diff options
Diffstat (limited to 'drivers/gpu/drm')
142 files changed, 5679 insertions, 1142 deletions
diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile index dd2ba426974..61d9e9c6bc1 100644 --- a/drivers/gpu/drm/Makefile +++ b/drivers/gpu/drm/Makefile @@ -20,11 +20,12 @@ drm-$(CONFIG_COMPAT) += drm_ioc32.o drm-$(CONFIG_DRM_GEM_CMA_HELPER) += drm_gem_cma_helper.o drm-$(CONFIG_PCI) += ati_pcigart.o drm-$(CONFIG_DRM_PANEL) += drm_panel.o +drm-$(CONFIG_OF) += drm_of.o drm-usb-y := drm_usb.o drm_kms_helper-y := drm_crtc_helper.o drm_dp_helper.o drm_probe_helper.o \ - drm_plane_helper.o + drm_plane_helper.o drm_dp_mst_topology.o drm_kms_helper-$(CONFIG_DRM_LOAD_EDID_FIRMWARE) += drm_edid_load.o drm_kms_helper-$(CONFIG_DRM_KMS_FB_HELPER) += drm_fb_helper.o drm_kms_helper-$(CONFIG_DRM_KMS_CMA_HELPER) += drm_fb_cma_helper.o diff --git a/drivers/gpu/drm/armada/armada_510.c b/drivers/gpu/drm/armada/armada_510.c index 59948eff609..ad3d2ebf95c 100644 --- a/drivers/gpu/drm/armada/armada_510.c +++ b/drivers/gpu/drm/armada/armada_510.c @@ -15,20 +15,19 @@ #include "armada_drm.h" #include "armada_hw.h" -static int armada510_init(struct armada_private *priv, struct device *dev) +static int armada510_crtc_init(struct armada_crtc *dcrtc, struct device *dev) { - priv->extclk[0] = devm_clk_get(dev, "ext_ref_clk_1"); + struct clk *clk; - if (IS_ERR(priv->extclk[0]) && PTR_ERR(priv->extclk[0]) == -ENOENT) - priv->extclk[0] = ERR_PTR(-EPROBE_DEFER); + clk = devm_clk_get(dev, "ext_ref_clk1"); + if (IS_ERR(clk)) + return PTR_ERR(clk) == -ENOENT ? -EPROBE_DEFER : PTR_ERR(clk); - return PTR_RET(priv->extclk[0]); -} + dcrtc->extclk[0] = clk; -static int armada510_crtc_init(struct armada_crtc *dcrtc) -{ /* Lower the watermark so to eliminate jitter at higher bandwidths */ armada_updatel(0x20, (1 << 11) | 0xff, dcrtc->base + LCD_CFG_RDREG4F); + return 0; } @@ -45,8 +44,7 @@ static int armada510_crtc_init(struct armada_crtc *dcrtc) static int armada510_crtc_compute_clock(struct armada_crtc *dcrtc, const struct drm_display_mode *mode, uint32_t *sclk) { - struct armada_private *priv = dcrtc->crtc.dev->dev_private; - struct clk *clk = priv->extclk[0]; + struct clk *clk = dcrtc->extclk[0]; int ret; if (dcrtc->num == 1) @@ -81,7 +79,6 @@ static int armada510_crtc_compute_clock(struct armada_crtc *dcrtc, const struct armada_variant armada510_ops = { .has_spu_adv_reg = true, .spu_adv_reg = ADV_HWC32ENABLE | ADV_HWC32ARGB | ADV_HWC32BLEND, - .init = armada510_init, - .crtc_init = armada510_crtc_init, - .crtc_compute_clock = armada510_crtc_compute_clock, + .init = armada510_crtc_init, + .compute_clock = armada510_crtc_compute_clock, }; diff --git a/drivers/gpu/drm/armada/armada_crtc.c b/drivers/gpu/drm/armada/armada_crtc.c index 81c34f949df..3f620e21e06 100644 --- a/drivers/gpu/drm/armada/armada_crtc.c +++ b/drivers/gpu/drm/armada/armada_crtc.c @@ -7,6 +7,9 @@ * published by the Free Software Foundation. */ #include <linux/clk.h> +#include <linux/component.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> #include <drm/drmP.h> #include <drm/drm_crtc_helper.h> #include "armada_crtc.h" @@ -332,24 +335,23 @@ static void armada_drm_crtc_commit(struct drm_crtc *crtc) static bool armada_drm_crtc_mode_fixup(struct drm_crtc *crtc, const struct drm_display_mode *mode, struct drm_display_mode *adj) { - struct armada_private *priv = crtc->dev->dev_private; struct armada_crtc *dcrtc = drm_to_armada_crtc(crtc); int ret; /* We can't do interlaced modes if we don't have the SPU_ADV_REG */ - if (!priv->variant->has_spu_adv_reg && + if (!dcrtc->variant->has_spu_adv_reg && adj->flags & DRM_MODE_FLAG_INTERLACE) return false; /* Check whether the display mode is possible */ - ret = priv->variant->crtc_compute_clock(dcrtc, adj, NULL); + ret = dcrtc->variant->compute_clock(dcrtc, adj, NULL); if (ret) return false; return true; } -void armada_drm_crtc_irq(struct armada_crtc *dcrtc, u32 stat) +static void armada_drm_crtc_irq(struct armada_crtc *dcrtc, u32 stat) { struct armada_vbl_event *e, *n; void __iomem *base = dcrtc->base; @@ -410,6 +412,27 @@ void armada_drm_crtc_irq(struct armada_crtc *dcrtc, u32 stat) } } +static irqreturn_t armada_drm_irq(int irq, void *arg) +{ + struct armada_crtc *dcrtc = arg; + u32 v, stat = readl_relaxed(dcrtc->base + LCD_SPU_IRQ_ISR); + + /* + * This is rediculous - rather than writing bits to clear, we + * have to set the actual status register value. This is racy. + */ + writel_relaxed(0, dcrtc->base + LCD_SPU_IRQ_ISR); + + /* Mask out those interrupts we haven't enabled */ + v = stat & dcrtc->irq_ena; + + if (v & (VSYNC_IRQ|GRA_FRAME_IRQ|DUMB_FRAMEDONE)) { + armada_drm_crtc_irq(dcrtc, stat); + return IRQ_HANDLED; + } + return IRQ_NONE; +} + /* These are locked by dev->vbl_lock */ void armada_drm_crtc_disable_irq(struct armada_crtc *dcrtc, u32 mask) { @@ -470,7 +493,6 @@ static int armada_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode, struct drm_display_mode *adj, int x, int y, struct drm_framebuffer *old_fb) { - struct armada_private *priv = crtc->dev->dev_private; struct armada_crtc *dcrtc = drm_to_armada_crtc(crtc); struct armada_regs regs[17]; uint32_t lm, rm, tm, bm, val, sclk; @@ -515,7 +537,7 @@ static int armada_drm_crtc_mode_set(struct drm_crtc *crtc, } /* Now compute the divider for real */ - priv->variant->crtc_compute_clock(dcrtc, adj, &sclk); + dcrtc->variant->compute_clock(dcrtc, adj, &sclk); /* Ensure graphic fifo is enabled */ armada_reg_queue_mod(regs, i, 0, CFG_PDWN64x66, LCD_SPU_SRAM_PARA1); @@ -537,7 +559,7 @@ static int armada_drm_crtc_mode_set(struct drm_crtc *crtc, dcrtc->v[1].spu_v_porch = tm << 16 | bm; val = adj->crtc_hsync_start; dcrtc->v[1].spu_adv_reg = val << 20 | val | ADV_VSYNCOFFEN | - priv->variant->spu_adv_reg; + dcrtc->variant->spu_adv_reg; if (interlaced) { /* Odd interlaced frame */ @@ -546,7 +568,7 @@ static int armada_drm_crtc_mode_set(struct drm_crtc *crtc, dcrtc->v[0].spu_v_porch = dcrtc->v[1].spu_v_porch + 1; val = adj->crtc_hsync_start - adj->crtc_htotal / 2; dcrtc->v[0].spu_adv_reg = val << 20 | val | ADV_VSYNCOFFEN | - priv->variant->spu_adv_reg; + dcrtc->variant->spu_adv_reg; } else { dcrtc->v[0] = dcrtc->v[1]; } @@ -561,7 +583,7 @@ static int armada_drm_crtc_mode_set(struct drm_crtc *crtc, armada_reg_queue_set(regs, i, dcrtc->v[0].spu_v_h_total, LCD_SPUT_V_H_TOTAL); - if (priv->variant->has_spu_adv_reg) { + if (dcrtc->variant->has_spu_adv_reg) { armada_reg_queue_mod(regs, i, dcrtc->v[0].spu_adv_reg, ADV_VSYNC_L_OFF | ADV_VSYNC_H_OFF | ADV_VSYNCOFFEN, LCD_SPU_ADV_REG); @@ -805,12 +827,11 @@ static int armada_drm_crtc_cursor_set(struct drm_crtc *crtc, { struct drm_device *dev = crtc->dev; struct armada_crtc *dcrtc = drm_to_armada_crtc(crtc); - struct armada_private *priv = crtc->dev->dev_private; struct armada_gem_object *obj = NULL; int ret; /* If no cursor support, replicate drm's return value */ - if (!priv->variant->has_spu_adv_reg) + if (!dcrtc->variant->has_spu_adv_reg) return -ENXIO; if (handle && w > 0 && h > 0) { @@ -858,11 +879,10 @@ static int armada_drm_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) { struct drm_device *dev = crtc->dev; struct armada_crtc *dcrtc = drm_to_armada_crtc(crtc); - struct armada_private *priv = crtc->dev->dev_private; int ret; /* If no cursor support, replicate drm's return value */ - if (!priv->variant->has_spu_adv_reg) + if (!dcrtc->variant->has_spu_adv_reg) return -EFAULT; mutex_lock(&dev->struct_mutex); @@ -888,6 +908,10 @@ static void armada_drm_crtc_destroy(struct drm_crtc *crtc) if (!IS_ERR(dcrtc->clk)) clk_disable_unprepare(dcrtc->clk); + writel_relaxed(0, dcrtc->base + LCD_SPU_IRQ_ENA); + + of_node_put(dcrtc->crtc.port); + kfree(dcrtc); } @@ -1027,19 +1051,20 @@ static int armada_drm_crtc_create_properties(struct drm_device *dev) return 0; } -int armada_drm_crtc_create(struct drm_device *dev, unsigned num, - struct resource *res) +int armada_drm_crtc_create(struct drm_device *drm, struct device *dev, + struct resource *res, int irq, const struct armada_variant *variant, + struct device_node *port) { - struct armada_private *priv = dev->dev_private; + struct armada_private *priv = drm->dev_private; struct armada_crtc *dcrtc; void __iomem *base; int ret; - ret = armada_drm_crtc_create_properties(dev); + ret = armada_drm_crtc_create_properties(drm); if (ret) return ret; - base = devm_request_and_ioremap(dev->dev, res); + base = devm_request_and_ioremap(dev, res); if (!base) { DRM_ERROR("failed to ioremap register\n"); return -ENOMEM; @@ -1051,8 +1076,12 @@ int armada_drm_crtc_create(struct drm_device *dev, unsigned num, return -ENOMEM; } + if (dev != drm->dev) + dev_set_drvdata(dev, dcrtc); + + dcrtc->variant = variant; dcrtc->base = base; - dcrtc->num = num; + dcrtc->num = drm->mode_config.num_crtc; dcrtc->clk = ERR_PTR(-EINVAL); dcrtc->csc_yuv_mode = CSC_AUTO; dcrtc->csc_rgb_mode = CSC_AUTO; @@ -1074,9 +1103,18 @@ int armada_drm_crtc_create(struct drm_device *dev, unsigned num, CFG_PDWN64x66, dcrtc->base + LCD_SPU_SRAM_PARA1); writel_relaxed(0x2032ff81, dcrtc->base + LCD_SPU_DMA_CTRL1); writel_relaxed(0x00000000, dcrtc->base + LCD_SPU_GRA_OVSA_HPXL_VLN); + writel_relaxed(dcrtc->irq_ena, dcrtc->base + LCD_SPU_IRQ_ENA); + writel_relaxed(0, dcrtc->base + LCD_SPU_IRQ_ISR); + + ret = devm_request_irq(dev, irq, armada_drm_irq, 0, "armada_drm_crtc", + dcrtc); + if (ret < 0) { + kfree(dcrtc); + return ret; + } - if (priv->variant->crtc_init) { - ret = priv->variant->crtc_init(dcrtc); + if (dcrtc->variant->init) { + ret = dcrtc->variant->init(dcrtc, dev); if (ret) { kfree(dcrtc); return ret; @@ -1088,7 +1126,8 @@ int armada_drm_crtc_create(struct drm_device *dev, unsigned num, priv->dcrtc[dcrtc->num] = dcrtc; - drm_crtc_init(dev, &dcrtc->crtc, &armada_crtc_funcs); + dcrtc->crtc.port = port; + drm_crtc_init(drm, &dcrtc->crtc, &armada_crtc_funcs); drm_crtc_helper_add(&dcrtc->crtc, &armada_crtc_helper_funcs); drm_object_attach_property(&dcrtc->crtc.base, priv->csc_yuv_prop, @@ -1096,5 +1135,107 @@ int armada_drm_crtc_create(struct drm_device *dev, unsigned num, drm_object_attach_property(&dcrtc->crtc.base, priv->csc_rgb_prop, dcrtc->csc_rgb_mode); - return armada_overlay_plane_create(dev, 1 << dcrtc->num); + return armada_overlay_plane_create(drm, 1 << dcrtc->num); +} + +static int +armada_lcd_bind(struct device *dev, struct device *master, void *data) +{ + struct platform_device *pdev = to_platform_device(dev); + struct drm_device *drm = data; + struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + int irq = platform_get_irq(pdev, 0); + const struct armada_variant *variant; + struct device_node *port = NULL; + + if (irq < 0) + return irq; + + if (!dev->of_node) { + const struct platform_device_id *id; + + id = platform_get_device_id(pdev); + if (!id) + return -ENXIO; + + variant = (const struct armada_variant *)id->driver_data; + } else { + const struct of_device_id *match; + struct device_node *np, *parent = dev->of_node; + + match = of_match_device(dev->driver->of_match_table, dev); + if (!match) + return -ENXIO; + + np = of_get_child_by_name(parent, "ports"); + if (np) + parent = np; + port = of_get_child_by_name(parent, "port"); + of_node_put(np); + if (!port) { + dev_err(dev, "no port node found in %s\n", + parent->full_name); + return -ENXIO; + } + + variant = match->data; + } + + return armada_drm_crtc_create(drm, dev, res, irq, variant, port); +} + +static void +armada_lcd_unbind(struct device *dev, struct device *master, void *data) +{ + struct armada_crtc *dcrtc = dev_get_drvdata(dev); + + armada_drm_crtc_destroy(&dcrtc->crtc); } + +static const struct component_ops armada_lcd_ops = { + .bind = armada_lcd_bind, + .unbind = armada_lcd_unbind, +}; + +static int armada_lcd_probe(struct platform_device *pdev) +{ + return component_add(&pdev->dev, &armada_lcd_ops); +} + +static int armada_lcd_remove(struct platform_device *pdev) +{ + component_del(&pdev->dev, &armada_lcd_ops); + return 0; +} + +static struct of_device_id armada_lcd_of_match[] = { + { + .compatible = "marvell,dove-lcd", + .data = &armada510_ops, + }, + {} +}; +MODULE_DEVICE_TABLE(of, armada_lcd_of_match); + +static const struct platform_device_id armada_lcd_platform_ids[] = { + { + .name = "armada-lcd", + .driver_data = (unsigned long)&armada510_ops, + }, { + .name = "armada-510-lcd", + .driver_data = (unsigned long)&armada510_ops, + }, + { }, +}; +MODULE_DEVICE_TABLE(platform, armada_lcd_platform_ids); + +struct platform_driver armada_lcd_platform_driver = { + .probe = armada_lcd_probe, + .remove = armada_lcd_remove, + .driver = { + .name = "armada-lcd", + .owner = THIS_MODULE, + .of_match_table = armada_lcd_of_match, + }, + .id_table = armada_lcd_platform_ids, +}; diff --git a/drivers/gpu/drm/armada/armada_crtc.h b/drivers/gpu/drm/armada/armada_crtc.h index 9c10a07e749..98102a5a9af 100644 --- a/drivers/gpu/drm/armada/armada_crtc.h +++ b/drivers/gpu/drm/armada/armada_crtc.h @@ -32,12 +32,15 @@ struct armada_regs { armada_reg_queue_mod(_r, _i, 0, 0, ~0) struct armada_frame_work; +struct armada_variant; struct armada_crtc { struct drm_crtc crtc; + const struct armada_variant *variant; unsigned num; void __iomem *base; struct clk *clk; + struct clk *extclk[2]; struct { uint32_t spu_v_h_total; uint32_t spu_v_porch; @@ -72,12 +75,16 @@ struct armada_crtc { }; #define drm_to_armada_crtc(c) container_of(c, struct armada_crtc, crtc) -int armada_drm_crtc_create(struct drm_device *, unsigned, struct resource *); +struct device_node; +int armada_drm_crtc_create(struct drm_device *, struct device *, + struct resource *, int, const struct armada_variant *, + struct device_node *); void armada_drm_crtc_gamma_set(struct drm_crtc *, u16, u16, u16, int); void armada_drm_crtc_gamma_get(struct drm_crtc *, u16 *, u16 *, u16 *, int); -void armada_drm_crtc_irq(struct armada_crtc *, u32); void armada_drm_crtc_disable_irq(struct armada_crtc *, u32); void armada_drm_crtc_enable_irq(struct armada_crtc *, u32); void armada_drm_crtc_update_regs(struct armada_crtc *, struct armada_regs *); +extern struct platform_driver armada_lcd_platform_driver; + #endif diff --git a/drivers/gpu/drm/armada/armada_drm.h b/drivers/gpu/drm/armada/armada_drm.h index a72cae03b99..ea63c6c7c66 100644 --- a/drivers/gpu/drm/armada/armada_drm.h +++ b/drivers/gpu/drm/armada/armada_drm.h @@ -59,26 +59,23 @@ void armada_drm_vbl_event_remove_unlocked(struct armada_crtc *, struct armada_private; struct armada_variant { - bool has_spu_adv_reg; + bool has_spu_adv_reg; uint32_t spu_adv_reg; - int (*init)(struct armada_private *, struct device *); - int (*crtc_init)(struct armada_crtc *); - int (*crtc_compute_clock)(struct armada_crtc *, - const struct drm_display_mode *, - uint32_t *); + int (*init)(struct armada_crtc *, struct device *); + int (*compute_clock)(struct armada_crtc *, + const struct drm_display_mode *, + uint32_t *); }; /* Variant ops */ extern const struct armada_variant armada510_ops; struct armada_private { - const struct armada_variant *variant; struct work_struct fb_unref_work; DECLARE_KFIFO(fb_unref, struct drm_framebuffer *, 8); struct drm_fb_helper *fbdev; struct armada_crtc *dcrtc[2]; struct drm_mm linear; - struct clk *extclk[2]; struct drm_property *csc_yuv_prop; struct drm_property *csc_rgb_prop; struct drm_property *colorkey_prop; diff --git a/drivers/gpu/drm/armada/armada_drv.c b/drivers/gpu/drm/armada/armada_drv.c index 8ab3cd1a8cd..e2d5792b140 100644 --- a/drivers/gpu/drm/armada/armada_drv.c +++ b/drivers/gpu/drm/armada/armada_drv.c @@ -6,7 +6,9 @@ * published by the Free Software Foundation. */ #include <linux/clk.h> +#include <linux/component.h> #include <linux/module.h> +#include <linux/of_graph.h> #include <drm/drmP.h> #include <drm/drm_crtc_helper.h> #include "armada_crtc.h" @@ -52,6 +54,11 @@ static const struct armada_drm_slave_config tda19988_config = { }; #endif +static bool is_componentized(struct device *dev) +{ + return dev->of_node || dev->platform_data; +} + static void armada_drm_unref_work(struct work_struct *work) { struct armada_private *priv = @@ -85,6 +92,7 @@ void armada_drm_queue_unref_work(struct drm_device *dev, static int armada_drm_load(struct drm_device *dev, unsigned long flags) { const struct platform_device_id *id; + const struct armada_variant *variant; struct armada_private *priv; struct resource *res[ARRAY_SIZE(priv->dcrtc)]; struct resource *mem = NULL; @@ -107,7 +115,7 @@ static int armada_drm_load(struct drm_device *dev, unsigned long flags) return -EINVAL; } - if (!res[0] || !mem) + if (!mem) return -ENXIO; if (!devm_request_mem_region(dev->dev, mem->start, @@ -128,11 +136,7 @@ static int armada_drm_load(struct drm_device *dev, unsigned long flags) if (!id) return -ENXIO; - priv->variant = (struct armada_variant *)id->driver_data; - - ret = priv->variant->init(priv, dev->dev); - if (ret) - return ret; + variant = (const struct armada_variant *)id->driver_data; INIT_WORK(&priv->fb_unref_work, armada_drm_unref_work); INIT_KFIFO(priv->fb_unref); @@ -155,40 +159,50 @@ static int armada_drm_load(struct drm_device *dev, unsigned long flags) /* Create all LCD controllers */ for (n = 0; n < ARRAY_SIZE(priv->dcrtc); n++) { + int irq; + if (!res[n]) break; - ret = armada_drm_crtc_create(dev, n, res[n]); + irq = platform_get_irq(dev->platformdev, n); + if (irq < 0) + goto err_kms; + + ret = armada_drm_crtc_create(dev, dev->dev, res[n], irq, + variant, NULL); if (ret) goto err_kms; } + if (is_componentized(dev->dev)) { + ret = component_bind_all(dev->dev, dev); + if (ret) + goto err_kms; + } else { #ifdef CONFIG_DRM_ARMADA_TDA1998X - ret = armada_drm_connector_slave_create(dev, &tda19988_config); - if (ret) - goto err_kms; + ret = armada_drm_connector_slave_create(dev, &tda19988_config); + if (ret) + goto err_kms; #endif + } - ret = drm_vblank_init(dev, n); - if (ret) - goto err_kms; - - ret = drm_irq_install(dev, platform_get_irq(dev->platformdev, 0)); + ret = drm_vblank_init(dev, dev->mode_config.num_crtc); if (ret) - goto err_kms; + goto err_comp; dev->vblank_disable_allowed = 1; ret = armada_fbdev_init(dev); if (ret) - goto err_irq; + goto err_comp; drm_kms_helper_poll_init(dev); return 0; - err_irq: - drm_irq_uninstall(dev); + err_comp: + if (is_componentized(dev->dev)) + component_unbind_all(dev->dev, dev); err_kms: drm_mode_config_cleanup(dev); drm_mm_takedown(&priv->linear); @@ -203,7 +217,10 @@ static int armada_drm_unload(struct drm_device *dev) drm_kms_helper_poll_fini(dev); armada_fbdev_fini(dev); - drm_irq_uninstall(dev); + + if (is_componentized(dev->dev)) + component_unbind_all(dev->dev, dev); + drm_mode_config_cleanup(dev); drm_mm_takedown(&priv->linear); flush_work(&priv->fb_unref_work); @@ -259,52 +276,6 @@ static void armada_drm_disable_vblank(struct drm_device *dev, int crtc) armada_drm_crtc_disable_irq(priv->dcrtc[crtc], VSYNC_IRQ_ENA); } -static irqreturn_t armada_drm_irq_handler(int irq, void *arg) -{ - struct drm_device *dev = arg; - struct armada_private *priv = dev->dev_private; - struct armada_crtc *dcrtc = priv->dcrtc[0]; - uint32_t v, stat = readl_relaxed(dcrtc->base + LCD_SPU_IRQ_ISR); - irqreturn_t handled = IRQ_NONE; - - /* - * This is rediculous - rather than writing bits to clear, we - * have to set the actual status register value. This is racy. - */ - writel_relaxed(0, dcrtc->base + LCD_SPU_IRQ_ISR); - - /* Mask out those interrupts we haven't enabled */ - v = stat & dcrtc->irq_ena; - - if (v & (VSYNC_IRQ|GRA_FRAME_IRQ|DUMB_FRAMEDONE)) { - armada_drm_crtc_irq(dcrtc, stat); - handled = IRQ_HANDLED; - } - - return handled; -} - -static int armada_drm_irq_postinstall(struct drm_device *dev) -{ - struct armada_private *priv = dev->dev_private; - struct armada_crtc *dcrtc = priv->dcrtc[0]; - - spin_lock_irq(&dev->vbl_lock); - writel_relaxed(dcrtc->irq_ena, dcrtc->base + LCD_SPU_IRQ_ENA); - writel(0, dcrtc->base + LCD_SPU_IRQ_ISR); - spin_unlock_irq(&dev->vbl_lock); - - return 0; -} - -static void armada_drm_irq_uninstall(struct drm_device *dev) -{ - struct armada_private *priv = dev->dev_private; - struct armada_crtc *dcrtc = priv->dcrtc[0]; - - writel(0, dcrtc->base + LCD_SPU_IRQ_ENA); -} - static struct drm_ioctl_desc armada_ioctls[] = { DRM_IOCTL_DEF_DRV(ARMADA_GEM_CREATE, armada_gem_create_ioctl, DRM_UNLOCKED), @@ -340,9 +311,6 @@ static struct drm_driver armada_drm_driver = { .get_vblank_counter = drm_vblank_count, .enable_vblank = armada_drm_enable_vblank, .disable_vblank = armada_drm_disable_vblank, - .irq_handler = armada_drm_irq_handler, - .irq_postinstall = armada_drm_irq_postinstall, - .irq_uninstall = armada_drm_irq_uninstall, #ifdef CONFIG_DEBUG_FS .debugfs_init = armada_drm_debugfs_init, .debugfs_cleanup = armada_drm_debugfs_cleanup, @@ -362,19 +330,140 @@ static struct drm_driver armada_drm_driver = { .desc = "Armada SoC DRM", .date = "20120730", .driver_features = DRIVER_GEM | DRIVER_MODESET | - DRIVER_HAVE_IRQ | DRIVER_PRIME, + DRIVER_PRIME, .ioctls = armada_ioctls, .fops = &armada_drm_fops, }; +static int armada_drm_bind(struct device *dev) +{ + return drm_platform_init(&armada_drm_driver, to_platform_device(dev)); +} + +static void armada_drm_unbind(struct device *dev) +{ + drm_put_dev(dev_get_drvdata(dev)); +} + +static int compare_of(struct device *dev, void *data) +{ + return dev->of_node == data; +} + +static int compare_dev_name(struct device *dev, void *data) +{ + const char *name = data; + return !strcmp(dev_name(dev), name); +} + +static void armada_add_endpoints(struct device *dev, + struct component_match **match, struct device_node *port) +{ + struct device_node *ep, *remote; + + for_each_child_of_node(port, ep) { + remote = of_graph_get_remote_port_parent(ep); + if (!remote || !of_device_is_available(remote)) { + of_node_put(remote); + continue; + } else if (!of_device_is_available(remote->parent)) { + dev_warn(dev, "parent device of %s is not available\n", + remote->full_name); + of_node_put(remote); + continue; + } + + component_match_add(dev, match, compare_of, remote); + of_node_put(remote); + } +} + +static int armada_drm_find_components(struct device *dev, + struct component_match **match) +{ + struct device_node *port; + int i; + + if (dev->of_node) { + struct device_node *np = dev->of_node; + + for (i = 0; ; i++) { + port = of_parse_phandle(np, "ports", i); + if (!port) + break; + + component_match_add(dev, match, compare_of, port); + of_node_put(port); + } + + if (i == 0) { + dev_err(dev, "missing 'ports' property\n"); + return -ENODEV; + } + + for (i = 0; ; i++) { + port = of_parse_phandle(np, "ports", i); + if (!port) + break; + + armada_add_endpoints(dev, match, port); + of_node_put(port); + } + } else if (dev->platform_data) { + char **devices = dev->platform_data; + struct device *d; + + for (i = 0; devices[i]; i++) + component_match_add(dev, match, compare_dev_name, + devices[i]); + + if (i == 0) { + dev_err(dev, "missing 'ports' property\n"); + return -ENODEV; + } + + for (i = 0; devices[i]; i++) { + d = bus_find_device_by_name(&platform_bus_type, NULL, + devices[i]); + if (d && d->of_node) { + for_each_child_of_node(d->of_node, port) + armada_add_endpoints(dev, match, port); + } + put_device(d); + } + } + + return 0; +} + +static const struct component_master_ops armada_master_ops = { + .bind = armada_drm_bind, + .unbind = armada_drm_unbind, +}; + static int armada_drm_probe(struct platform_device *pdev) { - return drm_platform_init(&armada_drm_driver, pdev); + if (is_componentized(&pdev->dev)) { + struct component_match *match = NULL; + int ret; + + ret = armada_drm_find_components(&pdev->dev, &match); + if (ret < 0) + return ret; + + return component_master_add_with_match(&pdev->dev, + &armada_master_ops, match); + } else { + return drm_platform_init(&armada_drm_driver, pdev); + } } static int armada_drm_remove(struct platform_device *pdev) { - drm_put_dev(platform_get_drvdata(pdev)); + if (is_componentized(&pdev->dev)) + component_master_del(&pdev->dev, &armada_master_ops); + else + drm_put_dev(platform_get_drvdata(pdev)); return 0; } @@ -402,14 +491,24 @@ static struct platform_driver armada_drm_platform_driver = { static int __init armada_drm_init(void) { + int ret; + armada_drm_driver.num_ioctls = ARRAY_SIZE(armada_ioctls); - return platform_driver_register(&armada_drm_platform_driver); + + ret = platform_driver_register(&armada_lcd_platform_driver); + if (ret) + return ret; + ret = platform_driver_register(&armada_drm_platform_driver); + if (ret) + platform_driver_unregister(&armada_lcd_platform_driver); + return ret; } module_init(armada_drm_init); static void __exit armada_drm_exit(void) { platform_driver_unregister(&armada_drm_platform_driver); + platform_driver_unregister(&armada_lcd_platform_driver); } module_exit(armada_drm_exit); diff --git a/drivers/gpu/drm/armada/armada_fbdev.c b/drivers/gpu/drm/armada/armada_fbdev.c index fd166f532ab..7838e731b0d 100644 --- a/drivers/gpu/drm/armada/armada_fbdev.c +++ b/drivers/gpu/drm/armada/armada_fbdev.c @@ -131,7 +131,7 @@ static int armada_fb_probe(struct drm_fb_helper *fbh, return ret; } -static struct drm_fb_helper_funcs armada_fb_helper_funcs = { +static const struct drm_fb_helper_funcs armada_fb_helper_funcs = { .gamma_set = armada_drm_crtc_gamma_set, .gamma_get = armada_drm_crtc_gamma_get, .fb_probe = armada_fb_probe, @@ -149,7 +149,7 @@ int armada_fbdev_init(struct drm_device *dev) priv->fbdev = fbh; - fbh->funcs = &armada_fb_helper_funcs; + drm_fb_helper_prepare(dev, fbh, &armada_fb_helper_funcs); ret = drm_fb_helper_init(dev, fbh, 1, 1); if (ret) { diff --git a/drivers/gpu/drm/armada/armada_output.c b/drivers/gpu/drm/armada/armada_output.c index d685a542148..abbc309fe53 100644 --- a/drivers/gpu/drm/armada/armada_output.c +++ b/drivers/gpu/drm/armada/armada_output.c @@ -48,7 +48,7 @@ static void armada_drm_connector_destroy(struct drm_connector *conn) { struct armada_connector *dconn = drm_to_armada_conn(conn); - drm_sysfs_connector_remove(conn); + drm_connector_unregister(conn); drm_connector_cleanup(conn); kfree(dconn); } @@ -141,7 +141,7 @@ int armada_output_create(struct drm_device *dev, if (ret) goto err_conn; - ret = drm_sysfs_connector_add(&dconn->conn); + ret = drm_connector_register(&dconn->conn); if (ret) goto err_sysfs; diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h index 5d6a87573c3..957d4fabf1e 100644 --- a/drivers/gpu/drm/ast/ast_drv.h +++ b/drivers/gpu/drm/ast/ast_drv.h @@ -362,7 +362,7 @@ static inline int ast_bo_reserve(struct ast_bo *bo, bool no_wait) { int ret; - ret = ttm_bo_reserve(&bo->bo, true, no_wait, false, 0); + ret = ttm_bo_reserve(&bo->bo, true, no_wait, false, NULL); if (ret) { if (ret != -ERESTARTSYS && ret != -EBUSY) DRM_ERROR("reserve failed %p\n", bo); diff --git a/drivers/gpu/drm/ast/ast_fb.c b/drivers/gpu/drm/ast/ast_fb.c index a28640f47c2..cba45c77455 100644 --- a/drivers/gpu/drm/ast/ast_fb.c +++ b/drivers/gpu/drm/ast/ast_fb.c @@ -287,7 +287,7 @@ static void ast_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green, *blue = ast_crtc->lut_b[regno] << 8; } -static struct drm_fb_helper_funcs ast_fb_helper_funcs = { +static const struct drm_fb_helper_funcs ast_fb_helper_funcs = { .gamma_set = ast_fb_gamma_set, .gamma_get = ast_fb_gamma_get, .fb_probe = astfb_create, @@ -328,8 +328,10 @@ int ast_fbdev_init(struct drm_device *dev) return -ENOMEM; ast->fbdev = afbdev; - afbdev->helper.funcs = &ast_fb_helper_funcs; spin_lock_init(&afbdev->dirty_lock); + + drm_fb_helper_prepare(dev, &afbdev->helper, &ast_fb_helper_funcs); + ret = drm_fb_helper_init(dev, &afbdev->helper, 1, 1); if (ret) { diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c index 114aee941d4..5389350244f 100644 --- a/drivers/gpu/drm/ast/ast_mode.c +++ b/drivers/gpu/drm/ast/ast_mode.c @@ -667,17 +667,9 @@ static void ast_encoder_destroy(struct drm_encoder *encoder) static struct drm_encoder *ast_best_single_encoder(struct drm_connector *connector) { int enc_id = connector->encoder_ids[0]; - struct drm_mode_object *obj; - struct drm_encoder *encoder; - /* pick the encoder ids */ - if (enc_id) { - obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER); - if (!obj) - return NULL; - encoder = obj_to_encoder(obj); - return encoder; - } + if (enc_id) + return drm_encoder_find(connector->dev, enc_id); return NULL; } @@ -829,7 +821,7 @@ static void ast_connector_destroy(struct drm_connector *connector) { struct ast_connector *ast_connector = to_ast_connector(connector); ast_i2c_destroy(ast_connector->i2c); - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); kfree(connector); } @@ -871,7 +863,7 @@ static int ast_connector_init(struct drm_device *dev) connector->interlace_allowed = 0; connector->doublescan_allowed = 0; - drm_sysfs_connector_add(connector); + drm_connector_register(connector); connector->polled = DRM_CONNECTOR_POLL_CONNECT; diff --git a/drivers/gpu/drm/bochs/bochs_drv.c b/drivers/gpu/drm/bochs/bochs_drv.c index 9c13df29fd2..f5e0ead974a 100644 --- a/drivers/gpu/drm/bochs/bochs_drv.c +++ b/drivers/gpu/drm/bochs/bochs_drv.c @@ -97,6 +97,7 @@ static struct drm_driver bochs_driver = { /* ---------------------------------------------------------------------- */ /* pm interface */ +#ifdef CONFIG_PM_SLEEP static int bochs_pm_suspend(struct device *dev) { struct pci_dev *pdev = to_pci_dev(dev); @@ -131,6 +132,7 @@ static int bochs_pm_resume(struct device *dev) drm_kms_helper_poll_enable(drm_dev); return 0; } +#endif static const struct dev_pm_ops bochs_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(bochs_pm_suspend, diff --git a/drivers/gpu/drm/bochs/bochs_fbdev.c b/drivers/gpu/drm/bochs/bochs_fbdev.c index 561b8447412..fe95d31cd11 100644 --- a/drivers/gpu/drm/bochs/bochs_fbdev.c +++ b/drivers/gpu/drm/bochs/bochs_fbdev.c @@ -72,7 +72,7 @@ static int bochsfb_create(struct drm_fb_helper *helper, bo = gem_to_bochs_bo(gobj); - ret = ttm_bo_reserve(&bo->bo, true, false, false, 0); + ret = ttm_bo_reserve(&bo->bo, true, false, false, NULL); if (ret) return ret; @@ -179,7 +179,7 @@ void bochs_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green, *blue = regno; } -static struct drm_fb_helper_funcs bochs_fb_helper_funcs = { +static const struct drm_fb_helper_funcs bochs_fb_helper_funcs = { .gamma_set = bochs_fb_gamma_set, .gamma_get = bochs_fb_gamma_get, .fb_probe = bochsfb_create, @@ -189,7 +189,8 @@ int bochs_fbdev_init(struct bochs_device *bochs) { int ret; - bochs->fb.helper.funcs = &bochs_fb_helper_funcs; + drm_fb_helper_prepare(bochs->dev, &bochs->fb.helper, + &bochs_fb_helper_funcs); ret = drm_fb_helper_init(bochs->dev, &bochs->fb.helper, 1, 1); diff --git a/drivers/gpu/drm/bochs/bochs_kms.c b/drivers/gpu/drm/bochs/bochs_kms.c index dcf2e55f4ae..9d7346b9265 100644 --- a/drivers/gpu/drm/bochs/bochs_kms.c +++ b/drivers/gpu/drm/bochs/bochs_kms.c @@ -53,7 +53,7 @@ static int bochs_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, if (old_fb) { bochs_fb = to_bochs_framebuffer(old_fb); bo = gem_to_bochs_bo(bochs_fb->obj); - ret = ttm_bo_reserve(&bo->bo, true, false, false, 0); + ret = ttm_bo_reserve(&bo->bo, true, false, false, NULL); if (ret) { DRM_ERROR("failed to reserve old_fb bo\n"); } else { @@ -67,7 +67,7 @@ static int bochs_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, bochs_fb = to_bochs_framebuffer(crtc->primary->fb); bo = gem_to_bochs_bo(bochs_fb->obj); - ret = ttm_bo_reserve(&bo->bo, true, false, false, 0); + ret = ttm_bo_reserve(&bo->bo, true, false, false, NULL); if (ret) return ret; @@ -216,18 +216,9 @@ static struct drm_encoder * bochs_connector_best_encoder(struct drm_connector *connector) { int enc_id = connector->encoder_ids[0]; - struct drm_mode_object *obj; - struct drm_encoder *encoder; - /* pick the encoder ids */ - if (enc_id) { - obj = drm_mode_object_find(connector->dev, enc_id, - DRM_MODE_OBJECT_ENCODER); - if (!obj) - return NULL; - encoder = obj_to_encoder(obj); - return encoder; - } + if (enc_id) + return drm_encoder_find(connector->dev, enc_id); return NULL; } diff --git a/drivers/gpu/drm/bochs/bochs_mm.c b/drivers/gpu/drm/bochs/bochs_mm.c index b9a695d9279..1728a1b0b81 100644 --- a/drivers/gpu/drm/bochs/bochs_mm.c +++ b/drivers/gpu/drm/bochs/bochs_mm.c @@ -387,7 +387,7 @@ int bochs_gem_create(struct drm_device *dev, u32 size, bool iskernel, *obj = NULL; - size = ALIGN(size, PAGE_SIZE); + size = PAGE_ALIGN(size); if (size == 0) return -EINVAL; diff --git a/drivers/gpu/drm/bridge/ptn3460.c b/drivers/gpu/drm/bridge/ptn3460.c index 98fd17ae491..d466696ed5e 100644 --- a/drivers/gpu/drm/bridge/ptn3460.c +++ b/drivers/gpu/drm/bridge/ptn3460.c @@ -328,7 +328,7 @@ int ptn3460_init(struct drm_device *dev, struct drm_encoder *encoder, } drm_connector_helper_add(&ptn_bridge->connector, &ptn3460_connector_helper_funcs); - drm_sysfs_connector_add(&ptn_bridge->connector); + drm_connector_register(&ptn_bridge->connector); drm_mode_connector_attach_encoder(&ptn_bridge->connector, encoder); return 0; diff --git a/drivers/gpu/drm/cirrus/cirrus_drv.c b/drivers/gpu/drm/cirrus/cirrus_drv.c index 08ce520f61a..4516b052cc6 100644 --- a/drivers/gpu/drm/cirrus/cirrus_drv.c +++ b/drivers/gpu/drm/cirrus/cirrus_drv.c @@ -76,6 +76,7 @@ static void cirrus_pci_remove(struct pci_dev *pdev) drm_put_dev(dev); } +#ifdef CONFIG_PM_SLEEP static int cirrus_pm_suspend(struct device *dev) { struct pci_dev *pdev = to_pci_dev(dev); @@ -110,6 +111,7 @@ static int cirrus_pm_resume(struct device *dev) drm_kms_helper_poll_enable(drm_dev); return 0; } +#endif static const struct file_operations cirrus_driver_fops = { .owner = THIS_MODULE, diff --git a/drivers/gpu/drm/cirrus/cirrus_drv.h b/drivers/gpu/drm/cirrus/cirrus_drv.h index 117d3eca5e3..401c890b6c6 100644 --- a/drivers/gpu/drm/cirrus/cirrus_drv.h +++ b/drivers/gpu/drm/cirrus/cirrus_drv.h @@ -241,7 +241,7 @@ static inline int cirrus_bo_reserve(struct cirrus_bo *bo, bool no_wait) { int ret; - ret = ttm_bo_reserve(&bo->bo, true, no_wait, false, 0); + ret = ttm_bo_reserve(&bo->bo, true, no_wait, false, NULL); if (ret) { if (ret != -ERESTARTSYS && ret != -EBUSY) DRM_ERROR("reserve failed %p\n", bo); diff --git a/drivers/gpu/drm/cirrus/cirrus_fbdev.c b/drivers/gpu/drm/cirrus/cirrus_fbdev.c index 32bbba0a787..2a135f253e2 100644 --- a/drivers/gpu/drm/cirrus/cirrus_fbdev.c +++ b/drivers/gpu/drm/cirrus/cirrus_fbdev.c @@ -288,7 +288,7 @@ static int cirrus_fbdev_destroy(struct drm_device *dev, return 0; } -static struct drm_fb_helper_funcs cirrus_fb_helper_funcs = { +static const struct drm_fb_helper_funcs cirrus_fb_helper_funcs = { .gamma_set = cirrus_crtc_fb_gamma_set, .gamma_get = cirrus_crtc_fb_gamma_get, .fb_probe = cirrusfb_create, @@ -306,9 +306,11 @@ int cirrus_fbdev_init(struct cirrus_device *cdev) return -ENOMEM; cdev->mode_info.gfbdev = gfbdev; - gfbdev->helper.funcs = &cirrus_fb_helper_funcs; spin_lock_init(&gfbdev->dirty_lock); + drm_fb_helper_prepare(cdev->dev, &gfbdev->helper, + &cirrus_fb_helper_funcs); + ret = drm_fb_helper_init(cdev->dev, &gfbdev->helper, cdev->num_crtc, CIRRUSFB_CONN_LIMIT); if (ret) { diff --git a/drivers/gpu/drm/cirrus/cirrus_mode.c b/drivers/gpu/drm/cirrus/cirrus_mode.c index 49332c5fe35..e1c5c322212 100644 --- a/drivers/gpu/drm/cirrus/cirrus_mode.c +++ b/drivers/gpu/drm/cirrus/cirrus_mode.c @@ -509,19 +509,9 @@ static struct drm_encoder *cirrus_connector_best_encoder(struct drm_connector *connector) { int enc_id = connector->encoder_ids[0]; - struct drm_mode_object *obj; - struct drm_encoder *encoder; - /* pick the encoder ids */ - if (enc_id) { - obj = - drm_mode_object_find(connector->dev, enc_id, - DRM_MODE_OBJECT_ENCODER); - if (!obj) - return NULL; - encoder = obj_to_encoder(obj); - return encoder; - } + if (enc_id) + return drm_encoder_find(connector->dev, enc_id); return NULL; } diff --git a/drivers/gpu/drm/drm_buffer.c b/drivers/gpu/drm/drm_buffer.c index 0406110f83e..86a4a4a60af 100644 --- a/drivers/gpu/drm/drm_buffer.c +++ b/drivers/gpu/drm/drm_buffer.c @@ -80,11 +80,7 @@ int drm_buffer_alloc(struct drm_buffer **buf, int size) error_out: - /* Only last element can be null pointer so check for it first. */ - if ((*buf)->data[idx]) - kfree((*buf)->data[idx]); - - for (--idx; idx >= 0; --idx) + for (; idx >= 0; --idx) kfree((*buf)->data[idx]); kfree(*buf); diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index f0a77774790..901b81246b1 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -894,6 +894,8 @@ int drm_connector_init(struct drm_device *dev, drm_object_attach_property(&connector->base, dev->mode_config.dpms_property, 0); + connector->debugfs_entry = NULL; + out_put: if (ret) drm_mode_object_put(dev, &connector->base); @@ -934,6 +936,47 @@ void drm_connector_cleanup(struct drm_connector *connector) EXPORT_SYMBOL(drm_connector_cleanup); /** + * drm_connector_register - register a connector + * @connector: the connector to register + * + * Register userspace interfaces for a connector + * + * Returns: + * Zero on success, error code on failure. + */ +int drm_connector_register(struct drm_connector *connector) +{ + int ret; + + ret = drm_sysfs_connector_add(connector); + if (ret) + return ret; + + ret = drm_debugfs_connector_add(connector); + if (ret) { + drm_sysfs_connector_remove(connector); + return ret; + } + + return 0; +} +EXPORT_SYMBOL(drm_connector_register); + +/** + * drm_connector_unregister - unregister a connector + * @connector: the connector to unregister + * + * Unregister userspace interfaces for a connector + */ +void drm_connector_unregister(struct drm_connector *connector) +{ + drm_sysfs_connector_remove(connector); + drm_debugfs_connector_remove(connector); +} +EXPORT_SYMBOL(drm_connector_unregister); + + +/** * drm_connector_unplug_all - unregister connector userspace interfaces * @dev: drm device * @@ -947,7 +990,7 @@ void drm_connector_unplug_all(struct drm_device *dev) /* taking the mode config mutex ends up in a clash with sysfs */ list_for_each_entry(connector, &dev->mode_config.connector_list, head) - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); } EXPORT_SYMBOL(drm_connector_unplug_all); @@ -1227,6 +1270,7 @@ static int drm_mode_create_standard_connector_properties(struct drm_device *dev) { struct drm_property *edid; struct drm_property *dpms; + struct drm_property *dev_path; /* * Standard properties (apply to all connectors) @@ -1241,6 +1285,12 @@ static int drm_mode_create_standard_connector_properties(struct drm_device *dev) ARRAY_SIZE(drm_dpms_enum_list)); dev->mode_config.dpms_property = dpms; + dev_path = drm_property_create(dev, + DRM_MODE_PROP_BLOB | + DRM_MODE_PROP_IMMUTABLE, + "PATH", 0); + dev->mode_config.path_property = dev_path; + return 0; } @@ -1510,6 +1560,15 @@ int drm_mode_group_init_legacy_group(struct drm_device *dev, } EXPORT_SYMBOL(drm_mode_group_init_legacy_group); +void drm_reinit_primary_mode_group(struct drm_device *dev) +{ + drm_modeset_lock_all(dev); + drm_mode_group_destroy(&dev->primary->mode_group); + drm_mode_group_init_legacy_group(dev, &dev->primary->mode_group); + drm_modeset_unlock_all(dev); +} +EXPORT_SYMBOL(drm_reinit_primary_mode_group); + /** * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo * @out: drm_mode_modeinfo struct to return to the user @@ -3362,7 +3421,7 @@ fail: EXPORT_SYMBOL(drm_property_create); /** - * drm_property_create - create a new enumeration property type + * drm_property_create_enum - create a new enumeration property type * @dev: drm device * @flags: flags specifying the property type * @name: name of the property @@ -3408,7 +3467,7 @@ struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, EXPORT_SYMBOL(drm_property_create_enum); /** - * drm_property_create - create a new bitmask property type + * drm_property_create_bitmask - create a new bitmask property type * @dev: drm device * @flags: flags specifying the property type * @name: name of the property @@ -3479,7 +3538,7 @@ static struct drm_property *property_create_range(struct drm_device *dev, } /** - * drm_property_create - create a new ranged property type + * drm_property_create_range - create a new ranged property type * @dev: drm device * @flags: flags specifying the property type * @name: name of the property @@ -3898,6 +3957,25 @@ done: return ret; } +int drm_mode_connector_set_path_property(struct drm_connector *connector, + char *path) +{ + struct drm_device *dev = connector->dev; + int ret, size; + size = strlen(path) + 1; + + connector->path_blob_ptr = drm_property_create_blob(connector->dev, + size, path); + if (!connector->path_blob_ptr) + return -EINVAL; + + ret = drm_object_property_set_value(&connector->base, + dev->mode_config.path_property, + connector->path_blob_ptr->base.id); + return ret; +} +EXPORT_SYMBOL(drm_mode_connector_set_path_property); + /** * drm_mode_connector_update_edid_property - update the edid property of a connector * @connector: drm connector @@ -3915,6 +3993,10 @@ int drm_mode_connector_update_edid_property(struct drm_connector *connector, struct drm_device *dev = connector->dev; int ret, size; + /* ignore requests to set edid when overridden */ + if (connector->override_edid) + return 0; + if (connector->edid_blob_ptr) drm_property_destroy_blob(dev, connector->edid_blob_ptr); diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c index 78b37f3febd..6c65a0a28fb 100644 --- a/drivers/gpu/drm/drm_crtc_helper.c +++ b/drivers/gpu/drm/drm_crtc_helper.c @@ -818,6 +818,7 @@ void drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb, drm_fb_get_bpp_depth(mode_cmd->pixel_format, &fb->depth, &fb->bits_per_pixel); fb->pixel_format = mode_cmd->pixel_format; + fb->flags = mode_cmd->flags; } EXPORT_SYMBOL(drm_helper_mode_fill_fb_struct); diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c index b4b51d46f33..13bd42923dd 100644 --- a/drivers/gpu/drm/drm_debugfs.c +++ b/drivers/gpu/drm/drm_debugfs.c @@ -35,6 +35,7 @@ #include <linux/slab.h> #include <linux/export.h> #include <drm/drmP.h> +#include <drm/drm_edid.h> #if defined(CONFIG_DEBUG_FS) @@ -237,5 +238,186 @@ int drm_debugfs_cleanup(struct drm_minor *minor) return 0; } +static int connector_show(struct seq_file *m, void *data) +{ + struct drm_connector *connector = m->private; + const char *status; + + switch (connector->force) { + case DRM_FORCE_ON: + status = "on\n"; + break; + + case DRM_FORCE_ON_DIGITAL: + status = "digital\n"; + break; + + case DRM_FORCE_OFF: + status = "off\n"; + break; + + case DRM_FORCE_UNSPECIFIED: + status = "unspecified\n"; + break; + + default: + return 0; + } + + seq_puts(m, status); + + return 0; +} + +static int connector_open(struct inode *inode, struct file *file) +{ + struct drm_connector *dev = inode->i_private; + + return single_open(file, connector_show, dev); +} + +static ssize_t connector_write(struct file *file, const char __user *ubuf, + size_t len, loff_t *offp) +{ + struct seq_file *m = file->private_data; + struct drm_connector *connector = m->private; + char buf[12]; + + if (len > sizeof(buf) - 1) + return -EINVAL; + + if (copy_from_user(buf, ubuf, len)) + return -EFAULT; + + buf[len] = '\0'; + + if (!strcmp(buf, "on")) + connector->force = DRM_FORCE_ON; + else if (!strcmp(buf, "digital")) + connector->force = DRM_FORCE_ON_DIGITAL; + else if (!strcmp(buf, "off")) + connector->force = DRM_FORCE_OFF; + else if (!strcmp(buf, "unspecified")) + connector->force = DRM_FORCE_UNSPECIFIED; + else + return -EINVAL; + + return len; +} + +static int edid_show(struct seq_file *m, void *data) +{ + struct drm_connector *connector = m->private; + struct drm_property_blob *edid = connector->edid_blob_ptr; + + if (connector->override_edid && edid) + seq_write(m, edid->data, edid->length); + + return 0; +} + +static int edid_open(struct inode *inode, struct file *file) +{ + struct drm_connector *dev = inode->i_private; + + return single_open(file, edid_show, dev); +} + +static ssize_t edid_write(struct file *file, const char __user *ubuf, + size_t len, loff_t *offp) +{ + struct seq_file *m = file->private_data; + struct drm_connector *connector = m->private; + char *buf; + struct edid *edid; + int ret; + + buf = memdup_user(ubuf, len); + if (IS_ERR(buf)) + return PTR_ERR(buf); + + edid = (struct edid *) buf; + + if (len == 5 && !strncmp(buf, "reset", 5)) { + connector->override_edid = false; + ret = drm_mode_connector_update_edid_property(connector, NULL); + } else if (len < EDID_LENGTH || + EDID_LENGTH * (1 + edid->extensions) > len) + ret = -EINVAL; + else { + connector->override_edid = false; + ret = drm_mode_connector_update_edid_property(connector, edid); + if (!ret) + connector->override_edid = true; + } + + kfree(buf); + + return (ret) ? ret : len; +} + +static const struct file_operations drm_edid_fops = { + .owner = THIS_MODULE, + .open = edid_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = edid_write +}; + + +static const struct file_operations drm_connector_fops = { + .owner = THIS_MODULE, + .open = connector_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = connector_write +}; + +int drm_debugfs_connector_add(struct drm_connector *connector) +{ + struct drm_minor *minor = connector->dev->primary; + struct dentry *root, *ent; + + if (!minor->debugfs_root) + return -1; + + root = debugfs_create_dir(connector->name, minor->debugfs_root); + if (!root) + return -ENOMEM; + + connector->debugfs_entry = root; + + /* force */ + ent = debugfs_create_file("force", S_IRUGO | S_IWUSR, root, connector, + &drm_connector_fops); + if (!ent) + goto error; + + /* edid */ + ent = debugfs_create_file("edid_override", S_IRUGO | S_IWUSR, root, + connector, &drm_edid_fops); + if (!ent) + goto error; + + return 0; + +error: + debugfs_remove_recursive(connector->debugfs_entry); + connector->debugfs_entry = NULL; + return -ENOMEM; +} + +void drm_debugfs_connector_remove(struct drm_connector *connector) +{ + if (!connector->debugfs_entry) + return; + + debugfs_remove_recursive(connector->debugfs_entry); + + connector->debugfs_entry = NULL; +} + #endif /* CONFIG_DEBUG_FS */ diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c new file mode 100644 index 00000000000..ac3c2738db9 --- /dev/null +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -0,0 +1,2715 @@ +/* + * Copyright © 2014 Red Hat + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that copyright + * notice and this permission notice appear in supporting documentation, and + * that the name of the copyright holders not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. The copyright holders make no representations + * about the suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THIS SOFTWARE. + */ + +#include <linux/kernel.h> +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/errno.h> +#include <linux/sched.h> +#include <linux/seq_file.h> +#include <linux/i2c.h> +#include <drm/drm_dp_mst_helper.h> +#include <drm/drmP.h> + +#include <drm/drm_fixed.h> + +/** + * DOC: dp mst helper + * + * These functions contain parts of the DisplayPort 1.2a MultiStream Transport + * protocol. The helpers contain a topology manager and bandwidth manager. + * The helpers encapsulate the sending and received of sideband msgs. + */ +static bool dump_dp_payload_table(struct drm_dp_mst_topology_mgr *mgr, + char *buf); +static int test_calc_pbn_mode(void); + +static void drm_dp_put_port(struct drm_dp_mst_port *port); + +static int drm_dp_dpcd_write_payload(struct drm_dp_mst_topology_mgr *mgr, + int id, + struct drm_dp_payload *payload); + +static int drm_dp_send_dpcd_write(struct drm_dp_mst_topology_mgr *mgr, + struct drm_dp_mst_port *port, + int offset, int size, u8 *bytes); + +static int drm_dp_send_link_address(struct drm_dp_mst_topology_mgr *mgr, + struct drm_dp_mst_branch *mstb); +static int drm_dp_send_enum_path_resources(struct drm_dp_mst_topology_mgr *mgr, + struct drm_dp_mst_branch *mstb, + struct drm_dp_mst_port *port); +static bool drm_dp_validate_guid(struct drm_dp_mst_topology_mgr *mgr, + u8 *guid); + +static int drm_dp_mst_register_i2c_bus(struct drm_dp_aux *aux); +static void drm_dp_mst_unregister_i2c_bus(struct drm_dp_aux *aux); +static void drm_dp_mst_kick_tx(struct drm_dp_mst_topology_mgr *mgr); +/* sideband msg handling */ +static u8 drm_dp_msg_header_crc4(const uint8_t *data, size_t num_nibbles) +{ + u8 bitmask = 0x80; + u8 bitshift = 7; + u8 array_index = 0; + int number_of_bits = num_nibbles * 4; + u8 remainder = 0; + + while (number_of_bits != 0) { + number_of_bits--; + remainder <<= 1; + remainder |= (data[array_index] & bitmask) >> bitshift; + bitmask >>= 1; + bitshift--; + if (bitmask == 0) { + bitmask = 0x80; + bitshift = 7; + array_index++; + } + if ((remainder & 0x10) == 0x10) + remainder ^= 0x13; + } + + number_of_bits = 4; + while (number_of_bits != 0) { + number_of_bits--; + remainder <<= 1; + if ((remainder & 0x10) != 0) + remainder ^= 0x13; + } + + return remainder; +} + +static u8 drm_dp_msg_data_crc4(const uint8_t *data, u8 number_of_bytes) +{ + u8 bitmask = 0x80; + u8 bitshift = 7; + u8 array_index = 0; + int number_of_bits = number_of_bytes * 8; + u16 remainder = 0; + + while (number_of_bits != 0) { + number_of_bits--; + remainder <<= 1; + remainder |= (data[array_index] & bitmask) >> bitshift; + bitmask >>= 1; + bitshift--; + if (bitmask == 0) { + bitmask = 0x80; + bitshift = 7; + array_index++; + } + if ((remainder & 0x100) == 0x100) + remainder ^= 0xd5; + } + + number_of_bits = 8; + while (number_of_bits != 0) { + number_of_bits--; + remainder <<= 1; + if ((remainder & 0x100) != 0) + remainder ^= 0xd5; + } + + return remainder & 0xff; +} +static inline u8 drm_dp_calc_sb_hdr_size(struct drm_dp_sideband_msg_hdr *hdr) +{ + u8 size = 3; + size += (hdr->lct / 2); + return size; +} + +static void drm_dp_encode_sideband_msg_hdr(struct drm_dp_sideband_msg_hdr *hdr, + u8 *buf, int *len) +{ + int idx = 0; + int i; + u8 crc4; + buf[idx++] = ((hdr->lct & 0xf) << 4) | (hdr->lcr & 0xf); + for (i = 0; i < (hdr->lct / 2); i++) + buf[idx++] = hdr->rad[i]; + buf[idx++] = (hdr->broadcast << 7) | (hdr->path_msg << 6) | + (hdr->msg_len & 0x3f); + buf[idx++] = (hdr->somt << 7) | (hdr->eomt << 6) | (hdr->seqno << 4); + + crc4 = drm_dp_msg_header_crc4(buf, (idx * 2) - 1); + buf[idx - 1] |= (crc4 & 0xf); + + *len = idx; +} + +static bool drm_dp_decode_sideband_msg_hdr(struct drm_dp_sideband_msg_hdr *hdr, + u8 *buf, int buflen, u8 *hdrlen) +{ + u8 crc4; + u8 len; + int i; + u8 idx; + if (buf[0] == 0) + return false; + len = 3; + len += ((buf[0] & 0xf0) >> 4) / 2; + if (len > buflen) + return false; + crc4 = drm_dp_msg_header_crc4(buf, (len * 2) - 1); + + if ((crc4 & 0xf) != (buf[len - 1] & 0xf)) { + DRM_DEBUG_KMS("crc4 mismatch 0x%x 0x%x\n", crc4, buf[len - 1]); + return false; + } + + hdr->lct = (buf[0] & 0xf0) >> 4; + hdr->lcr = (buf[0] & 0xf); + idx = 1; + for (i = 0; i < (hdr->lct / 2); i++) + hdr->rad[i] = buf[idx++]; + hdr->broadcast = (buf[idx] >> 7) & 0x1; + hdr->path_msg = (buf[idx] >> 6) & 0x1; + hdr->msg_len = buf[idx] & 0x3f; + idx++; + hdr->somt = (buf[idx] >> 7) & 0x1; + hdr->eomt = (buf[idx] >> 6) & 0x1; + hdr->seqno = (buf[idx] >> 4) & 0x1; + idx++; + *hdrlen = idx; + return true; +} + +static void drm_dp_encode_sideband_req(struct drm_dp_sideband_msg_req_body *req, + struct drm_dp_sideband_msg_tx *raw) +{ + int idx = 0; + int i; + u8 *buf = raw->msg; + buf[idx++] = req->req_type & 0x7f; + + switch (req->req_type) { + case DP_ENUM_PATH_RESOURCES: + buf[idx] = (req->u.port_num.port_number & 0xf) << 4; + idx++; + break; + case DP_ALLOCATE_PAYLOAD: + buf[idx] = (req->u.allocate_payload.port_number & 0xf) << 4 | + (req->u.allocate_payload.number_sdp_streams & 0xf); + idx++; + buf[idx] = (req->u.allocate_payload.vcpi & 0x7f); + idx++; + buf[idx] = (req->u.allocate_payload.pbn >> 8); + idx++; + buf[idx] = (req->u.allocate_payload.pbn & 0xff); + idx++; + for (i = 0; i < req->u.allocate_payload.number_sdp_streams / 2; i++) { + buf[idx] = ((req->u.allocate_payload.sdp_stream_sink[i * 2] & 0xf) << 4) | + (req->u.allocate_payload.sdp_stream_sink[i * 2 + 1] & 0xf); + idx++; + } + if (req->u.allocate_payload.number_sdp_streams & 1) { + i = req->u.allocate_payload.number_sdp_streams - 1; + buf[idx] = (req->u.allocate_payload.sdp_stream_sink[i] & 0xf) << 4; + idx++; + } + break; + case DP_QUERY_PAYLOAD: + buf[idx] = (req->u.query_payload.port_number & 0xf) << 4; + idx++; + buf[idx] = (req->u.query_payload.vcpi & 0x7f); + idx++; + break; + case DP_REMOTE_DPCD_READ: + buf[idx] = (req->u.dpcd_read.port_number & 0xf) << 4; + buf[idx] |= ((req->u.dpcd_read.dpcd_address & 0xf0000) >> 16) & 0xf; + idx++; + buf[idx] = (req->u.dpcd_read.dpcd_address & 0xff00) >> 8; + idx++; + buf[idx] = (req->u.dpcd_read.dpcd_address & 0xff); + idx++; + buf[idx] = (req->u.dpcd_read.num_bytes); + idx++; + break; + + case DP_REMOTE_DPCD_WRITE: + buf[idx] = (req->u.dpcd_write.port_number & 0xf) << 4; + buf[idx] |= ((req->u.dpcd_write.dpcd_address & 0xf0000) >> 16) & 0xf; + idx++; + buf[idx] = (req->u.dpcd_write.dpcd_address & 0xff00) >> 8; + idx++; + buf[idx] = (req->u.dpcd_write.dpcd_address & 0xff); + idx++; + buf[idx] = (req->u.dpcd_write.num_bytes); + idx++; + memcpy(&buf[idx], req->u.dpcd_write.bytes, req->u.dpcd_write.num_bytes); + idx += req->u.dpcd_write.num_bytes; + break; + case DP_REMOTE_I2C_READ: + buf[idx] = (req->u.i2c_read.port_number & 0xf) << 4; + buf[idx] |= (req->u.i2c_read.num_transactions & 0x3); + idx++; + for (i = 0; i < (req->u.i2c_read.num_transactions & 0x3); i++) { + buf[idx] = req->u.i2c_read.transactions[i].i2c_dev_id & 0x7f; + idx++; + buf[idx] = req->u.i2c_read.transactions[i].num_bytes; + idx++; + memcpy(&buf[idx], req->u.i2c_read.transactions[i].bytes, req->u.i2c_read.transactions[i].num_bytes); + idx += req->u.i2c_read.transactions[i].num_bytes; + + buf[idx] = (req->u.i2c_read.transactions[i].no_stop_bit & 0x1) << 5; + buf[idx] |= (req->u.i2c_read.transactions[i].i2c_transaction_delay & 0xf); + idx++; + } + buf[idx] = (req->u.i2c_read.read_i2c_device_id) & 0x7f; + idx++; + buf[idx] = (req->u.i2c_read.num_bytes_read); + idx++; + break; + + case DP_REMOTE_I2C_WRITE: + buf[idx] = (req->u.i2c_write.port_number & 0xf) << 4; + idx++; + buf[idx] = (req->u.i2c_write.write_i2c_device_id) & 0x7f; + idx++; + buf[idx] = (req->u.i2c_write.num_bytes); + idx++; + memcpy(&buf[idx], req->u.i2c_write.bytes, req->u.i2c_write.num_bytes); + idx += req->u.i2c_write.num_bytes; + break; + } + raw->cur_len = idx; +} + +static void drm_dp_crc_sideband_chunk_req(u8 *msg, u8 len) +{ + u8 crc4; + crc4 = drm_dp_msg_data_crc4(msg, len); + msg[len] = crc4; +} + +static void drm_dp_encode_sideband_reply(struct drm_dp_sideband_msg_reply_body *rep, + struct drm_dp_sideband_msg_tx *raw) +{ + int idx = 0; + u8 *buf = raw->msg; + + buf[idx++] = (rep->reply_type & 0x1) << 7 | (rep->req_type & 0x7f); + + raw->cur_len = idx; +} + +/* this adds a chunk of msg to the builder to get the final msg */ +static bool drm_dp_sideband_msg_build(struct drm_dp_sideband_msg_rx *msg, + u8 *replybuf, u8 replybuflen, bool hdr) +{ + int ret; + u8 crc4; + + if (hdr) { + u8 hdrlen; + struct drm_dp_sideband_msg_hdr recv_hdr; + ret = drm_dp_decode_sideband_msg_hdr(&recv_hdr, replybuf, replybuflen, &hdrlen); + if (ret == false) { + print_hex_dump(KERN_DEBUG, "failed hdr", DUMP_PREFIX_NONE, 16, 1, replybuf, replybuflen, false); + return false; + } + + /* get length contained in this portion */ + msg->curchunk_len = recv_hdr.msg_len; + msg->curchunk_hdrlen = hdrlen; + + /* we have already gotten an somt - don't bother parsing */ + if (recv_hdr.somt && msg->have_somt) + return false; + + if (recv_hdr.somt) { + memcpy(&msg->initial_hdr, &recv_hdr, sizeof(struct drm_dp_sideband_msg_hdr)); + msg->have_somt = true; + } + if (recv_hdr.eomt) + msg->have_eomt = true; + + /* copy the bytes for the remainder of this header chunk */ + msg->curchunk_idx = min(msg->curchunk_len, (u8)(replybuflen - hdrlen)); + memcpy(&msg->chunk[0], replybuf + hdrlen, msg->curchunk_idx); + } else { + memcpy(&msg->chunk[msg->curchunk_idx], replybuf, replybuflen); + msg->curchunk_idx += replybuflen; + } + + if (msg->curchunk_idx >= msg->curchunk_len) { + /* do CRC */ + crc4 = drm_dp_msg_data_crc4(msg->chunk, msg->curchunk_len - 1); + /* copy chunk into bigger msg */ + memcpy(&msg->msg[msg->curlen], msg->chunk, msg->curchunk_len - 1); + msg->curlen += msg->curchunk_len - 1; + } + return true; +} + +static bool drm_dp_sideband_parse_link_address(struct drm_dp_sideband_msg_rx *raw, + struct drm_dp_sideband_msg_reply_body *repmsg) +{ + int idx = 1; + int i; + memcpy(repmsg->u.link_addr.guid, &raw->msg[idx], 16); + idx += 16; + repmsg->u.link_addr.nports = raw->msg[idx] & 0xf; + idx++; + if (idx > raw->curlen) + goto fail_len; + for (i = 0; i < repmsg->u.link_addr.nports; i++) { + if (raw->msg[idx] & 0x80) + repmsg->u.link_addr.ports[i].input_port = 1; + + repmsg->u.link_addr.ports[i].peer_device_type = (raw->msg[idx] >> 4) & 0x7; + repmsg->u.link_addr.ports[i].port_number = (raw->msg[idx] & 0xf); + + idx++; + if (idx > raw->curlen) + goto fail_len; + repmsg->u.link_addr.ports[i].mcs = (raw->msg[idx] >> 7) & 0x1; + repmsg->u.link_addr.ports[i].ddps = (raw->msg[idx] >> 6) & 0x1; + if (repmsg->u.link_addr.ports[i].input_port == 0) + repmsg->u.link_addr.ports[i].legacy_device_plug_status = (raw->msg[idx] >> 5) & 0x1; + idx++; + if (idx > raw->curlen) + goto fail_len; + if (repmsg->u.link_addr.ports[i].input_port == 0) { + repmsg->u.link_addr.ports[i].dpcd_revision = (raw->msg[idx]); + idx++; + if (idx > raw->curlen) + goto fail_len; + memcpy(repmsg->u.link_addr.ports[i].peer_guid, &raw->msg[idx], 16); + idx += 16; + if (idx > raw->curlen) + goto fail_len; + repmsg->u.link_addr.ports[i].num_sdp_streams = (raw->msg[idx] >> 4) & 0xf; + repmsg->u.link_addr.ports[i].num_sdp_stream_sinks = (raw->msg[idx] & 0xf); + idx++; + + } + if (idx > raw->curlen) + goto fail_len; + } + + return true; +fail_len: + DRM_DEBUG_KMS("link address reply parse length fail %d %d\n", idx, raw->curlen); + return false; +} + +static bool drm_dp_sideband_parse_remote_dpcd_read(struct drm_dp_sideband_msg_rx *raw, + struct drm_dp_sideband_msg_reply_body *repmsg) +{ + int idx = 1; + repmsg->u.remote_dpcd_read_ack.port_number = raw->msg[idx] & 0xf; + idx++; + if (idx > raw->curlen) + goto fail_len; + repmsg->u.remote_dpcd_read_ack.num_bytes = raw->msg[idx]; + if (idx > raw->curlen) + goto fail_len; + + memcpy(repmsg->u.remote_dpcd_read_ack.bytes, &raw->msg[idx], repmsg->u.remote_dpcd_read_ack.num_bytes); + return true; +fail_len: + DRM_DEBUG_KMS("link address reply parse length fail %d %d\n", idx, raw->curlen); + return false; +} + +static bool drm_dp_sideband_parse_remote_dpcd_write(struct drm_dp_sideband_msg_rx *raw, + struct drm_dp_sideband_msg_reply_body *repmsg) +{ + int idx = 1; + repmsg->u.remote_dpcd_write_ack.port_number = raw->msg[idx] & 0xf; + idx++; + if (idx > raw->curlen) + goto fail_len; + return true; +fail_len: + DRM_DEBUG_KMS("parse length fail %d %d\n", idx, raw->curlen); + return false; +} + +static bool drm_dp_sideband_parse_remote_i2c_read_ack(struct drm_dp_sideband_msg_rx *raw, + struct drm_dp_sideband_msg_reply_body *repmsg) +{ + int idx = 1; + + repmsg->u.remote_i2c_read_ack.port_number = (raw->msg[idx] & 0xf); + idx++; + if (idx > raw->curlen) + goto fail_len; + repmsg->u.remote_i2c_read_ack.num_bytes = raw->msg[idx]; + idx++; + /* TODO check */ + memcpy(repmsg->u.remote_i2c_read_ack.bytes, &raw->msg[idx], repmsg->u.remote_i2c_read_ack.num_bytes); + return true; +fail_len: + DRM_DEBUG_KMS("remote i2c reply parse length fail %d %d\n", idx, raw->curlen); + return false; +} + +static bool drm_dp_sideband_parse_enum_path_resources_ack(struct drm_dp_sideband_msg_rx *raw, + struct drm_dp_sideband_msg_reply_body *repmsg) +{ + int idx = 1; + repmsg->u.path_resources.port_number = (raw->msg[idx] >> 4) & 0xf; + idx++; + if (idx > raw->curlen) + goto fail_len; + repmsg->u.path_resources.full_payload_bw_number = (raw->msg[idx] << 8) | (raw->msg[idx+1]); + idx += 2; + if (idx > raw->curlen) + goto fail_len; + repmsg->u.path_resources.avail_payload_bw_number = (raw->msg[idx] << 8) | (raw->msg[idx+1]); + idx += 2; + if (idx > raw->curlen) + goto fail_len; + return true; +fail_len: + DRM_DEBUG_KMS("enum resource parse length fail %d %d\n", idx, raw->curlen); + return false; +} + +static bool drm_dp_sideband_parse_allocate_payload_ack(struct drm_dp_sideband_msg_rx *raw, + struct drm_dp_sideband_msg_reply_body *repmsg) +{ + int idx = 1; + repmsg->u.allocate_payload.port_number = (raw->msg[idx] >> 4) & 0xf; + idx++; + if (idx > raw->curlen) + goto fail_len; + repmsg->u.allocate_payload.vcpi = raw->msg[idx]; + idx++; + if (idx > raw->curlen) + goto fail_len; + repmsg->u.allocate_payload.allocated_pbn = (raw->msg[idx] << 8) | (raw->msg[idx+1]); + idx += 2; + if (idx > raw->curlen) + goto fail_len; + return true; +fail_len: + DRM_DEBUG_KMS("allocate payload parse length fail %d %d\n", idx, raw->curlen); + return false; +} + +static bool drm_dp_sideband_parse_query_payload_ack(struct drm_dp_sideband_msg_rx *raw, + struct drm_dp_sideband_msg_reply_body *repmsg) +{ + int idx = 1; + repmsg->u.query_payload.port_number = (raw->msg[idx] >> 4) & 0xf; + idx++; + if (idx > raw->curlen) + goto fail_len; + repmsg->u.query_payload.allocated_pbn = (raw->msg[idx] << 8) | (raw->msg[idx + 1]); + idx += 2; + if (idx > raw->curlen) + goto fail_len; + return true; +fail_len: + DRM_DEBUG_KMS("query payload parse length fail %d %d\n", idx, raw->curlen); + return false; +} + +static bool drm_dp_sideband_parse_reply(struct drm_dp_sideband_msg_rx *raw, + struct drm_dp_sideband_msg_reply_body *msg) +{ + memset(msg, 0, sizeof(*msg)); + msg->reply_type = (raw->msg[0] & 0x80) >> 7; + msg->req_type = (raw->msg[0] & 0x7f); + + if (msg->reply_type) { + memcpy(msg->u.nak.guid, &raw->msg[1], 16); + msg->u.nak.reason = raw->msg[17]; + msg->u.nak.nak_data = raw->msg[18]; + return false; + } + + switch (msg->req_type) { + case DP_LINK_ADDRESS: + return drm_dp_sideband_parse_link_address(raw, msg); + case DP_QUERY_PAYLOAD: + return drm_dp_sideband_parse_query_payload_ack(raw, msg); + case DP_REMOTE_DPCD_READ: + return drm_dp_sideband_parse_remote_dpcd_read(raw, msg); + case DP_REMOTE_DPCD_WRITE: + return drm_dp_sideband_parse_remote_dpcd_write(raw, msg); + case DP_REMOTE_I2C_READ: + return drm_dp_sideband_parse_remote_i2c_read_ack(raw, msg); + case DP_ENUM_PATH_RESOURCES: + return drm_dp_sideband_parse_enum_path_resources_ack(raw, msg); + case DP_ALLOCATE_PAYLOAD: + return drm_dp_sideband_parse_allocate_payload_ack(raw, msg); + default: + DRM_ERROR("Got unknown reply 0x%02x\n", msg->req_type); + return false; + } +} + +static bool drm_dp_sideband_parse_connection_status_notify(struct drm_dp_sideband_msg_rx *raw, + struct drm_dp_sideband_msg_req_body *msg) +{ + int idx = 1; + + msg->u.conn_stat.port_number = (raw->msg[idx] & 0xf0) >> 4; + idx++; + if (idx > raw->curlen) + goto fail_len; + + memcpy(msg->u.conn_stat.guid, &raw->msg[idx], 16); + idx += 16; + if (idx > raw->curlen) + goto fail_len; + + msg->u.conn_stat.legacy_device_plug_status = (raw->msg[idx] >> 6) & 0x1; + msg->u.conn_stat.displayport_device_plug_status = (raw->msg[idx] >> 5) & 0x1; + msg->u.conn_stat.message_capability_status = (raw->msg[idx] >> 4) & 0x1; + msg->u.conn_stat.input_port = (raw->msg[idx] >> 3) & 0x1; + msg->u.conn_stat.peer_device_type = (raw->msg[idx] & 0x7); + idx++; + return true; +fail_len: + DRM_DEBUG_KMS("connection status reply parse length fail %d %d\n", idx, raw->curlen); + return false; +} + +static bool drm_dp_sideband_parse_resource_status_notify(struct drm_dp_sideband_msg_rx *raw, + struct drm_dp_sideband_msg_req_body *msg) +{ + int idx = 1; + + msg->u.resource_stat.port_number = (raw->msg[idx] & 0xf0) >> 4; + idx++; + if (idx > raw->curlen) + goto fail_len; + + memcpy(msg->u.resource_stat.guid, &raw->msg[idx], 16); + idx += 16; + if (idx > raw->curlen) + goto fail_len; + + msg->u.resource_stat.available_pbn = (raw->msg[idx] << 8) | (raw->msg[idx + 1]); + idx++; + return true; +fail_len: + DRM_DEBUG_KMS("resource status reply parse length fail %d %d\n", idx, raw->curlen); + return false; +} + +static bool drm_dp_sideband_parse_req(struct drm_dp_sideband_msg_rx *raw, + struct drm_dp_sideband_msg_req_body *msg) +{ + memset(msg, 0, sizeof(*msg)); + msg->req_type = (raw->msg[0] & 0x7f); + + switch (msg->req_type) { + case DP_CONNECTION_STATUS_NOTIFY: + return drm_dp_sideband_parse_connection_status_notify(raw, msg); + case DP_RESOURCE_STATUS_NOTIFY: + return drm_dp_sideband_parse_resource_status_notify(raw, msg); + default: + DRM_ERROR("Got unknown request 0x%02x\n", msg->req_type); + return false; + } +} + +static int build_dpcd_write(struct drm_dp_sideband_msg_tx *msg, u8 port_num, u32 offset, u8 num_bytes, u8 *bytes) +{ + struct drm_dp_sideband_msg_req_body req; + + req.req_type = DP_REMOTE_DPCD_WRITE; + req.u.dpcd_write.port_number = port_num; + req.u.dpcd_write.dpcd_address = offset; + req.u.dpcd_write.num_bytes = num_bytes; + req.u.dpcd_write.bytes = bytes; + drm_dp_encode_sideband_req(&req, msg); + + return 0; +} + +static int build_link_address(struct drm_dp_sideband_msg_tx *msg) +{ + struct drm_dp_sideband_msg_req_body req; + + req.req_type = DP_LINK_ADDRESS; + drm_dp_encode_sideband_req(&req, msg); + return 0; +} + +static int build_enum_path_resources(struct drm_dp_sideband_msg_tx *msg, int port_num) +{ + struct drm_dp_sideband_msg_req_body req; + + req.req_type = DP_ENUM_PATH_RESOURCES; + req.u.port_num.port_number = port_num; + drm_dp_encode_sideband_req(&req, msg); + msg->path_msg = true; + return 0; +} + +static int build_allocate_payload(struct drm_dp_sideband_msg_tx *msg, int port_num, + u8 vcpi, uint16_t pbn) +{ + struct drm_dp_sideband_msg_req_body req; + memset(&req, 0, sizeof(req)); + req.req_type = DP_ALLOCATE_PAYLOAD; + req.u.allocate_payload.port_number = port_num; + req.u.allocate_payload.vcpi = vcpi; + req.u.allocate_payload.pbn = pbn; + drm_dp_encode_sideband_req(&req, msg); + msg->path_msg = true; + return 0; +} + +static int drm_dp_mst_assign_payload_id(struct drm_dp_mst_topology_mgr *mgr, + struct drm_dp_vcpi *vcpi) +{ + int ret; + + mutex_lock(&mgr->payload_lock); + ret = find_first_zero_bit(&mgr->payload_mask, mgr->max_payloads + 1); + if (ret > mgr->max_payloads) { + ret = -EINVAL; + DRM_DEBUG_KMS("out of payload ids %d\n", ret); + goto out_unlock; + } + + set_bit(ret, &mgr->payload_mask); + vcpi->vcpi = ret; + mgr->proposed_vcpis[ret - 1] = vcpi; +out_unlock: + mutex_unlock(&mgr->payload_lock); + return ret; +} + +static void drm_dp_mst_put_payload_id(struct drm_dp_mst_topology_mgr *mgr, + int id) +{ + if (id == 0) + return; + + mutex_lock(&mgr->payload_lock); + DRM_DEBUG_KMS("putting payload %d\n", id); + clear_bit(id, &mgr->payload_mask); + mgr->proposed_vcpis[id - 1] = NULL; + mutex_unlock(&mgr->payload_lock); +} + +static bool check_txmsg_state(struct drm_dp_mst_topology_mgr *mgr, + struct drm_dp_sideband_msg_tx *txmsg) +{ + bool ret; + mutex_lock(&mgr->qlock); + ret = (txmsg->state == DRM_DP_SIDEBAND_TX_RX || + txmsg->state == DRM_DP_SIDEBAND_TX_TIMEOUT); + mutex_unlock(&mgr->qlock); + return ret; +} + +static int drm_dp_mst_wait_tx_reply(struct drm_dp_mst_branch *mstb, + struct drm_dp_sideband_msg_tx *txmsg) +{ + struct drm_dp_mst_topology_mgr *mgr = mstb->mgr; + int ret; + + ret = wait_event_timeout(mgr->tx_waitq, + check_txmsg_state(mgr, txmsg), + (4 * HZ)); + mutex_lock(&mstb->mgr->qlock); + if (ret > 0) { + if (txmsg->state == DRM_DP_SIDEBAND_TX_TIMEOUT) { + ret = -EIO; + goto out; + } + } else { + DRM_DEBUG_KMS("timedout msg send %p %d %d\n", txmsg, txmsg->state, txmsg->seqno); + + /* dump some state */ + ret = -EIO; + + /* remove from q */ + if (txmsg->state == DRM_DP_SIDEBAND_TX_QUEUED || + txmsg->state == DRM_DP_SIDEBAND_TX_START_SEND) { + list_del(&txmsg->next); + } + + if (txmsg->state == DRM_DP_SIDEBAND_TX_START_SEND || + txmsg->state == DRM_DP_SIDEBAND_TX_SENT) { + mstb->tx_slots[txmsg->seqno] = NULL; + } + } +out: + mutex_unlock(&mgr->qlock); + + return ret; +} + +static struct drm_dp_mst_branch *drm_dp_add_mst_branch_device(u8 lct, u8 *rad) +{ + struct drm_dp_mst_branch *mstb; + + mstb = kzalloc(sizeof(*mstb), GFP_KERNEL); + if (!mstb) + return NULL; + + mstb->lct = lct; + if (lct > 1) + memcpy(mstb->rad, rad, lct / 2); + INIT_LIST_HEAD(&mstb->ports); + kref_init(&mstb->kref); + return mstb; +} + +static void drm_dp_destroy_mst_branch_device(struct kref *kref) +{ + struct drm_dp_mst_branch *mstb = container_of(kref, struct drm_dp_mst_branch, kref); + struct drm_dp_mst_port *port, *tmp; + bool wake_tx = false; + + cancel_work_sync(&mstb->mgr->work); + + /* + * destroy all ports - don't need lock + * as there are no more references to the mst branch + * device at this point. + */ + list_for_each_entry_safe(port, tmp, &mstb->ports, next) { + list_del(&port->next); + drm_dp_put_port(port); + } + + /* drop any tx slots msg */ + mutex_lock(&mstb->mgr->qlock); + if (mstb->tx_slots[0]) { + mstb->tx_slots[0]->state = DRM_DP_SIDEBAND_TX_TIMEOUT; + mstb->tx_slots[0] = NULL; + wake_tx = true; + } + if (mstb->tx_slots[1]) { + mstb->tx_slots[1]->state = DRM_DP_SIDEBAND_TX_TIMEOUT; + mstb->tx_slots[1] = NULL; + wake_tx = true; + } + mutex_unlock(&mstb->mgr->qlock); + + if (wake_tx) + wake_up(&mstb->mgr->tx_waitq); + kfree(mstb); +} + +static void drm_dp_put_mst_branch_device(struct drm_dp_mst_branch *mstb) +{ + kref_put(&mstb->kref, drm_dp_destroy_mst_branch_device); +} + + +static void drm_dp_port_teardown_pdt(struct drm_dp_mst_port *port, int old_pdt) +{ + switch (old_pdt) { + case DP_PEER_DEVICE_DP_LEGACY_CONV: + case DP_PEER_DEVICE_SST_SINK: + /* remove i2c over sideband */ + drm_dp_mst_unregister_i2c_bus(&port->aux); + break; + case DP_PEER_DEVICE_MST_BRANCHING: + drm_dp_put_mst_branch_device(port->mstb); + port->mstb = NULL; + break; + } +} + +static void drm_dp_destroy_port(struct kref *kref) +{ + struct drm_dp_mst_port *port = container_of(kref, struct drm_dp_mst_port, kref); + struct drm_dp_mst_topology_mgr *mgr = port->mgr; + if (!port->input) { + port->vcpi.num_slots = 0; + if (port->connector) + (*port->mgr->cbs->destroy_connector)(mgr, port->connector); + drm_dp_port_teardown_pdt(port, port->pdt); + + if (!port->input && port->vcpi.vcpi > 0) + drm_dp_mst_put_payload_id(mgr, port->vcpi.vcpi); + } + kfree(port); + + (*mgr->cbs->hotplug)(mgr); +} + +static void drm_dp_put_port(struct drm_dp_mst_port *port) +{ + kref_put(&port->kref, drm_dp_destroy_port); +} + +static struct drm_dp_mst_branch *drm_dp_mst_get_validated_mstb_ref_locked(struct drm_dp_mst_branch *mstb, struct drm_dp_mst_branch *to_find) +{ + struct drm_dp_mst_port *port; + struct drm_dp_mst_branch *rmstb; + if (to_find == mstb) { + kref_get(&mstb->kref); + return mstb; + } + list_for_each_entry(port, &mstb->ports, next) { + if (port->mstb) { + rmstb = drm_dp_mst_get_validated_mstb_ref_locked(port->mstb, to_find); + if (rmstb) + return rmstb; + } + } + return NULL; +} + +static struct drm_dp_mst_branch *drm_dp_get_validated_mstb_ref(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_branch *mstb) +{ + struct drm_dp_mst_branch *rmstb = NULL; + mutex_lock(&mgr->lock); + if (mgr->mst_primary) + rmstb = drm_dp_mst_get_validated_mstb_ref_locked(mgr->mst_primary, mstb); + mutex_unlock(&mgr->lock); + return rmstb; +} + +static struct drm_dp_mst_port *drm_dp_mst_get_port_ref_locked(struct drm_dp_mst_branch *mstb, struct drm_dp_mst_port *to_find) +{ + struct drm_dp_mst_port *port, *mport; + + list_for_each_entry(port, &mstb->ports, next) { + if (port == to_find) { + kref_get(&port->kref); + return port; + } + if (port->mstb) { + mport = drm_dp_mst_get_port_ref_locked(port->mstb, to_find); + if (mport) + return mport; + } + } + return NULL; +} + +static struct drm_dp_mst_port *drm_dp_get_validated_port_ref(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port) +{ + struct drm_dp_mst_port *rport = NULL; + mutex_lock(&mgr->lock); + if (mgr->mst_primary) + rport = drm_dp_mst_get_port_ref_locked(mgr->mst_primary, port); + mutex_unlock(&mgr->lock); + return rport; +} + +static struct drm_dp_mst_port *drm_dp_get_port(struct drm_dp_mst_branch *mstb, u8 port_num) +{ + struct drm_dp_mst_port *port; + + list_for_each_entry(port, &mstb->ports, next) { + if (port->port_num == port_num) { + kref_get(&port->kref); + return port; + } + } + + return NULL; +} + +/* + * calculate a new RAD for this MST branch device + * if parent has an LCT of 2 then it has 1 nibble of RAD, + * if parent has an LCT of 3 then it has 2 nibbles of RAD, + */ +static u8 drm_dp_calculate_rad(struct drm_dp_mst_port *port, + u8 *rad) +{ + int lct = port->parent->lct; + int shift = 4; + int idx = lct / 2; + if (lct > 1) { + memcpy(rad, port->parent->rad, idx); + shift = (lct % 2) ? 4 : 0; + } else + rad[0] = 0; + + rad[idx] |= port->port_num << shift; + return lct + 1; +} + +/* + * return sends link address for new mstb + */ +static bool drm_dp_port_setup_pdt(struct drm_dp_mst_port *port) +{ + int ret; + u8 rad[6], lct; + bool send_link = false; + switch (port->pdt) { + case DP_PEER_DEVICE_DP_LEGACY_CONV: + case DP_PEER_DEVICE_SST_SINK: + /* add i2c over sideband */ + ret = drm_dp_mst_register_i2c_bus(&port->aux); + break; + case DP_PEER_DEVICE_MST_BRANCHING: + lct = drm_dp_calculate_rad(port, rad); + + port->mstb = drm_dp_add_mst_branch_device(lct, rad); + port->mstb->mgr = port->mgr; + port->mstb->port_parent = port; + + send_link = true; + break; + } + return send_link; +} + +static void drm_dp_check_port_guid(struct drm_dp_mst_branch *mstb, + struct drm_dp_mst_port *port) +{ + int ret; + if (port->dpcd_rev >= 0x12) { + port->guid_valid = drm_dp_validate_guid(mstb->mgr, port->guid); + if (!port->guid_valid) { + ret = drm_dp_send_dpcd_write(mstb->mgr, + port, + DP_GUID, + 16, port->guid); + port->guid_valid = true; + } + } +} + +static void build_mst_prop_path(struct drm_dp_mst_port *port, + struct drm_dp_mst_branch *mstb, + char *proppath) +{ + int i; + char temp[8]; + snprintf(proppath, 255, "mst:%d", mstb->mgr->conn_base_id); + for (i = 0; i < (mstb->lct - 1); i++) { + int shift = (i % 2) ? 0 : 4; + int port_num = mstb->rad[i / 2] >> shift; + snprintf(temp, 8, "-%d", port_num); + strncat(proppath, temp, 255); + } + snprintf(temp, 8, "-%d", port->port_num); + strncat(proppath, temp, 255); +} + +static void drm_dp_add_port(struct drm_dp_mst_branch *mstb, + struct device *dev, + struct drm_dp_link_addr_reply_port *port_msg) +{ + struct drm_dp_mst_port *port; + bool ret; + bool created = false; + int old_pdt = 0; + int old_ddps = 0; + port = drm_dp_get_port(mstb, port_msg->port_number); + if (!port) { + port = kzalloc(sizeof(*port), GFP_KERNEL); + if (!port) + return; + kref_init(&port->kref); + port->parent = mstb; + port->port_num = port_msg->port_number; + port->mgr = mstb->mgr; + port->aux.name = "DPMST"; + port->aux.dev = dev; + created = true; + } else { + old_pdt = port->pdt; + old_ddps = port->ddps; + } + + port->pdt = port_msg->peer_device_type; + port->input = port_msg->input_port; + port->mcs = port_msg->mcs; + port->ddps = port_msg->ddps; + port->ldps = port_msg->legacy_device_plug_status; + port->dpcd_rev = port_msg->dpcd_revision; + port->num_sdp_streams = port_msg->num_sdp_streams; + port->num_sdp_stream_sinks = port_msg->num_sdp_stream_sinks; + memcpy(port->guid, port_msg->peer_guid, 16); + + /* manage mstb port lists with mgr lock - take a reference + for this list */ + if (created) { + mutex_lock(&mstb->mgr->lock); + kref_get(&port->kref); + list_add(&port->next, &mstb->ports); + mutex_unlock(&mstb->mgr->lock); + } + + if (old_ddps != port->ddps) { + if (port->ddps) { + drm_dp_check_port_guid(mstb, port); + if (!port->input) + drm_dp_send_enum_path_resources(mstb->mgr, mstb, port); + } else { + port->guid_valid = false; + port->available_pbn = 0; + } + } + + if (old_pdt != port->pdt && !port->input) { + drm_dp_port_teardown_pdt(port, old_pdt); + + ret = drm_dp_port_setup_pdt(port); + if (ret == true) { + drm_dp_send_link_address(mstb->mgr, port->mstb); + port->mstb->link_address_sent = true; + } + } + + if (created && !port->input) { + char proppath[255]; + build_mst_prop_path(port, mstb, proppath); + port->connector = (*mstb->mgr->cbs->add_connector)(mstb->mgr, port, proppath); + } + + /* put reference to this port */ + drm_dp_put_port(port); +} + +static void drm_dp_update_port(struct drm_dp_mst_branch *mstb, + struct drm_dp_connection_status_notify *conn_stat) +{ + struct drm_dp_mst_port *port; + int old_pdt; + int old_ddps; + bool dowork = false; + port = drm_dp_get_port(mstb, conn_stat->port_number); + if (!port) + return; + + old_ddps = port->ddps; + old_pdt = port->pdt; + port->pdt = conn_stat->peer_device_type; + port->mcs = conn_stat->message_capability_status; + port->ldps = conn_stat->legacy_device_plug_status; + port->ddps = conn_stat->displayport_device_plug_status; + + if (old_ddps != port->ddps) { + if (port->ddps) { + drm_dp_check_port_guid(mstb, port); + dowork = true; + } else { + port->guid_valid = false; + port->available_pbn = 0; + } + } + if (old_pdt != port->pdt && !port->input) { + drm_dp_port_teardown_pdt(port, old_pdt); + + if (drm_dp_port_setup_pdt(port)) + dowork = true; + } + + drm_dp_put_port(port); + if (dowork) + queue_work(system_long_wq, &mstb->mgr->work); + +} + +static struct drm_dp_mst_branch *drm_dp_get_mst_branch_device(struct drm_dp_mst_topology_mgr *mgr, + u8 lct, u8 *rad) +{ + struct drm_dp_mst_branch *mstb; + struct drm_dp_mst_port *port; + int i; + /* find the port by iterating down */ + mstb = mgr->mst_primary; + + for (i = 0; i < lct - 1; i++) { + int shift = (i % 2) ? 