DP_MAX_LANE_COUNT_MASK
link->num_lanes = values[2] & DP_MAX_LANE_COUNT_MASK;
mgr->dpcd[2] & DP_MAX_LANE_COUNT_MASK,
test_lane_count &= DP_MAX_LANE_COUNT_MASK;
return dpcd[DP_MAX_LANE_COUNT] & DP_MAX_LANE_COUNT_MASK;