diff --git a/[refs] b/[refs]
index b575e95c1102..be84753e7ef0 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: cdad05216c2b2edfe92a9f87d6ae51aab277f3b2
+refs/heads/master: 6c1e963cc5771c93d4ed7aa8bdd4322a7c918e9b
diff --git a/trunk/drivers/gpu/drm/ttm/ttm_bo.c b/trunk/drivers/gpu/drm/ttm/ttm_bo.c
index d1e5326d442c..5f61f133b419 100644
--- a/trunk/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/trunk/drivers/gpu/drm/ttm/ttm_bo.c
@@ -220,7 +220,7 @@ int ttm_bo_reserve_locked(struct ttm_buffer_object *bo,
 	struct ttm_bo_global *glob = bo->glob;
 	int ret;
 
-	while (unlikely(atomic_cmpxchg(&bo->reserved, 0, 1) != 0)) {
+	while (unlikely(atomic_read(&bo->reserved) != 0)) {
 		/**
 		 * Deadlock avoidance for multi-bo reserving.
 		 */
@@ -249,6 +249,7 @@ int ttm_bo_reserve_locked(struct ttm_buffer_object *bo,
 			return ret;
 	}
 
+	atomic_set(&bo->reserved, 1);
 	if (use_sequence) {
 		/**
 		 * Wake up waiters that may need to recheck for deadlock,