[Bug 72505] New: [Memory Self-Refresh][dual display] self-refresh still enable with dual display.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=72505

          Priority: medium
            Bug ID: 72505
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [Memory Self-Refresh][dual display] self-refresh still
                    enable with dual display.
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: shengyanx.zhao at intel.com
          Hardware: All
            Status: NEW
           Version: XOrg CVS
         Component: DRM/Intel
           Product: DRI

Test Env:
------------------------------------
Platform:               HSW
Arch:                   x86
OS:                     Fedora 19
Xserver:                (server-1.14-branch)xorg-server-1.14.4.901
Xf86_video_intel:               (master)2.99.906
Kernel:                  kernel-3.12.2_20131203+-2.x86_64


Reproduced Steps:
------------------------------------
1. Booting kernel with parameter i915.i915_enable_sr=1.
2. Connect dual display with HDMI cable.
3. xinit &
4. cat /sys/kernel/debug/dri/0/i915_sr_status

The expected phenomenon should be: 
self-refresh: disabled with dual display. However, we got self-refresh enabled
with dual display.




Reproduced Rate:
------------------------------------
100%

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