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[Oded Arbel <oded@xxxxxxxxxx>]

I applied the patch to the above mentioned kernel and run it. Curiously
it does not feature the screen corruption that was the issue of this
bug, but it does still changes to 85Hz when docked and back to 60Hz when
undocked:

Docked:
$ xrandr 
Screen 0: minimum 320 x 200, current 1024 x 768, maximum 8192 x 8192
VGA1 disconnected (normal left inverted right x axis y axis)
LVDS1 connected 1024x768+0+0 (normal left inverted right x axis y axis) 287mm x 215mm
   1024x768       60.0 +   85.0*    75.0     70.1     60.0     50.0  
   832x624        74.6  
   800x600        85.1     72.2     75.0     60.3     56.2  
   640x480        85.0     72.8     75.0     59.9  
   720x400        85.0  
   640x400        85.1  
   640x350        85.1  
DVI1 disconnected (normal left inverted right x axis y axis)

Undocked:
$ xrandr 
Screen 0: minimum 320 x 200, current 1024 x 768, maximum 8192 x 8192
VGA1 disconnected (normal left inverted right x axis y axis)
LVDS1 connected 1024x768+0+0 (normal left inverted right x axis y axis) 287mm x 215mm
   1024x768       60.0*+   85.0     75.0     70.1     60.0*    50.0  
   832x624        74.6  
   800x600        85.1     72.2     75.0     60.3     56.2  
   640x480        85.0     72.8     75.0     59.9  
   720x400        85.0  
   640x400        85.1  
   640x350        85.1  
DVI1 disconnected (normal left inverted right x axis y axis)

Syslog has this to day when docking:
Jul 22 18:02:59 sepiroth kernel: [  177.915766] usb 1-4: new high speed USB device using ehci_hcd and address 6
Jul 22 18:02:59 sepiroth kernel: [  178.124472] usb 1-4: configuration #1 chosen from 1 choice
Jul 22 18:02:59 sepiroth kernel: [  178.244951] hub 1-4:1.0: USB hub found
Jul 22 18:02:59 sepiroth kernel: [  178.245074] hub 1-4:1.0: 4 ports detected
Jul 22 18:02:59 sepiroth kernel: [  178.328126] [drm] LVDS-8: set mode  18
Jul 22 18:02:59 sepiroth kernel: [  323.704995] ACPI: \_SB_.GDCK - undocking
Jul 22 18:02:59 sepiroth kernel: [  323.908261] usb 1-4: USB disconnect, address 6
Jul 22 18:02:59 sepiroth kernel: [  324.627003] [drm] LVDS-8: set mode  19
Jul 22 18:02:59 sepiroth kernel: [  365.583521] [drm] LVDS-8: set mode  1a
Jul 22 18:02:59 sepiroth kernel: [  381.548982] ACPI: \_SB_.GDCK - docking

But doesn't say anything when undocking. the mode numbers listed are
incremented each time I dock, so the next modes will be 1b, 1c and 1d.

-- 
[GM45] Default 60Hz display mode drives LVDS incorrectly
https://bugs.launchpad.net/bugs/398026
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