enhance log
[platform/core/uifw/libtdm.git] / src / tdm_display.c
index cad2151..0d6e274 100644 (file)
@@ -40,6 +40,7 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include "tdm.h"
 #include "tdm_backend.h"
 #include "tdm_private.h"
+#include "tdm_helper.h"
 
 #define COUNT_MAX   10
 
@@ -91,1098 +92,1669 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     private_output = private_layer->private_output; \
     private_display = private_output->private_display
 
+#define LAYER_FUNC_ENTRY_VOID_RETURN() \
+    tdm_private_display *private_display; \
+    tdm_private_output *private_output; \
+    tdm_private_layer *private_layer; \
+    tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
+    TDM_RETURN_IF_FAIL(layer != NULL); \
+    private_layer = (tdm_private_layer*)layer; \
+    private_output = private_layer->private_output; \
+    private_display = private_output->private_display
+
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+
+struct type_name {
+       int type;
+       const char *name;
+};
+
+#define type_name_fn(res) \
+const char * res##_str(int type) {                     \
+       unsigned int i;                                 \
+       for (i = 0; i < ARRAY_SIZE(res##_names); i++) { \
+               if (res##_names[i].type == type)        \
+                       return res##_names[i].name;     \
+       }                                               \
+       return "(invalid)";                             \
+}
+
+struct type_name dpms_names[] = {
+       { TDM_OUTPUT_DPMS_ON, "on" },
+       { TDM_OUTPUT_DPMS_STANDBY, "standby" },
+       { TDM_OUTPUT_DPMS_SUSPEND, "suspend" },
+       { TDM_OUTPUT_DPMS_OFF, "off" },
+};
+
+INTERN type_name_fn(dpms)
+
+struct type_name status_names[] = {
+       { TDM_OUTPUT_CONN_STATUS_DISCONNECTED, "disconnected" },
+       { TDM_OUTPUT_CONN_STATUS_CONNECTED, "connected" },
+       { TDM_OUTPUT_CONN_STATUS_MODE_SETTED, "mode_setted" },
+};
+
+INTERN type_name_fn(status)
+
 EXTERN tdm_error
-tdm_display_get_capabilities(tdm_display *dpy, tdm_display_capability *capabilities)
+tdm_display_get_capabilities(tdm_display *dpy,
+                             tdm_display_capability *capabilities)
 {
-    DISPLAY_FUNC_ENTRY();
+       DISPLAY_FUNC_ENTRY();
 
-    TDM_RETURN_VAL_IF_FAIL(capabilities != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(capabilities != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    *capabilities = private_display->capabilities;
+       *capabilities = private_display->capabilities;
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return ret;
+       return ret;
 }
 
 EXTERN tdm_error
-tdm_display_get_pp_capabilities(tdm_display *dpy, tdm_pp_capability *capabilities)
+tdm_display_get_pp_capabilities(tdm_display *dpy,
+                                tdm_pp_capability *capabilities)
 {
-    DISPLAY_FUNC_ENTRY();
+       DISPLAY_FUNC_ENTRY();
 
-    TDM_RETURN_VAL_IF_FAIL(capabilities != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(capabilities != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP))
-    {
-        TDM_ERR("no pp capability");
-        pthread_mutex_unlock(&private_display->lock);
-        return TDM_ERROR_NO_CAPABILITY;
-    }
+       if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP)) {
+               TDM_ERR("no pp capability");
+               _pthread_mutex_unlock(&private_display->lock);
+               return TDM_ERROR_NO_CAPABILITY;
+       }
 
-    *capabilities = private_display->caps_pp.capabilities;
+       *capabilities = private_display->caps_pp.capabilities;
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return ret;
+       return ret;
 }
 
 EXTERN tdm_error
-tdm_display_get_pp_available_formats(tdm_display *dpy, const tbm_format **formats, int *count)
+tdm_display_get_pp_available_formats(tdm_display *dpy,
+                                     const tbm_format **formats, int *count)
 {
-    DISPLAY_FUNC_ENTRY();
+       DISPLAY_FUNC_ENTRY();
 
-    TDM_RETURN_VAL_IF_FAIL(formats != NULL, TDM_ERROR_INVALID_PARAMETER);
-    TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(formats != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP))
-    {
-        TDM_ERR("no pp capability");
-        pthread_mutex_unlock(&private_display->lock);
-        return TDM_ERROR_NO_CAPABILITY;
-    }
+       if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP)) {
+               TDM_ERR("no pp capability");
+               _pthread_mutex_unlock(&private_display->lock);
+               return TDM_ERROR_NO_CAPABILITY;
+       }
 
-    *formats = (const tbm_format*)private_display->caps_pp.formats;
-    *count = private_display->caps_pp.format_count;
+       *formats = (const tbm_format *)private_display->caps_pp.formats;
+       *count = private_display->caps_pp.format_count;
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return ret;
+       return ret;
 }
 
 EXTERN tdm_error
 tdm_display_get_pp_available_size(tdm_display *dpy, int *min_w, int *min_h,
                                   int *max_w, int *max_h, int *preferred_align)
 {
-    DISPLAY_FUNC_ENTRY();
-
-    pthread_mutex_lock(&private_display->lock);
-
-    if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP))
-    {
-        TDM_ERR("no pp capability");
-        pthread_mutex_unlock(&private_display->lock);
-        return TDM_ERROR_NO_CAPABILITY;
-    }
-
-    if (min_w)
-        *min_w = private_display->caps_pp.min_w;
-    if (min_h)
-        *min_h = private_display->caps_pp.min_h;
-    if (max_w)
-        *max_w = private_display->caps_pp.max_w;
-    if (max_h)
-        *max_h = private_display->caps_pp.max_h;
-    if (preferred_align)
-        *preferred_align = private_display->caps_pp.preferred_align;
-
-    pthread_mutex_unlock(&private_display->lock);
-
-    return ret;
+       DISPLAY_FUNC_ENTRY();
+
+       _pthread_mutex_lock(&private_display->lock);
+
+       if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP)) {
+               TDM_ERR("no pp capability");
+               _pthread_mutex_unlock(&private_display->lock);
+               return TDM_ERROR_NO_CAPABILITY;
+       }
+
+       if (min_w)
+               *min_w = private_display->caps_pp.min_w;
+       if (min_h)
+               *min_h = private_display->caps_pp.min_h;
+       if (max_w)
+               *max_w = private_display->caps_pp.max_w;
+       if (max_h)
+               *max_h = private_display->caps_pp.max_h;
+       if (preferred_align)
+               *preferred_align = private_display->caps_pp.preferred_align;
+
+       _pthread_mutex_unlock(&private_display->lock);
+
+       return ret;
 }
 
 EXTERN tdm_error
-tdm_display_get_capture_capabilities(tdm_display *dpy, tdm_capture_capability *capabilities)
+tdm_display_get_capture_capabilities(tdm_display *dpy,
+                                     tdm_capture_capability *capabilities)
 {
-    DISPLAY_FUNC_ENTRY();
+       DISPLAY_FUNC_ENTRY();
 
-    TDM_RETURN_VAL_IF_FAIL(capabilities != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(capabilities != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE))
-    {
-        TDM_ERR("no capture capability");
-        pthread_mutex_unlock(&private_display->lock);
-        return TDM_ERROR_NO_CAPABILITY;
-    }
+       if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE)) {
+               TDM_ERR("no capture capability");
+               _pthread_mutex_unlock(&private_display->lock);
+               return TDM_ERROR_NO_CAPABILITY;
+       }
 
-    *capabilities = private_display->caps_capture.capabilities;
+       *capabilities = private_display->caps_capture.capabilities;
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return ret;
+       return ret;
 }
 
 EXTERN tdm_error
-tdm_display_get_catpure_available_formats(tdm_display *dpy, const tbm_format **formats, int *count)
+tdm_display_get_catpure_available_formats(tdm_display *dpy,
+                const tbm_format **formats, int *count)
 {
-    DISPLAY_FUNC_ENTRY();
+       DISPLAY_FUNC_ENTRY();
 
-    TDM_RETURN_VAL_IF_FAIL(formats != NULL, TDM_ERROR_INVALID_PARAMETER);
-    TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(formats != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE))
-    {
-        TDM_ERR("no capture capability");
-        pthread_mutex_unlock(&private_display->lock);
-        return TDM_ERROR_NO_CAPABILITY;
-    }
+       if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE)) {
+               TDM_ERR("no capture capability");
+               _pthread_mutex_unlock(&private_display->lock);
+               return TDM_ERROR_NO_CAPABILITY;
+       }
 
