8 files changed, 303 insertions, 75 deletions

diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.c b/drivers/gpu/drm/exynos/exynos_dp_core.c
index 8b67f4141e78..5e05dbc60082 100644
--- a/drivers/gpu/drm/exynos/exynos_dp_core.c
+++ b/drivers/gpu/drm/exynos/exynos_dp_core.c
@@ -1325,12 +1325,26 @@ static const struct component_ops exynos_dp_ops = {
 
 static int exynos_dp_probe(struct platform_device *pdev)
 {
-	return exynos_drm_component_add(&pdev->dev, &exynos_dp_ops);
+	int ret;
+
+	ret = exynos_drm_component_add(&pdev->dev, EXYNOS_DEVICE_TYPE_CONNECTOR,
+					exynos_dp_display.type);
+	if (ret)
+		return ret;
+
+	ret = component_add(&pdev->dev, &exynos_dp_ops);
+	if (ret)
+		exynos_drm_component_del(&pdev->dev,
+						EXYNOS_DEVICE_TYPE_CONNECTOR);
+
+	return ret;
 }
 
 static int exynos_dp_remove(struct platform_device *pdev)
 {
-	exynos_drm_component_del(&pdev->dev, &exynos_dp_ops);
+	component_del(&pdev->dev, &exynos_dp_ops);
+	exynos_drm_component_del(&pdev->dev, EXYNOS_DEVICE_TYPE_CONNECTOR);
+
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dpi.c b/drivers/gpu/drm/exynos/exynos_drm_dpi.c
index a832364358a7..f1b8587cc63d 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dpi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dpi.c
@@ -295,9 +295,15 @@ struct exynos_drm_display *exynos_dpi_probe(struct device *dev)
 	struct exynos_dpi *ctx;
 	int ret;
 
+	ret = exynos_drm_component_add(dev,
+					EXYNOS_DEVICE_TYPE_CONNECTOR,
+					exynos_dpi_display.type);
+	if (ret)
+		return ERR_PTR(ret);
+
 	ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
 	if (!ctx)
-		return NULL;
+		goto err_del_component;
 
 	ctx->dev = dev;
 	exynos_dpi_display.ctx = ctx;
@@ -306,16 +312,24 @@ struct exynos_drm_display *exynos_dpi_probe(struct device *dev)
 	ret = exynos_dpi_parse_dt(ctx);
 	if (ret < 0) {
 		devm_kfree(dev, ctx);
-		return NULL;
+		goto err_del_component;
 	}
 
 	if (ctx->panel_node) {
 		ctx->panel = of_drm_find_panel(ctx->panel_node);
-		if (!ctx->panel)
+		if (!ctx->panel) {
+			exynos_drm_component_del(dev,
+						EXYNOS_DEVICE_TYPE_CONNECTOR);
 			return ERR_PTR(-EPROBE_DEFER);
+		}
 	}
 
 	return &exynos_dpi_display;
+
+err_del_component:
+	exynos_drm_component_del(dev, EXYNOS_DEVICE_TYPE_CONNECTOR);
+
+	return NULL;
 }
 
 int exynos_dpi_remove(struct device *dev)
@@ -327,5 +341,7 @@ int exynos_dpi_remove(struct device *dev)
 	encoder->funcs->destroy(encoder);
 	drm_connector_cleanup(&ctx->connector);
 
+	exynos_drm_component_del(dev, EXYNOS_DEVICE_TYPE_CONNECTOR);
+
 	return 0;
 }
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index c5a401ae4de5..5d225dd58a87 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -48,7 +48,10 @@ static LIST_HEAD(drm_component_list);
 
 struct component_dev {
 	struct list_head list;
-	struct device *dev;
+	struct device *crtc_dev;
+	struct device *conn_dev;
+	enum exynos_drm_output_type out_type;
+	unsigned int dev_type_flag;
 };
 
 static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
@@ -382,22 +385,65 @@ static const struct dev_pm_ops exynos_drm_pm_ops = {
 };
 
