[Mesa-dev] [RFC] Linux Graphics Next: Explicit fences everywhere and no BO fences - initial proposal
maraeo at gmail.com
Tue Apr 27 19:23:03 UTC 2021
Supporting interop with any device is always possible. It depends on which
drivers we need to interoperate with and update them. We've already found
the path forward for amdgpu. We just need to find out how many other
drivers need to be updated and evaluate the cost/benefit aspect.
On Tue, Apr 27, 2021 at 2:38 PM Dave Airlie <airlied at gmail.com> wrote:
> On Tue, 27 Apr 2021 at 22:06, Christian König
> <ckoenig.leichtzumerken at gmail.com> wrote:
> > Correct, we wouldn't have synchronization between device with and
> without user queues any more.
> > That could only be a problem for A+I Laptops.
> Since I think you mentioned you'd only be enabling this on newer
> chipsets, won't it be a problem for A+A where one A is a generation
> behind the other?
> I'm not really liking where this is going btw, seems like a ill
> thought out concept, if AMD is really going down the road of designing
> hw that is currently Linux incompatible, you are going to have to
> accept a big part of the burden in bringing this support in to more
> than just amd drivers for upcoming generations of gpu.
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