drm/amdgpu: move shadow bo validation to VM code

Do the shadow bo validation in the VM code as
VM code knows/owns shadow BOs.
Signed-off-by: NNirmoy Das <nirmoy.das@amd.com>
Reviewed-by: NChristian König <christian.koenig@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c

@@ -396,10 +396,10 @@ void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, u64 num_bytes,
 	spin_unlock(&adev->mm_stats.lock);
 }
 
-static int amdgpu_cs_bo_validate(struct amdgpu_cs_parser *p,
-				 struct amdgpu_bo *bo)
+static int amdgpu_cs_bo_validate(void *param, struct amdgpu_bo *bo)
 {
 	struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
+	struct amdgpu_cs_parser *p = param;
 	struct ttm_operation_ctx ctx = {
 		.interruptible = true,
 		.no_wait_gpu = false,
@@ -451,21 +451,6 @@ static int amdgpu_cs_bo_validate(struct amdgpu_cs_parser *p,
 	return r;
 }
 
-static int amdgpu_cs_validate(void *param, struct amdgpu_bo *bo)
-{
-	struct amdgpu_cs_parser *p = param;
-	int r;
-
-	r = amdgpu_cs_bo_validate(p, bo);
-	if (r)
-		return r;
-
-	if (bo->shadow)
-		r = amdgpu_cs_bo_validate(p, bo->shadow);
-
-	return r;
-}
-
 static int amdgpu_cs_list_validate(struct amdgpu_cs_parser *p,
 			    struct list_head *validated)
 {
@@ -493,7 +478,7 @@ static int amdgpu_cs_list_validate(struct amdgpu_cs_parser *p,
 						     lobj->user_pages);
 		}
 
-		r = amdgpu_cs_validate(p, bo);
+		r = amdgpu_cs_bo_validate(p, bo);
 		if (r)
 			return r;
 
@@ -593,7 +578,7 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
 	p->bytes_moved_vis = 0;
 
 	r = amdgpu_vm_validate_pt_bos(p->adev, &fpriv->vm,
-				      amdgpu_cs_validate, p);
+				      amdgpu_cs_bo_validate, p);
 	if (r) {
 		DRM_ERROR("amdgpu_vm_validate_pt_bos() failed.\n");
 		goto error_validate;

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c

@@ -696,6 +696,11 @@ int amdgpu_vm_validate_pt_bos(struct amdgpu_device *adev, struct amdgpu_vm *vm,
 		r = validate(param, bo);
 		if (r)
 			return r;
+		if (bo->shadow) {
+			r = validate(param, bo->shadow);
+			if (r)
+				return r;
+		}
 
 		if (bo->tbo.type != ttm_bo_type_kernel) {
 			amdgpu_vm_bo_moved(bo_base);