163 static bool intel_dp_get_colorimetry_status(struct intel_dp *intel_dp)  in intel_dp_get_colorimetry_status()  argument
167 	if (drm_dp_dpcd_readb(&intel_dp->aux, DP_DPRX_FEATURE_ENUMERATION_LIST,  in intel_dp_get_colorimetry_status()
173 static bool intel_dp_get_alpm_status(struct intel_dp *intel_dp)  in intel_dp_get_alpm_status()  argument
177 	if (drm_dp_dpcd_readb(&intel_dp->aux, DP_RECEIVER_ALPM_CAP,  in intel_dp_get_alpm_status()
183 static u8 intel_dp_get_sink_sync_latency(struct intel_dp *intel_dp)  in intel_dp_get_sink_sync_latency()  argument
187 	if (drm_dp_dpcd_readb(&intel_dp->aux,  in intel_dp_get_sink_sync_latency()
195 void intel_psr_init_dpcd(struct intel_dp *intel_dp)  in intel_psr_init_dpcd()  argument
198 		to_i915(dp_to_dig_port(intel_dp)->base.base.dev);  in intel_psr_init_dpcd()
200 	drm_dp_dpcd_read(&intel_dp->aux, DP_PSR_SUPPORT, intel_dp->psr_dpcd,  in intel_psr_init_dpcd()
201 			 sizeof(intel_dp->psr_dpcd));  in intel_psr_init_dpcd()
203 	if (!intel_dp->psr_dpcd[0])  in intel_psr_init_dpcd()
206 		      intel_dp->psr_dpcd[0]);  in intel_psr_init_dpcd()
208 	if (!(intel_dp->edp_dpcd[1] & DP_EDP_SET_POWER_CAP)) {  in intel_psr_init_dpcd()
214 		intel_dp_get_sink_sync_latency(intel_dp);  in intel_psr_init_dpcd()
217 	    (intel_dp->psr_dpcd[0] == DP_PSR2_WITH_Y_COORD_IS_SUPPORTED)) {  in intel_psr_init_dpcd()
218 		bool y_req = intel_dp->psr_dpcd[1] &  in intel_psr_init_dpcd()
220 		bool alpm = intel_dp_get_alpm_status(intel_dp);  in intel_psr_init_dpcd()
239 				intel_dp_get_colorimetry_status(intel_dp);  in intel_psr_init_dpcd()
244 static void intel_psr_setup_vsc(struct intel_dp *intel_dp,  in intel_psr_setup_vsc()  argument
247 	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);  in intel_psr_setup_vsc()
276 static void hsw_psr_setup_aux(struct intel_dp *intel_dp)  in hsw_psr_setup_aux()  argument
278 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in hsw_psr_setup_aux()
299 	aux_clock_divider = intel_dp->get_aux_clock_divider(intel_dp, 0);  in hsw_psr_setup_aux()
302 	aux_ctl = intel_dp->get_aux_send_ctl(intel_dp, sizeof(aux_msg),  in hsw_psr_setup_aux()
310 static void intel_psr_enable_sink(struct intel_dp *intel_dp)  in intel_psr_enable_sink()  argument
312 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in intel_psr_enable_sink()
319 		drm_dp_dpcd_writeb(&intel_dp->aux, DP_RECEIVER_ALPM_CONFIG,  in intel_psr_enable_sink()
328 	drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG, dpcd_val);  in intel_psr_enable_sink()
330 	drm_dp_dpcd_writeb(&intel_dp->aux, DP_SET_POWER, DP_SET_POWER_D0);  in intel_psr_enable_sink()
333 static void hsw_activate_psr1(struct intel_dp *intel_dp)  in hsw_activate_psr1()  argument
335 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in hsw_activate_psr1()
377 	if (intel_dp_source_supports_hbr2(intel_dp) &&  in hsw_activate_psr1()
378 	    drm_dp_tps3_supported(intel_dp->dpcd))  in hsw_activate_psr1()
390 static void hsw_activate_psr2(struct intel_dp *intel_dp)  in hsw_activate_psr2()  argument
392 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in hsw_activate_psr2()
427 static bool intel_psr2_config_valid(struct intel_dp *intel_dp,  in intel_psr2_config_valid()  argument
430 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in intel_psr2_config_valid()
