Merge tag 'drm-misc-next-2017-09-20' of git://anongit.freedesktop.org/git/drm-misc into drm-next

UAPI Changes:

Cross-subsystem Changes:

Core Changes:
- DP SDP defines (Ville)
- polish for scdc helpers (Thierry Reding)
- fix lifetimes for connector/plane state across crtc changes (Maarten
  Lankhorst).
- sparse fixes (Ville+Thierry)
- make legacy kms ioctls all interruptible (Maarten)
- push edid override into the edid helpers (out of probe helpers)
  (Jani)
- DP ESI defines for link status (DK)

Driver Changes:
- drm-panel is now in drm-misc!
- minor panel-simple cleanups/refactoring by various folks
- drm_bridge_add cleanup (Inki Dae)
- constify a few i2c_device_id structs (Arvind Yadav)
- More patches from Noralf's fb/gem helper cleanup
- bridge/synopsis: reset fix (Philippe Cornu)
- fix tracepoint include handling in drivers (Thierry)
- rockchip: lvds support (Sandy Huang)
- move sun4i into drm-misc fold (Maxime Ripard)
- sun4i: refactor driver load + support TCON backend/layer muxing
  (Chen-Yu Tsai)
- pl111: support more pl11x variants (Linus Walleij)
- bridge/adv7511: robustify probing/edid handling (Lars-Petersen
  Clausen)

New hw support:
- S6E63J0X03 panel (Hoegeun Kwon)
- OTM8009A panel (Philippe CORNU)
- Seiko 43WVF1G panel (Marco Franchi)
- tve200 driver (Linus Walleij)

Plus assorted of tiny patches all over, including our first outreachy
patches from applicants for the winter round!

* tag 'drm-misc-next-2017-09-20' of git://anongit.freedesktop.org/git/drm-misc: (101 commits)
  drm: add backwards compatibility support for drm_kms_helper.edid_firmware
  drm: handle override and firmware EDID at drm_do_get_edid() level
  drm/dp: DPCD register defines for link status within ESI field
  drm/rockchip: Replace dev_* with DRM_DEV_*
  drm/tinydrm: Drop driver registered message
  drm/gem-fb-helper: Use debug message on gem lookup failure
  drm/imx: Use drm_gem_fb_create() and drm_gem_fb_prepare_fb()
  drm/bridge: adv7511: Constify HDMI CODEC platform data
  drm/bridge: adv7511: Enable connector polling when no interrupt is specified
  drm/bridge: adv7511: Remove private copy of the EDID
  drm/bridge: adv7511: Properly update EDID when no EDID was found
  drm/crtc: Convert setcrtc ioctl locking to interruptible.
  drm/atomic: Convert pageflip ioctl locking to interruptible.
  drm/legacy: Convert setplane ioctl locking to interruptible.
  drm/legacy: Convert cursor ioctl locking to interruptible.
  drm/atomic: Convert atomic ioctl locking to interruptible.
  drm/atomic: Prepare drm_modeset_lock infrastructure for interruptible waiting, v2.
  drm/tve200: Clean up panel bridging
  drm/doc: Update todo.rst
  drm/dp/mst: Sideband message transaction to power up/down nodes
  ...

drivers/gpu/drm/drm_gem_framebuffer_helper.c

@@ -154,7 +154,7 @@ drm_gem_fb_create_with_funcs(struct drm_device *dev, struct drm_file *file,
 
 		objs[i] = drm_gem_object_lookup(file, mode_cmd->handles[i]);
 		if (!objs[i]) {
-			DRM_DEV_ERROR(dev->dev, "Failed to lookup GEM\n");
+			DRM_DEBUG_KMS("Failed to lookup GEM object\n");
 			ret = -ENOENT;
 			goto err_gem_object_put;
 		}
@@ -232,7 +232,7 @@ int drm_gem_fb_prepare_fb(struct drm_plane *plane,
 	struct dma_buf *dma_buf;
 	struct dma_fence *fence;
 
-	if ((plane->state->fb == state->fb) || !state->fb)
+	if (plane->state->fb == state->fb || !state->fb)
 		return 0;
 
 	dma_buf = drm_gem_fb_get_obj(state->fb, 0)->dma_buf;

drivers/gpu/drm/drm_kms_helper_common.c

@@ -26,6 +26,7 @@
  */
 
 #include <linux/module.h>
+#include <drm/drmP.h>
 
 #include "drm_crtc_helper_internal.h"
 
