drm_do_probe_ddc_edid
return (drm_do_probe_ddc_edid(adapter, &out, 0, 1) == 0);
edid = _drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter, NULL);
drm_edid = drm_edid_read_custom(connector, drm_do_probe_ddc_edid, adapter);
status = edid_block_read(base_block, 0, drm_do_probe_ddc_edid, adapter);