Hi All, There is a problem in intel_pstate that if it works in the passive mode with HWP enabled and the "powersave" governor is used on top of it, then changing the policy max frequency doesn't cause the HWP max limit to be updated which is quite confusing.
That happens because of two checks, one in the cpufreq core and one in the driver itself, that are there to avoid unnecessary HW/FW updates when the current frequency doesn't change. Of course, that is the case when the policy max limit changes under the "powersave" governor (which sets the current frequency to the policy min limit), but in that particular case, the checks turn out to be harmful. This is dealt with by the first patch. The second one is an optimization that can be done right away on top of the first one. Thanks!
