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

[Chris Wilson]

Quoting Tvrtko Ursulin (2021-02-08 11:39:30)
> 
> On 08/02/2021 11:36, Chris Wilson wrote:
> > 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.
> 
> Okay, that also works I think. I am not convinced we should expose fair 
> or deadline to userspace.

Ok.
-Chris