displayid_version
u8 displayid_version(const struct displayid_iter *iter);
displayid_version(&iter),
if (displayid_version(&iter) == DISPLAY_ID_STRUCTURE_VER_20 &&
return (displayid_version(iter) < DISPLAY_ID_STRUCTURE_VER_20 &&
(displayid_version(iter) == DISPLAY_ID_STRUCTURE_VER_20 &&