Lines Matching defs:pfdevfreq
13 static void panfrost_devfreq_update_utilization(struct panfrost_devfreq *pfdevfreq)
18 last = pfdevfreq->time_last_update;
20 if (pfdevfreq->busy_count > 0)
21 pfdevfreq->busy_time += ktime_sub(now, last);
23 pfdevfreq->idle_time += ktime_sub(now, last);
25 pfdevfreq->time_last_update = now;
46 static void panfrost_devfreq_reset(struct panfrost_devfreq *pfdevfreq)
48 pfdevfreq->busy_time = 0;
49 pfdevfreq->idle_time = 0;
50 pfdevfreq->time_last_update = ktime_get();
57 struct panfrost_devfreq *pfdevfreq = &pfdev->pfdevfreq;
62 spin_lock_irqsave(&pfdevfreq->lock, irqflags);
64 panfrost_devfreq_update_utilization(pfdevfreq);
66 status->total_time = ktime_to_ns(ktime_add(pfdevfreq->busy_time,
67 pfdevfreq->idle_time));
69 status->busy_time = ktime_to_ns(pfdevfreq->busy_time);
71 panfrost_devfreq_reset(pfdevfreq);
73 spin_unlock_irqrestore(&pfdevfreq->lock, irqflags);
98 struct panfrost_devfreq *pfdevfreq = &pfdev->pfdevfreq;
110 pfdevfreq->regulators_opp_table = opp_table;
120 pfdevfreq->opp_of_table_added = true;
122 spin_lock_init(&pfdevfreq->lock);
124 panfrost_devfreq_reset(pfdevfreq);
144 pfdevfreq->devfreq = devfreq;
150 pfdevfreq->cooling = cooling;
161 struct panfrost_devfreq *pfdevfreq = &pfdev->pfdevfreq;
163 if (pfdevfreq->cooling) {
164 devfreq_cooling_unregister(pfdevfreq->cooling);
165 pfdevfreq->cooling = NULL;
168 if (pfdevfreq->opp_of_table_added) {
170 pfdevfreq->opp_of_table_added = false;
173 if (pfdevfreq->regulators_opp_table) {
174 dev_pm_opp_put_regulators(pfdevfreq->regulators_opp_table);
175 pfdevfreq->regulators_opp_table = NULL;
181 struct panfrost_devfreq *pfdevfreq = &pfdev->pfdevfreq;
183 if (!pfdevfreq->devfreq)
186 panfrost_devfreq_reset(pfdevfreq);
188 devfreq_resume_device(pfdevfreq->devfreq);
193 struct panfrost_devfreq *pfdevfreq = &pfdev->pfdevfreq;
195 if (!pfdevfreq->devfreq)
198 devfreq_suspend_device(pfdevfreq->devfreq);
201 void panfrost_devfreq_record_busy(struct panfrost_devfreq *pfdevfreq)
205 if (!pfdevfreq->devfreq)
208 spin_lock_irqsave(&pfdevfreq->lock, irqflags);
210 panfrost_devfreq_update_utilization(pfdevfreq);
212 pfdevfreq->busy_count++;
214 spin_unlock_irqrestore(&pfdevfreq->lock, irqflags);
217 void panfrost_devfreq_record_idle(struct panfrost_devfreq *pfdevfreq)
221 if (!pfdevfreq->devfreq)
224 spin_lock_irqsave(&pfdevfreq->lock, irqflags);
226 panfrost_devfreq_update_utilization(pfdevfreq);
228 WARN_ON(--pfdevfreq->busy_count < 0);
230 spin_unlock_irqrestore(&pfdevfreq->lock, irqflags);