0 : 4; + int port_num = rad[i / 2] >> shift; + + list_for_each_entry(port, &mstb->ports, next) { + if (port->port_num == port_num) { + if (!port->mstb) { + DRM_ERROR("failed to lookup MSTB with lct %d, rad %02x\n", lct, rad[0]); + return NULL; + } + + mstb = port->mstb; + break; + } + } + } + kref_get(&mstb->kref); + return mstb; +} + +static void drm_dp_check_and_send_link_address(struct drm_dp_mst_topology_mgr *mgr, + struct drm_dp_mst_branch *mstb) +{ + struct drm_dp_mst_port *port; + + if (!mstb->link_address_sent) { + drm_dp_send_link_address(mgr, mstb); + mstb->link_address_sent = true; + } + list_for_each_entry(port, &mstb->ports, next) { + if (port->input) + continue; + + if (!port->ddps) + continue; + + if (!port->available_pbn) + drm_dp_send_enum_path_resources(mgr, mstb, port); + + if (port->mstb) + drm_dp_check_and_send_link_address(mgr, port->mstb); + } +} + +static void drm_dp_mst_link_probe_work(struct work_struct *work) +{ + struct drm_dp_mst_topology_mgr *mgr = container_of(work, struct drm_dp_mst_topology_mgr, work); + + drm_dp_check_and_send_link_address(mgr, mgr->mst_primary); + +} + +static bool drm_dp_validate_guid(struct drm_dp_mst_topology_mgr *mgr, + u8 *guid) +{ + static u8 zero_guid[16]; + + if (!memcmp(guid, zero_guid, 16)) { + u64 salt = get_jiffies_64(); + memcpy(&guid[0], &salt, sizeof(u64)); + memcpy(&guid[8], &salt, sizeof(u64)); + return false; + } + return true; +} + +#if 0 +static int build_dpcd_read(struct drm_dp_sideband_msg_tx *msg, u8 port_num, u32 offset, u8 num_bytes) +{ + struct drm_dp_sideband_msg_req_body req; + + req.req_type = DP_REMOTE_DPCD_READ; + req.u.dpcd_read.port_number = port_num; + req.u.dpcd_read.dpcd_address = offset; + req.u.dpcd_read.num_bytes = num_bytes; + drm_dp_encode_sideband_req(&req, msg); + + return 0; +} +#endif + +static int drm_dp_send_sideband_msg(struct drm_dp_mst_topology_mgr *mgr, + bool up, u8 *msg, int len) +{ + int ret; + int regbase = up ? DP_SIDEBAND_MSG_UP_REP_BASE : DP_SIDEBAND_MSG_DOWN_REQ_BASE; + int tosend, total, offset; + int retries = 0; + +retry: + total = len; + offset = 0; + do { + tosend = min3(mgr->max_dpcd_transaction_bytes, 16, total); + + ret = drm_dp_dpcd_write(mgr->aux, regbase + offset, + &msg[offset], + tosend); + if (ret != tosend) { + if (ret == -EIO && retries < 5) { + retries++; + goto retry; + } + DRM_DEBUG_KMS("failed to dpcd write %d %d\n", tosend, ret); + WARN(1, "fail\n"); + + return -EIO; + } + offset += tosend; + total -= tosend; + } while (total > 0); + return 0; +} + +static int set_hdr_from_dst_qlock(struct drm_dp_sideband_msg_hdr *hdr, + struct drm_dp_sideband_msg_tx *txmsg) +{ + struct drm_dp_mst_branch *mstb = txmsg->dst; + + /* both msg slots are full */ + if (txmsg->seqno == -1) { + if (mstb->tx_slots[0] && mstb->tx_slots[1]) { + DRM_DEBUG_KMS("%s: failed to find slot\n", __func__); + return -EAGAIN; + } + if (mstb->tx_slots[0] == NULL && mstb->tx_slots[1] == NULL) { + txmsg->seqno = mstb->last_seqno; + mstb->last_seqno ^= 1; + } else if (mstb->tx_slots[0] == NULL) + txmsg->seqno = 0; + else + txmsg->seqno = 1; + mstb->tx_slots[txmsg->seqno] = txmsg; + } + hdr->broadcast = 0; + hdr->path_msg = txmsg->path_msg; + hdr->lct = mstb->lct; + hdr->lcr = mstb->lct - 1; + if (mstb->lct > 1) + memcpy(hdr->rad, mstb->rad, mstb->lct / 2); + hdr->seqno = txmsg->seqno; + return 0; +} +/* + * process a single block of the next message in the sideband queue + */ +static int process_single_tx_qlock(struct drm_dp_mst_topology_mgr *mgr, + struct drm_dp_sideband_msg_tx *txmsg, + bool up) +{ + u8 chunk[48]; + struct drm_dp_sideband_msg_hdr hdr; + int len, space, idx, tosend; + int ret; + + memset(&hdr, 0, sizeof(struct drm_dp_sideband_msg_hdr)); + + if (txmsg->state == DRM_DP_SIDEBAND_TX_QUEUED) { + txmsg->seqno = -1; + txmsg->state = DRM_DP_SIDEBAND_TX_START_SEND; + } + + /* make hdr from dst mst - for replies use seqno + otherwise assign one */ + ret = set_hdr_from_dst_qlock(&hdr, txmsg); + if (ret < 0) + return ret; + + /* amount left to send in this message */ + len = txmsg->cur_len - txmsg->cur_offset; + + /* 48 - sideband msg size - 1 byte for data CRC, x header bytes */ + space = 48 - 1 - drm_dp_calc_sb_hdr_size(&hdr); + + tosend = min(len, space); + if (len == txmsg->cur_len) + hdr.somt = 1; + if (space >= len) + hdr.eomt = 1; + + + hdr.msg_len = tosend + 1; + drm_dp_encode_sideband_msg_hdr(&hdr, chunk, &idx); + memcpy(&chunk[idx], &txmsg->msg[txmsg->cur_offset], tosend); + /* add crc at end */ + drm_dp_crc_sideband_chunk_req(&chunk[idx], tosend); + idx += tosend + 1; + + ret = drm_dp_send_sideband_msg(mgr, up, chunk, idx); + if (ret) { + DRM_DEBUG_KMS("sideband msg failed to send\n"); + return ret; + } + + txmsg->cur_offset += tosend; + if (txmsg->cur_offset == txmsg->cur_len) { + txmsg->state = DRM_DP_SIDEBAND_TX_SENT; + return 1; + } + return 0; +} + +/* must be called holding qlock */ +static void process_single_down_tx_qlock(struct drm_dp_mst_topology_mgr *mgr) +{ + struct drm_dp_sideband_msg_tx *txmsg; + int ret; + + /* construct a chunk from the first msg in the tx_msg queue */ + if (list_empty(&mgr->tx_msg_downq)) { + mgr->tx_down_in_progress = false; + return; + } + mgr->tx_down_in_progress = true; + + txmsg = list_first_entry(&mgr->tx_msg_downq, struct drm_dp_sideband_msg_tx, next); + ret = process_single_tx_qlock(mgr, txmsg, false); + if (ret == 1) { + /* txmsg is sent it should be in the slots now */ + list_del(&txmsg->next); + } else if (ret) { + DRM_DEBUG_KMS("failed to send msg in q %d\n", ret); + list_del(&txmsg->next); + if (txmsg->seqno != -1) + txmsg->dst->tx_slots[txmsg->seqno] = NULL; + txmsg->state = DRM_DP_SIDEBAND_TX_TIMEOUT; + wake_up(&mgr->tx_waitq); + } + if (list_empty(&mgr->tx_msg_downq)) { + mgr->tx_down_in_progress = false; + return; + } +} + +/* called holding qlock */ +static void process_single_up_tx_qlock(struct drm_dp_mst_topology_mgr *mgr) +{ + struct drm_dp_sideband_msg_tx *txmsg; + int ret; + + /* construct a chunk from the first msg in the tx_msg queue */ + if (list_empty(&mgr->tx_msg_upq)) { + mgr->tx_up_in_progress = false; + return; + } + + txmsg = list_first_entry(&mgr->tx_msg_upq, struct drm_dp_sideband_msg_tx, next); + ret = process_single_tx_qlock(mgr, txmsg, true); + if (ret == 1) { + /* up txmsgs aren't put in slots - so free after we send it */ + list_del(&txmsg->next); + kfree(txmsg); + } else if (ret) + DRM_DEBUG_KMS("failed to send msg in q %d\n", ret); + mgr->tx_up_in_progress = true; +} + +static void drm_dp_queue_down_tx(struct drm_dp_mst_topology_mgr *mgr, + struct drm_dp_sideband_msg_tx *txmsg) +{ + mutex_lock(&mgr->qlock); + list_add_tail(&txmsg->next, &mgr->tx_msg_downq); + if (!mgr->tx_down_in_progress) + process_single_down_tx_qlock(mgr); + mutex_unlock(&mgr->qlock); +} + +static int drm_dp_send_link_address(struct drm_dp_mst_topology_mgr *mgr, + struct drm_dp_mst_branch *mstb) +{ + int len; + struct drm_dp_sideband_msg_tx *txmsg; + int ret; + + txmsg = kzalloc(sizeof(*txmsg), GFP_KERNEL); + if (!txmsg) + return -ENOMEM; + + txmsg->dst = mstb; + len = build_link_address(txmsg); + + drm_dp_queue_down_tx(mgr, txmsg); + + ret = drm_dp_mst_wait_tx_reply(mstb, txmsg); + if (ret > 0) { + int i; + + if (txmsg->reply.reply_type == 1) + DRM_DEBUG_KMS("link address nak received\n"); + else { + DRM_DEBUG_KMS("link address reply: %d\n", txmsg->reply.u.link_addr.nports); + for (i = 0; i < txmsg->reply.u.link_addr.nports; i++) { + DRM_DEBUG_KMS("port %d: input %d, pdt: %d, pn: %d, dpcd_rev: %02x, mcs: %d, ddps: %d, ldps %d, sdp %d/%d\n", i, + txmsg->reply.u.link_addr.ports[i].input_port, + txmsg->reply.u.link_addr.ports[i].peer_device_type, + txmsg->reply.u.link_addr.ports[i].port_number, + txmsg->reply.u.link_addr.ports[i].dpcd_revision, + txmsg->reply.u.link_addr.ports[i].mcs, + txmsg->reply.u.link_addr.ports[i].ddps, + txmsg->reply.u.link_addr.ports[i].legacy_device_plug_status, + txmsg->reply.u.link_addr.ports[i].num_sdp_streams, + txmsg->reply.u.link_addr.ports[i].num_sdp_stream_sinks); + } + for (i = 0; i < txmsg->reply.u.link_addr.nports; i++) { + drm_dp_add_port(mstb, mgr->dev, &txmsg->reply.u.link_addr.ports[i]); + } + (*mgr->cbs->hotplug)(mgr); + } + } else + DRM_DEBUG_KMS("link address failed %d\n", ret); + + kfree(txmsg); + return 0; +} + +static int drm_dp_send_enum_path_resources(struct drm_dp_mst_topology_mgr *mgr, + struct drm_dp_mst_branch *mstb, + struct drm_dp_mst_port *port) +{ + int len; + struct drm_dp_sideband_msg_tx *txmsg; + int ret; + + txmsg = kzalloc(sizeof(*txmsg), GFP_KERNEL); + if (!txmsg) + return -ENOMEM; + + txmsg->dst = mstb; + len = build_enum_path_resources(txmsg, port->port_num); + + drm_dp_queue_down_tx(mgr, txmsg); + + ret = drm_dp_mst_wait_tx_reply(mstb, txmsg); + if (ret > 0) { + if (txmsg->reply.reply_type == 1) + DRM_DEBUG_KMS("enum path resources nak received\n"); + else { + if (port->port_num != txmsg->reply.u.path_resources.port_number) + DRM_ERROR("got incorrect port in response\n"); + DRM_DEBUG_KMS("enum path resources %d: %d %d\n", txmsg->reply.u.path_resources.port_number, txmsg->reply.u.path_resources.full_payload_bw_number, + txmsg->reply.u.path_resources.avail_payload_bw_number); + port->available_pbn = txmsg->reply.u.path_resources.avail_payload_bw_number; + } + } + + kfree(txmsg); + return 0; +} + +static int drm_dp_payload_send_msg(struct drm_dp_mst_topology_mgr *mgr, + struct drm_dp_mst_port *port, + int id, + int pbn) +{ + struct drm_dp_sideband_msg_tx *txmsg; + struct drm_dp_mst_branch *mstb; + int len, ret; + + mstb = drm_dp_get_validated_mstb_ref(mgr, port->parent); + if (!mstb) + return -EINVAL; + + txmsg = kzalloc(sizeof(*txmsg), GFP_KERNEL); + if (!txmsg) { + ret = -ENOMEM; + goto fail_put; + } + + txmsg->dst = mstb; + len = build_allocate_payload(txmsg, port->port_num, + id, + pbn); + + drm_dp_queue_down_tx(mgr, txmsg); + + ret = drm_dp_mst_wait_tx_reply(mstb, txmsg); + if (ret > 0) { + if (txmsg->reply.reply_type == 1) { + ret = -EINVAL; + } else + ret = 0; + } + kfree(txmsg); +fail_put: + drm_dp_put_mst_branch_device(mstb); + return ret; +} + +static int drm_dp_create_payload_step1(struct drm_dp_mst_topology_mgr *mgr, + int id, + struct drm_dp_payload *payload) +{ + int ret; + + ret = drm_dp_dpcd_write_payload(mgr, id, payload); + if (ret < 0) { + payload->payload_state = 0; + return ret; + } + payload->payload_state = DP_PAYLOAD_LOCAL; + return 0; +} + +static int drm_dp_create_payload_step2(struct drm_dp_mst_topology_mgr *mgr, + struct drm_dp_mst_port *port, + int id, + struct drm_dp_payload *payload) +{ + int ret; + ret = drm_dp_payload_send_msg(mgr, port, id, port->vcpi.pbn); + if (ret < 0) + return ret; + payload->payload_state = DP_PAYLOAD_REMOTE; + return ret; +} + +static int drm_dp_destroy_payload_step1(struct drm_dp_mst_topology_mgr *mgr, + struct drm_dp_mst_port *port, + int id, + struct drm_dp_payload *payload) +{ + DRM_DEBUG_KMS("\n"); + /* its okay for these to fail */ + if (port) { + drm_dp_payload_send_msg(mgr, port, id, 0); + } + + drm_dp_dpcd_write_payload(mgr, id, payload); + payload->payload_state = 0; + return 0; +} + +static int drm_dp_destroy_payload_step2(struct drm_dp_mst_topology_mgr *mgr, + int id, + struct drm_dp_payload *payload) +{ + payload->payload_state = 0; + return 0; +} + +/** + * drm_dp_update_payload_part1() - Execute payload update part 1 + * @mgr: manager to use. + * + * This iterates over all proposed virtual channels, and tries to + * allocate space in the link for them. For 0->slots transitions, + * this step just writes the VCPI to the MST device. For slots->0 + * transitions, this writes the updated VCPIs and removes the + * remote VC payloads. + * + * after calling this the driver should generate ACT and payload + * packets. + */ +int drm_dp_update_payload_part1(struct drm_dp_mst_topology_mgr *mgr) +{ + int i; + int cur_slots = 1; + struct drm_dp_payload req_payload; + struct drm_dp_mst_port *port; + + mutex_lock(&mgr->payload_lock); + for (i = 0; i < mgr->max_payloads; i++) { + /* solve the current payloads - compare to the hw ones + - update the hw view */ + req_payload.start_slot = cur_slots; + if (mgr->proposed_vcpis[i]) { + port = container_of(mgr->proposed_vcpis[i], struct drm_dp_mst_port, vcpi); + req_payload.num_slots = mgr->proposed_vcpis[i]->num_slots; + } else { + port = NULL; + req_payload.num_slots = 0; + } + /* work out what is required to happen with this payload */ + if (mgr->payloads[i].start_slot != req_payload.start_slot || + mgr->payloads[i].num_slots != req_payload.num_slots) { + + /* need to push an update for this payload */ + if (req_payload.num_slots) { + drm_dp_create_payload_step1(mgr, i + 1, &req_payload); + mgr->payloads[i].num_slots = req_payload.num_slots; + } else if (mgr->payloads[i].num_slots) { + mgr->payloads[i].num_slots = 0; + drm_dp_destroy_payload_step1(mgr, port, i + 1, &mgr->payloads[i]); + req_payload.payload_state = mgr->payloads[i].payload_state; + } else + req_payload.payload_state = 0; + + mgr->payloads[i].start_slot = req_payload.start_slot; + mgr->payloads[i].payload_state = req_payload.payload_state; + } + cur_slots += req_payload.num_slots; + } + mutex_unlock(&mgr->payload_lock); + + return 0; +} +EXPORT_SYMBOL(drm_dp_update_payload_part1); + +/** + * drm_dp_update_payload_part2() - Execute payload update part 2 + * @mgr: manager to use. + * + * This iterates over all proposed virtual channels, and tries to + * allocate space in the link for them. For 0->slots transitions, + * this step writes the remote VC payload commands. For slots->0 + * this just resets some internal state. + */ +int drm_dp_update_payload_part2(struct drm_dp_mst_topology_mgr *mgr) +{ + struct drm_dp_mst_port *port; + int i; + int ret = 0; + mutex_lock(&mgr->payload_lock); + for (i = 0; i < mgr->max_payloads; i++) { + + if (!mgr->proposed_vcpis[i]) + continue; + + port = container_of(mgr->proposed_vcpis[i], struct drm_dp_mst_port, vcpi); + + DRM_DEBUG_KMS("payload %d %d\n", i, mgr->payloads[i].payload_state); + if (mgr->payloads[i].payload_state == DP_PAYLOAD_LOCAL) { + ret = drm_dp_create_payload_step2(mgr, port, i + 1, &mgr->payloads[i]); + } else if (mgr->payloads[i].payload_state == DP_PAYLOAD_DELETE_LOCAL) { + ret = drm_dp_destroy_payload_step2(mgr, i + 1, &mgr->payloads[i]); + } + if (ret) { + mutex_unlock(&mgr->payload_lock); + return ret; + } + } + mutex_unlock(&mgr->payload_lock); + return 0; +} +EXPORT_SYMBOL(drm_dp_update_payload_part2); + +#if 0 /* unused as of yet */ +static int drm_dp_send_dpcd_read(struct drm_dp_mst_topology_mgr *mgr, + struct drm_dp_mst_port *port, + int offset, int size) +{ + int len; + struct drm_dp_sideband_msg_tx *txmsg; + + txmsg = kzalloc(sizeof(*txmsg), GFP_KERNEL); + if (!txmsg) + return -ENOMEM; + + len = build_dpcd_read(txmsg, port->port_num, 0, 8); + txmsg->dst = port->parent; + + drm_dp_queue_down_tx(mgr, txmsg); + + return 0; +} +#endif + +static int drm_dp_send_dpcd_write(struct drm_dp_mst_topology_mgr *mgr, + struct drm_dp_mst_port *port, + int offset, int size, u8 *bytes) +{ + int len; + int ret; + struct drm_dp_sideband_msg_tx *txmsg; + struct drm_dp_mst_branch *mstb; + + mstb = drm_dp_get_validated_mstb_ref(mgr, port->parent); + if (!mstb) + return -EINVAL; + + txmsg = kzalloc(sizeof(*txmsg), GFP_KERNEL); + if (!txmsg) { + ret = -ENOMEM; + goto fail_put; + } + + len = build_dpcd_write(txmsg, port->port_num, offset, size, bytes); + txmsg->dst = mstb; + + drm_dp_queue_down_tx(mgr, txmsg); + + ret = drm_dp_mst_wait_tx_reply(mstb, txmsg); + if (ret > 0) { + if (txmsg->reply.reply_type == 1) { + ret = -EINVAL; + } else + ret = 0; + } + kfree(txmsg); +fail_put: + drm_dp_put_mst_branch_device(mstb); + return ret; +} + +static int drm_dp_encode_up_ack_reply(struct drm_dp_sideband_msg_tx *msg, u8 req_type) +{ + struct drm_dp_sideband_msg_reply_body reply; + + reply.reply_type = 1; + reply.req_type = req_type; + drm_dp_encode_sideband_reply(&reply, msg); + return 0; +} + +static int drm_dp_send_up_ack_reply(struct drm_dp_mst_topology_mgr *mgr, + struct drm_dp_mst_branch *mstb, + int req_type, int seqno, bool broadcast) +{ + struct drm_dp_sideband_msg_tx *txmsg; + + txmsg = kzalloc(sizeof(*txmsg), GFP_KERNEL); + if (!txmsg) + return -ENOMEM; + + txmsg->dst = mstb; + txmsg->seqno = seqno; + drm_dp_encode_up_ack_reply(txmsg, req_type); + + mutex_lock(&mgr->qlock); + list_add_tail(&txmsg->next, &mgr->tx_msg_upq); + if (!mgr->tx_up_in_progress) { + process_single_up_tx_qlock(mgr); + } + mutex_unlock(&mgr->qlock); + return 0; +} + +static int drm_dp_get_vc_payload_bw(int dp_link_bw, int dp_link_count) +{ + switch (dp_link_bw) { + case DP_LINK_BW_1_62: + return 3 * dp_link_count; + case DP_LINK_BW_2_7: + return 5 * dp_link_count; + case DP_LINK_BW_5_4: + return 10 * dp_link_count; + } + return 0; +} + +/** + * drm_dp_mst_topology_mgr_set_mst() - Set the MST state for a topology manager + * @mgr: manager to set state for + * @mst_state: true to enable MST on this connector - false to disable. + * + * This is called by the driver when it detects an MST capable device plugged + * into a DP MST capable port, or when a DP MST capable device is unplugged. + */ +int drm_dp_mst_topology_mgr_set_mst(struct drm_dp_mst_topology_mgr *mgr, bool mst_state) +{ + int ret = 0; + struct drm_dp_mst_branch *mstb = NULL; + + mutex_lock(&mgr->lock); + if (mst_state == mgr->mst_state) + goto out_unlock; + + mgr->mst_state = mst_state; + /* set the device into MST mode */ + if (mst_state) { + WARN_ON(mgr->mst_primary); + + /* get dpcd info */ + ret = drm_dp_dpcd_read(mgr->aux, DP_DPCD_REV, mgr->dpcd, DP_RECEIVER_CAP_SIZE); + if (ret != DP_RECEIVER_CAP_SIZE) { + DRM_DEBUG_KMS("failed to read DPCD\n"); + goto out_unlock; + } + + mgr->pbn_div = drm_dp_get_vc_payload_bw(mgr->dpcd[1], mgr->dpcd[2] & DP_MAX_LANE_COUNT_MASK); + mgr->total_pbn = 2560; + mgr->total_slots = DIV_ROUND_UP(mgr->total_pbn, mgr->pbn_div); + mgr->avail_slots = mgr->total_slots; + + /* add initial branch device at LCT 1 */ + mstb = drm_dp_add_mst_branch_device(1, NULL); + if (mstb == NULL) { + ret = -ENOMEM; + goto out_unlock; + } + mstb->mgr = mgr; + + /* give this the main reference */ + mgr->mst_primary = mstb; + kref_get(&mgr->mst_primary->kref); + + { + struct drm_dp_payload reset_pay; + reset_pay.start_slot = 0; + reset_pay.num_slots = 0x3f; + drm_dp_dpcd_write_payload(mgr, 0, &reset_pay); + } + + ret = drm_dp_dpcd_writeb(mgr->aux, DP_MSTM_CTRL, + DP_MST_EN | DP_UP_REQ_EN | DP_UPSTREAM_IS_SRC); + if (ret < 0) { + goto out_unlock; + } + + + /* sort out guid */ + ret = drm_dp_dpcd_read(mgr->aux, DP_GUID, mgr->guid, 16); + if (ret != 16) { + DRM_DEBUG_KMS("failed to read DP GUID %d\n", ret); + goto out_unlock; + } + + mgr->guid_valid = drm_dp_validate_guid(mgr, mgr->guid); + if (!mgr->guid_valid) { + ret = drm_dp_dpcd_write(mgr->aux, DP_GUID, mgr->guid, 16); + mgr->guid_valid = true; + } + + queue_work(system_long_wq, &mgr->work); + + ret = 0; + } else { + /* disable MST on the device */ + mstb = mgr->mst_primary; + mgr->mst_primary = NULL; + /* this can fail if the device is gone */ + drm_dp_dpcd_writeb(mgr->aux, DP_MSTM_CTRL, 0); + ret = 0; + memset(mgr->payloads, 0, mgr->max_payloads * sizeof(struct drm_dp_payload)); + mgr->payload_mask = 0; + set_bit(0, &mgr->payload_mask); + } + +out_unlock: + mutex_unlock(&mgr->lock); + if (mstb) + drm_dp_put_mst_branch_device(mstb); + return ret; + +} +EXPORT_SYMBOL(drm_dp_mst_topology_mgr_set_mst); + +/** + * drm_dp_mst_topology_mgr_suspend() - suspend the MST manager + * @mgr: manager to suspend + * + * This function tells the MST device that we can't handle UP messages + * anymore. This should stop it from sending any since we are suspended. + */ +void drm_dp_mst_topology_mgr_suspend(struct drm_dp_mst_topology_mgr *mgr) +{ + mutex_lock(&mgr->lock); + drm_dp_dpcd_writeb(mgr->aux, DP_MSTM_CTRL, + DP_MST_EN | DP_UPSTREAM_IS_SRC); + mutex_unlock(&mgr->lock); +} +EXPORT_SYMBOL(drm_dp_mst_topology_mgr_suspend); + +/** + * drm_dp_mst_topology_mgr_resume() - resume the MST manager + * @mgr: manager to resume + * + * This will fetch DPCD and see if the device is still there, + * if it is, it will rewrite the MSTM control bits, and return. + * + * if the device fails this returns -1, and the driver should do + * a full MST reprobe, in case we were undocked. + */ +int drm_dp_mst_topology_mgr_resume(struct drm_dp_mst_topology_mgr *mgr) +{ + int ret = 0; + + mutex_lock(&mgr->lock); + + if (mgr->mst_primary) { + int sret; + sret = drm_dp_dpcd_read(mgr->aux, DP_DPCD_REV, mgr->dpcd, DP_RECEIVER_CAP_SIZE); + if (sret != DP_RECEIVER_CAP_SIZE) { + DRM_DEBUG_KMS("dpcd read failed - undocked during suspend?\n"); + ret = -1; + goto out_unlock; + } + + ret = drm_dp_dpcd_writeb(mgr->aux, DP_MSTM_CTRL, + DP_MST_EN | DP_UP_REQ_EN | DP_UPSTREAM_IS_SRC); + if (ret < 0) { + DRM_DEBUG_KMS("mst write failed - undocked during suspend?\n"); + ret = -1; + goto out_unlock; + } + ret = 0; + } else + ret = -1; + +out_unlock: + mutex_unlock(&mgr->lock); + return ret; +} +EXPORT_SYMBOL(drm_dp_mst_topology_mgr_resume); + +static void drm_dp_get_one_sb_msg(struct drm_dp_mst_topology_mgr *mgr, bool up) +{ + int len; + u8 replyblock[32]; + int replylen, origlen, curreply; + int ret; + struct drm_dp_sideband_msg_rx *msg; + int basereg = up ? DP_SIDEBAND_MSG_UP_REQ_BASE : DP_SIDEBAND_MSG_DOWN_REP_BASE; + msg = up ? &mgr->up_req_recv : &mgr->down_rep_recv; + + len = min(mgr->max_dpcd_transaction_bytes, 16); + ret = drm_dp_dpcd_read(mgr->aux, basereg, + replyblock, len); + if (ret != len) { + DRM_DEBUG_KMS("failed to read DPCD down rep %d %d\n", len, ret); + return; + } + ret = drm_dp_sideband_msg_build(msg, replyblock, len, true); + if (!ret) { + DRM_DEBUG_KMS("sideband msg build failed %d\n", replyblock[0]); + return; + } + replylen = msg->curchunk_len + msg->curchunk_hdrlen; + + origlen = replylen; + replylen -= len; + curreply = len; + while (replylen > 0) { + len = min3(replylen, mgr->max_dpcd_transaction_bytes, 16); + ret = drm_dp_dpcd_read(mgr->aux, basereg + curreply, + replyblock, len); + if (ret != len) { + DRM_DEBUG_KMS("failed to read a chunk\n"); + } + ret = drm_dp_sideband_msg_build(msg, replyblock, len, false); + if (ret == false) + DRM_DEBUG_KMS("failed to build sideband msg\n"); + curreply += len; + replylen -= len; + } +} + +static int drm_dp_mst_handle_down_rep(struct drm_dp_mst_topology_mgr *mgr) +{ + int ret = 0; + + drm_dp_get_one_sb_msg(mgr, false); + + if (mgr->down_rep_recv.have_eomt) { + struct drm_dp_sideband_msg_tx *txmsg; + struct drm_dp_mst_branch *mstb; + int slot = -1; + mstb = drm_dp_get_mst_branch_device(mgr, + mgr->down_rep_recv.initial_hdr.lct, + mgr->down_rep_recv.initial_hdr.rad); + + if (!mstb) { + DRM_DEBUG_KMS("Got MST reply from unknown device %d\n", mgr->down_rep_recv.initial_hdr.lct); + memset(&mgr->down_rep_recv, 0, sizeof(struct drm_dp_sideband_msg_rx)); + return 0; + } + + /* find the message */ + slot = mgr->down_rep_recv.initial_hdr.seqno; + mutex_lock(&mgr->qlock); + txmsg = mstb->tx_slots[slot]; + /* remove from slots */ + mutex_unlock(&mgr->qlock); + + if (!txmsg) { + DRM_DEBUG_KMS("Got MST reply with no msg %p %d %d %02x %02x\n", + mstb, + mgr->down_rep_recv.initial_hdr.seqno, + mgr->down_rep_recv.initial_hdr.lct, + mgr->down_rep_recv.initial_hdr.rad[0], + mgr->down_rep_recv.msg[0]); + drm_dp_put_mst_branch_device(mstb); + memset(&mgr->down_rep_recv, 0, sizeof(struct drm_dp_sideband_msg_rx)); + return 0; + } + + drm_dp_sideband_parse_reply(&mgr->down_rep_recv, &txmsg->reply); + if (txmsg->reply.reply_type == 1) { + DRM_DEBUG_KMS("Got NAK reply: req 0x%02x, reason 0x%02x, nak data 0x%02x\n", txmsg->reply.req_type, txmsg->reply.u.nak.reason, txmsg->reply.u.nak.nak_data); + } + + memset(&mgr->down_rep_recv, 0, sizeof(struct drm_dp_sideband_msg_rx)); + drm_dp_put_mst_branch_device(mstb); + + mutex_lock(&mgr->qlock); + txmsg->state = DRM_DP_SIDEBAND_TX_RX; + mstb->tx_slots[slot] = NULL; + mutex_unlock(&mgr->qlock); + + wake_up(&mgr->tx_waitq); + } + return ret; +} + +static int drm_dp_mst_handle_up_req(struct drm_dp_mst_topology_mgr *mgr) +{ + int ret = 0; + drm_dp_get_one_sb_msg(mgr, true); + + if (mgr->up_req_recv.have_eomt) { + struct drm_dp_sideband_msg_req_body msg; + struct drm_dp_mst_branch *mstb; + bool seqno; + mstb = drm_dp_get_mst_branch_device(mgr, + mgr->up_req_recv.initial_hdr.lct, + mgr->up_req_recv.initial_hdr.rad); + if (!mstb) { + DRM_DEBUG_KMS("Got MST reply from unknown device %d\n", mgr->up_req_recv.initial_hdr.lct); + memset(&mgr->up_req_recv, 0, sizeof(struct drm_dp_sideband_msg_rx)); + return 0; + } + + seqno = mgr->up_req_recv.initial_hdr.seqno; + drm_dp_sideband_parse_req(&mgr->up_req_recv, &msg); + + if (msg.req_type == DP_CONNECTION_STATUS_NOTIFY) { + drm_dp_send_up_ack_reply(mgr, mstb, msg.req_type, seqno, false); + drm_dp_update_port(mstb, &msg.u.conn_stat); + DRM_DEBUG_KMS("Got CSN: pn: %d ldps:%d ddps: %d mcs: %d ip: %d pdt: %d\n", msg.u.conn_stat.port_number, msg.u.conn_stat.legacy_device_plug_status, msg.u.conn_stat.displayport_device_plug_status, msg.u.conn_stat.message_capability_status, msg.u.conn_stat.input_port, msg.u.conn_stat.peer_device_type); + (*mgr->cbs->hotplug)(mgr); + + } else if (msg.req_type == DP_RESOURCE_STATUS_NOTIFY) { + drm_dp_send_up_ack_reply(mgr, mstb, msg.req_type, seqno, false); + DRM_DEBUG_KMS("Got RSN: pn: %d avail_pbn %d\n", msg.u.resource_stat.port_number, msg.u.resource_stat.available_pbn); + } + + drm_dp_put_mst_branch_device(mstb); + memset(&mgr->up_req_recv, 0, sizeof(struct drm_dp_sideband_msg_rx)); + } + return ret; +} + +/** + * drm_dp_mst_hpd_irq() - MST hotplug IRQ notify + * @mgr: manager to notify irq for. + * @esi: 4 bytes from SINK_COUNT_ESI + * + * This should be called from the driver when it detects a short IRQ, + * along with the value of the DEVICE_SERVICE_IRQ_VECTOR_ESI0. The + * topology manager will process the sideband messages received as a result + * of this. + */ +int drm_dp_mst_hpd_irq(struct drm_dp_mst_topology_mgr *mgr, u8 *esi, bool *handled) +{ + int ret = 0; + int sc; + *handled = false; + sc = esi[0] & 0x3f; + + if (sc != mgr->sink_count) { + mgr->sink_count = sc; + *handled = true; + } + + if (esi[1] & DP_DOWN_REP_MSG_RDY) { + ret = drm_dp_mst_handle_down_rep(mgr); + *handled = true; + } + + if (esi[1] & DP_UP_REQ_MSG_RDY) { + ret |= drm_dp_mst_handle_up_req(mgr); + *handled = true; + } + + drm_dp_mst_kick_tx(mgr); + return ret; +} +EXPORT_SYMBOL(drm_dp_mst_hpd_irq); + +/** + * drm_dp_mst_detect_port() - get connection status for an MST port + * @mgr: manager for this port + * @port: unverified pointer to a port + * + * This returns the current connection state for a port. It validates the + * port pointer still exists so the caller doesn't require a reference + */ +enum drm_connector_status drm_dp_mst_detect_port(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port) +{ + enum drm_connector_status status = connector_status_disconnected; + + /* we need to search for the port in the mgr in case its gone */ + port = drm_dp_get_validated_port_ref(mgr, port); + if (!port) + return connector_status_disconnected; + + if (!port->ddps) + goto out; + + switch (port->pdt) { + case DP_PEER_DEVICE_NONE: + case DP_PEER_DEVICE_MST_BRANCHING: + break; + + case DP_PEER_DEVICE_SST_SINK: + status = connector_status_connected; + break; + case DP_PEER_DEVICE_DP_LEGACY_CONV: + if (port->ldps) + status = connector_status_connected; + break; + } +out: + drm_dp_put_port(port); + return status; +} +EXPORT_SYMBOL(drm_dp_mst_detect_port); + +/** + * drm_dp_mst_get_edid() - get EDID for an MST port + * @connector: toplevel connector to get EDID for + * @mgr: manager for this port + * @port: unverified pointer to a port. + * + * This returns an EDID for the port connected to a connector, + * It validates the pointer still exists so the caller doesn't require a + * reference. + */ +struct edid *drm_dp_mst_get_edid(struct drm_connector *connector, struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port) +{ + struct edid *edid = NULL; + + /* we need to search for the port in the mgr in case its gone */ + port = drm_dp_get_validated_port_ref(mgr, port); + if (!port) + return NULL; + + edid = drm_get_edid(connector, &port->aux.ddc); + drm_dp_put_port(port); + return edid; +} +EXPORT_SYMBOL(drm_dp_mst_get_edid); + +/** + * drm_dp_find_vcpi_slots() - find slots for this PBN value + * @mgr: manager to use + * @pbn: payload bandwidth to convert into slots. + */ +int drm_dp_find_vcpi_slots(struct drm_dp_mst_topology_mgr *mgr, + int pbn) +{ + int num_slots; + + num_slots = DIV_ROUND_UP(pbn, mgr->pbn_div); + + if (num_slots > mgr->avail_slots) + return -ENOSPC; + return num_slots; +} +EXPORT_SYMBOL(drm_dp_find_vcpi_slots); + +static int drm_dp_init_vcpi(struct drm_dp_mst_topology_mgr *mgr, + struct drm_dp_vcpi *vcpi, int pbn) +{ + int num_slots; + int ret; + + num_slots = DIV_ROUND_UP(pbn, mgr->pbn_div); + + if (num_slots > mgr->avail_slots) + return -ENOSPC; + + vcpi->pbn = pbn; + vcpi->aligned_pbn = num_slots * mgr->pbn_div; + vcpi->num_slots = num_slots; + + ret = drm_dp_mst_assign_payload_id(mgr, vcpi); + if (ret < 0) + return ret; + return 0; +} + +/** + * drm_dp_mst_allocate_vcpi() - Allocate a virtual channel + * @mgr: manager for this port + * @port: port to allocate a virtual channel for. + * @pbn: payload bandwidth number to request + * @slots: returned number of slots for this PBN. + */ +bool drm_dp_mst_allocate_vcpi(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port, int pbn, int *slots) +{ + int ret; + + port = drm_dp_get_validated_port_ref(mgr, port); + if (!port) + return false; + + if (port->vcpi.vcpi > 0) { + DRM_DEBUG_KMS("payload: vcpi %d already allocated for pbn %d - requested pbn %d\n", port->vcpi.vcpi, port->vcpi.pbn, pbn); + if (pbn == port->vcpi.pbn) { + *slots = port->vcpi.num_slots; + return true; + } + } + + ret = drm_dp_init_vcpi(mgr, &port->vcpi, pbn); + if (ret) { + DRM_DEBUG_KMS("failed to init vcpi %d %d %d\n", DIV_ROUND_UP(pbn, mgr->pbn_div), mgr->avail_slots, ret); + goto out; + } + DRM_DEBUG_KMS("initing vcpi for %d %d\n", pbn, port->vcpi.num_slots); + *slots = port->vcpi.num_slots; + + drm_dp_put_port(port); + return true; +out: + return false; +} +EXPORT_SYMBOL(drm_dp_mst_allocate_vcpi); + +/** + * drm_dp_mst_reset_vcpi_slots() - Reset number of slots to 0 for VCPI + * @mgr: manager for this port + * @port: unverified pointer to a port. + * + * This just resets the number of slots for the ports VCPI for later programming. + */ +void drm_dp_mst_reset_vcpi_slots(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port) +{ + port = drm_dp_get_validated_port_ref(mgr, port); + if (!port) + return; + port->vcpi.num_slots = 0; + drm_dp_put_port(port); +} +EXPORT_SYMBOL(drm_dp_mst_reset_vcpi_slots); + +/** + * drm_dp_mst_deallocate_vcpi() - deallocate a VCPI + * @mgr: manager for this port + * @port: unverified port to deallocate vcpi for + */ +void drm_dp_mst_deallocate_vcpi(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port) +{ + port = drm_dp_get_validated_port_ref(mgr, port); + if (!port) + return; + + drm_dp_mst_put_payload_id(mgr, port->vcpi.vcpi); + port->vcpi.num_slots = 0; + port->vcpi.pbn = 0; + port->vcpi.aligned_pbn = 0; + port->vcpi.vcpi = 0; + drm_dp_put_port(port); +} +EXPORT_SYMBOL(drm_dp_mst_deallocate_vcpi); + +static int drm_dp_dpcd_write_payload(struct drm_dp_mst_topology_mgr *mgr, + int id, struct drm_dp_payload *payload) +{ + u8 payload_alloc[3], status; + int ret; + int retries = 0; + + drm_dp_dpcd_writeb(mgr->aux, DP_PAYLOAD_TABLE_UPDATE_STATUS, + DP_PAYLOAD_TABLE_UPDATED); + + payload_alloc[0] = id; + payload_alloc[1] = payload->start_slot; + payload_alloc[2] = payload->num_slots; + + ret = drm_dp_dpcd_write(mgr->aux, DP_PAYLOAD_ALLOCATE_SET, payload_alloc, 3); + if (ret != 3) { + DRM_DEBUG_KMS("failed to write payload allocation %d\n", ret); + goto fail; + } + +retry: + ret = drm_dp_dpcd_readb(mgr->aux, DP_PAYLOAD_TABLE_UPDATE_STATUS, &status); + if (ret < 0) { + DRM_DEBUG_KMS("failed to read payload table status %d\n", ret); + goto fail; + } + + if (!(status & DP_PAYLOAD_TABLE_UPDATED)) { + retries++; + if (retries < 20) { + usleep_range(10000, 20000); + goto retry; + } + DRM_DEBUG_KMS("status not set after read payload table status %d\n", status); + ret = -EINVAL; + goto fail; + } + ret = 0; +fail: + return ret; +} + + +/** + * drm_dp_check_act_status() - Check ACT handled status. + * @mgr: manager to use + * + * Check the payload status bits in the DPCD for ACT handled completion. + */ +int drm_dp_check_act_status(struct drm_dp_mst_topology_mgr *mgr) +{ + u8 status; + int ret; + int count = 0; + + do { + ret = drm_dp_dpcd_readb(mgr->aux, DP_PAYLOAD_TABLE_UPDATE_STATUS, &status); + + if (ret < 0) { + DRM_DEBUG_KMS("failed to read payload table status %d\n", ret); + goto fail; + } + + if (status & DP_PAYLOAD_ACT_HANDLED) + break; + count++; + udelay(100); + + } while (count < 30); + + if (!(status & DP_PAYLOAD_ACT_HANDLED)) { + DRM_DEBUG_KMS("failed to get ACT bit %d after %d retries\n", status, count); + ret = -EINVAL; + goto fail; + } + return 0; +fail: + return ret; +} +EXPORT_SYMBOL(drm_dp_check_act_status); + +/** + * drm_dp_calc_pbn_mode() - Calculate the PBN for a mode. + * @clock: dot clock for the mode + * @bpp: bpp for the mode. + * + * This uses the formula in the spec to calculate the PBN value for a mode. + */ +int drm_dp_calc_pbn_mode(int clock, int bpp) +{ + fixed20_12 pix_bw; + fixed20_12 fbpp; + fixed20_12 result; + fixed20_12 margin, tmp; + u32 res; + + pix_bw.full = dfixed_const(clock); + fbpp.full = dfixed_const(bpp); + tmp.full = dfixed_const(8); + fbpp.full = dfixed_div(fbpp, tmp); + + result.full = dfixed_mul(pix_bw, fbpp); + margin.full = dfixed_const(54); + tmp.full = dfixed_const(64); + margin.full = dfixed_div(margin, tmp); + result.full = dfixed_div(result, margin); + + margin.full = dfixed_const(1006); + tmp.full = dfixed_const(1000); + margin.full = dfixed_div(margin, tmp); + result.full = dfixed_mul(result, margin); + + result.full = dfixed_div(result, tmp); + result.full = dfixed_ceil(result); + res = dfixed_trunc(result); + return res; +} +EXPORT_SYMBOL(drm_dp_calc_pbn_mode); + +static int test_calc_pbn_mode(void) +{ + int ret; + ret = drm_dp_calc_pbn_mode(154000, 30); + if (ret != 689) + return -EINVAL; + ret = drm_dp_calc_pbn_mode(234000, 30); + if (ret != 1047) + return -EINVAL; + return 0; +} + +/* we want to kick the TX after we've ack the up/down IRQs. */ +static void drm_dp_mst_kick_tx(struct drm_dp_mst_topology_mgr *mgr) +{ + queue_work(system_long_wq, &mgr->tx_work); +} + +static void drm_dp_mst_dump_mstb(struct seq_file *m, + struct drm_dp_mst_branch *mstb) +{ + struct drm_dp_mst_port *port; + int tabs = mstb->lct; + char prefix[10]; + int i; + + for (i = 0; i < tabs; i++) + prefix[i] = '\t'; + prefix[i] = '\0'; + + seq_printf(m, "%smst: %p, %d\n", prefix, mstb, mstb->num_ports); + list_for_each_entry(port, &mstb->ports, next) { + seq_printf(m, "%sport: %d: ddps: %d ldps: %d, %p, conn: %p\n", prefix, port->port_num, port->ddps, port->ldps, port, port->connector); + if (port->mstb) + drm_dp_mst_dump_mstb(m, port->mstb); + } +} + +static bool dump_dp_payload_table(struct drm_dp_mst_topology_mgr *mgr, + char *buf) +{ + int ret; + int i; + for (i = 0; i < 4; i++) { + ret = drm_dp_dpcd_read(mgr->aux, DP_PAYLOAD_TABLE_UPDATE_STATUS + (i * 16), &buf[i * 16], 16); + if (ret != 16) + break; + } + if (i == 4) + return true; + return false; +} + +/** + * drm_dp_mst_dump_topology(): dump topology to seq file. + * @m: seq_file to dump output to + * @mgr: manager to dump current topology for. + * + * helper to dump MST topology to a seq file for debugfs. + */ +void drm_dp_mst_dump_topology(struct seq_file *m, + struct drm_dp_mst_topology_mgr *mgr) +{ + int i; + struct drm_dp_mst_port *port; + mutex_lock(&mgr->lock); + if (mgr->mst_primary) + drm_dp_mst_dump_mstb(m, mgr->mst_primary); + + /* dump VCPIs */ + mutex_unlock(&mgr->lock); + + mutex_lock(&mgr->payload_lock); + seq_printf(m, "vcpi: %lx\n", mgr->payload_mask); + + for (i = 0; i < mgr->max_payloads; i++) { + if (mgr->proposed_vcpis[i]) { + port = container_of(mgr->proposed_vcpis[i], struct drm_dp_mst_port, vcpi); + seq_printf(m, "vcpi %d: %d %d %d\n", i, port->port_num, port->vcpi.vcpi, port->vcpi.num_slots); + } else + seq_printf(m, "vcpi %d:unsed\n", i); + } + for (i = 0; i < mgr->max_payloads; i++) { + seq_printf(m, "payload %d: %d, %d, %d\n", + i, + mgr->payloads[i].payload_state, + mgr->payloads[i].start_slot, + mgr->payloads[i].num_slots); + + + } + mutex_unlock(&mgr->payload_lock); + + mutex_lock(&mgr->lock); + if (mgr->mst_primary) { + u8 buf[64]; + bool bret; + int ret; + ret = drm_dp_dpcd_read(mgr->aux, DP_DPCD_REV, buf, DP_RECEIVER_CAP_SIZE); + seq_printf(m, "dpcd: "); + for (i = 0; i < DP_RECEIVER_CAP_SIZE; i++) + seq_printf(m, "%02x ", buf[i]); + seq_printf(m, "\n"); + ret = drm_dp_dpcd_read(mgr->aux, DP_FAUX_CAP, buf, 2); + seq_printf(m, "faux/mst: "); + for (i = 0; i < 2; i++) + seq_printf(m, "%02x ", buf[i]); + seq_printf(m, "\n"); + ret = drm_dp_dpcd_read(mgr->aux, DP_MSTM_CTRL, buf, 1); + seq_printf(m, "mst ctrl: "); + for (i = 0; i < 1; i++) + seq_printf(m, "%02x ", buf[i]); + seq_printf(m, "\n"); + + bret = dump_dp_payload_table(mgr, buf); + if (bret == true) { + seq_printf(m, "payload table: "); + for (i = 0; i < 63; i++) + seq_printf(m, "%02x ", buf[i]); + seq_printf(m, "\n"); + } + + } + + mutex_unlock(&mgr->lock); + +} +EXPORT_SYMBOL(drm_dp_mst_dump_topology); + +static void drm_dp_tx_work(struct work_struct *work) +{ + struct drm_dp_mst_topology_mgr *mgr = container_of(work, struct drm_dp_mst_topology_mgr, tx_work); + + mutex_lock(&mgr->qlock); + if (mgr->tx_down_in_progress) + process_single_down_tx_qlock(mgr); + mutex_unlock(&mgr->qlock); +} + +/** + * drm_dp_mst_topology_mgr_init - initialise a topology manager + * @mgr: manager struct to initialise + * @dev: device providing this structure - for i2c addition. + * @aux: DP helper aux channel to talk to this device + * @max_dpcd_transaction_bytes: hw specific DPCD transaction limit + * @max_payloads: maximum number of payloads this GPU can source + * @conn_base_id: the connector object ID the MST device is connected to. + * + * Return 0 for success, or negative error code on failure + */ +int drm_dp_mst_topology_mgr_init(struct drm_dp_mst_topology_mgr *mgr, + struct device *dev, struct drm_dp_aux *aux, + int max_dpcd_transaction_bytes, + int max_payloads, int conn_base_id) +{ + mutex_init(&mgr->lock); + mutex_init(&mgr->qlock); + mutex_init(&mgr->payload_lock); + INIT_LIST_HEAD(&mgr->tx_msg_upq); + INIT_LIST_HEAD(&mgr->tx_msg_downq); + INIT_WORK(&mgr->work, drm_dp_mst_link_probe_work); + INIT_WORK(&mgr->tx_work, drm_dp_tx_work); + init_waitqueue_head(&mgr->tx_waitq); + mgr->dev = dev; + mgr->aux = aux; + mgr->max_dpcd_transaction_bytes = max_dpcd_transaction_bytes; + mgr->max_payloads = max_payloads; + mgr->conn_base_id = conn_base_id; + mgr->payloads = kcalloc(max_payloads, sizeof(struct drm_dp_payload), GFP_KERNEL); + if (!mgr->payloads) + return -ENOMEM; + mgr->proposed_vcpis = kcalloc(max_payloads, sizeof(struct drm_dp_vcpi *), GFP_KERNEL); + if (!mgr->proposed_vcpis) + return -ENOMEM; + set_bit(0, &mgr->payload_mask); + test_calc_pbn_mode(); + return 0; +} +EXPORT_SYMBOL(drm_dp_mst_topology_mgr_init); + +/** + * drm_dp_mst_topology_mgr_destroy() - destroy topology manager. + * @mgr: manager to destroy + */ +void drm_dp_mst_topology_mgr_destroy(struct drm_dp_mst_topology_mgr *mgr) +{ + mutex_lock(&mgr->payload_lock); + kfree(mgr->payloads); + mgr->payloads = NULL; + kfree(mgr->proposed_vcpis); + mgr->proposed_vcpis = NULL; + mutex_unlock(&mgr->payload_lock); + mgr->dev = NULL; + mgr->aux = NULL; +} +EXPORT_SYMBOL(drm_dp_mst_topology_mgr_destroy); + +/* I2C device */ +static int drm_dp_mst_i2c_xfer(struct i2c_adapter *adapter, struct i2c_msg *msgs, + int num) +{ + struct drm_dp_aux *aux = adapter->algo_data; + struct drm_dp_mst_port *port = container_of(aux, struct drm_dp_mst_port, aux); + struct drm_dp_mst_branch *mstb; + struct drm_dp_mst_topology_mgr *mgr = port->mgr; + unsigned int i; + bool reading = false; + struct drm_dp_sideband_msg_req_body msg; + struct drm_dp_sideband_msg_tx *txmsg = NULL; + int ret; + + mstb = drm_dp_get_validated_mstb_ref(mgr, port->parent); + if (!mstb) + return -EREMOTEIO; + + /* construct i2c msg */ + /* see if last msg is a read */ + if (msgs[num - 1].flags & I2C_M_RD) + reading = true; + + if (!reading) { + DRM_DEBUG_KMS("Unsupported I2C transaction for MST device\n"); + ret = -EIO; + goto out; + } + + msg.req_type = DP_REMOTE_I2C_READ; + msg.u.i2c_read.num_transactions = num - 1; + msg.u.i2c_read.port_number = port->port_num; + for (i = 0; i < num - 1; i++) { + msg.u.i2c_read.transactions[i].i2c_dev_id = msgs[i].addr; + msg.u.i2c_read.transactions[i].num_bytes = msgs[i].len; + msg.u.i2c_read.transactions[i].bytes = msgs[i].buf; + } + msg.u.i2c_read.read_i2c_device_id = msgs[num - 1].addr; + msg.u.i2c_read.num_bytes_read = msgs[num - 1].len; + + txmsg = kzalloc(sizeof(*txmsg), GFP_KERNEL); + if (!txmsg) { + ret = -ENOMEM; + goto out; + } + + txmsg->dst = mstb; + drm_dp_encode_sideband_req(&msg, txmsg); + + drm_dp_queue_down_tx(mgr, txmsg); + + ret = drm_dp_mst_wait_tx_reply(mstb, txmsg); + if (ret > 0) { + + if (txmsg->reply.reply_type == 1) { /* got a NAK back */ + ret = -EREMOTEIO; + goto out; + } + if (txmsg->reply.u.remote_i2c_read_ack.num_bytes != msgs[num - 1].len) { + ret = -EIO; + goto out; + } + memcpy(msgs[num - 1].buf, txmsg->reply.u.remote_i2c_read_ack.bytes, msgs[num - 1].len); + ret = num; + } +out: + kfree(txmsg); + drm_dp_put_mst_branch_device(mstb); + return ret; +} + +static u32 drm_dp_mst_i2c_functionality(struct i2c_adapter *adapter) +{ + return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL | + I2C_FUNC_SMBUS_READ_BLOCK_DATA | + I2C_FUNC_SMBUS_BLOCK_PROC_CALL | + I2C_FUNC_10BIT_ADDR; +} + +static const struct i2c_algorithm drm_dp_mst_i2c_algo = { + .functionality = drm_dp_mst_i2c_functionality, + .master_xfer = drm_dp_mst_i2c_xfer, +}; + +/** + * drm_dp_mst_register_i2c_bus() - register an I2C adapter for I2C-over-AUX + * @aux: DisplayPort AUX channel + * + * Returns 0 on success or a negative error code on failure. + */ +static int drm_dp_mst_register_i2c_bus(struct drm_dp_aux *aux) +{ + aux->ddc.algo = &drm_dp_mst_i2c_algo; + aux->ddc.algo_data = aux; + aux->ddc.retries = 3; + + aux->ddc.class = I2C_CLASS_DDC; + aux->ddc.owner = THIS_MODULE; + aux->ddc.dev.parent = aux->dev; + aux->ddc.dev.of_node = aux->dev->of_node; + + strlcpy(aux->ddc.name, aux->name ? aux->name : dev_name(aux->dev), + sizeof(aux->ddc.name)); + + return i2c_add_adapter(&aux->ddc); +} + +/** + * drm_dp_mst_unregister_i2c_bus() - unregister an I2C-over-AUX adapter + * @aux: DisplayPort AUX channel + */ +static void drm_dp_mst_unregister_i2c_bus(struct drm_dp_aux *aux) +{ + i2c_del_adapter(&aux->ddc); +} diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index 8218078b613..0cc182745e3 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -233,7 +233,7 @@ module_exit(drm_core_exit); /** * Copy and IOCTL return string to user space */ -static int drm_copy_field(char *buf, size_t *buf_len, const char *value) +static int drm_copy_field(char __user *buf, size_t *buf_len, const char *value) { int len; diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 58a4a9d20e4..1dbf3bc4c6a 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -3305,6 +3305,7 @@ struct drm_connector *drm_select_eld(struct drm_encoder *encoder, struct drm_device *dev = encoder->dev; WARN_ON(!mutex_is_locked(&dev->mode_config.mutex)); + WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex)); list_for_each_entry(connector, &dev->mode_config.connector_list, head) if (connector->encoder == encoder && connector->eld[0]) diff --git a/drivers/gpu/drm/drm_fb_cma_helper.c b/drivers/gpu/drm/drm_fb_cma_helper.c index f27c883be39..cc0ae047ed3 100644 --- a/drivers/gpu/drm/drm_fb_cma_helper.c +++ b/drivers/gpu/drm/drm_fb_cma_helper.c @@ -327,7 +327,7 @@ err_drm_gem_cma_free_object: return ret; } -static struct drm_fb_helper_funcs drm_fb_cma_helper_funcs = { +static const struct drm_fb_helper_funcs drm_fb_cma_helper_funcs = { .fb_probe = drm_fbdev_cma_create, }; @@ -354,9 +354,10 @@ struct drm_fbdev_cma *drm_fbdev_cma_init(struct drm_device *dev, return ERR_PTR(-ENOMEM); } - fbdev_cma->fb_helper.funcs = &drm_fb_cma_helper_funcs; helper = &fbdev_cma->fb_helper; + drm_fb_helper_prepare(dev, helper, &drm_fb_cma_helper_funcs); + ret = drm_fb_helper_init(dev, helper, num_crtc, max_conn_count); if (ret < 0) { dev_err(dev->dev, "Failed to initialize drm fb helper.