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drm/i915: wait one vblank when disabling CRCs

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This avoids a spurious spurious interrupt warning.

Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2013-10-16 22:55:50 +02:00
parent 8bc5e955f4
commit bcf17ab2e9
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/i915/i915_debugfs.c
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@ -2040,6 +2040,8 @@ static int pipe_crc_set_source(struct drm_device *dev, enum pipe pipe,
DRM_DEBUG_DRIVER("stopping CRCs for pipe %c\n",
pipe_name(pipe));
intel_wait_for_vblank(dev, pipe);
kfree(pipe_crc->entries);
pipe_crc->entries = NULL;
}