Hi Maxime,
On Mon, Aug 29, 2022 at 3:30 PM Maxime Ripard <max...@cerno.tech> wrote:
> On Wed, Aug 24, 2022 at 06:42:18PM +0200, Mateusz Kwiatkowski wrote:
> > - Speaking of closed captioning... a lot of different stuff were put in the
> > blanking interval over the years. Like teletext in Europe. There are
> > projects
> > like VBIT2 <https://github.com/peterkvt80/vbit2> which intentionally
> > reconfigure the Raspberry Pi composite output to include the blanking
> > interval
> > in the framebuffer so that teletext can be output by drawing on the edge
> > of
> > the "screen" (from the computer point of view).
>
> I'm not sure how we would support this in KMS to be honest. Asking for a
> wider mode and the userspace putting whatever it wants in the margins
> seems like a good choice.
s/wider/higher/
Teletext is transmitted in the "visible" parts of (horizontal) lines, but during
the vertical blank.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@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
