From 1553bff4b0604c4f96a0a6be9839711b0d6efe65 Mon Sep 17 00:00:00 2001
From: Jamie Gennis <jgennis@google.com>
Date: Wed, 21 Apr 2010 17:33:32 -0700
Subject: [PATCH] Refactor the qsd8k gralloc implementation.

The purpose of this change is to add support for allocating gralloc buffers
from either /dev/pmem or /dev/pmem_adsp depending on the usage flags.  It does
this by factoring out and abstracting the interactions with the pmem device.
For /dev/pmem allocations, the kernel allocator is not used, so a single master
fd is opened, and all the allocations are sub-allocated from that by gralloc.
For /dev/pmem_adsp the kernel allocator is used, so it simply opens a new fd
for each allocation.

A very basic unit test that can be run on the host is included.  It requires
gtest, so to run it on a host system gtest must (currently) be compiled with
BUILD_WITH_ASTL=true.

Change-Id: If2ae0151698fad8107e18e808a3fa012a846263f