diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index a4c0ff181d07..19591488fd2a 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -5310,6 +5310,13 @@ static void hsw_power_well_post_enable(struct drm_i915_private *dev_priv) } } +static void reset_vblank_counter(struct drm_device *dev, enum pipe pipe) +{ + assert_spin_locked(&dev->vbl_lock); + + dev->vblank[pipe].last = 0; +} + static void hsw_power_well_post_disable(struct drm_i915_private *dev_priv) { struct drm_device *dev = dev_priv->dev; @@ -5326,7 +5333,7 @@ static void hsw_power_well_post_disable(struct drm_i915_private *dev_priv) spin_lock_irqsave(&dev->vbl_lock, irqflags); for_each_pipe(pipe) if (pipe != PIPE_A) - dev->vblank[pipe].last = 0; + reset_vblank_counter(dev, pipe); spin_unlock_irqrestore(&dev->vbl_lock, irqflags); } |