remove legacy libtbm backendtizen_7.0_m2_releasesubmit/tizen/20220628.044343submit/tizen/20220627.072238accepted/tizen/unified/20220628.220105accepted/tizen/7.0/unified/hotfix/20221116.104419accepted/tizen/7.0/unified/20221110.060856tizen_7.0_hotfixtizen_7.0accepted/tizen_7.0_unified_hotfixaccepted/tizen_7.0_unified

Change-Id: I4c3811494f4a86269869e36e3934a208856941e0

11 files changed, 21 insertions, 1698 deletions

diff --git a/configure.ac b/configure.ac
index 21e4f78..189329f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,7 +18,7 @@
 #  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_INIT(hal-backend-tbm-dumb, 1.0.5)
 AC_USE_SYSTEM_EXTENSIONS
 AC_CONFIG_SRCDIR([Makefile.am])
 AM_INIT_AUTOMAKE([dist-bzip2])
@@ -37,7 +37,6 @@ AC_FUNC_ALLOCA
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
 PKG_CHECK_MODULES(LIBDRM, libdrm)
-PKG_CHECK_MODULES(LIBTBM, libtbm)
 PKG_CHECK_MODULES(HAL_API_COMMON, hal-api-common)
 PKG_CHECK_MODULES(HAL_API_TBM, hal-api-tbm)
 PKG_CHECK_MODULES(DLOG, dlog)
@@ -60,35 +59,21 @@ 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 $LIBUDEV_CFLAGS "
-LIBTBM_DUMB_LIBS="$LIBDRM_LIBS $LIBTBM_LIBS $DLOG_LIBS $LIBUDEV_LIBS "
-
-AC_SUBST(LIBTBM_DUMB_CFLAGS)
-AC_SUBST(LIBTBM_DUMB_LIBS)
-
-bufmgr_dir=${libdir#*/}
-AC_SUBST(bufmgr_dir)
-
-# for libhal-backend-tbm-dumb
 LIBHAL_BACKEND_TBM_DUMB_CFLAGS="$HAL_API_COMMON_CFLAGS $HAL_API_TBM_CFLAGS $LIBDRM_CFLAGS $DLOG_CFLAGS $LIBUDEV_CFLAGS "
 LIBHAL_BACKEND_TBM_DUMB_LIBS="$HAL_API_COMMON_LIBS $HAL_API_TBM_LIBS $LIBDRM_LIBS $DLOG_LIBS $LIBUDEV_LIBS "
+
 AC_SUBST(LIBHAL_BACKEND_TBM_DUMB_CFLAGS)
 AC_SUBST(LIBHAL_BACKEND_TBM_DUMB_LIBS)
 
 AC_OUTPUT([
 	Makefile
-	src/libtbm-dumb/Makefile
-	src/libhal-backend-tbm-dumb/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 "LIBHAL_BACKEND_TBM_DUMB_CFLAGS : $LIBHAL_BACKEND_TBM_DUMB_CFLAGS"
 echo "LIBHAL_BACKEND_TBM_DUMB_LIBS   : $LIBHAL_BACKEND_TBM_DUMB_LIBS"
-echo "hal-libdir : $HAL_LIBDIR"
+echo "HAL_LIBDIR : $HAL_LIBDIR"
 echo ""
 
diff --git a/packaging/libhal-backend-tbm-dumb.manifest b/packaging/hal-backend-tbm-dumb.manifest
index 97e8c31..97e8c31 100644
--- a/packaging/libhal-backend-tbm-dumb.manifest
+++ b/packaging/hal-backend-tbm-dumb.manifest
diff --git a/packaging/libtbm-dumb.spec b/packaging/hal-backend-tbm-dumb.spec
index e2c9128..000de8c 100644
--- a/packaging/libtbm-dumb.spec
+++ b/packaging/hal-backend-tbm-dumb.spec
@@ -1,13 +1,12 @@
-Name:           libtbm-dumb
+Name:           hal-backend-tbm-dumb
 Version:        3.0.3
 Release:        1
 License:        MIT
-Summary:        Tizen Buffer Manager - drm dumb backend
+Summary:        hal-backend-tbm module for drm dumb
 Group:          System/Libraries
 ExcludeArch:    i586
 Source0:        %{name}-%{version}.tar.gz
-Source1001:	%{name}.manifest
-Source1002:	libhal-backend-tbm-dumb.manifest
+Source1001:     %{name}.manifest
 
 BuildRequires:  pkgconfig(libdrm)
 BuildRequires:  pkgconfig(libtbm)
@@ -17,27 +16,17 @@ BuildRequires:  pkgconfig(dlog)
 BuildRequires:  pkgconfig(libudev)
 
 %description
-descriptionion: Tizen Buffer manager backend module uses drm dumb
-
-%package -n hal-backend-tbm-dumb
-Summary:	hal-backend-tbm module for drm dumb
-Group:		System/Libraries
-Requires:	hal-api-tbm
-Requires:	hal-api-common
-
-%description -n hal-backend-tbm-dumb
-descriptionion: hal tbm backend module for drm dumb
+description: hal tbm backend module for drm dumb
 
 %global TZ_SYS_RO_SHARE  %{?TZ_SYS_RO_SHARE:%TZ_SYS_RO_SHARE}%{!?TZ_SYS_RO_SHARE:/usr/share}
 
 %prep
 %setup -q
 cp %{SOURCE1001} .
-cp %{SOURCE1002} .
