Hi, On Monday, November 9, 2020 5:49:49 PM CET Rafael J. Wysocki wrote: > > Even after the changes made very recently, the handling of the powersave > governor is not exactly as expected when intel_pstate operates in the > "passive" mode with HWP enabled. > > Namely, in that case HWP is not limited to the policy min frequency, but it > can scale the frequency up to the policy max limit and it cannot be > constrained > currently, because there are no provisions for that in the framework. > > To address that, patches [1-3/4] add a new governor flag to indicate that this > governor wants the target frequency to be set to the exact value passed to the > driver, if possible, and change the powersave and performance governors to > have > that flag set. > > The last patch makes intel_pstate take that flag into account when programming > the HWP Request MSR.
The v3 simply uses different names for the new governor flags. Thanks!
