GSP_SEQ_BUF_OPCODE_REG_MODIFY
case GSP_SEQ_BUF_OPCODE_REG_MODIFY: {
(opcode == GSP_SEQ_BUF_OPCODE_REG_MODIFY) ? (sizeof(GSP_SEQ_BUF_PAYLOAD_REG_MODIFY) / sizeof(NvU32)) : \