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| author | Lukasz Luba <lukasz.luba@arm.com> | 2020-11-24 10:43:45 +0000 |
|---|---|---|
| committer | Viresh Kumar <viresh.kumar@linaro.org> | 2020-12-08 10:16:13 +0530 |
| commit | 76ea4d8eeefbfdd37e47c6fd579d0d5852457618 (patch) | |
| tree | 282d28e7b3861a8ac0d99956edfa443f2c7a9fb2 /drivers/firmware | |
| parent | c250d50fe2ce627ca9805d9c8ac11cbbf922a4a6 (diff) | |
| download | linux-76ea4d8eeefbfdd37e47c6fd579d0d5852457618.tar.bz2 | |
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.c | 8 |
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, |