diff options
| author | Philip Yang <Philip.Yang@amd.com> | 2021-04-15 10:08:58 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-05-10 18:06:44 -0400 |
| commit | 1704ac8e439e3dcf97431e268bd64fde1874d807 (patch) | |
| tree | 96f108a89c49441b53505349dc586fc6a5aa07f7 /drivers/gpu/drm | |
| parent | 589bb0ca4767e289aeef7b90efd075a5faa44b6c (diff) | |
drm/amdkfd: flush TLB after updating GPU page table
To workaround the situation that vm retry fault keep coming after page
table update. We are investigating the root cause, but once this issue
happens, application will stuck and sometimes have to reboot to recover.
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c index d9111fea724b..a165e51c4a1c 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c @@ -1225,6 +1225,9 @@ static int svm_range_map_to_gpus(struct svm_range *prange, break; } } + + amdgpu_amdkfd_flush_gpu_tlb_pasid((struct kgd_dev *)adev, + p->pasid); } return r; |