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SubjectRe: [PATCH v3] intel_idle: Add Comet Lake support
On Tue, Mar 3, 2020 at 10:10 AM Harry Pan <harry.pan@intel.com> wrote:
>
> Add a general C-state table in order to support Comet Lake.
>
> Signed-off-by: Harry Pan <harry.pan@intel.com>
>
> ---
>
> drivers/idle/intel_idle.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
> index d55606608ac8..05bce595fafe 100644
> --- a/drivers/idle/intel_idle.c
> +++ b/drivers/idle/intel_idle.c
> @@ -1067,6 +1067,11 @@ static const struct idle_cpu idle_cpu_dnv = {
> .use_acpi = true,
> };
>
> +static const struct idle_cpu idle_cpu_cml = {
> + .state_table = skl_cstates,
> + .disable_promotion_to_c1e = true,

.use_acpi = true,

missing? Otherwise you can just use idle_cpu_skl as is, can't you?

> +};
> +
> static const struct x86_cpu_id intel_idle_ids[] __initconst = {
> INTEL_CPU_FAM6(NEHALEM_EP, idle_cpu_nhx),
> INTEL_CPU_FAM6(NEHALEM, idle_cpu_nehalem),
> @@ -1105,6 +1110,8 @@ static const struct x86_cpu_id intel_idle_ids[] __initconst = {
> INTEL_CPU_FAM6(ATOM_GOLDMONT_PLUS, idle_cpu_bxt),
> INTEL_CPU_FAM6(ATOM_GOLDMONT_D, idle_cpu_dnv),
> INTEL_CPU_FAM6(ATOM_TREMONT_D, idle_cpu_dnv),
> + INTEL_CPU_FAM6(COMETLAKE_L, idle_cpu_cml),
> + INTEL_CPU_FAM6(COMETLAKE, idle_cpu_cml),
> {}
> };
>
> --
> 2.24.1
>

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