[PATCH] drm/i915: Before pageflip, also wait for shared dmabuf fences.

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On 29/10/16 10:58 PM, Mike Lothian wrote:
> I turned on vsync and everything works great in tomb raider
> 
> :D
> 
> Thanks again to everyone who made this possible
> 
> On Fri, 28 Oct 2016 at 19:37 Mike Lothian <mike at fireburn.co.uk
> <mailto:mike at fireburn.co.uk>> wrote:
> 
>     Hi Mario
> 
>     That fixes the tearing, it's been replaced with a strange stutter,
>     like it's only showing half the number of frames being reported -
>     it's really noticeable in tomb raider

I wonder if the stutter might be due to the dGPU writing another frame
before the iGPU is done processing the previous one. Christian, does the
amdgpu scheduler wait for shared fences of shared BOs to signal before
submitting jobs using them to the GPU?


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer


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