From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: 3.11.0+ Laptop screen goes blank during kernelboot Date: Tue, 10 Sep 2013 14:37:50 +0300 Message-ID: <87li34aovl.fsf@intel.com> References: <522AF1B5.4070605@xmsnet.nl> <87ob819c1z.fsf@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga03.intel.com (mga03.intel.com [143.182.124.21]) by gabe.freedesktop.org (Postfix) with ESMTP id B88CFE6C9A for ; Tue, 10 Sep 2013 04:35:47 -0700 (PDT) In-Reply-To: <87ob819c1z.fsf@intel.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: Hans de Bruin , intel-gfx List-Id: intel-gfx@lists.freedesktop.org On Tue, 10 Sep 2013, Jani Nikula wrote: > Hi Hans - > > On Sat, 07 Sep 2013, Hans de Bruin wrote: >> Since a day or two the screen of my laptop goes blank when the kernel >> switches resolution in the boot process. Happily the x-server turns it >> on again. > > Please try the drm-intel-nighly branch of > git://people.freedesktop.org/~danvet/drm-intel > > I suspect this might be a regression from upstream > commit 045ac3b5629d9711531a408e92f9074db6afe7ce > Author: Jesse Barnes > Date: Tue May 14 17:08:26 2013 -0700 > > drm/i915: add encoder get_config function v5 > > fixed by > commit 775e18a9561725e07ea68ada82880013e7b70cb7 > Author: Imre Deak > Date: Tue Jul 30 13:36:32 2013 +0300 > > drm/i915: make user mode sync polarity setting explicit > > in drm-intel-nightly. > > The fix seems to apply cleanly on 3.11 too, could try that also. Similar issue, different cure: http://thread.gmane.org/gmane.linux.kernel/1557476 -- Jani Nikula, Intel Open Source Technology Center