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SubjectRe: Linux 2.4.0-prerelease-ac1
On Mon, 1 Jan 2001, Alan Cox wrote:
> 2.4.0test13pre7-ac1
> o Update logo palette handling (Geert Uytterhoeven)

I forgot to fix one case: for DIRECTCOLOR visuals with 15 <= depth <= 23, the
pixel values no longer have to be offset by 16 since we use colors 0-15 now.
In addition it should work for depths starting at 12 now as well.

I'll send the full patch (including this fix) to Linus.

--- logo16-2.4.0-current/drivers/video/fbcon.c.orig Mon Jan 1 23:35:27 2001
+++ logo16-2.4.0-current/drivers/video/fbcon.c Tue Jan 2 13:42:14 2001
@@ -2143,15 +2143,15 @@
}
}
}
- else if (depth >= 15 && depth <= 23) {
- /* have 5..7 bits per color, using 16 color image */
+ else if (depth >= 12 && depth <= 23) {
+ /* have 4..7 bits per color, using 16 color image */
unsigned int pix;
src = linux_logo16;
bdepth = (depth+7)/8;
for( y1 = 0; y1 < LOGO_H; y1++ ) {
dst = fb + y1*line + x*bdepth;
for( x1 = 0; x1 < LOGO_W/2; x1++, src++ ) {
- pix = (*src >> 4) | 0x10; /* upper nibble */
+ pix = *src >> 4; /* upper nibble */
val = (pix << redshift) |
(pix << greenshift) |
(pix << blueshift);
@@ -2161,7 +2161,7 @@
for( i = bdepth-1; i >= 0; --i )
#endif
fb_writeb (val >> (i*8), dst++);
- pix = (*src & 0x0f) | 0x10; /* lower nibble */
+ pix = *src & 0x0f; /* lower nibble */
val = (pix << redshift) |
(pix << greenshift) |
(pix << blueshift);
Gr{oetje,eeting}s,
Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

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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