X works somewhat on DFP with latest radeonfb.c

Kevin B. Hendricks khendricks at ivey.uwo.ca
Sun Nov 18 03:23:28 EST 2001

Hi Ani,

Ben mentioned below that you might have some patches to handle BigEndian
issues for radeon.

Any help would be greatly appreciated.



On November 17, 2001 11:07, Benjamin Herrenschmidt wrote:
> >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.
> Ben.

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