294 static unsigned long sugov_get_util(struct sugov_cpu *sg_cpu)  in sugov_get_util()  argument
296 	struct rq *rq = cpu_rq(sg_cpu->cpu);  in sugov_get_util()
298 	unsigned long max = arch_scale_cpu_capacity(sg_cpu->cpu);  in sugov_get_util()
300 	sg_cpu->max = max;  in sugov_get_util()
301 	sg_cpu->bw_dl = cpu_bw_dl(rq);  in sugov_get_util()
303 	return schedutil_cpu_util(sg_cpu->cpu, util, max, FREQUENCY_UTIL, NULL);  in sugov_get_util()
317 static bool sugov_iowait_reset(struct sugov_cpu *sg_cpu, u64 time,  in sugov_iowait_reset()  argument
320 	s64 delta_ns = time - sg_cpu->last_update;  in sugov_iowait_reset()
326 	sg_cpu->iowait_boost = set_iowait_boost ? IOWAIT_BOOST_MIN : 0;  in sugov_iowait_reset()
327 	sg_cpu->iowait_boost_pending = set_iowait_boost;  in sugov_iowait_reset()
346 static void sugov_iowait_boost(struct sugov_cpu *sg_cpu, u64 time,  in sugov_iowait_boost()  argument
352 	if (sg_cpu->iowait_boost &&  in sugov_iowait_boost()
353 	    sugov_iowait_reset(sg_cpu, time, set_iowait_boost))  in sugov_iowait_boost()
361 	if (sg_cpu->iowait_boost_pending)  in sugov_iowait_boost()
363 	sg_cpu->iowait_boost_pending = true;  in sugov_iowait_boost()
366 	if (sg_cpu->iowait_boost) {  in sugov_iowait_boost()
367 		sg_cpu->iowait_boost =  in sugov_iowait_boost()
368 			min_t(unsigned int, sg_cpu->iowait_boost << 1, SCHED_CAPACITY_SCALE);  in sugov_iowait_boost()
373 	sg_cpu->iowait_boost = IOWAIT_BOOST_MIN;  in sugov_iowait_boost()
395 static unsigned long sugov_iowait_apply(struct sugov_cpu *sg_cpu, u64 time,  in sugov_iowait_apply()  argument
401 	if (!sg_cpu->iowait_boost)  in sugov_iowait_apply()
405 	if (sugov_iowait_reset(sg_cpu, time, false))  in sugov_iowait_apply()
408 	if (!sg_cpu->iowait_boost_pending) {  in sugov_iowait_apply()
412 		sg_cpu->iowait_boost >>= 1;  in sugov_iowait_apply()
413 		if (sg_cpu->iowait_boost < IOWAIT_BOOST_MIN) {  in sugov_iowait_apply()
414 			sg_cpu->iowait_boost = 0;  in sugov_iowait_apply()
419 	sg_cpu->iowait_boost_pending = false;  in sugov_iowait_apply()
425 	boost = (sg_cpu->iowait_boost * max) >> SCHED_CAPACITY_SHIFT;  in sugov_iowait_apply()
430 static bool sugov_cpu_is_busy(struct sugov_cpu *sg_cpu)  in sugov_cpu_is_busy()  argument
432 	unsigned long idle_calls = tick_nohz_get_idle_calls_cpu(sg_cpu->cpu);  in sugov_cpu_is_busy()
433 	bool ret = idle_calls == sg_cpu->saved_idle_calls;  in sugov_cpu_is_busy()
435 	sg_cpu->saved_idle_calls = idle_calls;  in sugov_cpu_is_busy()
439 static inline bool sugov_cpu_is_busy(struct sugov_cpu *sg_cpu) { return false; }  in sugov_cpu_is_busy()  argument
446 static inline void ignore_dl_rate_limit(struct sugov_cpu *sg_cpu, struct sugov_policy *sg_policy)  in ignore_dl_rate_limit()  argument
448 	if (cpu_bw_dl(cpu_rq(sg_cpu->cpu)) > sg_cpu->bw_dl)  in ignore_dl_rate_limit()
455 	struct sugov_cpu *sg_cpu = container_of(hook, struct sugov_cpu, update_util);  in sugov_update_single()  local
456 	struct sugov_policy *sg_policy = sg_cpu->sg_policy;  in sugov_update_single()
461 	sugov_iowait_boost(sg_cpu, time, flags);  in sugov_update_single()
462 	sg_cpu->last_update = time;  in sugov_update_single()
464 	ignore_dl_rate_limit(sg_cpu, sg_policy);  in sugov_update_single()
470 	busy = !sg_policy->need_freq_update && sugov_cpu_is_busy(sg_cpu);  in sugov_update_single()
472 	util = sugov_get_util(sg_cpu);  in sugov_update_single()
473 	max = sg_cpu->max;  in sugov_update_single()
474 	util = sugov_iowait_apply(sg_cpu, time, util, max);  in sugov_update_single()
501 static unsigned int sugov_next_freq_shared(struct sugov_cpu *sg_cpu, u64 time)  in sugov_next_freq_shared()  argument
503 	struct sugov_policy *sg_policy = sg_cpu->sg_policy;  in sugov_next_freq_shared()
528 	struct sugov_cpu *sg_cpu = container_of(hook, struct sugov_cpu, update_util);  in sugov_update_shared()  local
529 	struct sugov_policy *sg_policy = sg_cpu->sg_policy;  in sugov_update_shared()
534 	sugov_iowait_boost(sg_cpu, time, flags);  in sugov_update_shared()
535 	sg_cpu->last_update = time;  in sugov_update_shared()
537 	ignore_dl_rate_limit(sg_cpu, sg_policy);  in sugov_update_shared()
540 		next_f = sugov_next_freq_shared(sg_cpu, time);  in sugov_update_shared()
849 		struct sugov_cpu *sg_cpu = &per_cpu(sugov_cpu, cpu);  in sugov_start()  local
851 		memset(sg_cpu, 0, sizeof(*sg_cpu));  in sugov_start()
852 		sg_cpu->cpu			= cpu;  in sugov_start()
853 		sg_cpu->sg_policy		= sg_policy;  in sugov_start()
857 		struct sugov_cpu *sg_cpu = &per_cpu(sugov_cpu, cpu);  in sugov_start()  local
859 		cpufreq_add_update_util_hook(cpu, &sg_cpu->update_util,  in sugov_start()