linux-kernel - [PATCH v3 0/3] Enable amd-pstate active mode by default

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Message-ID: <20230620172433.21325-1-mario.limonciello@amd.com>
Date:   Tue, 20 Jun 2023 12:24:30 -0500
From:   Mario Limonciello <mario.limonciello@....com>
To:     "Rafael J . Wysocki" <rafael@...nel.org>
CC:     Len Brown <lenb@...nel.org>, Huang Rui <ray.huang@....com>,
        <linux-acpi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-pm@...r.kernel.org>,
        Gautham Ranjal Shenoy <gautham.shenoy@....com>,
        Wyes Karny <Wyes.Karny@....com>,
        Perry Yuan <perry.yuan@....com>,
        "Mario Limonciello" <mario.limonciello@....com>
Subject: [PATCH v3 0/3] Enable amd-pstate active mode by default

Active mode for amd-pstate has shown enough success now that it makes sense
to enable it by default on client systems.

This series introduces a new kernel configuration option to set the default
policy for amd-pstate modes for a kernel.

Server systems will by identified by the PM preferred profile and still be
set as disabled by default for now.

v2->v3:
 * Drop patch 4; Intel intentionally doesn't want intel-pstate on SOHO
   server
 * Move symbols from patch 1 into patch 2
 * Add tags
Mario Limonciello (3):
  ACPI: CPPC: Add definition for undefined FADT preferred PM profile
    value
  cpufreq: amd-pstate: Set a fallback policy based on preferred_profile
  cpufreq: amd-pstate: Add a kernel config option to set default mode

 drivers/cpufreq/Kconfig.x86  |  17 ++++++
 drivers/cpufreq/amd-pstate.c | 101 +++++++++++++++++++++++++----------
 include/acpi/actbl.h         |   3 +-
 include/linux/amd-pstate.h   |   4 +-
 4 files changed, 96 insertions(+), 29 deletions(-)

-- 
2.34.1