diff options
Diffstat (limited to 'drivers/firmware/arm_scmi/perf.c')
| -rw-r--r-- | drivers/firmware/arm_scmi/perf.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/drivers/firmware/arm_scmi/perf.c b/drivers/firmware/arm_scmi/perf.c index 64342944d917..3c8ae7cc35de 100644 --- a/drivers/firmware/arm_scmi/perf.c +++ b/drivers/firmware/arm_scmi/perf.c @@ -174,7 +174,7 @@ scmi_perf_domain_attributes_get(const struct scmi_handle *handle, u32 domain, dom_info->mult_factor = (dom_info->sustained_freq_khz * 1000) / dom_info->sustained_perf_level; - memcpy(dom_info->name, attr->name, SCMI_MAX_STR_SIZE); + strlcpy(dom_info->name, attr->name, SCMI_MAX_STR_SIZE); } scmi_xfer_put(handle, t); @@ -427,6 +427,33 @@ static int scmi_dvfs_freq_get(const struct scmi_handle *handle, u32 domain, return ret; } +static int scmi_dvfs_est_power_get(const struct scmi_handle *handle, u32 domain, + unsigned long *freq, unsigned long *power) +{ + struct scmi_perf_info *pi = handle->perf_priv; + struct perf_dom_info *dom; + unsigned long opp_freq; + int idx, ret = -EINVAL; + struct scmi_opp *opp; + + dom = pi->dom_info + domain; + if (!dom) + return -EIO; + + for (opp = dom->opp, idx = 0; idx < dom->opp_count; idx++, opp++) { + opp_freq = opp->perf * dom->mult_factor; + if (opp_freq < *freq) + continue; + + *freq = opp_freq; + *power = opp->power; + ret = 0; + break; + } + + return ret; +} + static struct scmi_perf_ops perf_ops = { .limits_set = scmi_perf_limits_set, .limits_get = scmi_perf_limits_get, @@ -437,6 +464,7 @@ static struct scmi_perf_ops perf_ops = { .device_opps_add = scmi_dvfs_device_opps_add, .freq_set = scmi_dvfs_freq_set, .freq_get = scmi_dvfs_freq_get, + .est_power_get = scmi_dvfs_est_power_get, }; static int scmi_perf_protocol_init(struct scmi_handle *handle) |