diff options
| author | Philip Yang <Philip.Yang@amd.com> | 2021-05-13 12:30:48 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-05-19 22:37:50 -0400 |
| commit | 765385ec00a94382b509c75867e2a40fa599a26d (patch) | |
| tree | 5ef806368afec1be3ec3d53908787e92eb34b5ca /drivers/gpu/drm/amd/amdkfd | |
| parent | Revert "drm/amdkfd: flush TLB after updating GPU page table" (diff) | |
| download | linux-765385ec00a94382b509c75867e2a40fa599a26d.tar.gz linux-765385ec00a94382b509c75867e2a40fa599a26d.zip | |
drm/amdkfd: heavy-weight flush TLB after unmap
Need do a heavy-weight TLB flush to make sure we have no more dirty data
in the cache for the unmapped pages.
Define enum TLB_FLUSH_TYPE, add flush_type parameter to
amdgpu_amdkfd_flush_gpu_tlb_pasid.
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_process.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 4 |
2 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c index 9d4f527bda7c..5b6c5669c03d 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c @@ -1853,7 +1853,7 @@ void kfd_flush_tlb(struct kfd_process_device *pdd) pdd->qpd.vmid); } else { amdgpu_amdkfd_flush_gpu_tlb_pasid(dev->kgd, - pdd->process->pasid); + pdd->process->pasid, TLB_FLUSH_LEGACY); } } diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c index a52e4594785f..f2901e7a993e 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c @@ -1127,7 +1127,7 @@ svm_range_unmap_from_gpus(struct svm_range *prange, unsigned long start, break; } amdgpu_amdkfd_flush_gpu_tlb_pasid((struct kgd_dev *)adev, - p->pasid); + p->pasid, TLB_FLUSH_HEAVYWEIGHT); } return r; @@ -1183,7 +1183,7 @@ svm_range_map_to_gpu(struct amdgpu_device *adev, struct amdgpu_vm *vm, p = container_of(prange->svms, struct kfd_process, svms); amdgpu_amdkfd_flush_gpu_tlb_pasid((struct kgd_dev *)adev, - p->pasid); + p->pasid, TLB_FLUSH_LEGACY); } out: prange->mapping.bo_va = NULL; |