20 static void pps_init_delays(struct intel_dp *intel_dp);
21 static void pps_init_registers(struct intel_dp *intel_dp, bool force_disable_vdd);
23 intel_wakeref_t intel_pps_lock(struct intel_dp *intel_dp)  in intel_pps_lock()  argument
25 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);  in intel_pps_lock()
37 intel_wakeref_t intel_pps_unlock(struct intel_dp *intel_dp,  in intel_pps_unlock()  argument
40 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);  in intel_pps_unlock()
49 vlv_power_sequencer_kick(struct intel_dp *intel_dp)  in vlv_power_sequencer_kick()  argument
51 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);  in vlv_power_sequencer_kick()
52 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in vlv_power_sequencer_kick()
53 	enum pipe pipe = intel_dp->pps.pps_pipe;  in vlv_power_sequencer_kick()
60 		     intel_de_read(dev_priv, intel_dp->output_reg) & DP_PORT_EN,  in vlv_power_sequencer_kick()
74 	DP = intel_de_read(dev_priv, intel_dp->output_reg) & DP_DETECTED;  in vlv_power_sequencer_kick()
108 	intel_de_write(dev_priv, intel_dp->output_reg, DP);  in vlv_power_sequencer_kick()
109 	intel_de_posting_read(dev_priv, intel_dp->output_reg);  in vlv_power_sequencer_kick()
111 	intel_de_write(dev_priv, intel_dp->output_reg, DP | DP_PORT_EN);  in vlv_power_sequencer_kick()
112 	intel_de_posting_read(dev_priv, intel_dp->output_reg);  in vlv_power_sequencer_kick()
114 	intel_de_write(dev_priv, intel_dp->output_reg, DP & ~DP_PORT_EN);  in vlv_power_sequencer_kick()
115 	intel_de_posting_read(dev_priv, intel_dp->output_reg);  in vlv_power_sequencer_kick()
135 		struct intel_dp *intel_dp = enc_to_intel_dp(encoder);  in vlv_find_free_pps()  local
139 				    intel_dp->pps.active_pipe != INVALID_PIPE &&  in vlv_find_free_pps()
140 				    intel_dp->pps.active_pipe !=  in vlv_find_free_pps()
141 				    intel_dp->pps.pps_pipe);  in vlv_find_free_pps()
143 			if (intel_dp->pps.pps_pipe != INVALID_PIPE)  in vlv_find_free_pps()
144 				pipes &= ~(1 << intel_dp->pps.pps_pipe);  in vlv_find_free_pps()
147 				    intel_dp->pps.pps_pipe != INVALID_PIPE);  in vlv_find_free_pps()
149 			if (intel_dp->pps.active_pipe != INVALID_PIPE)  in vlv_find_free_pps()
150 				pipes &= ~(1 << intel_dp->pps.active_pipe);  in vlv_find_free_pps()
161 vlv_power_sequencer_pipe(struct intel_dp *intel_dp)  in vlv_power_sequencer_pipe()  argument
163 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);  in vlv_power_sequencer_pipe()
164 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in vlv_power_sequencer_pipe()
170 	drm_WARN_ON(&dev_priv->drm, !intel_dp_is_edp(intel_dp));  in vlv_power_sequencer_pipe()
172 	drm_WARN_ON(&dev_priv->drm, intel_dp->pps.active_pipe != INVALID_PIPE &&  in vlv_power_sequencer_pipe()
173 		    intel_dp->pps.active_pipe != intel_dp->pps.pps_pipe);  in vlv_power_sequencer_pipe()
175 	if (intel_dp->pps.pps_pipe != INVALID_PIPE)  in vlv_power_sequencer_pipe()
176 		return intel_dp->pps.pps_pipe;  in vlv_power_sequencer_pipe()
188 	intel_dp->pps.pps_pipe = pipe;  in vlv_power_sequencer_pipe()
192 		    pipe_name(intel_dp->pps.pps_pipe),  in vlv_power_sequencer_pipe()
197 	pps_init_delays(intel_dp);  in vlv_power_sequencer_pipe()
198 	pps_init_registers(intel_dp, true);  in vlv_power_sequencer_pipe()
204 	vlv_power_sequencer_kick(intel_dp);  in vlv_power_sequencer_pipe()
206 	return intel_dp->pps.pps_pipe;  in vlv_power_sequencer_pipe()
