Merge tag 'du-next-20210105' of git://linuxtv.org/pinchartl/media into drm-next

- Add default modes for connectors in unknown state
- R-Car DU conversion to DRM-managed API
- R-Car DU miscellaneous fixes
- Miscellaneous bridge and bridge bindings fixes
- Assorted misc driver cleanups
- Constify drm_driver for PCI devices

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/X/P8IOrVXkTpLeCm@pendragon.ideasonboard.com

10 files changed, 131 insertions, 112 deletions

diff --git a/drivers/gpu/drm/rcar-du/rcar_cmm.c b/drivers/gpu/drm/rcar-du/rcar_cmm.c
index c578095b09a5..382d53f8a22e 100644
--- a/drivers/gpu/drm/rcar-du/rcar_cmm.c
+++ b/drivers/gpu/drm/rcar-du/rcar_cmm.c
@@ -122,7 +122,7 @@ int rcar_cmm_enable(struct platform_device *pdev)
 {
 	int ret;
 
-	ret = pm_runtime_get_sync(&pdev->dev);
+	ret = pm_runtime_resume_and_get(&pdev->dev);
 	if (ret < 0)
 		return ret;
 
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
index f93e0750431d..ea7e39d03545 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
@@ -730,13 +730,10 @@ static void rcar_du_crtc_atomic_enable(struct drm_crtc *crtc,
 	 */
 	if (rcdu->info->lvds_clk_mask & BIT(rcrtc->index) &&
 	    rstate->outputs == BIT(RCAR_DU_OUTPUT_DPAD0)) {
-		struct rcar_du_encoder *encoder =
-			rcdu->encoders[RCAR_DU_OUTPUT_LVDS0 + rcrtc->index];
+		struct drm_bridge *bridge = rcdu->lvds[rcrtc->index];
 		const struct drm_display_mode *mode =
 			&crtc->state->adjusted_mode;
-		struct drm_bridge *bridge;
 
-		bridge = drm_bridge_chain_get_first_bridge(&encoder->base);
 		rcar_lvds_clk_enable(bridge, mode->clock * 1000);
 	}
 
@@ -764,15 +761,12 @@ static void rcar_du_crtc_atomic_disable(struct drm_crtc *crtc,
 
 	if (rcdu->info->lvds_clk_mask & BIT(rcrtc->index) &&
 	    rstate->outputs == BIT(RCAR_DU_OUTPUT_DPAD0)) {
-		struct rcar_du_encoder *encoder =
-			rcdu->encoders[RCAR_DU_OUTPUT_LVDS0 + rcrtc->index];
-		struct drm_bridge *bridge;
+		struct drm_bridge *bridge = rcdu->lvds[rcrtc->index];
 
 		/*
 		 * Disable the LVDS clock output, see
 		 * rcar_du_crtc_atomic_enable().
 		 */
-		bridge = drm_bridge_chain_get_first_bridge(&encoder->base);
 		rcar_lvds_clk_disable(bridge);
 	}
 
@@ -1256,7 +1250,7 @@ int rcar_du_crtc_create(struct rcar_du_group *rgrp, unsigned int swindex,
 	else
 		primary = &rgrp->planes[swindex % 2].plane;
 
-	ret = drm_crtc_init_with_planes(rcdu->ddev, crtc, primary, NULL,
+	ret = drm_crtc_init_with_planes(&rcdu->ddev, crtc, primary, NULL,
 					rcdu->info->gen <= 2 ?
 					&crtc_funcs_gen2 : &crtc_funcs_gen3,
 					NULL);
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
index 600056dff374..bfbff90588cb 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
@@ -18,10 +18,11 @@
 #include <linux/wait.h>
 
 #include <drm/drm_atomic_helper.h>
+#include <drm/drm_drv.h>
 #include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_fb_helper.h>
-#include <drm/drm_drv.h>
 #include <drm/drm_gem_cma_helper.h>
+#include <drm/drm_managed.h>
 #include <drm/drm_probe_helper.h>
 
