lv_mtx_owner
owner = lv_mtx_owner(v);
if (__predict_false(lv_mtx_owner(v) == td)) {
owner = lv_mtx_owner(v);
owner = lv_mtx_owner(v);
owner = lv_mtx_owner(v);
#define mtx_owner(m) lv_mtx_owner(MTX_READ_VALUE(m))