drm/mediatek: Add ddp routing for mt7623

on BPi-R2/mt7623 main-path have to be routed to DPI0 (hdmi) instead of DSI0
using compatible "mt7623-mmsys" already defined in dts
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>

drivers/gpu/drm/mediatek/mtk_drm_drv.c

@@ -74,6 +74,19 @@ static const enum mtk_ddp_comp_id mt2701_mtk_ddp_ext[] = {
 	DDP_COMPONENT_DPI0,
 };
 
+static const enum mtk_ddp_comp_id mt7623_mtk_ddp_main[] = {
+	DDP_COMPONENT_OVL0,
+	DDP_COMPONENT_RDMA0,
+	DDP_COMPONENT_COLOR0,
+	DDP_COMPONENT_BLS,
+	DDP_COMPONENT_DPI0,
+};
+
+static const enum mtk_ddp_comp_id mt7623_mtk_ddp_ext[] = {
+	DDP_COMPONENT_RDMA1,
+	DDP_COMPONENT_DSI0,
+};
+
 static const enum mtk_ddp_comp_id mt2712_mtk_ddp_main[] = {
 	DDP_COMPONENT_OVL0,
 	DDP_COMPONENT_COLOR0,
@@ -127,6 +140,14 @@ static const struct mtk_mmsys_driver_data mt2701_mmsys_driver_data = {
 	.shadow_register = true,
 };
 
+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),
+	.ext_path = mt7623_mtk_ddp_ext,
+	.ext_len = ARRAY_SIZE(mt7623_mtk_ddp_ext),
+	.shadow_register = true,
+};
+
 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),
@@ -422,6 +443,8 @@ 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,mt7623-mmsys",
+	  .data = &mt7623_mmsys_driver_data},
 	{ .compatible = "mediatek,mt2712-mmsys",
 	  .data = &mt2712_mmsys_driver_data},
 	{ .compatible = "mediatek,mt8173-mmsys",