struct pipe_fence_handle * i915_drm_fence_create(drm_intel_bo *bo);
void i915_drm_winsys_init_batchbuffer_functions(struct i915_drm_winsys *idws);
struct pipe_fence_handle * i915_drm_fence_create(drm_intel_bo *bo);
void i915_drm_winsys_init_batchbuffer_functions(struct i915_drm_winsys *idws);