mdp_cfg_get_id_inner
s32 mdp_cfg_get_id_inner(struct mdp_dev *mdp_dev, enum mtk_mdp_comp_id id);
rdma0 = mdp_cfg_get_id_inner(ctx->comp->mdp_dev, MDP_COMP_RDMA0);
rsz1 = mdp_cfg_get_id_inner(ctx->comp->mdp_dev, MDP_COMP_RSZ1);
rdma0 = mdp_cfg_get_id_inner(ctx->comp->mdp_dev, MDP_COMP_RDMA0);