Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32h7/STM32H723/Ethernet_MAC/DMADSR#0x0
Debug status register
AHB Master Write Channel
DMA Channel Receive Process State
DMA Channel Transmit Process State
https://github.com/modm-io/cmsis-svd-stm32