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Ryzen 2400 G (Navi 11) & LG 27UD58-B = No 10-bit possible

Question asked by shentao on Aug 15, 2019
Latest reply on Aug 19, 2019 by shentao

Hi, 

 

I cannot get  3840x2160@60hz, YCbCr 4:2:2, 10-bit running. It does not work as opposed to the monitor's specs. Only 8 bit available.

 

3840x2160@30hz, ycbcr 4:2:2, 10-bit works fine, but 30hz is not really preferable. 

 

GPU-Scaling on or off does not make a difference. I guess that this is a driver-related issue, since 3840x2160@60hz, YCbCr 4:2:2, 10-bit is being supported by the monitor, by the HDMI cable, by the mainboard (HDMI 2.0) and by the APU (Navi 11)

 

 

  • Graphics: Ryzen 2400 G (Navi 11) 
  • Mainboard: Gigabyte Aorus B450 M (on-board HDMI) 
  • Monitor: LG 27UD58-B 
  • Connection: Certified Premium HDMI Cable 
  • Driver: 19.5.2

 

EDID:

00 FF FF FF FF FF FF 00 1E 6D 08 5B DD 9B 05 00
03 1D 01 03 80 3C 22 78 EA 30 35 A7 55 4E A3 26
0F 50 54 21 08 00 71 40 81 80 81 C0 A9 C0 D1 C0
81 00 01 01 01 01 08 E8 00 30 F2 70 5A 80 B0 58
8A 00 C0 1C 32 00 00 1E 04 74 00 30 F2 70 5A 80
B0 58 8A 00 C0 1C 32 00 00 1A 00 00 00 FC 00 4C
47 20 55 6C 74 72 61 20 48 44 0A 20 00 00 00 10
00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 1B
02 03 30 70 4D 90 22 20 05 04 03 02 01 61 60 5D
5E 5F 23 09 07 07 6D 03 0C 00 10 00 B8 3C 20 00
60 01 02 03 67 D8 5D C4 01 78 80 03 E3 0F 00 06
02 3A 80 18 71 38 2D 40 58 2C 45 00 E0 0E 11 00
00 1A 56 5E 00 A0 A0 A0 29 50 30 20 35 00 80 68
21 00 00 1A 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 3D

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