linux-kernel - Re: [PATCH] powercap: intel_rapl_msr: Add PL4 support for PantherLake

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Message-ID: <CAJZ5v0jVbc76E0jJA7S4N1xN1ESjuNO0xvfGk9wqDwNVOzBVkg@mail.gmail.com>
Date: Fri, 27 Jun 2025 21:47:47 +0200
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: Zhang Rui <rui.zhang@...el.com>
Cc: rafael.j.wysocki@...el.com, linux-kernel@...r.kernel.org, 
	linux-pm@...r.kernel.org, srinivas.pandruvada@...ux.intel.com
Subject: Re: [PATCH] powercap: intel_rapl_msr: Add PL4 support for PantherLake

On Wed, Jun 25, 2025 at 4:05 AM Zhang Rui <rui.zhang@...el.com> wrote:
>
> Add PantherLake to the list of processors where PL4 is supported.
>
> Signed-off-by: Zhang Rui <rui.zhang@...el.com>
> ---
> The PL4 support for Arrowlake-S and Lunarlake are also missing for now.
> We will add them later when there is a real need. I'm also checking
> internally to see if it is required or not.
> ---
>  drivers/powercap/intel_rapl_msr.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/powercap/intel_rapl_msr.c b/drivers/powercap/intel_rapl_msr.c
> index 8ad2115d65f6..4ed06c71a3ac 100644
> --- a/drivers/powercap/intel_rapl_msr.c
> +++ b/drivers/powercap/intel_rapl_msr.c
> @@ -150,6 +150,7 @@ static const struct x86_cpu_id pl4_support_ids[] = {
>         X86_MATCH_VFM(INTEL_METEORLAKE_L, NULL),
>         X86_MATCH_VFM(INTEL_ARROWLAKE_U, NULL),
>         X86_MATCH_VFM(INTEL_ARROWLAKE_H, NULL),
> +       X86_MATCH_VFM(INTEL_PANTHERLAKE_L, NULL),
>         {}
>  };
>
> --

Applied as 6.17 material, thanks!