321 ssize_t drm_dp_dpcd_read(struct drm_dp_aux *aux, unsigned int offset,  in drm_dp_dpcd_read()  function
355 EXPORT_SYMBOL(drm_dp_dpcd_read);
398 	return drm_dp_dpcd_read(aux, DP_LANE0_1_STATUS, status,  in drm_dp_dpcd_read_link_status()
423 		ret = drm_dp_dpcd_read(aux,  in drm_dp_dpcd_read_phy_link_status()
436 	ret = drm_dp_dpcd_read(aux,  in drm_dp_dpcd_read_phy_link_status()
533 	if (drm_dp_dpcd_read(aux, DP_DEVICE_SERVICE_IRQ_VECTOR,  in drm_dp_send_real_edid_checksum()
541 	if (drm_dp_dpcd_read(aux, DP_TEST_REQUEST, &link_edid_read, 1) < 1) {  in drm_dp_send_real_edid_checksum()
607 	ret = drm_dp_dpcd_read(aux, DP_DP13_DPCD_REV, &dpcd_ext,  in drm_dp_read_extended_dpcd_caps()
649 	ret = drm_dp_dpcd_read(aux, DP_DPCD_REV, dpcd, DP_RECEIVER_CAP_SIZE);  in drm_dp_read_dpcd_caps()
702 	ret = drm_dp_dpcd_read(aux, DP_DOWNSTREAM_PORT_0, downstream_ports, len);  in drm_dp_read_downstream_info()
1063 	return drm_dp_dpcd_read(aux, DP_BRANCH_ID, id, 6);  in drm_dp_downstream_id()
1128 	len = drm_dp_dpcd_read(aux, DP_BRANCH_HW_REV, &rev[0], 1);  in drm_dp_downstream_debug()
1133 	len = drm_dp_dpcd_read(aux, DP_BRANCH_SW_REV, rev, 2);  in drm_dp_downstream_debug()
1682 	ret = drm_dp_dpcd_read(aux, DP_TEST_CRC_R_CR, crc, 6);  in drm_dp_aux_get_crc()
2014 	ret = drm_dp_dpcd_read(aux, offset, ident, sizeof(*ident));  in drm_dp_read_desc()
2184 	ret = drm_dp_dpcd_read(aux,  in drm_dp_read_lttpr_common_caps()
2212 	ret = drm_dp_dpcd_read(aux,  in drm_dp_read_lttpr_phy_caps()
2349 		err = drm_dp_dpcd_read(aux, DP_TEST_80BIT_CUSTOM_PATTERN_7_0,  in drm_dp_get_phy_test_pattern()
2356 		err = drm_dp_dpcd_read(aux, DP_TEST_HBR2_SCRAMBLER_RESET,  in drm_dp_get_phy_test_pattern()
3382 		ret = drm_dp_dpcd_read(aux, DP_EDP_BACKLIGHT_BRIGHTNESS_MSB, buf, size);  in drm_edp_backlight_probe_level()
3517 	ret = drm_dp_dpcd_read(aux, DP_EDP_DPCD_REV, edp_dpcd,  in drm_panel_dp_aux_backlight()