111 bool intel_dp_is_edp(struct intel_dp *intel_dp)  in intel_dp_is_edp()  argument
113 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in intel_dp_is_edp()
118 static void intel_dp_unset_edid(struct intel_dp *intel_dp);
119 static int intel_dp_dsc_compute_bpp(struct intel_dp *intel_dp, u8 dsc_max_bpc);
127 static void intel_dp_set_default_sink_rates(struct intel_dp *intel_dp)  in intel_dp_set_default_sink_rates()  argument
129 	intel_dp->sink_rates[0] = 162000;  in intel_dp_set_default_sink_rates()
130 	intel_dp->num_sink_rates = 1;  in intel_dp_set_default_sink_rates()
134 static void intel_dp_set_dpcd_sink_rates(struct intel_dp *intel_dp)  in intel_dp_set_dpcd_sink_rates()  argument
142 	if (drm_dp_has_quirk(&intel_dp->desc, DP_DPCD_QUIRK_CAN_DO_MAX_LINK_RATE_3_24_GBPS)) {  in intel_dp_set_dpcd_sink_rates()
146 		memcpy(intel_dp->sink_rates, quirk_rates, sizeof(quirk_rates));  in intel_dp_set_dpcd_sink_rates()
147 		intel_dp->num_sink_rates = ARRAY_SIZE(quirk_rates);  in intel_dp_set_dpcd_sink_rates()
155 	max_rate = drm_dp_bw_code_to_link_rate(intel_dp->dpcd[DP_MAX_LINK_RATE]);  in intel_dp_set_dpcd_sink_rates()
156 	max_lttpr_rate = drm_dp_lttpr_max_link_rate(intel_dp->lttpr_common_caps);  in intel_dp_set_dpcd_sink_rates()
163 		intel_dp->sink_rates[i] = dp_rates[i];  in intel_dp_set_dpcd_sink_rates()
170 	if (intel_dp->dpcd[DP_MAIN_LINK_CHANNEL_CODING] & DP_CAP_ANSI_128B132B) {  in intel_dp_set_dpcd_sink_rates()
173 		BUILD_BUG_ON(ARRAY_SIZE(intel_dp->sink_rates) < ARRAY_SIZE(dp_rates) + 3);  in intel_dp_set_dpcd_sink_rates()
175 		drm_dp_dpcd_readb(&intel_dp->aux,  in intel_dp_set_dpcd_sink_rates()
178 		if (drm_dp_lttpr_count(intel_dp->lttpr_common_caps)) {  in intel_dp_set_dpcd_sink_rates()
180 			if (intel_dp->lttpr_common_caps[0] >= 0x20 &&  in intel_dp_set_dpcd_sink_rates()
181 			    intel_dp->lttpr_common_caps[DP_MAIN_LINK_CHANNEL_CODING_PHY_REPEATER -  in intel_dp_set_dpcd_sink_rates()
185 				uhbr_rates &= intel_dp->lttpr_common_caps[DP_PHY_REPEATER_128B132B_RATES -  in intel_dp_set_dpcd_sink_rates()
194 			intel_dp->sink_rates[i++] = 1000000;  in intel_dp_set_dpcd_sink_rates()
196 			intel_dp->sink_rates[i++] = 1350000;  in intel_dp_set_dpcd_sink_rates()
198 			intel_dp->sink_rates[i++] = 2000000;  in intel_dp_set_dpcd_sink_rates()
201 	intel_dp->num_sink_rates = i;  in intel_dp_set_dpcd_sink_rates()
204 static void intel_dp_set_sink_rates(struct intel_dp *intel_dp)  in intel_dp_set_sink_rates()  argument
206 	struct intel_connector *connector = intel_dp->attached_connector;  in intel_dp_set_sink_rates()
207 	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);  in intel_dp_set_sink_rates()
210 	intel_dp_set_dpcd_sink_rates(intel_dp);  in intel_dp_set_sink_rates()
212 	if (intel_dp->num_sink_rates)  in intel_dp_set_sink_rates()
215 	drm_err(&dp_to_i915(intel_dp)->drm,  in intel_dp_set_sink_rates()
220 	intel_dp_set_default_sink_rates(intel_dp);  in intel_dp_set_sink_rates()
223 static void intel_dp_set_default_max_sink_lane_count(struct intel_dp *intel_dp)  in intel_dp_set_default_max_sink_lane_count()  argument
225 	intel_dp->max_sink_lane_count = 1;  in intel_dp_set_default_max_sink_lane_count()
228 static void intel_dp_set_max_sink_lane_count(struct intel_dp *intel_dp)  in intel_dp_set_max_sink_lane_count()  argument
230 	struct intel_connector *connector = intel_dp->attached_connector;  in intel_dp_set_max_sink_lane_count()
231 	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);  in intel_dp_set_max_sink_lane_count()
234 	intel_dp->max_sink_lane_count = drm_dp_max_lane_count(intel_dp->dpcd);  in intel_dp_set_max_sink_lane_count()
236 	switch (intel_dp->max_sink_lane_count) {  in intel_dp_set_max_sink_lane_count()
243 	drm_err(&dp_to_i915(intel_dp)->drm,  in intel_dp_set_max_sink_lane_count()
247 		intel_dp->max_sink_lane_count);  in intel_dp_set_max_sink_lane_count()
249 	intel_dp_set_default_max_sink_lane_count(intel_dp);  in intel_dp_set_max_sink_lane_count()
267 static int intel_dp_common_len_rate_limit(const struct intel_dp *intel_dp,  in intel_dp_common_len_rate_limit()  argument
270 	return intel_dp_rate_limit_len(intel_dp->common_rates,  in intel_dp_common_len_rate_limit()
271 				       intel_dp->num_common_rates, max_rate);  in intel_dp_common_len_rate_limit()
274 static int intel_dp_common_rate(struct intel_dp *intel_dp, int index)  in intel_dp_common_rate()  argument
276 	if (drm_WARN_ON(&dp_to_i915(intel_dp)->drm,  in intel_dp_common_rate()
277 			index < 0 || index >= intel_dp->num_common_rates))  in intel_dp_common_rate()
280 	return intel_dp->common_rates[index];  in intel_dp_common_rate()
284 static int intel_dp_max_common_rate(struct intel_dp *intel_dp)  in intel_dp_max_common_rate()  argument
286 	return intel_dp_common_rate(intel_dp, intel_dp->num_common_rates - 1);  in intel_dp_max_common_rate()
301 static int intel_dp_max_common_lane_count(struct intel_dp *intel_dp)  in intel_dp_max_common_lane_count()  argument
303 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in intel_dp_max_common_lane_count()
305 	int sink_max = intel_dp->max_sink_lane_count;  in intel_dp_max_common_lane_count()
307 	int lttpr_max = drm_dp_lttpr_max_lane_count(intel_dp->lttpr_common_caps);  in intel_dp_max_common_lane_count()
315 int intel_dp_max_lane_count(struct intel_dp *intel_dp)  in intel_dp_max_lane_count()  argument
317 	switch (intel_dp->max_link_lane_count) {  in intel_dp_max_lane_count()
321 		return intel_dp->max_link_lane_count;  in intel_dp_max_lane_count()
323 		MISSING_CASE(intel_dp->max_link_lane_count);  in intel_dp_max_lane_count()
387 bool intel_dp_can_bigjoiner(struct intel_dp *intel_dp)  in intel_dp_can_bigjoiner()  argument
389 	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);  in intel_dp_can_bigjoiner()
398 static int dg2_max_source_rate(struct intel_dp *intel_dp)  in dg2_max_source_rate()  argument
400 	return intel_dp_is_edp(intel_dp) ? 810000 : 1350000;  in dg2_max_source_rate()
403 static int icl_max_source_rate(struct intel_dp *intel_dp)  in icl_max_source_rate()  argument
405 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in icl_max_source_rate()
409 	if (intel_phy_is_combo(dev_priv, phy) && !intel_dp_is_edp(intel_dp))  in icl_max_source_rate()
415 static int ehl_max_source_rate(struct intel_dp *intel_dp)  in ehl_max_source_rate()  argument
417 	if (intel_dp_is_edp(intel_dp))  in ehl_max_source_rate()
423 static int vbt_max_link_rate(struct intel_dp *intel_dp)  in vbt_max_link_rate()  argument
425 	struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;  in vbt_max_link_rate()
430 	if (intel_dp_is_edp(intel_dp)) {  in vbt_max_link_rate()
431 		struct intel_connector *connector = intel_dp->attached_connector;  in vbt_max_link_rate()
444 intel_dp_set_source_rates(struct intel_dp *intel_dp)  in intel_dp_set_source_rates()  argument
463 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in intel_dp_set_source_rates()
470 		    intel_dp->source_rates || intel_dp->num_source_rates);  in intel_dp_set_source_rates()
476 			max_rate = dg2_max_source_rate(intel_dp);  in intel_dp_set_source_rates()
481 			max_rate = ehl_max_source_rate(intel_dp);  in intel_dp_set_source_rates()
483 			max_rate = icl_max_source_rate(intel_dp);  in intel_dp_set_source_rates()
499 	vbt_max_rate = vbt_max_link_rate(intel_dp);  in intel_dp_set_source_rates()
508 	intel_dp->source_rates = source_rates;  in intel_dp_set_source_rates()
509 	intel_dp->num_source_rates = size;  in intel_dp_set_source_rates()
547 static void intel_dp_set_common_rates(struct intel_dp *intel_dp)  in intel_dp_set_common_rates()  argument
549 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_set_common_rates()
552 		    !intel_dp->num_source_rates || !intel_dp->num_sink_rates);  in intel_dp_set_common_rates()
554 	intel_dp->num_common_rates = intersect_rates(intel_dp->source_rates,  in intel_dp_set_common_rates()
555 						     intel_dp->num_source_rates,  in intel_dp_set_common_rates()
556 						     intel_dp->sink_rates,  in intel_dp_set_common_rates()
557 						     intel_dp->num_sink_rates,  in intel_dp_set_common_rates()
558 						     intel_dp->common_rates);  in intel_dp_set_common_rates()
561 	if (drm_WARN_ON(&i915->drm, intel_dp->num_common_rates == 0)) {  in intel_dp_set_common_rates()
562 		intel_dp->common_rates[0] = 162000;  in intel_dp_set_common_rates()
563 		intel_dp->num_common_rates = 1;  in intel_dp_set_common_rates()
567 static bool intel_dp_link_params_valid(struct intel_dp *intel_dp, int link_rate,  in intel_dp_link_params_valid()  argument
576 	    link_rate > intel_dp->max_link_rate)  in intel_dp_link_params_valid()
580 	    lane_count > intel_dp_max_lane_count(intel_dp))  in intel_dp_link_params_valid()
586 static bool intel_dp_can_link_train_fallback_for_edp(struct intel_dp *intel_dp,  in intel_dp_can_link_train_fallback_for_edp()  argument
592 		intel_panel_preferred_fixed_mode(intel_dp->attached_connector);  in intel_dp_can_link_train_fallback_for_edp()
