Linux -  Kodi 17.4 powered by Odroid C2 like board - 4k playback distorted completely
#1
Please help, I am at my wits end!!!
I have a TV box much similar to Odroid C2 (powered by Amlogic S905 with MALI 450 GPU). The TV box is connected to a TCL 403 49inch 4k TV using HDMI 2.0b 4K 60hz cables.

I am able to play 1080p movies just fine. The problem is when I try to play 4k movies. I have tried every possible combination I can think of and have ended up with the same result - TV showing 4k mode as 75% of screen as black and 25% as white with a distorted bar separating them.

Scenario 1:
- If Linux OS is set to 4k then the Kodi interface shrinks to top left corner to take 25% of screen. (Kodi UI set to 1080p) 
- so I change the Kodi UI resolution to 3840x2160p and that makes the screen go black and white with distorted horizontal bar separating them (see attached screenshot - 4k-tv.img)
- Adjust refresh rate (I've tried ON and OFF both), no difference in result
- The log for this test are here  : KodiUiChangedTo4K

Scenario 2:
- Linux OS is set to 4k then the Kodi interface shrinks to top left corner to take 25% of screen. (Kodi UI set to 1080p) 
- Adjust refresh rate automatically (I've tried ON and OFF both), same result
- with this smaller UI displayed, I tried playing 4k movie, and it ends up with TV displaying the black and white screen with a distorted bar.
- Debug logs for this test are here :   DebugLevelLogsFromKodi 

Scenario 3:
- Linux OS set to 1080p, kodi UI set to 1080p. looks good.
- Adjust refresh rate OFF
- Play 4k movie, it plays fine on TV. But the TV never switched resolution to 4k. It still shows 1080p. (As expected, adjust refresh rate is set to OFF)

Scenario 4:
- Linux OS set to 1080p, kodi UI set to 1080p. looks good.
- Adjust refresh rate ON
- Tried playing 4k movie, it gives me the same back and white screen with distorted bar.

Thanks in advance.
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#2
Thread moved to Linux - posted in completely the wrong section
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