Merge changes I14bb4722,I01f139b3 into rvc-dev am: 07b29771b8 am: 4a4a7bfda9 am: 28d7163064

Change-Id: I077d64410b2b86028b7edc086a53298f264ab2e3
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 5039761..f9dff12 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -1384,6 +1384,9 @@
         return false;
     }
 
+    // Activate the layer in Scheduler's LayerHistory
+    mFlinger->mScheduler->recordLayerHistory(this, systemTime());
+
     mCurrentState.sequence++;
     mCurrentState.frameRate = frameRate;
     mCurrentState.modified = true;
diff --git a/services/surfaceflinger/Scheduler/LayerHistoryV2.cpp b/services/surfaceflinger/Scheduler/LayerHistoryV2.cpp
index 8b08592..b067466 100644
--- a/services/surfaceflinger/Scheduler/LayerHistoryV2.cpp
+++ b/services/surfaceflinger/Scheduler/LayerHistoryV2.cpp
@@ -40,9 +40,11 @@
 namespace {
 
 bool isLayerActive(const Layer& layer, const LayerInfoV2& info, nsecs_t threshold) {
+    // Layers with an explicit vote are always kept active
     if (layer.getFrameRateForLayerTree().rate > 0) {
-        return layer.isVisible();
+        return true;
     }
+
     return layer.isVisible() && info.getLastUpdatedTime() >= threshold;
 }
 
@@ -127,29 +129,24 @@
         //  an additional parameter.
         ALOGV("Layer has priority: %d", strong->getFrameRateSelectionPriority());
 
-        const bool recent = info->isRecentlyActive(now);
-        if (recent) {
-            const auto [type, refreshRate] = info->getRefreshRate(now);
-            // Skip NoVote layer as those don't have any requirements
-            if (type == LayerHistory::LayerVoteType::NoVote) {
-                continue;
-            }
+        const auto [type, refreshRate] = info->getRefreshRate(now);
+        // Skip NoVote layer as those don't have any requirements
+        if (type == LayerHistory::LayerVoteType::NoVote) {
+            continue;
+        }
 
-            // Compute the layer's position on the screen
-            const Rect bounds = Rect(strong->getBounds());
-            const ui::Transform transform = strong->getTransform();
-            constexpr bool roundOutwards = true;
-            Rect transformed = transform.transform(bounds, roundOutwards);
+        // Compute the layer's position on the screen
+        const Rect bounds = Rect(strong->getBounds());
+        const ui::Transform transform = strong->getTransform();
+        constexpr bool roundOutwards = true;
+        Rect transformed = transform.transform(bounds, roundOutwards);
 
-            const float layerArea = transformed.getWidth() * transformed.getHeight();
-            float weight = mDisplayArea ? layerArea / mDisplayArea : 0.0f;
-            summary.push_back({strong->getName(), type, refreshRate, weight});
+        const float layerArea = transformed.getWidth() * transformed.getHeight();
+        float weight = mDisplayArea ? layerArea / mDisplayArea : 0.0f;
+        summary.push_back({strong->getName(), type, refreshRate, weight});
 
-            if (CC_UNLIKELY(mTraceEnabled)) {
-                trace(layer, type, static_cast<int>(std::round(refreshRate)));
-            }
-        } else if (CC_UNLIKELY(mTraceEnabled)) {
-            trace(layer, LayerHistory::LayerVoteType::NoVote, 0);
+        if (CC_UNLIKELY(mTraceEnabled)) {
+            trace(layer, type, static_cast<int>(std::round(refreshRate)));
         }
     }
 
@@ -177,7 +174,7 @@
                         return LayerVoteType::NoVote;
                 }
             }();
-            if (frameRate.rate > 0 || voteType == LayerVoteType::NoVote) {
+            if (layer->isVisible() && (frameRate.rate > 0 || voteType == LayerVoteType::NoVote)) {
                 info->setLayerVote(voteType, frameRate.rate);
             } else {
                 info->resetLayerVote();
diff --git a/services/surfaceflinger/Scheduler/LayerInfoV2.cpp b/services/surfaceflinger/Scheduler/LayerInfoV2.cpp
index b4365bf..bf1fb88 100644
--- a/services/surfaceflinger/Scheduler/LayerInfoV2.cpp
+++ b/services/surfaceflinger/Scheduler/LayerInfoV2.cpp
@@ -45,15 +45,6 @@
     }
 }
 
-// Returns whether the earliest present time is within the active threshold.
-bool LayerInfoV2::isRecentlyActive(nsecs_t now) const {
-    if (mFrameTimes.empty()) {
-        return false;
-    }
-
-    return mFrameTimes.back().queueTime >= getActiveLayerThreshold(now);
-}
-
 bool LayerInfoV2::isFrameTimeValid(const FrameTimeData& frameTime) const {
     return frameTime.queueTime >= std::chrono::duration_cast<std::chrono::nanoseconds>(
                                           mFrameTimeValidSince.time_since_epoch())
diff --git a/services/surfaceflinger/Scheduler/LayerInfoV2.h b/services/surfaceflinger/Scheduler/LayerInfoV2.h
index 25fb95a..ad91f18 100644
--- a/services/surfaceflinger/Scheduler/LayerInfoV2.h
+++ b/services/surfaceflinger/Scheduler/LayerInfoV2.h
@@ -64,8 +64,6 @@
     // updated time, the updated time is the present time.
     void setLastPresentTime(nsecs_t lastPresentTime, nsecs_t now);
 
