Merge branch 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-next

Add GK110 modesetting suport.

* 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
  drm/nve0: recognise nvf0 as a kepler board (GK110)
  drm/nouveau: force noaccel when no PFIFO support present
  drm/nvf0/disp: expose display class 2.2
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index c577bae..3a8f7e6d 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -178,9 +178,6 @@
 	{ DRM_MODE_DIRTY_ANNOTATE, "Annotate" },
 };
 
-DRM_ENUM_NAME_FN(drm_get_dirty_info_name,
-		 drm_dirty_info_enum_list)
-
 struct drm_conn_prop_enum_list {
 	int type;
 	char *name;
@@ -706,7 +703,6 @@
 	connector->connector_type = connector_type;
 	connector->connector_type_id =
 		++drm_connector_enum_list[connector_type].count; /* TODO */
-	INIT_LIST_HEAD(&connector->user_modes);
 	INIT_LIST_HEAD(&connector->probed_modes);
 	INIT_LIST_HEAD(&connector->modes);
 	connector->edid_blob_ptr = NULL;
@@ -747,9 +743,6 @@
 	list_for_each_entry_safe(mode, t, &connector->modes, head)
 		drm_mode_remove(connector, mode);
 
-	list_for_each_entry_safe(mode, t, &connector->user_modes, head)
-		drm_mode_remove(connector, mode);
-
 	drm_mode_object_put(dev, &connector->base);
 	list_del(&connector->head);
 	dev->mode_config.num_connector--;
@@ -1120,7 +1113,7 @@
 }
 EXPORT_SYMBOL(drm_mode_create_dirty_info_property);
 
-int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group)
+static int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group)
 {
 	uint32_t total_objects = 0;
 
@@ -2616,192 +2609,6 @@
 	mutex_unlock(&priv->fbs_lock);
 }
 
-/**
- * drm_mode_attachmode - add a mode to the user mode list
- * @dev: DRM device
- * @connector: connector to add the mode to
- * @mode: mode to add
- *
- * Add @mode to @connector's user mode list.
- */
-static void drm_mode_attachmode(struct drm_device *dev,
-				struct drm_connector *connector,
-				struct drm_display_mode *mode)
-{
-	list_add_tail(&mode->head, &connector->user_modes);
-}
-
-int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc,
-			     const struct drm_display_mode *mode)
-{
-	struct drm_connector *connector;
-	int ret = 0;
-	struct drm_display_mode *dup_mode, *next;
-	LIST_HEAD(list);
-
-	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
-		if (!connector->encoder)
-			continue;
-		if (connector->encoder->crtc == crtc) {
-			dup_mode = drm_mode_duplicate(dev, mode);
-			if (!dup_mode) {
-				ret = -ENOMEM;
-				goto out;
-			}
-			list_add_tail(&dup_mode->head, &list);
-		}
-	}
-
-	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
-		if (!connector->encoder)
-			continue;
-		if (connector->encoder->crtc == crtc)
-			list_move_tail(list.next, &connector->user_modes);
-	}
-
-	WARN_ON(!list_empty(&list));
-
- out:
-	list_for_each_entry_safe(dup_mode, next, &list, head)
-		drm_mode_destroy(dev, dup_mode);
-
-	return ret;
-}
-EXPORT_SYMBOL(drm_mode_attachmode_crtc);
-
-static int drm_mode_detachmode(struct drm_device *dev,
-			       struct drm_connector *connector,
-			       struct drm_display_mode *mode)
-{
-	int found = 0;
-	int ret = 0;
-	struct drm_display_mode *match_mode, *t;
-
-	list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) {
-		if (drm_mode_equal(match_mode, mode)) {
-			list_del(&match_mode->head);
-			drm_mode_destroy(dev, match_mode);
-			found = 1;
-			break;
-		}
-	}
-
-	if (!found)
-		ret = -EINVAL;
-
-	return ret;
-}
-
-int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode)
-{
-	struct drm_connector *connector;
-
-	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
-		drm_mode_detachmode(dev, connector, mode);
-	}
-	return 0;
-}
-EXPORT_SYMBOL(drm_mode_detachmode_crtc);
-
-/**
- * drm_fb_attachmode - Attach a user mode to an connector
- * @dev: drm device for the ioctl
- * @data: data pointer for the ioctl
- * @file_priv: drm file for the ioctl call
- *
- * This attaches a user specified mode to an connector.
- * Called by the user via ioctl.
- *
- * RETURNS:
- * Zero on success, errno on failure.
- */
-int drm_mode_attachmode_ioctl(struct drm_device *dev,
-			      void *data, struct drm_file *file_priv)
-{
-	struct drm_mode_mode_cmd *mode_cmd = data;
-	struct drm_connector *connector;
-	struct drm_display_mode *mode;
-	struct drm_mode_object *obj;
-	struct drm_mode_modeinfo *umode = &mode_cmd->mode;
-	int ret;
-
-	if (!drm_core_check_feature(dev, DRIVER_MODESET))
-		return -EINVAL;
-
-	drm_modeset_lock_all(dev);
-
-	obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR);
-	if (!obj) {
-		ret = -EINVAL;
-		goto out;
-	}
-	connector = obj_to_connector(obj);
-
-	mode = drm_mode_create(dev);
-	if (!mode) {
-		ret = -ENOMEM;
-		goto out;
-	}
-
-	ret = drm_crtc_convert_umode(mode, umode);
-	if (ret) {
-		DRM_DEBUG_KMS("Invalid mode\n");
-		drm_mode_destroy(dev, mode);
-		goto out;
-	}
-
-	drm_mode_attachmode(dev, connector, mode);
-out:
-	drm_modeset_unlock_all(dev);
-	return ret;
-}
-
-
-/**
- * drm_fb_detachmode - Detach a user specified mode from an connector
- * @dev: drm device for the ioctl
- * @data: data pointer for the ioctl
- * @file_priv: drm file for the ioctl call
- *
- * Called by the user via ioctl.
- *
- * RETURNS:
- * Zero on success, errno on failure.
- */
-int drm_mode_detachmode_ioctl(struct drm_device *dev,
-			      void *data, struct drm_file *file_priv)
-{
-	struct drm_mode_object *obj;
-	struct drm_mode_mode_cmd *mode_cmd = data;
-	struct drm_connector *connector;
-	struct drm_display_mode mode;
-	struct drm_mode_modeinfo *umode = &mode_cmd->mode;
-	int ret;
-
-	if (!drm_core_check_feature(dev, DRIVER_MODESET))
-		return -EINVAL;
-
-	drm_modeset_lock_all(dev);
-
-	obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR);
-	if (!obj) {
-		ret = -EINVAL;
-		goto out;
-	}
-	connector = obj_to_connector(obj);
-
-	ret = drm_crtc_convert_umode(&mode, umode);
-	if (ret) {
-		DRM_DEBUG_KMS("Invalid mode\n");
-		goto out;
-	}
-
-	ret = drm_mode_detachmode(dev, connector, &mode);
-out:
-	drm_modeset_unlock_all(dev);
-	return ret;
-}
-
 struct drm_property *drm_property_create(struct drm_device *dev, int flags,
 					 const char *name, int num_values)
 {
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index 0ac1991..8d4f290 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -60,7 +60,7 @@
 	[DRM_IOCTL_NR(ioctl)] = {.cmd = ioctl, .func = _func, .flags = _flags, .cmd_drv = 0}
 