210 bxt_power_sequencer_idx(struct intel_dp *intel_dp)  in bxt_power_sequencer_idx()  argument
212 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);  in bxt_power_sequencer_idx()
213 	struct intel_connector *connector = intel_dp->attached_connector;  in bxt_power_sequencer_idx()
219 	drm_WARN_ON(&dev_priv->drm, !intel_dp_is_edp(intel_dp));  in bxt_power_sequencer_idx()
221 	if (!intel_dp->pps.pps_reset)  in bxt_power_sequencer_idx()
224 	intel_dp->pps.pps_reset = false;  in bxt_power_sequencer_idx()
230 	pps_init_registers(intel_dp, false);  in bxt_power_sequencer_idx()
280 vlv_initial_power_sequencer_setup(struct intel_dp *intel_dp)  in vlv_initial_power_sequencer_setup()  argument
282 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);  in vlv_initial_power_sequencer_setup()
283 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in vlv_initial_power_sequencer_setup()
290 	intel_dp->pps.pps_pipe = vlv_initial_pps_pipe(dev_priv, port,  in vlv_initial_power_sequencer_setup()
293 	if (intel_dp->pps.pps_pipe == INVALID_PIPE)  in vlv_initial_power_sequencer_setup()
294 		intel_dp->pps.pps_pipe = vlv_initial_pps_pipe(dev_priv, port,  in vlv_initial_power_sequencer_setup()
297 	if (intel_dp->pps.pps_pipe == INVALID_PIPE)  in vlv_initial_power_sequencer_setup()
298 		intel_dp->pps.pps_pipe = vlv_initial_pps_pipe(dev_priv, port,  in vlv_initial_power_sequencer_setup()
302 	if (intel_dp->pps.pps_pipe == INVALID_PIPE) {  in vlv_initial_power_sequencer_setup()
314 		    pipe_name(intel_dp->pps.pps_pipe));  in vlv_initial_power_sequencer_setup()
338 		struct intel_dp *intel_dp = enc_to_intel_dp(encoder);  in intel_pps_reset_all()  local
341 			    intel_dp->pps.active_pipe != INVALID_PIPE);  in intel_pps_reset_all()
347 			intel_dp->pps.pps_reset = true;  in intel_pps_reset_all()
349 			intel_dp->pps.pps_pipe = INVALID_PIPE;  in intel_pps_reset_all()
361 static void intel_pps_get_registers(struct intel_dp *intel_dp,  in intel_pps_get_registers()  argument
364 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);  in intel_pps_get_registers()
370 		pps_idx = bxt_power_sequencer_idx(intel_dp);  in intel_pps_get_registers()
372 		pps_idx = vlv_power_sequencer_pipe(intel_dp);  in intel_pps_get_registers()
388 _pp_ctrl_reg(struct intel_dp *intel_dp)  in _pp_ctrl_reg()  argument
392 	intel_pps_get_registers(intel_dp, &regs);  in _pp_ctrl_reg()
398 _pp_stat_reg(struct intel_dp *intel_dp)  in _pp_stat_reg()  argument
402 	intel_pps_get_registers(intel_dp, &regs);  in _pp_stat_reg()
407 static bool edp_have_panel_power(struct intel_dp *intel_dp)  in edp_have_panel_power()  argument
409 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);  in edp_have_panel_power()
414 	    intel_dp->pps.pps_pipe == INVALID_PIPE)  in edp_have_panel_power()
417 	return (intel_de_read(dev_priv, _pp_stat_reg(intel_dp)) & PP_ON) != 0;  in edp_have_panel_power()
420 static bool edp_have_panel_vdd(struct intel_dp *intel_dp)  in edp_have_panel_vdd()  argument
422 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);  in edp_have_panel_vdd()
427 	    intel_dp->pps.pps_pipe == INVALID_PIPE)  in edp_have_panel_vdd()
430 	return intel_de_read(dev_priv, _pp_ctrl_reg(intel_dp)) & EDP_FORCE_VDD;  in edp_have_panel_vdd()
433 void intel_pps_check_power_unlocked(struct intel_dp *intel_dp)  in intel_pps_check_power_unlocked()  argument
435 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);  in intel_pps_check_power_unlocked()
