DP_SINK_COUNT
dpcd_bytes_to_read = DP_LANE0_1_STATUS - DP_SINK_COUNT;
dpcd_addr = DP_SINK_COUNT;
DP_SINK_COUNT,
DP_SINK_COUNT,
if (drm_dp_dpcd_readb(&intel_dp->aux, DP_SINK_COUNT, &sink_count) <= 0)