 /** Ioctl table */
-static struct drm_ioctl_desc drm_ioctls[] = {
+static const struct drm_ioctl_desc drm_ioctls[] = {
 	DRM_IOCTL_DEF(DRM_IOCTL_VERSION, drm_version, DRM_UNLOCKED),
 	DRM_IOCTL_DEF(DRM_IOCTL_GET_UNIQUE, drm_getunique, 0),
 	DRM_IOCTL_DEF(DRM_IOCTL_GET_MAGIC, drm_getmagic, 0),
@@ -150,8 +150,8 @@
 	DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETGAMMA, drm_mode_gamma_set_ioctl, DRM_MASTER|DRM_UNLOCKED),
 	DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETENCODER, drm_mode_getencoder, DRM_CONTROL_ALLOW|DRM_UNLOCKED),
 	DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETCONNECTOR, drm_mode_getconnector, DRM_CONTROL_ALLOW|DRM_UNLOCKED),
-	DRM_IOCTL_DEF(DRM_IOCTL_MODE_ATTACHMODE, drm_mode_attachmode_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
-	DRM_IOCTL_DEF(DRM_IOCTL_MODE_DETACHMODE, drm_mode_detachmode_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_IOCTL_MODE_ATTACHMODE, drm_noop, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_IOCTL_MODE_DETACHMODE, drm_noop, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
 	DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPROPERTY, drm_mode_getproperty_ioctl, DRM_CONTROL_ALLOW|DRM_UNLOCKED),
 	DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETPROPERTY, drm_mode_connector_property_set_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
 	DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPROPBLOB, drm_mode_getblob_ioctl, DRM_CONTROL_ALLOW|DRM_UNLOCKED),
@@ -375,7 +375,7 @@
 {
 	struct drm_file *file_priv = filp->private_data;
 	struct drm_device *dev;
-	struct drm_ioctl_desc *ioctl;
+	const struct drm_ioctl_desc *ioctl;
 	drm_ioctl_t *func;
 	unsigned int nr = DRM_IOCTL_NR(cmd);
 	int retcode = -EINVAL;
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index b6807e8..9e62bbe 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -587,284 +587,348 @@
 	/* 1 - 640x480@60Hz */
 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
 		   752, 800, 0, 480, 490, 492, 525, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+	  .vrefresh = 60, },
 	/* 2 - 720x480@60Hz */
 	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
 		   798, 858, 0, 480, 489, 495, 525, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+	  .vrefresh = 60, },
 	/* 3 - 720x480@60Hz */
 	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
 		   798, 858, 0, 480, 489, 495, 525, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+	  .vrefresh = 60, },
 	/* 4 - 1280x720@60Hz */
 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
 		   1430, 1650, 0, 720, 725, 730, 750, 0,
-		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	  .vrefresh = 60, },
 	/* 5 - 1920x1080i@60Hz */
 	{ DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
 		   2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
-			DRM_MODE_FLAG_INTERLACE) },
+			DRM_MODE_FLAG_INTERLACE),
+	  .vrefresh = 60, },
 	/* 6 - 1440x480i@60Hz */
 	{ DRM_MODE("1440x480i", DRM_MODE_TYPE_DRIVER, 27000, 1440, 1478,
 		   1602, 1716, 0, 480, 488, 494, 525, 0,
 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
-			DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK) },
+			DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
+	  .vrefresh = 60, },
 	/* 7 - 1440x480i@60Hz */
 	{ DRM_MODE("1440x480i", DRM_MODE_TYPE_DRIVER, 27000, 1440, 1478,
 		   1602, 1716, 0, 480, 488, 494, 525, 0,
 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
-			DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK) },
+			DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
+	  .vrefresh = 60, },
 	/* 8 - 1440x240@60Hz */
 	{ DRM_MODE("1440x240", DRM_MODE_TYPE_DRIVER, 27000, 1440, 1478,
 		   1602, 1716, 0, 240, 244, 247, 262, 0,
 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
-			DRM_MODE_FLAG_DBLCLK) },
+			DRM_MODE_FLAG_DBLCLK),
+	  .vrefresh = 60, },
 	/* 9 - 1440x240@60Hz */
 	{ DRM_MODE("1440x240", DRM_MODE_TYPE_DRIVER, 27000, 1440, 1478,
 		   1602, 1716, 0, 240, 244, 247, 262, 0,
 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
-			DRM_MODE_FLAG_DBLCLK) },
+			DRM_MODE_FLAG_DBLCLK),
+	  .vrefresh = 60, },
 	/* 10 - 2880x480i@60Hz */
 	{ DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
 		   3204, 3432, 0, 480, 488, 494, 525, 0,
 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
-			DRM_MODE_FLAG_INTERLACE) },
+			DRM_MODE_FLAG_INTERLACE),
+	  .vrefresh = 60, },
 	/* 11 - 2880x480i@60Hz */
 	{ DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
 		   3204, 3432, 0, 480, 488, 494, 525, 0,
 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
-			DRM_MODE_FLAG_INTERLACE) },
+			DRM_MODE_FLAG_INTERLACE),
+	  .vrefresh = 60, },
 	/* 12 - 2880x240@60Hz */
 	{ DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
 		   3204, 3432, 0, 240, 244, 247, 262, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+	  .vrefresh = 60, },
 	/* 13 - 2880x240@60Hz */
 	{ DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
 		   3204, 3432, 0, 240, 244, 247, 262, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+	  .vrefresh = 60, },
 	/* 14 - 1440x480@60Hz */
 	{ DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
 		   1596, 1716, 0, 480, 489, 495, 525, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+	  .vrefresh = 60, },
 	/* 15 - 1440x480@60Hz */
 	{ DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
 		   1596, 1716, 0, 480, 489, 495, 525, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+	  .vrefresh = 60, },
 	/* 16 - 1920x1080@60Hz */
 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
 		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
-		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	  .vrefresh = 60, },
 	/* 17 - 720x576@50Hz */
 	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
 		   796, 864, 0, 576, 581, 586, 625, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+	  .vrefresh = 50, },
 	/* 18 - 720x576@50Hz */
 	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
 		   796, 864, 0, 576, 581, 586, 625, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+	  .vrefresh = 50, },
 	/* 19 - 1280x720@50Hz */
 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
 		   1760, 1980, 0, 720, 725, 730, 750, 0,
-		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	  .vrefresh = 50, },
 	/* 20 - 1920x1080i@50Hz */
 	{ DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
 		   2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
-			DRM_MODE_FLAG_INTERLACE) },
+			DRM_MODE_FLAG_INTERLACE),
+	  .vrefresh = 50, },
 	/* 21 - 1440x576i@50Hz */
 	{ DRM_MODE("1440x576i", DRM_MODE_TYPE_DRIVER, 27000, 1440, 1464,
 		   1590, 1728, 0, 576, 580, 586, 625, 0,
 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
-			DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK) },
+			DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
+	  .vrefresh = 50, },
 	/* 22 - 1440x576i@50Hz */
 	{ DRM_MODE("1440x576i", DRM_MODE_TYPE_DRIVER, 27000, 1440, 1464,
 		   1590, 1728, 0, 576, 580, 586, 625, 0,
 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
-			DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK) },
+			DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
+	  .vrefresh = 50, },
 	/* 23 - 1440x288@50Hz */
 	{ DRM_MODE("1440x288", DRM_MODE_TYPE_DRIVER, 27000, 1440, 1464,
 		   1590, 1728, 0, 288, 290, 293, 312, 0,
 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
-			DRM_MODE_FLAG_DBLCLK) },
+			DRM_MODE_FLAG_DBLCLK),
+	  .vrefresh = 50, },
 	/* 24 - 1440x288@50Hz */
 	{ DRM_MODE("1440x288", DRM_MODE_TYPE_DRIVER, 27000, 1440, 1464,
 		   1590, 1728, 0, 288, 290, 293, 312, 0,
 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
-			DRM_MODE_FLAG_DBLCLK) },
+			DRM_MODE_FLAG_DBLCLK),
+	  .vrefresh = 50, },
 	/* 25 - 2880x576i@50Hz */
 	{ DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
 		   3180, 3456, 0, 576, 580, 586, 625, 0,
 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
-			DRM_MODE_FLAG_INTERLACE) },
+			DRM_MODE_FLAG_INTERLACE),
+	  .vrefresh = 50, },
 	/* 26 - 2880x576i@50Hz */
 	{ DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
 		   3180, 3456, 0, 576, 580, 586, 625, 0,
 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
-			DRM_MODE_FLAG_INTERLACE) },
+			DRM_MODE_FLAG_INTERLACE),
+	  .vrefresh = 50, },
 	/* 27 - 2880x288@50Hz */
 	{ DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
 		   3180, 3456, 0, 288, 290, 293, 312, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+	  .vrefresh = 50, },
 	/* 28 - 2880x288@50Hz */
 	{ DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
 		   3180, 3456, 0, 288, 290, 293, 312, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+	  .vrefresh = 50, },
 	/* 29 - 1440x576@50Hz */
 	{ DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
 		   1592, 1728, 0, 576, 581, 586, 625, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+	  .vrefresh = 50, },
 	/* 30 - 1440x576@50Hz */
 	{ DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
 		   1592, 1728, 0, 576, 581, 586, 625, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+	  .vrefresh = 50, },
 	/* 31 - 1920x1080@50Hz */
 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
 		   2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
-		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	  .vrefresh = 50, },
 	/* 32 - 1920x1080@24Hz */
 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
 		   2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
-		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	  .vrefresh = 24, },
 	/* 33 - 1920x1080@25Hz */
 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
 		   2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
-		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	  .vrefresh = 25, },
 	/* 34 - 1920x1080@30Hz */
 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
 		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
-		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	  .vrefresh = 30, },
 	/* 35 - 2880x480@60Hz */
 	{ DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
 		   3192, 3432, 0, 480, 489, 495, 525, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+	  .vrefresh = 60, },
 	/* 36 - 2880x480@60Hz */
 	{ DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
 		   3192, 3432, 0, 480, 489, 495, 525, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+	  .vrefresh = 60, },
 	/* 37 - 2880x576@50Hz */
 	{ DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
 		   3184, 3456, 0, 576, 581, 586, 625, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+	  .vrefresh = 50, },
 	/* 38 - 2880x576@50Hz */
 	{ DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
 		   3184, 3456, 0, 576, 581, 586, 625, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+	  .vrefresh = 50, },
 	/* 39 - 1920x1080i@50Hz */
 	{ DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 72000, 1920, 1952,
 		   2120, 2304, 0, 1080, 1126, 1136, 1250, 0,
 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC |
-			DRM_MODE_FLAG_INTERLACE) },
+			DRM_MODE_FLAG_INTERLACE),
+	  .vrefresh = 50, },
 	/* 40 - 1920x1080i@100Hz */
 	{ DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
 		   2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
-			DRM_MODE_FLAG_INTERLACE) },
+			DRM_MODE_FLAG_INTERLACE),
+	  .vrefresh = 100, },
 	/* 41 - 1280x720@100Hz */
 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
 		   1760, 1980, 0, 720, 725, 730, 750, 0,
-		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	  .vrefresh = 100, },
 	/* 42 - 720x576@100Hz */
 	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
 		   796, 864, 0, 576, 581, 586, 625, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+	  .vrefresh = 100, },
 	/* 43 - 720x576@100Hz */
 	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
 		   796, 864, 0, 576, 581, 586, 625, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+	  .vrefresh = 100, },
 	/* 44 - 1440x576i@100Hz */
 	{ DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
 		   1590, 1728, 0, 576, 580, 586, 625, 0,
 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
-			DRM_MODE_FLAG_DBLCLK) },
+			DRM_MODE_FLAG_DBLCLK),
+	  .vrefresh = 100, },
 	/* 45 - 1440x576i@100Hz */
 	{ DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
 		   1590, 1728, 0, 576, 580, 586, 625, 0,
 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
-			DRM_MODE_FLAG_DBLCLK) },
+			DRM_MODE_FLAG_DBLCLK),
+	  .vrefresh = 100, },
 	/* 46 - 1920x1080i@120Hz */
 	{ DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
 		   2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
-			DRM_MODE_FLAG_INTERLACE) },
+			DRM_MODE_FLAG_INTERLACE),
+	  .vrefresh = 120, },
 	/* 47 - 1280x720@120Hz */
 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
 		   1430, 1650, 0, 720, 725, 730, 750, 0,
-		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	  .vrefresh = 120, },
 	/* 48 - 720x480@120Hz */
 	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
 		   798, 858, 0, 480, 489, 495, 525, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+	  .vrefresh = 120, },
 	/* 49 - 720x480@120Hz */
 	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
 		   798, 858, 0, 480, 489, 495, 525, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+	  .vrefresh = 120, },
 	/* 50 - 1440x480i@120Hz */
 	{ DRM_MODE("1440x480i", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1478,
 		   1602, 1716, 0, 480, 488, 494, 525, 0,
 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
-			DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK) },
+			DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
+	  .vrefresh = 120, },
 	/* 51 - 1440x480i@120Hz */
 	{ DRM_MODE("1440x480i", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1478,
 		   1602, 1716, 0, 480, 488, 494, 525, 0,
 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
-			DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK) },
+			DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
+	  .vrefresh = 120, },
 	/* 52 - 720x576@200Hz */
 	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
 		   796, 864, 0, 576, 581, 586, 625, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+	  .vrefresh = 200, },
 	/* 53 - 720x576@200Hz */
 	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
 		   796, 864, 0, 576, 581, 586, 625, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+	  .vrefresh = 200, },
 	/* 54 - 1440x576i@200Hz */
 	{ DRM_MODE("1440x576i", DRM_MODE_TYPE_DRIVER, 108000, 1440, 1464,
 		   1590, 1728, 0, 576, 580, 586, 625, 0,
 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
-			DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK) },
+			DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
+	  .vrefresh = 200, },
 	/* 55 - 1440x576i@200Hz */
 	{ DRM_MODE("1440x576i", DRM_MODE_TYPE_DRIVER, 108000, 1440, 1464,
 		   1590, 1728, 0, 576, 580, 586, 625, 0,
 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
-			DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK) },
+			DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
+	  .vrefresh = 200, },
 	/* 56 - 720x480@240Hz */
 	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
 		   798, 858, 0, 480, 489, 495, 525, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+	  .vrefresh = 240, },
 	/* 57 - 720x480@240Hz */
 	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
 		   798, 858, 0, 480, 489, 495, 525, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+	  .vrefresh = 240, },
 	/* 58 - 1440x480i@240 */
 	{ DRM_MODE("1440x480i", DRM_MODE_TYPE_DRIVER, 108000, 1440, 1478,
 		   1602, 1716, 0, 480, 488, 494, 525, 0,
 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
-			DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK) },
+			DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
+	  .vrefresh = 240, },
 	/* 59 - 1440x480i@240 */
 	{ DRM_MODE("1440x480i", DRM_MODE_TYPE_DRIVER, 108000, 1440, 1478,
 		   1602, 1716, 0, 480, 488, 494, 525, 0,
 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
-			DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK) },
+			DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
+	  .vrefresh = 240, },
 	/* 60 - 1280x720@24Hz */
 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
 		   3080, 3300, 0, 720, 725, 730, 750, 0,
-		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	  .vrefresh = 24, },
 	/* 61 - 1280x720@25Hz */
 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
 		   3740, 3960, 0, 720, 725, 730, 750, 0,
-		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	  .vrefresh = 25, },
 	/* 62 - 1280x720@30Hz */
 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
 		   3080, 3300, 0, 720, 725, 730, 750, 0,
-		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	  .vrefresh = 30, },
 	/* 63 - 1920x1080@120Hz */
 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
 		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
-		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	 .vrefresh = 120, },
 	/* 64 - 1920x1080@100Hz */
 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
 		   2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
-		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	 .vrefresh = 100, },
 };
 
