X works somewhat on DFP with latest radeonfb.c

Michel Dänzer michdaen at iiic.ethz.ch
Sun Nov 18 10:17:29 EST 2001

On Sat, 2001-11-17 at 17:07, Benjamin Herrenschmidt wrote:
> >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.

With Option "UseFBDev", the framebuffer device is used for setting the

Earthling Michel Dänzer (MrCooper)/ Debian GNU/Linux (powerpc) developer
XFree86 and DRI project member   /  CS student, Free Software enthusiast

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