[BUG]: v2.6.31: always output black in beagle DVI LCD

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Board: beagle B5
LCD: can show beagle logo in uboot

Once I upgrade to v2.6.31 from
         git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6.git

and apply the patch:
          omapfb: Reorder Register_framebuffer call
          http://marc.info/?l=linux-omap&m=125277326104621&w=2

the dvi lcd can't show anything but black colour. And from view of the monitor,
there is video signal outputed from beagle, which can be indicated the
green-led of
monitor.

Also the fb device(/dev/fb0) can be accessed well by my test code.

I can provide more information if anyone needs.

Thanks.

-- 
Lei Ming
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