root@tegra-ubuntu:/var/log# DISPLAY=:0 xrandr --verbose Screen 0: minimum 8 x 8, current 3840 x 2160, maximum 16384 x 16384 HDMI-0 connected primary 3840x2160+0+0 (0x18d) normal (normal left inverted right x axis y axis) 0mm x 0mm Identifier: 0x18c Timestamp: 311730 Subpixel: unknown Gamma: 1.0:1.0:1.0 Brightness: 1.0 Clones: CRTC: 0 CRTCs: 0 1 Transform: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 filter: EDID: 00ffffffffffff000469a62781e80000 2e180103803c22783a4dd5a7554a9d24 0e5054bfef00d1c0814081809500b300 714f81c0010104740030f2705a80b058 8a00544f2100001a023a801871382d40 582c4500544f2100001e000000fd0017 5018a01e000a202020202020000000fc 00415355532050423237390a2020019e 02032cf1510102031112130414050e0f 1d1e1f90202223091707830100006d03 0c001000003c200060010203565e00a0 a0a0295030203500544f2100001ee268 00a0a0402e6030203600544f2100001a 011d00bc52d01e20b8285540544f2100 001e8c0ad090204031200c405500544f 210000180000000000000000000000ea BorderDimensions: 4 supported: 4 Border: 0 0 0 0 range: (0, 65535) SignalFormat: TMDS supported: TMDS ConnectorType: HDMI 3840x2160 (0x18d) 297.0MHz +HSync +VSync *current +preferred h: width 3840 start 4016 end 4104 total 4400 skew 0 clock 67.5KHz v: height 2160 start 2168 end 2178 total 2250 clock 30.0Hz 3840x2160 (0x18e) 297.0MHz +HSync +VSync h: width 3840 start 4896 end 4984 total 5280 skew 0 clock 56.2KHz v: height 2160 start 2168 end 2178 total 2250 clock 25.0Hz 3840x2160 (0x18f) 297.0MHz +HSync +VSync h: width 3840 start 5116 end 5204 total 5500 skew 0 clock 54.0KHz v: height 2160 start 2168 end 2178 total 2250 clock 24.0Hz 2560x1600 (0x190) 268.5MHz +HSync +VSync h: width 2560 start 2608 end 2640 total 2720 skew 0 clock 98.7KHz v: height 1600 start 1603 end 1609 total 1646 clock 60.0Hz 2560x1440 (0x191) 241.5MHz +HSync +VSync h: width 2560 start 2608 end 2640 total 2720 skew 0 clock 88.8KHz v: height 1440 start 1443 end 1448 total 1481 clock 60.0Hz 1920x1080 (0x192) 148.5MHz +HSync +VSync h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 67.5KHz v: height 1080 start 1084 end 1089 total 1125 clock 60.0Hz 1920x1080 (0x193) 172.9MHz +HSync +VSync h: width 1920 start 2043 end 2249 total 2578 skew 0 clock 67.1KHz v: height 1080 start 1082 end 1085 total 1118 clock 60.0Hz 1920x1080 (0x194) 148.5MHz +HSync +VSync h: width 1920 start 2448 end 2492 total 2640 skew 0 clock 56.2KHz v: height 1080 start 1084 end 1089 total 1125 clock 50.0Hz 1920x1080 (0x195) 74.2MHz +HSync +VSync h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 33.8KHz v: height 1080 start 1082 end 1087 total 1102 clock 30.6Hz 1920x1080 (0x196) 74.2MHz +HSync +VSync h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 33.8KHz v: height 1080 start 1084 end 1089 total 1125 clock 30.0Hz 1920x1080 (0x197) 74.2MHz +HSync +VSync h: width 1920 start 2448 end 2492 total 2640 skew 0 clock 28.1KHz v: height 1080 start 1082 end 1087 total 1102 clock 25.5Hz 1920x1080 (0x198) 74.2MHz +HSync +VSync h: width 1920 start 2558 end 2602 total 2750 skew 0 clock 27.0KHz v: height 1080 start 1084 end 1089 total 1125 clock 24.0Hz 1680x1050 (0x199) 146.9MHz +HSync +VSync h: width 1680 start 1786 end 1966 total 2252 skew 0 clock 65.2KHz v: height 1050 start 1052 end 1055 total 