DisplacerBasicCoord.ObjectShadingFalloffRefresh
Refresh
Deactivating these two settings will speed up the editor view display. Some deformations will simply not be refreshed. These settings have no influence on the final rendering. You can select from:
If this setting is active, object surfaces not facing the camera will not be deformed. This also serves to speed up the editor view. This setting also has no influence on the final rendering.