Hello Thomas, On Tue, Nov 30, 2021 at 9:31 AM Thomas Zimmermann <tzimmermann@xxxxxxx> wrote: > Am 30.11.21 um 07:44 schrieb Javier Martinez Canillas: [snip] > > > > I think that instead it could be done in the sysfb_create_simplefb() > > function [0], which already creates the "simple-framebuffer" device > > for x86 legacy BIOS and x86/arm64/riscv EFI so it makes sense to do > > the same for OF. That way the simplefb platform device registration > > code could also be dropped from the driver and users would just need > > to enable CONFIG_SYSFB and CONFIG_SYSFB_SIMPLEFB to have the same. > > > > I have a couple of boards with a bootloader that populates a > > "simple-framebuffer" in the /chosen node so I could attempt to write > > the patches. But probably won't happen until next week. > > IMHO it's better to keep the OF-related setup in the OF code. The sysfb > code is for screen_info. We can try to find common code for OF and sysfb > that then lives in a shared location. > Ok. As long as we don't end with code duplication then that works for me too. > Using a single global screen_info variable is somewhat awkward these > days. In the long term, I can think of pushing sysfb code into > architectures. Each architecture would then setup the platform devices > that it supports. But that's not really important right now. > That makes sense. And provide a set of helpers as you mentioned that could be shared across the different architectures and firmware interfaces. Best regards, Javier