Very Computer

This patch fixes some issues with the frame buffer device penguin logo code.

Bug list:
  - The colors for the 16 color logo are wrong. We used a hack to give the logo
    its own color palette, but this no longer works as a side effect of a
    console color map bug being fixed a while ago. The solution is to replace
    the logo with a new one that uses the standard VGA console palette.
  - There are still some politically-incorrect (PI) logos of a penguin holding
    a glass of beer or wine (or perhaps even worse? :-).

Changes:
 1. Update the frame buffer console code to no longer change the palette when
    displaying the 16 color logo. Remove the tricks to load the logo palette
    in unused palette entries on displays with >= 32 colors.
 2. Replace the PI 16 color Penguin-with-beer logo by a new one, derived from
    the 224 color logo.
 3. Remove a superfluous include from drivers/char/console.c. The logo code was
    moved to drivers/video/fbcon.c a long time ago.
 4. Replace the PI black & white Penguin-with-beer logo by a new one, derived
    from the PostScript version on Larry Ewing's webpage.
 5. Remove drivers/sgi/char/linux_logo.h (containing a PI 224 color
    Penguin-with-beer logo) since it's no longer used.
 6. Remove the PI black & white Penguin-with-wine logo used on SPARC and
    SPARC64. Use the generic logo instead.
 7. Move linux_logo_* prototypes to <linux/linux_logo.h>.
 8. Simplify the logo selection logic in arch-specific <asm-xxx/linux_logo.h>.
    If you want to have an arch-specific logo, #define ARCH_LINUX_LOGO* and
    declare your data (if INCLUDE_LINUX_LOGO_DATA is defined).

Changes 1, 2 and 3 are already present in Alan's tree.
Change 5 is already present in the Linux/MIPS CVS tree.

Patches (for both 2.4.3-pre3 and 2.4.2-ac14) can be downloaded from:

    http://home.tvd.be/cr26864/Linux/fbdev/logo.html

This page also shows the old and new logos, and includes a tool to extract
logos in PNM format from the kernel sources (in case you don't trust me :-).

Gr{oetje,eeting}s,

                                                Geert

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Quote:Geert Uytterhoeven writes:
>   - The colors for the 16 color logo are wrong. We used a hack to
>     give the logo its own color palette, but this no longer works
>     as a side effect of a console color map bug being fixed a while
>     ago. The solution is to replace the logo with a new one that
>     uses the standard VGA console palette.

Quote:>   - There are still some politically-incorrect (PI) logos of a penguin
>     holding a glass of beer or wine (or perhaps even worse? :-).

The arch-specific logos look bad in general, and the swirly gray
background isn't so great either. Why not use the original image?

Quote:> Changes:
>  1. Update the frame buffer console code to no longer change the
>     palette when displaying the 16 color logo. Remove the tricks
>     to load the logo palette in unused palette entries on displays
>     with >= 32 colors.

1. the 16 VGA colors and extra 4 Windows colors (so Wine can work)
2. the 216 Netscape colors
3. gray: 0x00, 0x11, 0x22... 0xff, plus both 0x7f and 0x80
4. everything else reserved for future global allocation

The current situation is way too painful to use.

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Quote:

> > Changes:
> >  1. Update the frame buffer console code to no longer change the
> >     palette when displaying the 16 color logo. Remove the tricks
> >     to load the logo palette in unused palette entries on displays
> >     with >= 32 colors.

> I used to have only 256 colors on my display. I upgraded because
> there still isn't a global system palette. I'd have been happy
> enough with 256 colors allocated in a sane way, for kernel & X:

> 1. the 16 VGA colors and extra 4 Windows colors (so Wine can work)
> 2. the 216 Netscape colors
> 3. gray: 0x00, 0x11, 0x22... 0xff, plus both 0x7f and 0x80
> 4. everything else reserved for future global allocation

> The current situation is way too painful to use.