[Intel-gfx] [PATCH 1/2] drm/i915/execlists: Peek at the next submission for error interrupts

[Chris Wilson]

Quoting Mika Kuoppala (2020-04-02 21:16:52)
> Chris Wilson <chris at chris-wilson.co.uk> writes:
> 
> > If we receive the error interrupt before the CS interrupt, we may find
> > ourselves without an active request to reset, skipping the GPU reset.
> > All because the attempt to reset was too early.
> >
> 
> With the tracing, we will see the the out of sync situations
> so
> 
> Reviewed-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>

I think that's the main benefit and it makes sense to have this patch
by itself so that we can get a bit more info perhaps next time. Then if
it keeps on failing, that might justify trying the second patch.
-Chris