add initial codes

Change-Id: I4edb6f8707b0f09062aab89e4a690f544ac7353f

12 files changed, 2043 insertions, 0 deletions

diff --git a/AUTHORS b/AUTHORS
new file mode 100644
index 0000000..e78cf20
--- /dev/null
+++ b/AUTHORS
@@ -0,0 +1,3 @@
+SooChan Lim <sc1.lim@samsung.com>
+Changyeon Lee <cyeon.lee@samsung.com>
+Boram Park <boram1288.park@samsung.com>
diff --git a/COPYING b/COPYING
new file mode 100644
index 0000000..be13227
--- /dev/null
+++ b/COPYING
@@ -0,0 +1,18 @@
+Copyright (C) 2000 - 2015 Samsung Electronics co., Ltd. All Rights Reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is fur-
+nished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FIT-
+NESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+XFREE86 PROJECT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CON-
+NECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/ChangeLog b/ChangeLog
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/ChangeLog
diff --git a/Makefile.am b/Makefile.am
new file mode 100644
index 0000000..af437a6
--- /dev/null
+++ b/Makefile.am
@@ -0,0 +1 @@
+SUBDIRS = src
diff --git a/NEWS b/NEWS
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/NEWS
diff --git a/README b/README
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/README
diff --git a/autogen.sh b/autogen.sh
new file mode 100644
index 0000000..904cd67
--- /dev/null
+++ b/autogen.sh
@@ -0,0 +1,12 @@
+#! /bin/sh
+
+srcdir=`dirname $0`
+test -z "$srcdir" && srcdir=.
+
+ORIGDIR=`pwd`
+cd $srcdir
+
+autoreconf -v --install || exit 1
+cd $ORIGDIR || exit $?
+
+$srcdir/configure --enable-maintainer-mode "$@"
diff --git a/configure.ac b/configure.ac
new file mode 100644
index 0000000..510fe0c
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,71 @@
+#
+#  Permission is hereby granted, free of charge, to any person obtaining a
+#  copy of this software and associated documentation files (the "Software"),
+#  to deal in the Software without restriction, including without limitation
+#  on the rights to use, copy, modify, merge, publish, distribute, sub
+#  license, and/or sell copies of the Software, and to permit persons to whom
+#  the Software is furnished to do so, subject to the following conditions:
+#
+#  The above copyright notice and this permission notice (including the next
+#  paragraph) shall be included in all copies or substantial portions of the
+#  Software.
+#
+#  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+#  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+#  FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
+#  ADAM JACKSON BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+#  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+#  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+AC_PREREQ(2.60)
+AC_INIT(libtbm-dumb, 1.0.5)
+AC_USE_SYSTEM_EXTENSIONS
+AC_CONFIG_SRCDIR([Makefile.am])
+AM_INIT_AUTOMAKE([dist-bzip2])
+
+AM_CONFIG_HEADER([config.h])
+
+AC_DISABLE_STATIC
+AC_PROG_LIBTOOL
+AC_PROG_CC
+
+AC_HEADER_STDC
+AC_SYS_LARGEFILE
+AC_FUNC_ALLOCA
+
+# Enable quiet compiles on automake 1.11.
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
+
+PKG_CHECK_MODULES(LIBDRM, libdrm)
+PKG_CHECK_MODULES(LIBTBM, libtbm)
+PKG_CHECK_MODULES(DLOG, dlog)
+
+AC_ARG_ENABLE(cachectrl,
+	      AS_HELP_STRING([--enable-cachectrl],
+	      [Enable cache control (default: enable)]),
+	      [CACHE_CTRL=$enableval], [CACHE_CTRL=yes])
+
+if test "x$CACHE_CTRL" = xyes; then
+    AC_DEFINE(ENABLE_CACHECRTL, 1, [Enable cache control])
+fi
+
+LIBTBM_DUMB_CFLAGS="$LIBDRM_CFLAGS $LIBTBM_CFLAGS $DLOG_CFLAGS "
+LIBTBM_DUMB_LIBS="$LIBDRM_LIBS $LIBTBM_LIBS $DLOG_LIBS "
+AC_SUBST(LIBTBM_DUMB_CFLAGS)
+AC_SUBST(LIBTBM_DUMB_LIBS)
+
+bufmgr_dir=${libdir#*/}
+AC_SUBST(bufmgr_dir)
+
+AC_OUTPUT([
+	Makefile
+	src/Makefile])
+
+echo ""
+echo "CFLAGS  : $CFLAGS"
+echo "LDFLAGS : $LDFLAGS"
+echo "LIBTBM_DUMB_CFLAGS : $LIBTBM_DUMB_CFLAGS"
+echo "LIBTBM_DUMB_LIBS   : $LIBTBM_DUMB_LIBS"
+echo "bufmgr_dir : $bufmgr_dir"
+echo ""
+
diff --git a/packaging/libtbm-dumb.manifest b/packaging/libtbm-dumb.manifest
new file mode 100644
index 0000000..97e8c31
--- /dev/null
+++ b/packaging/libtbm-dumb.manifest
@@ -0,0 +1,5 @@
+<manifest>
+	<request>
+		<domain name="_"/>
+	</request>
+</manifest>
diff --git a/packaging/libtbm-dumb.spec b/packaging/libtbm-dumb.spec
new file mode 100644
index 0000000..ce22ee3
--- /dev/null
+++ b/packaging/libtbm-dumb.spec
@@ -0,0 +1,48 @@
+Name:           libtbm-dumb
+Version:        1.0.9
+Release:        1
+License:        MIT
+Summary:        Tizen Buffer Manager - drm dumb backend
+Group:          System/Libraries
+ExcludeArch:    i586
+Source0:        %{name}-%{version}.tar.gz
+Source1001:	%name.manifest
+
+BuildRequires:  pkgconfig(pthread-stubs)
+BuildRequires:  pkgconfig(libdrm)
+BuildRequires:  pkgconfig(libtbm)
+BuildRequires:  pkgconfig(dlog)
+
+%description
+descriptionion: Tizen Buffer manager backend module uses drm dumb
+
+%prep
+%setup -q
+cp %{SOURCE1001} .
+%build
+
+%reconfigure --prefix=%{_prefix} --libdir=%{_libdir}/bufmgr --disable-cachectrl \
+            CFLAGS="${CFLAGS} -Wall -Werror" LDFLAGS="${LDFLAGS} -Wl,--hash-style=both -Wl,--as-needed"
+
+make %{?_smp_mflags}
+
+%install
+rm -rf %{buildroot}
+mkdir -p %{buildroot}/usr/share/license
+cp -af COPYING %{buildroot}/usr/share/license/%{name}
+%make_install
+
+
+%post
+if [ -f %{_libdir}/bufmgr/libtbm_default.so ]; then
+    rm -rf %{_libdir}/bufmgr/libtbm_default.so
+fi
+ln -s libtbm_dumb.so %{_libdir}/bufmgr/libtbm_default.so
+
+%postun -p /sbin/ldconfig
+
+%files
+%manifest %{name}.manifest
+%{_libdir}/bufmgr/libtbm_*.so*
+/usr/share/license/%{name}
+
diff --git a/src/Makefile.am b/src/Makefile.am
new file mode 100644
index 0000000..864f44b
--- /dev/null
+++ b/src/Makefile.am
@@ -0,0 +1,11 @@
+AM_CFLAGS = \
+	@LIBTBM_DUMB_CFLAGS@ \
+	-I$(top_srcdir) \
+	-I$(top_srcdir)/src
+
+libtbm_dumb_la_LTLIBRARIES = libtbm_dumb.la
+libtbm_dumb_ladir = /${bufmgr_dir}
+libtbm_dumb_la_LIBADD = @LIBTBM_DUMB_LIBS@
+
+libtbm_dumb_la_SOURCES = \
+	tbm_bufmgr_dumb.c
diff --git a/src/tbm_bufmgr_dumb.c b/src/tbm_bufmgr_dumb.c
new file mode 100644
index 0000000..c53b34d
--- /dev/null
+++ b/src/tbm_bufmgr_dumb.c
@@ -0,0 +1,1874 @@
+/**************************************************************************
+
+libtbm_dumb
+
+Copyright 2012 Samsung Electronics co., Ltd. All Rights Reserved.
+
+Contact: SooChan Lim <sc1.lim@samsung.com>, Sangjin Lee <lsj119@samsung.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sub license, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice (including the
+next paragraph) shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
+ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+**************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <xf86drm.h>
+#include <tbm_bufmgr.h>
+#include <tbm_bufmgr_backend.h>
+#include <pthread.h>
+#include <tbm_surface.h>
+#include <tbm_surface_internal.h>
+
+#define DEBUG
+#define USE_DMAIMPORT
+#define TBM_COLOR_FORMAT_COUNT 8
+
+#ifdef DEBUG
+#define LOG_TAG	"TBM_BACKEND"
+#include <dlog.h>
+static int bDebug=0;
+
+char* target_name()
+{
+    FILE *f;
+    char *slash;
+    static int 	initialized = 0;
+    static char app_name[128];
+
+    if ( initialized )
+        return app_name;
+
+    /* get the application name */
+    f = fopen("/proc/self/cmdline", "r");
+
+    if ( !f )
+    {
+        return 0;
+    }
+
+    memset(app_name, 0x00, sizeof(app_name));
+
+    if ( fgets(app_name, 100, f) == NULL )
+    {
+        fclose(f);
+        return 0;
+    }
+
+    fclose(f);
+
+    if ( (slash=strrchr(app_name, '/')) != NULL )
+    {
+        memmove(app_name, slash+1, strlen(slash));
+    }
+
+    initialized = 1;
+
+    return app_name;
+}
+#define TBM_DUMB_LOG(fmt, args...) LOGE("\033[31m"  "[%s]" fmt "\033[0m", target_name(), ##args)
+#define DBG(fmt, args...)  if(bDebug&01) LOGE(fmt, ##args)
+#else
+#define TBM_DUMB_LOG(...)
