commit 12e5b5b96536e5b9761fcbee3e46d0786e94cf28
author Linux Build Service Account <lnxbuild@localhost> Mon Jan 18 04:33:00 2016 -0800
committer Gerrit - the friendly Code Review server <code-review@localhost> Mon Jan 18 04:33:00 2016 -0800
tree cc41354a564411bf4edba9575cfcd7a88738a9aa
parent a625867eb61b7012ffbfcf3bba876cfd6ae7d887
parent 703dff8a63c9d57ee409cb3b203fb663215d5311

Merge "sdm: Drop draw cycles with zero application layers." into dev-2.0

sdm/libs/hwc/hwc_display.cpp

diff --git a/sdm/libs/hwc/hwc_display.cpp b/sdm/libs/hwc/hwc_display.cpp
index ba4c23c..0948663 100644
--- a/sdm/libs/hwc/hwc_display.cpp
+++ b/sdm/libs/hwc/hwc_display.cpp
@@ -609,6 +609,10 @@
   }
 
   size_t num_hw_layers = content_list->numHwLayers;
+  if (num_hw_layers <= 1) {
+    flush_ = true;
+    return 0;
+  }
 
   if (!skip_prepare_) {
     DisplayError error = display_intf_->Prepare(&layer_stack_);