[Nouveau] [Bug 77574] Minor screen corruption on NVAF card

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=77574

--- Comment #4 from Ilia Mirkin <imirkin at alum.mit.edu> ---
(In reply to comment #3)
> > You seem to have a nouveau.config=PCE0=0 somewhere.
> 
> I'll try to track it down. Could it be the issue?

I checked the code... there's a

    bool enable = (nv_device(parent)->chipset != 0xaf);

So that's probably the reason why it's disabled. No idea why that's the case on
NVAF, but I'm guessing that the person who put that in knew what they were
doing.

It also shouldn't cause problems for it to be disabled, I was just curious why
it was.

> 
> > Are there other options set?
> 
> Where can I look at the list? /etc/modprobe.d/ is empty now
> 
> > Is the resume issue a new one? (i.e. did it work OK with older kernels?)
> 
> Earlier there was Debian. With kernel 3.10 it was worse - dashed line
> persisted even on clean boot (without suspend -> wake).

Hm, OK. Sorry, no great advice from me :(

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