From: Wyes Karny <wyes.karny@amd.com>
To: Rafael J Wysocki <rafael@kernel.org>,
Huang Rui <ray.huang@amd.com>, Jonathan Corbet <corbet@lwn.net>,
Viresh Kumar <viresh.kumar@linaro.org>,
<Mario.Limonciello@amd.com>, <Perry.Yuan@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>, Len Brown <lenb@kernel.org>,
Robert Moore <robert.moore@intel.com>,
Borislav Petkov <bp@alien8.de>,
Ananth Narayan <ananth.narayan@amd.com>, <gautham.shenoy@amd.com>,
Tor Vic <torvic9@mailbox.org>, Wyes Karny <wyes.karny@amd.com>,
Mario Limonciello <mario.limonciello@amd.com>
Subject: [PATCH v5 4/6] Documentation: amd_pstate: Move amd_pstate param to alphabetical order
Date: Wed, 1 Feb 2023 06:58:21 +0000 [thread overview]
Message-ID: <20230201065823.189828-5-wyes.karny@amd.com> (raw)
In-Reply-To: <20230201065823.189828-1-wyes.karny@amd.com>
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
+ tries 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
- tries 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.
--
2.34.1
next prev parent reply other threads:[~2023-02-01 7:04 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-01 6:58 [PATCH v5 0/6] amd_pstate: Add guided autonomous mode support Wyes Karny
2023-02-01 6:58 ` [PATCH v5 1/6] acpi: cppc: Add min and max perf reg writing support Wyes Karny
2023-02-01 6:58 ` [PATCH v5 2/6] acpi: cppc: Add auto select register read/write support Wyes Karny
2023-02-01 6:58 ` [PATCH v5 3/6] cpufreq: amd_pstate: Add guided autonomous mode Wyes Karny
2023-02-01 6:58 ` Wyes Karny [this message]
2023-02-01 6:58 ` [PATCH v5 5/6] cpufreq: amd_pstate: Add guided mode control support via sysfs Wyes Karny
2023-02-01 6:58 ` [PATCH v5 6/6] Documentation: amd_pstate: Update amd_pstate status sysfs for guided Wyes Karny
2023-02-01 18:35 ` [PATCH v5 0/6] amd_pstate: Add guided autonomous mode support Tor Vic
2023-02-02 4:44 ` Wyes Karny
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