Sync libtbm-exynos for fixing build break 28/65928/1 accepted/tizen/common/20160414.142609 accepted/tizen/ivi/20160415.014814 accepted/tizen/mobile/20160415.014848 accepted/tizen/tv/20160415.014732 accepted/tizen/wearable/20160415.014755 submit/tizen/20160414.040521
authorChangyeon Lee <cyeon.lee@samsung.com>
Thu, 14 Apr 2016 05:12:35 +0000 (14:12 +0900)
committerChangyeon Lee <cyeon.lee@samsung.com>
Thu, 14 Apr 2016 05:12:35 +0000 (14:12 +0900)
Change-Id: Ie71cbfa417445d4ae000c9048bb3c00d5900c834

src/tbm_bufmgr_exynos4412.c
src/tbm_bufmgr_tgl.h [new file with mode: 0644]

index 330c70d..521c9d8 100644 (file)
@@ -1,6 +1,6 @@
 /**************************************************************************
 
-libtbm_exynos4412
+libtbm_exynos
 
 Copyright 2012 Samsung Electronics co., Ltd. All Rights Reserved.
 
@@ -50,80 +50,101 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <pthread.h>
 #include <tbm_surface.h>
 #include <tbm_surface_internal.h>
+#include <tbm_drm_helper.h>
+
+#include <libudev.h>
+
+#include "tbm_bufmgr_tgl.h"
 
 #define DEBUG
 #define USE_DMAIMPORT
 #define TBM_COLOR_FORMAT_COUNT 8
 
+#define EXYNOS_DRM_NAME "exynos"
+
 #ifdef DEBUG
 #define LOG_TAG        "TBM_BACKEND"
 #include <dlog.h>
-static int bDebug=0;
+static int bDebug;
 
-chartarget_name()
+char *target_name()
 {
-    FILE *f;
-    char *slash;
-    static int         initialized = 0;
-    static char app_name[128];
+       FILE *f;
+       char *slash;
+       static int initialized = 0;
+       static char app_name[128];
 
-    if ( initialized )
-        return app_name;
+       if (initialized)
+               return app_name;
 
-    /* get the application name */
-    f = fopen("/proc/self/cmdline", "r");
+       /* get the application name */
+       f = fopen("/proc/self/cmdline", "r");
 
-    if ( !f )
-    {
-        return 0;
-    }
+       if (!f)
+               return 0;
 
-    memset(app_name, 0x00, sizeof(app_name));
+       memset(app_name, 0x00, sizeof(app_name));
 
-    if ( fgets(app_name, 100, f) == NULL )
-    {
-        fclose(f);
-        return 0;
-    }
+       if (fgets(app_name, 100, f) == NULL) {
+               fclose(f);
+               return 0;
+       }
 
-    fclose(f);
+       fclose(f);
 
-    if ( (slash=strrchr(app_name, '/')) != NULL )
-    {
-        memmove(app_name, slash+1, strlen(slash));
-    }
+       slash = strrchr(app_name, '/');
+       if (slash != NULL)
+               memmove(app_name, slash + 1, strlen(slash));
 
-    initialized = 1;
+       initialized = 1;
 
-    return app_name;
+       return app_name;
 }
-#define TBM_EXYNOS4412_LOG(fmt, args...) LOGE("\033[31m"  "[%s]" fmt "\033[0m", target_name(), ##args)
-#define DBG(fmt, args...)  if(bDebug&01) LOGE(fmt, ##args)
+
+#define TBM_EXYNOS_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_EXYNOS4412_LOG(...)
+#define TBM_EXYNOS_LOG(...)
 #define DBG(...)
 #endif
 
-#define SIZE_ALIGN( value, base ) (((value) + ((base) - 1)) & ~((base) - 1))
+#define SIZE_ALIGN(value, base) (((value) + ((base) - 1)) & ~((base) - 1))
+#define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
+#define MAX(a, b) ((a) > (b) ? (a) : (b))
 
+#ifdef ALIGN_EIGHT
+#define TBM_SURFACE_ALIGNMENT_PLANE (8)
+#define TBM_SURFACE_ALIGNMENT_PITCH_RGB (8)
+#else
 #define TBM_SURFACE_ALIGNMENT_PLANE (64)
-#define TBM_SURFACE_ALIGNMENT_PLANE_NV12 (4096)
 #define TBM_SURFACE_ALIGNMENT_PITCH_RGB (64)
+#endif
+
+#define TBM_SURFACE_ALIGNMENT_PLANE_NV12 (4096)
 #define TBM_SURFACE_ALIGNMENT_PITCH_YUV (16)
 
+#define SZ_1M                                   0x00100000
+#define S5P_FIMV_MAX_FRAME_SIZE                 (2 * SZ_1M)
+#define S5P_FIMV_D_ALIGN_PLANE_SIZE             64
+#define S5P_FIMV_NUM_PIXELS_IN_MB_ROW           16
+#define S5P_FIMV_NUM_PIXELS_IN_MB_COL           16
+#define S5P_FIMV_DEC_BUF_ALIGN                  (8 * 1024)
+#define S5P_FIMV_NV12MT_HALIGN                  128
+#define S5P_FIMV_NV12MT_VALIGN                  64
 
 /* check condition */
-#define EXYNOS4412_RETURN_IF_FAIL(cond) {\
-    if (!(cond)) {\
-        TBM_EXYNOS4412_LOG ("[%s] : '%s' failed.\n", __FUNCTION__, #cond);\
-        return;\
-    }\
+#define EXYNOS_RETURN_IF_FAIL(cond) {\
+       if (!(cond)) {\
+               TBM_EXYNOS_LOG("[%s] : '%s' failed.\n", __func__, #cond);\
+               return;\
+       } \
 }
-#define EXYNOS4412_RETURN_VAL_IF_FAIL(cond, val) {\
-    if (!(cond)) {\
-        TBM_EXYNOS4412_LOG ("[%s] : '%s' failed.\n", __FUNCTION__, #cond);\
-        return val;\
-    }\
+
+#define EXYNOS_RETURN_VAL_IF_FAIL(cond, val) {\
+       if (!(cond)) {\
+               TBM_EXYNOS_LOG("[%s] : '%s' failed.\n", __func__, #cond);\
+               return val;\
+       } \
 }
 
 struct dma_buf_info {
@@ -137,7 +158,7 @@ struct dma_buf_info {
 #define DMA_BUF_ACCESS_DMA             0x4
 #define DMA_BUF_ACCESS_MAX             0x8
 
-#define DMA_FENCE_LIST_MAX             5
+#define DMA_FENCE_LIST_MAX             5
 
 struct dma_buf_fence {
        unsigned long           ctx;
@@ -151,1092 +172,1607 @@ struct dma_buf_fence {
 #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_exynos4412 *tbm_bufmgr_exynos4412;
-typedef struct _tbm_bo_exynos4412 *tbm_bo_exynos4412;
+/* tgl key values */
+#define GLOBAL_KEY   ((unsigned int)(-1))
+/* TBM_CACHE */
+#define TBM_EXYNOS_CACHE_INV       0x01 /**< cache invalidate  */
+#define TBM_EXYNOS_CACHE_CLN       0x02 /**< cache clean */
+#define TBM_EXYNOS_CACHE_ALL       0x10 /**< cache all */
+#define TBM_EXYNOS_CACHE_FLUSH     (TBM_EXYNOS_CACHE_INV|TBM_EXYNOS_CACHE_CLN) /**< cache flush  */
+#define TBM_EXYNOS_CACHE_FLUSH_ALL (TBM_EXYNOS_CACHE_FLUSH|TBM_EXYNOS_CACHE_ALL)       /**< cache flush all */
+
+enum {
+       DEVICE_NONE = 0,
+       DEVICE_CA,                                      /* cache aware device */
+       DEVICE_CO                                       /* cache oblivious device */
+};
 
-typedef struct _exynos4412_private
-{
-    int ref_count;
+typedef union _tbm_bo_cache_state tbm_bo_cache_state;
+
+union _tbm_bo_cache_state {
+       unsigned int val;
+       struct {
+               unsigned int cntFlush: 16;      /*Flush all index for sync */
+               unsigned int isCached: 1;
+               unsigned int isDirtied: 2;
+       } data;
+};
+
+typedef struct _tbm_bufmgr_exynos *tbm_bufmgr_exynos;
+typedef struct _tbm_bo_exynos *tbm_bo_exynos;
+
+typedef struct _exynos_private {
+       int ref_count;
+       struct _tbm_bo_exynos *bo_priv;
 } PrivGem;
 
-/* tbm buffor object for exynos4412 */
-struct _tbm_bo_exynos4412
-{
-    int fd;
+/* tbm buffor object for exynos */
+struct _tbm_bo_exynos {
+       int fd;
+
+       unsigned int name;    /* FLINK ID */
 
-    unsigned int name;    /* FLINK ID */
+       unsigned int gem;     /* GEM Handle */
 
-    unsigned int gem;     /* GEM Handle */
+       unsigned int dmabuf;  /* fd for dmabuf */
 
-    unsigned int dmabuf;  /* fd for dmabuf */
+       void *pBase;          /* virtual address */
 
-    void *pBase;          /* virtual address */
+       unsigned int size;
 
-    unsigned int size;
+       unsigned int flags_exynos;
+       unsigned int flags_tbm;
 
-    unsigned int flags_exynos;
-    unsigned int flags_tbm;
+       PrivGem *private;
 
-    PrivGem* private;
+       pthread_mutex_t mutex;
+       struct dma_buf_fence dma_fence[DMA_FENCE_LIST_MAX];
+       int device;
+       int opt;
 
-    pthread_mutex_t mutex;
-    struct dma_buf_fence dma_fence[DMA_FENCE_LIST_MAX];
-    int device;
-    int opt;
+       tbm_bo_cache_state cache_state;
+       unsigned int map_cnt;
 };
 
-/* tbm bufmgr private for exynos4412 */
-struct _tbm_bufmgr_exynos4412
-{
-    int fd;
-    int isLocal;
-    void* hashBos;
+/* tbm bufmgr private for exynos */
+struct _tbm_bufmgr_exynos {
+       int fd;
+       int isLocal;
+       void *hashBos;
 
-    int use_dma_fence;
+       int use_dma_fence;
+
+       int tgl_fd;
+
+       char *device_name;
+       void *bind_display;
 };
 
-char *STR_DEVICE[]=
-{
-    "DEF",
-    "CPU",
-    "2D",
-    "3D",
-    "MM"
+char *STR_DEVICE[] = {
+       "DEF",
+       "CPU",
+       "2D",
+       "3D",
+       "MM"
 };
 
-char *STR_OPT[]=
-{
-    "NONE",
-    "RD",
-    "WR",
-    "RDWR"
+char *STR_OPT[] = {
+       "NONE",
+       "RD",
+       "WR",
+       "RDWR"
 };
 
 
-uint32_t tbm_exynos4412_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 };
+uint32_t tbm_exynos_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
+                                                               };
 
+#ifdef ENABLE_CACHECRTL
+static inline int
+_tgl_init(int fd, unsigned int key)
+{
+       struct tgl_attribute attr;
+       int err;
+
+       attr.key = key;
+       attr.timeout_ms = 1000;
+
+       err = ioctl(fd, TGL_IOC_INIT_LOCK, &attr);
+       if (err) {
+               TBM_EXYNOS_LOG("[libtbm:%d] "
+                              "error(%s) %s:%d key:%d\n",
+                              getpid(), strerror(errno), __func__, __LINE__, key);
+               return 0;
+       }
 
-static unsigned int
-_get_exynos_flag_from_tbm (unsigned int ftbm)
+       return 1;
+}
+
+static inline int
+_tgl_destroy(int fd, unsigned int key)
 {
-    unsigned int flags = 0;
+       int err;
+
+       err = ioctl(fd, TGL_IOC_DESTROY_LOCK, key);
+       if (err) {
+               TBM_EXYNOS_LOG("[libtbm:%d] "
+                              "error(%s) %s:%d key:%d\n",
+                              getpid(), strerror(errno), __func__, __LINE__, key);
+               return 0;
+       }
 
-    if (ftbm & TBM_BO_SCANOUT)
-        flags |= EXYNOS_BO_CONTIG;
-    else
-        flags |= EXYNOS_BO_NONCONTIG;
+       return 1;
+}
+static inline int
+_tgl_set_data(int fd, unsigned int key, unsigned int val)
+{
+       int err;
+
+       struct tgl_user_data arg;
+
+       arg.key = key;
+       arg.data1 = val;
+       err = ioctl(fd, TGL_IOC_SET_DATA, &arg);
+       if (err) {
+               TBM_EXYNOS_LOG("[libtbm:%d] "
+                              "error(%s) %s:%d key:%d\n",
+                              getpid(), strerror(errno), __func__, __LINE__, key);
+               return 0;
+       }
+
+       return 1;
+}
 
-    if (ftbm & TBM_BO_WC)
-        flags |= EXYNOS_BO_WC;
-    else if (ftbm & TBM_BO_NONCACHABLE)
-        flags |= EXYNOS_BO_NONCACHABLE;
-    else
-        flags |= EXYNOS_BO_CACHABLE;
+static inline unsigned int
+_tgl_get_data(int fd, unsigned int key)
+{
+       int err;
+       struct tgl_user_data arg = { 0, };
+
+       arg.key = key;
+       err = ioctl(fd, TGL_IOC_GET_DATA, &arg);
+       if (err) {
+               TBM_EXYNOS_LOG("[libtbm:%d] "
+                              "error(%s) %s:%d key:%d\n",
+                              getpid(), strerror(errno), __func__, __LINE__, key);
+               return 0;
+       }
 