-    *formats = (const tbm_format*)private_display->caps_capture.formats;
-    *count = private_display->caps_capture.format_count;
+       *formats = (const tbm_format *)private_display->caps_capture.formats;
+       *count = private_display->caps_capture.format_count;
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return ret;
+       return ret;
 }
 
 EXTERN tdm_error
 tdm_display_get_output_count(tdm_display *dpy, int *count)
 {
-    tdm_private_output *private_output = NULL;
+       tdm_private_output *private_output = NULL;
 
-    DISPLAY_FUNC_ENTRY();
+       DISPLAY_FUNC_ENTRY();
 
-    TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    *count = 0;
-    LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link)
-        (*count)++;
+       *count = 0;
+       LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link)
+       (*count)++;
 
-    if (*count == 0)
-    {
-        pthread_mutex_unlock(&private_display->lock);
-        return TDM_ERROR_NONE;
-    }
+       if (*count == 0) {
+               _pthread_mutex_unlock(&private_display->lock);
+               return TDM_ERROR_NONE;
+       }
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return ret;
+       return ret;
 }
 
 
-EXTERN tdm_output*
+EXTERN tdm_output *
 tdm_display_get_output(tdm_display *dpy, int index, tdm_error *error)
 {
-    tdm_private_output *private_output = NULL;
-    int i = 0;
+       tdm_private_output *private_output = NULL;
+       int i = 0;
 
-    DISPLAY_FUNC_ENTRY_ERROR();
+       DISPLAY_FUNC_ENTRY_ERROR();
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    if (error)
-        *error = TDM_ERROR_NONE;
+       if (error)
+               *error = TDM_ERROR_NONE;
 
-    i = 0;
-    LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link)
-    {
-        if (i == index)
-        {
-            pthread_mutex_unlock(&private_display->lock);
-            return private_output;
-        }
-        i++;
-    }
+       i = 0;
+       LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
+               if (i == index) {
+                       _pthread_mutex_unlock(&private_display->lock);
+                       return private_output;
+               }
+               i++;
+       }
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return NULL;
+       return NULL;
 }
 
 EXTERN tdm_error
 tdm_display_get_fd(tdm_display *dpy, int *fd)
 {
-    tdm_func_display *func_display;
-    DISPLAY_FUNC_ENTRY();
+       DISPLAY_FUNC_ENTRY();
 
-    TDM_RETURN_VAL_IF_FAIL(fd != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(fd != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    func_display = &private_display->func_display;
+       if (tdm_thread_is_running())
+               *fd = tdm_thread_get_fd(private_display->private_loop);
+       else
+               *fd = tdm_event_loop_get_fd(private_display);
 
-    if (!func_display->display_get_fd)
-    {
-        pthread_mutex_unlock(&private_display->lock);
-        return TDM_ERROR_NONE;
-    }
+       _pthread_mutex_unlock(&private_display->lock);
 
-    ret = func_display->display_get_fd(private_display->bdata, fd);
-
-    pthread_mutex_unlock(&private_display->lock);
-
-    return ret;
+       return ret;
 }
 
 EXTERN tdm_error
 tdm_display_handle_events(tdm_display *dpy)
 {
-    tdm_func_display *func_display;
-    DISPLAY_FUNC_ENTRY();
+       struct pollfd fds;
+       int fd = -1;
+
+       DISPLAY_FUNC_ENTRY();
+
+       ret = tdm_display_get_fd(dpy, &fd);
+       TDM_RETURN_VAL_IF_FAIL(fd >= 0, ret);
 
-    pthread_mutex_lock(&private_display->lock);
+       fds.events = POLLIN;
+       fds.fd = fd;
+       fds.revents = 0;
 
-    func_display = &private_display->func_display;
+       if (tdm_debug_thread)
+               TDM_INFO("fd(%d) polling in", fd);
 
-    if (!func_display->display_handle_events)
-    {
-        pthread_mutex_unlock(&private_display->lock);
-        return TDM_ERROR_NONE;
-    }
+       while (poll(&fds, 1, -1) < 0) {
+               if (errno == EBUSY)  /* normal case */
+                       continue;
+               else {
+                       TDM_ERR("poll failed: %m");
+                       return TDM_ERROR_OPERATION_FAILED;
+               }
+       }
 
-    ret = func_display->display_handle_events(private_display->bdata);
+       if (tdm_debug_thread)
+               TDM_INFO("fd(%d) polling out", fd);
 
-    pthread_mutex_unlock(&private_display->lock);
+       if (tdm_thread_is_running())
+               ret = tdm_thread_handle_cb(private_display->private_loop);
+       else
+               ret = tdm_event_loop_dispatch(private_display);
 
-    return ret;
+       return ret;
 }
 
-EXTERN tdm_pp*
+EXTERN tdm_pp *
 tdm_display_create_pp(tdm_display *dpy, tdm_error *error)
 {
-    tdm_pp *pp;
+       tdm_pp *pp;
 
-    DISPLAY_FUNC_ENTRY_ERROR();
+       DISPLAY_FUNC_ENTRY_ERROR();
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    pp = (tdm_pp*)tdm_pp_create_internal(private_display, error);
+       pp = (tdm_pp *)tdm_pp_create_internal(private_display, error);
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return pp;
+       return pp;
+}
+
+EXTERN tdm_error
+tdm_output_get_model_info(tdm_output *output, const char **maker,
+                          const char **model, const char **name)
+{
+       OUTPUT_FUNC_ENTRY();
+
+       _pthread_mutex_lock(&private_display->lock);
+
+       if (maker)
+               *maker = private_output->caps.maker;
+       if (model)
+               *model = private_output->caps.model;
+       if (name)
+               *name = private_output->caps.name;
+
+       _pthread_mutex_unlock(&private_display->lock);
+
+       return ret;
 }
 
 EXTERN tdm_error
 tdm_output_get_conn_status(tdm_output *output, tdm_output_conn_status *status)
 {
-    OUTPUT_FUNC_ENTRY();
+       OUTPUT_FUNC_ENTRY();
+
+       TDM_RETURN_VAL_IF_FAIL(status != NULL, TDM_ERROR_INVALID_PARAMETER);
+
+       _pthread_mutex_lock(&private_display->lock);
+
+       *status = private_output->caps.status;
+
+       _pthread_mutex_unlock(&private_display->lock);
+
+       return ret;
+}
+
+INTERN void
+tdm_output_cb_status(tdm_output *output_backend, tdm_output_conn_status status,
+                     void *user_data)
+{
+       tdm_private_display *private_display;
+       tdm_private_output *private_output = user_data;
+       tdm_value value;
+
+       TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
+       TDM_RETURN_IF_FAIL(private_output);
+
+       private_display = private_output->private_display;
+
+       if (!tdm_thread_in_display_thread(syscall(SYS_gettid))) {
+               tdm_thread_cb_output_status output_status;
+               tdm_error ret;
+
+               output_status.base.type = TDM_THREAD_CB_OUTPUT_STATUS;
+               output_status.base.length = sizeof output_status;
+               output_status.output_stamp = private_output->stamp;
+               output_status.status = status;
+               output_status.user_data = user_data;
+
+               value.u32 = status;
+               tdm_output_call_change_handler_internal(private_output,
+                                                       &private_output->change_handler_list_sub,
+                                                       TDM_OUTPUT_CHANGE_CONNECTION,
+                                                       value);
+
+               ret = tdm_thread_send_cb(private_display->private_loop, &output_status.base);
+               TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
+
+               return;
+       }
+
+       value.u32 = status;
+       tdm_output_call_change_handler_internal(private_output,
+                                               &private_output->change_handler_list_main,
+                                               TDM_OUTPUT_CHANGE_CONNECTION,
+                                               value);
+}
+
+EXTERN tdm_error
+tdm_output_add_change_handler(tdm_output *output,
+                              tdm_output_change_handler func,
+                              void *user_data)
+{
+       tdm_private_change_handler *change_handler;
+       OUTPUT_FUNC_ENTRY();
+
+       TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
+
+       pthread_mutex_lock(&private_display->lock);
+
+       if (!private_output->regist_change_cb) {
+               _pthread_mutex_unlock(&private_display->lock);
+               TDM_ERR("not implemented!!");
+               return TDM_ERROR_NOT_IMPLEMENTED;
+       }
+
+       change_handler = calloc(1, sizeof(tdm_private_change_handler));
+       if (!change_handler) {
+               TDM_ERR("failed: alloc memory");
+               _pthread_mutex_unlock(&private_display->lock);
+               return TDM_ERROR_OUT_OF_MEMORY;
+       }
+
+       change_handler->private_output = private_output;
+       change_handler->func = func;
+       change_handler->user_data = user_data;
+       change_handler->owner_tid = syscall(SYS_gettid);
+
+       if (!tdm_thread_in_display_thread(change_handler->owner_tid))
+               LIST_ADD(&change_handler->link, &private_output->change_handler_list_sub);
+       else
+               LIST_ADD(&change_handler->link, &private_output->change_handler_list_main);
+
+       _pthread_mutex_unlock(&private_display->lock);
+
+       return ret;
+}
+
+EXTERN void
+tdm_output_remove_change_handler(tdm_output *output,
+                                 tdm_output_change_handler func,
+                                 void *user_data)
+{
+       tdm_private_display *private_display;
+       tdm_private_output *private_output;
+       tdm_private_change_handler *h = NULL, *hh = NULL;
+
+       TDM_RETURN_IF_FAIL(output != NULL);
+       TDM_RETURN_IF_FAIL(func != NULL);
+
+       private_output = (tdm_private_output*)output;
+       private_display = private_output->private_display;
+
+       _pthread_mutex_lock(&private_display->lock);
+
+       LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list_main, link) {
+               if (h->func != func || h->user_data != user_data)
+                       continue;
 
