[Nouveau] [PATCH v7 00/23] drm: Analog TV Improvements

Geert Uytterhoeven geert at linux-m68k.org
Tue Nov 8 13:42:00 UTC 2022


Hi Lukas,

On Tue, Nov 8, 2022 at 2:20 PM Lukas Satin <luke.satin at gmail.com> wrote:
> One can switch from NTSC to PAL now using (on vc4)
>
> modetest -M vc4  -s 53:720x480i -w 53:'TV mode':1 # NTSC
> modetest -M vc4  -s 53:720x576i -w 53:'TV mode':4 # PAL
>
> NTSC should be 640x480i, not 720. It will probably work on most TV's, but NTSC by the spec is 640x480i.

The above are actually the digital ("DVD Video") variants, which have 720
horizontal pixels (incl. overscan).
The analog variants do not have a fixed horizontal resolution, except
for bandwidth limitations.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds


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