only display server unset tbm master fd if tbm_bufmgr_init fail
[platform/adaptation/spreadtrum/libtbm-sprd.git] / src / tbm_bufmgr_sprd.c
index 670b58c..bd5be03 100755 (executable)
@@ -32,6 +32,10 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include "config.h"
 #endif
 
+#if HAVE_UDEV
+#include <libudev.h>
+#endif
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdint.h>
@@ -49,58 +53,57 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <drm/sprd_drm.h>
 #include <pthread.h>
 #include <tbm_surface.h>
-#include "tbm_wayland.h"
+#include <tbm_drm_helper.h>
 
 #define DEBUG
+#include "tbm_bufmgr_tgl.h"
 
 //#define USE_CONTIG_ONLY
 #define USE_DMAIMPORT
 
 #define TBM_COLOR_FORMAT_COUNT 8
 
-
-
 #ifdef DEBUG
 #define LOG_TAG    "TBM_BACKEND"
 #include <dlog.h>
-static int bDebug=0;
+static int bDebug = 0;
+
+#define SPRD_DRM_NAME "sprd"
 
-char* target_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));
-    }
+       if ( (slash = strrchr(app_name, '/')) != NULL ) {
+               memmove(app_name, slash + 1, strlen(slash));
+       }
 
-    initialized = 1;
+       initialized = 1;
 
-    return app_name;
+       return app_name;
 }
 #define TBM_SPRD_LOG(fmt, args...)        LOGE("\033[31m"  "[%s]" fmt "\033[0m", target_name(), ##args)
 #define DBG(fmt, args...)        if(bDebug&01) LOGE("[%s]" fmt, target_name(), ##args)
@@ -131,9 +134,9 @@ char* target_name()
 }
 
 struct dma_buf_info {
-    unsigned long    size;
-    unsigned int    fence_supported;
-    unsigned int    padding;
+       unsigned long    size;
+       unsigned int    fence_supported;
+       unsigned int    padding;
 };
 
 #define DMA_BUF_ACCESS_READ        0x1
@@ -144,8 +147,8 @@ struct dma_buf_info {
 #define DMA_FENCE_LIST_MAX         5
 
 struct dma_buf_fence {
-    unsigned long        ctx;
-    unsigned int        type;
+       unsigned long        ctx;
+       unsigned int        type;
 };
 
 #define DMABUF_IOCTL_BASE    'F'
@@ -155,1086 +158,1463 @@ 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)
 
+/* tgl key values */
+#define GLOBAL_KEY   ((unsigned int)(-1))
+/* TBM_CACHE */
+#define TBM_SPRD_CACHE_INV       0x01 /**< cache invalidate  */
+#define TBM_SPRD_CACHE_CLN       0x02 /**< cache clean */
+#define TBM_SPRD_CACHE_ALL       0x10 /**< cache all */
+#define TBM_SPRD_CACHE_FLUSH     (TBM_SPRD_CACHE_INV|TBM_SPRD_CACHE_CLN) /**< cache flush  */
+#define TBM_SPRD_CACHE_FLUSH_ALL (TBM_SPRD_CACHE_FLUSH|TBM_SPRD_CACHE_ALL)     /**< cache flush all */
+
+enum {
+       DEVICE_NONE = 0,
+       DEVICE_CA,                                      /* cache aware device */
+       DEVICE_CO                                       /* cache oblivious device */
+};
+
+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_sprd *tbm_bufmgr_sprd;
 typedef struct _tbm_bo_sprd *tbm_bo_sprd;
 
-typedef struct _sprd_private
-{
-    int ref_count;
+typedef struct _sprd_private {
+       int ref_count;
+       struct _tbm_bo_sprd *bo_priv;
 } PrivGem;
 
 /* tbm buffor object for sprd */
-struct _tbm_bo_sprd
-{
-    int fd;
+struct _tbm_bo_sprd {
+       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_sprd;
+       unsigned int flags_tbm;
 
-    unsigned int flags_sprd;
-    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 sprd */
-struct _tbm_bufmgr_sprd
-{
-    int fd;
-    void* hashBos;
+struct _tbm_bufmgr_sprd {
+       int fd;
+       void *hashBos;
 
-    int use_dma_fence;
+       int use_dma_fence;
 
-    int fd_owner;
+       int tgl_fd;
+
+       void *bind_display;
+       char *device_name;
 };
 
-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_sprd_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 };
+                                                               TBM_FORMAT_BGRA8888,
+                                                               TBM_FORMAT_RGBX8888,
+                                                               TBM_FORMAT_RGB888,
+                                                               TBM_FORMAT_NV12,
+                                                               TBM_FORMAT_NV21,
+                                                               TBM_FORMAT_YUV420,
+                                                               TBM_FORMAT_YVU420
+                                                             };
+
+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_SPRD_LOG("[libtbm-sprd:%d] error(%s) %s:%d key:%d\n",
+                            getpid(), strerror(errno), __func__, __LINE__, key);
+               return 0;
+       }
+
+       return 1;
+}
+
+static inline int
+_tgl_destroy(int fd, unsigned int key)
+{
+       int err;
+
+       err = ioctl(fd, TGL_IOC_DESTROY_LOCK, key);
+       if (err) {
+               TBM_SPRD_LOG("[libtbm-sprd:%d] "
+                            "error(%s) %s:%d key:%d\n",
+                            getpid(), strerror(errno), __func__, __LINE__, key);
+               return 0;
+       }
+
+       return 1;
+}
+
+static inline int
+_tgl_lock(int fd, unsigned int key)
+{
+       int err;
+
+       err = ioctl(fd, TGL_IOC_LOCK_LOCK, key);
+       if (err) {
+               TBM_SPRD_LOG("[libtbm-sprd:%d] "
+                            "error(%s) %s:%d key:%d\n",
+                            getpid(), strerror(errno), __func__, __LINE__, key);
+               return 0;
+       }
+
+       return 1;
+}
+
+static inline int
+_tgl_unlock(int fd, unsigned int key)
+{
+       int err;
+
+       err = ioctl(fd, TGL_IOC_UNLOCK_LOCK, key);
+       if (err) {
+               TBM_SPRD_LOG("[libtbm-sprd:%d] "
+                            "error(%s) %s:%d key:%d\n",
+                            getpid(), strerror(errno), __func__, __LINE__, key);
+               return 0;
+       }
+
+       return 1;
+}
+
+#ifdef USE_CACHE
+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_SPRD_LOG("[libtbm-sprd:%d] "
+                            "error(%s) %s:%d key:%d\n",
+                            getpid(), strerror(errno), __func__, __LINE__, key);
+               return 0;
+       }
+
+       return 1;
+}
+
+static inline unsigned int
+_tgl_get_data(int fd, unsigned int key, unsigned int *locked)
+{
+       int err;
+       struct tgl_user_data arg = { 0, };
+
+       arg.key = key;
+       err = ioctl(fd, TGL_IOC_GET_DATA, &arg);
+       if (err) {
+               TBM_SPRD_LOG("[libtbm-sprd:%d] "
+                            "error(%s) %s:%d key:%d\n",
+                            getpid(), strerror(errno), __func__, __LINE__, key);
+               return 0;
+       }
+
+       if (locked)
+               *locked = arg.locked;
+
+       return arg.data1;
+}
+#endif
+
+static int
+_tbm_sprd_open_drm()
+{
+       int fd = -1;
+
+       fd = drmOpen(SPRD_DRM_NAME, NULL);
+       if (fd < 0) {
+               TBM_SPRD_LOG ("[libtbm-sprd:%d] "
+                             "warning %s:%d fail to open drm\n",
+                             getpid(), __FUNCTION__, __LINE__);
+       }
+
+#ifdef HAVE_UDEV
+       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_SPRD_LOG ("[libtbm-sprd:%d] "
+                             "%s:%d search drm-device by udev\n",
+                             getpid(), __FUNCTION__, __LINE__);
+
+               udev = udev_new();
+               if (!udev) {
+                       TBM_SPRD_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), "sprd-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_SPRD_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_SPRD_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_SPRD_LOG("fstat() failed %s.\n");
+                       udev_device_unref(drm_device);
+                       udev_unref(udev);
+                       return -1;
+               }
+
+               udev_device_unref(drm_device);
+               udev_unref(udev);
+       }
+#endif
+
+       return fd;
+}
+
+#ifdef USE_CACHE
+static int
+_sprd_bo_cache_flush (tbm_bufmgr_sprd bufmgr_sprd, tbm_bo_sprd bo_sprd, int flags)
+{
+       SPRD_RETURN_VAL_IF_FAIL (bufmgr_sprd != NULL, 0);
+       SPRD_RETURN_VAL_IF_FAIL (bo_sprd != NULL, 0);
+
+       /* cache flush is managed by kernel side when using dma-fence. */
+       if (bufmgr_sprd->use_dma_fence)
+               return 1;
+
+       struct drm_sprd_gem_cache_op cache_op = {0, };
+       int ret;
+
+       /* if bo_sprd is null, do cache_flush_all */
+       if (bo_sprd) {
+               cache_op.flags = 0;
+               cache_op.usr_addr = (uint64_t)((uint32_t)bo_sprd->pBase);
+               cache_op.size = bo_sprd->size;
+       } else {
+               flags = TBM_SPRD_CACHE_FLUSH_ALL;
+               cache_op.flags = 0;
+               cache_op.usr_addr = 0;
+               cache_op.size = 0;
+       }
+
+       if (flags & TBM_SPRD_CACHE_INV) {
+               if (flags & TBM_SPRD_CACHE_ALL)
+                       cache_op.flags |= SPRD_DRM_CACHE_INV_ALL;
+               else
+                       cache_op.flags |= SPRD_DRM_CACHE_INV_RANGE;
+       }
+
+       if (flags & TBM_SPRD_CACHE_CLN) {
+               if (flags & TBM_SPRD_CACHE_ALL)
+                       cache_op.flags |= SPRD_DRM_CACHE_CLN_ALL;
+               else
+                       cache_op.flags |= SPRD_DRM_CACHE_CLN_RANGE;
+       }
+
+       if (flags & TBM_SPRD_CACHE_ALL)
+               cache_op.flags |= SPRD_DRM_ALL_CACHES_CORES;
+
+       ret = drmCommandWriteRead (bufmgr_sprd->fd, DRM_SPRD_GEM_CACHE_OP, &cache_op,
+                                  sizeof(cache_op));
+       if (ret) {
+               TBM_SPRD_LOG ("[libtbm-sprd:%d] "
+                             "error %s:%d fail to flush the cache.\n",
+                             getpid(), __FUNCTION__, __LINE__);
+               return 0;
+       }
+
+       return 1;
+}
+#endif
+
+static int
+_bo_init_cache_state(tbm_bufmgr_sprd bufmgr_sprd, tbm_bo_sprd bo_sprd, int import)
+{
+       SPRD_RETURN_VAL_IF_FAIL (bo_sprd != NULL, 0);
+       SPRD_RETURN_VAL_IF_FAIL (bufmgr_sprd != NULL, 0);
+
+       if (bufmgr_sprd->use_dma_fence)
+               return 1;
+
+       _tgl_init(bufmgr_sprd->tgl_fd, bo_sprd->name);
+
+#ifdef USE_CACHE
+       tbm_bo_cache_state cache_state;
+
+       if (import == 0) {
+               cache_state.data.isDirtied = DEVICE_NONE;
+               cache_state.data.isCached = 0;
+               cache_state.data.cntFlush = 0;
+
+               _tgl_set_data(bufmgr_sprd->tgl_fd, bo_sprd->name, cache_state.val);
+       }
+#endif
+
+       return 1;
+}
+
+static int
+_bo_set_cache_state(tbm_bufmgr_sprd bufmgr_sprd, tbm_bo_sprd bo_sprd, int device, int opt)
+{
+#ifdef USE_CACHE
+       SPRD_RETURN_VAL_IF_FAIL (bo_sprd != NULL, 0);
+       SPRD_RETURN_VAL_IF_FAIL (bufmgr_sprd != NULL, 0);
+
+       char need_flush = 0;
+       unsigned short cntFlush = 0;
+
+       if (bufmgr_sprd->use_dma_fence)
+               return 1;
+
+       if (bo_sprd->flags_sprd & SPRD_BO_NONCACHABLE)
+               return 1;
+
+       /* get cache state of a bo */
+       bo_sprd->cache_state.val = _tgl_get_data(bufmgr_sprd->tgl_fd, bo_sprd->name, NULL);
+
+       /* get global cache flush count */
+       cntFlush = (unsigned short)_tgl_get_data(bufmgr_sprd->tgl_fd, GLOBAL_KEY, NULL);
+
+       if (opt == TBM_DEVICE_CPU) {
+               if (bo_sprd->cache_state.data.isDirtied == DEVICE_CO &&
+                   bo_sprd->cache_state.data.isCached)
+                       need_flush = TBM_SPRD_CACHE_INV;
+
+               bo_sprd->cache_state.data.isCached = 1;
+               if (opt & TBM_OPTION_WRITE)
+                       bo_sprd->cache_state.data.isDirtied = DEVICE_CA;
+               else {
+                       if (bo_sprd->cache_state.data.isDirtied != DEVICE_CA)
+                               bo_sprd->cache_state.data.isDirtied = DEVICE_NONE;
+               }
+       } else {
+               if (bo_sprd->cache_state.data.isDirtied == DEVICE_CA &&
+                   bo_sprd->cache_state.data.isCached &&
+                   bo_sprd->cache_state.data.cntFlush == cntFlush)
+                       need_flush = TBM_SPRD_CACHE_CLN | TBM_SPRD_CACHE_ALL;
+
+               if (opt & TBM_OPTION_WRITE)
+                       bo_sprd->cache_state.data.isDirtied = DEVICE_CO;
+               else {
+                       if (bo_sprd->cache_state.data.isDirtied != DEVICE_CO)
+                               bo_sprd->cache_state.data.isDirtied = DEVICE_NONE;
+               }
+       }
+
+       if (need_flush) {
+               if (need_flush & TBM_SPRD_CACHE_ALL)
+                       _tgl_set_data(bufmgr_sprd->tgl_fd, GLOBAL_KEY, (unsigned int)(++cntFlush));
+
+               /* call cache flush */
+               _sprd_bo_cache_flush (bufmgr_sprd, bo_sprd, need_flush);
+
+               DBG("[libtbm:%d] \tcache(%d,%d)....flush:0x%x, cntFlush(%d)\n",
+                   getpid(),
+                   bo_sprd->cache_state.data.isCached,
+                   bo_sprd->cache_state.data.isDirtied,
+                   need_flush,
+                   cntFlush);
+       }
+#endif
+
+       return 1;
+}
+
+static int
+_bo_save_cache_state(tbm_bufmgr_sprd bufmgr_sprd, tbm_bo_sprd bo_sprd)
+{
+#ifdef USE_CACHE
+       SPRD_RETURN_VAL_IF_FAIL (bo_sprd != NULL, 0);
+       SPRD_RETURN_VAL_IF_FAIL (bufmgr_sprd != NULL, 0);
+
+       if (bufmgr_sprd->use_dma_fence)
+               return 1;
+
+       unsigned short cntFlush = 0;
 
+       /* get global cache flush count */
+       cntFlush = (unsigned short)_tgl_get_data(bufmgr_sprd->tgl_fd, GLOBAL_KEY, NULL);
+
+       /* save global cache flush count */
+       bo_sprd->cache_state.data.cntFlush = cntFlush;
+       _tgl_set_data(bufmgr_sprd->tgl_fd, bo_sprd->name, bo_sprd->cache_state.val);
+#endif
+
+       return 1;
+}
+
+static void
+_bo_destroy_cache_state(tbm_bufmgr_sprd bufmgr_sprd, tbm_bo_sprd bo_sprd)
+{
+       SPRD_RETURN_IF_FAIL (bo_sprd != NULL);
+       SPRD_RETURN_IF_FAIL (bufmgr_sprd != NULL);
+
+       if (bufmgr_sprd->use_dma_fence)
+               return;
+
+       _tgl_destroy(bufmgr_sprd->tgl_fd, bo_sprd->name);
+}
+
+static int
+_bufmgr_init_cache_state(tbm_bufmgr_sprd bufmgr_sprd)
+{
+       SPRD_RETURN_VAL_IF_FAIL(bufmgr_sprd != NULL, 0);
+
+       if (bufmgr_sprd->use_dma_fence)
+               return 1;
+
+       /* open tgl fd for saving cache flush data */
+       bufmgr_sprd->tgl_fd = open(tgl_devfile, O_RDWR);
+
+       if (bufmgr_sprd->tgl_fd < 0) {
+               bufmgr_sprd->tgl_fd = open(tgl_devfile1, O_RDWR);
+               if (bufmgr_sprd->tgl_fd < 0) {
+                       TBM_SPRD_LOG("[libtbm-sprd:%d] "
+                                      "error: Fail to open global_lock:%s\n",
+                                      getpid(), tgl_devfile);
+
+                       close(bufmgr_sprd->tgl_fd);
+                       return 0;
+               }
+       }
+
+#ifdef USE_CACHE
+       if (!_tgl_init(bufmgr_sprd->tgl_fd, GLOBAL_KEY)) {
+               TBM_SPRD_LOG("[libtbm-sprd:%d] "
+                              "error: Fail to initialize the tgl\n",
+                              getpid());
+
+               close(bufmgr_sprd->tgl_fd);
+               return 0;
+       }
+#endif
+
+       return 1;
+}
+
+static void
+_bufmgr_deinit_cache_state(tbm_bufmgr_sprd bufmgr_sprd)
+{
+       SPRD_RETURN_IF_FAIL(bufmgr_sprd != NULL);
+
+       if (bufmgr_sprd->use_dma_fence)
+               return;
+
+       if (bufmgr_sprd->tgl_fd >= 0)
+               close(bufmgr_sprd->tgl_fd);
+}
 
 #ifndef USE_CONTIG_ONLY
 static unsigned int
 _get_sprd_flag_from_tbm (unsigned int ftbm)
 {
-    unsigned int flags = 0;
-
-/*
- * TBM_BO_DEFAULT  => ION_HEAP_ID_MASK_SYSTEM
- * TBM_BO_SCANOUT => ION_HEAP_ID_MASK_MM
- * TBM_BO_VENDOR => ION_HEAP_ID_MASK_OVERLAY
- * To be updated appropriately once DRM-GEM supports different heap id masks.
- * */
-
-    if (ftbm & TBM_BO_SCANOUT)
-    {
-      flags = SPRD_BO_CONTIG;
-    }
-    else
-    {
-      flags = SPRD_BO_NONCONTIG | SPRD_BO_DEV_SYSTEM;
-    }
-
-    if (ftbm & TBM_BO_WC)
-        flags |= SPRD_BO_WC;
-    else if (ftbm & TBM_BO_NONCACHABLE)
-        flags |= SPRD_BO_NONCACHABLE;
-
-    return flags;
+       unsigned int flags = 0;
+
+       /*
+        * TBM_BO_DEFAULT  => ION_HEAP_ID_MASK_SYSTEM
+        * TBM_BO_SCANOUT => ION_HEAP_ID_MASK_MM
+        * TBM_BO_VENDOR => ION_HEAP_ID_MASK_OVERLAY
+        * To be updated appropriately once DRM-GEM supports different heap id masks.
+        * */
+
+       if (ftbm & TBM_BO_SCANOUT) {
+               flags = SPRD_BO_CONTIG;
+       } else {
+               flags = SPRD_BO_NONCONTIG | SPRD_BO_DEV_SYSTEM;
+       }
+
+       if (ftbm & TBM_BO_WC)
+               flags |= SPRD_BO_WC;
+       else if (ftbm & TBM_BO_NONCACHABLE)
+               flags |= SPRD_BO_NONCACHABLE;
+
+       return flags;
 }
 
 static unsigned int
 _get_tbm_flag_from_sprd (unsigned int fsprd)
 {
-    unsigned int flags = 0;
+       unsigned int flags = 0;
 
-    if (fsprd & SPRD_BO_NONCONTIG)
-        flags |= TBM_BO_DEFAULT;
-    else
-        flags |= TBM_BO_SCANOUT;
+       if (fsprd & SPRD_BO_NONCONTIG)
+               flags |= TBM_BO_DEFAULT;
+       else
+               flags |= TBM_BO_SCANOUT;
 
-    if (fsprd & SPRD_BO_WC)
-        flags |= TBM_BO_WC;
-    else if (fsprd & SPRD_BO_CACHABLE)
-        flags |= TBM_BO_DEFAULT;
-    else
-        flags |= TBM_BO_NONCACHABLE;
+       if (fsprd & SPRD_BO_WC)
+               flags |= TBM_BO_WC;
+       else if (fsprd & SPRD_BO_CACHABLE)
+               flags |= TBM_BO_DEFAULT;
+       else
+               flags |= TBM_BO_NONCACHABLE;
 
-    return flags;
+       return flags;
 }
 #endif
 
 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_SPRD_LOG ("[libtbm-sprd:%d] "
-                 "error %s:%d fail to get flink gem=%d\n",
-                 getpid(), __FUNCTION__, __LINE__, gem);
-        return 0;
-    }
-
-    return (unsigned int)arg.name;
+       struct drm_gem_flink arg = {0,};
+
+       arg.handle = gem;
+       if (drmIoctl (fd, DRM_IOCTL_GEM_FLINK, &arg)) {
+               TBM_SPRD_LOG ("[libtbm-sprd:%d] "
+                             "error %s:%d fail to get flink gem=%d\n",
+                             getpid(), __FUNCTION__, __LINE__, gem);
+               return 0;
+       }
+
+       return (unsigned int)arg.name;
 }
 
 static tbm_bo_handle
 _sprd_bo_handle (tbm_bo_sprd bo_sprd, 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_sprd->gem;
-        break;
-    case TBM_DEVICE_CPU:
-        if (!bo_sprd->pBase)
-        {
-            struct drm_sprd_gem_mmap arg = {0,};
-
-            arg.handle = bo_sprd->gem;
-            arg.size = bo_sprd->size;
-            if (drmCommandWriteRead (bo_sprd->fd, DRM_SPRD_GEM_MMAP, &arg, sizeof(arg)))
-            {
-                TBM_SPRD_LOG ("[libtbm-sprd:%d] "
-                         "error %s:%d Cannot usrptr gem=%d\n",
-                         getpid(), __FUNCTION__, __LINE__, bo_sprd->gem);
-                return (tbm_bo_handle) NULL;
-            }
-            bo_sprd->pBase = (void*)((uint32_t)arg.mapped);
-        }
-
-        bo_handle.ptr = (void *)bo_sprd->pBase;
-        break;
-    case TBM_DEVICE_3D:
+       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_sprd->gem;
+               break;
+       case TBM_DEVICE_CPU:
+               if (!bo_sprd->pBase) {
+                       struct drm_sprd_gem_mmap arg = {0,};
+
+                       arg.handle = bo_sprd->gem;
+                       arg.size = bo_sprd->size;
+                       if (drmCommandWriteRead (bo_sprd->fd, DRM_SPRD_GEM_MMAP, &arg, sizeof(arg))) {
+                               TBM_SPRD_LOG ("[libtbm-sprd:%d] "
+                                             "error %s:%d Cannot usrptr gem=%d\n",
+                                             getpid(), __FUNCTION__, __LINE__, bo_sprd->gem);
+                               return (tbm_bo_handle) NULL;
+                       }
+                       bo_sprd->pBase = (void *)((uint32_t)arg.mapped);
+               }
+
+               bo_handle.ptr = (void *)bo_sprd->pBase;
+               break;
+       case TBM_DEVICE_3D:
 #ifdef USE_DMAIMPORT
-   if (!bo_sprd->dmabuf)
-        {
-            struct drm_prime_handle arg = {0, };
-            arg.handle = bo_sprd->gem;
-            if (drmIoctl (bo_sprd->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg))
-            {
-                TBM_SPRD_LOG ("[libtbm-sprd:%d] "
-                         "error %s:%d Cannot dmabuf=%d\n",
-                         getpid(), __FUNCTION__, __LINE__, bo_sprd->gem);
-                return (tbm_bo_handle) NULL;
-            }
-            bo_sprd->dmabuf = arg.fd;
-        }
-
-        bo_handle.u32 = (uint32_t)bo_sprd->dmabuf;
+               if (!bo_sprd->dmabuf) {
+                       struct drm_prime_handle arg = {0, };
+                       arg.handle = bo_sprd->gem;
+                       if (drmIoctl (bo_sprd->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg)) {
+                               TBM_SPRD_LOG ("[libtbm-sprd:%d] "
+                                             "error %s:%d Cannot dmabuf=%d\n",
+                                             getpid(), __FUNCTION__, __LINE__, bo_sprd->gem);
+                               return (tbm_bo_handle) NULL;
+                       }
+                       bo_sprd->dmabuf = arg.fd;
+               }
+
+               bo_handle.u32 = (uint32_t)bo_sprd->dmabuf;
 
 #endif
-        break;
+               break;
 
-    case TBM_DEVICE_MM:
+       case TBM_DEVICE_MM:
 #ifdef USE_HEAP_ID
-        //TODO : Add ioctl for GSP MAP once available.
-    DBG ("[libtbm-sprd:%d] %s In case TBM_DEVICE_MM:  \n", getpid(),
-         __FUNCTION_);_
+               //TODO : Add ioctl for GSP MAP once available.
+               DBG ("[libtbm-sprd:%d] %s In case TBM_DEVICE_MM:  \n", getpid(),
+                    __FUNCTION_);
+               _
 
