187 void amdgpu_atombios_dp_aux_init(struct amdgpu_connector *amdgpu_connector)  in amdgpu_atombios_dp_aux_init()  argument
189 	amdgpu_connector->ddc_bus->rec.hpd = amdgpu_connector->hpd.hpd;  in amdgpu_atombios_dp_aux_init()
190 	amdgpu_connector->ddc_bus->aux.transfer = amdgpu_atombios_dp_aux_transfer;  in amdgpu_atombios_dp_aux_init()
191 	amdgpu_connector->ddc_bus->aux.drm_dev = amdgpu_connector->base.dev;  in amdgpu_atombios_dp_aux_init()
193 	drm_dp_aux_init(&amdgpu_connector->ddc_bus->aux);  in amdgpu_atombios_dp_aux_init()
194 	amdgpu_connector->ddc_bus->has_aux = true;  in amdgpu_atombios_dp_aux_init()
307 u8 amdgpu_atombios_dp_get_sinktype(struct amdgpu_connector *amdgpu_connector)  in amdgpu_atombios_dp_get_sinktype()  argument
309 	struct drm_device *dev = amdgpu_connector->base.dev;  in amdgpu_atombios_dp_get_sinktype()
313 					   amdgpu_connector->ddc_bus->rec.i2c_id, 0);  in amdgpu_atombios_dp_get_sinktype()
316 static void amdgpu_atombios_dp_probe_oui(struct amdgpu_connector *amdgpu_connector)  in amdgpu_atombios_dp_probe_oui()  argument
318 	struct amdgpu_connector_atom_dig *dig_connector = amdgpu_connector->con_priv;  in amdgpu_atombios_dp_probe_oui()
324 	if (drm_dp_dpcd_read(&amdgpu_connector->ddc_bus->aux, DP_SINK_OUI, buf, 3) == 3)  in amdgpu_atombios_dp_probe_oui()
328 	if (drm_dp_dpcd_read(&amdgpu_connector->ddc_bus->aux, DP_BRANCH_OUI, buf, 3) == 3)  in amdgpu_atombios_dp_probe_oui()
333 static void amdgpu_atombios_dp_ds_ports(struct amdgpu_connector *amdgpu_connector)  in amdgpu_atombios_dp_ds_ports()  argument
335 	struct amdgpu_connector_atom_dig *dig_connector = amdgpu_connector->con_priv;  in amdgpu_atombios_dp_ds_ports()
339 		ret = drm_dp_dpcd_read(&amdgpu_connector->ddc_bus->aux,  in amdgpu_atombios_dp_ds_ports()
349 int amdgpu_atombios_dp_get_dpcd(struct amdgpu_connector *amdgpu_connector)  in amdgpu_atombios_dp_get_dpcd()  argument
351 	struct amdgpu_connector_atom_dig *dig_connector = amdgpu_connector->con_priv;  in amdgpu_atombios_dp_get_dpcd()
355 	ret = drm_dp_dpcd_read(&amdgpu_connector->ddc_bus->aux, DP_DPCD_REV,  in amdgpu_atombios_dp_get_dpcd()
363 		amdgpu_atombios_dp_probe_oui(amdgpu_connector);  in amdgpu_atombios_dp_get_dpcd()
364 		amdgpu_atombios_dp_ds_ports(amdgpu_connector);  in amdgpu_atombios_dp_get_dpcd()
375 	struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);  in amdgpu_atombios_dp_get_panel_mode()  local
380 	if (!amdgpu_connector->con_priv)  in amdgpu_atombios_dp_get_panel_mode()
385 		if (drm_dp_dpcd_readb(&amdgpu_connector->ddc_bus->aux,  in amdgpu_atombios_dp_get_panel_mode()
397 		if (drm_dp_dpcd_readb(&amdgpu_connector->ddc_bus->aux,  in amdgpu_atombios_dp_get_panel_mode()
410 	struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);  in amdgpu_atombios_dp_set_link_config()  local
414 	if (!amdgpu_connector->con_priv)  in amdgpu_atombios_dp_set_link_config()
416 	dig_connector = amdgpu_connector->con_priv;  in amdgpu_atombios_dp_set_link_config()
434 	struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);  in amdgpu_atombios_dp_mode_valid_helper()  local
439 	if (!amdgpu_connector->con_priv)  in amdgpu_atombios_dp_mode_valid_helper()
441 	dig_connector = amdgpu_connector->con_priv;  in amdgpu_atombios_dp_mode_valid_helper()
455 bool amdgpu_atombios_dp_needs_link_train(struct amdgpu_connector *amdgpu_connector)  in amdgpu_atombios_dp_needs_link_train()  argument
458 	struct amdgpu_connector_atom_dig *dig = amdgpu_connector->con_priv;  in amdgpu_atombios_dp_needs_link_train()
460 	if (drm_dp_dpcd_read_link_status(&amdgpu_connector->ddc_bus->aux, link_status)  in amdgpu_atombios_dp_needs_link_train()
471 	struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);  in amdgpu_atombios_dp_set_rx_power_state()  local
474 	if (!amdgpu_connector->con_priv)  in amdgpu_atombios_dp_set_rx_power_state()
477 	dig_connector = amdgpu_connector->con_priv;  in amdgpu_atombios_dp_set_rx_power_state()
481 		drm_dp_dpcd_writeb(&amdgpu_connector->ddc_bus->aux,  in amdgpu_atombios_dp_set_rx_power_state()
725 	struct amdgpu_connector *amdgpu_connector;  in amdgpu_atombios_dp_link_train()  local
733 	amdgpu_connector = to_amdgpu_connector(connector);  in amdgpu_atombios_dp_link_train()
734 	if (!amdgpu_connector->con_priv)  in amdgpu_atombios_dp_link_train()
736 	dig_connector = amdgpu_connector->con_priv;  in amdgpu_atombios_dp_link_train()
742 	if (drm_dp_dpcd_readb(&amdgpu_connector->ddc_bus->aux, DP_MAX_LANE_COUNT, &tmp)  in amdgpu_atombios_dp_link_train()
758 	dp_info.aux = &amdgpu_connector->ddc_bus->aux;  in amdgpu_atombios_dp_link_train()