[PATCH 0/6] drm/tiny/st7735r: Match up with staging/fbtft driver

Geert Uytterhoeven geert at linux-m68k.org
Tue Nov 30 08:13:45 UTC 2021


Hi Maxime,

On Mon, Nov 29, 2021 at 11:17 PM Maxime Ripard <maxime at cerno.tech> wrote:
> The problem that fbtft (and this series) wants to fix is completely
> different though: it wants to address the issue the users are facing.
> Namely, you get a cheap display from wherever, connect it to your shiny
> new SBC and wants to get something on the display.
>
> In this situation, the user probably doesn't have the knowledge to
> introduce the compatible in the kernel in the first place. But there's
> also some technical barriers there: if they use secure boot, they can't
> change the kernel (well, at least the knowledge required is far above
> what we can expect from the average user). If the platform doesn't allow

If you can change the DT, you can introduce a vulnerability to change
the kernel ;-)

> access to the DT, you can't change the DT either.

How do people connect a cheap display from wherever to their shiny
new SBC and make it work, without modifying DT?

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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