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drm/amdgpu: fix reboot failure issue for virtualization 

Reboot process will call HW fini functions of IP blocks. For virt,
need to send event three before hw fini and send event four after
hw fini.

Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Reviewed-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Xiangliang Yu 2017-01-18 12:47:55 +08:00 committed by Alex Deucher
parent 9a9993590d
commit e941ea997d
1 changed files with 6 additions and 0 deletions
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6
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
View File

@ -1565,6 +1565,9 @@ int amdgpu_suspend(struct amdgpu_device *adev)
{
int i, r;
if (amdgpu_sriov_vf(adev))
amdgpu_virt_request_full_gpu(adev, false);
/* ungate SMC block first */
r = amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_SMC,
AMD_CG_STATE_UNGATE);
@ -1593,6 +1596,9 @@ int amdgpu_suspend(struct amdgpu_device *adev)
}
}
if (amdgpu_sriov_vf(adev))
amdgpu_virt_release_full_gpu(adev, false);
return 0;
}