From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Carpenter Subject: Re: back light conflict i915 vs dell-laptop Date: Sun, 28 Nov 2010 22:36:22 +0300 Message-ID: <20101128193622.GC30799@bicker> References: <20101125093301.GT1522@bicker> <1290967527.4456.8.camel@lat1> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1290967527.4456.8.camel@lat1> Sender: linux-kernel-owner@vger.kernel.org To: Patrick Schaaf Cc: chris@chris-wilson.co.uk, mjg@redhat.com, rpurdie@rpsys.net, kernelorg@bof.de, intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, keithp@keithp.com List-Id: intel-gfx@lists.freedesktop.org On Sun, Nov 28, 2010 at 07:05:27PM +0100, Patrick Schaaf wrote: > On Thu, 2010-11-25 at 12:33 +0300, Dan Carpenter wrote: > > Patrick Schaaf has reported that the i915 driver is setting his > > backlight very dim when he starts GDM. > > > > https://bugzilla.kernel.org/show_bug.cgi?id=23472 > > > > It should be the dell-laptop platform driver controlling his backlight. > > > > Gnome tries to restore the backlight settings through the dell_laptop > > interface in sysfs but it fails. (Because the platform hardware refuses > > to set the settings to what it thinks they already are). > Keith Packard wrote in another thread that there were some patches to address this in his git repo: git://people.freedesktop.org/~keithp/linux-2.6 drm-intel-next regards, dan carpenter