diff options
| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2025-10-15 15:46:40 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2025-10-20 21:20:49 +0200 |
| commit | 528dde6619677ac6dc26d9dda1e3c9014b4a08c8 (patch) | |
| tree | e06afddfcb547ec81117776f22ceda3b8e3135d1 | |
| parent | 6db0f533d320fab54154b0207e9df108427dd939 (diff) | |
cpufreq: intel_pstate: Add and use hybrid_get_cpu_type()
Introduce a function for identifying the type of a given CPU in a
hybrid system, called hybrid_get_cpu_type(), and use if for hybrid
scaling factor determination in hwp_get_cpu_scaling().
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://patch.msgid.link/1954386.tdWV9SEqCh@rafael.j.wysocki
| -rw-r--r-- | drivers/cpufreq/intel_pstate.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 38897bb14a2c..22316c930864 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -912,6 +912,11 @@ static struct freq_attr *hwp_cpufreq_attrs[] = { [HWP_CPUFREQ_ATTR_COUNT] = NULL, }; +static u8 hybrid_get_cpu_type(unsigned int cpu) +{ + return cpu_data(cpu).topo.intel_type; +} + static bool no_cas __ro_after_init; static struct cpudata *hybrid_max_perf_cpu __read_mostly; @@ -2298,18 +2303,14 @@ static int knl_get_turbo_pstate(int cpu) static int hwp_get_cpu_scaling(int cpu) { if (hybrid_scaling_factor) { - struct cpuinfo_x86 *c = &cpu_data(cpu); - u8 cpu_type = c->topo.intel_type; - /* * Return the hybrid scaling factor for P-cores and use the * default core scaling for E-cores. */ - if (cpu_type == INTEL_CPU_TYPE_CORE) + if (hybrid_get_cpu_type(cpu) == INTEL_CPU_TYPE_CORE) return hybrid_scaling_factor; - if (cpu_type == INTEL_CPU_TYPE_ATOM) - return core_get_scaling(); + return core_get_scaling(); } /* Use core scaling on non-hybrid systems. */ |