Re: [PATCH 00/12] Recover sysfb after DRM probe failure

Gerd Hoffmann
2026-01-15T16:36:57Z

Hi,

> > At least for AMD GPUs remove_conflicting_devices() really early is
> > necessary because otherwise some operations just result in a
> > spontaneous system reboot.

> It's similar for Intel. For us VGA emulation won't be used for EFI
> boot, but we still can't have the previous driver poking around in
> memory while the real driver is initializing. The entire memory layout
> may get completely shuffled so there's no telling where such memory
> accesses would land.

Can you do stuff like checking which firmware is needed and whenever
that can be loaded from the filesystem before calling
remove_conflicting_devices() ?

take care,
Gerd