The bug is solved in Cosmic daily-live (2018-08-22) ubuntu@ubuntu:~$ uname -a Linux ubuntu 4.17.0-7-generic #8-Ubuntu SMP Fri Aug 3 15:55:36 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
ubuntu@ubuntu:~$ xrandr Screen 0: minimum 320 x 200, current 2560 x 1440, maximum 16384 x 16384 DisplayPort-0 disconnected (normal left inverted right x axis y axis) HDMI-A-0 disconnected (normal left inverted right x axis y axis) DVI-D-0 disconnected (normal left inverted right x axis y axis) DVI-D-1 connected primary 2560x1440+0+0 (normal left inverted right x axis y axis) 597mm x 336mm 2560x1440 59.95*+ 1920x1200 59.95 1920x1080 60.00 1600x1200 60.00 1680x1050 59.88 1280x1024 75.02 60.02 1440x900 59.95 1280x800 59.91 1152x864 75.00 1280x720 59.95 1024x768 75.03 60.00 800x600 75.00 60.32 640x480 75.00 59.94 720x400 70.08 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1785481 Title: amdgpu WQHD resolution(2560 × 1440) not available To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1785481/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs