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From: Chris Wilson <chris@chris-wilson.co.uk>
To: Jon Masters <jonathan@jonmasters.org>
Cc: intel-gfx <intel-gfx@lists.freedesktop.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [bisected] offset display bug in i915
Date: Mon, 08 Nov 2010 10:27:29 +0000	[thread overview]
Message-ID: <b9dded$h0q3am@orsmga002.jf.intel.com> (raw)
In-Reply-To: <1289211512.3916.383.camel@constitution.bos.jonmasters.org>

On Mon, 08 Nov 2010 05:18:32 -0500, Jon Masters <jonathan@jonmasters.org> wrote:
> Hi Chris,
> 
> The following patch that you recently committed breaks my ASUS Eee PC
> 1015PEM by causing the display to be offset by about 1 inch (a few
> centimeters) when the mode is (re)set during boot. I previously posted
> both photographs and video of the problem in another "PROBLEM" thread.

[snip]

> I'll look at the patch. Either the EDID is *not* consistent (in which
> case, why are we not seeing other bugs like this?) or there is something
> specific to this system or panel used.

Interesting. Or even downright bizarre! Can you disable the caching
(hopefully the patch is still revertible) and save the EDID
(/sys/class/drm/card0-LVDS-1/edid) periodically? Might be simplest just to
dump the EDID every time we probe the LVDS if it has changed.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre

  parent reply	other threads:[~2010-11-08 10:27 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-08 10:18 [bisected] offset display bug in i915 Jon Masters
2010-11-08 10:20 ` [Intel-gfx] " Jon Masters
2010-11-08 10:27 ` Chris Wilson [this message]
2010-11-08 10:54   ` Jon Masters
2010-11-08 11:22     ` [Intel-gfx] " Jon Masters
2010-11-08 11:29       ` Jon Masters
2010-11-08 11:36         ` Jon Masters
2010-11-08 12:13         ` Chris Wilson
2010-11-08 17:58           ` Jon Masters
2010-11-08 23:08           ` Jon Masters
2010-11-08 23:24             ` [PATCH] drm/i915: Fix LVDS fixed-mode regression from 219adae1 Chris Wilson
2010-11-09  0:16               ` Jon Masters
2010-11-11  8:39               ` Jon Masters
2010-11-08 11:33     ` [bisected] offset display bug in i915 James Courtier-Dutton
2010-11-08 11:38       ` Jon Masters
2010-11-08 11:26   ` James Courtier-Dutton
2010-11-08 11:34     ` Jon Masters

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