re-arrange the static functions.

Change-Id: Ibc5d98842950e6551bb7a5bfdff629951cbe368d

1 files changed, 613 insertions, 612 deletions

diff --git a/src/tbm_bufmgr_exynos.c b/src/tbm_bufmgr_exynos.c
index 41dc9f3..da711ae 100644
--- a/src/tbm_bufmgr_exynos.c
+++ b/src/tbm_bufmgr_exynos.c
@@ -56,13 +56,13 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #define USE_DMAIMPORT
 #define TBM_COLOR_FORMAT_COUNT 4
 
-#define EXYNOS_DRM_NAME "tgm"
-
 #ifdef DEBUG
 #define LOG_TAG	"TBM_BACKEND"
 #include <dlog.h>
 static int bDebug;
 
+#define EXYNOS_DRM_NAME "tgm"
+
 char *target_name()
 {
 	static char app_name[128] = {0, };
@@ -980,20 +980,401 @@ _exynos_bo_handle(tbm_bo_exynos bo_exynos, int device)
 }
 
 static int
-tbm_exynos_bo_get_size(tbm_backend_bo_data *bo_data, tbm_error_e *error)
+_new_calc_plane_nv12(int width, int height)
 {
-	tbm_bo_exynos bo_exynos = (tbm_bo_exynos)bo_data;
+	int mbX, mbY;
 
-	if (!bo_exynos) {
-		if (error)
-			*error = TBM_ERROR_INVALID_PARAMETER;
-		return 0;
-	}
+	mbX = DIV_ROUND_UP(width, S5P_FIMV_NUM_PIXELS_IN_MB_ROW);
+	mbY = DIV_ROUND_UP(height, S5P_FIMV_NUM_PIXELS_IN_MB_COL);
+
+	if (width * height < S5P_FIMV_MAX_FRAME_SIZE)
+		mbY = (mbY + 1) / 2 * 2;
+
+	return ((mbX * S5P_FIMV_NUM_PIXELS_IN_MB_COL) * (mbY *
+			S5P_FIMV_NUM_PIXELS_IN_MB_ROW));
+}
+
+static int
+_calc_yplane_nv12(int width, int height)
+{
+	int mbX, mbY;
+
+	mbX = SIZE_ALIGN(width + 24, S5P_FIMV_NV12MT_HALIGN);
+	mbY = SIZE_ALIGN(height + 16, S5P_FIMV_NV12MT_VALIGN);
+
+	return SIZE_ALIGN(mbX * mbY, S5P_FIMV_DEC_BUF_ALIGN);
+}
+
+static int
+_calc_uvplane_nv12(int width, int height)
+{
+	int mbX, mbY;
+
+	mbX = SIZE_ALIGN(width + 16, S5P_FIMV_NV12MT_HALIGN);
+	mbY = SIZE_ALIGN(height + 4, S5P_FIMV_NV12MT_VALIGN);
+
+	return SIZE_ALIGN((mbX * mbY) >> 1, S5P_FIMV_DEC_BUF_ALIGN);
+}
+
+static int
+_new_calc_yplane_nv12(int width, int height)
+{
+	return SIZE_ALIGN(_new_calc_plane_nv12(width,
+						height) + S5P_FIMV_D_ALIGN_PLANE_SIZE,
+			   TBM_SURFACE_ALIGNMENT_PLANE_NV12);
+}
+
+static int
+_new_calc_uvplane_nv12(int width, int height)
+{
+	return SIZE_ALIGN((_new_calc_plane_nv12(width,
+						height) >> 1) + S5P_FIMV_D_ALIGN_PLANE_SIZE,
+			  TBM_SURFACE_ALIGNMENT_PLANE_NV12);
+}
+
+static tbm_bufmgr_capability
+tbm_exynos_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 bo_exynos->size;
+	return capabilities;
+}
+
+static tbm_error_e
+tbm_exynos_bufmgr_bind_native_display(tbm_backend_bufmgr_data *bufmgr_data, tbm_native_display *native_display)
+{
+	tbm_bufmgr_exynos bufmgr_exynos = (tbm_bufmgr_exynos)bufmgr_data;
+	EXYNOS_RETURN_VAL_IF_FAIL(bufmgr_exynos != NULL, TBM_ERROR_INVALID_PARAMETER);
+
+	if (!tbm_drm_helper_wl_auth_server_init(native_display, bufmgr_exynos->fd,
+					   bufmgr_exynos->device_name, 0)) {
+		TBM_EXYNOS_ERROR("fail to tbm_drm_helper_wl_server_init\n");
+		return TBM_ERROR_OPERATION_FAILED;
+	}
+
+	bufmgr_exynos->bind_display = native_display;
+
+	return TBM_ERROR_NONE;
+}
+
+static tbm_error_e
+tbm_exynos_bufmgr_get_supported_formats(tbm_backend_bufmgr_data *bufmgr_data,
+							uint32_t **formats, uint32_t *num)
+{
+	tbm_bufmgr_exynos bufmgr_exynos = (tbm_bufmgr_exynos)bufmgr_data;
+	uint32_t *color_formats;
+
+	EXYNOS_RETURN_VAL_IF_FAIL(bufmgr_exynos != 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_exynos_color_format_list, sizeof(uint32_t)*TBM_COLOR_FORMAT_COUNT);
+
+	*formats = color_formats;
+	*num = TBM_COLOR_FORMAT_COUNT;
+
+	TBM_EXYNOS_DEBUG("supported format count = %d\n", *num);
+
+	return TBM_ERROR_NONE;
+}
+
+static tbm_error_e
+tbm_exynos_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_exynos bufmgr_exynos = (tbm_bufmgr_exynos)bufmgr_data;
+	int bpp;
+	int _offset = 0;
+	int _pitch = 0;
+	int _size = 0;
+	int _bo_idx = 0;
+
+	EXYNOS_RETURN_VAL_IF_FAIL(bufmgr_exynos != 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:
+		bpp = 12;
+		/*if (plane_idx == 0)*/
+		{
+			_offset = 0;
+			_pitch = SIZE_ALIGN(width, TBM_SURFACE_ALIGNMENT_PITCH_YUV);
+			_size = MAX(_calc_yplane_nv12(width, height), _new_calc_yplane_nv12(width,
+					height));
+			_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 = MAX(_calc_uvplane_nv12(width, height), _new_calc_uvplane_nv12(width,
+					height));
+			_bo_idx = 0;
+		}
+		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;
+			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 / 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;
+		/*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 / 4, TBM_SURFACE_ALIGNMENT_PITCH_YUV / 4);
+			_size = SIZE_ALIGN(_pitch * (height / 4), TBM_SURFACE_ALIGNMENT_PLANE);
+			_bo_idx = 0;
+			if (plane_idx == 1)
+				break;
+		}
+		/*else if (plane_idx == 2)*/
+		{
+			_offset += _size;
+			_pitch = SIZE_ALIGN(width / 4, TBM_SURFACE_ALIGNMENT_PITCH_YUV / 4);
+			_size = SIZE_ALIGN(_pitch * (height / 4), TBM_SURFACE_ALIGNMENT_PLANE);
+			_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 TBM_ERROR_NONE;
 }
 
