[Bug 112303] [LENOVO E595] Black screen on resume!

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=112303

            Bug ID: 112303
           Summary: [LENOVO E595] Black screen on resume!
           Product: DRI
           Version: XOrg git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: not set
         Component: DRM/AMDgpu
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: dracaphallus at gmail.com

Suspending the laptop is not the issue I am experiencing but waking the laptop
after suspension is what breaks. The laptop wakes up to a black screen without
a functioning system, not even CTRL+ALT+BACKSPACE works. The issue is similar
to https://bbs.archlinux.org/viewtopic.php?id=249510 and therefore I have tried
all the solutions mentioned in that thread (before knowing of its existence). I
also tried the Early KMS solution suggested by the owner of that thread, which
I did not think of and the result remained the same. Solutions mentioned in
https://wiki.archlinux.org/index.php/Laptop/Lenovo#E_series has also been tried
but the problem remains unsolved.

Something worth mentioning is that the laptop has to go through suspension and
waking up twice for the system to return to normal, but this solution works 20%
of the times and has unfortunately caused me loss of important data.

Logs:
1. https://git.io/Jer5J (lshw -short)
2. https://git.io/Jer7H (Journalctl --since="1 hour ago", note that this
journalctl includes several boots because I was trying to include the
functional two suspends for the system to work again)
3. https://git.io/Jer7S (dmesg)
4. https://git.io/Jer79 (Xorg.0.log)

>From the above log files, V1del
(https://bbs.archlinux.org/viewtopic.php?pid=1873276#p1873276), was able to
identify crashes in my AMDGPU driver thus leading me to create this bug hoping
for a fix!

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