 #else
-        if (!bo_sprd->dmabuf)
-        {
-            struct drm_prime_handle arg = {0, };
-
-            arg.handle = bo_sprd->gem;
-            if (drmIoctl (bo_sprd->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg))
-            {
-                TBM_SPRD_LOG ("[libtbm-sprd:%d] "
-                         "error %s:%d Cannot dmabuf=%d\n",
-                         getpid(), __FUNCTION__, __LINE__, bo_sprd->gem);
-                return (tbm_bo_handle) NULL;
-            }
-            bo_sprd->dmabuf = arg.fd;
-        }
-
-        bo_handle.u32 = (uint32_t)bo_sprd->dmabuf;
+               if (!bo_sprd->dmabuf) {
+                       struct drm_prime_handle arg = {0, };
+
+                       arg.handle = bo_sprd->gem;
+                       if (drmIoctl (bo_sprd->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg)) {
+                               TBM_SPRD_LOG ("[libtbm-sprd:%d] "
+                                             "error %s:%d Cannot dmabuf=%d\n",
+                                             getpid(), __FUNCTION__, __LINE__, bo_sprd->gem);
+                               return (tbm_bo_handle) NULL;
+                       }
+                       bo_sprd->dmabuf = arg.fd;
+               }
+
+               bo_handle.u32 = (uint32_t)bo_sprd->dmabuf;
 #endif
-        break;
-    default:
-        bo_handle.ptr = (void *) NULL;
-        break;
-    }
-
-    return bo_handle;
-}
+               break;
+       default:
+               bo_handle.ptr = (void *) NULL;
+               break;
+       }
 
-#ifdef USE_CACHE
-static int
-_sprd_cache_flush (int fd, tbm_bo_sprd bo_sprd, int flags)
-{
-    struct drm_sprd_gem_cache_op cache_op = {0, };
-    int ret;
-
-    /* if bo_sprd is null, do cache_flush_all */
-    if(bo_sprd)
-    {
-        cache_op.flags = 0;
-        cache_op.usr_addr = (uint64_t)((uint32_t)bo_sprd->pBase);
-        cache_op.size = bo_sprd->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 |= SPRD_DRM_CACHE_INV_ALL;
-        else
-            cache_op.flags |= SPRD_DRM_CACHE_INV_RANGE;
-    }
-
-    if (flags & TBM_CACHE_CLN)
-    {
-        if(flags & TBM_CACHE_ALL)
-            cache_op.flags |= SPRD_DRM_CACHE_CLN_ALL;
-        else
-            cache_op.flags |= SPRD_DRM_CACHE_CLN_RANGE;
-    }
-
-    if(flags & TBM_CACHE_ALL)
-        cache_op.flags |= SPRD_DRM_ALL_CACHES_CORES;
-
-    ret = drmCommandWriteRead (fd, DRM_SPRD_GEM_CACHE_OP, &cache_op, sizeof(cache_op));
-    if (ret)
-    {
-        TBM_SPRD_LOG ("[libtbm-sprd:%d] "
-                 "error %s:%d fail to flush the cache.\n",
-                 getpid(), __FUNCTION__, __LINE__);
-        return 0;
-    }
-
-    return 1;
+       return bo_handle;
 }
-#endif
 
 static int
 tbm_sprd_bo_size (tbm_bo bo)
 {
-    SPRD_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+       SPRD_RETURN_VAL_IF_FAIL (bo != NULL, 0);
 
-    tbm_bo_sprd bo_sprd;
+       tbm_bo_sprd bo_sprd;
 
-    bo_sprd = (tbm_bo_sprd)tbm_backend_get_bo_priv(bo);
+       bo_sprd = (tbm_bo_sprd)tbm_backend_get_bo_priv(bo);
 
-    return bo_sprd->size;
+       return bo_sprd->size;
 }
 
 static void *
 tbm_sprd_bo_alloc (tbm_bo bo, int size, int flags)
 {
-    SPRD_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+       SPRD_RETURN_VAL_IF_FAIL (bo != NULL, 0);
 
-    tbm_bo_sprd bo_sprd;
-    tbm_bufmgr_sprd bufmgr_sprd;
-    unsigned int sprd_flags;
+       tbm_bo_sprd bo_sprd;
+       tbm_bufmgr_sprd bufmgr_sprd;
+       unsigned int sprd_flags;
 
-    bufmgr_sprd = (tbm_bufmgr_sprd)tbm_backend_get_bufmgr_priv(bo);
-    SPRD_RETURN_VAL_IF_FAIL (bufmgr_sprd!=NULL, 0);
+       bufmgr_sprd = (tbm_bufmgr_sprd)tbm_backend_get_bufmgr_priv(bo);
+       SPRD_RETURN_VAL_IF_FAIL (bufmgr_sprd != NULL, 0);
 
-    bo_sprd = calloc (1, sizeof(struct _tbm_bo_sprd));
-    if (!bo_sprd)
-    {
-        TBM_SPRD_LOG ("[libtbm-sprd:%d] "
-                 "error %s:%d fail to allocate the bo private\n",
-                 getpid(), __FUNCTION__, __LINE__);
-        return 0;
-    }
+       bo_sprd = calloc (1, sizeof(struct _tbm_bo_sprd));
+       if (!bo_sprd) {
+               TBM_SPRD_LOG ("[libtbm-sprd:%d] "
+                             "error %s:%d fail to allocate the bo private\n",
+                             getpid(), __FUNCTION__, __LINE__);
+               return 0;
+       }
 
 #ifdef USE_CONTIG_ONLY
-    flags = TBM_BO_SCANOUT;
-    sprd_flags = SPRD_BO_CONTIG;
+       flags = TBM_BO_SCANOUT;
+       sprd_flags = SPRD_BO_CONTIG;
 #else
-    sprd_flags = _get_sprd_flag_from_tbm (flags);
-    if((flags & TBM_BO_SCANOUT) &&
-        size <= 4*1024)
-    {
-        sprd_flags |= SPRD_BO_NONCONTIG;
-    }
+       sprd_flags = _get_sprd_flag_from_tbm (flags);
+       if ((flags & TBM_BO_SCANOUT) &&
+           size <= 4 * 1024) {
+               sprd_flags |= SPRD_BO_NONCONTIG;
+       }
 #endif // USE_CONTIG_ONLY
-    struct drm_sprd_gem_create arg = {0, };
-    arg.size = size;
-    arg.flags = sprd_flags;
-    if (drmCommandWriteRead(bufmgr_sprd->fd, DRM_SPRD_GEM_CREATE, &arg, sizeof(arg)))
-    {
-        TBM_SPRD_LOG ("[libtbm-sprd:%d] "
-                 "error %s:%d Cannot create bo(flag:%x, size:%d)\n",
-                 getpid(), __FUNCTION__, __LINE__, arg.flags, (unsigned int)arg.size);
-        free (bo_sprd);
-        return 0;
-    }
-
-    bo_sprd->fd = bufmgr_sprd->fd;
-    bo_sprd->gem = arg.handle;
-    bo_sprd->size = size;
-    bo_sprd->flags_tbm = flags;
-    bo_sprd->flags_sprd = sprd_flags;
-    bo_sprd->name = _get_name (bo_sprd->fd, bo_sprd->gem);
-
-    pthread_mutex_init(&bo_sprd->mutex, NULL);
-
-    if (bufmgr_sprd->use_dma_fence
-        && !bo_sprd->dmabuf)
-    {
-        struct drm_prime_handle arg = {0, };
-
-        arg.handle = bo_sprd->gem;
-        if (drmIoctl (bo_sprd->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg))
-        {
-            TBM_SPRD_LOG ("[libtbm-sprd:%d] "
-                    "error %s:%d Cannot dmabuf=%d\n",
-                    getpid(), __FUNCTION__, __LINE__, bo_sprd->gem);
-            free (bo_sprd);
-            return 0;
-        }
-        bo_sprd->dmabuf = arg.fd;
-    }
-
-    /* add bo to hash */
-    PrivGem* privGem = calloc (1, sizeof(PrivGem));
-    privGem->ref_count = 1;
-    if (drmHashInsert(bufmgr_sprd->hashBos, bo_sprd->name, (void *)privGem) < 0)
-    {
-        TBM_SPRD_LOG ("[libtbm-sprd:%d] "
-                 "error %s:%d Cannot insert bo to Hash(%d)\n",
-                 getpid(), __FUNCTION__, __LINE__, bo_sprd->name);
-    }
-
-    DBG ("[libtbm-sprd:%d] %s size:%d, gem:%d(%d), flags:%d(%d)\n", getpid(),
-         __FUNCTION__, bo_sprd->size,
-         bo_sprd->gem, bo_sprd->name,
-         flags, sprd_flags);
-
-    return (void *)bo_sprd;
+       struct drm_sprd_gem_create arg = {0, };
+       arg.size = (uint64_t)size;
+       arg.flags = sprd_flags;
+       if (drmCommandWriteRead(bufmgr_sprd->fd, DRM_SPRD_GEM_CREATE, &arg,
+                               sizeof(arg))) {
+               TBM_SPRD_LOG ("[libtbm-sprd:%d] "
+                             "error %s:%d Cannot create bo(flag:%x, size:%d)\n",
+                             getpid(), __FUNCTION__, __LINE__, arg.flags, (unsigned int)arg.size);
+               free (bo_sprd);
+               return 0;
+       }
+
+       bo_sprd->fd = bufmgr_sprd->fd;
+       bo_sprd->gem = arg.handle;
+       bo_sprd->size = size;
+       bo_sprd->flags_tbm = flags;
+       bo_sprd->flags_sprd = sprd_flags;
+       bo_sprd->name = _get_name (bo_sprd->fd, bo_sprd->gem);
+
+       if (!_bo_init_cache_state(bufmgr_sprd, bo_sprd, 0)) {
+               TBM_SPRD_LOG ("error fail init cache state(%d)\n", bo_sprd->name);
+               free (bo_sprd);
+               return 0;
+       }
+
+       pthread_mutex_init(&bo_sprd->mutex, NULL);
+
+       if (bufmgr_sprd->use_dma_fence
+           && !bo_sprd->dmabuf) {
+               struct drm_prime_handle arg = {0, };
+
+               arg.handle = bo_sprd->gem;
+               if (drmIoctl (bo_sprd->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg)) {
+                       TBM_SPRD_LOG ("[libtbm-sprd:%d] "
+                                     "error %s:%d Cannot dmabuf=%d\n",
+                                     getpid(), __FUNCTION__, __LINE__, bo_sprd->gem);
+                       free (bo_sprd);
+                       return 0;
+               }
+               bo_sprd->dmabuf = arg.fd;
+       }
+
+       /* add bo to hash */
+       PrivGem *privGem = calloc (1, sizeof(PrivGem));
+       privGem->ref_count = 1;
+       privGem->bo_priv = bo_sprd;
+       if (drmHashInsert(bufmgr_sprd->hashBos, bo_sprd->name, (void *)privGem) < 0) {
+               TBM_SPRD_LOG ("[libtbm-sprd:%d] "
+                             "error %s:%d Cannot insert bo to Hash(%d)\n",
+                             getpid(), __FUNCTION__, __LINE__, bo_sprd->name);
+       }
+
+       DBG ("[libtbm-sprd:%d] %s size:%d, gem:%d(%d), flags:%d(%d)\n", getpid(),
+            __FUNCTION__, bo_sprd->size,
+            bo_sprd->gem, bo_sprd->name,
+            flags, sprd_flags);
+
+       return (void *)bo_sprd;
 }
 
