diff options
Diffstat (limited to 'drivers/gpu/arm/midgard/mali_kbase_pm_metrics.c')
| -rwxr-xr-x | drivers/gpu/arm/midgard/mali_kbase_pm_metrics.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/gpu/arm/midgard/mali_kbase_pm_metrics.c b/drivers/gpu/arm/midgard/mali_kbase_pm_metrics.c index 50450ed6dc3..e2d404a661e 100755 --- a/drivers/gpu/arm/midgard/mali_kbase_pm_metrics.c +++ b/drivers/gpu/arm/midgard/mali_kbase_pm_metrics.c @@ -104,6 +104,46 @@ void kbasep_pm_metrics_term(kbase_device *kbdev) KBASE_EXPORT_TEST_API(kbasep_pm_metrics_term) +void kbasep_pm_metrics_suspend(kbase_device *kbdev) +{ + unsigned long flags; + KBASE_DEBUG_ASSERT(kbdev != NULL); + + spin_lock_irqsave(&kbdev->pm.metrics.lock, flags); + kbdev->pm.metrics.timer_active = MALI_FALSE; + spin_unlock_irqrestore(&kbdev->pm.metrics.lock, flags); + + hrtimer_cancel(&kbdev->pm.metrics.timer); + + kbase_pm_unregister_vsync_callback(kbdev); +} + +KBASE_EXPORT_TEST_API(kbasep_pm_metrics_suspend) + +void kbasep_pm_metrics_resume(kbase_device *kbdev) +{ + unsigned long flags; + KBASE_DEBUG_ASSERT(kbdev != NULL); + + /* reset pm.metrics */ + spin_lock_irqsave(&kbdev->pm.metrics.lock, flags); + kbdev->pm.metrics.vsync_hit = 0; + kbdev->pm.metrics.utilisation = 0; + kbdev->pm.metrics.time_period_start = ktime_get(); + kbdev->pm.metrics.time_busy = 0; + kbdev->pm.metrics.time_idle = 0; + /* Unlike at init, gpu is initially idle at resume */ + kbdev->pm.metrics.gpu_active = MALI_FALSE; + kbdev->pm.metrics.timer_active = MALI_TRUE; + spin_unlock_irqrestore(&kbdev->pm.metrics.lock, flags); + + hrtimer_start(&kbdev->pm.metrics.timer, HR_TIMER_DELAY_MSEC(kbdev->pm.platform_dvfs_frequency), HRTIMER_MODE_REL); + + kbase_pm_register_vsync_callback(kbdev); +} + +KBASE_EXPORT_TEST_API(kbasep_pm_metrics_resume) + void kbasep_pm_record_gpu_idle(kbase_device *kbdev) { unsigned long flags; |