drm/mediatek: Change mmsys compatible for mt8195 mediatek-drm

Because compatible of mt8195 is changing from "mediatek,mt8195-mmsys"
to "mediatek,mt8195-vdosys0".

We have to revert the multiple compatible finding function and
add driver data of mt8195 vdosys0 to mediatek-drm and the sub driver.
Signed-off-by: Jason-JH.Lin <jason-jh.lin@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patchwork.kernel.org/project/linux-mediatek/patch/20230306080659.15261-2-jason-jh.lin@mediatek.com/Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>

drivers/gpu/drm/mediatek/mtk_drm_drv.c

@@ -4,8 +4,6 @@
  * Author: YT SHEN <yt.shen@mediatek.com>
  */
 
-#include <linux/clk.h>
-#include <linux/clk-provider.h>
 #include <linux/component.h>
 #include <linux/iommu.h>
 #include <linux/module.h>
@@ -218,13 +216,6 @@ static const struct mtk_mmsys_driver_data mt2701_mmsys_driver_data = {
 	.shadow_register = true,
 };
 
-static const struct mtk_mmsys_match_data mt2701_mmsys_match_data = {
-	.num_drv_data = 1,
-	.drv_data = {
-		&mt2701_mmsys_driver_data,
-	},
-};
-
 static const struct mtk_mmsys_driver_data mt7623_mmsys_driver_data = {
 	.main_path = mt7623_mtk_ddp_main,
 	.main_len = ARRAY_SIZE(mt7623_mtk_ddp_main),
@@ -233,13 +224,6 @@ static const struct mtk_mmsys_driver_data mt7623_mmsys_driver_data = {
 	.shadow_register = true,
 };
 
-static const struct mtk_mmsys_match_data mt7623_mmsys_match_data = {
-	.num_drv_data = 1,
-	.drv_data = {
-		&mt7623_mmsys_driver_data,
-	},
-};
-
 static const struct mtk_mmsys_driver_data mt2712_mmsys_driver_data = {
 	.main_path = mt2712_mtk_ddp_main,
 	.main_len = ARRAY_SIZE(mt2712_mtk_ddp_main),
@@ -249,25 +233,11 @@ static const struct mtk_mmsys_driver_data mt2712_mmsys_driver_data = {
 	.third_len = ARRAY_SIZE(mt2712_mtk_ddp_third),
 };
 
-static const struct mtk_mmsys_match_data mt2712_mmsys_match_data = {
-	.num_drv_data = 1,
-	.drv_data = {
-		&mt2712_mmsys_driver_data,
-	},
-};
-
 static const struct mtk_mmsys_driver_data mt8167_mmsys_driver_data = {
 	.main_path = mt8167_mtk_ddp_main,
 	.main_len = ARRAY_SIZE(mt8167_mtk_ddp_main),
 };
 
-static const struct mtk_mmsys_match_data mt8167_mmsys_match_data = {
-	.num_drv_data = 1,
-	.drv_data = {
-		&mt8167_mmsys_driver_data,
-	},
-};
-
 static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = {
 	.main_path = mt8173_mtk_ddp_main,
 	.main_len = ARRAY_SIZE(mt8173_mtk_ddp_main),
@@ -275,13 +245,6 @@ static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = {
 	.ext_len = ARRAY_SIZE(mt8173_mtk_ddp_ext),
 };
 
-static const struct mtk_mmsys_match_data mt8173_mmsys_match_data = {
-	.num_drv_data = 1,
-	.drv_data = {
-		&mt8173_mmsys_driver_data,
-	},
-};
-
 static const struct mtk_mmsys_driver_data mt8183_mmsys_driver_data = {
 	.main_path = mt8183_mtk_ddp_main,
 	.main_len = ARRAY_SIZE(mt8183_mtk_ddp_main),
@@ -289,13 +252,6 @@ static const struct mtk_mmsys_driver_data mt8183_mmsys_driver_data = {
 	.ext_len = ARRAY_SIZE(mt8183_mtk_ddp_ext),
 };
 
-static const struct mtk_mmsys_match_data mt8183_mmsys_match_data = {
-	.num_drv_data = 1,
-	.drv_data = {
-		&mt8183_mmsys_driver_data,
-	},
-};
-
 static const struct mtk_mmsys_driver_data mt8186_mmsys_driver_data = {
 	.main_path = mt8186_mtk_ddp_main,
 	.main_len = ARRAY_SIZE(mt8186_mtk_ddp_main),
@@ -303,13 +259,6 @@ static const struct mtk_mmsys_driver_data mt8186_mmsys_driver_data = {
 	.ext_len = ARRAY_SIZE(mt8186_mtk_ddp_ext),
 };
 
-static const struct mtk_mmsys_match_data mt8186_mmsys_match_data = {
-	.num_drv_data = 1,
-	.drv_data = {
-		&mt8186_mmsys_driver_data,
-	},
-};
-
 static const struct mtk_mmsys_driver_data mt8192_mmsys_driver_data = {
 	.main_path = mt8192_mtk_ddp_main,
 	.main_len = ARRAY_SIZE(mt8192_mtk_ddp_main),
@@ -317,31 +266,11 @@ static const struct mtk_mmsys_driver_data mt8192_mmsys_driver_data = {
 	.ext_len = ARRAY_SIZE(mt8192_mtk_ddp_ext),
 };
 
