};
 
 static void simpledrm_primary_plane_helper_atomic_update(struct drm_plane *plane,
-                                                        struct drm_atomic_state *old_state)
+                                                        struct drm_atomic_state *state)
 {
-       struct drm_plane_state *plane_state = plane->state;
-       struct drm_plane_state *old_plane_state = drm_atomic_get_old_plane_state(old_state, plane);
+       struct drm_plane_state *plane_state = drm_atomic_get_new_plane_state(state, plane);
+       struct drm_plane_state *old_plane_state = drm_atomic_get_old_plane_state(state, plane);
        struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(plane_state);
        struct drm_framebuffer *fb = plane_state->fb;
        struct drm_device *dev = plane->dev;
 }
 
 static void simpledrm_primary_plane_helper_atomic_disable(struct drm_plane *plane,
-                                                         struct drm_atomic_state *old_state)
+                                                         struct drm_atomic_state *state)
 {
        struct drm_device *dev = plane->dev;
        struct simpledrm_device *sdev = simpledrm_device_of_dev(dev);