437 	if (!intel_dp_is_edp(intel_dp))  in intel_pps_check_power_unlocked()
440 	if (!edp_have_panel_power(intel_dp) && !edp_have_panel_vdd(intel_dp)) {  in intel_pps_check_power_unlocked()
444 			    intel_de_read(dev_priv, _pp_stat_reg(intel_dp)),  in intel_pps_check_power_unlocked()
445 			    intel_de_read(dev_priv, _pp_ctrl_reg(intel_dp)));  in intel_pps_check_power_unlocked()
458 static void intel_pps_verify_state(struct intel_dp *intel_dp);
460 static void wait_panel_status(struct intel_dp *intel_dp,  in wait_panel_status()  argument
464 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);  in wait_panel_status()
469 	intel_pps_verify_state(intel_dp);  in wait_panel_status()
471 	pp_stat_reg = _pp_stat_reg(intel_dp);  in wait_panel_status()
472 	pp_ctrl_reg = _pp_ctrl_reg(intel_dp);  in wait_panel_status()
490 static void wait_panel_on(struct intel_dp *intel_dp)  in wait_panel_on()  argument
492 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in wait_panel_on()
495 	wait_panel_status(intel_dp, IDLE_ON_MASK, IDLE_ON_VALUE);  in wait_panel_on()
498 static void wait_panel_off(struct intel_dp *intel_dp)  in wait_panel_off()  argument
500 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in wait_panel_off()
503 	wait_panel_status(intel_dp, IDLE_OFF_MASK, IDLE_OFF_VALUE);  in wait_panel_off()
506 static void wait_panel_power_cycle(struct intel_dp *intel_dp)  in wait_panel_power_cycle()  argument
508 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in wait_panel_power_cycle()
517 	panel_power_off_duration = ktime_ms_delta(panel_power_on_time, intel_dp->pps.panel_power_off_time);  in wait_panel_power_cycle()
521 	if (panel_power_off_duration < (s64)intel_dp->pps.panel_power_cycle_delay)  in wait_panel_power_cycle()
523 				       intel_dp->pps.panel_power_cycle_delay - panel_power_off_duration);  in wait_panel_power_cycle()
525 	wait_panel_status(intel_dp, IDLE_CYCLE_MASK, IDLE_CYCLE_VALUE);  in wait_panel_power_cycle()
528 void intel_pps_wait_power_cycle(struct intel_dp *intel_dp)  in intel_pps_wait_power_cycle()  argument
532 	if (!intel_dp_is_edp(intel_dp))  in intel_pps_wait_power_cycle()
535 	with_intel_pps_lock(intel_dp, wakeref)  in intel_pps_wait_power_cycle()
536 		wait_panel_power_cycle(intel_dp);  in intel_pps_wait_power_cycle()
539 static void wait_backlight_on(struct intel_dp *intel_dp)  in wait_backlight_on()  argument
541 	wait_remaining_ms_from_jiffies(intel_dp->pps.last_power_on,  in wait_backlight_on()
542 				       intel_dp->pps.backlight_on_delay);  in wait_backlight_on()
545 static void edp_wait_backlight_off(struct intel_dp *intel_dp)  in edp_wait_backlight_off()  argument
547 	wait_remaining_ms_from_jiffies(intel_dp->pps.last_backlight_off,  in edp_wait_backlight_off()
548 				       intel_dp->pps.backlight_off_delay);  in edp_wait_backlight_off()
555 static  u32 ilk_get_pp_control(struct intel_dp *intel_dp)  in ilk_get_pp_control()  argument
557 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);  in ilk_get_pp_control()
562 	control = intel_de_read(dev_priv, _pp_ctrl_reg(intel_dp));  in ilk_get_pp_control()
576 bool intel_pps_vdd_on_unlocked(struct intel_dp *intel_dp)  in intel_pps_vdd_on_unlocked()  argument
578 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);  in intel_pps_vdd_on_unlocked()
579 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in intel_pps_vdd_on_unlocked()
