RE: [PATCH 8/8] cpufreq: amd-pstate: Drop some uses of cpudata->hw_prefcore

[Yuan, Perry]

[AMD Official Use Only - AMD Internal Distribution Only]

> -----Original Message-----
> From: Mario Limonciello <superm1@xxxxxxxxxx>
> Sent: Tuesday, August 27, 2024 5:14 AM
> To: Borislav Petkov <bp@xxxxxxxxx>; Shenoy, Gautham Ranjal
> <gautham.shenoy@xxxxxxx>; Yuan, Perry <Perry.Yuan@xxxxxxx>
> Cc: maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT) <x86@xxxxxxxxxx>;
> Rafael J . Wysocki <rafael@xxxxxxxxxx>; open list:X86 ARCHITECTURE (32-BIT
> AND 64-BIT) <linux-kernel@xxxxxxxxxxxxxxx>; open list:ACPI <linux-
> acpi@xxxxxxxxxxxxxxx>; open list:CPU FREQUENCY SCALING FRAMEWORK
> <linux-pm@xxxxxxxxxxxxxxx>; Limonciello, Mario
> <Mario.Limonciello@xxxxxxx>
> Subject: [PATCH 8/8] cpufreq: amd-pstate: Drop some uses of cpudata-
> >hw_prefcore
>
> From: Mario Limonciello <mario.limonciello@xxxxxxx>
>
> As the global variable is cleared when preferred cores is not present the local
> variable use isn't needed in many functions.
> Drop it where possible.  No intended functional changes.
>
> Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>
> ---
>  drivers/cpufreq/amd-pstate.c | 7 +------
>  1 file changed, 1 insertion(+), 6 deletions(-)
>
> diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c
> index ed05d7a0add10..257e28e549bd1 100644
> --- a/drivers/cpufreq/amd-pstate.c
> +++ b/drivers/cpufreq/amd-pstate.c
> @@ -1112,12 +1112,7 @@ static ssize_t
> show_amd_pstate_prefcore_ranking(struct cpufreq_policy *policy,  static
> ssize_t show_amd_pstate_hw_prefcore(struct cpufreq_policy *policy,
>                                          char *buf)
>  {
> -     bool hw_prefcore;
> -     struct amd_cpudata *cpudata = policy->driver_data;
> -
> -     hw_prefcore = READ_ONCE(cpudata->hw_prefcore);
> -
> -     return sysfs_emit(buf, "%s\n", str_enabled_disabled(hw_prefcore));
> +     return sysfs_emit(buf, "%s\n",
> +str_enabled_disabled(amd_pstate_prefcore));
>  }
>
>  static ssize_t show_energy_performance_available_preferences(
> --
> 2.43.0
>

Reviewed-by: Perry Yuan <perry.yuan@xxxxxxx>


Best Regards.

Perry.