+#define DBG(...)
+#endif
+
+#define SIZE_ALIGN( value, base ) (((value) + ((base) - 1)) & ~((base) - 1))
+
+#define TBM_SURFACE_ALIGNMENT_PLANE (64)
+#define TBM_SURFACE_ALIGNMENT_PITCH_RGB (64)
+#define TBM_SURFACE_ALIGNMENT_PITCH_YUV (16)
+
+
+/* check condition */
+#define DUMB_RETURN_IF_FAIL(cond) {\
+    if (!(cond)) {\
+        TBM_DUMB_LOG ("[%s] : '%s' failed.\n", __FUNCTION__, #cond);\
+        return;\
+    }\
+}
+#define DUMB_RETURN_VAL_IF_FAIL(cond, val) {\
+    if (!(cond)) {\
+        TBM_DUMB_LOG ("[%s] : '%s' failed.\n", __FUNCTION__, #cond);\
+        return val;\
+    }\
+}
+
+struct dma_buf_info {
+	unsigned long	size;
+	unsigned int	fence_supported;
+	unsigned int	padding;
+};
+
+#define DMA_BUF_ACCESS_READ		0x1
+#define DMA_BUF_ACCESS_WRITE		0x2
+#define DMA_BUF_ACCESS_DMA		0x4
+#define DMA_BUF_ACCESS_MAX		0x8
+
+#define DMA_FENCE_LIST_MAX 		5
+
+struct dma_buf_fence {
+	unsigned long		ctx;
+	unsigned int		type;
+};
+
+#define DMABUF_IOCTL_BASE	'F'
+#define DMABUF_IOWR(nr, type)	_IOWR(DMABUF_IOCTL_BASE, nr, type)
+
+#define DMABUF_IOCTL_GET_INFO	DMABUF_IOWR(0x00, struct dma_buf_info)
+#define DMABUF_IOCTL_GET_FENCE	DMABUF_IOWR(0x01, struct dma_buf_fence)
+#define DMABUF_IOCTL_PUT_FENCE	DMABUF_IOWR(0x02, struct dma_buf_fence)
+
+typedef struct _tbm_bufmgr_dumb *tbm_bufmgr_dumb;
+typedef struct _tbm_bo_dumb *tbm_bo_dumb;
+
+typedef struct _dumb_private
+{
+    int ref_count;
+} PrivGem;
+
+/* tbm buffor object for dumb */
+struct _tbm_bo_dumb
+{
+    int fd;
+
+    unsigned int name;    /* FLINK ID */
+
+    unsigned int gem;     /* GEM Handle */
+
+    unsigned int dmabuf;  /* fd for dmabuf */
+
+    void *pBase;          /* virtual address */
+
+    unsigned int size;
+
+    unsigned int flags_dumb;
+    unsigned int flags_tbm;
+
+    PrivGem* private;
+
+    pthread_mutex_t mutex;
+    struct dma_buf_fence dma_fence[DMA_FENCE_LIST_MAX];
+    int device;
+    int opt;
+};
+
+/* tbm bufmgr private for dumb */
+struct _tbm_bufmgr_dumb
+{
+    int fd;
+    int isLocal;
+    void* hashBos;
+
+    int use_dma_fence;
+};
+
+char *STR_DEVICE[]=
+{
+    "DEF",
+    "CPU",
+    "2D",
+    "3D",
+    "MM"
+};
+
+char *STR_OPT[]=
+{
+    "NONE",
+    "RD",
+    "WR",
+    "RDWR"
+};
+
+
+uint32_t tbm_dumb_color_format_list[TBM_COLOR_FORMAT_COUNT] = {   TBM_FORMAT_RGBA8888,
+																		TBM_FORMAT_BGRA8888,
+																		TBM_FORMAT_RGBX8888,
+																		TBM_FORMAT_RGB888,
+																		TBM_FORMAT_NV12,
+																		TBM_FORMAT_NV21,
+																		TBM_FORMAT_YUV420,
+																		TBM_FORMAT_YVU420 };
+
+
+static unsigned int
+_get_dumb_flag_from_tbm (unsigned int ftbm)
+{
+    unsigned int flags = 0;
+    return flags;
+}
+
+static unsigned int
+_get_tbm_flag_from_dumb (unsigned int fdumb)
+{
+    unsigned int flags = 0;
+
+    flags |= TBM_BO_DEFAULT;
+    flags |= TBM_BO_SCANOUT;
+    flags |= TBM_BO_NONCACHABLE;
+
+    return flags;
+}
+
+static unsigned int
+_get_name (int fd, unsigned int gem)
+{
+    struct drm_gem_flink arg = {0,};
+
+    arg.handle = gem;
+    if (drmIoctl (fd, DRM_IOCTL_GEM_FLINK, &arg))
+    {
+        TBM_DUMB_LOG ("error fail to get flink from gem:%d (DRM_IOCTL_GEM_FLINK)\n",
+                gem);
+        return 0;
+    }
+
+    return (unsigned int)arg.name;
+}
+
+static tbm_bo_handle
+_dumb_bo_handle (tbm_bo_dumb bo_dumb, int device)
+{
+    tbm_bo_handle bo_handle;
+    memset (&bo_handle, 0x0, sizeof (uint64_t));
+
+    switch(device)
+    {
+    case TBM_DEVICE_DEFAULT:
+    case TBM_DEVICE_2D:
+        bo_handle.u32 = (uint32_t)bo_dumb->gem;
+        break;
+    case TBM_DEVICE_CPU:
+        if (!bo_dumb->pBase)
+        {
+            struct drm_mode_map_dumb arg = {0,};
+            void *map = NULL;
+
+            arg.handle = bo_dumb->gem;
+            if (drmIoctl (bo_dumb->fd, DRM_IOCTL_MODE_MAP_DUMB, &arg))
+            {
+               TBM_DUMB_LOG ("error Cannot map_ gem=%d\n", bo_dumb->gem);
+               return (tbm_bo_handle) NULL;
+            }
+
+            map = mmap (NULL, bo_dumb->size, PROT_READ|PROT_WRITE, MAP_SHARED,
+                              bo_dumb->fd, arg.offset);
+            if (map == MAP_FAILED)
+            {
+                TBM_DUMB_LOG ("error Cannot usrptr gem=%d\n", bo_dumb->gem);
+                return (tbm_bo_handle) NULL;
+            }
+            bo_dumb->pBase = map;
+        }
+        bo_handle.ptr = (void *)bo_dumb->pBase;
+        break;
+    case TBM_DEVICE_3D:
+#ifdef USE_DMAIMPORT
+        if (bo_dumb->dmabuf)
+        {
+            bo_handle.u32 = (uint32_t)bo_dumb->dmabuf;
+            break;
+        }
+
+        if (!bo_dumb->dmabuf)
+        {
+            struct drm_prime_handle arg = {0, };
+
+            arg.handle = bo_dumb->gem;
+            if (drmIoctl (bo_dumb->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg))
+            {
+                TBM_DUMB_LOG ("error Cannot dmabuf=%d\n", bo_dumb->gem);
+                return (tbm_bo_handle) NULL;
+            }
+            bo_dumb->dmabuf = arg.fd;
+        }
+
+        bo_handle.u32 = (uint32_t)bo_dumb->dmabuf;
+#endif
+        break;
+    case TBM_DEVICE_MM:
+        if (!bo_dumb->dmabuf)
+        {
+            struct drm_prime_handle arg = {0, };
+
+            arg.handle = bo_dumb->gem;
+            if (drmIoctl (bo_dumb->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg))
+            {
+                TBM_DUMB_LOG ("error Cannot dmabuf=%d\n", bo_dumb->gem);
+                return (tbm_bo_handle) NULL;
+            }
+            bo_dumb->dmabuf = arg.fd;
+        }
+
+        bo_handle.u32 = (uint32_t)bo_dumb->dmabuf;
+        break;
+    default:
+        TBM_DUMB_LOG ("error Not supported device:%d\n", device);
+        bo_handle.ptr = (void *) NULL;
+        break;
+    }
+
+    return bo_handle;
+}
+
+static int
+_dumb_cache_flush (int fd, tbm_bo_dumb bo_dumb, int flags)
+{
+#ifdef ENABLE_CACHECRTL
+    TBM_DUMB_LOG ("warning fail to enable the cache flush.\n");
+#else
+    TBM_DUMB_LOG ("warning fail to enable the cache flush.\n");
+#endif
+    return 1;
+}
+
+static int
+tbm_dumb_bo_size (tbm_bo bo)
+{
+    DUMB_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+
+    tbm_bo_dumb bo_dumb;
+
+    bo_dumb = (tbm_bo_dumb)tbm_backend_get_bo_priv(bo);
+
+    return bo_dumb->size;
+}
+
+static void *
+tbm_dumb_bo_alloc (tbm_bo bo, int size, int flags)
+{
+    DUMB_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+
+    tbm_bo_dumb bo_dumb;
+    tbm_bufmgr_dumb bufmgr_dumb;
+    unsigned int dumb_flags;
+
+    bufmgr_dumb = (tbm_bufmgr_dumb)tbm_backend_get_bufmgr_priv(bo);
+    DUMB_RETURN_VAL_IF_FAIL (bufmgr_dumb!=NULL, 0);
+
+    bo_dumb = calloc (1, sizeof(struct _tbm_bo_dumb));
+    if (!bo_dumb)
+    {
+        TBM_DUMB_LOG ("error fail to allocate the bo private\n");
+        return 0;
+    }
+
