diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h
index 5d5f85db43f01b8ad84b8ccc277f4ea9a3fb30ba..d6d241f63b9f8e4c3a9310008f17b9439f7fa2ed 100644
--- a/include/drm/drm_atomic.h
+++ b/include/drm/drm_atomic.h
@@ -418,7 +418,7 @@ int drm_atomic_debugfs_cleanup(struct drm_minor *minor);
  * should clear mode_changed during its ->atomic_check.
  */
 static inline bool
-drm_atomic_crtc_needs_modeset(struct drm_crtc_state *state)
+drm_atomic_crtc_needs_modeset(const struct drm_crtc_state *state)
 {
 	return state->mode_changed || state->active_changed ||
 	       state->connectors_changed;