[Nouveau] [Bug 91779] Pure EFI: MacBookPro3, 1 (NV84) fails to load nouveau on linux 4.1 -- Invalid ROM contents

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91779

--- Comment #10 from Ilia Mirkin <imirkin at alum.mit.edu> ---
(In reply to Jeremy Huddleston from comment #9)
> BTW, copying /sys/kernel/debug/dri/0/vbios.rom to /lib/firmware when in
> BIOS-emulation mode has allowed me to get nouveau loaded when in pure EFI
> mode via:
> 
> $ sudo modprobe nouveau config=NvBios=vbios.rom

Hmmm... looking at your logs it doesn't appear to get executed. Or perhaps
nouveau printed different things with 3.13. Try doing like

config=NvBios=vbios.rom,NvForcePost=1

which should force it to exec the vbios and hopefully reset the card to a more
expected state.

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