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| author | Geert Uytterhoeven <geert@linux-m68k.org> | 2022-07-11 17:50:28 +0200 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2022-07-18 07:56:18 +0200 |
| commit | 35fa155e836833fdd5744c5237aca7e2c2c31e03 (patch) | |
| tree | 6342e9d2b90098cedcdeb398365ea999fc88a348 /drivers/video | |
| parent | video: fbdev: atari: Fix inverse handling (diff) | |
| download | linux-35fa155e836833fdd5744c5237aca7e2c2c31e03.tar.xz linux-35fa155e836833fdd5744c5237aca7e2c2c31e03.zip | |
video: fbdev: atari: Fix ext_setcolreg()
The red, green, and blue color values are 16-bit, while the external
graphics hardware registers are 8-bit.
Add the missing conversion from 16-bit to 8-bit.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Tested-by: Michael Schmitz <schmitzmic@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/fbdev/atafb.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/video/fbdev/atafb.c b/drivers/video/fbdev/atafb.c index 39c3b860a797..a36cd8f1f420 100644 --- a/drivers/video/fbdev/atafb.c +++ b/drivers/video/fbdev/atafb.c @@ -2206,6 +2206,10 @@ static int ext_setcolreg(unsigned int regno, unsigned int red, if (regno > 255) return 1; + red >>= 8; + green >>= 8; + blue >>= 8; + switch (external_card_type) { case IS_VGA: OUTB(0x3c8, regno); |