[mythtv-users] IONITX-C tearing 1080p

Andrew Gallatin gallatin at cs.duke.edu
Mon Dec 7 15:33:59 UTC 2009

Chad Voelker [chad.voelker at gmail.com] wrote:
> Maybe, I need to play with the refresh rate via xrandr? This is what it 
> reports:
> Screen 0: minimum 320 x 175, current 1920 x 1080, maximum 1920 x 1080
> default connected 1920x1080+0+0 0mm x 0mm
>   1920x1080      50.0*    51.0     52.0     53.0
>   1680x1050      54.0     55.0

The refresh rate reporting via xrandr will be
incorrect on Nvidia unless you disable DynamicTwinView

 Option         "DynamicTwinView" "False"

Seeing 50Hz in xrandr rather than 60Hz drove me nuts until
somebody pointed this out to me.


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