[Trac #283] OF seems to initialise DCON before VGA, giving strange screen behaviour

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#283: OF seems to initialise DCON before VGA, giving strange screen behaviour
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 Reporter:  dwmw2      |       Owner:  wmb at firmworks.com
     Type:  defect     |      Status:  new              
 Priority:  normal     |   Milestone:  BTest-1          
Component:  linuxbios  |    Keywords:                   
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 I've fixed Linux to turn off the DCON on reboot to avoid nasty artifacts
 which look like DC.
 OpenFirmware seems to turn the DCON back on before enabling any video
 output, so we still get weird glitches on the display.

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Ticket URL: <http://dev.laptop.org/ticket/283>
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