diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_device.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_device.c | 236 |
1 files changed, 161 insertions, 75 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 0c51f8e4661..e28e4ed5f72 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -30,6 +30,7 @@ #include <drm/drm_crtc_helper.h> #include <drm/radeon_drm.h> #include <linux/vgaarb.h> +#include <linux/vga_switcheroo.h> #include "radeon_reg.h" #include "radeon.h" #include "radeon_asic.h" @@ -100,80 +101,103 @@ void radeon_scratch_free(struct radeon_device *rdev, uint32_t reg) } } -/* - * MC common functions +/** + * radeon_vram_location - try to find VRAM location + * @rdev: radeon device structure holding all necessary informations + * @mc: memory controller structure holding memory informations + * @base: base address at which to put VRAM + * + * Function will place try to place VRAM at base address provided + * as parameter (which is so far either PCI aperture address or + * for IGP TOM base address). + * + * If there is not enough space to fit the unvisible VRAM in the 32bits + * address space then we limit the VRAM size to the aperture. + * + * If we are using AGP and if the AGP aperture doesn't allow us to have + * room for all the VRAM than we restrict the VRAM to the PCI aperture + * size and print a warning. + * + * This function will never fails, worst case are limiting VRAM. + * + * Note: GTT start, end, size should be initialized before calling this + * function on AGP platform. + * + * Note: We don't explictly enforce VRAM start to be aligned on VRAM size, + * this shouldn't be a problem as we are using the PCI aperture as a reference. + * Otherwise this would be needed for rv280, all r3xx, and all r4xx, but + * not IGP. + * + * Note: we use mc_vram_size as on some board we need to program the mc to + * cover the whole aperture even if VRAM size is inferior to aperture size + * Novell bug 204882 + along with lots of ubuntu ones + * + * Note: when limiting vram it's safe to overwritte real_vram_size because + * we are not in case where real_vram_size is inferior to mc_vram_size (ie + * note afected by bogus hw of Novell bug 204882 + along with lots of ubuntu + * ones) + * + * Note: IGP TOM addr should be the same as the aperture addr, we don't + * explicitly check for that thought. + * + * FIXME: when reducing VRAM size align new size on power of 2. */ -int radeon_mc_setup(struct radeon_device *rdev) +void radeon_vram_location(struct radeon_device *rdev, struct radeon_mc *mc, u64 base) +{ + mc->vram_start = base; + if (mc->mc_vram_size > (0xFFFFFFFF - base + 1)) { + dev_warn(rdev->dev, "limiting VRAM to PCI aperture size\n"); + mc->real_vram_size = mc->aper_size; + mc->mc_vram_size = mc->aper_size; + } + mc->vram_end = mc->vram_start + mc->mc_vram_size - 1; + if (rdev->flags & RADEON_IS_AGP && mc->vram_end > mc->gtt_start && mc->vram_end <= mc->gtt_end) { + dev_warn(rdev->dev, "limiting VRAM to PCI aperture size\n"); + mc->real_vram_size = mc->aper_size; + mc->mc_vram_size = mc->aper_size; + } + mc->vram_end = mc->vram_start + mc->mc_vram_size - 1; + dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n", + mc->mc_vram_size >> 20, mc->vram_start, + mc->vram_end, mc->real_vram_size >> 20); +} + +/** + * radeon_gtt_location - try to find GTT location + * @rdev: radeon device structure holding all necessary informations + * @mc: memory controller structure holding memory informations + * + * Function will place try to place GTT before or after VRAM. + * + * If GTT size is bigger than space left then we ajust GTT size. + * Thus function will never fails. + * + * FIXME: when reducing GTT size align new size on power of 2. + */ +void radeon_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc) { - uint32_t tmp; + u64 size_af, size_bf; - /* Some chips have an "issue" with the memory controller, the - * location must be aligned to the size. We just align it down, - * too bad if we walk over the top of system memory, we don't - * use DMA without a remapped anyway. - * Affected chips are rv280, all