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path: root/drivers/gpu/drm/mediatek/mtk_drm_drv.c
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Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_drm_drv.c')
-rw-r--r--drivers/gpu/drm/mediatek/mtk_drm_drv.c58
1 files changed, 29 insertions, 29 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index 0563c6813333..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>
@@ -162,7 +163,9 @@ static int mtk_drm_kms_init(struct drm_device *drm)
}
private->mutex_dev = &pdev->dev;
- drm_mode_config_init(drm);
+ ret = drmm_mode_config_init(drm);
+ if (ret)
+ return ret;
drm->mode_config.min_width = 64;
drm->mode_config.min_height = 64;
@@ -179,7 +182,7 @@ static int mtk_drm_kms_init(struct drm_device *drm)
ret = component_bind_all(drm->dev, drm);
if (ret)
- goto err_config_cleanup;
+ return ret;
/*
* We currently support two fixed data streams, each optional,
@@ -255,8 +258,6 @@ err_unset_dma_parms:
dma_dev->dma_parms = NULL;
err_component_unbind:
component_unbind_all(drm->dev, drm);
-err_config_cleanup:
- drm_mode_config_cleanup(drm);
return ret;
}
@@ -272,7 +273,6 @@ static void mtk_drm_kms_deinit(struct drm_device *drm)
private->dma_dev->dma_parms = NULL;
component_unbind_all(drm->dev, drm);
- drm_mode_config_cleanup(drm);
}
static const struct file_operations mtk_drm_fops = {
@@ -348,9 +348,7 @@ static int mtk_drm_bind(struct device *dev)
if (ret < 0)
goto err_deinit;
- ret = drm_fbdev_generic_setup(drm, 32);
- if (ret)
- DRM_ERROR("Failed to initialize fbdev: %d\n", ret);
+ drm_fbdev_generic_setup(drm, 32);
return 0;
@@ -421,11 +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;
@@ -436,18 +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;
@@ -581,22 +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,
},
};