@@ -33,6 +34,33 @@ MODULE_AUTHOR("David Airlie, Jesse Barnes");
 MODULE_DESCRIPTION("DRM KMS helper");
 MODULE_LICENSE("GPL and additional rights");
 
+#if IS_ENABLED(CONFIG_DRM_LOAD_EDID_FIRMWARE)
+
+/* Backward compatibility for drm_kms_helper.edid_firmware */
+static int edid_firmware_set(const char *val, const struct kernel_param *kp)
+{
+	DRM_NOTE("drm_kms_firmware.edid_firmware is deprecated, please use drm.edid_firmware intead.\n");
+
+	return __drm_set_edid_firmware_path(val);
+}
+
+static int edid_firmware_get(char *buffer, const struct kernel_param *kp)
+{
+	return __drm_get_edid_firmware_path(buffer, PAGE_SIZE);
+}
+
+static const struct kernel_param_ops edid_firmware_ops = {
+	.set = edid_firmware_set,
+	.get = edid_firmware_get,
+};
+
+module_param_cb(edid_firmware, &edid_firmware_ops, NULL, 0644);
+__MODULE_PARM_TYPE(edid_firmware, "charp");
+MODULE_PARM_DESC(edid_firmware,
+		 "DEPRECATED. Use drm.edid_firmware module parameter instead.");
+
+#endif
+
 static int __init drm_kms_helper_init(void)
 {
 	int ret;

drivers/gpu/drm/drm_mode_object.c

@@ -247,8 +247,9 @@ int drm_object_property_set_value(struct drm_mode_object *obj,
 }
 EXPORT_SYMBOL(drm_object_property_set_value);
 
-int __drm_object_property_get_value(struct drm_mode_object *obj,
-				  struct drm_property *property, uint64_t *val)
+static int __drm_object_property_get_value(struct drm_mode_object *obj,
+					   struct drm_property *property,
+					   uint64_t *val)
 {
 	int i;
 

drivers/gpu/drm/drm_modeset_lock.c

@@ -39,23 +39,28 @@
  *
  * The basic usage pattern is to::
  *
- *     drm_modeset_acquire_init(&ctx)
+ *     drm_modeset_acquire_init(ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE)
  *     retry:
  *     foreach (lock in random_ordered_set_of_locks) {
- *         ret = drm_modeset_lock(lock, &ctx)
+ *         ret = drm_modeset_lock(lock, ctx)
  *         if (ret == -EDEADLK) {
- *             drm_modeset_backoff(&ctx);
- *             goto retry;
+ *             ret = drm_modeset_backoff(ctx);
+ *             if (!ret)
+ *                 goto retry;
  *         }
+ *         if (ret)
+ *             goto out;
  *     }
  *     ... do stuff ...
- *     drm_modeset_drop_locks(&ctx);
- *     drm_modeset_acquire_fini(&ctx);
+ *     out:
+ *     drm_modeset_drop_locks(ctx);
+ *     drm_modeset_acquire_fini(ctx);
  *
  * If all that is needed is a single modeset lock, then the &struct
  * drm_modeset_acquire_ctx is not needed and the locking can be simplified
- * by passing a NULL instead of ctx in the drm_modeset_lock()
- * call and, when done, by calling drm_modeset_unlock().
+ * by passing a NULL instead of ctx in the drm_modeset_lock() call or
+ * calling  drm_modeset_lock_single_interruptible(). To unlock afterwards
+ * call drm_modeset_unlock().
  *
  * On top of these per-object locks using &ww_mutex there's also an overall
  * &drm_mode_config.mutex, for protecting everything else. Mostly this means
@@ -178,7 +183,11 @@ EXPORT_SYMBOL(drm_warn_on_modeset_not_all_locked);
 /**
  * drm_modeset_acquire_init - initialize acquire context
  * @ctx: the acquire context
- * @flags: for future
+ * @flags: 0 or %DRM_MODESET_ACQUIRE_INTERRUPTIBLE
+ *
+ * When passing %DRM_MODESET_ACQUIRE_INTERRUPTIBLE to @flags,
+ * all calls to drm_modeset_lock() will perform an interruptible
+ * wait.
  */
 void drm_modeset_acquire_init(struct drm_modeset_acquire_ctx *ctx,
 		uint32_t flags)
@@ -186,6 +195,9 @@ void drm_modeset_acquire_init(struct drm_modeset_acquire_ctx *ctx,
 	memset(ctx, 0, sizeof(*ctx));
 	ww_acquire_init(&ctx->ww_ctx, &crtc_ww_class);
 	INIT_LIST_HEAD(&ctx->locked);
+
+	if (flags & DRM_MODESET_ACQUIRE_INTERRUPTIBLE)
+		ctx->interruptible = true;
 }
 EXPORT_SYMBOL(drm_modeset_acquire_init);
 