 /*** DDC fetch and block validation ***/
@@ -2266,13 +2330,34 @@
  */
 u8 drm_match_cea_mode(const struct drm_display_mode *to_match)
 {
-	struct drm_display_mode *cea_mode;
 	u8 mode;
 
-	for (mode = 0; mode < ARRAY_SIZE(edid_cea_modes); mode++) {
-		cea_mode = (struct drm_display_mode *)&edid_cea_modes[mode];
+	if (!to_match->clock)
+		return 0;
 
-		if (drm_mode_equal(to_match, cea_mode))
+	for (mode = 0; mode < ARRAY_SIZE(edid_cea_modes); mode++) {
+		const struct drm_display_mode *cea_mode = &edid_cea_modes[mode];
+		unsigned int clock1, clock2;
+
+		clock1 = clock2 = cea_mode->clock;
+
+		/* Check both 60Hz and 59.94Hz */
+		if (cea_mode->vrefresh % 6 == 0) {
+			/*
+			 * edid_cea_modes contains the 59.94Hz
+			 * variant for 240 and 480 line modes,
+			 * and the 60Hz variant otherwise.
+			 */
+			if (cea_mode->vdisplay == 240 ||
+			    cea_mode->vdisplay == 480)
+				clock1 = clock1 * 1001 / 1000;
+			else
+				clock2 = DIV_ROUND_UP(clock2 * 1000, 1001);
+		}
+
+		if ((KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock1) ||
+		     KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock2)) &&
+		    drm_mode_equal_no_clocks(to_match, cea_mode))
 			return mode + 1;
 	}
 	return 0;
@@ -2294,6 +2379,7 @@
 			newmode = drm_mode_duplicate(dev,
 						     &edid_cea_modes[cea_mode]);
 			if (newmode) {
+				newmode->vrefresh = 0;
 				drm_mode_probed_add(connector, newmode);
 				modes++;
 			}
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index af779ae..cf919e3 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -205,11 +205,11 @@
 drm_gem_remove_prime_handles(struct drm_gem_object *obj, struct drm_file *filp)
 {
 	if (obj->import_attach) {
-		drm_prime_remove_imported_buf_handle(&filp->prime,
+		drm_prime_remove_buf_handle(&filp->prime,
 				obj->import_attach->dmabuf);
 	}
 	if (obj->export_dma_buf) {
-		drm_prime_remove_imported_buf_handle(&filp->prime,
+		drm_prime_remove_buf_handle(&filp->prime,
 				obj->export_dma_buf);
 	}
 }
diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index 04fa6f1..f264d08 100644
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -848,6 +848,26 @@
 	} else if (mode1->clock != mode2->clock)
 		return false;
 
+	return drm_mode_equal_no_clocks(mode1, mode2);
+}
+EXPORT_SYMBOL(drm_mode_equal);
+
+/**
+ * drm_mode_equal_no_clocks - test modes for equality
+ * @mode1: first mode
+ * @mode2: second mode
+ *
+ * LOCKING:
+ * None.
+ *
+ * Check to see if @mode1 and @mode2 are equivalent, but
+ * don't check the pixel clocks.
+ *
+ * RETURNS:
+ * True if the modes are equal, false otherwise.
+ */
+bool drm_mode_equal_no_clocks(const struct drm_display_mode *mode1, const struct drm_display_mode *mode2)
+{
 	if (mode1->hdisplay == mode2->hdisplay &&
 	    mode1->hsync_start == mode2->hsync_start &&
 	    mode1->hsync_end == mode2->hsync_end &&
@@ -863,7 +883,7 @@
 
 	return false;
 }
-EXPORT_SYMBOL(drm_mode_equal);
+EXPORT_SYMBOL(drm_mode_equal_no_clocks);
 
 /**
  * drm_mode_validate_size - make sure modes adhere to size constraints
diff --git a/drivers/gpu/drm/drm_pci.c b/drivers/gpu/drm/drm_pci.c
index bd719e9..14194b6 100644
--- a/drivers/gpu/drm/drm_pci.c
+++ b/drivers/gpu/drm/drm_pci.c
@@ -152,7 +152,7 @@
 	return pdriver->name;
 }
 
-int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master)
+static int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master)
 {
 	int len, ret;
 	struct pci_driver *pdriver = dev->driver->kdriver.pci;
@@ -194,9 +194,9 @@
 	return ret;
 }
 
-int drm_pci_set_unique(struct drm_device *dev,
-		       struct drm_master *master,
-		       struct drm_unique *u)
+static int drm_pci_set_unique(struct drm_device *dev,
+			      struct drm_master *master,
+			      struct drm_unique *u)
 {
 	int domain, bus, slot, func, ret;
 	const char *bus_name;
@@ -266,7 +266,7 @@
 	return 0;
 }
 
-int drm_pci_agp_init(struct drm_device *dev)
+static int drm_pci_agp_init(struct drm_device *dev)
 {
 	if (drm_core_has_AGP(dev)) {
 		if (drm_pci_device_is_agp(dev))
diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
index 25d0218..dcde352 100644
--- a/drivers/gpu/drm/drm_prime.c
+++ b/drivers/gpu/drm/drm_prime.c
@@ -62,6 +62,7 @@
 	struct dma_buf *dma_buf;
 	uint32_t handle;
 };
+static int drm_prime_add_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t handle);
 
 static struct sg_table *drm_gem_map_dma_buf(struct dma_buf_attachment *attach,
 		enum dma_data_direction dir)
@@ -200,7 +201,8 @@
 {
 	struct drm_gem_object *obj;
 	void *buf;
-	int ret;
+	int ret = 0;
+	struct dma_buf *dmabuf;
 
 	obj = drm_gem_object_lookup(dev, file_priv, handle);
 	if (!obj)
@@ -209,43 +211,44 @@
 	mutex_lock(&file_priv->prime.lock);
 	/* re-export the original imported object */
 	if (obj->import_attach) {
-		get_dma_buf(obj->import_attach->dmabuf);
-		*prime_fd = dma_buf_fd(obj->import_attach->dmabuf, flags);
-		drm_gem_object_unreference_unlocked(obj);
-		mutex_unlock(&file_priv->prime.lock);
-		return 0;
+		dmabuf = obj->import_attach->dmabuf;
+		goto out_have_obj;
 	}
 
 	if (obj->export_dma_buf) {
-		get_dma_buf(obj->export_dma_buf);
-		*prime_fd = dma_buf_fd(obj->export_dma_buf, flags);
-		drm_gem_object_unreference_unlocked(obj);
-	} else {
-		buf = dev->driver->gem_prime_export(dev, obj, flags);
-		if (IS_ERR(buf)) {
-			/* normally the created dma-buf takes ownership of the ref,
-			 * but if that fails then drop the ref
-			 */
-			drm_gem_object_unreference_unlocked(obj);
-			mutex_unlock(&file_priv->prime.lock);
-			return PTR_ERR(buf);
-		}
-		obj->export_dma_buf = buf;
-		*prime_fd = dma_buf_fd(buf, flags);
+		dmabuf = obj->export_dma_buf;
+		goto out_have_obj;
 	}
+
+	buf = dev->driver->gem_prime_export(dev, obj, flags);
+	if (IS_ERR(buf)) {
+		/* normally the created dma-buf takes ownership of the ref,
+		 * but if that fails then drop the ref
+		 */
+		ret = PTR_ERR(buf);
+		goto out;
+	}
+	obj->export_dma_buf = buf;
+
 	/* if we've exported this buffer the cheat and add it to the import list
 	 * so we get the correct handle back
 	 */
-	ret = drm_prime_add_imported_buf_handle(&file_priv->prime,
-			obj->export_dma_buf, handle);
-	if (ret) {
-		drm_gem_object_unreference_unlocked(obj);
-		mutex_unlock(&file_priv->prime.lock);
-		return ret;
-	}
+	ret = drm_prime_add_buf_handle(&file_priv->prime,
+				       obj->export_dma_buf, handle);
+	if (ret)
+		goto out;
 
+	*prime_fd = dma_buf_fd(buf, flags);
 	mutex_unlock(&file_priv->prime.lock);
 	return 0;
+
+out_have_obj:
+	get_dma_buf(dmabuf);
+	*prime_fd = dma_buf_fd(dmabuf, flags);
+out:
+	drm_gem_object_unreference_unlocked(obj);
+	mutex_unlock(&file_priv->prime.lock);
+	return ret;
 }
 EXPORT_SYMBOL(drm_gem_prime_handle_to_fd);
 
