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drm/amdgpu/sriov:Correct pfvf exchange logic

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The pfvf exchange need be in exclusive mode. And add pfvf exchange in gpu
reset.

Signed-off-by: Emily Deng <Emily.Deng@amd.com>
Reviewed-By: Xiangliang Yu <Xiangliang.Yu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Emily Deng
2018-12-29 17:46:05 +08:00
committed by Alex Deucher
parent 048b9b0f5c
commit b8cf66182e
2 changed files with 5 additions and 5 deletions
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8
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@@ -1701,8 +1701,10 @@ static int amdgpu_device_ip_init(struct amdgpu_device *adev)
amdgpu_xgmi_add_device(adev);
amdgpu_amdkfd_device_init(adev);
if (amdgpu_sriov_vf(adev))
if (amdgpu_sriov_vf(adev)) {
amdgpu_virt_init_data_exchange(adev);
amdgpu_virt_release_full_gpu(adev, true);
}
return 0;
}
@@ -2632,9 +2634,6 @@ fence_driver_init:
goto failed;
}
if (amdgpu_sriov_vf(adev))
amdgpu_virt_init_data_exchange(adev);
amdgpu_fbdev_init(adev);
r = amdgpu_pm_sysfs_init(adev);
@@ -3226,6 +3225,7 @@ static int amdgpu_device_reset_sriov(struct amdgpu_device *adev,
r = amdgpu_ib_ring_tests(adev);
error:
amdgpu_virt_init_data_exchange(adev);
amdgpu_virt_release_full_gpu(adev, true);
if (!r && adev->virt.gim_feature & AMDGIM_FEATURE_GIM_FLR_VRAMLOST) {
atomic_inc(&adev->vram_lost_counter);