And yes, xrandr at all times shows this: andrew@desky:~$ xrandr --verbose Screen 0: minimum 320 x 200, current 3840 x 1080, maximum 16384 x 16384 DisplayPort-0 connected primary 1920x1080+0+0 (0x5a) normal (normal left inverted right x axis y axis) 480mm x 270mm Identifier: 0x55 Timestamp: 9033 Subpixel: unknown Gamma: 0.92:0.94:0.90 Brightness: 1.0 Clones: CRTC: 0 CRTCs: 0 1 2 3 4 5 Transform: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 filter: EDID: 00ffffffffffff001e6d355b01010101 0b1a0104a53c2278fb7b45a4554aa227 0b5054210800714081c0810081809500 9040a9c0b3002a4480a0703827403020 3500e00e1100001e000000fd00284b55 5512010a202020202020000000fc004d 503539470a20202020202020023a8018 71382d40582c4500e00e1100001e016f 02031cf149900403011012101f132309 07078301000065030c001000023a8018 71382d40582c4500fe221100001e011d 007251d01e206e285500fe221100001e 8c0ad08a20e02d10103e9600fe221100 00180000000000000000000000000000 00000000000000000000000000000000 000000000000000000000000000000e2 GAMMA_LUT_SIZE: 4096 range: (0, -1) DEGAMMA_LUT_SIZE: 4096 range: (0, -1) GAMMA_LUT: 0 range: (0, 65535) CTM: 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 DEGAMMA_LUT: 0 range: (0, 65535) TearFree: auto supported: off, on, auto subconnector: Native supported: Unknown, VGA, DVI-D, HDMI, DP, Wireless, Native HDCP Content Type: HDCP Type0 supported: HDCP Type0, HDCP Type1 Content Protection: Undesired supported: Undesired, Desired, Enabled vrr_capable: 1 range: (0, 1) max bpc: 8 range: (8, 16) underscan vborder: 0 range: (0, 128) underscan hborder: 0 range: (0, 128) underscan: off supported: off, on, auto scaling mode: None supported: None, Full, Center, Full aspect link-status: Good supported: Good, Bad CONNECTOR_ID: 94 supported: 94 non-desktop: 0 range: (0, 1) 1920x1080 (0x5a) 174.500MHz +HSync +VSync *current +preferred h: width 1920 start 1968 end 2000 total 2080 skew 0 clock 83.89KHz v: height 1080 start 1083 end 1088 total 1119 clock 74.97Hz 1920x1080 (0x5b) 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 (0x5c) 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 (0x5d) 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 1680x1050 (0x5e) 146.250MHz -HSync +VSync h: width 1680 start 1784 end 1960 total 2240 skew 0 clock 65.29KHz v: height 1050 start 1053 end 1059 total 1089 clock 59.95Hz 1400x1050 (0x5f) 121.750MHz -HSync +VSync h: width 1400 start 1488 end 1632 total 1864 skew 0 clock 65.32KHz v: height 1050 start 1053 end 1057 total 1089 clock 59.98Hz 1600x900 (0x60) 108.000MHz +HSync +VSync h: width 1600 start 1624 end 1704 total 1800 skew 0 clock 60.00KHz v: height 900 start 901 end 904 total 1000 clock 60.00Hz 1280x1024 (0x61) 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 1440x900 (0x62) 106.500MHz -HSync +VSync h: width 1440 start 1520 end 1672 total 1904 skew 0 clock 55.93KHz v: height 900 start 903 end 909 total 934 clock 59.89Hz 1280x800 (0x63) 83.500MHz -HSync +VSync h: width 1280 start 1352 end 1480 total 1680 skew 0 clock 49.70KHz v: height 800 start 803 end 809 total 831 clock 59.81Hz 1152x864 (0x64) 81.768MHz -HSync +VSync h: width 1152 start 1216 end 1336 total 1520 skew 0 clock 53.79KHz v: height 864 start 867 end 871 total 897 clock 59.97Hz 1280x720 (0x65) 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 (0x66) 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 (0x67) 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 1024x768 (0x68) 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 (0x69) 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 (0x6a) 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 (0x6b) 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 (0x6c) 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 (0x6d) 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 (0x6e) 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 DisplayPort-1 connected 1920x1080+1920+0 (0x5a) normal (normal left inverted right x axis y axis) 480mm x 270mm Identifier: 0x56 Timestamp: 9033 Subpixel: unknown Gamma: 0.93:0.95:0.89 Brightness: 1.0 Clones: CRTC: 1 CRTCs: 0 1 2 3 4 5 Transform: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 filter: EDID: 00ffffffffffff001e6d355b01010101 0b1a0104a53c2278fb7b45a4554aa227 0b5054210800714081c0810081809500 9040a9c0b3002a4480a0703827403020 3500e00e1100001e000000fd00284b55 5512010a202020202020000000fc004d 503539470a20202020202020023a8018 71382d40582c4500e00e1100001e016f 02031cf149900403011012101f132309 07078301000065030c001000023a8018 71382d40582c4500fe221100001e011d 007251d01e206e285500fe221100001e 8c0ad08a20e02d10103e9600fe221100 00180000000000000000000000000000 00000000000000000000000000000000 000000000000000000000000000000e2 