 static tbm_backend_bo_data *
@@ -1086,71 +1467,16 @@ tbm_exynos_bufmgr_alloc_bo(tbm_backend_bufmgr_data *bufmgr_data, int size, tbm_b
 	return (tbm_backend_bo_data *)bo_exynos;
 }
 
-static void
-tbm_exynos_bo_free(tbm_backend_bo_data *bo_data)
-{
-	tbm_bo_exynos bo_exynos = (tbm_bo_exynos)bo_data;
-	tbm_bo_exynos temp;
-	tbm_bufmgr_exynos bufmgr_exynos;
-	char buf[STRERR_BUFSIZE];
-	int ret;
-
-	if (!bo_data)
-		return;
-
-	bufmgr_exynos = bo_exynos->bufmgr_exynos;
-	if (!bufmgr_exynos)
-		return;
-
-	TBM_EXYNOS_DEBUG("      bo_exynos:%p, gem:%d(%d), fd:%d, size:%d\n",
-	    bo_exynos,
-	    bo_exynos->gem, bo_exynos->name,
-	    bo_exynos->dmabuf,
-	    bo_exynos->size);
-
-	if (bo_exynos->pBase) {
-		if (munmap(bo_exynos->pBase, bo_exynos->size) == -1) {
-			TBM_EXYNOS_ERROR("bo_exynos:%p fail to munmap(%s)\n",
-				       bo_exynos, strerror_r(errno, buf, STRERR_BUFSIZE));
-		}
-	}
-
-	/* close dmabuf */
-	if (bo_exynos->dmabuf) {
-		close(bo_exynos->dmabuf);
-		bo_exynos->dmabuf = 0;
-	}
-
-	/* delete bo_exynos from hash */
-	ret = drmHashLookup(bufmgr_exynos->hashBos, bo_exynos->name, (void **)&temp);
-	if (ret == 0)
-		drmHashDelete(bufmgr_exynos->hashBos, bo_exynos->name);
-	else
-		TBM_EXYNOS_ERROR("Cannot find bo_exynos to Hash(%d), ret=%d\n", bo_exynos->name, ret);
-
-	if (temp != bo_exynos)
-		TBM_EXYNOS_ERROR("hashBos probably has several BOs with same name!!!\n");
-
-	_bo_destroy_cache_state(bufmgr_exynos, bo_exynos);
-
-	/* Free gem handle */
-	struct drm_gem_close arg = {0, };
-
-	memset(&arg, 0, sizeof(arg));
-	arg.handle = bo_exynos->gem;
-	if (drmIoctl(bo_exynos->fd, DRM_IOCTL_GEM_CLOSE, &arg))
-		TBM_EXYNOS_ERROR("bo_exynos:%p fail to gem close.(%s)\n",
-			       bo_exynos, strerror_r(errno, buf, STRERR_BUFSIZE));
-
-	free(bo_exynos);
-}
 