 
 %build
 
-%reconfigure --prefix=%{_prefix} --libdir=%{_libdir}/bufmgr \
+%reconfigure --prefix=%{_prefix} --libdir=%{_libdir} \
 			--with-hal-libdir=%{_hal_libdir} \
 			--disable-cachectrl \
 			CFLAGS="${CFLAGS} -Wall -Werror" LDFLAGS="${LDFLAGS} -Wl,--hash-style=both -Wl,--as-needed"
@@ -53,29 +42,15 @@ mkdir -p %{buildroot}%{_hal_licensedir}/libhal-backend-tbm-dumb
 cp -af COPYING %{buildroot}%{_hal_licensedir}/libhal-backend-tbm-dumb
 
 %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
-
-%post -n hal-backend-tbm-dumb
 if [ -f %{_hal_libdir}/libhal-backend-tbm.so ]; then
     rm -rf %{_hal_libdir}/libhal-backend-tbm.so
 fi
 ln -s libhal-backend-tbm-dumb.so %{_hal_libdir}/libhal-backend-tbm.so
 
-%postun -n hal-backend-tbm-dumb -p /sbin/ldconfig
+%postun -p /sbin/ldconfig
 
 %files
 %manifest %{name}.manifest
 %defattr(-,root,root,-)
-%license COPYING
-%{_libdir}/bufmgr/libtbm_*.so*
-
-%files -n hal-backend-tbm-dumb
-%manifest libhal-backend-tbm-dumb.manifest
-%defattr(-,root,root,-)
 %{_hal_licensedir}/libhal-backend-tbm-dumb/COPYING
 %{_hal_libdir}/libhal-backend-*.so*
diff --git a/packaging/libtbm-dumb.manifest b/packaging/libtbm-dumb.manifest
deleted file mode 100644
index 97e8c31..0000000
--- a/packaging/libtbm-dumb.manifest
+++ /dev/null
@@ -1,5 +0,0 @@
-<manifest>
-	<request>
-		<domain name="_"/>
-	</request>
-</manifest>
diff --git a/src/Makefile.am b/src/Makefile.am
index cc3d8b2..af42aed 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1 +1,12 @@
-SUBDIRS = libtbm-dumb libhal-backend-tbm-dumb
\ No newline at end of file
+AM_CFLAGS = \
+	@LIBHAL_BACKEND_TBM_DUMB_CFLAGS@ \
+	-I$(top_srcdir) \
+	-I$(top_srcdir)/src
+
+libhal_backend_tbm_dumb_la_LTLIBRARIES = libhal-backend-tbm-dumb.la
+libhal_backend_tbm_dumb_ladir = @HAL_LIBDIR@
+libhal_backend_tbm_dumb_la_LIBADD = @LIBHAL_BACKEND_TBM_DUMB_LIBS@
+
+libhal_backend_tbm_dumb_la_SOURCES = \
+	tbm_backend_log.c \
+	tbm_backend_dumb.c
diff --git a/src/libhal-backend-tbm-dumb/Makefile.am b/src/libhal-backend-tbm-dumb/Makefile.am
deleted file mode 100644
index 49c90cb..0000000
--- a/src/libhal-backend-tbm-dumb/Makefile.am
+++ /dev/null
@@ -1,12 +0,0 @@
-AM_CFLAGS = \
-	@LIBHAL_BACKEND_TBM_DUMB_CFLAGS@ \
-	-I$(top_srcdir) \
-	-I$(top_srcdir)/src/libhal-backend-tbm-dumb
-
-libhal_backend_tbm_dumb_la_LTLIBRARIES = libhal-backend-tbm-dumb.la
-libhal_backend_tbm_dumb_ladir = @HAL_LIBDIR@
-libhal_backend_tbm_dumb_la_LIBADD = @LIBHAL_BACKEND_TBM_DUMB_LIBS@
-
-libhal_backend_tbm_dumb_la_SOURCES = \
-	tbm_backend_log.c \
-	tbm_backend_dumb.c
diff --git a/src/libtbm-dumb/Makefile.am b/src/libtbm-dumb/Makefile.am
deleted file mode 100644
index 864f44b..0000000
--- a/src/libtbm-dumb/Makefile.am
+++ /dev/null
@@ -1,11 +0,0 @@
-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/libtbm-dumb/tbm_bufmgr_dumb.c b/src/libtbm-dumb/tbm_bufmgr_dumb.c
deleted file mode 100644
index 9a9867c..0000000
--- a/src/libtbm-dumb/tbm_bufmgr_dumb.c
+++ /dev/null
@@ -1,1620 +0,0 @@
-/**************************************************************************
-
-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 <libudev.h>
-
-#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 <pthread.h>
-#include <tbm_backend.h>
-#include <tbm_drm_helper.h>
-#include <tbm_log.h>
-
-#define USE_DMAIMPORT
-#define TBM_COLOR_FORMAT_COUNT 4
-
-#define STRERR_BUFSIZE 128
-
-#define SIZE_ALIGN(value, base) (((value) + ((base) - 1)) & ~((base) - 1))
-
-#define TBM_SURFACE_ALIGNMENT_PLANE (64)
-#define TBM_SURFACE_ALIGNMENT_PITCH_RGB (128)
-#define TBM_SURFACE_ALIGNMENT_PITCH_YUV (16)
-
-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;
-
-/* 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;
-
-	pthread_mutex_t mutex;
-	struct dma_buf_fence dma_fence[DMA_FENCE_LIST_MAX];
-	int device;
-	int opt;
-
-	tbm_bufmgr_dumb bufmgr_dumb;
-};
-
-/* tbm bufmgr private for dumb */
-struct _tbm_bufmgr_dumb {
-	int fd;
-	void* hashBos;
-
-	int use_dma_fence;
-
-	char *device_name;
-	void *bind_display;
-
-	tbm_backend_bufmgr_func *bufmgr_func;
-	tbm_backend_bo_func *bo_func;
-
-	tbm_bufmgr bufmgr;
-};
-
-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_ARGB8888,
-									TBM_FORMAT_XRGB8888,
-									TBM_FORMAT_NV12,
-									TBM_FORMAT_YUV420
-									};
-
-
-static int
-_tbm_dumb_open_drm()
-{
-	struct udev *udev = NULL;
-	struct udev_enumerate *e = NULL;
-	struct udev_list_entry *entry = NULL;
-	struct udev_device *device = NULL, *drm_device = NULL, *pci = NULL;
-	const char *filepath, *id;
-	struct stat s;
-	int fd = -1;
-	int ret;
-
-	udev = udev_new();
-	if (!udev) {
-		TBM_ERR("udev_new() failed.\n");
-		return -1;
-	}
-
-	e = udev_enumerate_new(udev);
-	udev_enumerate_add_match_subsystem(e, "drm");
-	udev_enumerate_add_match_sysname(e, "card[0-9]*");
