33 static int amdgpu_debugfs_pm_init(struct amdgpu_device *adev);
35 void amdgpu_pm_acpi_event_handler(struct amdgpu_device *adev)  in amdgpu_pm_acpi_event_handler()  argument
37 	if (adev->pm.dpm_enabled) {  in amdgpu_pm_acpi_event_handler()
38 		mutex_lock(&adev->pm.mutex);  in amdgpu_pm_acpi_event_handler()
40 			adev->pm.dpm.ac_power = true;  in amdgpu_pm_acpi_event_handler()
42 			adev->pm.dpm.ac_power = false;  in amdgpu_pm_acpi_event_handler()
43 		if (adev->pm.funcs->enable_bapm)  in amdgpu_pm_acpi_event_handler()
44 			amdgpu_dpm_enable_bapm(adev, adev->pm.dpm.ac_power);  in amdgpu_pm_acpi_event_handler()
45 		mutex_unlock(&adev->pm.mutex);  in amdgpu_pm_acpi_event_handler()
54 	struct amdgpu_device *adev = ddev->dev_private;  in amdgpu_get_dpm_state()  local
55 	enum amdgpu_pm_state_type pm = adev->pm.dpm.user_state;  in amdgpu_get_dpm_state()
68 	struct amdgpu_device *adev = ddev->dev_private;  in amdgpu_set_dpm_state()  local
70 	mutex_lock(&adev->pm.mutex);  in amdgpu_set_dpm_state()
72 		adev->pm.dpm.user_state = POWER_STATE_TYPE_BATTERY;  in amdgpu_set_dpm_state()
74 		adev->pm.dpm.user_state = POWER_STATE_TYPE_BALANCED;  in amdgpu_set_dpm_state()
76 		adev->pm.dpm.user_state = POWER_STATE_TYPE_PERFORMANCE;  in amdgpu_set_dpm_state()
78 		mutex_unlock(&adev->pm.mutex);  in amdgpu_set_dpm_state()
82 	mutex_unlock(&adev->pm.mutex);  in amdgpu_set_dpm_state()
85 	if (!(adev->flags & AMD_IS_PX) ||  in amdgpu_set_dpm_state()
87 		amdgpu_pm_compute_clocks(adev);  in amdgpu_set_dpm_state()
97 	struct amdgpu_device *adev = ddev->dev_private;  in amdgpu_get_dpm_forced_performance_level()  local
98 	enum amdgpu_dpm_forced_level level = adev->pm.dpm.forced_level;  in amdgpu_get_dpm_forced_performance_level()
111 	struct amdgpu_device *adev = ddev->dev_private;  in amdgpu_set_dpm_forced_performance_level()  local
115 	mutex_lock(&adev->pm.mutex);  in amdgpu_set_dpm_forced_performance_level()
126 	if (adev->pm.funcs->force_performance_level) {  in amdgpu_set_dpm_forced_performance_level()
127 		if (adev->pm.dpm.thermal_active) {  in amdgpu_set_dpm_forced_performance_level()
131 		ret = amdgpu_dpm_force_performance_level(adev, level);  in amdgpu_set_dpm_forced_performance_level()
136 	mutex_unlock(&adev->pm.mutex);  in amdgpu_set_dpm_forced_performance_level()
150 	struct amdgpu_device *adev = dev_get_drvdata(dev);  in amdgpu_hwmon_show_temp()  local
153 	if (adev->pm.funcs->get_temperature)  in amdgpu_hwmon_show_temp()
154 		temp = amdgpu_dpm_get_temperature(adev);  in amdgpu_hwmon_show_temp()
165 	struct amdgpu_device *adev = dev_get_drvdata(dev);  in amdgpu_hwmon_show_temp_thresh()  local
170 		temp = adev->pm.dpm.thermal.min_temp;  in amdgpu_hwmon_show_temp_thresh()
172 		temp = adev->pm.dpm.thermal.max_temp;  in amdgpu_hwmon_show_temp_thresh()
181 	struct amdgpu_device *adev = dev_get_drvdata(dev);  in amdgpu_hwmon_get_pwm1_enable()  local
184 	if (adev->pm.funcs->get_fan_control_mode)  in amdgpu_hwmon_get_pwm1_enable()
185 		pwm_mode = amdgpu_dpm_get_fan_control_mode(adev);  in amdgpu_hwmon_get_pwm1_enable()
196 	struct amdgpu_device *adev = dev_get_drvdata(dev);  in amdgpu_hwmon_set_pwm1_enable()  local
200 	if(!adev->pm.funcs->set_fan_control_mode)  in amdgpu_hwmon_set_pwm1_enable()