 static void
 tbm_sprd_bo_free(tbm_bo bo)
 {
-    tbm_bo_sprd bo_sprd;
-    tbm_bufmgr_sprd bufmgr_sprd;
-
-    if (!bo)
-        return;
-
-    bufmgr_sprd = (tbm_bufmgr_sprd)tbm_backend_get_bufmgr_priv(bo);
-    SPRD_RETURN_IF_FAIL (bufmgr_sprd!=NULL);
-
-    bo_sprd = (tbm_bo_sprd)tbm_backend_get_bo_priv(bo);
-    SPRD_RETURN_IF_FAIL (bo_sprd!=NULL);
-
-    DBG ("[libtbm-sprd:%d] %s size:%d, gem:%d(%d)\n",
-         getpid(), __FUNCTION__, bo_sprd->size, bo_sprd->gem, bo_sprd->name);
-
-    if (bo_sprd->pBase)
-    {
-        if (munmap(bo_sprd->pBase, bo_sprd->size) == -1)
-        {
-            TBM_SPRD_LOG ("[libtbm-sprd:%d] "
-                     "error %s:%d\n",
-                     getpid(), __FUNCTION__, __LINE__);
-        }
-    }
-
-    /* close dmabuf */
-    if (bo_sprd->dmabuf)
-    {
-        close (bo_sprd->dmabuf);
-        bo_sprd->dmabuf = 0;
-    }
-
-    /* delete bo from hash */
-    PrivGem *privGem = NULL;
-    int ret;
-
-    ret = drmHashLookup (bufmgr_sprd->hashBos, bo_sprd->name, (void**)&privGem);
-    if (ret == 0)
-    {
-        privGem->ref_count--;
-        if (privGem->ref_count == 0)
-        {
-            drmHashDelete (bufmgr_sprd->hashBos, bo_sprd->name);
-            free (privGem);
-            privGem = NULL;
-        }
-    }
-    else
-    {
-        TBM_SPRD_LOG ("[libtbm-sprd:%d] "
-                 "warning %s:%d Cannot find bo to Hash(%d), ret=%d\n",
-                 getpid(), __FUNCTION__, __LINE__, bo_sprd->name, ret);
-    }
-
-    /* Free gem handle */
-    struct drm_gem_close arg = {0, };
-    memset (&arg, 0, sizeof(arg));
-    arg.handle = bo_sprd->gem;
-    if (drmIoctl (bo_sprd->fd, DRM_IOCTL_GEM_CLOSE, &arg))
-    {
-        TBM_SPRD_LOG ("[libtbm-sprd:%d] "
-                 "error %s:%d\n",
-                 getpid(), __FUNCTION__, __LINE__);
-    }
-
-    free (bo_sprd);
+       tbm_bo_sprd bo_sprd;
+       tbm_bufmgr_sprd bufmgr_sprd;
+
+       if (!bo)
+               return;
+
+       bufmgr_sprd = (tbm_bufmgr_sprd)tbm_backend_get_bufmgr_priv(bo);
+       SPRD_RETURN_IF_FAIL (bufmgr_sprd != NULL);
+
+       bo_sprd = (tbm_bo_sprd)tbm_backend_get_bo_priv(bo);
+       SPRD_RETURN_IF_FAIL (bo_sprd != NULL);
+
+       DBG ("[libtbm-sprd:%d] %s size:%d, gem:%d(%d)\n",
+            getpid(), __FUNCTION__, bo_sprd->size, bo_sprd->gem, bo_sprd->name);
+
+       if (bo_sprd->pBase) {
+               if (munmap(bo_sprd->pBase, bo_sprd->size) == -1) {
+                       TBM_SPRD_LOG ("[libtbm-sprd:%d] "
+                                     "error %s:%d\n",
+                                     getpid(), __FUNCTION__, __LINE__);
+               }
+       }
+
+       /* close dmabuf */
+       if (bo_sprd->dmabuf) {
+               close (bo_sprd->dmabuf);
+               bo_sprd->dmabuf = 0;
+       }
+
+       /* delete bo from hash */
+       PrivGem *privGem = NULL;
+       int ret;
+
+       ret = drmHashLookup (bufmgr_sprd->hashBos, bo_sprd->name, (void **)&privGem);
+       if (ret == 0) {
+               privGem->ref_count--;
+               if (privGem->ref_count == 0) {
+                       drmHashDelete (bufmgr_sprd->hashBos, bo_sprd->name);
+                       free (privGem);
+                       privGem = NULL;
+               }
+       } else {
+               TBM_SPRD_LOG ("[libtbm-sprd:%d] "
+                             "warning %s:%d Cannot find bo to Hash(%d), ret=%d\n",
+                             getpid(), __FUNCTION__, __LINE__, bo_sprd->name, ret);
+       }
+
+       _bo_destroy_cache_state(bufmgr_sprd, bo_sprd);
+
+       /* Free gem handle */
+       struct drm_gem_close arg = {0, };
+       memset (&arg, 0, sizeof(arg));
+       arg.handle = bo_sprd->gem;
+       if (drmIoctl (bo_sprd->fd, DRM_IOCTL_GEM_CLOSE, &arg)) {
+               TBM_SPRD_LOG ("[libtbm-sprd:%d] "
+                             "error %s:%d\n",
+                             getpid(), __FUNCTION__, __LINE__);
+       }
+
+       free (bo_sprd);
 }
 
 
 static void *
 tbm_sprd_bo_import (tbm_bo bo, unsigned int key)
 {
-    SPRD_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
-
-    tbm_bufmgr_sprd bufmgr_sprd;
-    tbm_bo_sprd bo_sprd;
-
-    bufmgr_sprd = (tbm_bufmgr_sprd)tbm_backend_get_bufmgr_priv(bo);
-    SPRD_RETURN_VAL_IF_FAIL (bufmgr_sprd!=NULL, 0);
-
-    struct drm_gem_open arg = {0, };
-    struct drm_sprd_gem_info info = {0, };
-
-    arg.name = key;
-    if (drmIoctl(bufmgr_sprd->fd, DRM_IOCTL_GEM_OPEN, &arg))
-    {
-        TBM_SPRD_LOG ("[libtbm-sprd:%d] "
-                "error %s:%d Cannot open gem name=%d\n",
-                getpid(), __FUNCTION__, __LINE__, key);
-        return 0;
-    }
-
-    info.handle = arg.handle;
-    if (drmCommandWriteRead(bufmgr_sprd->fd,
-                           DRM_SPRD_GEM_GET,
-                           &info,
-                           sizeof(struct drm_sprd_gem_info)))
-    {
-        TBM_SPRD_LOG ("[libtbm-sprd:%d] "
-                "error %s:%d Cannot get gem info=%d\n",
-                getpid(), __FUNCTION__, __LINE__, key);
-        return 0;
-    }
-
-    bo_sprd = calloc (1, sizeof(struct _tbm_bo_sprd));
-    if (!bo_sprd)
-    {
-        TBM_SPRD_LOG ("[libtbm-sprd:%d] "
-                "error %s:%d fail to allocate the bo private\n",
-                getpid(), __FUNCTION__, __LINE__);
-        return 0;
-    }
-
-    bo_sprd->fd = bufmgr_sprd->fd;
-    bo_sprd->gem = arg.handle;
-    bo_sprd->size = arg.size;
-    bo_sprd->flags_sprd = info.flags;
-    bo_sprd->name = key;
+       SPRD_RETURN_VAL_IF_FAIL (bo != NULL, 0);
+
+       tbm_bufmgr_sprd bufmgr_sprd;
+       tbm_bo_sprd bo_sprd;
+       PrivGem *privGem = NULL;
+       int ret;
+
+       bufmgr_sprd = (tbm_bufmgr_sprd)tbm_backend_get_bufmgr_priv(bo);
+       SPRD_RETURN_VAL_IF_FAIL (bufmgr_sprd != NULL, 0);
+
+       ret = drmHashLookup (bufmgr_sprd->hashBos, key, (void **)&privGem);
+       if (ret == 0) {
+               return privGem->bo_priv;
+       }
+
+       struct drm_gem_open arg = {0, };
+       struct drm_sprd_gem_info info = {0, };
+
+       arg.name = key;
+       if (drmIoctl(bufmgr_sprd->fd, DRM_IOCTL_GEM_OPEN, &arg)) {
+               TBM_SPRD_LOG ("[libtbm-sprd:%d] "
+                             "error %s:%d Cannot open gem name=%d\n",
+                             getpid(), __FUNCTION__, __LINE__, key);
+               return 0;
+       }
+
+       info.handle = arg.handle;
+       if (drmCommandWriteRead(bufmgr_sprd->fd,
+                               DRM_SPRD_GEM_GET,
+                               &info,
+                               sizeof(struct drm_sprd_gem_info))) {
+               TBM_SPRD_LOG ("[libtbm-sprd:%d] "
+                             "error %s:%d Cannot get gem info=%d\n",
+                             getpid(), __FUNCTION__, __LINE__, key);
+               return 0;
+       }
+
+       bo_sprd = calloc (1, sizeof(struct _tbm_bo_sprd));
+       if (!bo_sprd) {
+               TBM_SPRD_LOG ("[libtbm-sprd:%d] "
+                             "error %s:%d fail to allocate the bo private\n",
+                             getpid(), __FUNCTION__, __LINE__);
+               return 0;
+       }
+
+       bo_sprd->fd = bufmgr_sprd->fd;
+       bo_sprd->gem = arg.handle;
+       bo_sprd->size = arg.size;
+       bo_sprd->flags_sprd = info.flags;
+       bo_sprd->name = key;
 #ifdef USE_CONTIG_ONLY
-    bo_sprd->flags_sprd = SPRD_BO_CONTIG;
-    bo_sprd->flags_tbm |= TBM_BO_SCANOUT;
+       bo_sprd->flags_sprd = SPRD_BO_CONTIG;
+       bo_sprd->flags_tbm |= TBM_BO_SCANOUT;
 #else
-    bo_sprd->flags_tbm = _get_tbm_flag_from_sprd (bo_sprd->flags_sprd);
+       bo_sprd->flags_tbm = _get_tbm_flag_from_sprd (bo_sprd->flags_sprd);
 #endif
 
-
-    if (!bo_sprd->dmabuf)
-    {
-        struct drm_prime_handle arg = {0, };
-
-        arg.handle = bo_sprd->gem;
-        if (drmIoctl (bo_sprd->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg))
-        {
-            TBM_SPRD_LOG ("[libtbm-sprd:%d] "
-                    "error %s:%d Cannot dmabuf=%d\n",
-                    getpid(), __FUNCTION__, __LINE__, bo_sprd->gem);
-            free (bo_sprd);
-            return 0;
-        }
-        bo_sprd->dmabuf = arg.fd;
-    }
-
-    /* add bo to hash */
-    PrivGem *privGem = NULL;
-    int ret;
-
-    ret = drmHashLookup (bufmgr_sprd->hashBos, bo_sprd->name, (void**)&privGem);
-    if (ret == 0)
-    {
-        privGem->ref_count++;
-    }
-    else if (ret == 1)
-    {
-        privGem = calloc (1, sizeof(PrivGem));
-        privGem->ref_count = 1;
-        if (drmHashInsert (bufmgr_sprd->hashBos, bo_sprd->name, (void *)privGem) < 0)
-        {
-            TBM_SPRD_LOG ("[libtbm-sprd:%d] "
-                    "error %s:%d Cannot insert bo to Hash(%d)\n",
-                    getpid(), __FUNCTION__, __LINE__, bo_sprd->name);
-        }
-    }
-    else
-    {
-        TBM_SPRD_LOG ("[libtbm-sprd:%d] "
-                "error %s:%d Cannot insert bo to Hash(%d)\n",
-                getpid(), __FUNCTION__, __LINE__, bo_sprd->name);
-    }
-
-    DBG ("[libtbm-sprd:%d] %s size:%d, gem:%d(%d), flags:%d(%d)\n", getpid(),
-         __FUNCTION__, bo_sprd->size,
-         bo_sprd->gem, bo_sprd->name,
-         bo_sprd->flags_tbm, bo_sprd->flags_sprd);
-
-    return (void *)bo_sprd;
+       if (!_bo_init_cache_state(bufmgr_sprd, bo_sprd, 1)) {
+               TBM_SPRD_LOG ("error fail init cache state(%d)\n", bo_sprd->name);
+               free (bo_sprd);
+               return 0;
+       }
+
+       if (!bo_sprd->dmabuf) {
+               struct drm_prime_handle arg = {0, };
+
+               arg.handle = bo_sprd->gem;
+               if (drmIoctl (bo_sprd->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg)) {
+                       TBM_SPRD_LOG ("[libtbm-sprd:%d] "
+                                     "error %s:%d Cannot dmabuf=%d\n",
+                                     getpid(), __FUNCTION__, __LINE__, bo_sprd->gem);
+                       free (bo_sprd);
+                       return 0;
+               }
+               bo_sprd->dmabuf = arg.fd;
+       }
+
+       /* add bo to hash */
+       privGem = calloc (1, sizeof(PrivGem));
+       privGem->ref_count = 1;
+       privGem->bo_priv = bo_sprd;
+       if (drmHashInsert (bufmgr_sprd->hashBos, bo_sprd->name, (void *)privGem) < 0) {
+               TBM_SPRD_LOG ("[libtbm-sprd:%d] "
+                             "error %s:%d Cannot insert bo to Hash(%d)\n",
+                             getpid(), __FUNCTION__, __LINE__, bo_sprd->name);
+       }
+
+       DBG ("[libtbm-sprd:%d] %s size:%d, gem:%d(%d), flags:%d(%d)\n", getpid(),
+            __FUNCTION__, bo_sprd->size,
+            bo_sprd->gem, bo_sprd->name,
+            bo_sprd->flags_tbm, bo_sprd->flags_sprd);
+
+       return (void *)bo_sprd;
 }
 
