[PATCH 2/2] efi: earlycon: Add support for generic framebuffers and move to fbdev subsystem

[Arnd Bergmann]

On Thu, Jul 28, 2022 at 4:28 PM Markuss Broks <markuss.broks at gmail.com> wrote:
>
> Add early console support for generic linear framebuffer devices.
> This driver supports probing from cmdline early parameters
> or from the device-tree using information in simple-framebuffer node.
> The EFI functionality should be retained in whole.
> The driver was disabled on ARM because of a bug in early_ioremap
> implementation on ARM.
>
> Signed-off-by: Markuss Broks <markuss.broks at gmail.com>
> ---
>  .../admin-guide/kernel-parameters.txt         |  12 +-
>  MAINTAINERS                                   |   5 +
>  drivers/firmware/efi/Kconfig                  |   6 +-
>  drivers/firmware/efi/Makefile                 |   1 -
>  drivers/firmware/efi/earlycon.c               | 246 --------------
>  drivers/video/fbdev/Kconfig                   |  11 +
>  drivers/video/fbdev/Makefile                  |   1 +
>  drivers/video/fbdev/earlycon.c                | 301 ++++++++++++++++++

It looks like this is not actually related to fbdev, and since drivers are
moving from fbdev/simplefb towards drm/simpledrm, maybe it would be
better to put this into either drivers/gpu/drm/tiny/ or possibly
drivers/video/console to let this be used without enabling fbdev?

        Arnd