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Message-ID: <20240227173434.650334-4-quic_sibis@quicinc.com>
Date: Tue, 27 Feb 2024 23:04:34 +0530
From: Sibi Sankar <quic_sibis@...cinc.com>
To: <sudeep.holla@....com>, <cristian.marussi@....com>, <rafael@...nel.org>,
<viresh.kumar@...aro.org>, <morten.rasmussen@....com>,
<dietmar.eggemann@....com>, <lukasz.luba@....com>, <sboyd@...nel.org>
CC: <linux-arm-kernel@...ts.infradead.org>, <linux-pm@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <quic_mdtipton@...cinc.com>,
<linux-arm-msm@...r.kernel.org>, <nm@...com>,
Sibi Sankar
<quic_sibis@...cinc.com>
Subject: [PATCH V2 3/3] cpufreq: scmi: Enable boost support
The X1E80100 SoC hosts a number of cpu boost frequencies, so let's enable
boost support if the freq_table has any opps marked as turbo in it.
Signed-off-by: Sibi Sankar <quic_sibis@...cinc.com>
---
v2:
* fix default per-policy state. [Dietmar]
* fix typo in commit message.
drivers/cpufreq/scmi-cpufreq.c | 23 ++++++++++++++++++++++-
1 file changed, 22 insertions(+), 1 deletion(-)
diff --git a/drivers/cpufreq/scmi-cpufreq.c b/drivers/cpufreq/scmi-cpufreq.c
index 4ee23f4ebf4a..76a0ddbd9d24 100644
--- a/drivers/cpufreq/scmi-cpufreq.c
+++ b/drivers/cpufreq/scmi-cpufreq.c
@@ -30,6 +30,7 @@ struct scmi_data {
static struct scmi_protocol_handle *ph;
static const struct scmi_perf_proto_ops *perf_ops;
+static struct cpufreq_driver scmi_cpufreq_driver;
static unsigned int scmi_cpufreq_get_rate(unsigned int cpu)
{
@@ -144,6 +145,12 @@ scmi_get_cpu_power(struct device *cpu_dev, unsigned long *power,
return 0;
}
+static struct freq_attr *scmi_cpufreq_hw_attr[] = {
+ &cpufreq_freq_attr_scaling_available_freqs,
+ NULL,
+ NULL,
+};
+
static int scmi_cpufreq_init(struct cpufreq_policy *policy)
{
int ret, nr_opp, domain;
@@ -250,6 +257,20 @@ static int scmi_cpufreq_init(struct cpufreq_policy *policy)
policy->fast_switch_possible =
perf_ops->fast_switch_possible(ph, domain);
+ if (policy_has_boost_freq(policy)) {
+ ret = cpufreq_enable_boost_support();
+ if (ret) {
+ dev_warn(cpu_dev, "failed to enable boost: %d\n", ret);
+ goto out_free_opp;
+ } else {
+ scmi_cpufreq_hw_attr[1] = &cpufreq_freq_attr_scaling_boost_freqs;
+ scmi_cpufreq_driver.boost_enabled = true;
+ policy->boost_enabled = true;
+ }
+ }
+
+ priv->policy = policy;
+
return 0;
out_free_opp:
@@ -308,7 +329,7 @@ static struct cpufreq_driver scmi_cpufreq_driver = {
CPUFREQ_NEED_INITIAL_FREQ_CHECK |
CPUFREQ_IS_COOLING_DEV,
.verify = cpufreq_generic_frequency_table_verify,
- .attr = cpufreq_generic_attr,
+ .attr = scmi_cpufreq_hw_attr,
.target_index = scmi_cpufreq_set_target,
.fast_switch = scmi_cpufreq_fast_switch,
.get = scmi_cpufreq_get_rate,
--
2.34.1
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