 static void *
 tbm_sprd_bo_import_fd (tbm_bo bo, tbm_fd key)
 {
-    SPRD_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
-
-    tbm_bufmgr_sprd bufmgr_sprd;
-    tbm_bo_sprd bo_sprd;
-
-    bufmgr_sprd = (tbm_bufmgr_sprd)tbm_backend_get_bufmgr_priv(bo);
-    SPRD_RETURN_VAL_IF_FAIL (bufmgr_sprd!=NULL, 0);
-
-    unsigned int gem = 0;
-    unsigned int real_size = -1;
-    struct drm_sprd_gem_info info = {0, };
-
-    //getting handle from fd
-    struct drm_prime_handle arg = {0, };
-
-    arg.fd = key;
-    arg.flags = 0;
-    if (drmIoctl (bufmgr_sprd->fd, DRM_IOCTL_PRIME_FD_TO_HANDLE, &arg))
-    {
-        TBM_SPRD_LOG ("error bo:%p Cannot get gem handle from fd:%d (%s)\n",
-                 bo, arg.fd, strerror(errno));
-        return NULL;
-    }
-    gem = arg.handle;
-
-    /* Determine size of bo.  The fd-to-handle ioctl really should
-     * return the size, but it doesn't.  If we have kernel 3.12 or
-     * later, we can lseek on the prime fd to get the size.  Older
-     * kernels will just fail, in which case we fall back to the
-     * provided (estimated or guess size). */
-    real_size = lseek(key, 0, SEEK_END);
-
-    info.handle = gem;
-    if (drmCommandWriteRead(bufmgr_sprd->fd,
-                           DRM_SPRD_GEM_GET,
-                           &info,
-                           sizeof(struct drm_sprd_gem_info)))
-    {
-        TBM_SPRD_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_sprd = calloc (1, sizeof(struct _tbm_bo_sprd));
-    if (!bo_sprd)
-    {
-        TBM_SPRD_LOG ("error bo:%p fail to allocate the bo private\n", bo);
-        return 0;
-    }
-
-    bo_sprd->fd = bufmgr_sprd->fd;
-    bo_sprd->gem = gem;
-    bo_sprd->size = real_size;
-    bo_sprd->flags_sprd = info.flags;
-    bo_sprd->flags_tbm = _get_tbm_flag_from_sprd (bo_sprd->flags_sprd);
-
-    bo_sprd->name = _get_name(bo_sprd->fd, bo_sprd->gem);
-    if (!bo_sprd->name)
-    {
-        TBM_SPRD_LOG ("error bo:%p Cannot get name from gem:%d, fd:%d (%s)\n",
-            bo, gem, key, strerror(errno));
-        free (bo_sprd);
-        return 0;
-    }
-
-    /* add bo to hash */
-    PrivGem *privGem = NULL;
-    int ret;
-
-    ret = drmHashLookup (bufmgr_sprd->hashBos, bo_sprd->name, (void**)&privGem);
-    if (ret == 0)
-    {
-        privGem->ref_count++;
-    }
-    else if (ret == 1)
-    {
-        privGem = calloc (1, sizeof(PrivGem));
-        if (!privGem)
-        {
-            TBM_SPRD_LOG ("[libtbm-sprd:%d] "
-                    "error %s:%d Fail to calloc privGem\n",
-                    getpid(), __FUNCTION__, __LINE__);
-            free (bo_sprd);
-            return 0;
-        }
-
-        privGem->ref_count = 1;
-        if (drmHashInsert (bufmgr_sprd->hashBos, bo_sprd->name, (void *)privGem) < 0)
-        {
-            TBM_SPRD_LOG ("error bo:%p Cannot insert bo to Hash(%d) from gem:%d, fd:%d\n",
-                bo, bo_sprd->name, gem, key);
-        }
-    }
-    else
-    {
-        TBM_SPRD_LOG ("error bo:%p Cannot insert bo to Hash(%d) from gem:%d, fd:%d\n",
-                bo, bo_sprd->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_sprd->gem, bo_sprd->name,
-         bo_sprd->dmabuf,
-         key,
-         bo_sprd->flags_tbm, bo_sprd->flags_sprd,
-         bo_sprd->size);
-
-    return (void *)bo_sprd;
+       SPRD_RETURN_VAL_IF_FAIL (bo != NULL, 0);
+
+       tbm_bufmgr_sprd bufmgr_sprd;
+       tbm_bo_sprd bo_sprd;
+       PrivGem *privGem = NULL;
+       int ret;
+       unsigned int name;
+
+       bufmgr_sprd = (tbm_bufmgr_sprd)tbm_backend_get_bufmgr_priv(bo);
+       SPRD_RETURN_VAL_IF_FAIL (bufmgr_sprd != NULL, 0);
+
+       //getting handle from fd
+       unsigned int gem = 0;
+       struct drm_prime_handle arg = {0, };
+
+       arg.fd = key;
+       arg.flags = 0;
+       if (drmIoctl (bufmgr_sprd->fd, DRM_IOCTL_PRIME_FD_TO_HANDLE, &arg)) {
+               TBM_SPRD_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_sprd->fd, gem);
+
+       ret = drmHashLookup (bufmgr_sprd->hashBos, name, (void **)&privGem);
+       if (ret == 0) {
+               if (gem == privGem->bo_priv->gem) {
+                       return privGem->bo_priv;
+               }
+       }
+
+       unsigned int real_size = -1;
+       struct drm_sprd_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). */
+       real_size = lseek(key, 0, SEEK_END);
+
+       info.handle = gem;
+       if (drmCommandWriteRead(bufmgr_sprd->fd,
+                               DRM_SPRD_GEM_GET,
+                               &info,
+                               sizeof(struct drm_sprd_gem_info))) {
+               TBM_SPRD_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_sprd = calloc (1, sizeof(struct _tbm_bo_sprd));
+       if (!bo_sprd) {
+               TBM_SPRD_LOG ("error bo:%p fail to allocate the bo private\n", bo);
+               return 0;
+       }
+
+       bo_sprd->fd = bufmgr_sprd->fd;
+       bo_sprd->gem = gem;
+       bo_sprd->size = real_size;
+       bo_sprd->flags_sprd = info.flags;
+       bo_sprd->flags_tbm = _get_tbm_flag_from_sprd (bo_sprd->flags_sprd);
+
+       bo_sprd->name = name;
+       if (!bo_sprd->name) {
+               TBM_SPRD_LOG ("error bo:%p Cannot get name from gem:%d, fd:%d (%s)\n",
+                             bo, gem, key, strerror(errno));
+               free (bo_sprd);
+               return 0;
+       }
+
+       if (!_bo_init_cache_state(bufmgr_sprd, bo_sprd, 1)) {
+               TBM_SPRD_LOG ("error fail init cache state(%d)\n", bo_sprd->name);
+               free (bo_sprd);
+               return 0;
+       }
+
+       /* add bo to hash */
+       privGem = NULL;
+
+       privGem = calloc (1, sizeof(PrivGem));
+       if (!privGem) {
+               TBM_SPRD_LOG ("[libtbm-sprd:%d] "
+                             "error %s:%d Fail to calloc privGem\n",
+                             getpid(), __FUNCTION__, __LINE__);
+               free (bo_sprd);
+               return 0;
+       }
+
+       privGem->ref_count = 1;
+       privGem->bo_priv = bo_sprd;
+       if (drmHashInsert (bufmgr_sprd->hashBos, bo_sprd->name, (void *)privGem) < 0) {
+               TBM_SPRD_LOG ("error bo:%p Cannot insert bo to Hash(%d) from gem:%d, fd:%d\n",
+                             bo, bo_sprd->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_sprd->gem, bo_sprd->name,
+            bo_sprd->dmabuf,
+            key,
+            bo_sprd->flags_tbm, bo_sprd->flags_sprd,
+            bo_sprd->size);
+
+       return (void *)bo_sprd;
 }
 
 static unsigned int
 tbm_sprd_bo_export (tbm_bo bo)
 {
-    SPRD_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
-
-    tbm_bo_sprd bo_sprd;
-
-    bo_sprd = (tbm_bo_sprd)tbm_backend_get_bo_priv(bo);
-    SPRD_RETURN_VAL_IF_FAIL (bo_sprd!=NULL, 0);
-
-    if (!bo_sprd->name)
-    {
-        bo_sprd->name = _get_name(bo_sprd->fd, bo_sprd->gem);
-        if (!bo_sprd->name)
-        {
-            TBM_SPRD_LOG ("[libtbm-sprd:%d] "
-                    "error %s:%d Cannot get name\n",
-                    getpid(), __FUNCTION__, __LINE__);
-            return 0;
-        }
-    }
-
-    DBG ("[libtbm-sprd:%d] %s size:%d, gem:%d(%d), flags:%d(%d)\n", getpid(),
-         __FUNCTION__, bo_sprd->size,
-         bo_sprd->gem, bo_sprd->name,
-         bo_sprd->flags_tbm, bo_sprd->flags_sprd);
-
-    return (unsigned int)bo_sprd->name;
+       SPRD_RETURN_VAL_IF_FAIL (bo != NULL, 0);
+
+       tbm_bo_sprd bo_sprd;
+
+       bo_sprd = (tbm_bo_sprd)tbm_backend_get_bo_priv(bo);
+       SPRD_RETURN_VAL_IF_FAIL (bo_sprd != NULL, 0);
+
+       if (!bo_sprd->name) {
+               bo_sprd->name = _get_name(bo_sprd->fd, bo_sprd->gem);
+               if (!bo_sprd->name) {
+                       TBM_SPRD_LOG ("[libtbm-sprd:%d] "
+                                     "error %s:%d Cannot get name\n",
+                                     getpid(), __FUNCTION__, __LINE__);
+                       return 0;
+               }
+       }
+
+       DBG ("[libtbm-sprd:%d] %s size:%d, gem:%d(%d), flags:%d(%d)\n", getpid(),
+            __FUNCTION__, bo_sprd->size,
+            bo_sprd->gem, bo_sprd->name,
+            bo_sprd->flags_tbm, bo_sprd->flags_sprd);
+
+       return (unsigned int)bo_sprd->name;
 }
 
 tbm_fd
 tbm_sprd_bo_export_fd (tbm_bo bo)
 {
-    SPRD_RETURN_VAL_IF_FAIL (bo!=NULL, -1);
-
-    tbm_bo_sprd bo_sprd;
-    int ret;
-
-    bo_sprd = (tbm_bo_sprd)tbm_backend_get_bo_priv(bo);
-    SPRD_RETURN_VAL_IF_FAIL (bo_sprd!=NULL, -1);
-
-    struct drm_prime_handle arg = {0, };
-
-    arg.handle = bo_sprd->gem;
-    ret = drmIoctl (bo_sprd->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg);
-    if (ret)
-    {
-        TBM_SPRD_LOG ("error bo:%p Cannot dmabuf=%d (%s)\n",
-            bo, bo_sprd->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_sprd->gem, bo_sprd->name,
-         bo_sprd->dmabuf,
-         arg.fd,
-         bo_sprd->flags_tbm, bo_sprd->flags_sprd,
-         bo_sprd->size);
-
-    return (tbm_fd)arg.fd;
+       SPRD_RETURN_VAL_IF_FAIL (bo != NULL, -1);
+
+       tbm_bo_sprd bo_sprd;
+       int ret;
+
+       bo_sprd = (tbm_bo_sprd)tbm_backend_get_bo_priv(bo);
+       SPRD_RETURN_VAL_IF_FAIL (bo_sprd != NULL, -1);
+
+       struct drm_prime_handle arg = {0, };
+
+       arg.handle = bo_sprd->gem;
+       ret = drmIoctl (bo_sprd->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg);
+       if (ret) {
+               TBM_SPRD_LOG ("error bo:%p Cannot dmabuf=%d (%s)\n",
+                             bo, bo_sprd->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_sprd->gem, bo_sprd->name,
+            bo_sprd->dmabuf,
+            arg.fd,
+            bo_sprd->flags_tbm, bo_sprd->flags_sprd,
+            bo_sprd->size);
+
+       return (tbm_fd)arg.fd;
 }
 
 
 static tbm_bo_handle
 tbm_sprd_bo_get_handle (tbm_bo bo, int device)
 {
-    SPRD_RETURN_VAL_IF_FAIL (bo!=NULL, (tbm_bo_handle) NULL);
-
-    tbm_bo_handle bo_handle;
-    tbm_bo_sprd bo_sprd;
-
-    bo_sprd = (tbm_bo_sprd)tbm_backend_get_bo_priv(bo);
-    SPRD_RETURN_VAL_IF_FAIL (bo_sprd!=NULL, (tbm_bo_handle) NULL);
-
-    if (!bo_sprd->gem)
-    {
-        TBM_SPRD_LOG ("[libtbm-sprd:%d] "
-                "error %s:%d Cannot map gem=%d\n",
-                getpid(), __FUNCTION__, __LINE__, bo_sprd->gem);
-        return (tbm_bo_handle) NULL;
-    }
-
-    DBG ("[libtbm-sprd:%d] %s gem:%d(%d), %s\n", getpid(),
-         __FUNCTION__, bo_sprd->gem, bo_sprd->name, STR_DEVICE[device]);
-
-    /*Get mapped bo_handle*/
-    bo_handle = _sprd_bo_handle (bo_sprd, device);
-    if (bo_handle.ptr == NULL)
-    {
-        TBM_SPRD_LOG ("[libtbm-sprd:%d] "
-                "error %s:%d Cannot get handle: gem:%d, device:%d\n",
-                getpid(), __FUNCTION__, __LINE__, bo_sprd->gem, device);
-        return (tbm_bo_handle) NULL;
-    }
-
-    return bo_handle;
+       SPRD_RETURN_VAL_IF_FAIL (bo != NULL, (tbm_bo_handle) NULL);
+
+       tbm_bo_handle bo_handle;
+       tbm_bo_sprd bo_sprd;
+
+       bo_sprd = (tbm_bo_sprd)tbm_backend_get_bo_priv(bo);
+       SPRD_RETURN_VAL_IF_FAIL (bo_sprd != NULL, (tbm_bo_handle) NULL);
+
+       if (!bo_sprd->gem) {
+               TBM_SPRD_LOG ("[libtbm-sprd:%d] "
+                             "error %s:%d Cannot map gem=%d\n",
+                             getpid(), __FUNCTION__, __LINE__, bo_sprd->gem);
+               return (tbm_bo_handle) NULL;
+       }
+
+       DBG ("[libtbm-sprd:%d] %s gem:%d(%d), %s\n", getpid(),
+            __FUNCTION__, bo_sprd->gem, bo_sprd->name, STR_DEVICE[device]);
+
+       /*Get mapped bo_handle*/
+       bo_handle = _sprd_bo_handle (bo_sprd, device);
+       if (bo_handle.ptr == NULL) {
+               TBM_SPRD_LOG ("[libtbm-sprd:%d] "
+                             "error %s:%d Cannot get handle: gem:%d, device:%d\n",
+                             getpid(), __FUNCTION__, __LINE__, bo_sprd->gem, device);
+               return (tbm_bo_handle) NULL;
+       }
+
+       return bo_handle;
 }
 