462 void intel_psr_compute_config(struct intel_dp *intel_dp,  in intel_psr_compute_config()  argument
465 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in intel_psr_compute_config()
504 	psr_setup_time = drm_dp_psr_setup_time(intel_dp->psr_dpcd);  in intel_psr_compute_config()
507 			      intel_dp->psr_dpcd[1]);  in intel_psr_compute_config()
519 	crtc_state->has_psr2 = intel_psr2_config_valid(intel_dp, crtc_state);  in intel_psr_compute_config()
523 static void intel_psr_activate(struct intel_dp *intel_dp)  in intel_psr_activate()  argument
525 	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);  in intel_psr_activate()
537 		hsw_activate_psr2(intel_dp);  in intel_psr_activate()
539 		hsw_activate_psr1(intel_dp);  in intel_psr_activate()
544 static void intel_psr_enable_source(struct intel_dp *intel_dp,  in intel_psr_enable_source()  argument
547 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in intel_psr_enable_source()
556 		hsw_psr_setup_aux(intel_dp);  in intel_psr_enable_source()
599 void intel_psr_enable(struct intel_dp *intel_dp,  in intel_psr_enable()  argument
602 	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);  in intel_psr_enable()
622 	intel_psr_setup_vsc(intel_dp, crtc_state);  in intel_psr_enable()
623 	intel_psr_enable_sink(intel_dp);  in intel_psr_enable()
624 	intel_psr_enable_source(intel_dp, crtc_state);  in intel_psr_enable()
625 	dev_priv->psr.enabled = intel_dp;  in intel_psr_enable()
627 	intel_psr_activate(intel_dp);  in intel_psr_enable()
634 intel_psr_disable_source(struct intel_dp *intel_dp)  in intel_psr_disable_source()  argument
636 	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);  in intel_psr_disable_source()
675 static void intel_psr_disable_locked(struct intel_dp *intel_dp)  in intel_psr_disable_locked()  argument
677 	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);  in intel_psr_disable_locked()
686 	intel_psr_disable_source(intel_dp);  in intel_psr_disable_locked()
689 	drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG, 0);  in intel_psr_disable_locked()
701 void intel_psr_disable(struct intel_dp *intel_dp,  in intel_psr_disable()  argument
704 	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);  in intel_psr_disable()
715 	intel_psr_disable_locked(intel_dp);  in intel_psr_disable()
759 	struct intel_dp *intel_dp;  in __psr_wait_for_idle_locked()  local
764 	intel_dp = dev_priv->psr.enabled;  in __psr_wait_for_idle_locked()
765 	if (!intel_dp)  in __psr_wait_for_idle_locked()
978 void intel_psr_short_pulse(struct intel_dp *intel_dp)  in intel_psr_short_pulse()  argument
980 	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);  in intel_psr_short_pulse()
989 	if (!CAN_PSR(dev_priv) || !intel_dp_is_edp(intel_dp))  in intel_psr_short_pulse()
994 	if (psr->enabled != intel_dp)  in intel_psr_short_pulse()
997 	if (drm_dp_dpcd_readb(&intel_dp->aux, DP_PSR_STATUS, &val) != 1) {  in intel_psr_short_pulse()
1004 		intel_psr_disable_locked(intel_dp);  in intel_psr_short_pulse()
1007 	if (drm_dp_dpcd_readb(&intel_dp->aux, DP_PSR_ERROR_STATUS, &val) != 1) {  in intel_psr_short_pulse()
1023 		intel_psr_disable_locked(intel_dp);  in intel_psr_short_pulse()
1025 	drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_ERROR_STATUS, val);  in intel_psr_short_pulse()