linux-kernel - Re: [PATCH 3/3] platform/x86/intel/pmc/arl: Put GNA device in D3

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Date: Mon, 26 Feb 2024 17:01:15 +0200 (EET)
From: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To: "David E. Box" <david.e.box@...ux.intel.com>
cc: rajvi.jingar@...ux.intel.com, platform-driver-x86@...r.kernel.org, 
    LKML <linux-kernel@...r.kernel.org>, Hans de Goede <hdegoede@...hat.com>
Subject: Re: [PATCH 3/3] platform/x86/intel/pmc/arl: Put GNA device in D3

On Wed, 21 Feb 2024, David E. Box wrote:

> To unblock Package C state entry, put the GNA device in D3 by default if no

Hi David,

It would be nice if this kind of not so well-known acronyms are opened by 
default in the commit message so reviewers have a chance to understand 
what this is about (me included, I had to look it up).

Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>

-- 
 i.

> driver is loaded for it.
> 
> Fixes: 83f168a1a437 ("platform/x86/intel/pmc: Add Arrow Lake S support to intel_pmc_core driver")
> Signed-off-by: David E. Box <david.e.box@...ux.intel.com>
> ---
>  drivers/platform/x86/intel/pmc/arl.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/platform/x86/intel/pmc/arl.c b/drivers/platform/x86/intel/pmc/arl.c
> index 683ae828276b..34b4cd23bfe5 100644
> --- a/drivers/platform/x86/intel/pmc/arl.c
> +++ b/drivers/platform/x86/intel/pmc/arl.c
> @@ -673,6 +673,7 @@ static struct pmc_info arl_pmc_info_list[] = {
>  };
>  
>  #define ARL_NPU_PCI_DEV			0xad1d
> +#define ARL_GNA_PCI_DEV			0xae4c
>  /*
>   * Set power state of select devices that do not have drivers to D3
>   * so that they do not block Package C entry.
> @@ -680,6 +681,7 @@ static struct pmc_info arl_pmc_info_list[] = {
>  static void arl_d3_fixup(void)
>  {
>  	pmc_core_set_device_d3(ARL_NPU_PCI_DEV);
> +	pmc_core_set_device_d3(ARL_GNA_PCI_DEV);
>  }
>  
>  static int arl_resume(struct pmc_dev *pmcdev)