603 int intel_dp_get_link_train_fallback_values(struct intel_dp *intel_dp,  in intel_dp_get_link_train_fallback_values()  argument
606 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_get_link_train_fallback_values()
613 	if (intel_dp->is_mst) {  in intel_dp_get_link_train_fallback_values()
618 	if (intel_dp_is_edp(intel_dp) && !intel_dp->use_max_params) {  in intel_dp_get_link_train_fallback_values()
621 		intel_dp->use_max_params = true;  in intel_dp_get_link_train_fallback_values()
625 	index = intel_dp_rate_index(intel_dp->common_rates,  in intel_dp_get_link_train_fallback_values()
626 				    intel_dp->num_common_rates,  in intel_dp_get_link_train_fallback_values()
629 		if (intel_dp_is_edp(intel_dp) &&  in intel_dp_get_link_train_fallback_values()
630 		    !intel_dp_can_link_train_fallback_for_edp(intel_dp,  in intel_dp_get_link_train_fallback_values()
631 							      intel_dp_common_rate(intel_dp, index - 1),  in intel_dp_get_link_train_fallback_values()
637 		intel_dp->max_link_rate = intel_dp_common_rate(intel_dp, index - 1);  in intel_dp_get_link_train_fallback_values()
638 		intel_dp->max_link_lane_count = lane_count;  in intel_dp_get_link_train_fallback_values()
640 		if (intel_dp_is_edp(intel_dp) &&  in intel_dp_get_link_train_fallback_values()
641 		    !intel_dp_can_link_train_fallback_for_edp(intel_dp,  in intel_dp_get_link_train_fallback_values()
642 							      intel_dp_max_common_rate(intel_dp),  in intel_dp_get_link_train_fallback_values()
648 		intel_dp->max_link_rate = intel_dp_max_common_rate(intel_dp);  in intel_dp_get_link_train_fallback_values()
649 		intel_dp->max_link_lane_count = lane_count >> 1;  in intel_dp_get_link_train_fallback_values()
740 static u8 intel_dp_dsc_get_slice_count(struct intel_dp *intel_dp,  in intel_dp_dsc_get_slice_count()  argument
744 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_dsc_get_slice_count()
755 	max_slice_width = drm_dp_dsc_sink_max_slice_width(intel_dp->dsc_dpcd);  in intel_dp_dsc_get_slice_count()
772 		    drm_dp_dsc_sink_max_slice_count(intel_dp->dsc_dpcd, false))  in intel_dp_dsc_get_slice_count()
792 	struct intel_dp *intel_dp = intel_attached_dp(connector);  in intel_dp_output_format()  local
797 	if (intel_dp->dfp.rgb_to_ycbcr &&  in intel_dp_output_format()
798 	    intel_dp->dfp.ycbcr_444_to_420)  in intel_dp_output_format()
801 	if (intel_dp->dfp.ycbcr_444_to_420)  in intel_dp_output_format()
858 static int intel_dp_max_tmds_clock(struct intel_dp *intel_dp)  in intel_dp_max_tmds_clock()  argument
860 	struct intel_connector *connector = intel_dp->attached_connector;  in intel_dp_max_tmds_clock()
862 	int max_tmds_clock = intel_dp->dfp.max_tmds_clock;  in intel_dp_max_tmds_clock()
872 intel_dp_tmds_clock_valid(struct intel_dp *intel_dp,  in intel_dp_tmds_clock_valid()  argument
883 	min_tmds_clock = intel_dp->dfp.min_tmds_clock;  in intel_dp_tmds_clock_valid()
884 	max_tmds_clock = intel_dp_max_tmds_clock(intel_dp);  in intel_dp_tmds_clock_valid()
900 	struct intel_dp *intel_dp = intel_attached_dp(connector);  in intel_dp_mode_valid_downstream()  local
906 	if (intel_dp->dfp.pcon_max_frl_bw) {  in intel_dp_mode_valid_downstream()
913 		max_frl_bw = intel_dp->dfp.pcon_max_frl_bw;  in intel_dp_mode_valid_downstream()
924 	if (intel_dp->dfp.max_dotclock &&  in intel_dp_mode_valid_downstream()
925 	    target_clock > intel_dp->dfp.max_dotclock)  in intel_dp_mode_valid_downstream()
931 	status = intel_dp_tmds_clock_valid(intel_dp, target_clock,  in intel_dp_mode_valid_downstream()
940 		status = intel_dp_tmds_clock_valid(intel_dp, target_clock,  in intel_dp_mode_valid_downstream()
949 static bool intel_dp_need_bigjoiner(struct intel_dp *intel_dp,  in intel_dp_need_bigjoiner()  argument
952 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_need_bigjoiner()
954 	if (!intel_dp_can_bigjoiner(intel_dp))  in intel_dp_need_bigjoiner()
965 	struct intel_dp *intel_dp = intel_attached_dp(connector);  in intel_dp_mode_valid()  local
983 	if (intel_dp_is_edp(intel_dp) && fixed_mode) {  in intel_dp_mode_valid()
994 	if (intel_dp_need_bigjoiner(intel_dp, mode->hdisplay, target_clock)) {  in intel_dp_mode_valid()
1001 	max_link_clock = intel_dp_max_link_rate(intel_dp);  in intel_dp_mode_valid()
1002 	max_lanes = intel_dp_max_lane_count(intel_dp);  in intel_dp_mode_valid()
1016 	    drm_dp_sink_supports_dsc(intel_dp->dsc_dpcd)) {  in intel_dp_mode_valid()
1021 		int pipe_bpp = intel_dp_dsc_compute_bpp(intel_dp, U8_MAX);  in intel_dp_mode_valid()
1023 		if (intel_dp_is_edp(intel_dp)) {  in intel_dp_mode_valid()
1025 				drm_edp_dsc_sink_output_bpp(intel_dp->dsc_dpcd) >> 4;  in intel_dp_mode_valid()
1027 				drm_dp_dsc_sink_max_slice_count(intel_dp->dsc_dpcd,  in intel_dp_mode_valid()
1029 		} else if (drm_dp_sink_supports_fec(intel_dp->fec_capable)) {  in intel_dp_mode_valid()
1039 				intel_dp_dsc_get_slice_count(intel_dp,  in intel_dp_mode_valid()
1091 static void intel_dp_print_rates(struct intel_dp *intel_dp)  in intel_dp_print_rates()  argument
1093 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_print_rates()
1100 			   intel_dp->source_rates, intel_dp->num_source_rates);  in intel_dp_print_rates()
1104 			   intel_dp->sink_rates, intel_dp->num_sink_rates);  in intel_dp_print_rates()
1108 			   intel_dp->common_rates, intel_dp->num_common_rates);  in intel_dp_print_rates()
1113 intel_dp_max_link_rate(struct intel_dp *intel_dp)  in intel_dp_max_link_rate()  argument
1117 	len = intel_dp_common_len_rate_limit(intel_dp, intel_dp->max_link_rate);  in intel_dp_max_link_rate()
1119 	return intel_dp_common_rate(intel_dp, len - 1);  in intel_dp_max_link_rate()
1122 int intel_dp_rate_select(struct intel_dp *intel_dp, int rate)  in intel_dp_rate_select()  argument
1124 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_rate_select()
1125 	int i = intel_dp_rate_index(intel_dp->sink_rates,  in intel_dp_rate_select()
1126 				    intel_dp->num_sink_rates, rate);  in intel_dp_rate_select()
1134 void intel_dp_compute_rate(struct intel_dp *intel_dp, int port_clock,  in intel_dp_compute_rate()  argument
1138 	if (intel_dp->use_rate_select) {  in intel_dp_compute_rate()
1141 			intel_dp_rate_select(intel_dp, port_clock);  in intel_dp_compute_rate()
1148 static bool intel_dp_source_supports_fec(struct intel_dp *intel_dp,  in intel_dp_source_supports_fec()  argument
1151 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);  in intel_dp_source_supports_fec()
1163 static bool intel_dp_supports_fec(struct intel_dp *intel_dp,  in intel_dp_supports_fec()  argument
1166 	return intel_dp_source_supports_fec(intel_dp, pipe_config) &&  in intel_dp_supports_fec()
1167 		drm_dp_sink_supports_fec(intel_dp->fec_capable);  in intel_dp_supports_fec()
1170 static bool intel_dp_supports_dsc(struct intel_dp *intel_dp,  in intel_dp_supports_dsc()  argument
1177 		drm_dp_sink_supports_dsc(intel_dp->dsc_dpcd);  in intel_dp_supports_dsc()
1180 static bool intel_dp_is_ycbcr420(struct intel_dp *intel_dp,  in intel_dp_is_ycbcr420()  argument
1185 		 intel_dp->dfp.ycbcr_444_to_420);  in intel_dp_is_ycbcr420()
1188 static int intel_dp_hdmi_compute_bpc(struct intel_dp *intel_dp,  in intel_dp_hdmi_compute_bpc()  argument
1192 	bool ycbcr420_output = intel_dp_is_ycbcr420(intel_dp, crtc_state);  in intel_dp_hdmi_compute_bpc()
1212 					    intel_dp->has_hdmi_sink, ycbcr420_output) &&  in intel_dp_hdmi_compute_bpc()
1213 		    intel_dp_tmds_clock_valid(intel_dp, clock, bpc, ycbcr420_output,  in intel_dp_hdmi_compute_bpc()
1221 static int intel_dp_max_bpp(struct intel_dp *intel_dp,  in intel_dp_max_bpp()  argument
1225 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);  in intel_dp_max_bpp()
1226 	struct intel_connector *intel_connector = intel_dp->attached_connector;  in intel_dp_max_bpp()
1231 	if (intel_dp->dfp.max_bpc)  in intel_dp_max_bpp()
1232 		bpc = min_t(int, bpc, intel_dp->dfp.max_bpc);  in intel_dp_max_bpp()
1234 	if (intel_dp->dfp.min_tmds_clock) {  in intel_dp_max_bpp()
1237 		max_hdmi_bpc = intel_dp_hdmi_compute_bpc(intel_dp, crtc_state, bpc,  in intel_dp_max_bpp()
1246 	if (intel_dp_is_edp(intel_dp)) {  in intel_dp_max_bpp()
1263 intel_dp_adjust_compliance_config(struct intel_dp *intel_dp,  in intel_dp_adjust_compliance_config()  argument
1267 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_adjust_compliance_config()
1270 	if (intel_dp->compliance.test_data.bpc != 0) {  in intel_dp_adjust_compliance_config()
1271 		int bpp = 3 * intel_dp->compliance.test_data.bpc;  in intel_dp_adjust_compliance_config()
1280 	if (intel_dp->compliance.test_type == DP_TEST_LINK_TRAINING) {  in intel_dp_adjust_compliance_config()
1286 		if (intel_dp_link_params_valid(intel_dp, intel_dp->compliance.test_link_rate,  in intel_dp_adjust_compliance_config()
1287 					       intel_dp->compliance.test_lane_count)) {  in intel_dp_adjust_compliance_config()
1288 			index = intel_dp_rate_index(intel_dp->common_rates,  in intel_dp_adjust_compliance_config()
