DP_MAX_LANE_COUNT_MASK
sc->sc_num_lanes = sc->sc_dpcd[2] & DP_MAX_LANE_COUNT_MASK;
aconnector->mst_mgr.dpcd[2] & DP_MAX_LANE_COUNT_MASK);
return max_lanes & DP_MAX_LANE_COUNT_MASK;
data->num_lanes = lanes & DP_MAX_LANE_COUNT_MASK;
test_lane_count &= DP_MAX_LANE_COUNT_MASK;
return dpcd[DP_MAX_LANE_COUNT] & DP_MAX_LANE_COUNT_MASK;