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TV: fix contrast and saturation for 915/945G 

915/945G uses exponent-mantissa format instead of
fixed-point format on 965G.
This commit is contained in:
Zhenyu Wang 2008-11-11 09:36:50 +08:00
parent a5b1e62337
commit 65cd0fbb01
1 changed files with 8 additions and 3 deletions
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11
src/i830_tv.c
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@ -1180,9 +1180,14 @@ i830_tv_mode_set(xf86OutputPtr output, DisplayModePtr mode,
(i830_float_to_csc(color_conversion->bv) << 16) |
(i830_float_to_luma(color_conversion->av)));
/* 2.6 fixed point value for contrast and saturation modifier,
use 1 as default */
OUTREG(TV_CLR_KNOBS, 0x00404000);
if (IS_I965G(pI830)) {
/* 2.6 fixed point value for contrast and saturation modifier,
use 1 as default */
OUTREG(TV_CLR_KNOBS, 0x00404000);
} else {
/* 915/945 uses 2 bits exponent and 6 bits mantissa format */
OUTREG(TV_CLR_KNOBS, 0x00606000);
}
OUTREG(TV_CLR_LEVEL, ((video_levels->black << TV_BLACK_LEVEL_SHIFT) |
(video_levels->blank << TV_BLANK_LEVEL_SHIFT)));
{