-    return flags;
+       return arg.data1;
 }
 
-static unsigned int
-_get_tbm_flag_from_exynos (unsigned int fexynos)
+static int
+_exynos_cache_flush(tbm_bufmgr_exynos bufmgr_exynos, tbm_bo_exynos bo_exynos, int flags)
 {
-    unsigned int flags = 0;
+       EXYNOS_RETURN_VAL_IF_FAIL(bufmgr_exynos != NULL, 0);
+
+       /* cache flush is managed by kernel side when using dma-fence. */
+       if (bufmgr_exynos->use_dma_fence)
+               return 1;
+
+       EXYNOS_RETURN_VAL_IF_FAIL(bo_exynos != NULL, 0);
+
+       struct drm_exynos_gem_cache_op cache_op = {0, };
+       int ret;
+
+       /* if bo_exynos is null, do cache_flush_all */
+       if (bo_exynos) {
+               cache_op.flags = 0;
+               cache_op.usr_addr = (uint64_t)((uint32_t)bo_exynos->pBase);
+               cache_op.size = bo_exynos->size;
+       } else {
+               flags = TBM_EXYNOS_CACHE_FLUSH_ALL;
+               cache_op.flags = 0;
+               cache_op.usr_addr = 0;
+               cache_op.size = 0;
+       }
+
+       if (flags & TBM_EXYNOS_CACHE_INV) {
+               if (flags & TBM_EXYNOS_CACHE_ALL)
+                       cache_op.flags |= EXYNOS_DRM_CACHE_INV_ALL;
+               else
+                       cache_op.flags |= EXYNOS_DRM_CACHE_INV_RANGE;
+       }
+
+       if (flags & TBM_EXYNOS_CACHE_CLN) {
+               if (flags & TBM_EXYNOS_CACHE_ALL)
+                       cache_op.flags |= EXYNOS_DRM_CACHE_CLN_ALL;
+               else
+                       cache_op.flags |= EXYNOS_DRM_CACHE_CLN_RANGE;
+       }
 
-    if (fexynos & EXYNOS_BO_NONCONTIG)
-        flags |= TBM_BO_DEFAULT;
-    else
-        flags |= TBM_BO_SCANOUT;
+       if (flags & TBM_EXYNOS_CACHE_ALL)
+               cache_op.flags |= EXYNOS_DRM_ALL_CACHES_CORES;
 
-    if (fexynos & EXYNOS_BO_WC)
-        flags |= TBM_BO_WC;
-    else if (fexynos & EXYNOS_BO_CACHABLE)
-        flags |= TBM_BO_DEFAULT;
-    else
-        flags |= TBM_BO_NONCACHABLE;
+       ret = drmCommandWriteRead(fd, DRM_EXYNOS_GEM_CACHE_OP, &cache_op,
+                                 sizeof(cache_op));
+       if (ret) {
+               TBM_EXYNOS_LOG("error fail to flush the cache.\n");
+               return 0;
+       }
 
-    return flags;
+       return 1;
 }
+#endif
 
-static unsigned int
-_get_name (int fd, unsigned int gem)
+static int
+_bo_init_cache_state(tbm_bufmgr_exynos bufmgr_exynos, tbm_bo_exynos bo_exynos, int import)
 {
-    struct drm_gem_flink arg = {0,};
+#ifdef ENABLE_CACHECRTL
+       EXYNOS_RETURN_VAL_IF_FAIL(bufmgr_exynos != NULL, 0);
+       EXYNOS_RETURN_VAL_IF_FAIL(bo_exynos != NULL, 0);
+
+       if (bufmgr_exynos->use_dma_fence)
+               return 1;
 
-    arg.handle = gem;
-    if (drmIoctl (fd, DRM_IOCTL_GEM_FLINK, &arg))
-    {
-        TBM_EXYNOS4412_LOG ("error fail to get flink from gem:%d (DRM_IOCTL_GEM_FLINK)\n",
-                gem);
-        return 0;
-    }
+       tbm_bo_cache_state cache_state;
 
-    return (unsigned int)arg.name;
+       _tgl_init(bufmgr_exynos->tgl_fd, bo_exynos->name);
+
+       if (import == 0) {
+               cache_state.data.isDirtied = DEVICE_NONE;
+               cache_state.data.isCached = 0;
+               cache_state.data.cntFlush = 0;
+
+               _tgl_set_data(bufmgr_exynos->tgl_fd, bo_exynos->name, cache_state.val);
+       }
+#endif
+
+       return 1;
 }
 
-static tbm_bo_handle
-_exynos4412_bo_handle (tbm_bo_exynos4412 bo_exynos4412, int device)
+static int
+_bo_set_cache_state(tbm_bufmgr_exynos bufmgr_exynos, tbm_bo_exynos bo_exynos, int device, int opt)
 {
-    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_exynos4412->gem;
-        break;
-    case TBM_DEVICE_CPU:
-        if (!bo_exynos4412->pBase)
-        {
-            struct drm_exynos_gem_map arg = {0,};
-            void *map = NULL;
-
-            arg.handle = bo_exynos4412->gem;
-            if (drmCommandWriteRead (bo_exynos4412->fd, DRM_EXYNOS_GEM_MAP, &arg, sizeof(arg)))
-            {
-               TBM_EXYNOS4412_LOG ("error Cannot map_dumb gem=%d\n", bo_exynos4412->gem);
-               return (tbm_bo_handle) NULL;
-            }
-
-            map = mmap (NULL, bo_exynos4412->size, PROT_READ|PROT_WRITE, MAP_SHARED,
-                              bo_exynos4412->fd, arg.offset);
-            if (map == MAP_FAILED)
-            {
-                TBM_EXYNOS4412_LOG ("error Cannot usrptr gem=%d\n", bo_exynos4412->gem);
-                return (tbm_bo_handle) NULL;
-            }
-            bo_exynos4412->pBase = map;
-        }
-        bo_handle.ptr = (void *)bo_exynos4412->pBase;
-        break;
-    case TBM_DEVICE_3D:
-#ifdef USE_DMAIMPORT
-        if (bo_exynos4412->dmabuf)
-        {
-            bo_handle.u32 = (uint32_t)bo_exynos4412->dmabuf;
-            break;
-        }
-
-        if (!bo_exynos4412->dmabuf)
-        {
-            struct drm_prime_handle arg = {0, };
-
-            arg.handle = bo_exynos4412->gem;
-            if (drmIoctl (bo_exynos4412->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg))
-            {
-                TBM_EXYNOS4412_LOG ("error Cannot dmabuf=%d\n", bo_exynos4412->gem);
-                return (tbm_bo_handle) NULL;
-            }
-            bo_exynos4412->dmabuf = arg.fd;
-        }
-
-        bo_handle.u32 = (uint32_t)bo_exynos4412->dmabuf;
+#ifdef ENABLE_CACHECRTL
+       EXYNOS_RETURN_VAL_IF_FAIL(bufmgr_exynos != NULL, 0);
+       EXYNOS_RETURN_VAL_IF_FAIL(bo_exynos != NULL, 0);
+
+       if (bufmgr_exynos->use_dma_fence)
+               return 1;
+
+       char need_flush = 0;
+       unsigned short cntFlush = 0;
+
+       if (bo_exynos->flags_exynos & EXYNOS_BO_NONCACHABLE)
+               return 1;
+
+       /* get cache state of a bo */
+       bo_exynos->cache_state.val = _tgl_get_data(bufmgr_exynos->tgl_fd,
+                                    bo_exynos->name);
+
+       /* get global cache flush count */
+       cntFlush = (unsigned short)_tgl_get_data(bufmgr_exynos->tgl_fd, GLOBAL_KEY);
+
+       if (opt == TBM_DEVICE_CPU) {
+               if (bo_exynos->cache_state.data.isDirtied == DEVICE_CO &&
+                   bo_exynos->cache_state.data.isCached)
+                       need_flush = TBM_EXYNOS_CACHE_INV;
+
+               bo_exynos->cache_state.data.isCached = 1;
+               if (opt & TBM_OPTION_WRITE)
+                       bo_exynos->cache_state.data.isDirtied = DEVICE_CA;
+               else {
+                       if (bo_exynos->cache_state.data.isDirtied != DEVICE_CA)
+                               bo_exynos->cache_state.data.isDirtied = DEVICE_NONE;
+               }
+       } else {
+               if (bo_exynos->cache_state.data.isDirtied == DEVICE_CA &&
+                   bo_exynos->cache_state.data.isCached &&
+                   bo_exynos->cache_state.data.cntFlush == cntFlush)
+                       need_flush = TBM_EXYNOS_CACHE_CLN | TBM_EXYNOS_CACHE_ALL;
+
+               if (opt & TBM_OPTION_WRITE)
+                       bo_exynos->cache_state.data.isDirtied = DEVICE_CO;
+               else {
+                       if (bo_exynos->cache_state.data.isDirtied != DEVICE_CO)
+                               bo_exynos->cache_state.data.isDirtied = DEVICE_NONE;
+               }
+       }
+
+       if (need_flush) {
+               if (need_flush & TBM_EXYNOS_CACHE_ALL)
+                       _tgl_set_data(bufmgr_exynos->tgl_fd, GLOBAL_KEY, (unsigned int)(++cntFlush));
+
+               /* call cache flush */
+               _exynos_cache_flush(bufmgr_exynos, bo_exynos, need_flush);
+
+               DBG("[libtbm:%d] \tcache(%d,%d)....flush:0x%x, cntFlush(%d)\n",
+                   getpid(),
+                   bo_exynos->cache_state.data.isCached,
+                   bo_exynos->cache_state.data.isDirtied,
+                   need_flush,
+                   cntFlush);
+       }
 #endif
-        break;
-    case TBM_DEVICE_MM:
-        if (!bo_exynos4412->dmabuf)
-        {
-            struct drm_prime_handle arg = {0, };
-
-            arg.handle = bo_exynos4412->gem;
-            if (drmIoctl (bo_exynos4412->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg))
-            {
-                TBM_EXYNOS4412_LOG ("error Cannot dmabuf=%d\n", bo_exynos4412->gem);
-                return (tbm_bo_handle) NULL;
-            }
-            bo_exynos4412->dmabuf = arg.fd;
-        }
-
-        bo_handle.u32 = (uint32_t)bo_exynos4412->dmabuf;
-        break;
-    default:
-        TBM_EXYNOS4412_LOG ("error Not supported device:%d\n", device);
-        bo_handle.ptr = (void *) NULL;
-        break;
-    }
-
-    return bo_handle;
+
+       return 1;
 }
 
 static int
-_exynos4412_cache_flush (int fd, tbm_bo_exynos4412 bo_exynos4412, int flags)
+_bo_save_cache_state(tbm_bufmgr_exynos bufmgr_exynos, tbm_bo_exynos bo_exynos)
 {
 #ifdef ENABLE_CACHECRTL
-    struct drm_exynos_gem_cache_op cache_op = {0, };
-    int ret;
-
-    /* if bo_exynos4412 is null, do cache_flush_all */
-    if(bo_exynos4412)
-    {
-        cache_op.flags = 0;
-        cache_op.usr_addr = (uint64_t)((uint32_t)bo_exynos4412->pBase);
-        cache_op.size = bo_exynos4412->size;
-    }
-    else
-    {
-        flags = TBM_CACHE_FLUSH_ALL;
-        cache_op.flags = 0;
-        cache_op.usr_addr = 0;
-        cache_op.size = 0;
-    }
-
-    if (flags & TBM_CACHE_INV)
-    {
-        if(flags & TBM_CACHE_ALL)
-            cache_op.flags |= EXYNOS_DRM_CACHE_INV_ALL;
-        else
-            cache_op.flags |= EXYNOS_DRM_CACHE_INV_RANGE;
-    }
-
-    if (flags & TBM_CACHE_CLN)
-    {
-        if(flags & TBM_CACHE_ALL)
-            cache_op.flags |= EXYNOS_DRM_CACHE_CLN_ALL;
-        else
-            cache_op.flags |= EXYNOS_DRM_CACHE_CLN_RANGE;
-    }
-
-    if(flags & TBM_CACHE_ALL)
-        cache_op.flags |= EXYNOS_DRM_ALL_CACHES_CORES;
-
-    ret = drmCommandWriteRead (fd, DRM_EXYNOS_GEM_CACHE_OP, &cache_op, sizeof(cache_op));
-    if (ret)
-    {
-        TBM_EXYNOS4412_LOG ("error fail to flush the cache.\n");
-        return 0;
-    }
-#else
-    TBM_EXYNOS4412_LOG ("warning fail to enable the cache flush.\n");
+       EXYNOS_RETURN_VAL_IF_FAIL(bufmgr_exynos != NULL, 0);
+       EXYNOS_RETURN_VAL_IF_FAIL(bo_exynos != NULL, 0);
+
+       if (bufmgr_exynos->use_dma_fence)
+               return 1;
+
+       unsigned short cntFlush = 0;
+
+       /* get global cache flush count */
+       cntFlush = (unsigned short)_tgl_get_data(bufmgr_exynos->tgl_fd, GLOBAL_KEY);
+
+       /* save global cache flush count */
+       bo_exynos->cache_state.data.cntFlush = cntFlush;
+       _tgl_set_data(bufmgr_exynos->tgl_fd, bo_exynos->name,
+                     bo_exynos->cache_state.val);
+#endif
+
+       return 1;
+}
+
+static void
+_bo_destroy_cache_state(tbm_bufmgr_exynos bufmgr_exynos, tbm_bo_exynos bo_exynos)
+{
+#ifdef ENABLE_CACHECRTL
+       EXYNOS_RETURN_IF_FAIL(bufmgr_exynos != NULL);
+       EXYNOS_RETURN_IF_FAIL(bo_exynos != NULL);
+
+       if (bufmgr_exynos->use_dma_fence)
+               return ;
+
+       _tgl_destroy(bufmgr_exynos->tgl_fd, bo_exynos->name);
 #endif
-    return 1;
 }
 
 static int
-tbm_exynos4412_bo_size (tbm_bo bo)
+_bufmgr_init_cache_state(tbm_bufmgr_exynos bufmgr_exynos)
 {
-    EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+#ifdef ENABLE_CACHECRTL
+       EXYNOS_RETURN_IF_FAIL(bufmgr_exynos != NULL);
+
+       if (bufmgr_exynos->use_dma_fence)
+               return 1;
 
-    tbm_bo_exynos4412 bo_exynos4412;
+       /* open tgl fd for saving cache flush data */
+       bufmgr_exynos->tgl_fd = open(tgl_devfile, O_RDWR);
 
-    bo_exynos4412 = (tbm_bo_exynos4412)tbm_backend_get_bo_priv(bo);
+       if (bufmgr_exynos->tgl_fd < 0) {
+               bufmgr_exynos->tgl_fd = open(tgl_devfile1, O_RDWR);
+               if (bufmgr_exynos->tgl_fd < 0) {
+                       TBM_EXYNOS_LOG("[libtbm-exynos:%d] "
+                                      "error: Fail to open global_lock:%s\n",
+                                      getpid(), tgl_devfile);
 