-	udev_enumerate_scan_devices(e);
-
-	drm_device = NULL;
-	udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(e)) {
-		filepath = udev_list_entry_get_name(entry);
-		device = udev_device_new_from_syspath(udev, filepath);
-		if (!device)
-			continue;
-
-		pci = udev_device_get_parent_with_subsystem_devtype(device, "pci", NULL);
-		if (pci) {
-			id = udev_device_get_sysattr_value(pci, "boot_vga");
-			if (id && !strcmp(id, "1")) {
-				if (drm_device)
-				udev_device_unref(drm_device);
-				drm_device = device;
-				break;
-			}
-		}
-
-		if (!drm_device)
-			drm_device = device;
-		else
-			udev_device_unref(device);
-	}
-
-	udev_enumerate_unref(e);
-
-	/* Get device file path. */
-	filepath = udev_device_get_devnode(drm_device);
-	if (!filepath) {
-		TBM_ERR("udev_device_get_devnode() failed.\n");
-		udev_device_unref(drm_device);
-		udev_unref(udev);
-		return -1;
-	}
-
-	/* Open DRM device file and check validity. */
-	fd = open(filepath, O_RDWR | O_CLOEXEC);
-	if (fd < 0) {
-		TBM_ERR("open(%s, O_RDWR | O_CLOEXEC) failed.\n");
-		udev_device_unref(drm_device);
-		udev_unref(udev);
-		return -1;
-	}
-
-	ret = fstat(fd, &s);
-	if (ret) {
-		TBM_ERR("fstat() failed %s.\n");
-		close(fd);
-		udev_device_unref(drm_device);
-		udev_unref(udev);
-		return -1;
-	}
-
-	udev_device_unref(drm_device);
-	udev_unref(udev);
-
-	return fd;
-}
-
-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_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_ERR("fail to DRM_IOCTL_GEM_FLINK gem:%d", 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_ERR("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_ERR("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) {
-			struct drm_prime_handle arg = {0, };
-
-			arg.handle = bo_dumb->gem;
-			if (drmIoctl(bo_dumb->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg)) {
-				TBM_ERR("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_ERR("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_ERR("Not supported device:%d\n", device);
-		bo_handle.ptr = (void *) NULL;
-		break;
-	}
-
-	return bo_handle;
-}
-
-#ifdef USE_CACHE
-static int
-_dumb_cache_flush(int fd, tbm_bo_dumb bo_dumb, int flags)
-{
-	TBM_ERR("warning fail to flush the cache.\n");
-	return 1;
-}
-#endif
-
-static tbm_bufmgr_capability
-tbm_dumb_bufmgr_get_capabilities(tbm_backend_bufmgr_data *bufmgr_data, tbm_error_e *error)
-{
-	tbm_bufmgr_capability capabilities = TBM_BUFMGR_CAPABILITY_NONE;
-
-	capabilities = TBM_BUFMGR_CAPABILITY_SHARE_KEY|TBM_BUFMGR_CAPABILITY_SHARE_FD;
-
-	if (error)
-		*error = TBM_ERROR_NONE;
-
-	return capabilities;
-}
-
-static tbm_error_e
-tbm_dumb_bufmgr_bind_native_display(tbm_backend_bufmgr_data *bufmgr_data, tbm_native_display *native_display)
-{
-	tbm_bufmgr_dumb bufmgr_dumb = (tbm_bufmgr_dumb)bufmgr_data;
-	TBM_RETURN_VAL_IF_FAIL(bufmgr_dumb != NULL, TBM_ERROR_INVALID_PARAMETER);
-
-	if (!tbm_drm_helper_wl_auth_server_init(native_display, bufmgr_dumb->fd,
-					   bufmgr_dumb->device_name, 0)) {
-		TBM_ERR("fail to tbm_drm_helper_wl_server_init\n");
-		return TBM_ERROR_INVALID_OPERATION;
-	}
-
-	bufmgr_dumb->bind_display = native_display;
-
-	return TBM_ERROR_NONE;
-}
-
-static tbm_error_e
-tbm_dumb_bufmgr_get_supported_formats(tbm_backend_bufmgr_data *bufmgr_data,
-							uint32_t **formats, uint32_t *num)
-{
-	tbm_bufmgr_dumb bufmgr_dumb = (tbm_bufmgr_dumb)bufmgr_data;
-	uint32_t *color_formats;
-
-	TBM_RETURN_VAL_IF_FAIL(bufmgr_dumb != NULL, TBM_ERROR_INVALID_PARAMETER);
-
-	color_formats = (uint32_t *)calloc(1, sizeof(uint32_t) * TBM_COLOR_FORMAT_COUNT);
-	if (color_formats == NULL)
-		return TBM_ERROR_OUT_OF_MEMORY;
-
-	memcpy(color_formats, tbm_dumb_color_format_list, sizeof(uint32_t)*TBM_COLOR_FORMAT_COUNT);
-
-	*formats = color_formats;
-	*num = TBM_COLOR_FORMAT_COUNT;
-
-	TBM_DBG("supported format count = %d\n", *num);
-
-	return TBM_ERROR_NONE;
-}
-
-static tbm_error_e
-tbm_dumb_bufmgr_get_plane_data(tbm_backend_bufmgr_data *bufmgr_data,
-							tbm_format format, int plane_idx, int width,
-							int height, uint32_t *size, uint32_t *offset,
-							uint32_t *pitch, int *bo_idx)
-{
-	tbm_bufmgr_dumb bufmgr_dumb = (tbm_bufmgr_dumb)bufmgr_data;
-	int bpp;
-	int _offset = 0;
-	int _pitch = 0;
-	int _size = 0;
-	int _bo_idx = 0;
-
-	TBM_RETURN_VAL_IF_FAIL(bufmgr_dumb != NULL, TBM_ERROR_INVALID_PARAMETER);
-
-	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:
-	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;
-			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 / 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);
-			_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;
-		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 TBM_ERROR_NONE;
-}
-
-static tbm_backend_bo_data *
-tbm_dumb_bufmgr_alloc_bo(tbm_backend_bufmgr_data *bufmgr_data, unsigned int size,
