Got the GUI at 2160p/50
480p/24 plays as 1080p/24
480p/30 plays as 720p/60
576p/25 plays as 720p/50
720p/24 plays as 1080p/24
720p/25 plays as 720p/50
1080p/24 plays as 1080p/24
1080p/25 plays as 1080p/50
2160p/24 plays as 2160p/24
2160p/60 plays as 2160p/60
/sys/class/amhdmitx/amhdmitx0/disp_cap
480p60hz
576p50hz
720p60hz
1080i60hz
1080p60hz
720p50hz
1080i50hz
1080p30hz
1080p50hz
1080p24hz
2160p30hz
2160p25hz
2160p24hz
smpte24hz
smpte50hz
smpte60hz
smpte50hz420
smpte60hz420
2160p50hz
2160p60hz
2160p50hz420
2160p60hz420