Dariusz, In the meantime I asked also AMD team. They told me that there is missing the MST hub support in one of the latest kernels. I got the information that from 3.17 I should have this MST support.
http://forums.amd.com/game/messageview.cfm?catid=474&threadid=180336 Can you look at this or suggest if I should from Ubuntu trusty I should upgrade kernel to 3.17 or so ? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1104230 Title: DisplayPort 1.2 MST support is missing in the Intel driver To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/1104230/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs