diff --git a/drivers/gpu/drm/mediatek/mtk_disp_merge.c b/drivers/gpu/drm/mediatek/mtk_disp_merge.c
index ebcb646bde9c..c61f5bafd22c 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_merge.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_merge.c
@@ -4,6 +4,7 @@
  */
 
 #include <linux/clk.h>
+#include <linux/reset.h>
 #include <linux/component.h>
 #include <linux/of_device.h>
 #include <linux/of_irq.h>
@@ -87,6 +88,9 @@ void mtk_merge_stop(struct device *dev)
 	struct mtk_disp_merge *priv = dev_get_drvdata(dev);
 
 	writel(0x0, priv->regs + DISP_REG_MERGE_CTRL);
+
+	if (priv->async_clk)
+		device_reset_optional(dev);
 }
 
 static void mtk_merge_fifo_setting(struct mtk_disp_merge *priv,
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
index 40df2c823187..0da78adf3b4f 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -737,21 +737,28 @@ static int mtk_drm_crtc_init_comp_planes(struct drm_device *drm_dev,
 }
 
 int mtk_drm_crtc_create(struct drm_device *drm_dev,
-			const enum mtk_ddp_comp_id *path, unsigned int path_len)
+			const enum mtk_ddp_comp_id *path, unsigned int path_len,
+			int priv_data_index)
 {
 	struct mtk_drm_private *priv = drm_dev->dev_private;
 	struct device *dev = drm_dev->dev;
 	struct mtk_drm_crtc *mtk_crtc;
 	unsigned int num_comp_planes = 0;
-	int pipe = priv->num_pipes;
 	int ret;
 	int i;
 	bool has_ctm = false;
 	uint gamma_lut_size = 0;
+	struct drm_crtc *tmp;
+	int crtc_i = 0;
 
 	if (!path)
 		return 0;
 
+	priv = priv->all_drm_private[priv_data_index];
+
+	drm_for_each_crtc(tmp, drm_dev)
+		crtc_i++;
+
 	for (i = 0; i < path_len; i++) {
 		enum mtk_ddp_comp_id comp_id = path[i];
 		struct device_node *node;
@@ -760,7 +767,7 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev,
 		if (!node) {
 			dev_info(dev,
 				 "Not creating crtc %d because component %d is disabled or missing\n",
-				 pipe, comp_id);
+				 crtc_i, comp_id);
 			return 0;
 		}
 	}
@@ -816,25 +823,25 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev,
 
 	for (i = 0; i < mtk_crtc->ddp_comp_nr; i++) {
 		ret = mtk_drm_crtc_init_comp_planes(drm_dev, mtk_crtc, i,
-						    pipe);
+						    crtc_i);
 		if (ret)
 			return ret;
 	}
 
-	ret = mtk_drm_crtc_init(drm_dev, mtk_crtc, pipe);
+	ret = mtk_drm_crtc_init(drm_dev, mtk_crtc, crtc_i);
 	if (ret < 0)
 		return ret;
 
 	if (gamma_lut_size)
 		drm_mode_crtc_set_gamma_size(&mtk_crtc->base, gamma_lut_size);
 	drm_crtc_enable_color_mgmt(&mtk_crtc->base, 0, has_ctm, gamma_lut_size);
-	priv->num_pipes++;
 	mutex_init(&mtk_crtc->hw_lock);
 
