50 					struct dp_link_info *link)  in dp_aux_link_power_up()  argument
56 	if (link->revision < 0x11)  in dp_aux_link_power_up()
78 					struct dp_link_info *link)  in dp_aux_link_power_down()  argument
83 	if (link->revision < 0x11)  in dp_aux_link_power_down()
100 static int dp_link_get_period(struct dp_link_private *link, int const addr)  in dp_link_get_period()  argument
107 	if (drm_dp_dpcd_readb(link->aux, addr, &data) < 0) {  in dp_link_get_period()
126 static int dp_link_parse_audio_channel_period(struct dp_link_private *link)  in dp_link_parse_audio_channel_period()  argument
129 	struct dp_link_test_audio *req = &link->dp_link.test_audio;  in dp_link_parse_audio_channel_period()
131 	ret = dp_link_get_period(link, DP_TEST_AUDIO_PERIOD_CH1);  in dp_link_parse_audio_channel_period()
136 	drm_dbg_dp(link->drm_dev, "test_audio_period_ch_1 = 0x%x\n", ret);  in dp_link_parse_audio_channel_period()
138 	ret = dp_link_get_period(link, DP_TEST_AUDIO_PERIOD_CH2);  in dp_link_parse_audio_channel_period()
143 	drm_dbg_dp(link->drm_dev, "test_audio_period_ch_2 = 0x%x\n", ret);  in dp_link_parse_audio_channel_period()
146 	ret = dp_link_get_period(link, DP_TEST_AUDIO_PERIOD_CH3);  in dp_link_parse_audio_channel_period()
151 	drm_dbg_dp(link->drm_dev, "test_audio_period_ch_3 = 0x%x\n", ret);  in dp_link_parse_audio_channel_period()
153 	ret = dp_link_get_period(link, DP_TEST_AUDIO_PERIOD_CH4);  in dp_link_parse_audio_channel_period()
158 	drm_dbg_dp(link->drm_dev, "test_audio_period_ch_4 = 0x%x\n", ret);  in dp_link_parse_audio_channel_period()
160 	ret = dp_link_get_period(link, DP_TEST_AUDIO_PERIOD_CH5);  in dp_link_parse_audio_channel_period()
165 	drm_dbg_dp(link->drm_dev, "test_audio_period_ch_5 = 0x%x\n", ret);  in dp_link_parse_audio_channel_period()
167 	ret = dp_link_get_period(link, DP_TEST_AUDIO_PERIOD_CH6);  in dp_link_parse_audio_channel_period()
172 	drm_dbg_dp(link->drm_dev, "test_audio_period_ch_6 = 0x%x\n", ret);  in dp_link_parse_audio_channel_period()
174 	ret = dp_link_get_period(link, DP_TEST_AUDIO_PERIOD_CH7);  in dp_link_parse_audio_channel_period()
179 	drm_dbg_dp(link->drm_dev, "test_audio_period_ch_7 = 0x%x\n", ret);  in dp_link_parse_audio_channel_period()
181 	ret = dp_link_get_period(link, DP_TEST_AUDIO_PERIOD_CH8);  in dp_link_parse_audio_channel_period()
186 	drm_dbg_dp(link->drm_dev, "test_audio_period_ch_8 = 0x%x\n", ret);  in dp_link_parse_audio_channel_period()
191 static int dp_link_parse_audio_pattern_type(struct dp_link_private *link)  in dp_link_parse_audio_pattern_type()  argument
198 	rlen = drm_dp_dpcd_readb(link->aux,  in dp_link_parse_audio_pattern_type()
212 	link->dp_link.test_audio.test_audio_pattern_type = data;  in dp_link_parse_audio_pattern_type()
213 	drm_dbg_dp(link->drm_dev, "audio pattern type = 0x%x\n", data);  in dp_link_parse_audio_pattern_type()
218 static int dp_link_parse_audio_mode(struct dp_link_private *link)  in dp_link_parse_audio_mode()  argument
228 	rlen = drm_dp_dpcd_readb(link->aux, DP_TEST_AUDIO_MODE, &data);  in dp_link_parse_audio_mode()
252 	link->dp_link.test_audio.test_audio_sampling_rate = sampling_rate;  in dp_link_parse_audio_mode()
253 	link->dp_link.test_audio.test_audio_channel_count = channel_count;  in dp_link_parse_audio_mode()
254 	drm_dbg_dp(link->drm_dev,  in dp_link_parse_audio_mode()
261 static int dp_link_parse_audio_pattern_params(struct dp_link_private *link)  in dp_link_parse_audio_pattern_params()  argument