1289 						    intel_dp->num_common_rates,  in intel_dp_adjust_compliance_config()
1290 						    intel_dp->compliance.test_link_rate);  in intel_dp_adjust_compliance_config()
1293 					intel_dp->compliance.test_link_rate;  in intel_dp_adjust_compliance_config()
1295 				intel_dp->compliance.test_lane_count;  in intel_dp_adjust_compliance_config()
1327 intel_dp_compute_link_config_wide(struct intel_dp *intel_dp,  in intel_dp_compute_link_config_wide()  argument
1340 		for (i = 0; i < intel_dp->num_common_rates; i++) {  in intel_dp_compute_link_config_wide()
1341 			link_rate = intel_dp_common_rate(intel_dp, i);  in intel_dp_compute_link_config_wide()
1366 static int intel_dp_dsc_compute_bpp(struct intel_dp *intel_dp, u8 max_req_bpc)  in intel_dp_dsc_compute_bpp()  argument
1368 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_dsc_compute_bpp()
1379 	num_bpc = drm_dp_dsc_sink_supported_input_bpcs(intel_dp->dsc_dpcd,  in intel_dp_dsc_compute_bpp()
1389 static int intel_dp_source_dsc_version_minor(struct intel_dp *intel_dp)  in intel_dp_source_dsc_version_minor()  argument
1391 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_source_dsc_version_minor()
1396 static int intel_dp_sink_dsc_version_minor(struct intel_dp *intel_dp)  in intel_dp_sink_dsc_version_minor()  argument
1398 	return (intel_dp->dsc_dpcd[DP_DSC_REV - DP_DSC_SUPPORT] & DP_DSC_MINOR_MASK) >>  in intel_dp_sink_dsc_version_minor()
1406 	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);  in intel_dp_dsc_compute_params()  local
1437 		(intel_dp->dsc_dpcd[DP_DSC_REV - DP_DSC_SUPPORT] &  in intel_dp_dsc_compute_params()
1440 		min(intel_dp_source_dsc_version_minor(intel_dp),  in intel_dp_dsc_compute_params()
1441 		    intel_dp_sink_dsc_version_minor(intel_dp));  in intel_dp_dsc_compute_params()
1443 	vdsc_cfg->convert_rgb = intel_dp->dsc_dpcd[DP_DSC_DEC_COLOR_FORMAT_CAP - DP_DSC_SUPPORT] &  in intel_dp_dsc_compute_params()
1446 	line_buf_depth = drm_dp_dsc_sink_line_buf_depth(intel_dp->dsc_dpcd);  in intel_dp_dsc_compute_params()
1461 		intel_dp->dsc_dpcd[DP_DSC_BLK_PREDICTION_SUPPORT - DP_DSC_SUPPORT] &  in intel_dp_dsc_compute_params()
1467 static int intel_dp_dsc_compute_config(struct intel_dp *intel_dp,  in intel_dp_dsc_compute_config()  argument
1472 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in intel_dp_dsc_compute_config()
1479 	pipe_config->fec_enable = !intel_dp_is_edp(intel_dp) &&  in intel_dp_dsc_compute_config()
1480 		intel_dp_supports_fec(intel_dp, pipe_config);  in intel_dp_dsc_compute_config()
1482 	if (!intel_dp_supports_dsc(intel_dp, pipe_config))  in intel_dp_dsc_compute_config()
1485 	pipe_bpp = intel_dp_dsc_compute_bpp(intel_dp, conn_state->max_requested_bpc);  in intel_dp_dsc_compute_config()
1487 	if (intel_dp->force_dsc_bpc) {  in intel_dp_dsc_compute_config()
1488 		pipe_bpp = intel_dp->force_dsc_bpc * 3;  in intel_dp_dsc_compute_config()
1508 	if (intel_dp_is_edp(intel_dp)) {  in intel_dp_dsc_compute_config()
1510 			min_t(u16, drm_edp_dsc_sink_output_bpp(intel_dp->dsc_dpcd) >> 4,  in intel_dp_dsc_compute_config()
1513 			drm_dp_dsc_sink_max_slice_count(intel_dp->dsc_dpcd,  in intel_dp_dsc_compute_config()
1528 			intel_dp_dsc_get_slice_count(intel_dp,  in intel_dp_dsc_compute_config()
1589 	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);  in intel_dp_compute_link_config()  local
1594 	limits.min_rate = intel_dp_common_rate(intel_dp, 0);  in intel_dp_compute_link_config()
1595 	limits.max_rate = intel_dp_max_link_rate(intel_dp);  in intel_dp_compute_link_config()
1598 	limits.max_lane_count = intel_dp_max_lane_count(intel_dp);  in intel_dp_compute_link_config()
1601 	limits.max_bpp = intel_dp_max_bpp(intel_dp, pipe_config, respect_downstream_limits);  in intel_dp_compute_link_config()
1603 	if (intel_dp->use_max_params) {  in intel_dp_compute_link_config()
1616 	intel_dp_adjust_compliance_config(intel_dp, pipe_config, &limits);  in intel_dp_compute_link_config()
1623 	if (intel_dp_need_bigjoiner(intel_dp, adjusted_mode->crtc_hdisplay,  in intel_dp_compute_link_config()
1638 	ret = intel_dp_compute_link_config_wide(intel_dp, pipe_config, conn_state, &limits);  in intel_dp_compute_link_config()
1640 	if (ret || joiner_needs_dsc || intel_dp->force_dsc_en) {  in intel_dp_compute_link_config()
1643 			    str_yes_no(intel_dp->force_dsc_en));  in intel_dp_compute_link_config()
1644 		ret = intel_dp_dsc_compute_config(intel_dp, pipe_config,  in intel_dp_compute_link_config()
1802 static void intel_dp_compute_vsc_sdp(struct intel_dp *intel_dp,  in intel_dp_compute_vsc_sdp()  argument
1821 void intel_dp_compute_psr_vsc_sdp(struct intel_dp *intel_dp,  in intel_dp_compute_psr_vsc_sdp()  argument
1829 		if (intel_dp->psr.colorimetry_support &&  in intel_dp_compute_psr_vsc_sdp()
1856 intel_dp_compute_hdr_metadata_infoframe_sdp(struct intel_dp *intel_dp,  in intel_dp_compute_hdr_metadata_infoframe_sdp()  argument
1861 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);  in intel_dp_compute_hdr_metadata_infoframe_sdp()
1958 	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);  in intel_dp_has_audio()  local
1966 		return intel_dp->has_audio;  in intel_dp_has_audio()
1978 	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);  in intel_dp_compute_output_format()  local
1979 	struct intel_connector *connector = intel_dp->attached_connector;  in intel_dp_compute_output_format()
1989 	if (ycbcr_420_only && !intel_dp_is_ycbcr420(intel_dp, crtc_state)) {  in intel_dp_compute_output_format()
1998 		if (intel_dp_is_ycbcr420(intel_dp, crtc_state) ||  in intel_dp_compute_output_format()
2018 	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);  in intel_dp_compute_config()  local
2020 	struct intel_connector *connector = intel_dp->attached_connector;  in intel_dp_compute_config()
2029 	if (intel_dp_is_edp(intel_dp) && fixed_mode) {  in intel_dp_compute_config()
2058 	if ((intel_dp_is_edp(intel_dp) && fixed_mode) ||  in intel_dp_compute_config()
2074 	if (intel_dp->mso_link_count) {  in intel_dp_compute_config()
2075 		int n = intel_dp->mso_link_count;  in intel_dp_compute_config()
2076 		int overlap = intel_dp->mso_pixel_overlap;  in intel_dp_compute_config()
2109 	intel_psr_compute_config(intel_dp, pipe_config, conn_state);  in intel_dp_compute_config()
2111 	intel_dp_compute_vsc_sdp(intel_dp, pipe_config, conn_state);  in intel_dp_compute_config()
2112 	intel_dp_compute_hdr_metadata_infoframe_sdp(intel_dp, pipe_config, conn_state);  in intel_dp_compute_config()
2117 void intel_dp_set_link_params(struct intel_dp *intel_dp,  in intel_dp_set_link_params()  argument
2120 	memset(intel_dp->train_set, 0, sizeof(intel_dp->train_set));  in intel_dp_set_link_params()
2121 	intel_dp->link_trained = false;  in intel_dp_set_link_params()
2122 	intel_dp->link_rate = link_rate;  in intel_dp_set_link_params()
2123 	intel_dp->lane_count = lane_count;  in intel_dp_set_link_params()
2126 static void intel_dp_reset_max_link_params(struct intel_dp *intel_dp)  in intel_dp_reset_max_link_params()  argument
2128 	intel_dp->max_link_lane_count = intel_dp_max_common_lane_count(intel_dp);  in intel_dp_reset_max_link_params()
2129 	intel_dp->max_link_rate = intel_dp_max_common_rate(intel_dp);  in intel_dp_reset_max_link_params()
2136 	struct intel_dp *intel_dp = enc_to_intel_dp(to_intel_encoder(conn_state->best_encoder));  in intel_edp_backlight_on()  local
2137 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_edp_backlight_on()
2139 	if (!intel_dp_is_edp(intel_dp))  in intel_edp_backlight_on()
2145 	intel_pps_backlight_on(intel_dp);  in intel_edp_backlight_on()
2151 	struct intel_dp *intel_dp = enc_to_intel_dp(to_intel_encoder(old_conn_state->best_encoder));  in intel_edp_backlight_off()  local
2152 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_edp_backlight_off()
2154 	if (!intel_dp_is_edp(intel_dp))  in intel_edp_backlight_off()
2159 	intel_pps_backlight_off(intel_dp);  in intel_edp_backlight_off()
2163 static bool downstream_hpd_needs_d0(struct intel_dp *intel_dp)  in downstream_hpd_needs_d0()  argument
2173 	return intel_dp->dpcd[DP_DPCD_REV] == 0x11 &&  in downstream_hpd_needs_d0()
2174 		drm_dp_is_branch(intel_dp->dpcd) &&  in downstream_hpd_needs_d0()
2175 		intel_dp->downstream_ports[0] & DP_DS_PORT_HPD;  in downstream_hpd_needs_d0()
2178 void intel_dp_sink_set_decompression_state(struct intel_dp *intel_dp,  in intel_dp_sink_set_decompression_state()  argument
2182 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_sink_set_decompression_state()
2188 	ret = drm_dp_dpcd_writeb(&intel_dp->aux, DP_DSC_ENABLE,  in intel_dp_sink_set_decompression_state()
2197 intel_edp_init_source_oui(struct intel_dp *intel_dp, bool careful)  in intel_edp_init_source_oui()  argument
2199 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_edp_init_source_oui()
2208 		if (drm_dp_dpcd_read(&intel_dp->aux, DP_SOURCE_OUI, buf, sizeof(buf)) < 0)  in intel_edp_init_source_oui()
2215 	if (drm_dp_dpcd_write(&intel_dp->aux, DP_SOURCE_OUI, oui, sizeof(oui)) < 0)  in intel_edp_init_source_oui()
