[Nouveau] [Bug 91319] Nouveau driver cannot extract FCODE ROM / DCB Block from OpenFirmware Device tree

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91319

--- Comment #10 from Ilia Mirkin <imirkin at alum.mit.edu> ---
(In reply to Ilia Mirkin from comment #9)
> (In reply to Peter Saisanas from comment #8)
> > Hi,
> > I assume the patch is within 4.3-rc4?
> > 
> > If so, it still doesn't seem to extract the VBIOS via the OpenFirmware.
> > 
> > I have compiled and booted the 4.3-rc4 kernel and booted with
> > "nouveau.debug=debug,VBIOS=trace" which is attached.
> 
> Odd.
> 
> [   10.214404] nouveau 0000:0a:00.0: bios: trying OpenFirmware...
> [   10.214499] nouveau 0000:0a:00.0: bios: image 0 invalid
> 
> With my patch it's pretty much rigged to always accept the OF vbios. Are you
> sure you were able to apply it properly?

In fact, after my patch,

            nvkm_debug(subdev, "image %d invalid\n", idx);

is in a section that should never get hit by the OF logic (since it will
specify no_pcir=true, which in turn skips the whole image validation thing).

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