From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: 3.6-rc1 breaks my laptop graphics (intel) Date: Sun, 12 Aug 2012 21:05:00 +0200 Message-ID: <20120812190500.GI5575@phenom.ffwll.local> References: <20120812182157.GA1949@kroah.com> <20120812182530.GG5575@phenom.ffwll.local> <20120812183305.GA17759@kroah.com> <20120812184802.GA1963@kroah.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-we0-f177.google.com (mail-we0-f177.google.com [74.125.82.177]) by gabe.freedesktop.org (Postfix) with ESMTP id C6A679EB56 for ; Sun, 12 Aug 2012 12:04:40 -0700 (PDT) Received: by weyr3 with SMTP id r3so2236052wey.36 for ; Sun, 12 Aug 2012 12:04:39 -0700 (PDT) Content-Disposition: inline In-Reply-To: <20120812184802.GA1963@kroah.com> 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: Greg KH Cc: Paulo Zanoni , David Airlie , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Eugeni Dodonov , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org On Sun, Aug 12, 2012 at 11:48:02AM -0700, Greg KH wrote: > On Sun, Aug 12, 2012 at 11:33:05AM -0700, Greg KH wrote: > > On Sun, Aug 12, 2012 at 08:25:31PM +0200, Daniel Vetter wrote: > > > On Sun, Aug 12, 2012 at 11:21:57AM -0700, Greg KH wrote: > > > > Hi Daniel. > > > > > > > > The 3.6-rc1 kernel breaks my laptop, booting to a black screen when the > > > > i915 driver initializes itself. I bisected this down to commit > > > > 24ded204429fa0f5501d37c63ee35c555c0b75ee (drm/i915: properly enable the > > > > blc controller on the right pipe), and when I revert that, and also > > > > a4f32fc3a37e982fffce8ec583643990ff288419 (drm/i915: don't forget the PCH > > > > backlight registers) which depended on the first patch, my laptop works > > > > just fine. > > > > > > > > Below is the combined revert. > > > > > > > > Any thoughts? Any patch I can try out? > > > > > > http://cgit.freedesktop.org/~danvet/drm-intel/commit/?h=drm-intel-fixes&id=770c12312ad617172b1a65b911d3e6564fc5aca8 > > > > > > which is already merged to drm-intel-fixes. > > > > Ah, thanks, I'll go try that out, the Subject: line didn't draw my > > attention to it being the same problem as mine :) > > Yes, that works, many thanks. > > I'm guessing this is going to be going to Linus soon, right? Yeah, I'm stalling a bit for test results on an edp regression fixer that affects the new macbook air, but I'll send current -fixes to Dave in a few days. Thanks for reporting this regression, Daniel -- Daniel Vetter Mail: daniel@ffwll.ch Mobile: +41 (0)79 365 57 48