From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755497AbcFHLgz (ORCPT ); Wed, 8 Jun 2016 07:36:55 -0400 Received: from mail.skyhub.de ([78.46.96.112]:55968 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755368AbcFHLgx (ORCPT ); Wed, 8 Jun 2016 07:36:53 -0400 Date: Wed, 8 Jun 2016 13:36:50 +0200 From: Borislav Petkov To: Jerome Glisse Cc: Christian =?utf-8?B?S8O2bmln?= , Alex Deucher , dri-devel@lists.freedesktop.org, lkml Subject: Re: 274ad65c9d02 ("drm/radeon: hard reset r600 and newer GPU when hibernating.") Message-ID: <20160608113650.GA3916@pd.tnic> References: <20160606140202.GA4206@pd.tnic> <159981777.3992038.1465249219590.JavaMail.zimbra@redhat.com> <20160606220003.GH4206@pd.tnic> <1734348573.4433814.1465336312228.JavaMail.zimbra@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1734348573.4433814.1465336312228.JavaMail.zimbra@redhat.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 07, 2016 at 05:51:52PM -0400, Jerome Glisse wrote: > 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. Probably. And that means I really haven't noticed. How do I test video decoding? mplayer seems to work fine :) > From 8ed42906e430880ce01bc6f175f1c7c180529353 Mon Sep 17 00:00:00 2001 > From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= > Date: Tue, 7 Jun 2016 17:43:04 -0400 > Subject: [PATCH] drm/radeon: do not hard reset GPU while freezing on r600/r700 > family > MIME-Version: 1.0 > Content-Type: text/plain; charset=UTF-8 > Content-Transfer-Encoding: 8bit > > Seems r600/r700 does not like hard reset while freezing for hibernation > (regression due to 274ad65c9d02bdcbee9bae045517864c3521d530 which itself > is a fix for hibernation on some GPU families). Until i can debug further > issue with r600, let just disable this for r600/r700 as they are very > similar family and bug affecting one likely affect the other. > > Signed-off-by: Jérôme Glisse Reported-and-tested-by: Borislav Petkov -- Regards/Gruss, Boris. ECO tip #101: Trim your mails when you reply.