drm_dp_dpcd_write_data
err = drm_dp_dpcd_write_data(aux, DP_CEC_LOGICAL_ADDRESS_MASK, mask, 2);
err = drm_dp_dpcd_write_data(aux, DP_CEC_TX_MESSAGE_BUFFER,
ret = drm_dp_dpcd_write_data(aux, DP_PCON_HDMI_PPS_OVERRIDE_BASE, &pps_buf, 128);
ret = drm_dp_dpcd_write_data(aux, DP_PCON_HDMI_PPS_OVRD_SLICE_HEIGHT, &pps_param[0], 2);
ret = drm_dp_dpcd_write_data(aux, DP_PCON_HDMI_PPS_OVRD_SLICE_WIDTH, &pps_param[2], 2);
ret = drm_dp_dpcd_write_data(aux, DP_PCON_HDMI_PPS_OVRD_BPP, &pps_param[4], 2);
ret = drm_dp_dpcd_write_data(aux, offset, buf, len);
ret = drm_dp_dpcd_write_data(aux, DP_PAYLOAD_ALLOCATE_SET, payload_alloc, 3);
ret = drm_dp_dpcd_write_data(aux, DP_GUID, buf, sizeof(buf));
ret = drm_dp_dpcd_write_data(mgr->aux, regbase + offset,
return drm_dp_dpcd_write_data(aux, offset, &value, 1);