[Intel-gfx] [PATCH v2] drm/i915/gt: Update request status flags for debug pretty-printer

[Chris Wilson]

Quoting Tvrtko Ursulin (2020-11-19 13:18:10)
> 
> On 19/11/2020 12:24, Chris Wilson wrote:
> > We plan to expand upon the number of available statuses for when we
> > pretty-print the requests along the timelines, and so need a new set of
> > flags. We have settled upon:
> > 
> >       Unready [U]
> >         - initial status after being submitted, the request is not
> >           ready for execution as it is waiting for external fences
> > 
> >       Ready [R]
> >         - all fences the request was waiting on have been signaled,
> >              and the request is now ready for execution and will be
> >           in a backend queue
> > 
> >         - a ready request may still need to wait on semaphores
> >           [internal fences]
> > 
> >       Ready/virtual [V]
> >         - same as ready, but queued over multiple backends
> > 
> 
> You do not like my idea of R/Rv? I think it would be more intuitive, but 
> anyway patch looks good.

Started with Rv, but then thought restricting it to a single character
and constant width was more important for the vertical alignment. That
may not be that much of an issue in practice. ~o~
-Chris