 int exynos_drm_component_add(struct device *dev,
-				const struct component_ops *ops)
+				enum exynos_drm_device_type dev_type,
+				enum exynos_drm_output_type out_type)
 {
 	struct component_dev *cdev;
-	int ret;
+
+	if (dev_type != EXYNOS_DEVICE_TYPE_CRTC &&
+			dev_type != EXYNOS_DEVICE_TYPE_CONNECTOR) {
+		DRM_ERROR("invalid device type.\n");
+		return -EINVAL;
+	}
+
+	mutex_lock(&drm_component_lock);
+
+	/*
+	 * Make sure to check if there is a component which has two device
+	 * objects, for connector and for encoder/connector.
+	 * It should make sure that crtc and encoder/connector drivers are
+	 * ready before exynos drm core binds them.
+	 */
+	list_for_each_entry(cdev, &drm_component_list, list) {
+		if (cdev->out_type == out_type) {
+			/*
+			 * If crtc and encoder/connector device objects are
+			 * added already just return.
+			 */
+			if (cdev->dev_type_flag == (EXYNOS_DEVICE_TYPE_CRTC |
+						EXYNOS_DEVICE_TYPE_CONNECTOR)) {
+				mutex_unlock(&drm_component_lock);
+				return 0;
+			}
+
+			if (dev_type == EXYNOS_DEVICE_TYPE_CRTC) {
+				cdev->crtc_dev = dev;
+				cdev->dev_type_flag |= dev_type;
+			}
+
+			if (dev_type == EXYNOS_DEVICE_TYPE_CONNECTOR) {
+				cdev->conn_dev = dev;
+				cdev->dev_type_flag |= dev_type;
+			}
+
+			mutex_unlock(&drm_component_lock);
+			return 0;
+		}
+	}
+
+	mutex_unlock(&drm_component_lock);
 
 	cdev = kzalloc(sizeof(*cdev), GFP_KERNEL);
 	if (!cdev)
 		return -ENOMEM;
 
-	ret = component_add(dev, ops);
-	if (ret) {
-		kfree(cdev);
-		return ret;
-	}
+	if (dev_type == EXYNOS_DEVICE_TYPE_CRTC)
+		cdev->crtc_dev = dev;
+	if (dev_type == EXYNOS_DEVICE_TYPE_CONNECTOR)
+		cdev->conn_dev = dev;
 
-	cdev->dev = dev;
+	cdev->out_type = out_type;
+	cdev->dev_type_flag = dev_type;
 
 	mutex_lock(&drm_component_lock);
 	list_add_tail(&cdev->list, &drm_component_list);
@@ -407,23 +453,40 @@ int exynos_drm_component_add(struct device *dev,
 }
 
 void exynos_drm_component_del(struct device *dev,
-				const struct component_ops *ops)
+				enum exynos_drm_device_type dev_type)
 {
 	struct component_dev *cdev, *next;
 
 	mutex_lock(&drm_component_lock);
 
 	list_for_each_entry_safe(cdev, next, &drm_component_list, list) {
-		if (dev == cdev->dev) {
+		if (dev_type == EXYNOS_DEVICE_TYPE_CRTC) {
+			if (cdev->crtc_dev == dev) {
+				cdev->crtc_dev = NULL;
+				cdev->dev_type_flag &= ~dev_type;
+			}
+		}
+
+		if (dev_type == EXYNOS_DEVICE_TYPE_CONNECTOR) {
+			if (cdev->conn_dev == dev) {
+				cdev->conn_dev = NULL;
+				cdev->dev_type_flag &= ~dev_type;
+			}
+		}
+
+		/*
+		 * Release cdev object only in case that both of crtc and
+		 * encoder/connector device objects are NULL.
+		 */
+		if (!cdev->crtc_dev && !cdev->conn_dev) {
 			list_del(&cdev->list);
 			kfree(cdev);
-			break;
 		}
+
+		break;
 	}
 
 	mutex_unlock(&drm_component_lock);
-
-	component_del(dev, ops);
 }
 
 static int compare_of(struct device *dev, void *data)
@@ -433,29 +496,60 @@ static int compare_of(struct device *dev, void *data)
 
 static int exynos_drm_add_components(struct device *dev, struct master *m)
 {
-	unsigned int attached_cnt = 0;
 	struct component_dev *cdev;
+	unsigned int attach_cnt = 0;
 
 	mutex_lock(&drm_component_lock);
 
 	list_for_each_entry(cdev, &drm_component_list, list) {
 		int ret;
 
