117 	MPASS(bo->sync_obj == NULL);  in ttm_bo_release_list()
553 	void *sync_obj = NULL;  in ttm_bo_cleanup_refs_or_queue()  local
562 	if (!ret && !bo->sync_obj) {  in ttm_bo_cleanup_refs_or_queue()
573 	if (bo->sync_obj)  in ttm_bo_cleanup_refs_or_queue()
574 		sync_obj = driver->sync_obj_ref(bo->sync_obj);  in ttm_bo_cleanup_refs_or_queue()
586 	if (sync_obj) {  in ttm_bo_cleanup_refs_or_queue()
587 		driver->sync_obj_flush(sync_obj);  in ttm_bo_cleanup_refs_or_queue()
588 		driver->sync_obj_unref(&sync_obj);  in ttm_bo_cleanup_refs_or_queue()
620 		void *sync_obj;  in ttm_bo_cleanup_refs_and_unlock()  local
627 		sync_obj = driver->sync_obj_ref(bo->sync_obj);  in ttm_bo_cleanup_refs_and_unlock()
634 		ret = driver->sync_obj_wait(sync_obj, false, interruptible);  in ttm_bo_cleanup_refs_and_unlock()
635 		driver->sync_obj_unref(&sync_obj);  in ttm_bo_cleanup_refs_and_unlock()
1722 	void *sync_obj;  in ttm_bo_wait()  local
1725 	if (likely(bo->sync_obj == NULL))  in ttm_bo_wait()
1728 	while (bo->sync_obj) {  in ttm_bo_wait()
1730 		if (driver->sync_obj_signaled(bo->sync_obj)) {  in ttm_bo_wait()
1731 			void *tmp_obj = bo->sync_obj;  in ttm_bo_wait()
1732 			bo->sync_obj = NULL;  in ttm_bo_wait()
1743 		sync_obj = driver->sync_obj_ref(bo->sync_obj);  in ttm_bo_wait()
1745 		ret = driver->sync_obj_wait(sync_obj,  in ttm_bo_wait()
1748 			driver->sync_obj_unref(&sync_obj);  in ttm_bo_wait()
1753 		if (likely(bo->sync_obj == sync_obj)) {  in ttm_bo_wait()
1754 			void *tmp_obj = bo->sync_obj;  in ttm_bo_wait()
1755 			bo->sync_obj = NULL;  in ttm_bo_wait()
1759 			driver->sync_obj_unref(&sync_obj);  in ttm_bo_wait()
1764 			driver->sync_obj_unref(&sync_obj);  in ttm_bo_wait()