 #include "rcar_du_drv.h"
@@ -527,14 +528,14 @@ static int rcar_du_pm_suspend(struct device *dev)
 {
 	struct rcar_du_device *rcdu = dev_get_drvdata(dev);
 
-	return drm_mode_config_helper_suspend(rcdu->ddev);
+	return drm_mode_config_helper_suspend(&rcdu->ddev);
 }
 
 static int rcar_du_pm_resume(struct device *dev)
 {
 	struct rcar_du_device *rcdu = dev_get_drvdata(dev);
 
-	return drm_mode_config_helper_resume(rcdu->ddev);
+	return drm_mode_config_helper_resume(&rcdu->ddev);
 }
 #endif
 
@@ -549,7 +550,7 @@ static const struct dev_pm_ops rcar_du_pm_ops = {
 static int rcar_du_remove(struct platform_device *pdev)
 {
 	struct rcar_du_device *rcdu = platform_get_drvdata(pdev);
-	struct drm_device *ddev = rcdu->ddev;
+	struct drm_device *ddev = &rcdu->ddev;
 
 	drm_dev_unregister(ddev);
 
@@ -563,14 +564,14 @@ static int rcar_du_remove(struct platform_device *pdev)
 static int rcar_du_probe(struct platform_device *pdev)
 {
 	struct rcar_du_device *rcdu;
-	struct drm_device *ddev;
 	struct resource *mem;
 	int ret;
 
 	/* Allocate and initialize the R-Car device structure. */
-	rcdu = devm_kzalloc(&pdev->dev, sizeof(*rcdu), GFP_KERNEL);
-	if (rcdu == NULL)
-		return -ENOMEM;
+	rcdu = devm_drm_dev_alloc(&pdev->dev, &rcar_du_driver,
+				  struct rcar_du_device, ddev);
+	if (IS_ERR(rcdu))
+		return PTR_ERR(rcdu);
 
 	rcdu->dev = &pdev->dev;
 	rcdu->info = of_device_get_match_data(rcdu->dev);
@@ -584,13 +585,6 @@ static int rcar_du_probe(struct platform_device *pdev)
 		return PTR_ERR(rcdu->mmio);
 
 	/* DRM/KMS objects */
-	ddev = drm_dev_alloc(&rcar_du_driver, &pdev->dev);
-	if (IS_ERR(ddev))
-		return PTR_ERR(ddev);
-
-	rcdu->ddev = ddev;
-	ddev->dev_private = rcdu;
-
 	ret = rcar_du_modeset_init(rcdu);
 	if (ret < 0) {
 		if (ret != -EPROBE_DEFER)
@@ -599,25 +593,24 @@ static int rcar_du_probe(struct platform_device *pdev)
 		goto error;
 	}
 
-	ddev->irq_enabled = 1;
+	rcdu->ddev.irq_enabled = 1;
 
 	/*
 	 * Register the DRM device with the core and the connectors with
 	 * sysfs.
 	 */
-	ret = drm_dev_register(ddev, 0);
+	ret = drm_dev_register(&rcdu->ddev, 0);
 	if (ret)
 		goto error;
 
 	DRM_INFO("Device %s probed\n", dev_name(&pdev->dev));
 
-	drm_fbdev_generic_setup(ddev, 32);
+	drm_fbdev_generic_setup(&rcdu->ddev, 32);
 
 	return 0;
 
 error:
-	rcar_du_remove(pdev);
-
+	drm_kms_helper_poll_fini(&rcdu->ddev);
 	return ret;
 }
 
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.h b/drivers/gpu/drm/rcar-du/rcar_du_drv.h
index 61504c54e2ec..02ca2d0e1b55 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_drv.h
+++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.h
@@ -13,6 +13,8 @@
 #include <linux/kernel.h>
 #include <linux/wait.h>
 
+#include <drm/drm_device.h>
+
 #include "rcar_cmm.h"
 #include "rcar_du_crtc.h"
 #include "rcar_du_group.h"
@@ -20,10 +22,9 @@
 
 struct clk;
 struct device;
-struct drm_device;
+struct drm_bridge;
 struct drm_property;
 struct rcar_du_device;
-struct rcar_du_encoder;
 
