drm/amdgpu: remove unused amdgpu_bo_validate

Just drop some dead code.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Nirmoy Das <nirmoy.das@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -694,40 +694,6 @@ int amdgpu_bo_create_vm(struct amdgpu_device *adev,
 	return r;
 }
 
-/**
- * amdgpu_bo_validate - validate an &amdgpu_bo buffer object
- * @bo: pointer to the buffer object
- *
- * Sets placement according to domain; and changes placement and caching
- * policy of the buffer object according to the placement.
- * This is used for validating shadow bos.  It calls ttm_bo_validate() to
- * make sure the buffer is resident where it needs to be.
- *
- * Returns:
- * 0 for success or a negative error code on failure.
- */
-int amdgpu_bo_validate(struct amdgpu_bo *bo)
-{
-	struct ttm_operation_ctx ctx = { false, false };
-	uint32_t domain;
-	int r;
-
-	if (bo->tbo.pin_count)
-		return 0;
-
-	domain = bo->preferred_domains;
-
-retry:
-	amdgpu_bo_placement_from_domain(bo, domain);
-	r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
-	if (unlikely(r == -ENOMEM) && domain != bo->allowed_domains) {
-		domain = bo->allowed_domains;
-		goto retry;
-	}
-
-	return r;
-}
-
 /**
  * amdgpu_bo_add_to_shadow_list - add a BO to the shadow list
  *

drivers/gpu/drm/amd/amdgpu/amdgpu_object.h

@@ -327,7 +327,6 @@ int amdgpu_bo_sync_wait_resv(struct amdgpu_device *adev, struct dma_resv *resv,
 int amdgpu_bo_sync_wait(struct amdgpu_bo *bo, void *owner, bool intr);
 u64 amdgpu_bo_gpu_offset(struct amdgpu_bo *bo);
 u64 amdgpu_bo_gpu_offset_no_check(struct amdgpu_bo *bo);
-int amdgpu_bo_validate(struct amdgpu_bo *bo);
 void amdgpu_bo_get_memory(struct amdgpu_bo *bo, uint64_t *vram_mem,
 				uint64_t *gtt_mem, uint64_t *cpu_mem);
 void amdgpu_bo_add_to_shadow_list(struct amdgpu_bo_vm *vmbo);