209 		amdgpu_dpm_set_fan_control_mode(adev, FDO_PWM_MODE_STATIC);  in amdgpu_hwmon_set_pwm1_enable()
212 		amdgpu_dpm_set_fan_control_mode(adev, 0);  in amdgpu_hwmon_set_pwm1_enable()
237 	struct amdgpu_device *adev = dev_get_drvdata(dev);  in amdgpu_hwmon_set_pwm1()  local
247 	err = amdgpu_dpm_set_fan_speed_percent(adev, value);  in amdgpu_hwmon_set_pwm1()
258 	struct amdgpu_device *adev = dev_get_drvdata(dev);  in amdgpu_hwmon_get_pwm1()  local
262 	err = amdgpu_dpm_get_fan_speed_percent(adev, &speed);  in amdgpu_hwmon_get_pwm1()
294 	struct amdgpu_device *adev = dev_get_drvdata(dev);  in hwmon_attributes_visible()  local
298 	if (!adev->pm.dpm_enabled &&  in hwmon_attributes_visible()
308 	if (adev->pm.no_fan &&  in hwmon_attributes_visible()
316 	if ((!adev->pm.funcs->get_fan_speed_percent &&  in hwmon_attributes_visible()
318 	    (!adev->pm.funcs->get_fan_control_mode &&  in hwmon_attributes_visible()
322 	if ((!adev->pm.funcs->set_fan_speed_percent &&  in hwmon_attributes_visible()
324 	    (!adev->pm.funcs->set_fan_control_mode &&  in hwmon_attributes_visible()
329 	if ((!adev->pm.funcs->set_fan_speed_percent &&  in hwmon_attributes_visible()
330 	     !adev->pm.funcs->get_fan_speed_percent) &&  in hwmon_attributes_visible()
350 	struct amdgpu_device *adev =  in amdgpu_dpm_thermal_work_handler()  local
356 	if (!adev->pm.dpm_enabled)  in amdgpu_dpm_thermal_work_handler()
359 	if (adev->pm.funcs->get_temperature) {  in amdgpu_dpm_thermal_work_handler()
360 		int temp = amdgpu_dpm_get_temperature(adev);  in amdgpu_dpm_thermal_work_handler()
362 		if (temp < adev->pm.dpm.thermal.min_temp)  in amdgpu_dpm_thermal_work_handler()
364 			dpm_state = adev->pm.dpm.user_state;  in amdgpu_dpm_thermal_work_handler()
366 		if (adev->pm.dpm.thermal.high_to_low)  in amdgpu_dpm_thermal_work_handler()
368 			dpm_state = adev->pm.dpm.user_state;  in amdgpu_dpm_thermal_work_handler()
370 	mutex_lock(&adev->pm.mutex);  in amdgpu_dpm_thermal_work_handler()
372 		adev->pm.dpm.thermal_active = true;  in amdgpu_dpm_thermal_work_handler()
374 		adev->pm.dpm.thermal_active = false;  in amdgpu_dpm_thermal_work_handler()
375 	adev->pm.dpm.state = dpm_state;  in amdgpu_dpm_thermal_work_handler()
376 	mutex_unlock(&adev->pm.mutex);  in amdgpu_dpm_thermal_work_handler()
378 	amdgpu_pm_compute_clocks(adev);  in amdgpu_dpm_thermal_work_handler()
381 static struct amdgpu_ps *amdgpu_dpm_pick_power_state(struct amdgpu_device *adev,  in amdgpu_dpm_pick_power_state()  argument
387 	bool single_display = (adev->pm.dpm.new_active_crtc_count < 2) ?  in amdgpu_dpm_pick_power_state()
391 	if (single_display && adev->pm.funcs->vblank_too_short) {  in amdgpu_dpm_pick_power_state()
392 		if (amdgpu_dpm_vblank_too_short(adev))  in amdgpu_dpm_pick_power_state()
407 	for (i = 0; i < adev->pm.dpm.num_ps; i++) {  in amdgpu_dpm_pick_power_state()
408 		ps = &adev->pm.dpm.ps[i];  in amdgpu_dpm_pick_power_state()
441 			if (adev->pm.dpm.uvd_ps)  in amdgpu_dpm_pick_power_state()
442 				return adev->pm.dpm.uvd_ps;  in amdgpu_dpm_pick_power_state()
462 			return adev->pm.dpm.boot_ps;  in amdgpu_dpm_pick_power_state()
491 		if (adev->pm.dpm.uvd_ps) {  in amdgpu_dpm_pick_power_state()
492 			return adev->pm.dpm.uvd_ps;  in amdgpu_dpm_pick_power_state()
