linux-kernel - Re: [PATCH] x86/intel

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Date:   Fri, 28 Apr 2017 23:56:14 -0400
From:   Len Brown <lenb@...nel.org>
To:     "David E. Box" <david.e.box@...ux.intel.com>
Cc:     Jacob Pan <jacob.jun.pan@...ux.intel.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Linux PM list <linux-pm@...r.kernel.org>
Subject: Re: [PATCH] x86/intel_idle: add GLK support

Acked-by: Len Brown <len.brown@...el.com>

On Sun, Apr 23, 2017 at 2:06 AM, David E. Box
<david.e.box@...ux.intel.com> wrote:
> From: "Box, David E" <david.e.box@...el.com>
>
> Gemini Lake uses the same C-states as Broxton and also uses the
> IRTL MSR's to determine maximum C-state latency.
>
> Signed-off-by: David E. Box <david.e.box@...ux.intel.com>
> ---
>  drivers/idle/intel_idle.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
> index e045a5c..778af71 100644
> --- a/drivers/idle/intel_idle.c
> +++ b/drivers/idle/intel_idle.c
> @@ -1097,6 +1097,7 @@ static const struct x86_cpu_id intel_idle_ids[] __initconst = {
>         ICPU(INTEL_FAM6_XEON_PHI_KNL,           idle_cpu_knl),
>         ICPU(INTEL_FAM6_XEON_PHI_KNM,           idle_cpu_knl),
>         ICPU(INTEL_FAM6_ATOM_GOLDMONT,          idle_cpu_bxt),
> +       ICPU(INTEL_FAM6_ATOM_GEMINI_LAKE,       idle_cpu_bxt),
>         ICPU(INTEL_FAM6_ATOM_DENVERTON,         idle_cpu_dnv),
>         {}
>  };
> @@ -1309,6 +1310,7 @@ static void intel_idle_state_table_update(void)
>                 ivt_idle_state_table_update();
>                 break;
>         case INTEL_FAM6_ATOM_GOLDMONT:
> +       case INTEL_FAM6_ATOM_GEMINI_LAKE:
>                 bxt_idle_state_table_update();
>                 break;
>         case INTEL_FAM6_SKYLAKE_DESKTOP:
> --
> 2.9.3
>



-- 
Len Brown, Intel Open Source Technology Center