drm_dp_dpcd_read_byte
err = drm_dp_dpcd_read_byte(aux, DP_CEC_TUNNELING_CONTROL, &val);
err = drm_dp_dpcd_read_byte(aux, DP_CEC_RX_MESSAGE_INFO, &rx_msg_info);
if (drm_dp_dpcd_read_byte(aux, DP_CEC_TUNNELING_IRQ_FLAGS, &flags) < 0)
ret = drm_dp_dpcd_read_byte(aux, DP_DEVICE_SERVICE_IRQ_VECTOR_ESI1,
if (drm_dp_dpcd_read_byte(aux, DP_CEC_TUNNELING_CAPABILITY, &cap) < 0 ||
if (drm_dp_dpcd_read_byte(aux, DP_DEVICE_SERVICE_IRQ_VECTOR,
if (drm_dp_dpcd_read_byte(aux, DP_TEST_REQUEST, &link_edid_read) < 0) {
ret = drm_dp_dpcd_read_byte(aux, DP_SINK_COUNT, &count);
ret = drm_dp_dpcd_read_byte(aux, DP_TEST_SINK, &buf);
ret = drm_dp_dpcd_read_byte(aux, DP_TEST_SINK_MISC, &buf);
ret = drm_dp_dpcd_read_byte(aux, DP_TEST_SINK, &buf);
ret = drm_dp_dpcd_read_byte(aux, DP_TEST_SINK, &buf);
err = drm_dp_dpcd_read_byte(aux, DP_TEST_LINK_RATE, &rate);
err = drm_dp_dpcd_read_byte(aux, DP_TEST_LANE_COUNT, &lanes);
err = drm_dp_dpcd_read_byte(aux, DP_PHY_TEST_PATTERN, &data->phy_pattern);
if (drm_dp_dpcd_read_byte(aux, offset, &rd_interval) < 0) {
if (drm_dp_dpcd_read_byte(aux, DP_DPRX_FEATURE_ENUMERATION_LIST_CONT_1,
if (drm_dp_dpcd_read_byte(aux, DP_DPRX_FEATURE_ENUMERATION_LIST, &rx_feature) < 0) {
ret = drm_dp_dpcd_read_byte(aux, DP_PCON_HDMI_TX_LINK_STATUS, &buf);
if (drm_dp_dpcd_read_byte(aux, DP_128B132B_TRAINING_AUX_RD_INTERVAL, &val) < 0) {
ret = drm_dp_dpcd_read_byte(aux, DP_PCON_HDMI_LINK_CONFIG_1, &buf);
ret = drm_dp_dpcd_read_byte(aux, DP_PCON_HDMI_LINK_CONFIG_1, &buf);
ret = drm_dp_dpcd_read_byte(aux, DP_PCON_HDMI_TX_LINK_STATUS, &buf);
ret = drm_dp_dpcd_read_byte(aux, DP_PCON_HDMI_POST_FRL_STATUS, &buf);
if (drm_dp_dpcd_read_byte(aux, DP_PCON_HDMI_ERROR_STATUS_LN0 + i, &buf) < 0)
ret = drm_dp_dpcd_read_byte(aux, DP_PROTOCOL_CONVERTER_CONTROL_2, &buf);
ret = drm_dp_dpcd_read_byte(aux, DP_PROTOCOL_CONVERTER_CONTROL_2, &buf);
ret = drm_dp_dpcd_read_byte(aux, DP_EDP_DISPLAY_CONTROL_REGISTER, &buf);
ret = drm_dp_dpcd_read_byte(aux, DP_EDP_PWMGEN_BIT_COUNT, &bit_count);
ret = drm_dp_dpcd_read_byte(aux, DP_EDP_PWMGEN_BIT_COUNT_CAP_MIN, &pn_min);
ret = drm_dp_dpcd_read_byte(aux, DP_EDP_PWMGEN_BIT_COUNT_CAP_MAX, &pn_max);
ret = drm_dp_dpcd_read_byte(aux, DP_EDP_BACKLIGHT_MODE_SET_REGISTER, &mode_reg);
ret = drm_dp_dpcd_read_byte(aux, DP_PAYLOAD_TABLE_UPDATE_STATUS, &status);
ret = drm_dp_dpcd_read_byte(aux, DP_PAYLOAD_TABLE_UPDATE_STATUS, &status);
if (drm_dp_dpcd_read_byte(aux, DP_MSTM_CAP, &mstm_cap) < 0)
if (drm_dp_dpcd_read_byte(aux, DP_TUNNELING_STATUS, &val) < 0)
if (drm_dp_dpcd_read_byte(tunnel->aux, DP_TUNNELING_STATUS, &val) < 0)
if (drm_dp_dpcd_read_byte(tunnel->aux, DP_ESTIMATED_BW, &val) < 0)
if (drm_dp_dpcd_read_byte(aux, DP_TUNNELING_STATUS, &val) < 0)
if (drm_dp_dpcd_read_byte(tunnel->aux, DP_DPTX_BW_ALLOCATION_MODE_CONTROL, &val) < 0)
ret = poll_timeout_us(err = drm_dp_dpcd_read_byte(aux, DP_FEC_STATUS, &status),
ret = drm_dp_dpcd_read_byte(&intel_dp->aux, DP_RECEIVER_ALPM_CAP,
rc = drm_dp_dpcd_read_byte(panel->aux, DP_EDP_DPCD_REV, &edp_rev);
rc = drm_dp_dpcd_read_byte(panel->aux, DP_LINK_BW_SET, &bw_set);