diff options
| author | Eric Huang <jinhuieric.huang@amd.com> | 2021-06-01 18:54:32 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-06-04 12:40:01 -0400 |
| commit | 31f33243788dcbae8bd2819ed83923a73f7dfd30 (patch) | |
| tree | 07f44ea83102c0ccb01942bbada05898a2a8c04b /drivers/gpu/drm/amd/amdkfd/kfd_process.c | |
| parent | 075e8080c1a7571563171a07fa9ce47c4bc80044 (diff) | |
drm/amdkfd: Make TLB flush conditional on mapping
It is to optimize memory mapping latency, and also aviod
a page fault in a corner case of changing valid PDE into
PTE.
Signed-off-by: Eric Huang <jinhuieric.huang@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/amd/amdkfd/kfd_process.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_process.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c index 1a99771b0884..bfa6c4cd2f44 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c @@ -672,7 +672,8 @@ static int kfd_process_alloc_gpuvm(struct kfd_process_device *pdd, if (err) goto err_alloc_mem; - err = amdgpu_amdkfd_gpuvm_map_memory_to_gpu(kdev->kgd, mem, pdd->drm_priv); + err = amdgpu_amdkfd_gpuvm_map_memory_to_gpu(kdev->kgd, mem, + pdd->drm_priv, NULL); if (err) goto err_map_mem; |