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Merge back cpufreq material for 5.10.

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This commit is contained in:
Rafael J. Wysocki
2020-10-05 13:12:02 +02:00
parent fc7d17551f 15e5d5b45b
commit fccd2f0e62
12 changed files with 69 additions and 51 deletions
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13
drivers/base/arch_topology.c
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@@ -21,18 +21,27 @@
#include <linux/sched.h>
#include <linux/smp.h>
__weak bool arch_freq_counters_available(struct cpumask *cpus)
bool topology_scale_freq_invariant(void)
{
return cpufreq_supports_freq_invariance() ||
arch_freq_counters_available(cpu_online_mask);
}
__weak bool arch_freq_counters_available(const struct cpumask *cpus)
{
return false;
}
DEFINE_PER_CPU(unsigned long, freq_scale) = SCHED_CAPACITY_SCALE;
void arch_set_freq_scale(struct cpumask *cpus, unsigned long cur_freq,
void arch_set_freq_scale(const struct cpumask *cpus, unsigned long cur_freq,
unsigned long max_freq)
{
unsigned long scale;
int i;
if (WARN_ON_ONCE(!cur_freq || !max_freq))
return;
/*
* If the use of counters for FIE is enabled, just return as we don't
* want to update the scale factor with information from CPUFREQ.