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drm/amdgpu: kfd_pre_reset outside req_full_gpu cause sriov hang 

XGMI hive put kfd_pre_reset into amdgpu_device_lock_adev,
but outside req_full_gpu of sriov.
It would make sriov hang during reset.

Signed-off-by: Wentao Lou <Wentao.Lou@amd.com>
Reviewed-by: Shaoyun Liu <Shaoyun.Liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
wentalou 2018-12-07 13:53:18 +08:00 committed by Alex Deucher
parent 2a3c83f5fe
commit 7b184b0061
1 changed files with 6 additions and 4 deletions
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10
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@ -3476,14 +3476,16 @@ static void amdgpu_device_lock_adev(struct amdgpu_device *adev)
mutex_lock(&adev->lock_reset);
atomic_inc(&adev->gpu_reset_counter);
adev->in_gpu_reset = 1;
/* Block kfd */
amdgpu_amdkfd_pre_reset(adev);
/* Block kfd: SRIOV would do it separately */
if (!amdgpu_sriov_vf(adev))
amdgpu_amdkfd_pre_reset(adev);
}
static void amdgpu_device_unlock_adev(struct amdgpu_device *adev)
{
/*unlock kfd */
amdgpu_amdkfd_post_reset(adev);
/*unlock kfd: SRIOV would do it separately */
if (!amdgpu_sriov_vf(adev))
amdgpu_amdkfd_post_reset(adev);
amdgpu_vf_error_trans_all(adev);
adev->in_gpu_reset = 0;
mutex_unlock(&adev->lock_reset);