diff options
Diffstat (limited to 'drivers/gpu/drm/msm/msm_drv.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_drv.c | 124 |
1 files changed, 47 insertions, 77 deletions
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index 9a5d87db5c2..b67ef598512 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -52,7 +52,7 @@ module_param(reglog, bool, 0600); #define reglog 0 #endif -static char *vram; +static char *vram = "16m"; MODULE_PARM_DESC(vram, "Configure VRAM size (for devices without IOMMU/GPUMMU"); module_param(vram, charp, 0); @@ -181,7 +181,6 @@ static int msm_load(struct drm_device *dev, unsigned long flags) struct msm_kms *kms; int ret; - priv = kzalloc(sizeof(*priv), GFP_KERNEL); if (!priv) { dev_err(dev->dev, "failed to allocate private data\n"); @@ -281,7 +280,7 @@ static int msm_load(struct drm_device *dev, unsigned long flags) dev->mode_config.max_height = 2048; dev->mode_config.funcs = &mode_config_funcs; - ret = drm_vblank_init(dev, 1); + ret = drm_vblank_init(dev, priv->num_crtcs); if (ret < 0) { dev_err(dev->dev, "failed to initialize vblank\n"); goto fail; @@ -314,38 +313,15 @@ fail: static void load_gpu(struct drm_device *dev) { + static DEFINE_MUTEX(init_lock); struct msm_drm_private *priv = dev->dev_private; - struct msm_gpu *gpu; - - if (priv->gpu) - return; - - mutex_lock(&dev->struct_mutex); - gpu = a3xx_gpu_init(dev); - if (IS_ERR(gpu)) { - dev_warn(dev->dev, "failed to load a3xx gpu\n"); - gpu = NULL; - /* not fatal */ - } - - if (gpu) { - int ret; - gpu->funcs->pm_resume(gpu); - ret = gpu->funcs->hw_init(gpu); - if (ret) { - dev_err(dev->dev, "gpu hw init failed: %d\n", ret); - gpu->funcs->destroy(gpu); - gpu = NULL; - } else { - /* give inactive pm a chance to kick in: */ - msm_gpu_retire(gpu); - } - } + mutex_lock(&init_lock); - priv->gpu = gpu; + if (!priv->gpu) + priv->gpu = adreno_load_gpu(dev); - mutex_unlock(&dev->struct_mutex); + mutex_unlock(&init_lock); } static int msm_open(struct drm_device *dev, struct drm_file *file) @@ -833,6 +809,7 @@ static struct drm_driver msm_driver = { .open = msm_open, .preclose = msm_preclose, .lastclose = msm_lastclose, + .set_busid = drm_platform_set_busid, .irq_handler = msm_irq, .irq_preinstall = msm_irq_preinstall, .irq_postinstall = msm_irq_postinstall, @@ -906,25 +883,22 @@ static int compare_of(struct device *dev, void *data) return dev->of_node == data; } -static int msm_drm_add_components(struct device *master, struct master *m) +static int add_components(struct device *dev, struct component_match **matchptr, + const char *name) { - struct device_node *np = master->of_node; + struct device_node *np = dev->of_node; unsigned i; - int ret; for (i = 0; ; i++) { struct device_node *node; - node = of_parse_phandle(np, "connectors", i); + node = of_parse_phandle(np, name, i); if (!node) break; - ret = component_master_add_child(m, compare_of, node); - of_node_put(node); - - if (ret) - return ret; + component_match_add(dev, matchptr, compare_of, node); } + return 0; } #else @@ -932,9 +906,34 @@ 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, +}; -static int msm_drm_add_components(struct device *master, struct master *m) +/* + * Platform driver: + */ + +static int msm_pdev_probe(struct platform_device *pdev) { + struct component_match *match = NULL; +#ifdef CONFIG_OF + add_components(&pdev->dev, &match, "connectors"); + add_components(&pdev->dev, &match, "gpus"); +#else /* 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 @@ -949,50 +948,20 @@ static int msm_drm_add_components(struct device *master, struct master *m) for (i = 0; i < ARRAY_SIZE(devnames); i++) { struct device *dev; - int ret; dev = bus_find_device_by_name(&platform_bus_type, NULL, devnames[i]); if (!dev) { - dev_info(master, "still waiting for %s\n", devnames[i]); + dev_info(&pdev->dev, "still waiting for %s\n", devnames[i]); 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) @@ -1008,7 +977,8 @@ static const struct platform_device_id msm_id[] = { }; static const struct of_device_id dt_match[] = { - { .compatible = "qcom,mdss_mdp" }, + { .compatible = "qcom,mdp" }, /* mdp4 */ + { .compatible = "qcom,mdss_mdp" }, /* mdp5 */ {} }; MODULE_DEVICE_TABLE(of, dt_match); @@ -1029,7 +999,7 @@ static int __init msm_drm_register(void) { DBG("init"); hdmi_register(); - a3xx_register(); + adreno_register(); return platform_driver_register(&msm_platform_driver); } @@ -1038,7 +1008,7 @@ static void __exit msm_drm_unregister(void) DBG("fini"); platform_driver_unregister(&msm_platform_driver); hdmi_unregister(); - a3xx_unregister(); + adreno_unregister(); } module_init(msm_drm_register); |