2218 	intel_dp->last_oui_write = jiffies;  in intel_edp_init_source_oui()
2221 void intel_dp_wait_source_oui(struct intel_dp *intel_dp)  in intel_dp_wait_source_oui()  argument
2223 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_wait_source_oui()
2226 	wait_remaining_ms_from_jiffies(intel_dp->last_oui_write, 30);  in intel_dp_wait_source_oui()
2230 void intel_dp_set_power(struct intel_dp *intel_dp, u8 mode)  in intel_dp_set_power()  argument
2232 	struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;  in intel_dp_set_power()
2237 	if (intel_dp->dpcd[DP_DPCD_REV] < 0x11)  in intel_dp_set_power()
2241 		if (downstream_hpd_needs_d0(intel_dp))  in intel_dp_set_power()
2244 		ret = drm_dp_dpcd_writeb(&intel_dp->aux, DP_SET_POWER, mode);  in intel_dp_set_power()
2246 		struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);  in intel_dp_set_power()
2248 		lspcon_resume(dp_to_dig_port(intel_dp));  in intel_dp_set_power()
2251 		if (intel_dp_is_edp(intel_dp))  in intel_dp_set_power()
2252 			intel_edp_init_source_oui(intel_dp, false);  in intel_dp_set_power()
2259 			ret = drm_dp_dpcd_writeb(&intel_dp->aux, DP_SET_POWER, mode);  in intel_dp_set_power()
2276 intel_dp_get_dpcd(struct intel_dp *intel_dp);
2289 	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);  in intel_dp_sync_state()  local
2298 	if (intel_dp->dpcd[DP_DPCD_REV] == 0)  in intel_dp_sync_state()
2299 		intel_dp_get_dpcd(intel_dp);  in intel_dp_sync_state()
2301 	intel_dp_reset_max_link_params(intel_dp);  in intel_dp_sync_state()
2308 	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);  in intel_dp_initial_fastset_check()  local
2314 	if (intel_dp_rate_index(intel_dp->source_rates, intel_dp->num_source_rates,  in intel_dp_initial_fastset_check()
2334 	if (CAN_PSR(intel_dp)) {  in intel_dp_initial_fastset_check()
2343 static void intel_dp_get_pcon_dsc_cap(struct intel_dp *intel_dp)  in intel_dp_get_pcon_dsc_cap()  argument
2345 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_get_pcon_dsc_cap()
2349 	memset(intel_dp->pcon_dsc_dpcd, 0, sizeof(intel_dp->pcon_dsc_dpcd));  in intel_dp_get_pcon_dsc_cap()
2351 	if (drm_dp_dpcd_read(&intel_dp->aux, DP_PCON_DSC_ENCODER,  in intel_dp_get_pcon_dsc_cap()
2352 			     intel_dp->pcon_dsc_dpcd,  in intel_dp_get_pcon_dsc_cap()
2353 			     sizeof(intel_dp->pcon_dsc_dpcd)) < 0)  in intel_dp_get_pcon_dsc_cap()
2358 		    (int)sizeof(intel_dp->pcon_dsc_dpcd), intel_dp->pcon_dsc_dpcd);  in intel_dp_get_pcon_dsc_cap()
2393 static int intel_dp_hdmi_sink_max_frl(struct intel_dp *intel_dp)  in intel_dp_hdmi_sink_max_frl()  argument
2395 	struct intel_connector *intel_connector = intel_dp->attached_connector;  in intel_dp_hdmi_sink_max_frl()
2416 intel_dp_pcon_is_frl_trained(struct intel_dp *intel_dp,  in intel_dp_pcon_is_frl_trained()  argument
2419 	if (drm_dp_pcon_hdmi_link_active(&intel_dp->aux) &&  in intel_dp_pcon_is_frl_trained()
2420 	    drm_dp_pcon_hdmi_link_mode(&intel_dp->aux, frl_trained_mask) == DP_PCON_HDMI_MODE_FRL &&  in intel_dp_pcon_is_frl_trained()
2427 static int intel_dp_pcon_start_frl_training(struct intel_dp *intel_dp)  in intel_dp_pcon_start_frl_training()  argument
2432 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_pcon_start_frl_training()
2437 	max_pcon_frl_bw = intel_dp->dfp.pcon_max_frl_bw;  in intel_dp_pcon_start_frl_training()
2440 	max_edid_frl_bw = intel_dp_hdmi_sink_max_frl(intel_dp);  in intel_dp_pcon_start_frl_training()
2451 	if (intel_dp_pcon_is_frl_trained(intel_dp, max_frl_bw_mask, &frl_trained_mask))  in intel_dp_pcon_start_frl_training()
2454 	ret = drm_dp_pcon_frl_prepare(&intel_dp->aux, false);  in intel_dp_pcon_start_frl_training()
2458 	wait_for(is_active = drm_dp_pcon_is_frl_ready(&intel_dp->aux) == true, TIMEOUT_FRL_READY_MS);  in intel_dp_pcon_start_frl_training()
2463 	ret = drm_dp_pcon_frl_configure_1(&intel_dp->aux, max_frl_bw,  in intel_dp_pcon_start_frl_training()
2467 	ret = drm_dp_pcon_frl_configure_2(&intel_dp->aux, max_frl_bw_mask,  in intel_dp_pcon_start_frl_training()
2471 	ret = drm_dp_pcon_frl_enable(&intel_dp->aux);  in intel_dp_pcon_start_frl_training()
2479 		 intel_dp_pcon_is_frl_trained(intel_dp, max_frl_bw_mask, &frl_trained_mask),  in intel_dp_pcon_start_frl_training()
2487 	intel_dp->frl.trained_rate_gbps = intel_dp_pcon_get_frl_mask(frl_trained_mask);  in intel_dp_pcon_start_frl_training()
2488 	intel_dp->frl.is_trained = true;  in intel_dp_pcon_start_frl_training()
2489 	drm_dbg(&i915->drm, "FRL trained with : %d Gbps\n", intel_dp->frl.trained_rate_gbps);  in intel_dp_pcon_start_frl_training()
2494 static bool intel_dp_is_hdmi_2_1_sink(struct intel_dp *intel_dp)  in intel_dp_is_hdmi_2_1_sink()  argument
2496 	if (drm_dp_is_branch(intel_dp->dpcd) &&  in intel_dp_is_hdmi_2_1_sink()
2497 	    intel_dp->has_hdmi_sink &&  in intel_dp_is_hdmi_2_1_sink()
2498 	    intel_dp_hdmi_sink_max_frl(intel_dp) > 0)  in intel_dp_is_hdmi_2_1_sink()
2505 int intel_dp_pcon_set_tmds_mode(struct intel_dp *intel_dp)  in intel_dp_pcon_set_tmds_mode()  argument
2513 	ret = drm_dp_dpcd_writeb(&intel_dp->aux, DP_PCON_HDMI_LINK_CONFIG_1, buf);  in intel_dp_pcon_set_tmds_mode()
2519 	ret = drm_dp_dpcd_writeb(&intel_dp->aux, DP_PCON_HDMI_LINK_CONFIG_1, buf);  in intel_dp_pcon_set_tmds_mode()
2526 void intel_dp_check_frl_training(struct intel_dp *intel_dp)  in intel_dp_check_frl_training()  argument
2528 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);  in intel_dp_check_frl_training()
2535 	if (!(intel_dp->downstream_ports[2] & DP_PCON_SOURCE_CTL_MODE) ||  in intel_dp_check_frl_training()
2536 	    !intel_dp_is_hdmi_2_1_sink(intel_dp) ||  in intel_dp_check_frl_training()
2537 	    intel_dp->frl.is_trained)  in intel_dp_check_frl_training()
2540 	if (intel_dp_pcon_start_frl_training(intel_dp) < 0) {  in intel_dp_check_frl_training()
2544 		ret = intel_dp_pcon_set_tmds_mode(intel_dp);  in intel_dp_check_frl_training()
2545 		mode = drm_dp_pcon_hdmi_link_mode(&intel_dp->aux, NULL);  in intel_dp_check_frl_training()
2563 intel_dp_pcon_dsc_enc_slices(struct intel_dp *intel_dp,  in intel_dp_pcon_dsc_enc_slices()  argument
2566 	struct intel_connector *intel_connector = intel_dp->attached_connector;  in intel_dp_pcon_dsc_enc_slices()
2570 	int pcon_max_slices = drm_dp_pcon_dsc_max_slices(intel_dp->pcon_dsc_dpcd);  in intel_dp_pcon_dsc_enc_slices()
2571 	int pcon_max_slice_width = drm_dp_pcon_dsc_max_slice_width(intel_dp->pcon_dsc_dpcd);  in intel_dp_pcon_dsc_enc_slices()
2579 intel_dp_pcon_dsc_enc_bpp(struct intel_dp *intel_dp,  in intel_dp_pcon_dsc_enc_bpp()  argument
2583 	struct intel_connector *intel_connector = intel_dp->attached_connector;  in intel_dp_pcon_dsc_enc_bpp()
2587 	int pcon_fractional_bpp = drm_dp_pcon_dsc_bpp_incr(intel_dp->pcon_dsc_dpcd);  in intel_dp_pcon_dsc_enc_bpp()
2597 intel_dp_pcon_dsc_configure(struct intel_dp *intel_dp,  in intel_dp_pcon_dsc_configure()  argument
2606 	struct intel_connector *intel_connector = intel_dp->attached_connector;  in intel_dp_pcon_dsc_configure()
2607 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_pcon_dsc_configure()
2611 	if (!intel_dp_is_hdmi_2_1_sink(intel_dp))  in intel_dp_pcon_dsc_configure()
2619 	if (!drm_dp_pcon_enc_is_dsc_1_2(intel_dp->pcon_dsc_dpcd) ||  in intel_dp_pcon_dsc_configure()
2627 	num_slices = intel_dp_pcon_dsc_enc_slices(intel_dp, crtc_state);  in intel_dp_pcon_dsc_configure()
2634 	bits_per_pixel = intel_dp_pcon_dsc_enc_bpp(intel_dp, crtc_state,  in intel_dp_pcon_dsc_configure()
2646 	ret = drm_dp_pcon_pps_override_param(&intel_dp->aux, pps_param);  in intel_dp_pcon_dsc_configure()
2651 void intel_dp_configure_protocol_converter(struct intel_dp *intel_dp,  in intel_dp_configure_protocol_converter()  argument
2654 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_configure_protocol_converter()
2657 	if (intel_dp->dpcd[DP_DPCD_REV] < 0x13)  in intel_dp_configure_protocol_converter()
2660 	if (!drm_dp_is_branch(intel_dp->dpcd))  in intel_dp_configure_protocol_converter()
2663 	tmp = intel_dp->has_hdmi_sink ?  in intel_dp_configure_protocol_converter()
2666 	if (drm_dp_dpcd_writeb(&intel_dp->aux,  in intel_dp_configure_protocol_converter()
2669 			    str_enable_disable(intel_dp->has_hdmi_sink));  in intel_dp_configure_protocol_converter()
2672 		intel_dp->dfp.ycbcr_444_to_420 ? DP_CONVERSION_TO_YCBCR420_ENABLE : 0;  in intel_dp_configure_protocol_converter()
2674 	if (drm_dp_dpcd_writeb(&intel_dp->aux,  in intel_dp_configure_protocol_converter()
2678 			    str_enable_disable(intel_dp->dfp.ycbcr_444_to_420));  in intel_dp_configure_protocol_converter()
2680 	tmp = intel_dp->dfp.rgb_to_ycbcr ?  in intel_dp_configure_protocol_converter()
2683 	if (drm_dp_pcon_convert_rgb_to_ycbcr(&intel_dp->aux, tmp) < 0)  in intel_dp_configure_protocol_converter()
2690 bool intel_dp_get_colorimetry_status(struct intel_dp *intel_dp)  in intel_dp_get_colorimetry_status()  argument