@@ -261,8 +273,19 @@ static inline int modeset_lock(struct drm_modeset_lock *lock,
 	return ret;
 }
 
-static int modeset_backoff(struct drm_modeset_acquire_ctx *ctx,
-		bool interruptible)
+/**
+ * drm_modeset_backoff - deadlock avoidance backoff
+ * @ctx: the acquire context
+ *
+ * If deadlock is detected (ie. drm_modeset_lock() returns -EDEADLK),
+ * you must call this function to drop all currently held locks and
+ * block until the contended lock becomes available.
+ *
+ * This function returns 0 on success, or -ERESTARTSYS if this context
+ * is initialized with %DRM_MODESET_ACQUIRE_INTERRUPTIBLE and the
+ * wait has been interrupted.
+ */
+int drm_modeset_backoff(struct drm_modeset_acquire_ctx *ctx)
 {
 	struct drm_modeset_lock *contended = ctx->contended;
 
@@ -273,35 +296,10 @@ static int modeset_backoff(struct drm_modeset_acquire_ctx *ctx,
 
 	drm_modeset_drop_locks(ctx);
 
-	return modeset_lock(contended, ctx, interruptible, true);
-}
-
-/**
- * drm_modeset_backoff - deadlock avoidance backoff
- * @ctx: the acquire context
- *
- * If deadlock is detected (ie. drm_modeset_lock() returns -EDEADLK),
- * you must call this function to drop all currently held locks and
- * block until the contended lock becomes available.
- */
-void drm_modeset_backoff(struct drm_modeset_acquire_ctx *ctx)
-{
-	modeset_backoff(ctx, false);
+	return modeset_lock(contended, ctx, ctx->interruptible, true);
 }
 EXPORT_SYMBOL(drm_modeset_backoff);
 
-/**
- * drm_modeset_backoff_interruptible - deadlock avoidance backoff
- * @ctx: the acquire context
- *
- * Interruptible version of drm_modeset_backoff()
- */
-int drm_modeset_backoff_interruptible(struct drm_modeset_acquire_ctx *ctx)
-{
-	return modeset_backoff(ctx, true);
-}
-EXPORT_SYMBOL(drm_modeset_backoff_interruptible);
-
 /**
  * drm_modeset_lock_init - initialize lock
  * @lock: lock to init
@@ -324,14 +322,18 @@ EXPORT_SYMBOL(drm_modeset_lock_init);
  * deadlock scenario has been detected and it is an error to attempt
  * to take any more locks without first calling drm_modeset_backoff().
  *
+ * If the @ctx is not NULL and initialized with
+ * %DRM_MODESET_ACQUIRE_INTERRUPTIBLE, this function will fail with
+ * -ERESTARTSYS when interrupted.
+ *
  * If @ctx is NULL then the function call behaves like a normal,
- * non-nesting mutex_lock() call.
+ * uninterruptible non-nesting mutex_lock() call.
  */
 int drm_modeset_lock(struct drm_modeset_lock *lock,
 		struct drm_modeset_acquire_ctx *ctx)
 {
 	if (ctx)
-		return modeset_lock(lock, ctx, false, false);
+		return modeset_lock(lock, ctx, ctx->interruptible, false);
 
 	ww_mutex_lock(&lock->mutex, NULL);
 	return 0;
@@ -339,21 +341,19 @@ int drm_modeset_lock(struct drm_modeset_lock *lock,
 EXPORT_SYMBOL(drm_modeset_lock);
 
 /**
- * drm_modeset_lock_interruptible - take modeset lock
+ * drm_modeset_lock_single_interruptible - take a single modeset lock
  * @lock: lock to take
- * @ctx: acquire ctx
  *
- * Interruptible version of drm_modeset_lock()
+ * This function behaves as drm_modeset_lock() with a NULL context,
+ * but performs interruptible waits.
+ *
+ * This function returns 0 on success, or -ERESTARTSYS when interrupted.
  */
-int drm_modeset_lock_interruptible(struct drm_modeset_lock *lock,
-		struct drm_modeset_acquire_ctx *ctx)
+int drm_modeset_lock_single_interruptible(struct drm_modeset_lock *lock)
 {
-	if (ctx)
-		return modeset_lock(lock, ctx, true, false);
-
 	return ww_mutex_lock_interruptible(&lock->mutex, NULL);
 }
-EXPORT_SYMBOL(drm_modeset_lock_interruptible);
+EXPORT_SYMBOL(drm_modeset_lock_single_interruptible);
 
