[Intel-gfx] [PATCH 1/3] drm/i915: Avoid the branch in computing intel_ring_space()

Chris Wilson chris at chris-wilson.co.uk
Wed May 3 12:08:49 UTC 2017


On Wed, May 03, 2017 at 01:02:40PM +0100, Chris Wilson wrote:
> On Wed, May 03, 2017 at 02:53:43PM +0300, Mika Kuoppala wrote:
> > >  void intel_ring_update_space(struct intel_ring *ring)
> > > @@ -1669,12 +1673,9 @@ static int wait_for_space(struct drm_i915_gem_request *req, int bytes)
> > 
> > Bytes should be converted also to unsigned at some point.
> 
> Might as well do it now, indeed.

Actually I'll do it in patch 3 as there are nearby similar changes.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre


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