2694 	if (drm_dp_dpcd_readb(&intel_dp->aux, DP_DPRX_FEATURE_ENUMERATION_LIST,  in intel_dp_get_colorimetry_status()
2700 static void intel_dp_get_dsc_sink_cap(struct intel_dp *intel_dp)  in intel_dp_get_dsc_sink_cap()  argument
2702 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_get_dsc_sink_cap()
2708 	memset(intel_dp->dsc_dpcd, 0, sizeof(intel_dp->dsc_dpcd));  in intel_dp_get_dsc_sink_cap()
2711 	intel_dp->fec_capable = 0;  in intel_dp_get_dsc_sink_cap()
2714 	if (intel_dp->dpcd[DP_DPCD_REV] >= 0x14 ||  in intel_dp_get_dsc_sink_cap()
2715 	    intel_dp->edp_dpcd[0] >= DP_EDP_14) {  in intel_dp_get_dsc_sink_cap()
2716 		if (drm_dp_dpcd_read(&intel_dp->aux, DP_DSC_SUPPORT,  in intel_dp_get_dsc_sink_cap()
2717 				     intel_dp->dsc_dpcd,  in intel_dp_get_dsc_sink_cap()
2718 				     sizeof(intel_dp->dsc_dpcd)) < 0)  in intel_dp_get_dsc_sink_cap()
2724 			    (int)sizeof(intel_dp->dsc_dpcd),  in intel_dp_get_dsc_sink_cap()
2725 			    intel_dp->dsc_dpcd);  in intel_dp_get_dsc_sink_cap()
2728 		if (!intel_dp_is_edp(intel_dp) &&  in intel_dp_get_dsc_sink_cap()
2729 		    drm_dp_dpcd_readb(&intel_dp->aux, DP_FEC_CAPABILITY,  in intel_dp_get_dsc_sink_cap()
2730 				      &intel_dp->fec_capable) < 0)  in intel_dp_get_dsc_sink_cap()
2735 			    intel_dp->fec_capable);  in intel_dp_get_dsc_sink_cap()
2742 	struct intel_dp *intel_dp = intel_attached_dp(connector);  in intel_edp_mso_mode_fixup()  local
2744 	int n = intel_dp->mso_link_count;  in intel_edp_mso_mode_fixup()
2745 	int overlap = intel_dp->mso_pixel_overlap;  in intel_edp_mso_mode_fixup()
2767 	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);  in intel_edp_fixup_vbt_bpp()  local
2768 	struct intel_connector *connector = intel_dp->attached_connector;  in intel_edp_fixup_vbt_bpp()
2791 static void intel_edp_mso_init(struct intel_dp *intel_dp)  in intel_edp_mso_init()  argument
2793 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_edp_mso_init()
2794 	struct intel_connector *connector = intel_dp->attached_connector;  in intel_edp_mso_init()
2798 	if (intel_dp->edp_dpcd[0] < DP_EDP_14)  in intel_edp_mso_init()
2801 	if (drm_dp_dpcd_readb(&intel_dp->aux, DP_EDP_MSO_LINK_CAPABILITIES, &mso) != 1) {  in intel_edp_mso_init()
2808 	if (mso % 2 || mso > drm_dp_max_lane_count(intel_dp->dpcd)) {  in intel_edp_mso_init()
2815 			    mso, drm_dp_max_lane_count(intel_dp->dpcd) / mso,  in intel_edp_mso_init()
2823 	intel_dp->mso_link_count = mso;  in intel_edp_mso_init()
2824 	intel_dp->mso_pixel_overlap = mso ? info->mso_pixel_overlap : 0;  in intel_edp_mso_init()
2828 intel_edp_init_dpcd(struct intel_dp *intel_dp)  in intel_edp_init_dpcd()  argument
2831 		to_i915(dp_to_dig_port(intel_dp)->base.base.dev);  in intel_edp_init_dpcd()
2834 	drm_WARN_ON(&dev_priv->drm, intel_dp->dpcd[DP_DPCD_REV] != 0);  in intel_edp_init_dpcd()
2836 	if (drm_dp_read_dpcd_caps(&intel_dp->aux, intel_dp->dpcd) != 0)  in intel_edp_init_dpcd()
2839 	drm_dp_read_desc(&intel_dp->aux, &intel_dp->desc,  in intel_edp_init_dpcd()
2840 			 drm_dp_is_branch(intel_dp->dpcd));  in intel_edp_init_dpcd()
2851 	if (drm_dp_dpcd_read(&intel_dp->aux, DP_EDP_DPCD_REV,  in intel_edp_init_dpcd()
2852 			     intel_dp->edp_dpcd, sizeof(intel_dp->edp_dpcd)) ==  in intel_edp_init_dpcd()
2853 			     sizeof(intel_dp->edp_dpcd)) {  in intel_edp_init_dpcd()
2855 			    (int)sizeof(intel_dp->edp_dpcd),  in intel_edp_init_dpcd()
2856 			    intel_dp->edp_dpcd);  in intel_edp_init_dpcd()
2858 		intel_dp->use_max_params = intel_dp->edp_dpcd[0] < DP_EDP_14;  in intel_edp_init_dpcd()
2865 	intel_psr_init_dpcd(intel_dp);  in intel_edp_init_dpcd()
2868 	intel_dp->num_sink_rates = 0;  in intel_edp_init_dpcd()
2871 	if (intel_dp->edp_dpcd[0] >= DP_EDP_14) {  in intel_edp_init_dpcd()
2875 		drm_dp_dpcd_read(&intel_dp->aux, DP_SUPPORTED_LINK_RATES,  in intel_edp_init_dpcd()
2890 			intel_dp->sink_rates[i] = (val * 200) / 10;  in intel_edp_init_dpcd()
2892 		intel_dp->num_sink_rates = i;  in intel_edp_init_dpcd()
2899 	if (intel_dp->num_sink_rates)  in intel_edp_init_dpcd()
2900 		intel_dp->use_rate_select = true;  in intel_edp_init_dpcd()
2902 		intel_dp_set_sink_rates(intel_dp);  in intel_edp_init_dpcd()
2903 	intel_dp_set_max_sink_lane_count(intel_dp);  in intel_edp_init_dpcd()
2907 		intel_dp_get_dsc_sink_cap(intel_dp);  in intel_edp_init_dpcd()
2913 	intel_edp_init_source_oui(intel_dp, true);  in intel_edp_init_dpcd()
2919 intel_dp_has_sink_count(struct intel_dp *intel_dp)  in intel_dp_has_sink_count()  argument
2921 	if (!intel_dp->attached_connector)  in intel_dp_has_sink_count()
2924 	return drm_dp_read_sink_count_cap(&intel_dp->attached_connector->base,  in intel_dp_has_sink_count()
2925 					  intel_dp->dpcd,  in intel_dp_has_sink_count()
2926 					  &intel_dp->desc);  in intel_dp_has_sink_count()
2930 intel_dp_get_dpcd(struct intel_dp *intel_dp)  in intel_dp_get_dpcd()  argument
2934 	if (intel_dp_init_lttpr_and_dprx_caps(intel_dp) < 0)  in intel_dp_get_dpcd()
2941 	if (!intel_dp_is_edp(intel_dp)) {  in intel_dp_get_dpcd()
2942 		drm_dp_read_desc(&intel_dp->aux, &intel_dp->desc,  in intel_dp_get_dpcd()
2943 				 drm_dp_is_branch(intel_dp->dpcd));  in intel_dp_get_dpcd()
2945 		intel_dp_set_sink_rates(intel_dp);  in intel_dp_get_dpcd()
2946 		intel_dp_set_max_sink_lane_count(intel_dp);  in intel_dp_get_dpcd()
2947 		intel_dp_set_common_rates(intel_dp);  in intel_dp_get_dpcd()
2950 	if (intel_dp_has_sink_count(intel_dp)) {  in intel_dp_get_dpcd()
2951 		ret = drm_dp_read_sink_count(&intel_dp->aux);  in intel_dp_get_dpcd()
2960 		intel_dp->sink_count = ret;  in intel_dp_get_dpcd()
2969 		if (!intel_dp->sink_count)  in intel_dp_get_dpcd()
2973 	return drm_dp_read_downstream_info(&intel_dp->aux, intel_dp->dpcd,  in intel_dp_get_dpcd()
2974 					   intel_dp->downstream_ports) == 0;  in intel_dp_get_dpcd()
2978 intel_dp_can_mst(struct intel_dp *intel_dp)  in intel_dp_can_mst()  argument
2980 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_can_mst()
2983 		intel_dp_mst_source_support(intel_dp) &&  in intel_dp_can_mst()
2984 		drm_dp_read_mst_cap(&intel_dp->aux, intel_dp->dpcd);  in intel_dp_can_mst()
2988 intel_dp_configure_mst(struct intel_dp *intel_dp)  in intel_dp_configure_mst()  argument
2990 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_configure_mst()
2992 		&dp_to_dig_port(intel_dp)->base;  in intel_dp_configure_mst()
2993 	bool sink_can_mst = drm_dp_read_mst_cap(&intel_dp->aux, intel_dp->dpcd);  in intel_dp_configure_mst()
2998 		    str_yes_no(intel_dp_mst_source_support(intel_dp)),  in intel_dp_configure_mst()
3002 	if (!intel_dp_mst_source_support(intel_dp))  in intel_dp_configure_mst()
3005 	intel_dp->is_mst = sink_can_mst &&  in intel_dp_configure_mst()
3008 	drm_dp_mst_topology_mgr_set_mst(&intel_dp->mst_mgr,  in intel_dp_configure_mst()
3009 					intel_dp->is_mst);  in intel_dp_configure_mst()
3013 intel_dp_get_sink_irq_esi(struct intel_dp *intel_dp, u8 *esi)  in intel_dp_get_sink_irq_esi()  argument
3015 	return drm_dp_dpcd_read(&intel_dp->aux, DP_SINK_COUNT_ESI, esi, 4) == 4;  in intel_dp_get_sink_irq_esi()
3018 static bool intel_dp_ack_sink_irq_esi(struct intel_dp *intel_dp, u8 esi[4])  in intel_dp_ack_sink_irq_esi()  argument
3023 		if (drm_dp_dpcd_write(&intel_dp->aux, DP_SINK_COUNT_ESI + 1,  in intel_dp_ack_sink_irq_esi()
3464 static u8 intel_dp_autotest_link_training(struct intel_dp *intel_dp)  in intel_dp_autotest_link_training()  argument
3466 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_autotest_link_training()
3474 	status = drm_dp_dpcd_readb(&intel_dp->aux, DP_TEST_LANE_COUNT,  in intel_dp_autotest_link_training()
3483 	status = drm_dp_dpcd_readb(&intel_dp->aux, DP_TEST_LINK_RATE,  in intel_dp_autotest_link_training()
3492 	if (!intel_dp_link_params_valid(intel_dp, test_link_rate,  in intel_dp_autotest_link_training()
3496 	intel_dp->compliance.test_lane_count = test_lane_count;  in intel_dp_autotest_link_training()
3497 	intel_dp->compliance.test_link_rate = test_link_rate;  in intel_dp_autotest_link_training()
3502 static u8 intel_dp_autotest_video_pattern(struct intel_dp *intel_dp)  in intel_dp_autotest_video_pattern()  argument
3504 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_autotest_video_pattern()
3511 	status = drm_dp_dpcd_readb(&intel_dp->aux, DP_TEST_PATTERN,  in intel_dp_autotest_video_pattern()
3520 	status = drm_dp_dpcd_read(&intel_dp->aux, DP_TEST_H_WIDTH_HI,  in intel_dp_autotest_video_pattern()
3527 	status = drm_dp_dpcd_read(&intel_dp->aux, DP_TEST_V_HEIGHT_HI,  in intel_dp_autotest_video_pattern()
3534 	status = drm_dp_dpcd_readb(&intel_dp->aux, DP_TEST_MISC0,  in intel_dp_autotest_video_pattern()
3546 		intel_dp->compliance.test_data.bpc = 6;  in intel_dp_autotest_video_pattern()
3549 		intel_dp->compliance.test_data.bpc = 8;  in intel_dp_autotest_video_pattern()
3555 	intel_dp->compliance.test_data.video_pattern = test_pattern;  in intel_dp_autotest_video_pattern()
3556 	intel_dp->compliance.test_data.hdisplay = be16_to_cpu(h_width);  in intel_dp_autotest_video_pattern()
