188 void amdgpu_atombios_dp_aux_init(struct amdgpu_connector *amdgpu_connector)  in amdgpu_atombios_dp_aux_init()  argument
190 	amdgpu_connector->ddc_bus->rec.hpd = amdgpu_connector->hpd.hpd;  in amdgpu_atombios_dp_aux_init()
191 	amdgpu_connector->ddc_bus->aux.transfer = amdgpu_atombios_dp_aux_transfer;  in amdgpu_atombios_dp_aux_init()
192 	amdgpu_connector->ddc_bus->aux.drm_dev = amdgpu_connector->base.dev;  in amdgpu_atombios_dp_aux_init()
194 	drm_dp_aux_init(&amdgpu_connector->ddc_bus->aux);  in amdgpu_atombios_dp_aux_init()
195 	amdgpu_connector->ddc_bus->has_aux = true;  in amdgpu_atombios_dp_aux_init()
308 u8 amdgpu_atombios_dp_get_sinktype(struct amdgpu_connector *amdgpu_connector)  in amdgpu_atombios_dp_get_sinktype()  argument
310 	struct drm_device *dev = amdgpu_connector->base.dev;  in amdgpu_atombios_dp_get_sinktype()
314 					   amdgpu_connector->ddc_bus->rec.i2c_id, 0);  in amdgpu_atombios_dp_get_sinktype()
317 static void amdgpu_atombios_dp_probe_oui(struct amdgpu_connector *amdgpu_connector)  in amdgpu_atombios_dp_probe_oui()  argument
319 	struct amdgpu_connector_atom_dig *dig_connector = amdgpu_connector->con_priv;  in amdgpu_atombios_dp_probe_oui()
325 	if (drm_dp_dpcd_read(&amdgpu_connector->ddc_bus->aux, DP_SINK_OUI, buf, 3) == 3)  in amdgpu_atombios_dp_probe_oui()
329 	if (drm_dp_dpcd_read(&amdgpu_connector->ddc_bus->aux, DP_BRANCH_OUI, buf, 3) == 3)  in amdgpu_atombios_dp_probe_oui()
334 static void amdgpu_atombios_dp_ds_ports(struct amdgpu_connector *amdgpu_connector)  in amdgpu_atombios_dp_ds_ports()  argument
336 	struct amdgpu_connector_atom_dig *dig_connector = amdgpu_connector->con_priv;  in amdgpu_atombios_dp_ds_ports()
340 		ret = drm_dp_dpcd_read(&amdgpu_connector->ddc_bus->aux,  in amdgpu_atombios_dp_ds_ports()
350 int amdgpu_atombios_dp_get_dpcd(struct amdgpu_connector *amdgpu_connector)  in amdgpu_atombios_dp_get_dpcd()  argument
352 	struct amdgpu_connector_atom_dig *dig_connector = amdgpu_connector->con_priv;  in amdgpu_atombios_dp_get_dpcd()
356 	ret = drm_dp_dpcd_read(&amdgpu_connector->ddc_bus->aux, DP_DPCD_REV,  in amdgpu_atombios_dp_get_dpcd()
364 		amdgpu_atombios_dp_probe_oui(amdgpu_connector);  in amdgpu_atombios_dp_get_dpcd()
365 		amdgpu_atombios_dp_ds_ports(amdgpu_connector);  in amdgpu_atombios_dp_get_dpcd()
376 	struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);  in amdgpu_atombios_dp_get_panel_mode()  local
381 	if (!amdgpu_connector->con_priv)  in amdgpu_atombios_dp_get_panel_mode()
386 		if (drm_dp_dpcd_readb(&amdgpu_connector->ddc_bus->aux,  in amdgpu_atombios_dp_get_panel_mode()
398 		if (drm_dp_dpcd_readb(&amdgpu_connector->ddc_bus->aux,  in amdgpu_atombios_dp_get_panel_mode()
411 	struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);  in amdgpu_atombios_dp_set_link_config()  local
415 	if (!amdgpu_connector->con_priv)  in amdgpu_atombios_dp_set_link_config()
417 	dig_connector = amdgpu_connector->con_priv;  in amdgpu_atombios_dp_set_link_config()
435 	struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);  in amdgpu_atombios_dp_mode_valid_helper()  local
440 	if (!amdgpu_connector->con_priv)  in amdgpu_atombios_dp_mode_valid_helper()
442 	dig_connector = amdgpu_connector->con_priv;  in amdgpu_atombios_dp_mode_valid_helper()
456 bool amdgpu_atombios_dp_needs_link_train(struct amdgpu_connector *amdgpu_connector)  in amdgpu_atombios_dp_needs_link_train()  argument
459 	struct amdgpu_connector_atom_dig *dig = amdgpu_connector->con_priv;  in amdgpu_atombios_dp_needs_link_train()
461 	if (drm_dp_dpcd_read_link_status(&amdgpu_connector->ddc_bus->aux, link_status)  in amdgpu_atombios_dp_needs_link_train()
472 	struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);  in amdgpu_atombios_dp_set_rx_power_state()  local
475 	if (!amdgpu_connector->con_priv)  in amdgpu_atombios_dp_set_rx_power_state()
478 	dig_connector = amdgpu_connector->con_priv;  in amdgpu_atombios_dp_set_rx_power_state()
482 		drm_dp_dpcd_writeb(&amdgpu_connector->ddc_bus->aux,  in amdgpu_atombios_dp_set_rx_power_state()
726 	struct amdgpu_connector *amdgpu_connector;  in amdgpu_atombios_dp_link_train()  local
734 	amdgpu_connector = to_amdgpu_connector(connector);  in amdgpu_atombios_dp_link_train()
735 	if (!amdgpu_connector->con_priv)  in amdgpu_atombios_dp_link_train()
737 	dig_connector = amdgpu_connector->con_priv;  in amdgpu_atombios_dp_link_train()
743 	if (drm_dp_dpcd_readb(&amdgpu_connector->ddc_bus->aux, DP_MAX_LANE_COUNT, &tmp)  in amdgpu_atombios_dp_link_train()
759 	dp_info.aux = &amdgpu_connector->ddc_bus->aux;  in amdgpu_atombios_dp_link_train()