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[PATCH] fbcon: Fix big-endian bogosity in slow_imageblit()

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The monochrome->color expansion routine that handles bitmaps which have
(widths % 8) != 0 (slow_imageblit) produces corrupt characters in big-endian.
This is caused by a bogus bit test in slow_imageblit().

Fix.

Signed-off-by: Antonino Daplas <adaplas@pol.net>
Acked-by: Herbert Poetzl <herbert@13thfloor.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Antonino A. Daplas
2006-03-27 21:11:44 +08:00
committed by Greg Kroah-Hartman
parent 41ccbdde2b
commit ecb5414cdc
2 changed files with 1 additions and 3 deletions
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drivers/video/cfbimgblt.c
+1 -1
View File
@@ -169,7 +169,7 @@ static inline void slow_imageblit(const struct fb_image *image, struct fb_info *
while (j--) {
l--;
color = (*s & 1 << (FB_BIT_NR(l))) ? fgcolor : bgcolor;
color = (*s & (1 << l)) ? fgcolor : bgcolor;
val |= FB_SHIFT_HIGH(color, shift);
/* Did the bitshift spill bits to the next long? */
include/linux/fb.h
-2
View File
@@ -839,12 +839,10 @@ struct fb_info {
#define FB_LEFT_POS(bpp) (32 - bpp)
#define FB_SHIFT_HIGH(val, bits) ((val) >> (bits))
#define FB_SHIFT_LOW(val, bits) ((val) << (bits))
#define FB_BIT_NR(b) (7 - (b))
#else
#define FB_LEFT_POS(bpp) (0)
#define FB_SHIFT_HIGH(val, bits) ((val) << (bits))
#define FB_SHIFT_LOW(val, bits) ((val) >> (bits))
#define FB_BIT_NR(b) (b)
#endif
/*