linux-kernel - Re: [PATCH] thermal: intel: int340x: Add missing DVFS support

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Message-ID: <CAJZ5v0i_SNb+stFH4-Pv87Jrb-2J0F1MEzUKK0e44dFDWwRSJA@mail.gmail.com>
Date: Tue, 15 Apr 2025 18:48:40 +0200
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Cc: rafael@...nel.org, daniel.lezcano@...aro.org, rui.zhang@...el.com, 
	lukasz.luba@....com, linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] thermal: intel: int340x: Add missing DVFS support

On Thu, Apr 10, 2025 at 7:29 PM Srinivas Pandruvada
<srinivas.pandruvada@...ux.intel.com> wrote:
>
> DVFS (Dynamic Voltage Frequency Scaling) is still supported for DDR
> memories on Lunar Lake and Panther Lake.
>
> Add the missing flag PROC_THERMAL_FEATURE_DVFS.
>
> Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>

Applied as 6.15-rc material, thanks!

> ---
>  .../intel/int340x_thermal/processor_thermal_device_pci.c   | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c
> index a55aaa8cef42..2097aae39946 100644
> --- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c
> +++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c
> @@ -485,7 +485,7 @@ static const struct pci_device_id proc_thermal_pci_ids[] = {
>         { PCI_DEVICE_DATA(INTEL, ADL_THERMAL, PROC_THERMAL_FEATURE_RAPL |
>           PROC_THERMAL_FEATURE_FIVR | PROC_THERMAL_FEATURE_DVFS | PROC_THERMAL_FEATURE_WT_REQ) },
>         { PCI_DEVICE_DATA(INTEL, LNLM_THERMAL, PROC_THERMAL_FEATURE_MSI_SUPPORT |
> -         PROC_THERMAL_FEATURE_RAPL | PROC_THERMAL_FEATURE_DLVR |
> +         PROC_THERMAL_FEATURE_RAPL | PROC_THERMAL_FEATURE_DLVR | PROC_THERMAL_FEATURE_DVFS |
>           PROC_THERMAL_FEATURE_WT_HINT | PROC_THERMAL_FEATURE_POWER_FLOOR) },
>         { PCI_DEVICE_DATA(INTEL, MTLP_THERMAL, PROC_THERMAL_FEATURE_RAPL |
>           PROC_THERMAL_FEATURE_FIVR | PROC_THERMAL_FEATURE_DVFS | PROC_THERMAL_FEATURE_DLVR |
> @@ -495,8 +495,9 @@ static const struct pci_device_id proc_thermal_pci_ids[] = {
>         { PCI_DEVICE_DATA(INTEL, RPL_THERMAL, PROC_THERMAL_FEATURE_RAPL |
>           PROC_THERMAL_FEATURE_FIVR | PROC_THERMAL_FEATURE_DVFS | PROC_THERMAL_FEATURE_WT_REQ) },
>         { PCI_DEVICE_DATA(INTEL, PTL_THERMAL, PROC_THERMAL_FEATURE_RAPL |
> -         PROC_THERMAL_FEATURE_DLVR | PROC_THERMAL_FEATURE_MSI_SUPPORT |
> -         PROC_THERMAL_FEATURE_WT_HINT | PROC_THERMAL_FEATURE_POWER_FLOOR) },
> +         PROC_THERMAL_FEATURE_DLVR | PROC_THERMAL_FEATURE_DVFS |
> +         PROC_THERMAL_FEATURE_MSI_SUPPORT | PROC_THERMAL_FEATURE_WT_HINT |
> +         PROC_THERMAL_FEATURE_POWER_FLOOR) },
>         { },
>  };
>
> --
> 2.49.0
>