-static const struct mtk_mmsys_match_data mt8192_mmsys_match_data = {
-	.num_drv_data = 1,
-	.drv_data = {
-		&mt8192_mmsys_driver_data,
-	},
-};
-
 static const struct mtk_mmsys_driver_data mt8195_vdosys0_driver_data = {
-	.io_start = 0x1c01a000,
 	.main_path = mt8195_mtk_ddp_main,
 	.main_len = ARRAY_SIZE(mt8195_mtk_ddp_main),
 };
 
-static const struct mtk_mmsys_driver_data mt8195_vdosys1_driver_data = {
-	.io_start = 0x1c100000,
-};
-
-static const struct mtk_mmsys_match_data mt8195_mmsys_match_data = {
-	.num_drv_data = 1,
-	.drv_data = {
-		&mt8195_vdosys0_driver_data,
-		&mt8195_vdosys1_driver_data,
-	},
-};
-
 static int mtk_drm_kms_init(struct drm_device *drm)
 {
 	struct mtk_drm_private *private = drm->dev_private;
@@ -659,53 +588,34 @@ 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_match_data},
+	  .data = &mt2701_mmsys_driver_data},
 	{ .compatible = "mediatek,mt7623-mmsys",
-	  .data = &mt7623_mmsys_match_data},
+	  .data = &mt7623_mmsys_driver_data},
 	{ .compatible = "mediatek,mt2712-mmsys",
-	  .data = &mt2712_mmsys_match_data},
+	  .data = &mt2712_mmsys_driver_data},
 	{ .compatible = "mediatek,mt8167-mmsys",
-	  .data = &mt8167_mmsys_match_data},
+	  .data = &mt8167_mmsys_driver_data},
 	{ .compatible = "mediatek,mt8173-mmsys",
-	  .data = &mt8173_mmsys_match_data},
+	  .data = &mt8173_mmsys_driver_data},
 	{ .compatible = "mediatek,mt8183-mmsys",
-	  .data = &mt8183_mmsys_match_data},
+	  .data = &mt8183_mmsys_driver_data},
 	{ .compatible = "mediatek,mt8186-mmsys",
-	  .data = &mt8186_mmsys_match_data},
+	  .data = &mt8186_mmsys_driver_data},
 	{ .compatible = "mediatek,mt8192-mmsys",
-	  .data = &mt8192_mmsys_match_data},
+	  .data = &mt8192_mmsys_driver_data},
 	{ .compatible = "mediatek,mt8195-mmsys",
-	  .data = &mt8195_mmsys_match_data},
+	  .data = &mt8195_vdosys0_driver_data},
+	{ .compatible = "mediatek,mt8195-vdosys0",
+	  .data = &mt8195_vdosys0_driver_data},
 	{ }
 };
 MODULE_DEVICE_TABLE(of, mtk_drm_of_ids);
 
-static int mtk_drm_find_match_data(struct device *dev,
-				   const struct mtk_mmsys_match_data *match_data)
-{
-	int i;
-	struct platform_device *pdev = of_find_device_by_node(dev->parent->of_node);
-	struct resource *res;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(dev, "failed to get parent resource\n");
-		return -EINVAL;
-	}
-
-	for (i = 0; i < match_data->num_drv_data; i++)
-		if (match_data->drv_data[i]->io_start == res->start)
-			return i;
-
-	return -EINVAL;
-}
-
 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;
-	const struct mtk_mmsys_match_data *match_data;
 	struct mtk_drm_private *private;
 	struct device_node *node;
 	struct component_match *match = NULL;
@@ -726,19 +636,7 @@ static int mtk_drm_probe(struct platform_device *pdev)
 	if (!of_id)
 		return -ENODEV;
 
-	match_data = of_id->data;
-	if (match_data->num_drv_data > 1) {
-		/* This SoC has multiple mmsys channels */
-		ret = mtk_drm_find_match_data(dev, match_data);
-		if (ret < 0) {
-			dev_err(dev, "Couldn't get match driver data\n");
-			return ret;
-		}
-		private->data = match_data->drv_data[ret];
-	} else {
-		dev_dbg(dev, "Using single mmsys channel\n");
-		private->data = match_data->drv_data[0];
-	}
+	private->data = of_id->data;
 
 	/* Iterate over sibling DISP function blocks */
 	for_each_child_of_node(phandle->parent, node) {

drivers/gpu/drm/mediatek/mtk_drm_drv.h

@@ -21,7 +21,6 @@ struct drm_property;
 struct regmap;
 
 struct mtk_mmsys_driver_data {
-	const resource_size_t io_start;
 	const enum mtk_ddp_comp_id *main_path;
 	unsigned int main_len;
 	const enum mtk_ddp_comp_id *ext_path;
@@ -32,11 +31,6 @@ struct mtk_mmsys_driver_data {
 	bool shadow_register;
 };
 
-struct mtk_mmsys_match_data {
-	unsigned short num_drv_data;
-	const struct mtk_mmsys_driver_data *drv_data[];
-};
-
 struct mtk_drm_private {
 	struct drm_device *drm;
 	struct device *dma_dev;