724 	reset_func reset;  in __intel_gt_reset()  local
728 	reset = intel_get_gpu_reset(gt);  in __intel_gt_reset()
729 	if (!reset)  in __intel_gt_reset()
740 		ret = reset(gt, engine_mask, retry);  in __intel_gt_reset()
750 	if (!gt->i915->params.reset)  in intel_has_gpu_reset()
758 	if (gt->i915->params.reset < 2)  in intel_has_reset_engine()
793 	if (engine->reset.prepare)  in reset_prepare_engine()
794 		engine->reset.prepare(engine);  in reset_prepare_engine()
878 	if (engine->reset.finish)  in reset_finish_engine()
879 		engine->reset.finish(engine);  in reset_finish_engine()
918 	if (test_bit(I915_WEDGED, &gt->reset.flags))  in __intel_gt_set_wedged()
943 	set_bit(I915_WEDGED, &gt->reset.flags);  in __intel_gt_set_wedged()
948 		if (engine->reset.cancel)  in __intel_gt_set_wedged()
949 			engine->reset.cancel(engine);  in __intel_gt_set_wedged()
962 	if (test_bit(I915_WEDGED, &gt->reset.flags))  in intel_gt_set_wedged()
966 	mutex_lock(&gt->reset.mutex);  in intel_gt_set_wedged()
984 	mutex_unlock(&gt->reset.mutex);  in intel_gt_set_wedged()
994 	if (!test_bit(I915_WEDGED, &gt->reset.flags))  in __intel_gt_unset_wedged()
1066 	clear_bit(I915_WEDGED, &gt->reset.flags);  in __intel_gt_unset_wedged()
1075 	mutex_lock(&gt->reset.mutex);  in intel_gt_unset_wedged()
1077 	mutex_unlock(&gt->reset.mutex);  in intel_gt_unset_wedged()
1136 	GT_TRACE(gt, "flags=%lx\n", gt->reset.flags);  in intel_gt_reset()
1139 	GEM_BUG_ON(!test_bit(I915_RESET_BACKOFF, &gt->reset.flags));  in intel_gt_reset()
1147 	mutex_lock(&gt->reset.mutex);  in intel_gt_reset()
1161 		if (gt->i915->params.reset)  in intel_gt_reset()
1204 	mutex_unlock(&gt->reset.mutex);  in intel_gt_reset()
1236 	ENGINE_TRACE(engine, "flags=%lx\n", gt->reset.flags);  in __intel_engine_reset_bh()
1237 	GEM_BUG_ON(!test_bit(I915_RESET_ENGINE + engine->id, &gt->reset.flags));  in __intel_engine_reset_bh()
1324 		synchronize_srcu_expedited(&gt->reset.backoff_srcu);  in intel_gt_reset_global()
1331 	if (!test_bit(I915_WEDGED, &gt->reset.flags))  in intel_gt_reset_global()
1395 					     &gt->reset.flags))  in intel_gt_handle_error()
1402 					      &gt->reset.flags);  in intel_gt_handle_error()
1411 	if (test_and_set_bit(I915_RESET_BACKOFF, &gt->reset.flags)) {  in intel_gt_handle_error()
1412 		wait_event(gt->reset.queue,  in intel_gt_handle_error()
1413 			   !test_bit(I915_RESET_BACKOFF, &gt->reset.flags));  in intel_gt_handle_error()
1423 					&gt->reset.flags))  in intel_gt_handle_error()
1424 			wait_on_bit(&gt->reset.flags,  in intel_gt_handle_error()
1433 				 &gt->reset.flags);  in intel_gt_handle_error()
1434 	clear_bit_unlock(I915_RESET_BACKOFF, &gt->reset.flags);  in intel_gt_handle_error()
1436 	wake_up_all(&gt->reset.queue);  in intel_gt_handle_error()
1444 	might_lock(&gt->reset.backoff_srcu);  in intel_gt_reset_trylock()
1448 	while (test_bit(I915_RESET_BACKOFF, &gt->reset.flags)) {  in intel_gt_reset_trylock()
1451 		if (wait_event_interruptible(gt->reset.queue,  in intel_gt_reset_trylock()
1453 						       &gt->reset.flags)))  in intel_gt_reset_trylock()
1458 	*srcu = srcu_read_lock(&gt->reset.backoff_srcu);  in intel_gt_reset_trylock()
1465 __releases(&gt->reset.backoff_srcu)  in intel_gt_reset_unlock()
1467 	srcu_read_unlock(&gt->reset.backoff_srcu, tag);  in intel_gt_reset_unlock()
1481 	if (wait_event_interruptible(gt->reset.queue,  in intel_gt_terminally_wedged()
1483 					       &gt->reset.flags)))  in intel_gt_terminally_wedged()
1494 	set_bit(I915_WEDGED_ON_INIT, &gt->reset.flags);  in intel_gt_set_wedged_on_init()
1503 	set_bit(I915_WEDGED_ON_FINI, &gt->reset.flags);  in intel_gt_set_wedged_on_fini()
1509 	init_waitqueue_head(&gt->reset.queue);  in intel_gt_init_reset()
1510 	mutex_init(&gt->reset.mutex);  in intel_gt_init_reset()
1511 	init_srcu_struct(&gt->reset.backoff_srcu);  in intel_gt_init_reset()
1522 	i915_gem_shrinker_taints_mutex(gt->i915, &gt->reset.mutex);  in intel_gt_init_reset()
1525 	__set_bit(I915_WEDGED, &gt->reset.flags);  in intel_gt_init_reset()
1530 	cleanup_srcu_struct(&gt->reset.backoff_srcu);  in intel_gt_fini_reset()