265 	ret = dp_link_parse_audio_mode(link);  in dp_link_parse_audio_pattern_params()
269 	ret = dp_link_parse_audio_pattern_type(link);  in dp_link_parse_audio_pattern_params()
273 	ret = dp_link_parse_audio_channel_period(link);  in dp_link_parse_audio_pattern_params()
311 static int dp_link_parse_timing_params1(struct dp_link_private *link,  in dp_link_parse_timing_params1()  argument
321 	rlen = drm_dp_dpcd_read(link->aux, addr, bp, len);  in dp_link_parse_timing_params1()
332 static int dp_link_parse_timing_params2(struct dp_link_private *link,  in dp_link_parse_timing_params2()  argument
343 	rlen = drm_dp_dpcd_read(link->aux, addr, bp, len);  in dp_link_parse_timing_params2()
355 static int dp_link_parse_timing_params3(struct dp_link_private *link,  in dp_link_parse_timing_params3()  argument
362 	rlen = drm_dp_dpcd_read(link->aux, addr, &bp, len);  in dp_link_parse_timing_params3()
379 static int dp_link_parse_video_pattern_params(struct dp_link_private *link)  in dp_link_parse_video_pattern_params()  argument
385 	rlen = drm_dp_dpcd_readb(link->aux, DP_TEST_PATTERN, &bp);  in dp_link_parse_video_pattern_params()
398 	link->dp_link.test_video.test_video_pattern = bp;  in dp_link_parse_video_pattern_params()
401 	rlen = drm_dp_dpcd_readb(link->aux, DP_TEST_MISC0, &bp);  in dp_link_parse_video_pattern_params()
408 	link->dp_link.test_video.test_dyn_range =  in dp_link_parse_video_pattern_params()
419 	link->dp_link.test_video.test_bit_depth = bp;  in dp_link_parse_video_pattern_params()
422 	ret = dp_link_parse_timing_params1(link, DP_TEST_H_TOTAL_HI, 2,  in dp_link_parse_video_pattern_params()
423 			&link->dp_link.test_video.test_h_total);  in dp_link_parse_video_pattern_params()
429 	ret = dp_link_parse_timing_params1(link, DP_TEST_V_TOTAL_HI, 2,  in dp_link_parse_video_pattern_params()
430 			&link->dp_link.test_video.test_v_total);  in dp_link_parse_video_pattern_params()
436 	ret = dp_link_parse_timing_params1(link, DP_TEST_H_START_HI, 2,  in dp_link_parse_video_pattern_params()
437 			&link->dp_link.test_video.test_h_start);  in dp_link_parse_video_pattern_params()
443 	ret = dp_link_parse_timing_params1(link, DP_TEST_V_START_HI, 2,  in dp_link_parse_video_pattern_params()
444 			&link->dp_link.test_video.test_v_start);  in dp_link_parse_video_pattern_params()
450 	ret = dp_link_parse_timing_params2(link, DP_TEST_HSYNC_HI, 2,  in dp_link_parse_video_pattern_params()
451 			&link->dp_link.test_video.test_hsync_pol,  in dp_link_parse_video_pattern_params()
452 			&link->dp_link.test_video.test_hsync_width);  in dp_link_parse_video_pattern_params()
458 	ret = dp_link_parse_timing_params2(link, DP_TEST_VSYNC_HI, 2,  in dp_link_parse_video_pattern_params()
459 			&link->dp_link.test_video.test_vsync_pol,  in dp_link_parse_video_pattern_params()
460 			&link->dp_link.test_video.test_vsync_width);  in dp_link_parse_video_pattern_params()
466 	ret = dp_link_parse_timing_params1(link, DP_TEST_H_WIDTH_HI, 2,  in dp_link_parse_video_pattern_params()
467 			&link->dp_link.test_video.test_h_width);  in dp_link_parse_video_pattern_params()
473 	ret = dp_link_parse_timing_params1(link, DP_TEST_V_HEIGHT_HI, 2,  in dp_link_parse_video_pattern_params()
474 			&link->dp_link.test_video.test_v_height);  in dp_link_parse_video_pattern_params()
480 	ret = dp_link_parse_timing_params3(link, DP_TEST_MISC1,  in dp_link_parse_video_pattern_params()
