+struct wedge_me {
+ struct delayed_work work;
+ struct drm_i915_private *i915;
+ const char *name;
+};
+
+static void wedge_me(struct work_struct *work)
+{
+ struct wedge_me *w = container_of(work, typeof(*w), work.work);
+
+ dev_err(w->i915->drm.dev,
+ "%s timed out, cancelling all in-flight rendering.\n",
+ w->name);
+ i915_gem_set_wedged(w->i915);
+}
+
+static void __init_wedge(struct wedge_me *w,
+ struct drm_i915_private *i915,
+ long timeout,
+ const char *name)
+{
+ w->i915 = i915;
+ w->name = name;
+
+ INIT_DELAYED_WORK_ONSTACK(&w->work, wedge_me);
+ schedule_delayed_work(&w->work, timeout);
+}
+
+static void __fini_wedge(struct wedge_me *w)
+{
+ cancel_delayed_work_sync(&w->work);
+ destroy_delayed_work_on_stack(&w->work);
+ w->i915 = NULL;
+}
+
+#define i915_wedge_on_timeout(W, DEV, TIMEOUT) \
+ for (__init_wedge((W), (DEV), (TIMEOUT), __func__); \
+ (W)->i915; \
+ __fini_wedge((W)))
+