diff options
Diffstat (limited to 'drivers/gpu/drm/msm/msm_drv.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_drv.c | 76 |
1 files changed, 16 insertions, 60 deletions
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index b88ce514eb8e..9a30807b900b 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -237,20 +237,9 @@ static int msm_unload(struct drm_device *dev) static int get_mdp_ver(struct platform_device *pdev) { -#ifdef CONFIG_OF - static const struct of_device_id match_types[] = { { - .compatible = "qcom,mdss_mdp", - .data = (void *)5, - }, { - /* end node */ - } }; struct device *dev = &pdev->dev; - const struct of_device_id *match; - match = of_match_node(match_types, dev->of_node); - if (match) - return (int)(unsigned long)match->data; -#endif - return 4; + + return (int) (unsigned long) of_device_get_match_data(dev); } #include <linux/of_address.h> @@ -258,10 +247,10 @@ static int get_mdp_ver(struct platform_device *pdev) static int msm_init_vram(struct drm_device *dev) { struct msm_drm_private *priv = dev->dev_private; + struct device_node *node; unsigned long size = 0; int ret = 0; -#ifdef CONFIG_OF /* In the device-tree world, we could have a 'memory-region' * phandle, which gives us a link to our "vram". Allocating * is all nicely abstracted behind the dma api, but we need @@ -278,7 +267,6 @@ static int msm_init_vram(struct drm_device *dev) * as corruption on screen before we have a chance to * load and do initial modeset) */ - struct device_node *node; node = of_parse_phandle(dev->dev->of_node, "memory-region", 0); if (node) { @@ -288,14 +276,12 @@ static int msm_init_vram(struct drm_device *dev) return ret; size = r.end - r.start; DRM_INFO("using VRAM carveout: %lx@%pa\n", size, &r.start); - } else -#endif - /* if we have no IOMMU, then we need to use carveout allocator. - * Grab the entire CMA chunk carved out in early startup in - * mach-msm: - */ - if (!iommu_present(&platform_bus_type)) { + /* if we have no IOMMU, then we need to use carveout allocator. + * Grab the entire CMA chunk carved out in early startup in + * mach-msm: + */ + } else if (!iommu_present(&platform_bus_type)) { DRM_INFO("using %s VRAM carveout\n", vram); size = memparse(vram, NULL); } @@ -1035,9 +1021,9 @@ static const struct dev_pm_ops msm_pm_ops = { * Componentized driver support: */ -#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 +/* + * NOTE: duplication of the same code as exynos or imx (or probably any other). + * so probably some room for some helpers */ static int compare_of(struct device *dev, void *data) { @@ -1062,12 +1048,6 @@ static int add_components(struct device *dev, struct component_match **matchptr, return 0; } -#else -static int compare_dev(struct device *dev, void *data) -{ - return dev == data; -} -#endif static int msm_drm_bind(struct device *dev) { @@ -1091,35 +1071,9 @@ static const struct component_master_ops msm_drm_ops = { 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 - * care about apq8064/apq8060/etc (all mdp4/a3xx): - */ - static const char *devnames[] = { - "hdmi_msm.0", "kgsl-3d0.0", - }; - int i; - - DBG("Adding components.."); - - for (i = 0; i < ARRAY_SIZE(devnames); i++) { - struct device *dev; - - dev = bus_find_device_by_name(&platform_bus_type, - NULL, devnames[i]); - if (!dev) { - dev_info(&pdev->dev, "still waiting for %s\n", devnames[i]); - return -EPROBE_DEFER; - } - - component_match_add(&pdev->dev, &match, compare_dev, dev); - } -#endif pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32); return component_master_add_with_match(&pdev->dev, &msm_drm_ops, match); @@ -1138,8 +1092,10 @@ static const struct platform_device_id msm_id[] = { }; static const struct of_device_id dt_match[] = { - { .compatible = "qcom,mdp" }, /* mdp4 */ - { .compatible = "qcom,mdss_mdp" }, /* mdp5 */ + { .compatible = "qcom,mdp4", .data = (void *) 4 }, /* mdp4 */ + { .compatible = "qcom,mdp5", .data = (void *) 5 }, /* mdp5 */ + /* to support downstream DT files */ + { .compatible = "qcom,mdss_mdp", .data = (void *) 5 }, /* mdp5 */ {} }; MODULE_DEVICE_TABLE(of, dt_match); |