481 		&link->dp_link.test_video.test_rr_d);  in dp_link_parse_video_pattern_params()
482 	link->dp_link.test_video.test_rr_d &= DP_TEST_REFRESH_DENOMINATOR;  in dp_link_parse_video_pattern_params()
488 	ret = dp_link_parse_timing_params3(link, DP_TEST_REFRESH_RATE_NUMERATOR,  in dp_link_parse_video_pattern_params()
489 		&link->dp_link.test_video.test_rr_n);  in dp_link_parse_video_pattern_params()
495 	drm_dbg_dp(link->drm_dev,  in dp_link_parse_video_pattern_params()
509 		link->dp_link.test_video.test_video_pattern,  in dp_link_parse_video_pattern_params()
510 		link->dp_link.test_video.test_dyn_range,  in dp_link_parse_video_pattern_params()
511 		link->dp_link.test_video.test_bit_depth,  in dp_link_parse_video_pattern_params()
512 		link->dp_link.test_video.test_h_total,  in dp_link_parse_video_pattern_params()
513 		link->dp_link.test_video.test_v_total,  in dp_link_parse_video_pattern_params()
514 		link->dp_link.test_video.test_h_start,  in dp_link_parse_video_pattern_params()
515 		link->dp_link.test_video.test_v_start,  in dp_link_parse_video_pattern_params()
516 		link->dp_link.test_video.test_hsync_pol,  in dp_link_parse_video_pattern_params()
517 		link->dp_link.test_video.test_hsync_width,  in dp_link_parse_video_pattern_params()
518 		link->dp_link.test_video.test_vsync_pol,  in dp_link_parse_video_pattern_params()
519 		link->dp_link.test_video.test_vsync_width,  in dp_link_parse_video_pattern_params()
520 		link->dp_link.test_video.test_h_width,  in dp_link_parse_video_pattern_params()
521 		link->dp_link.test_video.test_v_height,  in dp_link_parse_video_pattern_params()
522 		link->dp_link.test_video.test_rr_d,  in dp_link_parse_video_pattern_params()
523 		link->dp_link.test_video.test_rr_n);  in dp_link_parse_video_pattern_params()
536 static int dp_link_parse_link_training_params(struct dp_link_private *link)  in dp_link_parse_link_training_params()  argument
541 	rlen = drm_dp_dpcd_readb(link->aux, DP_TEST_LINK_RATE,	&bp);  in dp_link_parse_link_training_params()
552 	link->request.test_link_rate = bp;  in dp_link_parse_link_training_params()
553 	drm_dbg_dp(link->drm_dev, "link rate = 0x%x\n",  in dp_link_parse_link_training_params()
554 				link->request.test_link_rate);  in dp_link_parse_link_training_params()
556 	rlen = drm_dp_dpcd_readb(link->aux, DP_TEST_LANE_COUNT, &bp);  in dp_link_parse_link_training_params()
568 	link->request.test_lane_count = bp;  in dp_link_parse_link_training_params()
569 	drm_dbg_dp(link->drm_dev, "lane count = 0x%x\n",  in dp_link_parse_link_training_params()
570 				link->request.test_lane_count);  in dp_link_parse_link_training_params()
581 static int dp_link_parse_phy_test_params(struct dp_link_private *link)  in dp_link_parse_phy_test_params()  argument
586 	rlen = drm_dp_dpcd_readb(link->aux, DP_PHY_TEST_PATTERN,  in dp_link_parse_phy_test_params()
593 	link->dp_link.phy_params.phy_test_pattern_sel = data & 0x07;  in dp_link_parse_phy_test_params()
595 	drm_dbg_dp(link->drm_dev, "phy_test_pattern_sel = 0x%x\n", data);  in dp_link_parse_phy_test_params()
617 static bool dp_link_is_video_audio_test_requested(u32 link)  in dp_link_is_video_audio_test_requested()  argument
623 	return ((link & video_audio_test) &&  in dp_link_is_video_audio_test_requested()
624 		!(link & ~video_audio_test));  in dp_link_is_video_audio_test_requested()
634 static int dp_link_parse_request(struct dp_link_private *link)  in dp_link_parse_request()  argument
