[Bug 94451] New: [REGRESSION] After update to 3.19.0 system hangs on resume with Xorg active

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=94451

            Bug ID: 94451
           Summary: [REGRESSION] After update to 3.19.0 system hangs on
                    resume with Xorg active
           Product: Drivers
           Version: 2.5
    Kernel Version: 3.19.0
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - Intel)
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: maxtram95 at gmail.com
                CC: intel-gfx-bugs at lists.freedesktop.org
        Regression: No

Created attachment 169611
  --> https://bugzilla.kernel.org/attachment.cgi?id=169611&action=edit
Commit that introduces regression

My video card is Intel 945GSE.

Update to 3.19.0 introduced regression: when I resume from suspend, and Xorg is
running and active, system freezes with black screen, cursor doesn't blink,
SysRq doesn't work.

I did git bisect, first bad commit is e8115e79aa62b6ebdb3e8e61ca4092cc32938afc
(Merge tag 'v3.18-rc7' into drm-next), diff is attached.

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