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

Arnd Bergmann
2022-07-28T14:48:57Z

On Thu, Jul 28, 2022 at 4:28 PM Markuss Broks <markuss.broks@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@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