From: Mario Limonciello <mario.limonciello@amd.com>
To: Wyes Karny <wyes.karny@amd.com>,
Rafael J Wysocki <rafael@kernel.org>,
Huang Rui <ray.huang@amd.com>, Jonathan Corbet <corbet@lwn.net>,
Viresh Kumar <viresh.kumar@linaro.org>,
Perry.Yuan@amd.com, Ananth Narayan <ananth.narayan@amd.com>,
gautham.shenoy@amd.com
Cc: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-pm@vger.kernel.org, Bagas Sanjaya <bagasdotme@gmail.com>,
santosh.shukla@amd.com
Subject: Re: [PATCH v2 4/6] Documentation: amd_pstate: Move amd_pstate param to alphabetical order
Date: Thu, 12 Jan 2023 23:38:23 -0600 [thread overview]
Message-ID: <a3d870c7-c906-dc89-7a1c-e933b3a32536@amd.com> (raw)
In-Reply-To: <20230113052141.2874296-5-wyes.karny@amd.com>
On 1/12/23 23:21, Wyes Karny wrote:
> Move amd_pstate command line param description to correct alphabetical
> order.
>
> Signed-off-by: Wyes Karny <wyes.karny@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
> ---
> .../admin-guide/kernel-parameters.txt | 46 +++++++++----------
> 1 file changed, 23 insertions(+), 23 deletions(-)
>
> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> index 0d8486325c9a..5f6a3a34251e 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -339,6 +339,29 @@
> This mode requires kvm-amd.avic=1.
> (Default when IOMMU HW support is present.)
>
> + amd_pstate= [X86]
> + disable
> + Do not enable amd_pstate as the default
> + scaling driver for the supported processors
> + passive
> + Use amd_pstate with passive mode as a scaling driver.
> + In this mode autonomous selection is disabled.
> + Driver requests a desired performance level and platform
> + tires to match the same performance level (if it is
> + satisfied by guaranteed performance level).
> + active
> + Use amd_pstate_epp driver instance as the scaling driver,
> + driver provides a hint to the hardware if software wants
> + to bias toward performance (0x0) or energy efficiency (0xff)
> + to the CPPC firmware. then CPPC power algorithm will
> + calculate the runtime workload and adjust the realtime cores
> + frequency.
> + guided
> + Activate guided autonomous mode. Driver requests minimum and
> + maximum performance level and the platform autonomously
> + selects a performance level in this range and appropriate
> + to the current workload.
> +
> amijoy.map= [HW,JOY] Amiga joystick support
> Map of devices attached to JOY0DAT and JOY1DAT
> Format: <a>,<b>
> @@ -7009,26 +7032,3 @@
> memory, and other data can't be written using
> xmon commands.
> off xmon is disabled.
> -
> - amd_pstate= [X86]
> - disable
> - Do not enable amd_pstate as the default
> - scaling driver for the supported processors
> - passive
> - Use amd_pstate with passive mode as a scaling driver.
> - In this mode autonomous selection is disabled.
> - Driver requests a desired performance level and platform
> - tires to match the same performance level (if it is
> - satisfied by guaranteed performance level).
> - active
> - Use amd_pstate_epp driver instance as the scaling driver,
> - driver provides a hint to the hardware if software wants
> - to bias toward performance (0x0) or energy efficiency (0xff)
> - to the CPPC firmware. then CPPC power algorithm will
> - calculate the runtime workload and adjust the realtime cores
> - frequency.
> - guided
> - Activate guided autonomous mode. Driver requests minimum and
> - maximum performance level and the platform autonomously
> - selects a performance level in this range and appropriate
> - to the current workload.
next prev parent reply other threads:[~2023-01-13 5:39 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-13 5:21 [PATCH v2 0/6] amd_pstate: Add guided autonomous mode support Wyes Karny
2023-01-13 5:21 ` [PATCH v2 1/6] acpi: cppc: Add min and max perf reg writing support Wyes Karny
2023-01-13 5:37 ` Mario Limonciello
2023-01-13 6:31 ` Wyes Karny
2023-01-13 5:21 ` [PATCH v2 2/6] acpi: cppc: Add auto select register read/write support Wyes Karny
2023-01-13 5:52 ` Mario Limonciello
2023-01-13 5:21 ` [PATCH v2 3/6] cpufreq: amd_pstate: Add guided autonomous mode Wyes Karny
2023-01-13 5:58 ` Mario Limonciello
2023-01-13 5:21 ` [PATCH v2 4/6] Documentation: amd_pstate: Move amd_pstate param to alphabetical order Wyes Karny
2023-01-13 5:38 ` Mario Limonciello [this message]
2023-01-13 5:21 ` [PATCH v2 5/6] cpufreq: amd_pstate: Add guided mode control support via sysfs Wyes Karny
2023-01-13 5:48 ` Mario Limonciello
2023-01-13 6:38 ` Wyes Karny
2023-01-13 5:21 ` [PATCH v2 6/6] Documentation: amd_pstate: Update amd_pstate status sysfs for guided Wyes Karny
2023-01-13 5:50 ` Mario Limonciello
2023-01-13 6:39 ` Wyes Karny
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