@@ -268,7 +271,6 @@
 			 * refcount on gem itself instead of f_count of dmabuf.
 			 */
 			drm_gem_object_reference(obj);
-			dma_buf_put(dma_buf);
 			return obj;
 		}
 	}
@@ -277,6 +279,8 @@
 	if (IS_ERR(attach))
 		return ERR_PTR(PTR_ERR(attach));
 
+	get_dma_buf(dma_buf);
+
 	sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL);
 	if (IS_ERR_OR_NULL(sgt)) {
 		ret = PTR_ERR(sgt);
@@ -297,6 +301,8 @@
 	dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL);
 fail_detach:
 	dma_buf_detach(dma_buf, attach);
+	dma_buf_put(dma_buf);
+
 	return ERR_PTR(ret);
 }
 EXPORT_SYMBOL(drm_gem_prime_import);
@@ -314,7 +320,7 @@
 
 	mutex_lock(&file_priv->prime.lock);
 
-	ret = drm_prime_lookup_imported_buf_handle(&file_priv->prime,
+	ret = drm_prime_lookup_buf_handle(&file_priv->prime,
 			dma_buf, handle);
 	if (!ret) {
 		ret = 0;
@@ -333,12 +339,15 @@
 	if (ret)
 		goto out_put;
 
-	ret = drm_prime_add_imported_buf_handle(&file_priv->prime,
+	ret = drm_prime_add_buf_handle(&file_priv->prime,
 			dma_buf, *handle);
 	if (ret)
 		goto fail;
 
 	mutex_unlock(&file_priv->prime.lock);
+
+	dma_buf_put(dma_buf);
+
 	return 0;
 
 fail:
@@ -479,15 +488,12 @@
 
 void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv)
 {
-	struct drm_prime_member *member, *safe;
-	list_for_each_entry_safe(member, safe, &prime_fpriv->head, entry) {
-		list_del(&member->entry);
-		kfree(member);
-	}
+	/* by now drm_gem_release should've made sure the list is empty */
+	WARN_ON(!list_empty(&prime_fpriv->head));
 }
 EXPORT_SYMBOL(drm_prime_destroy_file_private);
 
-int drm_prime_add_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t handle)
+static int drm_prime_add_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t handle)
 {
 	struct drm_prime_member *member;
 
@@ -495,14 +501,14 @@
 	if (!member)
 		return -ENOMEM;
 
+	get_dma_buf(dma_buf);
 	member->dma_buf = dma_buf;
 	member->handle = handle;
 	list_add(&member->entry, &prime_fpriv->head);
 	return 0;
 }
-EXPORT_SYMBOL(drm_prime_add_imported_buf_handle);
 
-int drm_prime_lookup_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t *handle)
+int drm_prime_lookup_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t *handle)
 {
 	struct drm_prime_member *member;
 
@@ -514,19 +520,20 @@
 	}
 	return -ENOENT;
 }
-EXPORT_SYMBOL(drm_prime_lookup_imported_buf_handle);
+EXPORT_SYMBOL(drm_prime_lookup_buf_handle);
 
-void drm_prime_remove_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf)
+void drm_prime_remove_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf)
 {
 	struct drm_prime_member *member, *safe;
 
 	mutex_lock(&prime_fpriv->lock);
 	list_for_each_entry_safe(member, safe, &prime_fpriv->head, entry) {
 		if (member->dma_buf == dma_buf) {
+			dma_buf_put(dma_buf);
 			list_del(&member->entry);
 			kfree(member);
 		}
 	}
 	mutex_unlock(&prime_fpriv->lock);
 }
-EXPORT_SYMBOL(drm_prime_remove_imported_buf_handle);
+EXPORT_SYMBOL(drm_prime_remove_buf_handle);
diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig
index 406f32a..772c62a 100644
--- a/drivers/gpu/drm/exynos/Kconfig
+++ b/drivers/gpu/drm/exynos/Kconfig
@@ -25,8 +25,8 @@
 config DRM_EXYNOS_FIMD
 	bool "Exynos DRM FIMD"
 	depends on OF && DRM_EXYNOS && !FB_S3C && !ARCH_MULTIPLATFORM
-	select OF_VIDEOMODE
 	select FB_MODE_HELPERS
+	select VIDEOMODE_HELPERS
 	help
 	  Choose this option if you want to use Exynos FIMD for DRM.
 
@@ -56,7 +56,7 @@
 
 config DRM_EXYNOS_FIMC
 	bool "Exynos DRM FIMC"
-	depends on DRM_EXYNOS_IPP
+	depends on DRM_EXYNOS_IPP && MFD_SYSCON && OF
 	help
 	  Choose this option if you want to use Exynos FIMC for DRM.
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
index ba0a3aa..ff7f2a8 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
@@ -235,7 +235,6 @@
 			 * refcount on gem itself instead of f_count of dmabuf.
 			 */
 			drm_gem_object_reference(obj);
-			dma_buf_put(dma_buf);
 			return obj;
 		}
 	}
@@ -244,6 +243,7 @@
 	if (IS_ERR(attach))
 		return ERR_PTR(-EINVAL);
 
+	get_dma_buf(dma_buf);
 
 	sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL);
 	if (IS_ERR_OR_NULL(sgt)) {
@@ -298,6 +298,8 @@
 	dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL);
 err_buf_detach:
 	dma_buf_detach(dma_buf, attach);
+	dma_buf_put(dma_buf);
+
 	return ERR_PTR(ret);
 }
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index 3da5c2d..ba6d995 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -380,6 +380,10 @@
 	ret = platform_driver_register(&ipp_driver);
 	if (ret < 0)
 		goto out_ipp;
+
+	ret = exynos_platform_device_ipp_register();
+	if (ret < 0)
+		goto out_ipp_dev;
 #endif
 
 	ret = platform_driver_register(&exynos_drm_platform_driver);
@@ -388,7 +392,7 @@
 
 	exynos_drm_pdev = platform_device_register_simple("exynos-drm", -1,
 				NULL, 0);
-	if (IS_ERR_OR_NULL(exynos_drm_pdev)) {
+	if (IS_ERR(exynos_drm_pdev)) {
 		ret = PTR_ERR(exynos_drm_pdev);
 		goto out;
 	}
@@ -400,6 +404,8 @@
 
 out_drm:
 #ifdef CONFIG_DRM_EXYNOS_IPP
+	exynos_platform_device_ipp_unregister();
+out_ipp_dev:
 	platform_driver_unregister(&ipp_driver);
 out_ipp:
 #endif
@@ -456,6 +462,7 @@
 	platform_driver_unregister(&exynos_drm_platform_driver);
 
 #ifdef CONFIG_DRM_EXYNOS_IPP
+	exynos_platform_device_ipp_unregister();
 	platform_driver_unregister(&ipp_driver);
 #endif
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index 4606fac7..680a7c1 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -322,13 +322,23 @@
  * this function registers exynos drm hdmi platform device. It ensures only one
  * instance of the device is created.
  */
-extern int exynos_platform_device_hdmi_register(void);
+int exynos_platform_device_hdmi_register(void);
 
 /*
  * this function unregisters exynos drm hdmi platform device if it exists.
  */
 void exynos_platform_device_hdmi_unregister(void);
 
+/*
+ * this function registers exynos drm ipp platform device.
+ */
+int exynos_platform_device_ipp_register(void);
+
+/*
+ * this function unregisters exynos drm ipp platform device if it exists.
+ */
+void exynos_platform_device_ipp_unregister(void);
+
 extern struct platform_driver fimd_driver;
 extern struct platform_driver hdmi_driver;
 extern struct platform_driver mixer_driver;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
index 411f69b7..773f583 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
@@ -12,11 +12,12 @@
  *
  */
 #include <linux/kernel.h>
+#include <linux/mfd/syscon.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
+#include <linux/regmap.h>
 #include <linux/clk.h>
 #include <linux/pm_runtime.h>
-#include <plat/map-base.h>
 
 #include <drm/drmP.h>
 #include <drm/exynos_drm.h>
@@ -76,6 +77,27 @@
 	FIMC_WB_B,
 };
 
+enum {
+	FIMC_CLK_LCLK,
+	FIMC_CLK_GATE,
+	FIMC_CLK_WB_A,
+	FIMC_CLK_WB_B,
+	FIMC_CLK_MUX,
+	FIMC_CLK_PARENT,
+	FIMC_CLKS_MAX
+};
+
+static const char * const fimc_clock_names[] = {
+	[FIMC_CLK_LCLK]   = "sclk_fimc",
+	[FIMC_CLK_GATE]   = "fimc",
+	[FIMC_CLK_WB_A]   = "pxl_async0",
+	[FIMC_CLK_WB_B]   = "pxl_async1",
+	[FIMC_CLK_MUX]    = "mux",
+	[FIMC_CLK_PARENT] = "parent",
+};
+
+#define FIMC_DEFAULT_LCLK_FREQUENCY 133000000UL
+
 /*
  * A structure of scaler.
  *
@@ -119,28 +141,16 @@
 };
 
 /*
- * A structure of fimc driver data.
- *
- * @parent_clk: name of parent clock.
- */
-struct fimc_driverdata {
-	char	*parent_clk;
-};
-
-/*
  * A structure of fimc context.
  *
  * @ippdrv: prepare initialization using ippdrv.
  * @regs_res: register resources.
  * @regs: memory mapped io registers.
  * @lock: locking of operations.
- * @sclk_fimc_clk: fimc source clock.
- * @fimc_clk: fimc clock.
- * @wb_clk: writeback a clock.
- * @wb_b_clk: writeback b clock.
+ * @clocks: fimc clocks.
+ * @clk_frequency: LCLK clock frequency.
+ * @sysreg: handle to SYSREG block regmap.
  * @sc: scaler infomations.
- * @odr: ordering of YUV.
- * @ver: fimc version.
  * @pol: porarity of writeback.
  * @id: fimc id.
  * @irq: irq number.
@@ -151,12 +161,10 @@
 	struct resource	*regs_res;
 	void __iomem	*regs;
 	struct mutex	lock;
-	struct clk	*sclk_fimc_clk;
-	struct clk	*fimc_clk;
-	struct clk	*wb_clk;
-	struct clk	*wb_b_clk;
+	struct clk	*clocks[FIMC_CLKS_MAX];
+	u32		clk_frequency;
+	struct regmap	*sysreg;
 	struct fimc_scaler	sc;
-	struct fimc_driverdata	*ddata;
 	struct exynos_drm_ipp_pol	pol;
 	int	id;
 	int	irq;
@@ -200,17 +208,13 @@
 	fimc_write(0x0, EXYNOS_CIFCNTSEQ);
 }
 
-static void fimc_set_camblk_fimd0_wb(struct fimc_context *ctx)
+static int fimc_set_camblk_fimd0_wb(struct fimc_context *ctx)
 {
-	u32 camblk_cfg;
-
 	DRM_DEBUG_KMS("%s\n", __func__);
 