 /**
  * drm_modeset_unlock - drop modeset lock

drivers/gpu/drm/drm_plane.c

@@ -667,7 +667,7 @@ static int setplane_internal(struct drm_plane *plane,
 	struct drm_modeset_acquire_ctx ctx;
 	int ret;
 
-	drm_modeset_acquire_init(&ctx, 0);
+	drm_modeset_acquire_init(&ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE);
 retry:
 	ret = drm_modeset_lock_all_ctx(plane->dev, &ctx);
 	if (ret)
@@ -678,8 +678,9 @@ static int setplane_internal(struct drm_plane *plane,
 
 fail:
 	if (ret == -EDEADLK) {
-		drm_modeset_backoff(&ctx);
-		goto retry;
+		ret = drm_modeset_backoff(&ctx);
+		if (!ret)
+			goto retry;
 	}
 	drm_modeset_drop_locks(&ctx);
 	drm_modeset_acquire_fini(&ctx);
@@ -834,7 +835,7 @@ static int drm_mode_cursor_common(struct drm_device *dev,
 		return -ENOENT;
 	}
 
-	drm_modeset_acquire_init(&ctx, 0);
+	drm_modeset_acquire_init(&ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE);
 retry:
 	ret = drm_modeset_lock(&crtc->mutex, &ctx);
 	if (ret)
@@ -876,8 +877,9 @@ static int drm_mode_cursor_common(struct drm_device *dev,
 	}
 out:
 	if (ret == -EDEADLK) {
-		drm_modeset_backoff(&ctx);
-		goto retry;
+		ret = drm_modeset_backoff(&ctx);
+		if (!ret)
+			goto retry;
 	}
 
 	drm_modeset_drop_locks(&ctx);
@@ -985,7 +987,7 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev,
 		return -EINVAL;
 	}
 
-	drm_modeset_acquire_init(&ctx, 0);
+	drm_modeset_acquire_init(&ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE);
 retry:
 	ret = drm_modeset_lock(&crtc->mutex, &ctx);
 	if (ret)
@@ -1074,8 +1076,9 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev,
 	crtc->primary->old_fb = NULL;
 
 	if (ret == -EDEADLK) {
-		drm_modeset_backoff(&ctx);
-		goto retry;
+		ret = drm_modeset_backoff(&ctx);
+		if (!ret)
+			goto retry;
 	}
 
 	drm_modeset_drop_locks(&ctx);

drivers/gpu/drm/drm_probe_helper.c

@@ -353,8 +353,6 @@ EXPORT_SYMBOL(drm_helper_probe_detect);
  *    drm_mode_probed_add(). New modes start their life with status as OK.
  *    Modes are added from a single source using the following priority order.
  *
- *    - debugfs 'override_edid' (used for testing only)
- *    - firmware EDID (drm_load_edid_firmware())
  *    - &drm_connector_helper_funcs.get_modes vfunc
  *    - if the connector status is connector_status_connected, standard
  *      VESA DMT modes up to 1024x768 are automatically added
@@ -483,22 +481,7 @@ int drm_helper_probe_single_connector_modes(struct drm_connector *connector,
 		goto prune;
 	}
 
-	if (connector->override_edid) {
-		struct edid *edid = (struct edid *) connector->edid_blob_ptr->data;
-
-		count = drm_add_edid_modes(connector, edid);
-		drm_edid_to_eld(connector, edid);
-	} else {
-		struct edid *edid = drm_load_edid_firmware(connector);
-		if (!IS_ERR_OR_NULL(edid)) {
-			drm_mode_connector_update_edid_property(connector, edid);
-			count = drm_add_edid_modes(connector, edid);
-			drm_edid_to_eld(connector, edid);
-			kfree(edid);
-		}
-		if (count == 0)
-			count = (*connector_funcs->get_modes)(connector);
-	}
+	count = (*connector_funcs->get_modes)(connector);
 
 	if (count == 0 && connector->status == connector_status_connected)
 		count = drm_add_modes_noedid(connector, 1024, 768);

drivers/gpu/drm/drm_scdc_helper.c

@@ -134,7 +134,6 @@ EXPORT_SYMBOL(drm_scdc_write);
  * Returns:
  * True if the scrambling is enabled, false otherwise.
  */
-
 bool drm_scdc_get_scrambling_status(struct i2c_adapter *adapter)
 {
 	u8 status;
@@ -142,7 +141,7 @@ bool drm_scdc_get_scrambling_status(struct i2c_adapter *adapter)
 
 	ret = drm_scdc_readb(adapter, SCDC_SCRAMBLER_STATUS, &status);
 	if (ret < 0) {
-		DRM_ERROR("Failed to read scrambling status, error %d\n", ret);
+		DRM_ERROR("Failed to read scrambling status: %d\n", ret);
 		return false;
 	}
 
