From: Daniel Vetter <daniel@ffwll.ch>
To: Sean Paul <seanpaul@chromium.org>
Cc: Zdenek Kabelac <zdenek.kabelac@gmail.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
intel-gfx@lists.freedesktop.org, daniel@ffwll.ch,
jbarnes@virtuousgeek.org
Subject: Re: Regression on GMA965 - display seems to have slow jump changes in brightness
Date: Wed, 23 May 2012 08:49:41 +0200 [thread overview]
Message-ID: <20120523064941.GA5062@phenom.ffwll.local> (raw)
In-Reply-To: <CAOw6vbKOss-h8A2yRRunCKv7RUnD6QV4Pj1Rg8+2YC5qBKL8pQ@mail.gmail.com>
On Tue, May 22, 2012 at 06:21:22PM -0400, Sean Paul wrote:
> On Tue, May 22, 2012 at 6:15 PM, Zdenek Kabelac
> <zdenek.kabelac@gmail.com> wrote:
> > 2012/5/22 Zdenek Kabelac <zdenek.kabelac@gmail.com>:
> > And we have a winner - cec2f356d59d9e070413e5966a3c5a1af136d948
> >
>
> Hmm, seems like your display doesn't like to be downclocked, or rather
> you don't like it to be downclocked :) The reason this patch triggered
> it is because it does a better job of finding a compatible clock. You
> can disable lvds downclocking on the kernel command line by setting
> i915.lvds_downclock=0
... which is actually the default. Zdenek, are you enabling this option on
your kernel cmdline?
-Daniel
--
Daniel Vetter
Mail: daniel@ffwll.ch
Mobile: +41 (0)79 365 57 48
next prev parent reply other threads:[~2012-05-23 6:48 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-22 12:08 Zdenek Kabelac
2012-05-22 12:30 ` Daniel Vetter
2012-05-22 14:36 ` Zdenek Kabelac
2012-05-22 14:44 ` Daniel Vetter
2012-05-22 14:55 ` Zdenek Kabelac
2012-05-22 22:15 ` Zdenek Kabelac
2012-05-22 22:21 ` Sean Paul
2012-05-23 6:49 ` Daniel Vetter [this message]
2012-05-23 6:59 ` Zdenek Kabelac
2012-05-23 7:07 ` Daniel Vetter
2012-05-23 9:11 ` Daniel Vetter
2012-05-23 11:48 ` Zdenek Kabelac
2012-05-23 12:03 ` [Intel-gfx] " Daniel Vetter
2012-05-24 14:21 ` Zdenek Kabelac
2012-05-24 14:41 ` Daniel Vetter
2012-05-23 8:59 ` Chris Wilson
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