Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757452Ab2EVMaG (ORCPT ); Tue, 22 May 2012 08:30:06 -0400 Received: from mail-we0-f174.google.com ([74.125.82.174]:60933 "EHLO mail-we0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750852Ab2EVMaE (ORCPT ); Tue, 22 May 2012 08:30:04 -0400 Date: Tue, 22 May 2012 14:30:58 +0200 From: Daniel Vetter To: Zdenek Kabelac Cc: Linux Kernel Mailing List , intel-gfx@lists.freedesktop.org, daniel@ffwll.ch Subject: Re: Regression on GMA965 - display seems to have slow jump changes in brightness Message-ID: <20120522123058.GB4629@phenom.ffwll.local> Mail-Followup-To: Zdenek Kabelac , Linux Kernel Mailing List , intel-gfx@lists.freedesktop.org References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Operating-System: Linux phenom 3.4.0-rc6+ User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1219 Lines: 35 On Tue, May 22, 2012 at 02:08:46PM +0200, Zdenek Kabelac wrote: > Hi > > I've updated to 3.4 kernel, and now I'm noticing slight changes in > brightness on colorful images. > It seems the change is mostly visibly on 'darker' images i.e. it's > not really visible on white background. > > When I reboot back to 3.3 kernel - brightness changes are gone - so I > do not suspect hw fault of my T61 display. > I guess once in past there has been already such bug, so this problem > seems to me like reintroducing the same > problem again. > > xorg-x11-server-Xorg-1.12.1-1.fc18.x86_64 > with SNA intel driver build from git repo. > T61, 965GM > > Is this a know issue ? > Is bisect needed ? You're the first one to report things, so a bisect would be highly appreciated. Also I'm a bit confused about what you mean by 'changing brightness'. Can you please try to explain this a bit more? Thanks, Daniel -- Daniel Vetter Mail: daniel@ffwll.ch Mobile: +41 (0)79 365 57 48 -- 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/