From f9b0498d29404f230894490d622e57e481c7d45a Mon Sep 17 00:00:00 2001 From: Lukasz Luba Date: Tue, 24 Nov 2020 10:43:46 +0000 Subject: [PATCH] cpufreq: arm_scmi: Discover the power scale in performance protocol Add mechanism to discover the power scale present in the performance protocol for all domains. Provide this information to Energy Model, which then can be checked in other frameworks, e.g. thermal. Suggested-by: Morten Rasmussen Signed-off-by: Lukasz Luba Signed-off-by: Viresh Kumar --- drivers/cpufreq/scmi-cpufreq.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/cpufreq/scmi-cpufreq.c b/drivers/cpufreq/scmi-cpufreq.c index 3714a4cd07fa..144afd1265c1 100644 --- a/drivers/cpufreq/scmi-cpufreq.c +++ b/drivers/cpufreq/scmi-cpufreq.c @@ -125,6 +125,7 @@ static int scmi_cpufreq_init(struct cpufreq_policy *policy) struct scmi_data *priv; struct cpufreq_frequency_table *freq_table; struct em_data_callback em_cb = EM_DATA_CB(scmi_get_cpu_power); + bool power_scale_mw; cpu_dev = get_cpu_device(policy->cpu); if (!cpu_dev) { @@ -188,8 +189,9 @@ static int scmi_cpufreq_init(struct cpufreq_policy *policy) policy->fast_switch_possible = handle->perf_ops->fast_switch_possible(handle, cpu_dev); + power_scale_mw = handle->perf_ops->power_scale_mw_get(handle); em_dev_register_perf_domain(cpu_dev, nr_opp, &em_cb, policy->cpus, - false); + power_scale_mw); return 0;