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

From: Rafael J. Wysocki
Date: Thu Jun 27 2019 - 18:02:49 EST


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@xxxxxxxxxxxxx>
> Cc: linux-pm@xxxxxxxxxxxxxxx
> Link: https://lkml.org/lkml/2019/6/5/1034
> Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@xxxxxxxxxxxxxxx>
> ---
> 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.