* [PATCH] cpufreq: intel_pstate: Support Sapphire Rapids OOB mode
@ 2022-05-02 20:50 Srinivas Pandruvada
2022-05-11 17:18 ` Rafael J. Wysocki
0 siblings, 1 reply; 2+ messages in thread
From: Srinivas Pandruvada @ 2022-05-02 20:50 UTC (permalink / raw)
To: rafael, viresh.kumar; +Cc: lenb, linux-pm, linux-kernel, Srinivas Pandruvada
Prevent intel_pstate to load when OOB (Out Of Band) P-states mode is
enabled in Sapphire Rapids. The OOB identifying bits are same as the
prior generation CPUs like Ice Lake servers. So, also add Sapphire
Rapids to intel_pstate_cpu_oob_ids list.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
---
drivers/cpufreq/intel_pstate.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 846bb3a78788..76d59b3f35e4 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -2424,6 +2424,7 @@ static const struct x86_cpu_id intel_pstate_cpu_oob_ids[] __initconst = {
X86_MATCH(BROADWELL_X, core_funcs),
X86_MATCH(SKYLAKE_X, core_funcs),
X86_MATCH(ICELAKE_X, core_funcs),
+ X86_MATCH(SAPPHIRERAPIDS_X, core_funcs),
{}
};
--
2.31.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] cpufreq: intel_pstate: Support Sapphire Rapids OOB mode
2022-05-02 20:50 [PATCH] cpufreq: intel_pstate: Support Sapphire Rapids OOB mode Srinivas Pandruvada
@ 2022-05-11 17:18 ` Rafael J. Wysocki
0 siblings, 0 replies; 2+ messages in thread
From: Rafael J. Wysocki @ 2022-05-11 17:18 UTC (permalink / raw)
To: Srinivas Pandruvada
Cc: Rafael J. Wysocki, Viresh Kumar, Len Brown, Linux PM,
Linux Kernel Mailing List
On Mon, May 2, 2022 at 10:50 PM Srinivas Pandruvada
<srinivas.pandruvada@linux.intel.com> wrote:
>
> Prevent intel_pstate to load when OOB (Out Of Band) P-states mode is
> enabled in Sapphire Rapids. The OOB identifying bits are same as the
> prior generation CPUs like Ice Lake servers. So, also add Sapphire
> Rapids to intel_pstate_cpu_oob_ids list.
>
> Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
> ---
> drivers/cpufreq/intel_pstate.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
> index 846bb3a78788..76d59b3f35e4 100644
> --- a/drivers/cpufreq/intel_pstate.c
> +++ b/drivers/cpufreq/intel_pstate.c
> @@ -2424,6 +2424,7 @@ static const struct x86_cpu_id intel_pstate_cpu_oob_ids[] __initconst = {
> X86_MATCH(BROADWELL_X, core_funcs),
> X86_MATCH(SKYLAKE_X, core_funcs),
> X86_MATCH(ICELAKE_X, core_funcs),
> + X86_MATCH(SAPPHIRERAPIDS_X, core_funcs),
> {}
> };
>
> --
Applied as 5.19 material, thanks!
^ permalink raw reply [flat|nested] 2+ messages in thread
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