diff options
| author | gaba <gaba@amd.com> | 2023-03-03 03:03:56 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-07-10 16:02:37 +0300 |
| commit | edc857a682bb6a69367a707db3ebc31de5bd19ce (patch) | |
| tree | 8412d70314070e04771dbf5537c001919615f01d /drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | |
| parent | 0127ab1bdc61909b0338b00f2737f5fe3860e322 (diff) | |
| download | linux-edc857a682bb6a69367a707db3ebc31de5bd19ce.tar.xz | |
drm/amdgpu: avoid restore process run into dead loop.
In restore process worker, pinned BO cause update PTE fail, then
the function re-schedule the restore_work. This will generate dead loop.
Signed-off-by: gaba <gaba@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/amdgpu/amdgpu_amdkfd_gpuvm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c index f61527b800e6..a7f314ddd173 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c @@ -2881,6 +2881,9 @@ int amdgpu_amdkfd_gpuvm_restore_process_bos(void *info, struct dma_fence **ef) if (!attachment->is_mapped) continue; + if (attachment->bo_va->base.bo->tbo.pin_count) + continue; + kfd_mem_dmaunmap_attachment(mem, attachment); ret = update_gpuvm_pte(mem, attachment, &sync_obj); if (ret) { |