diff options
Diffstat (limited to 'src/soc/intel/cannonlake/cpu.c')
| -rw-r--r-- | src/soc/intel/cannonlake/cpu.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/soc/intel/cannonlake/cpu.c b/src/soc/intel/cannonlake/cpu.c index b0eaa5dd34..6682cdc7b9 100644 --- a/src/soc/intel/cannonlake/cpu.c +++ b/src/soc/intel/cannonlake/cpu.c @@ -384,8 +384,14 @@ static void configure_thermal_target(void) */ static void enable_pm_timer_emulation(void) { - /* ACPI PM timer emulation */ + const struct soc_intel_cannonlake_config *config; msr_t msr; + + config = config_of_path(SA_DEVFN_ROOT); + + /* Enable PM timer emulation only if ACPI PM timer is disabled */ + if (!config->PmTimerDisabled) + return; /* * The derived frequency is calculated as follows: * (CTC_FREQ * msr[63:32]) >> 32 = target frequency. |