Hi Maxime, On Mon, Aug 29, 2022 at 3:30 PM Maxime Ripard <maxime@xxxxxxxxxx> 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 -- geert@xxxxxxxxxxxxxx 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