+    dumb_flags = _get_dumb_flag_from_tbm (flags);
+
+    struct drm_mode_create_dumb arg = {0, };
+    //as we know only size for new bo set height=1 and bpp=8 and in this case
+    //width will by equal to size in bytes;
+    arg.height = 1;
+    arg.bpp = 8;
+    arg.width = size;
+    arg.flags = dumb_flags;
+    if (drmIoctl (bufmgr_dumb->fd, DRM_IOCTL_MODE_CREATE_DUMB, &arg))
+    {
+        TBM_DUMB_LOG ("error Cannot create bo(flag:%x, size:%d)\n", arg.flags, (unsigned int)size);
+        free (bo_dumb);
+        return 0;
+    }
+
+    bo_dumb->fd = bufmgr_dumb->fd;
+    bo_dumb->gem = arg.handle;
+    bo_dumb->size = size;
+    bo_dumb->flags_tbm = flags;
+    bo_dumb->flags_dumb = dumb_flags;
+    bo_dumb->name = _get_name (bo_dumb->fd, bo_dumb->gem);
+
+    pthread_mutex_init(&bo_dumb->mutex, NULL);
+
+    if (bufmgr_dumb->use_dma_fence
+        && !bo_dumb->dmabuf)
+    {
+        struct drm_prime_handle arg = {0, };
+
+        arg.handle = bo_dumb->gem;
+        if (drmIoctl (bo_dumb->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg))
+        {
+            TBM_DUMB_LOG ("error Cannot dmabuf=%d\n", bo_dumb->gem);
+            free (bo_dumb);
+            return 0;
+        }
+        bo_dumb->dmabuf = arg.fd;
+    }
+
+    /* add bo to hash */
+    PrivGem* privGem = calloc (1, sizeof(PrivGem));
+    if (!privGem)
+    {
+        TBM_DUMB_LOG ("[libtbm-dumb:%d] "
+                "error %s:%d Fail to calloc privGem\n",
+                getpid(), __FUNCTION__, __LINE__);
+        free (bo_dumb);
+        return 0;
+    }
+
+    privGem->ref_count = 1;
+    if (drmHashInsert(bufmgr_dumb->hashBos, bo_dumb->name, (void *)privGem) < 0)
+    {
+        TBM_DUMB_LOG ("error Cannot insert bo to Hash(%d)\n", bo_dumb->name);
+    }
+
+    DBG ("     [%s] bo:%p, gem:%d(%d), flags:%d(%d), size:%d\n", target_name(),
+         bo,
+         bo_dumb->gem, bo_dumb->name,
+         flags, dumb_flags,
+         bo_dumb->size);
+
+    return (void *)bo_dumb;
+}
+
+static void
+tbm_dumb_bo_free(tbm_bo bo)
+{
+    tbm_bo_dumb bo_dumb;
+    tbm_bufmgr_dumb bufmgr_dumb;
+
+    if (!bo)
+        return;
+
+    bufmgr_dumb = (tbm_bufmgr_dumb)tbm_backend_get_bufmgr_priv(bo);
+    DUMB_RETURN_IF_FAIL (bufmgr_dumb!=NULL);
+
+    bo_dumb = (tbm_bo_dumb)tbm_backend_get_bo_priv(bo);
+    DUMB_RETURN_IF_FAIL (bo_dumb!=NULL);
+
+    DBG ("      [%s] bo:%p, gem:%d(%d), fd:%d, size:%d\n",target_name(),
+         bo,
+         bo_dumb->gem, bo_dumb->name,
+         bo_dumb->dmabuf,
+         bo_dumb->size);
+
+    if (bo_dumb->pBase)
+    {
+        if (munmap(bo_dumb->pBase, bo_dumb->size) == -1)
+        {
+            TBM_DUMB_LOG ("error bo:%p fail to munmap(%s)\n",
+                bo, strerror(errno));
+        }
+    }
+
+    /* close dmabuf */
+    if (bo_dumb->dmabuf)
+    {
+        close (bo_dumb->dmabuf);
+        bo_dumb->dmabuf = 0;
+    }
+
+    /* delete bo from hash */
+    PrivGem *privGem = NULL;
+    int ret;
+
+    ret = drmHashLookup (bufmgr_dumb->hashBos, bo_dumb->name, (void**)&privGem);
+    if (ret == 0)
+    {
+        privGem->ref_count--;
+        if (privGem->ref_count == 0)
+        {
+            drmHashDelete (bufmgr_dumb->hashBos, bo_dumb->name);
+            free (privGem);
+            privGem = NULL;
+        }
+    }
+    else
+    {
+        TBM_DUMB_LOG ("warning Cannot find bo to Hash(%d), ret=%d\n", bo_dumb->name, ret);
+    }
+
+    /* Free gem handle */
+    struct drm_gem_close arg = {0, };
+    memset (&arg, 0, sizeof(arg));
+    arg.handle = bo_dumb->gem;
+    if (drmIoctl (bo_dumb->fd, DRM_IOCTL_GEM_CLOSE, &arg))
+    {
+        TBM_DUMB_LOG ("error bo:%p fail to gem close.(%s)\n",
+            bo, strerror(errno));
+    }
+
+    free (bo_dumb);
+}
+
+
+static void *
+tbm_dumb_bo_import (tbm_bo bo, unsigned int key)
+{
+    DUMB_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+
+    tbm_bufmgr_dumb bufmgr_dumb;
+    tbm_bo_dumb bo_dumb;
+
+    bufmgr_dumb = (tbm_bufmgr_dumb)tbm_backend_get_bufmgr_priv(bo);
+    DUMB_RETURN_VAL_IF_FAIL (bufmgr_dumb!=NULL, 0);
+
+    struct drm_gem_open arg = {0, };
+
+    arg.name = key;
+    if (drmIoctl(bufmgr_dumb->fd, DRM_IOCTL_GEM_OPEN, &arg))
+    {
+        TBM_DUMB_LOG ("error Cannot open gem name=%d\n", key);
+        return 0;
+    }
+
+    bo_dumb = calloc (1, sizeof(struct _tbm_bo_dumb));
+    if (!bo_dumb)
+    {
+        TBM_DUMB_LOG ("error fail to allocate the bo private\n");
+        return 0;
+    }
+
+    bo_dumb->fd = bufmgr_dumb->fd;
+    bo_dumb->gem = arg.handle;
+    bo_dumb->size = arg.size;
+    bo_dumb->flags_dumb = 0;
+    bo_dumb->name = key;
+    bo_dumb->flags_tbm = _get_tbm_flag_from_dumb (bo_dumb->flags_dumb);
+
+    if (!bo_dumb->dmabuf)
+    {
+        struct drm_prime_handle arg = {0, };
+
+        arg.handle = bo_dumb->gem;
+        if (drmIoctl (bo_dumb->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg))
+        {
+            TBM_DUMB_LOG ("error Cannot dmabuf=%d\n", bo_dumb->gem);
+            free (bo_dumb);
+            return 0;
+        }
+        bo_dumb->dmabuf = arg.fd;
+    }
+
+    /* add bo to hash */
+    PrivGem *privGem = NULL;
+    int ret;
+
+    ret = drmHashLookup (bufmgr_dumb->hashBos, bo_dumb->name, (void**)&privGem);
+    if (ret == 0)
+    {
+        privGem->ref_count++;
+    }
+    else if (ret == 1)
+    {
+        privGem = calloc (1, sizeof(PrivGem));
+        if (!privGem)
+        {
+            TBM_DUMB_LOG ("[libtbm-dumb:%d] "
+                    "error %s:%d Fail to calloc privGem\n",
+                    getpid(), __FUNCTION__, __LINE__);
+            free (bo_dumb);
+            return 0;
+        }
+
+        privGem->ref_count = 1;
+        if (drmHashInsert (bufmgr_dumb->hashBos, bo_dumb->name, (void *)privGem) < 0)
+        {
+            TBM_DUMB_LOG ("error Cannot insert bo to Hash(%d)\n", bo_dumb->name);
+        }
+    }
+    else
+    {
+        TBM_DUMB_LOG ("error Cannot insert bo to Hash(%d)\n", bo_dumb->name);
+    }
+
+    DBG ("    [%s] bo:%p, gem:%d(%d), fd:%d, flags:%d(%d), size:%d\n", target_name(),
+         bo,
+         bo_dumb->gem, bo_dumb->name,
+         bo_dumb->dmabuf,
+         bo_dumb->flags_tbm, bo_dumb->flags_dumb,
+         bo_dumb->size);
+
+    return (void *)bo_dumb;
+}
+
+static void *
+tbm_dumb_bo_import_fd (tbm_bo bo, tbm_fd key)
+{
+    DUMB_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+
+    tbm_bufmgr_dumb bufmgr_dumb;
+    tbm_bo_dumb bo_dumb;
+
+    bufmgr_dumb = (tbm_bufmgr_dumb)tbm_backend_get_bufmgr_priv(bo);
+    DUMB_RETURN_VAL_IF_FAIL (bufmgr_dumb!=NULL, 0);
+
+    unsigned int gem = 0;
+    unsigned int real_size = -1;
+
+	//getting handle from fd
+    struct drm_prime_handle arg = {0, };
+
+	arg.fd = key;
+	arg.flags = 0;
+    if (drmIoctl (bufmgr_dumb->fd, DRM_IOCTL_PRIME_FD_TO_HANDLE, &arg))
+    {
