dcn31_opp_create
pool->base.opps[i] = dcn31_opp_create(ctx, i);
pool->base.opps[i] = dcn31_opp_create(ctx, i);
pool->base.opps[i] = dcn31_opp_create(ctx, i);
pool->base.opps[i] = dcn31_opp_create(ctx, i);