-    TDM_RETURN_VAL_IF_FAIL(status != NULL, TDM_ERROR_INVALID_PARAMETER);
+               LIST_DEL(&h->link);
+               free(h);
 
-    pthread_mutex_lock(&private_display->lock);
+               _pthread_mutex_unlock(&private_display->lock);
 
-    *status = private_output->caps.status;
+               return;
+       }
 
-    pthread_mutex_unlock(&private_display->lock);
+       LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list_sub, link) {
+               if (h->func != func || h->user_data != user_data)
+                       continue;
 
-    return ret;
+               LIST_DEL(&h->link);
+               free(h);
+
+               _pthread_mutex_unlock(&private_display->lock);
+
+               return;
+       }
+
+       _pthread_mutex_unlock(&private_display->lock);
 }
 
 EXTERN tdm_error
 tdm_output_get_output_type(tdm_output *output, tdm_output_type *type)
 {
-    OUTPUT_FUNC_ENTRY();
+       OUTPUT_FUNC_ENTRY();
 
-    TDM_RETURN_VAL_IF_FAIL(type != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(type != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    *type = private_output->caps.type;
+       *type = private_output->caps.type;
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return ret;
+       return ret;
 }
 
 EXTERN tdm_error
 tdm_output_get_layer_count(tdm_output *output, int *count)
 {
-    tdm_private_layer *private_layer = NULL;
+       tdm_private_layer *private_layer = NULL;
 
-    OUTPUT_FUNC_ENTRY();
+       OUTPUT_FUNC_ENTRY();
 
-    TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    *count = 0;
-    LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link)
-        (*count)++;
-    if (*count == 0)
-    {
-        pthread_mutex_unlock(&private_display->lock);
-        return TDM_ERROR_NONE;
-    }
+       *count = 0;
+       LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link)
+       (*count)++;
+       if (*count == 0) {
+               _pthread_mutex_unlock(&private_display->lock);
+               return TDM_ERROR_NONE;
+       }
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return ret;
+       return ret;
 }
 
 
-EXTERN tdm_layer*
+EXTERN tdm_layer *
 tdm_output_get_layer(tdm_output *output, int index, tdm_error *error)
 {
-    tdm_private_layer *private_layer = NULL;
-    int i = 0;
+       tdm_private_layer *private_layer = NULL;
+       int i = 0;
 
-    OUTPUT_FUNC_ENTRY_ERROR();
+       OUTPUT_FUNC_ENTRY_ERROR();
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    if (error)
-        *error = TDM_ERROR_NONE;
+       if (error)
+               *error = TDM_ERROR_NONE;
 
-    LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link)
-    {
-        if (i == index)
-        {
-            pthread_mutex_unlock(&private_display->lock);
-            return private_layer;
-        }
-        i++;
-    }
+       LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
+               if (i == index) {
+                       _pthread_mutex_unlock(&private_display->lock);
+                       return private_layer;
+               }
+               i++;
+       }
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return NULL;
+       return NULL;
 }
 
 EXTERN tdm_error
-tdm_output_get_available_properties(tdm_output *output, const tdm_prop **props, int *count)
+tdm_output_get_available_properties(tdm_output *output, const tdm_prop **props,
+                                    int *count)
 {
-    OUTPUT_FUNC_ENTRY();
+       OUTPUT_FUNC_ENTRY();
 
-    TDM_RETURN_VAL_IF_FAIL(props != NULL, TDM_ERROR_INVALID_PARAMETER);
-    TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(props != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    *props = (const tdm_prop*)private_output->caps.props;
-    *count = private_output->caps.prop_count;
+       *props = (const tdm_prop *)private_output->caps.props;
+       *count = private_output->caps.prop_count;
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return ret;
+       return ret;
 }
 
 EXTERN tdm_error
-tdm_output_get_available_modes(tdm_output *output, const tdm_output_mode **modes, int *count)
+tdm_output_get_available_modes(tdm_output *output,
+                               const tdm_output_mode **modes, int *count)
 {
-    OUTPUT_FUNC_ENTRY();
+       OUTPUT_FUNC_ENTRY();
 
-    TDM_RETURN_VAL_IF_FAIL(modes != NULL, TDM_ERROR_INVALID_PARAMETER);
-    TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(modes != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    *modes = (const tdm_output_mode*)private_output->caps.modes;
-    *count = private_output->caps.mode_count;
+       *modes = (const tdm_output_mode *)private_output->caps.modes;
+       *count = private_output->caps.mode_count;
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return ret;
+       return ret;
 }
 
 EXTERN tdm_error
 tdm_output_get_available_size(tdm_output *output, int *min_w, int *min_h,
                               int *max_w, int *max_h, int *preferred_align)
 {
-    OUTPUT_FUNC_ENTRY();
+       OUTPUT_FUNC_ENTRY();
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    if (min_w)
-        *min_w = private_output->caps.min_w;
-    if (min_h)
-        *min_h = private_output->caps.min_h;
-    if (max_w)
-        *max_w = private_output->caps.max_w;
-    if (max_h)
-        *max_h = private_output->caps.max_h;
-    if (preferred_align)
-        *preferred_align = private_output->caps.preferred_align;
+       if (min_w)
+               *min_w = private_output->caps.min_w;
+       if (min_h)
+               *min_h = private_output->caps.min_h;
+       if (max_w)
+               *max_w = private_output->caps.max_w;
+       if (max_h)
+               *max_h = private_output->caps.max_h;
+       if (preferred_align)
+               *preferred_align = private_output->caps.preferred_align;
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return ret;
+       return ret;
 }
 
 EXTERN tdm_error
-tdm_output_get_physical_size(tdm_output *output, unsigned int *mmWidth, unsigned int *mmHeight)
+tdm_output_get_physical_size(tdm_output *output, unsigned int *mmWidth,
+                             unsigned int *mmHeight)
 {
-    OUTPUT_FUNC_ENTRY();
+       OUTPUT_FUNC_ENTRY();
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    if (mmWidth)
-        *mmWidth = private_output->caps.mmWidth;
-    if (mmHeight)
-        *mmHeight = private_output->caps.mmHeight;
+       if (mmWidth)
+               *mmWidth = private_output->caps.mmWidth;
+       if (mmHeight)
+               *mmHeight = private_output->caps.mmHeight;
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return ret;
+       return ret;
 }
 
 EXTERN tdm_error
 tdm_output_get_subpixel(tdm_output *output, unsigned int *subpixel)
 {
-    OUTPUT_FUNC_ENTRY();
-    TDM_RETURN_VAL_IF_FAIL(subpixel != NULL, TDM_ERROR_INVALID_PARAMETER);
+       OUTPUT_FUNC_ENTRY();
+       TDM_RETURN_VAL_IF_FAIL(subpixel != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    *subpixel = private_output->caps.subpixel;
+       *subpixel = private_output->caps.subpixel;
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return ret;
+       return ret;
 }
 
 EXTERN tdm_error
 tdm_output_get_pipe(tdm_output *output, unsigned int *pipe)
 {
-    OUTPUT_FUNC_ENTRY();
-    TDM_RETURN_VAL_IF_FAIL(pipe != NULL, TDM_ERROR_INVALID_PARAMETER);
+       OUTPUT_FUNC_ENTRY();
+       TDM_RETURN_VAL_IF_FAIL(pipe != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    *pipe = private_output->pipe;
+       *pipe = private_output->pipe;
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return ret;
+       return ret;
 }
 
 
 EXTERN tdm_error
 tdm_output_set_property(tdm_output *output, unsigned int id, tdm_value value)
 {
-    tdm_func_display *func_display;
-    OUTPUT_FUNC_ENTRY();
+       tdm_func_output *func_output;
+       OUTPUT_FUNC_ENTRY();
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    func_display = &private_display->func_display;
+       func_output = &private_display->func_output;
 