+        TBM_DUMB_LOG ("error bo:%p Cannot get gem handle from fd:%d (%s)\n",
+                 bo, arg.fd, strerror(errno));
+        return NULL;
+    }
+    gem = arg.handle;
+
+	/* Determine size of bo.  The fd-to-handle ioctl really should
+	 * return the size, but it doesn't.  If we have kernel 3.12 or
+	 * later, we can lseek on the prime fd to get the size.  Older
+	 * kernels will just fail, in which case we fall back to the
+	 * provided (estimated or guess size). */
+	real_size = lseek(key, 0, SEEK_END);
+
+    if (real_size == -1)
+        return 0;
+
+    bo_dumb = calloc (1, sizeof(struct _tbm_bo_dumb));
+    if (!bo_dumb)
+    {
+        TBM_DUMB_LOG ("error bo:%p fail to allocate the bo private\n", bo);
+        return 0;
+    }
+
+    bo_dumb->fd = bufmgr_dumb->fd;
+    bo_dumb->gem = gem;
+    bo_dumb->size = real_size;
+    bo_dumb->flags_dumb = 0;
+    bo_dumb->flags_tbm = _get_tbm_flag_from_dumb (bo_dumb->flags_dumb);
+
+    bo_dumb->name = _get_name(bo_dumb->fd, bo_dumb->gem);
+    if (!bo_dumb->name)
+    {
+        TBM_DUMB_LOG ("error bo:%p Cannot get name from gem:%d, fd:%d (%s)\n",
+            bo, gem, key, strerror(errno));
+        free (bo_dumb);
+        return 0;
+    }
+
+    /* add bo to hash */
+    PrivGem *privGem = NULL;
+    int ret;
+
+    ret = drmHashLookup (bufmgr_dumb->hashBos, bo_dumb->name, (void**)&privGem);
+    if (ret == 0)
+    {
+        privGem->ref_count++;
+    }
+    else if (ret == 1)
+    {
+        privGem = calloc (1, sizeof(PrivGem));
+        if (!privGem)
+        {
+            TBM_DUMB_LOG ("[libtbm-dumb:%d] "
+                    "error %s:%d Fail to calloc privGem\n",
+                    getpid(), __FUNCTION__, __LINE__);
+            free (bo_dumb);
+            return 0;
+        }
+
+        privGem->ref_count = 1;
+        if (drmHashInsert (bufmgr_dumb->hashBos, bo_dumb->name, (void *)privGem) < 0)
+        {
+            TBM_DUMB_LOG ("error bo:%p Cannot insert bo to Hash(%d) from gem:%d, fd:%d\n",
+                bo, bo_dumb->name, gem, key);
+        }
+    }
+    else
+    {
+        TBM_DUMB_LOG ("error bo:%p Cannot insert bo to Hash(%d) from gem:%d, fd:%d\n",
+                bo, bo_dumb->name, gem, key);
+    }
+
+    DBG (" [%s] bo:%p, gem:%d(%d), fd:%d, key_fd:%d, flags:%d(%d), size:%d\n", target_name(),
+         bo,
+         bo_dumb->gem, bo_dumb->name,
+         bo_dumb->dmabuf,
+         key,
+         bo_dumb->flags_tbm, bo_dumb->flags_dumb,
+         bo_dumb->size);
+
+    return (void *)bo_dumb;
+}
+
+static unsigned int
+tbm_dumb_bo_export (tbm_bo bo)
+{
+    DUMB_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+
+    tbm_bo_dumb bo_dumb;
+
+    bo_dumb = (tbm_bo_dumb)tbm_backend_get_bo_priv(bo);
+    DUMB_RETURN_VAL_IF_FAIL (bo_dumb!=NULL, 0);
+
+    if (!bo_dumb->name)
+    {
+        bo_dumb->name = _get_name(bo_dumb->fd, bo_dumb->gem);
+        if (!bo_dumb->name)
+        {
+            TBM_DUMB_LOG ("error Cannot get name\n");
+            return 0;
+        }
+    }
+
+    DBG ("    [%s] bo:%p, gem:%d(%d), fd:%d, flags:%d(%d), size:%d\n", target_name(),
+         bo,
+         bo_dumb->gem, bo_dumb->name,
+         bo_dumb->dmabuf,
+         bo_dumb->flags_tbm, bo_dumb->flags_dumb,
+         bo_dumb->size);
+
+    return (unsigned int)bo_dumb->name;
+}
+
+tbm_fd
+tbm_dumb_bo_export_fd (tbm_bo bo)
+{
+    DUMB_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+
+    tbm_bo_dumb bo_dumb;
+
+    bo_dumb = (tbm_bo_dumb)tbm_backend_get_bo_priv(bo);
+    DUMB_RETURN_VAL_IF_FAIL (bo_dumb!=NULL, 0);
+
+    struct drm_prime_handle arg = {0, };
+
+    arg.handle = bo_dumb->gem;
+    if (drmIoctl (bo_dumb->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg))
+    {
+        TBM_DUMB_LOG ("error bo:%p Cannot dmabuf=%d (%s)\n",
+            bo, bo_dumb->gem, strerror(errno));
+        return (tbm_fd) 0;
+    }
+
+    DBG (" [%s] bo:%p, gem:%d(%d), fd:%d, key_fd:%d, flags:%d(%d), size:%d\n", target_name(),
+         bo,
+         bo_dumb->gem, bo_dumb->name,
+         bo_dumb->dmabuf,
+         arg.fd,
+         bo_dumb->flags_tbm, bo_dumb->flags_dumb,
+         bo_dumb->size);
+
+    return (tbm_fd)arg.fd;
+}
+
+static tbm_bo_handle
+tbm_dumb_bo_get_handle (tbm_bo bo, int device)
+{
+    DUMB_RETURN_VAL_IF_FAIL (bo!=NULL, (tbm_bo_handle) NULL);
+
+    tbm_bo_handle bo_handle;
+    tbm_bo_dumb bo_dumb;
+
+    bo_dumb = (tbm_bo_dumb)tbm_backend_get_bo_priv(bo);
+    DUMB_RETURN_VAL_IF_FAIL (bo_dumb!=NULL, (tbm_bo_handle) NULL);
+
+    if (!bo_dumb->gem)
+    {
+        TBM_DUMB_LOG ("error Cannot map gem=%d\n", bo_dumb->gem);
+        return (tbm_bo_handle) NULL;
+    }
+
+    DBG ("[%s] bo:%p, gem:%d(%d), fd:%d, flags:%d(%d), size:%d, %s\n", target_name(),
+         bo,
+         bo_dumb->gem, bo_dumb->name,
+         bo_dumb->dmabuf,
+         bo_dumb->flags_tbm, bo_dumb->flags_dumb,
+         bo_dumb->size,
+         STR_DEVICE[device]);
+
+    /*Get mapped bo_handle*/
+    bo_handle = _dumb_bo_handle (bo_dumb, device);
+    if (bo_handle.ptr == NULL)
+    {
+        TBM_DUMB_LOG ("error Cannot get handle: gem:%d, device:%d\n", bo_dumb->gem, device);
+        return (tbm_bo_handle) NULL;
+    }
+
+    return bo_handle;
+}
+
+static tbm_bo_handle
+tbm_dumb_bo_map (tbm_bo bo, int device, int opt)
+{
+    DUMB_RETURN_VAL_IF_FAIL (bo!=NULL, (tbm_bo_handle) NULL);
+
+    tbm_bo_handle bo_handle;
+    tbm_bo_dumb bo_dumb;
+
+    bo_dumb = (tbm_bo_dumb)tbm_backend_get_bo_priv(bo);
+    DUMB_RETURN_VAL_IF_FAIL (bo_dumb!=NULL, (tbm_bo_handle) NULL);
+
+    if (!bo_dumb->gem)
+    {
+        TBM_DUMB_LOG ("error Cannot map gem=%d\n", bo_dumb->gem);
+        return (tbm_bo_handle) NULL;
+    }
+
+    DBG ("       [%s] bo:%p, gem:%d(%d), fd:%d, %s, %s\n", target_name(),
+         bo,
+         bo_dumb->gem, bo_dumb->name,
+         bo_dumb->dmabuf,
+         STR_DEVICE[device],
+         STR_OPT[opt]);
+
+    /*Get mapped bo_handle*/
+    bo_handle = _dumb_bo_handle (bo_dumb, device);
+    if (bo_handle.ptr == NULL)
+    {
+        TBM_DUMB_LOG ("error Cannot get handle: gem:%d, device:%d, opt:%d\n", bo_dumb->gem, device, opt);
+        return (tbm_bo_handle) NULL;
+    }
+
+    return bo_handle;
+}
+
+static int
+tbm_dumb_bo_unmap (tbm_bo bo)
+{
+    DUMB_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+
+    tbm_bo_dumb bo_dumb;
+
+    bo_dumb = (tbm_bo_dumb)tbm_backend_get_bo_priv(bo);
+    DUMB_RETURN_VAL_IF_FAIL (bo_dumb!=NULL, 0);
+
+    if (!bo_dumb->gem)
+        return 0;
+
+    DBG ("     [%s] bo:%p, gem:%d(%d), fd:%d\n", target_name(),
+          bo,
+          bo_dumb->gem, bo_dumb->name,
+          bo_dumb->dmabuf);
+
+    return 1;
+}
+
+static int
+tbm_dumb_bo_cache_flush (tbm_bo bo, int flags)
+{
+    tbm_bufmgr_dumb bufmgr_dumb = (tbm_bufmgr_dumb)tbm_backend_get_bufmgr_priv(bo);
+    DUMB_RETURN_VAL_IF_FAIL (bufmgr_dumb!=NULL, 0);
+
