880d405719
git-subtree-dir: qcom/opensource/graphics-kernel git-subtree-mainline:992813d9c1git-subtree-split:b4fdc4c042Change-Id: repo: https://git.codelinaro.org/clo/la/platform/vendor/qcom/opensource/graphics-kernel tag: GRAPHICS.LA.14.0.r1-07700-lanai.0
117 lines
4.0 KiB
C
117 lines
4.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2010-2021, The Linux Foundation. All rights reserved.
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* Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
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*/
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#ifndef __KGSL_PWRSCALE_H
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#define __KGSL_PWRSCALE_H
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#include "governor.h"
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#include "kgsl_pwrctrl.h"
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#include "msm_adreno_devfreq.h"
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/* devfreq governor call window in usec */
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#define KGSL_GOVERNOR_CALL_INTERVAL 10000
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struct kgsl_power_stats {
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u64 busy_time;
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u64 ram_time;
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u64 ram_wait;
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};
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/**
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* struct kgsl_pwrscale - Power scaling settings for a KGSL device
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* @devfreqptr - Pointer to the devfreq device
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* @gpu_profile - GPU profile data for the devfreq device
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* @bus_profile - Bus specific data for the bus devfreq device
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* @freq_table - GPU frequencies for the DCVS algorithm
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* @last_governor - Prior devfreq governor
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* @accum_stats - Accumulated statistics for various frequency calculations
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* @enabled - Whether or not power scaling is enabled
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* @time - Last submitted sample timestamp
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* @on_time - Timestamp when gpu busy begins
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* @devfreq_wq - Main devfreq workqueue
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* @devfreq_suspend_ws - Pass device suspension to devfreq
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* @devfreq_resume_ws - Pass device resume to devfreq
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* @devfreq_notify_ws - Notify devfreq to update sampling
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* @next_governor_call - Timestamp after which the governor may be notified of
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* a new sample
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* @cooling_dev - Thermal cooling device handle
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* @ctxt_aware_enable - Whether or not ctxt aware DCVS feature is enabled
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* @ctxt_aware_busy_penalty - The time in microseconds required to trigger
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* ctxt aware power level jump
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* @ctxt_aware_target_pwrlevel - pwrlevel to jump on in case of ctxt aware
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* power level jump
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*/
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struct kgsl_pwrscale {
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struct devfreq *devfreqptr;
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struct msm_adreno_extended_profile gpu_profile;
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struct msm_busmon_extended_profile bus_profile;
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unsigned long freq_table[KGSL_MAX_PWRLEVELS];
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char last_governor[DEVFREQ_NAME_LEN];
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struct kgsl_power_stats accum_stats;
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bool enabled;
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ktime_t time;
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s64 on_time;
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struct workqueue_struct *devfreq_wq;
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struct work_struct devfreq_suspend_ws;
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struct work_struct devfreq_resume_ws;
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struct work_struct devfreq_notify_ws;
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ktime_t next_governor_call;
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struct thermal_cooling_device *cooling_dev;
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bool ctxt_aware_enable;
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unsigned int ctxt_aware_target_pwrlevel;
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unsigned int ctxt_aware_busy_penalty;
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/** @busmondev: A child device for the busmon governor */
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struct device busmondev;
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/** @bus_devfreq: Pointer to the bus devfreq device */
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struct devfreq *bus_devfreq;
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/** @devfreq_enabled: Whether or not devfreq is enabled */
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bool devfreq_enabled;
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};
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/**
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* kgsl_pwrscale_init - Initialize the pwrscale subsystem
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* @device: A GPU device handle
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* @pdev: A pointer to the GPU platform device
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* @governor: default devfreq governor to use for GPU frequency scaling
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*
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* Return: 0 on success or negative on failure
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*/
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int kgsl_pwrscale_init(struct kgsl_device *device, struct platform_device *pdev,
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const char *governor);
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void kgsl_pwrscale_close(struct kgsl_device *device);
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void kgsl_pwrscale_update(struct kgsl_device *device);
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void kgsl_pwrscale_update_stats(struct kgsl_device *device);
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void kgsl_pwrscale_busy(struct kgsl_device *device);
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void kgsl_pwrscale_sleep(struct kgsl_device *device);
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void kgsl_pwrscale_wake(struct kgsl_device *device);
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void kgsl_pwrscale_enable(struct kgsl_device *device);
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void kgsl_pwrscale_disable(struct kgsl_device *device, bool turbo);
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int kgsl_devfreq_target(struct device *dev, unsigned long *freq, u32 flags);
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int kgsl_devfreq_get_dev_status(struct device *dev,
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struct devfreq_dev_status *stat);
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int kgsl_devfreq_get_cur_freq(struct device *dev, unsigned long *freq);
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int kgsl_busmon_target(struct device *dev, unsigned long *freq, u32 flags);
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int kgsl_busmon_get_dev_status(struct device *dev,
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struct devfreq_dev_status *stat);
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int kgsl_busmon_get_cur_freq(struct device *dev, unsigned long *freq);
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int msm_adreno_tz_init(void);
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int msm_adreno_tz_reinit(struct devfreq *devfreq);
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void msm_adreno_tz_exit(void);
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int devfreq_gpubw_init(void);
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void devfreq_gpubw_exit(void);
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void kgsl_pwrscale_fast_bus_hint(bool on);
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#endif
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