 static tbm_backend_bo_data *
-tbm_exynos_bufmgr_import_key(tbm_backend_bufmgr_data *bufmgr_data, tbm_key key, tbm_error_e *error)
+tbm_exynos_bufmgr_import_fd(tbm_backend_bufmgr_data *bufmgr_data, tbm_fd key, tbm_error_e *error)
 {
 	tbm_bufmgr_exynos bufmgr_exynos = (tbm_bufmgr_exynos)bufmgr_data;
 	tbm_bo_exynos bo_exynos;
+	unsigned int gem = 0;
+	unsigned int name;
 	int ret;
+	char buf[STRERR_BUFSIZE];
 
 	if (bufmgr_exynos == NULL) {
 		TBM_EXYNOS_ERROR("bufmgr_data is null\n");
@@ -1159,38 +1485,67 @@ tbm_exynos_bufmgr_import_key(tbm_backend_bufmgr_data *bufmgr_data, tbm_key key,
 		return NULL;
 	}
 
-	ret = drmHashLookup(bufmgr_exynos->hashBos, key, (void **)&bo_exynos);
-	if (ret == 0) {
+	/*getting handle from fd*/
+	struct drm_prime_handle arg = {0, };
+
+	arg.fd = key;
+	arg.flags = 0;
+	if (drmIoctl(bufmgr_exynos->fd, DRM_IOCTL_PRIME_FD_TO_HANDLE, &arg)) {
+		TBM_EXYNOS_ERROR("Cannot get gem handle from fd:%d (%s)\n",
+			       arg.fd, strerror_r(errno, buf, STRERR_BUFSIZE));
 		if (error)
-			*error = TBM_ERROR_NONE;
-		return (tbm_backend_bo_data *)bo_exynos;
+			*error = TBM_ERROR_OPERATION_FAILED;
+		return NULL;
 	}
+	gem = arg.handle;
 
-	struct drm_gem_open arg = {0, };
-	struct drm_exynos_gem_info info = {0, };
-
-	arg.name = key;
-	if (drmIoctl(bufmgr_exynos->fd, DRM_IOCTL_GEM_OPEN, &arg)) {
-		TBM_EXYNOS_ERROR("Cannot open gem name=%d\n", key);
+	name = _get_name(bufmgr_exynos->fd, gem);
+	if (!name) {
+		TBM_EXYNOS_ERROR("Cannot get name from gem:%d, fd:%d (%s)\n",
+			       gem, key, strerror_r(errno, buf, STRERR_BUFSIZE));
 		if (error)
 			*error = TBM_ERROR_OPERATION_FAILED;
 		return NULL;
 	}
 
-	info.handle = arg.handle;
+	ret = drmHashLookup(bufmgr_exynos->hashBos, name, (void **)&bo_exynos);
+	if (ret == 0) {
+		if (gem == bo_exynos->gem) {
+			if (error)
+				*error = TBM_ERROR_NONE;
+			return bo_exynos;
+		}
+	}
+
+	/* Determine size of bo_exynos.  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_exynos_gem_info info = {0, };
+
+	real_size = lseek(key, 0, SEEK_END);
+
+	info.handle = gem;
 	if (drmCommandWriteRead(bufmgr_exynos->fd,
 				DRM_EXYNOS_GEM_GET,
 				&info,
 				sizeof(struct drm_exynos_gem_info))) {
-		TBM_EXYNOS_ERROR("Cannot get gem info=%d\n", key);
+		TBM_EXYNOS_ERROR("Cannot get gem info from gem:%d, fd:%d (%s)\n",
+			       gem, key, strerror_r(errno, buf, STRERR_BUFSIZE));
 		if (error)
 			*error = TBM_ERROR_OPERATION_FAILED;
 		return NULL;
 	}
 
+	if (real_size == -1)
+		real_size = info.size;
+
 	bo_exynos = calloc(1, sizeof(struct _tbm_bo_exynos));
 	if (!bo_exynos) {
-		TBM_EXYNOS_ERROR("fail to allocate the bo_exynos private\n");
+		TBM_EXYNOS_ERROR("bo_exynos:%p fail to allocate the bo_exynos\n", bo_exynos);
 		if (error)
 			*error = TBM_ERROR_OUT_OF_MEMORY;
 		return NULL;
@@ -1198,11 +1553,11 @@ tbm_exynos_bufmgr_import_key(tbm_backend_bufmgr_data *bufmgr_data, tbm_key key,
 	bo_exynos->bufmgr_exynos = bufmgr_exynos;
 
 	bo_exynos->fd = bufmgr_exynos->fd;
-	bo_exynos->gem = arg.handle;
-	bo_exynos->size = arg.size;
+	bo_exynos->gem = gem;
+	bo_exynos->size = real_size;
 	bo_exynos->flags_exynos = info.flags;
-	bo_exynos->name = key;
 	bo_exynos->flags_tbm = _get_tbm_flag_from_exynos(bo_exynos->flags_exynos);
+	bo_exynos->name = name;
 
 	if (!_bo_init_cache_state(bufmgr_exynos, bo_exynos, 1)) {
 		TBM_EXYNOS_ERROR("fail init cache state(%d)\n", bo_exynos->name);
@@ -1212,28 +1567,16 @@ tbm_exynos_bufmgr_import_key(tbm_backend_bufmgr_data *bufmgr_data, tbm_key key,
 		return NULL;
 	}
 
