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From: Douglas Raillard <douglas.raillard@arm.com>
To: Quentin Perret <quentin.perret@arm.com>
Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	linux-pm@vger.kernel.org, rjw@rjwysocki.net,
	viresh.kumar@linaro.org, agross@kernel.org
Subject: Re: [PATCH 1/2] cpufreq: drivers: Enable frequency invariance in qcom-cpufreq-hw
Date: Fri, 9 Aug 2019 11:16:12 +0100	[thread overview]
Message-ID: <14762a81-a81d-d05f-b42a-495dacb28168@arm.com> (raw)
In-Reply-To: <20190808173230.53ddupihjlr6uvne@queper01-lin>

Hi Quentin,

On 8/8/19 6:32 PM, Quentin Perret wrote:
> Hi Douglas,
> 
> On Thursday 08 Aug 2019 at 14:18:57 (+0100), Douglas RAILLARD wrote:
>> Add calls to arch_set_freq_scale() in qcom-cpufreq-hw driver to enable
>> frequency invariance.
> 
> Is there a patch 2/2 ?

That slipped through when format-patch-ing unrelated commits, there is no 2nd patch.

>>
>> 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
> 
> Reviewed-by: Quentin Perret <quentin.perret@arm.com>
> 
> Thanks,
> Quentin
> 

Thanks,
Douglas

  reply	other threads:[~2019-08-09 10:16 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-08 13:18 [PATCH 1/2] cpufreq: drivers: Enable frequency invariance in qcom-cpufreq-hw Douglas RAILLARD
2019-08-08 17:32 ` Quentin Perret
2019-08-09 10:16   ` Douglas Raillard [this message]
2019-08-09 10:37     ` Quentin Perret
2019-08-19  6:57       ` Viresh Kumar

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