From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?ISO-8859-1?Q?Michel_D=E4nzer?= Subject: Re: [PATCH 1/3] drm/radeon: stop poisoning the GART TLB Date: Fri, 27 Jun 2014 11:31:40 +0900 Message-ID: <53ACD78C.6090102@daenzer.net> References: <1401888598-1961-1-git-send-email-deathsimple@vodafone.de> <5398218A.4040104@vodafone.de> <53998D99.6050008@vodafone.de> <539B1CA0.6010600@vodafone.de> <539D9601.8090308@vodafone.de> <53A2415D.6020808@daenzer.net> <53A2B155.4000001@vodafone.de> <53A7E21E.1000000@daenzer.net> <53A7F9E1.8080700@amd.com> <53A91F89.7090504@daenzer.net> <53A94F94.6040603@amd.com> <53AA4913.10401@daenzer.net> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: Received: from mail.gna.ch (darkcity.gna.ch [195.226.6.51]) by gabe.freedesktop.org (Postfix) with ESMTP id 4BBD86E45D for ; Thu, 26 Jun 2014 19:31:47 -0700 (PDT) In-Reply-To: <53AA4913.10401@daenzer.net> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: =?ISO-8859-1?Q?Christian_K=F6nig?= , Alex Deucher Cc: dri-devel List-Id: dri-devel@lists.freedesktop.org On 25.06.2014 12:59, Michel D=E4nzer wrote: > On 24.06.2014 19:14, Christian K=F6nig wrote: >> Am 24.06.2014 08:49, schrieb Michel D=E4nzer: >>> On 23.06.2014 18:56, Christian K=F6nig wrote: >>>> Am 23.06.2014 10:15, schrieb Michel D=E4nzer: >>>>> On 19.06.2014 18:45, Christian K=F6nig wrote: >>>>> >>>>>> I think even when we revert to the old code we have a couple of >>>>>> unsolved >>>>>> problems with the VM support or in the driver in general where we >>>>>> should >>>>>> try to understand the underlying reason for it instead of applying >>>>>> more >>>>>> workarounds. >>>>> I'm not suggesting applying more workarounds but going back to a known >>>>> more stable state. It seems like we've maneuvered ourselves to a rath= er >>>>> uncomfortable position from there, with no clear way to a better plac= e. >>>>> But if we basically started from the 3.14 state again, we have a few >>>>> known hurdles like mine and Marek's Bonaire etc. which we know any >>>>> further improvements will have to pass before they can be considered >>>>> for >>>>> general consumption. >>>> Yeah agree, especially on the uncomfortable position. >>>> >>>> Please try with the two attached patches applied on top of 3.15 and >>>> retest. They should revert back to the old implementation. >>> Unfortunately, X fails to start with these, see the attached excerpt >>> from dmesg. >> >> My fault, incorrectly solved a merge conflict and then failed to test >> the right kernel. >> >> [...] >> = >> Please try attached patches instead, > = > With these patches, 3.15 just survived two piglit runs on my Bonaire, > one with the GART poisoning fix and one without. It never survived a > single run before. > = > Acked-and-Tested-by: Michel D=E4nzer So, are these patches going to 3.16 and 3.15? -- = Earthling Michel D=E4nzer | http://www.amd.com Libre software enthusiast | Mesa and X developer