From: Jerome Glisse <jglisse@redhat.com>
To: Alex Deucher <alexdeucher@gmail.com>
Cc: "Alex Deucher" <alexander.deucher@amd.com>,
lkml <linux-kernel@vger.kernel.org>,
"Sven Joachim" <svenjoac@gmx.de>,
"Maling list - DRI developers" <dri-devel@lists.freedesktop.org>,
"Christian König" <christian.koenig@amd.com>
Subject: Re: Hibernation broken since commit 274ad65c9d02 ("drm/radeon: hard reset r600 and newer GPU when hibernating.")
Date: Thu, 15 Sep 2016 11:04:25 -0400 (EDT) [thread overview]
Message-ID: <1369221908.859909.1473951865913.JavaMail.zimbra@redhat.com> (raw)
In-Reply-To: <CADnq5_MQD3rdoqyTjyke7Udn05hq_tRU+-SQKGHp0Je-VPRTYA@mail.gmail.com>
> On Mon, Sep 5, 2016 at 10:25 PM, Jerome Glisse <jglisse@redhat.com> wrote:
> >> 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.
>
> Do you remember which asics this fixed?
>
No that's the issue, i don't have hw anymore but according to bug it is AMD FirePro
M5170 and M6170 which would make them amdgpu afaict but i remember the hw was using
radeon so i am not sure how to figure out what GPU it was really.
Bug https://bugzilla.redhat.com/show_bug.cgi?id=1269009
Cheers,
Jérôme
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next prev parent reply other threads:[~2016-09-15 15:04 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
2016-09-15 14:31 ` Alex Deucher
2016-09-15 15:04 ` Jerome Glisse [this message]
2016-10-14 18:50 ` Sven Joachim
2016-09-15 12:32 ` Pavel Machek
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