515 static void amdgpu_dpm_change_power_state_locked(struct amdgpu_device *adev)  in amdgpu_dpm_change_power_state_locked()  argument
523 	if (!adev->pm.dpm_enabled)  in amdgpu_dpm_change_power_state_locked()
526 	if (adev->pm.dpm.user_state != adev->pm.dpm.state) {  in amdgpu_dpm_change_power_state_locked()
528 		if ((!adev->pm.dpm.thermal_active) &&  in amdgpu_dpm_change_power_state_locked()
529 		    (!adev->pm.dpm.uvd_active))  in amdgpu_dpm_change_power_state_locked()
530 			adev->pm.dpm.state = adev->pm.dpm.user_state;  in amdgpu_dpm_change_power_state_locked()
532 	dpm_state = adev->pm.dpm.state;  in amdgpu_dpm_change_power_state_locked()
534 	ps = amdgpu_dpm_pick_power_state(adev, dpm_state);  in amdgpu_dpm_change_power_state_locked()
536 		adev->pm.dpm.requested_ps = ps;  in amdgpu_dpm_change_power_state_locked()
541 	if (adev->pm.dpm.current_ps == adev->pm.dpm.requested_ps) {  in amdgpu_dpm_change_power_state_locked()
543 		if (ps->vce_active != adev->pm.dpm.vce_active)  in amdgpu_dpm_change_power_state_locked()
545 		if (adev->flags & AMD_IS_APU) {  in amdgpu_dpm_change_power_state_locked()
549 			if (adev->pm.dpm.new_active_crtcs != adev->pm.dpm.current_active_crtcs) {  in amdgpu_dpm_change_power_state_locked()
551 				amdgpu_display_bandwidth_update(adev);  in amdgpu_dpm_change_power_state_locked()
553 				amdgpu_dpm_display_configuration_changed(adev);  in amdgpu_dpm_change_power_state_locked()
554 				adev->pm.dpm.current_active_crtcs = adev->pm.dpm.new_active_crtcs;  in amdgpu_dpm_change_power_state_locked()
555 				adev->pm.dpm.current_active_crtc_count = adev->pm.dpm.new_active_crtc_count;  in amdgpu_dpm_change_power_state_locked()
563 			if (adev->pm.dpm.new_active_crtcs ==  in amdgpu_dpm_change_power_state_locked()
564 			    adev->pm.dpm.current_active_crtcs) {  in amdgpu_dpm_change_power_state_locked()
566 			} else if ((adev->pm.dpm.current_active_crtc_count > 1) &&  in amdgpu_dpm_change_power_state_locked()
567 				   (adev->pm.dpm.new_active_crtc_count > 1)) {  in amdgpu_dpm_change_power_state_locked()
569 				amdgpu_display_bandwidth_update(adev);  in amdgpu_dpm_change_power_state_locked()
571 				amdgpu_dpm_display_configuration_changed(adev);  in amdgpu_dpm_change_power_state_locked()
572 				adev->pm.dpm.current_active_crtcs = adev->pm.dpm.new_active_crtcs;  in amdgpu_dpm_change_power_state_locked()
573 				adev->pm.dpm.current_active_crtc_count = adev->pm.dpm.new_active_crtc_count;  in amdgpu_dpm_change_power_state_locked()
582 		amdgpu_dpm_print_power_state(adev, adev->pm.dpm.current_ps);  in amdgpu_dpm_change_power_state_locked()
584 		amdgpu_dpm_print_power_state(adev, adev->pm.dpm.requested_ps);  in amdgpu_dpm_change_power_state_locked()
587 	mutex_lock(&adev->ring_lock);  in amdgpu_dpm_change_power_state_locked()
590 	ps->vce_active = adev->pm.dpm.vce_active;  in amdgpu_dpm_change_power_state_locked()
592 	ret = amdgpu_dpm_pre_set_power_state(adev);  in amdgpu_dpm_change_power_state_locked()
597 	amdgpu_display_bandwidth_update(adev);  in amdgpu_dpm_change_power_state_locked()
601 		struct amdgpu_ring *ring = adev->rings[i];  in amdgpu_dpm_change_power_state_locked()
607 	amdgpu_dpm_set_power_state(adev);  in amdgpu_dpm_change_power_state_locked()
