Public bug reported: This issue happens with 4.0+ kernels. Bisecting shows following commit cause the issue:
commit d2182a660808d9053a605e3ebc8c46a323ec6e5d Author: Ville Syrjälä <ville.syrj...@linux.intel.com> Date: Fri Jan 9 14:21:14 2015 +0200 drm/i915: Don't register HDMI connectors for eDP ports on VLV/CHV The issue has been reported to upstream [1] and the fix has been merged. [1]: https://bugs.freedesktop.org/show_bug.cgi?id=96288 ** Affects: hwe-next Importance: Undecided Status: New ** Affects: linux (Ubuntu) Importance: Undecided Assignee: Phidias (phidias-chiang) Status: Incomplete ** Tags: originate-from-1578953 pre-certification xenial ** Summary changed: - Baytrail-T got black screen with HDMI output + Baytrail-I got black screen with HDMI output -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1599379 Title: Baytrail-I got black screen with HDMI output To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1599379/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs