[Bug 103102] Cannot wake-up with an AMD RX 480 on Linux 4.13 and Linux 4.14

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103102

--- Comment #12 from Hadrien <freedesktop at psydk.org> ---
Alex, I applied the changes you attached at kernel.org regarding
/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c to my 4.12.5 kernel (and I
kept the line that sets vblank_time_us to 0xffffffff).

It fixes the issue. I suspended and resumed my system twice without problem.
Good catch!

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