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authorAntonino A. Daplas <adaplas@gmail.com>2007-07-17 11:05:37 (GMT)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-17 17:23:12 (GMT)
commit9058be43cf9f32b6c636aa6954b4f1a6b22098f6 (patch)
tree1702628f2091d5a1bdeca4ec1746319603bf1567 /drivers/video/gbefb.c
parentc771eba1fe7168d6f2cbc52efa55b3838bd05b05 (diff)
downloadlinux-9058be43cf9f32b6c636aa6954b4f1a6b22098f6.tar.xz
gbefb: the pseudo_palette is only 16 elements long
The pseudo_palette is only 16 elements long. 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>
Diffstat (limited to 'drivers/video/gbefb.c')
-rw-r--r--drivers/video/gbefb.c41
1 files changed, 21 insertions, 20 deletions
diff --git a/drivers/video/gbefb.c b/drivers/video/gbefb.c
index bf0e60b..b9b572b 100644
--- a/drivers/video/gbefb.c
+++ b/drivers/video/gbefb.c
@@ -86,7 +86,7 @@ static int gbe_revision;
static int ypan, ywrap;
-static uint32_t pseudo_palette[256];
+static uint32_t pseudo_palette[16];
static char *mode_option __initdata = NULL;
@@ -854,8 +854,7 @@ static int gbefb_setcolreg(unsigned regno, unsigned red, unsigned green,
green >>= 8;
blue >>= 8;
- switch (info->var.bits_per_pixel) {
- case 8:
+ if (info->var.bits_per_pixel <= 8) {
/* wait for the color map FIFO to have a free entry */
for (i = 0; i < 1000 && gbe->cm_fifo >= 63; i++)
udelay(10);
@@ -864,23 +863,25 @@ static int gbefb_setcolreg(unsigned regno, unsigned red, unsigned green,
return 1;
}
gbe->cmap[regno] = (red << 24) | (green << 16) | (blue << 8);
- break;
- case 15:
- case 16:
- red >>= 3;
- green >>= 3;
- blue >>= 3;
- pseudo_palette[regno] =
- (red << info->var.red.offset) |
- (green << info->var.green.offset) |
- (blue << info->var.blue.offset);
- break;
- case 32:
- pseudo_palette[regno] =
- (red << info->var.red.offset) |
- (green << info->var.green.offset) |
- (blue << info->var.blue.offset);
- break;
+ } else if (regno < 16) {
+ switch (info->var.bits_per_pixel) {
+ case 15:
+ case 16:
+ red >>= 3;
+ green >>= 3;
+ blue >>= 3;
+ pseudo_palette[regno] =
+ (red << info->var.red.offset) |
+ (green << info->var.green.offset) |
+ (blue << info->var.blue.offset);
+ break;
+ case 32:
+ pseudo_palette[regno] =
+ (red << info->var.red.offset) |
+ (green << info->var.green.offset) |
+ (blue << info->var.blue.offset);
+ break;
+ }
}
return 0;