Created attachment 107784 [details] [review]
disable ulv state on SI

(In reply to Alexandre Demers from comment #16)
> Alex, I think this "ERROR" should be at most a warning: I've been commenting
> out the "return ret" when we hit the error, and everything else goes as
> smooth as possible.
> 
> Also, do you have any clue on the way we should dig to understand why we are
> hitting this error? As said by Samir, this appeared with dpm.

It's part of dpm so it only happens when dpm is enabled.  ulv is a special low
power state the card can go to in certain idle cases.

Does the attached patch help?