3557 	intel_dp->compliance.test_data.vdisplay = be16_to_cpu(v_height);  in intel_dp_autotest_video_pattern()
3559 	intel_dp->compliance.test_active = true;  in intel_dp_autotest_video_pattern()
3564 static u8 intel_dp_autotest_edid(struct intel_dp *intel_dp)  in intel_dp_autotest_edid()  argument
3566 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_autotest_edid()
3568 	struct intel_connector *intel_connector = intel_dp->attached_connector;  in intel_dp_autotest_edid()
3573 	    intel_dp->aux.i2c_defer_count > 6) {  in intel_dp_autotest_edid()
3581 		if (intel_dp->aux.i2c_nack_count > 0 ||  in intel_dp_autotest_edid()
3582 			intel_dp->aux.i2c_defer_count > 0)  in intel_dp_autotest_edid()
3585 				    intel_dp->aux.i2c_nack_count,  in intel_dp_autotest_edid()
3586 				    intel_dp->aux.i2c_defer_count);  in intel_dp_autotest_edid()
3587 		intel_dp->compliance.test_data.edid = INTEL_DP_RESOLUTION_FAILSAFE;  in intel_dp_autotest_edid()
3596 		if (drm_dp_dpcd_writeb(&intel_dp->aux, DP_TEST_EDID_CHECKSUM,  in intel_dp_autotest_edid()
3602 		intel_dp->compliance.test_data.edid = INTEL_DP_RESOLUTION_PREFERRED;  in intel_dp_autotest_edid()
3606 	intel_dp->compliance.test_active = true;  in intel_dp_autotest_edid()
3611 static void intel_dp_phy_pattern_update(struct intel_dp *intel_dp,  in intel_dp_phy_pattern_update()  argument
3615 			to_i915(dp_to_dig_port(intel_dp)->base.base.dev);  in intel_dp_phy_pattern_update()
3617 			&intel_dp->compliance.test_data.phytest;  in intel_dp_phy_pattern_update()
3679 intel_dp_autotest_phy_ddi_disable(struct intel_dp *intel_dp,  in intel_dp_autotest_phy_ddi_disable()  argument
3682 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in intel_dp_autotest_phy_ddi_disable()
3706 intel_dp_autotest_phy_ddi_enable(struct intel_dp *intel_dp,  in intel_dp_autotest_phy_ddi_enable()  argument
3709 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in intel_dp_autotest_phy_ddi_enable()
3733 static void intel_dp_process_phy_request(struct intel_dp *intel_dp,  in intel_dp_process_phy_request()  argument
3736 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_process_phy_request()
3738 		&intel_dp->compliance.test_data.phytest;  in intel_dp_process_phy_request()
3741 	if (drm_dp_dpcd_read_phy_link_status(&intel_dp->aux, DP_PHY_DPRX,  in intel_dp_process_phy_request()
3748 	intel_dp_get_adjust_train(intel_dp, crtc_state, DP_PHY_DPRX,  in intel_dp_process_phy_request()
3751 	intel_dp_autotest_phy_ddi_disable(intel_dp, crtc_state);  in intel_dp_process_phy_request()
3753 	intel_dp_set_signal_levels(intel_dp, crtc_state, DP_PHY_DPRX);  in intel_dp_process_phy_request()
3755 	intel_dp_phy_pattern_update(intel_dp, crtc_state);  in intel_dp_process_phy_request()
3757 	intel_dp_autotest_phy_ddi_enable(intel_dp, crtc_state);  in intel_dp_process_phy_request()
3759 	drm_dp_dpcd_write(&intel_dp->aux, DP_TRAINING_LANE0_SET,  in intel_dp_process_phy_request()
3760 			  intel_dp->train_set, crtc_state->lane_count);  in intel_dp_process_phy_request()
3762 	drm_dp_set_phy_test_pattern(&intel_dp->aux, data,  in intel_dp_process_phy_request()
3766 static u8 intel_dp_autotest_phy_pattern(struct intel_dp *intel_dp)  in intel_dp_autotest_phy_pattern()  argument
3768 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_autotest_phy_pattern()
3770 		&intel_dp->compliance.test_data.phytest;  in intel_dp_autotest_phy_pattern()
3772 	if (drm_dp_get_phy_test_pattern(&intel_dp->aux, data)) {  in intel_dp_autotest_phy_pattern()
3778 	intel_dp->compliance.test_active = true;  in intel_dp_autotest_phy_pattern()
3783 static void intel_dp_handle_test_request(struct intel_dp *intel_dp)  in intel_dp_handle_test_request()  argument
3785 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_handle_test_request()
3790 	status = drm_dp_dpcd_readb(&intel_dp->aux, DP_TEST_REQUEST, &request);  in intel_dp_handle_test_request()
3800 		response = intel_dp_autotest_link_training(intel_dp);  in intel_dp_handle_test_request()
3804 		response = intel_dp_autotest_video_pattern(intel_dp);  in intel_dp_handle_test_request()
3808 		response = intel_dp_autotest_edid(intel_dp);  in intel_dp_handle_test_request()
3812 		response = intel_dp_autotest_phy_pattern(intel_dp);  in intel_dp_handle_test_request()
3821 		intel_dp->compliance.test_type = request;  in intel_dp_handle_test_request()
3824 	status = drm_dp_dpcd_writeb(&intel_dp->aux, DP_TEST_RESPONSE, response);  in intel_dp_handle_test_request()
3830 static bool intel_dp_link_ok(struct intel_dp *intel_dp,  in intel_dp_link_ok()  argument
3833 	struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;  in intel_dp_link_ok()
3835 	bool uhbr = intel_dp->link_rate >= 1000000;  in intel_dp_link_ok()
3840 							  intel_dp->lane_count);  in intel_dp_link_ok()
3842 		ok = drm_dp_channel_eq_ok(link_status, intel_dp->lane_count);  in intel_dp_link_ok()
3847 	intel_dp_dump_link_status(intel_dp, DP_PHY_DPRX, link_status);  in intel_dp_link_ok()
3857 intel_dp_mst_hpd_irq(struct intel_dp *intel_dp, u8 *esi, u8 *ack)  in intel_dp_mst_hpd_irq()  argument
3861 	drm_dp_mst_hpd_irq(&intel_dp->mst_mgr, esi, &handled);  in intel_dp_mst_hpd_irq()
3866 		intel_hdcp_handle_cp_irq(intel_dp->attached_connector);  in intel_dp_mst_hpd_irq()
3871 static bool intel_dp_mst_link_status(struct intel_dp *intel_dp)  in intel_dp_mst_link_status()  argument
3873 	struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;  in intel_dp_mst_link_status()
3878 	if (drm_dp_dpcd_read(&intel_dp->aux, DP_LANE0_1_STATUS_ESI, link_status,  in intel_dp_mst_link_status()
3886 	return intel_dp_link_ok(intel_dp, link_status);  in intel_dp_mst_link_status()
3903 intel_dp_check_mst_status(struct intel_dp *intel_dp)  in intel_dp_check_mst_status()  argument
3905 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_check_mst_status()
3908 	drm_WARN_ON_ONCE(&i915->drm, intel_dp->active_mst_links < 0);  in intel_dp_check_mst_status()
3914 		if (!intel_dp_get_sink_irq_esi(intel_dp, esi)) {  in intel_dp_check_mst_status()
3924 		if (intel_dp->active_mst_links > 0 && link_ok &&  in intel_dp_check_mst_status()
3926 			if (!intel_dp_mst_link_status(intel_dp))  in intel_dp_check_mst_status()
3931 		intel_dp_mst_hpd_irq(intel_dp, esi, ack);  in intel_dp_check_mst_status()
3936 		if (!intel_dp_ack_sink_irq_esi(intel_dp, ack))  in intel_dp_check_mst_status()
3944 intel_dp_handle_hdmi_link_status_change(struct intel_dp *intel_dp)  in intel_dp_handle_hdmi_link_status_change()  argument
3949 	is_active = drm_dp_pcon_hdmi_link_active(&intel_dp->aux);  in intel_dp_handle_hdmi_link_status_change()
3950 	if (intel_dp->frl.is_trained && !is_active) {  in intel_dp_handle_hdmi_link_status_change()
3951 		if (drm_dp_dpcd_readb(&intel_dp->aux, DP_PCON_HDMI_LINK_CONFIG_1, &buf) < 0)  in intel_dp_handle_hdmi_link_status_change()
3955 		if (drm_dp_dpcd_writeb(&intel_dp->aux, DP_PCON_HDMI_LINK_CONFIG_1, buf) < 0)  in intel_dp_handle_hdmi_link_status_change()
3958 		drm_dp_pcon_hdmi_frl_link_error_count(&intel_dp->aux, &intel_dp->attached_connector->base);  in intel_dp_handle_hdmi_link_status_change()
3960 		intel_dp->frl.is_trained = false;  in intel_dp_handle_hdmi_link_status_change()
3963 		intel_dp_check_frl_training(intel_dp);  in intel_dp_handle_hdmi_link_status_change()
3968 intel_dp_needs_link_retrain(struct intel_dp *intel_dp)  in intel_dp_needs_link_retrain()  argument
3972 	if (!intel_dp->link_trained)  in intel_dp_needs_link_retrain()
3983 	if (intel_psr_enabled(intel_dp))  in intel_dp_needs_link_retrain()
3986 	if (drm_dp_dpcd_read_phy_link_status(&intel_dp->aux, DP_PHY_DPRX,  in intel_dp_needs_link_retrain()
3998 	if (!intel_dp_link_params_valid(intel_dp, intel_dp->link_rate,  in intel_dp_needs_link_retrain()
3999 					intel_dp->lane_count))  in intel_dp_needs_link_retrain()
4003 	return !intel_dp_link_ok(intel_dp, link_status);  in intel_dp_needs_link_retrain()
4006 static bool intel_dp_has_connector(struct intel_dp *intel_dp,  in intel_dp_has_connector()  argument
4009 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_has_connector()
4017 	encoder = &dp_to_dig_port(intel_dp)->base;  in intel_dp_has_connector()
4023 		encoder = &intel_dp->mst_encoders[pipe]->base;  in intel_dp_has_connector()
4031 static int intel_dp_prep_link_retrain(struct intel_dp *intel_dp,  in intel_dp_prep_link_retrain()  argument
4035 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_prep_link_retrain()
4042 	if (!intel_dp_needs_link_retrain(intel_dp))  in intel_dp_prep_link_retrain()
4052 		if (!intel_dp_has_connector(intel_dp, conn_state))  in intel_dp_prep_link_retrain()
4078 	if (!intel_dp_needs_link_retrain(intel_dp))  in intel_dp_prep_link_retrain()
4084 static bool intel_dp_is_connected(struct intel_dp *intel_dp)  in intel_dp_is_connected()  argument
4086 	struct intel_connector *connector = intel_dp->attached_connector;  in intel_dp_is_connected()
4089 		intel_dp->is_mst;  in intel_dp_is_connected()
4096 	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);  in intel_dp_retrain_link()  local
