From: Douglas RAILLARD <douglas.raillard@arm.com>
To: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-pm@vger.kernel.org
Cc: rjw@rjwysocki.net, viresh.kumar@linaro.org, agross@kernel.org
Subject: [PATCH 1/2] cpufreq: drivers: Enable frequency invariance in qcom-cpufreq-hw
Date: Thu, 8 Aug 2019 14:18:57 +0100 [thread overview]
Message-ID: <20190808131857.21082-1-douglas.raillard@arm.com> (raw)
Add calls to arch_set_freq_scale() in qcom-cpufreq-hw driver to enable
frequency invariance.
Signed-off-by: Douglas RAILLARD <douglas.raillard@arm.com>
---
drivers/cpufreq/qcom-cpufreq-hw.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c b/drivers/cpufreq/qcom-cpufreq-hw.c
index 4b0b50403901..3bd3b8b268d9 100644
--- a/drivers/cpufreq/qcom-cpufreq-hw.c
+++ b/drivers/cpufreq/qcom-cpufreq-hw.c
@@ -34,9 +34,12 @@ static int qcom_cpufreq_hw_target_index(struct cpufreq_policy *policy,
unsigned int index)
{
void __iomem *perf_state_reg = policy->driver_data;
+ unsigned long freq = policy->freq_table[index].frequency;
writel_relaxed(index, perf_state_reg);
+ arch_set_freq_scale(policy->related_cpus, freq,
+ policy->cpuinfo.max_freq);
return 0;
}
@@ -63,6 +66,7 @@ static unsigned int qcom_cpufreq_hw_fast_switch(struct cpufreq_policy *policy,
{
void __iomem *perf_state_reg = policy->driver_data;
int index;
+ unsigned long freq;
index = policy->cached_resolved_idx;
if (index < 0)
@@ -70,7 +74,11 @@ static unsigned int qcom_cpufreq_hw_fast_switch(struct cpufreq_policy *policy,
writel_relaxed(index, perf_state_reg);
- return policy->freq_table[index].frequency;
+ freq = policy->freq_table[index].frequency;
+ arch_set_freq_scale(policy->related_cpus, freq,
+ policy->cpuinfo.max_freq);
+
+ return freq;
}
static int qcom_cpufreq_hw_read_lut(struct device *cpu_dev,
--
2.22.0
next reply other threads:[~2019-08-08 13:19 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-08 13:18 Douglas RAILLARD [this message]
2019-08-08 17:32 ` [PATCH 1/2] cpufreq: drivers: Enable frequency invariance in qcom-cpufreq-hw Quentin Perret
2019-08-09 10:16 ` Douglas Raillard
2019-08-09 10:37 ` Quentin Perret
2019-08-19 6:57 ` Viresh Kumar
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