+		/*
+		 * Add components to master only in case that crtc and
+		 * encoder/connector device objects exist.
+		 */
+		if (!cdev->crtc_dev || !cdev->conn_dev)
+			continue;
+
+		attach_cnt++;
+
 		mutex_unlock(&drm_component_lock);
 
-		ret = component_master_add_child(m, compare_of, cdev->dev);
-		if (!ret)
-			attached_cnt++;
+		/*
+		 * fimd and dpi modules have same device object so add
+		 * only crtc device object in this case.
+		 *
+		 * TODO. if dpi module follows driver-model driver then
+		 * below codes can be removed.
+		 */
+		if (cdev->crtc_dev == cdev->conn_dev) {
+			ret = component_master_add_child(m, compare_of,
+					cdev->crtc_dev);
+			if (ret < 0)
+				return ret;
+
+			goto out_lock;
+		}
 
+		/*
+		 * Do not chage below call order.
+		 * crtc device first should be added to master because
+		 * connector/encoder need pipe number of crtc when they
+		 * are created.
+		 */
+		ret = component_master_add_child(m, compare_of, cdev->crtc_dev);
+		ret |= component_master_add_child(m, compare_of,
+							cdev->conn_dev);
+		if (ret < 0)
+			return ret;
+
+out_lock:
 		mutex_lock(&drm_component_lock);
 	}
 
 	mutex_unlock(&drm_component_lock);
 
-	if (!attached_cnt)
-		return -ENXIO;
-
-	return 0;
+	return attach_cnt ? 0 : -ENODEV;
 }
 
 static int exynos_drm_bind(struct device *dev)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index e82e620c2e52..36535f398848 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -42,6 +42,13 @@ struct drm_connector;
 
 extern unsigned int drm_vblank_offdelay;
 
+/* This enumerates device type. */
+enum exynos_drm_device_type {
+	EXYNOS_DEVICE_TYPE_NONE,
+	EXYNOS_DEVICE_TYPE_CRTC,
+	EXYNOS_DEVICE_TYPE_CONNECTOR,
+};
+
 /* this enumerates display type. */
 enum exynos_drm_output_type {
 	EXYNOS_DISPLAY_TYPE_NONE,
@@ -354,12 +361,12 @@ void exynos_drm_remove_vidi(void);
 int exynos_drm_create_enc_conn(struct drm_device *dev,
 				struct exynos_drm_display *display);
 
-struct component_ops;
 int exynos_drm_component_add(struct device *dev,
-				const struct component_ops *ops);
+				enum exynos_drm_device_type dev_type,
+				enum exynos_drm_output_type out_type);
 
 void exynos_drm_component_del(struct device *dev,
-				const struct component_ops *ops);
+				enum exynos_drm_device_type dev_type);
 
 extern struct platform_driver fimd_driver;
 extern struct platform_driver dp_driver;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index 84661feda60f..6302aa64f6c1 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -1423,10 +1423,16 @@ static int exynos_dsi_probe(struct platform_device *pdev)
 	struct exynos_dsi *dsi;
 	int ret;
 
+	ret = exynos_drm_component_add(&pdev->dev, EXYNOS_DEVICE_TYPE_CONNECTOR,
+					exynos_dsi_display.type);
+	if (ret)
+		return ret;
+
 	dsi = devm_kzalloc(&pdev->dev, sizeof(*dsi), GFP_KERNEL);
 	if (!dsi) {
 		dev_err(&pdev->dev, "failed to allocate dsi object.\n");
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto err_del_component;
 	}
 
 	init_completion(&dsi->completed);
@@ -1440,7 +1446,7 @@ static int exynos_dsi_probe(struct platform_device *pdev)
 
