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()
104 static void vlv_psr_setup_vsc(struct intel_dp *intel_dp)  in vlv_psr_setup_vsc()  argument
106 	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);  in vlv_psr_setup_vsc()
120 static void hsw_psr_setup_vsc(struct intel_dp *intel_dp)  in hsw_psr_setup_vsc()  argument
130 	intel_psr_write_vsc(intel_dp, &psr_vsc);  in hsw_psr_setup_vsc()
133 static void vlv_psr_enable_sink(struct intel_dp *intel_dp)  in vlv_psr_enable_sink()  argument
135 	drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG,  in vlv_psr_enable_sink()
139 static void hsw_psr_enable_sink(struct intel_dp *intel_dp)  in hsw_psr_enable_sink()  argument
141 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in hsw_psr_enable_sink()
158 	aux_clock_divider = intel_dp->get_aux_clock_divider(intel_dp, 0);  in hsw_psr_enable_sink()
162 		drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG,  in hsw_psr_enable_sink()
165 		drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG,  in hsw_psr_enable_sink()
198 static void vlv_psr_enable_source(struct intel_dp *intel_dp)  in vlv_psr_enable_source()  argument
200 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in vlv_psr_enable_source()
213 static void vlv_psr_activate(struct intel_dp *intel_dp)  in vlv_psr_activate()  argument
215 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in vlv_psr_activate()
230 static void hsw_psr_enable_source(struct intel_dp *intel_dp)  in hsw_psr_enable_source()  argument
232 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in hsw_psr_enable_source()
260 static bool intel_psr_match_conditions(struct intel_dp *intel_dp)  in intel_psr_match_conditions()  argument
262 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in intel_psr_match_conditions()
301 static void intel_psr_activate(struct intel_dp *intel_dp)  in intel_psr_activate()  argument
303 	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);  in intel_psr_activate()
317 		hsw_psr_enable_source(intel_dp);  in intel_psr_activate()
319 		vlv_psr_activate(intel_dp);  in intel_psr_activate()
330 void intel_psr_enable(struct intel_dp *intel_dp)  in intel_psr_enable()  argument
332 	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);  in intel_psr_enable()
341 	if (!is_edp_psr(intel_dp)) {  in intel_psr_enable()
352 	if (!intel_psr_match_conditions(intel_dp))  in intel_psr_enable()
358 	if ((intel_dp->psr_dpcd[1] & DP_PSR_NO_TRAIN_ON_EXIT) ||  in intel_psr_enable()
365 		hsw_psr_setup_vsc(intel_dp);  in intel_psr_enable()
372 		hsw_psr_enable_sink(intel_dp);  in intel_psr_enable()
375 			intel_psr_activate(intel_dp);  in intel_psr_enable()
377 		vlv_psr_setup_vsc(intel_dp);  in intel_psr_enable()
380 		vlv_psr_enable_sink(intel_dp);  in intel_psr_enable()
388 		vlv_psr_enable_source(intel_dp);  in intel_psr_enable()
391 	dev_priv->psr.enabled = intel_dp;  in intel_psr_enable()
396 static void vlv_psr_disable(struct intel_dp *intel_dp)  in vlv_psr_disable()  argument
398 	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);  in vlv_psr_disable()
423 static void hsw_psr_disable(struct intel_dp *intel_dp)  in hsw_psr_disable()  argument
425 	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);  in hsw_psr_disable()
450 void intel_psr_disable(struct intel_dp *intel_dp)  in intel_psr_disable()  argument
452 	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);  in intel_psr_disable()
463 		hsw_psr_disable(intel_dp);  in intel_psr_disable()
465 		vlv_psr_disable(intel_dp);  in intel_psr_disable()
477 	struct intel_dp *intel_dp = dev_priv->psr.enabled;  in intel_psr_work()  local
478 	struct drm_crtc *crtc = dp_to_dig_port(intel_dp)->base.base.crtc;  in intel_psr_work()
500 	intel_dp = dev_priv->psr.enabled;  in intel_psr_work()
502 	if (!intel_dp)  in intel_psr_work()
513 	intel_psr_activate(intel_dp);  in intel_psr_work()
521 	struct intel_dp *intel_dp = dev_priv->psr.enabled;  in intel_psr_exit()  local
522 	struct drm_crtc *crtc = dp_to_dig_port(intel_dp)->base.base.crtc;  in intel_psr_exit()
555 		drm_dp_dpcd_writeb(&intel_dp->aux, DP_SET_POWER,  in intel_psr_exit()