TeamCanjica/android_frameworks_native — pull request #4 by frapeti (2013-11-24 20:07:34+00:00)
Title: frameworks/native: fix copy back dirty region

Copyback dirty region logic does copyback,
even when its not necessary causing 2ms delay.
Fix the logic to copy back only what is necessary.

Change-Id: I52de68258ac9f87d704ee5401f93417805fa6773