 #define RCAR_DU_FEATURE_CRTC_IRQ_CLOCK	BIT(0)	/* Per-CRTC IRQ and clock */
 #define RCAR_DU_FEATURE_VSP1_SOURCE	BIT(1)	/* Has inputs from VSP1 */
@@ -71,6 +72,7 @@ struct rcar_du_device_info {
 #define RCAR_DU_MAX_CRTCS		4
 #define RCAR_DU_MAX_GROUPS		DIV_ROUND_UP(RCAR_DU_MAX_CRTCS, 2)
 #define RCAR_DU_MAX_VSPS		4
+#define RCAR_DU_MAX_LVDS		2
 
 struct rcar_du_device {
 	struct device *dev;
@@ -78,16 +80,15 @@ struct rcar_du_device {
 
 	void __iomem *mmio;
 
-	struct drm_device *ddev;
+	struct drm_device ddev;
 
 	struct rcar_du_crtc crtcs[RCAR_DU_MAX_CRTCS];
 	unsigned int num_crtcs;
 
-	struct rcar_du_encoder *encoders[RCAR_DU_OUTPUT_MAX];
-
 	struct rcar_du_group groups[RCAR_DU_MAX_GROUPS];
 	struct platform_device *cmms[RCAR_DU_MAX_CRTCS];
 	struct rcar_du_vsp vsps[RCAR_DU_MAX_VSPS];
+	struct drm_bridge *lvds[RCAR_DU_MAX_LVDS];
 
 	struct {
 		struct drm_property *colorkey;
@@ -98,6 +99,11 @@ struct rcar_du_device {
 	unsigned int vspd1_sink;
 };
 
+static inline struct rcar_du_device *to_rcar_du_device(struct drm_device *dev)
+{
+	return container_of(dev, struct rcar_du_device, ddev);
+}
+
 static inline bool rcar_du_has(struct rcar_du_device *rcdu,
 			       unsigned int feature)
 {
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c
index b0335da0c161..ba8c6038cd63 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c
@@ -8,12 +8,13 @@
  */
 
 #include <linux/export.h>
+#include <linux/slab.h>
 
 #include <drm/drm_bridge.h>
 #include <drm/drm_crtc.h>
+#include <drm/drm_managed.h>
 #include <drm/drm_modeset_helper_vtables.h>
 #include <drm/drm_panel.h>
-#include <drm/drm_simple_kms_helper.h>
 
 #include "rcar_du_drv.h"
 #include "rcar_du_encoder.h"
@@ -44,26 +45,25 @@ static unsigned int rcar_du_encoder_count_ports(struct device_node *node)
 	return num_ports;
 }
 
+static const struct drm_encoder_funcs rcar_du_encoder_funcs = {
+};
+
+static void rcar_du_encoder_release(struct drm_device *dev, void *res)
+{
+	struct rcar_du_encoder *renc = res;
+
+	drm_encoder_cleanup(&renc->base);
+	kfree(renc);
+}
+
 int rcar_du_encoder_init(struct rcar_du_device *rcdu,
 			 enum rcar_du_output output,
 			 struct device_node *enc_node)
 {
 	struct rcar_du_encoder *renc;
-	struct drm_encoder *encoder;
 	struct drm_bridge *bridge;
 	int ret;
 
-	renc = devm_kzalloc(rcdu->dev, sizeof(*renc), GFP_KERNEL);
-	if (renc == NULL)
-		return -ENOMEM;
-
-	rcdu->encoders[output] = renc;
-	renc->output = output;
-	encoder = rcar_encoder_to_drm_encoder(renc);
-
-	dev_dbg(rcdu->dev, "initializing encoder %pOF for output %u\n",
-		enc_node, output);
-
 	/*
 	 * Locate the DRM bridge from the DT node. For the DPAD outputs, if the
 	 * DT node has a single port, assume that it describes a panel and
@@ -74,57 +74,57 @@ int rcar_du_encoder_init(struct rcar_du_device *rcdu,
 	    rcar_du_encoder_count_ports(enc_node) == 1) {
 		struct drm_panel *panel = of_drm_find_panel(enc_node);
 
