Re: [PATCH] drm/i915: Park before resetting the submission backend

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Quoting Sagar Arun Kamble (2018-04-09 11:38:34)
> 
> 
> On 4/9/2018 3:48 PM, Chris Wilson wrote:
> > As different backends may have different park/unpark callbacks, we
> > should only ever switch backends (reset_default_submission on wedge
> > recovery, or on enabling the guc) while parked.
> >
> > v2: Remove the assert from the guc code, as we are currently trying to
> > modify the engine vfuncs pointer on a live system after reset (not just
> > wedging). We will just have to hope that the system is balanced.
> > v3: Rebase onto __i915_gem_park and improve grammar.
> >
> > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> > Cc: Michal Wajdeczko <michal.wajdeczko@xxxxxxxxx>
> > Cc: Sagar Arun Kamble <sagar.a.kamble@xxxxxxxxx>
> > Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
> > Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
> Reviewed-by: Sagar Arun Kamble <sagar.a.kamble@xxxxxxxxx>

Michal, do you want to take this and merge it into your series?
-Chris
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