diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index b6f40781b907a7..c6f7946889d008 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -703,6 +703,10 @@ vmw_du_cursor_plane_prepare_fb(struct drm_plane *plane,
 	int ret = 0;
 
 	if (vps->surf) {
+		if (vps->surf_mapped) {
+			vmw_bo_unmap(vps->surf->res.guest_memory_bo);
+			vps->surf_mapped = false;
+		}
 		vmw_surface_unreference(&vps->surf);
 		vps->surf = NULL;
 	}