[Nouveau] [Bug 75985] [NVC1] HDMI audio device only visible after rescan

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75985

--- Comment #17 from Maik Freudenberg <hhfeuer at gmx.de> ---
(In reply to Ilia Mirkin from comment #16)
> So an interesting thought here is that GRUB also supports the setpci
> command
Really smart thinking but users trying it had no success. Register always
returning value 0xFFFFFFFF. Which would normally(?) mean, no device there.
Which led me to dig a bit into setpci and it seems to me that without the
kernel and its mmio, setpci is only able to work on the standard 256 pci
registers but not the extended config space. So out of luck there?

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