-    if (!func_display->output_set_property)
-    {
-        pthread_mutex_unlock(&private_display->lock);
-        return TDM_ERROR_NONE;
-    }
+       if (!func_output->output_set_property) {
+               _pthread_mutex_unlock(&private_display->lock);
+               TDM_ERR("not implemented!!");
+               return TDM_ERROR_NOT_IMPLEMENTED;
+       }
 
-    ret = func_display->output_set_property(private_output->output_backend, id, value);
+       ret = func_output->output_set_property(private_output->output_backend, id,
+                                              value);
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return ret;
+       return ret;
 }
 
 EXTERN tdm_error
 tdm_output_get_property(tdm_output *output, unsigned int id, tdm_value *value)
 {
-    tdm_func_display *func_display;
-    OUTPUT_FUNC_ENTRY();
+       tdm_func_output *func_output;
+       OUTPUT_FUNC_ENTRY();
 
-    TDM_RETURN_VAL_IF_FAIL(value != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(value != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    func_display = &private_display->func_display;
+       func_output = &private_display->func_output;
 
-    if (!func_display->output_get_property)
-    {
-        pthread_mutex_unlock(&private_display->lock);
-        return TDM_ERROR_NONE;
-    }
+       if (!func_output->output_get_property) {
+               _pthread_mutex_unlock(&private_display->lock);
+               TDM_ERR("not implemented!!");
+               return TDM_ERROR_NOT_IMPLEMENTED;
+       }
 
-    ret = func_display->output_get_property(private_output->output_backend, id, value);
+       ret = func_output->output_get_property(private_output->output_backend, id,
+                                              value);
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return ret;
+       return ret;
 }
 
-static void
-_tdm_output_cb_vblank(tdm_output *output_backend, unsigned int sequence,
-                      unsigned int tv_sec, unsigned int tv_usec, void *user_data)
+INTERN void
+tdm_output_cb_vblank(tdm_output *output_backend, unsigned int sequence,
+                     unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 {
-    tdm_private_vblank_handler *vblank_handler = user_data;
-    tdm_private_display *private_display;
+       tdm_private_vblank_handler *vblank_handler = user_data;
+       tdm_private_display *private_display;
+
+       TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
+       TDM_RETURN_IF_FAIL(vblank_handler);
+
+       private_display = vblank_handler->private_output->private_display;
+
+       if (vblank_handler->owner_tid != syscall(SYS_gettid)) {
+               tdm_thread_cb_output_vblank output_vblank;
+               tdm_error ret;
 
-    TDM_RETURN_IF_FAIL(vblank_handler);
+               output_vblank.base.type = TDM_THREAD_CB_OUTPUT_VBLANK;
+               output_vblank.base.length = sizeof output_vblank;
+               output_vblank.output_stamp = vblank_handler->private_output->stamp;
+               output_vblank.sequence = sequence;
+               output_vblank.tv_sec = tv_sec;
+               output_vblank.tv_usec = tv_usec;
+               output_vblank.user_data = user_data;
 
-    private_display = vblank_handler->private_output->private_display;
+               ret = tdm_thread_send_cb(private_display->private_loop, &output_vblank.base);
+               TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 
-    if (vblank_handler->func)
-    {
-        pthread_mutex_unlock(&private_display->lock);
-        vblank_handler->func(vblank_handler->private_output, sequence,
-                             tv_sec, tv_usec, vblank_handler->user_data);
-        pthread_mutex_lock(&private_display->lock);
-    }
+               return;
+       }
 
-    LIST_DEL(&vblank_handler->link);
-    free(vblank_handler);
+       if (vblank_handler->owner_tid != syscall(SYS_gettid))
+               TDM_NEVER_GET_HERE();
+
+       if (vblank_handler->func) {
+               _pthread_mutex_unlock(&private_display->lock);
+               vblank_handler->func(vblank_handler->private_output, sequence,
+                                    tv_sec, tv_usec, vblank_handler->user_data);
+               _pthread_mutex_lock(&private_display->lock);
+       }
+
+       LIST_DEL(&vblank_handler->link);
+       free(vblank_handler);
 }
 
-static void
-_tdm_output_cb_commit(tdm_output *output_backend, unsigned int sequence,
-                      unsigned int tv_sec, unsigned int tv_usec, void *user_data)
+INTERN void
+tdm_output_cb_commit(tdm_output *output_backend, unsigned int sequence,
+                     unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 {
-    tdm_private_commit_handler *commit_handler = user_data;
-    tdm_private_display *private_display;
-    tdm_private_output *private_output;
-    tdm_private_layer *private_layer = NULL;
-
-    TDM_RETURN_IF_FAIL(commit_handler);
-
-    private_output = commit_handler->private_output;
-    private_display = private_output->private_display;
-
-    if (commit_handler->func)
-    {
-        pthread_mutex_unlock(&private_display->lock);
-        commit_handler->func(private_output, sequence,
-                             tv_sec, tv_usec, commit_handler->user_data);
-        pthread_mutex_lock(&private_display->lock);
-    }
-
-    LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link)
-    {
-        if (!private_layer->waiting_buffer)
-            continue;
-
-        if (private_layer->showing_buffer)
-        {
-            pthread_mutex_unlock(&private_display->lock);
-            tdm_buffer_unref_backend(private_layer->showing_buffer);
-            pthread_mutex_lock(&private_display->lock);
-        }
-
-        private_layer->showing_buffer = private_layer->waiting_buffer;
-        private_layer->waiting_buffer = NULL;
-    }
-
-    LIST_DEL(&commit_handler->link);
-    free(commit_handler);
+       tdm_private_commit_handler *commit_handler = user_data;
+       tdm_private_display *private_display;
+       tdm_private_output *private_output;
+       tdm_private_layer *private_layer = NULL;
+
+       TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
+       TDM_RETURN_IF_FAIL(commit_handler);
+
+       private_output = commit_handler->private_output;
+       private_display = private_output->private_display;
+
+       if (commit_handler->owner_tid != syscall(SYS_gettid)) {
+               tdm_thread_cb_output_commit output_commit;
+               tdm_error ret;
+
+               output_commit.base.type = TDM_THREAD_CB_OUTPUT_COMMIT;
+               output_commit.base.length = sizeof output_commit;
+               output_commit.output_stamp = private_output->stamp;
+               output_commit.sequence = sequence;
+               output_commit.tv_sec = tv_sec;
+               output_commit.tv_usec = tv_usec;
+               output_commit.user_data = user_data;
+
+               ret = tdm_thread_send_cb(private_display->private_loop, &output_commit.base);
+               TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
+
+               return;
+       }
+
+       LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
+               if (!private_layer->waiting_buffer)
+                       continue;
+
+               if (private_layer->showing_buffer) {
+                       _pthread_mutex_unlock(&private_display->lock);
+                       tdm_buffer_unref_backend(private_layer->showing_buffer);
+                       _pthread_mutex_lock(&private_display->lock);
+
+                       if (private_layer->buffer_queue) {
+                               tbm_surface_queue_release(private_layer->buffer_queue,
+                                                         private_layer->showing_buffer);
+                       }
+               }
+
+               private_layer->showing_buffer = private_layer->waiting_buffer;
+               private_layer->waiting_buffer = NULL;
+
+               if (tdm_debug_buffer)
+                       TDM_INFO("layer(%p) waiting_buffer(%p) showing_buffer(%p)",
+                                private_layer, private_layer->waiting_buffer,
+                                private_layer->showing_buffer);
+       }
+
+       if (commit_handler->func) {
+               _pthread_mutex_unlock(&private_display->lock);
+               commit_handler->func(private_output, sequence,
+                                    tv_sec, tv_usec, commit_handler->user_data);
+               _pthread_mutex_lock(&private_display->lock);
+       }
+
+       LIST_DEL(&commit_handler->link);
+       free(commit_handler);
 }
 
