206 lines
7.6 KiB
C
206 lines
7.6 KiB
C
/*
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* Copyright (c) 2017, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#define LOG_NIDEBUG 0
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#include <dlfcn.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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#define LOG_TAG "QTI PowerHAL"
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#include <hardware/hardware.h>
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#include <hardware/power.h>
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#include <log/log.h>
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#include "hint-data.h"
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#include "metadata-defs.h"
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#include "performance.h"
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#include "power-common.h"
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#include "utils.h"
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static int video_encode_hint_sent;
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/**
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* Returns true if the target is SDM630/SDM455.
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*/
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static bool is_target_SDM630(void) {
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static int is_SDM630 = -1;
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int soc_id;
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if (is_SDM630 >= 0) return is_SDM630;
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soc_id = get_soc_id();
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is_SDM630 = soc_id == 318 || soc_id == 327 || soc_id == 385;
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return is_SDM630;
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}
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static int process_video_encode_hint(void* metadata) {
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char governor[80];
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struct video_encode_metadata_t video_encode_metadata;
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if (!metadata) return HINT_NONE;
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if (get_scaling_governor(governor, sizeof(governor)) == -1) {
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ALOGE("Can't obtain scaling governor.");
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return HINT_NONE;
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}
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/* Initialize encode metadata struct fields */
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memset(&video_encode_metadata, 0, sizeof(struct video_encode_metadata_t));
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video_encode_metadata.state = -1;
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video_encode_metadata.hint_id = DEFAULT_VIDEO_ENCODE_HINT_ID;
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if (parse_video_encode_metadata((char*)metadata, &video_encode_metadata) == -1) {
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ALOGE("Error occurred while parsing metadata.");
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return HINT_NONE;
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}
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if (video_encode_metadata.state == 1) {
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if (is_interactive_governor(governor)) {
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if (is_target_SDM630()) {
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/*
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1. CPUfreq params
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- hispeed freq for big - 1113Mhz
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- go hispeed load for big - 95
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- above_hispeed_delay for big - 40ms
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- target loads - 95
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- nr_run - 5
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2. BusDCVS V2 params
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- Sample_ms of 10ms
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*/
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int resource_values[] = {
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HISPEED_FREQ_BIG, 0x459, GO_HISPEED_LOAD_BIG, 0x5F,
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ABOVE_HISPEED_DELAY_BIG, 0x4, TARGET_LOADS_BIG, 0x5F,
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SCHED_SPILL_NR_RUN, 0X5, CPUBW_HWMON_SAMPLE_MS, 0xA};
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if (!video_encode_hint_sent) {
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perform_hint_action(video_encode_metadata.hint_id, resource_values,
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ARRAY_SIZE(resource_values));
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video_encode_hint_sent = 1;
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return HINT_HANDLED;
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}
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} else {
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/*
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1. CPUfreq params
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- hispeed freq for little - 902Mhz
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- go hispeed load for little - 95
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- above_hispeed_delay for little - 40ms
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2. BusDCVS V2 params
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- Sample_ms of 10ms
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*/
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int resource_values[] = {
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HISPEED_FREQ_LITTLE, 0x386, GO_HISPEED_LOAD_LITTLE, 0x5F,
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ABOVE_HISPEED_DELAY_LITTLE, 0x4, CPUBW_HWMON_SAMPLE_MS, 0xA};
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if (!video_encode_hint_sent) {
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perform_hint_action(video_encode_metadata.hint_id, resource_values,
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ARRAY_SIZE(resource_values));
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video_encode_hint_sent = 1;
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return HINT_HANDLED;
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}
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}
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}
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} else if (video_encode_metadata.state == 0) {
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if (is_interactive_governor(governor)) {
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undo_hint_action(video_encode_metadata.hint_id);
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video_encode_hint_sent = 0;
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return HINT_HANDLED;
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}
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}
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return HINT_NONE;
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}
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int power_hint_override(power_hint_t hint, void* data) {
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int ret_val = HINT_NONE;
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switch (hint) {
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case POWER_HINT_VIDEO_ENCODE:
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ret_val = process_video_encode_hint(data);
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break;
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default:
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break;
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}
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return ret_val;
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}
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int set_interactive_override(int on) {
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char governor[80];
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if (get_scaling_governor(governor, sizeof(governor)) == -1) {
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ALOGE("Can't obtain scaling governor.");
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return HINT_NONE;
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}
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if (!on) {
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/* Display off */
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if (is_interactive_governor(governor)) {
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if (is_target_SDM630()) {
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/*
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1. CPUfreq params
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- hispeed freq for big - 1113Mhz
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- go hispeed load for big - 95
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- above_hispeed_delay for big - 40ms
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2. BusDCVS V2 params
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- Sample_ms of 10ms
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*/
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int resource_values[] = {
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HISPEED_FREQ_BIG, 0x459, GO_HISPEED_LOAD_BIG, 0x5F,
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ABOVE_HISPEED_DELAY_BIG, 0x4, CPUBW_HWMON_SAMPLE_MS, 0xA};
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perform_hint_action(DISPLAY_STATE_HINT_ID, resource_values,
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ARRAY_SIZE(resource_values));
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} else {
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/*
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1. CPUfreq params
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- hispeed freq for little - 902Mhz
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- go hispeed load for little - 95
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- above_hispeed_delay for little - 40ms
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2. BusDCVS V2 params
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- Sample_ms of 10ms
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3. Sched group upmigrate - 500
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*/
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int resource_values[] = {
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HISPEED_FREQ_LITTLE, 0x386, GO_HISPEED_LOAD_LITTLE, 0x5F,
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ABOVE_HISPEED_DELAY_LITTLE, 0x4, CPUBW_HWMON_SAMPLE_MS, 0xA,
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SCHED_GROUP_UP_MIGRATE, 0x1F4};
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perform_hint_action(DISPLAY_STATE_HINT_ID, resource_values,
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ARRAY_SIZE(resource_values));
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}
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}
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} else {
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/* Display on */
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if (is_interactive_governor(governor)) {
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undo_hint_action(DISPLAY_STATE_HINT_ID);
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}
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}
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return HINT_HANDLED;
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}
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