From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH] drm/i915: disable drm agp support for !gen3 with kms enabled Date: Mon, 25 Jun 2012 21:11:36 +0200 Message-ID: <20120625191136.GE4708@phenom.ffwll.local> References: <20120625072220.GB4708@phenom.ffwll.local> <1340632729-6048-1-git-send-email-daniel.vetter@ffwll.ch> <1340637552_67276@CP5-2952> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-wi0-f171.google.com (mail-wi0-f171.google.com [209.85.212.171]) by gabe.freedesktop.org (Postfix) with ESMTP id A475F9E96D for ; Mon, 25 Jun 2012 12:09:58 -0700 (PDT) Received: by wibhq4 with SMTP id hq4so2432975wib.12 for ; Mon, 25 Jun 2012 12:09:57 -0700 (PDT) Content-Disposition: inline In-Reply-To: <1340637552_67276@CP5-2952> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: Chris Wilson Cc: Daniel Vetter , Intel Graphics Development List-Id: intel-gfx@lists.freedesktop.org On Mon, Jun 25, 2012 at 04:18:32PM +0100, Chris Wilson wrote: > On Mon, 25 Jun 2012 15:58:49 +0200, Daniel Vetter wrote: > > This is the quick&dirty way Dave Airlie suggested to workaround the > > midlayer drm agp brain-damange. Note that i915_probe is only called > > when the driver has ksm enabled, so no need to check for that. > s/ksm/kms/ > > > > We also need to move the intel_agp_enabled check at the right place. > > Note that the only thing this does is enforce the correct module load > > order (by using a symbol from intel-agp.ko) to ensure that the fake > > agp driver is ready before the drm core tries to set up the agp stuff. > > > > v2: Add a comment to explain why gen3 needs all this legacy fake agp > > stuff - we've shipped an XvMC library with a kms-enabled ddx that > > requires it (but only on gen3). > > > > v3: Make it clear that this is really a gen3 issue only in the > > comment. > Make it clear that this is only a gen3 issue in the comment. > > > Signed-Off-by: Daniel Vetter > > Reviewed-by: Chris Wilson I've queued all three patches for -next (with the changelog fixed as suggested), thanks for the review. -Daniel -- Daniel Vetter Mail: daniel@ffwll.ch Mobile: +41 (0)79 365 57 48