Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756796AbZC2NW5 (ORCPT ); Sun, 29 Mar 2009 09:22:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751555AbZC2NWq (ORCPT ); Sun, 29 Mar 2009 09:22:46 -0400 Received: from nn7.de ([85.214.94.156]:49782 "EHLO nn7.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753735AbZC2NWq (ORCPT ); Sun, 29 Mar 2009 09:22:46 -0400 Subject: Re: enabling kms for i915 disables brightness control and xrandr From: Soeren Sonnenburg To: Sitsofe Wheeler Cc: linux-kernel@vger.kernel.org, Eric Anholt , dri-devel@lists.sourceforge.net, Jesse Barnes In-Reply-To: <20090329130702.GA23660@sucs.org> References: <1238322841.4185.36.camel@localhost> <20090329130702.GA23660@sucs.org> Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Sun, 29 Mar 2009 15:22:37 +0200 Message-Id: <1238332957.4185.74.camel@localhost> Mime-Version: 1.0 X-Mailer: Evolution 2.24.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1839 Lines: 43 On Sun, 2009-03-29 at 14:07 +0100, Sitsofe Wheeler wrote: > (CC'ing dri-devel, Eric Anholt and Jesse Barnes) > > On Sun, Mar 29, 2009 at 12:34:01PM +0200, Soeren Sonnenburg wrote: > > Dear all, > > > > I am not sure if this is just a user error/ too old userspace problem, > > [User stated that 2.6.3 intel driver is being used in another email] Just to not cause any (further?) confusion, I was using 2.6.1 when I wrote that email and after compiling/upgrading to 2.6.3 a number of problems vanished (like Xv works, screen resolution is correct, things are *a lot* faster with UXA). However, brightness still only works via setpci and xrandr only shows the 1024x600 modeline. > > but I recognized that when I enable kernel based modesetting on a intel > > 945 based samsung nc 10 netbook, I loose brightness control from within > > X and X resolutions are wrong (instead of 1024x600 it is 1024x1024) and > > xrandr does no longer have the all the modelines ranging from 1024x600 > > to 640x350... Trying to change resolutions / setting the brightness via > > xrandr results in error messages being printed. > > > > Furthermore, this same flag disables Xv support.. > > > > However, screen switches between terminal and X are quite fast now > > (without any flicker) and suspend and everything works stably. > > > > I recognized that I can set the brightness via > > > > setpci -s 00:02.1 F4.B=XX > > > > (XX ranging from 00 to FF) just fine... Soeren. -- For the one fact about the future of which we can be certain is that it will be utterly fantastic. -- Arthur C. Clarke, 1962 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/