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Message-ID: <20230216081802.38007-4-wyes.karny@amd.com>
Date: Thu, 16 Feb 2023 08:17:59 +0000
From: Wyes Karny <wyes.karny@....com>
To: Rafael J Wysocki <rafael@...nel.org>,
Huang Rui <ray.huang@....com>,
Jonathan Corbet <corbet@....net>,
Viresh Kumar <viresh.kumar@...aro.org>,
<Mario.Limonciello@....com>, <Perry.Yuan@....com>
CC: <linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-pm@...r.kernel.org>, Bagas Sanjaya <bagasdotme@...il.com>,
<santosh.shukla@....com>, Len Brown <lenb@...nel.org>,
Robert Moore <robert.moore@...el.com>,
Borislav Petkov <bp@...en8.de>,
Ananth Narayan <ananth.narayan@....com>,
<gautham.shenoy@....com>, Tor Vic <torvic9@...lbox.org>,
Russell Haley <yumpusamongus@...il.com>,
Wyes Karny <wyes.karny@....com>,
Mario Limonciello <mario.limonciello@....com>
Subject: [PATCH v7 3/6] Documentation: cpufreq: amd-pstate: Move amd_pstate param to alphabetical order
Move amd_pstate command line param description to correct alphabetical
order.
Acked-by: Huang Rui <ray.huang@....com>
Reviewed-by: Mario Limonciello <mario.limonciello@....com>
Signed-off-by: Wyes Karny <wyes.karny@....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 e3618dfdb36a..6ffcfb73e62f 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>
@@ -7010,20 +7028,3 @@
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
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