 static tbm_bo_handle
 tbm_sprd_bo_map (tbm_bo bo, int device, int opt)
 {
-    SPRD_RETURN_VAL_IF_FAIL (bo!=NULL, (tbm_bo_handle) NULL);
-
-    tbm_bo_handle bo_handle;
-    tbm_bo_sprd bo_sprd;
-
-    bo_sprd = (tbm_bo_sprd)tbm_backend_get_bo_priv(bo);
-    SPRD_RETURN_VAL_IF_FAIL (bo_sprd!=NULL, (tbm_bo_handle) NULL);
-
-    if (!bo_sprd->gem)
-    {
-        TBM_SPRD_LOG ("[libtbm-sprd:%d] "
-                "error %s:%d Cannot map gem=%d\n",
-                getpid(), __FUNCTION__, __LINE__, bo_sprd->gem);
-        return (tbm_bo_handle) NULL;
-    }
-
-    DBG ("[libtbm-sprd:%d] %s gem:%d(%d), %s, %s\n", getpid(),
-         __FUNCTION__, bo_sprd->gem, bo_sprd->name, STR_DEVICE[device], STR_OPT[opt]);
-
-    /*Get mapped bo_handle*/
-    bo_handle = _sprd_bo_handle (bo_sprd, device);
-    if (bo_handle.ptr == NULL)
-    {
-        TBM_SPRD_LOG ("[libtbm-sprd:%d] "
-                "error %s:%d Cannot get handle: gem:%d, device:%d, opt:%d\n",
-                getpid(), __FUNCTION__, __LINE__, bo_sprd->gem, device, opt);
-        return (tbm_bo_handle) NULL;
-    }
-
-    return bo_handle;
-}
+       SPRD_RETURN_VAL_IF_FAIL (bo != NULL, (tbm_bo_handle) NULL);
 
-static int
-tbm_sprd_bo_unmap (tbm_bo bo)
-{
-    SPRD_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+       tbm_bo_handle bo_handle;
+       tbm_bo_sprd bo_sprd;
+       tbm_bufmgr_sprd bufmgr_sprd;
+
+       bufmgr_sprd = (tbm_bufmgr_sprd)tbm_backend_get_bufmgr_priv(bo);
+       SPRD_RETURN_VAL_IF_FAIL (bufmgr_sprd != NULL, (tbm_bo_handle) NULL);
 
-    tbm_bo_sprd bo_sprd;
+       bo_sprd = (tbm_bo_sprd)tbm_backend_get_bo_priv(bo);
+       SPRD_RETURN_VAL_IF_FAIL (bo_sprd != NULL, (tbm_bo_handle) NULL);
 
-    bo_sprd = (tbm_bo_sprd)tbm_backend_get_bo_priv(bo);
-    SPRD_RETURN_VAL_IF_FAIL (bo_sprd!=NULL, 0);
+       if (!bo_sprd->gem) {
+               TBM_SPRD_LOG ("[libtbm-sprd:%d] "
+                             "error %s:%d Cannot map gem=%d\n",
+                             getpid(), __FUNCTION__, __LINE__, bo_sprd->gem);
+               return (tbm_bo_handle) NULL;
+       }
 
-    if (!bo_sprd->gem)
-        return 0;
+       DBG ("[libtbm-sprd:%d] %s gem:%d(%d), %s, %s\n", getpid(),
+            __FUNCTION__, bo_sprd->gem, bo_sprd->name, STR_DEVICE[device], STR_OPT[opt]);
 
-    DBG ("[libtbm-sprd:%d] %s gem:%d(%d) \n", getpid(),
-         __FUNCTION__, bo_sprd->gem, bo_sprd->name);
+       /*Get mapped bo_handle*/
+       bo_handle = _sprd_bo_handle (bo_sprd, device);
+       if (bo_handle.ptr == NULL) {
+               TBM_SPRD_LOG ("[libtbm-sprd:%d] "
+                             "error %s:%d Cannot get handle: gem:%d, device:%d, opt:%d\n",
+                             getpid(), __FUNCTION__, __LINE__, bo_sprd->gem, device, opt);
+               return (tbm_bo_handle) NULL;
+       }
 
-    return 1;
+       if (bo_sprd->map_cnt == 0)
+               _bo_set_cache_state (bufmgr_sprd, bo_sprd, device, opt);
+
+       bo_sprd->map_cnt++;
+
+       return bo_handle;
 }
 
 static int
-tbm_sprd_bo_cache_flush (tbm_bo bo, int flags)
+tbm_sprd_bo_unmap (tbm_bo bo)
 {
-    tbm_bufmgr_sprd bufmgr_sprd = (tbm_bufmgr_sprd)tbm_backend_get_bufmgr_priv(bo);
-    SPRD_RETURN_VAL_IF_FAIL (bufmgr_sprd!=NULL, 0);
+       SPRD_RETURN_VAL_IF_FAIL (bo != NULL, 0);
 
-    /* cache flush is managed by kernel side when using dma-fence. */
-    if (bufmgr_sprd->use_dma_fence)
-       return 1;
+       tbm_bo_sprd bo_sprd;
+       tbm_bufmgr_sprd bufmgr_sprd;
 
-    SPRD_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+       bufmgr_sprd = (tbm_bufmgr_sprd)tbm_backend_get_bufmgr_priv(bo);
+       SPRD_RETURN_VAL_IF_FAIL (bufmgr_sprd != NULL, 0);
 
-    tbm_bo_sprd bo_sprd;
+       bo_sprd = (tbm_bo_sprd)tbm_backend_get_bo_priv(bo);
+       SPRD_RETURN_VAL_IF_FAIL (bo_sprd != NULL, 0);
 
-    bo_sprd = (tbm_bo_sprd)tbm_backend_get_bo_priv(bo);
-    SPRD_RETURN_VAL_IF_FAIL (bo_sprd!=NULL, 0);
+       if (!bo_sprd->gem)
+               return 0;
 
-#ifdef USE_CACHE
-    if (!_sprd_cache_flush(bo_sprd->fd, bo_sprd, flags))
-        return 0;
-#endif
+       bo_sprd->map_cnt--;
 
-    return 1;
+       if (bo_sprd->map_cnt == 0)
+               _bo_save_cache_state (bufmgr_sprd, bo_sprd);
+
+       DBG ("[libtbm-sprd:%d] %s gem:%d(%d) \n", getpid(),
+            __FUNCTION__, bo_sprd->gem, bo_sprd->name);
+
+       return 1;
 }
 
 static int
-tbm_sprd_bo_get_global_key (tbm_bo bo)
+tbm_sprd_bo_lock(tbm_bo bo, int device, int opt)
 {
-    SPRD_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+       SPRD_RETURN_VAL_IF_FAIL (bo != NULL, 0);
 
-    tbm_bo_sprd bo_sprd;
+       tbm_bufmgr_sprd bufmgr_sprd;
+       tbm_bo_sprd bo_sprd;
 
-    bo_sprd = (tbm_bo_sprd)tbm_backend_get_bo_priv(bo);
-    SPRD_RETURN_VAL_IF_FAIL (bo_sprd!=NULL, 0);
+       bo_sprd = (tbm_bo_sprd)tbm_backend_get_bo_priv(bo);
+       SPRD_RETURN_VAL_IF_FAIL (bo_sprd != NULL, 0);
 
-    if (!bo_sprd->name)
-    {
-        if (!bo_sprd->gem)
-            return 0;
+       bufmgr_sprd = (tbm_bufmgr_sprd)tbm_backend_get_bufmgr_priv(bo);
+       SPRD_RETURN_VAL_IF_FAIL (bufmgr_sprd != NULL, 0);
 
-        bo_sprd->name = _get_name(bo_sprd->fd, bo_sprd->gem);
-    }
+#if USE_BACKEND_LOCK
+       int ret = 0;
+
+       if (bufmgr_sprd->use_dma_fence) {
+
+               struct dma_buf_fence fence;
+
+               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_CPU)
+                               fence.type = DMA_BUF_ACCESS_WRITE;
+                       else if (device == TBM_DEVICE_3D)
+                               fence.type = DMA_BUF_ACCESS_WRITE | DMA_BUF_ACCESS_DMA;
+                       else {
+                               DBG ("[libtbm-sprd:%d] %s GET_FENCE is ignored(device type is not 3D/CPU),\n",
+                                    getpid(), __FUNCTION__);
+                               return 0;
+                       }
+               } else if (opt & TBM_OPTION_READ) {
+                       if (device == TBM_DEVICE_CPU)
+                               fence.type = DMA_BUF_ACCESS_READ;
+                       else if (device == TBM_DEVICE_3D)
+                               fence.type = DMA_BUF_ACCESS_READ | DMA_BUF_ACCESS_DMA;
+                       else {
+                               DBG ("[libtbm-sprd:%d] %s GET_FENCE is ignored(device type is not 3D/CPU),\n",
+                                    getpid(), __FUNCTION__);
+                               return 0;
+                       }
+               } else {
+                       TBM_SPRD_LOG ("[libtbm-sprd:%d] error %s:%d Invalid argument\n", getpid(),
+                                     __FUNCTION__, __LINE__);
+                       return 0;
+               }
+
+               /* Check if the tbm manager supports dma fence or not. */
+               if (!bufmgr_sprd->use_dma_fence) {
+                       TBM_SPRD_LOG ("[libtbm-sprd:%d] "
+                                     "error %s:%d  Not support DMA FENCE(%s)\n",
+                                     getpid(), __FUNCTION__, __LINE__, strerror(errno) );
+                       return 0;
+
+               }
+
+               ret = ioctl(bo_sprd->dmabuf, DMABUF_IOCTL_GET_FENCE, &fence);
+               if (ret < 0) {
+                       TBM_SPRD_LOG ("[libtbm-sprd:%d] "
+                                     "error %s:%d  Can not set GET FENCE(%s)\n",
+                                     getpid(), __FUNCTION__, __LINE__, strerror(errno) );
+                       return 0;
+               }
+
+               pthread_mutex_lock(&bo_sprd->mutex);
+               int i;
+               for (i = 0; i < DMA_FENCE_LIST_MAX; i++) {
+                       if (bo_sprd->dma_fence[i].ctx == 0) {
+                               bo_sprd->dma_fence[i].type = fence.type;
+                               bo_sprd->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_SPRD_LOG ("[libtbm-sprd:%d] "
+                                     "error %s:%d  fence list is full\n",
+                                     getpid(), __FUNCTION__, __LINE__);
+               }
+               pthread_mutex_unlock(&bo_sprd->mutex);
+
+               DBG ("[libtbm-sprd:%d] %s DMABUF_IOCTL_GET_FENCE! flink_id=%d dmabuf=%d\n",
+                    getpid(),
+                    __FUNCTION__, bo_sprd->name, bo_sprd->dmabuf);
+       } else {
+
+               ret = _tgl_lock(bufmgr_sprd->tgl_fd, bo_sprd->name);
+
+               DBG ("[libtbm-sprd:%d] lock tgl flink_id:%d\n",
+                    getpid(), __FUNCTION__, bo_sprd->name);
+
+               return ret;
+       }
+#endif
 
-    return bo_sprd->name;
+       return 1;
 }
 
 static int
-tbm_sprd_bo_lock(tbm_bo bo, int device, int opt)
+tbm_sprd_bo_unlock(tbm_bo bo)
 {
-    SPRD_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+       SPRD_RETURN_VAL_IF_FAIL (bo != NULL, 0);
 
