diff options
Diffstat (limited to 'src/soc/amd')
| -rw-r--r-- | src/soc/amd/common/block/acpi/cpu_power_state.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/soc/amd/common/block/acpi/cpu_power_state.c b/src/soc/amd/common/block/acpi/cpu_power_state.c index d518ea082e..2cfc3cb57c 100644 --- a/src/soc/amd/common/block/acpi/cpu_power_state.c +++ b/src/soc/amd/common/block/acpi/cpu_power_state.c @@ -46,6 +46,11 @@ static uint32_t get_pstate_core_power(union pstate_msr pstate_reg) return power_in_mw; } +static uint32_t get_visible_pstate_count(void) +{ + return (rdmsr(PS_LIM_REG).lo & PS_LIM_MAX_VAL_MASK) >> PS_MAX_VAL_SHFT; +} + /* * Populate structure describing enabled p-states and return count of enabled p-states. */ @@ -57,7 +62,7 @@ static size_t get_pstate_info(struct acpi_sw_pstate *pstate_values, uint32_t max_pstate; pstate_count = 0; - max_pstate = (rdmsr(PS_LIM_REG).lo & PS_LIM_MAX_VAL_MASK) >> PS_MAX_VAL_SHFT; + max_pstate = get_visible_pstate_count(); for (pstate = 0; pstate <= max_pstate; pstate++) { pstate_reg.raw = rdmsr(PSTATE_MSR(pstate)).raw; |