Running Quadro M1000M, no crash running Nouveau (just poor perf as
everybody)

Well, if I select intel through prime, the line nouveau.run-pm=0 is put in 
kernel parameters in grub. I've excluded nvidia & nouveau from runtime pm in 
tlp, to not interfere here.
The result is that I get 15 W power usage.

If I delete the nouveau.run-pm=0 kernel option & update grub, and if I
do not exclude nvidia nouveau from runtime pm in TLP, I get 5 W running
the same backlight & wifi settings.

cat /sys/kernel/debug/vgaswitcheroo/switch shows
0:IGD:+:Pwr:0000:00:02.0
1:DIS: :Off:0000:01:00.0
too, but anyway the FACT is that the power usage on my Dell 7510 is much 
higher, and is 100 % related to some stuff involving nvidia/prime.

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https://bugs.launchpad.net/bugs/1765363

Title:
  prime-select intel is not powering off the nvidia card

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