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Shenoy" To: Mario Limonciello , "Rafael J . Wysocki" , Viresh Kumar , K Prateek Nayak CC: , , "Gautham R. Shenoy" , Jonathan Corbet , "Shuah Khan" , Mario Limonciello Subject: [PATCH v3 11/12] Documentation/amd-pstate: List amd_pstate_prefcore_ranking sysfs file Date: Fri, 20 Mar 2026 20:13:20 +0530 Message-ID: <20260320144321.18543-12-gautham.shenoy@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260320144321.18543-1-gautham.shenoy@amd.com> References: <20260320144321.18543-1-gautham.shenoy@amd.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: satlexmb08.amd.com (10.181.42.217) To satlexmb07.amd.com (10.181.42.216) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL6PEPF0001AB4D:EE_|PH8PR12MB6675:EE_ X-MS-Office365-Filtering-Correlation-Id: 9b703a28-ced7-4fca-e501-08de868f2e2a X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|1800799024|82310400026|36860700016|56012099003|22082099003|18002099003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:satlexmb07.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(376014)(1800799024)(82310400026)(36860700016)(56012099003)(22082099003)(18002099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: yz5vAJx8syMu8SlFNfwSe6yBc2R9ODNbFPSpfYQv3+UQKVQFJm+xqBGOCGII45TOY0URc/P2H+wr++k6DaZe7/MzEvVa8M5fYop6hmROwmhCjnm1t51NFK9iMvIWzquACUYedTXuXr71TEBHO6awhP4tXAlQYAlyUvXAAWPbOcAQEarOMcEB9Fo6ALePHfnRe0X+9OSGnTfxyMZrle556eUhV1jGHjzxQ8pdHZJQ6SpJdXOvgUUv946w2RUCgh+XVxdn/umEwi+PP35hz0EqLR3CYkh/r/YRehkEB0SwV5KKQ1ZarOOgR/D8pY6s+n1QIbAgxENMS5Q0f1k4mndT0BqBNgBh7ehomqllATeyfqd7EIumdu1RbdfU61HTEacB5k8JRKUg+u2r2U81iyFcBqv7BzSKhPO8/SJsO8Wa+bL36xccWasxQYkflnpxBdXY X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Mar 2026 14:44:24.5743 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 9b703a28-ced7-4fca-e501-08de868f2e2a X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BL6PEPF0001AB4D.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH8PR12MB6675 Content-Type: text/plain; charset="utf-8" Add the missing amd_pstate_prefcore_ranking filenames in the sysfs listing example leading to the descriptions of these parameters. Clarify when will the file be visible. Fixes: 15a2b764ea7c ("amd-pstate: Add missing documentation for `amd_pstate= _prefcore_ranking`") Reviewed-by: Mario Limonciello (AMD) Signed-off-by: Gautham R. Shenoy --- Documentation/admin-guide/pm/amd-pstate.rst | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/Documentation/admin-guide/pm/amd-pstate.rst b/Documentation/ad= min-guide/pm/amd-pstate.rst index b8c846cbf301..b31a478c28ba 100644 --- a/Documentation/admin-guide/pm/amd-pstate.rst +++ b/Documentation/admin-guide/pm/amd-pstate.rst @@ -242,6 +242,7 @@ control its functionality at the system level. They are= located in the /sys/devices/system/cpu/cpufreq/policy0/amd_pstate_hw_prefcore /sys/devices/system/cpu/cpufreq/policy0/amd_pstate_lowest_nonlinear_freq /sys/devices/system/cpu/cpufreq/policy0/amd_pstate_max_freq + /sys/devices/system/cpu/cpufreq/policy0/amd_pstate_prefcore_ranking =20 =20 ``amd_pstate_highest_perf / amd_pstate_max_freq`` @@ -273,7 +274,8 @@ on platforms which support the preferred core feature. =20 The performance ranking of the core. This number doesn't have any unit, but larger numbers are preferred at the time of reading. This can change at -runtime based on platform conditions. This attribute is read-only. +runtime based on platform conditions. This attribute is read-only. This fi= le +is only visible on platforms which support the preferred core feature. =20 ``energy_performance_available_preferences`` =20 --=20 2.34.1