[Bug 97061] New: [drm:intel_dsi_post_disable [i915]] *ERROR* DSI LP not going Low

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97061

            Bug ID: 97061
           Summary: [drm:intel_dsi_post_disable [i915]] *ERROR* DSI LP not
                    going Low
           Product: xorg
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/intel
          Assignee: chris at chris-wilson.co.uk
          Reporter: bugzilla at hadess.net
        QA Contact: intel-gfx-bugs at lists.freedesktop.org

Created attachment 125280
  --> https://bugs.freedesktop.org/attachment.cgi?id=125280&action=edit
surface3-resume-hang.txt

On a Surface 3 machine, with the current Linus tree with no Intel related
patches:
https://github.com/hadess/fedora-surface3-kernel/commits/master

I get when trying to suspend:
Jul 23 20:12:13 surface kernel: [drm:intel_dsi_post_disable [i915]] *ERROR* DSI
LP not going Low

Full logs attached

Kernel: 4.7.0-0.rc7.git4.5.surface3.fc25.x86_64
xorg Intel driver: xf86-video-intel-20160712

After resuming, I'm not able to change the backlight.

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