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authorAndre Renaud <andre@bluewatersys.com>2013-02-13 17:48:00 +0000
committerAnatolij Gustschin <agust@denx.de>2013-03-21 10:50:42 +0100
commit317461c1db97abef243964ae4c7cc7d3485ec73f (patch)
treee0797848774ed11f22d8e7faa6d24c11a54a7d5e
parenta5796c51ce87870cde39c0b9cd29ac775d0fb514 (diff)
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Fix bitmap offsets for non 8-bit LCDs
Currently bitmap logos don't interpret the X coordinate correctly if the bpp is anything other than 8. Signed-off-by: Andre Renaud <andre@bluewatersys.com>
-rw-r--r--common/lcd.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/common/lcd.c b/common/lcd.c
index 92debaf..195f1de 100644
--- a/common/lcd.c
+++ b/common/lcd.c
@@ -611,15 +611,16 @@ void bitmap_plot(int x, int y)
immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
cpm8xx_t *cp = &(immr->im_cpm);
#endif
+ unsigned bpix = NBITS(panel_info.vl_bpix);
debug("Logo: width %d height %d colors %d cmap %d\n",
BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS,
ARRAY_SIZE(bmp_logo_palette));
bmap = &bmp_logo_bitmap[0];
- fb = (uchar *)(lcd_base + y * lcd_line_length + x);
+ fb = (uchar *)(lcd_base + y * lcd_line_length + x * bpix / 8);
- if (NBITS(panel_info.vl_bpix) < 12) {
+ if (bpix < 12) {
/* Leave room for default color map
* default case: generic system with no cmap (most likely 16bpp)
* cmap was set to the source palette, so no change is done.
@@ -670,7 +671,7 @@ void bitmap_plot(int x, int y)
}
else { /* true color mode */
u16 col16;
- fb16 = (ushort *)(lcd_base + y * lcd_line_length + x);
+ fb16 = (ushort *)fb;
for (i = 0; i < BMP_LOGO_HEIGHT; ++i) {
for (j = 0; j < BMP_LOGO_WIDTH; j++) {
col16 = bmp_logo_palette[(bmap[j]-16)];