Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32f7/STM32F767/DSI/DSI_WPCR3#0x0
DSI Wrapper PHY Configuration Register 3
tCLK-PREPARE
tCLK-ZERO
tHS-PREPARE
tHSTRAIL
https://github.com/modm-io/cmsis-svd-stm32