linux-kernel - Re: 274ad65c9d02 ("drm/radeon: hard reset r600 and newer GPU when hibernating.")

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Message-ID: <5757CB5B.7090901@amd.com>
Date:	Wed, 8 Jun 2016 09:38:03 +0200
From:	Christian König <christian.koenig@....com>
To:	Jerome Glisse <jglisse@...hat.com>, Borislav Petkov <bp@...en8.de>
CC:	Alex Deucher <alexander.deucher@....com>,
	<dri-devel@...ts.freedesktop.org>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: 274ad65c9d02 ("drm/radeon: hard reset r600 and newer GPU when
 hibernating.")

Am 07.06.2016 um 23:51 schrieb Jerome Glisse:
>> On Mon, Jun 06, 2016 at 05:40:19PM -0400, Jerome Glisse wrote:
>>> Brokens how ? Symptoms ?
>> Whoops, sorry, I meant to elaborate...
>>
>> After doing:
>>
>>          echo "shutdown" > /sys/power/disk
>>          echo "disk" > /sys/power/state
>>
>> screen goes blank but machine remains powered on and doesn't go off. No
>> responses to keyboard presses, etc. The only thing left to do is the
>> reset button.
> Ok i don't have too much time to dig into r600 i assume that r700 breaks
> the same way so could you verify that attached patch fix the issue for
> you. Note that video decoding is likely broken for you after hibernation
> but you might have never notice it.

Patch is Reviewed-by: Christian König <christian.koenig@....com>.

Please keep me CCed if you have time looking into this.

Regards,
Christian.

>
> Cheers,
> Jérôme