-    return bo_exynos4412->size;
+                       close(bufmgr_exynos->tgl_fd);
+                       return 0;
+               }
+       }
+
+       if (!_tgl_init(bufmgr_exynos->tgl_fd, GLOBAL_KEY)) {
+               TBM_EXYNOS_LOG("[libtbm-exynos:%d] "
+                              "error: Fail to initialize the tgl\n",
+                              getpid());
+
+               close(bufmgr_exynos->tgl_fd);
+               return 0;
+       }
+#endif
+
+       return 1;
+}
+
+static void
+_bufmgr_deinit_cache_state(tbm_bufmgr_exynos bufmgr_exynos)
+{
+#ifdef ENABLE_CACHECRTL
+       EXYNOS_RETURN_IF_FAIL(bufmgr_exynos != NULL);
+
+       if (bufmgr_exynos->use_dma_fence)
+               return;
+
+       if (bufmgr_exynos->tgl_fd >= 0)
+               close(bufmgr_exynos->tgl_fd);
+#endif
+}
+
+static int
+_tbm_exynos_open_drm()
+{
+       int fd = -1;
+
+       fd = drmOpen(EXYNOS_DRM_NAME, NULL);
+       if (fd < 0) {
+               TBM_EXYNOS_LOG ("[libtbm-exynos:%d] "
+                             "warning %s:%d fail to open drm\n",
+                             getpid(), __FUNCTION__, __LINE__);
+       }
+
+       if (fd < 0) {
+               struct udev *udev = NULL;
+               struct udev_enumerate *e = NULL;
+               struct udev_list_entry *entry = NULL;
+               struct udev_device *device = NULL, *drm_device = NULL, *device_parent = NULL;
+               const char *filepath;
+               struct stat s;
+               int fd = -1;
+               int ret;
+
+               TBM_EXYNOS_LOG ("[libtbm-exynos:%d] "
+                             "%s:%d search drm-device by udev\n",
+                             getpid(), __FUNCTION__, __LINE__);
+
+               udev = udev_new();
+               if (!udev) {
+                       TBM_EXYNOS_LOG("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);
+
+               udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(e)) {
+                       device = udev_device_new_from_syspath(udev_enumerate_get_udev(e),
+                                                             udev_list_entry_get_name(entry));
+                       device_parent = udev_device_get_parent(device);
+                       /* Not need unref device_parent. device_parent and device have same refcnt */
+                       if (device_parent) {
+                               if (strcmp(udev_device_get_sysname(device_parent), "exynos-drm") == 0) {
+                                       drm_device = device;
+                                       DBG("[%s] Found render device: '%s' (%s)\n",
+                                           target_name(),
+                                           udev_device_get_syspath(drm_device),
+                                           udev_device_get_sysname(device_parent));
+                                       break;
+                               }
+                       }
+                       udev_device_unref(device);
+               }
+
+               udev_enumerate_unref(e);
+
+               /* Get device file path. */
+               filepath = udev_device_get_devnode(drm_device);
+               if (!filepath) {
+                       TBM_EXYNOS_LOG("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_EXYNOS_LOG("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_EXYNOS_LOG("fstat() failed %s.\n");
+                       udev_device_unref(drm_device);
+                       udev_unref(udev);
+                       return -1;
+               }
+
+               udev_device_unref(drm_device);
+               udev_unref(udev);
+       }
+
+       return fd;
+}
+
+static int
+_check_render_node(void)
+{
+       struct udev *udev = NULL;
+       struct udev_enumerate *e = NULL;
+       struct udev_list_entry *entry = NULL;
+       struct udev_device *device = NULL, *drm_device = NULL, *device_parent = NULL;
+
+       udev = udev_new();
+       if (!udev) {
+               TBM_EXYNOS_LOG("udev_new() failed.\n");
+               return -1;
+       }
+
+       e = udev_enumerate_new(udev);
+       udev_enumerate_add_match_subsystem(e, "drm");
+       udev_enumerate_add_match_sysname(e, "renderD[0-9]*");
+       udev_enumerate_scan_devices(e);
+
+       udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(e)) {
+               device = udev_device_new_from_syspath(udev_enumerate_get_udev(e),
+                                                     udev_list_entry_get_name(entry));
+               device_parent = udev_device_get_parent(device);
+               /* Not need unref device_parent. device_parent and device have same refcnt */
+               if (device_parent) {
+                       if (strcmp(udev_device_get_sysname(device_parent), "exynos-drm") == 0) {
+                               drm_device = device;
+                               DBG("[%s] Found render device: '%s' (%s)\n",
+                                   target_name(),
+                                   udev_device_get_syspath(drm_device),
+                                   udev_device_get_sysname(device_parent));
+                               break;
+                       }
+               }
+               udev_device_unref(device);
+       }
+
+       udev_enumerate_unref(e);
+       udev_unref(udev);
+
+       if (!drm_device) {
+               udev_device_unref(drm_device);
+               return 0;
+       }
+
+       udev_device_unref(drm_device);
+       return 1;
+}
+
+static int
+_get_render_node(void)
+{
+       struct udev *udev = NULL;
+       struct udev_enumerate *e = NULL;
+       struct udev_list_entry *entry = NULL;
+       struct udev_device *device = NULL, *drm_device = NULL, *device_parent = NULL;
+       const char *filepath;
+       struct stat s;
+       int fd = -1;
+       int ret;
+
+       udev = udev_new();
+       if (!udev) {
+               TBM_EXYNOS_LOG("udev_new() failed.\n");
+               return -1;
+       }
+
+       e = udev_enumerate_new(udev);
+       udev_enumerate_add_match_subsystem(e, "drm");
+       udev_enumerate_add_match_sysname(e, "renderD[0-9]*");
+       udev_enumerate_scan_devices(e);
+
+       udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(e)) {
+               device = udev_device_new_from_syspath(udev_enumerate_get_udev(e),
+                                                     udev_list_entry_get_name(entry));
+               device_parent = udev_device_get_parent(device);
+               /* Not need unref device_parent. device_parent and device have same refcnt */
+               if (device_parent) {
+                       if (strcmp(udev_device_get_sysname(device_parent), "exynos-drm") == 0) {
+                               drm_device = device;
+                               DBG("[%s] Found render device: '%s' (%s)\n",
+                                   target_name(),
+                                   udev_device_get_syspath(drm_device),
+                                   udev_device_get_sysname(device_parent));
+                               break;
+                       }
+               }
+               udev_device_unref(device);
+       }
+
+       udev_enumerate_unref(e);
+
+       /* Get device file path. */
+       filepath = udev_device_get_devnode(drm_device);
+       if (!filepath) {
+               TBM_EXYNOS_LOG("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_EXYNOS_LOG("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_EXYNOS_LOG("fstat() failed %s.\n");
+               udev_device_unref(drm_device);
+               udev_unref(udev);
+               close(fd);
+               return -1;
+       }
+
+       udev_device_unref(drm_device);
+       udev_unref(udev);
+
+       return fd;
+}
+
+static unsigned int
+_get_exynos_flag_from_tbm(unsigned int ftbm)
+{
+       unsigned int flags = 0;
+
+       if (ftbm & TBM_BO_SCANOUT)
+               flags |= EXYNOS_BO_CONTIG;
+       else
+               flags |= EXYNOS_BO_NONCONTIG;
+
+       if (ftbm & TBM_BO_WC)
+               flags |= EXYNOS_BO_WC;
+       else if (ftbm & TBM_BO_NONCACHABLE)
+               flags |= EXYNOS_BO_NONCACHABLE;
+       else
+               flags |= EXYNOS_BO_CACHABLE;
+
+       return flags;
+}
+
+static unsigned int
+_get_tbm_flag_from_exynos(unsigned int fexynos)
+{
+       unsigned int flags = 0;
+
+       if (fexynos & EXYNOS_BO_NONCONTIG)
+               flags |= TBM_BO_DEFAULT;
+       else
+               flags |= TBM_BO_SCANOUT;
+
+       if (fexynos & EXYNOS_BO_WC)
+               flags |= TBM_BO_WC;
+       else if (fexynos & EXYNOS_BO_CACHABLE)
+               flags |= TBM_BO_DEFAULT;
+       else
+               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_EXYNOS_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
+_exynos_bo_handle(tbm_bo_exynos bo_exynos, 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_exynos->gem;
+               break;
+       case TBM_DEVICE_CPU:
+               if (!bo_exynos->pBase) {
+                       struct drm_exynos_gem_map arg = {0,};
+                       void *map = NULL;
+
+                       arg.handle = bo_exynos->gem;
+                       if (drmCommandWriteRead(bo_exynos->fd, DRM_EXYNOS_GEM_MAP, &arg,
+                                               sizeof(arg))) {
+                               TBM_EXYNOS_LOG("error Cannot map_dumb gem=%d\n", bo_exynos->gem);
+                               return (tbm_bo_handle) NULL;
+                       }
+
+                       map = mmap(NULL, bo_exynos->size, PROT_READ | PROT_WRITE, MAP_SHARED,
+                                  bo_exynos->fd, arg.offset);
+                       if (map == MAP_FAILED) {
+                               TBM_EXYNOS_LOG("error Cannot usrptr gem=%d\n", bo_exynos->gem);
+                               return (tbm_bo_handle) NULL;
+                       }
+                       bo_exynos->pBase = map;
+               }
+               bo_handle.ptr = (void *)bo_exynos->pBase;
+               break;
+       case TBM_DEVICE_3D:
+#ifdef USE_DMAIMPORT
+               if (bo_exynos->dmabuf) {
+                       bo_handle.u32 = (uint32_t)bo_exynos->dmabuf;
+                       break;
+               }
+
+               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_LOG("error Cannot dmabuf=%d\n", bo_exynos->gem);
+                               return (tbm_bo_handle) NULL;
+                       }
+                       bo_exynos->dmabuf = arg.fd;
+               }
+
+               bo_handle.u32 = (uint32_t)bo_exynos->dmabuf;
+#endif
+               break;
+       case TBM_DEVICE_MM:
+               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_LOG("error Cannot dmabuf=%d\n", bo_exynos->gem);
+                               return (tbm_bo_handle) NULL;
+                       }
+                       bo_exynos->dmabuf = arg.fd;
+               }
+
+               bo_handle.u32 = (uint32_t)bo_exynos->dmabuf;
+               break;
+       default:
+               TBM_EXYNOS_LOG("error Not supported device:%d\n", device);
+               bo_handle.ptr = (void *) NULL;
+               break;
+       }
+
+       return bo_handle;
+}
+
+static int
+tbm_exynos_bo_size(tbm_bo bo)
+{
+       EXYNOS_RETURN_VAL_IF_FAIL(bo != NULL, 0);
+
+       tbm_bo_exynos bo_exynos;
+
+       bo_exynos = (tbm_bo_exynos)tbm_backend_get_bo_priv(bo);
+       EXYNOS_RETURN_VAL_IF_FAIL(bo_exynos != NULL, 0);
+
+       return bo_exynos->size;
 }
 
