[mythtv-users] Help with interlaced DVI output configuration

[Joan Vallés]

>
> I'm not exactly sure how to go about doing this.  My TV's EDID info says
> that it will accept 1080i sources, and the nvidia
> driver seems to have the 1080i modes built in.  However, if I try to use
> the 1080i modes, the X log complains that the vsync is out of range.  This
> is "true" because the TV wants 60hz, but the mode is listed as 120hz.  So, I
> turn off the vertical sync mode validation.  Now it says that the 1080i
> screen size is bigger than the LCD's native resolution.  Fine, so I turn off
> the DFP native resolution mode validation.
>
> Now it works!  Except not.  X accepts the 1080i video mode, and the change
> is apparent on my TV because it is only showing the top half of the screen,
> and the horizontal scan lines are out of sync.  It's a little hard to
> explain, but it's almost like instead of drawing lines 0,1,2,3,4... it's
> drawing lines 1,0,3,2,5,4..., except making each scan line twice as big, so
> the screen only shows half of the picture.  I couldn't think of what to do
> after that.


Crhis I'm also trying to do the same with a 32" Samsung LCD (LE32R73BD) but
I had no luck :-( nvidia driver doesn't accept any mode I try, could you
please send me which options are you using? (xorg.conf, etc...)

I'd like to try myself and I'll tell you how it goes.

thks.

joan
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