From 5086fcfb1f8fa67da749777dcd030f53fa937e60 Mon Sep 17 00:00:00 2001
From: Mathias Agopian <mathias@google.com>
Date: Tue, 8 Dec 2009 19:34:43 -0800
Subject: [PATCH] improve cache behavior of gralloc allocations on qsd8k

make sure to use cached buffers only when frequent cpu access is needed.
also, always flush buffers after they are allocated and cleared.