On Fri, Jul 11, 2014 at 10:15:36AM -0700, armin.c.reese@xxxxxxxxx wrote:
> From: Armin Reese <armin.c.reese@xxxxxxxxx>
>
> Signed-off-by: Armin Reese <armin.c.reese@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/i915_gem_gtt.c | 13 ++++++-------
> 1 file changed, 6 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
> index afd4eef..7e2190e 100644
> --- a/drivers/gpu/drm/i915/i915_gem_gtt.c
> +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
> @@ -1624,18 +1624,17 @@ static void ggtt_unbind_vma(struct i915_vma *vma)
>
> void i915_gem_gtt_finish_object(struct drm_i915_gem_object *obj)
> {
> - struct drm_device *dev = obj->base.dev;
> - struct drm_i915_private *dev_priv = dev->dev_private;
> - bool interruptible;
> -
> - interruptible = do_idling(dev_priv);
> + if (!obj->has_dma_mapping) {
> + struct drm_device *dev = obj->base.dev;
> + struct drm_i915_private *dev_priv = dev->dev_private;
> + bool interruptible = do_idling(dev_priv);
>
> - if (!obj->has_dma_mapping)
> dma_unmap_sg(&dev->pdev->dev,
> obj->pages->sgl, obj->pages->nents,
> PCI_DMA_BIDIRECTIONAL);
>
> - undo_idling(dev_priv, interruptible);
> + undo_idling(dev_priv, interruptible);
> + }
Are you really beating the compiler here?
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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