Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Atmel/AT91SAM9G10/LCDC/LCDTIM2#0x0
LCD Timing Register 2
Horizontal Back Porch
Horizontal synchronization pulse width
Horizontal Front Porch
https://github.com/cmsis-svd/cmsis-svd-data