-	if (!bo_exynos->dmabuf) {
-		struct drm_prime_handle arg = {0, };
-
-		arg.handle = bo_exynos->gem;
-		if (drmIoctl(bo_exynos->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg)) {
-			TBM_EXYNOS_ERROR("fail to DRM_IOCTL_PRIME_HANDLE_TO_FD gem=%d\n", bo_exynos->gem);
-			if (error)
-				*error = TBM_ERROR_OPERATION_FAILED;
-			free(bo_exynos);
-			return NULL;
-		}
-		bo_exynos->dmabuf = arg.fd;
-	}
-
 	/* add bo_exynos to hash */
 	if (drmHashInsert(bufmgr_exynos->hashBos, bo_exynos->name, (void *)bo_exynos) < 0)
-		TBM_EXYNOS_ERROR("Cannot insert bo_exynos to Hash(%d)\n", bo_exynos->name);
+		TBM_EXYNOS_ERROR("bo_exynos:%p Cannot insert bo_exynos to Hash(%d) from gem:%d, fd:%d\n",
+			       bo_exynos, bo_exynos->name, gem, key);
 
-	TBM_EXYNOS_DEBUG("    bo_exynos:%p, gem:%d(%d), fd:%d, flags:%d(%d), size:%d\n",
+	TBM_EXYNOS_DEBUG(" bo_exynos:%p, gem:%d(%d), fd:%d, key_fd:%d, flags:%d(%d), size:%d\n",
 	    bo_exynos,
 	    bo_exynos->gem, bo_exynos->name,
 	    bo_exynos->dmabuf,
+	    key,
 	    bo_exynos->flags_tbm, bo_exynos->flags_exynos,
 	    bo_exynos->size);
 
@@ -1244,14 +1587,11 @@ tbm_exynos_bufmgr_import_key(tbm_backend_bufmgr_data *bufmgr_data, tbm_key key,
 }
 
 static tbm_backend_bo_data *
-tbm_exynos_bufmgr_import_fd(tbm_backend_bufmgr_data *bufmgr_data, tbm_fd key, tbm_error_e *error)
+tbm_exynos_bufmgr_import_key(tbm_backend_bufmgr_data *bufmgr_data, tbm_key key, tbm_error_e *error)
 {
 	tbm_bufmgr_exynos bufmgr_exynos = (tbm_bufmgr_exynos)bufmgr_data;
 	tbm_bo_exynos bo_exynos;
-	unsigned int gem = 0;
-	unsigned int name;
 	int ret;
-	char buf[STRERR_BUFSIZE];
 
 	if (bufmgr_exynos == NULL) {
 		TBM_EXYNOS_ERROR("bufmgr_data is null\n");
@@ -1260,67 +1600,38 @@ tbm_exynos_bufmgr_import_fd(tbm_backend_bufmgr_data *bufmgr_data, tbm_fd key, tb
 		return NULL;
 	}
 
-	/*getting handle from fd*/
-	struct drm_prime_handle arg = {0, };
-
-	arg.fd = key;
-	arg.flags = 0;
-	if (drmIoctl(bufmgr_exynos->fd, DRM_IOCTL_PRIME_FD_TO_HANDLE, &arg)) {
-		TBM_EXYNOS_ERROR("Cannot get gem handle from fd:%d (%s)\n",
-			       arg.fd, strerror_r(errno, buf, STRERR_BUFSIZE));
+	ret = drmHashLookup(bufmgr_exynos->hashBos, key, (void **)&bo_exynos);
+	if (ret == 0) {
 		if (error)
-			*error = TBM_ERROR_OPERATION_FAILED;
-		return NULL;
+			*error = TBM_ERROR_NONE;
+		return (tbm_backend_bo_data *)bo_exynos;
 	}
-	gem = arg.handle;
 
-	name = _get_name(bufmgr_exynos->fd, gem);
-	if (!name) {
-		TBM_EXYNOS_ERROR("Cannot get name from gem:%d, fd:%d (%s)\n",
-			       gem, key, strerror_r(errno, buf, STRERR_BUFSIZE));
+	struct drm_gem_open arg = {0, };
+	struct drm_exynos_gem_info info = {0, };
+
+	arg.name = key;
+	if (drmIoctl(bufmgr_exynos->fd, DRM_IOCTL_GEM_OPEN, &arg)) {
+		TBM_EXYNOS_ERROR("Cannot open gem name=%d\n", key);
 		if (error)
 			*error = TBM_ERROR_OPERATION_FAILED;
 		return NULL;
 	}
 