582 	bool need_to_disable = !intel_dp->pps.want_panel_vdd;  in intel_pps_vdd_on_unlocked()
586 	if (!intel_dp_is_edp(intel_dp))  in intel_pps_vdd_on_unlocked()
589 	cancel_delayed_work(&intel_dp->pps.panel_vdd_work);  in intel_pps_vdd_on_unlocked()
590 	intel_dp->pps.want_panel_vdd = true;  in intel_pps_vdd_on_unlocked()
592 	if (edp_have_panel_vdd(intel_dp))  in intel_pps_vdd_on_unlocked()
595 	drm_WARN_ON(&dev_priv->drm, intel_dp->pps.vdd_wakeref);  in intel_pps_vdd_on_unlocked()
596 	intel_dp->pps.vdd_wakeref = intel_display_power_get(dev_priv,  in intel_pps_vdd_on_unlocked()
603 	if (!edp_have_panel_power(intel_dp))  in intel_pps_vdd_on_unlocked()
604 		wait_panel_power_cycle(intel_dp);  in intel_pps_vdd_on_unlocked()
606 	pp = ilk_get_pp_control(intel_dp);  in intel_pps_vdd_on_unlocked()
609 	pp_stat_reg = _pp_stat_reg(intel_dp);  in intel_pps_vdd_on_unlocked()
610 	pp_ctrl_reg = _pp_ctrl_reg(intel_dp);  in intel_pps_vdd_on_unlocked()
620 	if (!edp_have_panel_power(intel_dp)) {  in intel_pps_vdd_on_unlocked()
625 		msleep(intel_dp->pps.panel_power_up_delay);  in intel_pps_vdd_on_unlocked()
637 void intel_pps_vdd_on(struct intel_dp *intel_dp)  in intel_pps_vdd_on()  argument
642 	if (!intel_dp_is_edp(intel_dp))  in intel_pps_vdd_on()
646 	with_intel_pps_lock(intel_dp, wakeref)  in intel_pps_vdd_on()
647 		vdd = intel_pps_vdd_on_unlocked(intel_dp);  in intel_pps_vdd_on()
649 			dp_to_dig_port(intel_dp)->base.base.base.id,  in intel_pps_vdd_on()
650 			dp_to_dig_port(intel_dp)->base.base.name);  in intel_pps_vdd_on()
653 static void intel_pps_vdd_off_sync_unlocked(struct intel_dp *intel_dp)  in intel_pps_vdd_off_sync_unlocked()  argument
655 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);  in intel_pps_vdd_off_sync_unlocked()
657 		dp_to_dig_port(intel_dp);  in intel_pps_vdd_off_sync_unlocked()
663 	drm_WARN_ON(&dev_priv->drm, intel_dp->pps.want_panel_vdd);  in intel_pps_vdd_off_sync_unlocked()
665 	if (!edp_have_panel_vdd(intel_dp))  in intel_pps_vdd_off_sync_unlocked()
672 	pp = ilk_get_pp_control(intel_dp);  in intel_pps_vdd_off_sync_unlocked()
675 	pp_ctrl_reg = _pp_ctrl_reg(intel_dp);  in intel_pps_vdd_off_sync_unlocked()
676 	pp_stat_reg = _pp_stat_reg(intel_dp);  in intel_pps_vdd_off_sync_unlocked()
687 		intel_dp->pps.panel_power_off_time = ktime_get_boottime();  in intel_pps_vdd_off_sync_unlocked()
691 				fetch_and_zero(&intel_dp->pps.vdd_wakeref));  in intel_pps_vdd_off_sync_unlocked()
694 void intel_pps_vdd_off_sync(struct intel_dp *intel_dp)  in intel_pps_vdd_off_sync()  argument
698 	if (!intel_dp_is_edp(intel_dp))  in intel_pps_vdd_off_sync()
701 	cancel_delayed_work_sync(&intel_dp->pps.panel_vdd_work);  in intel_pps_vdd_off_sync()
706 	with_intel_pps_lock(intel_dp, wakeref)  in intel_pps_vdd_off_sync()
707 		intel_pps_vdd_off_sync_unlocked(intel_dp);  in intel_pps_vdd_off_sync()
714 	struct intel_dp *intel_dp = container_of(pps, struct intel_dp, pps);  in edp_panel_vdd_work()  local
717 	with_intel_pps_lock(intel_dp, wakeref) {  in edp_panel_vdd_work()
718 		if (!intel_dp->pps.want_panel_vdd)  in edp_panel_vdd_work()
719 			intel_pps_vdd_off_sync_unlocked(intel_dp);  in edp_panel_vdd_work()
723 static void edp_panel_vdd_schedule_off(struct intel_dp *intel_dp)  in edp_panel_vdd_schedule_off()  argument
731 	if (intel_dp->pps.initializing)  in edp_panel_vdd_schedule_off()
739 	delay = msecs_to_jiffies(intel_dp->pps.panel_power_cycle_delay * 5);  in edp_panel_vdd_schedule_off()
