diff --git a/sys/dev/drm/amd/powerplay/hwmgr/vega10_processpptables.c b/sys/dev/drm/amd/powerplay/hwmgr/vega10_processpptables.c
--- a/sys/dev/drm/amd/powerplay/hwmgr/vega10_processpptables.c
+++ b/sys/dev/drm/amd/powerplay/hwmgr/vega10_processpptables.c
@@ -1305,7 +1305,7 @@
 		PP_ASSERT_WITH_CODE(state_arrays->ucNumEntries > 0,
 				"Invalid PowerPlay Table State Array.",
 				return -1);
-		PP_ASSERT_WITH_CODE((entry_index <= state_arrays->ucNumEntries),
+		PP_ASSERT_WITH_CODE((entry_index < state_arrays->ucNumEntries),
 				"Invalid PowerPlay Table State Array Entry.",
 				return -1);