[Linux-fbdev-devel] Re: mode change policy

[Geert U. <ge...@li...>]

On Thu, 14 Jun 2001, James Simmons wrote:
> > > NOTE: If this is the case then most drivers are broken!!!!
> > 
> > Yep. Few (if any) drivers follow the rules 100%.
> 
> So I have noticed :-(
>  
> > If you can't change modes, the rule is still to round up, if possible. So if
> > you try a mode where all parameters <= the only one supported mode, then you
> > should return the only one supported mode. Else you should return -EINVAL.
> 
> All the parameters? This makes for a meaty checking function. 

Yes, I've been thinking about providing a `staticfb' core for drivers that
support one video mode only. Vesafb and offb (and a few of the PA-RISC drivers
IIRC) can be build on top of that, with minimal additional code.

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@li...

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds