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kunlun2: power-libperfmgr: simply wait if idle state node is not present

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Change-Id: I93dd97e5437761d2d969f93a5af0cae864fd0a65
Signed-off-by: Jesse Chan <jc@lineageos.org>
Signed-off-by: SamarV-121 <samarvispute121@gmail.com>
This commit is contained in:
Jesse Chan 2020-06-13 11:52:12 +08:00 committed by GiaSen
parent 30666f3913
commit 89e43efead
1 changed files with 19 additions and 6 deletions
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21
power-libperfmgr/disp-power/InteractionHandler.cpp
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@ -65,15 +65,14 @@ bool InteractionHandler::Init() {
if (mState != INTERACTION_STATE_UNINITIALIZED)
return true;
int fd = fb_idle_open();
if (fd < 0)
return false;
mIdleFd = fd;
mIdleFd = fb_idle_open();
mEventFd = eventfd(0, EFD_NONBLOCK);
if (mEventFd < 0) {
ALOGE("Unable to create event fd (%d)", errno);
if (mIdleFd >= 0) {
close(mIdleFd);
}
return false;
}
@ -96,7 +95,9 @@ void InteractionHandler::Exit() {
mThread->join();
close(mEventFd);
if (mIdleFd >= 0) {
close(mIdleFd);
}
}
void InteractionHandler::PerfLock() {
@ -212,6 +213,18 @@ void InteractionHandler::WaitForIdle(int32_t wait_ms, int32_t timeout_ms) {
return;
}
if (mIdleFd < 0) {
ret = poll(pfd, 1, timeout_ms);
if (ret > 0) {
ALOGV("%s: wait for duration aborted", __func__);
return;
} else if (ret < 0) {
ALOGE("%s: Error on waiting for duration (%zd)", __func__, ret);
return;
}
return;
}
ret = pread(mIdleFd, data, sizeof(data), 0);
if (!ret) {
ALOGE("%s: Unexpected EOF!", __func__);