 	ret = exynos_dsi_parse_dt(dsi);
 	if (ret)
-		return ret;
+		goto err_del_component;
 
 	dsi->supplies[0].supply = "vddcore";
 	dsi->supplies[1].supply = "vddio";
@@ -1454,32 +1460,37 @@ static int exynos_dsi_probe(struct platform_device *pdev)
 	dsi->pll_clk = devm_clk_get(&pdev->dev, "pll_clk");
 	if (IS_ERR(dsi->pll_clk)) {
 		dev_info(&pdev->dev, "failed to get dsi pll input clock\n");
-		return -EPROBE_DEFER;
+		ret = PTR_ERR(dsi->pll_clk);
+		goto err_del_component;
 	}
 
 	dsi->bus_clk = devm_clk_get(&pdev->dev, "bus_clk");
 	if (IS_ERR(dsi->bus_clk)) {
 		dev_info(&pdev->dev, "failed to get dsi bus clock\n");
-		return -EPROBE_DEFER;
+		ret = PTR_ERR(dsi->bus_clk);
+		goto err_del_component;
 	}
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	dsi->reg_base = devm_ioremap_resource(&pdev->dev, res);
 	if (IS_ERR(dsi->reg_base)) {
 		dev_err(&pdev->dev, "failed to remap io region\n");
-		return PTR_ERR(dsi->reg_base);
+		ret = PTR_ERR(dsi->reg_base);
+		goto err_del_component;
 	}
 
 	dsi->phy = devm_phy_get(&pdev->dev, "dsim");
 	if (IS_ERR(dsi->phy)) {
 		dev_info(&pdev->dev, "failed to get dsim phy\n");
-		return -EPROBE_DEFER;
+		ret = PTR_ERR(dsi->phy);
+		goto err_del_component;
 	}
 
 	dsi->irq = platform_get_irq(pdev, 0);
 	if (dsi->irq < 0) {
 		dev_err(&pdev->dev, "failed to request dsi irq resource\n");
-		return dsi->irq;
+		ret = dsi->irq;
+		goto err_del_component;
 	}
 
 	irq_set_status_flags(dsi->irq, IRQ_NOAUTOEN);
@@ -1488,19 +1499,29 @@ static int exynos_dsi_probe(struct platform_device *pdev)
 					dev_name(&pdev->dev), dsi);
 	if (ret) {
 		dev_err(&pdev->dev, "failed to request dsi irq\n");
-		return ret;
+		goto err_del_component;
 	}
 
 	exynos_dsi_display.ctx = dsi;
 
 	platform_set_drvdata(pdev, &exynos_dsi_display);
 
-	return exynos_drm_component_add(&pdev->dev, &exynos_dsi_component_ops);
+	ret = component_add(&pdev->dev, &exynos_dsi_component_ops);
+	if (ret)
+		goto err_del_component;
+
+	return ret;
+
+err_del_component:
+	exynos_drm_component_del(&pdev->dev, EXYNOS_DEVICE_TYPE_CONNECTOR);
+	return ret;
 }
 
 static int exynos_dsi_remove(struct platform_device *pdev)
 {
-	exynos_drm_component_del(&pdev->dev, &exynos_dsi_component_ops);
+	component_del(&pdev->dev, &exynos_dsi_component_ops);
+	exynos_drm_component_del(&pdev->dev, EXYNOS_DEVICE_TYPE_CONNECTOR);
+
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 2ec634f7930a..bb45ab2e7384 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -924,12 +924,21 @@ static int fimd_probe(struct platform_device *pdev)
 	struct resource *res;
 	int ret = -EINVAL;
 
-	if (!dev->of_node)
-		return -ENODEV;
+	ret = exynos_drm_component_add(&pdev->dev, EXYNOS_DEVICE_TYPE_CRTC,
+					fimd_manager.type);
+	if (ret)
+		return ret;
+
+	if (!dev->of_node) {
+		ret = -ENODEV;
+		goto err_del_component;
+	}
 