610 	adev->pm.dpm.current_ps = adev->pm.dpm.requested_ps;  in amdgpu_dpm_change_power_state_locked()
612 	amdgpu_dpm_post_set_power_state(adev);  in amdgpu_dpm_change_power_state_locked()
615 	amdgpu_dpm_display_configuration_changed(adev);  in amdgpu_dpm_change_power_state_locked()
617 	adev->pm.dpm.current_active_crtcs = adev->pm.dpm.new_active_crtcs;  in amdgpu_dpm_change_power_state_locked()
618 	adev->pm.dpm.current_active_crtc_count = adev->pm.dpm.new_active_crtc_count;  in amdgpu_dpm_change_power_state_locked()
620 	if (adev->pm.funcs->force_performance_level) {  in amdgpu_dpm_change_power_state_locked()
621 		if (adev->pm.dpm.thermal_active) {  in amdgpu_dpm_change_power_state_locked()
622 			enum amdgpu_dpm_forced_level level = adev->pm.dpm.forced_level;  in amdgpu_dpm_change_power_state_locked()
624 			amdgpu_dpm_force_performance_level(adev, AMDGPU_DPM_FORCED_LEVEL_LOW);  in amdgpu_dpm_change_power_state_locked()
626 			adev->pm.dpm.forced_level = level;  in amdgpu_dpm_change_power_state_locked()
629 			amdgpu_dpm_force_performance_level(adev, adev->pm.dpm.forced_level);  in amdgpu_dpm_change_power_state_locked()
634 	mutex_unlock(&adev->ring_lock);  in amdgpu_dpm_change_power_state_locked()
637 void amdgpu_dpm_enable_uvd(struct amdgpu_device *adev, bool enable)  in amdgpu_dpm_enable_uvd()  argument
639 	if (adev->pm.funcs->powergate_uvd) {  in amdgpu_dpm_enable_uvd()
640 		mutex_lock(&adev->pm.mutex);  in amdgpu_dpm_enable_uvd()
642 		amdgpu_dpm_powergate_uvd(adev, !enable);  in amdgpu_dpm_enable_uvd()
643 		mutex_unlock(&adev->pm.mutex);  in amdgpu_dpm_enable_uvd()
646 			mutex_lock(&adev->pm.mutex);  in amdgpu_dpm_enable_uvd()
647 			adev->pm.dpm.uvd_active = true;  in amdgpu_dpm_enable_uvd()
648 			adev->pm.dpm.state = POWER_STATE_TYPE_INTERNAL_UVD;  in amdgpu_dpm_enable_uvd()
649 			mutex_unlock(&adev->pm.mutex);  in amdgpu_dpm_enable_uvd()
651 			mutex_lock(&adev->pm.mutex);  in amdgpu_dpm_enable_uvd()
652 			adev->pm.dpm.uvd_active = false;  in amdgpu_dpm_enable_uvd()
653 			mutex_unlock(&adev->pm.mutex);  in amdgpu_dpm_enable_uvd()
656 		amdgpu_pm_compute_clocks(adev);  in amdgpu_dpm_enable_uvd()
660 void amdgpu_dpm_enable_vce(struct amdgpu_device *adev, bool enable)  in amdgpu_dpm_enable_vce()  argument
662 	if (adev->pm.funcs->powergate_vce) {  in amdgpu_dpm_enable_vce()
663 		mutex_lock(&adev->pm.mutex);  in amdgpu_dpm_enable_vce()
665 		amdgpu_dpm_powergate_vce(adev, !enable);  in amdgpu_dpm_enable_vce()
667 		mutex_unlock(&adev->pm.mutex);  in amdgpu_dpm_enable_vce()
670 			mutex_lock(&adev->pm.mutex);  in amdgpu_dpm_enable_vce()
671 			adev->pm.dpm.vce_active = true;  in amdgpu_dpm_enable_vce()
673 			adev->pm.dpm.vce_level = AMDGPU_VCE_LEVEL_AC_ALL;  in amdgpu_dpm_enable_vce()
674 			mutex_unlock(&adev->pm.mutex);  in amdgpu_dpm_enable_vce()
676 			mutex_lock(&adev->pm.mutex);  in amdgpu_dpm_enable_vce()
677 			adev->pm.dpm.vce_active = false;  in amdgpu_dpm_enable_vce()
678 			mutex_unlock(&adev->pm.mutex);  in amdgpu_dpm_enable_vce()
681 		amdgpu_pm_compute_clocks(adev);  in amdgpu_dpm_enable_vce()
685 void amdgpu_pm_print_power_states(struct amdgpu_device *adev)  in amdgpu_pm_print_power_states()  argument
689 	for (i = 0; i < adev->pm.dpm.num_ps; i++) {  in amdgpu_pm_print_power_states()
