[Bug 81082] New: [HSW Regression]eDP monitor can't be lighted up after S3

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=81082

          Priority: medium
            Bug ID: 81082
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [HSW Regression]eDP monitor can't be lighted up after
                    S3
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: lei.a.liu at intel.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 102460
  --> https://bugs.freedesktop.org/attachment.cgi?id=102460&action=edit
dmesg before s3

==System Environment==
--------------------------
Regression: Yes. Good commit:
57127efaf1adc5e0bb2d3fa5a01bd97f71af7836(-next-queued)

==kernel==
--------------------------
-nightly:2a9005c8ae4d3418dd79f2471695f85c83024dd0 (failed)
    drm-intel-nightly: 2014y-07m-07d-23h-45m-32s integration manifest
-queued: f7d2323c181ed5a2596494b860a99d567fd3e6cd (failed)
    drm/i915: correct BLC vs PWM enable/disable ordering
-fixes: ad952a8f0cb9f0a5f1c8dd0521ffeb01a8c451b9 (works)
    drm/i915: Don't clobber the GTT when it's within stolen memory
==Bug detailed description==
--------------------------
eDP monitor can't be lighted up after S3

==Reproduce steps==
---------------------------- 
1. do s3
2. check eDP monitor

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