-					tbm_bo_memory_type flags, tbm_error_e *error)
-{
-	tbm_bufmgr_dumb bufmgr_dumb = (tbm_bufmgr_dumb)bufmgr_data;
-	tbm_bo_dumb bo_dumb;
-	unsigned int dumb_flags;
-
-	if (bufmgr_dumb == NULL) {
-		TBM_ERR("bufmgr_data is null\n");
-		if (error)
-			*error = TBM_ERROR_INVALID_PARAMETER;
-		return NULL;
-	}
-
-	bo_dumb = calloc(1, sizeof(struct _tbm_bo_dumb));
-	if (!bo_dumb) {
-		TBM_ERR("fail to allocate the bo_dumb private\n");
-		if (error)
-			*error = TBM_ERROR_OUT_OF_MEMORY;
-		return NULL;
-	}
-	bo_dumb->bufmgr_dumb = bufmgr_dumb;
-
-	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_ERR("Cannot create bo_dumb(flag:%x, size:%d)\n", arg.flags,
-			       (unsigned int)size);
-		free(bo_dumb);
-		if (error)
-			*error = TBM_ERROR_INVALID_OPERATION;
-		return NULL;
-	}
-
-	bo_dumb->fd = bufmgr_dumb->fd;
-	bo_dumb->gem = arg.handle;
-	bo_dumb->size = arg.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_ERR("Cannot dmabuf=%d\n", bo_dumb->gem);
-			free(bo_dumb);
-			if (error)
-				*error = TBM_ERROR_INVALID_OPERATION;
-			return NULL;
-		}
-		bo_dumb->dmabuf = arg.fd;
-	}
-
-	/* add bo to hash */
-	if (drmHashInsert(bufmgr_dumb->hashBos, bo_dumb->name, (void *)bo_dumb) < 0)
-		TBM_ERR("error Cannot insert bo to Hash(%d)\n", bo_dumb->name);
-
-	TBM_DBG("     bo_dumb:%p, gem:%d(%d), flags:%d(%d), size:%d\n",
-		bo_dumb,
-		bo_dumb->gem, bo_dumb->name,
-	    bo_dumb->flags_tbm,
-		bo_dumb->size);;
-
-	if (error)
-		*error = TBM_ERROR_NONE;
-
-	return (tbm_backend_bo_data *)bo_dumb;
-}
-
-static tbm_backend_bo_data *
-tbm_dumb_bufmgr_import_fd(tbm_backend_bufmgr_data *bufmgr_data, tbm_fd key, tbm_error_e *error)
-{
-	tbm_bufmgr_dumb bufmgr_dumb = (tbm_bufmgr_dumb)bufmgr_data;
-	tbm_bo_dumb bo_dumb;
-	unsigned int gem = 0;
-	unsigned int name;
-	int ret;
-	char buf[STRERR_BUFSIZE];
-
-	if (bufmgr_dumb == NULL) {
-		TBM_ERR("bufmgr_data is null\n");
-		if (error)
-			*error = TBM_ERROR_INVALID_PARAMETER;
-		return NULL;
-	}
-
-	//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_ERR("Cannot get gem handle from fd:%d (%s)\n",
-			       arg.fd, strerror_r(errno, buf, STRERR_BUFSIZE));
-		if (error)
-			*error = TBM_ERROR_INVALID_OPERATION;
-		return NULL;
-	}
-	gem = arg.handle;
-
-	name = _get_name(bufmgr_dumb->fd, gem);
-	if (name == 0) {
-		TBM_ERR("Cannot get name from gem:%d, fd:%d (%s)\n",
-			       gem, key, strerror_r(errno, buf, STRERR_BUFSIZE));
-		if (error)
-			*error = TBM_ERROR_INVALID_OPERATION;
-		return NULL;
-	}
-
-	ret = drmHashLookup(bufmgr_dumb->hashBos, name, (void **)&bo_dumb);
-	if (ret == 0) {
-		if (gem == bo_dumb->gem) {
-			if (error)
-				*error = TBM_ERROR_NONE;
-			return bo_dumb;
-		}
-	}
-
-	/* 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). */
-	unsigned int real_size = -1;
-	struct drm_gem_open open_arg = {0, };
-
-	real_size = lseek(key, 0, SEEK_END);
-
-	/* Open the same GEM object only for finding out its size */
-	open_arg.name = name;
-	if (drmIoctl(bufmgr_dumb->fd, DRM_IOCTL_GEM_OPEN, &open_arg)) {
-		TBM_ERR("Cannot get gem info from gem:%d, fd:%d (%s)\n",
-			       gem, key, strerror_r(errno, buf, STRERR_BUFSIZE));
-		if (error)
-			*error = TBM_ERROR_INVALID_OPERATION;
-		return NULL;
-	}
-
-	/* Free gem handle to avoid a memory leak*/
-	struct drm_gem_close gem_close;
-	gem_close.handle = open_arg.handle;
-	if (drmIoctl(bufmgr_dumb->fd, DRM_IOCTL_GEM_CLOSE, &gem_close)) {
-		TBM_ERR("Cannot close gem_handle.\n",
-			      strerror_r(errno, buf, STRERR_BUFSIZE));
-		if (error)
-			*error = TBM_ERROR_INVALID_OPERATION;
-		return NULL;
-	}
-
-	if (real_size == -1)
-		real_size = open_arg.size;
-
-	bo_dumb = calloc(1, sizeof(struct _tbm_bo_dumb));
-	if (!bo_dumb) {
-		TBM_ERR("bo_dumb:%p fail to allocate the bo_dumb\n", bo_dumb);
-		if (error)
-			*error = TBM_ERROR_OUT_OF_MEMORY;
-		return NULL;
-	}
-	bo_dumb->bufmgr_dumb = bufmgr_dumb;
-
-	bo_dumb->fd = bufmgr_dumb->fd;
-	bo_dumb->gem = gem;
-	bo_dumb->dmabuf = 0;
-	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 = name;
-
-	/* add bo_dumb to hash */
-	if (drmHashInsert(bufmgr_dumb->hashBos, bo_dumb->name, (void *)bo_dumb) < 0)
-		TBM_ERR("bo_dumb:%p Cannot insert bo_dumb to Hash(%d) from gem:%d, fd:%d\n",
-			       bo_dumb, bo_dumb->name, gem, key);
-
-	TBM_DBG(" bo_dumb:%p, gem:%d(%d), fd:%d, key_fd:%d, flags:%d, size:%d\n",
-	    bo_dumb,
-	    bo_dumb->gem, bo_dumb->name,
-	    bo_dumb->dmabuf,
-	    key,
-	    bo_dumb->flags_tbm,
-	    bo_dumb->size);
-
-	if (error)
-		*error = TBM_ERROR_NONE;
-
-	return (tbm_backend_bo_data *)bo_dumb;
-}
-
-static tbm_backend_bo_data *
-tbm_dumb_bufmgr_import_key(tbm_backend_bufmgr_data *bufmgr_data, tbm_key key, tbm_error_e *error)
-{
-	tbm_bufmgr_dumb bufmgr_dumb = (tbm_bufmgr_dumb)bufmgr_data;
-	tbm_bo_dumb bo_dumb;
