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-rw-r--r--drivers/gpu/drm/i915/i915_irq.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 996c2931c499..d0d3dfbe6d2a 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -3725,8 +3725,6 @@ static bool i8xx_handle_vblank(struct drm_device *dev,
if ((iir & flip_pending) == 0)
goto check_page_flip;
- intel_prepare_page_flip(dev, plane);
-
/* We detect FlipDone by looking for the change in PendingFlip from '1'
* to '0' on the following vblank, i.e. IIR has the Pendingflip
* asserted following the MI_DISPLAY_FLIP, but ISR is deasserted, hence
@@ -3736,6 +3734,7 @@ static bool i8xx_handle_vblank(struct drm_device *dev,
if (I915_READ16(ISR) & flip_pending)
goto check_page_flip;
+ intel_prepare_page_flip(dev, plane);
intel_finish_page_flip(dev, pipe);
return true;
@@ -3907,8 +3906,6 @@ static bool i915_handle_vblank(struct drm_device *dev,
if ((iir & flip_pending) == 0)
goto check_page_flip;
- intel_prepare_page_flip(dev, plane);
-
/* We detect FlipDone by looking for the change in PendingFlip from '1'
* to '0' on the following vblank, i.e. IIR has the Pendingflip
* asserted following the MI_DISPLAY_FLIP, but ISR is deasserted, hence
@@ -3918,6 +3915,7 @@ static bool i915_handle_vblank(struct drm_device *dev,
if (I915_READ(ISR) & flip_pending)
goto check_page_flip;
+ intel_prepare_page_flip(dev, plane);
intel_finish_page_flip(dev, pipe);
return true;