diff --git a/libs/renderengine/gl/ProgramCache.cpp b/libs/renderengine/gl/ProgramCache.cpp
index cd1182c..086a324 100644
--- a/libs/renderengine/gl/ProgramCache.cpp
+++ b/libs/renderengine/gl/ProgramCache.cpp
@@ -575,7 +575,9 @@
             float applyCornerRadius(vec2 cropCoords)
             {
                 vec2 position = cropCoords - cropCenter;
-                vec2 dist = abs(position) + vec2(cornerRadius) - cropCenter;
+                // Increase precision here so that a large corner radius doesn't
+                // cause floating point error
+                highp vec2 dist = abs(position) + vec2(cornerRadius) - cropCenter;
                 float plane = length(max(dist, vec2(0.0)));
                 return 1.0 - clamp(plane - cornerRadius, 0.0, 1.0);
             }
diff --git a/services/surfaceflinger/BufferStateLayer.cpp b/services/surfaceflinger/BufferStateLayer.cpp
index dabc683..6ef4518 100644
--- a/services/surfaceflinger/BufferStateLayer.cpp
+++ b/services/surfaceflinger/BufferStateLayer.cpp
@@ -425,7 +425,7 @@
 }
 
 Region BufferStateLayer::getDrawingSurfaceDamage() const {
-    return Region::INVALID_REGION;
+    return getDrawingState().surfaceDamageRegion;
 }
 
 const HdrMetadata& BufferStateLayer::getDrawingHdrMetadata() const {
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 724058f..bd286c3 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -980,7 +980,7 @@
         if (mPreviousPresentFence != Fence::NO_FENCE &&
             (mPreviousPresentFence->getStatus() == Fence::Status::Unsignaled)) {
             // fence has not signaled yet. wait for the next invalidate
-            repaintEverythingForHWC();
+            mEventQueue->invalidateForHWC();
             return true;
         }
 
@@ -1031,7 +1031,7 @@
 
     // we need to submit an empty frame to HWC to start the process
     mCheckPendingFence = true;
-
+    mEventQueue->invalidateForHWC();
     return false;
 }
 
@@ -1447,10 +1447,6 @@
         return;
     }
 
-    if (desiredConfigId == display->getActiveConfig()) {
-        return;
-    }
-
     setDesiredActiveConfig({refreshRate, desiredConfigId, event});
 }