-	camblk_cfg = readl(SYSREG_CAMERA_BLK);
-	camblk_cfg &= ~(SYSREG_FIMD0WB_DEST_MASK);
-	camblk_cfg |= ctx->id << (SYSREG_FIMD0WB_DEST_SHIFT);
-
-	writel(camblk_cfg, SYSREG_CAMERA_BLK);
+	return regmap_update_bits(ctx->sysreg, SYSREG_CAMERA_BLK,
+				  SYSREG_FIMD0WB_DEST_MASK,
+				  ctx->id << SYSREG_FIMD0WB_DEST_SHIFT);
 }
 
 static void fimc_set_type_ctrl(struct fimc_context *ctx, enum fimc_wb wb)
@@ -1301,14 +1305,12 @@
 	DRM_DEBUG_KMS("%s:enable[%d]\n", __func__, enable);
 
 	if (enable) {
-		clk_enable(ctx->sclk_fimc_clk);
-		clk_enable(ctx->fimc_clk);
-		clk_enable(ctx->wb_clk);
+		clk_prepare_enable(ctx->clocks[FIMC_CLK_GATE]);
+		clk_prepare_enable(ctx->clocks[FIMC_CLK_WB_A]);
 		ctx->suspended = false;
 	} else {
-		clk_disable(ctx->sclk_fimc_clk);
-		clk_disable(ctx->fimc_clk);
-		clk_disable(ctx->wb_clk);
+		clk_disable_unprepare(ctx->clocks[FIMC_CLK_GATE]);
+		clk_disable_unprepare(ctx->clocks[FIMC_CLK_WB_A]);
 		ctx->suspended = true;
 	}
 
@@ -1613,7 +1615,11 @@
 		fimc_handle_lastend(ctx, true);
 
 		/* setup FIMD */
-		fimc_set_camblk_fimd0_wb(ctx);
+		ret = fimc_set_camblk_fimd0_wb(ctx);
+		if (ret < 0) {
+			dev_err(dev, "camblk setup failed.\n");
+			return ret;
+		}
 
 		set_wb.enable = 1;
 		set_wb.refresh = property->refresh_rate;
@@ -1713,75 +1719,117 @@
 	fimc_write(cfg, EXYNOS_CIGCTRL);
 }
 
+static void fimc_put_clocks(struct fimc_context *ctx)
+{
+	int i;
+
+	for (i = 0; i < FIMC_CLKS_MAX; i++) {
+		if (IS_ERR(ctx->clocks[i]))
+			continue;
+		clk_put(ctx->clocks[i]);
+		ctx->clocks[i] = ERR_PTR(-EINVAL);
+	}
+}
+
+static int fimc_setup_clocks(struct fimc_context *ctx)
+{
+	struct device *fimc_dev = ctx->ippdrv.dev;
+	struct device *dev;
+	int ret, i;
+
+	for (i = 0; i < FIMC_CLKS_MAX; i++)
+		ctx->clocks[i] = ERR_PTR(-EINVAL);
+
+	for (i = 0; i < FIMC_CLKS_MAX; i++) {
+		if (i == FIMC_CLK_WB_A || i == FIMC_CLK_WB_B)
+			dev = fimc_dev->parent;
+		else
+			dev = fimc_dev;
+
+		ctx->clocks[i] = clk_get(dev, fimc_clock_names[i]);
+		if (IS_ERR(ctx->clocks[i])) {
+			if (i >= FIMC_CLK_MUX)
+				break;
+			ret = PTR_ERR(ctx->clocks[i]);
+			dev_err(fimc_dev, "failed to get clock: %s\n",
+						fimc_clock_names[i]);
+			goto e_clk_free;
+		}
+	}
+
+	/* Optional FIMC LCLK parent clock setting */
+	if (!IS_ERR(ctx->clocks[FIMC_CLK_PARENT])) {
+		ret = clk_set_parent(ctx->clocks[FIMC_CLK_MUX],
+				     ctx->clocks[FIMC_CLK_PARENT]);
+		if (ret < 0) {
+			dev_err(fimc_dev, "failed to set parent.\n");
+			goto e_clk_free;
+		}
+	}
+
+	ret = clk_set_rate(ctx->clocks[FIMC_CLK_LCLK], ctx->clk_frequency);
+	if (ret < 0)
+		goto e_clk_free;
+
+	ret = clk_prepare_enable(ctx->clocks[FIMC_CLK_LCLK]);
+	if (!ret)
+		return ret;
+e_clk_free:
+	fimc_put_clocks(ctx);
+	return ret;
+}
+
+static int fimc_parse_dt(struct fimc_context *ctx)
+{
+	struct device_node *node = ctx->ippdrv.dev->of_node;
+
+	/* Handle only devices that support the LCD Writeback data path */
+	if (!of_property_read_bool(node, "samsung,lcd-wb"))
+		return -ENODEV;
+
+	if (of_property_read_u32(node, "clock-frequency",
+					&ctx->clk_frequency))
+		ctx->clk_frequency = FIMC_DEFAULT_LCLK_FREQUENCY;
+
+	ctx->id = of_alias_get_id(node, "fimc");
+
+	if (ctx->id < 0) {
+		dev_err(ctx->ippdrv.dev, "failed to get node alias id.\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
 static int fimc_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct fimc_context *ctx;
-	struct clk	*parent_clk;
 	struct resource *res;
 	struct exynos_drm_ippdrv *ippdrv;
-	struct exynos_drm_fimc_pdata *pdata;
-	struct fimc_driverdata *ddata;
 	int ret;
 
-	pdata = pdev->dev.platform_data;
-	if (!pdata) {
-		dev_err(dev, "no platform data specified.\n");
-		return -EINVAL;
+	if (!dev->of_node) {
+		dev_err(dev, "device tree node not found.\n");
+		return -ENODEV;
 	}
 
 	ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
 	if (!ctx)
 		return -ENOMEM;
 
-	ddata = (struct fimc_driverdata *)
-		platform_get_device_id(pdev)->driver_data;
+	ctx->ippdrv.dev = dev;
 
-	/* clock control */
-	ctx->sclk_fimc_clk = devm_clk_get(dev, "sclk_fimc");
-	if (IS_ERR(ctx->sclk_fimc_clk)) {
-		dev_err(dev, "failed to get src fimc clock.\n");
-		return PTR_ERR(ctx->sclk_fimc_clk);
+	ret = fimc_parse_dt(ctx);
+	if (ret < 0)
+		return ret;
+
+	ctx->sysreg = syscon_regmap_lookup_by_phandle(dev->of_node,
+						"samsung,sysreg");
+	if (IS_ERR(ctx->sysreg)) {
+		dev_err(dev, "syscon regmap lookup failed.\n");
+		return PTR_ERR(ctx->sysreg);
 	}
-	clk_enable(ctx->sclk_fimc_clk);
-
-	ctx->fimc_clk = devm_clk_get(dev, "fimc");
-	if (IS_ERR(ctx->fimc_clk)) {
-		dev_err(dev, "failed to get fimc clock.\n");
-		clk_disable(ctx->sclk_fimc_clk);
-		return PTR_ERR(ctx->fimc_clk);
-	}
-
-	ctx->wb_clk = devm_clk_get(dev, "pxl_async0");
-	if (IS_ERR(ctx->wb_clk)) {
-		dev_err(dev, "failed to get writeback a clock.\n");
-		clk_disable(ctx->sclk_fimc_clk);
-		return PTR_ERR(ctx->wb_clk);
-	}
-
-	ctx->wb_b_clk = devm_clk_get(dev, "pxl_async1");
-	if (IS_ERR(ctx->wb_b_clk)) {
-		dev_err(dev, "failed to get writeback b clock.\n");
-		clk_disable(ctx->sclk_fimc_clk);
-		return PTR_ERR(ctx->wb_b_clk);
-	}
-
-	parent_clk = devm_clk_get(dev, ddata->parent_clk);
-
-	if (IS_ERR(parent_clk)) {
-		dev_err(dev, "failed to get parent clock.\n");
-		clk_disable(ctx->sclk_fimc_clk);
-		return PTR_ERR(parent_clk);
-	}
-
-	if (clk_set_parent(ctx->sclk_fimc_clk, parent_clk)) {
-		dev_err(dev, "failed to set parent.\n");
-		clk_disable(ctx->sclk_fimc_clk);
-		return -EINVAL;
-	}
-
-	devm_clk_put(dev, parent_clk);
-	clk_set_rate(ctx->sclk_fimc_clk, pdata->clk_rate);
 
 	/* resource memory */
 	ctx->regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -1804,13 +1852,11 @@
 		return ret;
 	}
 
-	/* context initailization */
-	ctx->id = pdev->id;
-	ctx->pol = pdata->pol;
-	ctx->ddata = ddata;
+	ret = fimc_setup_clocks(ctx);
+	if (ret < 0)
+		goto err_free_irq;
 
 	ippdrv = &ctx->ippdrv;
-	ippdrv->dev = dev;
 	ippdrv->ops[EXYNOS_DRM_OPS_SRC] = &fimc_src_ops;
 	ippdrv->ops[EXYNOS_DRM_OPS_DST] = &fimc_dst_ops;
 	ippdrv->check_property = fimc_ippdrv_check_property;
@@ -1820,7 +1866,7 @@
 	ret = fimc_init_prop_list(ippdrv);
 	if (ret < 0) {
 		dev_err(dev, "failed to init property list.\n");
-		goto err_get_irq;
+		goto err_put_clk;
 	}
 
 	DRM_DEBUG_KMS("%s:id[%d]ippdrv[0x%x]\n", __func__, ctx->id,
@@ -1835,17 +1881,18 @@
 	ret = exynos_drm_ippdrv_register(ippdrv);
 	if (ret < 0) {
 		dev_err(dev, "failed to register drm fimc device.\n");
-		goto err_ippdrv_register;
+		goto err_pm_dis;
 	}
 
 	dev_info(&pdev->dev, "drm fimc registered successfully.\n");
 
 	return 0;
 
-err_ippdrv_register:
-	devm_kfree(dev, ippdrv->prop_list);
+err_pm_dis:
 	pm_runtime_disable(dev);
-err_get_irq:
+err_put_clk:
+	fimc_put_clocks(ctx);
+err_free_irq:
 	free_irq(ctx->irq, ctx);
 
 	return ret;
@@ -1857,10 +1904,10 @@
 	struct fimc_context *ctx = get_fimc_context(dev);
 	struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
 
-	devm_kfree(dev, ippdrv->prop_list);
 	exynos_drm_ippdrv_unregister(ippdrv);
 	mutex_destroy(&ctx->lock);
 
