The following two commits from 4.0 kernel could fix this issue. ecb7e16 drm: add helper to get crtc timings (v5) 455a680 drm/i915: remove intel_pipe_set_base() (v4)
Please backport these two commits to vivid kernel. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1446979 Title: [bug] screen is black after xrandr rotate command Status in linux package in Ubuntu: New Bug description: When running "xrandr --output xxxxx --rotate inverted " on intel platforms with ubuntu 15.04, screen becomes black. Steps to reproduce: 1. install ubuntu 15.04 with intel graphic card and boot up into desktop 2. run xrandr --output eDP1 --rotate inverted Expect result: eDP screen rotate inverted Actual result: eDP screen is black. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1446979/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
