1 files changed, 9 insertions, 9 deletions
diff --git a/libhwc2.1/libmaindisplay/ExynosPrimaryDisplay.cpp b/libhwc2.1/libmaindisplay/ExynosPrimaryDisplay.cpp
index b82de6b..607463a 100644
--- a/libhwc2.1/libmaindisplay/ExynosPrimaryDisplay.cpp
+++ b/libhwc2.1/libmaindisplay/ExynosPrimaryDisplay.cpp
@@ -538,16 +538,16 @@ int32_t ExynosPrimaryDisplay::setLhbmState(bool enabled) {
         }
     }
 
-    float peak_rr = getPeakRefreshRate();
-    if (enabled && peak_rr > 0) {
+    if (enabled) {
         ATRACE_NAME("wait for peak refresh rate");
-        bool succ = mBrightnessController->checkSysfsStatus(
-                                                BrightnessController::kRefreshrateFileNode,
-                                                {std::to_string(std::lround(peak_rr))},
-                                                ms2ns(kLhbmWaitForPeakRefreshRateMs));
-        if (!succ) {
-            ALOGE("%s: check refresh rate sysfs node failed", __func__);
-            return -EINVAL;
+        std::unique_lock<std::mutex> lock(mPeakRefreshRateMutex);
+        mNotifyPeakRefreshRate = true;
+        if (!mPeakRefreshRateCondition.wait_for(lock,
+                                                std::chrono::milliseconds(
+                                                        kLhbmWaitForPeakRefreshRateMs),
+                                                [this]() { return isCurrentPeakRefreshRate(); })) {
+            ALOGW("setLhbmState(on) wait for peak refresh rate timeout !");
+            return TIMED_OUT;
         }
     }