+	fimc_put_clocks(ctx);
 	pm_runtime_set_suspended(dev);
 	pm_runtime_disable(dev);
 
@@ -1915,36 +1962,22 @@
 }
 #endif
 
-static struct fimc_driverdata exynos4210_fimc_data = {
-	.parent_clk = "mout_mpll",
-};
-
-static struct fimc_driverdata exynos4410_fimc_data = {
-	.parent_clk = "mout_mpll_user",
-};
-
-static struct platform_device_id fimc_driver_ids[] = {
-	{
-		.name		= "exynos4210-fimc",
-		.driver_data	= (unsigned long)&exynos4210_fimc_data,
-	}, {
-		.name		= "exynos4412-fimc",
-		.driver_data	= (unsigned long)&exynos4410_fimc_data,
-	},
-	{},
-};
-MODULE_DEVICE_TABLE(platform, fimc_driver_ids);
-
 static const struct dev_pm_ops fimc_pm_ops = {
 	SET_SYSTEM_SLEEP_PM_OPS(fimc_suspend, fimc_resume)
 	SET_RUNTIME_PM_OPS(fimc_runtime_suspend, fimc_runtime_resume, NULL)
 };
 
+static const struct of_device_id fimc_of_match[] = {
+	{ .compatible = "samsung,exynos4210-fimc" },
+	{ .compatible = "samsung,exynos4212-fimc" },
+	{ },
+};
+
 struct platform_driver fimc_driver = {
 	.probe		= fimc_probe,
 	.remove		= fimc_remove,
-	.id_table	= fimc_driver_ids,
 	.driver		= {
+		.of_match_table = fimc_of_match,
 		.name	= "exynos-drm-fimc",
 		.owner	= THIS_MODULE,
 		.pm	= &fimc_pm_ops,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 15e58f5..746b282 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -801,18 +801,18 @@
 	if (enable) {
 		int ret;
 
-		ret = clk_enable(ctx->bus_clk);
+		ret = clk_prepare_enable(ctx->bus_clk);
 		if (ret < 0)
 			return ret;
 
-		ret = clk_enable(ctx->lcd_clk);
+		ret = clk_prepare_enable(ctx->lcd_clk);
 		if  (ret < 0) {
-			clk_disable(ctx->bus_clk);
+			clk_disable_unprepare(ctx->bus_clk);
 			return ret;
 		}
 	} else {
-		clk_disable(ctx->lcd_clk);
-		clk_disable(ctx->bus_clk);
+		clk_disable_unprepare(ctx->lcd_clk);
+		clk_disable_unprepare(ctx->bus_clk);
 	}
 
 	return 0;
@@ -949,16 +949,6 @@
 		return ret;
 	}
 
-	ret = clk_prepare(ctx->bus_clk);
-	if (ret < 0)
-		return ret;
-
-	ret = clk_prepare(ctx->lcd_clk);
-	if  (ret < 0) {
-		clk_unprepare(ctx->bus_clk);
-		return ret;
-	}
-
 	ctx->vidcon0 = pdata->vidcon0;
 	ctx->vidcon1 = pdata->vidcon1;
 	ctx->default_win = pdata->default_win;
@@ -1006,9 +996,6 @@
 	if (ctx->suspended)
 		goto out;
 
-	clk_unprepare(ctx->lcd_clk);
-	clk_unprepare(ctx->bus_clk);
-
 	pm_runtime_set_suspended(dev);
 	pm_runtime_put_sync(dev);
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index 0e6fe00..cf4543f 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
@@ -682,7 +682,8 @@
 	args->pitch = args->width * ((args->bpp + 7) / 8);
 	args->size = args->pitch * args->height;
 
-	exynos_gem_obj = exynos_drm_gem_create(dev, args->flags, args->size);
+	exynos_gem_obj = exynos_drm_gem_create(dev, EXYNOS_BO_CONTIG |
+						EXYNOS_BO_WC, args->size);
 	if (IS_ERR(exynos_gem_obj))
 		return PTR_ERR(exynos_gem_obj);
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
index 5285509..ba2f0f1 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
@@ -51,21 +51,27 @@
 
 int exynos_platform_device_hdmi_register(void)
 {
+	struct platform_device *pdev;
+
 	if (exynos_drm_hdmi_pdev)
 		return -EEXIST;
 
-	exynos_drm_hdmi_pdev = platform_device_register_simple(
+	pdev = platform_device_register_simple(
 			"exynos-drm-hdmi", -1, NULL, 0);
-	if (IS_ERR_OR_NULL(exynos_drm_hdmi_pdev))
-		return PTR_ERR(exynos_drm_hdmi_pdev);
+	if (IS_ERR(pdev))
+		return PTR_ERR(pdev);
+
+	exynos_drm_hdmi_pdev = pdev;
 
 	return 0;
 }
 
 void exynos_platform_device_hdmi_unregister(void)
 {
-	if (exynos_drm_hdmi_pdev)
+	if (exynos_drm_hdmi_pdev) {
 		platform_device_unregister(exynos_drm_hdmi_pdev);
+		exynos_drm_hdmi_pdev = NULL;
+	}
 }
 
 void exynos_hdmi_drv_attach(struct exynos_drm_hdmi_context *ctx)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c b/drivers/gpu/drm/exynos/exynos_drm_ipp.c
index 1adce07..29d2ad3 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_ipp.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.c
@@ -47,6 +47,9 @@
 #define get_ipp_context(dev)	platform_get_drvdata(to_platform_device(dev))
 #define ipp_is_m2m_cmd(c)	(c == IPP_CMD_M2M)
 
+/* platform device pointer for ipp device. */
+static struct platform_device *exynos_drm_ipp_pdev;
+
 /*
  * A structure of event.
  *
@@ -102,6 +105,30 @@
 static DEFINE_MUTEX(exynos_drm_ippdrv_lock);
 static BLOCKING_NOTIFIER_HEAD(exynos_drm_ippnb_list);
 
+int exynos_platform_device_ipp_register(void)
+{
+	struct platform_device *pdev;
+
+	if (exynos_drm_ipp_pdev)
+		return -EEXIST;
+
+	pdev = platform_device_register_simple("exynos-drm-ipp", -1, NULL, 0);
+	if (IS_ERR(pdev))
+		return PTR_ERR(pdev);
+
+	exynos_drm_ipp_pdev = pdev;
+
+	return 0;
+}
+
+void exynos_platform_device_ipp_unregister(void)
+{
+	if (exynos_drm_ipp_pdev) {
+		platform_device_unregister(exynos_drm_ipp_pdev);
+		exynos_drm_ipp_pdev = NULL;
+	}
+}
+
 int exynos_drm_ippdrv_register(struct exynos_drm_ippdrv *ippdrv)
 {
 	DRM_DEBUG_KMS("%s\n", __func__);
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 93b70e9..bbfc384 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -1373,11 +1373,10 @@
 		return;
 	}
 
-	if (hdata->type == HDMI_TYPE13) {
+	if (hdata->type == HDMI_TYPE13)
 		hdmiphy_data = hdmiphy_v13_configs[i].conf;
-	} else {
+	else
 		hdmiphy_data = hdmiphy_v14_configs[i].conf;
-	}
 
 	memcpy(buffer, hdmiphy_data, 32);
 	ret = i2c_master_send(hdata->hdmiphy_port, buffer, 32);
@@ -1653,11 +1652,10 @@
 		m->vrefresh, (m->flags & DRM_MODE_FLAG_INTERLACE) ?
 		"INTERLACED" : "PROGERESSIVE");
 
-	if (hdata->type == HDMI_TYPE13) {
+	if (hdata->type == HDMI_TYPE13)
 		hdmi_v13_mode_set(hdata, mode);
-	} else {
+	else
 		hdmi_v14_mode_set(hdata, mode);
-	}
 }
 
 static void hdmi_get_max_resol(void *ctx, unsigned int *width,
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index f08e251..ec3e376 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -643,12 +643,14 @@
 	/* setting graphical layers */
 	val  = MXR_GRP_CFG_COLOR_KEY_DISABLE; /* no blank key */
 	val |= MXR_GRP_CFG_WIN_BLEND_EN;
-	val |= MXR_GRP_CFG_BLEND_PRE_MUL;
-	val |= MXR_GRP_CFG_PIXEL_BLEND_EN;
 	val |= MXR_GRP_CFG_ALPHA_VAL(0xff); /* non-transparent alpha */
 
-	/* the same configuration for both layers */
+	/* Don't blend layer 0 onto the mixer background */
 	mixer_reg_write(res, MXR_GRAPHIC_CFG(0), val);
+
+	/* Blend layer 1 into layer 0 */
+	val |= MXR_GRP_CFG_BLEND_PRE_MUL;
+	val |= MXR_GRP_CFG_PIXEL_BLEND_EN;
 	mixer_reg_write(res, MXR_GRAPHIC_CFG(1), val);
 
 	/* setting video layers */
diff --git a/drivers/gpu/drm/exynos/regs-fimc.h b/drivers/gpu/drm/exynos/regs-fimc.h
index b4f9ca1..3049613 100644
--- a/drivers/gpu/drm/exynos/regs-fimc.h
+++ b/drivers/gpu/drm/exynos/regs-fimc.h
@@ -661,9 +661,8 @@
 #define EXYNOS_CLKSRC_SCLK				(1 << 1)
 
 /* SYSREG for FIMC writeback */
-#define SYSREG_CAMERA_BLK			(S3C_VA_SYS + 0x0218)
-#define SYSREG_ISP_BLK				(S3C_VA_SYS + 0x020c)
-#define SYSREG_FIMD0WB_DEST_MASK	(0x3 << 23)
-#define SYSREG_FIMD0WB_DEST_SHIFT	23
+#define SYSREG_CAMERA_BLK			(0x0218)
+#define SYSREG_FIMD0WB_DEST_MASK		(0x3 << 23)
+#define SYSREG_FIMD0WB_DEST_SHIFT		23
 
 #endif /* EXYNOS_REGS_FIMC_H */
diff --git a/drivers/gpu/drm/i915/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/i915_gem_dmabuf.c
index c6dfc14..dc53a52 100644
--- a/drivers/gpu/drm/i915/i915_gem_dmabuf.c
+++ b/drivers/gpu/drm/i915/i915_gem_dmabuf.c
@@ -129,7 +129,7 @@
 		goto error;
 
 	i = 0;
-	for_each_sg_page(obj->pages->sgl, &sg_iter, obj->pages->nents, 0);
+	for_each_sg_page(obj->pages->sgl, &sg_iter, obj->pages->nents, 0)
 		pages[i++] = sg_page_iter_page(&sg_iter);
 
 	obj->dma_buf_vmapping = vmap(pages, i, 0, PAGE_KERNEL);
@@ -272,7 +272,6 @@
 			 * refcount on gem itself instead of f_count of dmabuf.
 			 */
 			drm_gem_object_reference(&obj->base);
-			dma_buf_put(dma_buf);
 			return &obj->base;
 		}
 	}
@@ -282,6 +281,8 @@
 	if (IS_ERR(attach))
 		return ERR_CAST(attach);
 
