On 2018-09-09 02:03 PM, Christian König wrote:
> Less code and easier to maintain.
>
> Signed-off-by: Christian König <christian.koe...@amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 28 ++++++----------------------
> 1 file changed, 6 insertions(+), 22 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> index 805cca89d8c7..65d95e6771aa 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> @@ -1366,33 +1366,18 @@ static void amdgpu_vm_update_pde(struct
> amdgpu_pte_update_params *params,
> *
> * @adev: amdgpu_device pointer
> * @vm: related vm
> - * @parent: parent PD
> - * @level: VMPT level
> *
> * Mark all PD level as invalid after an error.
> */
> static void amdgpu_vm_invalidate_level(struct amdgpu_device *adev,
Since you removed the level parameter, maybe also remove "level" from
the function name.
Regards,
Felix
> - struct amdgpu_vm *vm,
> - struct amdgpu_vm_pt *parent,
> - unsigned level)
> + struct amdgpu_vm *vm)
> {
> - unsigned pt_idx, num_entries;
> -
> - /*
> - * Recurse into the subdirectories. This recursion is harmless because
> - * we only have a maximum of 5 layers.
> - */
> - num_entries = amdgpu_vm_num_entries(adev, level);
> - for (pt_idx = 0; pt_idx < num_entries; ++pt_idx) {
> - struct amdgpu_vm_pt *entry = &parent->entries[pt_idx];
> -
> - if (!entry->base.bo)
> - continue;
> + struct amdgpu_vm_pt_cursor cursor;
> + struct amdgpu_vm_pt *entry;
>
> - if (!entry->base.moved)
> + for_each_amdgpu_vm_pt_dfs_safe(adev, vm, cursor, entry)
> + if (entry->base.bo && !entry->base.moved)
> amdgpu_vm_bo_relocated(&entry->base);
> - amdgpu_vm_invalidate_level(adev, vm, entry, level + 1);
> - }
> }
>
> /*
> @@ -1489,8 +1474,7 @@ int amdgpu_vm_update_directories(struct amdgpu_device
> *adev,
> return 0;
>
> error:
> - amdgpu_vm_invalidate_level(adev, vm, &vm->root,
> - adev->vm_manager.root_level);
> + amdgpu_vm_invalidate_level(adev, vm);
> amdgpu_job_free(job);
> return r;
> }
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