-	ret = drmHashLookup(bufmgr_exynos->hashBos, name, (void **)&bo_exynos);
-	if (ret == 0) {
-		if (gem == bo_exynos->gem) {
-			if (error)
-				*error = TBM_ERROR_NONE;
-			return bo_exynos;
-		}
-	}
-
-	/* Determine size of bo_exynos.  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_exynos_gem_info info = {0, };
-
-	real_size = lseek(key, 0, SEEK_END);
-
-	info.handle = gem;
+	info.handle = arg.handle;
 	if (drmCommandWriteRead(bufmgr_exynos->fd,
 				DRM_EXYNOS_GEM_GET,
 				&info,
 				sizeof(struct drm_exynos_gem_info))) {
-		TBM_EXYNOS_ERROR("Cannot get gem info from gem:%d, fd:%d (%s)\n",
-			       gem, key, strerror_r(errno, buf, STRERR_BUFSIZE));
+		TBM_EXYNOS_ERROR("Cannot get gem info=%d\n", key);
 		if (error)
 			*error = TBM_ERROR_OPERATION_FAILED;
 		return NULL;
 	}
 
-	if (real_size == -1)
-		real_size = info.size;
-
 	bo_exynos = calloc(1, sizeof(struct _tbm_bo_exynos));
 	if (!bo_exynos) {
-		TBM_EXYNOS_ERROR("bo_exynos:%p fail to allocate the bo_exynos\n", bo_exynos);
+		TBM_EXYNOS_ERROR("fail to allocate the bo_exynos private\n");
 		if (error)
 			*error = TBM_ERROR_OUT_OF_MEMORY;
 		return NULL;
@@ -1328,11 +1639,11 @@ tbm_exynos_bufmgr_import_fd(tbm_backend_bufmgr_data *bufmgr_data, tbm_fd key, tb
 	bo_exynos->bufmgr_exynos = bufmgr_exynos;
 
 	bo_exynos->fd = bufmgr_exynos->fd;
-	bo_exynos->gem = gem;
-	bo_exynos->size = real_size;
+	bo_exynos->gem = arg.handle;
+	bo_exynos->size = arg.size;
 	bo_exynos->flags_exynos = info.flags;
+	bo_exynos->name = key;
 	bo_exynos->flags_tbm = _get_tbm_flag_from_exynos(bo_exynos->flags_exynos);
-	bo_exynos->name = name;
 
 	if (!_bo_init_cache_state(bufmgr_exynos, bo_exynos, 1)) {
 		TBM_EXYNOS_ERROR("fail init cache state(%d)\n", bo_exynos->name);
@@ -1342,16 +1653,28 @@ tbm_exynos_bufmgr_import_fd(tbm_backend_bufmgr_data *bufmgr_data, tbm_fd key, tb
 		return NULL;
 	}
 
+	if (!bo_exynos->dmabuf) {
+		struct drm_prime_handle arg = {0, };
+
+		arg.handle = bo_exynos->gem;
+		if (drmIoctl(bo_exynos->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg)) {
+			TBM_EXYNOS_ERROR("fail to DRM_IOCTL_PRIME_HANDLE_TO_FD gem=%d\n", bo_exynos->gem);
+			if (error)
+				*error = TBM_ERROR_OPERATION_FAILED;
+			free(bo_exynos);
+			return NULL;
+		}
+		bo_exynos->dmabuf = arg.fd;
+	}
+
 	/* add bo_exynos to hash */
 	if (drmHashInsert(bufmgr_exynos->hashBos, bo_exynos->name, (void *)bo_exynos) < 0)
-		TBM_EXYNOS_ERROR("bo_exynos:%p Cannot insert bo_exynos to Hash(%d) from gem:%d, fd:%d\n",
-			       bo_exynos, bo_exynos->name, gem, key);
+		TBM_EXYNOS_ERROR("Cannot insert bo_exynos to Hash(%d)\n", bo_exynos->name);
 
-	TBM_EXYNOS_DEBUG(" bo_exynos:%p, gem:%d(%d), fd:%d, key_fd:%d, flags:%d(%d), size:%d\n",
+	TBM_EXYNOS_DEBUG("    bo_exynos:%p, gem:%d(%d), fd:%d, flags:%d(%d), size:%d\n",
 	    bo_exynos,
 	    bo_exynos->gem, bo_exynos->name,
 	    bo_exynos->dmabuf,
-	    key,
 	    bo_exynos->flags_tbm, bo_exynos->flags_exynos,
 	    bo_exynos->size);
 
@@ -1361,77 +1684,97 @@ tbm_exynos_bufmgr_import_fd(tbm_backend_bufmgr_data *bufmgr_data, tbm_fd key, tb
 	return (tbm_backend_bo_data *)bo_exynos;
 }
 
-static tbm_key
-tbm_exynos_bo_export_key(tbm_backend_bo_data *bo_data, tbm_error_e *error)
+static void
+tbm_exynos_bo_free(tbm_backend_bo_data *bo_data)
 {
 	tbm_bo_exynos bo_exynos = (tbm_bo_exynos)bo_data;
+	tbm_bo_exynos temp;
+	tbm_bufmgr_exynos bufmgr_exynos;
+	char buf[STRERR_BUFSIZE];
+	int ret;
 
