100 	int err;  in anx6345_dp_link_training()  local
102 	err = anx6345_clear_bits(anx6345->map[I2C_IDX_TXCOM],  in anx6345_dp_link_training()
105 	if (err)  in anx6345_dp_link_training()
106 		return err;  in anx6345_dp_link_training()
108 	err = drm_dp_dpcd_readb(&anx6345->aux, DP_MAX_LINK_RATE, &dp_bw);  in anx6345_dp_link_training()
109 	if (err < 0)  in anx6345_dp_link_training()
110 		return err;  in anx6345_dp_link_training()
122 	err = anx6345_set_bits(anx6345->map[I2C_IDX_TXCOM], SP_VID_CTRL1_REG,  in anx6345_dp_link_training()
124 	if (err)  in anx6345_dp_link_training()
125 		return err;  in anx6345_dp_link_training()
127 	err = anx6345_clear_bits(anx6345->map[I2C_IDX_TXCOM],  in anx6345_dp_link_training()
129 	if (err)  in anx6345_dp_link_training()
130 		return err;  in anx6345_dp_link_training()
133 	err = drm_dp_dpcd_read(&anx6345->aux, DP_DPCD_REV,  in anx6345_dp_link_training()
135 	if (err < 0) {  in anx6345_dp_link_training()
136 		DRM_ERROR("Failed to read DPCD: %d\n", err);  in anx6345_dp_link_training()
137 		return err;  in anx6345_dp_link_training()
141 	err = anx6345_clear_bits(anx6345->map[I2C_IDX_DPTX],  in anx6345_dp_link_training()
143 	if (err)  in anx6345_dp_link_training()
144 		return err;  in anx6345_dp_link_training()
149 	err = regmap_write(anx6345->map[I2C_IDX_DPTX],  in anx6345_dp_link_training()
151 	if (err)  in anx6345_dp_link_training()
152 		return err;  in anx6345_dp_link_training()
157 		err = regmap_write(anx6345->map[I2C_IDX_DPTX],  in anx6345_dp_link_training()
159 		if (err)  in anx6345_dp_link_training()
160 			return err;  in anx6345_dp_link_training()
162 		err = drm_dp_dpcd_writeb(&anx6345->aux, DP_DOWNSPREAD_CTRL,  in anx6345_dp_link_training()
164 		if (err < 0)  in anx6345_dp_link_training()
165 			return err;  in anx6345_dp_link_training()
167 		err = drm_dp_dpcd_writeb(&anx6345->aux, DP_DOWNSPREAD_CTRL, 0);  in anx6345_dp_link_training()
168 		if (err < 0)  in anx6345_dp_link_training()
169 			return err;  in anx6345_dp_link_training()
174 		err = anx6345_set_bits(anx6345->map[I2C_IDX_DPTX],  in anx6345_dp_link_training()
178 		err = anx6345_clear_bits(anx6345->map[I2C_IDX_DPTX],  in anx6345_dp_link_training()
181 	if (err)  in anx6345_dp_link_training()
182 		return err;  in anx6345_dp_link_training()
185 	err = regmap_write(anx6345->map[I2C_IDX_DPTX],  in anx6345_dp_link_training()
187 	if (err)  in anx6345_dp_link_training()
188 		return err;  in anx6345_dp_link_training()
192 	err = regmap_write(anx6345->map[I2C_IDX_DPTX],  in anx6345_dp_link_training()
194 	if (err)  in anx6345_dp_link_training()
195 		return err;  in anx6345_dp_link_training()
200 	err = drm_dp_dpcd_write(&anx6345->aux, DP_LINK_BW_SET, dpcd,  in anx6345_dp_link_training()
203 	if (err < 0) {  in anx6345_dp_link_training()
204 		DRM_ERROR("Failed to configure link: %d\n", err);  in anx6345_dp_link_training()
205 		return err;  in anx6345_dp_link_training()
209 	err = regmap_write(anx6345->map[I2C_IDX_DPTX], SP_DP_LT_CTRL_REG,  in anx6345_dp_link_training()
211 	if (err)  in anx6345_dp_link_training()
212 		return err;  in anx6345_dp_link_training()
222 	int err, i;  in anx6345_tx_initialization()  local
225 	err = regmap_write(anx6345->map[I2C_IDX_TXCOM], SP_VID_CTRL2_REG,  in anx6345_tx_initialization()
227 	if (err)  in anx6345_tx_initialization()
228 		return err;  in anx6345_tx_initialization()
230 	err = regmap_write(anx6345->map[I2C_IDX_DPTX], SP_DP_PLL_CTRL_REG, 0);  in anx6345_tx_initialization()
231 	if (err)  in anx6345_tx_initialization()
232 		return err;  in anx6345_tx_initialization()
234 	err = regmap_write(anx6345->map[I2C_IDX_TXCOM],  in anx6345_tx_initialization()
236 	if (err)  in anx6345_tx_initialization()
237 		return err;  in anx6345_tx_initialization()
239 	err = regmap_write(anx6345->map[I2C_IDX_DPTX],  in anx6345_tx_initialization()
242 	if (err)  in anx6345_tx_initialization()
243 		return err;  in anx6345_tx_initialization()
245 	err = regmap_write(anx6345->map[I2C_IDX_DPTX],  in anx6345_tx_initialization()
247 	if (err)  in anx6345_tx_initialization()
248 		return err;  in anx6345_tx_initialization()
251 	err = anx6345_set_bits(anx6345->map[I2C_IDX_DPTX],  in anx6345_tx_initialization()
254 	if (err)  in anx6345_tx_initialization()
255 		return err;  in anx6345_tx_initialization()
259 		err = regmap_write(anx6345->map[I2C_IDX_DPTX],  in anx6345_tx_initialization()
261 		if (err)  in anx6345_tx_initialization()
262 			return err;  in anx6345_tx_initialization()
266 	err = anx6345_set_bits(anx6345->map[I2C_IDX_TXCOM],  in anx6345_tx_initialization()
268 	if (err)  in anx6345_tx_initialization()
269 		return err;  in anx6345_tx_initialization()
277 	int err;  in anx6345_poweron()  local
283 	err = regulator_enable(anx6345->dvdd12);  in anx6345_poweron()
284 	if (err) {  in anx6345_poweron()
286 			  err);  in anx6345_poweron()
293 	err = regulator_enable(anx6345->dvdd25);  in anx6345_poweron()
294 	if (err) {  in anx6345_poweron()
296 			  err);  in anx6345_poweron()
321 	int err;  in anx6345_poweroff()  local
329 	err = regulator_disable(anx6345->dvdd25);  in anx6345_poweroff()
330 	if (err) {  in anx6345_poweroff()
332 			  err);  in anx6345_poweroff()
338 	err = regulator_disable(anx6345->dvdd12);  in anx6345_poweroff()
339 	if (err) {  in anx6345_poweroff()
341 			  err);  in anx6345_poweroff()
352 	int err;  in anx6345_start()  local
358 	err = anx6345_clear_bits(anx6345->map[I2C_IDX_TXCOM],  in anx6345_start()
362 	err = anx6345_tx_initialization(anx6345);  in anx6345_start()
363 	if (err) {  in anx6345_start()
364 		DRM_ERROR("Failed eDP transmitter initialization: %d\n", err);  in anx6345_start()
366 		return err;  in anx6345_start()
369 	err = anx6345_dp_link_training(anx6345);  in anx6345_start()
370 	if (err) {  in anx6345_start()
371 		DRM_ERROR("Failed link training: %d\n", err);  in anx6345_start()
373 		return err;  in anx6345_start()
387 	int err;  in anx6345_config_dp_output()  local
389 	err = anx6345_clear_bits(anx6345->map[I2C_IDX_TXCOM], SP_VID_CTRL1_REG,  in anx6345_config_dp_output()
391 	if (err)  in anx6345_config_dp_output()
