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,
DP_SINK_STATUS - DP_SINK_COUNT + 1);
DP_SINK_COUNT,
ret = drm_dp_dpcd_read_byte(aux, DP_SINK_COUNT, &count);
port->dpcd->data[DP_SINK_COUNT] = 0x1;