From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751852AbeDYJt3 (ORCPT ); Wed, 25 Apr 2018 05:49:29 -0400 Received: from mail.netline.ch ([148.251.143.178]:57516 "EHLO netline-mail3.netline.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751725AbeDYJt0 (ORCPT ); Wed, 25 Apr 2018 05:49:26 -0400 Subject: Re: [PATCH] drm/radeon: Change the default to PCI on PowerPC To: Mathieu Malaterre , =?UTF-8?Q?Christian_K=c3=b6nig?= Cc: "David (ChunMing) Zhou" , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, Alex Deucher References: <20180424195512.491-1-malat@debian.org> From: =?UTF-8?Q?Michel_D=c3=a4nzer?= Message-ID: <0d3b4b95-044d-ab4f-950e-85098b81cb5d@daenzer.net> Date: Wed, 25 Apr 2018 11:49:22 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 MIME-Version: 1.0 In-Reply-To: <20180424195512.491-1-malat@debian.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-CA Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2018-04-24 09:55 PM, Mathieu Malaterre wrote: > AGP mode is unstable on PowerPC. Symptoms are generally of the form: > > [ 1228.795711] radeon 0000:00:10.0: ring 0 stalled for more than 10240msec > > Reviewed-by: Christian König > Signed-off-by: Mathieu Malaterre > --- > drivers/gpu/drm/radeon/radeon_drv.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c > index b28288a781ef..2a7977a23b31 100644 > --- a/drivers/gpu/drm/radeon/radeon_drv.c > +++ b/drivers/gpu/drm/radeon/radeon_drv.c > @@ -168,7 +168,12 @@ int radeon_no_wb; > int radeon_modeset = -1; > int radeon_dynclks = -1; > int radeon_r4xx_atom = 0; > +#ifdef __powerpc__ > +/* Default to PCI on PowerPC (fdo #95017) */ > +int radeon_agpmode = -1; > +#else > int radeon_agpmode = 0; > +#endif > int radeon_vram_limit = 0; > int radeon_gart_size = -1; /* auto */ > int radeon_benchmarking = 0; > Pushed to amd-staging-drm-next, thanks! -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Mesa and X developer