DP_MAIN_LINK_CHANNEL_CODING_SET
dp_link_encoding = data[DP_MAIN_LINK_CHANNEL_CODING_SET - DP_LINK_BW_SET];
DP_MAIN_LINK_CHANNEL_CODING_SET,
DP_MAIN_LINK_CHANNEL_CODING_SET,
err = drm_dp_dpcd_writeb(aux, DP_MAIN_LINK_CHANNEL_CODING_SET, value);
ret = drm_dp_dpcd_writeb(&dp->aux, DP_MAIN_LINK_CHANNEL_CODING_SET,