164 static void sugov_get_util(struct sugov_cpu *sg_cpu)  in sugov_get_util()  argument
166 	struct rq *rq = cpu_rq(sg_cpu->cpu);  in sugov_get_util()
167 	unsigned long max = arch_scale_cpu_capacity(sg_cpu->cpu);  in sugov_get_util()
169 	sg_cpu->max = max;  in sugov_get_util()
170 	sg_cpu->bw_dl = cpu_bw_dl(rq);  in sugov_get_util()
171 	sg_cpu->util = effective_cpu_util(sg_cpu->cpu, cpu_util_cfs(rq), max,  in sugov_get_util()
186 static bool sugov_iowait_reset(struct sugov_cpu *sg_cpu, u64 time,  in sugov_iowait_reset()  argument
189 	s64 delta_ns = time - sg_cpu->last_update;  in sugov_iowait_reset()
195 	sg_cpu->iowait_boost = set_iowait_boost ? IOWAIT_BOOST_MIN : 0;  in sugov_iowait_reset()
196 	sg_cpu->iowait_boost_pending = set_iowait_boost;  in sugov_iowait_reset()
215 static void sugov_iowait_boost(struct sugov_cpu *sg_cpu, u64 time,  in sugov_iowait_boost()  argument
221 	if (sg_cpu->iowait_boost &&  in sugov_iowait_boost()
222 	    sugov_iowait_reset(sg_cpu, time, set_iowait_boost))  in sugov_iowait_boost()
230 	if (sg_cpu->iowait_boost_pending)  in sugov_iowait_boost()
232 	sg_cpu->iowait_boost_pending = true;  in sugov_iowait_boost()
235 	if (sg_cpu->iowait_boost) {  in sugov_iowait_boost()
236 		sg_cpu->iowait_boost =  in sugov_iowait_boost()
237 			min_t(unsigned int, sg_cpu->iowait_boost << 1, SCHED_CAPACITY_SCALE);  in sugov_iowait_boost()
242 	sg_cpu->iowait_boost = IOWAIT_BOOST_MIN;  in sugov_iowait_boost()
262 static void sugov_iowait_apply(struct sugov_cpu *sg_cpu, u64 time)  in sugov_iowait_apply()  argument
267 	if (!sg_cpu->iowait_boost)  in sugov_iowait_apply()
271 	if (sugov_iowait_reset(sg_cpu, time, false))  in sugov_iowait_apply()
274 	if (!sg_cpu->iowait_boost_pending) {  in sugov_iowait_apply()
278 		sg_cpu->iowait_boost >>= 1;  in sugov_iowait_apply()
279 		if (sg_cpu->iowait_boost < IOWAIT_BOOST_MIN) {  in sugov_iowait_apply()
280 			sg_cpu->iowait_boost = 0;  in sugov_iowait_apply()
285 	sg_cpu->iowait_boost_pending = false;  in sugov_iowait_apply()
291 	boost = (sg_cpu->iowait_boost * sg_cpu->max) >> SCHED_CAPACITY_SHIFT;  in sugov_iowait_apply()
292 	if (sg_cpu->util < boost)  in sugov_iowait_apply()
293 		sg_cpu->util = boost;  in sugov_iowait_apply()
297 static bool sugov_cpu_is_busy(struct sugov_cpu *sg_cpu)  in sugov_cpu_is_busy()  argument
299 	unsigned long idle_calls = tick_nohz_get_idle_calls_cpu(sg_cpu->cpu);  in sugov_cpu_is_busy()
300 	bool ret = idle_calls == sg_cpu->saved_idle_calls;  in sugov_cpu_is_busy()
302 	sg_cpu->saved_idle_calls = idle_calls;  in sugov_cpu_is_busy()
306 static inline bool sugov_cpu_is_busy(struct sugov_cpu *sg_cpu) { return false; }  in sugov_cpu_is_busy()  argument
313 static inline void ignore_dl_rate_limit(struct sugov_cpu *sg_cpu)  in ignore_dl_rate_limit()  argument
315 	if (cpu_bw_dl(cpu_rq(sg_cpu->cpu)) > sg_cpu->bw_dl)  in ignore_dl_rate_limit()
316 		sg_cpu->sg_policy->limits_changed = true;  in ignore_dl_rate_limit()
319 static inline bool sugov_update_single_common(struct sugov_cpu *sg_cpu,  in sugov_update_single_common()  argument
322 	sugov_iowait_boost(sg_cpu, time, flags);  in sugov_update_single_common()
323 	sg_cpu->last_update = time;  in sugov_update_single_common()
325 	ignore_dl_rate_limit(sg_cpu);  in sugov_update_single_common()
327 	if (!sugov_should_update_freq(sg_cpu->sg_policy, time))  in sugov_update_single_common()
330 	sugov_get_util(sg_cpu);  in sugov_update_single_common()
331 	sugov_iowait_apply(sg_cpu, time);  in sugov_update_single_common()
339 	struct sugov_cpu *sg_cpu = container_of(hook, struct sugov_cpu, update_util);  in sugov_update_single_freq()  local
340 	struct sugov_policy *sg_policy = sg_cpu->sg_policy;  in sugov_update_single_freq()
344 	if (!sugov_update_single_common(sg_cpu, time, flags))  in sugov_update_single_freq()
347 	next_f = get_next_freq(sg_policy, sg_cpu->util, sg_cpu->max);  in sugov_update_single_freq()
352 	if (sugov_cpu_is_busy(sg_cpu) && next_f < sg_policy->next_freq) {  in sugov_update_single_freq()
379 	struct sugov_cpu *sg_cpu = container_of(hook, struct sugov_cpu, update_util);  in sugov_update_single_perf()  local
380 	unsigned long prev_util = sg_cpu->util;  in sugov_update_single_perf()
392 	if (!sugov_update_single_common(sg_cpu, time, flags))  in sugov_update_single_perf()
399 	if (sugov_cpu_is_busy(sg_cpu) && sg_cpu->util < prev_util)  in sugov_update_single_perf()
400 		sg_cpu->util = prev_util;  in sugov_update_single_perf()
402 	cpufreq_driver_adjust_perf(sg_cpu->cpu, map_util_perf(sg_cpu->bw_dl),  in sugov_update_single_perf()
403 				   map_util_perf(sg_cpu->util), sg_cpu->max);  in sugov_update_single_perf()
405 	sg_cpu->sg_policy->last_freq_update_time = time;  in sugov_update_single_perf()
408 static unsigned int sugov_next_freq_shared(struct sugov_cpu *sg_cpu, u64 time)  in sugov_next_freq_shared()  argument
410 	struct sugov_policy *sg_policy = sg_cpu->sg_policy;  in sugov_next_freq_shared()
436 	struct sugov_cpu *sg_cpu = container_of(hook, struct sugov_cpu, update_util);  in sugov_update_shared()  local
437 	struct sugov_policy *sg_policy = sg_cpu->sg_policy;  in sugov_update_shared()
442 	sugov_iowait_boost(sg_cpu, time, flags);  in sugov_update_shared()
443 	sg_cpu->last_update = time;  in sugov_update_shared()
445 	ignore_dl_rate_limit(sg_cpu);  in sugov_update_shared()
448 		next_f = sugov_next_freq_shared(sg_cpu, time);  in sugov_update_shared()
768 		struct sugov_cpu *sg_cpu = &per_cpu(sugov_cpu, cpu);  in sugov_start()  local
770 		memset(sg_cpu, 0, sizeof(*sg_cpu));  in sugov_start()
771 		sg_cpu->cpu			= cpu;  in sugov_start()
772 		sg_cpu->sg_policy		= sg_policy;  in sugov_start()
783 		struct sugov_cpu *sg_cpu = &per_cpu(sugov_cpu, cpu);  in sugov_start()  local
785 		cpufreq_add_update_util_hook(cpu, &sg_cpu->update_util, uu);  in sugov_start()