691 		amdgpu_dpm_print_power_state(adev, &adev->pm.dpm.ps[i]);  in amdgpu_pm_print_power_states()
695 int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)  in amdgpu_pm_sysfs_init()  argument
699 	if (adev->pm.sysfs_initialized)  in amdgpu_pm_sysfs_init()
702 	if (adev->pm.funcs->get_temperature == NULL)  in amdgpu_pm_sysfs_init()
704 	adev->pm.int_hwmon_dev = hwmon_device_register_with_groups(adev->dev,  in amdgpu_pm_sysfs_init()
705 								   DRIVER_NAME, adev,  in amdgpu_pm_sysfs_init()
707 	if (IS_ERR(adev->pm.int_hwmon_dev)) {  in amdgpu_pm_sysfs_init()
708 		ret = PTR_ERR(adev->pm.int_hwmon_dev);  in amdgpu_pm_sysfs_init()
709 		dev_err(adev->dev,  in amdgpu_pm_sysfs_init()
714 	ret = device_create_file(adev->dev, &dev_attr_power_dpm_state);  in amdgpu_pm_sysfs_init()
719 	ret = device_create_file(adev->dev, &dev_attr_power_dpm_force_performance_level);  in amdgpu_pm_sysfs_init()
724 	ret = amdgpu_debugfs_pm_init(adev);  in amdgpu_pm_sysfs_init()
730 	adev->pm.sysfs_initialized = true;  in amdgpu_pm_sysfs_init()
735 void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev)  in amdgpu_pm_sysfs_fini()  argument
737 	if (adev->pm.int_hwmon_dev)  in amdgpu_pm_sysfs_fini()
738 		hwmon_device_unregister(adev->pm.int_hwmon_dev);  in amdgpu_pm_sysfs_fini()
739 	device_remove_file(adev->dev, &dev_attr_power_dpm_state);  in amdgpu_pm_sysfs_fini()
740 	device_remove_file(adev->dev, &dev_attr_power_dpm_force_performance_level);  in amdgpu_pm_sysfs_fini()
743 void amdgpu_pm_compute_clocks(struct amdgpu_device *adev)  in amdgpu_pm_compute_clocks()  argument
745 	struct drm_device *ddev = adev->ddev;  in amdgpu_pm_compute_clocks()
749 	if (!adev->pm.dpm_enabled)  in amdgpu_pm_compute_clocks()
752 	mutex_lock(&adev->pm.mutex);  in amdgpu_pm_compute_clocks()
755 	adev->pm.dpm.new_active_crtcs = 0;  in amdgpu_pm_compute_clocks()
756 	adev->pm.dpm.new_active_crtc_count = 0;  in amdgpu_pm_compute_clocks()
757 	if (adev->mode_info.num_crtc && adev->mode_info.mode_config_initialized) {  in amdgpu_pm_compute_clocks()
762 				adev->pm.dpm.new_active_crtcs |= (1 << amdgpu_crtc->crtc_id);  in amdgpu_pm_compute_clocks()
763 				adev->pm.dpm.new_active_crtc_count++;  in amdgpu_pm_compute_clocks()
770 		adev->pm.dpm.ac_power = true;  in amdgpu_pm_compute_clocks()
772 		adev->pm.dpm.ac_power = false;  in amdgpu_pm_compute_clocks()
774 	amdgpu_dpm_change_power_state_locked(adev);  in amdgpu_pm_compute_clocks()
776 	mutex_unlock(&adev->pm.mutex);  in amdgpu_pm_compute_clocks()
789 	struct amdgpu_device *adev = dev->dev_private;  in amdgpu_debugfs_pm_info()  local
791 	if (adev->pm.dpm_enabled) {  in amdgpu_debugfs_pm_info()
792 		mutex_lock(&adev->pm.mutex);  in amdgpu_debugfs_pm_info()
793 		if (adev->pm.funcs->debugfs_print_current_performance_level)  in amdgpu_debugfs_pm_info()
794 			amdgpu_dpm_debugfs_print_current_performance_level(adev, m);  in amdgpu_debugfs_pm_info()
797 		mutex_unlock(&adev->pm.mutex);  in amdgpu_debugfs_pm_info()
808 static int amdgpu_debugfs_pm_init(struct amdgpu_device *adev)  in amdgpu_debugfs_pm_init()  argument
811 	return amdgpu_debugfs_add_files(adev, amdgpu_pm_info_list, ARRAY_SIZE(amdgpu_pm_info_list));  in amdgpu_debugfs_pm_init()