281 static unsigned long sugov_get_util(struct sugov_cpu *sg_cpu)  in sugov_get_util()  argument
283 	struct rq *rq = cpu_rq(sg_cpu->cpu);  in sugov_get_util()
285 	unsigned long max = arch_scale_cpu_capacity(sg_cpu->cpu);  in sugov_get_util()
287 	sg_cpu->max = max;  in sugov_get_util()
288 	sg_cpu->bw_dl = cpu_bw_dl(rq);  in sugov_get_util()
290 	return schedutil_cpu_util(sg_cpu->cpu, util, max, FREQUENCY_UTIL, NULL);  in sugov_get_util()
304 static bool sugov_iowait_reset(struct sugov_cpu *sg_cpu, u64 time,  in sugov_iowait_reset()  argument
307 	s64 delta_ns = time - sg_cpu->last_update;  in sugov_iowait_reset()
313 	sg_cpu->iowait_boost = set_iowait_boost ? IOWAIT_BOOST_MIN : 0;  in sugov_iowait_reset()
314 	sg_cpu->iowait_boost_pending = set_iowait_boost;  in sugov_iowait_reset()
333 static void sugov_iowait_boost(struct sugov_cpu *sg_cpu, u64 time,  in sugov_iowait_boost()  argument
339 	if (sg_cpu->iowait_boost &&  in sugov_iowait_boost()
340 	    sugov_iowait_reset(sg_cpu, time, set_iowait_boost))  in sugov_iowait_boost()
348 	if (sg_cpu->iowait_boost_pending)  in sugov_iowait_boost()
350 	sg_cpu->iowait_boost_pending = true;  in sugov_iowait_boost()
353 	if (sg_cpu->iowait_boost) {  in sugov_iowait_boost()
354 		sg_cpu->iowait_boost =  in sugov_iowait_boost()
355 			min_t(unsigned int, sg_cpu->iowait_boost << 1, SCHED_CAPACITY_SCALE);  in sugov_iowait_boost()
360 	sg_cpu->iowait_boost = IOWAIT_BOOST_MIN;  in sugov_iowait_boost()
382 static unsigned long sugov_iowait_apply(struct sugov_cpu *sg_cpu, u64 time,  in sugov_iowait_apply()  argument
388 	if (!sg_cpu->iowait_boost)  in sugov_iowait_apply()
392 	if (sugov_iowait_reset(sg_cpu, time, false))  in sugov_iowait_apply()
395 	if (!sg_cpu->iowait_boost_pending) {  in sugov_iowait_apply()
399 		sg_cpu->iowait_boost >>= 1;  in sugov_iowait_apply()
400 		if (sg_cpu->iowait_boost < IOWAIT_BOOST_MIN) {  in sugov_iowait_apply()
401 			sg_cpu->iowait_boost = 0;  in sugov_iowait_apply()
406 	sg_cpu->iowait_boost_pending = false;  in sugov_iowait_apply()
412 	boost = (sg_cpu->iowait_boost * max) >> SCHED_CAPACITY_SHIFT;  in sugov_iowait_apply()
417 static bool sugov_cpu_is_busy(struct sugov_cpu *sg_cpu)  in sugov_cpu_is_busy()  argument
419 	unsigned long idle_calls = tick_nohz_get_idle_calls_cpu(sg_cpu->cpu);  in sugov_cpu_is_busy()
420 	bool ret = idle_calls == sg_cpu->saved_idle_calls;  in sugov_cpu_is_busy()
422 	sg_cpu->saved_idle_calls = idle_calls;  in sugov_cpu_is_busy()
426 static inline bool sugov_cpu_is_busy(struct sugov_cpu *sg_cpu) { return false; }  in sugov_cpu_is_busy()  argument
433 static inline void ignore_dl_rate_limit(struct sugov_cpu *sg_cpu, struct sugov_policy *sg_policy)  in ignore_dl_rate_limit()  argument
435 	if (cpu_bw_dl(cpu_rq(sg_cpu->cpu)) > sg_cpu->bw_dl)  in ignore_dl_rate_limit()
442 	struct sugov_cpu *sg_cpu = container_of(hook, struct sugov_cpu, update_util);  in sugov_update_single()  local
443 	struct sugov_policy *sg_policy = sg_cpu->sg_policy;  in sugov_update_single()
448 	sugov_iowait_boost(sg_cpu, time, flags);  in sugov_update_single()
449 	sg_cpu->last_update = time;  in sugov_update_single()
451 	ignore_dl_rate_limit(sg_cpu, sg_policy);  in sugov_update_single()
456 	util = sugov_get_util(sg_cpu);  in sugov_update_single()
457 	max = sg_cpu->max;  in sugov_update_single()
458 	util = sugov_iowait_apply(sg_cpu, time, util, max);  in sugov_update_single()
464 	if (sugov_cpu_is_busy(sg_cpu) && next_f < sg_policy->next_freq) {  in sugov_update_single()
485 static unsigned int sugov_next_freq_shared(struct sugov_cpu *sg_cpu, u64 time)  in sugov_next_freq_shared()  argument
487 	struct sugov_policy *sg_policy = sg_cpu->sg_policy;  in sugov_next_freq_shared()
512 	struct sugov_cpu *sg_cpu = container_of(hook, struct sugov_cpu, update_util);  in sugov_update_shared()  local
513 	struct sugov_policy *sg_policy = sg_cpu->sg_policy;  in sugov_update_shared()
518 	sugov_iowait_boost(sg_cpu, time, flags);  in sugov_update_shared()
519 	sg_cpu->last_update = time;  in sugov_update_shared()
521 	ignore_dl_rate_limit(sg_cpu, sg_policy);  in sugov_update_shared()
524 		next_f = sugov_next_freq_shared(sg_cpu, time);  in sugov_update_shared()
834 		struct sugov_cpu *sg_cpu = &per_cpu(sugov_cpu, cpu);  in sugov_start()  local
836 		memset(sg_cpu, 0, sizeof(*sg_cpu));  in sugov_start()
837 		sg_cpu->cpu			= cpu;  in sugov_start()
838 		sg_cpu->sg_policy		= sg_policy;  in sugov_start()
842 		struct sugov_cpu *sg_cpu = &per_cpu(sugov_cpu, cpu);  in sugov_start()  local
844 		cpufreq_add_update_util_hook(cpu, &sg_cpu->update_util,  in sugov_start()