drm_dp_link_power_up
drm_dp_link_power_up(&anx6345->aux, anx6345->dpcd[DP_DPCD_REV]);
drm_dp_link_power_up(&anx78xx->aux, anx78xx->dpcd[DP_DPCD_REV]);
drm_dp_link_power_up(&mhdp->aux, mhdp->link.revision);
drm_dp_link_power_up(&it6505->aux, it6505->link.revision);
drm_dp_link_power_up(&it6505->aux, it6505->link.revision);
drm_dp_link_power_up(&it6505->aux, it6505->link.revision);
ret = drm_dp_link_power_up(&dp->aux, dp->link.revision);
EXPORT_SYMBOL(drm_dp_link_power_up);
err = drm_dp_link_power_up(sor->aux, sor->link.revision);
int drm_dp_link_power_up(struct drm_dp_aux *aux, unsigned char revision);