119 	MPASS(bo->sync_obj == NULL);  in ttm_bo_release_list()
555 	void *sync_obj = NULL;  in ttm_bo_cleanup_refs_or_queue()  local
564 	if (!ret && !bo->sync_obj) {  in ttm_bo_cleanup_refs_or_queue()
575 	if (bo->sync_obj)  in ttm_bo_cleanup_refs_or_queue()
576 		sync_obj = driver->sync_obj_ref(bo->sync_obj);  in ttm_bo_cleanup_refs_or_queue()
588 	if (sync_obj) {  in ttm_bo_cleanup_refs_or_queue()
589 		driver->sync_obj_flush(sync_obj);  in ttm_bo_cleanup_refs_or_queue()
590 		driver->sync_obj_unref(&sync_obj);  in ttm_bo_cleanup_refs_or_queue()
622 		void *sync_obj;  in ttm_bo_cleanup_refs_and_unlock()  local
629 		sync_obj = driver->sync_obj_ref(bo->sync_obj);  in ttm_bo_cleanup_refs_and_unlock()
636 		ret = driver->sync_obj_wait(sync_obj, false, interruptible);  in ttm_bo_cleanup_refs_and_unlock()
637 		driver->sync_obj_unref(&sync_obj);  in ttm_bo_cleanup_refs_and_unlock()
1724 	void *sync_obj;  in ttm_bo_wait()  local
1727 	if (likely(bo->sync_obj == NULL))  in ttm_bo_wait()
1730 	while (bo->sync_obj) {  in ttm_bo_wait()
1732 		if (driver->sync_obj_signaled(bo->sync_obj)) {  in ttm_bo_wait()
1733 			void *tmp_obj = bo->sync_obj;  in ttm_bo_wait()
1734 			bo->sync_obj = NULL;  in ttm_bo_wait()
1745 		sync_obj = driver->sync_obj_ref(bo->sync_obj);  in ttm_bo_wait()
1747 		ret = driver->sync_obj_wait(sync_obj,  in ttm_bo_wait()
1750 			driver->sync_obj_unref(&sync_obj);  in ttm_bo_wait()
1755 		if (likely(bo->sync_obj == sync_obj)) {  in ttm_bo_wait()
1756 			void *tmp_obj = bo->sync_obj;  in ttm_bo_wait()
1757 			bo->sync_obj = NULL;  in ttm_bo_wait()
1761 			driver->sync_obj_unref(&sync_obj);  in ttm_bo_wait()
1766 			driver->sync_obj_unref(&sync_obj);  in ttm_bo_wait()