 static void *
-tbm_exynos4412_bo_alloc (tbm_bo bo, int size, int flags)
+tbm_exynos_bo_alloc(tbm_bo bo, int size, int flags)
 {
-    EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
-
-    tbm_bo_exynos4412 bo_exynos4412;
-    tbm_bufmgr_exynos4412 bufmgr_exynos4412;
-    unsigned int exynos_flags;
-
-    bufmgr_exynos4412 = (tbm_bufmgr_exynos4412)tbm_backend_get_bufmgr_priv(bo);
-    EXYNOS4412_RETURN_VAL_IF_FAIL (bufmgr_exynos4412!=NULL, 0);
-
-    bo_exynos4412 = calloc (1, sizeof(struct _tbm_bo_exynos4412));
-    if (!bo_exynos4412)
-    {
-        TBM_EXYNOS4412_LOG ("error fail to allocate the bo private\n");
-        return 0;
-    }
-
-    exynos_flags = _get_exynos_flag_from_tbm (flags);
-    if((flags & TBM_BO_SCANOUT) &&
-        size <= 4*1024)
-    {
-        exynos_flags |= EXYNOS_BO_NONCONTIG;
-    }
-
-    struct drm_exynos_gem_create arg = {0, };
-    arg.size = size;
-    arg.flags = exynos_flags;
-    if (drmCommandWriteRead(bufmgr_exynos4412->fd, DRM_EXYNOS_GEM_CREATE, &arg, sizeof(arg)))
-    {
-        TBM_EXYNOS4412_LOG ("error Cannot create bo(flag:%x, size:%d)\n", arg.flags, (unsigned int)arg.size);
-        free (bo_exynos4412);
-        return 0;
-    }
-
-    bo_exynos4412->fd = bufmgr_exynos4412->fd;
-    bo_exynos4412->gem = arg.handle;
-    bo_exynos4412->size = size;
-    bo_exynos4412->flags_tbm = flags;
-    bo_exynos4412->flags_exynos = exynos_flags;
-    bo_exynos4412->name = _get_name (bo_exynos4412->fd, bo_exynos4412->gem);
-
-    pthread_mutex_init(&bo_exynos4412->mutex, NULL);
-
-    if (bufmgr_exynos4412->use_dma_fence
-        && !bo_exynos4412->dmabuf)
-    {
-        struct drm_prime_handle arg = {0, };
-
-        arg.handle = bo_exynos4412->gem;
-        if (drmIoctl (bo_exynos4412->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg))
-        {
-            TBM_EXYNOS4412_LOG ("error Cannot dmabuf=%d\n", bo_exynos4412->gem);
-            free (bo_exynos4412);
-            return 0;
-        }
-        bo_exynos4412->dmabuf = arg.fd;
-    }
-
-    /* add bo to hash */
-    PrivGem* privGem = calloc (1, sizeof(PrivGem));
-    if (!privGem)
-    {
-        TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
-                "error %s:%d Fail to calloc privGem\n",
-                getpid(), __FUNCTION__, __LINE__);
-        free (bo_exynos4412);
-        return 0;
-    }
-
-    privGem->ref_count = 1;
-    if (drmHashInsert(bufmgr_exynos4412->hashBos, bo_exynos4412->name, (void *)privGem) < 0)
-    {
-        TBM_EXYNOS4412_LOG ("error Cannot insert bo to Hash(%d)\n", bo_exynos4412->name);
-    }
-
-    DBG ("     [%s] bo:%p, gem:%d(%d), flags:%d(%d), size:%d\n", target_name(),
-         bo,
-         bo_exynos4412->gem, bo_exynos4412->name,
-         flags, exynos_flags,
-         bo_exynos4412->size);
-
-    return (void *)bo_exynos4412;
+       EXYNOS_RETURN_VAL_IF_FAIL(bo != NULL, 0);
+
+       tbm_bo_exynos bo_exynos;
+       tbm_bufmgr_exynos bufmgr_exynos;
+       unsigned int exynos_flags;
+
+       bufmgr_exynos = (tbm_bufmgr_exynos)tbm_backend_get_bufmgr_priv(bo);
+       EXYNOS_RETURN_VAL_IF_FAIL(bufmgr_exynos != NULL, 0);
+
+       bo_exynos = calloc(1, sizeof(struct _tbm_bo_exynos));
+       if (!bo_exynos) {
+               TBM_EXYNOS_LOG("error fail to allocate the bo private\n");
+               return 0;
+       }
+
+       exynos_flags = _get_exynos_flag_from_tbm(flags);
+       if ((flags & TBM_BO_SCANOUT) &&
+           size <= 4 * 1024) {
+               exynos_flags |= EXYNOS_BO_NONCONTIG;
+       }
+
+       struct drm_exynos_gem_create arg = {0, };
+
+       arg.size = (uint64_t)size;
+       arg.flags = exynos_flags;
+       if (drmCommandWriteRead(bufmgr_exynos->fd, DRM_EXYNOS_GEM_CREATE, &arg,
+                               sizeof(arg))) {
+               TBM_EXYNOS_LOG("error Cannot create bo(flag:%x, size:%d)\n", arg.flags,
+                              (unsigned int)arg.size);
+               free(bo_exynos);
+               return 0;
+       }
+
+       bo_exynos->fd = bufmgr_exynos->fd;
+       bo_exynos->gem = arg.handle;
+       bo_exynos->size = size;
+       bo_exynos->flags_tbm = flags;
+       bo_exynos->flags_exynos = exynos_flags;
+       bo_exynos->name = _get_name(bo_exynos->fd, bo_exynos->gem);
+
+       if (!_bo_init_cache_state(bufmgr_exynos, bo_exynos, 0)) {
+               TBM_EXYNOS_LOG("error fail init cache state(%d)\n", bo_exynos->name);
+               free(bo_exynos);
+               return 0;
+       }
+
+       pthread_mutex_init(&bo_exynos->mutex, NULL);
+
+       if (bufmgr_exynos->use_dma_fence
+           && !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_LOG("error Cannot dmabuf=%d\n", bo_exynos->gem);
+                       free(bo_exynos);
+                       return 0;
+               }
+               bo_exynos->dmabuf = arg.fd;
+       }
+
+       /* add bo to hash */
+       PrivGem *privGem = calloc(1, sizeof(PrivGem));
+
+       if (!privGem) {
+               TBM_EXYNOS_LOG("[libtbm-exynos:%d] "
+                              "error %s:%d Fail to calloc privGem\n",
+                              getpid(), __func__, __LINE__);
+               free(bo_exynos);
+               return 0;
+       }
+
+       privGem->ref_count = 1;
+       privGem->bo_priv = bo_exynos;
+
+       if (drmHashInsert(bufmgr_exynos->hashBos, bo_exynos->name,
+                         (void *)privGem) < 0) {
+               TBM_EXYNOS_LOG("error Cannot insert bo to Hash(%d)\n", bo_exynos->name);
+       }
+
+       DBG("     [%s] bo:%p, gem:%d(%d), flags:%d(%d), size:%d\n", target_name(),
+           bo,
+           bo_exynos->gem, bo_exynos->name,
+           flags, exynos_flags,
+           bo_exynos->size);
+
+       return (void *)bo_exynos;
 }
 
 static void
-tbm_exynos4412_bo_free(tbm_bo bo)
+tbm_exynos_bo_free(tbm_bo bo)
 {
-    tbm_bo_exynos4412 bo_exynos4412;
-    tbm_bufmgr_exynos4412 bufmgr_exynos4412;
-
-    if (!bo)
-        return;
-
-    bufmgr_exynos4412 = (tbm_bufmgr_exynos4412)tbm_backend_get_bufmgr_priv(bo);
-    EXYNOS4412_RETURN_IF_FAIL (bufmgr_exynos4412!=NULL);
-
-    bo_exynos4412 = (tbm_bo_exynos4412)tbm_backend_get_bo_priv(bo);
-    EXYNOS4412_RETURN_IF_FAIL (bo_exynos4412!=NULL);
-
-    DBG ("      [%s] bo:%p, gem:%d(%d), fd:%d, size:%d\n",target_name(),
-         bo,
-         bo_exynos4412->gem, bo_exynos4412->name,
-         bo_exynos4412->dmabuf,
-         bo_exynos4412->size);
-
-    if (bo_exynos4412->pBase)
-    {
-        if (munmap(bo_exynos4412->pBase, bo_exynos4412->size) == -1)
-        {
-            TBM_EXYNOS4412_LOG ("error bo:%p fail to munmap(%s)\n",
-                bo, strerror(errno));
-        }
-    }
-
-    /* close dmabuf */
-    if (bo_exynos4412->dmabuf)
-    {
-        close (bo_exynos4412->dmabuf);
-        bo_exynos4412->dmabuf = 0;
-    }
-
-    /* delete bo from hash */
-    PrivGem *privGem = NULL;
-    int ret;
-
-    ret = drmHashLookup (bufmgr_exynos4412->hashBos, bo_exynos4412->name, (void**)&privGem);
-    if (ret == 0)
-    {
-        privGem->ref_count--;
-        if (privGem->ref_count == 0)
-        {
-            drmHashDelete (bufmgr_exynos4412->hashBos, bo_exynos4412->name);
-            free (privGem);
-            privGem = NULL;
-        }
-    }
-    else
-    {
-        TBM_EXYNOS4412_LOG ("warning Cannot find bo to Hash(%d), ret=%d\n", bo_exynos4412->name, ret);
-    }
-
-    /* Free gem handle */
-    struct drm_gem_close arg = {0, };
-    memset (&arg, 0, sizeof(arg));
-    arg.handle = bo_exynos4412->gem;
-    if (drmIoctl (bo_exynos4412->fd, DRM_IOCTL_GEM_CLOSE, &arg))
-    {
-        TBM_EXYNOS4412_LOG ("error bo:%p fail to gem close.(%s)\n",
-            bo, strerror(errno));
-    }
-
-    free (bo_exynos4412);
+       tbm_bo_exynos bo_exynos;
+       tbm_bufmgr_exynos bufmgr_exynos;
+
+       if (!bo)
+               return;
+
+       bufmgr_exynos = (tbm_bufmgr_exynos)tbm_backend_get_bufmgr_priv(bo);
+       EXYNOS_RETURN_IF_FAIL(bufmgr_exynos != NULL);
+
+       bo_exynos = (tbm_bo_exynos)tbm_backend_get_bo_priv(bo);
+       EXYNOS_RETURN_IF_FAIL(bo_exynos != NULL);
+
+       DBG("      [%s] bo:%p, gem:%d(%d), fd:%d, size:%d\n", target_name(),
+           bo,
+           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_LOG("error bo:%p fail to munmap(%s)\n",
+                                      bo, strerror(errno));
+               }
+       }
+
+       /* close dmabuf */
+       if (bo_exynos->dmabuf) {
+               close(bo_exynos->dmabuf);
+               bo_exynos->dmabuf = 0;
+       }
+
+       /* delete bo from hash */
+       PrivGem *privGem = NULL;
+       int ret;
+
+       ret = drmHashLookup(bufmgr_exynos->hashBos, bo_exynos->name,
+                            (void **)&privGem);
+       if (ret == 0) {
+               privGem->ref_count--;
+               if (privGem->ref_count == 0) {
+                       drmHashDelete(bufmgr_exynos->hashBos, bo_exynos->name);
+                       free(privGem);
+                       privGem = NULL;
+               }
+       } else {
+               TBM_EXYNOS_LOG("warning Cannot find bo to Hash(%d), ret=%d\n", bo_exynos->name,
+                              ret);
+       }
+
+       _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_LOG("error bo:%p fail to gem close.(%s)\n",
+                              bo, strerror(errno));
+       }
+
+       free(bo_exynos);
 }
 
 
 static void *
-tbm_exynos4412_bo_import (tbm_bo bo, unsigned int key)
+tbm_exynos_bo_import(tbm_bo bo, unsigned int key)
 {
-    EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
-
-    tbm_bufmgr_exynos4412 bufmgr_exynos4412;
-    tbm_bo_exynos4412 bo_exynos4412;
-
-    bufmgr_exynos4412 = (tbm_bufmgr_exynos4412)tbm_backend_get_bufmgr_priv(bo);
-    EXYNOS4412_RETURN_VAL_IF_FAIL (bufmgr_exynos4412!=NULL, 0);
-
-    struct drm_gem_open arg = {0, };
-    struct drm_exynos_gem_info info = {0, };
-
-    arg.name = key;
-    if (drmIoctl(bufmgr_exynos4412->fd, DRM_IOCTL_GEM_OPEN, &arg))
-    {
-        TBM_EXYNOS4412_LOG ("error Cannot open gem name=%d\n", key);
-        return 0;
-    }
-
-    info.handle = arg.handle;
-    if (drmCommandWriteRead(bufmgr_exynos4412->fd,
-                           DRM_EXYNOS_GEM_GET,
-                           &info,
-                           sizeof(struct drm_exynos_gem_info)))
-    {
-        TBM_EXYNOS4412_LOG ("error Cannot get gem info=%d\n", key);
-        return 0;
-    }
-
-    bo_exynos4412 = calloc (1, sizeof(struct _tbm_bo_exynos4412));
-    if (!bo_exynos4412)
-    {
-        TBM_EXYNOS4412_LOG ("error fail to allocate the bo private\n");
-        return 0;
-    }
-
-    bo_exynos4412->fd = bufmgr_exynos4412->fd;
-    bo_exynos4412->gem = arg.handle;
-    bo_exynos4412->size = arg.size;
-    bo_exynos4412->flags_exynos = info.flags;
-    bo_exynos4412->name = key;
-    bo_exynos4412->flags_tbm = _get_tbm_flag_from_exynos (bo_exynos4412->flags_exynos);
-
-    if (!bo_exynos4412->dmabuf)
-    {
-        struct drm_prime_handle arg = {0, };
-
-        arg.handle = bo_exynos4412->gem;
-        if (drmIoctl (bo_exynos4412->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg))
-        {
-            TBM_EXYNOS4412_LOG ("error Cannot dmabuf=%d\n", bo_exynos4412->gem);
-            free (bo_exynos4412);
-            return 0;
-        }
-        bo_exynos4412->dmabuf = arg.fd;
-    }
-
-    /* add bo to hash */
-    PrivGem *privGem = NULL;
-    int ret;
-
-    ret = drmHashLookup (bufmgr_exynos4412->hashBos, bo_exynos4412->name, (void**)&privGem);
-    if (ret == 0)
-    {
-        privGem->ref_count++;
-    }
-    else if (ret == 1)
-    {
-        privGem = calloc (1, sizeof(PrivGem));
-        if (!privGem)
-        {
-            TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
-                    "error %s:%d Fail to calloc privGem\n",
-                    getpid(), __FUNCTION__, __LINE__);
-            free (bo_exynos4412);
-            return 0;
-        }
-
-        privGem->ref_count = 1;
-        if (drmHashInsert (bufmgr_exynos4412->hashBos, bo_exynos4412->name, (void *)privGem) < 0)
-        {
-            TBM_EXYNOS4412_LOG ("error Cannot insert bo to Hash(%d)\n", bo_exynos4412->name);
-        }
-    }
-    else
-    {
-        TBM_EXYNOS4412_LOG ("error Cannot insert bo to Hash(%d)\n", bo_exynos4412->name);
-    }
-
-    DBG ("    [%s] bo:%p, gem:%d(%d), fd:%d, flags:%d(%d), size:%d\n", target_name(),
-         bo,
-         bo_exynos4412->gem, bo_exynos4412->name,
-         bo_exynos4412->dmabuf,
-         bo_exynos4412->flags_tbm, bo_exynos4412->flags_exynos,
-         bo_exynos4412->size);
-
-    return (void *)bo_exynos4412;
+       EXYNOS_RETURN_VAL_IF_FAIL(bo != NULL, 0);
+
+       tbm_bufmgr_exynos bufmgr_exynos;
+       tbm_bo_exynos bo_exynos;
+       PrivGem *privGem = NULL;
+       int ret;
+
+       bufmgr_exynos = (tbm_bufmgr_exynos)tbm_backend_get_bufmgr_priv(bo);
+       EXYNOS_RETURN_VAL_IF_FAIL(bufmgr_exynos != NULL, 0);
+
+       ret = drmHashLookup(bufmgr_exynos->hashBos, key, (void **)&privGem);
+       if (ret == 0) {
+               return privGem->bo_priv;
+       }
+
+       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_LOG("error Cannot open gem name=%d\n", key);
+               return 0;
+       }
+
+       info.handle = arg.handle;
+       if (drmCommandWriteRead(bufmgr_exynos->fd,
+                               DRM_EXYNOS_GEM_GET,
+                               &info,
+                               sizeof(struct drm_exynos_gem_info))) {
+               TBM_EXYNOS_LOG("error Cannot get gem info=%d\n", key);
+               return 0;
+       }
+
+       bo_exynos = calloc(1, sizeof(struct _tbm_bo_exynos));
+       if (!bo_exynos) {
+               TBM_EXYNOS_LOG("error fail to allocate the bo private\n");
+               return 0;
+       }
+
+       bo_exynos->fd = bufmgr_exynos->fd;
+       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);
+
+       if (!_bo_init_cache_state(bufmgr_exynos, bo_exynos, 1)) {
+               TBM_EXYNOS_LOG("error fail init cache state(%d)\n", bo_exynos->name);
+               free(bo_exynos);
+               return 0;
+       }
+
+       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_LOG("error Cannot dmabuf=%d\n", bo_exynos->gem);
+                       free(bo_exynos);
+                       return 0;
+               }
+               bo_exynos->dmabuf = arg.fd;
+       }
+
+       /* add bo to hash */
+       privGem = NULL;
+
+       privGem = calloc(1, sizeof(PrivGem));
+       if (!privGem) {
+               TBM_EXYNOS_LOG("[libtbm-exynos:%d] "
+                               "error %s:%d Fail to calloc privGem\n",
+                               getpid(), __func__, __LINE__);
+               free(bo_exynos);
+               return 0;
+       }
+
+       privGem->ref_count = 1;
+       privGem->bo_priv = bo_exynos;
+
+       if (drmHashInsert(bufmgr_exynos->hashBos, bo_exynos->name,
+                          (void *)privGem) < 0) {
+               TBM_EXYNOS_LOG("error Cannot insert bo to Hash(%d)\n", bo_exynos->name);
+       }
+
+       DBG("    [%s] bo:%p, gem:%d(%d), fd:%d, flags:%d(%d), size:%d\n",
+           target_name(),
+           bo,
+           bo_exynos->gem, bo_exynos->name,
+           bo_exynos->dmabuf,
+           bo_exynos->flags_tbm, bo_exynos->flags_exynos,
+           bo_exynos->size);
+
+       return (void *)bo_exynos;
 }
 
 static void *
-tbm_exynos4412_bo_import_fd (tbm_bo bo, tbm_fd key)
+tbm_exynos_bo_import_fd(tbm_bo bo, tbm_fd key)
 {
-    EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
-
-    tbm_bufmgr_exynos4412 bufmgr_exynos4412;
-    tbm_bo_exynos4412 bo_exynos4412;
+       EXYNOS_RETURN_VAL_IF_FAIL(bo != NULL, 0);
 
