From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: 3.13 i915 brightness settings broken when going from docked -> undocked Date: Tue, 25 Feb 2014 10:05:57 +0200 Message-ID: <878usz8vmi.fsf@intel.com> References: <1392882819.5070.15.camel@x220> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1392882819.5070.15.camel@x220> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces@lists.freedesktop.org Errors-To: intel-gfx-bounces@lists.freedesktop.org To: Paul Bolle , Josh Boyer Cc: Daniel Vetter , intel-gfx@lists.freedesktop.org, "Linux-Kernel@Vger. Kernel. Org" , DRI mailing list List-Id: intel-gfx@lists.freedesktop.org On Thu, 20 Feb 2014, Paul Bolle wrote: > On an (rather old) ThinkPad X41, which also uses i915, brightness > adjustments stopped working altogether in v3.14-rc1 (I haven't used its > docking station in the v3.14 release cycle). In v3.13.y things behave as > expected. So perhaps there's actually a more general problem here. I presume different problems. Does the ThinkPad X41 have gen3 graphics? (See e.g. /sys/kernel/debug/dri/0/i915_capabilities) If yes, it might be https://bugs.freedesktop.org/show_bug.cgi?id=75001 BR, Jani. -- Jani Nikula, Intel Open Source Technology Center