From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752779Ab3ACBET (ORCPT ); Wed, 2 Jan 2013 20:04:19 -0500 Received: from mail.kapsi.fi ([217.30.184.167]:49533 "EHLO mail.kapsi.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752707Ab3ACBER (ORCPT ); Wed, 2 Jan 2013 20:04:17 -0500 Message-ID: <50E4D8E2.8010107@iki.fi> Date: Thu, 03 Jan 2013 03:03:30 +0200 From: Antti Palosaari User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/17.0 Thunderbird/17.0 MIME-Version: 1.0 To: Alex Deucher CC: Shuah Khan , Markus Trippelsdorf , Jerome Glisse , Borislav Petkov , Andy Furniss , Alex Deucher , dri-devel@lists.freedesktop.org, lkml Subject: Re: radeon 0000:02:00.0: GPU lockup CP stall for more than 10000msec References: <20121223113153.GA8918@liondog.tnic> <20121223115133.GA229@x4> <20121223122210.GA4460@liondog.tnic> <20121223133102.GA8153@liondog.tnic> <50E3907C.4040106@iki.fi> <20130102120248.GC6181@x1.alien8.de> <50E4755E.7030209@iki.fi> <20130102223807.GA242@x4> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-SA-Exim-Connect-IP: 82.128.184.254 X-SA-Exim-Mail-From: crope@iki.fi X-SA-Exim-Scanned: No (on mail.kapsi.fi); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/03/2013 01:59 AM, Alex Deucher wrote: > On Wed, Jan 2, 2013 at 6:58 PM, Shuah Khan wrote: >> On Wed, Jan 2, 2013 at 4:37 PM, Alex Deucher wrote: >>> On Wed, Jan 2, 2013 at 5:38 PM, Markus Trippelsdorf >>> wrote: >>>> On 2013.01.02 at 17:31 -0500, Jerome Glisse wrote: >>>>> Please affected people can you test if patch : >>>>> http://people.freedesktop.org/~glisse/0003-drm-radeon-fix-dma-copy-on-r6xx-r7xx-evergen-ni-si-g.patch >>>>> >>>>> Fix the issue, you need to make sure you don't have the patch that >>>>> disable dma on r6xx ie that line 977-978 & 1061-1062 in radeon_asic.c >>>>> is : >>>>> .copy = &r600_copy_dma, >>>>> .copy_ring_index = R600_RING_TYPE_DMA_INDEX, >>>> >>>> It fixes the issue for me. Thanks. >>> >>> The count is actually the count, not count - 1. The real fix seems to >>> be that r6xx requires 2 dw aligned transfers. The attached patch >>> fixes the issue for me. >>> >> >> Catching up with this thread. I reverted the >> >> drm/radeon: use async dma for ttm buffer moves on 6xx-SI >> commit id: 2d6cc7296d4ee128ab0fa3b715f0afde511f49c2 >> >> Do I need to apply this patch without reverting >> 2d6cc7296d4ee128ab0fa3b715f0afde511f49c2? > > Correct. Don't revert anything. Just apply this patch. Tested, it is working. I didn't revert anything, just added that latest patch. regards Antti -- http://palosaari.fi/