linux-kernel - Re: [Bug #34002] [REGRESSION] [2.6.39-rc3] Wrong resolution in framebuffer and X Window

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Date:	Mon, 20 Jun 2011 17:37:42 +0200
From:	Maciej Rutecki <maciej.rutecki@...il.com>
To:	Jesse Barnes <jbarnes@...tuousgeek.org>, chris@...is-wilson.co.uk
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	Florian Mickler <florian@...kler.org>
Subject: Re: [Bug #34002] [REGRESSION] [2.6.39-rc3] Wrong resolution in framebuffer and X Window

On środa, 15 czerwca 2011 o 20:46:14 Jesse Barnes wrote:

> 
> Did you ever bisect this issue? As Chris says it sounds like an EDID
> problem; we detect the outputs and attach some modes, but they sound
> like the wrong ones for your config.  Maybe we broke EDID fetching for
> your config?


Result of bisection:
8f9a3f9b63b8cd3f03be9dc53533f90bd4120e5f is the first bad commit
commit 8f9a3f9b63b8cd3f03be9dc53533f90bd4120e5f
Author: Chris Wilson <chris@...is-wilson.co.uk>
Date:   Tue Feb 1 09:01:13 2011 +0000

    drm/i915: Enable GMBUS for post-gen2 chipsets

    With the recent SDVO fix, this is working on all the machines I have to
    hand - except for an 845G.

    Signed-off-by: Chris Wilson <chris@...is-wilson.co.uk>

:040000 040000 eb835ca9bf353d1d548b69d415801720a577184a
3e0a9430c43030735dfe2f694a1ad694cc01d483 M      drivers

Revert this commit from 3.0-rc1 solves problem.

Regards
-- 
Maciej Rutecki
http://www.maciek.unixy.pl
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