structure
static int add_3d_struct_modes(struct drm_connector *connector, u16 structure,
if (structure & (1 << 0)) {
if (structure & (1 << 6)) {
if (structure & (1 << 8)) {
case structure:
if (state->last_token == structure && !state->p_l_follow) {
state->last_u_d = (state->last_token == structure);
return (structure);