[Openchrome-devel] No VGA with r953+

Xavier Bachelot xavier
Wed Sep 7 12:18:30 PDT 2011

On 09/07/2011 05:47 PM, James Simmons wrote:
>> Hi James,
>> Starting with r953, the monitor connected to VGA goes blank (no signal)
>> when X starts. Please find attached xorg log from r952 and r956.
> Thanks to Xavier we tracked down the issue to the legacy mode setting 
> code. If you turn off legacy mode setting for older devices the xorg 
> drievr starts to work which brings up the question. Should we drop legacy 
> mode setting? For now I would just turn it off. If I do this could people 
> with KM400 and CLE266 hardware test to make sure their are no regressions.
> Thank you.
To turn off legacy mode switch, you can either use the undocumented
ModeSwitchMethod option, by adding
Option "ModeSwitchMethod" "new"
to the device section of your xorg conf, or apply the attached patch.

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