644 	rlen = drm_dp_dpcd_readb(link->aux,  in dp_link_parse_request()
651 	drm_dbg_dp(link->drm_dev, "device service irq vector = 0x%x\n", data);  in dp_link_parse_request()
654 		drm_dbg_dp(link->drm_dev, "no test requested\n");  in dp_link_parse_request()
662 	rlen = drm_dp_dpcd_readb(link->aux, DP_TEST_REQUEST, &data);  in dp_link_parse_request()
669 		drm_dbg_dp(link->drm_dev, "link 0x%x not supported\n", data);  in dp_link_parse_request()
673 	drm_dbg_dp(link->drm_dev, "Test:(0x%x) requested\n", data);  in dp_link_parse_request()
674 	link->request.test_requested = data;  in dp_link_parse_request()
675 	if (link->request.test_requested == DP_TEST_LINK_PHY_TEST_PATTERN) {  in dp_link_parse_request()
676 		ret = dp_link_parse_phy_test_params(link);  in dp_link_parse_request()
679 		ret = dp_link_parse_link_training_params(link);  in dp_link_parse_request()
684 	if (link->request.test_requested == DP_TEST_LINK_TRAINING) {  in dp_link_parse_request()
685 		ret = dp_link_parse_link_training_params(link);  in dp_link_parse_request()
691 			link->request.test_requested)) {  in dp_link_parse_request()
692 		ret = dp_link_parse_video_pattern_params(link);  in dp_link_parse_request()
696 		ret = dp_link_parse_audio_pattern_params(link);  in dp_link_parse_request()
704 		link->dp_link.test_response = DP_TEST_NAK;  in dp_link_parse_request()
706 		if (link->request.test_requested != DP_TEST_LINK_EDID_READ)  in dp_link_parse_request()
707 			link->dp_link.test_response = DP_TEST_ACK;  in dp_link_parse_request()
709 			link->dp_link.test_response =  in dp_link_parse_request()
729 	struct dp_link_private *link = container_of(dp_link,  in dp_link_parse_sink_count()  local
732 	rlen = drm_dp_dpcd_readb(link->aux, DP_SINK_COUNT,  in dp_link_parse_sink_count()
733 				 &link->dp_link.sink_count);  in dp_link_parse_sink_count()
739 	cp_ready = link->dp_link.sink_count & DP_SINK_CP_READY;  in dp_link_parse_sink_count()
741 	link->dp_link.sink_count =  in dp_link_parse_sink_count()
742 		DP_GET_SINK_COUNT(link->dp_link.sink_count);  in dp_link_parse_sink_count()
744 	drm_dbg_dp(link->drm_dev, "sink_count = 0x%x, cp_ready = 0x%x\n",  in dp_link_parse_sink_count()
745 				link->dp_link.sink_count, cp_ready);  in dp_link_parse_sink_count()
749 static int dp_link_parse_sink_status_field(struct dp_link_private *link)  in dp_link_parse_sink_status_field()  argument
753 	link->prev_sink_count = link->dp_link.sink_count;  in dp_link_parse_sink_status_field()
754 	len = dp_link_parse_sink_count(&link->dp_link);  in dp_link_parse_sink_status_field()
760 	len = drm_dp_dpcd_read_link_status(link->aux,  in dp_link_parse_sink_status_field()
761 		link->link_status);  in dp_link_parse_sink_status_field()
767 	return dp_link_parse_request(link);  in dp_link_parse_sink_status_field()
781 static int dp_link_process_link_training_request(struct dp_link_private *link)  in dp_link_process_link_training_request()  argument
783 	if (link->request.test_requested != DP_TEST_LINK_TRAINING)  in dp_link_process_link_training_request()
786 	drm_dbg_dp(link->drm_dev,  in dp_link_process_link_training_request()
789 			link->request.test_link_rate,  in dp_link_process_link_training_request()
790 			link->request.test_lane_count);  in dp_link_process_link_training_request()
792 	link->dp_link.link_params.num_lanes = link->request.test_lane_count;  in dp_link_process_link_training_request()
