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| author | Christian König <christian.koenig@amd.com> | 2022-02-01 16:21:04 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-02-07 23:13:52 +0100 |
| commit | 2d022081b333a7f15ba27607696d4a41a7a2b5f9 (patch) | |
| tree | 4d0dff31ebf4bd1200c9a5d5cfdc2b1118ac0c76 | |
| parent | drm/amd/display: Use NULL pointer instead of plain integer (diff) | |
| download | linux-2d022081b333a7f15ba27607696d4a41a7a2b5f9.tar.xz linux-2d022081b333a7f15ba27607696d4a41a7a2b5f9.zip | |
drm/amdgpu: add some lockdep checks to the VM code
Whenever a bo_va structure is added or removed the VM and eventually
added BO should be locked.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 4017bcf75e1f..5a67ac0b6b7a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -2244,6 +2244,8 @@ struct amdgpu_bo_va *amdgpu_vm_bo_add(struct amdgpu_device *adev, { struct amdgpu_bo_va *bo_va; + dma_resv_assert_held(vm->root.bo->tbo.base.resv); + bo_va = kzalloc(sizeof(struct amdgpu_bo_va), GFP_KERNEL); if (bo_va == NULL) { return NULL; @@ -2257,6 +2259,7 @@ struct amdgpu_bo_va *amdgpu_vm_bo_add(struct amdgpu_device *adev, if (!bo) return bo_va; + dma_resv_assert_held(bo->tbo.base.resv); if (amdgpu_dmabuf_is_xgmi_accessible(adev, bo)) { bo_va->is_xgmi = true; /* Power up XGMI if it can be potentially used */ @@ -2651,7 +2654,10 @@ void amdgpu_vm_bo_rmv(struct amdgpu_device *adev, struct amdgpu_vm *vm = bo_va->base.vm; struct amdgpu_vm_bo_base **base; + dma_resv_assert_held(vm->root.bo->tbo.base.resv); + if (bo) { + dma_resv_assert_held(bo->tbo.base.resv); if (bo->tbo.base.resv == vm->root.bo->tbo.base.resv) vm->bulk_moveable = false; |