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-rw-r--r--include/linux/amd-pstate.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/amd-pstate.h b/include/linux/amd-pstate.h
index 6ad02ad9c7b4..68fc1bd8d851 100644
--- a/include/linux/amd-pstate.h
+++ b/include/linux/amd-pstate.h
@@ -52,6 +52,9 @@ struct amd_aperf_mperf {
* @prev: Last Aperf/Mperf/tsc count value read from register
* @freq: current cpu frequency value
* @boost_supported: check whether the Processor or SBIOS supports boost mode
+ * @hw_prefcore: check whether HW supports preferred core featue.
+ * Only when hw_prefcore and early prefcore param are true,
+ * AMD P-State driver supports preferred core featue.
* @epp_policy: Last saved policy used to set energy-performance preference
* @epp_cached: Cached CPPC energy-performance preference value
* @policy: Cpufreq policy value
@@ -85,6 +88,7 @@ struct amd_cpudata {
u64 freq;
bool boost_supported;
+ bool hw_prefcore;
/* EPP feature related attributes*/
s16 epp_policy;