Re: [PATCH] cpufreq/amd-pstate: Remove obsolete amd_dynamic_epp documentation

From: Mario Limonciello

Date: Thu Sep 10 2026 - 17:02:16 EST




On 9/6/26 22:58, K Prateek Nayak wrote:
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 <kmehltretter@xxxxxxxxx>

Thank you for catching this. Feel free to include:

Reviewed-by: K Prateek Nayak <kprateek.nayak@xxxxxxx>


Thanks, applied to my amd-pstate bleeding-edge branch.

---
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: <a>,<b>
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
===========================================