Adjusting CRTC2 on Radeon Mobility 9000

Gus Wirth gwirth79 at
Mon Dec 31 11:01:56 PST 2007

Gus Wirth wrote:
> I have a laptop with a Radeon Mobility 9000 and the TV-out works with
> the latest xf86-vidio-ati revision (6.7.197). I set it up with:
> # xrandr --addmode S-video 800x600
> # xrandr --output S-video --mode 800x600
> # xrandr --output S-video --set tv_standard ntsc
> Then to make video from mplayer show up on the TV I do:
> xvattr -a XV_CRTC -v 1
> The only lingering problem is that the the TV image needs to be nudged
> to the left. Is there currently any way to do that? Is there any way to
> make xvidtune control CRTC 1 instead of CRTC 0?

I finally figured this out. It needs some more xrandr help. Specifically:

xrandr --output S-video --set tv_horizontal_position -5
xrandr --output S-video --set tv_horizontal_size 2

Unfortunately, the horizontal movement isn't quite enough for my TV set :(


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