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client-ip=165.204.84.17; helo=satlexmb08.amd.com; pr=C Received: from satlexmb08.amd.com (165.204.84.17) by BN7PEPF000000A6.mail.protection.outlook.com (10.167.245.230) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.406.5 via Frontend Transport; Mon, 7 Sep 2026 03:58:29 +0000 Received: from Satlexmb09.amd.com (10.181.42.218) by satlexmb08.amd.com (10.181.42.217) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.46; Sun, 6 Sep 2026 22:58:28 -0500 Received: from satlexmb07.amd.com (10.181.42.216) by satlexmb09.amd.com (10.181.42.218) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.46; Sun, 6 Sep 2026 22:58:27 -0500 Received: from [10.136.42.177] (10.180.168.240) by satlexmb07.amd.com (10.181.42.216) with Microsoft SMTP Server id 15.2.2562.46 via Frontend Transport; Sun, 6 Sep 2026 22:58:25 -0500 Message-ID: <4a577dcb-3fa2-4d28-8b86-757dd67cd6cb@amd.com> Date: Mon, 7 Sep 2026 09:28:24 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] cpufreq/amd-pstate: Remove obsolete amd_dynamic_epp documentation To: Karl Mehltretter , Jonathan Corbet CC: Shuah Khan , Randy Dunlap , Huang Rui , Mario Limonciello , Perry Yuan , "Mario Limonciello (AMD)" , , , References: <20260905010706.57380-1-kmehltretter@gmail.com> Content-Language: en-US From: K Prateek Nayak In-Reply-To: <20260905010706.57380-1-kmehltretter@gmail.com> Content-Type: text/plain; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: jUmYiRxmDWEnep89CDY/vmDEi/2xQfTURWCU3U2wcGrjqHVNdaMXZOybelaju6N9fs5JvJ775F6OJaz30vyQXoM8J/4uBqTsZcHEA0HuzuFy5dJIKDErMHRAkL75xCcnQB0AXU95aqwmZqYAbm6aqfpG6ycRTpVdzvfdmBmaPmqQpvavt1q6x0qRPyrzymNP8w0Ync+aPJjpTpm7kFWOmzLI21+GW2IgsI+XSirMPOyUjJ5B9fb5diIZZRbtqx+m4N6SHptSBw6DhKJQPrxBvzTJ/Yt8vwaPxAj9yPKvhK3X+N4arbCqzp0ziMSBGHZlCLOTT7xhYEfUcVkMyoA2/VauKjnGfSGEkz9jOYE7iNekIniuj6VyEWaw3OlqvfF0Qp6//G0tjNx3XHy0KWyVYu//BFyZzxS2cpA2EZ8JsZ3R64qtrscWNwfKkMx0xv1I X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Sep 2026 03:58:29.8287 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: cbcd00fd-2f65-4bbb-f01b-08df0c94472c 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=[satlexmb08.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN7PEPF000000A6.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR12MB6649 Hello Karl, On 9/5/2026 6:37 AM, Karl Mehltretter wrote: > The amd_dynamic_epp command-line parameter was removed. Dynamic EPP > is now selected through the per-policy energy_performance_preference > attribute, which is already documented. > > Fixes: 32692fcf61ed ("cpufreq/amd-pstate: Remove "amd_dynamic_epp" cmdline and "dynamic_epp" sysfs") > Assisted-by: LLM > Signed-off-by: Karl Mehltretter Thank you for catching this. Feel free to include: Reviewed-by: K Prateek Nayak > --- > Documentation/admin-guide/kernel-parameters.txt | 7 ------- > Documentation/admin-guide/pm/amd-pstate.rst | 6 ------ > 2 files changed, 13 deletions(-) > > diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt > index 4a12805a50ba5..1fa37bce5bb3a 100644 > --- a/Documentation/admin-guide/kernel-parameters.txt > +++ b/Documentation/admin-guide/kernel-parameters.txt > @@ -499,13 +499,6 @@ Kernel parameters > disable > Disable amd-pstate preferred core. > > - amd_dynamic_epp= > - [X86] > - disable > - Disable amd-pstate dynamic EPP. > - enable > - Enable amd-pstate dynamic EPP. > - > amijoy.map= [HW,JOY] Amiga joystick support > Map of devices attached to JOY0DAT and JOY1DAT > Format: , > diff --git a/Documentation/admin-guide/pm/amd-pstate.rst b/Documentation/admin-guide/pm/amd-pstate.rst > index 6fd72ba52df20..4c5d3d8acf645 100644 > --- a/Documentation/admin-guide/pm/amd-pstate.rst > +++ b/Documentation/admin-guide/pm/amd-pstate.rst > @@ -481,12 +481,6 @@ For systems that support ``amd-pstate`` preferred core, the core rankings will > always be advertised by the platform. But OS can choose to ignore that via the > kernel parameter ``amd_prefcore=disable``. > > -``amd_dynamic_epp`` > - > -When AMD pstate is in auto mode, dynamic EPP will control whether the kernel > -autonomously changes the EPP mode. The default is disabled. It can be enabled > -with the kernel parameter ``amd_dynamic_epp=enable``. > - > User Space Interface in ``sysfs`` - General > =========================================== > -- Thanks and Regards, Prateek