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authorLukasz Luba <lukasz.luba@arm.com>2020-11-24 10:43:45 +0000
committerViresh Kumar <viresh.kumar@linaro.org>2020-12-08 10:16:13 +0530
commit76ea4d8eeefbfdd37e47c6fd579d0d5852457618 (patch)
tree282d28e7b3861a8ac0d99956edfa443f2c7a9fb2 /drivers/firmware
parentc250d50fe2ce627ca9805d9c8ac11cbbf922a4a6 (diff)
firmware: arm_scmi: Add power_scale_mw_get() interface
Add a new interface to the existing perf_ops and export the information about the power values scale. This would be used by the cpufreq driver and Energy Model framework to set the performance domains scale: milli-Watts or abstract scale. Suggested-by: Morten Rasmussen <morten.rasmussen@arm.com> Reviewed-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Lukasz Luba <lukasz.luba@arm.com> Acked-by: Sudeep Holla <sudeep.holla@arm.com> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Diffstat (limited to 'drivers/firmware')
-rw-r--r--drivers/firmware/arm_scmi/perf.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/firmware/arm_scmi/perf.c b/drivers/firmware/arm_scmi/perf.c
index 82fb3babff72..e374b1125fca 100644
--- a/drivers/firmware/arm_scmi/perf.c
+++ b/drivers/firmware/arm_scmi/perf.c
@@ -750,6 +750,13 @@ static bool scmi_fast_switch_possible(const struct scmi_handle *handle,
return dom->fc_info && dom->fc_info->level_set_addr;
}
+static bool scmi_power_scale_mw_get(const struct scmi_handle *handle)
+{
+ struct scmi_perf_info *pi = handle->perf_priv;
+
+ return pi->power_scale_mw;
+}
+
static const struct scmi_perf_ops perf_ops = {
.limits_set = scmi_perf_limits_set,
.limits_get = scmi_perf_limits_get,
@@ -762,6 +769,7 @@ static const struct scmi_perf_ops perf_ops = {
.freq_get = scmi_dvfs_freq_get,
.est_power_get = scmi_dvfs_est_power_get,
.fast_switch_possible = scmi_fast_switch_possible,
+ .power_scale_mw_get = scmi_power_scale_mw_get,
};
static int scmi_perf_set_notify_enabled(const struct scmi_handle *handle,