-    bufmgr_exynos4412 = (tbm_bufmgr_exynos4412)tbm_backend_get_bufmgr_priv(bo);
-    EXYNOS4412_RETURN_VAL_IF_FAIL (bufmgr_exynos4412!=NULL, 0);
+       tbm_bufmgr_exynos bufmgr_exynos;
+       tbm_bo_exynos bo_exynos;
+       PrivGem *privGem = NULL;
+       unsigned int name;
+       int ret;
 
-    unsigned int gem = 0;
-    unsigned int real_size = -1;
-    struct drm_exynos_gem_info info = {0, };
+       bufmgr_exynos = (tbm_bufmgr_exynos)tbm_backend_get_bufmgr_priv(bo);
+       EXYNOS_RETURN_VAL_IF_FAIL(bufmgr_exynos != NULL, 0);
 
-       //getting handle from fd
-    struct drm_prime_handle arg = {0, };
+       /*getting handle from fd*/
+       unsigned int gem = 0;
+       struct drm_prime_handle arg = {0, };
 
        arg.fd = key;
        arg.flags = 0;
-    if (drmIoctl (bufmgr_exynos4412->fd, DRM_IOCTL_PRIME_FD_TO_HANDLE, &arg))
-    {
-        TBM_EXYNOS4412_LOG ("error bo:%p Cannot get gem handle from fd:%d (%s)\n",
-                 bo, arg.fd, strerror(errno));
-        return NULL;
-    }
-    gem = arg.handle;
+       if (drmIoctl(bufmgr_exynos->fd, DRM_IOCTL_PRIME_FD_TO_HANDLE, &arg)) {
+               TBM_EXYNOS_LOG("error bo:%p Cannot get gem handle from fd:%d (%s)\n",
+                              bo, arg.fd, strerror(errno));
+               return NULL;
+       }
+       gem = arg.handle;
+
+       name = _get_name(bufmgr_exynos->fd, gem);
+       if (!name) {
+               TBM_EXYNOS_LOG("error bo:%p Cannot get name from gem:%d, fd:%d (%s)\n",
+                              bo, gem, key, strerror(errno));
+               return 0;
+       }
+
+       ret = drmHashLookup(bufmgr_exynos->hashBos, name, (void **)&privGem);
+       if (ret == 0) {
+               if (gem == privGem->bo_priv->gem) {
+                       return privGem->bo_priv;
+               }
+       }
+
+       unsigned int real_size = -1;
+       struct drm_exynos_gem_info info = {0, };
 
        /* 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). */
+        * provided (estimated or guess size).
+        */
        real_size = lseek(key, 0, SEEK_END);
 
-    info.handle = gem;
-    if (drmCommandWriteRead(bufmgr_exynos4412->fd,
-                           DRM_EXYNOS_GEM_GET,
-                           &info,
-                           sizeof(struct drm_exynos_gem_info)))
-    {
-        TBM_EXYNOS4412_LOG ("error bo:%p Cannot get gem info from gem:%d, fd:%d (%s)\n",
-                bo, gem, key, strerror(errno));
-        return 0;
-    }
-
-    if (real_size == -1)
-       real_size = info.size;
-
-    bo_exynos4412 = calloc (1, sizeof(struct _tbm_bo_exynos4412));
-    if (!bo_exynos4412)
-    {
-        TBM_EXYNOS4412_LOG ("error bo:%p fail to allocate the bo private\n", bo);
-        return 0;
-    }
-
-    bo_exynos4412->fd = bufmgr_exynos4412->fd;
-    bo_exynos4412->gem = gem;
-    bo_exynos4412->size = real_size;
-    bo_exynos4412->flags_exynos = info.flags;
-    bo_exynos4412->flags_tbm = _get_tbm_flag_from_exynos (bo_exynos4412->flags_exynos);
-
-    bo_exynos4412->name = _get_name(bo_exynos4412->fd, bo_exynos4412->gem);
-    if (!bo_exynos4412->name)
-    {
-        TBM_EXYNOS4412_LOG ("error bo:%p Cannot get name from gem:%d, fd:%d (%s)\n",
-            bo, gem, key, strerror(errno));
-        free (bo_exynos4412);
-        return 0;
-    }
-
-    /* add bo to hash */
-    PrivGem *privGem = NULL;
-    int ret;
-
-    ret = drmHashLookup (bufmgr_exynos4412->hashBos, bo_exynos4412->name, (void**)&privGem);
-    if (ret == 0)
-    {
-        privGem->ref_count++;
-    }
-    else if (ret == 1)
-    {
-        privGem = calloc (1, sizeof(PrivGem));
-        if (!privGem)
-        {
-            TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
-                    "error %s:%d Fail to calloc privGem\n",
-                    getpid(), __FUNCTION__, __LINE__);
-            free (bo_exynos4412);
-            return 0;
-        }
-
-        privGem->ref_count = 1;
-        if (drmHashInsert (bufmgr_exynos4412->hashBos, bo_exynos4412->name, (void *)privGem) < 0)
-        {
-            TBM_EXYNOS4412_LOG ("error bo:%p Cannot insert bo to Hash(%d) from gem:%d, fd:%d\n",
-                bo, bo_exynos4412->name, gem, key);
-        }
-    }
-    else
-    {
-        TBM_EXYNOS4412_LOG ("error bo:%p Cannot insert bo to Hash(%d) from gem:%d, fd:%d\n",
-                bo, bo_exynos4412->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_exynos4412->gem, bo_exynos4412->name,
-         bo_exynos4412->dmabuf,
-         key,
-         bo_exynos4412->flags_tbm, bo_exynos4412->flags_exynos,
-         bo_exynos4412->size);
-
-    return (void *)bo_exynos4412;
+       info.handle = gem;
+       if (drmCommandWriteRead(bufmgr_exynos->fd,
+                               DRM_EXYNOS_GEM_GET,
+                               &info,
+                               sizeof(struct drm_exynos_gem_info))) {
+               TBM_EXYNOS_LOG("error bo:%p Cannot get gem info from gem:%d, fd:%d (%s)\n",
+                              bo, gem, key, strerror(errno));
+               return 0;
+       }
+
+       if (real_size == -1)
+               real_size = info.size;
+
+       bo_exynos = calloc(1, sizeof(struct _tbm_bo_exynos));
+       if (!bo_exynos) {
+               TBM_EXYNOS_LOG("error bo:%p fail to allocate the bo private\n", bo);
+               return 0;
+       }
+
+       bo_exynos->fd = bufmgr_exynos->fd;
+       bo_exynos->gem = gem;
+       bo_exynos->size = real_size;
+       bo_exynos->flags_exynos = info.flags;
+       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_LOG("error fail init cache state(%d)\n", bo_exynos->name);
+               free(bo_exynos);
+               return 0;
+       }
+
+       /* add bo to hash */
+       privGem = NULL;
+
+       privGem = calloc(1, sizeof(PrivGem));
+       if (!privGem) {
+               TBM_EXYNOS_LOG("[libtbm-exynos:%d] "
+                              "error %s:%d Fail to calloc privGem\n",
+                              getpid(), __func__, __LINE__);
+               free(bo_exynos);
+               return 0;
+       }
+
+       privGem->ref_count = 1;
+       privGem->bo_priv = bo_exynos;
+
+       if (drmHashInsert(bufmgr_exynos->hashBos, bo_exynos->name,
+                          (void *)privGem) < 0) {
+               TBM_EXYNOS_LOG("error bo:%p Cannot insert bo to Hash(%d) from gem:%d, fd:%d\n",
+                              bo, bo_exynos->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_exynos->gem, bo_exynos->name,
+           bo_exynos->dmabuf,
+           key,
+           bo_exynos->flags_tbm, bo_exynos->flags_exynos,
+           bo_exynos->size);
+
+       return (void *)bo_exynos;
 }
 
 static unsigned int
-tbm_exynos4412_bo_export (tbm_bo bo)
+tbm_exynos_bo_export(tbm_bo bo)
 {
-    EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
-
-    tbm_bo_exynos4412 bo_exynos4412;
-
-    bo_exynos4412 = (tbm_bo_exynos4412)tbm_backend_get_bo_priv(bo);
-    EXYNOS4412_RETURN_VAL_IF_FAIL (bo_exynos4412!=NULL, 0);
-
-    if (!bo_exynos4412->name)
-    {
-        bo_exynos4412->name = _get_name(bo_exynos4412->fd, bo_exynos4412->gem);
-        if (!bo_exynos4412->name)
-        {
-            TBM_EXYNOS4412_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_exynos4412->gem, bo_exynos4412->name,
-         bo_exynos4412->dmabuf,
-         bo_exynos4412->flags_tbm, bo_exynos4412->flags_exynos,
-         bo_exynos4412->size);
-
-    return (unsigned int)bo_exynos4412->name;
+       EXYNOS_RETURN_VAL_IF_FAIL(bo != NULL, 0);
+
+       tbm_bo_exynos bo_exynos;
+
+       bo_exynos = (tbm_bo_exynos)tbm_backend_get_bo_priv(bo);
+       EXYNOS_RETURN_VAL_IF_FAIL(bo_exynos != NULL, 0);
+
+       if (!bo_exynos->name) {
+               bo_exynos->name = _get_name(bo_exynos->fd, bo_exynos->gem);
+               if (!bo_exynos->name) {
+                       TBM_EXYNOS_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_exynos->gem, bo_exynos->name,
+           bo_exynos->dmabuf,
+           bo_exynos->flags_tbm, bo_exynos->flags_exynos,
+           bo_exynos->size);
+
+       return (unsigned int)bo_exynos->name;
 }
 
 tbm_fd
-tbm_exynos4412_bo_export_fd (tbm_bo bo)
+tbm_exynos_bo_export_fd(tbm_bo bo)
 {
-    EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, -1);
-
-    tbm_bo_exynos4412 bo_exynos4412;
-    int ret;
-
-    bo_exynos4412 = (tbm_bo_exynos4412)tbm_backend_get_bo_priv(bo);
-    EXYNOS4412_RETURN_VAL_IF_FAIL (bo_exynos4412!=NULL, -1);
-
-    struct drm_prime_handle arg = {0, };
-
-    arg.handle = bo_exynos4412->gem;
-    ret = drmIoctl (bo_exynos4412->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg);
-    if (ret)
-    {
-        TBM_EXYNOS4412_LOG ("error bo:%p Cannot dmabuf=%d (%s)\n",
-            bo, bo_exynos4412->gem, strerror(errno));
-        return (tbm_fd) ret;
-    }
-
-    DBG (" [%s] bo:%p, gem:%d(%d), fd:%d, key_fd:%d, flags:%d(%d), size:%d\n", target_name(),
-         bo,
-         bo_exynos4412->gem, bo_exynos4412->name,
-         bo_exynos4412->dmabuf,
-         arg.fd,
-         bo_exynos4412->flags_tbm, bo_exynos4412->flags_exynos,
-         bo_exynos4412->size);
-
-    return (tbm_fd)arg.fd;
+       EXYNOS_RETURN_VAL_IF_FAIL(bo != NULL, -1);
+
+       tbm_bo_exynos bo_exynos;
+       int ret;
+
+       bo_exynos = (tbm_bo_exynos)tbm_backend_get_bo_priv(bo);
+       EXYNOS_RETURN_VAL_IF_FAIL(bo_exynos != NULL, -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_LOG("error bo:%p Cannot dmabuf=%d (%s)\n",
+                              bo, bo_exynos->gem, strerror(errno));
+               return (tbm_fd) ret;
+       }
+
+       DBG(" [%s] bo:%p, gem:%d(%d), fd:%d, key_fd:%d, flags:%d(%d), size:%d\n",
+           target_name(),
+           bo,
+           bo_exynos->gem, bo_exynos->name,
+           bo_exynos->dmabuf,
+           arg.fd,
+           bo_exynos->flags_tbm, bo_exynos->flags_exynos,
+           bo_exynos->size);
+
+       return (tbm_fd)arg.fd;
 }
 
