[Bug 66293] New: [HSW ]System shutdown while resume from S3

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=66293

          Priority: medium
            Bug ID: 66293
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [HSW ]System shutdown while resume from S3
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: critical
    Classification: Unclassified
                OS: All
          Reporter: cancan.feng at intel.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Environment:
-------------------
Kernel: (drm-intel-next-queued)6dd8224ec64c809dad5ceceac299918f5d9c7c31
Author: Ville Syrjälä <ville.syrjala at linux.intel.com>
Date:   Wed Jun 26 17:44:15 2013 +0300

    drm/i915: Mask out hardware status bits from VLV DPLL register

Description:
--------------------
We got a new HSW Harris Beach ULT machine, in this kernel testing cycle, I
found system can't resume from S3 but shutdown. Moreover, system response to
suspend command about 10 secs, after suspend successfully, system can't resume,
it just shutdown.

BIOS: 130
This new HSW ULT can only use fedora 19 and BIOS 130, if we change bios
version, system will collapse and have to reinstall it. 

Reproduce step:
----------------------
1.boot or reboot
2.echo freeze > /sys/power/state
3.resume, then machine will shutdown

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