diff options
Diffstat (limited to 'drivers/cpufreq/acpi-cpufreq.c')
| -rw-r--r-- | drivers/cpufreq/acpi-cpufreq.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c index b61f4ec43e06..d62fd374d5c7 100644 --- a/drivers/cpufreq/acpi-cpufreq.c +++ b/drivers/cpufreq/acpi-cpufreq.c @@ -61,6 +61,7 @@ enum { #define INTEL_MSR_RANGE (0xffff) #define AMD_MSR_RANGE (0x7) +#define HYGON_MSR_RANGE (0x7) #define MSR_K7_HWCR_CPB_DIS (1ULL << 25) @@ -95,6 +96,7 @@ static bool boost_state(unsigned int cpu) rdmsr_on_cpu(cpu, MSR_IA32_MISC_ENABLE, &lo, &hi); msr = lo | ((u64)hi << 32); return !(msr & MSR_IA32_MISC_ENABLE_TURBO_DISABLE); + case X86_VENDOR_HYGON: case X86_VENDOR_AMD: rdmsr_on_cpu(cpu, MSR_K7_HWCR, &lo, &hi); msr = lo | ((u64)hi << 32); @@ -113,6 +115,7 @@ static int boost_set_msr(bool enable) msr_addr = MSR_IA32_MISC_ENABLE; msr_mask = MSR_IA32_MISC_ENABLE_TURBO_DISABLE; break; + case X86_VENDOR_HYGON: case X86_VENDOR_AMD: msr_addr = MSR_K7_HWCR; msr_mask = MSR_K7_HWCR_CPB_DIS; @@ -225,6 +228,8 @@ static unsigned extract_msr(struct cpufreq_policy *policy, u32 msr) if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD) msr &= AMD_MSR_RANGE; + else if (boot_cpu_data.x86_vendor == X86_VENDOR_HYGON) + msr &= HYGON_MSR_RANGE; else msr &= INTEL_MSR_RANGE; |