drm/i915/selftests: Provide stub reset functions

	spin_unlock_irqrestore(&engine->hw_lock, flags);

}

static void mock_reset_prepare(struct intel_engine_cs *engine)

{

}

static void mock_reset(struct intel_engine_cs *engine, bool stalled)

{

	GEM_BUG_ON(stalled);

}

static void mock_reset_finish(struct intel_engine_cs *engine)

{

}

static void mock_cancel_requests(struct intel_engine_cs *engine)

{

	struct i915_request *request;

	unsigned long flags;

	spin_lock_irqsave(&engine->timeline.lock, flags);

	/* Mark all submitted requests as skipped. */

	list_for_each_entry(request, &engine->timeline.requests, sched.link) {

		if (!i915_request_signaled(request))

			dma_fence_set_error(&request->fence, -EIO);

		i915_request_mark_complete(request);

	}

	spin_unlock_irqrestore(&engine->timeline.lock, flags);

}

struct intel_engine_cs *mock_engine(struct drm_i915_private *i915,

				    const char *name,

				    int id)

	engine->base.emit_fini_breadcrumb = mock_emit_breadcrumb;

	engine->base.submit_request = mock_submit_request;

	engine->base.reset.prepare = mock_reset_prepare;

	engine->base.reset.reset = mock_reset;

	engine->base.reset.finish = mock_reset_finish;

	engine->base.cancel_requests = mock_cancel_requests;

	if (i915_timeline_init(i915,

			       &engine->base.timeline,

			       engine->base.name,