1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 1405b393c93d..0e841eecb743 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -948,6 +948,7 @@ static struct cpufreq_driver intel_pstate_driver = {
 
 static int __initdata no_load;
 static int __initdata no_hwp;
+static unsigned int force_load;
 
 static int intel_pstate_msrs_not_valid(void)
 {
@@ -1094,7 +1095,8 @@ static bool intel_pstate_platform_pwr_mgmt_exists(void)
                         case PSS:
                                 return intel_pstate_no_acpi_pss();
                         case PPC:
-                                return intel_pstate_has_acpi_ppc();
+                                return intel_pstate_has_acpi_ppc() &&
+                                        (!force_load);
                         }
         }
 
@@ -1175,6 +1177,8 @@ static int __init intel_pstate_setup(char *str)
                 no_load = 1;
         if (!strcmp(str, "no_hwp"))
                 no_hwp = 1;
+        if (!strcmp(str, "force"))
+                force_load = 1;
         return 0;
 }
 early_param("intel_pstate", intel_pstate_setup);