-	if (!bo_exynos) {
-		if (error)
-			*error = TBM_ERROR_INVALID_PARAMETER;
-		return 0;
-	}
+	if (!bo_data)
+		return;
 
-	if (!bo_exynos->name) {
-		bo_exynos->name = _get_name(bo_exynos->fd, bo_exynos->gem);
-		if (!bo_exynos->name) {
-			TBM_EXYNOS_ERROR("error Cannot get name\n");
-			if (error)
-				*error = TBM_ERROR_INVALID_PARAMETER;
-			return 0;
-		}
-	}
+	bufmgr_exynos = bo_exynos->bufmgr_exynos;
+	if (!bufmgr_exynos)
+		return;
 
-	TBM_EXYNOS_DEBUG("    bo_exynos:%p, gem:%d(%d), fd:%d, flags:%d(%d), size:%d\n",
+	TBM_EXYNOS_DEBUG("      bo_exynos:%p, gem:%d(%d), fd:%d, size:%d\n",
 	    bo_exynos,
 	    bo_exynos->gem, bo_exynos->name,
 	    bo_exynos->dmabuf,
-	    bo_exynos->flags_tbm, bo_exynos->flags_exynos,
 	    bo_exynos->size);
 
-	if (error)
-		*error = TBM_ERROR_NONE;
+	if (bo_exynos->pBase) {
+		if (munmap(bo_exynos->pBase, bo_exynos->size) == -1) {
+			TBM_EXYNOS_ERROR("bo_exynos:%p fail to munmap(%s)\n",
+				       bo_exynos, strerror_r(errno, buf, STRERR_BUFSIZE));
+		}
+	}
 
-	return (tbm_key)bo_exynos->name;
+	/* close dmabuf */
+	if (bo_exynos->dmabuf) {
+		close(bo_exynos->dmabuf);
+		bo_exynos->dmabuf = 0;
+	}
+
+	/* delete bo_exynos from hash */
+	ret = drmHashLookup(bufmgr_exynos->hashBos, bo_exynos->name, (void **)&temp);
+	if (ret == 0)
+		drmHashDelete(bufmgr_exynos->hashBos, bo_exynos->name);
+	else
+		TBM_EXYNOS_ERROR("Cannot find bo_exynos to Hash(%d), ret=%d\n", bo_exynos->name, ret);
+
+	if (temp != bo_exynos)
+		TBM_EXYNOS_ERROR("hashBos probably has several BOs with same name!!!\n");
+
+	_bo_destroy_cache_state(bufmgr_exynos, bo_exynos);
+
+	/* Free gem handle */
+	struct drm_gem_close arg = {0, };
+
+	memset(&arg, 0, sizeof(arg));
+	arg.handle = bo_exynos->gem;
+	if (drmIoctl(bo_exynos->fd, DRM_IOCTL_GEM_CLOSE, &arg))
+		TBM_EXYNOS_ERROR("bo_exynos:%p fail to gem close.(%s)\n",
+			       bo_exynos, strerror_r(errno, buf, STRERR_BUFSIZE));
+
+	free(bo_exynos);
 }
 
-static tbm_fd
-tbm_exynos_bo_export_fd(tbm_backend_bo_data *bo_data, tbm_error_e *error)
+static int
+tbm_exynos_bo_get_size(tbm_backend_bo_data *bo_data, tbm_error_e *error)
 {
 	tbm_bo_exynos bo_exynos = (tbm_bo_exynos)bo_data;
-	int ret;
-	char buf[STRERR_BUFSIZE];
 
 	if (!bo_exynos) {
 		if (error)
 			*error = TBM_ERROR_INVALID_PARAMETER;
-		return -1;
+		return 0;
 	}
 
-	struct drm_prime_handle arg = {0, };
+	if (error)
+		*error = TBM_ERROR_NONE;
 
-	arg.handle = bo_exynos->gem;
-	ret = drmIoctl(bo_exynos->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg);
-	if (ret) {
-		TBM_EXYNOS_ERROR("bo_exynos:%p Cannot dmabuf=%d (%s)\n",
-			       bo_exynos, bo_exynos->gem, strerror_r(errno, buf, STRERR_BUFSIZE));
+	return bo_exynos->size;
+}
+
+static tbm_bo_memory_type
+tbm_exynos_bo_get_memory_type(tbm_backend_bo_data *bo_data, tbm_error_e *error)
+{
+	tbm_bo_exynos bo_exynos = (tbm_bo_exynos)bo_data;
+
+	if (!bo_exynos) {
 		if (error)
-			*error = TBM_ERROR_OPERATION_FAILED;
-		return (tbm_fd) ret;
+			*error = TBM_ERROR_INVALID_PARAMETER;
+		return TBM_BO_DEFAULT;
 	}
 
-	TBM_EXYNOS_DEBUG(" bo_exynos:%p, gem:%d(%d), fd:%d, key_fd:%d, flags:%d(%d), size:%d\n",
-	    bo_exynos,
-	    bo_exynos->gem, bo_exynos->name,
-	    bo_exynos->dmabuf,
-	    arg.fd,
-	    bo_exynos->flags_tbm, bo_exynos->flags_exynos,
-	    bo_exynos->size);
-
 	if (error)
 		*error = TBM_ERROR_NONE;
 
