diff --git a/drivers/gpu/drm/i915/gt/intel_rc6.c b/drivers/gpu/drm/i915/gt/intel_rc6.c
index 9e303c29d6e3..04eeb7740e53 100644
--- a/drivers/gpu/drm/i915/gt/intel_rc6.c
+++ b/drivers/gpu/drm/i915/gt/intel_rc6.c
@@ -542,6 +542,8 @@ void intel_rc6_init(struct intel_rc6 *rc6)
 
 void intel_rc6_sanitize(struct intel_rc6 *rc6)
 {
+	memset(rc6->prev_hw_residency, 0, sizeof(rc6->prev_hw_residency));
+
 	if (rc6->enabled) { /* unbalanced suspend/resume */
 		rpm_get(rc6);
 		rc6->enabled = false;