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drm/amd/amdgpu: add fini virt data exchange to ip_suspend 

[Why]
when try to shutdown guest vm in sriov mode, virt data
exchange is not fini. After vram lost, trying to write
vram could hang cpu.

[How]
add fini virt data exchange in ip_suspend

Signed-off-by: Jingwen Chen <Jingwen.Chen2@amd.com>
Reviewed-by: Jack Zhang <Jack.Zhang1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jingwen Chen 2021-03-05 14:06:34 +08:00 committed by Alex Deucher
parent 8f211fe8ac
commit 3c73683c23
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@ -2776,8 +2776,10 @@ int amdgpu_device_ip_suspend(struct amdgpu_device *adev)
{
int r;
if (amdgpu_sriov_vf(adev))
if (amdgpu_sriov_vf(adev)) {
amdgpu_virt_fini_data_exchange(adev);
amdgpu_virt_request_full_gpu(adev, false);
}
r = amdgpu_device_ip_suspend_phase1(adev);
if (r)