 	ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
-	if (!ctx)
-		return -ENOMEM;
+	if (!ctx) {
+		ret = -ENOMEM;
+		goto err_del_component;
+	}
 
 	ctx->dev = dev;
 	ctx->suspended = true;
@@ -942,32 +951,37 @@ static int fimd_probe(struct platform_device *pdev)
 	ctx->bus_clk = devm_clk_get(dev, "fimd");
 	if (IS_ERR(ctx->bus_clk)) {
 		dev_err(dev, "failed to get bus clock\n");
-		return PTR_ERR(ctx->bus_clk);
+		ret = PTR_ERR(ctx->bus_clk);
+		goto err_del_component;
 	}
 
 	ctx->lcd_clk = devm_clk_get(dev, "sclk_fimd");
 	if (IS_ERR(ctx->lcd_clk)) {
 		dev_err(dev, "failed to get lcd clock\n");
-		return PTR_ERR(ctx->lcd_clk);
+		ret = PTR_ERR(ctx->lcd_clk);
+		goto err_del_component;
 	}
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 
 	ctx->regs = devm_ioremap_resource(dev, res);
-	if (IS_ERR(ctx->regs))
-		return PTR_ERR(ctx->regs);
+	if (IS_ERR(ctx->regs)) {
+		ret = PTR_ERR(ctx->regs);
+		goto err_del_component;
+	}
 
 	res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "vsync");
 	if (!res) {
 		dev_err(dev, "irq request failed.\n");
-		return -ENXIO;
+		ret = -ENXIO;
+		goto err_del_component;
 	}
 
 	ret = devm_request_irq(dev, res->start, fimd_irq_handler,
 							0, "drm_fimd", ctx);
 	if (ret) {
 		dev_err(dev, "irq request failed.\n");
-		return ret;
+		goto err_del_component;
 	}
 
 	ctx->driver_data = drm_fimd_get_driver_data(pdev);
@@ -984,14 +998,27 @@ static int fimd_probe(struct platform_device *pdev)
 
 	pm_runtime_enable(&pdev->dev);
 
-	return exynos_drm_component_add(&pdev->dev, &fimd_component_ops);
+	ret = component_add(&pdev->dev, &fimd_component_ops);
+	if (ret)
+		goto err_disable_pm_runtime;
+
+	return ret;
+
+err_disable_pm_runtime:
+	pm_runtime_disable(&pdev->dev);
+
+err_del_component:
+	exynos_drm_component_del(&pdev->dev, EXYNOS_DEVICE_TYPE_CRTC);
+	return ret;
 }
 
 static int fimd_remove(struct platform_device *pdev)
 {
 	pm_runtime_disable(&pdev->dev);
 
-	exynos_drm_component_del(&pdev->dev, &fimd_component_ops);
+	component_del(&pdev->dev, &fimd_component_ops);
+	exynos_drm_component_del(&pdev->dev, EXYNOS_DEVICE_TYPE_CRTC);
+
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index d0f4f5d5a9f9..c104d0c9b385 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -2162,26 +2162,31 @@ static int hdmi_resources_init(struct hdmi_context *hdata)
 	res->hdmi = devm_clk_get(dev, "hdmi");
 	if (IS_ERR(res->hdmi)) {
 		DRM_ERROR("failed to get clock 'hdmi'\n");
+		ret = PTR_ERR(res->hdmi);
 		goto fail;
 	}
 	res->sclk_hdmi = devm_clk_get(dev, "sclk_hdmi");
 	if (IS_ERR(res->sclk_hdmi)) {
 		DRM_ERROR("failed to get clock 'sclk_hdmi'\n");
+		ret = PTR_ERR(res->sclk_hdmi);
 		goto fail;
 	}
 	res->sclk_pixel = devm_clk_get(dev, "sclk_pixel");
 	if (IS_ERR(res->sclk_pixel)) {
 		DRM_ERROR("failed to get clock 'sclk_pixel'\n");
+		ret = PTR_ERR(res->sclk_pixel);
 		goto fail;
 	}
 	res->sclk_hdmiphy = devm_clk_get(dev, "sclk_hdmiphy");
 	if (IS_ERR(res->sclk_hdmiphy)) {
 		DRM_ERROR("failed to get clock 'sclk_hdmiphy'\n");
+		ret = PTR_ERR(res->sclk_hdmiphy);
 		goto fail;
 	}
 	res->mout_hdmi = devm_clk_get(dev, "mout_hdmi");
 	if (IS_ERR(res->mout_hdmi)) {
 		DRM_ERROR("failed to get clock 'mout_hdmi'\n");
+		ret = PTR_ERR(res->mout_hdmi);
 		goto fail;
 	}
 