793 	link->dp_link.link_params.rate =  in dp_link_process_link_training_request()
794 		drm_dp_bw_code_to_link_rate(link->request.test_link_rate);  in dp_link_process_link_training_request()
801 	struct dp_link_private *link = NULL;  in dp_link_send_test_response()  local
809 	link = container_of(dp_link, struct dp_link_private, dp_link);  in dp_link_send_test_response()
811 	ret = drm_dp_dpcd_writeb(link->aux, DP_TEST_RESPONSE,  in dp_link_send_test_response()
820 	struct dp_link_private *link = NULL;  in dp_link_psm_config()  local
828 	link = container_of(dp_link, struct dp_link_private, dp_link);  in dp_link_psm_config()
830 	mutex_lock(&link->psm_mutex);  in dp_link_psm_config()
832 		ret = dp_aux_link_power_down(link->aux, link_info);  in dp_link_psm_config()
834 		ret = dp_aux_link_power_up(link->aux, link_info);  in dp_link_psm_config()
842 	mutex_unlock(&link->psm_mutex);  in dp_link_psm_config()
848 	struct dp_link_private *link = NULL;  in dp_link_send_edid_checksum()  local
856 	link = container_of(dp_link, struct dp_link_private, dp_link);  in dp_link_send_edid_checksum()
858 	ret = drm_dp_dpcd_writeb(link->aux, DP_TEST_EDID_CHECKSUM,  in dp_link_send_edid_checksum()
863 static void dp_link_parse_vx_px(struct dp_link_private *link)  in dp_link_parse_vx_px()  argument
865 	drm_dbg_dp(link->drm_dev, "vx: 0=%d, 1=%d, 2=%d, 3=%d\n",  in dp_link_parse_vx_px()
866 		drm_dp_get_adjust_request_voltage(link->link_status, 0),  in dp_link_parse_vx_px()
867 		drm_dp_get_adjust_request_voltage(link->link_status, 1),  in dp_link_parse_vx_px()
868 		drm_dp_get_adjust_request_voltage(link->link_status, 2),  in dp_link_parse_vx_px()
869 		drm_dp_get_adjust_request_voltage(link->link_status, 3));  in dp_link_parse_vx_px()
871 	drm_dbg_dp(link->drm_dev, "px: 0=%d, 1=%d, 2=%d, 3=%d\n",  in dp_link_parse_vx_px()
872 		drm_dp_get_adjust_request_pre_emphasis(link->link_status, 0),  in dp_link_parse_vx_px()
873 		drm_dp_get_adjust_request_pre_emphasis(link->link_status, 1),  in dp_link_parse_vx_px()
874 		drm_dp_get_adjust_request_pre_emphasis(link->link_status, 2),  in dp_link_parse_vx_px()
875 		drm_dp_get_adjust_request_pre_emphasis(link->link_status, 3));  in dp_link_parse_vx_px()
881 	drm_dbg_dp(link->drm_dev,  in dp_link_parse_vx_px()
883 			link->dp_link.phy_params.v_level,  in dp_link_parse_vx_px()
884 			link->dp_link.phy_params.p_level);  in dp_link_parse_vx_px()
885 	link->dp_link.phy_params.v_level =  in dp_link_parse_vx_px()
886 		drm_dp_get_adjust_request_voltage(link->link_status, 0);  in dp_link_parse_vx_px()
887 	link->dp_link.phy_params.p_level =  in dp_link_parse_vx_px()
888 		drm_dp_get_adjust_request_pre_emphasis(link->link_status, 0);  in dp_link_parse_vx_px()
890 	link->dp_link.phy_params.p_level >>= DP_TRAIN_PRE_EMPHASIS_SHIFT;  in dp_link_parse_vx_px()
892 	drm_dbg_dp(link->drm_dev,  in dp_link_parse_vx_px()
894 			link->dp_link.phy_params.v_level,  in dp_link_parse_vx_px()
895 			link->dp_link.phy_params.p_level);  in dp_link_parse_vx_px()
907 		struct dp_link_private *link)  in dp_link_process_phy_test_pattern_request()  argument
909 	if (!(link->request.test_requested & DP_TEST_LINK_PHY_TEST_PATTERN)) {  in dp_link_process_phy_test_pattern_request()
910 		drm_dbg_dp(link->drm_dev, "no phy test\n");  in dp_link_process_phy_test_pattern_request()
914 	if (!is_link_rate_valid(link->request.test_link_rate) ||  in dp_link_process_phy_test_pattern_request()
