Hi,   best way to follow mainline development is both the Collabora sheet here https://gitlab.collabora.com/hardware-enablement/rockchip-3588/notes-for-rockchip-3588/-/blob/main/mainline-status.md and the Linux/U-Boot ARM patchwork: https://patchwork.kernel.org/project/linux-arm-kernel/list/ https://patchwork.ozlabs.org/project/uboot/list/   Though none of this exists for 6.1.y or older 5.10.y since these kernels are from Rockchip SDK (and these are not even public