@@ -162,7 +161,6 @@ EXPORT_SYMBOL(drm_scdc_get_scrambling_status);
  * Returns:
  * True if scrambling is set/reset successfully, false otherwise.
  */
-
 bool drm_scdc_set_scrambling(struct i2c_adapter *adapter, bool enable)
 {
 	u8 config;
@@ -170,7 +168,7 @@ bool drm_scdc_set_scrambling(struct i2c_adapter *adapter, bool enable)
 
 	ret = drm_scdc_readb(adapter, SCDC_TMDS_CONFIG, &config);
 	if (ret < 0) {
-		DRM_ERROR("Failed to read tmds config, err=%d\n", ret);
+		DRM_ERROR("Failed to read TMDS config: %d\n", ret);
 		return false;
 	}
 
@@ -181,7 +179,7 @@ bool drm_scdc_set_scrambling(struct i2c_adapter *adapter, bool enable)
 
 	ret = drm_scdc_writeb(adapter, SCDC_TMDS_CONFIG, config);
 	if (ret < 0) {
-		DRM_ERROR("Failed to enable scrambling, error %d\n", ret);
+		DRM_ERROR("Failed to enable scrambling: %d\n", ret);
 		return false;
 	}
 
@@ -225,7 +223,7 @@ bool drm_scdc_set_high_tmds_clock_ratio(struct i2c_adapter *adapter, bool set)
 
 	ret = drm_scdc_readb(adapter, SCDC_TMDS_CONFIG, &config);
 	if (ret < 0) {
-		DRM_ERROR("Failed to read tmds config, err=%d\n", ret);
+		DRM_ERROR("Failed to read TMDS config: %d\n", ret);
 		return false;
 	}
 
@@ -236,7 +234,7 @@ bool drm_scdc_set_high_tmds_clock_ratio(struct i2c_adapter *adapter, bool set)
 
 	ret = drm_scdc_writeb(adapter, SCDC_TMDS_CONFIG, config);
 	if (ret < 0) {
-		DRM_ERROR("Failed to set TMDS clock ratio, error %d\n", ret);
+		DRM_ERROR("Failed to set TMDS clock ratio: %d\n", ret);
 		return false;
 	}
 

drivers/gpu/drm/drm_syncobj.c

@@ -417,8 +417,8 @@ static int drm_syncobj_fd_to_handle(struct drm_file *file_private,
 	return 0;
 }
 
-int drm_syncobj_import_sync_file_fence(struct drm_file *file_private,
-				       int fd, int handle)
+static int drm_syncobj_import_sync_file_fence(struct drm_file *file_private,
+					      int fd, int handle)
 {
 	struct dma_fence *fence = sync_file_get_fence(fd);
 	struct drm_syncobj *syncobj;
@@ -438,8 +438,8 @@ int drm_syncobj_import_sync_file_fence(struct drm_file *file_private,
 	return 0;
 }
 
-int drm_syncobj_export_sync_file(struct drm_file *file_private,
-				 int handle, int *p_fd)
+static int drm_syncobj_export_sync_file(struct drm_file *file_private,
+					int handle, int *p_fd)
 {
 	int ret;
 	struct dma_fence *fence;

drivers/gpu/drm/drm_trace.h

@@ -61,5 +61,5 @@ TRACE_EVENT(drm_vblank_event_delivered,
 
 /* This part must be outside protection */
 #undef TRACE_INCLUDE_PATH
-#define TRACE_INCLUDE_PATH .
+#define TRACE_INCLUDE_PATH ../../drivers/gpu/drm
 #include <trace/define_trace.h>

drivers/gpu/drm/exynos/exynos_drm_mic.c

@@ -420,11 +420,7 @@ static int exynos_mic_probe(struct platform_device *pdev)
 	mic->bridge.funcs = &mic_bridge_funcs;
 	mic->bridge.of_node = dev->of_node;
 
