Re: [PATCH v2 0/2] drm/i915: timeline semaphore support

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Quoting Lionel Landwerlin (2019-06-27 09:03:37)
> Hi,
> 
> This revision gets rid of the synchronous wait. We now implement the
> synchronous wait as part of the userspace driver. A thread is spawned
> for each engine and waits for availability of the syncobjs before
> calling into execbuffer.

Why would you do that? It's not like the kernel already has the ability
to serialises execution asynchronously...
-Chris
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