I'm trying to display the bootup logo on a monochrome LCD (1 bit per
pixel). I had to hack fbmem.c in a couple of place to make it
works. I'm wondering now if these changes are correct since I'm not
familiar with this code. Could anybody take a look and tell me ?
Thanks
Franck
-- >8 --
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index 17961e3..8c9d51f 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -247,6 +247,7 @@ static void fb_set_logo(struct fb_info *
const struct linux_logo *logo, u8 *dst,
int depth)
{
+ u32 bpp = info->var.bits_per_pixel;
int i, j, k;
const u8 *src = logo->data;
u8 xor = (info->fix.visual == FB_VISUAL_MONO01) ? 0xff : 0;
@@ -275,9 +276,14 @@ static void fb_set_logo(struct fb_info *
for (i = 0; i < logo->height; i++) {
for (j = 0; j < logo->width; src++) {
d = *src ^ xor;
- for (k = 7; k >= 0; k--) {
- *dst++ = ((d >> k) & 1) ? fg : 0;
+ if (bpp == 1) {
+ *dst++ = d;
j++;
+ } else {
+ for (k = 7; k >= 0; k--) {
+ *dst++ = ((d >> k) & 1) ? fg : 0;
+ j++;
+ }
}
}
}
@@ -487,7 +493,6 @@ int fb_show_logo(struct fb_info *info, i
if (fb_logo.logo == NULL || info->state != FBINFO_STATE_RUNNING)
return 0;
- image.depth = 8;
image.data = fb_logo.logo->data;
if (fb_logo.needs_cmapreset)
@@ -506,6 +511,9 @@ int fb_show_logo(struct fb_info *info, i
saved_pseudo_palette = info->pseudo_palette;
info->pseudo_palette = palette;
+ } else {
+ image.fg_color = 1;
+ image.bg_color = 0;
}
if (fb_logo.depth <= 4) {
@@ -525,6 +533,7 @@ int fb_show_logo(struct fb_info *info, i
image.dy = 0;
image.width = fb_logo.logo->width;
image.height = fb_logo.logo->height;
+ image.depth = fb_logo.depth;
if (rotate) {
logo_rotate = kmalloc(fb_logo.logo->width *
-
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