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-rw-r--r--src/soc/intel/alderlake/chip.h3
-rw-r--r--src/soc/intel/alderlake/fsp_params.c2
2 files changed, 4 insertions, 1 deletions
diff --git a/src/soc/intel/alderlake/chip.h b/src/soc/intel/alderlake/chip.h
index b1e90fa774..2f94db65df 100644
--- a/src/soc/intel/alderlake/chip.h
+++ b/src/soc/intel/alderlake/chip.h
@@ -736,6 +736,9 @@ struct soc_intel_alderlake_config {
*/
bool disable_package_c_state_demotion;
+ /* Enable Enhanced C States */
+ bool enable_c1e;
+
/* i915 struct for GMA backlight control */
struct i915_gpu_controller_info gfx;
diff --git a/src/soc/intel/alderlake/fsp_params.c b/src/soc/intel/alderlake/fsp_params.c
index 4ceda50fb4..5edfbcc781 100644
--- a/src/soc/intel/alderlake/fsp_params.c
+++ b/src/soc/intel/alderlake/fsp_params.c
@@ -1070,7 +1070,7 @@ static void fill_fsps_misc_power_params(FSP_S_CONFIG *s_cfg,
s_cfg->PkgCStateDemotion = !config->disable_package_c_state_demotion;
if (cpu_id == CPUID_RAPTORLAKE_J0 || cpu_id == CPUID_RAPTORLAKE_Q0)
- s_cfg->C1e = 0;
+ s_cfg->C1e = config->enable_c1e;
else
s_cfg->C1e = 1;
#if CONFIG(SOC_INTEL_RAPTORLAKE) && !CONFIG(FSP_USE_REPO)