-	int ret;
-
-	if (bufmgr_dumb == NULL) {
-		TBM_ERR("bufmgr_data is null\n");
-		if (error)
-			*error = TBM_ERROR_INVALID_PARAMETER;
-		return NULL;
-	}
-
-	ret = drmHashLookup(bufmgr_dumb->hashBos, key, (void **)&bo_dumb);
-	if (ret == 0) {
-		if (error)
-			*error = TBM_ERROR_NONE;
-		return (tbm_backend_bo_data *)bo_dumb;
-	}
-
-	struct drm_gem_open arg = {0, };
-
-	arg.name = key;
-	if (drmIoctl(bufmgr_dumb->fd, DRM_IOCTL_GEM_OPEN, &arg)) {
-		TBM_ERR("Cannot open gem name=%d\n", key);
-		if (error)
-			*error = TBM_ERROR_INVALID_OPERATION;
-		return NULL;
-	}
-
-	bo_dumb = calloc(1, sizeof(struct _tbm_bo_dumb));
-	if (!bo_dumb) {
-		TBM_ERR("fail to allocate the bo_dumb private\n");
-		if (error)
-			*error = TBM_ERROR_OUT_OF_MEMORY;
-		return NULL;
-	}
-	bo_dumb->bufmgr_dumb = bufmgr_dumb;
-
-	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_ERR("fail to DRM_IOCTL_PRIME_HANDLE_TO_FD gem=%d\n", bo_dumb->gem);
-			if (error)
-				*error = TBM_ERROR_INVALID_OPERATION;
-			free(bo_dumb);
-			return NULL;
-		}
-		bo_dumb->dmabuf = arg.fd;
-	}
-
-	/* add bo to hash */
-	if (drmHashInsert(bufmgr_dumb->hashBos, bo_dumb->name, (void *)bo_dumb) < 0)
-		TBM_ERR("Cannot insert bo_dumb to Hash(%d)\n", bo_dumb->name);
-
-	TBM_DBG("    bo_dumb:%p, gem:%d(%d), fd:%d, flags:%d(%d), size:%d\n",
-	    bo_dumb,
-	    bo_dumb->gem, bo_dumb->name,
-	    bo_dumb->dmabuf,
-	    bo_dumb->flags_tbm,
-	    bo_dumb->size);
-
-	if (error)
-		*error = TBM_ERROR_NONE;
-
-	return (tbm_backend_bo_data *)bo_dumb;
-}
-
-static void
-tbm_dumb_bo_free(tbm_backend_bo_data *bo_data)
-{
-	tbm_bo_dumb bo_dumb = (tbm_bo_dumb)bo_data;
-	tbm_bo_dumb temp;
-	tbm_bufmgr_dumb bufmgr_dumb;
-	char buf[STRERR_BUFSIZE];
-	int ret;
-
-	if (!bo_data)
-		return;
-
-	bufmgr_dumb = bo_dumb->bufmgr_dumb;
-	if (!bufmgr_dumb)
-		return;
-
-	TBM_DBG("      bo_dumb:%p, gem:%d(%d), fd:%d, size:%d\n",
-	    bo_dumb,
-	    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_ERR("bo_dumb:%p fail to munmap(%s)\n",
-				       bo_dumb, strerror_r(errno, buf, STRERR_BUFSIZE));
-		}
-	}
-
-	/* close dmabuf */
-	if (bo_dumb->dmabuf) {
-		close(bo_dumb->dmabuf);
-		bo_dumb->dmabuf = 0;
-	}
-
-	/* delete bo from hash */
-	ret = drmHashLookup(bufmgr_dumb->hashBos, bo_dumb->name, (void**)&temp);
-	if (ret == 0)
-		drmHashDelete(bufmgr_dumb->hashBos, bo_dumb->name);
-	else
-		TBM_ERR("Cannot find bo_dumb to Hash(%d), ret=%d\n", bo_dumb->name, ret);
-
-	if (temp != bo_dumb)
-		TBM_ERR("hashBos probably has several BOs with same name!!!\n");
-
-	/* 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_ERR("bo_dumb:%p fail to gem close.(%s)\n",
-			       bo_dumb, strerror_r(errno, buf, STRERR_BUFSIZE));
-
-	free(bo_dumb);
-}
-
-static int
-tbm_dumb_bo_get_size(tbm_backend_bo_data *bo_data, tbm_error_e *error)
-{
-	tbm_bo_dumb bo_dumb = (tbm_bo_dumb)bo_data;
-
-	if (!bo_dumb) {
-		if (error)
-			*error = TBM_ERROR_INVALID_PARAMETER;
-		return 0;
-	}
-
-	if (error)
-		*error = TBM_ERROR_NONE;
-
-	return bo_dumb->size;
-}
-
-static tbm_bo_memory_type
-tbm_dumb_bo_get_memory_type(tbm_backend_bo_data *bo_data, tbm_error_e *error)
-{
-	tbm_bo_dumb bo_dumb = (tbm_bo_dumb)bo_data;
-
-	if (!bo_dumb) {
-		if (error)
-			*error = TBM_ERROR_INVALID_PARAMETER;
-		return TBM_BO_DEFAULT;
-	}
-
-	if (error)
-		*error = TBM_ERROR_NONE;
-
-	return bo_dumb->flags_tbm;
-}
-
-static tbm_bo_handle
-tbm_dumb_bo_get_handle(tbm_backend_bo_data *bo_data, tbm_bo_device_type device, tbm_error_e *error)
-{
-	tbm_bo_dumb bo_dumb = (tbm_bo_dumb)bo_data;
-	tbm_bo_handle bo_handle;
-
-	if (!bo_dumb) {
-		if (error)
-			*error = TBM_ERROR_INVALID_PARAMETER;
-		return (tbm_bo_handle) NULL;
-	}
-
-	if (!bo_dumb->gem) {
-		TBM_ERR("Cannot map gem=%d\n", bo_dumb->gem);
-		if (error)
-			*error = TBM_ERROR_INVALID_PARAMETER;
-		return (tbm_bo_handle) NULL;
-	}
-
-	TBM_DBG("bo_dumb:%p, gem:%d(%d), fd:%d, flags:%d, size:%d, %s\n",
-	    bo_dumb,
-	    bo_dumb->gem, bo_dumb->name,
-	    bo_dumb->dmabuf,
-	    bo_dumb->flags_tbm,
-	    bo_dumb->size,
-	    STR_DEVICE[device]);
-
-	/*Get mapped bo_handle*/
-	bo_handle = _dumb_bo_handle(bo_dumb, device);
-	if (bo_handle.ptr == NULL) {
-		TBM_ERR("Cannot get handle: gem:%d, device:%d\n",
-			bo_dumb->gem, device);
-		if (error)
-			*error = TBM_ERROR_INVALID_OPERATION;
-		return (tbm_bo_handle) NULL;
-	}
-
-	if (error)
-		*error = TBM_ERROR_NONE;
-
-	return bo_handle;
-}
-
-static tbm_bo_handle
-tbm_dumb_bo_map(tbm_backend_bo_data *bo_data, tbm_bo_device_type device,
-				tbm_bo_access_option opt, tbm_error_e *error)
-{
-	tbm_bo_dumb bo_dumb = (tbm_bo_dumb)bo_data;
-	tbm_bo_handle bo_handle;
-	tbm_bufmgr_dumb bufmgr_dumb;
-
-	if (!bo_dumb) {
-		if (error)
-			*error = TBM_ERROR_INVALID_PARAMETER;
-		return (tbm_bo_handle) NULL;
-	}
-