-		if (IS_ERR(panel)) {
-			ret = PTR_ERR(panel);
-			goto done;
-		}
+		if (IS_ERR(panel))
+			return PTR_ERR(panel);
 
 		bridge = devm_drm_panel_bridge_add_typed(rcdu->dev, panel,
 							 DRM_MODE_CONNECTOR_DPI);
-		if (IS_ERR(bridge)) {
-			ret = PTR_ERR(bridge);
-			goto done;
-		}
+		if (IS_ERR(bridge))
+			return PTR_ERR(bridge);
 	} else {
 		bridge = of_drm_find_bridge(enc_node);
-		if (!bridge) {
-			ret = -EPROBE_DEFER;
-			goto done;
-		}
+		if (!bridge)
+			return -EPROBE_DEFER;
+
+		if (output == RCAR_DU_OUTPUT_LVDS0 ||
+		    output == RCAR_DU_OUTPUT_LVDS1)
+			rcdu->lvds[output - RCAR_DU_OUTPUT_LVDS0] = bridge;
 	}
 
 	/*
-	 * On Gen3 skip the LVDS1 output if the LVDS1 encoder is used as a
-	 * companion for LVDS0 in dual-link mode.
+	 * Create and initialize the encoder. On Gen3 skip the LVDS1 output if
+	 * the LVDS1 encoder is used as a companion for LVDS0 in dual-link
+	 * mode.
 	 */
 	if (rcdu->info->gen >= 3 && output == RCAR_DU_OUTPUT_LVDS1) {
-		if (rcar_lvds_dual_link(bridge)) {
-			ret = -ENOLINK;
-			goto done;
-		}
+		if (rcar_lvds_dual_link(bridge))
+			return -ENOLINK;
 	}
 
-	ret = drm_simple_encoder_init(rcdu->ddev, encoder,
-				      DRM_MODE_ENCODER_NONE);
-	if (ret < 0)
-		goto done;
+	renc = kzalloc(sizeof(*renc), GFP_KERNEL);
+	if (renc == NULL)
+		return -ENOMEM;
 
-	/*
-	 * Attach the bridge to the encoder. The bridge will create the
-	 * connector.
-	 */
-	ret = drm_bridge_attach(encoder, bridge, NULL, 0);
-	if (ret) {
-		drm_encoder_cleanup(encoder);
-		return ret;
-	}
+	renc->output = output;
+
+	dev_dbg(rcdu->dev, "initializing encoder %pOF for output %u\n",
+		enc_node, output);
 
-done:
+	ret = drm_encoder_init(&rcdu->ddev, &renc->base, &rcar_du_encoder_funcs,
+			       DRM_MODE_ENCODER_NONE, NULL);
 	if (ret < 0) {
-		if (encoder->name)
-			encoder->funcs->destroy(encoder);
-		devm_kfree(rcdu->dev, renc);
+		kfree(renc);
+		return ret;
 	}
 
-	return ret;
+	ret = drmm_add_action_or_reset(&rcdu->ddev, rcar_du_encoder_release,
+				       renc);
+	if (ret)
+		return ret;
+
+	/*
+	 * Attach the bridge to the encoder. The bridge will create the
+	 * connector.
+	 */
+	return drm_bridge_attach(&renc->base, bridge, NULL, 0);
 }
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_encoder.h b/drivers/gpu/drm/rcar-du/rcar_du_encoder.h
index df9be4524301..73560563fb31 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_encoder.h
+++ b/drivers/gpu/drm/rcar-du/rcar_du_encoder.h
@@ -22,8 +22,6 @@ struct rcar_du_encoder {
 #define to_rcar_encoder(e) \
 	container_of(e, struct rcar_du_encoder, base)
 
