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drm/amdgpu: stop data_exchange work thread before reset

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In FLR routine, init_data_exchange is called at reset_sriov
while fini_data_exchange is not. This will duplicating work
thread.

So call fini_data_exchange before reset for SRIOV

Signed-off-by: Tiecheng Zhou <Tiecheng.Zhou@amd.com>
Signed-off-by: Bokun Zhang <Bokun.Zhang@amd.com>
Reviewed-by: Monk Liu <monk.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Tiecheng Zhou 2020-08-19 10:27:09 +08:00 • committed by Alex Deucher
parent 519b8b76f0
commit b602ca5f31
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@ -4078,6 +4078,11 @@ static int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev,
amdgpu_debugfs_wait_dump(adev);
if (amdgpu_sriov_vf(adev)) {
/* stop the data exchange thread */
amdgpu_virt_fini_data_exchange(adev);
}
/* block all schedulers and reset given job's ring */
for (i = 0; i < AMDGPU_MAX_RINGS; ++i) {
struct amdgpu_ring *ring = adev->rings[i];