-	bufmgr_dumb = bo_dumb->bufmgr_dumb;
-	if (!bufmgr_dumb) {
-		if (error)
-			*error = TBM_ERROR_INVALID_PARAMETER;
-		return (tbm_bo_handle) NULL;
-	}
-
-	if (!bo_dumb->gem) {
-		TBM_ERR("Cannot map gem=%d\n", bo_dumb->gem);
-		if (error)
-			*error = TBM_ERROR_INVALID_PARAMETER;
-		return (tbm_bo_handle) NULL;
-	}
-
-	TBM_DBG("       bo_dumb:%p, gem:%d(%d), fd:%d, %s, %s\n",
-	    bo_dumb,
-	    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_ERR("Cannot get handle: gem:%d, device:%d, opt:%d\n",
-			       bo_dumb->gem, device, opt);
-		if (error)
-			*error = TBM_ERROR_INVALID_PARAMETER;
-		return (tbm_bo_handle) NULL;
-	}
-
-	if (error)
-		*error = TBM_ERROR_NONE;
-
-	return bo_handle;
-}
-
-static tbm_error_e
-tbm_dumb_bo_unmap(tbm_backend_bo_data *bo_data)
-{
-	tbm_bo_dumb bo_dumb = (tbm_bo_dumb)bo_data;
-	tbm_bufmgr_dumb bufmgr_dumb;
-
-	if (!bo_dumb)
-		return TBM_ERROR_INVALID_PARAMETER;
-
-	bufmgr_dumb = bo_dumb->bufmgr_dumb;
-	if (!bufmgr_dumb)
-		return TBM_ERROR_INVALID_PARAMETER;
-
-	if (!bo_dumb->gem)
-		return TBM_ERROR_INVALID_PARAMETER;
-
-	TBM_DBG("     bo_dumb:%p, gem:%d(%d), fd:%d\n",
-	    bo_dumb,
-	    bo_dumb->gem, bo_dumb->name,
-	    bo_dumb->dmabuf);
-
-	return TBM_ERROR_NONE;
-}
-
-static tbm_error_e
-tbm_dumb_bo_lock(tbm_backend_bo_data *bo_data, tbm_bo_device_type device,
-				tbm_bo_access_option opt)
-{
-#if USE_BACKEND_LOCK
-	tbm_bo_dumb bo_dumb = (tbm_bo_dumb)bo_data;
-	tbm_bufmgr_dumb bufmgr_dumb;
-	struct dma_buf_fence fence;
-	struct flock filelock;
-	int ret = 0;
-	char buf[STRERR_BUFSIZE];
-
-	if (!bo_dumb)
-		return TBM_ERROR_INVALID_PARAMETER;
-
-	bufmgr_dumb = bo_dumb->bufmgr_dumb;
-	if (!bufmgr_dumb)
-		return TBM_ERROR_INVALID_PARAMETER;
-
-	if (device != TBM_DEVICE_3D && device != TBM_DEVICE_CPU) {
-		TBM_DBG("Not support device type,\n");
-		return TBM_ERROR_INVALID_OPERATION;
-	}
-
-	if (!bufmgr_dumb->use_dma_fence)
-		return TBM_ERROR_INVALID_OPERATION;
-
-	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_ERR("error Invalid argument\n");
-		return TBM_ERROR_INVALID_PARAMETER;
-	}
-
-	/* Check if the tbm manager supports dma fence or not. */
-	if (!bufmgr_dumb->use_dma_fence) {
-		TBM_ERR("Not support DMA FENCE(%s)\n", strerror_r(errno, buf, STRERR_BUFSIZE));
-		return TBM_ERROR_INVALID_OPERATION;
-	}
-
-	if (device == TBM_DEVICE_3D) {
-		ret = ioctl(bo_dumb->dmabuf, DMABUF_IOCTL_GET_FENCE, &fence);
-		if (ret < 0) {
-			TBM_ERR("Cannot set GET FENCE(%s)\n", strerror_r(errno, buf, STRERR_BUFSIZE));
-			return TBM_ERROR_INVALID_OPERATION;
-		}
-	} 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 TBM_ERROR_INVALID_OPERATION;
-	}
-
-	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_ERR("fence list is full\n");
-		}
-	}
-
-	pthread_mutex_unlock(&bo_dumb->mutex);
-
-	TBM_DBG("DMABUF_IOCTL_GET_FENCE! bo_dumb:%p, gem:%d(%d), fd:%ds\n",
-	    bo_dumb,
-	    bo_dumb->gem, bo_dumb->name,
-	    bo_dumb->dmabuf);
-#endif
-
-	return TBM_ERROR_NONE;
-}
-
-static tbm_error_e
-tbm_dumb_bo_unlock(tbm_backend_bo_data *bo_data)
-{
-#if USE_BACKEND_LOCK
-	tbm_bo_dumb bo_dumb = (tbm_bo_dumb)bo_data;
-	struct dma_buf_fence fence;
-	struct flock filelock;
-	unsigned int dma_type = 0;
-	int ret = 0;
-	char buf[STRERR_BUFSIZE];
-
-	bufmgr_dumb = bo_dumb->bufmgr_dumb;
-	if (!bufmgr_dumb)
-		return TBM_ERROR_INVALID_PARAMETER;
-
-	if (!bufmgr_dumb->use_dma_fence)
-		return TBM_ERROR_INVALID_OPERATION;
-
-	if (bo_dumb->dma_fence[0].type & DMA_BUF_ACCESS_DMA)
-		dma_type = 1;
-
-	if (!bo_dumb->dma_fence[0].ctx && dma_type) {
-		TBM_DBG("FENCE not support or ignored,\n");
-		return TBM_ERROR_INVALID_OPERATION;
-	}
-
-	if (!bo_dumb->dma_fence[0].ctx && dma_type) {
-		TBM_DBG("device type is not 3D/CPU,\n");
-		return TBM_ERROR_INVALID_OPERATION;
-	}
-
-	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_ERR("Can not set PUT FENCE(%s)\n", strerror_r(errno, buf, STRERR_BUFSIZE));
-			return TBM_ERROR_INVALID_OPERATION;
-		}
-	} 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 TBM_ERROR_INVALID_OPERATION;
-	}
-
-	TBM_DBG("DMABUF_IOCTL_PUT_FENCE! bo_dumb:%p, gem:%d(%d), fd:%ds\n",
-	    bo_dumb,
-	    bo_dumb->gem, bo_dumb->name,
-	    bo_dumb->dmabuf);
-#endif
-
-	return TBM_ERROR_NONE;
-}
-
-tbm_fd
-tbm_dumb_bo_export_fd(tbm_backend_bo_data *bo_data, tbm_error_e *error)
-{
-	tbm_bo_dumb bo_dumb = (tbm_bo_dumb)bo_data;
-	int ret;
-	char buf[STRERR_BUFSIZE];
-
-	if (!bo_dumb) {
-		if (error)
-			*error = TBM_ERROR_INVALID_PARAMETER;
-		return -1;
-	}
-
-	struct drm_prime_handle arg = {0, };
-
-	arg.handle = bo_dumb->gem;
-	ret = drmIoctl(bo_dumb->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg);
-	if (ret) {
-		TBM_ERR("bo_dumb:%p Cannot dmabuf=%d (%s)\n",
-			       bo_dumb, bo_dumb->gem, strerror_r(errno, buf, STRERR_BUFSIZE));
-		if (error)
