hwc: Fix Idle fall back when external connected.
Reset idle fall back at the end of prepare, so that irrespective of
whether primary or external is configured first, both will fall back.
Change-Id: I6206f7cf0cccf71d1b33153044546515029f4e08
diff --git a/libhwcomposer/hwc.cpp b/libhwcomposer/hwc.cpp
index 9bf0c45..f7bb192 100644
--- a/libhwcomposer/hwc.cpp
+++ b/libhwcomposer/hwc.cpp
@@ -221,6 +221,7 @@
ctx->mOverlay->configDone();
ctx->mRotMgr->configDone();
+ MDPComp::resetIdleFallBack();
return ret;
}