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| author | Antonino A. Daplas <adaplas@gmail.com> | 2006-02-24 13:04:20 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-02-24 14:31:39 -0800 |
| commit | ee713059d4922e4ee17700496d9eb3b95b1ab836 (patch) | |
| tree | fe56c8f04342938813edce2bb0c92a984b125457 | |
| parent | cacfc8cf4ed6e05a0d9a8bd17ab85536abd0f6c5 (diff) | |
| download | linux-3.10-ee713059d4922e4ee17700496d9eb3b95b1ab836.tar.gz linux-3.10-ee713059d4922e4ee17700496d9eb3b95b1ab836.tar.bz2 linux-3.10-ee713059d4922e4ee17700496d9eb3b95b1ab836.zip | |
[PATCH] Fix pseudo_palette setup in asiliantfb_setcolreg()
The setcolreg function will attempt to write 24 color entries to the
pseudo_pallette. However, the pseudo_palette has only space for 16 entries.
Thanks to Atsushi Nemoto for reporting this bug.
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | drivers/video/asiliantfb.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/video/asiliantfb.c b/drivers/video/asiliantfb.c index 69f75547865..c924d81f797 100644 --- a/drivers/video/asiliantfb.c +++ b/drivers/video/asiliantfb.c @@ -322,32 +322,29 @@ static int asiliantfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, writeb(green, mmio_base + 0x791); writeb(blue, mmio_base + 0x791); - switch(p->var.bits_per_pixel) { - case 15: - if (regno < 16) { + if (regno < 16) { + switch(p->var.red.offset) { + case 10: /* RGB 555 */ ((u32 *)(p->pseudo_palette))[regno] = ((red & 0xf8) << 7) | ((green & 0xf8) << 2) | ((blue & 0xf8) >> 3); - } - break; - case 16: - if (regno < 16) { + break; + case 11: /* RGB 565 */ ((u32 *)(p->pseudo_palette))[regno] = ((red & 0xf8) << 8) | ((green & 0xfc) << 3) | ((blue & 0xf8) >> 3); - } - break; - case 24: - if (regno < 24) { + break; + case 16: /* RGB 888 */ ((u32 *)(p->pseudo_palette))[regno] = (red << 16) | (green << 8) | (blue); + break; } - break; } + return 0; } |