drm/amdgpu: use a spinlock instead of a mutex for the rq

More appropriate and fixes some nasty lockdep warnings.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
index 25e38d030157..6597d61266e7 100644
--- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
+++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
@@ -63,7 +63,7 @@ struct amd_sched_entity {
  * the next entity to emit commands from.
 */
 struct amd_sched_rq {
-	struct mutex		lock;
+	spinlock_t		lock;
 	struct list_head	entities;
 	struct amd_sched_entity	*current_entity;
 };