 EXTERN tdm_error
 tdm_output_wait_vblank(tdm_output *output, int interval, int sync,
                        tdm_output_vblank_handler func, void *user_data)
 {
-    tdm_func_display *func_display;
-    tdm_private_vblank_handler *vblank_handler;
-    OUTPUT_FUNC_ENTRY();
-
-    pthread_mutex_lock(&private_display->lock);
-
-    func_display = &private_display->func_display;
-
-    if (!func_display->output_wait_vblank)
-    {
-        pthread_mutex_unlock(&private_display->lock);
-        return TDM_ERROR_NONE;
-    }
-
-    vblank_handler = calloc(1, sizeof(tdm_private_vblank_handler));
-    if (!vblank_handler)
-    {
-        TDM_ERR("failed: alloc memory");
-        pthread_mutex_unlock(&private_display->lock);
-        return TDM_ERROR_OUT_OF_MEMORY;
-    }
-
-    LIST_ADD(&vblank_handler->link, &private_output->vblank_handler_list);
-    vblank_handler->private_output = private_output;
-    vblank_handler->func = func;
-    vblank_handler->user_data = user_data;
-
-    ret = func_display->output_wait_vblank(private_output->output_backend, interval,
-                                           sync, vblank_handler);
-    if (ret != TDM_ERROR_NONE)
-    {
-        pthread_mutex_unlock(&private_display->lock);
-        return ret;
-    }
-
-    if (!private_output->regist_vblank_cb)
-    {
-        private_output->regist_vblank_cb = 1;
-        ret = func_display->output_set_vblank_handler(private_output->output_backend,
-                                                      _tdm_output_cb_vblank);
-    }
-
-    pthread_mutex_unlock(&private_display->lock);
-
-    return ret;
+       tdm_func_output *func_output;
+       tdm_private_vblank_handler *vblank_handler;
+       OUTPUT_FUNC_ENTRY();
+
+       _pthread_mutex_lock(&private_display->lock);
+
+       if (private_output->current_dpms_value > TDM_OUTPUT_DPMS_ON) {
+               TDM_ERR("output(%d) dpms: %s", private_output->pipe,
+                       dpms_str(private_output->current_dpms_value));
+               _pthread_mutex_unlock(&private_display->lock);
+               return TDM_ERROR_BAD_REQUEST;
+       }
+
+       func_output = &private_display->func_output;
+
+       if (!func_output->output_wait_vblank) {
+               _pthread_mutex_unlock(&private_display->lock);
+               TDM_ERR("not implemented!!");
+               return TDM_ERROR_NOT_IMPLEMENTED;
+       }
+
+       vblank_handler = calloc(1, sizeof(tdm_private_vblank_handler));
+       if (!vblank_handler) {
+               TDM_ERR("failed: alloc memory");
+               _pthread_mutex_unlock(&private_display->lock);
+               return TDM_ERROR_OUT_OF_MEMORY;
+       }
+
+       LIST_ADD(&vblank_handler->link, &private_output->vblank_handler_list);
+       vblank_handler->private_output = private_output;
+       vblank_handler->func = func;
+       vblank_handler->user_data = user_data;
+       vblank_handler->owner_tid = syscall(SYS_gettid);
+
+       ret = func_output->output_wait_vblank(private_output->output_backend, interval,
+                                             sync, vblank_handler);
+       if (ret != TDM_ERROR_NONE) {
+               _pthread_mutex_unlock(&private_display->lock);
+               return ret;
+       }
+
+       if (!private_output->regist_vblank_cb) {
+               private_output->regist_vblank_cb = 1;
+               ret = func_output->output_set_vblank_handler(private_output->output_backend,
+                               tdm_output_cb_vblank);
+       }
+
+       _pthread_mutex_unlock(&private_display->lock);
+
+       return ret;
+}
+
+static tdm_error
+_tdm_output_commit(tdm_output *output, int sync, tdm_output_commit_handler func,
+                   void *user_data)
+{
+       tdm_func_output *func_output;
+       tdm_private_commit_handler *commit_handler;
+       OUTPUT_FUNC_ENTRY();
+
+       func_output = &private_display->func_output;
+
+       if (!func_output->output_commit) {
+               TDM_ERR("not implemented!!");
+               return TDM_ERROR_NOT_IMPLEMENTED;
+       }
+
+       commit_handler = calloc(1, sizeof(tdm_private_commit_handler));
+       if (!commit_handler) {
+               TDM_ERR("failed: alloc memory");
+               return TDM_ERROR_OUT_OF_MEMORY;
+       }
+
+       LIST_ADD(&commit_handler->link, &private_output->commit_handler_list);
+       commit_handler->private_output = private_output;
+       commit_handler->func = func;
+       commit_handler->user_data = user_data;
+       commit_handler->owner_tid = syscall(SYS_gettid);
+
+       ret = func_output->output_commit(private_output->output_backend, sync,
+                                        commit_handler);
+       TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
+
+       if (!private_output->regist_commit_cb) {
+               private_output->regist_commit_cb = 1;
+               ret = func_output->output_set_commit_handler(private_output->output_backend,
+                               tdm_output_cb_commit);
+       }
+
+       return ret;
 }
 
 EXTERN tdm_error
-tdm_output_commit(tdm_output *output, int sync, tdm_output_commit_handler func, void *user_data)
+tdm_output_commit(tdm_output *output, int sync, tdm_output_commit_handler func,
+                  void *user_data)
 {
-    tdm_func_display *func_display;
-    tdm_private_commit_handler *commit_handler;
-    OUTPUT_FUNC_ENTRY();
-
-    pthread_mutex_lock(&private_display->lock);
-
-    func_display = &private_display->func_display;
-
-    if (!func_display->output_commit)
-    {
-        pthread_mutex_unlock(&private_display->lock);
-        return TDM_ERROR_NONE;
-    }
-
-    commit_handler = calloc(1, sizeof(tdm_private_commit_handler));
-    if (!commit_handler)
-    {
-        TDM_ERR("failed: alloc memory");
-        pthread_mutex_unlock(&private_display->lock);
-        return TDM_ERROR_OUT_OF_MEMORY;
-    }
-
-    LIST_ADD(&commit_handler->link, &private_output->commit_handler_list);
-    commit_handler->private_output = private_output;
-    commit_handler->func = func;
-    commit_handler->user_data = user_data;
-
-    ret = func_display->output_commit(private_output->output_backend, sync, commit_handler);
-    if (ret != TDM_ERROR_NONE)
-    {
-        pthread_mutex_unlock(&private_display->lock);
-        return ret;
-    }
-
-    if (!private_output->regist_commit_cb)
-    {
-        private_output->regist_commit_cb = 1;
-        ret = func_display->output_set_commit_handler(private_output->output_backend,
-                                                      _tdm_output_cb_commit);
-    }
-
-    pthread_mutex_unlock(&private_display->lock);
-
-    return ret;
+       OUTPUT_FUNC_ENTRY();
+
+       _pthread_mutex_lock(&private_display->lock);
+
+       if (private_output->current_dpms_value > TDM_OUTPUT_DPMS_ON) {
+               TDM_ERR("output(%d) dpms: %s", private_output->pipe,
+                       dpms_str(private_output->current_dpms_value));
+               _pthread_mutex_unlock(&private_display->lock);
+               return TDM_ERROR_BAD_REQUEST;
+       }
+
+       ret = _tdm_output_commit(output, sync, func, user_data);
+
+       _pthread_mutex_unlock(&private_display->lock);
+
+       return ret;
 }
 
 EXTERN tdm_error
 tdm_output_set_mode(tdm_output *output, const tdm_output_mode *mode)
 {
-    tdm_func_display *func_display;
-    OUTPUT_FUNC_ENTRY();
+       tdm_func_output *func_output;
+       OUTPUT_FUNC_ENTRY();
 
-    TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    func_display = &private_display->func_display;
+       func_output = &private_display->func_output;
 
-    if (!func_display->output_set_mode)
-    {
-        pthread_mutex_unlock(&private_display->lock);
-        return TDM_ERROR_NONE;
-    }
+       if (!func_output->output_set_mode) {
+               _pthread_mutex_unlock(&private_display->lock);
+               TDM_ERR("not implemented!!");
+               return TDM_ERROR_NOT_IMPLEMENTED;
+       }
 
-    ret = func_display->output_set_mode(private_output->output_backend, mode);
+       ret = func_output->output_set_mode(private_output->output_backend, mode);
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return ret;
+       return ret;
 }
 
 EXTERN tdm_error
 tdm_output_get_mode(tdm_output *output, const tdm_output_mode **mode)
 {
-    tdm_func_display *func_display;
-    OUTPUT_FUNC_ENTRY();
+       tdm_func_output *func_output;
+       OUTPUT_FUNC_ENTRY();
 
-    TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    func_display = &private_display->func_display;
+       func_output = &private_display->func_output;
 
-    if (!func_display->output_get_mode)
-    {
-        pthread_mutex_unlock(&private_display->lock);
-        return TDM_ERROR_NONE;
-    }
+       if (!func_output->output_get_mode) {
+               _pthread_mutex_unlock(&private_display->lock);
+               TDM_ERR("not implemented!!");
+               return TDM_ERROR_NOT_IMPLEMENTED;
+       }
 
-    ret = func_display->output_get_mode(private_output->output_backend, mode);
+       ret = func_output->output_get_mode(private_output->output_backend, mode);
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return ret;
+       return ret;
 }
 
