We see dull colours on our LCD, using "modetest" on our custom board, while the colours are bright when the same LCD hangs on the DK2. Are there possible causes we could check? Colour space, gamma correction?
We have made a custom board with an STM32MP157CAD MPU, this board is very similar to the DK2. We have adapted an LCD driver to support our LCD screen, over the DSI interface. It works, both on the DK2 with our own LCD screen, and on our custom board ...