r3xx, and all r4xx, but not IGP - */ - /* FGLRX seems to setup like this, VRAM a 0, then GART. - */ - /* - * Note: from R6xx the address space is 40bits but here we only - * use 32bits (still have to see a card which would exhaust 4G - * address space). - */ - if (rdev->mc.vram_location != 0xFFFFFFFFUL) { - /* vram location was already setup try to put gtt after - * if it fits */ - tmp = rdev->mc.vram_location + rdev->mc.mc_vram_size; - tmp = (tmp + rdev->mc.gtt_size - 1) & ~(rdev->mc.gtt_size - 1); - if ((0xFFFFFFFFUL - tmp) >= rdev->mc.gtt_size) { - rdev->mc.gtt_location = tmp; - } else { - if (rdev->mc.gtt_size >= rdev->mc.vram_location) { - printk(KERN_ERR "[drm] GTT too big to fit " - "before or after vram location.\n"); - return -EINVAL; - } - rdev->mc.gtt_location = 0; - } - } else if (rdev->mc.gtt_location != 0xFFFFFFFFUL) { - /* gtt location was already setup try to put vram before - * if it fits */ - if (rdev->mc.mc_vram_size < rdev->mc.gtt_location) { - rdev->mc.vram_location = 0; - } else { - tmp = rdev->mc.gtt_location + rdev->mc.gtt_size; - tmp += (rdev->mc.mc_vram_size - 1); - tmp &= ~(rdev->mc.mc_vram_size - 1); - if ((0xFFFFFFFFUL - tmp) >= rdev->mc.mc_vram_size) { - rdev->mc.vram_location = tmp; - } else { - printk(KERN_ERR "[drm] vram too big to fit " - "before or after GTT location.\n"); - return -EINVAL; - } + size_af = 0xFFFFFFFF - mc->vram_end; + size_bf = mc->vram_start; + if (size_bf > size_af) { + if (mc->gtt_size > size_bf) { + dev_warn(rdev->dev, "limiting GTT\n"); + mc->gtt_size = size_bf; } + mc->gtt_start = mc->vram_start - mc->gtt_size; } else { - rdev->mc.vram_location = 0; - tmp = rdev->mc.mc_vram_size; - tmp = (tmp + rdev->mc.gtt_size - 1) & ~(rdev->mc.gtt_size - 1); - rdev->mc.gtt_location = tmp; - } - rdev->mc.vram_start = rdev->mc.vram_location; - rdev->mc.vram_end = rdev->mc.vram_location + rdev->mc.mc_vram_size - 1; - rdev->mc.gtt_start = rdev->mc.gtt_location; - rdev->mc.gtt_end = rdev->mc.gtt_location + rdev->mc.gtt_size - 1; - DRM_INFO("radeon: VRAM %uM\n", (unsigned)(rdev->mc.mc_vram_size >> 20)); - DRM_INFO("radeon: VRAM from 0x%08X to 0x%08X\n", - (unsigned)rdev->mc.vram_location, - (unsigned)(rdev->mc.vram_location + rdev->mc.mc_vram_size - 1)); - DRM_INFO("radeon: GTT %uM\n", (unsigned)(rdev->mc.gtt_size >> 20)); - DRM_INFO("radeon: GTT from 0x%08X to 0x%08X\n", - (unsigned)rdev->mc.gtt_location, - (unsigned)(rdev->mc.gtt_location + rdev->mc.gtt_size - 1)); - return 0; + if (mc->gtt_size > size_af) { + dev_warn(rdev->dev, "limiting GTT\n"); + mc->gtt_size = size_af; + } + mc->gtt_start = mc->vram_end + 1; + } + mc->gtt_end = mc->gtt_start + mc->gtt_size - 1; + dev_info(rdev->dev, "GTT: %lluM 0x%08llX - 0x%08llX\n", + mc->gtt_size >> 20, mc->gtt_start, mc->gtt_end); } - /* * GPU helpers function. */ @@ -182,7 +206,16 @@ bool radeon_card_posted(struct radeon_device *rdev) uint32_t reg; /* first check CRTCs */ - if (ASIC_IS_AVIVO(rdev)) { + if (ASIC_IS_DCE4(rdev)) { + reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) | + RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET) | + RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) | + RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET) | + RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) | + RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET); + if (reg & EVERGREEN_CRTC_MASTER_EN) + return true; + } else if (ASIC_IS_AVIVO(rdev)) { reg = RREG32(AVIVO_D1CRTC_CONTROL) | RREG32(AVIVO_D2CRTC_CONTROL); if (reg & AVIVO_CRTC_EN) { @@ -229,6 +262,8 @@ bool radeon_boot_test_post_card(struct radeon_device *rdev) int radeon_dummy_page_init(struct radeon_device *rdev) { + if (rdev->dummy_page.page) + return 0; rdev->dummy_page.page = alloc_page(GFP_DMA32 | GFP_KERNEL | __GFP_ZERO); if (rdev->dummy_page.page == NULL) return -ENOMEM; @@ -310,7 +345,7 @@ void radeon_register_accessor_init(struct radeon_device *rdev) rdev->mc_rreg = &rs600_mc_rreg; rdev->mc_wreg = &rs600_mc_wreg; } - if (rdev->family >= CHIP_R600) { + if ((rdev->family >= CHIP_R600) && (rdev->family <= CHIP_RV740)) { rdev->pciep_rreg = &r600_pciep_rreg; rdev->pciep_wreg = &r600_pciep_wreg; } @@ -329,21 +364,22 @@ int radeon_asic_init(struct radeon_device *rdev) case CHIP_RS100: case CHIP_RV200: case CHIP_RS200: + rdev->asic = &r100_asic; + break; case CHIP_R200: case CHIP_RV250: case CHIP_RS300: case CHIP_RV280: - rdev->asic = &r100_asic; + rdev->asic = &r200_asic; break; case CHIP_R300: case CHIP_R350: case CHIP_RV350: case CHIP_RV380: - rdev->asic = &r300_asic; - if (rdev->flags & RADEON_IS_PCIE) { - rdev->asic->gart_tlb_flush = &rv370_pcie_gart_tlb_flush; - rdev->asic->gart_set_page = &rv370_pcie_gart_set_page; - } + if (rdev->flags & RADEON_IS_PCIE) + rdev->asic = &r300_asic_pcie; + else + rdev->asic = &r300_asic; break; case CHIP_R420: case CHIP_R423: @@ -387,6 +423,13 @@ int radeon_asic_init(struct radeon_device *rdev) case CHIP_RV740: rdev->asic = &rv770_asic; break; + case CHIP_CEDAR: + case CHIP_REDWOOD: + case CHIP_JUNIPER: + case CHIP_CYPRESS: + case CHIP_HEMLOCK: + rdev->asic = &evergreen_asic; + break; default: /* FIXME: not supported yet */ return -EINVAL; @@ -544,6 +587,7 @@ void radeon_agp_disable(struct radeon_device *rdev) rdev->asic->gart_tlb_flush = &r100_pci_gart_tlb_flush; rdev->asic->gart_set_page = &r100_pci_gart_set_page; } + rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024; } void radeon_check_arguments(struct radeon_device *rdev) @@ -612,6 +656,36 @@ void radeon_check_arguments(struct radeon_device *rdev) } } +static void radeon_switcheroo_set_state(struct pci_dev *pdev, enum vga_switcheroo_state state) +{ + struct drm_device *dev = pci_get_drvdata(pdev); + struct radeon_device *rdev = dev->dev_private; + pm_message_t pmm = { .event = PM_EVENT_SUSPEND }; + if (state == VGA_SWITCHEROO_ON) { + printk(KERN_INFO "radeon: switched on\n"); + /* don't suspend or resume card normally */ + rdev->powered_down = false; + radeon_resume_kms(dev); + } else { + printk(KERN_INFO "radeon: switched off\n"); + radeon_suspend_kms(dev, pmm); + /* don't suspend or resume card normally */ + rdev->powered_down = true; + } +} + +static bool radeon_switcheroo_can_switch(struct pci_dev *pdev) +{ + struct drm_device *dev = pci_get_drvdata(pdev); + bool can_switch; + + spin_lock(&dev->count_lock); + can_switch = (dev->open_count == 0); + spin_unlock(&dev->count_lock); + return can_switch; +} + + int radeon_device_init(struct radeon_device *rdev, struct drm_device *ddev, struct pci_dev *pdev, @@ -637,11 +711,14 @@ int radeon_device_init(struct radeon_device *rdev, mutex_init(&rdev->cs_mutex); mutex_init(&rdev->ib_pool.mutex); mutex_init(&rdev->cp.mutex); + mutex_init(&rdev->dc_hw_i2c_mutex); if (rdev->family >= CHIP_R600) spin_lock_init(&rdev->ih.lock); mutex_init(&rdev->gem.mutex); + mutex_init(&rdev->pm.mutex); rwlock_init(&rdev->fence_drv.lock); INIT_LIST_HEAD(&rdev->gem.objects); + init_waitqueue_head(&rdev->irq.vblank_queue); /* setup workqueue */ rdev->wq = create_workqueue("radeon"); @@ -691,6 +768,9 @@ int radeon_device_init(struct radeon_device *rdev, /* this will fail for cards that aren't VGA class devices, just * ignore it */ vga_client_register(rdev->pdev, rdev, NULL, radeon_vga_set_decode); + vga_switcheroo_register_client(rdev->pdev, + radeon_switcheroo_set_state, + radeon_switcheroo_can_switch); r = radeon_init(rdev); if (r) @@ -722,6 +802,7 @@ void radeon_device_fini(struct radeon_device *rdev) rdev->shutdown = true; radeon_fini(rdev); destroy_workqueue(rdev->wq); + vga_switcheroo_unregister_client(rdev->pdev); vga_client_register(rdev->pdev, NULL, NULL, NULL); iounmap(rdev->rmmio); rdev->rmmio = NULL; @@ -745,6 +826,8 @@ int radeon_suspend_kms(struct drm_device *dev, pm_message_t state) } rdev = dev->dev_private; + if (rdev->powered_down) + return 0; /* unpin the front buffers */ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { struct radeon_framebuffer *rfb = to_radeon_framebuffer(crtc->fb); @@ -790,6 +873,9 @@ int radeon_resume_kms(struct drm_device *dev) { struct radeon_device *rdev = dev->dev_private; + if (rdev->powered_down) + return 0; + acquire_console_sem(); pci_set_power_state(dev->pdev, PCI_D0); pci_restore_state(dev->pdev); |