static const struct drm_plane_funcs malidp_de_plane_funcs = {
        .update_plane = drm_atomic_helper_update_plane,
        .disable_plane = drm_atomic_helper_disable_plane,
-       .set_property = drm_atomic_helper_plane_set_property,
        .destroy = malidp_de_plane_destroy,
        .reset = malidp_plane_reset,
        .atomic_duplicate_state = malidp_duplicate_plane_state,
 
 static const struct drm_plane_funcs layer_plane_funcs = {
        .update_plane = drm_atomic_helper_update_plane,
        .disable_plane = drm_atomic_helper_disable_plane,
-       .set_property = drm_atomic_helper_plane_set_property,
        .destroy = atmel_hlcdc_plane_destroy,
        .reset = atmel_hlcdc_plane_reset,
        .atomic_duplicate_state = atmel_hlcdc_plane_atomic_duplicate_state,
 
  * RETURNS:
  * Zero on success, error code on failure
  */
-int drm_atomic_plane_set_property(struct drm_plane *plane,
+static int drm_atomic_plane_set_property(struct drm_plane *plane,
                struct drm_plane_state *state, struct drm_property *property,
                uint64_t val)
 {
 
        return 0;
 }
-EXPORT_SYMBOL(drm_atomic_plane_set_property);
 
 /**
  * drm_atomic_plane_get_property - get property value from plane state
 
 }
 EXPORT_SYMBOL(drm_atomic_helper_resume);
 
-/**
- * drm_atomic_helper_plane_set_property - helper for plane properties
- * @plane: DRM plane
- * @property: DRM property
- * @val: value of property
- *
- * Provides a default plane set_property handler using the atomic driver
- * interface.
- *
- * RETURNS:
- * Zero on success, error code on failure
- */
-int
-drm_atomic_helper_plane_set_property(struct drm_plane *plane,
-                                   struct drm_property *property,
-                                   uint64_t val)
-{
-       struct drm_atomic_state *state;
-       struct drm_plane_state *plane_state;
-       int ret = 0;
-
-       state = drm_atomic_state_alloc(plane->dev);
-       if (!state)
-               return -ENOMEM;
-
-       /* ->set_property is always called with all locks held. */
-       state->acquire_ctx = plane->dev->mode_config.acquire_ctx;
-retry:
-       plane_state = drm_atomic_get_plane_state(state, plane);
-       if (IS_ERR(plane_state)) {
-               ret = PTR_ERR(plane_state);
-               goto fail;
-       }
-
-       ret = drm_atomic_plane_set_property(plane, plane_state,
-                       property, val);
-       if (ret)
-               goto fail;
-
-       ret = drm_atomic_commit(state);
-fail:
-       if (ret == -EDEADLK)
-               goto backoff;
-
-       drm_atomic_state_put(state);
-       return ret;
-
-backoff:
-       drm_atomic_state_clear(state);
-       drm_atomic_legacy_backoff(state);
-
-       goto retry;
-}
-EXPORT_SYMBOL(drm_atomic_helper_plane_set_property);
-
 /**
  * drm_atomic_helper_connector_set_property - helper for connector properties
  * @connector: DRM connector
 
        .update_plane   = drm_atomic_helper_update_plane,
        .disable_plane  = drm_atomic_helper_disable_plane,
        .destroy        = drm_plane_cleanup,
-       .set_property   = drm_atomic_helper_plane_set_property,
        .reset          = exynos_drm_plane_reset,
        .atomic_duplicate_state = exynos_drm_plane_duplicate_state,
        .atomic_destroy_state = exynos_drm_plane_destroy_state,
 
 static struct drm_plane_funcs hibmc_plane_funcs = {
        .update_plane   = drm_atomic_helper_update_plane,
        .disable_plane  = drm_atomic_helper_disable_plane,
-       .set_property = drm_atomic_helper_plane_set_property,
        .destroy = drm_plane_cleanup,
        .reset = drm_atomic_helper_plane_reset,
        .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
 
 static struct drm_plane_funcs ade_plane_funcs = {
        .update_plane   = drm_atomic_helper_update_plane,
        .disable_plane  = drm_atomic_helper_disable_plane,
-       .set_property = drm_atomic_helper_plane_set_property,
        .destroy = drm_plane_cleanup,
        .reset = drm_atomic_helper_plane_reset,
        .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
 
        .update_plane = drm_atomic_helper_update_plane,
        .disable_plane = drm_atomic_helper_disable_plane,
        .destroy = intel_plane_destroy,
-       .set_property = drm_atomic_helper_plane_set_property,
        .atomic_get_property = intel_plane_atomic_get_property,
        .atomic_set_property = intel_plane_atomic_set_property,
        .atomic_duplicate_state = intel_plane_duplicate_state,
        .update_plane = intel_legacy_cursor_update,
        .disable_plane = drm_atomic_helper_disable_plane,
        .destroy = intel_plane_destroy,
-       .set_property = drm_atomic_helper_plane_set_property,
        .atomic_get_property = intel_plane_atomic_get_property,
        .atomic_set_property = intel_plane_atomic_set_property,
        .atomic_duplicate_state = intel_plane_duplicate_state,
 
