I just noticed the latest drm-intel-nightly (commit f27f16540be56813df2ebb8e1106dd5c258f07c3) has fixed the issue.
After bisecting, it seems the blank screen issues I was getting after modesetting or suspend/resume have been fixed starting from commit: commit b2f19d1a1d7b262cf5fbe6033776afcf6d1ab526 Author: Paulo Zanoni <paulo.r.zan...@intel.com> Date: Thu Dec 19 14:29:44 2013 -0200 drm/i915: set the backlight panel delays registers to 1 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1265544 Title: 8086:0a16 [UX302LG] black screen on boot 3.12.0-7 To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1265544/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs