diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c
index b3aae8439aa3..e4aee2ccbf4d 100644
--- a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c
+++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c
@@ -218,6 +218,10 @@ struct dw_mipi_dsi_rockchip {
 	struct clk *grf_clk;
 	struct clk *phy_cfg_clk;
 
+	/* dual-channel */
+	bool is_slave;
+	struct dw_mipi_dsi_rockchip *slave;
+
 	unsigned int lane_mbps; /* per lane */
 	u16 input_div;
 	u16 feedback_div;
@@ -226,6 +230,7 @@ struct dw_mipi_dsi_rockchip {
 	struct dw_mipi_dsi *dmd;
 	const struct rockchip_dw_dsi_chip_data *cdata;
 	struct dw_mipi_dsi_plat_data pdata;
+	int devcnt;
 };
 
 struct dphy_pll_parameter_map {
@@ -602,6 +607,8 @@ dw_mipi_dsi_encoder_atomic_check(struct drm_encoder *encoder,
 	}
 
 	s->output_type = DRM_MODE_CONNECTOR_DSI;
+	if (dsi->slave)
+		s->output_flags = ROCKCHIP_OUTPUT_DSI_DUAL;
 
 	return 0;
 }
@@ -617,6 +624,8 @@ static void dw_mipi_dsi_encoder_enable(struct drm_encoder *encoder)
 		return;
 
 	pm_runtime_get_sync(dsi->dev);
+	if (dsi->slave)
+		pm_runtime_get_sync(dsi->slave->dev);
 
 	/*
 	 * For the RK3399, the clk of grf must be enabled before writing grf
@@ -630,6 +639,8 @@ static void dw_mipi_dsi_encoder_enable(struct drm_encoder *encoder)
 	}
 
 	dw_mipi_dsi_rockchip_config(dsi, mux);
+	if (dsi->slave)
+		dw_mipi_dsi_rockchip_config(dsi->slave, mux);
 
 	clk_disable_unprepare(dsi->grf_clk);
 }
@@ -638,6 +649,8 @@ static void dw_mipi_dsi_encoder_disable(struct drm_encoder *encoder)
 {
 	struct dw_mipi_dsi_rockchip *dsi = to_dsi(encoder);
 
+	if (dsi->slave)
+		pm_runtime_put(dsi->slave->dev);
 	pm_runtime_put(dsi->dev);
 }
 
@@ -673,14 +686,76 @@ static int rockchip_dsi_drm_create_encoder(struct dw_mipi_dsi_rockchip *dsi,
 	return 0;
 }
 
+static int dw_mipi_dsi_rockchip_match_second(struct device *dev, void *data)
+{
+	struct dw_mipi_dsi_rockchip *dsi = data;
+	struct drm_bridge *bridge1, *bridge2;
+	struct drm_panel *panel1, *panel2;
+	int ret;
+
+	if (dsi->dev->of_node == dev->of_node)
+		return 0;
+
+	ret = drm_of_find_panel_or_bridge(dsi->dev->of_node, 1, 0,
+					  &panel1, &bridge1);
+	if (ret)
+		return ret;
+
+	ret = drm_of_find_panel_or_bridge(dev->of_node, 1, 0,
+					  &panel2, &bridge2);
+	if (ret)
+		return ret;
+
+	return (panel1 == panel2) && (bridge1 == bridge2);
+}
+
 static int dw_mipi_dsi_rockchip_bind(struct device *dev,
 				     struct device *master,
 				     void *data)
 {
 	struct dw_mipi_dsi_rockchip *dsi = dev_get_drvdata(dev);
 	struct drm_device *drm_dev = data;
+	struct device *second;
+	bool master1, master2;
 	int ret;
 
+	second = driver_find_device(dsi->dev->driver, NULL, dsi,
+					dw_mipi_dsi_rockchip_match_second);
+	if (IS_ERR(second))
+		return PTR_ERR(second);
+
+	if (second) {
+		master1 = of_property_read_bool(dsi->dev->of_node,
+						"clock-master");
+		master2 = of_property_read_bool(second->of_node,
+						"clock-master");
+
+		if (master1 && master2) {
+			DRM_DEV_ERROR(dsi->dev, "only one clock-master allowed\n");
+			return -EINVAL;
+		}
+
+		if (!master1 && !master2) {
+			DRM_DEV_ERROR(dsi->dev, "no clock-master defined\n");
+			return -EINVAL;
+		}
+
+		/* we are the slave in dual-DSI */
+		if (!master1) {
+			dsi->is_slave = true;
+			return 0;
+		}
+
+		dsi->slave = dev_get_drvdata(second);
+		if (!dsi->slave) {
+			DRM_DEV_ERROR(dev, "could not get slaves data\n");
+			return -ENODEV;
+		}
+
+		dsi->slave->is_slave = true;
+		dw_mipi_dsi_set_slave(dsi->dmd, dsi->slave->dmd);
+	}
+
 	ret = clk_prepare_enable(dsi->pllref_clk);
 	if (ret) {
 		DRM_DEV_ERROR(dev, "Failed to enable pllref_clk: %d\n", ret);
@@ -708,6 +783,9 @@ static void dw_mipi_dsi_rockchip_unbind(struct device *dev,
 {
 	struct dw_mipi_dsi_rockchip *dsi = dev_get_drvdata(dev);
 
+	if (dsi->is_slave)
+		return;
+
 	dw_mipi_dsi_unbind(dsi->dmd);
 
 	clk_disable_unprepare(dsi->pllref_clk);
@@ -749,6 +827,14 @@ static const struct dw_mipi_dsi_host_ops dw_mipi_dsi_rockchip_host_ops = {
 	.detach = dw_mipi_dsi_rockchip_host_detach,
 };
 
+static int dw_mipi_dsi_rockchip_cnt_dev(struct device *dev, void *data)
+{
+	struct dw_mipi_dsi_rockchip *dsi = data;
+
+	dsi->devcnt++;
+	return 0;
+}
+
 static int dw_mipi_dsi_rockchip_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
@@ -835,6 +921,22 @@ static int dw_mipi_dsi_rockchip_probe(struct platform_device *pdev)
 		goto err_clkdisable;
 	}
 
+	/*
+	 * All dsi child devices will have been created, so we can check
+	 * their number and add the component here if there will be no
+	 * host-attach call.
+	 */
+	device_for_each_child(dsi->dev, dsi, dw_mipi_dsi_rockchip_cnt_dev);
+	if (dsi->devcnt == 0) {
+		ret = component_add(dsi->dev, &dw_mipi_dsi_rockchip_ops);
+		if (ret) {
+			DRM_DEV_ERROR(dsi->dev, "Failed to register component: %d\n",
+						ret);
+			dw_mipi_dsi_remove(dsi->dmd);
+			goto err_clkdisable;
+		}
+	}
+
 	return 0;
 
 err_clkdisable:
@@ -846,6 +948,9 @@ static int dw_mipi_dsi_rockchip_remove(struct platform_device *pdev)
 {
 	struct dw_mipi_dsi_rockchip *dsi = platform_get_drvdata(pdev);
 
+	if (dsi->devcnt == 0)
+		component_del(dsi->dev, &dw_mipi_dsi_rockchip_ops);
+
 	dw_mipi_dsi_remove(dsi->dmd);
 
 	return 0;
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.h b/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
index 67bbd274b71f..acdd4facca67 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
@@ -37,6 +37,7 @@ struct rockchip_crtc_state {
 	int output_type;
 	int output_mode;
 	int output_bpc;
+	int output_flags;
 };
 #define to_rockchip_crtc_state(s) \
 		container_of(s, struct rockchip_crtc_state, base)
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index c9a5ea38e86b..e4c39356f79e 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -910,6 +910,7 @@ static void vop_crtc_atomic_enable(struct drm_crtc *crtc,
 	pin_pol |= (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC) ?
 		   BIT(VSYNC_POSITIVE) : 0;
 	VOP_REG_SET(vop, output, pin_pol, pin_pol);
+	VOP_REG_SET(vop, output, mipi_dual_channel_en, 0);
 
 	switch (s->output_type) {
 	case DRM_MODE_CONNECTOR_LVDS:
@@ -927,6 +928,8 @@ static void vop_crtc_atomic_enable(struct drm_crtc *crtc,
 	case DRM_MODE_CONNECTOR_DSI:
 		VOP_REG_SET(vop, output, mipi_pin_pol, pin_pol);
 		VOP_REG_SET(vop, output, mipi_en, 1);
+		VOP_REG_SET(vop, output, mipi_dual_channel_en,
+			    !!(s->output_flags & ROCKCHIP_OUTPUT_DSI_DUAL));
 		break;
 	case DRM_MODE_CONNECTOR_DisplayPort:
 		pin_pol &= ~BIT(DCLK_INVERT);
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
index fcb91041a666..361e4c7d225c 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
@@ -60,6 +60,7 @@ struct vop_output {
 	struct vop_reg edp_en;
 	struct vop_reg hdmi_en;
 	struct vop_reg mipi_en;
+	struct vop_reg mipi_dual_channel_en;
 	struct vop_reg rgb_en;
 };
 
@@ -213,6 +214,9 @@ struct vop_data {
 /* for use special outface */
 #define ROCKCHIP_OUT_MODE_AAAA	15
 
+/* output flags */
+#define ROCKCHIP_OUTPUT_DSI_DUAL	BIT(0)
+
 enum alpha_mode {
 	ALPHA_STRAIGHT,
 	ALPHA_INVERSE,
diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
index d824ca60c1a4..44d73c7beb5c 100644
--- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
+++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
@@ -543,6 +543,7 @@ static const struct vop_output rk3399_output = {
 	.hdmi_en = VOP_REG(RK3288_SYS_CTRL, 0x1, 13),
 	.edp_en = VOP_REG(RK3288_SYS_CTRL, 0x1, 14),
 	.mipi_en = VOP_REG(RK3288_SYS_CTRL, 0x1, 15),
+	.mipi_dual_channel_en = VOP_REG(RK3288_SYS_CTRL, 0x1, 3),
 };
 
 static const struct vop_data rk3399_vop_big = {
