drm/ttm: drop evicted from ttm_bo.

This was unused.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200917064132.148521-3-airlied@gmail.com

drivers/gpu/drm/ttm/ttm_bo.c

@@ -298,8 +298,6 @@ static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo,
 	}
 
 moved:
-	bo->evicted = false;
-
 	ctx->bytes_moved += bo->num_pages << PAGE_SHIFT;
 	return 0;
 
@@ -638,9 +636,7 @@ static int ttm_bo_evict(struct ttm_buffer_object *bo,
 		if (ret != -ERESTARTSYS)
 			pr_err("Buffer eviction failed\n");
 		ttm_resource_free(bo, &evict_mem);
-		goto out;
 	}
-	bo->evicted = true;
 out:
 	return ret;
 }

include/drm/ttm/ttm_bo_api.h

@@ -141,7 +141,6 @@ struct ttm_buffer_object {
 	struct ttm_resource mem;
 	struct file *persistent_swap_storage;
 	struct ttm_tt *ttm;
-	bool evicted;
 	bool deleted;
 
 	/**