On 11/11/21 08:31, Javier Martinez Canillas wrote: [snip] >>> And for each check /proc/fb, the kernel boot log, and if Suspend-to-RAM works. >>> >>> If the explanation above is correct, then I would expect (1) and (2) to work and >>> (3) to also fail. >>> > > Your testing confirms my assumptions. I'll check how this could be solved to > prevent the efifb driver to be probed if there's already a framebuffer device. > I've posted [0] which does this and also for the simplefb driver. [0]: https://lore.kernel.org/dri-devel/20211111092053.1328304-1-javierm@xxxxxxxxxx/T/#u Best regards, -- Javier Martinez Canillas Linux Engineering Red Hat