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>,
Russell Haley <yumpusamongus@gmail.com>,
Wyes Karny <wyes.karny@amd.com>,
Mario Limonciello <mario.limonciello@amd.com>,
Oleksandr Natalenko <oleksandr@natalenko.name>
Subject: [PATCH v8 3/6] Documentation: cpufreq: amd-pstate: Move amd_pstate param to alphabetical order
Date: Tue, 7 Mar 2023 11:27:37 +0000 [thread overview]
Message-ID: <20230307112740.132338-4-wyes.karny@amd.com> (raw)
In-Reply-To: <20230307112740.132338-1-wyes.karny@amd.com>
Move amd_pstate command line param description to correct alphabetical
order.
Acked-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Signed-off-by: Wyes Karny <wyes.karny@amd.com>
---
.../admin-guide/kernel-parameters.txt | 35 ++++++++++---------
1 file changed, 18 insertions(+), 17 deletions(-)
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 6221a1d057dd..1e38f3ae0e62 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -339,6 +339,24 @@
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 as a scaling driver, driver requests a
+ desired performance on this abstract scale and the power
+ management firmware translates the requests into actual
+ hardware states (core frequency, data fabric and memory
+ clocks etc.)
+ 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.
+
amijoy.map= [HW,JOY] Amiga joystick support
Map of devices attached to JOY0DAT and JOY1DAT
Format: <a>,<b>
@@ -7059,20 +7077,3 @@
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 as a scaling driver, driver requests a
- desired performance on this abstract scale and the power
- management firmware translates the requests into actual
- hardware states (core frequency, data fabric and memory
- clocks etc.)
- 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.
--
2.34.1
next prev parent reply other threads:[~2023-03-07 11:30 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-07 11:27 [PATCH v8 0/6] cpufreq: amd-pstate: Add guided autonomous mode support Wyes Karny
2023-03-07 11:27 ` [PATCH v8 1/6] acpi: cppc: Add min and max perf reg writing support Wyes Karny
2023-03-07 11:27 ` [PATCH v8 2/6] acpi: cppc: Add auto select register read/write support Wyes Karny
2023-03-07 11:27 ` Wyes Karny [this message]
2023-03-07 11:27 ` [PATCH v8 4/6] cpufreq: amd-pstate: Add guided autonomous mode Wyes Karny
2023-03-07 11:27 ` [PATCH v8 5/6] cpufreq: amd-pstate: Add guided mode control support via sysfs Wyes Karny
2023-03-07 11:27 ` [PATCH v8 6/6] Documentation: cpufreq: amd-pstate: Update amd_pstate status sysfs for guided Wyes Karny
2023-03-17 18:10 ` [PATCH v8 0/6] cpufreq: amd-pstate: Add guided autonomous mode support Rafael J. Wysocki
2023-03-20 4:40 ` Wyes Karny
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