19 	struct intel_engine_cs *engine;  in intel_selftest_find_any_engine()  local
22 	for_each_engine(engine, gt, id)  in intel_selftest_find_any_engine()
23 		return engine;  in intel_selftest_find_any_engine()
25 	pr_err("No valid engine found!\n");  in intel_selftest_find_any_engine()
29 int intel_selftest_modify_policy(struct intel_engine_cs *engine,  in intel_selftest_modify_policy()  argument
36 	saved->reset = engine->i915->params.reset;  in intel_selftest_modify_policy()
37 	saved->flags = engine->flags;  in intel_selftest_modify_policy()
38 	saved->timeslice = engine->props.timeslice_duration_ms;  in intel_selftest_modify_policy()
39 	saved->preempt_timeout = engine->props.preempt_timeout_ms;  in intel_selftest_modify_policy()
45 		 * together with engine reset on pre-emption timeout.  in intel_selftest_modify_policy()
51 		engine->i915->params.reset = 2;  in intel_selftest_modify_policy()
52 		engine->flags |= I915_ENGINE_WANT_FORCED_PREEMPTION;  in intel_selftest_modify_policy()
53 		engine->props.timeslice_duration_ms = REDUCED_TIMESLICE;  in intel_selftest_modify_policy()
54 		engine->props.preempt_timeout_ms = REDUCED_PREEMPT;  in intel_selftest_modify_policy()
58 		engine->props.preempt_timeout_ms = 0;  in intel_selftest_modify_policy()
66 	if (!intel_engine_uses_guc(engine))  in intel_selftest_modify_policy()
69 	err = intel_guc_global_policies_update(&engine->gt->uc.guc);  in intel_selftest_modify_policy()
71 		intel_selftest_restore_policy(engine, saved);  in intel_selftest_modify_policy()
76 int intel_selftest_restore_policy(struct intel_engine_cs *engine,  in intel_selftest_restore_policy()  argument
80 	engine->i915->params.reset = saved->reset;  in intel_selftest_restore_policy()
81 	engine->flags = saved->flags;  in intel_selftest_restore_policy()
82 	engine->props.timeslice_duration_ms = saved->timeslice;  in intel_selftest_restore_policy()
83 	engine->props.preempt_timeout_ms = saved->preempt_timeout;  in intel_selftest_restore_policy()
85 	if (!intel_engine_uses_guc(engine))  in intel_selftest_restore_policy()
88 	return intel_guc_global_policies_update(&engine->gt->uc.guc);  in intel_selftest_restore_policy()