[mythtv] DRM VSync
Ivor Hewitt
ivor at ivor.org
Fri Apr 1 15:08:33 UTC 2005
Ivor Hewitt wrote:
> Doug Larrick wrote:
>>
>> Looking at the code... refresh rate comes from the videoout method, not
>> the vsync method. Unichrome uses XvMC, right? I can't see anything
>> weird in Myth's computation. What does xvidtune say about your vertical
>> sync rate?
>>
>
> Hi Doug,
> I'm not at the machine at the moment so I can only report the console
> output of xvidtune which might not be that useful:-
>
> # xvidtune
> Vendor: Monitor Vendor, Model: NEC LCD1850X
> Num hsync: 1, Num vsync: 1
> hsync range 0: 31.00 - 82.00
> vsync range 0: 50.00 - 85.00
>
> # xvidtune -show
> "1280x1024" 0.00 1280 0 0 0 1024 0 0 0
>
> Hmmm, could that be the problem? The driver is using a synthetic
> modeline which isn't fully populated?
>
> Regards,
>
2005-04-01 16:05:28.944 Video timing method: DRM
2005-04-01 16:05:28.945 Refresh rate: 13328, frame interval: 40000
Yay. Thanks for the tip Doug, forcing the driver to use a real modeline
and we have smooooooth video. Magic.
--
Ivor
http://www.ivor.it
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