$ DISPLAY=:0 xrandr --verbose Screen 0: minimum 320 x 200, current 3840 x 2160, maximum 8192 x 8192 DP-1 disconnected primary (normal left inverted right x axis y axis) Identifier: 0x42 Timestamp: 19041 Subpixel: unknown Clones: CRTCs: 0 1 2 Transform: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 filter: Broadcast RGB: Automatic supported: Automatic, Full, Limited 16:235 audio: auto supported: force-dvi, off, auto, on HDMI-1 connected 3840x2160+0+0 (0x4a) normal (normal left inverted right x axis y axis) 698mm x 392mm Identifier: 0x43 Timestamp: 19041 Subpixel: unknown Gamma: 1.0:1.0:1.0 Brightness: 1.0 Clones: CRTC: 0 CRTCs: 0 1 2 Transform: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 filter: EDID: 00ffffffffffff0011ee360001010101 00170103808048780adaffa3584aa229 17494b20080031406140010101010101 01010101010108e80030f2705a80b058 8a00ba882100001e023a801871382d40 582c4500ba882100001e000000fc0044 454e4f4e2d4156520a202020000000fd 00173d0f883c000a202020202020018c 020355f059101f051420212204130312 07165d5e5f626364616066650f1e320f 7f073d1ec01507505f7e01570600677e 00835f000078030c002500b83c2fc88a 010203040141019c061608001800e305 ff01e2004b0000000000000000000000 00000000000000000000000000000000 000000000000000000000000000000c2 aspect ratio: Automatic supported: Automatic, 4:3, 16:9 Broadcast RGB: Automatic supported: Automatic, Full, Limited 16:235 audio: auto supported: force-dvi, off, auto, on 4096x2160 (0x48) 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 (0x49) 296.703MHz +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 (0x4a) 297.000MHz +HSync +VSync *current h: width 3840 start 4016 end 4104 total 4400 skew 0 clock 67.50KHz v: height 2160 start 2168 end 2178 total 2250 clock 30.00Hz 3840x2160 (0x4b) 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 (0x4c) 297.000MHz +HSync +VSync h: width 3840 start 5116 end 5204 total 5500 skew 0 clock 54.00KHz v: height 2160 start 2168 end 2178 total 2250 clock 24.00Hz 3840x2160 (0x4d) 296.703MHz +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 (0x4e) 296.703MHz +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 (0x4f) 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 (0x50) 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 (0x51) 148.352MHz +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 1920x1080i (0x52) 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 1125 clock 60.00Hz 1920x1080i (0x53) 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 1125 clock 50.00Hz 1920x1080 (0x54) 74.250MHz +HSync +VSync h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 33.75KHz v: height 1080 start 1084 end 1089 total 1125 clock 30.00Hz 1920x1080 (0x55) 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 (0x56) 74.250MHz +HSync +VSync h: width 1920 start 2558 end 2602 total 2750 skew 0 clock 27.00KHz v: height 1080 start 1084 end 1089 total 1125 clock 24.00Hz 1920x1080i (0x57) 74.176MHz +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 1125 clock 59.94Hz 1920x1080 (0x58) 74.176MHz +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 (0x59) 74.176MHz +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 1280x720 (0x5a) 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 (0x5b) 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 1280x720 (0x5c) 74.176MHz +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 1440x576 (0x5d) 54.000MHz -HSync -VSync h: width 1440 start 1464 end 1592 total 1728 skew 0 clock 31.25KHz v: height 576 start 581 end 586 total 625 clock 50.00Hz 1024x768 (0x5e) 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 1440x480 (0x5f) 54.054MHz -HSync -VSync h: width 1440 start 1472 end 1596 total 1716 skew 0 clock 31.50KHz v: height 480 start 489 end 495 total 525 clock 60.00Hz 1440x480 (0x60) 54.000MHz -HSync -VSync h: width 1440 start 1472 end 1596 total 1716 skew 0 clock 31.47KHz v: height 480 start 489 end 495 total 525 clock 59.94Hz 720x576 (0x61) 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 720x576i (0x62) 13.500MHz -HSync -VSync Interlace h: width 720 start 732 end 795 total 864 skew 0 clock 15.62KHz v: height 576 start 580 end 586 total 625 clock 50.00Hz 720x480 (0x63) 27.027MHz -HSync -VSync h: width 720 start 736 end 798 total 858 skew 0 clock 31.50KHz v: height 480 start 489 end 495 total 525 clock 60.00Hz 720x480 (0x64) 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 720x480i (0x65) 13.514MHz -HSync -VSync Interlace h: width 720 start 739 end 801 total 858 skew 0 clock 15.75KHz v: height 480 start 488 end 494 total 525 clock 60.00Hz 720x480i (0x66) 13.500MHz -HSync -VSync Interlace h: width 720 start 739 end 801 total 858 skew 0 clock 15.73KHz v: height 480 start 488 end 494 total 525 clock 59.94Hz 640x480 (0x67) 25.200MHz -HSync -VSync h: width 640 start 656 end 752 total 800 skew 0 clock 31.50KHz v: height 480 start 490 end 492 total 525 clock 60.00Hz 640x480 (0x68) 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 HDMI-2 disconnected (normal left inverted right x axis y axis) Identifier: 0x44 Timestamp: 19041 Subpixel: unknown Clones: CRTCs: 0 1 2 Transform: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 filter: aspect ratio: Automatic supported: Automatic, 4:3, 16:9 Broadcast RGB: Automatic supported: Automatic, Full, Limited 16:235 audio: auto supported: force-dvi, off, auto, on DP-2 disconnected (normal left inverted right x axis y axis) Identifier: 0x45 Timestamp: 19041 Subpixel: unknown Clones: HDMI-3 CRTCs: 0 1 2 Transform: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 filter: Broadcast RGB: Automatic supported: Automatic, Full, Limited 16:235 audio: auto supported: force-dvi, off, auto, on HDMI-3 disconnected (normal left inverted right x axis y axis) Identifier: 0x46 Timestamp: 19041 Subpixel: unknown Clones: DP-2 CRTCs: 0 1 2 Transform: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 filter: aspect ratio: Automatic supported: Automatic, 4:3, 16:9 Broadcast RGB: Automatic supported: Automatic, Full, Limited 16:235 audio: auto supported: force-dvi, off, auto, on