+	get_dma_buf(dma_buf);
+
 	obj = i915_gem_object_alloc(dev);
 	if (obj == NULL) {
 		ret = -ENOMEM;
@@ -301,5 +302,7 @@
 
 fail_detach:
 	dma_buf_detach(dma_buf, attach);
+	dma_buf_put(dma_buf);
+
 	return ERR_PTR(ret);
 }
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 50df194..dca614d 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -233,8 +233,7 @@
 	/* ppgtt PDEs reside in the global gtt pagetable, which has 512*1024
 	 * entries. For aliasing ppgtt support we just steal them at the end for
 	 * now. */
-	first_pd_entry_in_global_pt =
-		gtt_total_entries(dev_priv->gtt) - I915_PPGTT_PD_ENTRIES;
+       first_pd_entry_in_global_pt = gtt_total_entries(dev_priv->gtt);
 
 	ppgtt->num_pd_entries = I915_PPGTT_PD_ENTRIES;
 	ppgtt->enable = gen6_ppgtt_enable;
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 31de7e4..83f9c26 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2652,14 +2652,14 @@
 #define _PIPEB_GMCH_DATA_M			0x71050
 
 /* Transfer unit size for display port - 1, default is 0x3f (for TU size 64) */
-#define   PIPE_GMCH_DATA_M_TU_SIZE_MASK		(0x3f << 25)
-#define   PIPE_GMCH_DATA_M_TU_SIZE_SHIFT	25
+#define  TU_SIZE(x)             (((x)-1) << 25) /* default size 64 */
+#define  TU_SIZE_MASK           (0x3f << 25)
 
-#define   PIPE_GMCH_DATA_M_MASK			(0xffffff)
+#define  DATA_LINK_M_N_MASK	(0xffffff)
+#define  DATA_LINK_N_MAX	(0x800000)
 
 #define _PIPEA_GMCH_DATA_N			0x70054
 #define _PIPEB_GMCH_DATA_N			0x71054
-#define   PIPE_GMCH_DATA_N_MASK			(0xffffff)
 
 /*
  * Computing Link M and N values for the Display Port link
@@ -2674,11 +2674,9 @@
 
 #define _PIPEA_DP_LINK_M				0x70060
 #define _PIPEB_DP_LINK_M				0x71060
-#define   PIPEA_DP_LINK_M_MASK			(0xffffff)
 
 #define _PIPEA_DP_LINK_N				0x70064
 #define _PIPEB_DP_LINK_N				0x71064
-#define   PIPEA_DP_LINK_N_MASK			(0xffffff)
 
 #define PIPE_GMCH_DATA_M(pipe) _PIPE(pipe, _PIPEA_GMCH_DATA_M, _PIPEB_GMCH_DATA_M)
 #define PIPE_GMCH_DATA_N(pipe) _PIPE(pipe, _PIPEA_GMCH_DATA_N, _PIPEB_GMCH_DATA_N)
@@ -3404,8 +3402,6 @@
 
 
 #define _PIPEA_DATA_M1           (dev_priv->info->display_mmio_offset + 0x60030)
-#define  TU_SIZE(x)             (((x)-1) << 25) /* default size 64 */
-#define  TU_SIZE_MASK           0x7e000000
 #define  PIPE_DATA_M1_OFFSET    0
 #define _PIPEA_DATA_N1           (dev_priv->info->display_mmio_offset + 0x60034)
 #define  PIPE_DATA_N1_OFFSET    0
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 6e423e0..efe8299 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4084,26 +4084,36 @@
 }
 
 static void
-intel_reduce_ratio(uint32_t *num, uint32_t *den)
+intel_reduce_m_n_ratio(uint32_t *num, uint32_t *den)
 {
-	while (*num > 0xffffff || *den > 0xffffff) {
+	while (*num > DATA_LINK_M_N_MASK ||
+	       *den > DATA_LINK_M_N_MASK) {
 		*num >>= 1;
 		*den >>= 1;
 	}
 }
 
+static void compute_m_n(unsigned int m, unsigned int n,
+			uint32_t *ret_m, uint32_t *ret_n)
+{
+	*ret_n = min_t(unsigned int, roundup_pow_of_two(n), DATA_LINK_N_MAX);
+	*ret_m = div_u64((uint64_t) m * *ret_n, n);
+	intel_reduce_m_n_ratio(ret_m, ret_n);
+}
+
 void
 intel_link_compute_m_n(int bits_per_pixel, int nlanes,
 		       int pixel_clock, int link_clock,
 		       struct intel_link_m_n *m_n)
 {
 	m_n->tu = 64;
-	m_n->gmch_m = bits_per_pixel * pixel_clock;
-	m_n->gmch_n = link_clock * nlanes * 8;
-	intel_reduce_ratio(&m_n->gmch_m, &m_n->gmch_n);
-	m_n->link_m = pixel_clock;
-	m_n->link_n = link_clock;
-	intel_reduce_ratio(&m_n->link_m, &m_n->link_n);
+
+	compute_m_n(bits_per_pixel * pixel_clock,
+		    link_clock * nlanes * 8,
+		    &m_n->gmch_m, &m_n->gmch_n);
+
+	compute_m_n(pixel_clock, link_clock,
+		    &m_n->link_m, &m_n->link_n);
 }
 
 static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv)
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index a328837..91ca291 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2428,6 +2428,9 @@
 	}
 
 	if (property == dev_priv->broadcast_rgb_property) {
+		bool old_auto = intel_dp->color_range_auto;
+		uint32_t old_range = intel_dp->color_range;
+
 		switch (val) {
 		case INTEL_BROADCAST_RGB_AUTO:
 			intel_dp->color_range_auto = true;
@@ -2443,6 +2446,11 @@
 		default:
 			return -EINVAL;
 		}
+
+		if (old_auto == intel_dp->color_range_auto &&
+		    old_range == intel_dp->color_range)
+			return 0;
+
 		goto done;
 	}
 
diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c
index 00e70db..cc70b16 100644
--- a/drivers/gpu/drm/i915/intel_dvo.c
+++ b/drivers/gpu/drm/i915/intel_dvo.c
@@ -448,6 +448,7 @@
 		const struct intel_dvo_device *dvo = &intel_dvo_devices[i];
 		struct i2c_adapter *i2c;
 		int gpio;
+		bool dvoinit;
 
 		/* Allow the I2C driver info to specify the GPIO to be used in
 		 * special cases, but otherwise default to what's defined
@@ -467,7 +468,17 @@
 		i2c = intel_gmbus_get_adapter(dev_priv, gpio);
 
 		intel_dvo->dev = *dvo;
-		if (!dvo->dev_ops->init(&intel_dvo->dev, i2c))
+
+		/* GMBUS NAK handling seems to be unstable, hence let the
+		 * transmitter detection run in bit banging mode for now.
+		 */
+		intel_gmbus_force_bit(i2c, true);
+
+		dvoinit = dvo->dev_ops->init(&intel_dvo->dev, i2c);
+
+		intel_gmbus_force_bit(i2c, false);
+
+		if (!dvoinit)
 			continue;
 
 		intel_encoder->type = INTEL_OUTPUT_DVO;
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 3e6a3ef..a905793 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -920,6 +920,9 @@
 	}
 
 	if (property == dev_priv->broadcast_rgb_property) {
+		bool old_auto = intel_hdmi->color_range_auto;
+		uint32_t old_range = intel_hdmi->color_range;
+
 		switch (val) {
 		case INTEL_BROADCAST_RGB_AUTO:
 			intel_hdmi->color_range_auto = true;
@@ -935,6 +938,11 @@
 		default:
 			return -EINVAL;
 		}
+
+		if (old_auto == intel_hdmi->color_range_auto &&
+		    old_range == intel_hdmi->color_range)
+			return 0;
+
 		goto done;
 	}
 
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index e34ad96..de3b0dc 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -2639,7 +2639,7 @@
 		   (IS_HASWELL(dev) ? GEN7_RP_DOWN_IDLE_AVG : GEN6_RP_DOWN_IDLE_CONT));
 
 	ret = sandybridge_pcode_write(dev_priv, GEN6_PCODE_WRITE_MIN_FREQ_TABLE, 0);
-	if (!ret && (IS_GEN6(dev) || IS_IVYBRIDGE(dev))) {
+	if (!ret) {
 		pcu_mbox = 0;
 		ret = sandybridge_pcode_read(dev_priv, GEN6_READ_OC_PARAMS, &pcu_mbox);
 		if (!ret && (pcu_mbox & (1<<31))) { /* OC supported */
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index a618a6a..d154284 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -1930,6 +1930,9 @@
 	}
 
 	if (property == dev_priv->broadcast_rgb_property) {
+		bool old_auto = intel_sdvo->color_range_auto;
+		uint32_t old_range = intel_sdvo->color_range;
+
 		switch (val) {
 		case INTEL_BROADCAST_RGB_AUTO:
 			intel_sdvo->color_range_auto = true;
@@ -1947,6 +1950,11 @@
 		default:
 			return -EINVAL;
 		}
+
+		if (old_auto == intel_sdvo->color_range_auto &&
+		    old_range == intel_sdvo->color_range)
+			return 0;
+
 		goto done;
 	}
 
diff --git a/drivers/gpu/drm/mgag200/mgag200_fb.c b/drivers/gpu/drm/mgag200/mgag200_fb.c
index 2ebe0f6..421beab 100644
--- a/drivers/gpu/drm/mgag200/mgag200_fb.c
+++ b/drivers/gpu/drm/mgag200/mgag200_fb.c
@@ -105,12 +105,9 @@
 				   struct drm_gem_object **gobj_p)
 {
 	struct drm_device *dev = afbdev->helper.dev;
-	u32 bpp, depth;
 	u32 size;
 	struct drm_gem_object *gobj;
-
 	int ret = 0;
-	drm_fb_get_bpp_depth(mode_cmd->pixel_format, &depth, &bpp);
 
 	size = mode_cmd->pitches[0] * mode_cmd->height;
 	ret = mgag200_gem_create(dev, size, true, &gobj);
diff --git a/drivers/gpu/drm/mgag200/mgag200_main.c b/drivers/gpu/drm/mgag200/mgag200_main.c
index 1f7ea05..9905923 100644
--- a/drivers/gpu/drm/mgag200/mgag200_main.c
+++ b/drivers/gpu/drm/mgag200/mgag200_main.c
@@ -217,8 +217,6 @@
 
 	drm_mode_config_init(dev);
 	dev->mode_config.funcs = (void *)&mga_mode_funcs;
-	dev->mode_config.min_width = 0;
-	dev->mode_config.min_height = 0;
 	dev->mode_config.preferred_depth = 24;
 	dev->mode_config.prefer_shadow = 1;
 
diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c
index fe22bb7..7337013a 100644
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -1261,9 +1261,8 @@
 };
 
