[fab67]

@fritsh nope

To be clear I summerized :

available mode :
4096x2160p 24
3840x2160p 24,25,30
2560x1440 60
1920x1080 24,25,30,50,60

now samples I played:
3840x2160p50 best mode is 1080p50 kodi played 1080p50 : ok
3840x2160p30 best mode is 3840x2160p30 kodi played 1440p60 : not ok ( double framerate )
3840x2160p25 best mode is 3840x2160p25 kodi played 1080p50 : not ok ( double framerate )
3840x2160p60 best mode is 2560x1440p60 kodi played 1440p60 : ok
4096x2160p24 best mode is 4096x2160p24 kodi played 4096x2160p24 : ok
4096x2160p25 best mode is 3840x2160p25 kodi played 1080p50 : not ok ( double framerate )

log : http://pastebin.com/pL8XW6zX