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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>
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1 changed files with 3 additions and 1 deletions
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@ -2776,8 +2776,10 @@ int amdgpu_device_ip_suspend(struct amdgpu_device *adev)
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{
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{
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int r;
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int r;
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if (amdgpu_sriov_vf(adev))
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if (amdgpu_sriov_vf(adev)) {
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amdgpu_virt_fini_data_exchange(adev);
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amdgpu_virt_request_full_gpu(adev, false);
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amdgpu_virt_request_full_gpu(adev, false);
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}
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r = amdgpu_device_ip_suspend_phase1(adev);
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r = amdgpu_device_ip_suspend_phase1(adev);
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if (r)
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if (r)
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