 static tbm_bo_handle
-tbm_exynos4412_bo_get_handle (tbm_bo bo, int device)
+tbm_exynos_bo_get_handle(tbm_bo bo, int device)
 {
-    EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, (tbm_bo_handle) NULL);
-
-    tbm_bo_handle bo_handle;
-    tbm_bo_exynos4412 bo_exynos4412;
-
-    bo_exynos4412 = (tbm_bo_exynos4412)tbm_backend_get_bo_priv(bo);
-    EXYNOS4412_RETURN_VAL_IF_FAIL (bo_exynos4412!=NULL, (tbm_bo_handle) NULL);
-
-    if (!bo_exynos4412->gem)
-    {
-        TBM_EXYNOS4412_LOG ("error Cannot map gem=%d\n", bo_exynos4412->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_exynos4412->gem, bo_exynos4412->name,
-         bo_exynos4412->dmabuf,
-         bo_exynos4412->flags_tbm, bo_exynos4412->flags_exynos,
-         bo_exynos4412->size,
-         STR_DEVICE[device]);
-
-    /*Get mapped bo_handle*/
-    bo_handle = _exynos4412_bo_handle (bo_exynos4412, device);
-    if (bo_handle.ptr == NULL)
-    {
-        TBM_EXYNOS4412_LOG ("error Cannot get handle: gem:%d, device:%d\n", bo_exynos4412->gem, device);
-        return (tbm_bo_handle) NULL;
-    }
-
-    return bo_handle;
+       EXYNOS_RETURN_VAL_IF_FAIL(bo != NULL, (tbm_bo_handle) NULL);
+
+       tbm_bo_handle bo_handle;
+       tbm_bo_exynos bo_exynos;
+
+       bo_exynos = (tbm_bo_exynos)tbm_backend_get_bo_priv(bo);
+       EXYNOS_RETURN_VAL_IF_FAIL(bo_exynos != NULL, (tbm_bo_handle) NULL);
+
+       if (!bo_exynos->gem) {
+               TBM_EXYNOS_LOG("error Cannot map gem=%d\n", bo_exynos->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_exynos->gem, bo_exynos->name,
+           bo_exynos->dmabuf,
+           bo_exynos->flags_tbm, bo_exynos->flags_exynos,
+           bo_exynos->size,
+           STR_DEVICE[device]);
+
+       /*Get mapped bo_handle*/
+       bo_handle = _exynos_bo_handle(bo_exynos, device);
+       if (bo_handle.ptr == NULL) {
+               TBM_EXYNOS_LOG("error Cannot get handle: gem:%d, device:%d\n", bo_exynos->gem,
+                              device);
+               return (tbm_bo_handle) NULL;
+       }
+
+       return bo_handle;
 }
 
 static tbm_bo_handle
-tbm_exynos4412_bo_map (tbm_bo bo, int device, int opt)
+tbm_exynos_bo_map(tbm_bo bo, int device, int opt)
 {
-    EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, (tbm_bo_handle) NULL);
-
-    tbm_bo_handle bo_handle;
-    tbm_bo_exynos4412 bo_exynos4412;
-
-    bo_exynos4412 = (tbm_bo_exynos4412)tbm_backend_get_bo_priv(bo);
-    EXYNOS4412_RETURN_VAL_IF_FAIL (bo_exynos4412!=NULL, (tbm_bo_handle) NULL);
-
-    if (!bo_exynos4412->gem)
-    {
-        TBM_EXYNOS4412_LOG ("error Cannot map gem=%d\n", bo_exynos4412->gem);
-        return (tbm_bo_handle) NULL;
-    }
-
-    DBG ("       [%s] bo:%p, gem:%d(%d), fd:%d, %s, %s\n", target_name(),
-         bo,
-         bo_exynos4412->gem, bo_exynos4412->name,
-         bo_exynos4412->dmabuf,
-         STR_DEVICE[device],
-         STR_OPT[opt]);
-
-    /*Get mapped bo_handle*/
-    bo_handle = _exynos4412_bo_handle (bo_exynos4412, device);
-    if (bo_handle.ptr == NULL)
-    {
-        TBM_EXYNOS4412_LOG ("error Cannot get handle: gem:%d, device:%d, opt:%d\n", bo_exynos4412->gem, device, opt);
-        return (tbm_bo_handle) NULL;
-    }
-
-    return bo_handle;
-}
+       EXYNOS_RETURN_VAL_IF_FAIL(bo != NULL, (tbm_bo_handle) NULL);
 
-static int
-tbm_exynos4412_bo_unmap (tbm_bo bo)
-{
-    EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+       tbm_bo_handle bo_handle;
+       tbm_bo_exynos bo_exynos;
+       tbm_bufmgr_exynos bufmgr_exynos;
 
-    tbm_bo_exynos4412 bo_exynos4412;
+       bufmgr_exynos = (tbm_bufmgr_exynos)tbm_backend_get_bufmgr_priv(bo);
+       EXYNOS_RETURN_VAL_IF_FAIL(bufmgr_exynos != NULL, (tbm_bo_handle)NULL);
 
-    bo_exynos4412 = (tbm_bo_exynos4412)tbm_backend_get_bo_priv(bo);
-    EXYNOS4412_RETURN_VAL_IF_FAIL (bo_exynos4412!=NULL, 0);
+       bo_exynos = (tbm_bo_exynos)tbm_backend_get_bo_priv(bo);
+       EXYNOS_RETURN_VAL_IF_FAIL(bo_exynos != NULL, (tbm_bo_handle) NULL);
 
-    if (!bo_exynos4412->gem)
-        return 0;
+       if (!bo_exynos->gem) {
+               TBM_EXYNOS_LOG("error Cannot map gem=%d\n", bo_exynos->gem);
+               return (tbm_bo_handle) NULL;
+       }
 
-    DBG ("     [%s] bo:%p, gem:%d(%d), fd:%d\n", target_name(),
-          bo,
-          bo_exynos4412->gem, bo_exynos4412->name,
-          bo_exynos4412->dmabuf);
+       DBG("       [%s] bo:%p, gem:%d(%d), fd:%d, %s, %s\n", target_name(),
+           bo,
+           bo_exynos->gem, bo_exynos->name,
+           bo_exynos->dmabuf,
+           STR_DEVICE[device],
+           STR_OPT[opt]);
+
+       /*Get mapped bo_handle*/
+       bo_handle = _exynos_bo_handle(bo_exynos, device);
+       if (bo_handle.ptr == NULL) {
+               TBM_EXYNOS_LOG("error Cannot get handle: gem:%d, device:%d, opt:%d\n",
+                              bo_exynos->gem, device, opt);
+               return (tbm_bo_handle) NULL;
+       }
 
-    return 1;
+       if (bo_exynos->map_cnt == 0)
+               _bo_set_cache_state(bufmgr_exynos, bo_exynos, device, opt);
+
+       bo_exynos->map_cnt++;
+
+       return bo_handle;
 }
 
 static int
-tbm_exynos4412_bo_cache_flush (tbm_bo bo, int flags)
+tbm_exynos_bo_unmap(tbm_bo bo)
 {
-    tbm_bufmgr_exynos4412 bufmgr_exynos4412 = (tbm_bufmgr_exynos4412)tbm_backend_get_bufmgr_priv(bo);
-    EXYNOS4412_RETURN_VAL_IF_FAIL (bufmgr_exynos4412!=NULL, 0);
+       EXYNOS_RETURN_VAL_IF_FAIL(bo != NULL, 0);
+
+       tbm_bo_exynos bo_exynos;
+       tbm_bufmgr_exynos bufmgr_exynos;
 
-    /* cache flush is managed by kernel side when using dma-fence. */
-    if (bufmgr_exynos4412->use_dma_fence)
-       return 1;
+       bufmgr_exynos = (tbm_bufmgr_exynos)tbm_backend_get_bufmgr_priv(bo);
+       EXYNOS_RETURN_VAL_IF_FAIL(bufmgr_exynos != NULL, 0);
 
-    EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+       bo_exynos = (tbm_bo_exynos)tbm_backend_get_bo_priv(bo);
+       EXYNOS_RETURN_VAL_IF_FAIL(bo_exynos != NULL, 0);
 
-    tbm_bo_exynos4412 bo_exynos4412;
+       if (!bo_exynos->gem)
+               return 0;
 
-    bo_exynos4412 = (tbm_bo_exynos4412)tbm_backend_get_bo_priv(bo);
-    EXYNOS4412_RETURN_VAL_IF_FAIL (bo_exynos4412!=NULL, 0);
+       bo_exynos->map_cnt--;
 
-    if (!_exynos4412_cache_flush(bo_exynos4412->fd, bo_exynos4412, flags))
-        return 0;
+       if (bo_exynos->map_cnt == 0)
+               _bo_save_cache_state(bufmgr_exynos, bo_exynos);
 
-    return 1;
+       DBG("     [%s] bo:%p, gem:%d(%d), fd:%d\n", target_name(),
+           bo,
+           bo_exynos->gem, bo_exynos->name,
+           bo_exynos->dmabuf);
+
+       return 1;
 }
 
 static int
-tbm_exynos4412_bo_get_global_key (tbm_bo bo)
+tbm_exynos_bo_lock(tbm_bo bo, int device, int opt)
 {
-    EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+       EXYNOS_RETURN_VAL_IF_FAIL(bo != NULL, 0);
 
-    tbm_bo_exynos4412 bo_exynos4412;
+#ifndef ALWAYS_BACKEND_CTRL
+       tbm_bufmgr_exynos bufmgr_exynos;
+       tbm_bo_exynos bo_exynos;
+       struct dma_buf_fence fence;
+       struct flock filelock;
+       int ret = 0;
 
-    bo_exynos4412 = (tbm_bo_exynos4412)tbm_backend_get_bo_priv(bo);
-    EXYNOS4412_RETURN_VAL_IF_FAIL (bo_exynos4412!=NULL, 0);
+       if (device != TBM_DEVICE_3D && device != TBM_DEVICE_CPU) {
+               DBG("[libtbm-exynos:%d] %s not support device type,\n", getpid(),
+                   __func__);
+               return 0;
+       }
 
-    if (!bo_exynos4412->name)
-    {
-        if (!bo_exynos4412->gem)
-            return 0;
+       bo_exynos = (tbm_bo_exynos)tbm_backend_get_bo_priv(bo);
+       EXYNOS_RETURN_VAL_IF_FAIL(bo_exynos != NULL, 0);
 
-        bo_exynos4412->name = _get_name(bo_exynos4412->fd, bo_exynos4412->gem);
-    }
+       bufmgr_exynos = (tbm_bufmgr_exynos)tbm_backend_get_bufmgr_priv(bo);
+       EXYNOS_RETURN_VAL_IF_FAIL(bufmgr_exynos != NULL, 0);
 
-    return bo_exynos4412->name;
-}
+       memset(&fence, 0, sizeof(struct dma_buf_fence));
 
-static int
-tbm_exynos4412_bo_lock(tbm_bo bo, int device, int opt)
-{
-    EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
-
-    tbm_bufmgr_exynos4412 bufmgr_exynos4412;
-    tbm_bo_exynos4412 bo_exynos4412;
-    struct dma_buf_fence fence;
-    struct flock filelock;
-    int ret=0;
-
-    if (device != TBM_DEVICE_3D && device != TBM_DEVICE_CPU)
-    {
-        DBG ("[libtbm-exynos4412:%d] %s not support device type,\n", getpid(), __FUNCTION__);
-           return 0;
-    }
-
-    bo_exynos4412 = (tbm_bo_exynos4412)tbm_backend_get_bo_priv(bo);
-    EXYNOS4412_RETURN_VAL_IF_FAIL (bo_exynos4412!=NULL, 0);
-
-    bufmgr_exynos4412 = (tbm_bufmgr_exynos4412)tbm_backend_get_bufmgr_priv(bo);
-    EXYNOS4412_RETURN_VAL_IF_FAIL (bufmgr_exynos4412!=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_EXYNOS4412_LOG ("error Invalid argument\n");
-        return 0;
-    }
-
-    /* Check if the tbm manager supports dma fence or not. */
-    if (!bufmgr_exynos4412->use_dma_fence)
-    {
-        TBM_EXYNOS4412_LOG ("error Not support DMA FENCE(%s)\n", strerror(errno) );
-        return 0;
-
-    }
-
-    if (device == TBM_DEVICE_3D)
-    {
-        ret = ioctl(bo_exynos4412->dmabuf, DMABUF_IOCTL_GET_FENCE, &fence);
-        if (ret < 0)
-        {
-            TBM_EXYNOS4412_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_exynos4412->dmabuf, F_SETLKW, &filelock))
-        {
-           return 0;
-       }
-    }
-
-    pthread_mutex_lock(&bo_exynos4412->mutex);
-
-    if (device == TBM_DEVICE_3D)
-    {
-        int i;
-        for (i = 0; i < DMA_FENCE_LIST_MAX; i++)
-        {
-            if (bo_exynos4412->dma_fence[i].ctx == 0)
-            {
-                bo_exynos4412->dma_fence[i].type = fence.type;
-                bo_exynos4412->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_EXYNOS4412_LOG ("error fence list is full\n");
-        }
-    }
-
-    pthread_mutex_unlock(&bo_exynos4412->mutex);
-
-    DBG ("[%s] DMABUF_IOCTL_GET_FENCE! bo:%p, gem:%d(%d), fd:%ds\n", target_name(),
-          bo,
-          bo_exynos4412->gem, bo_exynos4412->name,
-          bo_exynos4412->dmabuf);
-
-    return 1;
+       /* 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_EXYNOS_LOG("error Invalid argument\n");
+               return 0;
+       }
+
+       /* Check if the tbm manager supports dma fence or not. */
+       if (!bufmgr_exynos->use_dma_fence) {
+               TBM_EXYNOS_LOG("error Not support DMA FENCE(%s)\n", strerror(errno));
+               return 0;
+
+       }
+
+       if (device == TBM_DEVICE_3D) {
+               ret = ioctl(bo_exynos->dmabuf, DMABUF_IOCTL_GET_FENCE, &fence);
+               if (ret < 0) {
+                       TBM_EXYNOS_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_exynos->dmabuf, F_SETLKW, &filelock))
+                       return 0;
+       }
+
+       pthread_mutex_lock(&bo_exynos->mutex);
+
+       if (device == TBM_DEVICE_3D) {
+               int i;
+
+               for (i = 0; i < DMA_FENCE_LIST_MAX; i++) {
+                       if (bo_exynos->dma_fence[i].ctx == 0) {
+                               bo_exynos->dma_fence[i].type = fence.type;
+                               bo_exynos->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_EXYNOS_LOG("error fence list is full\n");
+               }
+       }
+
+       pthread_mutex_unlock(&bo_exynos->mutex);
+
+       DBG("[%s] DMABUF_IOCTL_GET_FENCE! bo:%p, gem:%d(%d), fd:%ds\n", target_name(),
+           bo,
+           bo_exynos->gem, bo_exynos->name,
+           bo_exynos->dmabuf);
+#endif /* ALWAYS_BACKEND_CTRL */
+
+       return 1;
 }
 