+    /* cache flush is managed by kernel side when using dma-fence. */
+    if (bufmgr_dumb->use_dma_fence)
+       return 1;
+
+    DUMB_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+
+    tbm_bo_dumb bo_dumb;
+
+    bo_dumb = (tbm_bo_dumb)tbm_backend_get_bo_priv(bo);
+    DUMB_RETURN_VAL_IF_FAIL (bo_dumb!=NULL, 0);
+
+    if (!_dumb_cache_flush(bo_dumb->fd, bo_dumb, flags))
+        return 0;
+
+    return 1;
+}
+
+static int
+tbm_dumb_bo_get_global_key (tbm_bo bo)
+{
+    DUMB_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+
+    tbm_bo_dumb bo_dumb;
+
+    bo_dumb = (tbm_bo_dumb)tbm_backend_get_bo_priv(bo);
+    DUMB_RETURN_VAL_IF_FAIL (bo_dumb!=NULL, 0);
+
+    if (!bo_dumb->name)
+    {
+        if (!bo_dumb->gem)
+            return 0;
+
+        bo_dumb->name = _get_name(bo_dumb->fd, bo_dumb->gem);
+    }
+
+    return bo_dumb->name;
+}
+
+static int
+tbm_dumb_bo_lock(tbm_bo bo, int device, int opt)
+{
+    DUMB_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+
+    tbm_bufmgr_dumb bufmgr_dumb;
+    tbm_bo_dumb bo_dumb;
+    struct dma_buf_fence fence;
+    struct flock filelock;
+    int ret=0;
+
+    if (device != TBM_DEVICE_3D && device != TBM_DEVICE_CPU)
+    {
+        DBG ("[libtbm-dumb:%d] %s not support device type,\n", getpid(), __FUNCTION__);
+	    return 0;
+    }
+
+    bo_dumb = (tbm_bo_dumb)tbm_backend_get_bo_priv(bo);
+    DUMB_RETURN_VAL_IF_FAIL (bo_dumb!=NULL, 0);
+
+    bufmgr_dumb = (tbm_bufmgr_dumb)tbm_backend_get_bufmgr_priv(bo);
+    DUMB_RETURN_VAL_IF_FAIL (bufmgr_dumb!=NULL, 0);
+
+    memset(&fence, 0, sizeof(struct dma_buf_fence));
+
+    /* Check if the given type is valid or not. */
+    if (opt & TBM_OPTION_WRITE)
+    {
+        if (device == TBM_DEVICE_3D)
+            fence.type = DMA_BUF_ACCESS_WRITE | DMA_BUF_ACCESS_DMA;
+    }
+    else if (opt & TBM_OPTION_READ)
+    {
+        if (device == TBM_DEVICE_3D)
+            fence.type = DMA_BUF_ACCESS_READ | DMA_BUF_ACCESS_DMA;
+    }
+    else
+    {
+        TBM_DUMB_LOG ("error Invalid argument\n");
+        return 0;
+    }
+
+    /* Check if the tbm manager supports dma fence or not. */
+    if (!bufmgr_dumb->use_dma_fence)
+    {
+        TBM_DUMB_LOG ("error Not support DMA FENCE(%s)\n", strerror(errno) );
+        return 0;
+
+    }
+
+    if (device == TBM_DEVICE_3D)
+    {
+        ret = ioctl(bo_dumb->dmabuf, DMABUF_IOCTL_GET_FENCE, &fence);
+        if (ret < 0)
+        {
+            TBM_DUMB_LOG ("error Cannot set GET FENCE(%s)\n", strerror(errno) );
+            return 0;
+        }
+    } else
+    {
+	if (opt & TBM_OPTION_WRITE)
+	    filelock.l_type = F_WRLCK;
+	else
+	    filelock.l_type = F_RDLCK;
+
+	filelock.l_whence = SEEK_CUR;
+	filelock.l_start = 0;
+	filelock.l_len = 0;
+
+	if (-1 == fcntl(bo_dumb->dmabuf, F_SETLKW, &filelock))
+        {
+	    return 0;
+	}
+    }
+
+    pthread_mutex_lock(&bo_dumb->mutex);
+
+    if (device == TBM_DEVICE_3D)
+    {
+        int i;
+        for (i = 0; i < DMA_FENCE_LIST_MAX; i++)
+        {
+            if (bo_dumb->dma_fence[i].ctx == 0)
+            {
+                bo_dumb->dma_fence[i].type = fence.type;
+                bo_dumb->dma_fence[i].ctx = fence.ctx;
+                break;
+            }
+        }
+
+        if (i == DMA_FENCE_LIST_MAX)
+        {
+            //TODO: if dma_fence list is full, it needs realloc. I will fix this. by minseok3.kim
+            TBM_DUMB_LOG ("error fence list is full\n");
+        }
+    }
+
+    pthread_mutex_unlock(&bo_dumb->mutex);
+
+    DBG ("[%s] DMABUF_IOCTL_GET_FENCE! bo:%p, gem:%d(%d), fd:%ds\n", target_name(),
+          bo,
+          bo_dumb->gem, bo_dumb->name,
+          bo_dumb->dmabuf);
+
+    return 1;
+}
+
+static int
+tbm_dumb_bo_unlock(tbm_bo bo)
+{
+    DUMB_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+
+    tbm_bo_dumb bo_dumb;
+    struct dma_buf_fence fence;
+    struct flock filelock;
+    unsigned int dma_type = 0;
+    int ret=0;
+
+    bo_dumb = (tbm_bo_dumb)tbm_backend_get_bo_priv(bo);
+    DUMB_RETURN_VAL_IF_FAIL (bo_dumb!=NULL, 0);
+
+    if (bo_dumb->dma_fence[0].type & DMA_BUF_ACCESS_DMA)
+	    dma_type = 1;
+
+    if (!bo_dumb->dma_fence[0].ctx && dma_type)
+    {
+        DBG ("[libtbm-dumb:%d] %s FENCE not support or ignored,\n", getpid(), __FUNCTION__);
+        return 0;
+    }
+
+    if (!bo_dumb->dma_fence[0].ctx && dma_type)
+    {
+        DBG ("[libtbm-dumb:%d] %s device type is not 3D/CPU,\n", getpid(), __FUNCTION__);
+        return 0;
+    }
+
+    pthread_mutex_lock(&bo_dumb->mutex);
+
+    if (dma_type)
+    {
+        fence.type = bo_dumb->dma_fence[0].type;
+        fence.ctx = bo_dumb->dma_fence[0].ctx;
+        int i;
+        for (i = 1; i < DMA_FENCE_LIST_MAX; i++)
+        {
+            bo_dumb->dma_fence[i-1].type = bo_dumb->dma_fence[i].type;
+            bo_dumb->dma_fence[i-1].ctx = bo_dumb->dma_fence[i].ctx;
+        }
+        bo_dumb->dma_fence[DMA_FENCE_LIST_MAX-1].type = 0;
+        bo_dumb->dma_fence[DMA_FENCE_LIST_MAX-1].ctx = 0;
+    }
+    pthread_mutex_unlock(&bo_dumb->mutex);
+
+    if (dma_type)
+    {
+        ret = ioctl(bo_dumb->dmabuf, DMABUF_IOCTL_PUT_FENCE, &fence);
+        if (ret < 0)
+        {
+            TBM_DUMB_LOG ("error Can not set PUT FENCE(%s)\n", strerror(errno));
+            return 0;
+        }
+    } else
+    {
+        filelock.l_type = F_UNLCK;
+	filelock.l_whence = SEEK_CUR;
+	filelock.l_start = 0;
+	filelock.l_len = 0;
+
+	if (-1 == fcntl(bo_dumb->dmabuf, F_SETLKW, &filelock))
+        {
+	    return 0;
+	}
+    }
+
+    DBG ("[%s] DMABUF_IOCTL_PUT_FENCE! bo:%p, gem:%d(%d), fd:%ds\n", target_name(),
+          bo,
+          bo_dumb->gem, bo_dumb->name,
+          bo_dumb->dmabuf);
+
+    return 1;
+}
+
+static void
+tbm_dumb_bufmgr_deinit (void *priv)
+{
+    DUMB_RETURN_IF_FAIL (priv!=NULL);
+
+    tbm_bufmgr_dumb bufmgr_dumb;
+
+    bufmgr_dumb = (tbm_bufmgr_dumb)priv;
+
+    if (bufmgr_dumb->hashBos)
+    {
+        unsigned long key;
+        void *value;
+
+        while (drmHashFirst(bufmgr_dumb->hashBos, &key, &value) > 0)
+        {
+            free (value);
+            drmHashDelete (bufmgr_dumb->hashBos, key);
+        }
+
+        drmHashDestroy (bufmgr_dumb->hashBos);
+        bufmgr_dumb->hashBos = NULL;
+    }
+
+    free (bufmgr_dumb);
+}
+
+int
+tbm_dumb_surface_supported_format(uint32_t **formats, uint32_t *num)
+{
+    uint32_t* color_formats=NULL;
+
+    color_formats = (uint32_t*)calloc (1,sizeof(uint32_t)*TBM_COLOR_FORMAT_COUNT);
+
+    if( color_formats == NULL )
+    {
+        return 0;
+    }
+    memcpy( color_formats, tbm_dumb_color_format_list , sizeof(uint32_t)*TBM_COLOR_FORMAT_COUNT );
+
+
+    *formats = color_formats;
+    *num = TBM_COLOR_FORMAT_COUNT;
+
+    fprintf (stderr, "tbm_dumb_surface_supported_format  count = %d \n",*num);
+
+    return 1;
+}
+
+
+/**
+ * @brief get the plane data of the surface.