4101 	if (!intel_dp_is_connected(intel_dp))  in intel_dp_retrain_link()
4109 	ret = intel_dp_prep_link_retrain(intel_dp, ctx, &pipe_mask);  in intel_dp_retrain_link()
4140 		intel_dp_check_frl_training(intel_dp);  in intel_dp_retrain_link()
4141 		intel_dp_pcon_dsc_configure(intel_dp, crtc_state);  in intel_dp_retrain_link()
4142 		intel_dp_start_link_train(intel_dp, crtc_state);  in intel_dp_retrain_link()
4143 		intel_dp_stop_link_train(intel_dp, crtc_state);  in intel_dp_retrain_link()
4163 static int intel_dp_prep_phy_test(struct intel_dp *intel_dp,  in intel_dp_prep_phy_test()  argument
4167 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_prep_phy_test()
4181 		if (!intel_dp_has_connector(intel_dp, conn_state))  in intel_dp_prep_phy_test()
4214 	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);  in intel_dp_do_phy_test()  local
4224 	ret = intel_dp_prep_phy_test(intel_dp, ctx, &pipe_mask);  in intel_dp_do_phy_test()
4244 		intel_dp_process_phy_request(intel_dp, crtc_state);  in intel_dp_do_phy_test()
4275 static void intel_dp_check_device_service_irq(struct intel_dp *intel_dp)  in intel_dp_check_device_service_irq()  argument
4277 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_check_device_service_irq()
4280 	if (intel_dp->dpcd[DP_DPCD_REV] < 0x11)  in intel_dp_check_device_service_irq()
4283 	if (drm_dp_dpcd_readb(&intel_dp->aux,  in intel_dp_check_device_service_irq()
4287 	drm_dp_dpcd_writeb(&intel_dp->aux, DP_DEVICE_SERVICE_IRQ_VECTOR, val);  in intel_dp_check_device_service_irq()
4290 		intel_dp_handle_test_request(intel_dp);  in intel_dp_check_device_service_irq()
4293 		intel_hdcp_handle_cp_irq(intel_dp->attached_connector);  in intel_dp_check_device_service_irq()
4299 static void intel_dp_check_link_service_irq(struct intel_dp *intel_dp)  in intel_dp_check_link_service_irq()  argument
4303 	if (intel_dp->dpcd[DP_DPCD_REV] < 0x11)  in intel_dp_check_link_service_irq()
4306 	if (drm_dp_dpcd_readb(&intel_dp->aux,  in intel_dp_check_link_service_irq()
4310 	if (drm_dp_dpcd_writeb(&intel_dp->aux,  in intel_dp_check_link_service_irq()
4315 		intel_dp_handle_hdmi_link_status_change(intel_dp);  in intel_dp_check_link_service_irq()
4332 intel_dp_short_pulse(struct intel_dp *intel_dp)  in intel_dp_short_pulse()  argument
4334 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);  in intel_dp_short_pulse()
4335 	u8 old_sink_count = intel_dp->sink_count;  in intel_dp_short_pulse()
4342 	memset(&intel_dp->compliance, 0, sizeof(intel_dp->compliance));  in intel_dp_short_pulse()
4350 	ret = intel_dp_get_dpcd(intel_dp);  in intel_dp_short_pulse()
4352 	if ((old_sink_count != intel_dp->sink_count) || !ret) {  in intel_dp_short_pulse()
4357 	intel_dp_check_device_service_irq(intel_dp);  in intel_dp_short_pulse()
4358 	intel_dp_check_link_service_irq(intel_dp);  in intel_dp_short_pulse()
4361 	drm_dp_cec_irq(&intel_dp->aux);  in intel_dp_short_pulse()
4364 	if (intel_dp_needs_link_retrain(intel_dp))  in intel_dp_short_pulse()
4367 	intel_psr_short_pulse(intel_dp);  in intel_dp_short_pulse()
4369 	switch (intel_dp->compliance.test_type) {  in intel_dp_short_pulse()
4393 intel_dp_detect_dpcd(struct intel_dp *intel_dp)  in intel_dp_detect_dpcd()  argument
4395 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_detect_dpcd()
4396 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in intel_dp_detect_dpcd()
4397 	u8 *dpcd = intel_dp->dpcd;  in intel_dp_detect_dpcd()
4400 	if (drm_WARN_ON(&i915->drm, intel_dp_is_edp(intel_dp)))  in intel_dp_detect_dpcd()
4405 	if (!intel_dp_get_dpcd(intel_dp))  in intel_dp_detect_dpcd()
4413 	if (intel_dp_has_sink_count(intel_dp) &&  in intel_dp_detect_dpcd()
4414 	    intel_dp->downstream_ports[0] & DP_DS_PORT_HPD) {  in intel_dp_detect_dpcd()
4415 		return intel_dp->sink_count ?  in intel_dp_detect_dpcd()
4419 	if (intel_dp_can_mst(intel_dp))  in intel_dp_detect_dpcd()
4423 	if (drm_probe_ddc(&intel_dp->aux.ddc))  in intel_dp_detect_dpcd()
4427 	if (intel_dp->dpcd[DP_DPCD_REV] >= 0x11) {  in intel_dp_detect_dpcd()
4428 		type = intel_dp->downstream_ports[0] & DP_DS_PORT_TYPE_MASK;  in intel_dp_detect_dpcd()
4433 		type = intel_dp->dpcd[DP_DOWNSTREAMPORT_PRESENT] &  in intel_dp_detect_dpcd()
4446 edp_detect(struct intel_dp *intel_dp)  in edp_detect()  argument
4476 intel_dp_get_edid(struct intel_dp *intel_dp)  in intel_dp_get_edid()  argument
4478 	struct intel_connector *intel_connector = intel_dp->attached_connector;  in intel_dp_get_edid()
4489 				    &intel_dp->aux.ddc);  in intel_dp_get_edid()
4493 intel_dp_update_dfp(struct intel_dp *intel_dp,  in intel_dp_update_dfp()  argument
4496 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_update_dfp()
4497 	struct intel_connector *connector = intel_dp->attached_connector;  in intel_dp_update_dfp()
4499 	intel_dp->dfp.max_bpc =  in intel_dp_update_dfp()
4500 		drm_dp_downstream_max_bpc(intel_dp->dpcd,  in intel_dp_update_dfp()
4501 					  intel_dp->downstream_ports, edid);  in intel_dp_update_dfp()
4503 	intel_dp->dfp.max_dotclock =  in intel_dp_update_dfp()
4504 		drm_dp_downstream_max_dotclock(intel_dp->dpcd,  in intel_dp_update_dfp()
4505 					       intel_dp->downstream_ports);  in intel_dp_update_dfp()
4507 	intel_dp->dfp.min_tmds_clock =  in intel_dp_update_dfp()
4508 		drm_dp_downstream_min_tmds_clock(intel_dp->dpcd,  in intel_dp_update_dfp()
4509 						 intel_dp->downstream_ports,  in intel_dp_update_dfp()
4511 	intel_dp->dfp.max_tmds_clock =  in intel_dp_update_dfp()
4512 		drm_dp_downstream_max_tmds_clock(intel_dp->dpcd,  in intel_dp_update_dfp()
4513 						 intel_dp->downstream_ports,  in intel_dp_update_dfp()
4516 	intel_dp->dfp.pcon_max_frl_bw =  in intel_dp_update_dfp()
4517 		drm_dp_get_pcon_max_frl_bw(intel_dp->dpcd,  in intel_dp_update_dfp()
4518 					   intel_dp->downstream_ports);  in intel_dp_update_dfp()
4523 		    intel_dp->dfp.max_bpc,  in intel_dp_update_dfp()
4524 		    intel_dp->dfp.max_dotclock,  in intel_dp_update_dfp()
4525 		    intel_dp->dfp.min_tmds_clock,  in intel_dp_update_dfp()
4526 		    intel_dp->dfp.max_tmds_clock,  in intel_dp_update_dfp()
4527 		    intel_dp->dfp.pcon_max_frl_bw);  in intel_dp_update_dfp()
4529 	intel_dp_get_pcon_dsc_cap(intel_dp);  in intel_dp_update_dfp()
4533 intel_dp_update_420(struct intel_dp *intel_dp)  in intel_dp_update_420()  argument
4535 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_update_420()
4536 	struct intel_connector *connector = intel_dp->attached_connector;  in intel_dp_update_420()
4550 	is_branch = drm_dp_is_branch(intel_dp->dpcd);  in intel_dp_update_420()
4552 		drm_dp_downstream_420_passthrough(intel_dp->dpcd,  in intel_dp_update_420()
4553 						  intel_dp->downstream_ports);  in intel_dp_update_420()
4556 		dp_to_dig_port(intel_dp)->lspcon.active ||  in intel_dp_update_420()
4557 		drm_dp_downstream_444_to_420_conversion(intel_dp->dpcd,  in intel_dp_update_420()
4558 							intel_dp->downstream_ports);  in intel_dp_update_420()
4559 	rgb_to_ycbcr = drm_dp_downstream_rgb_to_ycbcr_conversion(intel_dp->dpcd,  in intel_dp_update_420()
4560 								 intel_dp->downstream_ports,  in intel_dp_update_420()
4566 			intel_dp->dfp.rgb_to_ycbcr = true;  in intel_dp_update_420()
4567 			intel_dp->dfp.ycbcr_444_to_420 = true;  in intel_dp_update_420()
4571 			intel_dp->dfp.ycbcr_444_to_420 =  in intel_dp_update_420()
4579 		intel_dp->dfp.ycbcr_444_to_420 = ycbcr_444_to_420;  in intel_dp_update_420()
4587 		    str_yes_no(intel_dp->dfp.rgb_to_ycbcr),  in intel_dp_update_420()
4589 		    str_yes_no(intel_dp->dfp.ycbcr_444_to_420));  in intel_dp_update_420()
4593 intel_dp_set_edid(struct intel_dp *intel_dp)  in intel_dp_set_edid()  argument
4595 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_dp_set_edid()
4596 	struct intel_connector *connector = intel_dp->attached_connector;  in intel_dp_set_edid()
4600 	intel_dp_unset_edid(intel_dp);  in intel_dp_set_edid()
4601 	edid = intel_dp_get_edid(intel_dp);  in intel_dp_set_edid()
4609 	intel_dp_update_dfp(intel_dp, edid);  in intel_dp_set_edid()
4610 	intel_dp_update_420(intel_dp);  in intel_dp_set_edid()
4613 		intel_dp->has_hdmi_sink = drm_detect_hdmi_monitor(edid);  in intel_dp_set_edid()
4614 		intel_dp->has_audio = drm_detect_monitor_audio(edid);  in intel_dp_set_edid()
4617 	drm_dp_cec_set_edid(&intel_dp->aux, edid);  in intel_dp_set_edid()
4621 intel_dp_unset_edid(struct intel_dp *intel_dp)  in intel_dp_unset_edid()  argument
4623 	struct intel_connector *connector = intel_dp->attached_connector;  in intel_dp_unset_edid()
4625 	drm_dp_cec_unset_edid(&intel_dp->aux);  in intel_dp_unset_edid()
4629 	intel_dp->has_hdmi_sink = false;  in intel_dp_unset_edid()
4630 	intel_dp->has_audio = false;  in intel_dp_unset_edid()
4632 	intel_dp->dfp.max_bpc = 0;  in intel_dp_unset_edid()
4633 	intel_dp->dfp.max_dotclock = 0;  in intel_dp_unset_edid()
4634 	intel_dp->dfp.min_tmds_clock = 0;  in intel_dp_unset_edid()
4635 	intel_dp->dfp.max_tmds_clock = 0;  in intel_dp_unset_edid()
