[pm2fb] update 990110 - first public release ;)

[Geert Uytterhoeven]

On Wed, 20 Jan 1999, Sven LUTHER wrote:
> On Wed, Jan 20, 1999 at 01:17:16PM +0100, Geert Uytterhoeven wrote:
> > On Wed, 20 Jan 1999, Sven LUTHER wrote:
> > > but then since i first booted in this mode, the bottom line of the
> > > screen don't get erased anymore, very anoying, particularly
> > > because it worked fine before.
> > 
> > I guess a problem with the clear_margins routine?
> > 
> > > also, Ilario and Geert, am i right in thinking that the pm2fb
> > > initialize the permedia2 chip correclty, and that, when trying to
> > > accelerate X i could use it directly, without having to do
> > > initialization.
> > 
> > Yes. The X server must not do video mode initialization, but call the frame
> > buffer device instead.
> 
> what then is the stuff you initialize in the mach64 accel init stuff ?

Like you say, that's _accel_ _engine_ init stuff, not _graphics_ _engine_ init
stuff. The graphics engine takes care of the video mode (programmed in the
fbdev in the kernel), while the X server has to program the accel engine.

Greetings,

						Geert

--
Geert Uytterhoeven                     Geert.Uytterhoeven at cs.kuleuven.ac.be
Wavelets, Linux/{m68k~Amiga,PPC~CHRP}  http://www.cs.kuleuven.ac.be/~geert/
Department of Computer Science -- Katholieke Universiteit Leuven -- Belgium


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