diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 43cdf39019a445..5186d2114a5037 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -3015,7 +3015,7 @@ int drm_atomic_helper_swap_state(struct drm_atomic_state *state,
 				  bool stall)
 {
 	int i, ret;
-	unsigned long flags;
+	unsigned long flags = 0;
 	struct drm_connector *connector;
 	struct drm_connector_state *old_conn_state, *new_conn_state;
 	struct drm_crtc *crtc;
diff --git a/include/drm/drm_panic.h b/include/drm/drm_panic.h
index 54085d5d05c345..f4e1fa9ae607a8 100644
--- a/include/drm/drm_panic.h
+++ b/include/drm/drm_panic.h
@@ -64,6 +64,8 @@ struct drm_scanout_buffer {
 
 };
 
+#ifdef CONFIG_DRM_PANIC
+
 /**
  * drm_panic_trylock - try to enter the panic printing critical section
  * @dev: struct drm_device
@@ -149,4 +151,16 @@ struct drm_scanout_buffer {
 #define drm_panic_unlock(dev, flags) \
 	raw_spin_unlock_irqrestore(&(dev)->mode_config.panic_lock, flags)
 
+#else
+
+static inline bool drm_panic_trylock(struct drm_device *dev, unsigned long flags)
+{
+	return true;
+}
+
+static inline void drm_panic_lock(struct drm_device *dev, unsigned long flags) {}
+static inline void drm_panic_unlock(struct drm_device *dev, unsigned long flags) {}
+
+#endif
+
 #endif /* __DRM_PANIC_H__ */