diff options
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_drm_drv.c')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_drm_drv.c | 45 |
1 files changed, 24 insertions, 21 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index ce570283b55f..6bd369434d9d 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -10,6 +10,7 @@ #include <linux/of_address.h> #include <linux/of_platform.h> #include <linux/pm_runtime.h> +#include <linux/soc/mediatek/mtk-mmsys.h> #include <linux/dma-mapping.h> #include <drm/drm_atomic.h> @@ -418,11 +419,22 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = { { } }; +static const struct of_device_id mtk_drm_of_ids[] = { + { .compatible = "mediatek,mt2701-mmsys", + .data = &mt2701_mmsys_driver_data}, + { .compatible = "mediatek,mt2712-mmsys", + .data = &mt2712_mmsys_driver_data}, + { .compatible = "mediatek,mt8173-mmsys", + .data = &mt8173_mmsys_driver_data}, + { } +}; + static int mtk_drm_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; + struct device_node *phandle = dev->parent->of_node; + const struct of_device_id *of_id; struct mtk_drm_private *private; - struct resource *mem; struct device_node *node; struct component_match *match = NULL; int ret; @@ -433,18 +445,20 @@ static int mtk_drm_probe(struct platform_device *pdev) return -ENOMEM; private->data = of_device_get_match_data(dev); - - mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - private->config_regs = devm_ioremap_resource(dev, mem); - if (IS_ERR(private->config_regs)) { - ret = PTR_ERR(private->config_regs); - dev_err(dev, "Failed to ioremap mmsys-config resource: %d\n", - ret); - return ret; + private->mmsys_dev = dev->parent; + if (!private->mmsys_dev) { + dev_err(dev, "Failed to get MMSYS device\n"); + return -ENODEV; } + of_id = of_match_node(mtk_drm_of_ids, phandle); + if (!of_id) + return -ENODEV; + + private->data = of_id->data; + /* Iterate over sibling DISP function blocks */ - for_each_child_of_node(dev->of_node->parent, node) { + for_each_child_of_node(phandle->parent, node) { const struct of_device_id *of_id; enum mtk_ddp_comp_type comp_type; int comp_id; @@ -578,22 +592,11 @@ static int mtk_drm_sys_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(mtk_drm_pm_ops, mtk_drm_sys_suspend, mtk_drm_sys_resume); -static const struct of_device_id mtk_drm_of_ids[] = { - { .compatible = "mediatek,mt2701-mmsys", - .data = &mt2701_mmsys_driver_data}, - { .compatible = "mediatek,mt2712-mmsys", - .data = &mt2712_mmsys_driver_data}, - { .compatible = "mediatek,mt8173-mmsys", - .data = &mt8173_mmsys_driver_data}, - { } -}; - static struct platform_driver mtk_drm_platform_driver = { .probe = mtk_drm_probe, .remove = mtk_drm_remove, .driver = { .name = "mediatek-drm", - .of_match_table = mtk_drm_of_ids, .pm = &mtk_drm_pm_ops, }, }; |