-	return (tbm_fd)arg.fd;
+	return bo_exynos->flags_tbm;
 }
 
 static tbm_bo_handle
@@ -1648,6 +1991,79 @@ tbm_exynos_bo_unlock(tbm_backend_bo_data *bo_data)
 	return TBM_ERROR_NONE;
 }
 
+static tbm_fd
+tbm_exynos_bo_export_fd(tbm_backend_bo_data *bo_data, tbm_error_e *error)
+{
+	tbm_bo_exynos bo_exynos = (tbm_bo_exynos)bo_data;
+	int ret;
+	char buf[STRERR_BUFSIZE];
+
+	if (!bo_exynos) {
+		if (error)
+			*error = TBM_ERROR_INVALID_PARAMETER;
+		return -1;
+	}
+
+	struct drm_prime_handle arg = {0, };
+
+	arg.handle = bo_exynos->gem;
+	ret = drmIoctl(bo_exynos->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg);
+	if (ret) {
+		TBM_EXYNOS_ERROR("bo_exynos:%p Cannot dmabuf=%d (%s)\n",
+			       bo_exynos, bo_exynos->gem, strerror_r(errno, buf, STRERR_BUFSIZE));
+		if (error)
+			*error = TBM_ERROR_OPERATION_FAILED;
+		return (tbm_fd) ret;
+	}
+
+	TBM_EXYNOS_DEBUG(" bo_exynos:%p, gem:%d(%d), fd:%d, key_fd:%d, flags:%d(%d), size:%d\n",
+	    bo_exynos,
+	    bo_exynos->gem, bo_exynos->name,
+	    bo_exynos->dmabuf,
+	    arg.fd,
+	    bo_exynos->flags_tbm, bo_exynos->flags_exynos,
+	    bo_exynos->size);
+
+	if (error)
+		*error = TBM_ERROR_NONE;
+
+	return (tbm_fd)arg.fd;
+}
+
+static tbm_key
+tbm_exynos_bo_export_key(tbm_backend_bo_data *bo_data, tbm_error_e *error)
+{
+	tbm_bo_exynos bo_exynos = (tbm_bo_exynos)bo_data;
+
+	if (!bo_exynos) {
+		if (error)
+			*error = TBM_ERROR_INVALID_PARAMETER;
+		return 0;
+	}
+
+	if (!bo_exynos->name) {
+		bo_exynos->name = _get_name(bo_exynos->fd, bo_exynos->gem);
+		if (!bo_exynos->name) {
+			TBM_EXYNOS_ERROR("error Cannot get name\n");
+			if (error)
+				*error = TBM_ERROR_INVALID_PARAMETER;
+			return 0;
+		}
+	}
+
+	TBM_EXYNOS_DEBUG("    bo_exynos:%p, gem:%d(%d), fd:%d, flags:%d(%d), size:%d\n",
+	    bo_exynos,
+	    bo_exynos->gem, bo_exynos->name,
+	    bo_exynos->dmabuf,
+	    bo_exynos->flags_tbm, bo_exynos->flags_exynos,
+	    bo_exynos->size);
+
+	if (error)
+		*error = TBM_ERROR_NONE;
+
+	return (tbm_key)bo_exynos->name;
+}
+
 static void
 tbm_exynos_deinit(tbm_backend_bufmgr_data *bufmgr_data)
 {
@@ -1692,421 +2108,6 @@ tbm_exynos_deinit(tbm_backend_bufmgr_data *bufmgr_data)
 	free(bufmgr_exynos);
 }
 
