tree 09989d67c93bf2057e9e64a15cfbc4568a864de4
parent 028cfb2444b94d4f394a6fa4ca46182481236e91
author Prike Liang <Prike.Liang@amd.com> 1586785274 +0800
committer Alex Deucher <alexander.deucher@amd.com> 1586882881 -0400

drm/amdgpu: fix the hw hang during perform system reboot and reset

The system reboot failed as some IP blocks enter power gate before perform
hw resource destory. Meanwhile use unify interface to set device CGPG to ungate
state can simplify the amdgpu poweroff or reset ungate guard.

Fixes: 487eca11a321ef ("drm/amdgpu: fix gfx hang during suspend with video playback (v2)")
Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Tested-by: Mengbing Wang <Mengbing.Wang@amd.com>
Tested-by: Paul Menzel <pmenzel@molgen.mpg.de>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org