@@ -2189,8 +2194,10 @@ static int hdmi_resources_init(struct hdmi_context *hdata)
 
 	res->regul_bulk = devm_kzalloc(dev, ARRAY_SIZE(supply) *
 		sizeof(res->regul_bulk[0]), GFP_KERNEL);
-	if (!res->regul_bulk)
+	if (!res->regul_bulk) {
+		ret = -ENOMEM;
 		goto fail;
+	}
 	for (i = 0; i < ARRAY_SIZE(supply); ++i) {
 		res->regul_bulk[i].supply = supply[i];
 		res->regul_bulk[i].consumer = NULL;
@@ -2198,14 +2205,14 @@ static int hdmi_resources_init(struct hdmi_context *hdata)
 	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(supply), res->regul_bulk);
 	if (ret) {
 		DRM_ERROR("failed to get regulators\n");
-		goto fail;
+		return ret;
 	}
 	res->regul_count = ARRAY_SIZE(supply);
 
-	return 0;
+	return ret;
 fail:
 	DRM_ERROR("HDMI resource init - failed\n");
-	return -ENODEV;
+	return ret;
 }
 
 static struct s5p_hdmi_platform_data *drm_hdmi_dt_parse_pdata
@@ -2303,24 +2310,37 @@ static int hdmi_probe(struct platform_device *pdev)
 	struct resource *res;
 	int ret;
 
-	if (!dev->of_node)
-		return -ENODEV;
+	ret = exynos_drm_component_add(&pdev->dev, EXYNOS_DEVICE_TYPE_CONNECTOR,
+					hdmi_display.type);
+	if (ret)
+		return ret;
+
+	if (!dev->of_node) {
+		ret = -ENODEV;
+		goto err_del_component;
+	}
 
 	pdata = drm_hdmi_dt_parse_pdata(dev);
-	if (!pdata)
-		return -EINVAL;
+	if (!pdata) {
+		ret = -EINVAL;
+		goto err_del_component;
+	}
 
 	hdata = devm_kzalloc(dev, sizeof(struct hdmi_context), GFP_KERNEL);
-	if (!hdata)
-		return -ENOMEM;
+	if (!hdata) {
+		ret = -ENOMEM;
+		goto err_del_component;
+	}
 
 	mutex_init(&hdata->hdmi_mutex);
 
 	platform_set_drvdata(pdev, &hdmi_display);
 
 	match = of_match_node(hdmi_match_types, dev->of_node);
-	if (!match)
-		return -ENODEV;
+	if (!match) {
+		ret = -ENODEV;
+		goto err_del_component;
+	}
 
 	drv_data = (struct hdmi_driver_data *)match->data;
 	hdata->type = drv_data->type;
@@ -2333,18 +2353,20 @@ static int hdmi_probe(struct platform_device *pdev)
 	ret = hdmi_resources_init(hdata);
 	if (ret) {
 		DRM_ERROR("hdmi_resources_init failed\n");
-		return -EINVAL;
+		return ret;
 	}
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	hdata->regs = devm_ioremap_resource(dev, res);
-	if (IS_ERR(hdata->regs))
-		return PTR_ERR(hdata->regs);
+	if (IS_ERR(hdata->regs)) {
+		ret = PTR_ERR(hdata->regs);
+		goto err_del_component;
+	}
 
 	ret = devm_gpio_request(dev, hdata->hpd_gpio, "HPD");
 	if (ret) {
 		DRM_ERROR("failed to request HPD gpio\n");
-		return ret;
+		goto err_del_component;
 	}
 
