Merge branch 'linus' into core/locking

Conflicts:
	fs/btrfs/locking.c

4 files changed, 5 insertions, 13 deletions

diff --git a/include/drm/drm.h b/include/drm/drm.h
index 32e5096554e9..8e77357334ad 100644
--- a/include/drm/drm.h
+++ b/include/drm/drm.h
@@ -458,7 +458,7 @@ enum drm_vblank_seq_type {
 	_DRM_VBLANK_FLIP = 0x8000000,   /**< Scheduled buffer swap should flip */
 	_DRM_VBLANK_NEXTONMISS = 0x10000000,	/**< If missed, wait for next vblank */
 	_DRM_VBLANK_SECONDARY = 0x20000000,	/**< Secondary display controller */
-	_DRM_VBLANK_SIGNAL = 0x40000000	/**< Send signal instead of blocking */
+	_DRM_VBLANK_SIGNAL = 0x40000000	/**< Send signal instead of blocking, unsupported */
 };
 
 #define _DRM_VBLANK_TYPES_MASK (_DRM_VBLANK_ABSOLUTE | _DRM_VBLANK_RELATIVE)
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index afb7858c068d..8190b9bcc2d9 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -545,13 +545,6 @@ struct drm_ctx_list {
 	struct drm_file *tag;		/**< associated fd private data */
 };
 
-struct drm_vbl_sig {
-	struct list_head head;
-	unsigned int sequence;
-	struct siginfo info;
-	struct task_struct *task;
-};
-
 /* location of GART table */
 #define DRM_ATI_GART_MAIN 1
 #define DRM_ATI_GART_FB   2
@@ -903,8 +896,6 @@ struct drm_device {
 	wait_queue_head_t *vbl_queue;   /**< VBLANK wait queue */
 	atomic_t *_vblank_count;        /**< number of VBLANK interrupts (driver must alloc the right number of counters) */
 	spinlock_t vbl_lock;
-	struct list_head *vbl_sigs;	/**< signal list to send on VBLANK */
-	atomic_t vbl_signal_pending;    /* number of signals pending on all crtcs*/
 	atomic_t *vblank_refcount;      /* number of users of vblank interruptsper crtc */
 	u32 *last_vblank;               /* protected by dev->vbl_lock, used */
 					/* for wraparound handling */
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 0acb07f31fa4..d54de24bf371 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -395,7 +395,7 @@ struct drm_connector_funcs {
 	void (*save)(struct drm_connector *connector);
 	void (*restore)(struct drm_connector *connector);
 	enum drm_connector_status (*detect)(struct drm_connector *connector);
-	void (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height);
+	int (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height);
 	int (*set_property)(struct drm_connector *connector, struct drm_property *property,
 			     uint64_t val);
 	void (*destroy)(struct drm_connector *connector);
@@ -528,7 +528,8 @@ struct drm_mode_group {
  *
  */
 struct drm_mode_config {
-	struct mutex mutex; /* protects configuration and IDR */
+	struct mutex mutex; /* protects configuration (mode lists etc.) */
+	struct mutex idr_mutex; /* for IDR management */
 	struct idr crtc_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */
 	/* this is limited to one for now */
 	int num_fb;
diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h
index 4bc04cf460a7..0c6f0e11b41b 100644
--- a/include/drm/drm_crtc_helper.h
+++ b/include/drm/drm_crtc_helper.h
@@ -88,7 +88,7 @@ struct drm_connector_helper_funcs {
 	struct drm_encoder *(*best_encoder)(struct drm_connector *connector);
 };
 
-extern void drm_helper_probe_single_connector_modes(struct drm_connector *connector, uint32_t maxX, uint32_t maxY);
+extern int drm_helper_probe_single_connector_modes(struct drm_connector *connector, uint32_t maxX, uint32_t maxY);
 extern void drm_helper_disable_unused_functions(struct drm_device *dev);
 extern int drm_helper_hotplug_stage_two(struct drm_device *dev);
 extern bool drm_helper_initial_config(struct drm_device *dev, bool can_grow);