linux-kernel - Re: [Intel-gfx] 5.9-rc1: graphics regression moved from -next to mainline

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Date:   Thu, 20 Aug 2020 11:23:49 +0200
From:   Pavel Machek <pavel@....cz>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Dave Airlie <airlied@...il.com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Chris Wilson <chris@...is-wilson.co.uk>,
        Matthew Auld <matthew.auld@...el.com>,
        intel-gfx <intel-gfx@...ts.freedesktop.org>,
        kernel list <linux-kernel@...r.kernel.org>
Subject: Re: [Intel-gfx] 5.9-rc1: graphics regression moved from -next to
 mainline

Hi!

> > I think there's been some discussion about reverting that change for
> > other reasons, but it's quite likely the culprit.
> 
> Hmm. It reverts cleanly, but the end result doesn't work, because of
> other changes.
> 
> Reverting all of
> 
>    763fedd6a216 ("drm/i915: Remove i915_gem_object_get_dirty_page()")
>    7ac2d2536dfa ("drm/i915/gem: Delete unused code")
>    9e0f9464e2ab ("drm/i915/gem: Async GPU relocations only")
> 
> seems to at least build.
> 
> Pavel, does doing those three reverts make things work for you?

Yes, it seems they make things work. (Chris asked for new patch to be
tested, so I am switching to his kernel, but it survived longer than
it usually does.)

Thanks and best regards,
								Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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