Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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..1514c1f9d
--- /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/devfreq.h>
+#include <linux/spinlock.h>
+#include <linux/ktime.h>
+
+struct devfreq;
+struct thermal_cooling_device;
+
+struct panfrost_device;
+
+struct panfrost_devfreq {
+	struct devfreq *devfreq;
+	struct thermal_cooling_device *cooling;
+	struct devfreq_simple_ondemand_data gov_data;
+	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__ */