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From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Brandon Nielsen <nielsenb@jetfuse.net>
Cc: Peter Jones <pjones@redhat.com>,
	Linux Fbdev development list <linux-fbdev@vger.kernel.org>,
	Imre Deak <imre.deak@intel.com>, David Airlie <airlied@linux.ie>,
	Daniel Vetter <daniel.vetter@ffwll.ch>,
	stable <stable@vger.kernel.org>,
	DRI Development <dri-devel@lists.freedesktop.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [Bug Report] Desktop monitor sleep regression
Date: Tue, 7 Dec 2021 09:59:12 +0100	[thread overview]
Message-ID: <CAMuHMdUep8xc3Ay5o6=KWsF8Hp7fUKdgPuW-_WOr1=KAxkou2Q@mail.gmail.com> (raw)
In-Reply-To: <8a27c986-4767-bd29-2073-6c4ffed49bba@jetfuse.net>

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On Tue, Dec 7, 2021 at 7:37 AM Brandon Nielsen <nielsenb@jetfuse.net> wrote:
> Monitors no longer sleep properly on my system (dual monitor connected
> via DP->DVI, amdgpu, x86_64). The monitors slept properly on 5.14, but
> stopped during the 5.15 series. I have also filed this bug on the kernel
> bugzilla[0] and downstream[1].
>
> I have performed a bisect, first "bad" commit to master is
> 55285e21f04517939480966164a33898c34b2af2[1], the same change made it
> into the 5.15 branch as e3b39825ed0813f787cb3ebdc5ecaa5131623647. I have
> verified the issue exists in latest master
> (a51e3ac43ddbad891c2b1a4f3aa52371d6939570).
>
>
> Steps to reproduce:
>
>    1. Boot system (Fedora Workstation 35 in this case)
>    2. Log in
>    3. Lock screen (after a few seconds, monitors will enter power save
> "sleep" state with backlight off)
>    4. Wait (usually no more than 30 seconds, sometimes up to a few minutes)
>    5. Observe monitor leaving "sleep" state (backlight comes back on),
> but nothing is displayed
>
>
> [0] - https://bugzilla.kernel.org/show_bug.cgi?id=215203
> [1] - https://bugzilla.redhat.com/show_bug.cgi?id=2028613

           reply	other threads:[~2021-12-07  8:59 UTC|newest]

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 [parent not found: <8a27c986-4767-bd29-2073-6c4ffed49bba@jetfuse.net>]

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