-	ret = drm_bridge_add(&mic->bridge);
-	if (ret) {
-		DRM_ERROR("mic: Failed to add MIC to the global bridge list\n");
-		return ret;
-	}
+	drm_bridge_add(&mic->bridge);
 
 	pm_runtime_enable(dev);
 

drivers/gpu/drm/gma500/cdv_intel_dp.c

@@ -1901,10 +1901,8 @@ cdv_intel_dp_destroy(struct drm_connector *connector)
 
 	if (is_edp(gma_encoder)) {
 	/*	cdv_intel_panel_destroy_backlight(connector->dev); */
-		if (intel_dp->panel_fixed_mode) {
-			kfree(intel_dp->panel_fixed_mode);
-			intel_dp->panel_fixed_mode = NULL;
-		}
+		kfree(intel_dp->panel_fixed_mode);
+		intel_dp->panel_fixed_mode = NULL;
 	}
 	i2c_del_adapter(&intel_dp->adapter);
 	drm_connector_unregister(connector);

drivers/gpu/drm/gma500/mdfld_intel_display.c

@@ -99,7 +99,7 @@ void mdfldWaitForPipeEnable(struct drm_device *dev, int pipe)
 	/* Wait for for the pipe enable to take effect. */
 	for (count = 0; count < COUNT_MAX; count++) {
 		temp = REG_READ(map->conf);
-		if ((temp & PIPEACONF_PIPE_STATE) == 1)
+		if (temp & PIPEACONF_PIPE_STATE)
 			break;
 	}
 }

drivers/gpu/drm/i2c/ch7006_drv.c

@@ -485,7 +485,7 @@ static int ch7006_encoder_init(struct i2c_client *client,
 	return 0;
 }
 
-static struct i2c_device_id ch7006_ids[] = {
+static const struct i2c_device_id ch7006_ids[] = {
 	{ "ch7006", 0 },
 	{ }
 };

drivers/gpu/drm/i2c/sil164_drv.c

@@ -415,7 +415,7 @@ sil164_encoder_init(struct i2c_client *client,
 	return 0;
 }
 
-static struct i2c_device_id sil164_ids[] = {
+static const struct i2c_device_id sil164_ids[] = {
 	{ "sil164", 0 },
 	{ }
 };

drivers/gpu/drm/i2c/tda998x_drv.c

@@ -1746,7 +1746,7 @@ static const struct of_device_id tda998x_dt_ids[] = {
 MODULE_DEVICE_TABLE(of, tda998x_dt_ids);
 #endif
 
-static struct i2c_device_id tda998x_ids[] = {
+static const struct i2c_device_id tda998x_ids[] = {
 	{ "tda998x", 0 },
 	{ }
 };

drivers/gpu/drm/i915/i915_drv.h

@@ -707,8 +707,7 @@ struct drm_i915_display_funcs {
 			    struct drm_atomic_state *old_state);
 	void (*crtc_disable)(struct intel_crtc_state *old_crtc_state,
 			     struct drm_atomic_state *old_state);
-	void (*update_crtcs)(struct drm_atomic_state *state,
-			     unsigned int *crtc_vblank_mask);
+	void (*update_crtcs)(struct drm_atomic_state *state);
 	void (*audio_codec_enable)(struct drm_connector *connector,
 				   struct intel_encoder *encoder,
 				   const struct drm_display_mode *adjusted_mode);

drivers/gpu/drm/i915/intel_display.c

@@ -12129,73 +12129,10 @@ u32 intel_crtc_get_vblank_counter(struct intel_crtc *crtc)
 	return dev->driver->get_vblank_counter(dev, crtc->pipe);
 }
 