740 	schedule_delayed_work(&intel_dp->pps.panel_vdd_work, delay);  in edp_panel_vdd_schedule_off()
748 void intel_pps_vdd_off_unlocked(struct intel_dp *intel_dp, bool sync)  in intel_pps_vdd_off_unlocked()  argument
750 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);  in intel_pps_vdd_off_unlocked()
754 	if (!intel_dp_is_edp(intel_dp))  in intel_pps_vdd_off_unlocked()
757 	I915_STATE_WARN(!intel_dp->pps.want_panel_vdd, "[ENCODER:%d:%s] VDD not forced on",  in intel_pps_vdd_off_unlocked()
758 			dp_to_dig_port(intel_dp)->base.base.base.id,  in intel_pps_vdd_off_unlocked()
759 			dp_to_dig_port(intel_dp)->base.base.name);  in intel_pps_vdd_off_unlocked()
761 	intel_dp->pps.want_panel_vdd = false;  in intel_pps_vdd_off_unlocked()
764 		intel_pps_vdd_off_sync_unlocked(intel_dp);  in intel_pps_vdd_off_unlocked()
766 		edp_panel_vdd_schedule_off(intel_dp);  in intel_pps_vdd_off_unlocked()
769 void intel_pps_on_unlocked(struct intel_dp *intel_dp)  in intel_pps_on_unlocked()  argument
771 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);  in intel_pps_on_unlocked()
777 	if (!intel_dp_is_edp(intel_dp))  in intel_pps_on_unlocked()
781 		    dp_to_dig_port(intel_dp)->base.base.base.id,  in intel_pps_on_unlocked()
782 		    dp_to_dig_port(intel_dp)->base.base.name);  in intel_pps_on_unlocked()
784 	if (drm_WARN(&dev_priv->drm, edp_have_panel_power(intel_dp),  in intel_pps_on_unlocked()
786 		     dp_to_dig_port(intel_dp)->base.base.base.id,  in intel_pps_on_unlocked()
787 		     dp_to_dig_port(intel_dp)->base.base.name))  in intel_pps_on_unlocked()
790 	wait_panel_power_cycle(intel_dp);  in intel_pps_on_unlocked()
792 	pp_ctrl_reg = _pp_ctrl_reg(intel_dp);  in intel_pps_on_unlocked()
793 	pp = ilk_get_pp_control(intel_dp);  in intel_pps_on_unlocked()
808 	wait_panel_on(intel_dp);  in intel_pps_on_unlocked()
809 	intel_dp->pps.last_power_on = jiffies;  in intel_pps_on_unlocked()
818 void intel_pps_on(struct intel_dp *intel_dp)  in intel_pps_on()  argument
822 	if (!intel_dp_is_edp(intel_dp))  in intel_pps_on()
825 	with_intel_pps_lock(intel_dp, wakeref)  in intel_pps_on()
826 		intel_pps_on_unlocked(intel_dp);  in intel_pps_on()
829 void intel_pps_off_unlocked(struct intel_dp *intel_dp)  in intel_pps_off_unlocked()  argument
831 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);  in intel_pps_off_unlocked()
832 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in intel_pps_off_unlocked()
838 	if (!intel_dp_is_edp(intel_dp))  in intel_pps_off_unlocked()
844 	drm_WARN(&dev_priv->drm, !intel_dp->pps.want_panel_vdd,  in intel_pps_off_unlocked()
848 	pp = ilk_get_pp_control(intel_dp);  in intel_pps_off_unlocked()
854 	pp_ctrl_reg = _pp_ctrl_reg(intel_dp);  in intel_pps_off_unlocked()
856 	intel_dp->pps.want_panel_vdd = false;  in intel_pps_off_unlocked()
861 	wait_panel_off(intel_dp);  in intel_pps_off_unlocked()
862 	intel_dp->pps.panel_power_off_time = ktime_get_boottime();  in intel_pps_off_unlocked()
867 				fetch_and_zero(&intel_dp->pps.vdd_wakeref));  in intel_pps_off_unlocked()
870 void intel_pps_off(struct intel_dp *intel_dp)  in intel_pps_off()  argument
874 	if (!intel_dp_is_edp(intel_dp))  in intel_pps_off()
877 	with_intel_pps_lock(intel_dp, wakeref)  in intel_pps_off()
878 		intel_pps_off_unlocked(intel_dp);  in intel_pps_off()
882 void intel_pps_backlight_on(struct intel_dp *intel_dp)  in intel_pps_backlight_on()  argument
