linux-kernel - Re: [PATCH] intel_idle: Add Comet Lake support

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Date:   Wed, 26 Feb 2020 22:47:35 +0100
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Harry Pan <harry.pan@...el.com>
Cc:     LKML <linux-kernel@...r.kernel.org>, Harry Pan <gs0622@...il.com>,
        Jacob Pan <jacob.jun.pan@...ux.intel.com>,
        Len Brown <lenb@...nel.org>,
        Linux PM <linux-pm@...r.kernel.org>
Subject: Re: [PATCH] intel_idle: Add Comet Lake support

On Wed, Feb 26, 2020 at 6:34 PM Harry Pan <harry.pan@...el.com> wrote:
>
> Add Comet Lake ID to enable intel_idle driver support.
> This is required for PC10 and S0ix.

That shouldn't be the case for Linux 5.6-rc as long as the ACPI tables
expose C10 in _CST, so have you checked that?

> Signed-off-by: Harry Pan <harry.pan@...el.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 347b08b56042..3cf292b2b7f1 100644
> --- a/drivers/idle/intel_idle.c
> +++ b/drivers/idle/intel_idle.c
> @@ -1086,6 +1086,8 @@ static const struct x86_cpu_id intel_idle_ids[] __initconst = {
>         INTEL_CPU_FAM6(KABYLAKE_L,              idle_cpu_skl),
>         INTEL_CPU_FAM6(KABYLAKE,                idle_cpu_skl),
>         INTEL_CPU_FAM6(SKYLAKE_X,               idle_cpu_skx),
> +       INTEL_CPU_FAM6(COMETLAKE_L,             idle_cpu_skl),
> +       INTEL_CPU_FAM6(COMETLAKE,               idle_cpu_skl),
>         INTEL_CPU_FAM6(XEON_PHI_KNL,            idle_cpu_knl),
>         INTEL_CPU_FAM6(XEON_PHI_KNM,            idle_cpu_knl),
>         INTEL_CPU_FAM6(ATOM_GOLDMONT,           idle_cpu_bxt),
> --
> 2.24.1
>