-#if USE_BACKEND_LOCK
-    tbm_bufmgr_sprd bufmgr_sprd;
-    tbm_bo_sprd bo_sprd;
-    struct dma_buf_fence fence;
-    int ret=0;
-
-    bo_sprd = (tbm_bo_sprd)tbm_backend_get_bo_priv(bo);
-    SPRD_RETURN_VAL_IF_FAIL (bo_sprd!=NULL, 0);
-
-    bufmgr_sprd = (tbm_bufmgr_sprd)tbm_backend_get_bufmgr_priv(bo);
-    SPRD_RETURN_VAL_IF_FAIL (bufmgr_sprd!=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_CPU)
-            fence.type = DMA_BUF_ACCESS_WRITE;
-        else if (device == TBM_DEVICE_3D)
-            fence.type = DMA_BUF_ACCESS_WRITE | DMA_BUF_ACCESS_DMA;
-        else
-        {
-            DBG ("[libtbm-sprd:%d] %s GET_FENCE is ignored(device type is not 3D/CPU),\n", getpid(), __FUNCTION__);
-            return 0;
-        }
-    }
-    else if (opt & TBM_OPTION_READ)
-    {
-        if (device == TBM_DEVICE_CPU)
-            fence.type = DMA_BUF_ACCESS_READ;
-        else if (device == TBM_DEVICE_3D)
-            fence.type = DMA_BUF_ACCESS_READ | DMA_BUF_ACCESS_DMA;
-        else
-        {
-            DBG ("[libtbm-sprd:%d] %s GET_FENCE is ignored(device type is not 3D/CPU),\n", getpid(), __FUNCTION__);
-            return 0;
-        }
-    }
-    else
-    {
-        TBM_SPRD_LOG ("[libtbm-sprd:%d] error %s:%d Invalid argument\n", getpid(), __FUNCTION__, __LINE__);
-        return 0;
-    }
-
-    /* Check if the tbm manager supports dma fence or not. */
-    if (!bufmgr_sprd->use_dma_fence)
-    {
-        TBM_SPRD_LOG ("[libtbm-sprd:%d] "
-                "error %s:%d  Not support DMA FENCE(%s)\n",
-                getpid(), __FUNCTION__, __LINE__, strerror(errno) );
-        return 0;
-
-    }
-
-    ret = ioctl(bo_sprd->dmabuf, DMABUF_IOCTL_GET_FENCE, &fence);
-    if (ret < 0)
-    {
-        TBM_SPRD_LOG ("[libtbm-sprd:%d] "
-                "error %s:%d  Can not set GET FENCE(%s)\n",
-                getpid(), __FUNCTION__, __LINE__, strerror(errno) );
-        return 0;
-    }
-
-    pthread_mutex_lock(&bo_sprd->mutex);
-    int i;
-    for (i = 0; i < DMA_FENCE_LIST_MAX; i++)
-    {
-        if (bo_sprd->dma_fence[i].ctx == 0)
-        {
-            bo_sprd->dma_fence[i].type = fence.type;
-            bo_sprd->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_SPRD_LOG ("[libtbm-sprd:%d] "
-                "error %s:%d  fence list is full\n",
-                getpid(), __FUNCTION__, __LINE__);
-    }
-    pthread_mutex_unlock(&bo_sprd->mutex);
-
-    DBG ("[libtbm-sprd:%d] %s DMABUF_IOCTL_GET_FENCE! flink_id=%d dmabuf=%d\n", getpid(),
-            __FUNCTION__, bo_sprd->name, bo_sprd->dmabuf);
+       tbm_bufmgr_sprd bufmgr_sprd;
+       tbm_bo_sprd bo_sprd;
 
-#endif
-    return 1;
-}
+       bo_sprd = (tbm_bo_sprd)tbm_backend_get_bo_priv(bo);
+       SPRD_RETURN_VAL_IF_FAIL (bo_sprd != NULL, 0);
 
-static int
-tbm_sprd_bo_unlock(tbm_bo bo)
-{
-    SPRD_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+       bufmgr_sprd = (tbm_bufmgr_sprd)tbm_backend_get_bufmgr_priv(bo);
+       SPRD_RETURN_VAL_IF_FAIL (bufmgr_sprd != NULL, 0);
 
 #if USE_BACKEND_LOCK
-    tbm_bo_sprd bo_sprd;
-    struct dma_buf_fence fence;
-    int ret=0;
-
-    bo_sprd = (tbm_bo_sprd)tbm_backend_get_bo_priv(bo);
-    SPRD_RETURN_VAL_IF_FAIL (bo_sprd!=NULL, 0);
-
-    if (!bo_sprd->dma_fence[0].ctx)
-    {
-        DBG ("[libtbm-sprd:%d] %s FENCE not support or ignored,\n", getpid(), __FUNCTION__);
-        return 0;
-    }
-
-    if (!bo_sprd->dma_fence[0].type)
-    {
-        DBG ("[libtbm-sprd:%d] %s device type is not 3D/CPU,\n", getpid(), __FUNCTION__);
-        return 0;
-    }
-
-    pthread_mutex_lock(&bo_sprd->mutex);
-    fence.type = bo_sprd->dma_fence[0].type;
-    fence.ctx = bo_sprd->dma_fence[0].ctx;
-    int i;
-    for (i = 1; i < DMA_FENCE_LIST_MAX; i++)
-    {
-        bo_sprd->dma_fence[i-1].type = bo_sprd->dma_fence[i].type;
-        bo_sprd->dma_fence[i-1].ctx = bo_sprd->dma_fence[i].ctx;
-    }
-    bo_sprd->dma_fence[DMA_FENCE_LIST_MAX-1].type = 0;
-    bo_sprd->dma_fence[DMA_FENCE_LIST_MAX-1].ctx = 0;
-    pthread_mutex_unlock(&bo_sprd->mutex);
-
-    ret = ioctl(bo_sprd->dmabuf, DMABUF_IOCTL_PUT_FENCE, &fence);
-    if (ret < 0)
-    {
-        TBM_SPRD_LOG ("[libtbm-sprd:%d] "
-                "error %s:%d  Can not set PUT FENCE(%s)\n",
-                getpid(), __FUNCTION__, __LINE__, strerror(errno) );
-        return 0;
-    }
-
-    DBG ("[libtbm-sprd:%d] %s DMABUF_IOCTL_PUT_FENCE! flink_id=%d dmabuf=%d\n", getpid(),
-            __FUNCTION__, bo_sprd->name, bo_sprd->dmabuf);
-
+       int ret = 0;
+
+       if (bufmgr_sprd->use_dma_fence) {
+               struct dma_buf_fence fence;
+
+               if (!bo_sprd->dma_fence[0].ctx) {
+                       DBG ("[libtbm-sprd:%d] %s FENCE not support or ignored,\n", getpid(),
+                            __FUNCTION__);
+                       return 0;
+               }
+
+               if (!bo_sprd->dma_fence[0].type) {
+                       DBG ("[libtbm-sprd:%d] %s device type is not 3D/CPU,\n", getpid(),
+                            __FUNCTION__);
+                       return 0;
+               }
+
+               pthread_mutex_lock(&bo_sprd->mutex);
+               fence.type = bo_sprd->dma_fence[0].type;
+               fence.ctx = bo_sprd->dma_fence[0].ctx;
+               int i;
+               for (i = 1; i < DMA_FENCE_LIST_MAX; i++) {
+                       bo_sprd->dma_fence[i - 1].type = bo_sprd->dma_fence[i].type;
+                       bo_sprd->dma_fence[i - 1].ctx = bo_sprd->dma_fence[i].ctx;
+               }
+               bo_sprd->dma_fence[DMA_FENCE_LIST_MAX - 1].type = 0;
+               bo_sprd->dma_fence[DMA_FENCE_LIST_MAX - 1].ctx = 0;
+               pthread_mutex_unlock(&bo_sprd->mutex);
+
+               ret = ioctl(bo_sprd->dmabuf, DMABUF_IOCTL_PUT_FENCE, &fence);
+               if (ret < 0) {
+                       TBM_SPRD_LOG ("[libtbm-sprd:%d] "
+                                     "error %s:%d  Can not set PUT FENCE(%s)\n",
+                                     getpid(), __FUNCTION__, __LINE__, strerror(errno) );
+                       return 0;
+               }
+
+               DBG ("[libtbm-sprd:%d] %s DMABUF_IOCTL_PUT_FENCE! flink_id=%d dmabuf=%d\n",
+                    getpid(),
+                    __FUNCTION__, bo_sprd->name, bo_sprd->dmabuf);
+       } else {
+               ret = _tgl_unlock(bufmgr_sprd->tgl_fd, bo_sprd->name);
+
+               DBG ("[libtbm-sprd:%d] unlock tgl flink_id:%d\n",
+                    getpid(), __FUNCTION__, bo_sprd->name);
+
+               return ret;
+       }
 #endif
-    return 1;
+
+       return 1;
 }
 
 static void
 tbm_sprd_bufmgr_deinit (void *priv)
 {
-    SPRD_RETURN_IF_FAIL (priv!=NULL);
+       SPRD_RETURN_IF_FAIL (priv != NULL);
 
-    tbm_bufmgr_sprd bufmgr_sprd;
+       tbm_bufmgr_sprd bufmgr_sprd;
 
-    bufmgr_sprd = (tbm_bufmgr_sprd)priv;
+       bufmgr_sprd = (tbm_bufmgr_sprd)priv;
 
-    if (bufmgr_sprd->hashBos)
-    {
-        unsigned long key;
-        void *value;
+       if (bufmgr_sprd->hashBos) {
+               unsigned long key;
+               void *value;
 
-        while (drmHashFirst(bufmgr_sprd->hashBos, &key, &value) > 0)
-        {
-            free (value);
-            drmHashDelete (bufmgr_sprd->hashBos, key);
-        }
+               while (drmHashFirst(bufmgr_sprd->hashBos, &key, &value) > 0) {
+                       free (value);
+                       drmHashDelete (bufmgr_sprd->hashBos, key);
+               }
 
-        drmHashDestroy (bufmgr_sprd->hashBos);
-        bufmgr_sprd->hashBos = NULL;
-    }
+               drmHashDestroy (bufmgr_sprd->hashBos);
+               bufmgr_sprd->hashBos = NULL;
+       }
 
-    if (bufmgr_sprd->fd_owner)
-        close (bufmgr_sprd->fd_owner);
+       if (bufmgr_sprd->bind_display)
+               tbm_drm_helper_wl_auth_server_deinit();
 
-    free (bufmgr_sprd);
+       if (tbm_backend_is_display_server())
+               tbm_drm_helper_unset_tbm_master_fd();
+
+       if (bufmgr_sprd->device_name)
+               free(bufmgr_sprd->device_name);
+
+       _bufmgr_deinit_cache_state(bufmgr_sprd);
+
+       close (bufmgr_sprd->fd);
+
+       free (bufmgr_sprd);
 }
 
 int
 tbm_sprd_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_sprd_color_format_list , sizeof(uint32_t)*TBM_COLOR_FORMAT_COUNT );
+       if ( color_formats == NULL ) {
+               return 0;
+       }
+       memcpy( color_formats, tbm_sprd_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;
 
 
-    return 1;
+       return 1;
 }
 
 
 /**
  * @brief get the plane data of the surface.
- * @param[in] surface : the surface
  * @param[in] width : the width of the surface
  * @param[in] height : the height of the surface
  * @param[in] format : the format of the surface
@@ -1246,581 +1626,281 @@ tbm_sprd_surface_supported_format(uint32_t **formats, uint32_t *num)
  * @return 1 if this function succeeds, otherwise 0.
  */
 int
-tbm_sprd_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_sprd_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:
-        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;
-            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:
+       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;
+               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;
 }
-/**
-* @brief get the size of the surface with a format.
-* @param[in] surface : the surface
-* @param[in] width : the width of the surface
-* @param[in] height : the height of the surface
-* @param[in] format : the format of the surface
-* @return size of the surface if this function succeeds, otherwise 0.
-*/
 
 int
-tbm_sprd_surface_get_size(tbm_surface_h surface, int width, int height, tbm_format format)
+tbm_sprd_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:
-        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);
-
-    return ret;
+       SPRD_RETURN_VAL_IF_FAIL (bo != NULL, 0);
 
-}
+       tbm_bo_sprd bo_sprd;
 
-int
-tbm_sprd_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_NV12:
-        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;
-
-        default:
-            num = 0;
-            break;
-    }
-
-    return num;
-}
+       bo_sprd = (tbm_bo_sprd)tbm_backend_get_bo_priv(bo);
+       SPRD_RETURN_VAL_IF_FAIL (bo_sprd != NULL, 0);
 
