Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/STMicroelectronics/STM32F7x8/DSI/DSI_WPCR3#0x0
DSI Wrapper PHY Configuration Register 3
tCLK-PREPARE
tCLK-ZERO
tHS-PREPARE
tHSTRAIL
https://github.com/cmsis-svd/cmsis-svd-data