drm: Convert the lock protecting object handles to a mutex.

In execbuf, we want to be able to do many lookups of handles without
having to take and drop a lock every time.  Convert it to a mutex so
that we'll be able to hold the lock across all our lookups.

Signed-off-by: Eric Anholt <eric@anholt.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index fad21c927a3..fec34eab617 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -438,7 +438,7 @@ struct drm_file {
 	/** Mapping of mm object handles to object pointers. */
 	struct idr object_idr;
 	/** Lock for synchronization of access to object_idr. */
-	spinlock_t table_lock;
+	struct mutex table_lock;
 
 	struct file *filp;
 	void *driver_priv;