59 static bool is_edp_psr(struct intel_dp *intel_dp)  in is_edp_psr()  argument
61 	return intel_dp->psr_dpcd[0] & DP_PSR_IS_SUPPORTED;  in is_edp_psr()
75 static void intel_psr_write_vsc(struct intel_dp *intel_dp,  in intel_psr_write_vsc()  argument
78 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in intel_psr_write_vsc()
106 static void vlv_psr_setup_vsc(struct intel_dp *intel_dp)  in vlv_psr_setup_vsc()  argument
108 	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);  in vlv_psr_setup_vsc()
122 static void skl_psr_setup_su_vsc(struct intel_dp *intel_dp)  in skl_psr_setup_su_vsc()  argument
132 	intel_psr_write_vsc(intel_dp, &psr_vsc);  in skl_psr_setup_su_vsc()
135 static void hsw_psr_setup_vsc(struct intel_dp *intel_dp)  in hsw_psr_setup_vsc()  argument
145 	intel_psr_write_vsc(intel_dp, &psr_vsc);  in hsw_psr_setup_vsc()
148 static void vlv_psr_enable_sink(struct intel_dp *intel_dp)  in vlv_psr_enable_sink()  argument
150 	drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG,  in vlv_psr_enable_sink()
154 static void hsw_psr_enable_sink(struct intel_dp *intel_dp)  in hsw_psr_enable_sink()  argument
156 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in hsw_psr_enable_sink()
173 	aux_clock_divider = intel_dp->get_aux_clock_divider(intel_dp, 0);  in hsw_psr_enable_sink()
175 	drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG,  in hsw_psr_enable_sink()
180 		drm_dp_dpcd_writeb(&intel_dp->aux,  in hsw_psr_enable_sink()
215 	drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG, DP_PSR_ENABLE);  in hsw_psr_enable_sink()
218 static void vlv_psr_enable_source(struct intel_dp *intel_dp)  in vlv_psr_enable_source()  argument
220 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in vlv_psr_enable_source()
233 static void vlv_psr_activate(struct intel_dp *intel_dp)  in vlv_psr_activate()  argument
235 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in vlv_psr_activate()
250 static void hsw_psr_enable_source(struct intel_dp *intel_dp)  in hsw_psr_enable_source()  argument
252 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in hsw_psr_enable_source()
269 	if (intel_dp->psr_dpcd[1] & DP_PSR_NO_TRAIN_ON_EXIT) {  in hsw_psr_enable_source()
290 static bool intel_psr_match_conditions(struct intel_dp *intel_dp)  in intel_psr_match_conditions()  argument
292 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in intel_psr_match_conditions()
337 static void intel_psr_activate(struct intel_dp *intel_dp)  in intel_psr_activate()  argument
339 	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);  in intel_psr_activate()
353 		hsw_psr_enable_source(intel_dp);  in intel_psr_activate()
355 		vlv_psr_activate(intel_dp);  in intel_psr_activate()
366 void intel_psr_enable(struct intel_dp *intel_dp)  in intel_psr_enable()  argument
368 	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);  in intel_psr_enable()
378 	if (!is_edp_psr(intel_dp)) {  in intel_psr_enable()
389 	if (!intel_psr_match_conditions(intel_dp))  in intel_psr_enable()
395 		hsw_psr_setup_vsc(intel_dp);  in intel_psr_enable()
403 				skl_psr_setup_su_vsc(intel_dp);  in intel_psr_enable()
411 		hsw_psr_enable_sink(intel_dp);  in intel_psr_enable()
414 			intel_psr_activate(intel_dp);  in intel_psr_enable()
416 		vlv_psr_setup_vsc(intel_dp);  in intel_psr_enable()
419 		vlv_psr_enable_sink(intel_dp);  in intel_psr_enable()
427 		vlv_psr_enable_source(intel_dp);  in intel_psr_enable()
430 	dev_priv->psr.enabled = intel_dp;  in intel_psr_enable()
435 static void vlv_psr_disable(struct intel_dp *intel_dp)  in vlv_psr_disable()  argument
437 	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);  in vlv_psr_disable()
462 static void hsw_psr_disable(struct intel_dp *intel_dp)  in hsw_psr_disable()  argument
464 	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);  in hsw_psr_disable()
489 void intel_psr_disable(struct intel_dp *intel_dp)  in intel_psr_disable()  argument
491 	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);  in intel_psr_disable()
502 		hsw_psr_disable(intel_dp);  in intel_psr_disable()
504 		vlv_psr_disable(intel_dp);  in intel_psr_disable()
516 	struct intel_dp *intel_dp = dev_priv->psr.enabled;  in intel_psr_work()  local
517 	struct drm_crtc *crtc = dp_to_dig_port(intel_dp)->base.base.crtc;  in intel_psr_work()
539 	intel_dp = dev_priv->psr.enabled;  in intel_psr_work()
541 	if (!intel_dp)  in intel_psr_work()
552 	intel_psr_activate(intel_dp);  in intel_psr_work()
560 	struct intel_dp *intel_dp = dev_priv->psr.enabled;  in intel_psr_exit()  local
561 	struct drm_crtc *crtc = dp_to_dig_port(intel_dp)->base.base.crtc;  in intel_psr_exit()
594 		drm_dp_dpcd_writeb(&intel_dp->aux, DP_SET_POWER,  in intel_psr_exit()