[PATCH 6/7] drm/amdgpu: remove unused code

[Nirmoy Das <nirmoy.das@xxxxxxx>]

Remove unused code related to shadow BO.

Signed-off-by: Nirmoy Das <nirmoy.das@xxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 30 ----------------------
 drivers/gpu/drm/amd/amdgpu/amdgpu_object.h |  4 ---
 2 files changed, 34 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index eb3ce33cbfff..7308048bb7cc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -637,36 +637,6 @@ int amdgpu_bo_create(struct amdgpu_device *adev,
 	return r;
 }
 
-int amdgpu_bo_create_shadow(struct amdgpu_device *adev,
-			    unsigned long size,
-			    struct amdgpu_bo *bo)
-{
-	struct amdgpu_bo_param bp;
-	int r;
-
-	if (bo->shadow)
-		return 0;
-
-	memset(&bp, 0, sizeof(bp));
-	bp.size = size;
-	bp.domain = AMDGPU_GEM_DOMAIN_GTT;
-	bp.flags = AMDGPU_GEM_CREATE_CPU_GTT_USWC;
-	bp.type = ttm_bo_type_kernel;
-	bp.resv = bo->tbo.base.resv;
-	bp.bo_ptr_size = sizeof(struct amdgpu_bo);
-
-	r = amdgpu_bo_create(adev, &bp, &bo->shadow);
-	if (!r) {
-		bo->shadow->parent = amdgpu_bo_ref(bo);
-		bo->has_shadow = true;
-		mutex_lock(&adev->shadow_list_lock);
-		list_add_tail(&bo->shadow->shadow_list, &adev->shadow_list);
-		mutex_unlock(&adev->shadow_list_lock);
-	}
-
-	return r;
-}
-
 /**
  * amdgpu_bo_create_user - create an &amdgpu_bo_user buffer object
  * @adev: amdgpu device object
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
index 3a0e6ca88563..df30dc7effda 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
@@ -104,7 +104,6 @@ struct amdgpu_bo {
 	struct amdgpu_vm_bo_base	*vm_bo;
 	/* Constant after initialization */
 	struct amdgpu_bo		*parent;
-	struct amdgpu_bo                *shadow;
 	bool				has_shadow;
 
 #ifdef CONFIG_MMU_NOTIFIER
@@ -283,9 +282,6 @@ int amdgpu_bo_create_vm(struct amdgpu_device *adev,
 			struct amdgpu_bo_vm **ubo_ptr);
 void amdgpu_bo_free_kernel(struct amdgpu_bo **bo, u64 *gpu_addr,
 			   void **cpu_addr);
-int amdgpu_bo_create_shadow(struct amdgpu_device *adev,
-			    unsigned long size,
-			    struct amdgpu_bo *bo);
 int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr);
 void *amdgpu_bo_kptr(struct amdgpu_bo *bo);
 void amdgpu_bo_kunmap(struct amdgpu_bo *bo);
-- 
2.31.1

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