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From:   Linus Torvalds <torvalds@linux-foundation.org>
Date:   Mon, 10 Jan 2022 17:21:09 -0800
Message-ID: <CAHk-=wiCCRG9Lwzr+Cur=K1V2GJ9ab_ket7EnG4RZhJ8jJM7xQ@mail.gmail.com>
Subject: Re: [git pull] drm for 5.17-rc1 (pre-merge window pull)
To:     Alex Deucher <alexdeucher@gmail.com>
Cc:     Daniel Vetter <daniel.vetter@ffwll.ch>,
        "Wentland, Harry" <harry.wentland@amd.com>,
        Dave Airlie <airlied@gmail.com>,
        "Koenig, Christian" <christian.koenig@amd.com>,
        dri-devel <dri-devel@lists.freedesktop.org>,
        LKML <linux-kernel@vger.kernel.org>,
        amd-gfx list <amd-gfx@lists.freedesktop.org>
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On Mon, Jan 10, 2022 at 5:11 PM Alex Deucher <alexdeucher@gmail.com> wrote:
>
> We are putting together a system to try and repro the issue.  Does it
> happen with a single monitor or only with two?

Nope. With a single monitor everything seems to look fine. And when I
plug in the second monitor, it immediately starts happening again.

It also seems to depend a bit on the screen contents - or possibly on
what else is going on. Hiding the browser window makes it happen less,
I think. But I suspect that's about "less gpu activity" than anything
else.

I'll see if I can bisect it at least partially.

                  Linus