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-rw-r--r--src/soc/intel/broadwell/cpu.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/src/soc/intel/broadwell/cpu.c b/src/soc/intel/broadwell/cpu.c
index 1f2ee0d7ba..912f8ae554 100644
--- a/src/soc/intel/broadwell/cpu.c
+++ b/src/soc/intel/broadwell/cpu.c
@@ -485,7 +485,10 @@ static void set_max_ratio(void)
perf_ctl.hi = 0;
/* Check for configurable TDP option */
- if (cpu_config_tdp_levels()) {
+ if (get_turbo_state() == TURBO_ENABLED) {
+ msr = rdmsr(MSR_TURBO_RATIO_LIMIT);
+ perf_ctl.lo = (msr.lo & 0xff) << 8;
+ } else if (cpu_config_tdp_levels()) {
/* Set to nominal TDP ratio */
msr = rdmsr(MSR_CONFIG_TDP_NOMINAL);
perf_ctl.lo = (msr.lo & 0xff) << 8;
@@ -587,9 +590,6 @@ static void cpu_core_init(device_t cpu)
/* Set energy policy */
set_energy_perf_bias(ENERGY_POLICY_NORMAL);
- /* Set Max Ratio */
- set_max_ratio();
-
/* Enable Turbo */
enable_turbo();
}
@@ -692,6 +692,9 @@ void broadwell_init_cpus(device_t dev)
printk(BIOS_ERR, "MP initialization failure.\n");
}
+ /* Set Max Ratio */
+ set_max_ratio();
+
/* Restore the default SMM region. */
restore_default_smm_area(smm_save_area);
}