[Intel-gfx] [PATCH] TV: fix default contrast and saturation modifier

[Zhenyu Wang]

Color knobs was set with higher modifier which caused strong color
on TV screen. Setting fixed point modifier to default 1.0 makes picture
on TV look nicer.
---
 src/i830_tv.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/src/i830_tv.c b/src/i830_tv.c
index de0e15d..4063588 100644
--- a/src/i830_tv.c
+++ b/src/i830_tv.c
@@ -1179,7 +1179,9 @@ i830_tv_mode_set(xf86OutputPtr output, DisplayModePtr mode,
 	    (i830_float_to_csc(color_conversion->bv) << 16) |
 	    (i830_float_to_luma(color_conversion->av)));
 
-    OUTREG(TV_CLR_KNOBS, 0x00606000);
+    /* 2.6 fixed point value for contrast and saturation modifier,
+       use 1 as default */
+    OUTREG(TV_CLR_KNOBS, 0x00404000);
     OUTREG(TV_CLR_LEVEL, ((video_levels->black << TV_BLACK_LEVEL_SHIFT) |
 		(video_levels->blank << TV_BLANK_LEVEL_SHIFT)));
     {
-- 
1.5.6.5