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

[Tvrtko Ursulin]

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.

Regards,

Tvrtko