\n"); diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index d5d8cea1a67..3144db9dc0f 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -49,10 +49,11 @@ static LIST_HEAD(kernel_fb_helper_list); * helper functions used by many drivers to implement the kernel mode setting * interfaces. * - * Initialization is done as a three-step process with drm_fb_helper_init(), - * drm_fb_helper_single_add_all_connectors() and drm_fb_helper_initial_config(). - * Drivers with fancier requirements than the default behaviour can override the - * second step with their own code. Teardown is done with drm_fb_helper_fini(). + * Initialization is done as a four-step process with drm_fb_helper_prepare(), + * drm_fb_helper_init(), drm_fb_helper_single_add_all_connectors() and + * drm_fb_helper_initial_config(). Drivers with fancier requirements than the + * default behaviour can override the third step with their own code. + * Teardown is done with drm_fb_helper_fini(). * * At runtime drivers should restore the fbdev console by calling * drm_fb_helper_restore_fbdev_mode() from their ->lastclose callback. They @@ -63,6 +64,19 @@ static LIST_HEAD(kernel_fb_helper_list); * * All other functions exported by the fb helper library can be used to * implement the fbdev driver interface by the driver. + * + * It is possible, though perhaps somewhat tricky, to implement race-free + * hotplug detection using the fbdev helpers. The drm_fb_helper_prepare() + * helper must be called first to initialize the minimum required to make + * hotplug detection work. Drivers also need to make sure to properly set up + * the dev->mode_config.funcs member. After calling drm_kms_helper_poll_init() + * it is safe to enable interrupts and start processing hotplug events. At the + * same time, drivers should initialize all modeset objects such as CRTCs, + * encoders and connectors. To finish up the fbdev helper initialization, the + * drm_fb_helper_init() function is called. To probe for all attached displays + * and set up an initial configuration using the detected hardware, drivers + * should call drm_fb_helper_single_add_all_connectors() followed by + * drm_fb_helper_initial_config(). */ /** @@ -105,6 +119,58 @@ fail: } EXPORT_SYMBOL(drm_fb_helper_single_add_all_connectors); +int drm_fb_helper_add_one_connector(struct drm_fb_helper *fb_helper, struct drm_connector *connector) +{ + struct drm_fb_helper_connector **temp; + struct drm_fb_helper_connector *fb_helper_connector; + + WARN_ON(!mutex_is_locked(&fb_helper->dev->mode_config.mutex)); + if (fb_helper->connector_count + 1 > fb_helper->connector_info_alloc_count) { + temp = krealloc(fb_helper->connector_info, sizeof(struct drm_fb_helper_connector) * (fb_helper->connector_count + 1), GFP_KERNEL); + if (!temp) + return -ENOMEM; + + fb_helper->connector_info_alloc_count = fb_helper->connector_count + 1; + fb_helper->connector_info = temp; + } + + + fb_helper_connector = kzalloc(sizeof(struct drm_fb_helper_connector), GFP_KERNEL); + if (!fb_helper_connector) + return -ENOMEM; + + fb_helper_connector->connector = connector; + fb_helper->connector_info[fb_helper->connector_count++] = fb_helper_connector; + return 0; +} +EXPORT_SYMBOL(drm_fb_helper_add_one_connector); + +int drm_fb_helper_remove_one_connector(struct drm_fb_helper *fb_helper, + struct drm_connector *connector) +{ + struct drm_fb_helper_connector *fb_helper_connector; + int i, j; + + WARN_ON(!mutex_is_locked(&fb_helper->dev->mode_config.mutex)); + + for (i = 0; i < fb_helper->connector_count; i++) { + if (fb_helper->connector_info[i]->connector == connector) + break; + } + + if (i == fb_helper->connector_count) + return -EINVAL; + fb_helper_connector = fb_helper->connector_info[i]; + + for (j = i + 1; j < fb_helper->connector_count; j++) { + fb_helper->connector_info[j - 1] = fb_helper->connector_info[j]; + } + fb_helper->connector_count--; + kfree(fb_helper_connector); + return 0; +} +EXPORT_SYMBOL(drm_fb_helper_remove_one_connector); + static int drm_fb_helper_parse_command_line(struct drm_fb_helper *fb_helper) { struct drm_fb_helper_connector *fb_helper_conn; @@ -199,9 +265,6 @@ int drm_fb_helper_debug_enter(struct fb_info *info) struct drm_crtc_helper_funcs *funcs; int i; - if (list_empty(&kernel_fb_helper_list)) - return false; - list_for_each_entry(helper, &kernel_fb_helper_list, kernel_fb_list) { for (i = 0; i < helper->crtc_count; i++) { struct drm_mode_set *mode_set = @@ -531,6 +594,24 @@ static void drm_fb_helper_crtc_free(struct drm_fb_helper *helper) } /** + * drm_fb_helper_prepare - setup a drm_fb_helper structure + * @dev: DRM device + * @helper: driver-allocated fbdev helper structure to set up + * @funcs: pointer to structure of functions associate with this helper + * + * Sets up the bare minimum to make the framebuffer helper usable. This is + * useful to implement race-free initialization of the polling helpers. + */ +void drm_fb_helper_prepare(struct drm_device *dev, struct drm_fb_helper *helper, + const struct drm_fb_helper_funcs *funcs) +{ + INIT_LIST_HEAD(&helper->kernel_fb_list); + helper->funcs = funcs; + helper->dev = dev; +} +EXPORT_SYMBOL(drm_fb_helper_prepare); + +/** * drm_fb_helper_init - initialize a drm_fb_helper structure * @dev: drm device * @fb_helper: driver-allocated fbdev helper structure to initialize @@ -542,8 +623,7 @@ static void drm_fb_helper_crtc_free(struct drm_fb_helper *helper) * nor register the fbdev. This is only done in drm_fb_helper_initial_config() * to allow driver writes more control over the exact init sequence. * - * Drivers must set fb_helper->funcs before calling - * drm_fb_helper_initial_config(). + * Drivers must call drm_fb_helper_prepare() before calling this function. * * RETURNS: * Zero if everything went ok, nonzero otherwise. @@ -558,10 +638,6 @@ int drm_fb_helper_init(struct drm_device *dev, if (!max_conn_count) return -EINVAL; - fb_helper->dev = dev; - - INIT_LIST_HEAD(&fb_helper->kernel_fb_list); - fb_helper->crtc_info = kcalloc(crtc_count, sizeof(struct drm_fb_helper_crtc), GFP_KERNEL); if (!fb_helper->crtc_info) return -ENOMEM; @@ -572,6 +648,7 @@ int drm_fb_helper_init(struct drm_device *dev, kfree(fb_helper->crtc_info); return -ENOMEM; } + fb_helper->connector_info_alloc_count = dev->mode_config.num_connector; fb_helper->connector_count = 0; for (i = 0; i < crtc_count; i++) { @@ -1056,7 +1133,6 @@ void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch, info->fix.ypanstep = 1; /* doing it in hw */ info->fix.ywrapstep = 0; info->fix.accel = FB_ACCEL_NONE; - info->fix.type_aux = 0; info->fix.line_length = pitch; return; @@ -1613,8 +1689,10 @@ EXPORT_SYMBOL(drm_fb_helper_initial_config); * either the output polling work or a work item launched from the driver's * hotplug interrupt). * - * Note that the driver must ensure that this is only called _after_ the fb has - * been fully set up, i.e. after the call to drm_fb_helper_initial_config. + * Note that drivers may call this even before calling + * drm_fb_helper_initial_config but only aftert drm_fb_helper_init. This allows + * for a race-free fbcon setup and will make sure that the fbdev emulation will + * not miss any hotplug events. * * RETURNS: * 0 on success and a non-zero error code otherwise. @@ -1624,11 +1702,8 @@ int drm_fb_helper_hotplug_event(struct drm_fb_helper *fb_helper) struct drm_device *dev = fb_helper->dev; u32 max_width, max_height; - if (!fb_helper->fb) - return 0; - mutex_lock(&fb_helper->dev->mode_config.mutex); - if (!drm_fb_helper_is_bound(fb_helper)) { + if (!fb_helper->fb || !drm_fb_helper_is_bound(fb_helper)) { fb_helper->delayed_hotplug = true; mutex_unlock(&fb_helper->dev->mode_config.mutex); return 0; diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index f7d71190aad..6adee4c2afc 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -441,18 +441,31 @@ EXPORT_SYMBOL(drm_gem_create_mmap_offset); * drm_gem_get_pages - helper to allocate backing pages for a GEM object * from shmem * @obj: obj in question - * @gfpmask: gfp mask of requested pages + * + * This reads the page-array of the shmem-backing storage of the given gem + * object. An array of pages is returned. If a page is not allocated or + * swapped-out, this will allocate/swap-in the required pages. Note that the + * whole object is covered by the page-array and pinned in memory. + * + * Use drm_gem_put_pages() to release the array and unpin all pages. + * + * This uses the GFP-mask set on the shmem-mapping (see mapping_set_gfp_mask()). + * If you require other GFP-masks, you have to do those allocations yourself. + * + * Note that you are not allowed to change gfp-zones during runtime. That is, + * shmem_read_mapping_page_gfp() must be called with the same gfp_zone(gfp) as + * set during initialization. If you have special zone constraints, set them + * after drm_gem_init_object() via mapping_set_gfp_mask(). shmem-core takes care + * to keep pages in the required zone during swap-in. */ -struct page **drm_gem_get_pages(struct drm_gem_object *obj, gfp_t gfpmask) +struct page **drm_gem_get_pages(struct drm_gem_object *obj) { - struct inode *inode; struct address_space *mapping; struct page *p, **pages; int i, npages; /* This is the shared memory object that backs the GEM resource */ - inode = file_inode(obj->filp); - mapping = inode->i_mapping; + mapping = file_inode(obj->filp)->i_mapping; /* We already BUG_ON() for non-page-aligned sizes in * drm_gem_object_init(), so we should never hit this unless @@ -466,10 +479,8 @@ struct page **drm_gem_get_pages(struct drm_gem_object *obj, gfp_t gfpmask) if (pages == NULL) return ERR_PTR(-ENOMEM); - gfpmask |= mapping_gfp_mask(mapping); - for (i = 0; i < npages; i++) { - p = shmem_read_mapping_page_gfp(mapping, i, gfpmask); + p = shmem_read_mapping_page(mapping, i); if (IS_ERR(p)) goto fail; pages[i] = p; @@ -479,7 +490,7 @@ struct page **drm_gem_get_pages(struct drm_gem_object *obj, gfp_t gfpmask) * __GFP_DMA32 to be set in mapping_gfp_mask(inode->i_mapping) * so shmem can relocate pages during swapin if required. */ - BUG_ON((gfpmask & __GFP_DMA32) && + BUG_ON((mapping_gfp_mask(mapping) & __GFP_DMA32) && (page_to_pfn(p) >= 0x00100000UL)); } diff --git a/drivers/gpu/drm/drm_gem_cma_helper.c b/drivers/gpu/drm/drm_gem_cma_helper.c index 05c97c5350a..e467e67af6e 100644 --- a/drivers/gpu/drm/drm_gem_cma_helper.c +++ b/drivers/gpu/drm/drm_gem_cma_helper.c @@ -327,7 +327,7 @@ drm_gem_cma_prime_import_sg_table(struct drm_device *dev, size_t size, /* Create a CMA GEM buffer. */ cma_obj = __drm_gem_cma_create(dev, size); if (IS_ERR(cma_obj)) - return ERR_PTR(PTR_ERR(cma_obj)); + return ERR_CAST(cma_obj); cma_obj->paddr = sg_dma_address(sgt->sgl); cma_obj->sgt = sgt; diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c index 69c61f392e6..ad66f961170 100644 --- a/drivers/gpu/drm/drm_ioctl.c +++ b/drivers/gpu/drm/drm_ioctl.c @@ -342,8 +342,6 @@ drm_setclientcap(struct drm_device *dev, void *data, struct drm_file *file_priv) file_priv->stereo_allowed = req->value; break; case DRM_CLIENT_CAP_UNIVERSAL_PLANES: - if (!drm_universal_planes) - return -EINVAL; if (req->value > 1) return -EINVAL; file_priv->universal_planes = req->value; diff --git a/drivers/gpu/drm/drm_of.c b/drivers/gpu/drm/drm_of.c new file mode 100644 index 00000000000..16150a00c23 --- /dev/null +++ b/drivers/gpu/drm/drm_of.c @@ -0,0 +1,67 @@ +#include <linux/export.h> +#include <linux/list.h> +#include <linux/of_graph.h> +#include <drm/drmP.h> +#include <drm/drm_crtc.h> +#include <drm/drm_of.h> + +/** + * drm_crtc_port_mask - find the mask of a registered CRTC by port OF node + * @dev: DRM device + * @port: port OF node + * + * Given a port OF node, return the possible mask of the corresponding + * CRTC within a device's list of CRTCs. Returns zero if not found. + */ +static uint32_t drm_crtc_port_mask(struct drm_device *dev, + struct device_node *port) +{ + unsigned int index = 0; + struct drm_crtc *tmp; + + list_for_each_entry(tmp, &dev->mode_config.crtc_list, head) { + if (tmp->port == port) + return 1 << index; + + index++; + } + + return 0; +} + +/** + * drm_of_find_possible_crtcs - find the possible CRTCs for an encoder port + * @dev: DRM device + * @port: encoder port to scan for endpoints + * + * Scan all endpoints attached to a port, locate their attached CRTCs, + * and generate the DRM mask of CRTCs which may be attached to this + * encoder. + * + * See Documentation/devicetree/bindings/graph.txt for the bindings. + */ +uint32_t drm_of_find_possible_crtcs(struct drm_device *dev, + struct device_node *port) +{ + struct device_node *remote_port, *ep = NULL; + uint32_t possible_crtcs = 0; + + do { + ep = of_graph_get_next_endpoint(port, ep); + if (!ep) + break; + + remote_port = of_graph_get_remote_port(ep); + if (!remote_port) { + of_node_put(ep); + return 0; + } + + possible_crtcs |= drm_crtc_port_mask(dev, remote_port); + + of_node_put(remote_port); + } while (1); + + return possible_crtcs; +} +EXPORT_SYMBOL(drm_of_find_possible_crtcs); diff --git a/drivers/gpu/drm/drm_plane_helper.c b/drivers/gpu/drm/drm_plane_helper.c index 6d133149cc7..827ec1a3040 100644 --- a/drivers/gpu/drm/drm_plane_helper.c +++ b/drivers/gpu/drm/drm_plane_helper.c @@ -335,9 +335,10 @@ struct drm_plane *drm_primary_helper_create_plane(struct drm_device *dev, } /* possible_crtc's will be filled in later by crtc_init */ - ret = drm_plane_init(dev, primary, 0, &drm_primary_helper_funcs, - formats, num_formats, - DRM_PLANE_TYPE_PRIMARY); + ret = drm_universal_plane_init(dev, primary, 0, + &drm_primary_helper_funcs, + formats, num_formats, + DRM_PLANE_TYPE_PRIMARY); if (ret) { kfree(primary); primary = NULL; diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c index d22676b89cb..db7d250f7ac 100644 --- a/drivers/gpu/drm/drm_probe_helper.c +++ b/drivers/gpu/drm/drm_probe_helper.c @@ -130,7 +130,14 @@ static int drm_helper_probe_single_connector_modes_merge_bits(struct drm_connect count = drm_load_edid_firmware(connector); if (count == 0) #endif - count = (*connector_funcs->get_modes)(connector); + { + if (connector->override_edid) { + struct edid *edid = (struct edid *) connector->edid_blob_ptr->data; + + count = drm_add_edid_modes(connector, edid); + } else + count = (*connector_funcs->get_modes)(connector); + } if (count == 0 && connector->status == connector_status_connected) count = drm_add_modes_noedid(connector, 1024, 768); diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c index 14d16464000..233ea208c9f 100644 --- a/drivers/gpu/drm/drm_stub.c +++ b/drivers/gpu/drm/drm_stub.c @@ -37,18 +37,9 @@ unsigned int drm_debug = 0; /* 1 to enable debug output */ EXPORT_SYMBOL(drm_debug); -unsigned int drm_rnodes = 0; /* 1 to enable experimental render nodes API */ -EXPORT_SYMBOL(drm_rnodes); - -/* 1 to allow user space to request universal planes (experimental) */ -unsigned int drm_universal_planes = 0; -EXPORT_SYMBOL(drm_universal_planes); - unsigned int drm_vblank_offdelay = 5000; /* Default to 5000 msecs. */ -EXPORT_SYMBOL(drm_vblank_offdelay); unsigned int drm_timestamp_precision = 20; /* Default to 20 usecs. */ -EXPORT_SYMBOL(drm_timestamp_precision); /* * Default to use monotonic timestamps for wait-for-vblank and page-flip @@ -60,14 +51,11 @@ MODULE_AUTHOR(CORE_AUTHOR); MODULE_DESCRIPTION(CORE_DESC); MODULE_LICENSE("GPL and additional rights"); MODULE_PARM_DESC(debug, "Enable debug output"); -MODULE_PARM_DESC(rnodes, "Enable experimental render nodes API"); MODULE_PARM_DESC(vblankoffdelay, "Delay until vblank irq auto-disable [msecs]"); MODULE_PARM_DESC(timestamp_precision_usec, "Max. error on timestamps [usecs]"); MODULE_PARM_DESC(timestamp_monotonic, "Use monotonic timestamps"); module_param_named(debug, drm_debug, int, 0600); -module_param_named(rnodes, drm_rnodes, int, 0600); -module_param_named(universal_planes, drm_universal_planes, int, 0600); module_param_named(vblankoffdelay, drm_vblank_offdelay, int, 0600); module_param_named(timestamp_precision_usec, drm_timestamp_precision, int, 0600); module_param_named(timestamp_monotonic, drm_timestamp_monotonic, int, 0600); @@ -588,7 +576,7 @@ struct drm_device *drm_dev_alloc(struct drm_driver *driver, goto err_minors; } - if (drm_core_check_feature(dev, DRIVER_RENDER) && drm_rnodes) { + if (drm_core_check_feature(dev, DRIVER_RENDER)) { ret = drm_minor_alloc(dev, DRM_MINOR_RENDER); if (ret) goto err_minors; diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c index 369b26278e7..7827dad8fcf 100644 --- a/drivers/gpu/drm/drm_sysfs.c +++ b/drivers/gpu/drm/drm_sysfs.c @@ -438,7 +438,6 @@ err_out_files: out: return ret; } -EXPORT_SYMBOL(drm_sysfs_connector_add); /** * drm_sysfs_connector_remove - remove an connector device from sysfs @@ -468,7 +467,6 @@ void drm_sysfs_connector_remove(struct drm_connector *connector) device_unregister(connector->kdev); connector->kdev = NULL; } -EXPORT_SYMBOL(drm_sysfs_connector_remove); /** * drm_sysfs_hotplug_event - generate a DRM uevent diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.c b/drivers/gpu/drm/exynos/exynos_dp_core.c index a8ffc8c1477..86dc69d9eab 100644 --- a/drivers/gpu/drm/exynos/exynos_dp_core.c +++ b/drivers/gpu/drm/exynos/exynos_dp_core.c @@ -1018,7 +1018,7 @@ static int exynos_dp_create_connector(struct exynos_drm_display *display, } drm_connector_helper_add(connector, &exynos_dp_connector_helper_funcs); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); drm_mode_connector_attach_encoder(connector, encoder); return 0; diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.c b/drivers/gpu/drm/exynos/exynos_drm_connector.c index 9a16dbe121d..ba9b3d5ed67 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_connector.c +++ b/drivers/gpu/drm/exynos/exynos_drm_connector.c @@ -117,20 +117,7 @@ static struct drm_encoder *exynos_drm_best_encoder( struct drm_device *dev = connector->dev; struct exynos_drm_connector *exynos_connector = to_exynos_connector(connector); - struct drm_mode_object *obj; - struct drm_encoder *encoder; - - obj = drm_mode_object_find(dev, exynos_connector->encoder_id, - DRM_MODE_OBJECT_ENCODER); - if (!obj) { - DRM_DEBUG_KMS("Unknown ENCODER ID %d\n", - exynos_connector->encoder_id); - return NULL; - } - - encoder = obj_to_encoder(obj); - - return encoder; + return drm_encoder_find(dev, exynos_connector->encoder_id); } static struct drm_connector_helper_funcs exynos_connector_helper_funcs = { @@ -185,7 +172,7 @@ static void exynos_drm_connector_destroy(struct drm_connector *connector) struct exynos_drm_connector *exynos_connector = to_exynos_connector(connector); - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); kfree(exynos_connector); } @@ -230,7 +217,7 @@ struct drm_connector *exynos_drm_connector_create(struct drm_device *dev, drm_connector_init(dev, connector, &exynos_connector_funcs, type); drm_connector_helper_add(connector, &exynos_connector_helper_funcs); - err = drm_sysfs_connector_add(connector); + err = drm_connector_register(connector); if (err) goto err_connector; @@ -250,7 +237,7 @@ struct drm_connector *exynos_drm_connector_create(struct drm_device *dev, return connector; err_sysfs: - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); err_connector: drm_connector_cleanup(connector); kfree(exynos_connector); diff --git a/drivers/gpu/drm/exynos/exynos_drm_dpi.c b/drivers/gpu/drm/exynos/exynos_drm_dpi.c index 9e530f205ad..3aa1c7ebbfc 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dpi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dpi.c @@ -48,7 +48,7 @@ exynos_dpi_detect(struct drm_connector *connector, bool force) static void exynos_dpi_connector_destroy(struct drm_connector *connector) { - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); } @@ -117,7 +117,7 @@ static int exynos_dpi_create_connector(struct exynos_drm_display *display, } drm_connector_helper_add(connector, &exynos_dpi_connector_helper_funcs); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); drm_mode_connector_attach_encoder(connector, encoder); return 0; diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c index ab7d182063c..d82e3cb8a70 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c @@ -39,8 +39,6 @@ #define DRIVER_MAJOR 1 #define DRIVER_MINOR 0 -#define VBLANK_OFF_DELAY 50000 - static struct platform_device *exynos_drm_pdev; static DEFINE_MUTEX(drm_component_lock); @@ -103,8 +101,6 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags) /* setup possible_clones. */ exynos_drm_encoder_setup(dev); - drm_vblank_offdelay = VBLANK_OFF_DELAY; - platform_set_drvdata(dev->platformdev, dev); /* Try to bind all sub drivers. */ diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h index 06cde450627..02f3b3dcb9f 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -40,8 +40,6 @@ struct drm_device; struct exynos_drm_overlay; struct drm_connector; -extern unsigned int drm_vblank_offdelay; - /* This enumerates device type. */ enum exynos_drm_device_type { EXYNOS_DEVICE_TYPE_NONE, diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c index 6302aa64f6c..2df3592166d 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c @@ -1246,7 +1246,7 @@ static int exynos_dsi_create_connector(struct exynos_drm_display *display, } drm_connector_helper_add(connector, &exynos_dsi_connector_helper_funcs); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); drm_mode_connector_attach_encoder(connector, encoder); return 0; diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c index d771b467cf0..32e63f60e1d 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c @@ -225,7 +225,7 @@ out: return ret; } -static struct drm_fb_helper_funcs exynos_drm_fb_helper_funcs = { +static const struct drm_fb_helper_funcs exynos_drm_fb_helper_funcs = { .fb_probe = exynos_drm_fbdev_create, }; @@ -266,7 +266,8 @@ int exynos_drm_fbdev_init(struct drm_device *dev) return -ENOMEM; private->fb_helper = helper = &fbdev->drm_fb_helper; - helper->funcs = &exynos_drm_fb_helper_funcs; + + drm_fb_helper_prepare(dev, helper, &exynos_drm_fb_helper_funcs); num_crtc = dev->mode_config.num_crtc; diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c index 2fb8705d646..9528d81d800 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c @@ -562,7 +562,7 @@ static int vidi_create_connector(struct exynos_drm_display *display, } drm_connector_helper_add(connector, &vidi_connector_helper_funcs); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); drm_mode_connector_attach_encoder(connector, encoder); return 0; diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index aa259b0a873..81df11d5767 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -1129,7 +1129,7 @@ static int hdmi_create_connector(struct exynos_drm_display *display, } drm_connector_helper_add(connector, &hdmi_connector_helper_funcs); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); drm_mode_connector_attach_encoder(connector, encoder); return 0; diff --git a/drivers/gpu/drm/gma500/cdv_intel_crt.c b/drivers/gpu/drm/gma500/cdv_intel_crt.c index c18268cd516..248c33a35eb 100644 --- a/drivers/gpu/drm/gma500/cdv_intel_crt.c +++ b/drivers/gpu/drm/gma500/cdv_intel_crt.c @@ -192,7 +192,7 @@ static void cdv_intel_crt_destroy(struct drm_connector *connector) struct gma_encoder *gma_encoder = gma_attached_encoder(connector); psb_intel_i2c_destroy(gma_encoder->ddc_bus); - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); kfree(connector); } @@ -304,7 +304,7 @@ void cdv_intel_crt_init(struct drm_device *dev, drm_connector_helper_add(connector, &cdv_intel_crt_connector_helper_funcs); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); return; failed_ddc: diff --git a/drivers/gpu/drm/gma500/cdv_intel_dp.c b/drivers/gpu/drm/gma500/cdv_intel_dp.c index 9ff30c2efad..a4cc0e60a1b 100644 --- a/drivers/gpu/drm/gma500/cdv_intel_dp.c +++ b/drivers/gpu/drm/gma500/cdv_intel_dp.c @@ -1713,7 +1713,7 @@ cdv_intel_dp_destroy(struct drm_connector *connector) } } i2c_del_adapter(&intel_dp->adapter); - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); kfree(connector); } @@ -1847,7 +1847,7 @@ cdv_intel_dp_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev connector->interlace_allowed = false; connector->doublescan_allowed = false; - drm_sysfs_connector_add(connector); + drm_connector_register(connector); /* Set up the DDC bus. */ switch (output_reg) { diff --git a/drivers/gpu/drm/gma500/cdv_intel_hdmi.c b/drivers/gpu/drm/gma500/cdv_intel_hdmi.c index b99084b3f70..4268bf21003 100644 --- a/drivers/gpu/drm/gma500/cdv_intel_hdmi.c +++ b/drivers/gpu/drm/gma500/cdv_intel_hdmi.c @@ -248,7 +248,7 @@ static void cdv_hdmi_destroy(struct drm_connector *connector) if (gma_encoder->i2c_bus) psb_intel_i2c_destroy(gma_encoder->i2c_bus); - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); kfree(connector); } @@ -356,7 +356,7 @@ void cdv_hdmi_init(struct drm_device *dev, hdmi_priv->hdmi_i2c_adapter = &(gma_encoder->i2c_bus->adapter); hdmi_priv->dev = dev; - drm_sysfs_connector_add(connector); + drm_connector_register(connector); return; failed_ddc: diff --git a/drivers/gpu/drm/gma500/cdv_intel_lvds.c b/drivers/gpu/drm/gma500/cdv_intel_lvds.c index 8ecc920fc26..0b770396548 100644 --- a/drivers/gpu/drm/gma500/cdv_intel_lvds.c +++ b/drivers/gpu/drm/gma500/cdv_intel_lvds.c @@ -446,7 +446,7 @@ static void cdv_intel_lvds_destroy(struct drm_connector *connector) if (gma_encoder->i2c_bus) psb_intel_i2c_destroy(gma_encoder->i2c_bus); - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); kfree(connector); } @@ -774,7 +774,7 @@ void cdv_intel_lvds_init(struct drm_device *dev, out: mutex_unlock(&dev->mode_config.mutex); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); return; failed_find: diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c index e7fcc148f33..d0dd3bea8aa 100644 --- a/drivers/gpu/drm/gma500/framebuffer.c +++ b/drivers/gpu/drm/gma500/framebuffer.c @@ -561,7 +561,7 @@ static int psbfb_probe(struct drm_fb_helper *helper, return psbfb_create(psb_fbdev, sizes); } -static struct drm_fb_helper_funcs psb_fb_helper_funcs = { +static const struct drm_fb_helper_funcs psb_fb_helper_funcs = { .gamma_set = psbfb_gamma_set, .gamma_get = psbfb_gamma_get, .fb_probe = psbfb_probe, @@ -600,7 +600,8 @@ int psb_fbdev_init(struct drm_device *dev) } dev_priv->fbdev = fbdev; - fbdev->psb_fb_helper.funcs = &psb_fb_helper_funcs; + + drm_fb_helper_prepare(dev, &fbdev->psb_fb_helper, &psb_fb_helper_funcs); drm_fb_helper_init(dev, &fbdev->psb_fb_helper, dev_priv->ops->crtcs, INTELFB_CONN_LIMIT); diff --git a/drivers/gpu/drm/gma500/gtt.c b/drivers/gpu/drm/gma500/gtt.c index 592d205a008..ce015db59dc 100644 --- a/drivers/gpu/drm/gma500/gtt.c +++ b/drivers/gpu/drm/gma500/gtt.c @@ -206,7 +206,7 @@ static int psb_gtt_attach_pages(struct gtt_range *gt) WARN_ON(gt->pages); - pages = drm_gem_get_pages(>->gem, 0); + pages = drm_gem_get_pages(>->gem); if (IS_ERR(pages)) return PTR_ERR(pages); diff --git a/drivers/gpu/drm/gma500/mdfld_dsi_output.c b/drivers/gpu/drm/gma500/mdfld_dsi_output.c index 6e91b20ce2e..abf2248da61 100644 --- a/drivers/gpu/drm/gma500/mdfld_dsi_output.c +++ b/drivers/gpu/drm/gma500/mdfld_dsi_output.c @@ -318,7 +318,7 @@ static void mdfld_dsi_connector_destroy(struct drm_connector *connector) if (!dsi_connector) return; - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); sender = dsi_connector->pkg_sender; mdfld_dsi_pkg_sender_destroy(sender); @@ -597,7 +597,7 @@ void mdfld_dsi_output_init(struct drm_device *dev, dsi_config->encoder = encoder; encoder->base.type = (pipe == 0) ? INTEL_OUTPUT_MIPI : INTEL_OUTPUT_MIPI2; - drm_sysfs_connector_add(connector); + drm_connector_register(connector); return; /*TODO: add code to destroy outputs on error*/ diff --git a/drivers/gpu/drm/gma500/oaktrail_hdmi.c b/drivers/gpu/drm/gma500/oaktrail_hdmi.c index cf018ddcc5a..e6f5c620a0a 100644 --- a/drivers/gpu/drm/gma500/oaktrail_hdmi.c +++ b/drivers/gpu/drm/gma500/oaktrail_hdmi.c @@ -665,7 +665,7 @@ void oaktrail_hdmi_init(struct drm_device *dev, connector->display_info.subpixel_order = SubPixelHorizontalRGB; connector->interlace_allowed = false; connector->doublescan_allowed = false; - drm_sysfs_connector_add(connector); + drm_connector_register(connector); dev_info(dev->dev, "HDMI initialised.\n"); return; diff --git a/drivers/gpu/drm/gma500/oaktrail_lvds.c b/drivers/gpu/drm/gma500/oaktrail_lvds.c index 9b099468a5d..0d39da6e8b7 100644 --- a/drivers/gpu/drm/gma500/oaktrail_lvds.c +++ b/drivers/gpu/drm/gma500/oaktrail_lvds.c @@ -404,7 +404,7 @@ void oaktrail_lvds_init(struct drm_device *dev, out: mutex_unlock(&dev->mode_config.mutex); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); return; failed_find: diff --git a/drivers/gpu/drm/gma500/psb_intel_lvds.c b/drivers/gpu/drm/gma500/psb_intel_lvds.c index d7778d0472c..88aad95bde0 100644 --- a/drivers/gpu/drm/gma500/psb_intel_lvds.c +++ b/drivers/gpu/drm/gma500/psb_intel_lvds.c @@ -563,7 +563,7 @@ void psb_intel_lvds_destroy(struct drm_connector *connector) if (lvds_priv->ddc_bus) psb_intel_i2c_destroy(lvds_priv->ddc_bus); - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); kfree(connector); } @@ -829,7 +829,7 @@ void psb_intel_lvds_init(struct drm_device *dev, */ out: mutex_unlock(&dev->mode_config.mutex); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); return; failed_find: diff --git a/drivers/gpu/drm/gma500/psb_intel_sdvo.c b/drivers/gpu/drm/gma500/psb_intel_sdvo.c index deeb0829b12..0be96fdb5e2 100644 --- a/drivers/gpu/drm/gma500/psb_intel_sdvo.c +++ b/drivers/gpu/drm/gma500/psb_intel_sdvo.c @@ -1682,7 +1682,7 @@ static void psb_intel_sdvo_destroy(struct drm_connector *connector) psb_intel_sdvo_connector->tv_format); psb_intel_sdvo_destroy_enhance_property(connector); - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); kfree(connector); } @@ -2071,7 +2071,7 @@ psb_intel_sdvo_connector_init(struct psb_intel_sdvo_connector *connector, connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB; gma_connector_attach_encoder(&connector->base, &encoder->base); - drm_sysfs_connector_add(&connector->base.base); + drm_connector_register(&connector->base.base); } static void diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c index ac357b02bd3..a8f1e03bd1f 100644 --- a/drivers/gpu/drm/i2c/tda998x_drv.c +++ b/drivers/gpu/drm/i2c/tda998x_drv.c @@ -1196,8 +1196,7 @@ tda998x_encoder_destroy(struct drm_encoder *encoder) if (priv->hdmi->irq) free_irq(priv->hdmi->irq, priv); - if (priv->cec) - i2c_unregister_device(priv->cec); + i2c_unregister_device(priv->cec); drm_i2c_encoder_destroy(encoder); kfree(priv); } diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index cad1683d8bb..91bd167e1cb 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -59,6 +59,7 @@ i915-y += dvo_ch7017.o \ intel_crt.o \ intel_ddi.o \ intel_dp.o \ + intel_dp_mst.o \ intel_dsi_cmd.o \ intel_dsi.o \ intel_dsi_pll.o \ diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 652464c1f0e..9e737b771c4 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -2216,13 +2216,15 @@ static void intel_connector_info(struct seq_file *m, seq_printf(m, "\tCEA rev: %d\n", connector->display_info.cea_rev); } - if (intel_encoder->type == INTEL_OUTPUT_DISPLAYPORT || - intel_encoder->type == INTEL_OUTPUT_EDP) - intel_dp_info(m, intel_connector); - else if (intel_encoder->type == INTEL_OUTPUT_HDMI) - intel_hdmi_info(m, intel_connector); - else if (intel_encoder->type == INTEL_OUTPUT_LVDS) - intel_lvds_info(m, intel_connector); + if (intel_encoder) { + if (intel_encoder->type == INTEL_OUTPUT_DISPLAYPORT || + intel_encoder->type == INTEL_OUTPUT_EDP) + intel_dp_info(m, intel_connector); + else if (intel_encoder->type == INTEL_OUTPUT_HDMI) + intel_hdmi_info(m, intel_connector); + else if (intel_encoder->type == INTEL_OUTPUT_LVDS) + intel_lvds_info(m, intel_connector); + } seq_printf(m, "\tmodes:\n"); list_for_each_entry(mode, &connector->modes, head) @@ -2410,6 +2412,28 @@ struct pipe_crc_info { enum pipe pipe; }; +static int i915_dp_mst_info(struct seq_file *m, void *unused) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + struct drm_encoder *encoder; + struct intel_encoder *intel_encoder; + struct intel_digital_port *intel_dig_port; + drm_modeset_lock_all(dev); + list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { + intel_encoder = to_intel_encoder(encoder); + if (intel_encoder->type != INTEL_OUTPUT_DISPLAYPORT) + continue; + intel_dig_port = enc_to_dig_port(encoder); + if (!intel_dig_port->dp.can_mst) + continue; + + drm_dp_mst_dump_topology(m, &intel_dig_port->dp.mst_mgr); + } + drm_modeset_unlock_all(dev); + return 0; +} + static int i915_pipe_crc_open(struct inode *inode, struct file *filep) { struct pipe_crc_info *info = inode->i_private; @@ -3911,6 +3935,7 @@ static const struct drm_info_list i915_debugfs_list[] = { {"i915_display_info", i915_display_info, 0}, {"i915_semaphore_status", i915_semaphore_status, 0}, {"i915_shared_dplls_info", i915_shared_dplls_info, 0}, + {"i915_dp_mst_info", i915_dp_mst_info, 0}, }; #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list) diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index f510c34a1cf..b0b03b62d09 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1379,9 +1379,6 @@ static int i915_load_modeset_init(struct drm_device *dev) */ intel_fbdev_initial_config(dev); - /* Only enable hotplug handling once the fbdev is fully set up. */ - dev_priv->enable_hotplug_processing = true; - drm_kms_helper_poll_init(dev); return 0; @@ -1730,6 +1727,13 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) goto out_mtrrfree; } + dev_priv->dp_wq = alloc_ordered_workqueue("i915-dp", 0); + if (dev_priv->dp_wq == NULL) { + DRM_ERROR("Failed to create our dp workqueue.