freebios1 sis-kernel_patch for 2.6

Li-Ta Lo ollie at
Thu Jul 8 15:35:00 CEST 2004

On Thu, 2004-07-08 at 14:39, Thomas Wehrspann wrote:
> On Thursday 08 July 2004 16:53, Li-Ta Lo wrote:
> > I can't help him with the 2.6 frame buffer neither. That driver is based
> > on the "official" framebuffer driver released by SiS long time ago. It 
> > uses register table from vga bios image so there is a lot of code doing
> > table parsing. It is totally beyond my knowledge.
> > 
> > Unfortunately, that driver is not maintained by SiS any more. You 
> > probably should ask the independent maintainer Thomas Winischhofer
> >
> > 
> > Ollie
> > 
> But after setting the videomode with fbset (the same mode that should be set 
> after booting) framebuffer works. So i hoped it can't be that difficult.

I got that problem for my SiSFB Lite too. On some version of the VGA 
core, it take two set modes to actually set the hardware to the correct
vide mode. Probably you can try the same trick.

> Are you sure about the "official" SiS driver? For me the 2.6 SiS driver seem 
> to be nearly the same Thomas Winischhofer released on his site. And he stated 
> that he had no help from SiS.

He based his code on a very old "official" SiS release. SiS lost their 
interest in supporting that stuff after a few public releases and pretty
much abandoned it. I am really amazed that he could figure out their
code without any support from SiS (and persisted for such a long 


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