Re: [Linux-fbdev-devel] Re: FBdev updates.

Sven Luther (luther@dpt-info.u-strasbg.fr)
Thu, 6 Mar 2003 08:35:08 +0100


On Wed, Mar 05, 2003 at 08:22:26PM +0000, James Simmons wrote:
>
> > Hi,
> > while waiting on these updates I updated matroxfb a bit
> > (ftp://platan.vc.cvut.cz/pub/linux/matrox-latest/matroxfb-2.5.63.gz),
> > so that it now uses fb_* for cfb modes, and putcs/... hooks for
> > text mode. I have still dozen of changes in fbcon.c which I have
> > to eliminate (mainly logo painting and cursor handling - for now
> > I still use revc method, mainly because of I did not make into it yet).
>
> I grabbed your latest patch and started to merge it with my latest work on
> the matrox driver. As soon as I'm done merging my matrox changes I will
> send you a patch right away.
>
> > My main concern now is 12x22 font... Accelerator setup
> > is so costly for each separate painted character that for 8bpp
> > accelerated version is even slower than unaccelerated one :-(
> > (and almost twice as slow when compared with 2.4.x).
>
> Try the latest patch I released.
>
> > And one (or two...) generic questions: why is not pseudo_palette
> > u32* pseudo_palette, or even directly u32 pseudo_palette[17] ?
>
> pseudo_palette was originally designed to be a pointer to some kind of
> data for color register programming. For example many PPC graphics cards
> have a color register region. Now you could have that point to

Does this correspond to the LUT i have in my boards ?

BTW, what is the point in having a pseudo_palette if you can store
the colors in the onchip LUT table.

Friendly,

Sven Luther
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