linux-kernel - 2.6.36-rc2 regression: Wrong screen resolution (1024x768 instead of 1680x1050)

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Message-ID: <20100826073039.GA4567@mac.home>
Date:	Thu, 26 Aug 2010 09:30:39 +0200
From:	Tino Keitel <tino.keitel+xorg@...ei.de>
To:	linux-kernel@...r.kernel.org, intel-gfx@...ts.freedesktop.org
Subject: 2.6.36-rc2 regression: Wrong screen resolution (1024x768 instead
 of 1680x1050)

Hi,

booting 2.6.36-rc2-git4 (commit
d4348c678977c7093438bbbf2067c49396ae941b) results in a screen
resolution of 1024x768 instead of 1680x1050.  It works fine with
2.6.35.2.

The framebuffer console uses the correct resolution, but only uses a
part of the screen for text output. Xorg output looks distorted.

Xorg log is attached.

$ xrandr 
Screen 0: minimum 320 x 200, current 1024 x 768, maximum 4096 x 4096
VGA1 disconnected (normal left inverted right x axis y axis)
DVI1 connected 1024x768+0+0 (normal left inverted right x axis y axis)
454mm x 284mm
   1680x1050      59.9 +
   1280x1024      60.0  
   1280x960       60.0  
   1024x768       60.0* 
   800x600        60.3  
   640x480        60.0  
   720x400        70.1  
TV1 connected 1024x768+0+0 (normal left inverted right x axis y axis)
0mm x 0mm
   848x480        30.0 +
   640x480        30.0 +
   1024x768       30.0* 
   800x600        30.0  

This is a Mac mini Core 2 Duo with Intel i945 graphics.

Regards,
Tino
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