cpufreq: CPPC: Enable dvfs_possible_from_any_cpu

The communication mean of the _CPC desired performance can be
PCC, System Memory, System IO, or Functional Fixed Hardware (FFH).

PCC, SystemMemory and SystemIo address spaces are available from any
CPU. Thus, dvfs_possible_from_any_cpu should be enabled in such case.
For FFH, let the FFH implementation do smp_call_function_*() calls.

Signed-off-by: Pierre Gondois <pierre.gondois@arm.com>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Pierre Gondois 2022-05-18 11:09:01 +02:00 committed by Rafael J. Wysocki
parent 3cc30dd00a
commit 2d41dc2380

View File

@ -743,6 +743,7 @@ static int cppc_cpufreq_cpu_init(struct cpufreq_policy *policy)
}
policy->fast_switch_possible = cppc_allow_fast_switch();
policy->dvfs_possible_from_any_cpu = true;
/*
* If 'highest_perf' is greater than 'nominal_perf', we assume CPU Boost