[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 #18 from Fede <fedevx at yahoo.com> ---
(In reply to Maik Freudenberg from comment #17)
> (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?


I can confirm this. It does not work from GRUB. The best work-around so far is
to have a service do the setpci step before the nvidia drivers are loaded and
display-manager.service starts (for those on systemd).

-- 
You are receiving this mail because:
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/nouveau/attachments/20171015/6588268c/attachment.html>