915 		!is_lane_count_valid(link->request.test_lane_count)) {  in dp_link_process_phy_test_pattern_request()
917 				link->request.test_link_rate,  in dp_link_process_phy_test_pattern_request()
918 				link->request.test_lane_count);  in dp_link_process_phy_test_pattern_request()
922 	drm_dbg_dp(link->drm_dev,  in dp_link_process_phy_test_pattern_request()
924 			link->dp_link.link_params.rate,  in dp_link_process_phy_test_pattern_request()
925 			link->dp_link.link_params.num_lanes);  in dp_link_process_phy_test_pattern_request()
927 	drm_dbg_dp(link->drm_dev,  in dp_link_process_phy_test_pattern_request()
929 			link->request.test_link_rate,  in dp_link_process_phy_test_pattern_request()
930 			link->request.test_lane_count);  in dp_link_process_phy_test_pattern_request()
932 	link->dp_link.link_params.num_lanes = link->request.test_lane_count;  in dp_link_process_phy_test_pattern_request()
933 	link->dp_link.link_params.rate =  in dp_link_process_phy_test_pattern_request()
934 		drm_dp_bw_code_to_link_rate(link->request.test_link_rate);  in dp_link_process_phy_test_pattern_request()
936 	dp_link_parse_vx_px(link);  in dp_link_process_phy_test_pattern_request()
941 static bool dp_link_read_psr_error_status(struct dp_link_private *link)  in dp_link_read_psr_error_status()  argument
945 	drm_dp_dpcd_read(link->aux, DP_PSR_ERROR_STATUS, &status, 1);  in dp_link_read_psr_error_status()
959 static bool dp_link_psr_capability_changed(struct dp_link_private *link)  in dp_link_psr_capability_changed()  argument
963 	drm_dp_dpcd_read(link->aux, DP_PSR_ESI, &status, 1);  in dp_link_psr_capability_changed()
966 		drm_dbg_dp(link->drm_dev, "PSR Capability Change\n");  in dp_link_psr_capability_changed()
989 static int dp_link_process_link_status_update(struct dp_link_private *link)  in dp_link_process_link_status_update()  argument
991 	bool channel_eq_done = drm_dp_channel_eq_ok(link->link_status,  in dp_link_process_link_status_update()
992 			link->dp_link.link_params.num_lanes);  in dp_link_process_link_status_update()
994 	bool clock_recovery_done = drm_dp_clock_recovery_ok(link->link_status,  in dp_link_process_link_status_update()
995 			link->dp_link.link_params.num_lanes);  in dp_link_process_link_status_update()
997 	drm_dbg_dp(link->drm_dev,  in dp_link_process_link_status_update()
1018 static int dp_link_process_ds_port_status_change(struct dp_link_private *link)  in dp_link_process_ds_port_status_change()  argument
1020 	if (get_link_status(link->link_status, DP_LANE_ALIGN_STATUS_UPDATED) &  in dp_link_process_ds_port_status_change()
1024 	if (link->prev_sink_count == link->dp_link.sink_count)  in dp_link_process_ds_port_status_change()
1029 	link->prev_sink_count = link->dp_link.sink_count;  in dp_link_process_ds_port_status_change()
1034 static bool dp_link_is_video_pattern_requested(struct dp_link_private *link)  in dp_link_is_video_pattern_requested()  argument
1036 	return (link->request.test_requested & DP_TEST_LINK_VIDEO_PATTERN)  in dp_link_is_video_pattern_requested()
1037 		&& !(link->request.test_requested &  in dp_link_is_video_pattern_requested()
1041 static bool dp_link_is_audio_pattern_requested(struct dp_link_private *link)  in dp_link_is_audio_pattern_requested()  argument
1043 	return (link->request.test_requested & DP_TEST_LINK_AUDIO_PATTERN);  in dp_link_is_audio_pattern_requested()
1046 static void dp_link_reset_data(struct dp_link_private *link)  in dp_link_reset_data()  argument
