diff options
Diffstat (limited to 'src/soc/intel')
| -rw-r--r-- | src/soc/intel/broadwell/cpu.c | 11 |
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); } |