-tbm_bo_handle
-tbm_sprd_fd_to_handle(tbm_bufmgr bufmgr, tbm_fd fd, int device)
-{
-    SPRD_RETURN_VAL_IF_FAIL (bufmgr!=NULL, (tbm_bo_handle) NULL);
-    SPRD_RETURN_VAL_IF_FAIL (fd > 0, (tbm_bo_handle) NULL);
-
-    tbm_bo_handle bo_handle;
-    memset (&bo_handle, 0x0, sizeof (uint64_t));
-
-    tbm_bufmgr_sprd bufmgr_sprd = (tbm_bufmgr_sprd)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_sprd->fd, DRM_IOCTL_PRIME_FD_TO_HANDLE, &arg))
-        {
-            TBM_SPRD_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_SPRD_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_SPRD_LOG ("error Not supported device:%d\n", device);
-        bo_handle.ptr = (void *) NULL;
-        break;
-    }
-
-    return bo_handle;
+       return bo_sprd->flags_tbm;
 }
 
 int
-tbm_sprd_bo_get_flags (tbm_bo bo)
+tbm_sprd_bufmgr_bind_native_display (tbm_bufmgr bufmgr, void *NativeDisplay)
 {
-    SPRD_RETURN_VAL_IF_FAIL (bo != NULL, 0);
+       tbm_bufmgr_sprd bufmgr_sprd;
 
-    tbm_bo_sprd bo_sprd;
+       bufmgr_sprd = tbm_backend_get_priv_from_bufmgr(bufmgr);
+       SPRD_RETURN_VAL_IF_FAIL(bufmgr_sprd != NULL, 0);
 
-    bo_sprd = (tbm_bo_sprd)tbm_backend_get_bo_priv(bo);
-    SPRD_RETURN_VAL_IF_FAIL (bo_sprd != NULL, 0);
+       if (!tbm_drm_helper_wl_auth_server_init(NativeDisplay, bufmgr_sprd->fd,
+                                          bufmgr_sprd->device_name, 0)) {
+               TBM_SPRD_LOG("[libtbm-sprd:%d] error:Fail to tbm_drm_helper_wl_server_init\n");
+               return 0;
+       }
 
-    return bo_sprd->flags_tbm;
-}
+       bufmgr_sprd->bind_display = NativeDisplay;
 
+       return 1;
+}
 
 MODULEINITPPROTO (init_tbm_bufmgr_priv);
 
-static TBMModuleVersionInfo SprdVersRec =
-{
-    "sprd",
-    "Samsung",
-    TBM_ABI_VERSION,
+static TBMModuleVersionInfo SprdVersRec = {
+       "sprd",
+       "Samsung",
+       TBM_ABI_VERSION,
 };
 
 TBMModuleData tbmModuleData = { &SprdVersRec, init_tbm_bufmgr_priv};
@@ -1828,133 +1908,149 @@ TBMModuleData tbmModuleData = { &SprdVersRec, init_tbm_bufmgr_priv};
 int
 init_tbm_bufmgr_priv (tbm_bufmgr bufmgr, int fd)
 {
-    tbm_bufmgr_sprd bufmgr_sprd;
-    tbm_bufmgr_backend bufmgr_backend;
-
-    if (!bufmgr)
-        return 0;
-
-    bufmgr_sprd = calloc (1, sizeof(struct _tbm_bufmgr_sprd));
-    if (!bufmgr_sprd)
-    {
-        TBM_SPRD_LOG ("[libtbm-sprd:%d] error: Fail to alloc bufmgr_sprd!\n", getpid());
-        return 0;
-    }
-
-    if (fd < 0)
-    {
-        bufmgr_sprd->fd = tbm_bufmgr_get_drm_fd_wayland();
-        bufmgr_sprd->fd_owner = 1;
-    }
-    else
-        bufmgr_sprd->fd = fd;
-
-    if (bufmgr_sprd->fd  < 0)
-    {
-        TBM_SPRD_LOG ("[libtbm-sprd:%d] error: Fail to create drm!\n", getpid());
-        free (bufmgr_sprd);
-        return 0;
-    }
-
-    //Create Hash Table
-    bufmgr_sprd->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_sprd->use_dma_fence = 1;
-
-        close(fp);
-    }
-
-    bufmgr_backend = tbm_backend_alloc();
-    if (!bufmgr_backend)
-    {
-        TBM_SPRD_LOG ("[libtbm-sprd:%d] error: Fail to create drm!\n", getpid());
-
-        if (bufmgr_sprd->fd_owner)
-            close(bufmgr_sprd->fd);
-
-        free (bufmgr_sprd);
-        return 0;
-    }
-
-    bufmgr_backend->priv = (void *)bufmgr_sprd;
-    bufmgr_backend->bufmgr_deinit = tbm_sprd_bufmgr_deinit,
-    bufmgr_backend->bo_size = tbm_sprd_bo_size,
-    bufmgr_backend->bo_alloc = tbm_sprd_bo_alloc,
-    bufmgr_backend->bo_free = tbm_sprd_bo_free,
-    bufmgr_backend->bo_import = tbm_sprd_bo_import,
-    bufmgr_backend->bo_import_fd = tbm_sprd_bo_import_fd,
-    bufmgr_backend->bo_export = tbm_sprd_bo_export,
-    bufmgr_backend->bo_export_fd = tbm_sprd_bo_export_fd,
-    bufmgr_backend->bo_get_handle = tbm_sprd_bo_get_handle,
-    bufmgr_backend->bo_map = tbm_sprd_bo_map,
-    bufmgr_backend->bo_unmap = tbm_sprd_bo_unmap,
-    bufmgr_backend->bo_cache_flush = tbm_sprd_bo_cache_flush,
-    bufmgr_backend->bo_get_global_key = tbm_sprd_bo_get_global_key;
-    bufmgr_backend->surface_get_plane_data = tbm_sprd_surface_get_plane_data;
-    bufmgr_backend->surface_get_size = tbm_sprd_surface_get_size;
-    bufmgr_backend->surface_supported_format = tbm_sprd_surface_supported_format;
-    bufmgr_backend->fd_to_handle = tbm_sprd_fd_to_handle;
-    bufmgr_backend->surface_get_num_bos = tbm_sprd_surface_get_num_bos;
-    bufmgr_backend->bo_get_flags = tbm_sprd_bo_get_flags;
-
-    if (bufmgr_sprd->use_dma_fence)
-    {
-        bufmgr_backend->flags = (TBM_LOCK_CTRL_BACKEND | TBM_CACHE_CTRL_BACKEND);
-        bufmgr_backend->bo_lock = NULL;
-        bufmgr_backend->bo_lock2 = tbm_sprd_bo_lock;
-        bufmgr_backend->bo_unlock = tbm_sprd_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_SPRD_LOG ("[libtbm-sprd:%d] error: Fail to init backend!\n", getpid());
-        tbm_backend_free (bufmgr_backend);
-
-        if (bufmgr_sprd->fd_owner)
-            close(bufmgr_sprd->fd);
-
-        free (bufmgr_sprd);
-        return 0;
-    }
+       tbm_bufmgr_sprd bufmgr_sprd;
+       tbm_bufmgr_backend bufmgr_backend;
+
+       if (!bufmgr)
+               return 0;
+
+       bufmgr_sprd = calloc (1, sizeof(struct _tbm_bufmgr_sprd));
+       if (!bufmgr_sprd) {
+               TBM_SPRD_LOG ("[libtbm-sprd:%d] error: Fail to alloc bufmgr_sprd!\n", getpid());
+               return 0;
+       }
+
+       if (tbm_backend_is_display_server()) {
+               bufmgr_sprd->fd = -1;
+
+               bufmgr_sprd->fd = tbm_drm_helper_get_master_fd();
+               if (bufmgr_sprd->fd < 0)
+                       bufmgr_sprd->fd = _tbm_sprd_open_drm();
+
+               if (bufmgr_sprd->fd < 0) {
+                       TBM_SPRD_LOG ("[libtbm-sprd:%d] error: Fail to create drm!\n", getpid());
+                       free (bufmgr_sprd);
+                       return 0;
+               }
+
+               tbm_drm_helper_set_tbm_master_fd(bufmgr_sprd->fd);
+
+               bufmgr_sprd->device_name = drmGetDeviceNameFromFd(bufmgr_sprd->fd);
+
+               if (!bufmgr_sprd->device_name)
+               {
+                       TBM_SPRD_LOG ("[libtbm-sprd:%d] error: Fail to get device name!\n", getpid());
+                       tbm_drm_helper_unset_tbm_master_fd();
+                       close(bufmgr_sprd->fd);
+                       free (bufmgr_sprd);
+                       return 0;
+               }
+
+       } else {
+               if (!tbm_drm_helper_get_auth_info(&(bufmgr_sprd->fd), &(bufmgr_sprd->device_name), NULL)) {
+                       TBM_SPRD_LOG ("[libtbm-sprd:%d] error: Fail to get auth drm info!\n", getpid());
+                       free (bufmgr_sprd);
+                       return 0;
+               }
+       }
+
+       //Create Hash Table
+       bufmgr_sprd->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_sprd->use_dma_fence = 1;
+
+               close(fp);
+       }
+
+       if (!_bufmgr_init_cache_state(bufmgr_sprd)) {
+               TBM_SPRD_LOG ("[libtbm-sprd:%d] error: init bufmgr cache state failed!\n", getpid());
+
+               if (tbm_backend_is_display_server())
+                       tbm_drm_helper_unset_tbm_master_fd();
+
+               close(bufmgr_sprd->fd);
+
+               free(bufmgr_sprd);
+               return 0;
+       }
+
+       bufmgr_backend = tbm_backend_alloc();
+       if (!bufmgr_backend) {
+               TBM_SPRD_LOG ("[libtbm-sprd:%d] error: Fail to create drm!\n", getpid());
+
+               _bufmgr_deinit_cache_state(bufmgr_sprd);
+
+               if (tbm_backend_is_display_server())
+                       tbm_drm_helper_unset_tbm_master_fd();
+
+               close(bufmgr_sprd->fd);
+
+               free (bufmgr_sprd);
+               return 0;
+       }
+
+       bufmgr_backend->priv = (void *)bufmgr_sprd;
+       bufmgr_backend->bufmgr_deinit = tbm_sprd_bufmgr_deinit;
+       bufmgr_backend->bo_size = tbm_sprd_bo_size;
+       bufmgr_backend->bo_alloc = tbm_sprd_bo_alloc;
+       bufmgr_backend->bo_free = tbm_sprd_bo_free;
+       bufmgr_backend->bo_import = tbm_sprd_bo_import;
+       bufmgr_backend->bo_import_fd = tbm_sprd_bo_import_fd;
+       bufmgr_backend->bo_export = tbm_sprd_bo_export;
+       bufmgr_backend->bo_export_fd = tbm_sprd_bo_export_fd;
+       bufmgr_backend->bo_get_handle = tbm_sprd_bo_get_handle;
+       bufmgr_backend->bo_map = tbm_sprd_bo_map;
+       bufmgr_backend->bo_unmap = tbm_sprd_bo_unmap;
+       bufmgr_backend->surface_get_plane_data = tbm_sprd_surface_get_plane_data;
+       bufmgr_backend->surface_supported_format = tbm_sprd_surface_supported_format;
+       bufmgr_backend->bo_get_flags = tbm_sprd_bo_get_flags;
+       bufmgr_backend->bo_lock = tbm_sprd_bo_lock;
+       bufmgr_backend->bo_unlock = tbm_sprd_bo_unlock;
+       bufmgr_backend->bufmgr_bind_native_display = tbm_sprd_bufmgr_bind_native_display;
+
+       if (!tbm_backend_init (bufmgr, bufmgr_backend)) {
+               TBM_SPRD_LOG ("[libtbm-sprd:%d] error: Fail to init backend!\n", getpid());
+               tbm_backend_free (bufmgr_backend);
+
+               _bufmgr_deinit_cache_state(bufmgr_sprd);
+
+               if (tbm_backend_is_display_server())
+                       tbm_drm_helper_unset_tbm_master_fd();
+
+               close(bufmgr_sprd->fd);
+
+               free (bufmgr_sprd);
+               return 0;
+       }
 
 #ifdef DEBUG
-    {
-        char* env;
-        env = getenv ("TBM_SPRD_DEBUG");
-        if (env)
-        {
-            bDebug = atoi (env);
-            TBM_SPRD_LOG ("TBM_SPRD_DEBUG=%s\n", env);
-        }
-        else
-        {
-            bDebug = 0;
-        }
-    }
+       {
+               char *env;
+               env = getenv ("TBM_SPRD_DEBUG");
+               if (env) {
+                       bDebug = atoi (env);
+                       TBM_SPRD_LOG ("TBM_SPRD_DEBUG=%s\n", env);
+               } else {
+                       bDebug = 0;
+               }
+       }
 #endif
 
-    DBG ("[libtbm-sprd:%d] %s DMABUF FENCE is %s\n", getpid(),
-         __FUNCTION__, bufmgr_sprd->use_dma_fence ? "supported!" : "NOT supported!");
+       DBG ("[libtbm-sprd:%d] %s DMABUF FENCE is %s\n", getpid(),
+            __FUNCTION__, bufmgr_sprd->use_dma_fence ? "supported!" : "NOT supported!");
 
-    DBG ("[libtbm-sprd:%d] %s fd:%d\n", getpid(),
-         __FUNCTION__, bufmgr_sprd->fd);
+       DBG ("[libtbm-sprd:%d] %s fd:%d\n", getpid(),
+            __FUNCTION__, bufmgr_sprd->fd);
 
-    return 1;
+       return 1;
 }