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power-8916.c
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power-8916.c
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/*
* Copyright (c) 2015, The Linux Foundation. All rights reserved.
* Copyright (C) 2018-2019 The LineageOS Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#define LOG_NIDEBUG 0
#include <dlfcn.h>
#include <errno.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <time.h>
#define LOG_TAG "QTI PowerHAL"
#include <hardware/hardware.h>
#include <hardware/power.h>
#include <log/log.h>
#include "hint-data.h"
#include "metadata-defs.h"
#include "performance.h"
#include "power-common.h"
#include "utils.h"
/**
* Returns true if the target is MSM8916.
*/
static bool is_target_8916(void) {
static int is_8916 = -1;
int soc_id;
if (is_8916 >= 0) return is_8916;
soc_id = get_soc_id();
is_8916 = soc_id == 206 || (soc_id >= 247 && soc_id <= 250);
return is_8916;
}
static int current_power_profile = PROFILE_BALANCED;
// clang-format off
static int profile_high_performance_8916[3] = {
0x1C00, 0x0901, CPU0_MIN_FREQ_TURBO_MAX,
};
static int profile_high_performance_8939[11] = {
SCHED_BOOST_ON, 0x1C00, 0x0901,
CPU0_MIN_FREQ_TURBO_MAX, CPU1_MIN_FREQ_TURBO_MAX,
CPU2_MIN_FREQ_TURBO_MAX, CPU3_MIN_FREQ_TURBO_MAX,
CPU4_MIN_FREQ_TURBO_MAX, CPU5_MIN_FREQ_TURBO_MAX,
CPU6_MIN_FREQ_TURBO_MAX, CPU7_MIN_FREQ_TURBO_MAX,
};
static int profile_power_save_8916[1] = {
CPU0_MAX_FREQ_NONTURBO_MAX,
};
static int profile_power_save_8939[5] = {
CPUS_ONLINE_MAX_LIMIT_2,
CPU0_MAX_FREQ_NONTURBO_MAX, CPU1_MAX_FREQ_NONTURBO_MAX,
CPU2_MAX_FREQ_NONTURBO_MAX, CPU3_MAX_FREQ_NONTURBO_MAX,
};
// clang-format on
#ifdef INTERACTION_BOOST
int get_number_of_profiles() {
return 3;
}
#endif
static int set_power_profile(void* data) {
int profile = data ? *((int*)data) : 0;
int ret = -EINVAL;
const char* profile_name = NULL;
if (profile == current_power_profile) return 0;
ALOGV("%s: Profile=%d", __func__, profile);
if (current_power_profile != PROFILE_BALANCED) {
undo_hint_action(DEFAULT_PROFILE_HINT_ID);
ALOGV("%s: Hint undone", __func__);
current_power_profile = PROFILE_BALANCED;
}
if (profile == PROFILE_POWER_SAVE) {
ret = perform_hint_action(
DEFAULT_PROFILE_HINT_ID,
is_target_8916() ? profile_power_save_8916 : profile_power_save_8939,
is_target_8916() ? ARRAY_SIZE(profile_power_save_8916)
: ARRAY_SIZE(profile_power_save_8939));
profile_name = "powersave";
} else if (profile == PROFILE_HIGH_PERFORMANCE) {
ret = perform_hint_action(
DEFAULT_PROFILE_HINT_ID,
is_target_8916() ? profile_high_performance_8916 : profile_high_performance_8939,
is_target_8916() ? ARRAY_SIZE(profile_high_performance_8916)
: ARRAY_SIZE(profile_high_performance_8939));
profile_name = "performance";
} else if (profile == PROFILE_BALANCED) {
ret = 0;
profile_name = "balanced";
}
if (ret == 0) {
current_power_profile = profile;
ALOGD("%s: Set %s mode", __func__, profile_name);
}
return ret;
}
// clang-format off
static int resources_interaction_fling_boost[] = {
ALL_CPUS_PWR_CLPS_DIS,
SCHED_BOOST_ON,
SCHED_PREFER_IDLE_DIS,
0x20D
};
static int resources_interaction_boost[] = {
ALL_CPUS_PWR_CLPS_DIS,
SCHED_PREFER_IDLE_DIS,
0x20D
};
static int resources_launch[] = {
ALL_CPUS_PWR_CLPS_DIS,
SCHED_BOOST_ON,
SCHED_PREFER_IDLE_DIS,
0x20F,
0x1C00,
0x4001,
0x4101,
0x4201
};
// clang-format on
const int kDefaultInteractiveDuration = 500; /* ms */
