1 files changed, 1 insertions, 55 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c
index a160265ddc07..2835cb3f76eb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c
@@ -90,22 +90,6 @@ static unsigned int amdgpu_vm_pt_num_entries(struct amdgpu_device *adev,
 }
 
 /**
- * amdgpu_vm_pt_num_ats_entries - return the number of ATS entries in the root PD
- *
- * @adev: amdgpu_device pointer
- *
- * Returns:
- * The number of entries in the root page directory which needs the ATS setting.
- */
-static unsigned int amdgpu_vm_pt_num_ats_entries(struct amdgpu_device *adev)
-{
-	unsigned int shift;
-
-	shift = amdgpu_vm_pt_level_shift(adev, adev->vm_manager.root_level);
-	return AMDGPU_GMC_HOLE_START >> (shift + AMDGPU_GPU_PAGE_SHIFT);
-}
-
-/**
  * amdgpu_vm_pt_entries_mask - the mask to get the entry number of a PD/PT
  *
  * @adev: amdgpu_device pointer
@@ -379,7 +363,7 @@ int amdgpu_vm_pt_clear(struct amdgpu_device *adev, struct amdgpu_vm *vm,
 	struct ttm_operation_ctx ctx = { true, false };
 	struct amdgpu_vm_update_params params;
 	struct amdgpu_bo *ancestor = &vmbo->bo;
-	unsigned int entries, ats_entries;
+	unsigned int entries;
 	struct amdgpu_bo *bo = &vmbo->bo;
 	uint64_t addr;
 	int r, idx;
@@ -394,27 +378,6 @@ int amdgpu_vm_pt_clear(struct amdgpu_device *adev, struct amdgpu_vm *vm,
 	}
 
 	entries = amdgpu_bo_size(bo) / 8;
-	if (!vm->pte_support_ats) {
-		ats_entries = 0;
-
-	} else if (!bo->parent) {
-		ats_entries = amdgpu_vm_pt_num_ats_entries(adev);
-		ats_entries = min(ats_entries, entries);
-		entries -= ats_entries;
-
-	} else {
-		struct amdgpu_vm_bo_base *pt;
-
-		pt = ancestor->vm_bo;
-		ats_entries = amdgpu_vm_pt_num_ats_entries(adev);
-		if ((pt - to_amdgpu_bo_vm(vm->root.bo)->entries) >=
-		    ats_entries) {
-			ats_entries = 0;
-		} else {
-			ats_entries = entries;
-			entries = 0;
-		}
-	}
 
 	r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
 	if (r)
@@ -445,23 +408,6 @@ int amdgpu_vm_pt_clear(struct amdgpu_device *adev, struct amdgpu_vm *vm,
 		goto exit;
 
 	addr = 0;
-	if (ats_entries) {
-		uint64_t value = 0, flags;
-
-		flags = AMDGPU_PTE_DEFAULT_ATC;
-		if (level != AMDGPU_VM_PTB) {
-			/* Handle leaf PDEs as PTEs */
-			flags |= AMDGPU_PDE_PTE;
-			amdgpu_gmc_get_vm_pde(adev, level, &value, &flags);
-		}
-
-		r = vm->update_funcs->update(&params, vmbo, addr, 0,
-					     ats_entries, value, flags);
-		if (r)
-			goto exit;
-
-		addr += ats_entries * 8;
-	}
 
 	if (entries) {
 		uint64_t value = 0, flags = 0;