From: Imre Deak Date: Tue, 4 Mar 2014 17:23:03 +0000 (+0200) Subject: drm/i915: factor out reset_vblank_counter X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=dd7c0b66e5414c54a9af8f100cc904240bab5102;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git drm/i915: factor out reset_vblank_counter We need to do the same for other platforms in upcoming patches. v2: - s/p/pipe (Ville) - Call the new helper with the vbl_lock already held. The part it protects is short, so releasing it between pipes only makes proving correctness more difficult. Signed-off-by: Imre Deak Reviewed-by: Jesse Barnes [danvet: Resolve conflict with Damien's s/p/pipe/ change.] Signed-off-by: Daniel Vetter --- 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); }