[Intel-gfx] [PATCH 0/3] RFC: force throttling/fairness

[Eric Anholt]

On Sat, 29 Oct 2011 09:07:35 +0100, Chris Wilson <chris at chris-wilson.co.uk> wrote:
> On Fri, 28 Oct 2011 22:55:26 -0700, Ben Widawsky <ben at bwidawsk.net> wrote:
> > These patches are pretty raw as I'm hoping to get some comments before
> > working to hard too clean them up. The goal is GPU fairness for clients
> > running on i915.
> 
> The biggest danger I see is that num_outstanding is only decremented
> in retire_requests, which under the right circumstances (a single hog or
> a plurarity) will cause latencies of over 1s. Also this unnecessarily
> penalises benchmarks, i.e. a single active client.

Just using wait_request interface would require less code and not have
that issue.
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