1087 clock 60.0Hz 1440x900 (0x19a) 106.8MHz +HSync +VSync h: width 1440 start 1523 end 1675 total 1910 skew 0 clock 55.9KHz v: height 900 start 902 end 905 total 932 clock 60.0Hz 1440x576 (0x19b) 54.0MHz +HSync +VSync h: width 1440 start 1464 end 1592 total 1728 skew 0 clock 31.3KHz v: height 576 start 581 end 586 total 625 clock 50.0Hz 1440x480 (0x19c) 54.0MHz +HSync +VSync h: width 1440 start 1472 end 1596 total 1716 skew 0 clock 31.5KHz v: height 480 start 489 end 495 total 525 clock 59.9Hz 1280x1024 (0x19d) 135.0MHz +HSync +VSync h: width 1280 start 1296 end 1440 total 1688 skew 0 clock 80.0KHz v: height 1024 start 1026 end 1029 total 1066 clock 75.0Hz 1280x1024 (0x19e) 108.0MHz +HSync +VSync h: width 1280 start 1328 end 1440 total 1688 skew 0 clock 64.0KHz v: height 1024 start 1026 end 1029 total 1066 clock 60.0Hz 1280x960 (0x19f) 108.0MHz +HSync +VSync h: width 1280 start 1376 end 1488 total 1800 skew 0 clock 60.0KHz v: height 960 start 962 end 965 total 1000 clock 60.0Hz 1280x720 (0x1a0) 74.2MHz +HSync +VSync h: width 1280 start 1390 end 1430 total 1650 skew 0 clock 45.0KHz v: height 720 start 725 end 730 total 750 clock 60.0Hz 1280x720 (0x1a1) 74.2MHz +HSync +VSync h: width 1280 start 1341 end 1474 total 1668 skew 0 clock 44.5KHz v: height 720 start 722 end 725 total 746 clock 59.7Hz 1280x720 (0x1a2) 74.2MHz +HSync +VSync h: width 1280 start 1720 end 1760 total 1980 skew 0 clock 37.5KHz v: height 720 start 725 end 730 total 750 clock 50.0Hz 1152x864 (0x1a3) 108.0MHz +HSync +VSync h: width 1152 start 1216 end 1344 total 1600 skew 0 clock 67.5KHz v: height 864 start 866 end 869 total 900 clock 75.0Hz 1024x768 (0x1a4) 75.0MHz +HSync +VSync h: width 1024 start 1048 end 1184 total 1328 skew 0 clock 56.5KHz v: height 768 start 771 end 777 total 806 clock 70.1Hz 1024x768 (0x1a5) 65.0MHz +HSync +VSync h: width 1024 start 1048 end 1184 total 1344 skew 0 clock 48.4KHz v: height 768 start 771 end 777 total 806 clock 60.0Hz 832x624 (0x1a6) 53.4MHz +HSync +VSync h: width 832 start 875 end 962 total 1092 skew 0 clock 48.9KHz v: height 624 start 626 end 629 total 652 clock 75.0Hz 800x600 (0x1a7) 49.5MHz +HSync +VSync h: width 800 start 816 end 896 total 1056 skew 0 clock 46.9KHz v: height 600 start 602 end 605 total 625 clock 75.0Hz 800x600 (0x1a8) 50.0MHz +HSync +VSync h: width 800 start 856 end 976 total 1040 skew 0 clock 48.1KHz v: height 600 start 637 end 643 total 666 clock 72.2Hz 720x400 (0x1a9) 26.2MHz +HSync +VSync h: width 720 start 737 end 808 total 896 skew 0 clock 29.2KHz v: height 400 start 402 end 405 total 417 clock 70.0Hz 640x480 (0x1aa) 31.5MHz +HSync +VSync h: width 640 start 656 end 720 total 840 skew 0 clock 37.5KHz v: height 480 start 482 end 485 total 500 clock 75.0Hz 640x480 (0x1ab) 31.5MHz +HSync +VSync h: width 640 start 664 end 704 total 832 skew 0 clock 37.9KHz v: height 480 start 489 end 491 total 520 clock 72.8Hz 640x480 (0x1ac) 25.2MHz +HSync +VSync h: width 640 start 656 end 752 total 800 skew 0 clock 31.5KHz v: height 480 start 482 end 484 total 516 clock 61.0Hz 640x480 (0x1ad) 25.2MHz +HSync +VSync h: width 640 start 656 end 752 total 800 skew 0 clock 31.5KHz v: height 480 start 490 end 492 total 525 clock 60.0Hz root@tegra-ubuntu:/var/log#