-    bool isRecentlyActive(nsecs_t now) const;
-
     // Sets an explicit layer vote. This usually comes directly from the application via
     // ANativeWindow_setFrameRate API
     void setLayerVote(LayerHistory::LayerVoteType type, float fps) { mLayerVote = {type, fps}; }
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index e1664a0..a86e8f0 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -4400,11 +4400,19 @@
 
     scheduler::RefreshRateConfigs::Policy policy = mRefreshRateConfigs->getDisplayManagerPolicy();
     StringAppendF(&result,
-                  "DesiredDisplayConfigSpecs: default config ID: %d"
+                  "DesiredDisplayConfigSpecs (DisplayManager): default config ID: %d"
                   ", min: %.2f Hz, max: %.2f Hz",
                   policy.defaultConfig.value(), policy.minRefreshRate, policy.maxRefreshRate);
     StringAppendF(&result, "(config override by backdoor: %s)\n\n",
                   mDebugDisplayConfigSetByBackdoor ? "yes" : "no");
+    scheduler::RefreshRateConfigs::Policy currentPolicy = mRefreshRateConfigs->getCurrentPolicy();
+    if (currentPolicy != policy) {
+        StringAppendF(&result,
+                      "DesiredDisplayConfigSpecs (Override): default config ID: %d"
+                      ", min: %.2f Hz, max: %.2f Hz\n\n",
+                      currentPolicy.defaultConfig.value(), currentPolicy.minRefreshRate,
+                      currentPolicy.maxRefreshRate);
+    }
 
     mScheduler->dump(mAppConnectionHandle, result);
     mScheduler->getPrimaryDispSync().dump(result);
@@ -4929,9 +4937,9 @@
         code == IBinder::SYSPROPS_TRANSACTION) {
         return OK;
     }
-    // Numbers from 1000 to 1034 are currently used for backdoors. The code
+    // Numbers from 1000 to 1036 are currently used for backdoors. The code
     // in onTransact verifies that the user is root, and has access to use SF.
-    if (code >= 1000 && code <= 1035) {
+    if (code >= 1000 && code <= 1036) {
         ALOGV("Accessing SurfaceFlinger through backdoor code: %u", code);
         return OK;
     }
@@ -5260,6 +5268,18 @@
                 }
                 return NO_ERROR;
             }
+            case 1036: {
+                if (data.readInt32() > 0) {
+                    status_t result =
+                            acquireFrameRateFlexibilityToken(&mDebugFrameRateFlexibilityToken);
+                    if (result != NO_ERROR) {
+                        return result;
+                    }
+                } else {
+                    mDebugFrameRateFlexibilityToken = nullptr;
+                }
+                return NO_ERROR;
+            }
         }
     }
     return err;
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 81d7429..dd7d887 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -1261,6 +1261,8 @@
     bool inputDirty() { return mInputDirty; }
 
     int mFrameRateFlexibilityTokenCount = 0;
+
+    sp<IBinder> mDebugFrameRateFlexibilityToken;
 };
 
 } // namespace android
diff --git a/services/surfaceflinger/tests/unittests/LayerHistoryTestV2.cpp b/services/surfaceflinger/tests/unittests/LayerHistoryTestV2.cpp
index 71e37a8..6fca673 100644
--- a/services/surfaceflinger/tests/unittests/LayerHistoryTestV2.cpp
+++ b/services/surfaceflinger/tests/unittests/LayerHistoryTestV2.cpp
@@ -270,12 +270,12 @@
     EXPECT_EQ(1, activeLayerCount());
     EXPECT_EQ(1, frequentLayerCount(time));
 
-    // layer became inactive
+    // layer became inactive, but the vote stays
     setLayerInfoVote(layer.get(), LayerHistory::LayerVoteType::Heuristic);
     time += MAX_ACTIVE_LAYER_PERIOD_NS.count();
-    ASSERT_TRUE(history().summarize(time).empty());
-    // TODO: activeLayerCount() should be 0 but it is 1 since getFrameRateForLayerTree() returns a
-    // value > 0
+    ASSERT_EQ(1, history().summarize(time).size());
+    EXPECT_EQ(LayerHistory::LayerVoteType::ExplicitDefault, history().summarize(time)[0].vote);
+    EXPECT_FLOAT_EQ(73.4f, history().summarize(time)[0].desiredRefreshRate);
     EXPECT_EQ(1, activeLayerCount());
     EXPECT_EQ(0, frequentLayerCount(time));
 }
@@ -303,12 +303,13 @@
     EXPECT_EQ(1, activeLayerCount());
     EXPECT_EQ(1, frequentLayerCount(time));
 
-    // layer became inactive
+    // layer became inactive, but the vote stays
     setLayerInfoVote(layer.get(), LayerHistory::LayerVoteType::Heuristic);
     time += MAX_ACTIVE_LAYER_PERIOD_NS.count();
-    ASSERT_TRUE(history().summarize(time).empty());
-    // TODO: activeLayerCount() should be 0 but it is 1 since getFrameRateForLayerTree() returns a
-    // value > 0
+    ASSERT_EQ(1, history().summarize(time).size());
+    EXPECT_EQ(LayerHistory::LayerVoteType::ExplicitExactOrMultiple,
+              history().summarize(time)[0].vote);
+    EXPECT_FLOAT_EQ(73.4f, history().summarize(time)[0].desiredRefreshRate);
     EXPECT_EQ(1, activeLayerCount());
     EXPECT_EQ(0, frequentLayerCount(time));
 }