Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/Series0/EFM32WG/EFM32WG890F64/EBI/TFTPOLARITY#0x0
TFT Polarity Register
TFT Chip Select Polarity
TFT DCLK Polarity
TFT DATAEN Polarity
Address Latch Polarity
VSYNC Polarity
https://github.com/cmsis-svd/cmsis-svd-data