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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 v4 11/12] Documentation/amd-pstate: List amd_pstate_prefcore_ranking sysfs file Date: Thu, 26 Mar 2026 17:17:55 +0530 Message-ID: <20260326114756.20374-12-gautham.shenoy@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260326114756.20374-1-gautham.shenoy@amd.com> References: <20260326114756.20374-1-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: satlexmb07.amd.com (10.181.42.216) To satlexmb07.amd.com (10.181.42.216) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS3PEPF000099DE:EE_|DS2PR12MB9751:EE_ X-MS-Office365-Filtering-Correlation-Id: 39e14715-45fd-4f3a-f39e-08de8b2da45f X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|1800799024|376014|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)(82310400026)(1800799024)(376014)(36860700016)(56012099003)(22082099003)(18002099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: UDJ3/rOyoHOLJ24NolZsvm30H41jviELnugARyZ+C7wgLxZe16cIGzV2VqcZkwEhwSRHHx1KJ3nmL9882AiYuWCdvkDymlwir6nNj7D2hD8bKIlvllmhQiKJsd3v+pMTB9VkTNAYgdjSEKsNN9JfMt+UrTZHgaTvMiozgXexH1euKukyP7jxmPZtMgcqFYfSwFsYcXnxGPZlqDvjAyh3tHMrj1Dm2WwKem6CuxBaUM6I7Y6v08Lc8WFmIpIujVVpfYAjzjZEqVhyj5RNLhMdriFdFpcmdms7OWWZG+pKyamyu0GSumX5EMjtrWBdxwhPK1QTlNrXeETVF9WCH+qxCFRy408qCinQOenvissZ1a0SsKKJqrBZ5BtUCQldPpG5/dizqN1M4FVTG1zpRQu9BfhBYiNg/PYolYHvhINh1emTnc07PKFFdSwzcEPmgnOt X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Mar 2026 11:48:48.0218 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 39e14715-45fd-4f3a-f39e-08de8b2da45f 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: DS3PEPF000099DE.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS2PR12MB9751 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