From d4085ea9bc8dc44eb4bfd696474f9ef26ec9e0cd Mon Sep 17 00:00:00 2001 From: =?utf8?q?Christian=20K=C3=B6nig?= Date: Sat, 8 Sep 2018 13:05:34 +0200 Subject: [PATCH] drm/amdgpu: use the DFS iterator in amdgpu_vm_invalidate_pds v2 MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Less code and easier to maintain. v2: rename the function as well Signed-off-by: Christian König Reviewed-by: Huang Rui Reviewed-by: Junwei Zhang Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 32 +++++++------------------- 1 file changed, 8 insertions(+), 24 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 139bd6347fc4..cca8fc931bbb 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -1370,37 +1370,22 @@ static void amdgpu_vm_update_pde(struct amdgpu_pte_update_params *params, } /* - * amdgpu_vm_invalidate_level - mark all PD levels as invalid + * amdgpu_vm_invalidate_pds - mark all PDs as invalid * * @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, - struct amdgpu_vm *vm, - struct amdgpu_vm_pt *parent, - unsigned level) +static void amdgpu_vm_invalidate_pds(struct amdgpu_device *adev, + 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); - } } /* @@ -1497,8 +1482,7 @@ restart: return 0; error: - amdgpu_vm_invalidate_level(adev, vm, &vm->root, - adev->vm_manager.root_level); + amdgpu_vm_invalidate_pds(adev, vm); amdgpu_job_free(job); return r; } -- 2.30.2