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authorwentalou <Wentao.Lou@amd.com>2018-12-07 13:53:18 +0800
committerAlex Deucher <alexander.deucher@amd.com>2018-12-14 12:04:38 -0500
commit7b184b006185215daf4e911f8de212964c99a514 (patch)
treebd6b0c211f2567bdc015da9b9b087881dae0da64 /drivers/gpu
parent2a3c83f5fe0770d13bbb71b23674886ff4111f44 (diff)
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>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_device.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index b60afeade50a..8a078f4ae73d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -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);