[PATCH 15/57] drm/i915: Introduce the scheduling mode

Chris Wilson chris at chris-wilson.co.uk
Mon Feb 8 11:36:22 UTC 2021


Quoting Tvrtko Ursulin (2021-02-08 11:21:12)
> 
> On 05/02/2021 17:04, Chris Wilson wrote:
> > Quoting Tvrtko Ursulin (2021-02-05 16:47:37)
> >>
> >> On 05/02/2021 01:18, Chris Wilson wrote:
> >> I am definitely not sure about deadline flag later in the series. I mean
> >> as exposed to userspace at any level more serious than debugfs.
> > 
> > I called the cap FAIR to try not to say anything about the implementation
> > but the intention. This was just a nice to know (i.e. something we
> > advertise to big tenant customers for them to quickly check if all is ok),
> > I don't have a plan on how to use it, apart from including it in bug
> > reports just in case. Other than I foresee the guc seeing that flag as an
> > excuse to skip gem_exec_fair :(
> 
> Can we then have a final flag called re-order? So no fair or deadline, 
> just re-order with actual flavour of re-ordering to be implementation 
> dependent and only exposed semantics being "it's not fifo".

That's scheduler enabled, the first bit.
-Chris


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