commit 3c938a7e18ab2e06b3d925fdc99e157ad125f6bb
author Michael Brehm <djp952@gmail.com> Sat Sep 15 02:03:39 2012 -0500
committer Chirayu Desai <chirayudesai1@gmail.com> Sun Sep 16 11:36:05 2012 +0530
tree ac9d4a10ed930d51ce515b99e95625a8769d8a6d
parent 317dcfa0f0ed518a7bb5577ea36559713c3f6698

exynos3: Implement custom VSYNC IOCTL

* Replace crespo-based VSYNC uevent mechanism in hwcomposer
  with a custom IOCTL mechanism instead (required kernel
  modifications.

* The VSYNC uevents were spamming the Android UEventObserver
  and causing about 7% of constant CPU load

  c86856efabfa0b2981ceb47898dc5873a4998707

Improve custom VSYNC handler in hwcomposer

* only poll when necessary
* solves suspend/resume instability?

  45bf1dae7fa9057a3415151f7559e7bd2a162ead

Change-Id: Icdb5c60059e71688479d390b7b3a1f09a0315a5f