Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758246Ab2FVKzn (ORCPT ); Fri, 22 Jun 2012 06:55:43 -0400 Received: from mail-lb0-f174.google.com ([209.85.217.174]:39241 "EHLO mail-lb0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758106Ab2FVKzm convert rfc822-to-8bit (ORCPT ); Fri, 22 Jun 2012 06:55:42 -0400 MIME-Version: 1.0 In-Reply-To: <87txy3sn20.fsf@lebrac.rtp-net.org> References: <1340334073-17804-1-git-send-email-chenhc@lemote.com> <1340334073-17804-12-git-send-email-chenhc@lemote.com> <87txy3sn20.fsf@lebrac.rtp-net.org> Date: Fri, 22 Jun 2012 18:55:40 +0800 Message-ID: Subject: Re: [PATCH V3 11/16] drm/radeon: Make radeon card usable for Loongson. From: Huacai Chen To: Arnaud Patard Cc: Ralf Baechle , linux-mips@linux-mips.org, linux-kernel@vger.kernel.org, Fuxin Zhang , Zhangjin Wu , Huacai Chen , Hongliang Tao , Hua Yan , dri-devel@lists.freedesktop.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1977 Lines: 50 On Fri, Jun 22, 2012 at 5:39 PM, Arnaud Patard wrote: > > Hi, > > Huacai Chen writes: > >> 1, Handle io prot correctly for MIPS. >> 2, Define SAREA_MAX as the size of one page. >> 3, Don't use swiotlb on Loongson machines (Loonson need swioitlb, but >> ? ?when use swiotlb, GPU reset occurs at resume from suspend). >> >> Signed-off-by: Huacai Chen >> Signed-off-by: Hongliang Tao >> Signed-off-by: Hua Yan >> Reviewed-by: Michel D?nzer >> Reviewed-by: Alex Deucher >> Reviewed-by: Lucas Stach >> Reviewed-by: j.glisse >> Cc: dri-devel@lists.freedesktop.org >> --- >> ?drivers/gpu/drm/drm_vm.c ? ? ? ? ? ?| ? ?2 +- >> ?drivers/gpu/drm/radeon/radeon_ttm.c | ? ?6 +++--- >> ?drivers/gpu/drm/ttm/ttm_bo_util.c ? | ? ?2 +- >> ?include/drm/drm_sarea.h ? ? ? ? ? ? | ? ?2 ++ >> ?4 files changed, 7 insertions(+), 5 deletions(-) >> >> diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c >> index 961ee08..3f06166 100644 >> --- a/drivers/gpu/drm/drm_vm.c >> +++ b/drivers/gpu/drm/drm_vm.c >> @@ -62,7 +62,7 @@ static pgprot_t drm_io_prot(uint32_t map_type, struct vm_area_struct *vma) >> ? ? ? ? ? ? ? tmp = pgprot_writecombine(tmp); >> ? ? ? else >> ? ? ? ? ? ? ? tmp = pgprot_noncached(tmp); >> -#elif defined(__sparc__) || defined(__arm__) >> +#elif defined(__sparc__) || defined(__arm__) || defined(__mips__) >> ? ? ? tmp = pgprot_noncached(tmp); > > btw, would it be a good idea to use uncached accelerated instead ? I have tried uncached accelerated, there will be random points in the monitor, it seems a hw issue... > > Arnaud -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/