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From: Mario Limonciello <mario.limonciello@amd.com>
To: Viresh Kumar <viresh.kumar@linaro.org>
Cc: perry.yuan@amd.com, gautham.shenoy@amd.com,
	Linux PM <linux-pm@vger.kernel.org>,
	Sibi Sankar <quic_sibis@quicinc.com>,
	Dietmar Eggemann <dietmar.eggemann@arm.com>,
	Dhruva Gole <d-gole@ti.com>, Yipeng Zou <zouyipeng@huawei.com>,
	"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>
Subject: Re: [PATCH v14 5/5] cpufreq: Only disable boost during cpu online when using frequency tables
Date: Tue, 25 Jun 2024 22:20:00 -0500	[thread overview]
Message-ID: <e8275758-e0f7-46c9-8131-094abe363292@amd.com> (raw)
In-Reply-To: <20240626031753.dti6ixxi2jlykjqn@vireshk-i7>

On 6/25/2024 22:17, Viresh Kumar wrote:
> On 25-06-24, 22:14, Mario Limonciello wrote:
>> The earlier patches in this series do that with amd-pstate.  Gautham had
>> suggested a change to acpi-cpufreq for the same too.
> 
> Ahh, since I wasn't cc'd, I missed that obvious part :)
> 
> The right fix would be this then I guess:
> 
> diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
> index a45aac17c20f..9e5060b27864 100644
> --- a/drivers/cpufreq/cpufreq.c
> +++ b/drivers/cpufreq/cpufreq.c
> @@ -1431,7 +1431,8 @@ static int cpufreq_online(unsigned int cpu)
>                  }
> 
>                  /* Let the per-policy boost flag mirror the cpufreq_driver boost during init */
> -               policy->boost_enabled = cpufreq_boost_enabled() && policy_has_boost_freq(policy);
> +               if (cpufreq_boost_enabled() && policy_has_boost_freq(policy))
> +                       policy->boost_enabled = true;
> 
>                  /*
>                   * The initialization has succeeded and the policy is online.
> 

Yeah; that's effectively the same result as Gautham's suggestion.  He 
had just said to change policy_has_boost_freq() for the same.

I'll test it with yours and reconcile the better one to submit back out 
for v15.

Thank you for your feedback.

  reply	other threads:[~2024-06-26  3:20 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-06-24 21:33 [PATCH v14 0/5] AMD Pstate Driver Core Performance Boost Mario Limonciello
2024-06-24 21:33 ` [PATCH v14 1/5] cpufreq: acpi: move MSR_K7_HWCR_CPB_DIS_BIT into msr-index.h Mario Limonciello
2024-06-24 21:33 ` [PATCH v14 2/5] cpufreq: amd-pstate: initialize core precision boost state Mario Limonciello
2024-06-24 21:33 ` [PATCH v14 3/5] cpufreq: amd-pstate: Cap the CPPC.max_perf to nominal_perf if CPB is off Mario Limonciello
2024-06-24 21:33 ` [PATCH v14 4/5] Documentation: cpufreq: amd-pstate: update doc for Per CPU boost control method Mario Limonciello
2024-06-25 12:03   ` Gautham R.Shenoy
2024-06-24 21:34 ` [PATCH v14 5/5] cpufreq: Only disable boost during cpu online when using frequency tables Mario Limonciello
2024-06-25  6:30   ` Viresh Kumar
2024-06-25 12:31     ` Mario Limonciello
2024-06-26  3:11       ` Viresh Kumar
2024-06-26  3:14         ` Mario Limonciello
2024-06-26  3:17           ` Viresh Kumar
2024-06-26  3:20             ` Mario Limonciello [this message]
2024-06-26  3:25               ` Viresh Kumar
2024-06-26  3:27                 ` Viresh Kumar
2024-06-26  3:33                   ` Mario Limonciello
2024-06-26  3:44                     ` Viresh Kumar
2024-06-26  3:46                       ` Mario Limonciello
2024-06-25 11:55   ` Gautham R.Shenoy
2024-06-25 12:32     ` Mario Limonciello

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