884 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);  in intel_pps_backlight_on()
893 	wait_backlight_on(intel_dp);  in intel_pps_backlight_on()
895 	with_intel_pps_lock(intel_dp, wakeref) {  in intel_pps_backlight_on()
896 		i915_reg_t pp_ctrl_reg = _pp_ctrl_reg(intel_dp);  in intel_pps_backlight_on()
899 		pp = ilk_get_pp_control(intel_dp);  in intel_pps_backlight_on()
908 void intel_pps_backlight_off(struct intel_dp *intel_dp)  in intel_pps_backlight_off()  argument
910 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);  in intel_pps_backlight_off()
913 	if (!intel_dp_is_edp(intel_dp))  in intel_pps_backlight_off()
916 	with_intel_pps_lock(intel_dp, wakeref) {  in intel_pps_backlight_off()
917 		i915_reg_t pp_ctrl_reg = _pp_ctrl_reg(intel_dp);  in intel_pps_backlight_off()
920 		pp = ilk_get_pp_control(intel_dp);  in intel_pps_backlight_off()
927 	intel_dp->pps.last_backlight_off = jiffies;  in intel_pps_backlight_off()
928 	edp_wait_backlight_off(intel_dp);  in intel_pps_backlight_off()
938 	struct intel_dp *intel_dp = intel_attached_dp(connector);  in intel_pps_backlight_power()  local
943 	with_intel_pps_lock(intel_dp, wakeref)  in intel_pps_backlight_power()
944 		is_enabled = ilk_get_pp_control(intel_dp) & EDP_BLC_ENABLE;  in intel_pps_backlight_power()
952 		intel_pps_backlight_on(intel_dp);  in intel_pps_backlight_power()
954 		intel_pps_backlight_off(intel_dp);  in intel_pps_backlight_power()
957 static void vlv_detach_power_sequencer(struct intel_dp *intel_dp)  in vlv_detach_power_sequencer()  argument
959 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in vlv_detach_power_sequencer()
961 	enum pipe pipe = intel_dp->pps.pps_pipe;  in vlv_detach_power_sequencer()
964 	drm_WARN_ON(&dev_priv->drm, intel_dp->pps.active_pipe != INVALID_PIPE);  in vlv_detach_power_sequencer()
969 	intel_pps_vdd_off_sync_unlocked(intel_dp);  in vlv_detach_power_sequencer()
987 	intel_dp->pps.pps_pipe = INVALID_PIPE;  in vlv_detach_power_sequencer()
998 		struct intel_dp *intel_dp = enc_to_intel_dp(encoder);  in vlv_steal_power_sequencer()  local
1000 		drm_WARN(&dev_priv->drm, intel_dp->pps.active_pipe == pipe,  in vlv_steal_power_sequencer()
1005 		if (intel_dp->pps.pps_pipe != pipe)  in vlv_steal_power_sequencer()
1014 		vlv_detach_power_sequencer(intel_dp);  in vlv_steal_power_sequencer()
1022 	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);  in vlv_pps_init()  local
1027 	drm_WARN_ON(&dev_priv->drm, intel_dp->pps.active_pipe != INVALID_PIPE);  in vlv_pps_init()
1029 	if (intel_dp->pps.pps_pipe != INVALID_PIPE &&  in vlv_pps_init()
1030 	    intel_dp->pps.pps_pipe != crtc->pipe) {  in vlv_pps_init()
1036 		vlv_detach_power_sequencer(intel_dp);  in vlv_pps_init()
1045 	intel_dp->pps.active_pipe = crtc->pipe;  in vlv_pps_init()
1047 	if (!intel_dp_is_edp(intel_dp))  in vlv_pps_init()
1051 	intel_dp->pps.pps_pipe = crtc->pipe;  in vlv_pps_init()
1055 		    pipe_name(intel_dp->pps.pps_pipe), encoder->base.base.id,  in vlv_pps_init()
1059 	pps_init_delays(intel_dp);  in vlv_pps_init()
1060 	pps_init_registers(intel_dp, true);  in vlv_pps_init()
1063 static void pps_vdd_init(struct intel_dp *intel_dp)  in pps_vdd_init()  argument
1065 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);  in pps_vdd_init()
1066 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);  in pps_vdd_init()
1070 	if (!edp_have_panel_vdd(intel_dp))  in pps_vdd_init()
1081 	drm_WARN_ON(&dev_priv->drm, intel_dp->pps.vdd_wakeref);  in pps_vdd_init()
