Re: [PATCH V2 7/7] Documentation: introduce AMD Pstate Preferrd Core mode kernel command line options

[Mario Limonciello]

On 8/15/2023 01:15, Meng Li wrote:
> AMD Pstate driver support enable/disable Preferred core.
> Default enabled on platforms supporting AMD Preferred Core.
> Disable AMD Pstate Preferred Core with
> "amd_prefcore=disable" added to the kernel command line.
>
> Signed-off-by: Meng Li <li.meng@xxxxxxx>

Reviewed-by: Mario Limonciello <mario.limonciello@xxxxxxx>

> ---
>   Documentation/admin-guide/kernel-parameters.txt | 5 +++++
>   1 file changed, 5 insertions(+)
>
> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> index 23ebe34ff901..4f78067bb8af 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -363,6 +363,11 @@
>   			  selects a performance level in this range and appropriate
>   			  to the current workload.
>   
> +	amd_prefcore=
> +			[X86]
> +			disable
> +			  Disable AMD Pstate Preferred Core.
> +
>   	amijoy.map=	[HW,JOY] Amiga joystick support
>   			Map of devices attached to JOY0DAT and JOY1DAT
>   			Format: <a>,<b>