QT can build for open source on many platform not only for Toybrick board
and support arm64 cross compile for linuxfb, glesv2, on rk3566 or rk3568
all rochchip evb can set linuxfb defconfig to enable it
Our legal department says that if we tell our customers how to use these source codes in official channels, it is also illegal to lead them to use copyright codes.