-#define rcar_encoder_to_drm_encoder(e)	(&(e)->base)
-
 int rcar_du_encoder_init(struct rcar_du_device *rcdu,
 			 enum rcar_du_output output,
 			 struct device_node *enc_node);
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
index 72dda446355f..fdb8a0d127ad 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
@@ -14,6 +14,7 @@
 #include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_gem_cma_helper.h>
 #include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_managed.h>
 #include <drm/drm_probe_helper.h>
 #include <drm/drm_vblank.h>
 
@@ -327,7 +328,7 @@ const struct rcar_du_format_info *rcar_du_format_info(u32 fourcc)
 int rcar_du_dumb_create(struct drm_file *file, struct drm_device *dev,
 			struct drm_mode_create_dumb *args)
 {
-	struct rcar_du_device *rcdu = dev->dev_private;
+	struct rcar_du_device *rcdu = to_rcar_du_device(dev);
 	unsigned int min_pitch = DIV_ROUND_UP(args->width * args->bpp, 8);
 	unsigned int align;
 
@@ -349,7 +350,7 @@ static struct drm_framebuffer *
 rcar_du_fb_create(struct drm_device *dev, struct drm_file *file_priv,
 		  const struct drm_mode_fb_cmd2 *mode_cmd)
 {
-	struct rcar_du_device *rcdu = dev->dev_private;
+	struct rcar_du_device *rcdu = to_rcar_du_device(dev);
 	const struct rcar_du_format_info *format;
 	unsigned int chroma_pitch;
 	unsigned int max_pitch;
@@ -421,7 +422,7 @@ rcar_du_fb_create(struct drm_device *dev, struct drm_file *file_priv,
 static int rcar_du_atomic_check(struct drm_device *dev,
 				struct drm_atomic_state *state)
 {
-	struct rcar_du_device *rcdu = dev->dev_private;
+	struct rcar_du_device *rcdu = to_rcar_du_device(dev);
 	int ret;
 
 	ret = drm_atomic_helper_check(dev, state);
@@ -437,7 +438,7 @@ static int rcar_du_atomic_check(struct drm_device *dev,
 static void rcar_du_atomic_commit_tail(struct drm_atomic_state *old_state)
 {
 	struct drm_device *dev = old_state->dev;
-	struct rcar_du_device *rcdu = dev->dev_private;
+	struct rcar_du_device *rcdu = to_rcar_du_device(dev);
 	struct drm_crtc_state *crtc_state;
 	struct drm_crtc *crtc;
 	unsigned int i;
@@ -583,7 +584,7 @@ static int rcar_du_properties_init(struct rcar_du_device *rcdu)
 	 * or enable source color keying (1).
 	 */
 	rcdu->props.colorkey =
-		drm_property_create_range(rcdu->ddev, 0, "colorkey",
+		drm_property_create_range(&rcdu->ddev, 0, "colorkey",
 					  0, 0x01ffffff);
 	if (rcdu->props.colorkey == NULL)
 		return -ENOMEM;
@@ -700,10 +701,10 @@ static int rcar_du_cmm_init(struct rcar_du_device *rcdu)
 		int ret;
 
 		cmm = of_parse_phandle(np, "renesas,cmms", i);
-		if (IS_ERR(cmm)) {
+		if (!cmm) {
 			dev_err(rcdu->dev,
 				"Failed to parse 'renesas,cmms' property\n");
-			return PTR_ERR(cmm);
+			return -EINVAL;
 		}
 
 		if (!of_device_is_available(cmm)) {
@@ -713,10 +714,10 @@ static int rcar_du_cmm_init(struct rcar_du_device *rcdu)
 		}
 
 		pdev = of_find_device_by_node(cmm);
-		if (IS_ERR(pdev)) {
+		if (!pdev) {
 			dev_err(rcdu->dev, "No device found for CMM%u\n", i);
 			of_node_put(cmm);
-			return PTR_ERR(pdev);
+			return -EINVAL;
 		}
 
 		of_node_put(cmm);
@@ -726,8 +727,12 @@ static int rcar_du_cmm_init(struct rcar_du_device *rcdu)
 		 * disabled: return 0 and let the DU continue probing.
 		 */
 		ret = rcar_cmm_init(pdev);
-		if (ret)
+		if (ret) {
+			platform_device_put(pdev);
 			return ret == -ENODEV ? 0 : ret;
+		}
+
+		rcdu->cmms[i] = pdev;
 
 		/*
 		 * Enforce suspend/resume ordering by making the CMM a provider
@@ -739,20 +744,27 @@ static int rcar_du_cmm_init(struct rcar_du_device *rcdu)
 				"Failed to create device link to CMM%u\n", i);
 			return -EINVAL;
 		}
-
-		rcdu->cmms[i] = pdev;
 	}
 
 	return 0;
 }
 
+static void rcar_du_modeset_cleanup(struct drm_device *dev, void *res)
+{
+	struct rcar_du_device *rcdu = to_rcar_du_device(dev);
+	unsigned int i;
+
+	for (i = 0; i < ARRAY_SIZE(rcdu->cmms); ++i)
+		platform_device_put(rcdu->cmms[i]);
+}
+
 int rcar_du_modeset_init(struct rcar_du_device *rcdu)
 {
 	static const unsigned int mmio_offsets[] = {
 		DU0_REG_OFFSET, DU2_REG_OFFSET
 	};
 
-	struct drm_device *dev = rcdu->ddev;
+	struct drm_device *dev = &rcdu->ddev;
 	struct drm_encoder *encoder;
 	unsigned int dpad0_sources;
 	unsigned int num_encoders;
@@ -766,6 +778,10 @@ int rcar_du_modeset_init(struct rcar_du_device *rcdu)
 	if (ret)
 		return ret;
 
+	ret = drmm_add_action(&rcdu->ddev, rcar_du_modeset_cleanup, NULL);
+	if (ret)
+		return ret;
+
 	dev->mode_config.min_width = 0;
 	dev->mode_config.min_height = 0;
 	dev->mode_config.normalize_zpos = true;
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_plane.c b/drivers/gpu/drm/rcar-du/rcar_du_plane.c
index a0021fc25b27..02e5f11f38eb 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_plane.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_plane.c
@@ -128,7 +128,7 @@ static int rcar_du_plane_hwalloc(struct rcar_du_plane *plane,
 int rcar_du_atomic_check_planes(struct drm_device *dev,
 				struct drm_atomic_state *state)
 {
-	struct rcar_du_device *rcdu = dev->dev_private;
+	struct rcar_du_device *rcdu = to_rcar_du_device(dev);
 	unsigned int group_freed_planes[RCAR_DU_MAX_GROUPS] = { 0, };
 	unsigned int group_free_planes[RCAR_DU_MAX_GROUPS] = { 0, };
 	bool needs_realloc = false;
@@ -773,9 +773,9 @@ int rcar_du_planes_init(struct rcar_du_group *rgrp)
 
 		plane->group = rgrp;
 
-		ret = drm_universal_plane_init(rcdu->ddev, &plane->plane, crtcs,
-					       &rcar_du_plane_funcs, formats,
-					       ARRAY_SIZE(formats),
+		ret = drm_universal_plane_init(&rcdu->ddev, &plane->plane,
+					       crtcs, &rcar_du_plane_funcs,
+					       formats, ARRAY_SIZE(formats),
 					       NULL, type, NULL);
 		if (ret < 0)
 			return ret;
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
index f6a69aa116e6..53221d8473c1 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
@@ -21,6 +21,7 @@
 #include <linux/dma-mapping.h>
 #include <linux/of_platform.h>
 #include <linux/scatterlist.h>
+#include <linux/slab.h>
 #include <linux/videodev2.h>
 
