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 20:25:31 +0200 Message-ID: <20120812182530.GG5575@phenom.ffwll.local> References: <20120812182157.GA1949@kroah.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20120812182157.GA1949@kroah.com> Sender: linux-kernel-owner@vger.kernel.org To: Greg KH Cc: Daniel Vetter , Paulo Zanoni , Kamal Mostafa , Carsten Emde , Eugeni Dodonov , David Airlie , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org 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. Thanks, Daniel -- Daniel Vetter Mail: daniel@ffwll.ch Mobile: +41 (0)79 365 57 48