Actually, while I think of it, could you connect an hdmi cable directly between the computer and TV (hdmi-1), then post the output of
xrandr --verbose
Computer now connects directly to HDMI 1
Very interesting!
daniel@daniel-System-Product-Name:~$ xrandr --verbose
Screen 0: minimum 8 x 8, current 4096 x 2160, maximum 16384 x 16384
DVI-I-0 disconnected (normal left inverted right x axis y axis)
Identifier: 0x27e
Timestamp: 1819771
Subpixel: unknown
Clones:
CRTCs: 0 1 2 3
Transform: 1.000000 0.000000 0.000000
0.000000 1.000000 0.000000
0.000000 0.000000 1.000000
filter:
CscMatrix: 65536 0 0 0 0 65536 0 0 0 0 65536 0
BorderDimensions: 4
supported: 4
Border: 0 0 0 0
range: (0, 65535)
SignalFormat: VGA
supported: VGA
ConnectorType: DVI-I
ConnectorNumber: 0
_ConnectorLocation: 0
DVI-I-1 disconnected (normal left inverted right x axis y axis)
Identifier: 0x27f
Timestamp: 1819771
Subpixel: unknown
Clones:
CRTCs: 0 1 2 3
Transform: 1.000000 0.000000 0.000000
0.000000 1.000000 0.000000
0.000000 0.000000 1.000000
filter:
CscMatrix: 65536 0 0 0 0 65536 0 0 0 0 65536 0
BorderDimensions: 4
supported: 4
Border: 0 0 0 0
range: (0, 65535)
SignalFormat: TMDS
supported: TMDS
ConnectorType: DVI-I
ConnectorNumber: 0
_ConnectorLocation: 0
HDMI-0 connected primary 4096x2160+0+0 (0x2c9) normal (normal left inverted right x axis y axis) 256mm x 135mm
Identifier: 0x280
Timestamp: 1819771
Subpixel: unknown
Gamma: 1.0:1.0:1.0
Brightness: 1.0
Clones:
CRTC: 0
CRTCs: 0 1 2 3
Transform: 1.000000 0.000000 0.000000
0.000000 1.000000 0.000000
0.000000 0.000000 1.000000
filter:
CscMatrix: 65536 0 0 0 0 65536 0 0 0 0 65536 0
EDID:
00ffffffffffff0011ee430001010101
00180103807341780acf74a3574cb023
09484c21080081c08140818001010101
01010101010108e80030f2705a80b058
8a00ba882100001e023a801871382d40
582c4500501d7400001e000000fc0044
454e4f4e2d4156414d500a20000000fd
00184b0f883c000a2020202020200164
0203657162615e5f605d6a6b01020405
101113141f202122120365666263640e
230f241d251e26320f7f073d1ec01507
505f7e01570600677e00835f00006e03
0c001500383c2000800102030467d85d
c401788803e200f9e305ff01e3060d01
e40f690060011d8018711c1620582c25
00c48e2100009e00000000000000003d
BorderDimensions: 4
supported: 4
Border: 0 0 0 0
range: (0, 65535)
SignalFormat: TMDS
supported: TMDS
ConnectorType: HDMI
ConnectorNumber: 2
_ConnectorLocation: 2
3840x2160 (0x2c6) 594.000MHz +HSync +VSync +preferred
h: width 3840 start 4016 end 4104 total 4400 skew 0 clock 135.00KHz
v: height 2160 start 2168 end 2178 total 2250 clock 60.00Hz
4096x2160 (0x2c7) 593.410MHz +HSync +VSync
h: width 4096 start 4184 end 4272 total 4400 skew 0 clock 134.87KHz
v: height 2160 start 2168 end 2178 total 2250 clock 59.94Hz
4096x2160 (0x2c8) 594.000MHz +HSync +VSync
h: width 4096 start 5064 end 5152 total 5280 skew 0 clock 112.50KHz
v: height 2160 start 2168 end 2178 total 2250 clock 50.00Hz
4096x2160 (0x2c9) 296.700MHz +HSync +VSync *current
h: width 4096 start 4184 end 4272 total 4400 skew 0 clock 67.43KHz
v: height 2160 start 2168 end 2178 total 2250 clock 29.97Hz
4096x2160 (0x2ca) 297.000MHz +HSync +VSync
