From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756402Ab2GYK5z (ORCPT ); Wed, 25 Jul 2012 06:57:55 -0400 Received: from mail-wi0-f178.google.com ([209.85.212.178]:44297 "EHLO mail-wi0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755991Ab2GYK5y convert rfc822-to-8bit (ORCPT ); Wed, 25 Jul 2012 06:57:54 -0400 From: Maciej Rutecki Reply-To: maciej.rutecki@gmail.com To: Daniel Vetter Subject: Re: [REGRESSION] [KMS] [INTEL] Wrong resolution in console and XWindow Date: Wed, 25 Jul 2012 12:57:49 +0200 User-Agent: KMail/1.13.7 (Linux/3.5.0-rc3; KDE/4.8.4; x86_64; ; ) Cc: Linux Kernel Mailing List , dri-devel@lists.freedesktop.org References: <201207251020.47637.maciej.rutecki@gmail.com> <201207251054.25498.maciej.rutecki@gmail.com> <20120725092928.GD5396@phenom.ffwll.local> In-Reply-To: <20120725092928.GD5396@phenom.ffwll.local> MIME-Version: 1.0 Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: 8BIT Message-Id: <201207251257.50064.maciej.rutecki@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On środa, 25 lipca 2012 o 11:29:28 Daniel Vetter wrote: > On Wed, Jul 25, 2012 at 10:54:25AM +0200, Maciej Rutecki wrote: > > On środa, 25 lipca 2012 o 10:29:26 Daniel Vetter wrote: > > > On Wed, Jul 25, 2012 at 10:20:47AM +0200, Maciej Rutecki wrote: > > > > Last known good: 3.4.4 > > > > First bad: 3.5.0 > > > > > > > > When booting 3.5.0 resolution (in console, and after in KDE) is set > > > > to 1024x768 (60Hz). In 3.4.4 was correct: 1440x900 (60Hz). > > > > > > Can you please attach the output of xrandr --verbose for both kernels? > > > Also, please boot with drm.debug=0xe added to your kernel cmdline and > > > grab the dmesg (again for both kernels). > > > > Thanks for the ansfer. > > > > Here xrandr and dmesg outputs for 3.4.4 and 3.5.0 > > > > http://mrutecki.pl/download/kernel/3.5/swinka/debug/ > > Can you please test this quick hack: > > > diff --git a/drivers/gpu/drm/i915/intel_i2c.c > b/drivers/gpu/drm/i915/intel_i2c.c index 1991a44..abe1611 100644 > --- a/drivers/gpu/drm/i915/intel_i2c.c > +++ b/drivers/gpu/drm/i915/intel_i2c.c > @@ -405,7 +405,7 @@ clear_err: > * timing out seems to happen when there _is_ a ddc chip present, but > * it's slow responding and only answers on the 2nd retry. > */ > - ret = -ENXIO; > + ret = 0; > if (wait_for((I915_READ(GMBUS2 + reg_offset) & GMBUS_ACTIVE) == 0, > 10)) { > DRM_DEBUG_KMS("GMBUS [%s] timed out after NAK\n", > > > Thanks, Daniel Still the same. PS. Unfortunately, this afternoon I have small a surgical operation and further tests will be possible only after 2-3 days. Regards -- Maciej Rutecki http://www.mrutecki.pl