From: James Simmons <jsimmons@edgeglobal.com>
  To  : ggi-develop@eskimo.com
  Date: Fri, 5 Mar 1999 10:19:14 -0500 (EST)

Re: /dev/fb root - why ?

> > That very reason as well as teh issue of mmaped MMIO for some of the
> > drivers. Take the matroxfb. It mmap all of the MMIO registers. All of
> > them.
> 
> It does? Gotta check that out! If the registers can be mapped to
> userspace I'll hack up a userspace acceleration module for the fbdev
> target.

It does this for the ATI driver as well.