Re: lcd resolution scaling?
On Sun, 2003-08-17 at 08:44, Lee Braiden wrote:
> On Sunday 17 Aug 2003 1:10 am, Thomas Otto wrote:
> > > Do ibook kernels support scaling of other resolutions to a laptop's
> > > native res? I understand the rage mobility can do this with little or no
> > > (in later revisions?) performance loss, and it would solve some issues
> > > nicely, such as mol support, hard-coded games, etc.
> >
> > Try Ctrl Alt +/- which will switch to lower resolutions if your
> > XF86Config-4 is set up for this. Here I have
> > Modes "1024x768" "800x600" "640x480"
> > Which all work fine.
> >
> > If you mean if some 300x200 pixel resolution which is below the LCD
> > resolution can be scaled up by X - I don't know that.
The LCD has a fixed resolution, so 800x600 and 640x480 are no different
in this regard.
> Yes, that's what I mean. If I ctrl-alt-+ to 640x480, for example, I get
> normal 1024x768 resolution, but only see a 640x480 window, and a few ugly
> copies of it in the other 'quarters'.
Does your iBook have a Rage128 or Radeon graphics chip? This is possible
with the latter given the right mode definitions, but requires patching
aty128fb for the former.
> > > On a related note, is there a simple way to make a 1024x768 console
> > > display 80x25, such as loading a large font, or something?
> >
> > Only from my experience from x86, I don't know if this also applies to
> > PPC: The parameter "vga = <number>" ('791' here) enables certain
> > framebuffer modes, I guess google for possible values that use simple VGA.
>
> I'm assuming this would have the same issue, but I haven't really
> experimented, since I'm not sure of the numbers on ppc. I still have to try
> vga=ask or something...
No VGA on Macs. You'd probably have to use fbset with suitable modes
defined in /etc/fb.modes .
--
Earthling Michel Dänzer \ Debian (powerpc), XFree86 and DRI developer
Software libre enthusiast \ http://svcs.affero.net/rm.php?r=daenzer
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