 #include <media/vsp1.h>
@@ -344,6 +345,15 @@ static const struct drm_plane_funcs rcar_du_vsp_plane_funcs = {
 static void rcar_du_vsp_cleanup(struct drm_device *dev, void *res)
 {
 	struct rcar_du_vsp *vsp = res;
+	unsigned int i;
+
+	for (i = 0; i < vsp->num_planes; ++i) {
+		struct rcar_du_vsp_plane *plane = &vsp->planes[i];
+
+		drm_plane_cleanup(&plane->plane);
+	}
+
+	kfree(vsp->planes);
 
 	put_device(vsp->vsp);
 }
@@ -354,6 +364,7 @@ int rcar_du_vsp_init(struct rcar_du_vsp *vsp, struct device_node *np,
 	struct rcar_du_device *rcdu = vsp->dev;
 	struct platform_device *pdev;
 	unsigned int num_crtcs = hweight32(crtcs);
+	unsigned int num_planes;
 	unsigned int i;
 	int ret;
 
@@ -364,7 +375,7 @@ int rcar_du_vsp_init(struct rcar_du_vsp *vsp, struct device_node *np,
 
 	vsp->vsp = &pdev->dev;
 
-	ret = drmm_add_action(rcdu->ddev, rcar_du_vsp_cleanup, vsp);
+	ret = drmm_add_action_or_reset(&rcdu->ddev, rcar_du_vsp_cleanup, vsp);
 	if (ret < 0)
 		return ret;
 
@@ -376,14 +387,13 @@ int rcar_du_vsp_init(struct rcar_du_vsp *vsp, struct device_node *np,
 	  * The VSP2D (Gen3) has 5 RPFs, but the VSP1D (Gen2) is limited to
 	  * 4 RPFs.
 	  */
-	vsp->num_planes = rcdu->info->gen >= 3 ? 5 : 4;
+	num_planes = rcdu->info->gen >= 3 ? 5 : 4;
 
-	vsp->planes = devm_kcalloc(rcdu->dev, vsp->num_planes,
-				   sizeof(*vsp->planes), GFP_KERNEL);
+	vsp->planes = kcalloc(num_planes, sizeof(*vsp->planes), GFP_KERNEL);
 	if (!vsp->planes)
 		return -ENOMEM;
 
-	for (i = 0; i < vsp->num_planes; ++i) {
+	for (i = 0; i < num_planes; ++i) {
 		enum drm_plane_type type = i < num_crtcs
 					 ? DRM_PLANE_TYPE_PRIMARY
 					 : DRM_PLANE_TYPE_OVERLAY;
@@ -392,8 +402,8 @@ int rcar_du_vsp_init(struct rcar_du_vsp *vsp, struct device_node *np,
 		plane->vsp = vsp;
 		plane->index = i;
 
-		ret = drm_universal_plane_init(rcdu->ddev, &plane->plane, crtcs,
-					       &rcar_du_vsp_plane_funcs,
+		ret = drm_universal_plane_init(&rcdu->ddev, &plane->plane,
+					       crtcs, &rcar_du_vsp_plane_funcs,
 					       rcar_du_vsp_formats,
 					       ARRAY_SIZE(rcar_du_vsp_formats),
 					       NULL, type, NULL);
@@ -409,8 +419,10 @@ int rcar_du_vsp_init(struct rcar_du_vsp *vsp, struct device_node *np,
 		} else {
 			drm_plane_create_alpha_property(&plane->plane);
 			drm_plane_create_zpos_property(&plane->plane, 1, 1,
-						       vsp->num_planes - 1);
+						       num_planes - 1);
 		}
+
+		vsp->num_planes++;
 	}
 
 	return 0;
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_writeback.c b/drivers/gpu/drm/rcar-du/rcar_du_writeback.c
index 04efa78d70b6..c79d1259e49b 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_writeback.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_writeback.c
@@ -204,7 +204,7 @@ int rcar_du_writeback_init(struct rcar_du_device *rcdu,
 	drm_connector_helper_add(&wb_conn->base,
 				 &rcar_du_wb_conn_helper_funcs);
 
-	return drm_writeback_connector_init(rcdu->ddev, wb_conn,
+	return drm_writeback_connector_init(&rcdu->ddev, wb_conn,
 					    &rcar_du_wb_conn_funcs,
 					    &rcar_du_wb_enc_helper_funcs,
 					    writeback_formats,