 static int
-tbm_exynos4412_bo_unlock(tbm_bo bo)
+tbm_exynos_bo_unlock(tbm_bo bo)
 {
-    EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
-
-    tbm_bo_exynos4412 bo_exynos4412;
-    struct dma_buf_fence fence;
-    struct flock filelock;
-    unsigned int dma_type = 0;
-    int ret=0;
-
-    bo_exynos4412 = (tbm_bo_exynos4412)tbm_backend_get_bo_priv(bo);
-    EXYNOS4412_RETURN_VAL_IF_FAIL (bo_exynos4412!=NULL, 0);
-
-    if (bo_exynos4412->dma_fence[0].type & DMA_BUF_ACCESS_DMA)
-           dma_type = 1;
-
-    if (!bo_exynos4412->dma_fence[0].ctx && dma_type)
-    {
-        DBG ("[libtbm-exynos4412:%d] %s FENCE not support or ignored,\n", getpid(), __FUNCTION__);
-        return 0;
-    }
-
-    if (!bo_exynos4412->dma_fence[0].ctx && dma_type)
-    {
-        DBG ("[libtbm-exynos4412:%d] %s device type is not 3D/CPU,\n", getpid(), __FUNCTION__);
-        return 0;
-    }
-
-    pthread_mutex_lock(&bo_exynos4412->mutex);
-
-    if (dma_type)
-    {
-        fence.type = bo_exynos4412->dma_fence[0].type;
-        fence.ctx = bo_exynos4412->dma_fence[0].ctx;
-        int i;
-        for (i = 1; i < DMA_FENCE_LIST_MAX; i++)
-        {
-            bo_exynos4412->dma_fence[i-1].type = bo_exynos4412->dma_fence[i].type;
-            bo_exynos4412->dma_fence[i-1].ctx = bo_exynos4412->dma_fence[i].ctx;
-        }
-        bo_exynos4412->dma_fence[DMA_FENCE_LIST_MAX-1].type = 0;
-        bo_exynos4412->dma_fence[DMA_FENCE_LIST_MAX-1].ctx = 0;
-    }
-    pthread_mutex_unlock(&bo_exynos4412->mutex);
-
-    if (dma_type)
-    {
-        ret = ioctl(bo_exynos4412->dmabuf, DMABUF_IOCTL_PUT_FENCE, &fence);
-        if (ret < 0)
-        {
-            TBM_EXYNOS4412_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_exynos4412->dmabuf, F_SETLKW, &filelock))
-        {
-           return 0;
-       }
-    }
-
-    DBG ("[%s] DMABUF_IOCTL_PUT_FENCE! bo:%p, gem:%d(%d), fd:%ds\n", target_name(),
-          bo,
-          bo_exynos4412->gem, bo_exynos4412->name,
-          bo_exynos4412->dmabuf);
-
-    return 1;
+       EXYNOS_RETURN_VAL_IF_FAIL(bo != NULL, 0);
+
+#ifndef ALWAYS_BACKEND_CTRL
+       tbm_bo_exynos bo_exynos;
+       struct dma_buf_fence fence;
+       struct flock filelock;
+       unsigned int dma_type = 0;
+       int ret = 0;
+
+       bo_exynos = (tbm_bo_exynos)tbm_backend_get_bo_priv(bo);
+       EXYNOS_RETURN_VAL_IF_FAIL(bo_exynos != NULL, 0);
+
+       if (bo_exynos->dma_fence[0].type & DMA_BUF_ACCESS_DMA)
+               dma_type = 1;
+
+       if (!bo_exynos->dma_fence[0].ctx && dma_type) {
+               DBG("[libtbm-exynos:%d] %s FENCE not support or ignored,\n", getpid(),
+                   __func__);
+               return 0;
+       }
+
+       if (!bo_exynos->dma_fence[0].ctx && dma_type) {
+               DBG("[libtbm-exynos:%d] %s device type is not 3D/CPU,\n", getpid(),
+                   __func__);
+               return 0;
+       }
+
+       pthread_mutex_lock(&bo_exynos->mutex);
+
+       if (dma_type) {
+               fence.type = bo_exynos->dma_fence[0].type;
+               fence.ctx = bo_exynos->dma_fence[0].ctx;
+               int i;
+
+               for (i = 1; i < DMA_FENCE_LIST_MAX; i++) {
+                       bo_exynos->dma_fence[i - 1].type = bo_exynos->dma_fence[i].type;
+                       bo_exynos->dma_fence[i - 1].ctx = bo_exynos->dma_fence[i].ctx;
+               }
+               bo_exynos->dma_fence[DMA_FENCE_LIST_MAX - 1].type = 0;
+               bo_exynos->dma_fence[DMA_FENCE_LIST_MAX - 1].ctx = 0;
+       }
+       pthread_mutex_unlock(&bo_exynos->mutex);
+
+       if (dma_type) {
+               ret = ioctl(bo_exynos->dmabuf, DMABUF_IOCTL_PUT_FENCE, &fence);
+               if (ret < 0) {
+                       TBM_EXYNOS_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_exynos->dmabuf, F_SETLKW, &filelock))
+                       return 0;
+       }
+
+       DBG("[%s] DMABUF_IOCTL_PUT_FENCE! bo:%p, gem:%d(%d), fd:%ds\n", target_name(),
+           bo,
+           bo_exynos->gem, bo_exynos->name,
+           bo_exynos->dmabuf);
+#endif /* ALWAYS_BACKEND_CTRL */
+
+       return 1;
 }
 
 static void
-tbm_exynos4412_bufmgr_deinit (void *priv)
+tbm_exynos_bufmgr_deinit(void *priv)
 {
-    EXYNOS4412_RETURN_IF_FAIL (priv!=NULL);
+       EXYNOS_RETURN_IF_FAIL(priv != NULL);
+
+       tbm_bufmgr_exynos bufmgr_exynos;
+
+       bufmgr_exynos = (tbm_bufmgr_exynos)priv;
+
+       if (bufmgr_exynos->hashBos) {
+               unsigned long key;
+               void *value;
+
+               while (drmHashFirst(bufmgr_exynos->hashBos, &key, &value) > 0) {
+                       free(value);
+                       drmHashDelete(bufmgr_exynos->hashBos, key);
+               }
 
-    tbm_bufmgr_exynos4412 bufmgr_exynos4412;
+               drmHashDestroy(bufmgr_exynos->hashBos);
+               bufmgr_exynos->hashBos = NULL;
+       }
+
+       _bufmgr_deinit_cache_state(bufmgr_exynos);
 
-    bufmgr_exynos4412 = (tbm_bufmgr_exynos4412)priv;
+       if (bufmgr_exynos->bind_display)
+               tbm_drm_helper_wl_auth_server_deinit();
 
-    if (bufmgr_exynos4412->hashBos)
-    {
-        unsigned long key;
-        void *value;
+       if (bufmgr_exynos->device_name)
+               free(bufmgr_exynos->device_name);
 
-        while (drmHashFirst(bufmgr_exynos4412->hashBos, &key, &value) > 0)
-        {
-            free (value);
-            drmHashDelete (bufmgr_exynos4412->hashBos, key);
-        }
+       if (tbm_backend_is_display_server())
+               tbm_drm_helper_unset_tbm_master_fd();
 
-        drmHashDestroy (bufmgr_exynos4412->hashBos);
-        bufmgr_exynos4412->hashBos = NULL;
-    }
+       close(bufmgr_exynos->fd);
 
-    free (bufmgr_exynos4412);
+       free(bufmgr_exynos);
 }
 
 int
-tbm_exynos4412_surface_supported_format(uint32_t **formats, uint32_t *num)
+tbm_exynos_surface_supported_format(uint32_t **formats, uint32_t *num)
 {
-    uint32_t* color_formats=NULL;
+       uint32_t *color_formats = NULL;
 
-    color_formats = (uint32_t*)calloc (1,sizeof(uint32_t)*TBM_COLOR_FORMAT_COUNT);
+       color_formats = (uint32_t *)calloc(1,
+                                          sizeof(uint32_t) * TBM_COLOR_FORMAT_COUNT);
 
-    if( color_formats == NULL )
-    {
-        return 0;
-    }
-    memcpy( color_formats, tbm_exynos4412_color_format_list , sizeof(uint32_t)*TBM_COLOR_FORMAT_COUNT );
+       if (color_formats == NULL)
+               return 0;
 
+       memcpy(color_formats, tbm_exynos_color_format_list,
+              sizeof(uint32_t)*TBM_COLOR_FORMAT_COUNT);
 
-    *formats = color_formats;
-    *num = TBM_COLOR_FORMAT_COUNT;
+       *formats = color_formats;
+       *num = TBM_COLOR_FORMAT_COUNT;
 
-    fprintf (stderr, "tbm_exynos4412_surface_supported_format  count = %d \n",*num);
+       fprintf(stderr, "tbm_exynos_surface_supported_format  count = %d\n", *num);
+
+       return 1;
+}
+
+static int
+_new_calc_plane_nv12(int width, int height)
+{
+       int mbX, mbY;
 
-    return 1;
+       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);
+}
 
 /**
  * @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
@@ -1248,735 +1784,463 @@ tbm_exynos4412_surface_supported_format(uint32_t **formats, uint32_t *num)
  * @return 1 if this function succeeds, otherwise 0.
  */
 int
-tbm_exynos4412_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)
+tbm_exynos_surface_get_plane_data(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_NV12);
-                _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_NV12);
-                _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 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 = MAX(_calc_yplane_nv12(width, height), _new_calc_yplane_nv12(width,
+                                       height));
+                       _bo_idx = 0;
+               } else if (plane_idx == 1) {
+                       _offset = 0;
+                       _pitch = SIZE_ALIGN(width, TBM_SURFACE_ALIGNMENT_PITCH_YUV / 2);
+                       _size = MAX(_calc_uvplane_nv12(width, height), _new_calc_uvplane_nv12(width,
+                                       height));
+                       _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;
+       }
 
-int
-tbm_exynos4412_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;
-}
+       *size = _size;
+       *offset = _offset;
+       *pitch = _pitch;
+       *bo_idx = _bo_idx;
 
-/**
-* @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.
-*/
+       return ret;
+}
 
 int
-tbm_exynos4412_surface_get_size(tbm_surface_h surface, int width, int height, tbm_format format)
+tbm_exynos_bo_get_flags(tbm_bo bo)
 {
-       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:
-                       bpp = 12;
-                        //plane_idx == 0
-                        {
-                                _pitch = SIZE_ALIGN( width ,TBM_SURFACE_ALIGNMENT_PITCH_YUV);
-                                _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE_NV12);
-                        }
-                        //plane_idx ==1
-                        {
-                                _pitch = SIZE_ALIGN( width ,TBM_SURFACE_ALIGNMENT_PITCH_YUV/2);
-                                _size += SIZE_ALIGN(_pitch*(height/2),TBM_SURFACE_ALIGNMENT_PLANE_NV12);
-                        }
-                        break;
-
-        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;
-
-        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);
+       EXYNOS_RETURN_VAL_IF_FAIL(bo != NULL, 0);
 
-    return ret;
+       tbm_bo_exynos bo_exynos;
 
-}
+       bo_exynos = (tbm_bo_exynos)tbm_backend_get_bo_priv(bo);
+       EXYNOS_RETURN_VAL_IF_FAIL(bo_exynos != NULL, 0);
 
-tbm_bo_handle
-tbm_exynos4412_fd_to_handle(tbm_bufmgr bufmgr, tbm_fd fd, int device)
-{
-    EXYNOS4412_RETURN_VAL_IF_FAIL (bufmgr!=NULL, (tbm_bo_handle) NULL);
-    EXYNOS4412_RETURN_VAL_IF_FAIL (fd > 0, (tbm_bo_handle) NULL);
-
-    tbm_bo_handle bo_handle;
-    memset (&bo_handle, 0x0, sizeof (uint64_t));
-
-    tbm_bufmgr_exynos4412 bufmgr_exynos4412 = (tbm_bufmgr_exynos4412)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_exynos4412->fd, DRM_IOCTL_PRIME_FD_TO_HANDLE, &arg))
-        {
-            TBM_EXYNOS4412_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_EXYNOS4412_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_EXYNOS4412_LOG ("error Not supported device:%d\n", device);
-        bo_handle.ptr = (void *) NULL;
-        break;
-    }
-
-    return bo_handle;
+       return bo_exynos->flags_tbm;
 }
 
 int
-tbm_exynos4412_bo_get_flags (tbm_bo bo)
+tbm_exynos_bufmgr_bind_native_display (tbm_bufmgr bufmgr, void *native_display)
 {
-    EXYNOS4412_RETURN_VAL_IF_FAIL (bo != NULL, 0);
+       tbm_bufmgr_exynos bufmgr_exynos;
+
+       bufmgr_exynos = tbm_backend_get_priv_from_bufmgr(bufmgr);
+       EXYNOS_RETURN_VAL_IF_FAIL(bufmgr_exynos != NULL, 0);
 
-    tbm_bo_exynos4412 bo_exynos4412;
+       if (!tbm_drm_helper_wl_auth_server_init(native_display, bufmgr_exynos->fd,
+                                          bufmgr_exynos->device_name, 0)) {
+               TBM_EXYNOS_LOG("[libtbm-exynos:%d] error:Fail to tbm_drm_helper_wl_server_init\n");
+               return 0;
+       }
 
-    bo_exynos4412 = (tbm_bo_exynos4412)tbm_backend_get_bo_priv(bo);
-    EXYNOS4412_RETURN_VAL_IF_FAIL (bo_exynos4412 != NULL, 0);
+       bufmgr_exynos->bind_display = native_display;
 
