[Bug 89604] New: [BYT]byt fail to resume from S3 state

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89604

            Bug ID: 89604
           Summary: [BYT]byt fail to resume from S3 state
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: major
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: hengx.ding at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

==System Environment==
--------------------------
Regression: No, I didn't find a good commit since Sep 2014 


Non-working platforms: BYT

==kernel==
--------------------------
origin/drm-intel-testing: aaf3acbb523d9b3b3b00827f880f743e0d964684(2015-03-14)

==Bug detailed description==
-----------------------------
When enter S3 state the machine will not be able to woke up by the key board.
The only thing I can do is to reboot it through the power button. So I can't
get any output after that.

==Reproduce steps==
---------------------------- 
1. echo mem > /sys/power/state
2. Press keys on keyboard and try to resume.

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