\n"); + ret = -ENOMEM; + goto out_freewq; + } + intel_irq_init(dev); intel_uncore_sanitize(dev); @@ -1805,6 +1809,8 @@ out_gem_unload: intel_teardown_gmbus(dev); intel_teardown_mchbar(dev); pm_qos_remove_request(&dev_priv->pm_qos); + destroy_workqueue(dev_priv->dp_wq); +out_freewq: destroy_workqueue(dev_priv->wq); out_mtrrfree: arch_phys_wc_del(dev_priv->gtt.mtrr); @@ -1905,6 +1911,7 @@ int i915_driver_unload(struct drm_device *dev) intel_teardown_gmbus(dev); intel_teardown_mchbar(dev); + destroy_workqueue(dev_priv->dp_wq); destroy_workqueue(dev_priv->wq); pm_qos_remove_request(&dev_priv->pm_qos); diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 387279602fd..6c4b25ce8bb 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -520,13 +520,6 @@ static int i915_drm_freeze(struct drm_device *dev) return error; } - flush_delayed_work(&dev_priv->rps.delayed_resume_work); - - intel_runtime_pm_disable_interrupts(dev); - dev_priv->enable_hotplug_processing = false; - - intel_suspend_gt_powersave(dev); - /* * Disable CRTCs directly since we want to preserve sw state * for _thaw. Also, power gate the CRTC power wells. @@ -536,6 +529,14 @@ static int i915_drm_freeze(struct drm_device *dev) intel_crtc_control(crtc, false); drm_modeset_unlock_all(dev); + intel_dp_mst_suspend(dev); + + flush_delayed_work(&dev_priv->rps.delayed_resume_work); + + intel_runtime_pm_disable_interrupts(dev); + + intel_suspend_gt_powersave(dev); + intel_modeset_suspend_hw(dev); } @@ -650,6 +651,15 @@ static int __i915_drm_thaw(struct drm_device *dev, bool restore_gtt_mappings) intel_modeset_init_hw(dev); + { + unsigned long irqflags; + spin_lock_irqsave(&dev_priv->irq_lock, irqflags); + if (dev_priv->display.hpd_irq_setup) + dev_priv->display.hpd_irq_setup(dev); + spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags); + } + + intel_dp_mst_resume(dev); drm_modeset_lock_all(dev); intel_modeset_setup_hw_state(dev, true); drm_modeset_unlock_all(dev); @@ -661,7 +671,6 @@ static int __i915_drm_thaw(struct drm_device *dev, bool restore_gtt_mappings) * notifications. * */ intel_hpd_init(dev); - dev_priv->enable_hotplug_processing = true; /* Config may have changed between suspend and resume */ drm_helper_hpd_irq_event(dev); } diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 12ab3201ee1..f4832b77052 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1446,7 +1446,6 @@ struct drm_i915_private { u32 pipestat_irq_mask[I915_MAX_PIPES]; struct work_struct hotplug_work; - bool enable_hotplug_processing; struct { unsigned long hpd_last_jiffies; int hpd_cnt; @@ -1604,6 +1603,15 @@ struct drm_i915_private { u32 short_hpd_port_mask; struct work_struct dig_port_work; + /* + * if we get a HPD irq from DP and a HPD irq from non-DP + * the non-DP HPD could block the workqueue on a mode config + * mutex getting, that userspace may have taken. However + * userspace is waiting on the DP workqueue to run which is + * blocked behind the non-DP one. + */ + struct workqueue_struct *dp_wq; + /* Old dri1 support infrastructure, beware the dragons ya fools entering * here! */ struct i915_dri1_state dri1; diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 6cdaecf0990..b55b2b9075b 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -1156,10 +1156,6 @@ static void i915_hotplug_work_func(struct work_struct *work) bool changed = false; u32 hpd_event_bits; - /* HPD irq before everything is fully set up. */ - if (!dev_priv->enable_hotplug_processing) - return; - mutex_lock(&mode_config->mutex); DRM_DEBUG_KMS("running encoder hotplug functions\n"); @@ -1169,6 +1165,8 @@ static void i915_hotplug_work_func(struct work_struct *work) dev_priv->hpd_event_bits = 0; list_for_each_entry(connector, &mode_config->connector_list, head) { intel_connector = to_intel_connector(connector); + if (!intel_connector->encoder) + continue; intel_encoder = intel_connector->encoder; if (intel_encoder->hpd_pin > HPD_NONE && dev_priv->hpd_stats[intel_encoder->hpd_pin].hpd_mark == HPD_MARK_DISABLED && @@ -1199,6 +1197,8 @@ static void i915_hotplug_work_func(struct work_struct *work) list_for_each_entry(connector, &mode_config->connector_list, head) { intel_connector = to_intel_connector(connector); + if (!intel_connector->encoder) + continue; intel_encoder = intel_connector->encoder; if (hpd_event_bits & (1 << intel_encoder->hpd_pin)) { if (intel_encoder->hot_plug) @@ -1846,7 +1846,7 @@ static inline void intel_hpd_irq_handler(struct drm_device *dev, * deadlock. */ if (queue_dig) - schedule_work(&dev_priv->dig_port_work); + queue_work(dev_priv->dp_wq, &dev_priv->dig_port_work); if (queue_hp) schedule_work(&dev_priv->hotplug_work); } @@ -4759,7 +4759,9 @@ void intel_hpd_init(struct drm_device *dev) list_for_each_entry(connector, &mode_config->connector_list, head) { struct intel_connector *intel_connector = to_intel_connector(connector); connector->polled = intel_connector->polled; - if (!connector->polled && I915_HAS_HOTPLUG(dev) && intel_connector->encoder->hpd_pin > HPD_NONE) + if (connector->encoder && !connector->polled && I915_HAS_HOTPLUG(dev) && intel_connector->encoder->hpd_pin > HPD_NONE) + connector->polled = DRM_CONNECTOR_POLL_HPD; + if (intel_connector->mst_port) connector->polled = DRM_CONNECTOR_POLL_HPD; } diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 503da23b6c3..66dc39fb53c 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -5821,6 +5821,7 @@ enum punit_power_well { #define TRANS_DDI_EDP_INPUT_A_ONOFF (4<<12) #define TRANS_DDI_EDP_INPUT_B_ONOFF (5<<12) #define TRANS_DDI_EDP_INPUT_C_ONOFF (6<<12) +#define TRANS_DDI_DP_VC_PAYLOAD_ALLOC (1<<8) #define TRANS_DDI_BFI_ENABLE (1<<4) /* DisplayPort Transport Control */ @@ -5830,6 +5831,7 @@ enum punit_power_well { #define DP_TP_CTL_ENABLE (1<<31) #define DP_TP_CTL_MODE_SST (0<<27) #define DP_TP_CTL_MODE_MST (1<<27) +#define DP_TP_CTL_FORCE_ACT (1<<25) #define DP_TP_CTL_ENHANCED_FRAME_ENABLE (1<<18) #define DP_TP_CTL_FDI_AUTOTRAIN (1<<15) #define DP_TP_CTL_LINK_TRAIN_MASK (7<<8) @@ -5844,8 +5846,13 @@ enum punit_power_well { #define DP_TP_STATUS_A 0x64044 #define DP_TP_STATUS_B 0x64144 #define DP_TP_STATUS(port) _PORT(port, DP_TP_STATUS_A, DP_TP_STATUS_B) -#define DP_TP_STATUS_IDLE_DONE (1<<25) -#define DP_TP_STATUS_AUTOTRAIN_DONE (1<<12) +#define DP_TP_STATUS_IDLE_DONE (1<<25) +#define DP_TP_STATUS_ACT_SENT (1<<24) +#define DP_TP_STATUS_MODE_STATUS_MST (1<<23) +#define DP_TP_STATUS_AUTOTRAIN_DONE (1<<12) +#define DP_TP_STATUS_PAYLOAD_MAPPING_VC2 (3 << 8) +#define DP_TP_STATUS_PAYLOAD_MAPPING_VC1 (3 << 4) +#define DP_TP_STATUS_PAYLOAD_MAPPING_VC0 (3 << 0) /* DDI Buffer Control */ #define DDI_BUF_CTL_A 0x64000 diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index 133573c0adf..2efaf8e8d9c 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -895,7 +895,7 @@ void intel_crt_init(struct drm_device *dev) drm_connector_helper_add(connector, &intel_crt_connector_helper_funcs); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); if (!I915_HAS_HOTPLUG(dev)) intel_connector->polled = DRM_CONNECTOR_POLL_CONNECT; diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 8f36750379c..18489066cfe 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -116,7 +116,10 @@ enum port intel_ddi_get_encoder_port(struct intel_encoder *intel_encoder) struct drm_encoder *encoder = &intel_encoder->base; int type = intel_encoder->type; - if (type == INTEL_OUTPUT_DISPLAYPORT || type == INTEL_OUTPUT_EDP || + if (type == INTEL_OUTPUT_DP_MST) { + struct intel_digital_port *intel_dig_port = enc_to_mst(encoder)->primary; + return intel_dig_port->port; + } else if (type == INTEL_OUTPUT_DISPLAYPORT || type == INTEL_OUTPUT_EDP || type == INTEL_OUTPUT_HDMI || type == INTEL_OUTPUT_UNKNOWN) { struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder); @@ -365,6 +368,18 @@ void hsw_fdi_link_train(struct drm_crtc *crtc) DRM_ERROR("FDI link training failed!\n"); } +void intel_ddi_init_dp_buf_reg(struct intel_encoder *encoder) +{ + struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base); + struct intel_digital_port *intel_dig_port = + enc_to_dig_port(&encoder->base); + + intel_dp->DP = intel_dig_port->saved_port_bits | + DDI_BUF_CTL_ENABLE | DDI_BUF_EMP_400MV_0DB_HSW; + intel_dp->DP |= DDI_PORT_WIDTH(intel_dp->lane_count); + +} + static struct intel_encoder * intel_ddi_get_crtc_encoder(struct drm_crtc *crtc) { @@ -572,8 +587,8 @@ static int intel_ddi_calc_wrpll_link(struct drm_i915_private *dev_priv, return (refclk * n * 100) / (p * r); } -static void intel_ddi_clock_get(struct intel_encoder *encoder, - struct intel_crtc_config *pipe_config) +void intel_ddi_clock_get(struct intel_encoder *encoder, + struct intel_crtc_config *pipe_config) { struct drm_i915_private *dev_priv = encoder->base.dev->dev_private; int link_clock = 0; @@ -743,8 +758,7 @@ void intel_ddi_set_pipe_settings(struct drm_crtc *crtc) int type = intel_encoder->type; uint32_t temp; - if (type == INTEL_OUTPUT_DISPLAYPORT || type == INTEL_OUTPUT_EDP) { - + if (type == INTEL_OUTPUT_DISPLAYPORT || type == INTEL_OUTPUT_EDP || type == INTEL_OUTPUT_DP_MST) { temp = TRANS_MSA_SYNC_CLK; switch (intel_crtc->config.pipe_bpp) { case 18: @@ -766,6 +780,21 @@ void intel_ddi_set_pipe_settings(struct drm_crtc *crtc) } } +void intel_ddi_set_vc_payload_alloc(struct drm_crtc *crtc, bool state) +{ + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + struct drm_device *dev = crtc->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + enum transcoder cpu_transcoder = intel_crtc->config.cpu_transcoder; + uint32_t temp; + temp = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder)); + if (state == true) + temp |= TRANS_DDI_DP_VC_PAYLOAD_ALLOC; + else + temp &= ~TRANS_DDI_DP_VC_PAYLOAD_ALLOC; + I915_WRITE(TRANS_DDI_FUNC_CTL(cpu_transcoder), temp); +} + void intel_ddi_enable_transcoder_func(struct drm_crtc *crtc) { struct intel_crtc *intel_crtc = to_intel_crtc(crtc); @@ -845,7 +874,19 @@ void intel_ddi_enable_transcoder_func(struct drm_crtc *crtc) type == INTEL_OUTPUT_EDP) { struct intel_dp *intel_dp = enc_to_intel_dp(encoder); - temp |= TRANS_DDI_MODE_SELECT_DP_SST; + if (intel_dp->is_mst) { + temp |= TRANS_DDI_MODE_SELECT_DP_MST; + } else + temp |= TRANS_DDI_MODE_SELECT_DP_SST; + + temp |= DDI_PORT_WIDTH(intel_dp->lane_count); + } else if (type == INTEL_OUTPUT_DP_MST) { + struct intel_dp *intel_dp = &enc_to_mst(encoder)->primary->dp; + + if (intel_dp->is_mst) { + temp |= TRANS_DDI_MODE_SELECT_DP_MST; + } else + temp |= TRANS_DDI_MODE_SELECT_DP_SST; temp |= DDI_PORT_WIDTH(intel_dp->lane_count); } else { @@ -862,7 +903,7 @@ void intel_ddi_disable_transcoder_func(struct drm_i915_private *dev_priv, uint32_t reg = TRANS_DDI_FUNC_CTL(cpu_transcoder); uint32_t val = I915_READ(reg); - val &= ~(TRANS_DDI_FUNC_ENABLE | TRANS_DDI_PORT_MASK); + val &= ~(TRANS_DDI_FUNC_ENABLE | TRANS_DDI_PORT_MASK | TRANS_DDI_DP_VC_PAYLOAD_ALLOC); val |= TRANS_DDI_PORT_NONE; I915_WRITE(reg, val); } @@ -901,8 +942,11 @@ bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector) case TRANS_DDI_MODE_SELECT_DP_SST: if (type == DRM_MODE_CONNECTOR_eDP) return true; - case TRANS_DDI_MODE_SELECT_DP_MST: return (type == DRM_MODE_CONNECTOR_DisplayPort); + case TRANS_DDI_MODE_SELECT_DP_MST: + /* if the transcoder is in MST state then + * connector isn't connected */ + return false; case TRANS_DDI_MODE_SELECT_FDI: return (type == DRM_MODE_CONNECTOR_VGA); @@ -954,6 +998,9 @@ bool intel_ddi_get_hw_state(struct intel_encoder *encoder, if ((tmp & TRANS_DDI_PORT_MASK) == TRANS_DDI_SELECT_PORT(port)) { + if ((tmp & TRANS_DDI_MODE_SELECT_MASK) == TRANS_DDI_MODE_SELECT_DP_MST) + return false; + *pipe = i; return true; } @@ -1015,12 +1062,8 @@ static void intel_ddi_pre_enable(struct intel_encoder *intel_encoder) if (type == INTEL_OUTPUT_DISPLAYPORT || type == INTEL_OUTPUT_EDP) { struct intel_dp *intel_dp = enc_to_intel_dp(encoder); - struct intel_digital_port *intel_dig_port = - enc_to_dig_port(encoder); - intel_dp->DP = intel_dig_port->saved_port_bits | - DDI_BUF_CTL_ENABLE | DDI_BUF_EMP_400MV_0DB_HSW; - intel_dp->DP |= DDI_PORT_WIDTH(intel_dp->lane_count); + intel_ddi_init_dp_buf_reg(intel_encoder); intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON); intel_dp_start_link_train(intel_dp); @@ -1264,10 +1307,15 @@ void intel_ddi_prepare_link_retrain(struct drm_encoder *encoder) intel_wait_ddi_buf_idle(dev_priv, port); } - val = DP_TP_CTL_ENABLE | DP_TP_CTL_MODE_SST | + val = DP_TP_CTL_ENABLE | DP_TP_CTL_LINK_TRAIN_PAT1 | DP_TP_CTL_SCRAMBLE_DISABLE; - if (drm_dp_enhanced_frame_cap(intel_dp->dpcd)) - val |= DP_TP_CTL_ENHANCED_FRAME_ENABLE; + if (intel_dp->is_mst) + val |= DP_TP_CTL_MODE_MST; + else { + val |= DP_TP_CTL_MODE_SST; + if (drm_dp_enhanced_frame_cap(intel_dp->dpcd)) + val |= DP_TP_CTL_ENHANCED_FRAME_ENABLE; + } I915_WRITE(DP_TP_CTL(port), val); POSTING_READ(DP_TP_CTL(port)); @@ -1306,11 +1354,16 @@ void intel_ddi_fdi_disable(struct drm_crtc *crtc) static void intel_ddi_hot_plug(struct intel_encoder *intel_encoder) { - struct intel_dp *intel_dp = enc_to_intel_dp(&intel_encoder->base); - int type = intel_encoder->type; + struct intel_digital_port *intel_dig_port = enc_to_dig_port(&intel_encoder->base); + int type = intel_dig_port->base.type; + + if (type != INTEL_OUTPUT_DISPLAYPORT && + type != INTEL_OUTPUT_EDP && + type != INTEL_OUTPUT_UNKNOWN) { + return; + } - if (type == INTEL_OUTPUT_DISPLAYPORT || type == INTEL_OUTPUT_EDP) - intel_dp_check_link_status(intel_dp); + intel_dp_hot_plug(intel_encoder); } void intel_ddi_get_config(struct intel_encoder *encoder, diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 1389d8a30f0..0f861301a94 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -101,6 +101,14 @@ static void haswell_set_pipeconf(struct drm_crtc *crtc); static void intel_set_pipe_csc(struct drm_crtc *crtc); static void vlv_prepare_pll(struct intel_crtc *crtc); +static struct intel_encoder *intel_find_encoder(struct intel_connector *connector, int pipe) +{ + if (!connector->mst_port) + return connector->encoder; + else + return &connector->mst_port->mst_encoders[pipe]->base; +} + typedef struct { int min, max; } intel_range_t; @@ -4130,6 +4138,9 @@ static void haswell_crtc_enable(struct drm_crtc *crtc) if (intel_crtc->config.has_pch_encoder) lpt_pch_enable(crtc); + if (intel_crtc->config.dp_encoder_is_mst) + intel_ddi_set_vc_payload_alloc(crtc, true); + for_each_encoder_on_crtc(dev, crtc, encoder) { encoder->enable(encoder); intel_opregion_notify_encoder(encoder, true); @@ -4178,6 +4189,9 @@ static void ironlake_crtc_disable(struct drm_crtc *crtc) intel_disable_pipe(dev_priv, pipe); + if (intel_crtc->config.dp_encoder_is_mst) + intel_ddi_set_vc_payload_alloc(crtc, false); + ironlake_pfit_disable(intel_crtc); for_each_encoder_on_crtc(dev, crtc, encoder) @@ -4300,6 +4314,27 @@ static void i9xx_pfit_enable(struct intel_crtc *crtc) I915_WRITE(BCLRPAT(crtc->pipe), 0); } +static enum intel_display_power_domain port_to_power_domain(enum port port) +{ + switch (port) { + case PORT_A: + return POWER_DOMAIN_PORT_DDI_A_4_LANES; + case PORT_B: + return POWER_DOMAIN_PORT_DDI_B_4_LANES; + case PORT_C: + return POWER_DOMAIN_PORT_DDI_C_4_LANES; + case PORT_D: + return POWER_DOMAIN_PORT_DDI_D_4_LANES; + default: + WARN_ON_ONCE(1); + return POWER_DOMAIN_PORT_OTHER; + } +} + +#define for_each_power_domain(domain, mask) \ + for ((domain) = 0; (domain) < POWER_DOMAIN_NUM; (domain)++) \ + if ((1 << (domain)) & (mask)) + enum intel_display_power_domain intel_display_port_power_domain(struct intel_encoder *intel_encoder) { @@ -4314,19 +4349,10 @@ intel_display_port_power_domain(struct intel_encoder *intel_encoder) case INTEL_OUTPUT_HDMI: case INTEL_OUTPUT_EDP: intel_dig_port = enc_to_dig_port(&intel_encoder->base); - switch (intel_dig_port->port) { - case PORT_A: - return POWER_DOMAIN_PORT_DDI_A_4_LANES; - case PORT_B: - return POWER_DOMAIN_PORT_DDI_B_4_LANES; - case PORT_C: - return POWER_DOMAIN_PORT_DDI_C_4_LANES; - case PORT_D: - return POWER_DOMAIN_PORT_DDI_D_4_LANES; - default: - WARN_ON_ONCE(1); - return POWER_DOMAIN_PORT_OTHER; - } + return port_to_power_domain(intel_dig_port->port); + case INTEL_OUTPUT_DP_MST: + intel_dig_port = enc_to_mst(&intel_encoder->base)->primary; + return port_to_power_domain(intel_dig_port->port); case INTEL_OUTPUT_ANALOG: return POWER_DOMAIN_PORT_CRT; case INTEL_OUTPUT_DSI: @@ -4990,24 +5016,31 @@ static void intel_connector_check_state(struct intel_connector *connector) connector->base.base.id, connector->base.name); + /* there is no real hw state for MST connectors */ + if (connector->mst_port) + return; + WARN(connector->base.dpms == DRM_MODE_DPMS_OFF, "wrong connector dpms state\n"); WARN(connector->base.encoder != &encoder->base, "active connector not linked to encoder\n"); - WARN(!encoder->connectors_active, - "encoder->connectors_active not set\n"); - encoder_enabled = encoder->get_hw_state(encoder, &pipe); - WARN(!encoder_enabled, "encoder not enabled\n"); - if (WARN_ON(!encoder->base.crtc)) - return; + if (encoder) { + WARN(!encoder->connectors_active, + "encoder->connectors_active not set\n"); + + encoder_enabled = encoder->get_hw_state(encoder, &pipe); + WARN(!encoder_enabled, "encoder not enabled\n"); + if (WARN_ON(!encoder->base.crtc)) + return; - crtc = encoder->base.crtc; + crtc = encoder->base.crtc; - WARN(!crtc->enabled, "crtc not enabled\n"); - WARN(!to_intel_crtc(crtc)->active, "crtc not active\n"); - WARN(pipe != to_intel_crtc(crtc)->pipe, - "encoder active on the wrong pipe\n"); + WARN(!crtc->enabled, "crtc not enabled\n"); + WARN(!to_intel_crtc(crtc)->active, "crtc not active\n"); + WARN(pipe != to_intel_crtc(crtc)->pipe, + "encoder active on the wrong pipe\n"); + } } } @@ -10508,6 +10541,14 @@ check_encoder_state(struct drm_device *dev) if (connector->base.dpms != DRM_MODE_DPMS_OFF) active = true; } + /* + * for MST connectors if we unplug the connector is gone + * away but the encoder is still connected to a crtc + * until a modeset happens in response to the hotplug. + */ + if (!enabled && encoder->base.encoder_type == DRM_MODE_ENCODER_DPMST) + continue; + WARN(!!encoder->base.crtc != enabled, "encoder's enabled state mismatch " "(expected %i, found %i)\n", @@ -11053,7 +11094,7 @@ intel_modeset_stage_output_state(struct drm_device *dev, * for them. */ for (ro = 0; ro < set->num_connectors; ro++) { if (set->connectors[ro] == &connector->base) { - connector->new_encoder = connector->encoder; + connector->new_encoder = intel_find_encoder(connector, to_intel_crtc(set->crtc)->pipe); break; } } @@ -11099,7 +11140,7 @@ intel_modeset_stage_output_state(struct drm_device *dev, new_crtc)) { return -EINVAL; } - connector->encoder->new_crtc = to_intel_crtc(new_crtc); + connector->new_encoder->new_crtc = to_intel_crtc(new_crtc); DRM_DEBUG_KMS("[CONNECTOR:%d:%s] to [CRTC:%d]\n", connector->base.base.id, @@ -11133,7 +11174,12 @@ intel_modeset_stage_output_state(struct drm_device *dev, } } /* Now we've also updated encoder->new_crtc for all encoders. */ - + list_for_each_entry(connector, &dev->mode_config.connector_list, + base.head) { + if (connector->new_encoder) + if (connector->new_encoder != connector->encoder) + connector->encoder = connector->new_encoder; + } for_each_intel_crtc(dev, crtc) { crtc->new_enabled = false; @@ -11784,21 +11830,20 @@ int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data, struct drm_file *file) { struct drm_i915_get_pipe_from_crtc_id *pipe_from_crtc_id = data; - struct drm_mode_object *drmmode_obj; + struct drm_crtc *drmmode_crtc; struct intel_crtc *crtc; if (!drm_core_check_feature(dev, DRIVER_MODESET)) return -ENODEV; - drmmode_obj = drm_mode_object_find(dev, pipe_from_crtc_id->crtc_id, - DRM_MODE_OBJECT_CRTC); + drmmode_crtc = drm_crtc_find(dev, pipe_from_crtc_id->crtc_id); - if (!drmmode_obj) { + if (!drmmode_crtc) { DRM_ERROR("no such CRTC id\n"); return -ENOENT; } - crtc = to_intel_crtc(obj_to_crtc(drmmode_obj)); + crtc = to_intel_crtc(drmmode_crtc); pipe_from_crtc_id->pipe = crtc->pipe; return 0; @@ -13031,7 +13076,7 @@ void intel_connector_unregister(struct intel_connector *intel_connector) struct drm_connector *connector = &intel_connector->base; intel_panel_destroy_backlight(connector); - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); } void intel_modeset_cleanup(struct drm_device *dev) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 9274ddfd78c..0f05b88a75e 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -112,7 +112,7 @@ static void intel_dp_link_down(struct intel_dp *intel_dp); static bool _edp_panel_vdd_on(struct intel_dp *intel_dp); static void edp_panel_vdd_off(struct intel_dp *intel_dp, bool sync); -static int +int intel_dp_max_link_bw(struct intel_dp *intel_dp) { int max_link_bw = intel_dp->dpcd[DP_MAX_LINK_RATE]; @@ -740,8 +740,9 @@ intel_dp_connector_unregister(struct intel_connector *intel_connector) { struct intel_dp *intel_dp = intel_attached_dp(&intel_connector->base); - sysfs_remove_link(&intel_connector->base.kdev->kobj, - intel_dp->aux.ddc.dev.kobj.name); + if (!intel_connector->mst_port) + sysfs_remove_link(&intel_connector->base.kdev->kobj, + intel_dp->aux.ddc.dev.kobj.name); intel_connector_unregister(intel_connector); } @@ -3348,6 +3349,33 @@ intel_dp_probe_oui(struct intel_dp *intel_dp) edp_panel_vdd_off(intel_dp, false); } +static bool +intel_dp_probe_mst(struct intel_dp *intel_dp) +{ + u8 buf[1]; + + if (!intel_dp->can_mst) + return false; + + if (intel_dp->dpcd[DP_DPCD_REV] < 0x12) + return false; + + _edp_panel_vdd_on(intel_dp); + if (intel_dp_dpcd_read_wake(&intel_dp->aux, DP_MSTM_CAP, buf, 1)) { + if (buf[0] & DP_MST_CAP) { + DRM_DEBUG_KMS("Sink is MST capable\n"); + intel_dp->is_mst = true; + } else { + DRM_DEBUG_KMS("Sink is not MST capable\n"); + intel_dp->is_mst = false; + } + } + edp_panel_vdd_off(intel_dp, false); + + drm_dp_mst_topology_mgr_set_mst(&intel_dp->mst_mgr, intel_dp->is_mst); + return intel_dp->is_mst; +} + int intel_dp_sink_crc(struct intel_dp *intel_dp, u8 *crc) { struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp); @@ -3385,6 +3413,20 @@ intel_dp_get_sink_irq(struct intel_dp *intel_dp, u8 *sink_irq_vector) sink_irq_vector, 1) == 1; } +static bool +intel_dp_get_sink_irq_esi(struct intel_dp *intel_dp, u8 *sink_irq_vector) +{ + int ret; + + ret = intel_dp_dpcd_read_wake(&intel_dp->aux, + DP_SINK_COUNT_ESI, + sink_irq_vector, 14); + if (ret != 14) + return false; + + return true; +} + static void intel_dp_handle_test_request(struct intel_dp *intel_dp) { @@ -3392,6 +3434,63 @@ intel_dp_handle_test_request(struct intel_dp *intel_dp) drm_dp_dpcd_writeb(&intel_dp->aux, DP_TEST_RESPONSE, DP_TEST_NAK); } +static int +intel_dp_check_mst_status(struct intel_dp *intel_dp) +{ + bool bret; + + if (intel_dp->is_mst) { + u8 esi[16] = { 0 }; + int ret = 0; + int retry; + bool handled; + bret = intel_dp_get_sink_irq_esi(intel_dp, esi); +go_again: + if (bret == true) { + + /* check link status - esi[10] = 0x200c */ + if (intel_dp->active_mst_links && !drm_dp_channel_eq_ok(&esi[10], intel_dp->lane_count)) { + DRM_DEBUG_KMS("channel EQ not ok, retraining\n"); + intel_dp_start_link_train(intel_dp); + intel_dp_complete_link_train(intel_dp); + intel_dp_stop_link_train(intel_dp); + } + + DRM_DEBUG_KMS("got esi %02x %02x %02x\n", esi[0], esi[1], esi[2]); + ret = drm_dp_mst_hpd_irq(&intel_dp->mst_mgr, esi, &handled); + + if (handled) { + for (retry = 0; retry < 3; retry++) { + int wret; + wret = drm_dp_dpcd_write(&intel_dp->aux, + DP_SINK_COUNT_ESI+1, + &esi[1], 3); + if (wret == 3) { + break; + } + } + + bret = intel_dp_get_sink_irq_esi(intel_dp, esi); + if (bret == true) { + DRM_DEBUG_KMS("got esi2 %02x %02x %02x\n", esi[0], esi[1], esi[2]); + goto go_again; + } + } else + ret = 0; + + return ret; + } else { + struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp); + DRM_DEBUG_KMS("failed to get ESI - device may have failed\n"); + intel_dp->is_mst = false; + drm_dp_mst_topology_mgr_set_mst(&intel_dp->mst_mgr, intel_dp->is_mst); + /* send a hotplug event */ + drm_kms_helper_hotplug_event(intel_dig_port->base.base.dev); + } + } + return -EINVAL; +} + /* * According to DP spec * 5.1.2: @@ -3400,7 +3499,6 @@ intel_dp_handle_test_request(struct intel_dp *intel_dp) * 3. Use Link Training from 2.5.3.3 and 3.5.1.3 * 4. Check link status on receipt of hot-plug interrupt */ - void intel_dp_check_link_status(struct intel_dp *intel_dp) { @@ -3620,6 +3718,7 @@ intel_dp_detect(struct drm_connector *connector, bool force) enum drm_connector_status status; enum intel_display_power_domain power_domain; struct edid *edid = NULL; + bool ret; power_domain = intel_display_port_power_domain(intel_encoder); intel_display_power_get(dev_priv, power_domain); @@ -3627,6 +3726,14 @@ intel_dp_detect(struct drm_connector *connector, bool force) DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", connector->base.id, connector->name); + if (intel_dp->is_mst) { + /* MST devices are disconnected from a monitor POV */ + if (intel_encoder->type != INTEL_OUTPUT_EDP) + intel_encoder->type = INTEL_OUTPUT_DISPLAYPORT; + status = connector_status_disconnected; + goto out; + } + intel_dp->has_audio = false; if (HAS_PCH_SPLIT(dev)) @@ -3639,6 +3746,16 @@ intel_dp_detect(struct drm_connector *connector, bool force) intel_dp_probe_oui(intel_dp); + ret = intel_dp_probe_mst(intel_dp); + if (ret) { + /* if we are in MST mode then this connector + won't appear connected or have anything with EDID on it */ + if (intel_encoder->type != INTEL_OUTPUT_EDP) + intel_encoder->type = INTEL_OUTPUT_DISPLAYPORT; + status = connector_status_disconnected; + goto out; + } + if (intel_dp->force_audio != HDMI_AUDIO_AUTO) { intel_dp->has_audio = (intel_dp->force_audio == HDMI_AUDIO_ON); } else { @@ -3831,6 +3948,7 @@ void intel_dp_encoder_destroy(struct drm_encoder *encoder) struct drm_device *dev = intel_dp_to_dev(intel_dp); drm_dp_aux_unregister(&intel_dp->aux); + intel_dp_mst_encoder_cleanup(intel_dig_port); drm_encoder_cleanup(encoder); if (is_edp(intel_dp)) { cancel_delayed_work_sync(&intel_dp->panel_vdd_work); @@ -3859,28 +3977,62 @@ static const struct drm_encoder_funcs intel_dp_enc_funcs = { .destroy = intel_dp_encoder_destroy, }; -static void +void intel_dp_hot_plug(struct intel_encoder *intel_encoder) { - struct intel_dp *intel_dp = enc_to_intel_dp(&intel_encoder->base); - - intel_dp_check_link_status(intel_dp); + return; } bool intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd) { struct intel_dp *intel_dp = &intel_dig_port->dp; + struct drm_device *dev = intel_dig_port->base.base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; + int ret; + if (intel_dig_port->base.type != INTEL_OUTPUT_EDP) + intel_dig_port->base.type = INTEL_OUTPUT_DISPLAYPORT; - if (long_hpd) - return true; + DRM_DEBUG_KMS("got hpd irq on port %d - %s\n", intel_dig_port->port, + long_hpd ? "long" : "short"); - /* - * we'll check the link status via the normal hot plug path later - - * but for short hpds we should check it now - */ - intel_dp_check_link_status(intel_dp); + if (long_hpd) { + if (!ibx_digital_port_connected(dev_priv, intel_dig_port)) + goto mst_fail; + + if (!intel_dp_get_dpcd(intel_dp)) { + goto mst_fail; + } + + intel_dp_probe_oui(intel_dp); + + if (!intel_dp_probe_mst(intel_dp)) + goto mst_fail; + + } else { + if (intel_dp->is_mst) { + ret = intel_dp_check_mst_status(intel_dp); + if (ret == -EINVAL) + goto mst_fail; + } + + if (!intel_dp->is_mst) { + /* + * we'll check the link status via the normal hot plug path later - + * but for short hpds we should check it now + */ + intel_dp_check_link_status(intel_dp); + } + } return false; +mst_fail: + /* if we were in MST mode, and device is not there get out of MST mode */ + if (intel_dp->is_mst) { + DRM_DEBUG_KMS("MST device may have disappeared %d vs %d\n", intel_dp->is_mst, intel_dp->mst_mgr.mst_state); + intel_dp->is_mst = false; + drm_dp_mst_topology_mgr_set_mst(&intel_dp->mst_mgr, intel_dp->is_mst); + } + return true; } /* Return which DP Port should be selected for Transcoder DP control */ @@ -3931,7 +4083,7 @@ bool intel_dp_is_edp(struct drm_device *dev, enum port port) return false; } -static void +void intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connector) { struct intel_connector *intel_connector = to_intel_connector(connector); @@ -4397,7 +4549,7 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port, edp_panel_vdd_work); intel_connector_attach_encoder(intel_connector, intel_encoder); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); if (HAS_DDI(dev)) intel_connector->get_hw_state = intel_ddi_connector_get_hw_state; @@ -4430,6 +4582,13 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port, intel_dp_aux_init(intel_dp, intel_connector); + /* init MST on ports that can support it */ + if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { + if (port == PORT_B || port == PORT_C || port == PORT_D) { + intel_dp_mst_encoder_init(intel_dig_port, intel_connector->base.base.id); + } + } + if (!intel_edp_init_connector(intel_dp, intel_connector, &power_seq)) { drm_dp_aux_unregister(&intel_dp->aux); if (is_edp(intel_dp)) { @@ -4438,7 +4597,7 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port, edp_panel_vdd_off_sync(intel_dp); drm_modeset_unlock(&dev->mode_config.connection_mutex); } - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); return false; } @@ -4526,3 +4685,46 @@ intel_dp_init(struct drm_device *dev, int output_reg, enum port port) kfree(intel_connector); } } + +void intel_dp_mst_suspend(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + int i; + + /* disable MST */ + for (i = 0; i < I915_MAX_PORTS; i++) { + struct intel_digital_port *intel_dig_port = dev_priv->hpd_irq_port[i]; + if (!intel_dig_port) + continue; + + if (intel_dig_port->base.type == INTEL_OUTPUT_DISPLAYPORT) { + if (!intel_dig_port->dp.can_mst) + continue; + if (intel_dig_port->dp.is_mst) + drm_dp_mst_topology_mgr_suspend(&intel_dig_port->dp.mst_mgr); + } + } +} + +void intel_dp_mst_resume(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + int i; + + for (i = 0; i < I915_MAX_PORTS; i++) { + struct intel_digital_port *intel_dig_port = dev_priv->hpd_irq_port[i]; + if (!intel_dig_port) + continue; + if (intel_dig_port->base.type == INTEL_OUTPUT_DISPLAYPORT) { + int ret; + + if (!intel_dig_port->dp.can_mst) + continue; + + ret = drm_dp_mst_topology_mgr_resume(&intel_dig_port->dp.mst_mgr); + if (ret != 0) { + intel_dp_check_mst_status(&intel_dig_port->dp); + } + } + } +} diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c new file mode 100644 index 00000000000..d9a7a7865f6 --- /dev/null +++ b/drivers/gpu/drm/i915/intel_dp_mst.c @@ -0,0 +1,548 @@ +/* + * Copyright © 2008 Intel Corporation + * 2014 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + */ + +#include <drm/drmP.h> +#include "i915_drv.h" +#include "intel_drv.h" +#include <drm/drm_crtc_helper.h> +#include <drm/drm_edid.h> + +static bool intel_dp_mst_compute_config(struct intel_encoder *encoder, + struct intel_crtc_config *pipe_config) +{ + struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base); + struct intel_digital_port *intel_dig_port = intel_mst->primary; + struct intel_dp *intel_dp = &intel_dig_port->dp; + struct drm_device *dev = encoder->base.dev; + int bpp; + int lane_count, slots; + struct drm_display_mode *adjusted_mode = &pipe_config->adjusted_mode; + struct intel_connector *found = NULL, *intel_connector; + int mst_pbn; + + pipe_config->dp_encoder_is_mst = true; + pipe_config->has_pch_encoder = false; + pipe_config->has_dp_encoder = true; + bpp = 24; + /* + * for MST we always configure max link bw - the spec doesn't + * seem to suggest we should do otherwise. + */ + lane_count = drm_dp_max_lane_count(intel_dp->dpcd); + intel_dp->link_bw = intel_dp_max_link_bw(intel_dp); + intel_dp->lane_count = lane_count; + + pipe_config->pipe_bpp = 24; + pipe_config->port_clock = drm_dp_bw_code_to_link_rate(intel_dp->link_bw); + + list_for_each_entry(intel_connector, &dev->mode_config.connector_list, base.head) { + if (intel_connector->new_encoder == encoder) { + found = intel_connector; + break; + } + } + + if (!found) { + DRM_ERROR("can't find connector\n"); + return false; + } + + mst_pbn = drm_dp_calc_pbn_mode(adjusted_mode->clock, bpp); + + pipe_config->pbn = mst_pbn; + slots = drm_dp_find_vcpi_slots(&intel_dp->mst_mgr, mst_pbn); + + intel_link_compute_m_n(bpp, lane_count, + adjusted_mode->crtc_clock, + pipe_config->port_clock, + &pipe_config->dp_m_n); + + pipe_config->dp_m_n.tu = slots; + return true; + +} + +static void intel_mst_disable_dp(struct intel_encoder *encoder) +{ + struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base); + struct intel_digital_port *intel_dig_port = intel_mst->primary; + struct intel_dp *intel_dp = &intel_dig_port->dp; + int ret; + + DRM_DEBUG_KMS("%d\n", intel_dp->active_mst_links); + + drm_dp_mst_reset_vcpi_slots(&intel_dp->mst_mgr, intel_mst->port); + + ret = drm_dp_update_payload_part1(&intel_dp->mst_mgr); + if (ret) { + DRM_ERROR("failed to update payload %d\n", ret); + } +} + +static void intel_mst_post_disable_dp(struct intel_encoder *encoder) +{ + struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base); + struct intel_digital_port *intel_dig_port = intel_mst->primary; + struct intel_dp *intel_dp = &intel_dig_port->dp; + + DRM_DEBUG_KMS("%d\n", intel_dp->active_mst_links); + + /* this can fail */ + drm_dp_check_act_status(&intel_dp->mst_mgr); + /* and this can also fail */ + drm_dp_update_payload_part2(&intel_dp->mst_mgr); + + drm_dp_mst_deallocate_vcpi(&intel_dp->mst_mgr, intel_mst->port); + + intel_dp->active_mst_links--; + intel_mst->port = NULL; + if (intel_dp->active_mst_links == 0) { + intel_dig_port->base.post_disable(&intel_dig_port->base); + intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_OFF); + } +} + +static void intel_mst_pre_enable_dp(struct intel_encoder *encoder) +{ + struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base); + struct intel_digital_port *intel_dig_port = intel_mst->primary; + struct intel_dp *intel_dp = &intel_dig_port->dp; + struct drm_device *dev = encoder->base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; + enum port port = intel_dig_port->port; + int ret; + uint32_t temp; + struct intel_connector *found = NULL, *intel_connector; + int slots; + struct drm_crtc *crtc = encoder->base.crtc; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + + list_for_each_entry(intel_connector, &dev->mode_config.connector_list, base.head) { + if (intel_connector->new_encoder == encoder) { + found = intel_connector; + break; + } + } + + if (!found) { + DRM_ERROR("can't find connector\n"); + return; + } + + DRM_DEBUG_KMS("%d\n", intel_dp->active_mst_links); + intel_mst->port = found->port; + + if (intel_dp->active_mst_links == 0) { + enum port port = intel_ddi_get_encoder_port(encoder); + + I915_WRITE(PORT_CLK_SEL(port), intel_crtc->config.ddi_pll_sel); + + intel_ddi_init_dp_buf_reg(&intel_dig_port->base); + + intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON); + + + intel_dp_start_link_train(intel_dp); + intel_dp_complete_link_train(intel_dp); + intel_dp_stop_link_train(intel_dp); + } + + ret = drm_dp_mst_allocate_vcpi(&intel_dp->mst_mgr, + intel_mst->port, intel_crtc->config.pbn, &slots); + if (ret == false) { + DRM_ERROR("failed to allocate vcpi\n"); + return; + } + + + intel_dp->active_mst_links++; + temp = I915_READ(DP_TP_STATUS(port)); + I915_WRITE(DP_TP_STATUS(port), temp); + + ret = drm_dp_update_payload_part1(&intel_dp->mst_mgr); +} + +static void intel_mst_enable_dp(struct intel_encoder *encoder) +{ + struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base); + struct intel_digital_port *intel_dig_port = intel_mst->primary; + struct intel_dp *intel_dp = &intel_dig_port->dp; + struct drm_device *dev = intel_dig_port->base.base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; + enum port port = intel_dig_port->port; + int ret; + + DRM_DEBUG_KMS("%d\n", intel_dp->active_mst_links); + + if (wait_for((I915_READ(DP_TP_STATUS(port)) & DP_TP_STATUS_ACT_SENT), + 1)) + DRM_ERROR("Timed out waiting for ACT sent\n"); + + ret = drm_dp_check_act_status(&intel_dp->mst_mgr); + + ret = drm_dp_update_payload_part2(&intel_dp->mst_mgr); +} + +static bool intel_dp_mst_enc_get_hw_state(struct intel_encoder *encoder, + enum pipe *pipe) +{ + struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base); + *pipe = intel_mst->pipe; + if (intel_mst->port) + return true; + return false; +} + +static void intel_dp_mst_enc_get_config(struct intel_encoder *encoder, + struct intel_crtc_config *pipe_config) +{ + struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base); + struct intel_digital_port *intel_dig_port = intel_mst->primary; + struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc); + struct drm_device *dev = encoder->base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; + enum transcoder cpu_transcoder = crtc->config.cpu_transcoder; + u32 temp, flags = 0; + + pipe_config->has_dp_encoder = true; + + temp = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder)); + if (temp & TRANS_DDI_PHSYNC) + flags |= DRM_MODE_FLAG_PHSYNC; + else + flags |= DRM_MODE_FLAG_NHSYNC; + if (temp & TRANS_DDI_PVSYNC) + flags |= DRM_MODE_FLAG_PVSYNC; + else + flags |= DRM_MODE_FLAG_NVSYNC; + + switch (temp & TRANS_DDI_BPC_MASK) { + case TRANS_DDI_BPC_6: + pipe_config->pipe_bpp = 18; + break; + case TRANS_DDI_BPC_8: + pipe_config->pipe_bpp = 24; + break; + case TRANS_DDI_BPC_10: + pipe_config->pipe_bpp = 30; + break; + case TRANS_DDI_BPC_12: + pipe_config->pipe_bpp = 36; + break; + default: + break; + } + pipe_config->adjusted_mode.flags |= flags; + intel_dp_get_m_n(crtc, pipe_config); + + intel_ddi_clock_get(&intel_dig_port->base, pipe_config); +} + +static int intel_dp_mst_get_ddc_modes(struct drm_connector *connector) +{ + struct intel_connector *intel_connector = to_intel_connector(connector); + struct intel_dp *intel_dp = intel_connector->mst_port; + struct edid *edid; + int ret; + + edid = drm_dp_mst_get_edid(connector, &intel_dp->mst_mgr, intel_connector->port); + if (!edid) + return 0; + + ret = intel_connector_update_modes(connector, edid); + kfree(edid); + + return ret; +} + +static enum drm_connector_status +intel_mst_port_dp_detect(struct drm_connector *connector) +{ + struct intel_connector *intel_connector = to_intel_connector(connector); + struct intel_dp *intel_dp = intel_connector->mst_port; + + return drm_dp_mst_detect_port(&intel_dp->mst_mgr, intel_connector->port); +} + +static enum drm_connector_status +intel_dp_mst_detect(struct drm_connector *connector, bool force) +{ + enum drm_connector_status status; + status = intel_mst_port_dp_detect(connector); + return status; +} + +static int +intel_dp_mst_set_property(struct drm_connector *connector, + struct drm_property *property, + uint64_t val) +{ + return 0; +} + +static void +intel_dp_mst_connector_destroy(struct drm_connector *connector) +{ + struct intel_connector *intel_connector = to_intel_connector(connector); + + if (!IS_ERR_OR_NULL(intel_connector->edid)) + kfree(intel_connector->edid); + + drm_connector_cleanup(connector); + kfree(connector); +} + +static const struct drm_connector_funcs intel_dp_mst_connector_funcs = { + .dpms = intel_connector_dpms, + .detect = intel_dp_mst_detect, + .fill_modes = drm_helper_probe_single_connector_modes, + .set_property = intel_dp_mst_set_property, + .destroy = intel_dp_mst_connector_destroy, +}; + +static int intel_dp_mst_get_modes(struct drm_connector *connector) +{ + return intel_dp_mst_get_ddc_modes(connector); +} + +static enum drm_mode_status +intel_dp_mst_mode_valid(struct drm_connector *connector, + struct drm_display_mode *mode) +{ + /* TODO - validate mode against available PBN for link */ + if (mode->clock < 10000) + return MODE_CLOCK_LOW; + + if (mode->flags & DRM_MODE_FLAG_DBLCLK) + return MODE_H_ILLEGAL; + + return MODE_OK; +} + +static struct drm_encoder *intel_mst_best_encoder(struct drm_connector *connector) +{ + struct intel_connector *intel_connector = to_intel_connector(connector); + struct intel_dp *intel_dp = intel_connector->mst_port; + return &intel_dp->mst_encoders[0]->base.base; +} + +static const struct drm_connector_helper_funcs intel_dp_mst_connector_helper_funcs = { + .get_modes = intel_dp_mst_get_modes, + .mode_valid = intel_dp_mst_mode_valid, + .best_encoder = intel_mst_best_encoder, +}; + +static void intel_dp_mst_encoder_destroy(struct drm_encoder *encoder) +{ + struct intel_dp_mst_encoder *intel_mst = enc_to_mst(encoder); + + drm_encoder_cleanup(encoder); + kfree(intel_mst); +} + +static const struct drm_encoder_funcs intel_dp_mst_enc_funcs = { + .destroy = intel_dp_mst_encoder_destroy, +}; + +static bool intel_dp_mst_get_hw_state(struct intel_connector *connector) +{ + if (connector->encoder) { + enum pipe pipe; + if (!connector->encoder->get_hw_state(connector->encoder, &pipe)) + return false; + return true; + } + return false; +} + +static void intel_connector_add_to_fbdev(struct intel_connector *connector) +{ +#ifdef CONFIG_DRM_I915_FBDEV + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + drm_fb_helper_add_one_connector(&dev_priv->fbdev->helper, &connector->base); +#endif +} + +static void intel_connector_remove_from_fbdev(struct intel_connector *connector) +{ +#ifdef CONFIG_DRM_I915_FBDEV + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + drm_fb_helper_remove_one_connector(&dev_priv->fbdev->helper, &connector->base); +#endif +} + +static struct drm_connector *intel_dp_add_mst_connector(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port, char *pathprop) +{ + struct intel_dp *intel_dp = container_of(mgr, struct intel_dp, mst_mgr); + struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp); + struct drm_device *dev = intel_dig_port->base.base.dev; + struct intel_connector *intel_connector; + struct drm_connector *connector; + int i; + + intel_connector = kzalloc(sizeof(*intel_connector), GFP_KERNEL); + if (!intel_connector) + return NULL; + + connector = &intel_connector->base; + drm_connector_init(dev, connector, &intel_dp_mst_connector_funcs, DRM_MODE_CONNECTOR_DisplayPort); + drm_connector_helper_add(connector, &intel_dp_mst_connector_helper_funcs); + + intel_connector->unregister = intel_connector_unregister; + intel_connector->get_hw_state = intel_dp_mst_get_hw_state; + intel_connector->mst_port = intel_dp; + intel_connector->port = port; + + for (i = PIPE_A; i <= PIPE_C; i++) { + drm_mode_connector_attach_encoder(&intel_connector->base, + &intel_dp->mst_encoders[i]->base.base); + } + intel_dp_add_properties(intel_dp, connector); + + drm_object_attach_property(&connector->base, dev->mode_config.path_property, 0); + drm_mode_connector_set_path_property(connector, pathprop); + drm_reinit_primary_mode_group(dev); + mutex_lock(&dev->mode_config.mutex); + intel_connector_add_to_fbdev(intel_connector); + mutex_unlock(&dev->mode_config.mutex); + drm_connector_register(&intel_connector->base); + return connector; +} + +static void intel_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr, + struct drm_connector *connector) +{ + struct intel_connector *intel_connector = to_intel_connector(connector); + struct drm_device *dev = connector->dev; + /* need to nuke the connector */ + mutex_lock(&dev->mode_config.mutex); + intel_connector_dpms(connector, DRM_MODE_DPMS_OFF); + mutex_unlock(&dev->mode_config.mutex); + + intel_connector->unregister(intel_connector); + + mutex_lock(&dev->mode_config.mutex); + intel_connector_remove_from_fbdev(intel_connector); + drm_connector_cleanup(connector); + mutex_unlock(&dev->mode_config.mutex); + + drm_reinit_primary_mode_group(dev); + + kfree(intel_connector); + DRM_DEBUG_KMS("\n"); +} + +static void intel_dp_mst_hotplug(struct drm_dp_mst_topology_mgr *mgr) +{ + struct intel_dp *intel_dp = container_of(mgr, struct intel_dp, mst_mgr); + struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp); + struct drm_device *dev = intel_dig_port->base.base.dev; + + drm_kms_helper_hotplug_event(dev); +} + +static struct drm_dp_mst_topology_cbs mst_cbs = { + .add_connector = intel_dp_add_mst_connector, + .destroy_connector = intel_dp_destroy_mst_connector, + .hotplug = intel_dp_mst_hotplug, +}; + +static struct intel_dp_mst_encoder * +intel_dp_create_fake_mst_encoder(struct intel_digital_port *intel_dig_port, enum pipe pipe) +{ + struct intel_dp_mst_encoder *intel_mst; + struct intel_encoder *intel_encoder; + struct drm_device *dev = intel_dig_port->base.base.dev; + + intel_mst = kzalloc(sizeof(*intel_mst), GFP_KERNEL); + + if (!intel_mst) + return NULL; + + intel_mst->pipe = pipe; + intel_encoder = &intel_mst->base; + intel_mst->primary = intel_dig_port; + + drm_encoder_init(dev, &intel_encoder->base, &intel_dp_mst_enc_funcs, + DRM_MODE_ENCODER_DPMST); + + intel_encoder->type = INTEL_OUTPUT_DP_MST; + intel_encoder->crtc_mask = 0x7; + intel_encoder->cloneable = 0; + + intel_encoder->compute_config = intel_dp_mst_compute_config; + intel_encoder->disable = intel_mst_disable_dp; + intel_encoder->post_disable = intel_mst_post_disable_dp; + intel_encoder->pre_enable = intel_mst_pre_enable_dp; + intel_encoder->enable = intel_mst_enable_dp; + intel_encoder->get_hw_state = intel_dp_mst_enc_get_hw_state; + intel_encoder->get_config = intel_dp_mst_enc_get_config; + + return intel_mst; + +} + +static bool +intel_dp_create_fake_mst_encoders(struct intel_digital_port *intel_dig_port) +{ + int i; + struct intel_dp *intel_dp = &intel_dig_port->dp; + + for (i = PIPE_A; i <= PIPE_C; i++) + intel_dp->mst_encoders[i] = intel_dp_create_fake_mst_encoder(intel_dig_port, i); + return true; +} + +int +intel_dp_mst_encoder_init(struct intel_digital_port *intel_dig_port, int conn_base_id) +{ + struct intel_dp *intel_dp = &intel_dig_port->dp; + struct drm_device *dev = intel_dig_port->base.base.dev; + int ret; + + intel_dp->can_mst = true; + intel_dp->mst_mgr.cbs = &mst_cbs; + + /* create encoders */ + intel_dp_create_fake_mst_encoders(intel_dig_port); + ret = drm_dp_mst_topology_mgr_init(&intel_dp->mst_mgr, dev->dev, &intel_dp->aux, 16, 3, conn_base_id); + if (ret) { + intel_dp->can_mst = false; + return ret; + } + return 0; +} + +void +intel_dp_mst_encoder_cleanup(struct intel_digital_port *intel_dig_port) +{ + struct intel_dp *intel_dp = &intel_dig_port->dp; + + if (!intel_dp->can_mst) + return; + + drm_dp_mst_topology_mgr_destroy(&intel_dp->mst_mgr); + /* encoders will get killed by normal cleanup */ +} diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index bb9042bde7d..b2837c5fccf 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -32,7 +32,7 @@ #include <drm/drm_crtc.h> #include <drm/drm_crtc_helper.h> #include <drm/drm_fb_helper.h> -#include <drm/drm_dp_helper.h> +#include <drm/drm_dp_mst_helper.h> /** * _wait_for - magic (register) wait macro @@ -100,6 +100,7 @@ #define INTEL_OUTPUT_EDP 8 #define INTEL_OUTPUT_DSI 9 #define INTEL_OUTPUT_UNKNOWN 10 +#define INTEL_OUTPUT_DP_MST 11 #define INTEL_DVO_CHIP_NONE 0 #define INTEL_DVO_CHIP_LVDS 1 @@ -208,6 +209,10 @@ struct intel_connector { /* since POLL and HPD connectors may use the same HPD line keep the native state of connector->polled in case hotplug storm detection changes it */ u8 polled; + + void *port; /* store this opaque as its illegal to dereference it */ + + struct intel_dp *mst_port; }; typedef struct dpll { @@ -352,6 +357,9 @@ struct intel_crtc_config { bool ips_enabled; bool double_wide; + + bool dp_encoder_is_mst; + int pbn; }; struct intel_pipe_wm { @@ -509,6 +517,7 @@ struct intel_hdmi { struct drm_display_mode *adjusted_mode); }; +struct intel_dp_mst_encoder; #define DP_MAX_DOWNSTREAM_PORTS 0x10 /** @@ -548,8 +557,16 @@ struct intel_dp { unsigned long last_power_on; unsigned long last_backlight_off; bool use_tps3; + bool can_mst; /* this port supports mst */ + bool is_mst; + int active_mst_links; + /* connector directly attached - won't be use for modeset in mst world */ struct intel_connector *attached_connector; + /* mst connector list */ + struct intel_dp_mst_encoder *mst_encoders[I915_MAX_PIPES]; + struct drm_dp_mst_topology_mgr mst_mgr; + uint32_t (*get_aux_clock_divider)(struct intel_dp *dp, int index); /* * This function returns the value we have to program the AUX_CTL @@ -576,6 +593,13 @@ struct intel_digital_port { bool (*hpd_pulse)(struct intel_digital_port *, bool); }; +struct intel_dp_mst_encoder { + struct intel_encoder base; + enum pipe pipe; + struct intel_digital_port *primary; + void *port; /* store this opaque as its illegal to dereference it */ +}; + static inline int vlv_dport_to_channel(struct intel_digital_port *dport) { @@ -660,6 +684,12 @@ enc_to_dig_port(struct drm_encoder *encoder) return container_of(encoder, struct intel_digital_port, base.base); } +static inline struct intel_dp_mst_encoder * +enc_to_mst(struct drm_encoder *encoder) +{ + return container_of(encoder, struct intel_dp_mst_encoder, base.base); +} + static inline struct intel_dp *enc_to_intel_dp(struct drm_encoder *encoder) { return &enc_to_dig_port(encoder)->dp; @@ -730,6 +760,10 @@ void intel_ddi_fdi_disable(struct drm_crtc *crtc); void intel_ddi_get_config(struct intel_encoder *encoder, struct intel_crtc_config *pipe_config); +void intel_ddi_init_dp_buf_reg(struct intel_encoder *encoder); +void intel_ddi_clock_get(struct intel_encoder *encoder, + struct intel_crtc_config *pipe_config); +void intel_ddi_set_vc_payload_alloc(struct drm_crtc *crtc, bool state); /* intel_display.c */ const char *intel_output_name(int output); @@ -886,6 +920,15 @@ void intel_edp_psr_flush(struct drm_device *dev, unsigned frontbuffer_bits); void intel_edp_psr_init(struct drm_device *dev); +int intel_dp_handle_hpd_irq(struct intel_digital_port *digport, bool long_hpd); +void intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connector); +void intel_dp_mst_suspend(struct drm_device *dev); +void intel_dp_mst_resume(struct drm_device *dev); +int intel_dp_max_link_bw(struct intel_dp *intel_dp); +void intel_dp_hot_plug(struct intel_encoder *intel_encoder); +/* intel_dp_mst.c */ +int intel_dp_mst_encoder_init(struct intel_digital_port *intel_dig_port, int conn_id); +void intel_dp_mst_encoder_cleanup(struct intel_digital_port *intel_dig_port); /* intel_dsi.c */ void intel_dsi_init(struct drm_device *dev); diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index a9a7fb4b717..2ee1722c0af 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -742,7 +742,7 @@ void intel_dsi_init(struct drm_device *dev) intel_connector_attach_encoder(intel_connector, intel_encoder); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); fixed_mode = dsi->dev_ops->get_modes(&intel_dsi->dev); if (!fixed_mode) { diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c index 5d7d97522bd..56b47d2ffaf 100644 --- a/drivers/gpu/drm/i915/intel_dvo.c +++ b/drivers/gpu/drm/i915/intel_dvo.c @@ -566,7 +566,7 @@ void intel_dvo_init(struct drm_device *dev) intel_dvo->panel_wants_dither = true; } - drm_sysfs_connector_add(connector); + drm_connector_register(connector); return; } diff --git a/drivers/gpu/drm/i915/intel_fbdev.c b/drivers/gpu/drm/i915/intel_fbdev.c index b8eac8c4dae..f475414671d 100644 --- a/drivers/gpu/drm/i915/intel_fbdev.c +++ b/drivers/gpu/drm/i915/intel_fbdev.c @@ -478,7 +478,7 @@ out: return true; } -static struct drm_fb_helper_funcs intel_fb_helper_funcs = { +static const struct drm_fb_helper_funcs intel_fb_helper_funcs = { .initial_config = intel_fb_initial_config, .gamma_set = intel_crtc_fb_gamma_set, .gamma_get = intel_crtc_fb_gamma_get, @@ -649,7 +649,8 @@ int intel_fbdev_init(struct drm_device *dev) if (ifbdev == NULL) return -ENOMEM; - ifbdev->helper.funcs = &intel_fb_helper_funcs; + drm_fb_helper_prepare(dev, &ifbdev->helper, &intel_fb_helper_funcs); + if (!intel_fbdev_init_bios(dev, ifbdev)) ifbdev->preferred_bpp = 32; diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index d189e95fe63..f9151f6641d 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -1585,7 +1585,7 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port, intel_hdmi_add_properties(intel_hdmi, connector); intel_connector_attach_encoder(intel_connector, intel_encoder); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); /* For G4X desktop chip, PEG_BAND_GAP_DATA 3:0 must first be written * 0xd. Failure to do so will result in spurious interrupts being diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index a3126e0fd11..c511287bbb8 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -1107,7 +1107,7 @@ out: DRM_DEBUG_KMS("lid notifier registration failed\n"); lvds_connector->lid_notifier.notifier_call = NULL; } - drm_sysfs_connector_add(connector); + drm_connector_register(connector); intel_panel_init(&intel_connector->panel, fixed_mode, downclock_mode); intel_panel_setup_backlight(connector); diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c index 5a979b70e3c..97bc3eab9cd 100644 --- a/drivers/gpu/drm/i915/intel_opregion.c +++ b/drivers/gpu/drm/i915/intel_opregion.c @@ -352,6 +352,7 @@ int intel_opregion_notify_encoder(struct intel_encoder *intel_encoder, case INTEL_OUTPUT_UNKNOWN: case INTEL_OUTPUT_DISPLAYPORT: case INTEL_OUTPUT_HDMI: + case INTEL_OUTPUT_DP_MST: type = DISPLAY_TYPE_EXTERNAL_FLAT_PANEL; break; case INTEL_OUTPUT_EDP: diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c index 307c2f1842b..dc2f4f26c96 100644 --- a/drivers/gpu/drm/i915/intel_overlay.c +++ b/drivers/gpu/drm/i915/intel_overlay.c @@ -1039,7 +1039,7 @@ int intel_overlay_put_image(struct drm_device *dev, void *data, struct drm_intel_overlay_put_image *put_image_rec = data; struct drm_i915_private *dev_priv = dev->dev_private; struct intel_overlay *overlay; - struct drm_mode_object *drmmode_obj; + struct drm_crtc *drmmode_crtc; struct intel_crtc *crtc; struct drm_i915_gem_object *new_bo; struct put_image_params *params; @@ -1068,13 +1068,12 @@ int intel_overlay_put_image(struct drm_device *dev, void *data, if (!params) return -ENOMEM; - drmmode_obj = drm_mode_object_find(dev, put_image_rec->crtc_id, - DRM_MODE_OBJECT_CRTC); - if (!drmmode_obj) { + drmmode_crtc = drm_crtc_find(dev, put_image_rec->crtc_id); + if (!drmmode_crtc) { ret = -ENOENT; goto out_free; } - crtc = to_intel_crtc(obj_to_crtc(drmmode_obj)); + crtc = to_intel_crtc(drmmode_crtc); new_bo = to_intel_bo(drm_gem_object_lookup(dev, file_priv, put_image_rec->bo_handle)); diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index 20375cc7f82..9350edd6728 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -2433,7 +2433,7 @@ intel_sdvo_connector_init(struct intel_sdvo_connector *connector, connector->base.unregister = intel_sdvo_connector_unregister; intel_connector_attach_encoder(&connector->base, &encoder->base); - ret = drm_sysfs_connector_add(drm_connector); + ret = drm_connector_register(drm_connector); if (ret < 0) goto err1; @@ -2446,7 +2446,7 @@ intel_sdvo_connector_init(struct intel_sdvo_connector *connector, return 0; err2: - drm_sysfs_connector_remove(drm_connector); + drm_connector_unregister(drm_connector); err1: drm_connector_cleanup(drm_connector); @@ -2559,7 +2559,7 @@ intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type) return true; err: - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); intel_sdvo_destroy(connector); return false; } @@ -2638,7 +2638,7 @@ intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device) return true; err: - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); intel_sdvo_destroy(connector); return false; } @@ -2711,7 +2711,7 @@ static void intel_sdvo_output_cleanup(struct intel_sdvo *intel_sdvo) list_for_each_entry_safe(connector, tmp, &dev->mode_config.connector_list, head) { if (intel_attached_encoder(connector) == &intel_sdvo->base) { - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); intel_sdvo_destroy(connector); } } diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index 396c1e84395..168c6652cda 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -1126,7 +1126,6 @@ int intel_sprite_set_colorkey(struct drm_device *dev, void *data, struct drm_file *file_priv) { struct drm_intel_sprite_colorkey *set = data; - struct drm_mode_object *obj; struct drm_plane *plane; struct intel_plane *intel_plane; int ret = 0; @@ -1140,13 +1139,12 @@ int intel_sprite_set_colorkey(struct drm_device *dev, void *data, drm_modeset_lock_all(dev); - obj = drm_mode_object_find(dev, set->plane_id, DRM_MODE_OBJECT_PLANE); - if (!obj) { + plane = drm_plane_find(dev, set->plane_id); + if (!plane) { ret = -ENOENT; goto out_unlock; } - plane = obj_to_plane(obj); intel_plane = to_intel_plane(plane); ret = intel_plane->update_colorkey(plane, set); @@ -1159,7 +1157,6 @@ int intel_sprite_get_colorkey(struct drm_device *dev, void *data, struct drm_file *file_priv) { struct drm_intel_sprite_colorkey *get = data; - struct drm_mode_object *obj; struct drm_plane *plane; struct intel_plane *intel_plane; int ret = 0; @@ -1169,13 +1166,12 @@ int intel_sprite_get_colorkey(struct drm_device *dev, void *data, drm_modeset_lock_all(dev); - obj = drm_mode_object_find(dev, get->plane_id, DRM_MODE_OBJECT_PLANE); - if (!obj) { + plane = drm_plane_find(dev, get->plane_id); + if (!plane) { ret = -ENOENT; goto out_unlock; } - plane = obj_to_plane(obj); intel_plane = to_intel_plane(plane); intel_plane->get_colorkey(plane, get); diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c index 67c6c9a2eb1..e211eef4b7e 100644 --- a/drivers/gpu/drm/i915/intel_tv.c +++ b/drivers/gpu/drm/i915/intel_tv.c @@ -1680,5 +1680,5 @@ intel_tv_init(struct drm_device *dev) drm_object_attach_property(&connector->base, dev->mode_config.tv_bottom_margin_property, intel_tv->margin[TV_MARGIN_BOTTOM]); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); } diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.h b/drivers/gpu/drm/mgag200/mgag200_drv.h index cf11ee68a6d..80de23d9b9c 100644 --- a/drivers/gpu/drm/mgag200/mgag200_drv.h +++ b/drivers/gpu/drm/mgag200/mgag200_drv.h @@ -280,7 +280,7 @@ static inline int mgag200_bo_reserve(struct mgag200_bo *bo, bool no_wait) { int ret; - ret = ttm_bo_reserve(&bo->bo, true, no_wait, false, 0); + ret = ttm_bo_reserve(&bo->bo, true, no_wait, false, NULL); if (ret) { if (ret != -ERESTARTSYS && ret != -EBUSY) DRM_ERROR("reserve failed %p\n", bo); diff --git a/drivers/gpu/drm/mgag200/mgag200_fb.c b/drivers/gpu/drm/mgag200/mgag200_fb.c index 13b7dd83faa..5451dc58eff 100644 --- a/drivers/gpu/drm/mgag200/mgag200_fb.c +++ b/drivers/gpu/drm/mgag200/mgag200_fb.c @@ -272,7 +272,7 @@ static int mga_fbdev_destroy(struct drm_device *dev, return 0; } -static struct drm_fb_helper_funcs mga_fb_helper_funcs = { +static const struct drm_fb_helper_funcs mga_fb_helper_funcs = { .gamma_set = mga_crtc_fb_gamma_set, .gamma_get = mga_crtc_fb_gamma_get, .fb_probe = mgag200fb_create, @@ -293,9 +293,10 @@ int mgag200_fbdev_init(struct mga_device *mdev) return -ENOMEM; mdev->mfbdev = mfbdev; - mfbdev->helper.funcs = &mga_fb_helper_funcs; spin_lock_init(&mfbdev->dirty_lock); + drm_fb_helper_prepare(mdev->dev, &mfbdev->helper, &mga_fb_helper_funcs); + ret = drm_fb_helper_init(mdev->dev, &mfbdev->helper, mdev->num_crtc, MGAG200FB_CONN_LIMIT); if (ret) diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index a034ed40825..45f04dea0ac 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -1562,19 +1562,9 @@ static struct drm_encoder *mga_connector_best_encoder(struct drm_connector *connector) { int enc_id = connector->encoder_ids[0]; - struct drm_mode_object *obj; - struct drm_encoder *encoder; - /* pick the encoder ids */ - if (enc_id) { - obj = - drm_mode_object_find(connector->dev, enc_id, - DRM_MODE_OBJECT_ENCODER); - if (!obj) - return NULL; - encoder = obj_to_encoder(obj); - return encoder; - } + if (enc_id) + return drm_encoder_find(connector->dev, enc_id); return NULL; } @@ -1621,7 +1611,7 @@ static struct drm_connector *mga_vga_init(struct drm_device *dev) drm_connector_helper_add(connector, &mga_vga_connector_helper_funcs); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); mga_connector->i2c = mgag200_i2c_create(dev); if (!mga_connector->i2c) diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_connector.c b/drivers/gpu/drm/msm/hdmi/hdmi_connector.c index 28f7e3ec6c2..76960faae38 100644 --- a/drivers/gpu/drm/msm/hdmi/hdmi_connector.c +++ b/drivers/gpu/drm/msm/hdmi/hdmi_connector.c @@ -306,7 +306,7 @@ static void hdmi_connector_destroy(struct drm_connector *connector) hdp_disable(hdmi_connector); - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); hdmi_unreference(hdmi_connector->hdmi); @@ -416,7 +416,7 @@ struct drm_connector *hdmi_connector_init(struct hdmi *hdmi) connector->interlace_allowed = 1; connector->doublescan_allowed = 0; - drm_sysfs_connector_add(connector); + drm_connector_register(connector); ret = hpd_enable(hdmi_connector); if (ret) { diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index 9a5d87db5c2..a322029983c 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -905,12 +905,41 @@ static int compare_of(struct device *dev, void *data) { return dev->of_node == data; } +#else +static int compare_dev(struct device *dev, void *data) +{ + return dev == data; +} +#endif + +static int msm_drm_bind(struct device *dev) +{ + return drm_platform_init(&msm_driver, to_platform_device(dev)); +} + +static void msm_drm_unbind(struct device *dev) +{ + drm_put_dev(platform_get_drvdata(to_platform_device(dev))); +} + +static const struct component_master_ops msm_drm_ops = { + .bind = msm_drm_bind, + .unbind = msm_drm_unbind, +}; + +/* + * Platform driver: + */ -static int msm_drm_add_components(struct device *master, struct master *m) +static int msm_pdev_probe(struct platform_device *pdev) { - struct device_node *np = master->of_node; + struct component_match *match = NULL; +#ifdef CONFIG_OF + /* NOTE: the CONFIG_OF case duplicates the same code as exynos or imx + * (or probably any other).. so probably some room for some helpers + */ + struct device_node *np = pdev->dev.of_node; unsigned i; - int ret; for (i = 0; ; i++) { struct device_node *node; @@ -919,22 +948,9 @@ static int msm_drm_add_components(struct device *master, struct master *m) if (!node) break; - ret = component_master_add_child(m, compare_of, node); - of_node_put(node); - - if (ret) - return ret; + component_match_add(&pdev->dev, &match, compare_of, node); } - return 0; -} #else -static int compare_dev(struct device *dev, void *data) -{ - return dev == data; -} - -static int msm_drm_add_components(struct device *master, struct master *m) -{ /* For non-DT case, it kinda sucks. We don't actually have a way * to know whether or not we are waiting for certain devices (or if * they are simply not present). But for non-DT we only need to @@ -958,41 +974,12 @@ static int msm_drm_add_components(struct device *master, struct master *m) return -EPROBE_DEFER; } - ret = component_master_add_child(m, compare_dev, dev); - if (ret) { - DBG("could not add child: %d", ret); - return ret; - } + component_match_add(&pdev->dev, &match, compare_dev, dev); } - - return 0; -} #endif -static int msm_drm_bind(struct device *dev) -{ - return drm_platform_init(&msm_driver, to_platform_device(dev)); -} - -static void msm_drm_unbind(struct device *dev) -{ - drm_put_dev(platform_get_drvdata(to_platform_device(dev))); -} - -static const struct component_master_ops msm_drm_ops = { - .add_components = msm_drm_add_components, - .bind = msm_drm_bind, - .unbind = msm_drm_unbind, -}; - -/* - * Platform driver: - */ - -static int msm_pdev_probe(struct platform_device *pdev) -{ pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32); - return component_master_add(&pdev->dev, &msm_drm_ops); + return component_master_add_with_match(&pdev->dev, &msm_drm_ops, match); } static int msm_pdev_remove(struct platform_device *pdev) diff --git a/drivers/gpu/drm/msm/msm_fbdev.c b/drivers/gpu/drm/msm/msm_fbdev.c index 5107fc4826b..c437065933e 100644 --- a/drivers/gpu/drm/msm/msm_fbdev.c +++ b/drivers/gpu/drm/msm/msm_fbdev.c @@ -177,7 +177,7 @@ static void msm_crtc_fb_gamma_get(struct drm_crtc *crtc, DBG("fbdev: get gamma"); } -static struct drm_fb_helper_funcs msm_fb_helper_funcs = { +static const struct drm_fb_helper_funcs msm_fb_helper_funcs = { .gamma_set = msm_crtc_fb_gamma_set, .gamma_get = msm_crtc_fb_gamma_get, .fb_probe = msm_fbdev_create, @@ -197,7 +197,7 @@ struct drm_fb_helper *msm_fbdev_init(struct drm_device *dev) helper = &fbdev->base; - helper->funcs = &msm_fb_helper_funcs; + drm_fb_helper_prepare(dev, helper, &msm_fb_helper_funcs); ret = drm_fb_helper_init(dev, helper, priv->num_crtcs, priv->num_connectors); diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 690d7e7b6d1..713722b0ba7 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -73,7 +73,7 @@ static struct page **get_pages(struct drm_gem_object *obj) int npages = obj->size >> PAGE_SHIFT; if (iommu_present(&platform_bus_type)) - p = drm_gem_get_pages(obj, 0); + p = drm_gem_get_pages(obj); else p = get_pages_vram(obj, npages); diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index b6dc85c614b..ba29a701ca1 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -309,7 +309,7 @@ nouveau_bo_pin(struct nouveau_bo *nvbo, uint32_t memtype) struct ttm_buffer_object *bo = &nvbo->bo; int ret; - ret = ttm_bo_reserve(bo, false, false, false, 0); + ret = ttm_bo_reserve(bo, false, false, false, NULL); if (ret) goto out; @@ -350,7 +350,7 @@ nouveau_bo_unpin(struct nouveau_bo *nvbo) struct ttm_buffer_object *bo = &nvbo->bo; int ret, ref; - ret = ttm_bo_reserve(bo, false, false, false, 0); + ret = ttm_bo_reserve(bo, false, false, false, NULL); if (ret) return ret; @@ -385,7 +385,7 @@ nouveau_bo_map(struct nouveau_bo *nvbo) { int ret; - ret = ttm_bo_reserve(&nvbo->bo, false, false, false, 0); + ret = ttm_bo_reserve(&nvbo->bo, false, false, false, NULL); if (ret) return ret; diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index 1fa222e8f00..dbdc9ad5954 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -63,7 +63,7 @@ find_encoder(struct drm_connector *connector, int type) { struct drm_device *dev = connector->dev; struct nouveau_encoder *nv_encoder; - struct drm_mode_object *obj; + struct drm_encoder *enc; int i, id; for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { @@ -71,10 +71,10 @@ find_encoder(struct drm_connector *connector, int type) if (!id) break; - obj = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_ENCODER); - if (!obj) + enc = drm_encoder_find(dev, id); + if (!enc) continue; - nv_encoder = nouveau_encoder(obj_to_encoder(obj)); + nv_encoder = nouveau_encoder(enc); if (type == DCB_OUTPUT_ANY || (nv_encoder->dcb && nv_encoder->dcb->type == type)) @@ -104,7 +104,7 @@ nouveau_connector_destroy(struct drm_connector *connector) struct nouveau_connector *nv_connector = nouveau_connector(connector); nouveau_event_ref(NULL, &nv_connector->hpd); kfree(nv_connector->edid); - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); if (nv_connector->aux.transfer) drm_dp_aux_unregister(&nv_connector->aux); @@ -119,7 +119,7 @@ nouveau_connector_ddc_detect(struct drm_connector *connector) struct nouveau_drm *drm = nouveau_drm(dev); struct nouveau_gpio *gpio = nouveau_gpio(drm->device); struct nouveau_encoder *nv_encoder; - struct drm_mode_object *obj; + struct drm_encoder *encoder; int i, panel = -ENODEV; /* eDP panels need powering on by us (if the VBIOS doesn't default it @@ -139,10 +139,10 @@ nouveau_connector_ddc_detect(struct drm_connector *connector) if (id == 0) break; - obj = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_ENCODER); - if (!obj) + encoder = drm_encoder_find(dev, id); + if (!encoder) continue; - nv_encoder = nouveau_encoder(obj_to_encoder(obj)); + nv_encoder = nouveau_encoder(encoder); if (nv_encoder->dcb->type == DCB_OUTPUT_DP) { int ret = nouveau_dp_detect(nv_encoder); @@ -1236,6 +1236,6 @@ nouveau_connector_create(struct drm_device *dev, int index) INIT_WORK(&nv_connector->work, nouveau_connector_hotplug_work); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); return connector; } diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c index 64a42cfd371..afe706a20f9 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c +++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c @@ -438,7 +438,7 @@ void nouveau_fbcon_gpu_lockup(struct fb_info *info) info->flags |= FBINFO_HWACCEL_DISABLED; } -static struct drm_fb_helper_funcs nouveau_fbcon_helper_funcs = { +static const struct drm_fb_helper_funcs nouveau_fbcon_helper_funcs = { .gamma_set = nouveau_fbcon_gamma_set, .gamma_get = nouveau_fbcon_gamma_get, .fb_probe = nouveau_fbcon_create, @@ -464,7 +464,8 @@ nouveau_fbcon_init(struct drm_device *dev) fbcon->dev = dev; drm->fbcon = fbcon; - fbcon->helper.funcs = &nouveau_fbcon_helper_funcs; + + drm_fb_helper_prepare(dev, &fbcon->helper, &nouveau_fbcon_helper_funcs); ret = drm_fb_helper_init(dev, &fbcon->helper, dev->mode_config.num_crtc, 4); diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c index c90c0dc0afe..df9d451afdc 100644 --- a/drivers/gpu/drm/nouveau/nouveau_gem.c +++ b/drivers/gpu/drm/nouveau/nouveau_gem.c @@ -61,7 +61,7 @@ nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv) if (!cli->base.vm) return 0; - ret = ttm_bo_reserve(&nvbo->bo, false, false, false, 0); + ret = ttm_bo_reserve(&nvbo->bo, false, false, false, NULL); if (ret) return ret; @@ -132,7 +132,7 @@ nouveau_gem_object_close(struct drm_gem_object *gem, struct drm_file *file_priv) if (!cli->base.vm) return; - ret = ttm_bo_reserve(&nvbo->bo, false, false, false, 0); + ret = ttm_bo_reserve(&nvbo->bo, false, false, false, NULL); if (ret) return; diff --git a/drivers/gpu/drm/nouveau/nouveau_ttm.c b/drivers/gpu/drm/nouveau/nouveau_ttm.c index ab0228f640a..7e185c12275 100644 --- a/drivers/gpu/drm/nouveau/nouveau_ttm.c +++ b/drivers/gpu/drm/nouveau/nouveau_ttm.c @@ -76,6 +76,7 @@ static int nouveau_vram_manager_new(struct ttm_mem_type_manager *man, struct ttm_buffer_object *bo, struct ttm_placement *placement, + uint32_t flags, struct ttm_mem_reg *mem) { struct nouveau_drm *drm = nouveau_bdev(man->bdev); @@ -162,6 +163,7 @@ static int nouveau_gart_manager_new(struct ttm_mem_type_manager *man, struct ttm_buffer_object *bo, struct ttm_placement *placement, + uint32_t flags, struct ttm_mem_reg *mem) { struct nouveau_drm *drm = nouveau_bdev(bo->bdev); @@ -242,6 +244,7 @@ static int nv04_gart_manager_new(struct ttm_mem_type_manager *man, struct ttm_buffer_object *bo, struct ttm_placement *placement, + uint32_t flags, struct ttm_mem_reg *mem) { struct nouveau_mem *node; diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c b/drivers/gpu/drm/omapdrm/omap_connector.c index 86f4ead0441..36bc5cc8081 100644 --- a/drivers/gpu/drm/omapdrm/omap_connector.c +++ b/drivers/gpu/drm/omapdrm/omap_connector.c @@ -130,7 +130,7 @@ static void omap_connector_destroy(struct drm_connector *connector) struct omap_dss_device *dssdev = omap_connector->dssdev; DBG("%s", omap_connector->dssdev->name); - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); kfree(omap_connector); @@ -307,7 +307,7 @@ struct drm_connector *omap_connector_init(struct drm_device *dev, connector->interlace_allowed = 1; connector->doublescan_allowed = 0; - drm_sysfs_connector_add(connector); + drm_connector_register(connector); return connector; diff --git a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c index f926b4caf44..56c60552abb 100644 --- a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c +++ b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c @@ -199,7 +199,7 @@ static struct dmm_txn *dmm_txn_init(struct dmm *dmm, struct tcm *tcm) static void dmm_txn_append(struct dmm_txn *txn, struct pat_area *area, struct page **pages, uint32_t npages, uint32_t roll) { - dma_addr_t pat_pa = 0; + dma_addr_t pat_pa = 0, data_pa = 0; uint32_t *data; struct pat *pat; struct refill_engine *engine = txn->engine_handle; @@ -223,7 +223,9 @@ static void dmm_txn_append(struct dmm_txn *txn, struct pat_area *area, .lut_id = engine->tcm->lut_id, }; - data = alloc_dma(txn, 4*i, &pat->data_pa); + data = alloc_dma(txn, 4*i, &data_pa); + /* FIXME: what if data_pa is more than 32-bit ? */ + pat->data_pa = data_pa; while (i--) { int n = i + roll; diff --git a/drivers/gpu/drm/omapdrm/omap_fbdev.c b/drivers/gpu/drm/omapdrm/omap_fbdev.c index 1388ca7f87e..8436c6857cd 100644 --- a/drivers/gpu/drm/omapdrm/omap_fbdev.c +++ b/drivers/gpu/drm/omapdrm/omap_fbdev.c @@ -281,7 +281,7 @@ fail: return ret; } -static struct drm_fb_helper_funcs omap_fb_helper_funcs = { +static const struct drm_fb_helper_funcs omap_fb_helper_funcs = { .fb_probe = omap_fbdev_create, }; @@ -325,7 +325,7 @@ struct drm_fb_helper *omap_fbdev_init(struct drm_device *dev) helper = &fbdev->base; - helper->funcs = &omap_fb_helper_funcs; + drm_fb_helper_prepare(dev, helper, &omap_fb_helper_funcs); ret = drm_fb_helper_init(dev, helper, priv->num_crtcs, priv->num_connectors); diff --git a/drivers/gpu/drm/omapdrm/omap_gem.c b/drivers/gpu/drm/omapdrm/omap_gem.c index 95dbce286a4..e4849413ee8 100644 --- a/drivers/gpu/drm/omapdrm/omap_gem.c +++ b/drivers/gpu/drm/omapdrm/omap_gem.c @@ -233,11 +233,7 @@ static int omap_gem_attach_pages(struct drm_gem_object *obj) WARN_ON(omap_obj->pages); - /* TODO: __GFP_DMA32 .. but somehow GFP_HIGHMEM is coming from the - * mapping_gfp_mask(mapping) which conflicts w/ GFP_DMA32.. probably - * we actually want CMA memory for it all anyways.. - */ - pages = drm_gem_get_pages(obj, GFP_KERNEL); + pages = drm_gem_get_pages(obj); if (IS_ERR(pages)) { dev_err(obj->dev->dev, "could not get pages: %ld\n", PTR_ERR(pages)); return PTR_ERR(pages); @@ -791,7 +787,7 @@ int omap_gem_get_paddr(struct drm_gem_object *obj, omap_obj->paddr = tiler_ssptr(block); omap_obj->block = block; - DBG("got paddr: %08x", omap_obj->paddr); + DBG("got paddr: %pad", &omap_obj->paddr); } omap_obj->paddr_cnt++; @@ -985,9 +981,9 @@ void omap_gem_describe(struct drm_gem_object *obj, struct seq_file *m) off = drm_vma_node_start(&obj->vma_node); - seq_printf(m, "%08x: %2d (%2d) %08llx %08Zx (%2d) %p %4d", + seq_printf(m, "%08x: %2d (%2d) %08llx %pad (%2d) %p %4d", omap_obj->flags, obj->name, obj->refcount.refcount.counter, - off, omap_obj->paddr, omap_obj->paddr_cnt, + off, &omap_obj->paddr, omap_obj->paddr_cnt, omap_obj->vaddr, omap_obj->roll); if (omap_obj->flags & OMAP_BO_TILED) { @@ -1183,9 +1179,7 @@ int omap_gem_op_sync(struct drm_gem_object *obj, enum omap_gem_op op) } } spin_unlock(&sync_lock); - - if (waiter) - kfree(waiter); + kfree(waiter); } return ret; } @@ -1347,6 +1341,7 @@ struct drm_gem_object *omap_gem_new(struct drm_device *dev, struct omap_drm_private *priv = dev->dev_private; struct omap_gem_object *omap_obj; struct drm_gem_object *obj = NULL; + struct address_space *mapping; size_t size; int ret; @@ -1404,14 +1399,16 @@ struct drm_gem_object *omap_gem_new(struct drm_device *dev, omap_obj->height = gsize.tiled.height; } - ret = 0; - if (flags & (OMAP_BO_DMA|OMAP_BO_EXT_MEM)) + if (flags & (OMAP_BO_DMA|OMAP_BO_EXT_MEM)) { drm_gem_private_object_init(dev, obj, size); - else + } else { ret = drm_gem_object_init(dev, obj, size); + if (ret) + goto fail; - if (ret) - goto fail; + mapping = file_inode(obj->filp)->i_mapping; + mapping_set_gfp_mask(mapping, GFP_USER | __GFP_DMA32); + } return obj; @@ -1467,8 +1464,8 @@ void omap_gem_init(struct drm_device *dev) entry->paddr = tiler_ssptr(block); entry->block = block; - DBG("%d:%d: %dx%d: paddr=%08x stride=%d", i, j, w, h, - entry->paddr, + DBG("%d:%d: %dx%d: paddr=%pad stride=%d", i, j, w, h, + &entry->paddr, usergart[i].stride_pfn << PAGE_SHIFT); } } diff --git a/drivers/gpu/drm/omapdrm/omap_plane.c b/drivers/gpu/drm/omapdrm/omap_plane.c index da9d15d214c..891a4dc608a 100644 --- a/drivers/gpu/drm/omapdrm/omap_plane.c +++ b/drivers/gpu/drm/omapdrm/omap_plane.c @@ -142,8 +142,8 @@ static void omap_plane_pre_apply(struct omap_drm_apply *apply) DBG("%dx%d -> %dx%d (%d)", info->width, info->height, info->out_width, info->out_height, info->screen_width); - DBG("%d,%d %08x %08x", info->pos_x, info->pos_y, - info->paddr, info->p_uv_addr); + DBG("%d,%d %pad %pad", info->pos_x, info->pos_y, + &info->paddr, &info->p_uv_addr); /* TODO: */ ilace = false; diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c index 5d7ea246185..b8ced08b629 100644 --- a/drivers/gpu/drm/qxl/qxl_display.c +++ b/drivers/gpu/drm/qxl/qxl_display.c @@ -835,7 +835,7 @@ static void qxl_conn_destroy(struct drm_connector *connector) struct qxl_output *qxl_output = drm_connector_to_qxl_output(connector); - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); kfree(qxl_output); } @@ -902,7 +902,7 @@ static int qdev_output_init(struct drm_device *dev, int num_output) drm_object_attach_property(&connector->base, qdev->hotplug_mode_update_property, 0); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); return 0; } diff --git a/drivers/gpu/drm/qxl/qxl_fb.c b/drivers/gpu/drm/qxl/qxl_fb.c index f437b30ce68..df567888bb1 100644 --- a/drivers/gpu/drm/qxl/qxl_fb.c +++ b/drivers/gpu/drm/qxl/qxl_fb.c @@ -660,7 +660,7 @@ static int qxl_fbdev_destroy(struct drm_device *dev, struct qxl_fbdev *qfbdev) return 0; } -static struct drm_fb_helper_funcs qxl_fb_helper_funcs = { +static const struct drm_fb_helper_funcs qxl_fb_helper_funcs = { .fb_probe = qxl_fb_find_or_create_single, }; @@ -676,9 +676,12 @@ int qxl_fbdev_init(struct qxl_device *qdev) qfbdev->qdev = qdev; qdev->mode_info.qfbdev = qfbdev; - qfbdev->helper.funcs = &qxl_fb_helper_funcs; spin_lock_init(&qfbdev->delayed_ops_lock); INIT_LIST_HEAD(&qfbdev->delayed_ops); + + drm_fb_helper_prepare(qdev->ddev, &qfbdev->helper, + &qxl_fb_helper_funcs); + ret = drm_fb_helper_init(qdev->ddev, &qfbdev->helper, qxl_num_crtc /* num_crtc - QXL supports just 1 */, QXLFB_CONN_LIMIT); diff --git a/drivers/gpu/drm/qxl/qxl_object.h b/drivers/gpu/drm/qxl/qxl_object.h index d458a140c02..83a423293af 100644 --- a/drivers/gpu/drm/qxl/qxl_object.h +++ b/drivers/gpu/drm/qxl/qxl_object.h @@ -31,7 +31,7 @@ static inline int qxl_bo_reserve(struct qxl_bo *bo, bool no_wait) { int r; - r = ttm_bo_reserve(&bo->tbo, true, no_wait, false, 0); + r = ttm_bo_reserve(&bo->tbo, true, no_wait, false, NULL); if (unlikely(r != 0)) { if (r != -ERESTARTSYS) { struct qxl_device *qdev = (struct qxl_device *)bo->gem_base.dev->dev_private; @@ -67,7 +67,7 @@ static inline int qxl_bo_wait(struct qxl_bo *bo, u32 *mem_type, { int r; - r = ttm_bo_reserve(&bo->tbo, true, no_wait, false, 0); + r = ttm_bo_reserve(&bo->tbo, true, no_wait, false, NULL); if (unlikely(r != 0)) { if (r != -ERESTARTSYS) { struct qxl_device *qdev = (struct qxl_device *)bo->gem_base.dev->dev_private; diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index 1544efcf1c3..ebdce08cfef 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -1401,7 +1401,6 @@ int r100_cs_parse_packet0(struct radeon_cs_parser *p, */ int r100_cs_packet_parse_vline(struct radeon_cs_parser *p) { - struct drm_mode_object *obj; struct drm_crtc *crtc; struct radeon_crtc *radeon_crtc; struct radeon_cs_packet p3reloc, waitreloc; @@ -1441,12 +1440,11 @@ int r100_cs_packet_parse_vline(struct radeon_cs_parser *p) header = radeon_get_ib_value(p, h_idx); crtc_id = radeon_get_ib_value(p, h_idx + 5); reg = R100_CP_PACKET0_GET_REG(header); - obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC); - if (!obj) { + crtc = drm_crtc_find(p->rdev->ddev, crtc_id); + if (!crtc) { DRM_ERROR("cannot find crtc %d\n", crtc_id); return -ENOENT; } - crtc = obj_to_crtc(obj); radeon_crtc = to_radeon_crtc(crtc); crtc_id = radeon_crtc->crtc_id; diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c index 12511bb5fd6..c47537a1ddb 100644 --- a/drivers/gpu/drm/radeon/r600_cs.c +++ b/drivers/gpu/drm/radeon/r600_cs.c @@ -825,7 +825,6 @@ int r600_cs_common_vline_parse(struct radeon_cs_parser *p, uint32_t *vline_start_end, uint32_t *vline_status) { - struct drm_mode_object *obj; struct drm_crtc *crtc; struct radeon_crtc *radeon_crtc; struct radeon_cs_packet p3reloc, wait_reg_mem; @@ -887,12 +886,11 @@ int r600_cs_common_vline_parse(struct radeon_cs_parser *p, crtc_id = radeon_get_ib_value(p, h_idx + 2 + 7 + 1); reg = R600_CP_PACKET0_GET_REG(header); - obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC); - if (!obj) { + crtc = drm_crtc_find(p->rdev->ddev, crtc_id); + if (!crtc) { DRM_ERROR("cannot find crtc %d\n", crtc_id); return -ENOENT; } - crtc = obj_to_crtc(obj); radeon_crtc = to_radeon_crtc(crtc); crtc_id = radeon_crtc->crtc_id; diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index 44831197e82..c667c43f1c1 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -216,7 +216,6 @@ radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_c struct drm_encoder *best_encoder = NULL; struct drm_encoder *encoder = NULL; struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; - struct drm_mode_object *obj; bool connected; int i; @@ -226,14 +225,11 @@ radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_c if (connector->encoder_ids[i] == 0) break; - obj = drm_mode_object_find(connector->dev, - connector->encoder_ids[i], - DRM_MODE_OBJECT_ENCODER); - if (!obj) + encoder = drm_encoder_find(connector->dev, + connector->encoder_ids[i]); + if (!encoder) continue; - encoder = obj_to_encoder(obj); - if ((encoder == best_encoder) && (status == connector_status_connected)) connected = true; else @@ -249,7 +245,6 @@ radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_c static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type) { - struct drm_mode_object *obj; struct drm_encoder *encoder; int i; @@ -257,11 +252,10 @@ static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, if (connector->encoder_ids[i] == 0) break; - obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER); - if (!obj) + encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]); + if (!encoder) continue; - encoder = obj_to_encoder(obj); if (encoder->encoder_type == encoder_type) return encoder; } @@ -271,17 +265,9 @@ static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector) { int enc_id = connector->encoder_ids[0]; - struct drm_mode_object *obj; - struct drm_encoder *encoder; - /* pick the encoder ids */ - if (enc_id) { - obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER); - if (!obj) - return NULL; - encoder = obj_to_encoder(obj); - return encoder; - } + if (enc_id) + return drm_encoder_find(connector->dev, enc_id); return NULL; } @@ -740,7 +726,7 @@ static void radeon_connector_destroy(struct drm_connector *connector) if (radeon_connector->edid) kfree(radeon_connector->edid); kfree(radeon_connector->con_priv); - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); kfree(connector); } @@ -1048,7 +1034,6 @@ radeon_dvi_detect(struct drm_connector *connector, bool force) struct radeon_connector *radeon_connector = to_radeon_connector(connector); struct drm_encoder *encoder = NULL; struct drm_encoder_helper_funcs *encoder_funcs; - struct drm_mode_object *obj; int i, r; enum drm_connector_status ret = connector_status_disconnected; bool dret = false, broken_edid = false; @@ -1153,14 +1138,11 @@ radeon_dvi_detect(struct drm_connector *connector, bool force) if (connector->encoder_ids[i] == 0) break; - obj = drm_mode_object_find(connector->dev, - connector->encoder_ids[i], - DRM_MODE_OBJECT_ENCODER); - if (!obj) + encoder = drm_encoder_find(connector->dev, + connector->encoder_ids[i]); + if (!encoder) continue; - encoder = obj_to_encoder(obj); - if (encoder->encoder_type != DRM_MODE_ENCODER_DAC && encoder->encoder_type != DRM_MODE_ENCODER_TVDAC) continue; @@ -1225,19 +1207,16 @@ static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector) { int enc_id = connector->encoder_ids[0]; struct radeon_connector *radeon_connector = to_radeon_connector(connector); - struct drm_mode_object *obj; struct drm_encoder *encoder; int i; for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { if (connector->encoder_ids[i] == 0) break; - obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER); - if (!obj) + encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]); + if (!encoder) continue; - encoder = obj_to_encoder(obj); - if (radeon_connector->use_digital == true) { if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS) return encoder; @@ -1252,13 +1231,8 @@ static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector) /* then check use digitial */ /* pick the first one */ - if (enc_id) { - obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER); - if (!obj) - return NULL; - encoder = obj_to_encoder(obj); - return encoder; - } + if (enc_id) + return drm_encoder_find(connector->dev, enc_id); return NULL; } @@ -1391,7 +1365,6 @@ static int radeon_dp_get_modes(struct drm_connector *connector) u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector) { - struct drm_mode_object *obj; struct drm_encoder *encoder; struct radeon_encoder *radeon_encoder; int i; @@ -1400,11 +1373,10 @@ u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *conn if (connector->encoder_ids[i] == 0) break; - obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER); - if (!obj) + encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]); + if (!encoder) continue; - encoder = obj_to_encoder(obj); radeon_encoder = to_radeon_encoder(encoder); switch (radeon_encoder->encoder_id) { @@ -1421,7 +1393,6 @@ u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *conn bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector) { - struct drm_mode_object *obj; struct drm_encoder *encoder; struct radeon_encoder *radeon_encoder; int i; @@ -1431,11 +1402,10 @@ bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector) if (connector->encoder_ids[i] == 0) break; - obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER); - if (!obj) + encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]); + if (!encoder) continue; - encoder = obj_to_encoder(obj); radeon_encoder = to_radeon_encoder(encoder); if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2) found = true; @@ -2050,7 +2020,7 @@ radeon_add_atom_connector(struct drm_device *dev, connector->polled = DRM_CONNECTOR_POLL_HPD; connector->display_info.subpixel_order = subpixel_order; - drm_sysfs_connector_add(connector); + drm_connector_register(connector); if (has_aux) radeon_dp_aux_init(radeon_connector); @@ -2211,5 +2181,5 @@ radeon_add_legacy_connector(struct drm_device *dev, } else connector->polled = DRM_CONNECTOR_POLL_HPD; connector->display_info.subpixel_order = subpixel_order; - drm_sysfs_connector_add(connector); + drm_connector_register(connector); } diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c index 665ced3b731..db598d71290 100644 --- a/drivers/gpu/drm/radeon/radeon_fb.c +++ b/drivers/gpu/drm/radeon/radeon_fb.c @@ -331,7 +331,7 @@ static int radeon_fbdev_destroy(struct drm_device *dev, struct radeon_fbdev *rfb return 0; } -static struct drm_fb_helper_funcs radeon_fb_helper_funcs = { +static const struct drm_fb_helper_funcs radeon_fb_helper_funcs = { .gamma_set = radeon_crtc_fb_gamma_set, .gamma_get = radeon_crtc_fb_gamma_get, .fb_probe = radeonfb_create, @@ -353,7 +353,9 @@ int radeon_fbdev_init(struct radeon_device *rdev) rfbdev->rdev = rdev; rdev->mode_info.rfbdev = rfbdev; - rfbdev->helper.funcs = &radeon_fb_helper_funcs; + + drm_fb_helper_prepare(rdev->ddev, &rfbdev->helper, + &radeon_fb_helper_funcs); ret = drm_fb_helper_init(rdev->ddev, &rfbdev->helper, rdev->num_crtc, diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c index 792fd1d20e8..fda64b7b73e 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c @@ -187,7 +187,7 @@ static struct drm_driver rcar_du_driver = { * Power management */ -#if CONFIG_PM_SLEEP +#ifdef CONFIG_PM_SLEEP static int rcar_du_pm_suspend(struct device *dev) { struct rcar_du_device *rcdu = dev_get_drvdata(dev); diff --git a/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c b/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c index 289048d1c7b..21426bd234e 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c @@ -64,7 +64,7 @@ static const struct drm_connector_helper_funcs connector_helper_funcs = { static void rcar_du_lvds_connector_destroy(struct drm_connector *connector) { - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); } @@ -105,7 +105,7 @@ int rcar_du_lvds_connector_init(struct rcar_du_device *rcdu, return ret; drm_connector_helper_add(connector, &connector_helper_funcs); - ret = drm_sysfs_connector_add(connector); + ret = drm_connector_register(connector); if (ret < 0) return ret; diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vgacon.c b/drivers/gpu/drm/rcar-du/rcar_du_vgacon.c index ccfe64c7188..8af3944d31b 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_vgacon.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_vgacon.c @@ -32,7 +32,7 @@ static const struct drm_connector_helper_funcs connector_helper_funcs = { static void rcar_du_vga_connector_destroy(struct drm_connector *connector) { - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); } @@ -70,7 +70,7 @@ int rcar_du_vga_connector_init(struct rcar_du_device *rcdu, return ret; drm_connector_helper_add(connector, &connector_helper_funcs); - ret = drm_sysfs_connector_add(connector); + ret = drm_connector_register(connector); if (ret < 0) return ret; diff --git a/drivers/gpu/drm/shmobile/shmob_drm_crtc.c b/drivers/gpu/drm/shmobile/shmob_drm_crtc.c index faf176b2daf..47875de8901 100644 --- a/drivers/gpu/drm/shmobile/shmob_drm_crtc.c +++ b/drivers/gpu/drm/shmobile/shmob_drm_crtc.c @@ -692,7 +692,7 @@ static void shmob_drm_connector_destroy(struct drm_connector *connector) struct shmob_drm_connector *scon = to_shmob_connector(connector); shmob_drm_backlight_exit(scon); - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); } @@ -726,7 +726,7 @@ int shmob_drm_connector_create(struct shmob_drm_device *sdev, return ret; drm_connector_helper_add(connector, &connector_helper_funcs); - ret = drm_sysfs_connector_add(connector); + ret = drm_connector_register(connector); if (ret < 0) goto err_cleanup; @@ -749,7 +749,7 @@ int shmob_drm_connector_create(struct shmob_drm_device *sdev, err_backlight: shmob_drm_backlight_exit(&sdev->connector); err_sysfs: - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); err_cleanup: drm_connector_cleanup(connector); return ret; diff --git a/drivers/gpu/drm/shmobile/shmob_drm_drv.c b/drivers/gpu/drm/shmobile/shmob_drm_drv.c index 82c84c7fd4f..ff4ba483b60 100644 --- a/drivers/gpu/drm/shmobile/shmob_drm_drv.c +++ b/drivers/gpu/drm/shmobile/shmob_drm_drv.c @@ -297,7 +297,7 @@ static struct drm_driver shmob_drm_driver = { * Power management */ -#if CONFIG_PM_SLEEP +#ifdef CONFIG_PM_SLEEP static int shmob_drm_pm_suspend(struct device *dev) { struct shmob_drm_device *sdev = dev_get_drvdata(dev); diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c index 3396f9f6a9f..fd736efd14b 100644 --- a/drivers/gpu/drm/tegra/drm.c +++ b/drivers/gpu/drm/tegra/drm.c @@ -40,6 +40,12 @@ static int tegra_drm_load(struct drm_device *drm, unsigned long flags) drm_mode_config_init(drm); + err = tegra_drm_fb_prepare(drm); + if (err < 0) + return err; + + drm_kms_helper_poll_init(drm); + err = host1x_device_init(device); if (err < 0) return err; @@ -59,8 +65,6 @@ static int tegra_drm_load(struct drm_device *drm, unsigned long flags) if (err < 0) return err; - drm_kms_helper_poll_init(drm); - return 0; } diff --git a/drivers/gpu/drm/tegra/drm.h b/drivers/gpu/drm/tegra/drm.h index 6b8fe9d86ed..0d30689dff0 100644 --- a/drivers/gpu/drm/tegra/drm.h +++ b/drivers/gpu/drm/tegra/drm.h @@ -280,6 +280,7 @@ struct tegra_bo *tegra_fb_get_plane(struct drm_framebuffer *framebuffer, unsigned int index); bool tegra_fb_is_bottom_up(struct drm_framebuffer *framebuffer); bool tegra_fb_is_tiled(struct drm_framebuffer *framebuffer); +int tegra_drm_fb_prepare(struct drm_device *drm); int tegra_drm_fb_init(struct drm_device *drm); void tegra_drm_fb_exit(struct drm_device *drm); #ifdef CONFIG_DRM_TEGRA_FBDEV diff --git a/drivers/gpu/drm/tegra/fb.c b/drivers/gpu/drm/tegra/fb.c index 9798a708032..fc1528e0bda 100644 --- a/drivers/gpu/drm/tegra/fb.c +++ b/drivers/gpu/drm/tegra/fb.c @@ -267,18 +267,13 @@ release: return err; } -static struct drm_fb_helper_funcs tegra_fb_helper_funcs = { +static const struct drm_fb_helper_funcs tegra_fb_helper_funcs = { .fb_probe = tegra_fbdev_probe, }; -static struct tegra_fbdev *tegra_fbdev_create(struct drm_device *drm, - unsigned int preferred_bpp, - unsigned int num_crtc, - unsigned int max_connectors) +static struct tegra_fbdev *tegra_fbdev_create(struct drm_device *drm) { - struct drm_fb_helper *helper; struct tegra_fbdev *fbdev; - int err; fbdev = kzalloc(sizeof(*fbdev), GFP_KERNEL); if (!fbdev) { @@ -286,13 +281,23 @@ static struct tegra_fbdev *tegra_fbdev_create(struct drm_device *drm, return ERR_PTR(-ENOMEM); } - fbdev->base.funcs = &tegra_fb_helper_funcs; - helper = &fbdev->base; + drm_fb_helper_prepare(drm, &fbdev->base, &tegra_fb_helper_funcs); + + return fbdev; +} + +static int tegra_fbdev_init(struct tegra_fbdev *fbdev, + unsigned int preferred_bpp, + unsigned int num_crtc, + unsigned int max_connectors) +{ + struct drm_device *drm = fbdev->base.dev; + int err; err = drm_fb_helper_init(drm, &fbdev->base, num_crtc, max_connectors); if (err < 0) { dev_err(drm->dev, "failed to initialize DRM FB helper\n"); - goto free; + return err; } err = drm_fb_helper_single_add_all_connectors(&fbdev->base); @@ -301,21 +306,17 @@ static struct tegra_fbdev *tegra_fbdev_create(struct drm_device *drm, goto fini; } - drm_helper_disable_unused_functions(drm); - err = drm_fb_helper_initial_config(&fbdev->base, preferred_bpp); if (err < 0) { dev_err(drm->dev, "failed to set initial configuration\n"); goto fini; } - return fbdev; + return 0; fini: drm_fb_helper_fini(&fbdev->base); -free: - kfree(fbdev); - return ERR_PTR(err); + return err; } static void tegra_fbdev_free(struct tegra_fbdev *fbdev) @@ -366,7 +367,7 @@ static const struct drm_mode_config_funcs tegra_drm_mode_funcs = { #endif }; -int tegra_drm_fb_init(struct drm_device *drm) +int tegra_drm_fb_prepare(struct drm_device *drm) { #ifdef CONFIG_DRM_TEGRA_FBDEV struct tegra_drm *tegra = drm->dev_private; @@ -381,8 +382,7 @@ int tegra_drm_fb_init(struct drm_device *drm) drm->mode_config.funcs = &tegra_drm_mode_funcs; #ifdef CONFIG_DRM_TEGRA_FBDEV - tegra->fbdev = tegra_fbdev_create(drm, 32, drm->mode_config.num_crtc, - drm->mode_config.num_connector); + tegra->fbdev = tegra_fbdev_create(drm); if (IS_ERR(tegra->fbdev)) return PTR_ERR(tegra->fbdev); #endif @@ -390,6 +390,21 @@ int tegra_drm_fb_init(struct drm_device *drm) return 0; } +int tegra_drm_fb_init(struct drm_device *drm) +{ +#ifdef CONFIG_DRM_TEGRA_FBDEV + struct tegra_drm *tegra = drm->dev_private; + int err; + + err = tegra_fbdev_init(tegra->fbdev, 32, drm->mode_config.num_crtc, + drm->mode_config.num_connector); + if (err < 0) + return err; +#endif + + return 0; +} + void tegra_drm_fb_exit(struct drm_device *drm) { #ifdef CONFIG_DRM_TEGRA_FBDEV diff --git a/drivers/gpu/drm/tegra/output.c b/drivers/gpu/drm/tegra/output.c index a3e4f1eca6f..446837e955b 100644 --- a/drivers/gpu/drm/tegra/output.c +++ b/drivers/gpu/drm/tegra/output.c @@ -105,7 +105,7 @@ static void drm_connector_clear(struct drm_connector *connector) static void tegra_connector_destroy(struct drm_connector *connector) { - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); drm_connector_clear(connector); } @@ -318,7 +318,7 @@ int tegra_output_init(struct drm_device *drm, struct tegra_output *output) drm_encoder_helper_add(&output->encoder, &encoder_helper_funcs); drm_mode_connector_attach_encoder(&output->connector, &output->encoder); - drm_sysfs_connector_add(&output->connector); + drm_connector_register(&output->connector); output->encoder.possible_crtcs = 0x3; diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c index b20b69488dc..6be623b4a86 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c @@ -120,8 +120,8 @@ static int cpufreq_transition(struct notifier_block *nb, static int tilcdc_unload(struct drm_device *dev) { struct tilcdc_drm_private *priv = dev->dev_private; - struct tilcdc_module *mod, *cur; + drm_fbdev_cma_fini(priv->fbdev); drm_kms_helper_poll_fini(dev); drm_mode_config_cleanup(dev); drm_vblank_cleanup(dev); @@ -148,11 +148,6 @@ static int tilcdc_unload(struct drm_device *dev) pm_runtime_disable(dev->dev); - list_for_each_entry_safe(mod, cur, &module_list, list) { - DBG("destroying module: %s", mod->name); - mod->funcs->destroy(mod); - } - kfree(priv); return 0; @@ -628,13 +623,13 @@ static int __init tilcdc_drm_init(void) static void __exit tilcdc_drm_fini(void) { DBG("fini"); - tilcdc_tfp410_fini(); - tilcdc_slave_fini(); - tilcdc_panel_fini(); platform_driver_unregister(&tilcdc_platform_driver); + tilcdc_panel_fini(); + tilcdc_slave_fini(); + tilcdc_tfp410_fini(); } -late_initcall(tilcdc_drm_init); +module_init(tilcdc_drm_init); module_exit(tilcdc_drm_fini); MODULE_AUTHOR("Rob Clark <robdclark@gmail.com"); diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.h b/drivers/gpu/drm/tilcdc/tilcdc_drv.h index 093803683b2..7596c144a9f 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_drv.h +++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.h @@ -98,7 +98,6 @@ struct tilcdc_module; struct tilcdc_module_ops { /* create appropriate encoders/connectors: */ int (*modeset_init)(struct tilcdc_module *mod, struct drm_device *dev); - void (*destroy)(struct tilcdc_module *mod); #ifdef CONFIG_DEBUG_FS /* create debugfs nodes (can be NULL): */ int (*debugfs_init)(struct tilcdc_module *mod, struct drm_minor *minor); diff --git a/drivers/gpu/drm/tilcdc/tilcdc_panel.c b/drivers/gpu/drm/tilcdc/tilcdc_panel.c index 86c67329b60..4c7aa1d8134 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_panel.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_panel.c @@ -151,6 +151,7 @@ struct panel_connector { static void panel_connector_destroy(struct drm_connector *connector) { struct panel_connector *panel_connector = to_panel_connector(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); kfree(panel_connector); } @@ -247,7 +248,7 @@ static struct drm_connector *panel_connector_create(struct drm_device *dev, if (ret) goto fail; - drm_sysfs_connector_add(connector); + drm_connector_register(connector); return connector; @@ -281,23 +282,8 @@ static int panel_modeset_init(struct tilcdc_module *mod, struct drm_device *dev) return 0; } -static void panel_destroy(struct tilcdc_module *mod) -{ - struct panel_module *panel_mod = to_panel_module(mod); - - if (panel_mod->timings) { - display_timings_release(panel_mod->timings); - kfree(panel_mod->timings); - } - - tilcdc_module_cleanup(mod); - kfree(panel_mod->info); - kfree(panel_mod); -} - static const struct tilcdc_module_ops panel_module_ops = { .modeset_init = panel_modeset_init, - .destroy = panel_destroy, }; /* @@ -373,6 +359,7 @@ static int panel_probe(struct platform_device *pdev) return -ENOMEM; mod = &panel_mod->base; + pdev->dev.platform_data = mod; tilcdc_module_init(mod, "panel", &panel_module_ops); @@ -380,17 +367,16 @@ static int panel_probe(struct platform_device *pdev) if (IS_ERR(pinctrl)) dev_warn(&pdev->dev, "pins are not configured\n"); - panel_mod->timings = of_get_display_timings(node); if (!panel_mod->timings) { dev_err(&pdev->dev, "could not get panel timings\n"); - goto fail; + goto fail_free; } panel_mod->info = of_get_panel_info(node); if (!panel_mod->info) { dev_err(&pdev->dev, "could not get panel info\n"); - goto fail; + goto fail_timings; } mod->preferred_bpp = panel_mod->info->bpp; @@ -401,13 +387,26 @@ static int panel_probe(struct platform_device *pdev) return 0; -fail: - panel_destroy(mod); +fail_timings: + display_timings_release(panel_mod->timings); + +fail_free: + kfree(panel_mod); + tilcdc_module_cleanup(mod); return ret; } static int panel_remove(struct platform_device *pdev) { + struct tilcdc_module *mod = dev_get_platdata(&pdev->dev); + struct panel_module *panel_mod = to_panel_module(mod); + + display_timings_release(panel_mod->timings); + + tilcdc_module_cleanup(mod); + kfree(panel_mod->info); + kfree(panel_mod); + return 0; } diff --git a/drivers/gpu/drm/tilcdc/tilcdc_slave.c b/drivers/gpu/drm/tilcdc/tilcdc_slave.c index 595068ba2d5..3775fd49dac 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_slave.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_slave.c @@ -166,6 +166,7 @@ struct slave_connector { static void slave_connector_destroy(struct drm_connector *connector) { struct slave_connector *slave_connector = to_slave_connector(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); kfree(slave_connector); } @@ -261,7 +262,7 @@ static struct drm_connector *slave_connector_create(struct drm_device *dev, if (ret) goto fail; - drm_sysfs_connector_add(connector); + drm_connector_register(connector); return connector; @@ -295,17 +296,8 @@ static int slave_modeset_init(struct tilcdc_module *mod, struct drm_device *dev) return 0; } -static void slave_destroy(struct tilcdc_module *mod) -{ - struct slave_module *slave_mod = to_slave_module(mod); - - tilcdc_module_cleanup(mod); - kfree(slave_mod); -} - static const struct tilcdc_module_ops slave_module_ops = { .modeset_init = slave_modeset_init, - .destroy = slave_destroy, }; /* @@ -355,10 +347,13 @@ static int slave_probe(struct platform_device *pdev) } slave_mod = kzalloc(sizeof(*slave_mod), GFP_KERNEL); - if (!slave_mod) - return -ENOMEM; + if (!slave_mod) { + ret = -ENOMEM; + goto fail_adapter; + } mod = &slave_mod->base; + pdev->dev.platform_data = mod; mod->preferred_bpp = slave_info.bpp; @@ -373,10 +368,20 @@ static int slave_probe(struct platform_device *pdev) tilcdc_slave_probedefer(false); return 0; + +fail_adapter: + i2c_put_adapter(slavei2c); + return ret; } static int slave_remove(struct platform_device *pdev) { + struct tilcdc_module *mod = dev_get_platdata(&pdev->dev); + struct slave_module *slave_mod = to_slave_module(mod); + + tilcdc_module_cleanup(mod); + kfree(slave_mod); + return 0; } diff --git a/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c b/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c index c38b56b268a..354c47ca637 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c @@ -167,6 +167,7 @@ struct tfp410_connector { static void tfp410_connector_destroy(struct drm_connector *connector) { struct tfp410_connector *tfp410_connector = to_tfp410_connector(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); kfree(tfp410_connector); } @@ -261,7 +262,7 @@ static struct drm_connector *tfp410_connector_create(struct drm_device *dev, if (ret) goto fail; - drm_sysfs_connector_add(connector); + drm_connector_register(connector); return connector; @@ -295,23 +296,8 @@ static int tfp410_modeset_init(struct tilcdc_module *mod, struct drm_device *dev return 0; } -static void tfp410_destroy(struct tilcdc_module *mod) -{ - struct tfp410_module *tfp410_mod = to_tfp410_module(mod); - - if (tfp410_mod->i2c) - i2c_put_adapter(tfp410_mod->i2c); - - if (!IS_ERR_VALUE(tfp410_mod->gpio)) - gpio_free(tfp410_mod->gpio); - - tilcdc_module_cleanup(mod); - kfree(tfp410_mod); -} - static const struct tilcdc_module_ops tfp410_module_ops = { .modeset_init = tfp410_modeset_init, - .destroy = tfp410_destroy, }; /* @@ -341,6 +327,7 @@ static int tfp410_probe(struct platform_device *pdev) return -ENOMEM; mod = &tfp410_mod->base; + pdev->dev.platform_data = mod; tilcdc_module_init(mod, "tfp410", &tfp410_module_ops); @@ -364,6 +351,7 @@ static int tfp410_probe(struct platform_device *pdev) tfp410_mod->i2c = of_find_i2c_adapter_by_node(i2c_node); if (!tfp410_mod->i2c) { dev_err(&pdev->dev, "could not get i2c\n"); + of_node_put(i2c_node); goto fail; } @@ -377,19 +365,32 @@ static int tfp410_probe(struct platform_device *pdev) ret = gpio_request(tfp410_mod->gpio, "DVI_PDn"); if (ret) { dev_err(&pdev->dev, "could not get DVI_PDn gpio\n"); - goto fail; + goto fail_adapter; } } return 0; +fail_adapter: + i2c_put_adapter(tfp410_mod->i2c); + fail: - tfp410_destroy(mod); + kfree(tfp410_mod); + tilcdc_module_cleanup(mod); return ret; } static int tfp410_remove(struct platform_device *pdev) { + struct tilcdc_module *mod = dev_get_platdata(&pdev->dev); + struct tfp410_module *tfp410_mod = to_tfp410_module(mod); + + i2c_put_adapter(tfp410_mod->i2c); + gpio_free(tfp410_mod->gpio); + + tilcdc_module_cleanup(mod); + kfree(tfp410_mod); + return 0; } diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 4ab9f7171c4..3da89d5dab6 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -412,7 +412,7 @@ static void ttm_bo_cleanup_refs_or_queue(struct ttm_buffer_object *bo) int ret; spin_lock(&glob->lru_lock); - ret = __ttm_bo_reserve(bo, false, true, false, 0); + ret = __ttm_bo_reserve(bo, false, true, false, NULL); spin_lock(&bdev->fence_lock); (void) ttm_bo_wait(bo, false, false, true); @@ -514,7 +514,7 @@ static int ttm_bo_cleanup_refs_and_unlock(struct ttm_buffer_object *bo, return ret; spin_lock(&glob->lru_lock); - ret = __ttm_bo_reserve(bo, false, true, false, 0); + ret = __ttm_bo_reserve(bo, false, true, false, NULL); /* * We raced, and lost, someone else holds the reservation now, @@ -577,11 +577,11 @@ static int ttm_bo_delayed_delete(struct ttm_bo_device *bdev, bool remove_all) kref_get(&nentry->list_kref); } - ret = __ttm_bo_reserve(entry, false, true, false, 0); + ret = __ttm_bo_reserve(entry, false, true, false, NULL); if (remove_all && ret) { spin_unlock(&glob->lru_lock); ret = __ttm_bo_reserve(entry, false, false, - false, 0); + false, NULL); spin_lock(&glob->lru_lock); } @@ -726,7 +726,7 @@ static int ttm_mem_evict_first(struct ttm_bo_device *bdev, spin_lock(&glob->lru_lock); list_for_each_entry(bo, &man->lru, lru) { - ret = __ttm_bo_reserve(bo, false, true, false, 0); + ret = __ttm_bo_reserve(bo, false, true, false, NULL); if (!ret) break; } @@ -784,7 +784,7 @@ static int ttm_bo_mem_force_space(struct ttm_buffer_object *bo, int ret; do { - ret = (*man->func->get_node)(man, bo, placement, mem); + ret = (*man->func->get_node)(man, bo, placement, 0, mem); if (unlikely(ret != 0)) return ret; if (mem->mm_node) @@ -897,7 +897,8 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo, if (man->has_type && man->use_type) { type_found = true; - ret = (*man->func->get_node)(man, bo, placement, mem); + ret = (*man->func->get_node)(man, bo, placement, + cur_flags, mem); if (unlikely(ret)) return ret; } @@ -937,7 +938,6 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo, ttm_flag_masked(&cur_flags, placement->busy_placement[i], ~TTM_PL_MASK_MEMTYPE); - if (mem_type == TTM_PL_SYSTEM) { mem->mem_type = mem_type; mem->placement = cur_flags; @@ -1595,7 +1595,7 @@ int ttm_bo_synccpu_write_grab(struct ttm_buffer_object *bo, bool no_wait) * Using ttm_bo_reserve makes sure the lru lists are updated. */ - ret = ttm_bo_reserve(bo, true, no_wait, false, 0); + ret = ttm_bo_reserve(bo, true, no_wait, false, NULL); if (unlikely(ret != 0)) return ret; spin_lock(&bdev->fence_lock); @@ -1630,7 +1630,7 @@ static int ttm_bo_swapout(struct ttm_mem_shrink *shrink) spin_lock(&glob->lru_lock); list_for_each_entry(bo, &glob->swap_lru, swap) { - ret = __ttm_bo_reserve(bo, false, true, false, 0); + ret = __ttm_bo_reserve(bo, false, true, false, NULL); if (!ret) break; } diff --git a/drivers/gpu/drm/ttm/ttm_bo_manager.c b/drivers/gpu/drm/ttm/ttm_bo_manager.c index bd850c9f4bc..9e103a4875c 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_manager.c +++ b/drivers/gpu/drm/ttm/ttm_bo_manager.c @@ -50,6 +50,7 @@ struct ttm_range_manager { static int ttm_bo_man_get_node(struct ttm_mem_type_manager *man, struct ttm_buffer_object *bo, struct ttm_placement *placement, + uint32_t flags, struct ttm_mem_reg *mem) { struct ttm_range_manager *rman = (struct ttm_range_manager *) man->priv; @@ -67,7 +68,7 @@ static int ttm_bo_man_get_node(struct ttm_mem_type_manager *man, if (!node) return -ENOMEM; - if (bo->mem.placement & TTM_PL_FLAG_TOPDOWN) + if (flags & TTM_PL_FLAG_TOPDOWN) aflags = DRM_MM_CREATE_TOP; spin_lock(&rman->lock); diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c index 1df856f7856..30e5d90cb7b 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_util.c +++ b/drivers/gpu/drm/ttm/ttm_bo_util.c @@ -500,7 +500,7 @@ pgprot_t ttm_io_prot(uint32_t caching_flags, pgprot_t tmp) pgprot_val(tmp) |= _PAGE_GUARDED; } #endif -#if defined(__ia64__) +#if defined(__ia64__) || defined(__arm__) if (caching_flags & TTM_PL_FLAG_WC) tmp = pgprot_writecombine(tmp); else diff --git a/drivers/gpu/drm/ttm/ttm_module.c b/drivers/gpu/drm/ttm/ttm_module.c index d7f92fe9d90..66fc6395eb5 100644 --- a/drivers/gpu/drm/ttm/ttm_module.c +++ b/drivers/gpu/drm/ttm/ttm_module.c @@ -35,7 +35,7 @@ #include <drm/drm_sysfs.h> static DECLARE_WAIT_QUEUE_HEAD(exit_q); -atomic_t device_released; +static atomic_t device_released; static struct device_type ttm_drm_class_type = { .name = "ttm", diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c index 863bef9f923..beb8e75a3f0 100644 --- a/drivers/gpu/drm/ttm/ttm_page_alloc.c +++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c @@ -790,7 +790,7 @@ static int ttm_get_pages(struct page **pages, unsigned npages, int flags, return 0; } -static void ttm_page_pool_init_locked(struct ttm_page_pool *pool, int flags, +static void ttm_page_pool_init_locked(struct ttm_page_pool *pool, gfp_t flags, char *name) { spin_lock_init(&pool->lock); diff --git a/drivers/gpu/drm/udl/udl_connector.c b/drivers/gpu/drm/udl/udl_connector.c index b44d548c56f..e026a9e2942 100644 --- a/drivers/gpu/drm/udl/udl_connector.c +++ b/drivers/gpu/drm/udl/udl_connector.c @@ -105,14 +105,7 @@ static struct drm_encoder* udl_best_single_encoder(struct drm_connector *connector) { int enc_id = connector->encoder_ids[0]; - struct drm_mode_object *obj; - struct drm_encoder *encoder; - - obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER); - if (!obj) - return NULL; - encoder = obj_to_encoder(obj); - return encoder; + return drm_encoder_find(connector->dev, enc_id); } static int udl_connector_set_property(struct drm_connector *connector, @@ -124,7 +117,7 @@ static int udl_connector_set_property(struct drm_connector *connector, static void udl_connector_destroy(struct drm_connector *connector) { - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); kfree(connector); } @@ -154,7 +147,7 @@ int udl_connector_init(struct drm_device *dev, struct drm_encoder *encoder) drm_connector_init(dev, connector, &udl_connector_funcs, DRM_MODE_CONNECTOR_DVII); drm_connector_helper_add(connector, &udl_connector_helper_funcs); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); drm_mode_connector_attach_encoder(connector, encoder); drm_object_attach_property(&connector->base, diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c index 377176372da..d1da339843c 100644 --- a/drivers/gpu/drm/udl/udl_fb.c +++ b/drivers/gpu/drm/udl/udl_fb.c @@ -550,7 +550,7 @@ out: return ret; } -static struct drm_fb_helper_funcs udl_fb_helper_funcs = { +static const struct drm_fb_helper_funcs udl_fb_helper_funcs = { .fb_probe = udlfb_create, }; @@ -583,7 +583,8 @@ int udl_fbdev_init(struct drm_device *dev) return -ENOMEM; udl->fbdev = ufbdev; - ufbdev->helper.funcs = &udl_fb_helper_funcs; + + drm_fb_helper_prepare(dev, &ufbdev->helper, &udl_fb_helper_funcs); ret = drm_fb_helper_init(dev, &ufbdev->helper, 1, 1); diff --git a/drivers/gpu/drm/udl/udl_gem.c b/drivers/gpu/drm/udl/udl_gem.c index c041cd73f39..8044f5fb7c4 100644 --- a/drivers/gpu/drm/udl/udl_gem.c +++ b/drivers/gpu/drm/udl/udl_gem.c @@ -107,14 +107,14 @@ int udl_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf) } } -static int udl_gem_get_pages(struct udl_gem_object *obj, gfp_t gfpmask) +static int udl_gem_get_pages(struct udl_gem_object *obj) { struct page **pages; if (obj->pages) return 0; - pages = drm_gem_get_pages(&obj->base, gfpmask); + pages = drm_gem_get_pages(&obj->base); if (IS_ERR(pages)) return PTR_ERR(pages); @@ -147,7 +147,7 @@ int udl_gem_vmap(struct udl_gem_object *obj) return 0; } - ret = udl_gem_get_pages(obj, GFP_KERNEL); + ret = udl_gem_get_pages(obj); if (ret) return ret; @@ -205,7 +205,7 @@ int udl_gem_mmap(struct drm_file *file, struct drm_device *dev, } gobj = to_udl_bo(obj); - ret = udl_gem_get_pages(gobj, GFP_KERNEL); + ret = udl_gem_get_pages(gobj); if (ret) goto out; ret = drm_gem_create_mmap_offset(obj); diff --git a/drivers/gpu/drm/udl/udl_main.c b/drivers/gpu/drm/udl/udl_main.c index 7094b92d1ec..42795674bc0 100644 --- a/drivers/gpu/drm/udl/udl_main.c +++ b/drivers/gpu/drm/udl/udl_main.c @@ -306,10 +306,23 @@ int udl_driver_load(struct drm_device *dev, unsigned long flags) DRM_DEBUG("\n"); ret = udl_modeset_init(dev); + if (ret) + goto err; ret = udl_fbdev_init(dev); + if (ret) + goto err; + + ret = drm_vblank_init(dev, 1); + if (ret) + goto err_fb; + return 0; +err_fb: + udl_fbdev_cleanup(dev); err: + if (udl->urbs.count) + udl_free_urb_list(dev); kfree(udl); DRM_ERROR("%d\n", ret); return ret; @@ -325,6 +338,8 @@ int udl_driver_unload(struct drm_device *dev) { struct udl_device *udl = dev->dev_private; + drm_vblank_cleanup(dev); + if (udl->urbs.count) udl_free_urb_list(dev); diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c index cddc4fcf35c..dc145d320b2 100644 --- a/drivers/gpu/drm/udl/udl_modeset.c +++ b/drivers/gpu/drm/udl/udl_modeset.c @@ -363,6 +363,26 @@ static void udl_crtc_destroy(struct drm_crtc *crtc) kfree(crtc); } +static int udl_crtc_page_flip(struct drm_crtc *crtc, + struct drm_framebuffer *fb, + struct drm_pending_vblank_event *event, + uint32_t page_flip_flags) +{ + struct udl_framebuffer *ufb = to_udl_fb(fb); + struct drm_device *dev = crtc->dev; + unsigned long flags; + + udl_handle_damage(ufb, 0, 0, fb->width, fb->height); + + spin_lock_irqsave(&dev->event_lock, flags); + if (event) + drm_send_vblank_event(dev, 0, event); + spin_unlock_irqrestore(&dev->event_lock, flags); + crtc->primary->fb = fb; + + return 0; +} + static void udl_crtc_prepare(struct drm_crtc *crtc) { } @@ -384,6 +404,7 @@ static struct drm_crtc_helper_funcs udl_helper_funcs = { static const struct drm_crtc_funcs udl_crtc_funcs = { .set_config = drm_crtc_helper_set_config, .destroy = udl_crtc_destroy, + .page_flip = udl_crtc_page_flip, }; static int udl_crtc_init(struct drm_device *dev) diff --git a/drivers/gpu/drm/vmwgfx/Makefile b/drivers/gpu/drm/vmwgfx/Makefile index 458cdf6d81e..ce0ab951f50 100644 --- a/drivers/gpu/drm/vmwgfx/Makefile +++ b/drivers/gpu/drm/vmwgfx/Makefile @@ -6,6 +6,7 @@ vmwgfx-y := vmwgfx_execbuf.o vmwgfx_gmr.o vmwgfx_kms.o vmwgfx_drv.o \ vmwgfx_fifo.o vmwgfx_irq.o vmwgfx_ldu.o vmwgfx_ttm_glue.o \ vmwgfx_overlay.o vmwgfx_marker.o vmwgfx_gmrid_manager.o \ vmwgfx_fence.o vmwgfx_dmabuf.o vmwgfx_scrn.o vmwgfx_context.o \ - vmwgfx_surface.o vmwgfx_prime.o vmwgfx_mob.o vmwgfx_shader.o + vmwgfx_surface.o vmwgfx_prime.o vmwgfx_mob.o vmwgfx_shader.o \ + vmwgfx_cmdbuf_res.o \ obj-$(CONFIG_DRM_VMWGFX) := vmwgfx.o diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c new file mode 100644 index 00000000000..bfeb4b1f2ac --- /dev/null +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c @@ -0,0 +1,341 @@ +/************************************************************************** + * + * Copyright © 2014 VMware, Inc., Palo Alto, CA., USA + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include "vmwgfx_drv.h" + +#define VMW_CMDBUF_RES_MAN_HT_ORDER 12 + +enum vmw_cmdbuf_res_state { + VMW_CMDBUF_RES_COMMITED, + VMW_CMDBUF_RES_ADD, + VMW_CMDBUF_RES_DEL +}; + +/** + * struct vmw_cmdbuf_res - Command buffer managed resource entry. + * + * @res: Refcounted pointer to a struct vmw_resource. + * @hash: Hash entry for the manager hash table. + * @head: List head used either by the staging list or the manager list + * of commited resources. + * @state: Staging state of this resource entry. + * @man: Pointer to a resource manager for this entry. + */ +struct vmw_cmdbuf_res { + struct vmw_resource *res; + struct drm_hash_item hash; + struct list_head head; + enum vmw_cmdbuf_res_state state; + struct vmw_cmdbuf_res_manager *man; +}; + +/** + * struct vmw_cmdbuf_res_manager - Command buffer resource manager. + * + * @resources: Hash table containing staged and commited command buffer + * resources + * @list: List of commited command buffer resources. + * @dev_priv: Pointer to a device private structure. + * + * @resources and @list are protected by the cmdbuf mutex for now. + */ +struct vmw_cmdbuf_res_manager { + struct drm_open_hash resources; + struct list_head list; + struct vmw_private *dev_priv; +}; + + +/** + * vmw_cmdbuf_res_lookup - Look up a command buffer resource + * + * @man: Pointer to the command buffer resource manager + * @resource_type: The resource type, that combined with the user key + * identifies the resource. + * @user_key: The user key. + * + * Returns a valid refcounted struct vmw_resource pointer on success, + * an error pointer on failure. + */ +struct vmw_resource * +vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, + enum vmw_cmdbuf_res_type res_type, + u32 user_key) +{ + struct drm_hash_item *hash; + int ret; + unsigned long key = user_key | (res_type << 24); + + ret = drm_ht_find_item(&man->resources, key, &hash); + if (unlikely(ret != 0)) + return ERR_PTR(ret); + + return vmw_resource_reference + (drm_hash_entry(hash, struct vmw_cmdbuf_res, hash)->res); +} + +/** + * vmw_cmdbuf_res_free - Free a command buffer resource. + * + * @man: Pointer to the command buffer resource manager + * @entry: Pointer to a struct vmw_cmdbuf_res. + * + * Frees a struct vmw_cmdbuf_res entry and drops its reference to the + * struct vmw_resource. + */ +static void vmw_cmdbuf_res_free(struct vmw_cmdbuf_res_manager *man, + struct vmw_cmdbuf_res *entry) +{ + list_del(&entry->head); + WARN_ON(drm_ht_remove_item(&man->resources, &entry->hash)); + vmw_resource_unreference(&entry->res); + kfree(entry); +} + +/** + * vmw_cmdbuf_res_commit - Commit a list of command buffer resource actions + * + * @list: Caller's list of command buffer resource actions. + * + * This function commits a list of command buffer resource + * additions or removals. + * It is typically called when the execbuf ioctl call triggering these + * actions has commited the fifo contents to the device. + */ +void vmw_cmdbuf_res_commit(struct list_head *list) +{ + struct vmw_cmdbuf_res *entry, *next; + + list_for_each_entry_safe(entry, next, list, head) { + list_del(&entry->head); + switch (entry->state) { + case VMW_CMDBUF_RES_ADD: + entry->state = VMW_CMDBUF_RES_COMMITED; + list_add_tail(&entry->head, &entry->man->list); + break; + case VMW_CMDBUF_RES_DEL: + vmw_resource_unreference(&entry->res); + kfree(entry); + break; + default: + BUG(); + break; + } + } +} + +/** + * vmw_cmdbuf_res_revert - Revert a list of command buffer resource actions + * + * @man: Pointer to the command buffer resource manager + * @list: Caller's list of command buffer resource action + * + * This function reverts a list of command buffer resource + * additions or removals. + * It is typically called when the execbuf ioctl call triggering these + * actions failed for some reason, and the command stream was never + * submitted. + */ +void vmw_cmdbuf_res_revert(struct list_head *list) +{ + struct vmw_cmdbuf_res *entry, *next; + int ret; + + list_for_each_entry_safe(entry, next, list, head) { + switch (entry->state) { + case VMW_CMDBUF_RES_ADD: + vmw_cmdbuf_res_free(entry->man, entry); + break; + case VMW_CMDBUF_RES_DEL: + ret = drm_ht_insert_item(&entry->man->resources, + &entry->hash); + list_del(&entry->head); + list_add_tail(&entry->head, &entry->man->list); + entry->state = VMW_CMDBUF_RES_COMMITED; + break; + default: + BUG(); + break; + } + } +} + +/** + * vmw_cmdbuf_res_add - Stage a command buffer managed resource for addition. + * + * @man: Pointer to the command buffer resource manager. + * @res_type: The resource type. + * @user_key: The user-space id of the resource. + * @res: Valid (refcount != 0) pointer to a struct vmw_resource. + * @list: The staging list. + * + * This function allocates a struct vmw_cmdbuf_res entry and adds the + * resource to the hash table of the manager identified by @man. The + * entry is then put on the staging list identified by @list. + */ +int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, + enum vmw_cmdbuf_res_type res_type, + u32 user_key, + struct vmw_resource *res, + struct list_head *list) +{ + struct vmw_cmdbuf_res *cres; + int ret; + + cres = kzalloc(sizeof(*cres), GFP_KERNEL); + if (unlikely(cres == NULL)) + return -ENOMEM; + + cres->hash.key = user_key | (res_type << 24); + ret = drm_ht_insert_item(&man->resources, &cres->hash); + if (unlikely(ret != 0)) + goto out_invalid_key; + + cres->state = VMW_CMDBUF_RES_ADD; + cres->res = vmw_resource_reference(res); + cres->man = man; + list_add_tail(&cres->head, list); + +out_invalid_key: + return ret; +} + +/** + * vmw_cmdbuf_res_remove - Stage a command buffer managed resource for removal. + * + * @man: Pointer to the command buffer resource manager. + * @res_type: The resource type. + * @user_key: The user-space id of the resource. + * @list: The staging list. + * + * This function looks up the struct vmw_cmdbuf_res entry from the manager + * hash table and, if it exists, removes it. Depending on its current staging + * state it then either removes the entry from the staging list or adds it + * to it with a staging state of removal. + */ +int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, + enum vmw_cmdbuf_res_type res_type, + u32 user_key, + struct list_head *list) +{ + struct vmw_cmdbuf_res *entry; + struct drm_hash_item *hash; + int ret; + + ret = drm_ht_find_item(&man->resources, user_key, &hash); + if (likely(ret != 0)) + return -EINVAL; + + entry = drm_hash_entry(hash, struct vmw_cmdbuf_res, hash); + + switch (entry->state) { + case VMW_CMDBUF_RES_ADD: + vmw_cmdbuf_res_free(man, entry); + break; + case VMW_CMDBUF_RES_COMMITED: + (void) drm_ht_remove_item(&man->resources, &entry->hash); + list_del(&entry->head); + entry->state = VMW_CMDBUF_RES_DEL; + list_add_tail(&entry->head, list); + break; + default: + BUG(); + break; + } + + return 0; +} + +/** + * vmw_cmdbuf_res_man_create - Allocate a command buffer managed resource + * manager. + * + * @dev_priv: Pointer to a struct vmw_private + * + * Allocates and initializes a command buffer managed resource manager. Returns + * an error pointer on failure. + */ +struct vmw_cmdbuf_res_manager * +vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv) +{ + struct vmw_cmdbuf_res_manager *man; + int ret; + + man = kzalloc(sizeof(*man), GFP_KERNEL); + if (man == NULL) + return ERR_PTR(-ENOMEM); + + man->dev_priv = dev_priv; + INIT_LIST_HEAD(&man->list); + ret = drm_ht_create(&man->resources, VMW_CMDBUF_RES_MAN_HT_ORDER); + if (ret == 0) + return man; + + kfree(man); + return ERR_PTR(ret); +} + +/** + * vmw_cmdbuf_res_man_destroy - Destroy a command buffer managed resource + * manager. + * + * @man: Pointer to the manager to destroy. + * + * This function destroys a command buffer managed resource manager and + * unreferences / frees all command buffer managed resources and -entries + * associated with it. + */ +void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man) +{ + struct vmw_cmdbuf_res *entry, *next; + + list_for_each_entry_safe(entry, next, &man->list, head) + vmw_cmdbuf_res_free(man, entry); + + kfree(man); +} + +/** + * + * vmw_cmdbuf_res_man_size - Return the size of a command buffer managed + * resource manager + * + * Returns the approximate allocation size of a command buffer managed + * resource manager. + */ +size_t vmw_cmdbuf_res_man_size(void) +{ + static size_t res_man_size; + + if (unlikely(res_man_size == 0)) + res_man_size = + ttm_round_pot(sizeof(struct vmw_cmdbuf_res_manager)) + + ttm_round_pot(sizeof(struct hlist_head) << + VMW_CMDBUF_RES_MAN_HT_ORDER); + + return res_man_size; +} diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_context.c b/drivers/gpu/drm/vmwgfx/vmwgfx_context.c index 8bb26dcd9ea..5ac92874404 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_context.