drm_exec_prepare_array
r = drm_exec_prepare_array(&exec, gobj_read, num_read_bo_handles, 1);
r = drm_exec_prepare_array(&exec, gobj_write, num_write_bo_handles, 1);
r = drm_exec_prepare_array(&exec, gobj_read, num_read_bo_handles, 1);
r = drm_exec_prepare_array(&exec, gobj_write, num_write_bo_handles, 1);
EXPORT_SYMBOL(drm_exec_prepare_array);
return drm_exec_prepare_array(&vm_exec->exec, args->objs,
int drm_exec_prepare_array(struct drm_exec *exec,