 #if IS_REACHABLE(CONFIG_MTK_CMDQ)
+	i = (priv->data->mmsys_dev_num > 1) ? 0 : drm_crtc_index(&mtk_crtc->base);
+
 	mtk_crtc->cmdq_client =
-			cmdq_mbox_create(mtk_crtc->mmsys_dev,
-					 drm_crtc_index(&mtk_crtc->base));
+			cmdq_mbox_create(mtk_crtc->mmsys_dev, i);
 	if (IS_ERR(mtk_crtc->cmdq_client)) {
 		dev_dbg(dev, "mtk_crtc %d failed to create mailbox client, writing register by CPU now\n",
 			drm_crtc_index(&mtk_crtc->base));
@@ -844,7 +851,7 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev,
 	if (mtk_crtc->cmdq_client) {
 		ret = of_property_read_u32_index(priv->mutex_node,
 						 "mediatek,gce-events",
-						 drm_crtc_index(&mtk_crtc->base),
+						 i,
 						 &mtk_crtc->cmdq_event);
 		if (ret) {
 			dev_dbg(dev, "mtk_crtc %d failed to get mediatek,gce-events property\n",
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.h b/drivers/gpu/drm/mediatek/mtk_drm_crtc.h
index cb9a36c48d4f..a57eb12d7c05 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.h
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.h
@@ -17,7 +17,8 @@
 void mtk_drm_crtc_commit(struct drm_crtc *crtc);
 int mtk_drm_crtc_create(struct drm_device *drm_dev,
 			const enum mtk_ddp_comp_id *path,
-			unsigned int path_len);
+			unsigned int path_len,
+			int priv_data_index);
 int mtk_drm_crtc_plane_check(struct drm_crtc *crtc, struct drm_plane *plane,
 			     struct mtk_plane_state *state);
 void mtk_drm_crtc_async_update(struct drm_crtc *crtc, struct drm_plane *plane,
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
index ee8efc13eaea..9623adbc2277 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
@@ -380,6 +380,18 @@ static const struct mtk_ddp_comp_funcs ddp_ufoe = {
 	.start = mtk_ufoe_start,
 };
 
+static const struct mtk_ddp_comp_funcs ddp_ovl_adaptor = {
+	.clk_enable = mtk_ethdr_clk_enable,
+	.clk_disable = mtk_ethdr_clk_disable,
+	.config = mtk_ethdr_config,
+	.start = mtk_ethdr_start,
+	.stop = mtk_ethdr_stop,
+	.layer_nr = mtk_ethdr_layer_nr,
+	.layer_config = mtk_ethdr_layer_config,
+	.enable_vblank = mtk_ethdr_enable_vblank,
+	.disable_vblank = mtk_ethdr_disable_vblank,
+};
+
 static const char * const mtk_ddp_comp_stem[MTK_DDP_COMP_TYPE_MAX] = {
 	[MTK_DISP_AAL] = "aal",
 	[MTK_DISP_BLS] = "bls",
@@ -393,6 +405,7 @@ static const char * const mtk_ddp_comp_stem[MTK_DDP_COMP_TYPE_MAX] = {
 	[MTK_DISP_OD] = "od",
 	[MTK_DISP_OVL] = "ovl",
 	[MTK_DISP_OVL_2L] = "ovl-2l",
+	[MTK_DISP_OVL_ADAPTOR] = "ovl_adaptor",
 	[MTK_DISP_PWM] = "pwm",
 	[MTK_DISP_RDMA] = "rdma",
 	[MTK_DISP_UFOE] = "ufoe",
@@ -436,6 +449,7 @@ static const struct mtk_ddp_comp_match mtk_ddp_matches[DDP_COMPONENT_ID_MAX] = {
 	[DDP_COMPONENT_OVL1]	= { MTK_DISP_OVL,	1, &ddp_ovl },
 	[DDP_COMPONENT_OVL_2L0]	= { MTK_DISP_OVL_2L,	0, &ddp_ovl },
 	[DDP_COMPONENT_OVL_2L1]	= { MTK_DISP_OVL_2L,	1, &ddp_ovl },
+	[DDP_COMPONENT_OVL_ADAPTOR] = { MTK_DISP_OVL_ADAPTOR,	0, &ddp_ovl_adaptor },
 	[DDP_COMPONENT_PWM0]	= { MTK_DISP_PWM,	0, NULL },
 	[DDP_COMPONENT_PWM1]	= { MTK_DISP_PWM,	1, NULL },
 	[DDP_COMPONENT_PWM2]	= { MTK_DISP_PWM,	2, NULL },
@@ -563,6 +577,7 @@ int mtk_ddp_comp_init(struct device_node *node, struct mtk_ddp_comp *comp,
 	    type == MTK_DISP_MERGE ||
 	    type == MTK_DISP_OVL ||
 	    type == MTK_DISP_OVL_2L ||
+	    type == MTK_DISP_OVL_ADAPTOR ||
 	    type == MTK_DISP_PWM ||
 	    type == MTK_DISP_RDMA ||
 	    type == MTK_DPI ||
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
index b42a47c06956..a8e5e770ce2f 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
@@ -30,6 +30,7 @@ enum mtk_ddp_comp_type {
 	MTK_DISP_OD,
 	MTK_DISP_OVL,
 	MTK_DISP_OVL_2L,
+	MTK_DISP_OVL_ADAPTOR,
 	MTK_DISP_PWM,
 	MTK_DISP_RDMA,
 	MTK_DISP_UFOE,
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index 6a18c12fe04e..c233069b4cc2 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -11,6 +11,7 @@
 #include <linux/of_platform.h>
 #include <linux/pm_runtime.h>
 #include <linux/dma-mapping.h>
+#include <linux/reset-controller.h>
 
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
@@ -160,12 +161,20 @@ static const enum mtk_ddp_comp_id mt8195_mtk_ddp_main[] = {
 	DDP_COMPONENT_DP_INTF0,
 };
 
+static const enum mtk_ddp_comp_id mt8195_mtk_ddp_ext[] = {
+	DDP_COMPONENT_OVL_ADAPTOR,
+	DDP_COMPONENT_MERGE5,
+	DDP_COMPONENT_DP_INTF1,
+};
+
 static const struct mtk_mmsys_driver_data mt2701_mmsys_driver_data = {
 	.main_path = mt2701_mtk_ddp_main,
 	.main_len = ARRAY_SIZE(mt2701_mtk_ddp_main),
 	.ext_path = mt2701_mtk_ddp_ext,
 	.ext_len = ARRAY_SIZE(mt2701_mtk_ddp_ext),
 	.shadow_register = true,
+	.mmsys_id = 0,
+	.mmsys_dev_num = 1,
 };
 
 static const struct mtk_mmsys_driver_data mt7623_mmsys_driver_data = {
@@ -174,6 +183,8 @@ static const struct mtk_mmsys_driver_data mt7623_mmsys_driver_data = {
 	.ext_path = mt7623_mtk_ddp_ext,
 	.ext_len = ARRAY_SIZE(mt7623_mtk_ddp_ext),
 	.shadow_register = true,
+	.mmsys_id = 0,
+	.mmsys_dev_num = 1,
 };
 
 static const struct mtk_mmsys_driver_data mt2712_mmsys_driver_data = {
@@ -183,6 +194,8 @@ static const struct mtk_mmsys_driver_data mt2712_mmsys_driver_data = {
 	.ext_len = ARRAY_SIZE(mt2712_mtk_ddp_ext),
 	.third_path = mt2712_mtk_ddp_third,
 	.third_len = ARRAY_SIZE(mt2712_mtk_ddp_third),
+	.mmsys_id = 0,
+	.mmsys_dev_num = 1,
 };
 
 static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = {
@@ -190,6 +203,8 @@ static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = {
 	.main_len = ARRAY_SIZE(mt8173_mtk_ddp_main),
 	.ext_path = mt8173_mtk_ddp_ext,
 	.ext_len = ARRAY_SIZE(mt8173_mtk_ddp_ext),
+	.mmsys_id = 0,
+	.mmsys_dev_num = 1,
 };
 
 static const struct mtk_mmsys_driver_data mt8183_mmsys_driver_data = {
@@ -197,32 +212,226 @@ static const struct mtk_mmsys_driver_data mt8183_mmsys_driver_data = {
 	.main_len = ARRAY_SIZE(mt8183_mtk_ddp_main),
 	.ext_path = mt8183_mtk_ddp_ext,
 	.ext_len = ARRAY_SIZE(mt8183_mtk_ddp_ext),
+	.mmsys_id = 0,
+	.mmsys_dev_num = 1,
 };
 