-			*error = TBM_ERROR_INVALID_OPERATION;
-		return (tbm_fd) ret;
-	}
-
-	TBM_DBG(" bo_dumb:%p, gem:%d(%d), fd:%d, key_fd:%d, flags:%d, size:%d\n",
-	    bo_dumb,
-	    bo_dumb->gem, bo_dumb->name,
-	    bo_dumb->dmabuf,
-	    arg.fd,
-	    bo_dumb->flags_tbm,
-	    bo_dumb->size);
-
-	if (error)
-		*error = TBM_ERROR_NONE;
-
-	return (tbm_fd)arg.fd;
-}
-
-static tbm_key
-tbm_dumb_bo_export_key(tbm_backend_bo_data *bo_data, tbm_error_e *error)
-{
-	tbm_bo_dumb bo_dumb = (tbm_bo_dumb)bo_data;
-
-	if (!bo_dumb) {
-		if (error)
-			*error = TBM_ERROR_INVALID_PARAMETER;
-		return 0;
-	}
-
-	if (!bo_dumb->name) {
-		bo_dumb->name = _get_name(bo_dumb->fd, bo_dumb->gem);
-		if (!bo_dumb->name) {
-			TBM_ERR("error Cannot get name\n");
-			if (error)
-				*error = TBM_ERROR_INVALID_PARAMETER;
-			return 0;
-		}
-	}
-
-	TBM_DBG("    bo_dumb:%p, gem:%d(%d), fd:%d, flags:%d, size:%d\n",
-	    bo_dumb,
-	    bo_dumb->gem, bo_dumb->name,
-	    bo_dumb->dmabuf,
-	    bo_dumb->flags_tbm,
-	    bo_dumb->size);
-
-	if (error)
-		*error = TBM_ERROR_NONE;
-
-	return (tbm_key)bo_dumb->name;
-}
-
-static void
-tbm_dumb_deinit(tbm_backend_bufmgr_data *bufmgr_data)
-{
-	tbm_bufmgr_dumb bufmgr_dumb = (tbm_bufmgr_dumb)bufmgr_data;
-	tbm_bufmgr bufmgr;
-	tbm_error_e error;
-	unsigned long key;
-	void *value;
-
-	TBM_RETURN_IF_FAIL(bufmgr_dumb != NULL);
-
-	bufmgr = bufmgr_dumb->bufmgr;
-
-	tbm_backend_bufmgr_free_bufmgr_func(bufmgr, bufmgr_dumb->bufmgr_func);
-	tbm_backend_bufmgr_free_bo_func(bufmgr, bufmgr_dumb->bo_func);
-
-	if (bufmgr_dumb->hashBos) {
-		while (drmHashFirst(bufmgr_dumb->hashBos, &key, &value) > 0) {
-			free(value);
-			drmHashDelete(bufmgr_dumb->hashBos, key);
-		}
-
-		drmHashDestroy(bufmgr_dumb->hashBos);
-		bufmgr_dumb->hashBos = NULL;
-	}
-
-	if (bufmgr_dumb->bind_display)
-		tbm_drm_helper_wl_auth_server_deinit();
-
-	if (bufmgr_dumb->device_name)
-		free(bufmgr_dumb->device_name);
-
-	if (tbm_backend_bufmgr_query_display_server(bufmgr, &error))
-		tbm_drm_helper_unset_tbm_master_fd();
-	else
-		tbm_drm_helper_unset_fd();
-
-	close(bufmgr_dumb->fd);
-
-	free(bufmgr_dumb);
-}
-
-static tbm_backend_bufmgr_data *
-tbm_dumb_init(tbm_bufmgr bufmgr, tbm_error_e *error)
-{
-	tbm_bufmgr_dumb bufmgr_dumb = NULL;
-	tbm_backend_bufmgr_func *bufmgr_func = NULL;
-	tbm_backend_bo_func *bo_func = NULL;
-	int fp;
-	int set_master = 0;
-	tbm_error_e err;
-	uint64_t cap = 0;
-	uint32_t ret;
-	int length;
-	char buf[1];
-
-	if (!bufmgr) {
-		TBM_ERR("bufmgr is null.\n");
-		if (error)
-			*error = TBM_ERROR_INVALID_PARAMETER;
-		return NULL;
-	}
-
-	bufmgr_dumb = calloc(1, sizeof(struct _tbm_bufmgr_dumb));
-	if (!bufmgr_dumb) {
-		TBM_ERR("fail to alloc bufmgr_dumb!\n");
-		if (error)
-			*error = TBM_ERROR_OUT_OF_MEMORY;
-		return NULL;
-	}
-
-	/* check the master_fd which already had opened */
-	bufmgr_dumb->fd = tbm_drm_helper_get_master_fd();
-	if (bufmgr_dumb->fd < 0) {
-		bufmgr_dumb->fd = _tbm_dumb_open_drm();
-		if (bufmgr_dumb->fd < 0) {
-			TBM_ERR("fail to open drm!\n");
-			if (error)
-				*error = TBM_ERROR_INVALID_OPERATION;
-			goto fail_open_drm;
-		}
-
-		if (drmIsMaster(bufmgr_dumb->fd)) {
-			tbm_drm_helper_set_tbm_master_fd(bufmgr_dumb->fd);
-			set_master = 1;
-
-			bufmgr_dumb->device_name = drmGetDeviceNameFromFd(bufmgr_dumb->fd);
-			if (!bufmgr_dumb->device_name) {
-				TBM_ERR("fail to get device name!\n");
-				tbm_drm_helper_unset_tbm_master_fd();
-				if (error)
-					*error = TBM_ERROR_INVALID_OPERATION;
-				goto fail_get_device_name;
-			}
-			TBM_ERR("This is Master FD(%d) from open_drm.", bufmgr_dumb->fd);
-		} else {
-			/* close the fd and get the authenticated fd from the master fd */
-			close(bufmgr_dumb->fd);
-			bufmgr_dumb->fd = -1;
-
-			/* get the authenticated drm fd from the master fd */
-			if (!tbm_drm_helper_get_auth_info(&(bufmgr_dumb->fd), &(bufmgr_dumb->device_name), NULL)) {
-				TBM_ERR("fail to get auth drm info!\n");
-				if (error)
-					*error = TBM_ERROR_INVALID_OPERATION;
-				goto fail_get_auth_info;
-			}
-			TBM_ERR("This is Authenticated FD(%d)", bufmgr_dumb->fd);
-		}
-	} else {
-		bufmgr_dumb->device_name = drmGetDeviceNameFromFd(bufmgr_dumb->fd);
-		if (!bufmgr_dumb->device_name) {
-			TBM_ERR("fail to get device name!\n");
-			tbm_drm_helper_unset_tbm_master_fd();
-			if (error)
-				*error = TBM_ERROR_INVALID_OPERATION;
-			goto fail_get_device_name;
-		}
-		TBM_ERR("This is Master FD from tbm_drm_helper_get_master_fd(%d)", bufmgr_dumb->fd);
-	}
-	tbm_drm_helper_set_fd(bufmgr_dumb->fd);
-
-	ret = drmGetCap(bufmgr_dumb->fd, DRM_CAP_DUMB_BUFFER, &cap);
-	if (ret || cap == 0) {
-		TBM_ERR("drm buffer isn't supported !\n");
-		if (error)
-			*error = TBM_ERROR_INVALID_OPERATION;
-		goto fail_get_cap;
-	}
-
-	//Check if the tbm manager supports dma fence or not.
