[Bug 69837] New: [HSW bisected]Resume from S3 causes garbage on screen

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=69837

          Priority: high
            Bug ID: 69837
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [HSW bisected]Resume from S3 causes garbage on screen
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: major
    Classification: Unclassified
                OS: All
          Reporter: cancan.feng at intel.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 86619
  --> https://bugs.freedesktop.org/attachment.cgi?id=86619&action=edit
dmesg of system booting and S3

Bug detailed description:
--------------------------------------------
Resume from S3 will cause garbage on screen, just like the picture which I
attached. This is a regression, I have bisected it on -next-queued branch. I
will attach the whole dmesg of system booting and S3, in which you can find the
details.

Bisect result:
--------------------------------------------
c6916417c8575637659686ff0e4f744babf0cb4e is the first bad commit
commit c6916417c8575637659686ff0e4f744babf0cb4e
Author: Ben Widawsky <ben at bwidawsk.net>
Date:   Tue Sep 24 09:58:00 2013 -0700

    drm/i915: Use the new vm [un]bind functions

Reproduce Steps:
---------------------------------------------
1. boot machine
2. echo mem > /sys/power/state

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