From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/gpu/drm/lima/lima_devfreq.h | 42 +++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 drivers/gpu/drm/lima/lima_devfreq.h (limited to 'drivers/gpu/drm/lima/lima_devfreq.h') diff --git a/drivers/gpu/drm/lima/lima_devfreq.h b/drivers/gpu/drm/lima/lima_devfreq.h new file mode 100644 index 000000000..b8e50feae --- /dev/null +++ b/drivers/gpu/drm/lima/lima_devfreq.h @@ -0,0 +1,42 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright 2020 Martin Blumenstingl */ + +#ifndef __LIMA_DEVFREQ_H__ +#define __LIMA_DEVFREQ_H__ + +#include +#include +#include + +struct devfreq; +struct thermal_cooling_device; + +struct lima_device; + +struct lima_devfreq { + struct devfreq *devfreq; + struct thermal_cooling_device *cooling; + struct devfreq_simple_ondemand_data gov_data; + + 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, for example by the GP + * and PP interrupts. + */ + spinlock_t lock; +}; + +int lima_devfreq_init(struct lima_device *ldev); +void lima_devfreq_fini(struct lima_device *ldev); + +void lima_devfreq_record_busy(struct lima_devfreq *devfreq); +void lima_devfreq_record_idle(struct lima_devfreq *devfreq); + +int lima_devfreq_resume(struct lima_devfreq *devfreq); +int lima_devfreq_suspend(struct lima_devfreq *devfreq); + +#endif -- cgit v1.2.3