GAMMA_LUT_SIZE: 4096 range: (0, -1) DEGAMMA_LUT_SIZE: 4096 range: (0, -1) GAMMA_LUT: 0 range: (0, 65535) CTM: 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 DEGAMMA_LUT: 0 range: (0, 65535) TearFree: auto supported: off, on, auto subconnector: Native supported: Unknown, VGA, DVI-D, HDMI, DP, Wireless, Native HDCP Content Type: HDCP Type0 supported: HDCP Type0, HDCP Type1 Content Protection: Undesired supported: Undesired, Desired, Enabled vrr_capable: 1 range: (0, 1) max bpc: 8 range: (8, 16) underscan vborder: 0 range: (0, 128) underscan hborder: 0 range: (0, 128) underscan: off supported: off, on, auto scaling mode: None supported: None, Full, Center, Full aspect link-status: Good supported: Good, Bad CONNECTOR_ID: 102 supported: 102 non-desktop: 0 range: (0, 1) 1920x1080 (0x5a) 174.500MHz +HSync +VSync *current +preferred h: width 1920 start 1968 end 2000 total 2080 skew 0 clock 83.89KHz v: height 1080 start 1083 end 1088 total 1119 clock 74.97Hz 1920x1080 (0x5b) 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 (0x5c) 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 (0x5d) 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 1680x1050 (0x5e) 146.250MHz -HSync +VSync h: width 1680 start 1784 end 1960 total 2240 skew 0 clock 65.29KHz v: height 1050 start 1053 end 1059 total 1089 clock 59.95Hz 1400x1050 (0x5f) 121.750MHz -HSync +VSync h: width 1400 start 1488 end 1632 total 1864 skew 0 clock 65.32KHz v: height 1050 start 1053 end 1057 total 1089 clock 59.98Hz 1600x900 (0x60) 108.000MHz +HSync +VSync h: width 1600 start 1624 end 1704 total 1800 skew 0 clock 60.00KHz v: height 900 start 901 end 904 total 1000 clock 60.00Hz 1280x1024 (0x61) 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 1440x900 (0x62) 106.500MHz -HSync +VSync h: width 1440 start 1520 end 1672 total 1904 skew 0 clock 55.93KHz v: height 900 start 903 end 909 total 934 clock 59.89Hz 1280x800 (0x63) 83.500MHz -HSync +VSync h: width 1280 start 1352 end 1480 total 1680 skew 0 clock 49.70KHz v: height 800 start 803 end 809 total 831 clock 59.81Hz 1152x864 (0x64) 81.768MHz -HSync +VSync h: width 1152 start 1216 end 1336 total 1520 skew 0 clock 53.79KHz v: height 864 start 867 end 871 total 897 clock 59.97Hz 1280x720 (0x65) 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 (0x66) 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 (0x67) 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 1024x768 (0x68) 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 (0x69) 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 (0x6a) 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 (0x6b) 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 (0x6c) 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 (0x6d) 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 (0x6e) 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 DisplayPort-2 disconnected (normal left inverted right x axis y axis) Identifier: 0x57 Timestamp: 9033 Subpixel: unknown Clones: CRTCs: 0 1 2 3 4 5 Transform: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 filter: GAMMA_LUT_SIZE: 4096 range: (0, -1) DEGAMMA_LUT_SIZE: 4096 range: (0, -1) GAMMA_LUT: 0 range: (0, 65535) CTM: 0 DEGAMMA_LUT: 0 range: (0, 65535) TearFree: auto supported: off, on, auto subconnector: Unknown supported: Unknown, VGA, DVI-D, HDMI, DP, Wireless, Native HDCP Content Type: HDCP Type0 supported: HDCP Type0, HDCP Type1 Content Protection: Undesired supported: Undesired, Desired, Enabled vrr_capable: 0 range: (0, 1) max bpc: 8 range: (8, 16) underscan vborder: 0 range: (0, 128) underscan hborder: 0 range: (0, 128) underscan: off supported: off, on, auto scaling mode: None supported: None, Full, Center, Full aspect link-status: Good supported: Good, Bad CONNECTOR_ID: 107 supported: 107 non-desktop: 0 range: (0, 1) HDMI-A-0 disconnected (normal left inverted right x axis y axis) Identifier: 0x58 Timestamp: 9033 Subpixel: unknown Clones: CRTCs: 0 1 2 3 4 5 Transform: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 filter: GAMMA_LUT_SIZE: 4096 range: (0, -1) DEGAMMA_LUT_SIZE: 4096 range: (0, -1) GAMMA_LUT: 0 range: (0, 65535) CTM: 0 DEGAMMA_LUT: 0 range: (0, 65535) TearFree: auto supported: off, on, auto HDCP Content Type: HDCP Type0 supported: HDCP Type0, HDCP Type1 Content Protection: Undesired supported: Undesired, Desired, Enabled vrr_capable: 0 range: (0, 1) max bpc: 8 range: (8, 16) underscan vborder: 0 range: (0, 128) underscan hborder: 0 range: (0, 128) underscan: off supported: off, on, auto scaling mode: None supported: None, Full, Center, Full aspect link-status: Good supported: Good, Bad CONNECTOR_ID: 111 supported: 111 non-desktop: 0 range: (0, 1)