[Bug 95281] New: [BDW] Display stop working after resumed from S4

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=95281

            Bug ID: 95281
           Summary: [BDW] Display stop working after resumed from S4
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: han.lu at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 123487
  --> https://bugs.freedesktop.org/attachment.cgi?id=123487&action=edit
dmesg after resume from S4

System Environment
CRB:Intel NUC5i3RYH
Platform: BroadWell
CPU: Hasewell i5-4250U @ 1.30GHz
Audio card: ALC283
BIOS:BDW-E1R1.86C.0093.R00.1409071941
Kernel:4.5.0 drm-intel-nightly
Tree: git://anongit.freedesktop.org/drm-intel
Branch: drm-intel-nightly
Commit: 3e5ecc8c5ff80cb1fb635ce1cf16b7cd4cfb1979

Bug detailed description
Display stop working after resumed from S4

Reproduce Steps
rtcwake -m disk -s 30

Expected Result
Display work normally after resumed from S4.

Actual Result
Display stops working.

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