1048 	link->request = (const struct dp_link_request){ 0 };  in dp_link_reset_data()
1049 	link->dp_link.test_video = (const struct dp_link_test_video){ 0 };  in dp_link_reset_data()
1050 	link->dp_link.test_video.test_bit_depth = DP_TEST_BIT_DEPTH_UNKNOWN;  in dp_link_reset_data()
1051 	link->dp_link.test_audio = (const struct dp_link_test_audio){ 0 };  in dp_link_reset_data()
1052 	link->dp_link.phy_params.phy_test_pattern_sel = 0;  in dp_link_reset_data()
1053 	link->dp_link.sink_request = 0;  in dp_link_reset_data()
1054 	link->dp_link.test_response = 0;  in dp_link_reset_data()
1068 	struct dp_link_private *link;  in dp_link_process_request()  local
1075 	link = container_of(dp_link, struct dp_link_private, dp_link);  in dp_link_process_request()
1077 	dp_link_reset_data(link);  in dp_link_process_request()
1079 	ret = dp_link_parse_sink_status_field(link);  in dp_link_process_request()
1083 	if (link->request.test_requested == DP_TEST_LINK_EDID_READ) {  in dp_link_process_request()
1085 	} else if (!dp_link_process_ds_port_status_change(link)) {  in dp_link_process_request()
1087 	} else if (!dp_link_process_link_training_request(link)) {  in dp_link_process_request()
1089 	} else if (!dp_link_process_phy_test_pattern_request(link)) {  in dp_link_process_request()
1091 	} else if (dp_link_read_psr_error_status(link)) {  in dp_link_process_request()
1093 	} else if (dp_link_psr_capability_changed(link)) {  in dp_link_process_request()
1094 		drm_dbg_dp(link->drm_dev, "PSR Capability changed\n");  in dp_link_process_request()
1096 		ret = dp_link_process_link_status_update(link);  in dp_link_process_request()
1100 			if (dp_link_is_video_pattern_requested(link)) {  in dp_link_process_request()
1104 			if (dp_link_is_audio_pattern_requested(link)) {  in dp_link_process_request()
1111 	drm_dbg_dp(link->drm_dev, "sink request=%#x\n",  in dp_link_process_request()
1119 	struct dp_link_private *link;  in dp_link_get_colorimetry_config()  local
1126 	link = container_of(dp_link, struct dp_link_private, dp_link);  in dp_link_get_colorimetry_config()
1132 	if (dp_link_is_video_pattern_requested(link)) {  in dp_link_get_colorimetry_config()
1133 		if (link->dp_link.test_video.test_dyn_range &  in dp_link_get_colorimetry_config()
1146 	struct dp_link_private *link;  in dp_link_adjust_levels()  local
1153 	link = container_of(dp_link, struct dp_link_private, dp_link);  in dp_link_adjust_levels()
1160 		drm_dbg_dp(link->drm_dev,  in dp_link_adjust_levels()
1177 		drm_dbg_dp(link->drm_dev,  in dp_link_adjust_levels()
1185 		drm_dbg_dp(link->drm_dev,  in dp_link_adjust_levels()
1194 		drm_dbg_dp(link->drm_dev,  in dp_link_adjust_levels()
1201 	drm_dbg_dp(link->drm_dev, "adjusted: v_level=%d, p_level=%d\n",  in dp_link_adjust_levels()
1216 	struct dp_link_private *link;  in dp_link_get_test_bits_depth()  local
1218 	link = container_of(dp_link, struct dp_link_private, dp_link);  in dp_link_get_test_bits_depth()
1236 		drm_dbg_dp(link->drm_dev, "bpp=%d not supported, use bpc=8\n",  in dp_link_get_test_bits_depth()
1249 	struct dp_link_private *link;  in dp_link_get()  local
1257 	link = devm_kzalloc(dev, sizeof(*link), GFP_KERNEL);  in dp_link_get()
1258 	if (!link)  in dp_link_get()
1261 	link->dev   = dev;  in dp_link_get()
1262 	link->aux   = aux;  in dp_link_get()
1264 	mutex_init(&link->psm_mutex);  in dp_link_get()
1265 	dp_link = &link->dp_link;  in dp_link_get()