 EXTERN tdm_error
 tdm_output_set_dpms(tdm_output *output, tdm_output_dpms dpms_value)
 {
-    tdm_func_display *func_display;
-    OUTPUT_FUNC_ENTRY();
+       tdm_func_output *func_output;
+       OUTPUT_FUNC_ENTRY();
+
+       if (dpms_value < TDM_OUTPUT_DPMS_ON)
+               dpms_value = TDM_OUTPUT_DPMS_ON;
+       else if (dpms_value > TDM_OUTPUT_DPMS_OFF)
+               dpms_value = TDM_OUTPUT_DPMS_OFF;
+
+       _pthread_mutex_lock(&private_display->lock);
+
+       if (private_output->current_dpms_value == dpms_value) {
+               _pthread_mutex_unlock(&private_display->lock);
+               return TDM_ERROR_NONE;
+       }
 
-    if (dpms_value < TDM_OUTPUT_DPMS_ON)
-        dpms_value = TDM_OUTPUT_DPMS_ON;
-    else if (dpms_value > TDM_OUTPUT_DPMS_OFF)
-        dpms_value = TDM_OUTPUT_DPMS_OFF;
+       func_output = &private_display->func_output;
 
-    pthread_mutex_lock(&private_display->lock);
+       if (!func_output->output_set_dpms) {
+               _pthread_mutex_unlock(&private_display->lock);
+               private_output->current_dpms_value = dpms_value;
+               TDM_WRN("not implemented!!");
+               return TDM_ERROR_NONE;
+       }
 
-    func_display = &private_display->func_display;
+       ret = func_output->output_set_dpms(private_output->output_backend, dpms_value);
+       if (ret == TDM_ERROR_NONE) {
+               tdm_value value;
 
-    if (!func_display->output_set_dpms)
-    {
-        pthread_mutex_unlock(&private_display->lock);
-        return TDM_ERROR_NONE;
-    }
+               private_output->current_dpms_value = dpms_value;
 
-    ret = func_display->output_set_dpms(private_output->output_backend, dpms_value);
+               value.u32 = dpms_value;
+               tdm_output_call_change_handler_internal(private_output,
+                                                       &private_output->change_handler_list_main,
+                                                       TDM_OUTPUT_CHANGE_DPMS,
+                                                       value);
+       }
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return ret;
+       return ret;
 }
 
 EXTERN tdm_error
 tdm_output_get_dpms(tdm_output *output, tdm_output_dpms *dpms_value)
 {
-    tdm_func_display *func_display;
-    OUTPUT_FUNC_ENTRY();
+       tdm_func_output *func_output;
+       OUTPUT_FUNC_ENTRY();
 
-    TDM_RETURN_VAL_IF_FAIL(dpms_value != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(dpms_value != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    func_display = &private_display->func_display;
+       func_output = &private_display->func_output;
 
-    if (!func_display->output_get_dpms)
-    {
-        pthread_mutex_unlock(&private_display->lock);
-        return TDM_ERROR_NONE;
-    }
+       if (!func_output->output_get_dpms) {
+               *dpms_value = private_output->current_dpms_value;
+               _pthread_mutex_unlock(&private_display->lock);
+               TDM_WRN("not implemented!!");
+               return TDM_ERROR_NONE;
+       }
 
-    ret = func_display->output_get_dpms(private_output->output_backend, dpms_value);
+       ret = func_output->output_get_dpms(private_output->output_backend, dpms_value);
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return ret;
+       return ret;
 }
 
-EXTERN tdm_capture*
+EXTERN tdm_capture *
 tdm_output_create_capture(tdm_output *output, tdm_error *error)
 {
-    tdm_capture *capture = NULL;
+       tdm_capture *capture = NULL;
 
-    OUTPUT_FUNC_ENTRY_ERROR();
+       OUTPUT_FUNC_ENTRY_ERROR();
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    capture = (tdm_capture*)tdm_capture_create_output_internal(private_output, error);
+       capture = (tdm_capture *)tdm_capture_create_output_internal(private_output,
+                       error);
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return capture;
+       return capture;
+}
+
+INTERN void
+tdm_output_call_change_handler_internal(tdm_private_output *private_output,
+                                        struct list_head *change_handler_list,
+                                        tdm_output_change_type type,
+                                        tdm_value value)
+{
+       tdm_private_display *private_display;
+       tdm_private_change_handler *change_handler;
+
+       TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
+       TDM_RETURN_IF_FAIL(private_output);
+
+       private_display = private_output->private_display;
+       if (!tdm_thread_in_display_thread(syscall(SYS_gettid))) {
+               if (type & TDM_OUTPUT_CHANGE_CONNECTION)
+                       TDM_INFO("output(%d) changed: %s (%d)",
+                                private_output->pipe, status_str(value.u32), value.u32);
+               if (type & TDM_OUTPUT_CHANGE_DPMS)
+                       TDM_INFO("output(%d) changed: dpms %s (%d)",
+                                private_output->pipe, dpms_str(value.u32), value.u32);
+       }
+
+       if (LIST_IS_EMPTY(change_handler_list))
+               return;
+
+       LIST_FOR_EACH_ENTRY(change_handler, change_handler_list, link) {
+               if (change_handler->owner_tid != syscall(SYS_gettid))
+                       TDM_NEVER_GET_HERE();
+
+               _pthread_mutex_unlock(&private_display->lock);
+               change_handler->func(private_output, type,
+                                    value, change_handler->user_data);
+               _pthread_mutex_lock(&private_display->lock);
+       }
 }
 
 EXTERN tdm_error
 tdm_layer_get_capabilities(tdm_layer *layer, tdm_layer_capability *capabilities)
 {
-    LAYER_FUNC_ENTRY();
+       LAYER_FUNC_ENTRY();
 
-    TDM_RETURN_VAL_IF_FAIL(capabilities != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(capabilities != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    *capabilities = private_layer->caps.capabilities;
+       *capabilities = private_layer->caps.capabilities;
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return ret;
+       return ret;
 }
 
 EXTERN tdm_error
-tdm_layer_get_available_formats(tdm_layer *layer, const tbm_format **formats, int *count)
+tdm_layer_get_available_formats(tdm_layer *layer, const tbm_format **formats,
+                                int *count)
 {
-    LAYER_FUNC_ENTRY();
+       LAYER_FUNC_ENTRY();
 
-    TDM_RETURN_VAL_IF_FAIL(formats != NULL, TDM_ERROR_INVALID_PARAMETER);
-    TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(formats != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    *formats = (const tbm_format*)private_layer->caps.formats;
-    *count = private_layer->caps.format_count;
+       *formats = (const tbm_format *)private_layer->caps.formats;
+       *count = private_layer->caps.format_count;
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return ret;
+       return ret;
 }
 
 EXTERN tdm_error
-tdm_layer_get_available_properties(tdm_layer *layer, const tdm_prop **props, int *count)
+tdm_layer_get_available_properties(tdm_layer *layer, const tdm_prop **props,
+                                   int *count)
 {
-    LAYER_FUNC_ENTRY();
+       LAYER_FUNC_ENTRY();
 
-    TDM_RETURN_VAL_IF_FAIL(props != NULL, TDM_ERROR_INVALID_PARAMETER);
-    TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(props != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    *props = (const tdm_prop*)private_layer->caps.props;
-    *count = private_layer->caps.prop_count;
+       *props = (const tdm_prop *)private_layer->caps.props;
+       *count = private_layer->caps.prop_count;
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return ret;
+       return ret;
 }
 
 EXTERN tdm_error
 tdm_layer_get_zpos(tdm_layer *layer, unsigned int *zpos)
 {
-    LAYER_FUNC_ENTRY();
+       LAYER_FUNC_ENTRY();
 
-    TDM_RETURN_VAL_IF_FAIL(zpos != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(zpos != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    *zpos = private_layer->caps.zpos;
+       *zpos = private_layer->caps.zpos;
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return ret;
+       return ret;
 }
 
 EXTERN tdm_error
 tdm_layer_set_property(tdm_layer *layer, unsigned int id, tdm_value value)
 {
-    tdm_func_display *func_display;
-    LAYER_FUNC_ENTRY();
+       tdm_func_layer *func_layer;
+       LAYER_FUNC_ENTRY();
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    func_display = &private_display->func_display;
+       func_layer = &private_display->func_layer;
 
-    if (!func_display->layer_set_property)
-    {
-        pthread_mutex_unlock(&private_display->lock);
-        return TDM_ERROR_NONE;
-    }
+       if (!func_layer->layer_set_property) {
+               _pthread_mutex_unlock(&private_display->lock);
+               TDM_ERR("not implemented!!");
+               return TDM_ERROR_NOT_IMPLEMENTED;
+       }
 