const int kMinFlingDuration = 1500; /* ms */
const int kMaxInteractiveDuration = 5000; /* ms */
const int kMaxLaunchDuration = 5000; /* ms */
static void process_interaction_hint(void* data) {
static struct timespec s_previous_boost_timespec;
static int s_previous_duration = 0;
struct timespec cur_boost_timespec;
long long elapsed_time;
int duration = kDefaultInteractiveDuration;
if (data) {
int input_duration = *((int*)data);
if (input_duration > duration) {
duration = (input_duration > kMaxInteractiveDuration) ? kMaxInteractiveDuration
: input_duration;
}
}
clock_gettime(CLOCK_MONOTONIC, &cur_boost_timespec);
elapsed_time = calc_timespan_us(s_previous_boost_timespec, cur_boost_timespec);
// don't hint if it's been less than 250ms since last boost
// also detect if we're doing anything resembling a fling
// support additional boosting in case of flings
if (elapsed_time < 250000 && duration <= 750) {
return;
}
s_previous_boost_timespec = cur_boost_timespec;
s_previous_duration = duration;
if (duration >= kMinFlingDuration) {
interaction(duration, ARRAY_SIZE(resources_interaction_fling_boost),
resources_interaction_fling_boost);
} else {
interaction(duration, ARRAY_SIZE(resources_interaction_boost), resources_interaction_boost);
}
}
static int process_activity_launch_hint(void* data) {
static int launch_handle = -1;
static int launch_mode = 0;
// release lock early if launch has finished
if (!data) {
if (CHECK_HANDLE(launch_handle)) {
release_request(launch_handle);
launch_handle = -1;
}
launch_mode = 0;
return HINT_HANDLED;
}
if (!launch_mode) {
launch_handle = interaction_with_handle(launch_handle, kMaxLaunchDuration,
ARRAY_SIZE(resources_launch), resources_launch);
if (!CHECK_HANDLE(launch_handle)) {
ALOGE("Failed to perform launch boost");
return HINT_NONE;
}
launch_mode = 1;
}
return HINT_HANDLED;
}
int power_hint_override(power_hint_t hint, void* data) {
int ret_val = HINT_NONE;
if (hint == POWER_HINT_SET_PROFILE) {
if (set_power_profile(data) < 0) ALOGE("Setting power profile failed. perfd not started?");
return HINT_HANDLED;
}
// Skip other hints in high/low power modes
if (current_power_profile == PROFILE_POWER_SAVE ||
current_power_profile == PROFILE_HIGH_PERFORMANCE) {
return HINT_HANDLED;
}
switch (hint) {
case POWER_HINT_VIDEO_ENCODE: /* Do nothing for encode case */
ret_val = HINT_HANDLED;
break;
case POWER_HINT_INTERACTION:
process_interaction_hint(data);
ret_val = HINT_HANDLED;
break;
case POWER_HINT_LAUNCH:
ret_val = process_activity_launch_hint(data);
break;
default:
break;
}
return ret_val;
}
int set_interactive_override(int on) {
char governor[80];
if (get_scaling_governor(governor, sizeof(governor)) == -1) {
ALOGE("Can't obtain scaling governor.");
return HINT_NONE;
}
if (!on) {
/* Display off */
if (is_target_8916()) {
if (is_interactive_governor(governor)) {
int resource_values[] = {TR_MS_50, THREAD_MIGRATION_SYNC_OFF};
perform_hint_action(DISPLAY_STATE_HINT_ID, resource_values,
ARRAY_SIZE(resource_values));
}
} else {
if (is_interactive_governor(governor)) {
int resource_values[] = {TR_MS_CPU0_50, TR_MS_CPU4_50, THREAD_MIGRATION_SYNC_OFF};
perform_hint_action(DISPLAY_STATE_HINT_ID, resource_values,
ARRAY_SIZE(resource_values));
}
}
} else {
/* Display on */
if (is_interactive_governor(governor)) {
undo_hint_action(DISPLAY_STATE_HINT_ID);
}
}
return HINT_HANDLED;
}