Re: [PATCH 5/6] drm/i915/gt: Serialize GRDOM access between multiple engine resets

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On Tue, 28 Jun 2022 16:49:23 +0100
Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxxxxxxxx> wrote:

>.. which for me means a different patch 1, followed by patch 6 (moved 
> to be patch 2) would be ideal stable material.
> 
> Then we have the current patch 2 which is open/unknown (to me at least).
> 
> And the rest seem like optimisations which shouldn't be tagged as fixes.
> 
> Apart from patch 5 which should be cc: stable, but no fixes as agreed.
> 
> Could you please double check if what I am suggesting here is feasible 
> to implement and if it is just send those minimal patches out alone?

Tested and porting just those 3 patches are enough to fix the Broadwell
bug.

So, I submitted a v2 of this series with just those. They all need to
be backported to stable.

I still think that other TLB patches are needed/desired upstream, but
I'll submit them on a separate series. Let's fix the regression first ;-)

Regards,
Mauro



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