-    ret = func_display->layer_set_property(private_layer->layer_backend, id, value);
+       ret = func_layer->layer_set_property(private_layer->layer_backend, id, value);
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return ret;
+       return ret;
 }
 
 EXTERN tdm_error
 tdm_layer_get_property(tdm_layer *layer, unsigned int id, tdm_value *value)
 {
-    tdm_func_display *func_display;
-    LAYER_FUNC_ENTRY();
+       tdm_func_layer *func_layer;
+       LAYER_FUNC_ENTRY();
 
-    TDM_RETURN_VAL_IF_FAIL(value != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(value != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    func_display = &private_display->func_display;
+       func_layer = &private_display->func_layer;
 
-    if (!func_display->layer_get_property)
-    {
-        pthread_mutex_unlock(&private_display->lock);
-        return TDM_ERROR_NONE;
-    }
+       if (!func_layer->layer_get_property) {
+               _pthread_mutex_unlock(&private_display->lock);
+               TDM_ERR("not implemented!!");
+               return TDM_ERROR_NOT_IMPLEMENTED;
+       }
 
-    ret = func_display->layer_get_property(private_layer->layer_backend, id, value);
+       ret = func_layer->layer_get_property(private_layer->layer_backend, id, value);
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return ret;
+       return ret;
 }
 
 EXTERN tdm_error
 tdm_layer_set_info(tdm_layer *layer, tdm_info_layer *info)
 {
-    tdm_func_display *func_display;
-    LAYER_FUNC_ENTRY();
+       tdm_func_layer *func_layer;
+       LAYER_FUNC_ENTRY();
 
-    TDM_RETURN_VAL_IF_FAIL(info != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(info != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    func_display = &private_display->func_display;
+       func_layer = &private_display->func_layer;
 
-    private_layer->usable = 0;
+       private_layer->usable = 0;
 
-    if (!func_display->layer_set_info)
-    {
-        pthread_mutex_unlock(&private_display->lock);
-        return TDM_ERROR_NONE;
-    }
+       if (!func_layer->layer_set_info) {
+               _pthread_mutex_unlock(&private_display->lock);
+               TDM_ERR("not implemented!!");
+               return TDM_ERROR_NOT_IMPLEMENTED;
+       }
 
-    ret = func_display->layer_set_info(private_layer->layer_backend, info);
+       TDM_INFO("layer(%p) info: src(%dx%d %d,%d %dx%d %c%c%c%c) dst(%d,%d %dx%d) trans(%d)",
+                private_layer, info->src_config.size.h, info->src_config.size.v,
+                info->src_config.pos.x, info->src_config.pos.y,
+                info->src_config.pos.w, info->src_config.pos.h,
+                FOURCC_STR(info->src_config.format),
+                info->dst_pos.x, info->dst_pos.y,
+                info->dst_pos.w, info->dst_pos.h,
+                info->transform);
 
-    pthread_mutex_unlock(&private_display->lock);
+       ret = func_layer->layer_set_info(private_layer->layer_backend, info);
+       TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 
-    return ret;
+       _pthread_mutex_unlock(&private_display->lock);
+
+       return ret;
 }
 
 EXTERN tdm_error
 tdm_layer_get_info(tdm_layer *layer, tdm_info_layer *info)
 {
-    tdm_func_display *func_display;
-    LAYER_FUNC_ENTRY();
+       tdm_func_layer *func_layer;
+       LAYER_FUNC_ENTRY();
 
-    TDM_RETURN_VAL_IF_FAIL(info != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(info != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    func_display = &private_display->func_display;
+       func_layer = &private_display->func_layer;
 
-    if (!func_display->layer_get_info)
-    {
-        pthread_mutex_unlock(&private_display->lock);
-        return TDM_ERROR_NONE;
-    }
+       if (!func_layer->layer_get_info) {
+               _pthread_mutex_unlock(&private_display->lock);
+               TDM_ERR("not implemented!!");
+               return TDM_ERROR_NOT_IMPLEMENTED;
+       }
 
-    ret = func_display->layer_get_info(private_layer->layer_backend, info);
+       ret = func_layer->layer_get_info(private_layer->layer_backend, info);
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return ret;
+       return ret;
+}
+
+static void
+_tdm_layer_dump_buffer(tdm_layer *layer, tbm_surface_h buffer)
+{
+       tdm_private_layer *private_layer = (tdm_private_layer*)layer;
+       tdm_private_output *private_output = private_layer->private_output;
+       char *path = NULL;
+       int count;
+       unsigned int pipe;
+       int zpos;
+       char fullpath[PATH_MAX];
+       tbm_surface_info_s info;
+       tbm_surface_error_e err;
+
+       path = tdm_helper_get_dump_path();
+       if (!path)
+               return;
+
+       count = tdm_helper_get_dump_count();
+       if (count <= 0)
+               return;
+
+       err = tbm_surface_map(buffer, TBM_SURF_OPTION_READ, &info);
+       TDM_RETURN_IF_FAIL(err == TBM_SURFACE_ERROR_NONE);
+
+       pipe = private_output->pipe;
+       zpos = private_layer->caps.zpos;
+
+       if (info.format == TBM_FORMAT_ARGB8888 || info.format == TBM_FORMAT_XRGB8888)
+               snprintf(fullpath, sizeof(fullpath), "%s/%03d_out_%d_lyr_%d.png",
+                       path, count, pipe, zpos);
+       else
+               snprintf(fullpath, sizeof(fullpath), "%s/%03d_out_%d_lyr_%d_%dx%d_%c%c%c%c.yuv",
+                       path, count, pipe, zpos, info.planes[0].stride, info.height, FOURCC_STR(info.format));
+
+       tbm_surface_unmap(buffer);
+
+       tdm_helper_dump_buffer(buffer, fullpath);
+       TDM_DBG("%d, %s dump excute", count, fullpath);
+
+       return;
 }
 
 EXTERN tdm_error
 tdm_layer_set_buffer(tdm_layer *layer, tbm_surface_h buffer)
 {
-    tdm_func_display *func_display;
-    LAYER_FUNC_ENTRY();
+       tdm_func_layer *func_layer;
+
+       LAYER_FUNC_ENTRY();
+
+       TDM_RETURN_VAL_IF_FAIL(buffer != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-    TDM_RETURN_VAL_IF_FAIL(buffer != NULL, TDM_ERROR_INVALID_PARAMETER);
+       _pthread_mutex_lock(&private_display->lock);
 
-    pthread_mutex_lock(&private_display->lock);
+       func_layer = &private_display->func_layer;
 
-    func_display = &private_display->func_display;
+       private_layer->usable = 0;
 
-    private_layer->usable = 0;
+       if (!func_layer->layer_set_buffer) {
+               _pthread_mutex_unlock(&private_display->lock);
+               TDM_ERR("not implemented!!");
+               return TDM_ERROR_NOT_IMPLEMENTED;
+       }
 
-    if (!func_display->layer_set_buffer)
-    {
-        pthread_mutex_unlock(&private_display->lock);
-        return TDM_ERROR_NONE;
-    }
+       ret = func_layer->layer_set_buffer(private_layer->layer_backend, buffer);
+       TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 
-    if (private_layer->waiting_buffer)
-    {
-        pthread_mutex_unlock(&private_display->lock);
-        tdm_buffer_unref_backend(private_layer->waiting_buffer);
-        pthread_mutex_lock(&private_display->lock);
-    }
+       /* dump buffer */
+       if (tdm_dump_enable)
+               _tdm_layer_dump_buffer(layer, buffer);
 
-    private_layer->waiting_buffer = tdm_buffer_ref_backend(buffer);
+       if (ret == TDM_ERROR_NONE) {
+               /* FIXME: should save to pending_buffer first. And after committing
+                * successfully, need to move to waiting_buffer.
+                */
+               if (private_layer->waiting_buffer) {
+                       _pthread_mutex_unlock(&private_display->lock);
+                       tdm_buffer_unref_backend(private_layer->waiting_buffer);
+                       _pthread_mutex_lock(&private_display->lock);
+               }
 
-    ret = func_display->layer_set_buffer(private_layer->layer_backend, buffer);
+               private_layer->waiting_buffer = tdm_buffer_ref_backend(buffer);
+               if (tdm_debug_buffer)
+                       TDM_INFO("layer(%p) waiting_buffer(%p)",
+                                private_layer, private_layer->waiting_buffer);
+       }
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return ret;
+       return ret;
 }
 
