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fbdev: Fix logo if logo depth is less than framebuffer depth 

The VGA16 logo (bpp = 4) and monochrome logo (bpp = 1) do not contain any
color information (no CLUT).  If the fb depth is > logo depth, these logo's
will not properly display. Fix by using the console palette instead of
creating a new one.

Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Antonino A. Daplas 2007-07-31 00:37:36 -07:00 committed by Linus Torvalds
parent c81f717cb9
commit 1692b37c99
1 changed files with 26 additions and 16 deletions
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42
drivers/video/fbmem.c
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@ -244,8 +244,17 @@ static void fb_set_logo(struct fb_info *info,
u8 xor = (info->fix.visual == FB_VISUAL_MONO01) ? 0xff : 0;
u8 fg = 1, d;
if (fb_get_color_depth(&info->var, &info->fix) == 3)
switch (fb_get_color_depth(&info->var, &info->fix)) {
case 1:
fg = 1;
break;
case 2:
fg = 3;
break;
default:
fg = 7;
break;
}
if (info->fix.visual == FB_VISUAL_MONO01 ||
info->fix.visual == FB_VISUAL_MONO10)
@ -564,21 +573,6 @@ int fb_prepare_logo(struct fb_info *info, int rotate)
depth = 4;
}
if (depth >= 8) {
switch (info->fix.visual) {
case FB_VISUAL_TRUECOLOR:
fb_logo.needs_truepalette = 1;
break;
case FB_VISUAL_DIRECTCOLOR:
fb_logo.needs_directpalette = 1;
fb_logo.needs_cmapreset = 1;
break;
case FB_VISUAL_PSEUDOCOLOR:
fb_logo.needs_cmapreset = 1;
break;
}
}
/* Return if no suitable logo was found */
fb_logo.logo = fb_find_logo(depth);
@ -604,6 +598,22 @@ int fb_prepare_logo(struct fb_info *info, int rotate)
else
fb_logo.depth = 1;
if (fb_logo.depth > 4 && depth > 4) {
switch (info->fix.visual) {
case FB_VISUAL_TRUECOLOR:
fb_logo.needs_truepalette = 1;
break;
case FB_VISUAL_DIRECTCOLOR:
fb_logo.needs_directpalette = 1;
fb_logo.needs_cmapreset = 1;
break;
case FB_VISUAL_PSEUDOCOLOR:
fb_logo.needs_cmapreset = 1;
break;
}
}
return fb_prepare_extra_logos(info, fb_logo.logo->height, yres);
}