diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index d1e53abec1b5..685b4910eb93 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4675,6 +4675,26 @@ void intel_cleanup_gt_powersave(struct drm_device *dev) valleyview_cleanup_gt_powersave(dev); } +/** + * intel_suspend_gt_powersave - suspend PM work and helper threads + * @dev: drm device + * + * We don't want to disable RC6 or other features here, we just want + * to make sure any work we've queued has finished and won't bother + * us while we're suspended. + */ +void intel_suspend_gt_powersave(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + + /* Interrupts should be disabled already to avoid re-arming. */ + WARN_ON(dev->irq_enabled); + + flush_delayed_work(&dev_priv->rps.delayed_resume_work); + + cancel_work_sync(&dev_priv->rps.work); +} + void intel_disable_gt_powersave(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; |