From: K Prateek Nayak <kprateek.nayak@amd.com>
To: Mario Limonciello <mario.limonciello@amd.com>
Cc: Perry Yuan <perry.yuan@amd.com>,
"open list:X86 ARCHITECTURE (32-BIT AND 64-BIT)"
<linux-kernel@vger.kernel.org>,
"open list:CPU FREQUENCY SCALING FRAMEWORK"
<linux-pm@vger.kernel.org>,
Stuart Meckle <stuartmeckle@gmail.com>
Subject: Re: [PATCH] cpufreq/amd-pstate: Drop Kconfig option for dynamic EPP
Date: Thu, 14 May 2026 18:35:04 +0530 [thread overview]
Message-ID: <3633a2df-73a8-46d0-a430-8f9502cfffd9@amd.com> (raw)
In-Reply-To: <20260512221947.1652988-1-mario.limonciello@amd.com>
Hello Mario,
On 5/13/2026 3:49 AM, Mario Limonciello wrote:
> --- a/Documentation/admin-guide/pm/amd-pstate.rst
> +++ b/Documentation/admin-guide/pm/amd-pstate.rst
> @@ -358,8 +358,8 @@ Dynamic energy performance profile
> The amd-pstate driver supports dynamically selecting the energy performance
> profile based on whether the machine is running on AC or DC power.
>
> -Whether this behavior is enabled by default depends on the kernel
> -config option `CONFIG_X86_AMD_PSTATE_DYNAMIC_EPP`. This behavior can also be overridden
> +Whether this behavior is enabled by default depends on the kernel command line option
> +``amd_dynamic_epp`` is set. This behavior can also be overridden
> at runtime by the sysfs file ``/sys/devices/system/cpu/cpufreq/policyX/dynamic_epp``.
Unrelated nit.
This file should have been
/sys/devices/system/cpu/amd_pstate/dynamic_epp right?
Apart from that, feel free to add:
Reviewed-by: K Prateek Nayak <kprateek.nayak@amd.com>
>
> When set to enabled, the driver will select a different energy performance
--
Thanks and Regards,
Prateek
next prev parent reply other threads:[~2026-05-14 13:05 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-12 22:19 [PATCH] cpufreq/amd-pstate: Drop Kconfig option for dynamic EPP Mario Limonciello
2026-05-14 13:05 ` K Prateek Nayak [this message]
2026-05-14 13:06 ` Mario Limonciello
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