Re: [Linux-fbdev-devel] Re: kernel: matrox fb - missing files, doesn't compile

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

On 15 Dec 2002, Antonino Daplas wrote:
> On Sun, 2002-12-15 at 03:44, Petr Vandrovec wrote:
> > What if I'll decide to paint characters through busmastering? Then
> > I need font data in buffers allocated by pci_alloc_consistent...
> > In the past it was not a win to use busmastering, but now, when
> > upper layers might prepare images much larger than 8x16, it may be 
> > worth of rechecking that...
> 
> True, using kmalloc() to cache a good-sized pixmap is probably not the
> best idea in all cases (in my case, it is best when the pixmap is in
> graphics memory). I submitted a proposal before that allows more
> flexibility: it will let the drivers decide on how it wants the buffers
> allocated, the size of the buffer, specific alignment requirements, or
> if it even actually needs one. Other driver-specific needs can probably
> be added if necessary.

Add address/size fields in fb_info to let the driver tell it already allocated
a suitable buffer? If those are NULL, fbcon can fall back to its own buffer
(e.g. static and fixed 8 kiB buffer).

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