scoped_guard
scoped_guard(mutex, &aconnector->mst_mgr.lock) {
scoped_guard(mutex, &adev->dm.dc_lock) {
scoped_guard(mutex, &adev->dm.dc_lock) {
scoped_guard(mutex, &adev->dm.dc_lock) {
scoped_guard(ttm_bo_lru_cursor, _cursor, _man, _arg) \