h: width 4096 start 5064 end 5152 total 5280 skew 0 clock 56.25KHz
v: height 2160 start 2168 end 2178 total 2250 clock 25.00Hz
4096x2160 (0x2cb) 297.000MHz +HSync +VSync
h: width 4096 start 5116 end 5204 total 5500 skew 0 clock 54.00KHz
v: height 2160 start 2168 end 2178 total 2250 clock 24.00Hz
4096x2160 (0x2cc) 296.750MHz +HSync +VSync
h: width 4096 start 5116 end 5204 total 5500 skew 0 clock 53.95KHz
v: height 2160 start 2168 end 2178 total 2250 clock 23.98Hz
3840x2160 (0x2cd) 593.410MHz +HSync +VSync
h: width 3840 start 4016 end 4104 total 4400 skew 0 clock 134.87KHz
v: height 2160 start 2168 end 2178 total 2250 clock 59.94Hz
3840x2160 (0x2ce) 594.000MHz +HSync +VSync
h: width 3840 start 4896 end 4984 total 5280 skew 0 clock 112.50KHz
v: height 2160 start 2168 end 2178 total 2250 clock 50.00Hz
3840x2160 (0x2cf) 296.700MHz +HSync +VSync
h: width 3840 start 4016 end 4104 total 4400 skew 0 clock 67.43KHz
v: height 2160 start 2168 end 2178 total 2250 clock 29.97Hz
3840x2160 (0x2d0) 297.000MHz +HSync +VSync
h: width 3840 start 4896 end 4984 total 5280 skew 0 clock 56.25KHz
v: height 2160 start 2168 end 2178 total 2250 clock 25.00Hz
3840x2160 (0x2d1) 296.750MHz +HSync +VSync
h: width 3840 start 5116 end 5204 total 5500 skew 0 clock 53.95KHz
v: height 2160 start 2168 end 2178 total 2250 clock 23.98Hz
1920x1080 (0x281) 148.500MHz +HSync +VSync
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 67.50KHz
v: height 1080 start 1084 end 1089 total 1125 clock 60.00Hz
1920x1080 (0x2d2) 148.350MHz +HSync +VSync
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 67.43KHz
v: height 1080 start 1084 end 1089 total 1125 clock 59.94Hz
1920x1080 (0x2d3) 148.500MHz +HSync +VSync
h: width 1920 start 2448 end 2492 total 2640 skew 0 clock 56.25KHz
v: height 1080 start 1084 end 1089 total 1125 clock 50.00Hz
1920x1080 (0x2d4) 74.180MHz +HSync +VSync
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 33.72KHz
v: height 1080 start 1084 end 1089 total 1125 clock 29.97Hz
1920x1080 (0x2d5) 74.250MHz +HSync +VSync
h: width 1920 start 2448 end 2492 total 2640 skew 0 clock 28.12KHz
v: height 1080 start 1084 end 1089 total 1125 clock 25.00Hz
1920x1080 (0x2d6) 74.180MHz +HSync +VSync
h: width 1920 start 2558 end 2602 total 2750 skew 0 clock 26.97KHz
v: height 1080 start 1084 end 1089 total 1125 clock 23.98Hz
1920x1080 (0x282) 74.250MHz +HSync +VSync Interlace
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 33.75KHz
v: height 1080 start 1084 end 1094 total 1124 clock 60.05Hz
1920x1080 (0x2d7) 74.180MHz +HSync +VSync Interlace
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 33.72KHz
v: height 1080 start 1084 end 1094 total 1124 clock 60.00Hz
1920x1080 (0x2d8) 74.250MHz +HSync +VSync Interlace
h: width 1920 start 2448 end 2492 total 2640 skew 0 clock 28.12KHz
v: height 1080 start 1084 end 1094 total 1124 clock 50.04Hz
1280x1024 (0x283) 108.000MHz +HSync +VSync
h: width 1280 start 1328 end 1440 total 1688 skew 0 clock 63.98KHz
v: height 1024 start 1025 end 1028 total 1066 clock 60.02Hz
