diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 545531db66db..758bbb9e77f3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -2086,6 +2086,7 @@ static void amdgpu_vm_bo_insert_map(struct amdgpu_device *adev, struct amdgpu_vm *vm = bo_va->base.vm; struct amdgpu_bo *bo = bo_va->base.bo; + mapping->bo_va = bo_va; list_add(&mapping->list, &bo_va->invalids); amdgpu_vm_it_insert(mapping, &vm->va); @@ -2263,6 +2264,7 @@ int amdgpu_vm_bo_unmap(struct amdgpu_device *adev, list_del(&mapping->list); amdgpu_vm_it_remove(mapping, &vm->va); + mapping->bo_va = NULL; trace_amdgpu_vm_bo_unmap(bo_va, mapping); if (valid) @@ -2348,6 +2350,7 @@ int amdgpu_vm_bo_clear_mappings(struct amdgpu_device *adev, if (tmp->last > eaddr) tmp->last = eaddr; + tmp->bo_va = NULL; list_add(&tmp->list, &vm->freed); trace_amdgpu_vm_bo_unmap(NULL, tmp); } @@ -2374,6 +2377,19 @@ int amdgpu_vm_bo_clear_mappings(struct amdgpu_device *adev, } /** + * amdgpu_vm_bo_lookup_mapping - find mapping by address + * + * @vm: the requested VM + * + * Find a mapping by it's address. + */ +struct amdgpu_bo_va_mapping *amdgpu_vm_bo_lookup_mapping(struct amdgpu_vm *vm, + uint64_t addr) +{ + return amdgpu_vm_it_iter_first(&vm->va, addr, addr); +} + +/** * amdgpu_vm_bo_rmv - remove a bo to a specific vm * * @adev: amdgpu_device pointer @@ -2398,6 +2414,7 @@ void amdgpu_vm_bo_rmv(struct amdgpu_device *adev, list_for_each_entry_safe(mapping, next, &bo_va->valids, list) { list_del(&mapping->list); amdgpu_vm_it_remove(mapping, &vm->va); + mapping->bo_va = NULL; trace_amdgpu_vm_bo_unmap(bo_va, mapping); list_add(&mapping->list, &vm->freed); } |