From: Jerome Glisse <jglisse@redhat.com>
To: Sven Joachim <svenjoac@gmx.de>
Cc: "Christian König" <christian.koenig@amd.com>,
"Alex Deucher" <alexander.deucher@amd.com>,
dri-devel@lists.freedesktop.org,
lkml <linux-kernel@vger.kernel.org>
Subject: Re: Hibernation broken since commit 274ad65c9d02 ("drm/radeon: hard reset r600 and newer GPU when hibernating.")
Date: Mon, 5 Sep 2016 22:25:31 -0400 (EDT) [thread overview]
Message-ID: <688782233.2035106.1473128731891.JavaMail.zimbra@redhat.com> (raw)
In-Reply-To: <87a8fmq355.fsf@turtle.gmx.de>
> Recently I got myself a new laptop with the following integrated GPU:
>
> 00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
> Mullins [Radeon R3 Graphics] (rev 40)
>
> I found that hibernation is broken in Linux 4.7+ (it works in Linux 4.6)
> and bisected it to commit 274ad65c9d02 ("drm/radeon: hard reset r600 and
> newer GPU when hibernating.").
>
> This has already been reported three months ago, but for a much older
> GPU, see the thread starting at
> https://lists.freedesktop.org/archives/dri-devel/2016-June/110050.html.
> The symptoms are exactly the same as described by Boris Petkov in that
> thread: after "systemctl hibernate" the screen goes blank, but the
> machine remains powered on and needs to be power-cycled.
>
> Any suggestions would be welcome.
>
> Cheers,
> Sven
I guess we can invert the logic and only do it for the GPU for which it fix
hibernation.
Cheers,
Jérôme
next prev parent reply other threads:[~2016-09-06 2:25 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-05 6:20 Hibernation broken since commit 274ad65c9d02 ("drm/radeon: hard reset r600 and newer GPU when hibernating.") Sven Joachim
2016-09-06 2:25 ` Jerome Glisse [this message]
2016-09-15 14:31 ` Alex Deucher
2016-09-15 15:04 ` Jerome Glisse
2016-10-14 18:50 ` Sven Joachim
2016-09-15 12:32 ` Pavel Machek
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