+ * @param[in] surface : the surface
+ * @param[in] width : the width of the surface
+ * @param[in] height : the height of the surface
+ * @param[in] format : the format of the surface
+ * @param[in] plane_idx : the format of the surface
+ * @param[out] size : the size of the plane
+ * @param[out] offset : the offset of the plane
+ * @param[out] pitch : the pitch of the plane
+ * @param[out] padding : the padding of the plane
+ * @return 1 if this function succeeds, otherwise 0.
+ */
+int
+tbm_dumb_surface_get_plane_data(tbm_surface_h surface, int width, int height, tbm_format format, int plane_idx, uint32_t *size, uint32_t *offset, uint32_t *pitch, int *bo_idx)
+{
+    int ret = 1;
+    int bpp;
+    int _offset =0;
+    int _pitch =0;
+    int _size =0;
+    int _bo_idx = 0;
+
+    switch(format)
+    {
+        /* 16 bpp RGB */
+        case TBM_FORMAT_XRGB4444:
+        case TBM_FORMAT_XBGR4444:
+        case TBM_FORMAT_RGBX4444:
+        case TBM_FORMAT_BGRX4444:
+        case TBM_FORMAT_ARGB4444:
+        case TBM_FORMAT_ABGR4444:
+        case TBM_FORMAT_RGBA4444:
+        case TBM_FORMAT_BGRA4444:
+        case TBM_FORMAT_XRGB1555:
+        case TBM_FORMAT_XBGR1555:
+        case TBM_FORMAT_RGBX5551:
+        case TBM_FORMAT_BGRX5551:
+        case TBM_FORMAT_ARGB1555:
+        case TBM_FORMAT_ABGR1555:
+        case TBM_FORMAT_RGBA5551:
+        case TBM_FORMAT_BGRA5551:
+        case TBM_FORMAT_RGB565:
+            bpp = 16;
+            _offset = 0;
+			_pitch = SIZE_ALIGN((width*bpp)>>3,TBM_SURFACE_ALIGNMENT_PITCH_RGB);
+            _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+            _bo_idx = 0;
+            break;
+        /* 24 bpp RGB */
+        case TBM_FORMAT_RGB888:
+        case TBM_FORMAT_BGR888:
+            bpp = 24;
+            _offset = 0;
+			_pitch = SIZE_ALIGN((width*bpp)>>3,TBM_SURFACE_ALIGNMENT_PITCH_RGB);
+            _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+            _bo_idx = 0;
+            break;
+        /* 32 bpp RGB */
+        case TBM_FORMAT_XRGB8888:
+        case TBM_FORMAT_XBGR8888:
+        case TBM_FORMAT_RGBX8888:
+        case TBM_FORMAT_BGRX8888:
+        case TBM_FORMAT_ARGB8888:
+        case TBM_FORMAT_ABGR8888:
+        case TBM_FORMAT_RGBA8888:
+        case TBM_FORMAT_BGRA8888:
+            bpp = 32;
+            _offset = 0;
+			_pitch = SIZE_ALIGN((width*bpp)>>3,TBM_SURFACE_ALIGNMENT_PITCH_RGB);
+            _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+            _bo_idx = 0;
+            break;
+
+        /* packed YCbCr */
+        case TBM_FORMAT_YUYV:
+        case TBM_FORMAT_YVYU:
+        case TBM_FORMAT_UYVY:
+        case TBM_FORMAT_VYUY:
+        case TBM_FORMAT_AYUV:
+            bpp = 32;
+            _offset = 0;
+			_pitch = SIZE_ALIGN((width*bpp)>>3,TBM_SURFACE_ALIGNMENT_PITCH_YUV);
+            _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+            _bo_idx = 0;
+            break;
+
+        /*
+        * 2 plane YCbCr
+        * index 0 = Y plane, [7:0] Y
+        * index 1 = Cr:Cb plane, [15:0] Cr:Cb little endian
+        * or
+        * index 1 = Cb:Cr plane, [15:0] Cb:Cr little endian
+        */
+        case TBM_FORMAT_NV12:
+            bpp = 12;
+            if(plane_idx == 0)
+            {
+                _offset = 0;
+				_pitch = SIZE_ALIGN( width ,TBM_SURFACE_ALIGNMENT_PITCH_YUV);
+                _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+                _bo_idx = 0;
+            }
+            else if( plane_idx ==1 )
+            {
+                _offset = 0;
+				_pitch = SIZE_ALIGN( width ,TBM_SURFACE_ALIGNMENT_PITCH_YUV/2);
+				_size = SIZE_ALIGN(_pitch*(height/2),TBM_SURFACE_ALIGNMENT_PLANE);
+                _bo_idx = 1;
+            }
+            break;
+        case TBM_FORMAT_NV21:
+            bpp = 12;
+            if(plane_idx == 0)
+            {
+                _offset = 0;
+				_pitch = SIZE_ALIGN( width ,TBM_SURFACE_ALIGNMENT_PITCH_YUV);
+                _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+                _bo_idx = 0;
+            }
+            else if( plane_idx ==1 )
+            {
+                _offset = width*height;
+				_pitch = SIZE_ALIGN( width ,TBM_SURFACE_ALIGNMENT_PITCH_YUV/2);
+				_size = SIZE_ALIGN(_pitch*(height/2),TBM_SURFACE_ALIGNMENT_PLANE);
+                _bo_idx = 0;
+            }
+            break;
+
+        case TBM_FORMAT_NV16:
+        case TBM_FORMAT_NV61:
+			bpp = 16;
+            //if(plane_idx == 0)
+            {
+                _offset = 0;
+		_pitch = SIZE_ALIGN(width,TBM_SURFACE_ALIGNMENT_PITCH_YUV);
+                _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+                _bo_idx = 0;
+		if(plane_idx == 0)
+			break;
+            }
+            //else if( plane_idx ==1 )
+            {
+                _offset += _size;
+		_pitch = SIZE_ALIGN(width,TBM_SURFACE_ALIGNMENT_PITCH_YUV/2);
+                _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+                _bo_idx = 0;
+            }
+            break;
+
+        /*
+        * 3 plane YCbCr
+        * index 0: Y plane, [7:0] Y
+        * index 1: Cb plane, [7:0] Cb
+        * index 2: Cr plane, [7:0] Cr
+        * or
+        * index 1: Cr plane, [7:0] Cr
+        * index 2: Cb plane, [7:0] Cb
+        */
+        /*
+        NATIVE_BUFFER_FORMAT_YV12
+        NATIVE_BUFFER_FORMAT_I420
+        */
+        case TBM_FORMAT_YUV410:
+        case TBM_FORMAT_YVU410:
+            bpp = 9;
+            _bo_idx = 0;
+            break;
+        case TBM_FORMAT_YUV411:
+        case TBM_FORMAT_YVU411:
+        case TBM_FORMAT_YUV420:
+        case TBM_FORMAT_YVU420:
+            bpp = 12;
+            //if(plane_idx == 0)
+            {
+                _offset = 0;
+		        _pitch = SIZE_ALIGN(width,TBM_SURFACE_ALIGNMENT_PITCH_YUV);
+                _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+                _bo_idx = 0;
+		        if(plane_idx == 0)
+			        break;
+            }
+            //else if( plane_idx == 1 )
+            {
+                _offset += _size;
+		        _pitch = SIZE_ALIGN(width/2,TBM_SURFACE_ALIGNMENT_PITCH_YUV/2);
+		        _size = SIZE_ALIGN(_pitch*(height/2),TBM_SURFACE_ALIGNMENT_PLANE);
+                _bo_idx = 0;
+		        if(plane_idx == 1)
+			        break;
+            }
+            //else if (plane_idx == 2 )
+            {
+                _offset += _size;
+		        _pitch = SIZE_ALIGN(width/2,TBM_SURFACE_ALIGNMENT_PITCH_YUV/2);
+                _size = SIZE_ALIGN(_pitch*(height/2),TBM_SURFACE_ALIGNMENT_PLANE);
+                _bo_idx = 0;
+            }
+            break;
+        case TBM_FORMAT_YUV422:
+        case TBM_FORMAT_YVU422:
+            bpp = 16;
+            //if(plane_idx == 0)
+            {
+                _offset = 0;
+		        _pitch = SIZE_ALIGN(width,TBM_SURFACE_ALIGNMENT_PITCH_YUV);
+                _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+                _bo_idx = 0;
+		        if(plane_idx == 0)
+			        break;
+            }
+            //else if( plane_idx == 1 )
+            {
+                _offset += _size;
+		        _pitch = SIZE_ALIGN(width/2,TBM_SURFACE_ALIGNMENT_PITCH_YUV/2);
+		        _size = SIZE_ALIGN(_pitch*(height),TBM_SURFACE_ALIGNMENT_PLANE);
+                _bo_idx = 0;
+		        if(plane_idx == 1)
+			        break;
+            }
+            //else if (plane_idx == 2 )
+            {
+                _offset += _size;