 static const struct mtk_mmsys_driver_data mt8195_vdosys0_driver_data = {
 	.main_path = mt8195_mtk_ddp_main,
 	.main_len = ARRAY_SIZE(mt8195_mtk_ddp_main),
+	.mmsys_id = 0,
+	.mmsys_dev_num = 2,
+};
+
+static const struct mtk_mmsys_driver_data mt8195_vdosys1_driver_data = {
+	.ext_path = mt8195_mtk_ddp_ext,
+	.ext_len = ARRAY_SIZE(mt8195_mtk_ddp_ext),
+	.mmsys_id = 1,
+	.mmsys_dev_num = 2,
+};
+
+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",
+	  .data = &mt8173_mmsys_driver_data},
+	{ .compatible = "mediatek,mt8183-mmsys",
+	  .data = &mt8183_mmsys_driver_data},
+	{ .compatible = "mediatek,mt8195-vdosys0",
+	  .data = &mt8195_vdosys0_driver_data},
+	{ .compatible = "mediatek,mt8195-vdosys1",
+	  .data = &mt8195_vdosys1_driver_data},
+	{ }
 };
+MODULE_DEVICE_TABLE(of, mtk_drm_of_ids);
+
+static int mtk_drm_match(struct device *dev, void *data)
+{
+	if (!strncmp(dev_name(dev), "mediatek-drm", sizeof("mediatek-drm") - 1))
+		return true;
+	return false;
+}
+
+static int mtk_drm_get_drm_priv(struct device *dev,
+				struct mtk_drm_private **all_drm_priv,
+				int num)
+{
+	struct mtk_drm_private *drm_priv = dev_get_drvdata(dev);
+	struct device_node *phandle = dev->parent->of_node;
+	const struct of_device_id *of_id;
+	struct device_node *node;
+	int cnt = 0;
+	struct device *drm_dev;
+
+	for_each_child_of_node(phandle->parent, node) {
+		struct platform_device *pdev;
+
+		of_id = of_match_node(mtk_drm_of_ids, node);
+		if (!of_id)
+			continue;
+
+		pdev = of_find_device_by_node(node);
+		if (!pdev)
+			continue;
+
+		drm_dev = device_find_child(&pdev->dev, NULL, mtk_drm_match);
+		if (!drm_dev || !dev_get_drvdata(drm_dev))
+			continue;
+
+		all_drm_priv[cnt++] = dev_get_drvdata(drm_dev);
+		if (cnt == num)
+			break;
+	}
+
+	return 0;
+}
+
+static bool mtk_drm_check_last_drm_bind(struct device *dev)
+{
+	struct mtk_drm_private *drm_priv = dev_get_drvdata(dev);
+	struct mtk_drm_private *all_drm_priv[MAX_CRTC];
+	int cnt = 0;
+	int i;
+
+	mtk_drm_get_drm_priv(dev, all_drm_priv, drm_priv->data->mmsys_dev_num);
+
+	for (i = 0; i < MAX_CRTC; i++)
+		if (all_drm_priv[i] && all_drm_priv[i]->mtk_drm_bound)
+			cnt++;
+
+	return (drm_priv->data->mmsys_dev_num == cnt);
+}
+
+static bool mtk_drm_find_drm_dev(struct device *dev, struct drm_device **drm)
+{
+	struct device_node *phandle = dev->parent->of_node;
+	struct mtk_drm_private *drm_priv = dev_get_drvdata(dev);
+	struct mtk_drm_private *all_drm_priv[MAX_CRTC];
+	int i;
+
+	if (!drm_priv->data->mmsys_dev_num)
+		return false;
+
+	mtk_drm_get_drm_priv(dev, all_drm_priv, drm_priv->data->mmsys_dev_num);
+
+	for (i = 0; i < MAX_CRTC; i++) {
+		if (all_drm_priv[i] && all_drm_priv[i]->mtk_drm_bound) {
+			*drm = all_drm_priv[i]->drm;
+			return true;
+		}
+	}
+
+	return false;
+}
+
+static int mtk_drm_setup_all_drm_private(struct device *dev)
+{
+	struct mtk_drm_private *drm_priv = dev_get_drvdata(dev);
+	struct mtk_drm_private *all_drm_priv[MAX_CRTC];
+	int mmsys_dev_num = drm_priv->data->mmsys_dev_num;
+	int i;
+	int j;
+
+	mtk_drm_get_drm_priv(dev, all_drm_priv, mmsys_dev_num);
+
+	for (i = 0; i < mmsys_dev_num; i++)
+		for (j = 0; j < mmsys_dev_num; j++)
+			all_drm_priv[j]->all_drm_private[i] = all_drm_priv[i];
+
+	return 0;
+}
+
+static bool mtk_drm_find_mmsys_comp(struct mtk_drm_private *private, int comp_id)
+{
+	const struct mtk_mmsys_driver_data *drv_data = private->data;
+	int ret = false;
+	int i;
+
+	if (drv_data->mmsys_dev_num == 1)
+		return true;
+
+	if (drv_data->main_path) {
+		for (i = 0; i < drv_data->main_len; i++)
+			if (drv_data->main_path[i] == comp_id)
+				ret |= true;
+
+		if (i == drv_data->main_len)
+			ret |= false;
+	}
+
+	if (drv_data->ext_path) {
+		for (i = 0; i < drv_data->ext_len; i++)
+			if (drv_data->ext_path[i] == comp_id)
+				ret |= true;
+
+		if (i == drv_data->ext_len)
+			ret |= false;
+	}
+
+	if (drv_data->third_path) {
+		for (i = 0; i < drv_data->third_len; i++)
+			if (drv_data->third_path[i] == comp_id)
+				ret |= true;
+
+		if (i == drv_data->third_len)
+			ret |= false;
+	}
+
+	return ret;
+}
+
+static int mtk_drm_check_mutex_dev(struct mtk_drm_private *private)
+{
+	struct platform_device *pdev;
+	struct mtk_drm_private *priv_i;
+	int ret;
+	int i;
+
+	for (i = 0; i < private->data->mmsys_dev_num; i++) {
+		priv_i = private->all_drm_private[i];
+
+		pdev = of_find_device_by_node(priv_i->mutex_node);
+		if (!pdev) {
+			dev_err(priv_i->dev, "Waiting for disp-mutex device %pOF\n",
+				priv_i->mutex_node);
+			ret = -EPROBE_DEFER;
+			goto err_put_mutex;
+		}
+		priv_i->mutex_dev = &pdev->dev;
+	}
+
+	return 0;
+
+err_put_mutex:
+	for (i = 0; i < private->data->mmsys_dev_num; i++) {
+		priv_i = private->all_drm_private[i];
+		of_node_put(priv_i->mutex_node);
+	}
+
+	return ret;
+}
 
