Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755714Ab0AOQVn (ORCPT ); Fri, 15 Jan 2010 11:21:43 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753159Ab0AOQVn (ORCPT ); Fri, 15 Jan 2010 11:21:43 -0500 Received: from courier.cs.helsinki.fi ([128.214.9.1]:56091 "EHLO mail.cs.helsinki.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751423Ab0AOQVm (ORCPT ); Fri, 15 Jan 2010 11:21:42 -0500 Subject: Re: [PATCH] drm/i915: disable LVDS downclock by default From: Pekka Enberg To: Thomas Meyer Cc: Nick Bowler , linux-kernel@vger.kernel.org, Jesse Barnes , Linus Torvalds In-Reply-To: <1263572080.2217.1.camel@localhost.localdomain> References: <20100113133357.67f9df6d@jbarnes-piketon> <4B4E403C.1050509@cs.helsinki.fi> <20100113165530.2a7e7645@jbarnes-piketon> <4B4F6D5F.10008@cs.helsinki.fi> <20100114193118.GA1203@emergent.ellipti <84144f021001150054m532cd1cdwbbdbab79b5924fb7@mail.gmail.com> <1263572080.2217.1.camel@localhost.localdomain> Date: Fri, 15 Jan 2010 18:21:40 +0200 Message-Id: <1263572500.13459.6.camel@penberg-laptop> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 7bit X-Mailer: Evolution 2.26.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Thomas, On Fri, 2010-01-15 at 17:14 +0100, Thomas Meyer wrote: > Am Freitag, den 15.01.2010, 10:54 +0200 schrieb Pekka Enberg: > > > So, any suggestions how I should proceed with figuring out the > > "flashing" problem I still see with Jesse's patch? I can do a full git > > bisect if it comes to that but it's going to be bit difficult to > > determine if a commit is good or bad as there seem to be _two_ > > different problems both of which cause screen flickering. > > > > Heelp! > > Does it look like the video in this bug, see attached video in the bug > report: > > http://bugzilla.kernel.org/show_bug.cgi?id=14670 No, that looks more like the "shaking" problem that's fixed by Nick's and Jesse's patches. The "flashing" bug I'm talking about looks like I'm seeing an old frame or something that's partially garbled with normal output. The bug also appears much more infrequently than what your video shows. Pekka -- 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/