+		        _pitch = SIZE_ALIGN(width/2,TBM_SURFACE_ALIGNMENT_PITCH_YUV/2);
+                _size = SIZE_ALIGN(_pitch*(height),TBM_SURFACE_ALIGNMENT_PLANE);
+                _bo_idx = 0;
+            }
+            break;
+        case TBM_FORMAT_YUV444:
+        case TBM_FORMAT_YVU444:
+            bpp = 24;
+            //if(plane_idx == 0)
+            {
+                _offset = 0;
+		        _pitch = SIZE_ALIGN(width,TBM_SURFACE_ALIGNMENT_PITCH_YUV);
+                _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+                _bo_idx = 0;
+		        if(plane_idx == 0)
+			        break;
+            }
+            //else if( plane_idx == 1 )
+            {
+                _offset += _size;
+		        _pitch = SIZE_ALIGN(width,TBM_SURFACE_ALIGNMENT_PITCH_YUV);
+                _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+                _bo_idx = 0;
+		        if(plane_idx == 1)
+			        break;
+            }
+            //else if (plane_idx == 2 )
+            {
+                _offset += _size;
+  		        _pitch = SIZE_ALIGN(width,TBM_SURFACE_ALIGNMENT_PITCH_YUV);
+               _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+               _bo_idx = 0;
+            }
+            break;
+        default:
+            bpp = 0;
+            break;
+    }
+
+    *size = _size;
+    *offset = _offset;
+    *pitch = _pitch;
+    *bo_idx = _bo_idx;
+
+    return ret;
+}
+
+int
+tbm_dumb_surface_get_num_bos(tbm_format format)
+{
+	int num = 0;
+
+    switch(format)
+    {
+        /* 16 bpp RGB */
+        case TBM_FORMAT_XRGB4444:
+        case TBM_FORMAT_XBGR4444:
+        case TBM_FORMAT_RGBX4444:
+        case TBM_FORMAT_BGRX4444:
+        case TBM_FORMAT_ARGB4444:
+        case TBM_FORMAT_ABGR4444:
+        case TBM_FORMAT_RGBA4444:
+        case TBM_FORMAT_BGRA4444:
+        case TBM_FORMAT_XRGB1555:
+        case TBM_FORMAT_XBGR1555:
+        case TBM_FORMAT_RGBX5551:
+        case TBM_FORMAT_BGRX5551:
+        case TBM_FORMAT_ARGB1555:
+        case TBM_FORMAT_ABGR1555:
+        case TBM_FORMAT_RGBA5551:
+        case TBM_FORMAT_BGRA5551:
+        case TBM_FORMAT_RGB565:
+        /* 24 bpp RGB */
+        case TBM_FORMAT_RGB888:
+        case TBM_FORMAT_BGR888:
+        /* 32 bpp RGB */
+        case TBM_FORMAT_XRGB8888:
+        case TBM_FORMAT_XBGR8888:
+        case TBM_FORMAT_RGBX8888:
+        case TBM_FORMAT_BGRX8888:
+        case TBM_FORMAT_ARGB8888:
+        case TBM_FORMAT_ABGR8888:
+        case TBM_FORMAT_RGBA8888:
+        case TBM_FORMAT_BGRA8888:
+        /* packed YCbCr */
+        case TBM_FORMAT_YUYV:
+        case TBM_FORMAT_YVYU:
+        case TBM_FORMAT_UYVY:
+        case TBM_FORMAT_VYUY:
+        case TBM_FORMAT_AYUV:
+        /*
+        * 2 plane YCbCr
+        * index 0 = Y plane, [7:0] Y
+        * index 1 = Cr:Cb plane, [15:0] Cr:Cb little endian
+        * or
+        * index 1 = Cb:Cr plane, [15:0] Cb:Cr little endian
+        */
+        case TBM_FORMAT_NV21:
+        case TBM_FORMAT_NV16:
+        case TBM_FORMAT_NV61:
+        /*
+        * 3 plane YCbCr
+        * index 0: Y plane, [7:0] Y
+        * index 1: Cb plane, [7:0] Cb
+        * index 2: Cr plane, [7:0] Cr
+        * or
+        * index 1: Cr plane, [7:0] Cr
+        * index 2: Cb plane, [7:0] Cb
+        */
+        case TBM_FORMAT_YUV410:
+        case TBM_FORMAT_YVU410:
+        case TBM_FORMAT_YUV411:
+        case TBM_FORMAT_YVU411:
+        case TBM_FORMAT_YUV420:
+        case TBM_FORMAT_YVU420:
+        case TBM_FORMAT_YUV422:
+        case TBM_FORMAT_YVU422:
+        case TBM_FORMAT_YUV444:
+        case TBM_FORMAT_YVU444:
+            num = 1;
+            break;
+
+        case TBM_FORMAT_NV12:
+            num = 2;
+            break;
+
+        default:
+            num = 0;
+            break;
+    }
+
+    return num;
+}
+
+/**
+* @brief get the size of the surface with a format.
+* @param[in] surface : the surface
+* @param[in] width : the width of the surface
+* @param[in] height : the height of the surface
+* @param[in] format : the format of the surface
+* @return size of the surface if this function succeeds, otherwise 0.
+*/
+
+int
+tbm_dumb_surface_get_size(tbm_surface_h surface, int width, int height, tbm_format format)
+{
+	int ret = 0;
+	int bpp = 0;
+	int _pitch =0;
+	int _size =0;
+	int align =TBM_SURFACE_ALIGNMENT_PLANE;
+
+    switch(format)
+    {
+        /* 16 bpp RGB */
+        case TBM_FORMAT_XRGB4444:
+        case TBM_FORMAT_XBGR4444:
+        case TBM_FORMAT_RGBX4444:
+        case TBM_FORMAT_BGRX4444:
+        case TBM_FORMAT_ARGB4444:
+        case TBM_FORMAT_ABGR4444:
+        case TBM_FORMAT_RGBA4444:
+        case TBM_FORMAT_BGRA4444:
+        case TBM_FORMAT_XRGB1555:
+        case TBM_FORMAT_XBGR1555:
+        case TBM_FORMAT_RGBX5551:
+        case TBM_FORMAT_BGRX5551:
+        case TBM_FORMAT_ARGB1555:
+        case TBM_FORMAT_ABGR1555:
+        case TBM_FORMAT_RGBA5551:
+        case TBM_FORMAT_BGRA5551:
+        case TBM_FORMAT_RGB565:
+            bpp = 16;
+			_pitch = SIZE_ALIGN((width*bpp)>>3,TBM_SURFACE_ALIGNMENT_PITCH_RGB);
+            _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+            break;
+        /* 24 bpp RGB */
+        case TBM_FORMAT_RGB888:
+        case TBM_FORMAT_BGR888:
+            bpp = 24;
+			_pitch = SIZE_ALIGN((width*bpp)>>3,TBM_SURFACE_ALIGNMENT_PITCH_RGB);
+            _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+            break;
+        /* 32 bpp RGB */
+        case TBM_FORMAT_XRGB8888:
+        case TBM_FORMAT_XBGR8888:
+        case TBM_FORMAT_RGBX8888:
+        case TBM_FORMAT_BGRX8888:
+        case TBM_FORMAT_ARGB8888:
+        case TBM_FORMAT_ABGR8888:
+        case TBM_FORMAT_RGBA8888:
+        case TBM_FORMAT_BGRA8888:
+            bpp = 32;
+			_pitch = SIZE_ALIGN((width*bpp)>>3,TBM_SURFACE_ALIGNMENT_PITCH_RGB);
+            _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+            break;
+        /* packed YCbCr */
+        case TBM_FORMAT_YUYV:
+        case TBM_FORMAT_YVYU:
+        case TBM_FORMAT_UYVY:
+        case TBM_FORMAT_VYUY:
+        case TBM_FORMAT_AYUV:
+            bpp = 32;
+			_pitch = SIZE_ALIGN((width*bpp)>>3,TBM_SURFACE_ALIGNMENT_PITCH_YUV);
+            _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+            break;
+        /*
+        * 2 plane YCbCr
+        * index 0 = Y plane, [7:0] Y
+        * index 1 = Cr:Cb plane, [15:0] Cr:Cb little endian
+        * or
+        * index 1 = Cb:Cr plane, [15:0] Cb:Cr little endian
+        */
+        case TBM_FORMAT_NV12:
+        case TBM_FORMAT_NV21:
+			bpp = 12;
+			 //plane_idx == 0
+			 {
+				 _pitch = SIZE_ALIGN( width ,TBM_SURFACE_ALIGNMENT_PITCH_YUV);
+				 _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+			 }
+			 //plane_idx ==1
+			 {
+				 _pitch = SIZE_ALIGN( width ,TBM_SURFACE_ALIGNMENT_PITCH_YUV/2);
+				 _size += SIZE_ALIGN(_pitch*(height/2),TBM_SURFACE_ALIGNMENT_PLANE);
+			 }
+			 break;
+
+            break;
+        case TBM_FORMAT_NV16:
+        case TBM_FORMAT_NV61:
+            bpp = 16;
+            //plane_idx == 0
+            {
+				_pitch = SIZE_ALIGN(width,TBM_SURFACE_ALIGNMENT_PITCH_YUV);
+                _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+            }
+            //plane_idx ==1
+            {
+			    _pitch = SIZE_ALIGN(width,TBM_SURFACE_ALIGNMENT_PITCH_YUV/2);
+                _size += SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+            }
+
+            break;
+        /*
+        * 3 plane YCbCr
