[Bug 74751] New: resume from suspend broken with 3.15-rc1 and rc2 kernels

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=74751

            Bug ID: 74751
           Summary: resume from suspend broken with 3.15-rc1 and rc2
                    kernels
           Product: Drivers
           Version: 2.5
    Kernel Version: 3.15-rc2
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri at kernel-bugs.osdl.org
          Reporter: tasev.stefanoska at skynet.be
        Regression: No

Created attachment 133611
  --> https://bugzilla.kernel.org/attachment.cgi?id=133611&action=edit
bisect.log

>From the 3.15-rc1 kernel, the resume from suspend is broken on my hp dm1 laptop
with AMD E-350 radeon HD 6310 graphic.

After bisecting, i found that commit: 

 commit 25f397a429dfa43f22c278d0119a60a343aa568f
    Author: Daniel Vetter <daniel.vetter at ffwll.ch>
    Date:   Fri Jul 19 18:57:11 2013 +0200

was the first bad commit.

After revert the commit, and recompiling the 3.15-rc2 kernel, the suspend
resume work again with a small problem.

After the resume, the laptop suspend immediately again. After pressing any key,
it resume again normally. 

If y suspend with the parameter --quirk-dpms-on then the laptop suspend resume
without any problem.

Until the 3.14.1 kernel, everything works fine. 

I dont know if i reported the bug at the right place, I don't know if it is
acpi, drm, or radeon related but at least it seems dpms related.

If you need any other info please let me know. 

Attached are the bisect.log, dmseg, lspci and dmidecode. 

Best regards.

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