 /* CRTC setup */
-static void mga_crtc_init(struct drm_device *dev)
+static void mga_crtc_init(struct mga_device *mdev)
 {
-	struct mga_device *mdev = dev->dev_private;
 	struct mga_crtc *mga_crtc;
 	int i;
 
@@ -1274,7 +1273,7 @@
 	if (mga_crtc == NULL)
 		return;
 
-	drm_crtc_init(dev, &mga_crtc->base, &mga_crtc_funcs);
+	drm_crtc_init(mdev->dev, &mga_crtc->base, &mga_crtc_funcs);
 
 	drm_mode_crtc_set_gamma_size(&mga_crtc->base, MGAG200_LUT_SIZE);
 	mdev->mode_info.crtc = mga_crtc;
@@ -1529,7 +1528,7 @@
 
 	mdev->dev->mode_config.fb_base = mdev->mc.vram_base;
 
-	mga_crtc_init(mdev->dev);
+	mga_crtc_init(mdev);
 
 	encoder = mga_encoder_init(mdev->dev);
 	if (!encoder) {
diff --git a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c
index 0682cb5..be7cd97 100644
--- a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c
+++ b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c
@@ -212,7 +212,6 @@
 			 * refcount on gem itself instead of f_count of dmabuf.
 			 */
 			drm_gem_object_reference(obj);
-			dma_buf_put(buffer);
 			return obj;
 		}
 	}
diff --git a/drivers/gpu/drm/qxl/qxl_debugfs.c b/drivers/gpu/drm/qxl/qxl_debugfs.c
index c630152..c3c2bbd 100644
--- a/drivers/gpu/drm/qxl/qxl_debugfs.c
+++ b/drivers/gpu/drm/qxl/qxl_debugfs.c
@@ -35,6 +35,7 @@
 #include "qxl_object.h"
 
 
+#if defined(CONFIG_DEBUG_FS)
 static int
 qxl_debugfs_irq_received(struct seq_file *m, void *data)
 {
@@ -69,20 +70,25 @@
 	{ "qxl_buffers", qxl_debugfs_buffers_info, 0, NULL },
 };
 #define QXL_DEBUGFS_ENTRIES ARRAY_SIZE(qxl_debugfs_list)
+#endif
 
 int
 qxl_debugfs_init(struct drm_minor *minor)
 {
+#if defined(CONFIG_DEBUG_FS)
 	drm_debugfs_create_files(qxl_debugfs_list, QXL_DEBUGFS_ENTRIES,
 				 minor->debugfs_root, minor);
+#endif
 	return 0;
 }
 
 void
 qxl_debugfs_takedown(struct drm_minor *minor)
 {
+#if defined(CONFIG_DEBUG_FS)
 	drm_debugfs_remove_files(qxl_debugfs_list, QXL_DEBUGFS_ENTRIES,
 				 minor);
+#endif
 }
 
 int qxl_debugfs_add_files(struct qxl_device *qdev,
diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c
index 9f4be3d..dc0c065 100644
--- a/drivers/gpu/drm/udl/udl_fb.c
+++ b/drivers/gpu/drm/udl/udl_fb.c
@@ -482,7 +482,7 @@
 	struct udl_fbdev *ufbdev = (struct udl_fbdev *)helper;
 	struct drm_device *dev = ufbdev->helper.dev;
 	struct fb_info *info;
-	struct device *device = &dev->usbdev->dev;
+	struct device *device = dev->dev;
 	struct drm_framebuffer *fb;
 	struct drm_mode_fb_cmd2 mode_cmd;
 	struct udl_gem_object *obj;
diff --git a/drivers/gpu/drm/udl/udl_gem.c b/drivers/gpu/drm/udl/udl_gem.c
index 3816270..ef034fa 100644
--- a/drivers/gpu/drm/udl/udl_gem.c
+++ b/drivers/gpu/drm/udl/udl_gem.c
@@ -303,6 +303,8 @@
 	if (IS_ERR(attach))
 		return ERR_CAST(attach);
 
+	get_dma_buf(dma_buf);
+
 	sg = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL);
 	if (IS_ERR(sg)) {
 		ret = PTR_ERR(sg);
@@ -322,5 +324,7 @@
 	dma_buf_unmap_attachment(attach, sg, DMA_BIDIRECTIONAL);
 fail_detach:
 	dma_buf_detach(dma_buf, attach);
+	dma_buf_put(dma_buf);
+
 	return ERR_PTR(ret);
 }
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 2d94d74..f1ce786 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1593,9 +1593,8 @@
 
 void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);
 void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
-int drm_prime_add_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t handle);
-int drm_prime_lookup_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t *handle);
-void drm_prime_remove_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf);
+int drm_prime_lookup_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t *handle);
+void drm_prime_remove_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf);
 
 int drm_prime_add_dma_buf(struct drm_device *dev, struct drm_gem_object *obj);
 int drm_prime_lookup_obj(struct drm_device *dev, struct dma_buf *buf,
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 8c7846b..adb3f9b 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -120,7 +120,7 @@
 	.hdisplay = (hd), .hsync_start = (hss), .hsync_end = (hse), \
 	.htotal = (ht), .hskew = (hsk), .vdisplay = (vd), \
 	.vsync_start = (vss), .vsync_end = (vse), .vtotal = (vt), \
-	.vscan = (vs), .flags = (f), .vrefresh = 0, \
+	.vscan = (vs), .flags = (f), \
 	.base.type = DRM_MODE_OBJECT_MODE
 
 #define CRTC_INTERLACE_HALVE_V 0x1 /* halve V values for interlacing */
@@ -554,7 +554,6 @@
  * @probed_modes: list of modes derived directly from the display
  * @display_info: information about attached display (e.g. from EDID)
  * @funcs: connector control functions
- * @user_modes: user added mode list
  * @edid_blob_ptr: DRM property containing EDID if present
  * @properties: property tracking for this connector
  * @polled: a %DRM_CONNECTOR_POLL_<foo> value for core driven polling
@@ -598,7 +597,6 @@
 	struct drm_display_info display_info;
 	const struct drm_connector_funcs *funcs;
 
-	struct list_head user_modes;
 	struct drm_property_blob *edid_blob_ptr;
 	struct drm_object_properties properties;
 
@@ -922,15 +920,11 @@
 extern void drm_mode_config_cleanup(struct drm_device *dev);
 extern void drm_mode_set_name(struct drm_display_mode *mode);
 extern bool drm_mode_equal(const struct drm_display_mode *mode1, const struct drm_display_mode *mode2);
+extern bool drm_mode_equal_no_clocks(const struct drm_display_mode *mode1, const struct drm_display_mode *mode2);
 extern int drm_mode_width(const struct drm_display_mode *mode);
 extern int drm_mode_height(const struct drm_display_mode *mode);
 
 /* for us by fb module */
-extern int drm_mode_attachmode_crtc(struct drm_device *dev,
-				    struct drm_crtc *crtc,
-				    const struct drm_display_mode *mode);
-extern int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode);
-
 extern struct drm_display_mode *drm_mode_create(struct drm_device *dev);
 extern void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode);
 extern void drm_mode_list_concat(struct list_head *head,
@@ -938,6 +932,9 @@
 extern void drm_mode_validate_size(struct drm_device *dev,
 				   struct list_head *mode_list,
 				   int maxX, int maxY, int maxPitch);
+extern void drm_mode_validate_clocks(struct drm_device *dev,
+				     struct list_head *mode_list,
+				     int *min, int *max, int n_ranges);
 extern void drm_mode_prune_invalid(struct drm_device *dev,
 				   struct list_head *mode_list, bool verbose);
 extern void drm_mode_sort(struct list_head *mode_list);
@@ -1036,14 +1033,6 @@
 			  void *data, struct drm_file *file_priv);
 extern int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
 				  void *data, struct drm_file *file_priv);
-extern int drm_mode_addmode_ioctl(struct drm_device *dev,
-				  void *data, struct drm_file *file_priv);
-extern int drm_mode_rmmode_ioctl(struct drm_device *dev,
-				 void *data, struct drm_file *file_priv);
-extern int drm_mode_attachmode_ioctl(struct drm_device *dev,
-				     void *data, struct drm_file *file_priv);
-extern int drm_mode_detachmode_ioctl(struct drm_device *dev,
-				     void *data, struct drm_file *file_priv);
 
 extern int drm_mode_getproperty_ioctl(struct drm_device *dev,
 				      void *data, struct drm_file *file_priv);
diff --git a/include/uapi/drm/drm.h b/include/uapi/drm/drm.h
index 73a99e4..5a57be6 100644
--- a/include/uapi/drm/drm.h
+++ b/include/uapi/drm/drm.h
@@ -711,8 +711,8 @@
 #define DRM_IOCTL_MODE_SETGAMMA		DRM_IOWR(0xA5, struct drm_mode_crtc_lut)
 #define DRM_IOCTL_MODE_GETENCODER	DRM_IOWR(0xA6, struct drm_mode_get_encoder)
 #define DRM_IOCTL_MODE_GETCONNECTOR	DRM_IOWR(0xA7, struct drm_mode_get_connector)
-#define DRM_IOCTL_MODE_ATTACHMODE	DRM_IOWR(0xA8, struct drm_mode_mode_cmd)
-#define DRM_IOCTL_MODE_DETACHMODE	DRM_IOWR(0xA9, struct drm_mode_mode_cmd)
+#define DRM_IOCTL_MODE_ATTACHMODE	DRM_IOWR(0xA8, struct drm_mode_mode_cmd) /* deprecated (never worked) */
+#define DRM_IOCTL_MODE_DETACHMODE	DRM_IOWR(0xA9, struct drm_mode_mode_cmd) /* deprecated (never worked) */
 
 #define DRM_IOCTL_MODE_GETPROPERTY	DRM_IOWR(0xAA, struct drm_mode_get_property)
 #define DRM_IOCTL_MODE_SETPROPERTY	DRM_IOWR(0xAB, struct drm_mode_connector_set_property)