                .update_plane = drm_atomic_helper_update_plane,
                .disable_plane = drm_atomic_helper_disable_plane,
                .destroy = mdp5_plane_destroy,
-               .set_property = drm_atomic_helper_plane_set_property,
                .atomic_set_property = mdp5_plane_atomic_set_property,
                .atomic_get_property = mdp5_plane_atomic_get_property,
                .reset = mdp5_plane_reset,
                .update_plane = mdp5_update_cursor_plane_legacy,
                .disable_plane = drm_atomic_helper_disable_plane,
                .destroy = mdp5_plane_destroy,
-               .set_property = drm_atomic_helper_plane_set_property,
                .atomic_set_property = mdp5_plane_atomic_set_property,
                .atomic_get_property = mdp5_plane_atomic_get_property,
                .reset = mdp5_plane_reset,
 
        .disable_plane = drm_atomic_helper_disable_plane,
        .destroy = nv50_wndw_destroy,
        .reset = nv50_wndw_reset,
-       .set_property = drm_atomic_helper_plane_set_property,
        .atomic_duplicate_state = nv50_wndw_atomic_duplicate_state,
        .atomic_destroy_state = nv50_wndw_atomic_destroy_state,
 };
 
        .disable_plane = drm_atomic_helper_disable_plane,
        .reset = omap_plane_reset,
        .destroy = omap_plane_destroy,
-       .set_property = drm_atomic_helper_plane_set_property,
        .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
        .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
        .atomic_set_property = omap_plane_atomic_set_property,
 
        .update_plane = drm_atomic_helper_update_plane,
        .disable_plane = drm_atomic_helper_disable_plane,
        .reset = rcar_du_plane_reset,
-       .set_property = drm_atomic_helper_plane_set_property,
        .destroy = drm_plane_cleanup,
        .atomic_duplicate_state = rcar_du_plane_atomic_duplicate_state,
        .atomic_destroy_state = rcar_du_plane_atomic_destroy_state,
 
        .update_plane = drm_atomic_helper_update_plane,
        .disable_plane = drm_atomic_helper_disable_plane,
        .reset = rcar_du_vsp_plane_reset,
-       .set_property = drm_atomic_helper_plane_set_property,
        .destroy = drm_plane_cleanup,
        .atomic_duplicate_state = rcar_du_vsp_plane_atomic_duplicate_state,
        .atomic_destroy_state = rcar_du_vsp_plane_atomic_destroy_state,
 
        .update_plane = drm_atomic_helper_update_plane,
        .disable_plane = drm_atomic_helper_disable_plane,
        .destroy = sti_cursor_destroy,
-       .set_property = drm_atomic_helper_plane_set_property,
        .reset = sti_plane_reset,
        .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
        .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
 
        .update_plane = drm_atomic_helper_update_plane,
        .disable_plane = drm_atomic_helper_disable_plane,
        .destroy = sti_gdp_destroy,
-       .set_property = drm_atomic_helper_plane_set_property,
        .reset = sti_plane_reset,
        .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
        .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
 
        .update_plane = drm_atomic_helper_update_plane,
        .disable_plane = drm_atomic_helper_disable_plane,
        .destroy = sti_hqvdp_destroy,
-       .set_property = drm_atomic_helper_plane_set_property,
        .reset = sti_plane_reset,
        .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
        .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
 
        .update_plane = drm_atomic_helper_update_plane,
        .disable_plane = drm_atomic_helper_disable_plane,
        .destroy = drm_plane_cleanup,
-       .set_property = drm_atomic_helper_plane_set_property,
        .reset = drm_atomic_helper_plane_reset,
        .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
        .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
 
        .update_plane   = drm_atomic_helper_update_plane,
        .disable_plane  = drm_atomic_helper_disable_plane,
        .destroy        = drm_plane_cleanup,
-       .set_property   = drm_atomic_helper_plane_set_property,
        .reset          = drm_atomic_helper_plane_reset,
        .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
        .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
 
 struct drm_plane_state * __must_check
 drm_atomic_get_plane_state(struct drm_atomic_state *state,
                           struct drm_plane *plane);
-int drm_atomic_plane_set_property(struct drm_plane *plane,
-               struct drm_plane_state *state, struct drm_property *property,
-               uint64_t val);
 struct drm_connector_state * __must_check
 drm_atomic_get_connector_state(struct drm_atomic_state *state,
                               struct drm_connector *connector);
 
 int drm_atomic_helper_resume(struct drm_device *dev,
                             struct drm_atomic_state *state);
 
-int drm_atomic_helper_plane_set_property(struct drm_plane *plane,
-                                       struct drm_property *property,
-                                       uint64_t val);
 int drm_atomic_helper_connector_set_property(struct drm_connector *connector,
                                        struct drm_property *property,
                                        uint64_t val);