192 	int lane, lane_count, retval;  in analogix_dp_link_start()  local
214 		retval = drm_dp_dpcd_write(&dp->aux, DP_LINK_BW_SET, buf, 2);  in analogix_dp_link_start()
215 		if (retval < 0)  in analogix_dp_link_start()
216 			return retval;  in analogix_dp_link_start()
222 	retval = drm_dp_dpcd_write(&dp->aux, DP_DOWNSPREAD_CTRL, buf, 2);  in analogix_dp_link_start()
223 	if (retval < 0)  in analogix_dp_link_start()
224 		return retval;  in analogix_dp_link_start()
227 	retval = analogix_dp_set_assr_mode(dp);  in analogix_dp_link_start()
228 	if (retval < 0) {  in analogix_dp_link_start()
230 		return retval;  in analogix_dp_link_start()
234 	retval = analogix_dp_set_enhanced_mode(dp);  in analogix_dp_link_start()
235 	if (retval < 0) {  in analogix_dp_link_start()
237 		return retval;  in analogix_dp_link_start()
251 	retval = drm_dp_dpcd_writeb(&dp->aux, DP_TRAINING_PATTERN_SET,  in analogix_dp_link_start()
253 	if (retval < 0)  in analogix_dp_link_start()
254 		return retval;  in analogix_dp_link_start()
260 	retval = drm_dp_dpcd_write(&dp->aux, DP_TRAINING_LANE0_SET, buf,  in analogix_dp_link_start()
262 	if (retval < 0)  in analogix_dp_link_start()
263 		return retval;  in analogix_dp_link_start()
374 	int lane, lane_count, retval;  in analogix_dp_process_clock_recovery()  local
383 	retval =  drm_dp_dpcd_read(&dp->aux, DP_LANE0_1_STATUS, link_status, 2);  in analogix_dp_process_clock_recovery()
384 	if (retval < 0)  in analogix_dp_process_clock_recovery()
385 		return retval;  in analogix_dp_process_clock_recovery()
394 		retval = drm_dp_dpcd_writeb(&dp->aux, DP_TRAINING_PATTERN_SET,  in analogix_dp_process_clock_recovery()
398 		if (retval < 0)  in analogix_dp_process_clock_recovery()
399 			return retval;  in analogix_dp_process_clock_recovery()
406 		retval = drm_dp_dpcd_read(&dp->aux, DP_ADJUST_REQUEST_LANE0_1,  in analogix_dp_process_clock_recovery()
408 		if (retval < 0)  in analogix_dp_process_clock_recovery()
409 			return retval;  in analogix_dp_process_clock_recovery()
446 	retval = drm_dp_dpcd_write(&dp->aux, DP_TRAINING_LANE0_SET,  in analogix_dp_process_clock_recovery()
448 	if (retval < 0)  in analogix_dp_process_clock_recovery()
449 		return retval;  in analogix_dp_process_clock_recovery()
456 	int lane_count, retval;  in analogix_dp_process_equalizer_training()  local
464 	retval = drm_dp_dpcd_read(&dp->aux, DP_LANE0_1_STATUS, link_status, 2);  in analogix_dp_process_equalizer_training()
465 	if (retval < 0)  in analogix_dp_process_equalizer_training()
466 		return retval;  in analogix_dp_process_equalizer_training()
473 	retval = drm_dp_dpcd_readb(&dp->aux, DP_LANE_ALIGN_STATUS_UPDATED, &link_align);  in analogix_dp_process_equalizer_training()
474 	if (retval < 0)  in analogix_dp_process_equalizer_training()
475 		return retval;  in analogix_dp_process_equalizer_training()
479 		retval = analogix_dp_training_pattern_dis(dp);  in analogix_dp_process_equalizer_training()
480 		if (retval < 0)  in analogix_dp_process_equalizer_training()
481 			return retval;  in analogix_dp_process_equalizer_training()
507 	retval = drm_dp_dpcd_read(&dp->aux, DP_ADJUST_REQUEST_LANE0_1, adjust_request, 2);  in analogix_dp_process_equalizer_training()
508 	if (retval < 0)  in analogix_dp_process_equalizer_training()
509 		return retval;  in analogix_dp_process_equalizer_training()
514 	retval = drm_dp_dpcd_write(&dp->aux, DP_TRAINING_LANE0_SET,  in analogix_dp_process_equalizer_training()
516 	if (retval < 0)  in analogix_dp_process_equalizer_training()
517 		return retval;  in analogix_dp_process_equalizer_training()
723 	int retval = 0, training_finished = 0;  in analogix_dp_sw_link_training()  local
728 	while (!retval && !training_finished) {  in analogix_dp_sw_link_training()
731 			retval = analogix_dp_link_start(dp);  in analogix_dp_sw_link_training()
732 			if (retval)  in analogix_dp_sw_link_training()
736 			retval = analogix_dp_process_clock_recovery(dp);  in analogix_dp_sw_link_training()
737 			if (retval)  in analogix_dp_sw_link_training()
741 			retval = analogix_dp_process_equalizer_training(dp);  in analogix_dp_sw_link_training()
742 			if (retval)  in analogix_dp_sw_link_training()
753 	return retval;  in analogix_dp_sw_link_training()