http://bugs.freedesktop.org/show_bug.cgi?id=24150





--- Comment #8 from Alex Deucher <ag...@yahoo.com>  2009-10-08 07:40:05 PST ---
(In reply to comment #7)
> 
> I've found through testing that the difference here is that kms is using NTSC
> and ums is using PAL. Researching it seems that my old PAL CRT does offer NTSC
> support.
> 
> Testing shows that the frequency of the modeline as shown by xrandr in either
> case does not change anything - it's 59.94 using kms or 50 using ums.
> 

The modelines reported by xrandr for tv-out are irrelevant.  There just there
to provide access to different scaled modes.  The driver programs the tv-out hw
directly with the native timing of either NTSC or PAL.  You can use xrandr to
select the tv standard (NTSC or PAL) however.  e.g.,
xrandr --output DIN --set "tv standard" "pal"
You may have to double check the property names with kms (xrandr --verbose).


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