1082 	intel_dp->pps.vdd_wakeref = intel_display_power_get(dev_priv,  in pps_vdd_init()
1086 bool intel_pps_have_panel_power_or_vdd(struct intel_dp *intel_dp)  in intel_pps_have_panel_power_or_vdd()  argument
1091 	with_intel_pps_lock(intel_dp, wakeref) {  in intel_pps_have_panel_power_or_vdd()
1092 		have_power = edp_have_panel_power(intel_dp) ||  in intel_pps_have_panel_power_or_vdd()
1093 			     edp_have_panel_vdd(intel_dp);  in intel_pps_have_panel_power_or_vdd()
1099 static void pps_init_timestamps(struct intel_dp *intel_dp)  in pps_init_timestamps()  argument
1101 	intel_dp->pps.panel_power_off_time = ktime_get_boottime();  in pps_init_timestamps()
1102 	intel_dp->pps.last_power_on = jiffies;  in pps_init_timestamps()
1103 	intel_dp->pps.last_backlight_off = jiffies;  in pps_init_timestamps()
1107 intel_pps_readout_hw_state(struct intel_dp *intel_dp, struct edp_power_seq *seq)  in intel_pps_readout_hw_state()  argument
1109 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);  in intel_pps_readout_hw_state()
1113 	intel_pps_get_registers(intel_dp, &regs);  in intel_pps_readout_hw_state()
1115 	pp_ctl = ilk_get_pp_control(intel_dp);  in intel_pps_readout_hw_state()
1142 intel_pps_dump_state(struct intel_dp *intel_dp, const char *state_name,  in intel_pps_dump_state()  argument
1145 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_pps_dump_state()
1153 intel_pps_verify_state(struct intel_dp *intel_dp)  in intel_pps_verify_state()  argument
1155 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_pps_verify_state()
1157 	struct edp_power_seq *sw = &intel_dp->pps.pps_delays;  in intel_pps_verify_state()
1159 	intel_pps_readout_hw_state(intel_dp, &hw);  in intel_pps_verify_state()
1164 		intel_pps_dump_state(intel_dp, "sw", sw);  in intel_pps_verify_state()
1165 		intel_pps_dump_state(intel_dp, "hw", &hw);  in intel_pps_verify_state()
1175 static void pps_init_delays_bios(struct intel_dp *intel_dp,  in pps_init_delays_bios()  argument
1178 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);  in pps_init_delays_bios()
1182 	if (!pps_delays_valid(&intel_dp->pps.bios_pps_delays))  in pps_init_delays_bios()
1183 		intel_pps_readout_hw_state(intel_dp, &intel_dp->pps.bios_pps_delays);  in pps_init_delays_bios()
1185 	*bios = intel_dp->pps.bios_pps_delays;  in pps_init_delays_bios()
1187 	intel_pps_dump_state(intel_dp, "bios", bios);  in pps_init_delays_bios()
1190 static void pps_init_delays_vbt(struct intel_dp *intel_dp,  in pps_init_delays_vbt()  argument
1193 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);  in pps_init_delays_vbt()
1194 	struct intel_connector *connector = intel_dp->attached_connector;  in pps_init_delays_vbt()
1219 	intel_pps_dump_state(intel_dp, "vbt", vbt);  in pps_init_delays_vbt()
1222 static void pps_init_delays_spec(struct intel_dp *intel_dp,  in pps_init_delays_spec()  argument
1225 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);  in pps_init_delays_spec()
1241 	intel_pps_dump_state(intel_dp, "spec", spec);  in pps_init_delays_spec()
1244 static void pps_init_delays(struct intel_dp *intel_dp)  in pps_init_delays()  argument
1246 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);  in pps_init_delays()
1248 		*final = &intel_dp->pps.pps_delays;  in pps_init_delays()
1256 	pps_init_delays_bios(intel_dp, &cur);  in pps_init_delays()
1257 	pps_init_delays_vbt(intel_dp, &vbt);  in pps_init_delays()
