Re: [Linux-fbdev-devel] [PATCH 2.6][RESEND] fbcon margins colourfix

[Geert Uytterhoeven]

On Thu, 18 Mar 2004, Jakub Bogusz wrote:
> On Thu, Mar 18, 2004 at 10:21:31AM +0100, Geert Uytterhoeven wrote:
> > On Thu, 18 Mar 2004, Jakub Bogusz wrote:
> > > I sent it a few times to linux-kernel and at least one to
> > > linux-fbdev-devel, but haven't seen any comments - and this annoying
> > > changing margins colour seems to be still there in 2.6.4 (at least on
> > > tdfxfb).
> >
> > What happens on `reverse video' (i.e. black on white, like Sun) graphics cards?
> > In that case the overscan color is white.
>
> Uhm. What is palette entry for this white?

0, on pseudocolor displays. So probably it's OK.

> Or, more generally, how to find (palette colour number of) overscan
> colour for current console?
> Video erase character colour is not proper one as it may be different
> even from background colour at the moment of vt switch.

There's no standardized way for that. So it may depend on the driver. I know
ATI Mach64 has a special register for the overscan color, which is always set
to black, IIRC.

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

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
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