Hi Alistair, On Sat, Oct 9, 2021 at 8:52 AM Alistair Francis <alistair@xxxxxxxxxxxxx> wrote: > > The BACKLIGHT_CLASS_DEVICE config is required for the already enabled > DRM_SIMPLE_PANEL to work so let's enable BACKLIGHT_CLASS_DEVICE. > > This allows the mxsfb probe to complete successfully on the reMarkable > 2. > > Signed-off-by: Alistair Francis <alistair@xxxxxxxxxxxxx> With the commit below applied, CONFIG_BACKLIGHT_CLASS_DEVICE is automatically selected: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/arch/arm/configs/imx_v6_v7_defconfig?h=next-20211008&id=c54467482ffd407a4404c990697f432bfcb6cdc4
