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From: Sven Joachim <svenjoac@gmx.de>
To: "Jérôme Glisse" <jglisse@redhat.com>
Cc: "Alex Deucher" <alexander.deucher@amd.com>,
	"Christian König" <christian.koenig@amd.com>,
	dri-devel@lists.freedesktop.org,
	lkml <linux-kernel@vger.kernel.org>
Subject: Hibernation broken since commit 274ad65c9d02 ("drm/radeon: hard reset r600 and newer GPU when hibernating.")
Date: Mon, 05 Sep 2016 08:20:06 +0200	[thread overview]
Message-ID: <87a8fmq355.fsf@turtle.gmx.de> (raw)

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
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WARNING: multiple messages have this Message-ID (diff)
From: Sven Joachim <svenjoac@gmx.de>
To: "Jérôme Glisse" <jglisse@redhat.com>
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: Hibernation broken since commit 274ad65c9d02 ("drm/radeon: hard reset r600 and newer GPU when hibernating.")
Date: Mon, 05 Sep 2016 08:20:06 +0200	[thread overview]
Message-ID: <87a8fmq355.fsf@turtle.gmx.de> (raw)

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

             reply	other threads:[~2016-09-05  6:20 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-05  6:20 Sven Joachim [this message]
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 14:31     ` Alex Deucher
2016-09-15 15:04     ` Jerome Glisse
2016-09-15 15:04       ` Jerome Glisse
2016-10-14 18:50       ` Sven Joachim
2016-10-14 18:50         ` Sven Joachim
2016-09-15 12:32 ` Pavel Machek

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