<p><br>
On Oct 4, 2012 3:03 PM, "Boleslaw Ciesielski" <<a href="mailto:bc-mythtv@comcast.net">bc-mythtv@comcast.net</a>> wrote:<br>
><br>
> On 10/03/2012 09:25 PM, Nick Rout wrote:<br>
>><br>
>> I have an nVidia (ION2) graphics card and xrandr reports:<br>
>><br>
>> $xrandr|grep 1920<br>
>> Screen 0: minimum 320 x 175, current 1920 x 1080, maximum 1920 x 1080<br>
>> default connected 1920x1080+0+0 0mm x 0mm<br>
>> 1920x1080 50.0* 51.0 52.0 53.0 54.0 55.0<br>
>> 56.0 57.0 58.0<br>
>><br>
>> the judder free page on the wiki says:<br>
>><br>
>> "With nvidia adapters however, nvidia has put a work around this<br>
>> limitation [ie that XRANDR only supports integers] by presenting a<br>
>> unique refresh rate per screen configuration. So it will show as the<br>
>> list of available rates: 50, 51, 52, 53 etc... when 50 is 50Hz, 51 is<br>
>> 59.97, 52 is 60Hz etc... "<br>
>><br>
>> Is there a fixed correlation between the integers that xrandr reports<br>
>> and the actual refresh rates? I cannot find this documented anywhere.<br>
><br>
><br>
> These numbers do not have any meaning. They are basically unique identifiers for available modes.<br>
><br>
> But you must be using an older driver. In newer drivers this has changed. See <a href="http://www.gossamer-threads.com/lists/mythtv/users/529400#529400">http://www.gossamer-threads.com/lists/mythtv/users/529400#529400</a><br>
</p>
<p>Yes it was that thread that prompted me to look into it. I am using 195.36 on mythbuntu 10.04 and 295.20 on linhes 7.4.<br></p>
<p>><br>
> Bolek<br>
><br>
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