+        * index 0: Y plane, [7:0] Y
+        * index 1: Cb plane, [7:0] Cb
+        * index 2: Cr plane, [7:0] Cr
+        * or
+        * index 1: Cr plane, [7:0] Cr
+        * index 2: Cb plane, [7:0] Cb
+        */
+        case TBM_FORMAT_YUV410:
+        case TBM_FORMAT_YVU410:
+            bpp = 9;
+	    align = TBM_SURFACE_ALIGNMENT_PITCH_YUV;
+            break;
+        case TBM_FORMAT_YUV411:
+        case TBM_FORMAT_YVU411:
+        case TBM_FORMAT_YUV420:
+        case TBM_FORMAT_YVU420:
+            bpp = 12;
+	    //plane_idx == 0
+            {
+		_pitch = SIZE_ALIGN(width,TBM_SURFACE_ALIGNMENT_PITCH_YUV);
+                _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+            }
+            //plane_idx == 1
+            {
+		_pitch = SIZE_ALIGN(width/2,TBM_SURFACE_ALIGNMENT_PITCH_YUV/2);
+		_size += SIZE_ALIGN(_pitch*(height/2),TBM_SURFACE_ALIGNMENT_PLANE);
+            }
+            //plane_idx == 2
+            {
+		_pitch = SIZE_ALIGN(width/2,TBM_SURFACE_ALIGNMENT_PITCH_YUV/2);
+                _size += SIZE_ALIGN(_pitch*(height/2),TBM_SURFACE_ALIGNMENT_PLANE);
+            }
+
+            break;
+        case TBM_FORMAT_YUV422:
+        case TBM_FORMAT_YVU422:
+            bpp = 16;
+	    //plane_idx == 0
+            {
+		_pitch = SIZE_ALIGN(width,TBM_SURFACE_ALIGNMENT_PITCH_YUV);
+                _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+            }
+            //plane_idx == 1
+            {
+		_pitch = SIZE_ALIGN(width/2,TBM_SURFACE_ALIGNMENT_PITCH_YUV/2);
+		_size += SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+            }
+            //plane_idx == 2
+            {
+		_pitch = SIZE_ALIGN(width/2,TBM_SURFACE_ALIGNMENT_PITCH_YUV/2);
+                _size += SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+            }
+            break;
+        case TBM_FORMAT_YUV444:
+        case TBM_FORMAT_YVU444:
+            bpp = 24;
+	    align = TBM_SURFACE_ALIGNMENT_PITCH_YUV;
+            break;
+
+        default:
+            bpp = 0;
+            break;
+    }
+
+	if(_size > 0)
+		ret = _size;
+	else
+	    ret =  SIZE_ALIGN( (width * height * bpp) >> 3, align);
+
+    return ret;
+
+}
+
+tbm_bo_handle
+tbm_dumb_fd_to_handle(tbm_bufmgr bufmgr, tbm_fd fd, int device)
+{
+    DUMB_RETURN_VAL_IF_FAIL (bufmgr!=NULL, (tbm_bo_handle) NULL);
+    DUMB_RETURN_VAL_IF_FAIL (fd > 0, (tbm_bo_handle) NULL);
+
+    tbm_bo_handle bo_handle;
+    memset (&bo_handle, 0x0, sizeof (uint64_t));
+
+    tbm_bufmgr_dumb bufmgr_dumb = (tbm_bufmgr_dumb)tbm_backend_get_priv_from_bufmgr(bufmgr);
+
+    switch(device)
+    {
+    case TBM_DEVICE_DEFAULT:
+    case TBM_DEVICE_2D:
+    {
+        //getting handle from fd
+        struct drm_prime_handle arg = {0, };
+
+        arg.fd = fd;
+        arg.flags = 0;
+        if (drmIoctl (bufmgr_dumb->fd, DRM_IOCTL_PRIME_FD_TO_HANDLE, &arg))
+        {
+            TBM_DUMB_LOG ("error Cannot get gem handle from fd:%d (%s)\n",
+                     arg.fd, strerror(errno));
+            return (tbm_bo_handle) NULL;
+        }
+
+        bo_handle.u32 = (uint32_t)arg.handle;;
+        break;
+    }
+    case TBM_DEVICE_CPU:
+        TBM_DUMB_LOG ("Not supported device:%d\n", device);
+        bo_handle.ptr = (void *) NULL;
+        break;
+    case TBM_DEVICE_3D:
+    case TBM_DEVICE_MM:
+        bo_handle.u32 = (uint32_t)fd;
+        break;
+    default:
+        TBM_DUMB_LOG ("error Not supported device:%d\n", device);
+        bo_handle.ptr = (void *) NULL;
+        break;
+    }
+
+    return bo_handle;
+}
+
+
+MODULEINITPPROTO (init_tbm_bufmgr_priv);
+
+static TBMModuleVersionInfo DumbVersRec =
+{
+    "dumb",
+    "Samsung",
+    TBM_ABI_VERSION,
+};
+
+TBMModuleData tbmModuleData = { &DumbVersRec, init_tbm_bufmgr_priv};
+
+int
+init_tbm_bufmgr_priv (tbm_bufmgr bufmgr, int fd)
+{
+    tbm_bufmgr_dumb bufmgr_dumb;
+    tbm_bufmgr_backend bufmgr_backend;
+    uint64_t cap = 0;
+    uint32_t ret;
+
+    if (!bufmgr)
+        return 0;
+
+    ret = drmGetCap(fd, DRM_CAP_DUMB_BUFFER, &cap);
+    if (ret || cap == 0) {
+        TBM_DUMB_LOG ("error: drm  buffer isn't supported !\n");
+        return 0;
+    }
+
+    bufmgr_dumb = calloc (1, sizeof(struct _tbm_bufmgr_dumb));
+    if (!bufmgr_dumb)
+    {
+        TBM_DUMB_LOG ("error: Fail to alloc bufmgr_dumb!\n");
+        return 0;
+    }
+
+    bufmgr_dumb->fd = fd;
+    if (bufmgr_dumb->fd < 0)
+    {
+        TBM_DUMB_LOG ("error: Fail to create drm!\n");
+        free (bufmgr_dumb);
+        return 0;
+    }
+
+    //Create Hash Table
+    bufmgr_dumb->hashBos = drmHashCreate ();
+
+    //Check if the tbm manager supports dma fence or not.
+    int fp = open("/sys/module/dmabuf_sync/parameters/enabled", O_RDONLY);
+    int length;
+    char buf[1];
+    if (fp != -1)
+    {
+        length = read(fp, buf, 1);
+
+        if (length == 1 && buf[0] == '1')
+            bufmgr_dumb->use_dma_fence = 1;
+
+        close(fp);
+    }
+
+    bufmgr_backend = tbm_backend_alloc();
+    if (!bufmgr_backend)
+    {
+        TBM_DUMB_LOG ("error: Fail to create drm!\n");
+        if (bufmgr_dumb->hashBos)
+            drmHashDestroy (bufmgr_dumb->hashBos);
+        free (bufmgr_dumb);
+        return 0;
+    }
+
+    bufmgr_backend->priv = (void *)bufmgr_dumb;
+    bufmgr_backend->bufmgr_deinit = tbm_dumb_bufmgr_deinit,
+    bufmgr_backend->bo_size = tbm_dumb_bo_size,
+    bufmgr_backend->bo_alloc = tbm_dumb_bo_alloc,
+    bufmgr_backend->bo_free = tbm_dumb_bo_free,
+    bufmgr_backend->bo_import = tbm_dumb_bo_import,
+    bufmgr_backend->bo_import_fd = tbm_dumb_bo_import_fd,
+    bufmgr_backend->bo_export = tbm_dumb_bo_export,
+    bufmgr_backend->bo_export_fd = tbm_dumb_bo_export_fd,
+    bufmgr_backend->bo_get_handle = tbm_dumb_bo_get_handle,
+    bufmgr_backend->bo_map = tbm_dumb_bo_map,
+    bufmgr_backend->bo_unmap = tbm_dumb_bo_unmap,
+    bufmgr_backend->bo_cache_flush = tbm_dumb_bo_cache_flush,
+    bufmgr_backend->bo_get_global_key = tbm_dumb_bo_get_global_key;
+    bufmgr_backend->surface_get_plane_data = tbm_dumb_surface_get_plane_data;
+    bufmgr_backend->surface_get_size = tbm_dumb_surface_get_size;
+    bufmgr_backend->surface_supported_format = tbm_dumb_surface_supported_format;
+    bufmgr_backend->fd_to_handle = tbm_dumb_fd_to_handle;
+    bufmgr_backend->surface_get_num_bos = tbm_dumb_surface_get_num_bos;
+
+    if (bufmgr_dumb->use_dma_fence)
+    {
+        bufmgr_backend->flags = (TBM_LOCK_CTRL_BACKEND | TBM_CACHE_CTRL_BACKEND);
+        bufmgr_backend->bo_lock = NULL;
+        bufmgr_backend->bo_lock2 = tbm_dumb_bo_lock;
+        bufmgr_backend->bo_unlock = tbm_dumb_bo_unlock;
+    }
+    else
+    {
+        bufmgr_backend->flags = 0;
+        bufmgr_backend->bo_lock = NULL;
+        bufmgr_backend->bo_unlock = NULL;
+    }
+
+    if (!tbm_backend_init (bufmgr, bufmgr_backend))
+    {
+        TBM_DUMB_LOG ("error: Fail to init backend!\n");
+        tbm_backend_free (bufmgr_backend);
+        free (bufmgr_dumb);
+        return 0;
+    }
+
+#ifdef DEBUG
+    {
+        char* env;
+        env = getenv ("TBM_DUMB_DEBUG");
+        if (env)
+        {
+            bDebug = atoi (env);
+            TBM_DUMB_LOG ("TBM_DUMB_DEBUG=%s\n", env);
+        }
+        else
+        {
+            bDebug = 0;
+        }
+    }
+#endif
+
+    DBG ("[%s] DMABUF FENCE is %s\n", target_name(),
+          bufmgr_dumb->use_dma_fence ? "supported!" : "NOT supported!");
+
+    DBG ("[%s] drm_fd:%d\n", target_name(),
+          bufmgr_dumb->fd);
+
+    return 1;
+}
+
+