 static int mtk_drm_kms_init(struct drm_device *drm)
 {
 	struct mtk_drm_private *private = drm->dev_private;
+	struct mtk_drm_private *priv_n;
 	struct platform_device *pdev;
-	struct device_node *np;
+	struct device_node *np = NULL;
 	struct device *dma_dev;
 	int ret;
+	int i;
+	int j;
 
 	if (!iommu_present(&platform_bus_type))
 		return -EPROBE_DEFER;
 
-	pdev = of_find_device_by_node(private->mutex_node);
-	if (!pdev) {
-		dev_err(drm->dev, "Waiting for disp-mutex device %pOF\n",
-			private->mutex_node);
-		of_node_put(private->mutex_node);
-		return -EPROBE_DEFER;
-	}
-	private->mutex_dev = &pdev->dev;
+	ret = mtk_drm_check_mutex_dev(private);
+	if (ret)
+		return ret;
 
 	ret = drmm_mode_config_init(drm);
 	if (ret)
@@ -241,33 +450,57 @@ static int mtk_drm_kms_init(struct drm_device *drm)
 	drm->mode_config.funcs = &mtk_drm_mode_config_funcs;
 	drm->mode_config.helper_private = &mtk_drm_mode_config_helpers;
 
-	ret = component_bind_all(drm->dev, drm);
+	for (i = 0; i < private->data->mmsys_dev_num; i++) {
+		drm->dev_private = private->all_drm_private[i];
+		ret = component_bind_all(private->all_drm_private[i]->dev, drm);
 	if (ret)
 		goto put_mutex_dev;
+	}
 
