vrend: set resource size for minigbm allocation

Signed-off-by: Yiwei Zhang <zzyiwei@chromium.org>
Reviewed-by: Chia-I Wu <olvaffe@gmail.com>

src/vrend_renderer.c

@@ -7179,6 +7179,10 @@ static void vrend_resource_gbm_init(struct vrend_resource *gr, uint32_t format)
    else
       gr->map_info = VIRGL_RENDERER_MAP_CACHE_WC;
 
+   int num_planes = gbm_bo_get_plane_count(bo);
+   for (int plane = 0; plane < num_planes; plane++)
+      gr->size += gbm_bo_get_plane_size(bo, plane);
+
    if (!virgl_gbm_gpu_import_required(gr->base.bind))
       return;