 	ddc_node = hdmi_legacy_ddc_dt_binding(dev);
@@ -2355,14 +2377,15 @@ static int hdmi_probe(struct platform_device *pdev)
 	ddc_node = of_parse_phandle(dev->of_node, "ddc", 0);
 	if (!ddc_node) {
 		DRM_ERROR("Failed to find ddc node in device tree\n");
-		return -ENODEV;
+		ret = -ENODEV;
+		goto err_del_component;
 	}
 
 out_get_ddc_adpt:
 	hdata->ddc_adpt = of_find_i2c_adapter_by_node(ddc_node);
 	if (!hdata->ddc_adpt) {
 		DRM_ERROR("Failed to get ddc i2c adapter by node\n");
-		return -ENODEV;
+		return -EPROBE_DEFER;
 	}
 
 	phy_node = hdmi_legacy_phy_dt_binding(dev);
@@ -2389,7 +2412,7 @@ out_get_phy_port:
 		hdata->hdmiphy_port = of_find_i2c_device_by_node(phy_node);
 		if (!hdata->hdmiphy_port) {
 			DRM_ERROR("Failed to get hdmi phy i2c client\n");
-			ret = -ENODEV;
+			ret = -EPROBE_DEFER;
 			goto err_ddc;
 		}
 	}
@@ -2418,19 +2441,31 @@ out_get_phy_port:
 			"samsung,syscon-phandle");
 	if (IS_ERR(hdata->pmureg)) {
 		DRM_ERROR("syscon regmap lookup failed.\n");
+		ret = -EPROBE_DEFER;
 		goto err_hdmiphy;
 	}
 
 	pm_runtime_enable(dev);
 	hdmi_display.ctx = hdata;
 
-	return exynos_drm_component_add(&pdev->dev, &hdmi_component_ops);
+	ret = component_add(&pdev->dev, &hdmi_component_ops);
+	if (ret)
+		goto err_disable_pm_runtime;
+
+	return ret;
+
+err_disable_pm_runtime:
+	pm_runtime_disable(dev);
 
 err_hdmiphy:
 	if (hdata->hdmiphy_port)
 		put_device(&hdata->hdmiphy_port->dev);
 err_ddc:
 	put_device(&hdata->ddc_adpt->dev);
+
+err_del_component:
+	exynos_drm_component_del(&pdev->dev, EXYNOS_DEVICE_TYPE_CONNECTOR);
+
 	return ret;
 }
 
@@ -2444,8 +2479,9 @@ static int hdmi_remove(struct platform_device *pdev)
 	put_device(&hdata->ddc_adpt->dev);
 
 	pm_runtime_disable(&pdev->dev);
+	component_del(&pdev->dev, &hdmi_component_ops);
 
-	exynos_drm_component_del(&pdev->dev, &hdmi_component_ops);
+	exynos_drm_component_del(&pdev->dev, EXYNOS_DEVICE_TYPE_CONNECTOR);
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index 483d7c08384a..4c5aed7e54c8 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -1273,12 +1273,25 @@ static const struct component_ops mixer_component_ops = {
 
 static int mixer_probe(struct platform_device *pdev)
 {
-	return exynos_drm_component_add(&pdev->dev, &mixer_component_ops);
+	int ret;
+
+	ret = exynos_drm_component_add(&pdev->dev, EXYNOS_DEVICE_TYPE_CRTC,
+					mixer_manager.type);
+	if (ret)
+		return ret;
+
+	ret = component_add(&pdev->dev, &mixer_component_ops);
+	if (ret)
+		exynos_drm_component_del(&pdev->dev, EXYNOS_DEVICE_TYPE_CRTC);
+
+	return ret;
 }
 
 static int mixer_remove(struct platform_device *pdev)
 {
-	exynos_drm_component_del(&pdev->dev, &mixer_component_ops);
+	component_del(&pdev->dev, &mixer_component_ops);
+	exynos_drm_component_del(&pdev->dev, EXYNOS_DEVICE_TYPE_CRTC);
+
 	return 0;
 }