4637 	intel_dp->dfp.pcon_max_frl_bw = 0;  in intel_dp_unset_edid()
4639 	intel_dp->dfp.ycbcr_444_to_420 = false;  in intel_dp_unset_edid()
4652 	struct intel_dp *intel_dp = intel_attached_dp(to_intel_connector(connector));  in intel_dp_detect()  local
4653 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in intel_dp_detect()
4666 	if (intel_dp_is_edp(intel_dp))  in intel_dp_detect()
4667 		status = edp_detect(intel_dp);  in intel_dp_detect()
4669 		status = intel_dp_detect_dpcd(intel_dp);  in intel_dp_detect()
4674 		memset(&intel_dp->compliance, 0, sizeof(intel_dp->compliance));  in intel_dp_detect()
4675 		memset(intel_dp->dsc_dpcd, 0, sizeof(intel_dp->dsc_dpcd));  in intel_dp_detect()
4677 		if (intel_dp->is_mst) {  in intel_dp_detect()
4680 				    intel_dp->is_mst,  in intel_dp_detect()
4681 				    intel_dp->mst_mgr.mst_state);  in intel_dp_detect()
4682 			intel_dp->is_mst = false;  in intel_dp_detect()
4683 			drm_dp_mst_topology_mgr_set_mst(&intel_dp->mst_mgr,  in intel_dp_detect()
4684 							intel_dp->is_mst);  in intel_dp_detect()
4692 		intel_dp_get_dsc_sink_cap(intel_dp);  in intel_dp_detect()
4694 	intel_dp_configure_mst(intel_dp);  in intel_dp_detect()
4700 	if (intel_dp->reset_link_params || intel_dp->is_mst) {  in intel_dp_detect()
4701 		intel_dp_reset_max_link_params(intel_dp);  in intel_dp_detect()
4702 		intel_dp->reset_link_params = false;  in intel_dp_detect()
4705 	intel_dp_print_rates(intel_dp);  in intel_dp_detect()
4707 	if (intel_dp->is_mst) {  in intel_dp_detect()
4721 	if (!intel_dp_is_edp(intel_dp)) {  in intel_dp_detect()
4734 	intel_dp->aux.i2c_nack_count = 0;  in intel_dp_detect()
4735 	intel_dp->aux.i2c_defer_count = 0;  in intel_dp_detect()
4737 	intel_dp_set_edid(intel_dp);  in intel_dp_detect()
4738 	if (intel_dp_is_edp(intel_dp) ||  in intel_dp_detect()
4742 	intel_dp_check_device_service_irq(intel_dp);  in intel_dp_detect()
4745 	if (status != connector_status_connected && !intel_dp->is_mst)  in intel_dp_detect()
4746 		intel_dp_unset_edid(intel_dp);  in intel_dp_detect()
4754 	if (!intel_dp_is_edp(intel_dp))  in intel_dp_detect()
4757 						 intel_dp->dpcd,  in intel_dp_detect()
4758 						 intel_dp->downstream_ports);  in intel_dp_detect()
4765 	struct intel_dp *intel_dp = intel_attached_dp(to_intel_connector(connector));  in intel_dp_force()  local
4766 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in intel_dp_force()
4775 	intel_dp_unset_edid(intel_dp);  in intel_dp_force()
4782 	intel_dp_set_edid(intel_dp);  in intel_dp_force()
4805 		struct intel_dp *intel_dp = intel_attached_dp(intel_connector);  in intel_dp_get_modes()  local
4809 					      intel_dp->dpcd,  in intel_dp_get_modes()
4810 					      intel_dp->downstream_ports);  in intel_dp_get_modes()
4824 	struct intel_dp *intel_dp = intel_attached_dp(to_intel_connector(connector));  in intel_dp_connector_register()  local
4825 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in intel_dp_connector_register()
4834 		    intel_dp->aux.name, connector->kdev->kobj.name);  in intel_dp_connector_register()
4836 	intel_dp->aux.dev = connector->kdev;  in intel_dp_connector_register()
4837 	ret = drm_dp_aux_register(&intel_dp->aux);  in intel_dp_connector_register()
4839 		drm_dp_cec_register_connector(&intel_dp->aux, connector);  in intel_dp_connector_register()
4860 	struct intel_dp *intel_dp = intel_attached_dp(to_intel_connector(connector));  in intel_dp_connector_unregister()  local
4862 	drm_dp_cec_unregister_connector(&intel_dp->aux);  in intel_dp_connector_unregister()
4863 	drm_dp_aux_unregister(&intel_dp->aux);  in intel_dp_connector_unregister()
4870 	struct intel_dp *intel_dp = &dig_port->dp;  in intel_dp_encoder_flush_work()  local
4874 	intel_pps_vdd_off_sync(intel_dp);  in intel_dp_encoder_flush_work()
4876 	intel_dp_aux_fini(intel_dp);  in intel_dp_encoder_flush_work()
4881 	struct intel_dp *intel_dp = enc_to_intel_dp(intel_encoder);  in intel_dp_encoder_suspend()  local
4883 	intel_pps_vdd_off_sync(intel_dp);  in intel_dp_encoder_suspend()
4888 	struct intel_dp *intel_dp = enc_to_intel_dp(intel_encoder);  in intel_dp_encoder_shutdown()  local
4890 	intel_pps_wait_power_cycle(intel_dp);  in intel_dp_encoder_shutdown()
5008 	struct intel_dp *intel_dp = enc_to_intel_dp(intel_conn->encoder);  in intel_dp_connector_atomic_check()  local
5015 	if (intel_dp_mst_source_support(intel_dp)) {  in intel_dp_connector_atomic_check()
5016 		ret = drm_dp_mst_root_conn_atomic_check(conn_state, &intel_dp->mst_mgr);  in intel_dp_connector_atomic_check()
5075 	struct intel_dp *intel_dp = &dig_port->dp;  in intel_dp_hpd_pulse()  local
5078 	    (long_hpd || !intel_pps_have_panel_power_or_vdd(intel_dp))) {  in intel_dp_hpd_pulse()
5099 		intel_dp->reset_link_params = true;  in intel_dp_hpd_pulse()
5103 	if (intel_dp->is_mst) {  in intel_dp_hpd_pulse()
5104 		if (!intel_dp_check_mst_status(intel_dp))  in intel_dp_hpd_pulse()
5106 	} else if (!intel_dp_short_pulse(intel_dp)) {  in intel_dp_hpd_pulse()
5149 intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connector)  in intel_dp_add_properties()  argument
5152 	enum port port = dp_to_dig_port(intel_dp)->base.port;  in intel_dp_add_properties()
5154 	if (!intel_dp_is_edp(intel_dp))  in intel_dp_add_properties()
5177 	if (intel_dp_is_edp(intel_dp)) {  in intel_dp_add_properties()
5195 intel_edp_add_properties(struct intel_dp *intel_dp)  in intel_edp_add_properties()  argument
5197 	struct intel_connector *connector = intel_dp->attached_connector;  in intel_edp_add_properties()
5211 static bool intel_edp_init_connector(struct intel_dp *intel_dp,  in intel_edp_init_connector()  argument
5214 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);  in intel_edp_init_connector()
5218 	struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;  in intel_edp_init_connector()
5223 	if (!intel_dp_is_edp(intel_dp))  in intel_edp_init_connector()
5241 	intel_pps_init(intel_dp);  in intel_edp_init_connector()
5244 	has_dpcd = intel_edp_init_dpcd(intel_dp);  in intel_edp_init_connector()
5254 	edid = drm_get_edid(connector, &intel_dp->aux.ddc);  in intel_edp_init_connector()
5283 	intel_edp_mso_init(intel_dp);  in intel_edp_init_connector()
5301 		pipe = vlv_active_pipe(intel_dp);  in intel_edp_init_connector()
5304 			pipe = intel_dp->pps.pps_pipe;  in intel_edp_init_connector()
5318 	intel_edp_add_properties(intel_dp);  in intel_edp_init_connector()
5320 	intel_pps_init_late(intel_dp);  in intel_edp_init_connector()
5325 	intel_pps_vdd_off_sync(intel_dp);  in intel_edp_init_connector()
5358 	struct intel_dp *intel_dp = &dig_port->dp;  in intel_dp_init_connector()  local
5376 	intel_dp->reset_link_params = true;  in intel_dp_init_connector()
5377 	intel_dp->pps.pps_pipe = INVALID_PIPE;  in intel_dp_init_connector()
5378 	intel_dp->pps.active_pipe = INVALID_PIPE;  in intel_dp_init_connector()
5381 	intel_dp->DP = intel_de_read(dev_priv, intel_dp->output_reg);  in intel_dp_init_connector()
5382 	intel_dp->attached_connector = intel_connector;  in intel_dp_init_connector()
5402 	intel_dp_set_default_sink_rates(intel_dp);  in intel_dp_init_connector()
5403 	intel_dp_set_default_max_sink_lane_count(intel_dp);  in intel_dp_init_connector()
5406 		intel_dp->pps.active_pipe = vlv_active_pipe(intel_dp);  in intel_dp_init_connector()
5422 	intel_dp_aux_init(intel_dp);  in intel_dp_init_connector()
5431 	if (!intel_edp_init_connector(intel_dp, intel_connector)) {  in intel_dp_init_connector()
5432 		intel_dp_aux_fini(intel_dp);  in intel_dp_init_connector()
5436 	intel_dp_set_source_rates(intel_dp);  in intel_dp_init_connector()
5437 	intel_dp_set_common_rates(intel_dp);  in intel_dp_init_connector()
5438 	intel_dp_reset_max_link_params(intel_dp);  in intel_dp_init_connector()
5444 	intel_dp_add_properties(intel_dp, connector);  in intel_dp_init_connector()
5446 	if (is_hdcp_supported(dev_priv, port) && !intel_dp_is_edp(intel_dp)) {  in intel_dp_init_connector()
5463 	intel_dp->frl.is_trained = false;  in intel_dp_init_connector()
5464 	intel_dp->frl.trained_rate_gbps = 0;  in intel_dp_init_connector()
5466 	intel_psr_init(intel_dp);  in intel_dp_init_connector()
5484 		struct intel_dp *intel_dp;  in intel_dp_mst_suspend()  local
5489 		intel_dp = enc_to_intel_dp(encoder);  in intel_dp_mst_suspend()
5491 		if (!intel_dp_mst_source_support(intel_dp))  in intel_dp_mst_suspend()
5494 		if (intel_dp->is_mst)  in intel_dp_mst_suspend()
5495 			drm_dp_mst_topology_mgr_suspend(&intel_dp->mst_mgr);  in intel_dp_mst_suspend()
5507 		struct intel_dp *intel_dp;  in intel_dp_mst_resume()  local
5513 		intel_dp = enc_to_intel_dp(encoder);  in intel_dp_mst_resume()
5515 		if (!intel_dp_mst_source_support(intel_dp))  in intel_dp_mst_resume()
5518 		ret = drm_dp_mst_topology_mgr_resume(&intel_dp->mst_mgr,  in intel_dp_mst_resume()
5521 			intel_dp->is_mst = false;  in intel_dp_mst_resume()
5522 			drm_dp_mst_topology_mgr_set_mst(&intel_dp->mst_mgr,  in intel_dp_mst_resume()