 	/*
 	 * We currently support two fixed data streams, each optional,
 	 * and each statically assigned to a crtc:
 	 * OVL0 -> COLOR0 -> AAL -> OD -> RDMA0 -> UFOE -> DSI0 ...
 	 */
-	ret = mtk_drm_crtc_create(drm, private->data->main_path,
-				  private->data->main_len);
-	if (ret < 0)
-		goto err_component_unbind;
-	/* ... and OVL1 -> COLOR1 -> GAMMA -> RDMA1 -> DPI0. */
-	ret = mtk_drm_crtc_create(drm, private->data->ext_path,
-				  private->data->ext_len);
-	if (ret < 0)
-		goto err_component_unbind;
-
-	ret = mtk_drm_crtc_create(drm, private->data->third_path,
-				  private->data->third_len);
-	if (ret < 0)
-		goto err_component_unbind;
+	for (i = 0; i < MAX_CRTC; i++) {
+		for (j = 0; j < private->data->mmsys_dev_num; j++) {
+			priv_n = private->all_drm_private[j];
+
+			if (i == 0 && priv_n->data->main_len) {
+				ret = mtk_drm_crtc_create(drm, priv_n->data->main_path,
+							  priv_n->data->main_len, j);
+				if (ret)
+					goto err_component_unbind;
+
+				if (!np)
+					np = priv_n->comp_node[priv_n->data->main_path[0]];
+
+				continue;
+			} else if (i == 1 && priv_n->data->ext_len) {
+				ret = mtk_drm_crtc_create(drm, priv_n->data->ext_path,
+							  priv_n->data->ext_len, j);
+				if (ret)
+					goto err_component_unbind;
+
+				if (!np)
+					np = priv_n->comp_node[priv_n->data->ext_path[0]];
+
+				continue;
+			} else if (i == 2 && priv_n->data->third_len) {
+				ret = mtk_drm_crtc_create(drm, priv_n->data->third_path,
+							  priv_n->data->third_len, j);
+				if (ret)
+					goto err_component_unbind;
+
+				if (!np)
+					np = priv_n->comp_node[priv_n->data->third_path[0]];
+
+				continue;
+			}
+		}
+	}
 
 	/* Use OVL device for all DMA memory allocations */
-	np = private->comp_node[private->data->main_path[0]] ?:
-	     private->comp_node[private->data->ext_path[0]];
 	pdev = of_find_device_by_node(np);
 	if (!pdev) {
 		ret = -ENODEV;
@@ -276,13 +509,15 @@ static int mtk_drm_kms_init(struct drm_device *drm)
 	}
 
 	dma_dev = &pdev->dev;
-	private->dma_dev = dma_dev;
+	for (i = 0; i < private->data->mmsys_dev_num; i++)
+		private->all_drm_private[i]->dma_dev = dma_dev;
 
 	/*
 	 * Configure the DMA segment size to make sure we get contiguous IOVA
 	 * when importing PRIME buffers.
 	 */
 	ret = dma_set_max_seg_size(dma_dev, UINT_MAX);
+
 	if (ret) {
 		dev_err(dma_dev, "Failed to set DMA segment size\n");
 		goto err_component_unbind;
@@ -304,9 +539,12 @@ static int mtk_drm_kms_init(struct drm_device *drm)
 	return 0;
 
 err_component_unbind:
-	component_unbind_all(drm->dev, drm);
+	for (i = 0; i < private->data->mmsys_dev_num; i++)
+		component_unbind_all(private->all_drm_private[i]->dev, drm);
 put_mutex_dev:
-	put_device(private->mutex_dev);
+	for (i = 0; i < private->data->mmsys_dev_num; i++)
+		put_device(private->all_drm_private[i]->mutex_dev);
+
 	return ret;
 }
 
@@ -371,12 +609,21 @@ static int mtk_drm_bind(struct device *dev)
 	struct drm_device *drm;
 	int ret;
 
-	drm = drm_dev_alloc(&mtk_drm_driver, dev);
-	if (IS_ERR(drm))
-		return PTR_ERR(drm);
+	if (!mtk_drm_find_drm_dev(dev, &drm)) {
+		drm = drm_dev_alloc(&mtk_drm_driver, dev);
+		if (IS_ERR(drm))
+			return PTR_ERR(drm);
+		drm->dev_private = private;
+	}
 
-	drm->dev_private = private;
+	private->dev = dev;
 	private->drm = drm;
+	private->mtk_drm_bound = true;
+
+	if (!mtk_drm_check_last_drm_bind(dev))
+		return 0;
+
+	mtk_drm_setup_all_drm_private(dev);
 
 	ret = mtk_drm_kms_init(drm);
 	if (ret < 0)
@@ -401,10 +648,13 @@ static void mtk_drm_unbind(struct device *dev)
 {
 	struct mtk_drm_private *private = dev_get_drvdata(dev);
 
