From: Daniel Vetter <daniel@ffwll.ch>
To: "Олег Герман" <oleg.german@gmail.com>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: Sony VAIO VPC-SA2 blinking/waves on LVDS
Date: Mon, 10 Oct 2011 09:04:45 +0200 [thread overview]
Message-ID: <20111010070445.GB3021@phenom.ffwll.local> (raw)
In-Reply-To: <CAAfHt_+Jeji_w02CQOYdYXj9bLDkeX-S0Ssid9J=1Q00MDqCmA@mail.gmail.com>
On Mon, Oct 10, 2011 at 03:19:13AM +0400, Олег Герман wrote:
> I have a VAIO VPC-SA2 laptop, with an Ubuntu 11.04 installed.
> The problem lies in the strange screen (LVDS 1600x900) blinking/waves
> ( which is mostly
> noticeable in grey gradients and causes eyes fatigue and pain after
> prolonged use.
> This problem does not occur with the VESA driver, Windows and other
> outputs, but it's
> reproduced in Fedora Core and Ubuntu 10.10/11.04/11.10 at X-window and
> cosole (with i915 module). It is clear that the problem is in the
> driver, but I can't determine the source of noise, it may be because
> of the backlight, or the display-panel.
>
> I captured how it looks like
> http://www.youtube.com/watch?feature=player_profilepage&v=C3LcYLrFwHU
I'd wager this is dithering gone wrong. Can you boot with drm.debug=0xe
and attach the full dmesg? Also please attach xrandr --verbose.
Yours, Daniel
--
Daniel Vetter
Mail: daniel@ffwll.ch
Mobile: +41 (0)79 365 57 48
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next prev parent reply other threads:[~2011-10-10 7:04 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-09 23:19 Sony VAIO VPC-SA2 blinking/waves on LVDS Олег Герман
2011-10-10 7:04 ` Daniel Vetter [this message]
2011-10-10 7:36 ` Олег Герман
2011-10-10 8:31 ` Daniel Vetter
2011-10-11 9:50 ` Олег Герман
2011-10-11 10:58 ` Daniel Vetter
[not found] ` <CAAfHt_+ymuRW5PQruQAztimOH_h9d0HO1Q=my4BW1xjuKN0mCA@mail.gmail.com>
2011-10-11 21:39 ` Олег Герман
2011-10-11 22:13 ` Daniel Vetter
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