1280x960 (0x284) 108.000MHz +HSync +VSync
h: width 1280 start 1376 end 1488 total 1800 skew 0 clock 60.00KHz
v: height 960 start 961 end 964 total 1000 clock 60.00Hz
1280x720 (0x285) 74.250MHz +HSync +VSync
h: width 1280 start 1390 end 1430 total 1650 skew 0 clock 45.00KHz
v: height 720 start 725 end 730 total 750 clock 60.00Hz
1280x720 (0x2d9) 74.180MHz +HSync +VSync
h: width 1280 start 1390 end 1430 total 1650 skew 0 clock 44.96KHz
v: height 720 start 725 end 730 total 750 clock 59.94Hz
1280x720 (0x2da) 74.250MHz +HSync +VSync
h: width 1280 start 1720 end 1760 total 1980 skew 0 clock 37.50KHz
v: height 720 start 725 end 730 total 750 clock 50.00Hz
1024x768 (0x286) 65.000MHz -HSync -VSync
h: width 1024 start 1048 end 1184 total 1344 skew 0 clock 48.36KHz
v: height 768 start 771 end 777 total 806 clock 60.00Hz
800x600 (0x287) 40.000MHz +HSync +VSync
h: width 800 start 840 end 968 total 1056 skew 0 clock 37.88KHz
v: height 600 start 601 end 605 total 628 clock 60.32Hz
720x576 (0x2db) 27.000MHz -HSync -VSync
h: width 720 start 732 end 796 total 864 skew 0 clock 31.25KHz
v: height 576 start 581 end 586 total 625 clock 50.00Hz
720x480 (0x2dc) 27.000MHz -HSync -VSync
h: width 720 start 736 end 798 total 858 skew 0 clock 31.47KHz
v: height 480 start 489 end 495 total 525 clock 59.94Hz
640x480 (0x288) 25.175MHz -HSync -VSync
h: width 640 start 656 end 752 total 800 skew 0 clock 31.47KHz
v: height 480 start 490 end 492 total 525 clock 59.94Hz
640x480 (0x2dd) 25.170MHz -HSync -VSync
h: width 640 start 656 end 752 total 800 skew 0 clock 31.46KHz
v: height 480 start 490 end 492 total 525 clock 59.93Hz
DP-0 disconnected (normal left inverted right x axis y axis)
Identifier: 0x289
Timestamp: 1819771
Subpixel: unknown
Clones:
CRTCs: 0 1 2 3
Transform: 1.000000 0.000000 0.000000
0.000000 1.000000 0.000000
0.000000 0.000000 1.000000
filter:
CscMatrix: 65536 0 0 0 0 65536 0 0 0 0 65536 0
BorderDimensions: 4
supported: 4
Border: 0 0 0 0
range: (0, 65535)
SignalFormat: TMDS
supported: TMDS
ConnectorType: DisplayPort
ConnectorNumber: 3
_ConnectorLocation: 3
DVI-D-0 disconnected (normal left inverted right x axis y axis)
Identifier: 0x28a
Timestamp: 1819771
Subpixel: unknown
Clones:
CRTCs: 0 1 2 3
Transform: 1.000000 0.000000 0.000000
0.000000 1.000000 0.000000
0.000000 0.000000 1.000000
filter:
CscMatrix: 65536 0 0 0 0 65536 0 0 0 0 65536 0
BorderDimensions: 4
supported: 4
Border: 0 0 0 0
range: (0, 65535)
SignalFormat: TMDS
supported: TMDS
ConnectorType: DVI-D
ConnectorNumber: 1
_ConnectorLocation: 1
DP-1 disconnected (normal left inverted right x axis y axis)
Identifier: 0x28b
Timestamp: 1819771
Subpixel: unknown
Clones:
CRTCs: 0 1 2 3
Transform: 1.000000 0.000000 0.000000
0.000000 1.000000 0.000000
0.000000 0.000000 1.000000
filter:
CscMatrix: 65536 0 0 0 0 65536 0 0 0 0 65536 0
BorderDimensions: 4
supported: 4
Border: 0 0 0 0
range: (0, 65535)
SignalFormat: DisplayPort
supported: DisplayPort
ConnectorType: DisplayPort
ConnectorNumber: 3
_ConnectorLocation: 3
daniel@daniel-System-Product-Name:~$