-	drm_dev_unregister(private->drm);
-	mtk_drm_kms_deinit(private->drm);
-	drm_dev_put(private->drm);
-	private->num_pipes = 0;
+	/* for multi mmsys dev, unregister drm dev in mmsys master */
+	if (private->data->mmsys_id == 0) {
+		drm_dev_unregister(private->drm);
+		mtk_drm_kms_deinit(private->drm);
+		drm_dev_put(private->drm);
+	}
+	private->mtk_drm_bound = false;
 	private->drm = NULL;
 }
 
@@ -485,50 +735,40 @@ 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",
-	  .data = &mt8173_mmsys_driver_data},
-	{ .compatible = "mediatek,mt8183-mmsys",
-	  .data = &mt8183_mmsys_driver_data},
-	{.compatible = "mediatek,mt8195-vdosys0",
-	  .data = &mt8195_vdosys0_driver_data},
-	{ }
-};
-MODULE_DEVICE_TABLE(of, mtk_drm_of_ids);
-
 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_driver_data *drv_data;
 	struct mtk_drm_private *private;
 	struct device_node *node;
 	struct component_match *match = NULL;
 	int ret;
 	int i;
 
+	of_id = of_match_node(mtk_drm_of_ids, phandle);
+	if (!of_id)
+		return -ENODEV;
+
+	drv_data = of_id->data;
 	private = devm_kzalloc(dev, sizeof(*private), GFP_KERNEL);
 	if (!private)
 		return -ENOMEM;
 
+	private->all_drm_private = devm_kmalloc_array(dev, drv_data->mmsys_dev_num,
+						      sizeof(*private->all_drm_private),
+						      GFP_KERNEL);
+	if (!private->all_drm_private)
+		return -ENOMEM;
+
+	private->data = drv_data;
 	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(phandle->parent, node) {
 		const struct of_device_id *of_id;
@@ -548,7 +788,13 @@ static int mtk_drm_probe(struct platform_device *pdev)
 		comp_type = (enum mtk_ddp_comp_type)of_id->data;
 
 		if (comp_type == MTK_DISP_MUTEX) {
-			private->mutex_node = of_node_get(node);
+			int id;
+
+			id = of_alias_get_id(node, "mutex");
+			if (id < 0 || id == drv_data->mmsys_id) {
+				private->mutex_node = of_node_get(node);
+				dev_dbg(dev, "get mutex for mmsys %d", drv_data->mmsys_id);
+			}
 			continue;
 		}
 
@@ -559,6 +805,9 @@ static int mtk_drm_probe(struct platform_device *pdev)
 			continue;
 		}
 
+		if (!mtk_drm_find_mmsys_comp(private, comp_id))
+			continue;
+
 		private->comp_node[comp_id] = of_node_get(node);
 
 		/*
@@ -572,6 +821,7 @@ static int mtk_drm_probe(struct platform_device *pdev)
 		    comp_type == MTK_DISP_MERGE ||
 		    comp_type == MTK_DISP_OVL ||
 		    comp_type == MTK_DISP_OVL_2L ||
+		    comp_type == MTK_DISP_OVL_ADAPTOR ||
 		    comp_type == MTK_DISP_RDMA ||
 		    comp_type == MTK_DPI ||
 		    comp_type == MTK_DSI) {
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h b/drivers/gpu/drm/mediatek/mtk_drm_drv.h
index 7b09fe6db067..867d7b8e788f 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h
@@ -29,14 +29,15 @@ struct mtk_mmsys_driver_data {
 	unsigned int third_len;
 
 	bool shadow_register;
+	unsigned int mmsys_id;
+	unsigned int mmsys_dev_num;
 };
 
 struct mtk_drm_private {
 	struct drm_device *drm;
 	struct device *dma_dev;
-
-	unsigned int num_pipes;
-
+	bool mtk_drm_bound;
+	struct device *dev;
 	struct device_node *mutex_node;
 	struct device *mutex_dev;
 	struct device *mmsys_dev;
@@ -44,6 +45,7 @@ struct mtk_drm_private {
 	struct mtk_ddp_comp ddp_comp[DDP_COMPONENT_ID_MAX];
 	const struct mtk_mmsys_driver_data *data;
 	struct drm_atomic_state *suspend_state;
+	struct mtk_drm_private **all_drm_private;
 };
 
 extern struct platform_driver mtk_disp_ccorr_driver;