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_context.c @@ -33,6 +33,7 @@ struct vmw_user_context { struct ttm_base_object base; struct vmw_resource res; struct vmw_ctx_binding_state cbs; + struct vmw_cmdbuf_res_manager *man; }; @@ -103,7 +104,8 @@ static const vmw_scrub_func vmw_scrub_funcs[vmw_ctx_binding_max] = { static void vmw_hw_context_destroy(struct vmw_resource *res) { - + struct vmw_user_context *uctx = + container_of(res, struct vmw_user_context, res); struct vmw_private *dev_priv = res->dev_priv; struct { SVGA3dCmdHeader header; @@ -113,9 +115,9 @@ static void vmw_hw_context_destroy(struct vmw_resource *res) if (res->func->destroy == vmw_gb_context_destroy) { mutex_lock(&dev_priv->cmdbuf_mutex); + vmw_cmdbuf_res_man_destroy(uctx->man); mutex_lock(&dev_priv->binding_mutex); - (void) vmw_context_binding_state_kill - (&container_of(res, struct vmw_user_context, res)->cbs); + (void) vmw_context_binding_state_kill(&uctx->cbs); (void) vmw_gb_context_destroy(res); mutex_unlock(&dev_priv->binding_mutex); if (dev_priv->pinned_bo != NULL && @@ -152,13 +154,16 @@ static int vmw_gb_context_init(struct vmw_private *dev_priv, ret = vmw_resource_init(dev_priv, res, true, res_free, &vmw_gb_context_func); res->backup_size = SVGA3D_CONTEXT_DATA_SIZE; + if (unlikely(ret != 0)) + goto out_err; - if (unlikely(ret != 0)) { - if (res_free) - res_free(res); - else - kfree(res); - return ret; + if (dev_priv->has_mob) { + uctx->man = vmw_cmdbuf_res_man_create(dev_priv); + if (unlikely(IS_ERR(uctx->man))) { + ret = PTR_ERR(uctx->man); + uctx->man = NULL; + goto out_err; + } } memset(&uctx->cbs, 0, sizeof(uctx->cbs)); @@ -166,6 +171,13 @@ static int vmw_gb_context_init(struct vmw_private *dev_priv, vmw_resource_activate(res, vmw_hw_context_destroy); return 0; + +out_err: + if (res_free) + res_free(res); + else + kfree(res); + return ret; } static int vmw_context_init(struct vmw_private *dev_priv, @@ -471,7 +483,8 @@ int vmw_context_define_ioctl(struct drm_device *dev, void *data, */ if (unlikely(vmw_user_context_size == 0)) - vmw_user_context_size = ttm_round_pot(sizeof(*ctx)) + 128; + vmw_user_context_size = ttm_round_pot(sizeof(*ctx)) + 128 + + ((dev_priv->has_mob) ? vmw_cmdbuf_res_man_size() : 0); ret = ttm_read_lock(&dev_priv->reservation_sem, true); if (unlikely(ret != 0)) @@ -901,3 +914,8 @@ struct list_head *vmw_context_binding_list(struct vmw_resource *ctx) { return &(container_of(ctx, struct vmw_user_context, res)->cbs.list); } + +struct vmw_cmdbuf_res_manager *vmw_context_res_man(struct vmw_resource *ctx) +{ + return container_of(ctx, struct vmw_user_context, res)->man; +} diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c index 70ddce8358b..ed1d51006ab 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c @@ -61,7 +61,7 @@ int vmw_dmabuf_to_placement(struct vmw_private *dev_priv, vmw_execbuf_release_pinned_bo(dev_priv); - ret = ttm_bo_reserve(bo, interruptible, false, false, 0); + ret = ttm_bo_reserve(bo, interruptible, false, false, NULL); if (unlikely(ret != 0)) goto err; @@ -105,7 +105,7 @@ int vmw_dmabuf_to_vram_or_gmr(struct vmw_private *dev_priv, if (pin) vmw_execbuf_release_pinned_bo(dev_priv); - ret = ttm_bo_reserve(bo, interruptible, false, false, 0); + ret = ttm_bo_reserve(bo, interruptible, false, false, NULL); if (unlikely(ret != 0)) goto err; @@ -212,7 +212,7 @@ int vmw_dmabuf_to_start_of_vram(struct vmw_private *dev_priv, if (pin) vmw_execbuf_release_pinned_bo(dev_priv); - ret = ttm_bo_reserve(bo, interruptible, false, false, 0); + ret = ttm_bo_reserve(bo, interruptible, false, false, NULL); if (unlikely(ret != 0)) goto err_unlock; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index 246a62bab37..18b54acacfb 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -316,7 +316,7 @@ static int vmw_dummy_query_bo_create(struct vmw_private *dev_priv) if (unlikely(ret != 0)) return ret; - ret = ttm_bo_reserve(bo, false, true, false, 0); + ret = ttm_bo_reserve(bo, false, true, false, NULL); BUG_ON(ret != 0); ret = ttm_bo_kmap(bo, 0, 1, &map); @@ -946,7 +946,6 @@ static void vmw_postclose(struct drm_device *dev, drm_master_put(&vmw_fp->locked_master); } - vmw_compat_shader_man_destroy(vmw_fp->shman); ttm_object_file_release(&vmw_fp->tfile); kfree(vmw_fp); } @@ -966,16 +965,10 @@ static int vmw_driver_open(struct drm_device *dev, struct drm_file *file_priv) if (unlikely(vmw_fp->tfile == NULL)) goto out_no_tfile; - vmw_fp->shman = vmw_compat_shader_man_create(dev_priv); - if (IS_ERR(vmw_fp->shman)) - goto out_no_shman; - file_priv->driver_priv = vmw_fp; return 0; -out_no_shman: - ttm_object_file_release(&vmw_fp->tfile); out_no_tfile: kfree(vmw_fp); return ret; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h index 6b252a887ae..c1811750cc8 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h @@ -40,10 +40,10 @@ #include <drm/ttm/ttm_module.h> #include "vmwgfx_fence.h" -#define VMWGFX_DRIVER_DATE "20140325" +#define VMWGFX_DRIVER_DATE "20140704" #define VMWGFX_DRIVER_MAJOR 2 #define VMWGFX_DRIVER_MINOR 6 -#define VMWGFX_DRIVER_PATCHLEVEL 0 +#define VMWGFX_DRIVER_PATCHLEVEL 1 #define VMWGFX_FILE_PAGE_OFFSET 0x00100000 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024) #define VMWGFX_MAX_RELOCATIONS 2048 @@ -75,14 +75,11 @@ #define VMW_RES_FENCE ttm_driver_type3 #define VMW_RES_SHADER ttm_driver_type4 -struct vmw_compat_shader_manager; - struct vmw_fpriv { struct drm_master *locked_master; struct ttm_object_file *tfile; struct list_head fence_events; bool gb_aware; - struct vmw_compat_shader_manager *shman; }; struct vmw_dma_buffer { @@ -124,6 +121,10 @@ struct vmw_resource { void (*hw_destroy) (struct vmw_resource *res); }; + +/* + * Resources that are managed using ioctls. + */ enum vmw_res_type { vmw_res_context, vmw_res_surface, @@ -132,6 +133,15 @@ enum vmw_res_type { vmw_res_max }; +/* + * Resources that are managed using command streams. + */ +enum vmw_cmdbuf_res_type { + vmw_cmdbuf_res_compat_shader +}; + +struct vmw_cmdbuf_res_manager; + struct vmw_cursor_snooper { struct drm_crtc *crtc; size_t age; @@ -341,7 +351,7 @@ struct vmw_sw_context{ bool needs_post_query_barrier; struct vmw_resource *error_resource; struct vmw_ctx_binding_state staged_bindings; - struct list_head staged_shaders; + struct list_head staged_cmd_res; }; struct vmw_legacy_display; @@ -974,7 +984,8 @@ extern void vmw_context_binding_res_list_kill(struct list_head *head); extern void vmw_context_binding_res_list_scrub(struct list_head *head); extern int vmw_context_rebind_all(struct vmw_resource *ctx); extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); - +extern struct vmw_cmdbuf_res_manager * +vmw_context_res_man(struct vmw_resource *ctx); /* * Surface management - vmwgfx_surface.c */ @@ -1008,27 +1019,42 @@ extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); -extern int vmw_compat_shader_lookup(struct vmw_compat_shader_manager *man, - SVGA3dShaderType shader_type, - u32 *user_key); -extern void vmw_compat_shaders_commit(struct vmw_compat_shader_manager *man, - struct list_head *list); -extern void vmw_compat_shaders_revert(struct vmw_compat_shader_manager *man, - struct list_head *list); -extern int vmw_compat_shader_remove(struct vmw_compat_shader_manager *man, - u32 user_key, - SVGA3dShaderType shader_type, - struct list_head *list); -extern int vmw_compat_shader_add(struct vmw_compat_shader_manager *man, +extern int vmw_compat_shader_add(struct vmw_private *dev_priv, + struct vmw_cmdbuf_res_manager *man, u32 user_key, const void *bytecode, SVGA3dShaderType shader_type, size_t size, - struct ttm_object_file *tfile, struct list_head *list); -extern struct vmw_compat_shader_manager * -vmw_compat_shader_man_create(struct vmw_private *dev_priv); -extern void -vmw_compat_shader_man_destroy(struct vmw_compat_shader_manager *man); +extern int vmw_compat_shader_remove(struct vmw_cmdbuf_res_manager *man, + u32 user_key, SVGA3dShaderType shader_type, + struct list_head *list); +extern struct vmw_resource * +vmw_compat_shader_lookup(struct vmw_cmdbuf_res_manager *man, + u32 user_key, SVGA3dShaderType shader_type); + +/* + * Command buffer managed resources - vmwgfx_cmdbuf_res.c + */ + +extern struct vmw_cmdbuf_res_manager * +vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); +extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); +extern size_t vmw_cmdbuf_res_man_size(void); +extern struct vmw_resource * +vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, + enum vmw_cmdbuf_res_type res_type, + u32 user_key); +extern void vmw_cmdbuf_res_revert(struct list_head *list); +extern void vmw_cmdbuf_res_commit(struct list_head *list); +extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, + enum vmw_cmdbuf_res_type res_type, + u32 user_key, + struct vmw_resource *res, + struct list_head *list); +extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, + enum vmw_cmdbuf_res_type res_type, + u32 user_key, + struct list_head *list); /** diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c index 87df0b3674f..7bfdaa163a3 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c @@ -422,28 +422,91 @@ static int vmw_resources_validate(struct vmw_sw_context *sw_context) return 0; } + +/** + * vmw_cmd_res_reloc_add - Add a resource to a software context's + * relocation- and validation lists. + * + * @dev_priv: Pointer to a struct vmw_private identifying the device. + * @sw_context: Pointer to the software context. + * @res_type: Resource type. + * @id_loc: Pointer to where the id that needs translation is located. + * @res: Valid pointer to a struct vmw_resource. + * @p_val: If non null, a pointer to the struct vmw_resource_validate_node + * used for this resource is returned here. + */ +static int vmw_cmd_res_reloc_add(struct vmw_private *dev_priv, + struct vmw_sw_context *sw_context, + enum vmw_res_type res_type, + uint32_t *id_loc, + struct vmw_resource *res, + struct vmw_resource_val_node **p_val) +{ + int ret; + struct vmw_resource_val_node *node; + + *p_val = NULL; + ret = vmw_resource_relocation_add(&sw_context->res_relocations, + res, + id_loc - sw_context->buf_start); + if (unlikely(ret != 0)) + goto out_err; + + ret = vmw_resource_val_add(sw_context, res, &node); + if (unlikely(ret != 0)) + goto out_err; + + if (res_type == vmw_res_context && dev_priv->has_mob && + node->first_usage) { + + /* + * Put contexts first on the list to be able to exit + * list traversal for contexts early. + */ + list_del(&node->head); + list_add(&node->head, &sw_context->resource_list); + + ret = vmw_resource_context_res_add(dev_priv, sw_context, res); + if (unlikely(ret != 0)) + goto out_err; + node->staged_bindings = + kzalloc(sizeof(*node->staged_bindings), GFP_KERNEL); + if (node->staged_bindings == NULL) { + DRM_ERROR("Failed to allocate context binding " + "information.\n"); + goto out_err; + } + INIT_LIST_HEAD(&node->staged_bindings->list); + } + + if (p_val) + *p_val = node; + +out_err: + return ret; +} + + /** - * vmw_cmd_compat_res_check - Check that a resource is present and if so, put it + * vmw_cmd_res_check - Check that a resource is present and if so, put it * on the resource validate list unless it's already there. * * @dev_priv: Pointer to a device private structure. * @sw_context: Pointer to the software context. * @res_type: Resource type. * @converter: User-space visisble type specific information. - * @id: user-space resource id handle. * @id_loc: Pointer to the location in the command buffer currently being * parsed from where the user-space resource id handle is located. * @p_val: Pointer to pointer to resource validalidation node. Populated * on exit. */ static int -vmw_cmd_compat_res_check(struct vmw_private *dev_priv, - struct vmw_sw_context *sw_context, - enum vmw_res_type res_type, - const struct vmw_user_resource_conv *converter, - uint32_t id, - uint32_t *id_loc, - struct vmw_resource_val_node **p_val) +vmw_cmd_res_check(struct vmw_private *dev_priv, + struct vmw_sw_context *sw_context, + enum vmw_res_type res_type, + const struct vmw_user_resource_conv *converter, + uint32_t *id_loc, + struct vmw_resource_val_node **p_val) { struct vmw_res_cache_entry *rcache = &sw_context->res_cache[res_type]; @@ -451,7 +514,7 @@ vmw_cmd_compat_res_check(struct vmw_private *dev_priv, struct vmw_resource_val_node *node; int ret; - if (id == SVGA3D_INVALID_ID) { + if (*id_loc == SVGA3D_INVALID_ID) { if (p_val) *p_val = NULL; if (res_type == vmw_res_context) { @@ -466,7 +529,7 @@ vmw_cmd_compat_res_check(struct vmw_private *dev_priv, * resource */ - if (likely(rcache->valid && id == rcache->handle)) { + if (likely(rcache->valid && *id_loc == rcache->handle)) { const struct vmw_resource *res = rcache->res; rcache->node->first_usage = false; @@ -480,49 +543,28 @@ vmw_cmd_compat_res_check(struct vmw_private *dev_priv, ret = vmw_user_resource_lookup_handle(dev_priv, sw_context->fp->tfile, - id, + *id_loc, converter, &res); if (unlikely(ret != 0)) { DRM_ERROR("Could not find or use resource 0x%08x.\n", - (unsigned) id); + (unsigned) *id_loc); dump_stack(); return ret; } rcache->valid = true; rcache->res = res; - rcache->handle = id; - - ret = vmw_resource_relocation_add(&sw_context->res_relocations, - res, - id_loc - sw_context->buf_start); - if (unlikely(ret != 0)) - goto out_no_reloc; + rcache->handle = *id_loc; - ret = vmw_resource_val_add(sw_context, res, &node); + ret = vmw_cmd_res_reloc_add(dev_priv, sw_context, res_type, id_loc, + res, &node); if (unlikely(ret != 0)) goto out_no_reloc; rcache->node = node; if (p_val) *p_val = node; - - if (dev_priv->has_mob && node->first_usage && - res_type == vmw_res_context) { - ret = vmw_resource_context_res_add(dev_priv, sw_context, res); - if (unlikely(ret != 0)) - goto out_no_reloc; - node->staged_bindings = - kzalloc(sizeof(*node->staged_bindings), GFP_KERNEL); - if (node->staged_bindings == NULL) { - DRM_ERROR("Failed to allocate context binding " - "information.\n"); - goto out_no_reloc; - } - INIT_LIST_HEAD(&node->staged_bindings->list); - } - vmw_resource_unreference(&res); return 0; @@ -534,31 +576,6 @@ out_no_reloc: } /** - * vmw_cmd_res_check - Check that a resource is present and if so, put it - * on the resource validate list unless it's already there. - * - * @dev_priv: Pointer to a device private structure. - * @sw_context: Pointer to the software context. - * @res_type: Resource type. - * @converter: User-space visisble type specific information. - * @id_loc: Pointer to the location in the command buffer currently being - * parsed from where the user-space resource id handle is located. - * @p_val: Pointer to pointer to resource validalidation node. Populated - * on exit. - */ -static int -vmw_cmd_res_check(struct vmw_private *dev_priv, - struct vmw_sw_context *sw_context, - enum vmw_res_type res_type, - const struct vmw_user_resource_conv *converter, - uint32_t *id_loc, - struct vmw_resource_val_node **p_val) -{ - return vmw_cmd_compat_res_check(dev_priv, sw_context, res_type, - converter, *id_loc, id_loc, p_val); -} - -/** * vmw_rebind_contexts - Rebind all resources previously bound to * referenced contexts. * @@ -572,8 +589,8 @@ static int vmw_rebind_contexts(struct vmw_sw_context *sw_context) int ret; list_for_each_entry(val, &sw_context->resource_list, head) { - if (likely(!val->staged_bindings)) - continue; + if (unlikely(!val->staged_bindings)) + break; ret = vmw_context_rebind_all(val->res); if (unlikely(ret != 0)) { @@ -1626,13 +1643,14 @@ static int vmw_cmd_shader_define(struct vmw_private *dev_priv, } *cmd; int ret; size_t size; + struct vmw_resource_val_node *val; cmd = container_of(header, struct vmw_shader_define_cmd, header); ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context, user_context_converter, &cmd->body.cid, - NULL); + &val); if (unlikely(ret != 0)) return ret; @@ -1640,11 +1658,11 @@ static int vmw_cmd_shader_define(struct vmw_private *dev_priv, return 0; size = cmd->header.size - sizeof(cmd->body); - ret = vmw_compat_shader_add(sw_context->fp->shman, + ret = vmw_compat_shader_add(dev_priv, + vmw_context_res_man(val->res), cmd->body.shid, cmd + 1, cmd->body.type, size, - sw_context->fp->tfile, - &sw_context->staged_shaders); + &sw_context->staged_cmd_res); if (unlikely(ret != 0)) return ret; @@ -1672,23 +1690,24 @@ static int vmw_cmd_shader_destroy(struct vmw_private *dev_priv, SVGA3dCmdDestroyShader body; } *cmd; int ret; + struct vmw_resource_val_node *val; cmd = container_of(header, struct vmw_shader_destroy_cmd, header); ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context, user_context_converter, &cmd->body.cid, - NULL); + &val); if (unlikely(ret != 0)) return ret; if (unlikely(!dev_priv->has_mob)) return 0; - ret = vmw_compat_shader_remove(sw_context->fp->shman, + ret = vmw_compat_shader_remove(vmw_context_res_man(val->res), cmd->body.shid, cmd->body.type, - &sw_context->staged_shaders); + &sw_context->staged_cmd_res); if (unlikely(ret != 0)) return ret; @@ -1715,7 +1734,9 @@ static int vmw_cmd_set_shader(struct vmw_private *dev_priv, SVGA3dCmdHeader header; SVGA3dCmdSetShader body; } *cmd; - struct vmw_resource_val_node *ctx_node; + struct vmw_resource_val_node *ctx_node, *res_node = NULL; + struct vmw_ctx_bindinfo bi; + struct vmw_resource *res = NULL; int ret; cmd = container_of(header, struct vmw_set_shader_cmd, @@ -1727,32 +1748,40 @@ static int vmw_cmd_set_shader(struct vmw_private *dev_priv, if (unlikely(ret != 0)) return ret; - if (dev_priv->has_mob) { - struct vmw_ctx_bindinfo bi; - struct vmw_resource_val_node *res_node; - u32 shid = cmd->body.shid; - - if (shid != SVGA3D_INVALID_ID) - (void) vmw_compat_shader_lookup(sw_context->fp->shman, - cmd->body.type, - &shid); - - ret = vmw_cmd_compat_res_check(dev_priv, sw_context, - vmw_res_shader, - user_shader_converter, - shid, - &cmd->body.shid, &res_node); + if (!dev_priv->has_mob) + return 0; + + if (cmd->body.shid != SVGA3D_INVALID_ID) { + res = vmw_compat_shader_lookup + (vmw_context_res_man(ctx_node->res), + cmd->body.shid, + cmd->body.type); + + if (!IS_ERR(res)) { + ret = vmw_cmd_res_reloc_add(dev_priv, sw_context, + vmw_res_shader, + &cmd->body.shid, res, + &res_node); + vmw_resource_unreference(&res); + if (unlikely(ret != 0)) + return ret; + } + } + + if (!res_node) { + ret = vmw_cmd_res_check(dev_priv, sw_context, + vmw_res_shader, + user_shader_converter, + &cmd->body.shid, &res_node); if (unlikely(ret != 0)) return ret; - - bi.ctx = ctx_node->res; - bi.res = res_node ? res_node->res : NULL; - bi.bt = vmw_ctx_binding_shader; - bi.i1.shader_type = cmd->body.type; - return vmw_context_binding_add(ctx_node->staged_bindings, &bi); } - return 0; + bi.ctx = ctx_node->res; + bi.res = res_node ? res_node->res : NULL; + bi.bt = vmw_ctx_binding_shader; + bi.i1.shader_type = cmd->body.type; + return vmw_context_binding_add(ctx_node->staged_bindings, &bi); } /** @@ -2394,6 +2423,8 @@ vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, } } + + int vmw_execbuf_process(struct drm_file *file_priv, struct vmw_private *dev_priv, void __user *user_commands, @@ -2453,7 +2484,7 @@ int vmw_execbuf_process(struct drm_file *file_priv, goto out_unlock; sw_context->res_ht_initialized = true; } - INIT_LIST_HEAD(&sw_context->staged_shaders); + INIT_LIST_HEAD(&sw_context->staged_cmd_res); INIT_LIST_HEAD(&resource_list); ret = vmw_cmd_check_all(dev_priv, sw_context, kernel_commands, @@ -2548,8 +2579,7 @@ int vmw_execbuf_process(struct drm_file *file_priv, } list_splice_init(&sw_context->resource_list, &resource_list); - vmw_compat_shaders_commit(sw_context->fp->shman, - &sw_context->staged_shaders); + vmw_cmdbuf_res_commit(&sw_context->staged_cmd_res); mutex_unlock(&dev_priv->cmdbuf_mutex); /* @@ -2576,8 +2606,7 @@ out_unlock: list_splice_init(&sw_context->resource_list, &resource_list); error_resource = sw_context->error_resource; sw_context->error_resource = NULL; - vmw_compat_shaders_revert(sw_context->fp->shman, - &sw_context->staged_shaders); + vmw_cmdbuf_res_revert(&sw_context->staged_cmd_res); mutex_unlock(&dev_priv->cmdbuf_mutex); /* diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c index b1273e8e9a6..26f8bdde352 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c @@ -47,6 +47,7 @@ struct vmwgfx_gmrid_man { static int vmw_gmrid_man_get_node(struct ttm_mem_type_manager *man, struct ttm_buffer_object *bo, struct ttm_placement *placement, + uint32_t flags, struct ttm_mem_reg *mem) { struct vmwgfx_gmrid_man *gman = diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index 8f3edc4710f..d2bc2b03d4c 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -75,7 +75,7 @@ void vmw_display_unit_cleanup(struct vmw_display_unit *du) vmw_surface_unreference(&du->cursor_surface); if (du->cursor_dmabuf) vmw_dmabuf_unreference(&du->cursor_dmabuf); - drm_sysfs_connector_remove(&du->connector); + drm_connector_unregister(&du->connector); drm_crtc_cleanup(&du->crtc); drm_encoder_cleanup(&du->encoder); drm_connector_cleanup(&du->connector); @@ -136,7 +136,7 @@ int vmw_cursor_update_dmabuf(struct vmw_private *dev_priv, kmap_offset = 0; kmap_num = (width*height*4 + PAGE_SIZE - 1) >> PAGE_SHIFT; - ret = ttm_bo_reserve(&dmabuf->base, true, false, false, 0); + ret = ttm_bo_reserve(&dmabuf->base, true, false, false, NULL); if (unlikely(ret != 0)) { DRM_ERROR("reserve failed\n"); return -EINVAL; @@ -343,7 +343,7 @@ void vmw_kms_cursor_snoop(struct vmw_surface *srf, kmap_offset = cmd->dma.guest.ptr.offset >> PAGE_SHIFT; kmap_num = (64*64*4) >> PAGE_SHIFT; - ret = ttm_bo_reserve(bo, true, false, false, 0); + ret = ttm_bo_reserve(bo, true, false, false, NULL); if (unlikely(ret != 0)) { DRM_ERROR("reserve failed\n"); return; @@ -1501,7 +1501,6 @@ int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, { struct drm_vmw_cursor_bypass_arg *arg = data; struct vmw_display_unit *du; - struct drm_mode_object *obj; struct drm_crtc *crtc; int ret = 0; @@ -1519,13 +1518,12 @@ int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, return 0; } - obj = drm_mode_object_find(dev, arg->crtc_id, DRM_MODE_OBJECT_CRTC); - if (!obj) { + crtc = drm_crtc_find(dev, arg->crtc_id); + if (!crtc) { ret = -ENOENT; goto out; } - crtc = obj_to_crtc(obj); du = vmw_crtc_to_du(crtc); du->hotspot_x = arg->xhot; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c index b2b9bd23aee..15e185ae4c9 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c @@ -371,7 +371,7 @@ static int vmw_ldu_init(struct vmw_private *dev_priv, unsigned unit) encoder->possible_crtcs = (1 << unit); encoder->possible_clones = 0; - (void) drm_sysfs_connector_add(connector); + (void) drm_connector_register(connector); drm_crtc_init(dev, crtc, &vmw_legacy_crtc_funcs); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c index 01d68f0a69d..a432c0db257 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c @@ -127,7 +127,7 @@ static void vmw_resource_release(struct kref *kref) if (res->backup) { struct ttm_buffer_object *bo = &res->backup->base; - ttm_bo_reserve(bo, false, false, false, 0); + ttm_bo_reserve(bo, false, false, false, NULL); if (!list_empty(&res->mob_head) && res->func->unbind != NULL) { struct ttm_validate_buffer val_buf; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c index a95d3a0cabe..b295463a60b 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c @@ -467,7 +467,7 @@ static int vmw_sou_init(struct vmw_private *dev_priv, unsigned unit) encoder->possible_crtcs = (1 << unit); encoder->possible_clones = 0; - (void) drm_sysfs_connector_add(connector); + (void) drm_connector_register(connector); drm_crtc_init(dev, crtc, &vmw_screen_object_crtc_funcs); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c index c1559eeaffe..8719fb3cccc 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c @@ -29,8 +29,6 @@ #include "vmwgfx_resource_priv.h" #include "ttm/ttm_placement.h" -#define VMW_COMPAT_SHADER_HT_ORDER 12 - struct vmw_shader { struct vmw_resource res; SVGA3dShaderType type; @@ -42,49 +40,8 @@ struct vmw_user_shader { struct vmw_shader shader; }; -/** - * enum vmw_compat_shader_state - Staging state for compat shaders - */ -enum vmw_compat_shader_state { - VMW_COMPAT_COMMITED, - VMW_COMPAT_ADD, - VMW_COMPAT_DEL -}; - -/** - * struct vmw_compat_shader - Metadata for compat shaders. - * - * @handle: The TTM handle of the guest backed shader. - * @tfile: The struct ttm_object_file the guest backed shader is registered - * with. - * @hash: Hash item for lookup. - * @head: List head for staging lists or the compat shader manager list. - * @state: Staging state. - * - * The structure is protected by the cmdbuf lock. - */ -struct vmw_compat_shader { - u32 handle; - struct ttm_object_file *tfile; - struct drm_hash_item hash; - struct list_head head; - enum vmw_compat_shader_state state; -}; - -/** - * struct vmw_compat_shader_manager - Compat shader manager. - * - * @shaders: Hash table containing staged and commited compat shaders - * @list: List of commited shaders. - * @dev_priv: Pointer to a device private structure. - * - * @shaders and @list are protected by the cmdbuf mutex for now. - */ -struct vmw_compat_shader_manager { - struct drm_open_hash shaders; - struct list_head list; - struct vmw_private *dev_priv; -}; +static uint64_t vmw_user_shader_size; +static uint64_t vmw_shader_size; static void vmw_user_shader_free(struct vmw_resource *res); static struct vmw_resource * @@ -98,8 +55,6 @@ static int vmw_gb_shader_unbind(struct vmw_resource *res, struct ttm_validate_buffer *val_buf); static int vmw_gb_shader_destroy(struct vmw_resource *res); -static uint64_t vmw_user_shader_size; - static const struct vmw_user_resource_conv user_shader_conv = { .object_type = VMW_RES_SHADER, .base_obj_to_res = vmw_user_shader_base_to_res, @@ -347,6 +302,16 @@ static void vmw_user_shader_free(struct vmw_resource *res) vmw_user_shader_size); } +static void vmw_shader_free(struct vmw_resource *res) +{ + struct vmw_shader *shader = vmw_res_to_shader(res); + struct vmw_private *dev_priv = res->dev_priv; + + kfree(shader); + ttm_mem_global_free(vmw_mem_glob(dev_priv), + vmw_shader_size); +} + /** * This function is called when user space has no more references on the * base object. It releases the base-object's reference on the resource object. @@ -371,13 +336,13 @@ int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, TTM_REF_USAGE); } -static int vmw_shader_alloc(struct vmw_private *dev_priv, - struct vmw_dma_buffer *buffer, - size_t shader_size, - size_t offset, - SVGA3dShaderType shader_type, - struct ttm_object_file *tfile, - u32 *handle) +static int vmw_user_shader_alloc(struct vmw_private *dev_priv, + struct vmw_dma_buffer *buffer, + size_t shader_size, + size_t offset, + SVGA3dShaderType shader_type, + struct ttm_object_file *tfile, + u32 *handle) { struct vmw_user_shader *ushader; struct vmw_resource *res, *tmp; @@ -442,6 +407,56 @@ out: } +struct vmw_resource *vmw_shader_alloc(struct vmw_private *dev_priv, + struct vmw_dma_buffer *buffer, + size_t shader_size, + size_t offset, + SVGA3dShaderType shader_type) +{ + struct vmw_shader *shader; + struct vmw_resource *res; + int ret; + + /* + * Approximate idr memory usage with 128 bytes. It will be limited + * by maximum number_of shaders anyway. + */ + if (unlikely(vmw_shader_size == 0)) + vmw_shader_size = + ttm_round_pot(sizeof(struct vmw_shader)) + 128; + + ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv), + vmw_shader_size, + false, true); + if (unlikely(ret != 0)) { + if (ret != -ERESTARTSYS) + DRM_ERROR("Out of graphics memory for shader " + "creation.\n"); + goto out_err; + } + + shader = kzalloc(sizeof(*shader), GFP_KERNEL); + if (unlikely(shader == NULL)) { + ttm_mem_global_free(vmw_mem_glob(dev_priv), + vmw_shader_size); + ret = -ENOMEM; + goto out_err; + } + + res = &shader->res; + + /* + * From here on, the destructor takes over resource freeing. + */ + ret = vmw_gb_shader_init(dev_priv, res, shader_size, + offset, shader_type, buffer, + vmw_shader_free); + +out_err: + return ret ? ERR_PTR(ret) : res; +} + + int vmw_shader_define_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) { @@ -490,8 +505,8 @@ int vmw_shader_define_ioctl(struct drm_device *dev, void *data, if (unlikely(ret != 0)) goto out_bad_arg; - ret = vmw_shader_alloc(dev_priv, buffer, arg->size, arg->offset, - shader_type, tfile, &arg->shader_handle); + ret = vmw_user_shader_alloc(dev_priv, buffer, arg->size, arg->offset, + shader_type, tfile, &arg->shader_handle); ttm_read_unlock(&dev_priv->reservation_sem); out_bad_arg: @@ -500,202 +515,83 @@ out_bad_arg: } /** - * vmw_compat_shader_lookup - Look up a compat shader - * - * @man: Pointer to the compat shader manager. - * @shader_type: The shader type, that combined with the user_key identifies - * the shader. - * @user_key: On entry, this should be a pointer to the user_key. - * On successful exit, it will contain the guest-backed shader's TTM handle. + * vmw_compat_shader_id_ok - Check whether a compat shader user key and + * shader type are within valid bounds. * - * Returns 0 on success. Non-zero on failure, in which case the value pointed - * to by @user_key is unmodified. - */ -int vmw_compat_shader_lookup(struct vmw_compat_shader_manager *man, - SVGA3dShaderType shader_type, - u32 *user_key) -{ - struct drm_hash_item *hash; - int ret; - unsigned long key = *user_key | (shader_type << 24); - - ret = drm_ht_find_item(&man->shaders, key, &hash); - if (unlikely(ret != 0)) - return ret; - - *user_key = drm_hash_entry(hash, struct vmw_compat_shader, - hash)->handle; - - return 0; -} - -/** - * vmw_compat_shader_free - Free a compat shader. - * - * @man: Pointer to the compat shader manager. - * @entry: Pointer to a struct vmw_compat_shader. - * - * Frees a struct vmw_compat_shder entry and drops its reference to the - * guest backed shader. - */ -static void vmw_compat_shader_free(struct vmw_compat_shader_manager *man, - struct vmw_compat_shader *entry) -{ - list_del(&entry->head); - WARN_ON(drm_ht_remove_item(&man->shaders, &entry->hash)); - WARN_ON(ttm_ref_object_base_unref(entry->tfile, entry->handle, - TTM_REF_USAGE)); - kfree(entry); -} - -/** - * vmw_compat_shaders_commit - Commit a list of compat shader actions. - * - * @man: Pointer to the compat shader manager. - * @list: Caller's list of compat shader actions. + * @user_key: User space id of the shader. + * @shader_type: Shader type. * - * This function commits a list of compat shader additions or removals. - * It is typically called when the execbuf ioctl call triggering these - * actions has commited the fifo contents to the device. + * Returns true if valid false if not. */ -void vmw_compat_shaders_commit(struct vmw_compat_shader_manager *man, - struct list_head *list) +static bool vmw_compat_shader_id_ok(u32 user_key, SVGA3dShaderType shader_type) { - struct vmw_compat_shader *entry, *next; - - list_for_each_entry_safe(entry, next, list, head) { - list_del(&entry->head); - switch (entry->state) { - case VMW_COMPAT_ADD: - entry->state = VMW_COMPAT_COMMITED; - list_add_tail(&entry->head, &man->list); - break; - case VMW_COMPAT_DEL: - ttm_ref_object_base_unref(entry->tfile, entry->handle, - TTM_REF_USAGE); - kfree(entry); - break; - default: - BUG(); - break; - } - } + return user_key <= ((1 << 20) - 1) && (unsigned) shader_type < 16; } /** - * vmw_compat_shaders_revert - Revert a list of compat shader actions + * vmw_compat_shader_key - Compute a hash key suitable for a compat shader. * - * @man: Pointer to the compat shader manager. - * @list: Caller's list of compat shader actions. + * @user_key: User space id of the shader. + * @shader_type: Shader type. * - * This function reverts a list of compat shader additions or removals. - * It is typically called when the execbuf ioctl call triggering these - * actions failed for some reason, and the command stream was never - * submitted. + * Returns a hash key suitable for a command buffer managed resource + * manager hash table. */ -void vmw_compat_shaders_revert(struct vmw_compat_shader_manager *man, - struct list_head *list) +static u32 vmw_compat_shader_key(u32 user_key, SVGA3dShaderType shader_type) { - struct vmw_compat_shader *entry, *next; - int ret; - - list_for_each_entry_safe(entry, next, list, head) { - switch (entry->state) { - case VMW_COMPAT_ADD: - vmw_compat_shader_free(man, entry); - break; - case VMW_COMPAT_DEL: - ret = drm_ht_insert_item(&man->shaders, &entry->hash); - list_del(&entry->head); - list_add_tail(&entry->head, &man->list); - entry->state = VMW_COMPAT_COMMITED; - break; - default: - BUG(); - break; - } - } + return user_key | (shader_type << 20); } /** * vmw_compat_shader_remove - Stage a compat shader for removal. * - * @man: Pointer to the compat shader manager + * @man: Pointer to the compat shader manager identifying the shader namespace. * @user_key: The key that is used to identify the shader. The key is * unique to the shader type. * @shader_type: Shader type. - * @list: Caller's list of staged shader actions. - * - * This function stages a compat shader for removal and removes the key from - * the shader manager's hash table. If the shader was previously only staged - * for addition it is completely removed (But the execbuf code may keep a - * reference if it was bound to a context between addition and removal). If - * it was previously commited to the manager, it is staged for removal. + * @list: Caller's list of staged command buffer resource actions. */ -int vmw_compat_shader_remove(struct vmw_compat_shader_manager *man, +int vmw_compat_shader_remove(struct vmw_cmdbuf_res_manager *man, u32 user_key, SVGA3dShaderType shader_type, struct list_head *list) { - struct vmw_compat_shader *entry; - struct drm_hash_item *hash; - int ret; - - ret = drm_ht_find_item(&man->shaders, user_key | (shader_type << 24), - &hash); - if (likely(ret != 0)) + if (!vmw_compat_shader_id_ok(user_key, shader_type)) return -EINVAL; - entry = drm_hash_entry(hash, struct vmw_compat_shader, hash); - - switch (entry->state) { - case VMW_COMPAT_ADD: - vmw_compat_shader_free(man, entry); - break; - case VMW_COMPAT_COMMITED: - (void) drm_ht_remove_item(&man->shaders, &entry->hash); - list_del(&entry->head); - entry->state = VMW_COMPAT_DEL; - list_add_tail(&entry->head, list); - break; - default: - BUG(); - break; - } - - return 0; + return vmw_cmdbuf_res_remove(man, vmw_cmdbuf_res_compat_shader, + vmw_compat_shader_key(user_key, + shader_type), + list); } /** - * vmw_compat_shader_add - Create a compat shader and add the - * key to the manager + * vmw_compat_shader_add - Create a compat shader and stage it for addition + * as a command buffer managed resource. * - * @man: Pointer to the compat shader manager + * @man: Pointer to the compat shader manager identifying the shader namespace. * @user_key: The key that is used to identify the shader. The key is * unique to the shader type. * @bytecode: Pointer to the bytecode of the shader. * @shader_type: Shader type. * @tfile: Pointer to a struct ttm_object_file that the guest-backed shader is * to be created with. - * @list: Caller's list of staged shader actions. + * @list: Caller's list of staged command buffer resource actions. * - * Note that only the key is added to the shader manager's hash table. - * The shader is not yet added to the shader manager's list of shaders. */ -int vmw_compat_shader_add(struct vmw_compat_shader_manager *man, +int vmw_compat_shader_add(struct vmw_private *dev_priv, + struct vmw_cmdbuf_res_manager *man, u32 user_key, const void *bytecode, SVGA3dShaderType shader_type, size_t size, - struct ttm_object_file *tfile, struct list_head *list) { struct vmw_dma_buffer *buf; struct ttm_bo_kmap_obj map; bool is_iomem; - struct vmw_compat_shader *compat; - u32 handle; int ret; + struct vmw_resource *res; - if (user_key > ((1 << 24) - 1) || (unsigned) shader_type > 16) + if (!vmw_compat_shader_id_ok(user_key, shader_type)) return -EINVAL; /* Allocate and pin a DMA buffer */ @@ -703,7 +599,7 @@ int vmw_compat_shader_add(struct vmw_compat_shader_manager *man, if (unlikely(buf == NULL)) return -ENOMEM; - ret = vmw_dmabuf_init(man->dev_priv, buf, size, &vmw_sys_ne_placement, + ret = vmw_dmabuf_init(dev_priv, buf, size, &vmw_sys_ne_placement, true, vmw_dmabuf_bo_free); if (unlikely(ret != 0)) goto out; @@ -728,84 +624,40 @@ int vmw_compat_shader_add(struct vmw_compat_shader_manager *man, WARN_ON(ret != 0); ttm_bo_unreserve(&buf->base); - /* Create a guest-backed shader container backed by the dma buffer */ - ret = vmw_shader_alloc(man->dev_priv, buf, size, 0, shader_type, - tfile, &handle); - vmw_dmabuf_unreference(&buf); + res = vmw_shader_alloc(dev_priv, buf, size, 0, shader_type); if (unlikely(ret != 0)) goto no_reserve; - /* - * Create a compat shader structure and stage it for insertion - * in the manager - */ - compat = kzalloc(sizeof(*compat), GFP_KERNEL); - if (compat == NULL) - goto no_compat; - - compat->hash.key = user_key | (shader_type << 24); - ret = drm_ht_insert_item(&man->shaders, &compat->hash); - if (unlikely(ret != 0)) - goto out_invalid_key; - - compat->state = VMW_COMPAT_ADD; - compat->handle = handle; - compat->tfile = tfile; - list_add_tail(&compat->head, list); - - return 0; -out_invalid_key: - kfree(compat); -no_compat: - ttm_ref_object_base_unref(tfile, handle, TTM_REF_USAGE); + ret = vmw_cmdbuf_res_add(man, vmw_cmdbuf_res_compat_shader, + vmw_compat_shader_key(user_key, shader_type), + res, list); + vmw_resource_unreference(&res); no_reserve: + vmw_dmabuf_unreference(&buf); out: return ret; } /** - * vmw_compat_shader_man_create - Create a compat shader manager - * - * @dev_priv: Pointer to a device private structure. - * - * Typically done at file open time. If successful returns a pointer to a - * compat shader manager. Otherwise returns an error pointer. - */ -struct vmw_compat_shader_manager * -vmw_compat_shader_man_create(struct vmw_private *dev_priv) -{ - struct vmw_compat_shader_manager *man; - int ret; - - man = kzalloc(sizeof(*man), GFP_KERNEL); - if (man == NULL) - return ERR_PTR(-ENOMEM); - - man->dev_priv = dev_priv; - INIT_LIST_HEAD(&man->list); - ret = drm_ht_create(&man->shaders, VMW_COMPAT_SHADER_HT_ORDER); - if (ret == 0) - return man; - - kfree(man); - return ERR_PTR(ret); -} - -/** - * vmw_compat_shader_man_destroy - Destroy a compat shader manager + * vmw_compat_shader_lookup - Look up a compat shader * - * @man: Pointer to the shader manager to destroy. + * @man: Pointer to the command buffer managed resource manager identifying + * the shader namespace. + * @user_key: The user space id of the shader. + * @shader_type: The shader type. * - * Typically done at file close time. + * Returns a refcounted pointer to a struct vmw_resource if the shader was + * found. An error pointer otherwise. */ -void vmw_compat_shader_man_destroy(struct vmw_compat_shader_manager *man) +struct vmw_resource * +vmw_compat_shader_lookup(struct vmw_cmdbuf_res_manager *man, + u32 user_key, + SVGA3dShaderType shader_type) { - struct vmw_compat_shader *entry, *next; - - mutex_lock(&man->dev_priv->cmdbuf_mutex); - list_for_each_entry_safe(entry, next, &man->list, head) - vmw_compat_shader_free(man, entry); + if (!vmw_compat_shader_id_ok(user_key, shader_type)) + return ERR_PTR(-EINVAL); - mutex_unlock(&man->dev_priv->cmdbuf_mutex); - kfree(man); + return vmw_cmdbuf_res_lookup(man, vmw_cmdbuf_res_compat_shader, + vmw_compat_shader_key(user_key, + shader_type)); } |