1258 	pps_init_delays_spec(intel_dp, &spec);  in pps_init_delays()
1273 	intel_dp->pps.panel_power_up_delay = get_delay(t1_t3);  in pps_init_delays()
1274 	intel_dp->pps.backlight_on_delay = get_delay(t8);  in pps_init_delays()
1275 	intel_dp->pps.backlight_off_delay = get_delay(t9);  in pps_init_delays()
1276 	intel_dp->pps.panel_power_down_delay = get_delay(t10);  in pps_init_delays()
1277 	intel_dp->pps.panel_power_cycle_delay = get_delay(t11_t12);  in pps_init_delays()
1282 		    intel_dp->pps.panel_power_up_delay,  in pps_init_delays()
1283 		    intel_dp->pps.panel_power_down_delay,  in pps_init_delays()
1284 		    intel_dp->pps.panel_power_cycle_delay);  in pps_init_delays()
1287 		    intel_dp->pps.backlight_on_delay,  in pps_init_delays()
1288 		    intel_dp->pps.backlight_off_delay);  in pps_init_delays()
1307 static void pps_init_registers(struct intel_dp *intel_dp, bool force_disable_vdd)  in pps_init_registers()  argument
1309 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);  in pps_init_registers()
1313 	enum port port = dp_to_dig_port(intel_dp)->base.port;  in pps_init_registers()
1314 	const struct edp_power_seq *seq = &intel_dp->pps.pps_delays;  in pps_init_registers()
1318 	intel_pps_get_registers(intel_dp, &regs);  in pps_init_registers()
1333 		u32 pp = ilk_get_pp_control(intel_dp);  in pps_init_registers()
1402 void intel_pps_encoder_reset(struct intel_dp *intel_dp)  in intel_pps_encoder_reset()  argument
1404 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_pps_encoder_reset()
1407 	if (!intel_dp_is_edp(intel_dp))  in intel_pps_encoder_reset()
1410 	with_intel_pps_lock(intel_dp, wakeref) {  in intel_pps_encoder_reset()
1416 			vlv_initial_power_sequencer_setup(intel_dp);  in intel_pps_encoder_reset()
1418 		pps_init_delays(intel_dp);  in intel_pps_encoder_reset()
1419 		pps_init_registers(intel_dp, false);  in intel_pps_encoder_reset()
1420 		pps_vdd_init(intel_dp);  in intel_pps_encoder_reset()
1422 		if (edp_have_panel_vdd(intel_dp))  in intel_pps_encoder_reset()
1423 			edp_panel_vdd_schedule_off(intel_dp);  in intel_pps_encoder_reset()
1427 void intel_pps_init(struct intel_dp *intel_dp)  in intel_pps_init()  argument
1429 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);  in intel_pps_init()
1432 	intel_dp->pps.initializing = true;  in intel_pps_init()
1433 	INIT_DELAYED_WORK(&intel_dp->pps.panel_vdd_work, edp_panel_vdd_work);  in intel_pps_init()
1435 	pps_init_timestamps(intel_dp);  in intel_pps_init()
1437 	with_intel_pps_lock(intel_dp, wakeref) {  in intel_pps_init()
1439 			vlv_initial_power_sequencer_setup(intel_dp);  in intel_pps_init()
1441 		pps_init_delays(intel_dp);  in intel_pps_init()
1442 		pps_init_registers(intel_dp, false);  in intel_pps_init()
1443 		pps_vdd_init(intel_dp);  in intel_pps_init()
1447 void intel_pps_init_late(struct intel_dp *intel_dp)  in intel_pps_init_late()  argument
1451 	with_intel_pps_lock(intel_dp, wakeref) {  in intel_pps_init_late()
1453 		memset(&intel_dp->pps.pps_delays, 0, sizeof(intel_dp->pps.pps_delays));  in intel_pps_init_late()
1454 		pps_init_delays(intel_dp);  in intel_pps_init_late()
1455 		pps_init_registers(intel_dp, false);  in intel_pps_init_late()
1457 		intel_dp->pps.initializing = false;  in intel_pps_init_late()
1459 		if (edp_have_panel_vdd(intel_dp))  in intel_pps_init_late()
1460 			edp_panel_vdd_schedule_off(intel_dp);  in intel_pps_init_late()