linux-kernel - Re: [PATCH 2/2] powercap/rapl: Add Ice Lake NNPI support to RAPL driver

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Message-ID: <2359736.lHFMKXy7DL@kreacher>
Date:   Fri, 28 Jun 2019 00:02:45 +0200
From:   "Rafael J. Wysocki" <rjw@...ysocki.net>
To:     Rajneesh Bhardwaj <rajneesh.bhardwaj@...ux.intel.com>
Cc:     linux-kernel@...r.kernel.org, len.brown@...el.com,
        rafael.j.wysocki@...el.com, linux-pm@...r.kernel.org
Subject: Re: [PATCH 2/2] powercap/rapl: Add Ice Lake NNPI support to RAPL driver

On Friday, June 14, 2019 10:05:23 AM CEST Rajneesh Bhardwaj wrote:
> Enables support for ICL-NNPI, which is a neural network processor for deep
> learning inference. From RAPL point of view it is same as Ice Lake Mobile
> processor.
> 
> Cc: "Rafael J. Wysocki" <rjw@...ysocki.net>
> Cc: linux-pm@...r.kernel.org
> Link: https://lkml.org/lkml/2019/6/5/1034
> Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@...ux.intel.com>
> ---
>  drivers/powercap/intel_rapl.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/powercap/intel_rapl.c b/drivers/powercap/intel_rapl.c
> index 4347f15165f8..431c8c8bdf07 100644
> --- a/drivers/powercap/intel_rapl.c
> +++ b/drivers/powercap/intel_rapl.c
> @@ -1157,6 +1157,7 @@ static const struct x86_cpu_id rapl_ids[] __initconst = {
>  	INTEL_CPU_FAM6(KABYLAKE_DESKTOP,	rapl_defaults_core),
>  	INTEL_CPU_FAM6(CANNONLAKE_MOBILE,	rapl_defaults_core),
>  	INTEL_CPU_FAM6(ICELAKE_MOBILE,		rapl_defaults_core),
> +	INTEL_CPU_FAM6(ICELAKE_NNPI,		rapl_defaults_core),
>  
>  	INTEL_CPU_FAM6(ATOM_SILVERMONT,		rapl_defaults_byt),
>  	INTEL_CPU_FAM6(ATOM_AIRMONT,		rapl_defaults_cht),
> 

It is in my queue, but I get build errors when I try to apply it.

I guess the definition of ICELAKE_NNPI is not there in the Linus' tree yet.