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From:   Linus Torvalds <torvalds@linux-foundation.org>
Date:   Tue, 18 Aug 2020 18:59:27 -0700
Message-ID: <CAHk-=wg34bw1ude07nC_XCPOJHZ21-v6117p4574d5S7iP4gxw@mail.gmail.com>
Subject: Re: [Intel-gfx] 5.9-rc1: graphics regression moved from -next to mainline
To:     Dave Airlie <airlied@gmail.com>
Cc:     Jani Nikula <jani.nikula@linux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@intel.com>,
        Daniel Vetter <daniel.vetter@ffwll.ch>,
        Pavel Machek <pavel@ucw.cz>,
        Chris Wilson <chris@chris-wilson.co.uk>,
        Matthew Auld <matthew.auld@intel.com>,
        intel-gfx <intel-gfx@lists.freedesktop.org>,
        kernel list <linux-kernel@vger.kernel.org>
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On Tue, Aug 18, 2020 at 6:13 PM Dave Airlie <airlied@gmail.com> wrote:
>
> 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?

               Linus