-static void intel_atomic_wait_for_vblanks(struct drm_device *dev,
-					  struct drm_i915_private *dev_priv,
-					  unsigned crtc_mask)
-{
-	unsigned last_vblank_count[I915_MAX_PIPES];
-	enum pipe pipe;
-	int ret;
-
-	if (!crtc_mask)
-		return;
-
-	for_each_pipe(dev_priv, pipe) {
-		struct intel_crtc *crtc = intel_get_crtc_for_pipe(dev_priv,
-								  pipe);
-
-		if (!((1 << pipe) & crtc_mask))
-			continue;
-
-		ret = drm_crtc_vblank_get(&crtc->base);
-		if (WARN_ON(ret != 0)) {
-			crtc_mask &= ~(1 << pipe);
-			continue;
-		}
-
-		last_vblank_count[pipe] = drm_crtc_vblank_count(&crtc->base);
-	}
-
-	for_each_pipe(dev_priv, pipe) {
-		struct intel_crtc *crtc = intel_get_crtc_for_pipe(dev_priv,
-								  pipe);
-		long lret;
-
-		if (!((1 << pipe) & crtc_mask))
-			continue;
-
-		lret = wait_event_timeout(dev->vblank[pipe].queue,
-				last_vblank_count[pipe] !=
-					drm_crtc_vblank_count(&crtc->base),
-				msecs_to_jiffies(50));
-
-		WARN(!lret, "pipe %c vblank wait timed out\n", pipe_name(pipe));
-
-		drm_crtc_vblank_put(&crtc->base);
-	}
-}
-
-static bool needs_vblank_wait(struct intel_crtc_state *crtc_state)
-{
-	/* fb updated, need to unpin old fb */
-	if (crtc_state->fb_changed)
-		return true;
-
-	/* wm changes, need vblank before final wm's */
-	if (crtc_state->update_wm_post)
-		return true;
-
-	if (crtc_state->wm.need_postvbl_update)
-		return true;
-
-	return false;
-}
-
 static void intel_update_crtc(struct drm_crtc *crtc,
 			      struct drm_atomic_state *state,
 			      struct drm_crtc_state *old_crtc_state,
-			      struct drm_crtc_state *new_crtc_state,
-			      unsigned int *crtc_vblank_mask)
+			      struct drm_crtc_state *new_crtc_state)
 {
 	struct drm_device *dev = crtc->dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
@@ -12218,13 +12155,9 @@ static void intel_update_crtc(struct drm_crtc *crtc,
 	}
 
 	drm_atomic_helper_commit_planes_on_crtc(old_crtc_state);
-
-	if (needs_vblank_wait(pipe_config))
-		*crtc_vblank_mask |= drm_crtc_mask(crtc);
 }
 
-static void intel_update_crtcs(struct drm_atomic_state *state,
-			       unsigned int *crtc_vblank_mask)
+static void intel_update_crtcs(struct drm_atomic_state *state)
 {
 	struct drm_crtc *crtc;
 	struct drm_crtc_state *old_crtc_state, *new_crtc_state;
@@ -12235,12 +12168,11 @@ static void intel_update_crtcs(struct drm_atomic_state *state,
 			continue;
 
 		intel_update_crtc(crtc, state, old_crtc_state,
-				  new_crtc_state, crtc_vblank_mask);
+				  new_crtc_state);
 	}
 }
 
-static void skl_update_crtcs(struct drm_atomic_state *state,
-			     unsigned int *crtc_vblank_mask)
+static void skl_update_crtcs(struct drm_atomic_state *state)
 {
 	struct drm_i915_private *dev_priv = to_i915(state->dev);
 	struct intel_atomic_state *intel_state = to_intel_atomic_state(state);
@@ -12299,7 +12231,7 @@ static void skl_update_crtcs(struct drm_atomic_state *state,
 				vbl_wait = true;
 
 			intel_update_crtc(crtc, state, old_crtc_state,
-					  new_crtc_state, crtc_vblank_mask);
+					  new_crtc_state);
 
 			if (vbl_wait)
 				intel_wait_for_vblank(dev_priv, pipe);
@@ -12361,7 +12293,6 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state)
 	struct intel_crtc_state *intel_cstate;
 	bool hw_check = intel_state->modeset;
 	u64 put_domains[I915_MAX_PIPES] = {};
-	unsigned crtc_vblank_mask = 0;
 	int i;
 
 	intel_atomic_commit_fence_wait(intel_state);
@@ -12451,7 +12382,7 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state)
 	}
 
 	/* Now enable the clocks, plane, pipe, and connectors that we set up. */
-	dev_priv->display.update_crtcs(state, &crtc_vblank_mask);
+	dev_priv->display.update_crtcs(state);
 
 	/* FIXME: We should call drm_atomic_helper_commit_hw_done() here
 	 * already, but still need the state for the delayed optimization. To
@@ -12462,8 +12393,7 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state)
 	 * - switch over to the vblank wait helper in the core after that since
 	 *   we don't need out special handling any more.
 	 */
-	if (!state->legacy_cursor_update)
-		intel_atomic_wait_for_vblanks(dev, dev_priv, crtc_vblank_mask);
+	drm_atomic_helper_wait_for_flip_done(dev, state);
 
 	/*
 	 * Now that the vblank has passed, we can go ahead and program the
@@ -13061,6 +12991,14 @@ intel_legacy_cursor_update(struct drm_plane *plane,
 		goto slow;
 
 	old_plane_state = plane->state;
+	/*
+	 * Don't do an async update if there is an outstanding commit modifying
+	 * the plane.  This prevents our async update's changes from getting
+	 * overridden by a previous synchronous update's state.
+	 */
+	if (old_plane_state->commit &&
+	    !try_wait_for_completion(&old_plane_state->commit->hw_done))
+		goto slow;
 
 	/*
 	 * If any parameters change that may affect watermarks,
@@ -13120,17 +13058,12 @@ intel_legacy_cursor_update(struct drm_plane *plane,
 	}
 
 	old_fb = old_plane_state->fb;
-	old_vma = to_intel_plane_state(old_plane_state)->vma;
 
 	i915_gem_track_fb(intel_fb_obj(old_fb), intel_fb_obj(fb),
 			  intel_plane->frontbuffer_bit);
 
 	/* Swap plane state */
-	new_plane_state->fence = old_plane_state->fence;
-	*to_intel_plane_state(old_plane_state) = *to_intel_plane_state(new_plane_state);
-	new_plane_state->fence = NULL;
-	new_plane_state->fb = old_fb;
-	to_intel_plane_state(new_plane_state)->vma = NULL;
+	plane->state = new_plane_state;
 
 	if (plane->state->visible) {
 		trace_intel_update_plane(plane, to_intel_crtc(crtc));
@@ -13142,13 +13075,17 @@ intel_legacy_cursor_update(struct drm_plane *plane,
 		intel_plane->disable_plane(intel_plane, to_intel_crtc(crtc));
 	}
 
+	old_vma = fetch_and_zero(&to_intel_plane_state(old_plane_state)->vma);
 	if (old_vma)
 		intel_unpin_fb_vma(old_vma);
 
 out_unlock:
 	mutex_unlock(&dev_priv->drm.struct_mutex);
 out_free:
-	intel_plane_destroy_state(plane, new_plane_state);
+	if (ret)
+		intel_plane_destroy_state(plane, new_plane_state);
+	else
+		intel_plane_destroy_state(plane, old_plane_state);
 	return ret;
 
 slow:

drivers/gpu/drm/imx/imx-drm-core.c

@@ -24,6 +24,7 @@
 #include <drm/drm_fb_helper.h>
 #include <drm/drm_crtc_helper.h>
 #include <drm/drm_gem_cma_helper.h>
+#include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_plane_helper.h>
 #include <drm/drm_of.h>
@@ -105,7 +106,7 @@ static int imx_drm_atomic_check(struct drm_device *dev,
 }
 
 static const struct drm_mode_config_funcs imx_drm_mode_config_funcs = {
-	.fb_create = drm_fb_cma_create,
+	.fb_create = drm_gem_fb_create,
 	.output_poll_changed = imx_drm_output_poll_changed,
 	.atomic_check = imx_drm_atomic_check,
 	.atomic_commit = drm_atomic_helper_commit,

drivers/gpu/drm/imx/ipuv3-plane.c

@@ -18,6 +18,7 @@
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_gem_cma_helper.h>
+#include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_plane_helper.h>
 
 #include "video/imx-ipu-v3.h"
@@ -690,7 +691,7 @@ static void ipu_plane_atomic_update(struct drm_plane *plane,
 }
 
 static const struct drm_plane_helper_funcs ipu_plane_helper_funcs = {
-	.prepare_fb = drm_fb_cma_prepare_fb,
+	.prepare_fb = drm_gem_fb_prepare_fb,
 	.atomic_check = ipu_plane_atomic_check,
 	.atomic_disable = ipu_plane_atomic_disable,
 	.atomic_update = ipu_plane_atomic_update,

drivers/gpu/drm/mediatek/mtk_hdmi.c

@@ -1696,11 +1696,7 @@ static int mtk_drm_hdmi_probe(struct platform_device *pdev)
 
 	hdmi->bridge.funcs = &mtk_hdmi_bridge_funcs;
 	hdmi->bridge.of_node = pdev->dev.of_node;
-	ret = drm_bridge_add(&hdmi->bridge);
-	if (ret) {
-		dev_err(dev, "failed to add bridge, ret = %d\n", ret);
-		return ret;
-	}
+	drm_bridge_add(&hdmi->bridge);
 
 	ret = mtk_hdmi_clk_enable_audio(hdmi);
 	if (ret) {