-    return bo_exynos4412->flags_tbm;
+       return 1;
 }
 
-MODULEINITPPROTO (init_tbm_bufmgr_priv);
+MODULEINITPPROTO(init_tbm_bufmgr_priv);
 
-static TBMModuleVersionInfo Exynos4412VersRec =
-{
-    "exynos4412",
-    "Samsung",
-    TBM_ABI_VERSION,
+static TBMModuleVersionInfo ExynosVersRec = {
+       "exynos",
+       "Samsung",
+       TBM_ABI_VERSION,
 };
 
-TBMModuleData tbmModuleData = { &Exynos4412VersRec, init_tbm_bufmgr_priv};
+TBMModuleData tbmModuleData = { &ExynosVersRec, init_tbm_bufmgr_priv};
 
 int
-init_tbm_bufmgr_priv (tbm_bufmgr bufmgr, int fd)
+init_tbm_bufmgr_priv(tbm_bufmgr bufmgr, int fd)
 {
-    tbm_bufmgr_exynos4412 bufmgr_exynos4412;
-    tbm_bufmgr_backend bufmgr_backend;
-
-    if (!bufmgr)
-        return 0;
-
-    bufmgr_exynos4412 = calloc (1, sizeof(struct _tbm_bufmgr_exynos4412));
-    if (!bufmgr_exynos4412)
-    {
-        TBM_EXYNOS4412_LOG ("error: Fail to alloc bufmgr_exynos4412!\n");
-        return 0;
-    }
-
-    bufmgr_exynos4412->fd = fd;
-    if (bufmgr_exynos4412->fd < 0)
-    {
-        TBM_EXYNOS4412_LOG ("error: Fail to create drm!\n");
-        free (bufmgr_exynos4412);
-        return 0;
-    }
-
-    //Create Hash Table
-    bufmgr_exynos4412->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_exynos4412->use_dma_fence = 1;
-
-        close(fp);
-    }
-
-    bufmgr_backend = tbm_backend_alloc();
-    if (!bufmgr_backend)
-    {
-        TBM_EXYNOS4412_LOG ("error: Fail to create drm!\n");
-        if (bufmgr_exynos4412->hashBos)
-            drmHashDestroy (bufmgr_exynos4412->hashBos);
-        free (bufmgr_exynos4412);
-        return 0;
-    }
-
-    bufmgr_backend->priv = (void *)bufmgr_exynos4412;
-    bufmgr_backend->bufmgr_deinit = tbm_exynos4412_bufmgr_deinit,
-    bufmgr_backend->bo_size = tbm_exynos4412_bo_size,
-    bufmgr_backend->bo_alloc = tbm_exynos4412_bo_alloc,
-    bufmgr_backend->bo_free = tbm_exynos4412_bo_free,
-    bufmgr_backend->bo_import = tbm_exynos4412_bo_import,
-    bufmgr_backend->bo_import_fd = tbm_exynos4412_bo_import_fd,
-    bufmgr_backend->bo_export = tbm_exynos4412_bo_export,
-    bufmgr_backend->bo_export_fd = tbm_exynos4412_bo_export_fd,
-    bufmgr_backend->bo_get_handle = tbm_exynos4412_bo_get_handle,
-    bufmgr_backend->bo_map = tbm_exynos4412_bo_map,
-    bufmgr_backend->bo_unmap = tbm_exynos4412_bo_unmap,
-    bufmgr_backend->bo_cache_flush = tbm_exynos4412_bo_cache_flush,
-    bufmgr_backend->bo_get_global_key = tbm_exynos4412_bo_get_global_key;
-    bufmgr_backend->surface_get_plane_data = tbm_exynos4412_surface_get_plane_data;
-    bufmgr_backend->surface_get_size = tbm_exynos4412_surface_get_size;
-    bufmgr_backend->surface_supported_format = tbm_exynos4412_surface_supported_format;
-    bufmgr_backend->fd_to_handle = tbm_exynos4412_fd_to_handle;
-    bufmgr_backend->surface_get_num_bos = tbm_exynos4412_surface_get_num_bos;
-    bufmgr_backend->bo_get_flags = tbm_exynos4412_bo_get_flags;
-
-    if (bufmgr_exynos4412->use_dma_fence)
-    {
-        bufmgr_backend->flags = (TBM_LOCK_CTRL_BACKEND | TBM_CACHE_CTRL_BACKEND);
-        bufmgr_backend->bo_lock = NULL;
-        bufmgr_backend->bo_lock2 = tbm_exynos4412_bo_lock;
-        bufmgr_backend->bo_unlock = tbm_exynos4412_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_EXYNOS4412_LOG ("error: Fail to init backend!\n");
-        tbm_backend_free (bufmgr_backend);
-        free (bufmgr_exynos4412);
-        return 0;
-    }
+       tbm_bufmgr_exynos bufmgr_exynos;
+       tbm_bufmgr_backend bufmgr_backend;
+
+       if (!bufmgr)
+               return 0;
+
+       bufmgr_exynos = calloc(1, sizeof(struct _tbm_bufmgr_exynos));
+       if (!bufmgr_exynos) {
+               TBM_EXYNOS_LOG("error: Fail to alloc bufmgr_exynos!\n");
+               return 0;
+       }
+
+       if (tbm_backend_is_display_server()) {
+               bufmgr_exynos->fd = -1;
+
+               bufmgr_exynos->fd = tbm_drm_helper_get_master_fd();
+               if (bufmgr_exynos->fd < 0) {
+                       bufmgr_exynos->fd = _tbm_exynos_open_drm();
+               }
+
+               if (bufmgr_exynos->fd < 0) {
+                       TBM_EXYNOS_LOG ("[libtbm-exynos:%d] error: Fail to create drm!\n", getpid());
+                       free (bufmgr_exynos);
+                       return 0;
+               }
+
+               tbm_drm_helper_set_tbm_master_fd(bufmgr_exynos->fd);
+
+               bufmgr_exynos->device_name = drmGetDeviceNameFromFd(bufmgr_exynos->fd);
+
+               if (!bufmgr_exynos->device_name)
+               {
+                       TBM_EXYNOS_LOG ("[libtbm-exynos:%d] error: Fail to get device name!\n", getpid());
+
+                       tbm_drm_helper_unset_tbm_master_fd();
+                       close(bufmgr_exynos->fd);
+                       free (bufmgr_exynos);
+                       return 0;
+               }
+
+       } else {
+               if (_check_render_node()) {
+                       bufmgr_exynos->fd = _get_render_node();
+                       if (bufmgr_exynos->fd < 0) {
+                               TBM_EXYNOS_LOG("[%s] get render node failed\n", target_name(), fd);
+                               free (bufmgr_exynos);
+                               return 0;
+                       }
+                       DBG("[%s] Use render node:%d\n", target_name(), bufmgr_exynos->fd);
+               }
+               else {
+                       if (!tbm_drm_helper_get_auth_info(&(bufmgr_exynos->fd), &(bufmgr_exynos->device_name), NULL)) {
+                               TBM_EXYNOS_LOG ("[libtbm-exynos:%d] error: Fail to get auth drm info!\n", getpid());
+                               free (bufmgr_exynos);
+                               return 0;
+                       }
+               }
+       }
+
+       //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_exynos->use_dma_fence = 1;
+
+               close(fp);
+       }
+
+       if (!_bufmgr_init_cache_state(bufmgr_exynos)) {
+               TBM_EXYNOS_LOG ("[libtbm-exynos:%d] error: init bufmgr cache state failed!\n", getpid());
+
+               if (tbm_backend_is_display_server())
+                       tbm_drm_helper_unset_tbm_master_fd();
+
+               close(bufmgr_exynos->fd);
+
+               free(bufmgr_exynos);
+               return 0;
+       }
+
+       /*Create Hash Table*/
+       bufmgr_exynos->hashBos = drmHashCreate();
+
+       bufmgr_backend = tbm_backend_alloc();
+       if (!bufmgr_backend) {
+               TBM_EXYNOS_LOG("error: Fail to create drm!\n");
+               if (bufmgr_exynos->hashBos)
+                       drmHashDestroy(bufmgr_exynos->hashBos);
+
+               _bufmgr_deinit_cache_state(bufmgr_exynos);
+
+               if (tbm_backend_is_display_server())
+                       tbm_drm_helper_unset_tbm_master_fd();
+
+               close(bufmgr_exynos->fd);
+
+               free(bufmgr_exynos);
+               return 0;
+       }
+
+       bufmgr_backend->priv = (void *)bufmgr_exynos;
+       bufmgr_backend->bufmgr_deinit = tbm_exynos_bufmgr_deinit;
+       bufmgr_backend->bo_size = tbm_exynos_bo_size;
+       bufmgr_backend->bo_alloc = tbm_exynos_bo_alloc;
+       bufmgr_backend->bo_free = tbm_exynos_bo_free;
+       bufmgr_backend->bo_import = tbm_exynos_bo_import;
+       bufmgr_backend->bo_import_fd = tbm_exynos_bo_import_fd;
+       bufmgr_backend->bo_export = tbm_exynos_bo_export;
+       bufmgr_backend->bo_export_fd = tbm_exynos_bo_export_fd;
+       bufmgr_backend->bo_get_handle = tbm_exynos_bo_get_handle;
+       bufmgr_backend->bo_map = tbm_exynos_bo_map;
+       bufmgr_backend->bo_unmap = tbm_exynos_bo_unmap;
+       bufmgr_backend->surface_get_plane_data = tbm_exynos_surface_get_plane_data;
+       bufmgr_backend->surface_supported_format = tbm_exynos_surface_supported_format;
+       bufmgr_backend->bo_get_flags = tbm_exynos_bo_get_flags;
+       bufmgr_backend->bo_lock = tbm_exynos_bo_lock;
+       bufmgr_backend->bo_unlock = tbm_exynos_bo_unlock;
+
+       if (tbm_backend_is_display_server() && !_check_render_node()) {
+               bufmgr_backend->bufmgr_bind_native_display = tbm_exynos_bufmgr_bind_native_display;
+       }
+
+       if (!tbm_backend_init(bufmgr, bufmgr_backend)) {
+               TBM_EXYNOS_LOG("error: Fail to init backend!\n");
+               tbm_backend_free(bufmgr_backend);
+
+               _bufmgr_deinit_cache_state(bufmgr_exynos);
+
+               if (tbm_backend_is_display_server())
+                       tbm_drm_helper_unset_tbm_master_fd();
+
+               close(bufmgr_exynos->fd);
+
+               free(bufmgr_exynos);
+               return 0;
+       }
 
 #ifdef DEBUG
-    {
-        char* env;
-        env = getenv ("TBM_EXYNOS4412_DEBUG");
-        if (env)
-        {
-            bDebug = atoi (env);
-            TBM_EXYNOS4412_LOG ("TBM_EXYNOS4412_DEBUG=%s\n", env);
-        }
-        else
-        {
-            bDebug = 0;
-        }
-    }
+       {
+               char *env;
+
+               env = getenv("TBM_EXYNOS_DEBUG");
+               if (env) {
+                       bDebug = atoi(env);
+                       TBM_EXYNOS_LOG("TBM_EXYNOS_DEBUG=%s\n", env);
+               } else {
+                       bDebug = 0;
+               }
+       }
 #endif
 
-    DBG ("[%s] DMABUF FENCE is %s\n", target_name(),
-          bufmgr_exynos4412->use_dma_fence ? "supported!" : "NOT supported!");
-
-    DBG ("[%s] drm_fd:%d\n", target_name(),
-          bufmgr_exynos4412->fd);
+       DBG("[%s] drm_fd:%d\n", target_name(),
+           bufmgr_exynos->fd);
 
-    return 1;
+       return 1;
 }
 
-
diff --git a/src/tbm_bufmgr_tgl.h b/src/tbm_bufmgr_tgl.h
new file mode 100644 (file)
index 0000000..fee35d5
--- /dev/null
@@ -0,0 +1,72 @@
+/**************************************************************************
+ *
+ * libtbm
+ *
+ * Copyright 2012 Samsung Electronics co., Ltd. All Rights Reserved.
+ *
+ * Contact: SooChan Lim <sc1.lim@samsung.com>, Sangjin Lee <lsj119@samsung.com>
+ * Boram Park <boram1288.park@samsung.com>, Changyeon Lee <cyeon.lee@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.
+ *
+ * **************************************************************************/
+
+#ifndef __TBM_BUFMGR_TGL_H__
+#define __TBM_BUFMGR_TGL_H__
+
+#include <linux/ioctl.h>
+
+#ifdef ENABLE_CACHECRTL
+static char tgl_devfile[] = "/dev/slp_global_lock";
+static char tgl_devfile1[] = "/dev/tgl";
+#endif
+
+#define TGL_IOC_BASE                           0x32
+
+struct tgl_attribute {
+       unsigned int key;
+       unsigned int timeout_ms;
+};
+
+struct tgl_user_data {
+       unsigned int key;
+       unsigned int data1;
+       unsigned int data2;
+       unsigned int locked;
+};
+
+typedef enum {
+       _TGL_INIT_LOCK = 1,
+       _TGL_DESTROY_LOCK,
+       _TGL_LOCK_LOCK,
+       _TGL_UNLOCK_LOCK,
+       _TGL_SET_DATA,
+       _TGL_GET_DATA,
+} _tgl_ioctls;
+
+#define TGL_IOC_INIT_LOCK                      _IOW(TGL_IOC_BASE, _TGL_INIT_LOCK, struct tgl_attribute *)
+#define TGL_IOC_DESTROY_LOCK           _IOW(TGL_IOC_BASE, _TGL_DESTROY_LOCK, unsigned int)
+#define TGL_IOC_LOCK_LOCK                      _IOW(TGL_IOC_BASE, _TGL_LOCK_LOCK, unsigned int)
+#define TGL_IOC_UNLOCK_LOCK                    _IOW(TGL_IOC_BASE, _TGL_UNLOCK_LOCK, unsigned int)
+#define TGL_IOC_SET_DATA                       _IOW(TGL_IOC_BASE, _TGL_SET_DATA, struct tgl_user_data *)
+#define TGL_IOC_GET_DATA                       _IOW(TGL_IOC_BASE, _TGL_GET_DATA, struct tgl_user_data *)
+
+#endif                                                 /* __TBM_BUFMGR_TGL_H__ */