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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /drivers/gpu/drm/panfrost/panfrost_devfreq.h
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/panfrost/panfrost_devfreq.h')
-rw-r--r--drivers/gpu/drm/panfrost/panfrost_devfreq.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/gpu/drm/panfrost/panfrost_devfreq.h b/drivers/gpu/drm/panfrost/panfrost_devfreq.h
new file mode 100644
index 000000000..db6ea48e2
--- /dev/null
+++ b/drivers/gpu/drm/panfrost/panfrost_devfreq.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright 2019 Collabora ltd. */
+
+#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_devfreq *devfreq);
+void panfrost_devfreq_record_idle(struct panfrost_devfreq *devfreq);
+
+#endif /* __PANFROST_DEVFREQ_H__ */