[Nouveau] [Bug 101404] GTX 970M (GM204-A) not powered off when not in use (DynPwr in stead of DynOff)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101404

--- Comment #10 from Benny Ammitzbøll <benny at ammitzboell-consult.dk> ---
(In reply to Peter Wu from comment #9)
> (In reply to Benny Ammitzbøll from comment #8)
> 
> > Hmm, ok, I do have laptop_mode enabled, so I tried stopping that, but still
> > see "Bad" for those when on AC?
> 
> Have you removed the pcie_port_pm=off option?
> Is the nouveau driver loaded?

Didn't know I had to do that. Without the pcie_port_pm=off option I do get
"Good" initially (on AC). When on battery, power use is high (28W vs. 16-18W)
though state is DynOff. When I plug in AC again, Nvidia card is "Bad" again
(and DynPwr).

So for now I think I'll stick with pcie_port_pm=off.

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