Re: [PATCH] drm/i915/mtl: Remove the 'force_probe' requirement for Meteor Lake

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Hi Tvrtko,

> > Meteor Lake has demonstrated consistent stability for some time.
> > All user-space API modifications tide to its core platform
> > functions are operational.
> > 
> > The necessary firmware components are set up and comprehensive
> > testing has been condused over a period.
> > 
> > Given the recent faborable CI results, as well, we believe it's
> > time to eliminate the 'force_probe' prerequisite and activate the
> > platform by default.
> > 
> > Signed-off-by: Aditya Chauhan <aditya.chauhan@xxxxxxxxx>
> > Signed-off-by: Andrzej Hajda <andrzej.hajda@xxxxxxxxx>
> > Signed-off-by: Chris Wilson <chris.p.wilson@xxxxxxxxxxxxxxx>
> > Signed-off-by: Janusz Krzysztofik <janusz.krzysztofik@xxxxxxxxxxxxxxx>
> > Signed-off-by: Jonathan Cavitt <jonathan.cavitt@xxxxxxxxx>
> > Signed-off-by: Nirmoy Das <nirmoy.das@xxxxxxxxx>
> > Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@xxxxxxxxx>
> > Signed-off-by: Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx>
> > Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
> > Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> > Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> > Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
> > ---
> > Hello,
> > 
> > This patch eliminates the 'force probe' for the MTL platforms. Over the recent
> > weeks, MTL has demonstrated stability, consistently passing BAT tests with
> > success rates ranging from 98% to 100%.
> > 
> > There's a single issue hindering us from achieving a 100% BAT test coverage.
> > Fortunately, we've identified the issue, and the proposed solution can be found
> > here[*]. The CI results are encouraging.
> > 
> > Once all reviews are addressed, we plan to submit this series with the "Fixes:"
> > tag.
> > 
> > Thank you and best regards,
> > Andi and Radhakrishna
> > 
> > [*] https://patchwork.freedesktop.org/series/124744/
> 
> Have there been any more recent developments, given
> https://patchwork.freedesktop.org/series/124866/, or proposal is still to
> remove force probe?

I think that patch is functional to the force_probe removal
because it would have been the fix we needed in order to have a
full 100% green CI results.

But unfortunately, the patch doesn't fix it. I think the GuC TLB
invalidation is still the best fix.

Andi



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