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path: root/drivers/gpu/drm/panfrost/panfrost_devfreq.h
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Diffstat (limited to 'drivers/gpu/drm/panfrost/panfrost_devfreq.h')
-rw-r--r--drivers/gpu/drm/panfrost/panfrost_devfreq.h30
1 files changed, 28 insertions, 2 deletions
diff --git a/drivers/gpu/drm/panfrost/panfrost_devfreq.h b/drivers/gpu/drm/panfrost/panfrost_devfreq.h
index 0611beffc8d0..db6ea48e21f9 100644
--- a/drivers/gpu/drm/panfrost/panfrost_devfreq.h
+++ b/drivers/gpu/drm/panfrost/panfrost_devfreq.h
@@ -4,13 +4,39 @@
#ifndef __PANFROST_DEVFREQ_H__
#define __PANFROST_DEVFREQ_H__
+#include <linux/spinlock.h>
+#include <linux/ktime.h>
+
+struct devfreq;
+struct opp_table;
+struct thermal_cooling_device;
+
+struct panfrost_device;
+
+struct panfrost_devfreq {
+ struct devfreq *devfreq;
+ struct opp_table *regulators_opp_table;
+ struct thermal_cooling_device *cooling;
+ bool opp_of_table_added;
+
+ ktime_t busy_time;
+ ktime_t idle_time;
+ ktime_t time_last_update;
+ int busy_count;
+ /*
+ * Protect busy_time, idle_time, time_last_update and busy_count
+ * because these can be updated concurrently between multiple jobs.
+ */
+ spinlock_t lock;
+};
+
int panfrost_devfreq_init(struct panfrost_device *pfdev);
void panfrost_devfreq_fini(struct panfrost_device *pfdev);
void panfrost_devfreq_resume(struct panfrost_device *pfdev);
void panfrost_devfreq_suspend(struct panfrost_device *pfdev);
-void panfrost_devfreq_record_busy(struct panfrost_device *pfdev);
-void panfrost_devfreq_record_idle(struct panfrost_device *pfdev);
+void panfrost_devfreq_record_busy(struct panfrost_devfreq *devfreq);
+void panfrost_devfreq_record_idle(struct panfrost_devfreq *devfreq);
#endif /* __PANFROST_DEVFREQ_H__ */