-	fp = open("/sys/module/dmabuf_sync/parameters/enabled", O_RDONLY);
-	if (fp != -1) {
-		length = read(fp, buf, 1);
-
-		if (length == 1 && buf[0] == '1')
-			bufmgr_dumb->use_dma_fence = 1;
-
-		close(fp);
-	}
-
-	/*Create Hash Table*/
-	bufmgr_dumb->hashBos = drmHashCreate();
-
-	/* alloc and register bufmgr_funcs */
-	bufmgr_func = tbm_backend_bufmgr_alloc_bufmgr_func(bufmgr, &err);
-	if (!bufmgr_func) {
-		TBM_ERR("fail to alloc bufmgr_func! err(%d)\n", err);
-		if (error)
-			*error = TBM_ERROR_OUT_OF_MEMORY;
-		goto fail_alloc_bufmgr_func;
-	}
-
-	bufmgr_func->bufmgr_get_capabilities = tbm_dumb_bufmgr_get_capabilities;
-	//if (tbm_backend_bufmgr_query_display_server(bufmgr, &err) && !_check_render_node())
-	bufmgr_func->bufmgr_bind_native_display = tbm_dumb_bufmgr_bind_native_display;
-	bufmgr_func->bufmgr_get_supported_formats = tbm_dumb_bufmgr_get_supported_formats;
-	bufmgr_func->bufmgr_get_plane_data = tbm_dumb_bufmgr_get_plane_data;
-	bufmgr_func->bufmgr_alloc_bo = tbm_dumb_bufmgr_alloc_bo;
-	bufmgr_func->bufmgr_alloc_bo_with_format = NULL;
-	bufmgr_func->bufmgr_import_fd = tbm_dumb_bufmgr_import_fd;
-	bufmgr_func->bufmgr_import_key = tbm_dumb_bufmgr_import_key;
-
-	err = tbm_backend_bufmgr_register_bufmgr_func(bufmgr, bufmgr_func);
-	if (err != TBM_ERROR_NONE) {
-		TBM_ERR("fail to register bufmgr_func! err(%d)\n", err);
-		if (error)
-			*error = TBM_ERROR_INVALID_OPERATION;
-		goto fail_register_bufmgr_func;
-	}
-	bufmgr_dumb->bufmgr_func = bufmgr_func;
-
-	/* alloc and register bo_funcs */
-	bo_func = tbm_backend_bufmgr_alloc_bo_func(bufmgr, &err);
-	if (!bo_func) {
-		TBM_ERR("fail to alloc bo_func! err(%d)\n", err);
-		if (error)
-			*error = TBM_ERROR_OUT_OF_MEMORY;
-		goto fail_alloc_bo_func;
-	}
-
-	bo_func->bo_free = tbm_dumb_bo_free;
-	bo_func->bo_get_size = tbm_dumb_bo_get_size;
-	bo_func->bo_get_memory_types = tbm_dumb_bo_get_memory_type;
-	bo_func->bo_get_handle = tbm_dumb_bo_get_handle;
-	bo_func->bo_map = tbm_dumb_bo_map;
-	bo_func->bo_unmap = tbm_dumb_bo_unmap;
-	bo_func->bo_lock = tbm_dumb_bo_lock;
-	bo_func->bo_unlock = tbm_dumb_bo_unlock;
-	bo_func->bo_export_fd = tbm_dumb_bo_export_fd;
-	bo_func->bo_export_key = tbm_dumb_bo_export_key;
-
-	err = tbm_backend_bufmgr_register_bo_func(bufmgr, bo_func);
-	if (err != TBM_ERROR_NONE) {
-		TBM_ERR("fail to register bo_func! err(%d)\n", err);
-		if (error)
-			*error = TBM_ERROR_INVALID_OPERATION;
-		goto fail_register_bo_func;
-	}
-	bufmgr_dumb->bo_func = bo_func;
-
-	TBM_DBG("DMABUF FENCE is %s\n", bufmgr_dumb->use_dma_fence ? "supported!" : "NOT supported!");
-	TBM_DBG("drm_fd:%d\n", bufmgr_dumb->fd);
-
-	if (error)
-		*error = TBM_ERROR_NONE;
-
-	bufmgr_dumb->bufmgr = bufmgr;
-
-	return (tbm_backend_bufmgr_data *)bufmgr_dumb;
-
-fail_register_bo_func:
-	tbm_backend_bufmgr_free_bo_func(bufmgr, bo_func);
-fail_alloc_bo_func:
-fail_register_bufmgr_func:
-	tbm_backend_bufmgr_free_bufmgr_func(bufmgr, bufmgr_func);
-fail_alloc_bufmgr_func:
-	if (bufmgr_dumb->hashBos)
-		drmHashDestroy(bufmgr_dumb->hashBos);
-fail_get_cap:
-	if (bufmgr_dumb->device_name)
-		free(bufmgr_dumb->device_name);
-fail_get_device_name:
-	if (set_master)
-		tbm_drm_helper_unset_tbm_master_fd();
-	tbm_drm_helper_unset_fd();
-	if (bufmgr_dumb->fd >= 0)
-		close(bufmgr_dumb->fd);
-fail_get_auth_info:
-fail_open_drm:
-	free(bufmgr_dumb);
-	return NULL;
-}
-
-tbm_backend_module tbm_backend_module_data = {
-	"dumb",
-	"Samsung",
-	TBM_BACKEND_ABI_VERSION_3_0,
-	tbm_dumb_init,
-	tbm_dumb_deinit
-};
-
diff --git a/src/libhal-backend-tbm-dumb/tbm_backend_dumb.c b/src/tbm_backend_dumb.c
index b313a90..b313a90 100644
--- a/src/libhal-backend-tbm-dumb/tbm_backend_dumb.c
+++ b/src/tbm_backend_dumb.c
diff --git a/src/libhal-backend-tbm-dumb/tbm_backend_log.c b/src/tbm_backend_log.c
index f7c16ef..f7c16ef 100644
--- a/src/libhal-backend-tbm-dumb/tbm_backend_log.c
+++ b/src/tbm_backend_log.c
diff --git a/src/libhal-backend-tbm-dumb/tbm_backend_log.h b/src/tbm_backend_log.h
index 4e0eb65..4e0eb65 100644
--- a/src/libhal-backend-tbm-dumb/tbm_backend_log.h
+++ b/src/tbm_backend_log.h