DP_PSR_SUPPORT
core_link_read_dpcd(link, DP_PSR_SUPPORT,
DP_PSR_SUPPORT,
ret = drm_dp_dpcd_readb(&dp->aux, DP_PSR_SUPPORT, &psr_version);
ret = drm_dp_dpcd_read_data(&intel_dp->aux, DP_PSR_SUPPORT, connector->dp.psr_caps.dpcd,
rlen = drm_dp_dpcd_read(panel->aux, DP_PSR_SUPPORT,