tegrakernel/kernel/kernel-4.9/tools/power/cpupower/utils/helpers/misc.c

28 lines
635 B
C

#if defined(__i386__) || defined(__x86_64__)
#include "helpers/helpers.h"
int cpufreq_has_boost_support(unsigned int cpu, int *support, int *active,
int *states)
{
struct cpupower_cpu_info cpu_info;
int ret;
*support = *active = *states = 0;
ret = get_cpu_info(0, &cpu_info);
if (ret)
return ret;
if (cpupower_cpu_info.caps & CPUPOWER_CAP_AMD_CBP) {
*support = 1;
amd_pci_get_num_boost_states(active, states);
if (ret <= 0)
return ret;
*support = 1;
} else if (cpupower_cpu_info.caps & CPUPOWER_CAP_INTEL_IDA)
*support = *active = 1;
return 0;
}
#endif /* #if defined(__i386__) || defined(__x86_64__) */