-static tbm_error_e
-tbm_exynos_bufmgr_get_supported_formats(tbm_backend_bufmgr_data *bufmgr_data,
-							uint32_t **formats, uint32_t *num)
-{
-	tbm_bufmgr_exynos bufmgr_exynos = (tbm_bufmgr_exynos)bufmgr_data;
-	uint32_t *color_formats;
-
-	EXYNOS_RETURN_VAL_IF_FAIL(bufmgr_exynos != 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_exynos_color_format_list, sizeof(uint32_t)*TBM_COLOR_FORMAT_COUNT);
-
-	*formats = color_formats;
-	*num = TBM_COLOR_FORMAT_COUNT;
-
-	TBM_EXYNOS_DEBUG("supported format count = %d\n", *num);
-
-	return TBM_ERROR_NONE;
-}
-
-static int
-_new_calc_plane_nv12(int width, int height)
-{
-	int mbX, mbY;
-
-	mbX = DIV_ROUND_UP(width, S5P_FIMV_NUM_PIXELS_IN_MB_ROW);
-	mbY = DIV_ROUND_UP(height, S5P_FIMV_NUM_PIXELS_IN_MB_COL);
-
-	if (width * height < S5P_FIMV_MAX_FRAME_SIZE)
-		mbY = (mbY + 1) / 2 * 2;
-
-	return ((mbX * S5P_FIMV_NUM_PIXELS_IN_MB_COL) * (mbY *
-			S5P_FIMV_NUM_PIXELS_IN_MB_ROW));
-}
-
-static int
-_calc_yplane_nv12(int width, int height)
-{
-	int mbX, mbY;
-
-	mbX = SIZE_ALIGN(width + 24, S5P_FIMV_NV12MT_HALIGN);
-	mbY = SIZE_ALIGN(height + 16, S5P_FIMV_NV12MT_VALIGN);
-
-	return SIZE_ALIGN(mbX * mbY, S5P_FIMV_DEC_BUF_ALIGN);
-}
-
-static int
-_calc_uvplane_nv12(int width, int height)
-{
-	int mbX, mbY;
-
-	mbX = SIZE_ALIGN(width + 16, S5P_FIMV_NV12MT_HALIGN);
-	mbY = SIZE_ALIGN(height + 4, S5P_FIMV_NV12MT_VALIGN);
-
-	return SIZE_ALIGN((mbX * mbY) >> 1, S5P_FIMV_DEC_BUF_ALIGN);
-}
-
-static int
-_new_calc_yplane_nv12(int width, int height)
-{
-	return SIZE_ALIGN(_new_calc_plane_nv12(width,
-						height) + S5P_FIMV_D_ALIGN_PLANE_SIZE,
-			   TBM_SURFACE_ALIGNMENT_PLANE_NV12);
-}
-
-static int
-_new_calc_uvplane_nv12(int width, int height)
-{
-	return SIZE_ALIGN((_new_calc_plane_nv12(width,
-						height) >> 1) + S5P_FIMV_D_ALIGN_PLANE_SIZE,
-			  TBM_SURFACE_ALIGNMENT_PLANE_NV12);
-}
-
-static tbm_error_e
-tbm_exynos_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_exynos bufmgr_exynos = (tbm_bufmgr_exynos)bufmgr_data;
-	int bpp;
-	int _offset = 0;
-	int _pitch = 0;
-	int _size = 0;
-	int _bo_idx = 0;
-
-	EXYNOS_RETURN_VAL_IF_FAIL(bufmgr_exynos != 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:
-		bpp = 12;
-		/*if (plane_idx == 0)*/
-		{
-			_offset = 0;
-			_pitch = SIZE_ALIGN(width, TBM_SURFACE_ALIGNMENT_PITCH_YUV);
-			_size = MAX(_calc_yplane_nv12(width, height), _new_calc_yplane_nv12(width,
-					height));
-			_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 = MAX(_calc_uvplane_nv12(width, height), _new_calc_uvplane_nv12(width,
-					height));
-			_bo_idx = 0;
-		}
-		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;
-			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 / 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;
-		/*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 / 4, TBM_SURFACE_ALIGNMENT_PITCH_YUV / 4);
-			_size = SIZE_ALIGN(_pitch * (height / 4), TBM_SURFACE_ALIGNMENT_PLANE);
-			_bo_idx = 0;
-			if (plane_idx == 1)
-				break;
-		}
-		/*else if (plane_idx == 2)*/
-		{
-			_offset += _size;
-			_pitch = SIZE_ALIGN(width / 4, TBM_SURFACE_ALIGNMENT_PITCH_YUV / 4);
-			_size = SIZE_ALIGN(_pitch * (height / 4), TBM_SURFACE_ALIGNMENT_PLANE);
-			_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 TBM_ERROR_NONE;
-}
-
-static tbm_bo_memory_type
-tbm_exynos_bo_get_memory_type(tbm_backend_bo_data *bo_data, tbm_error_e *error)
-{
-	tbm_bo_exynos bo_exynos = (tbm_bo_exynos)bo_data;
-
-	if (!bo_exynos) {
-		if (error)
-			*error = TBM_ERROR_INVALID_PARAMETER;
-		return TBM_BO_DEFAULT;
-	}
-
-	if (error)
-		*error = TBM_ERROR_NONE;
-
-	return bo_exynos->flags_tbm;
-}
-
-static tbm_bufmgr_capability
-tbm_exynos_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_exynos_bufmgr_bind_native_display(tbm_backend_bufmgr_data *bufmgr_data, tbm_native_display *native_display)
-{
-	tbm_bufmgr_exynos bufmgr_exynos = (tbm_bufmgr_exynos)bufmgr_data;
-	EXYNOS_RETURN_VAL_IF_FAIL(bufmgr_exynos != NULL, TBM_ERROR_INVALID_PARAMETER);
-
-	if (!tbm_drm_helper_wl_auth_server_init(native_display, bufmgr_exynos->fd,
-					   bufmgr_exynos->device_name, 0)) {
-		TBM_EXYNOS_ERROR("fail to tbm_drm_helper_wl_server_init\n");
-		return TBM_ERROR_OPERATION_FAILED;
-	}
-
-	bufmgr_exynos->bind_display = native_display;
-
-	return TBM_ERROR_NONE;
-}
-
 static tbm_backend_bufmgr_data *
 tbm_exynos_init(tbm_bufmgr bufmgr, tbm_error_e *error)
 {