392 		return err;  in anx6345_config_dp_output()
395 	err = anx6345_set_bits(anx6345->map[I2C_IDX_TXCOM], SP_VID_CTRL1_REG,  in anx6345_config_dp_output()
397 	if (err)  in anx6345_config_dp_output()
398 		return err;  in anx6345_config_dp_output()
409 	int err;  in anx6345_get_downstream_info()  local
411 	err = drm_dp_dpcd_readb(&anx6345->aux, DP_SINK_COUNT, &value);  in anx6345_get_downstream_info()
412 	if (err < 0) {  in anx6345_get_downstream_info()
413 		DRM_ERROR("Get sink count failed %d\n", err);  in anx6345_get_downstream_info()
414 		return err;  in anx6345_get_downstream_info()
428 	int err, num_modes = 0;  in anx6345_get_modes()  local
439 		err = anx6345_get_downstream_info(anx6345);  in anx6345_get_modes()
440 		if (err) {  in anx6345_get_modes()
441 			DRM_ERROR("Failed to get downstream info: %d\n", err);  in anx6345_get_modes()
449 		err = drm_edid_connector_update(connector, anx6345->drm_edid);  in anx6345_get_modes()
450 		if (err) {  in anx6345_get_modes()
451 			DRM_ERROR("Failed to update EDID property: %d\n", err);  in anx6345_get_modes()
496 	int err;  in anx6345_bridge_attach()  local
509 	err = drm_dp_aux_register(&anx6345->aux);  in anx6345_bridge_attach()
510 	if (err < 0) {  in anx6345_bridge_attach()
511 		DRM_ERROR("Failed to register aux channel: %d\n", err);  in anx6345_bridge_attach()
512 		return err;  in anx6345_bridge_attach()
515 	err = drm_connector_init(bridge->dev, &anx6345->connector,  in anx6345_bridge_attach()
518 	if (err) {  in anx6345_bridge_attach()
519 		DRM_ERROR("Failed to initialize connector: %d\n", err);  in anx6345_bridge_attach()
528 	err = drm_connector_attach_encoder(&anx6345->connector,  in anx6345_bridge_attach()
530 	if (err) {  in anx6345_bridge_attach()
531 		DRM_ERROR("Failed to link up connector to encoder: %d\n", err);  in anx6345_bridge_attach()
535 	err = drm_connector_register(&anx6345->connector);  in anx6345_bridge_attach()
536 	if (err) {  in anx6345_bridge_attach()
537 		DRM_ERROR("Failed to register connector: %d\n", err);  in anx6345_bridge_attach()
546 	return err;  in anx6345_bridge_attach()
586 	int err;  in anx6345_bridge_enable()  local
591 	err = anx6345_start(anx6345);  in anx6345_bridge_enable()
592 	if (err) {  in anx6345_bridge_enable()
593 		DRM_ERROR("Failed to initialize: %d\n", err);  in anx6345_bridge_enable()
597 	err = anx6345_config_dp_output(anx6345);  in anx6345_bridge_enable()
598 	if (err)  in anx6345_bridge_enable()
599 		DRM_ERROR("Failed to enable DP output: %d\n", err);  in anx6345_bridge_enable()
665 	int i, err;  in anx6345_i2c_probe()  local
681 	err = drm_of_find_panel_or_bridge(client->dev.of_node, 1, 0,  in anx6345_i2c_probe()
683 	if (err == -EPROBE_DEFER)  in anx6345_i2c_probe()
684 		return err;  in anx6345_i2c_probe()
686 	if (err)  in anx6345_i2c_probe()
723 			err = PTR_ERR(anx6345->i2c_clients[i]);  in anx6345_i2c_probe()
732 			err = PTR_ERR(anx6345->map[i]);  in anx6345_i2c_probe()
747 		err = -ENODEV;  in anx6345_i2c_probe()
752 	return err;  in anx6345_i2c_probe()