Am 23.06.21 um 14:25 schrieb Nirmoy Das:
VM code should not be responsible for freeing pasid as pasid
gets allocated outside of VM code, before initializing a vm.
Signed-off-by: Nirmoy Das <nirmoy.das@xxxxxxx>
Reviewed-by: Christian König <christian.koenig@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 6 ++++++
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 5 -----
2 files changed, 6 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index f96598279593..42e22b1fdfee 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -1287,6 +1287,12 @@ int amdgpu_amdkfd_gpuvm_acquire_process_vm(struct kgd_dev *kgd,
if (avm->process_info)
return -EINVAL;
+ /* Free the original amdgpu allocated pasid,
+ * will be replaced with kfd allocated pasid
+ */
+ if (avm->pasid)
+ amdgpu_pasid_free(avm->pasid);
+
/* Convert VM into a compute VM */
ret = amdgpu_vm_make_compute(adev, avm, pasid);
if (ret)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 63975bda8e76..be841d62a1d4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -3094,11 +3094,6 @@ int amdgpu_vm_make_compute(struct amdgpu_device *adev, struct amdgpu_vm *vm,
spin_lock_irqsave(&adev->vm_manager.pasid_lock, flags);
idr_remove(&adev->vm_manager.pasid_idr, vm->pasid);
spin_unlock_irqrestore(&adev->vm_manager.pasid_lock, flags);
-
- /* Free the original amdgpu allocated pasid
- * Will be replaced with kfd allocated pasid
- */
- amdgpu_pasid_free(vm->pasid);
vm->pasid = 0;
}
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