- if (rdev->cp.ring_obj) {
- r = radeon_bo_reserve(rdev->cp.ring_obj, false);
+ ring_obj = rdev->cp.ring_obj;
+ rdev->cp.ring = NULL;
+ rdev->cp.ring_obj = NULL;
+ mutex_unlock(&rdev->cp.mutex);
+
+ if (ring_obj) {
+ r = radeon_bo_reserve(ring_obj, false);