[mythtv-users] Any hope for 1080i content at 1080i with nVidia?

Doug Larrick doug at parkercat.org
Thu Aug 23 23:56:12 UTC 2007


Seth Daniel wrote:

> I don't know if it's the TV, the driver, or just my incompetence, but I
> cannot get 1920x540 (the 540pw mode described in the above link) to
> work.  My custom 1080i mode is:
> 
>   Mode "1080i"
>     DotClock 74.25
>     HTimings   1920 2008 2052 2200
>     VTimings   1080 1084 1089 1124
>     Flags      "Interlace" "+HSync" "+VSync"
>   EndMode
> 
> For the 540pw mode I changed it to:
> 
>   Mode "540pw"
>     DotClock   79.912
>     HTimings   1920 2008 2052 2200
>     VTimings   540   542  544  562
>     Flags      "+HSync" "+VSync"
>   EndMode

If you have a working 1080i mode, you want the 540pw vertical timings to
be *exactly* half of the corresponding numbers in the 1080i mode.
Everything else should be identical.  You want the TV to think it's
still receiving a 1080i mode.

-Doug

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