[Bug 95306] Random Blank(black) screens on "Carrizo"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=95306

            Bug ID: 95306
           Summary: Random Blank(black) screens on "Carrizo"
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: areginato at hotmail.com

I've searched all over my logs, and can't find any faults.  My HP Pavilion
(A10-8700P) runing Kubuntu 16.04 and using the AMDgpu driver randomly black
screens.  A suspend/resume will get it working again for a very short period of
time.  I've been debuging this all week - I've tried a new kernel, I've also
tried the amdgpu.exp_hd_support=1 boot parameter, I've gone through everything
think it might have been a DPMS issue.  When it occurs, it happens on the
internal and external display if hooked up.  For me, I can replicate the issue
by booting the computer and letting it sit at the log in, or I log in and use
the computer.  The occurrence is random and never the same.

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