[Bug 93615] Tonga does not recover from standby

https://bugs.freedesktop.org/show_bug.cgi?id=93615

Bug ID: 93615 Summary: Tonga does not recover from standby Product: DRI Version: unspecified Hardware: Other OS: All Status: NEW Severity: blocker Priority: medium Component: DRM/AMDgpu Assignee: dri-devel@lists.freedesktop.org Reporter: EoD@xmw.de

Standby worked flawlessly on my BARTS (radeon/r600). With the TONGA (amdgpu/radeonsi) the system is not able to recover after the standby. Seems like a hard-lockup.

I put my system into standby by doing: echo mem > /sys/power/state

I tried both kernel 4.4-rc7 and the 4.5-drm-next branch.