X works somewhat on DFP with latest radeonfb.c

Benjamin Herrenschmidt benh at kernel.crashing.org
Sun Nov 18 03:07:49 EST 2001

>Hi Ben,
>Thought you might like to know.  I took a look at the XF410
>radeon_driver.c and compared it to the latest versions of radeon_driver.c
>in XFreee86 CVS HEAD and they are quite different.
>CVS HEAD has a *lot* more support for DFP but since I had the radeonfb
>working on the DFP I thought what the hell, and started to try to use XF
>4.1.0 radeon_driver.c with only a few small tweaks (ignoring all of the
>Flat Panel code which is old and not-working in XF410) with the UseFBDev
>Option so all the DFP register stuff is handled by the radeonfb.c driver.
>X actually starts up with depths of 8 and depths of 24 (32bpp), and works
>but the colors are all wrong:  too many pinks in the 8 bit version and
>seemingly random colors in the 24 depth.
>So I am going to try and play around with the pallette setting.

Ask Ani for his patches. I think the engine must be properly configured
for big endian.


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