Hardware-accelerated 4K video on RK3588 with Linux 7.0

Background Collabora team has been doing amazing work. Now you don't need to use vendor BSP to use hardware acceleration. Now with upstream linux kernel 7.0, you can play 4K 60fps video with hardware acceleration without any vendor kernel patch. First of all, thank you so much to my friend for lending me Odroid-M2 1 in this RAMpocalypse. But how to do it? I couldn't find a guide on how to actually…