 EXTERN tdm_error
 tdm_layer_unset_buffer(tdm_layer *layer)
 {
-    tdm_func_display *func_display;
-    LAYER_FUNC_ENTRY();
+       tdm_func_layer *func_layer;
+       LAYER_FUNC_ENTRY();
+
+       _pthread_mutex_lock(&private_display->lock);
+
+       func_layer = &private_display->func_layer;
+
+       if (private_layer->waiting_buffer) {
+               _pthread_mutex_unlock(&private_display->lock);
+               tdm_buffer_unref_backend(private_layer->waiting_buffer);
+               _pthread_mutex_lock(&private_display->lock);
+               private_layer->waiting_buffer = NULL;
+
+               if (tdm_debug_buffer)
+                       TDM_INFO("layer(%p) waiting_buffer(%p)",
+                                private_layer, private_layer->waiting_buffer);
+       }
+
+       if (private_layer->showing_buffer) {
+               _pthread_mutex_unlock(&private_display->lock);
+               tdm_buffer_unref_backend(private_layer->showing_buffer);
+               _pthread_mutex_lock(&private_display->lock);
+               private_layer->showing_buffer = NULL;
+
+               if (tdm_debug_buffer)
+                       TDM_INFO("layer(%p) showing_buffer(%p)",
+                                private_layer, private_layer->showing_buffer);
+       }
+
+       private_layer->usable = 1;
+
+       if (!func_layer->layer_unset_buffer) {
+               _pthread_mutex_unlock(&private_display->lock);
+               TDM_ERR("not implemented!!");
+               return TDM_ERROR_NOT_IMPLEMENTED;
+       }
+
+       ret = func_layer->layer_unset_buffer(private_layer->layer_backend);
+       TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    func_display = &private_display->func_display;
+       return ret;
+}
 
-    if (private_layer->waiting_buffer)
-    {
-        pthread_mutex_unlock(&private_display->lock);
-        tdm_buffer_unref_backend(private_layer->waiting_buffer);
-        pthread_mutex_lock(&private_display->lock);
-        private_layer->waiting_buffer = NULL;
-    }
+static void
+_tbm_layer_queue_acquirable_cb(tbm_surface_queue_h surface_queue, void *data)
+{
+       TDM_RETURN_IF_FAIL(data != NULL);
+       tdm_layer *layer = data;
+       tdm_func_layer *func_layer;
+       tbm_surface_h surface = NULL;
+       LAYER_FUNC_ENTRY_VOID_RETURN();
+
+       _pthread_mutex_lock(&private_display->lock);
+
+       func_layer = &private_display->func_layer;
+       if (!func_layer->layer_set_buffer) {
+               _pthread_mutex_unlock(&private_display->lock);
+               return;
+       }
+
+       if (TBM_SURFACE_QUEUE_ERROR_NONE != tbm_surface_queue_acquire(
+                   private_layer->buffer_queue, &surface) ||
+           surface == NULL) {
+               TDM_ERR("layer(%p) tbm_surface_queue_acquire() failed surface:%p",
+                       private_layer, surface);
+               _pthread_mutex_unlock(&private_display->lock);
+               return;
+       }
+
+       ret = func_layer->layer_set_buffer(private_layer->layer_backend, surface);
+       TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
+
+       if (ret == TDM_ERROR_NONE) {
+               if (private_layer->waiting_buffer) {
+                       _pthread_mutex_unlock(&private_display->lock);
+                       tdm_buffer_unref_backend(private_layer->waiting_buffer);
+                       tbm_surface_queue_release(private_layer->buffer_queue,
+                                                 private_layer->waiting_buffer);
+                       _pthread_mutex_lock(&private_display->lock);
+               }
+
+               private_layer->waiting_buffer = tdm_buffer_ref_backend(surface);
+
+               if (tdm_debug_buffer)
+                       TDM_INFO("layer(%p) waiting_buffer(%p)",
+                                private_layer, private_layer->waiting_buffer);
+
+               ret = _tdm_output_commit(private_layer->private_output, 0, NULL, NULL);
+               if (ret != TDM_ERROR_NONE)
+                       TDM_ERR("layer(%p) _tdm_output_commit() is fail", private_layer);
+       }
+
+       _pthread_mutex_unlock(&private_display->lock);
+}
 
-    if (private_layer->showing_buffer)
-    {
-        pthread_mutex_unlock(&private_display->lock);
-        tdm_buffer_unref_backend(private_layer->showing_buffer);
-        pthread_mutex_lock(&private_display->lock);
-        private_layer->showing_buffer = NULL;
-    }
+static void
+_tbm_layer_queue_destroy_cb(tbm_surface_queue_h surface_queue, void *data)
+{
+       TDM_RETURN_IF_FAIL(data != NULL);
+       tdm_layer *layer = data;
+       LAYER_FUNC_ENTRY_VOID_RETURN();
+       TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 
-    private_layer->usable = 1;
+       _pthread_mutex_lock(&private_display->lock);
 
-    if (!func_display->layer_unset_buffer)
-    {
-        pthread_mutex_unlock(&private_display->lock);
-        return TDM_ERROR_NONE;
-    }
+       if (private_layer->waiting_buffer) {
+               _pthread_mutex_unlock(&private_display->lock);
+               tdm_buffer_unref_backend(private_layer->waiting_buffer);
+               tbm_surface_queue_release(private_layer->buffer_queue,
+                                         private_layer->waiting_buffer);
+               _pthread_mutex_lock(&private_display->lock);
+       }
 
-    ret = func_display->layer_unset_buffer(private_layer->layer_backend);
+       private_layer->buffer_queue = NULL;
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
+}
 
-    return ret;
+EXTERN tdm_error
+tdm_layer_set_buffer_queue(tdm_layer *layer, tbm_surface_queue_h buffer_queue)
+{
+       tdm_func_layer *func_layer;
+       LAYER_FUNC_ENTRY();
+
+       TDM_RETURN_VAL_IF_FAIL(buffer_queue != NULL, TDM_ERROR_INVALID_PARAMETER);
+
+       _pthread_mutex_lock(&private_display->lock);
+
+       func_layer = &private_display->func_layer;
+
+       private_layer->usable = 0;
+
+       if (!func_layer->layer_set_buffer) {
+               _pthread_mutex_unlock(&private_display->lock);
+               TDM_ERR("not implemented!!");
+               return TDM_ERROR_NOT_IMPLEMENTED;
+       }
+
+       if (buffer_queue == private_layer->buffer_queue) {
+               _pthread_mutex_unlock(&private_display->lock);
+               return TDM_ERROR_NONE;
+       }
+
+       if (private_layer->waiting_buffer) {
+               _pthread_mutex_unlock(&private_display->lock);
+               tdm_buffer_unref_backend(private_layer->waiting_buffer);
+               tbm_surface_queue_release(private_layer->buffer_queue,
+                                         private_layer->waiting_buffer);
+               private_layer->waiting_buffer = NULL;
+               _pthread_mutex_lock(&private_display->lock);
+
+               if (tdm_debug_buffer)
+                       TDM_INFO("layer(%p) waiting_buffer(%p)",
+                                private_layer, private_layer->waiting_buffer);
+       }
+
+       private_layer->buffer_queue = buffer_queue;
+       tbm_surface_queue_add_acquirable_cb(private_layer->buffer_queue,
+                                           _tbm_layer_queue_acquirable_cb,
+                                           layer);
+       tbm_surface_queue_add_destroy_cb(private_layer->buffer_queue,
+                                        _tbm_layer_queue_destroy_cb,
+                                        layer);
+       _pthread_mutex_unlock(&private_display->lock);
+
+       return ret;
+}
+
+EXTERN tdm_error
+tdm_layer_unset_buffer_queue(tdm_layer *layer)
+{
+       tdm_func_layer *func_layer;
+       LAYER_FUNC_ENTRY();
+
+       _pthread_mutex_lock(&private_display->lock);
+
+       func_layer = &private_display->func_layer;
+
+       if (private_layer->waiting_buffer) {
+               _pthread_mutex_unlock(&private_display->lock);
+               tdm_buffer_unref_backend(private_layer->waiting_buffer);
+               tbm_surface_queue_release(private_layer->buffer_queue,
+                                         private_layer->waiting_buffer);
+               private_layer->waiting_buffer = NULL;
+               _pthread_mutex_lock(&private_display->lock);
+
+               if (tdm_debug_buffer)
+                       TDM_INFO("layer(%p) waiting_buffer(%p)",
+                                private_layer, private_layer->waiting_buffer);
+       }
+
+       if (private_layer->showing_buffer) {
+               _pthread_mutex_unlock(&private_display->lock);
+               tdm_buffer_unref_backend(private_layer->showing_buffer);
+               tbm_surface_queue_release(private_layer->buffer_queue,
+                                         private_layer->showing_buffer);
+               _pthread_mutex_lock(&private_display->lock);
+               private_layer->showing_buffer = NULL;
+
+               if (tdm_debug_buffer)
+                       TDM_INFO("layer(%p) showing_buffer(%p)",
+                                private_layer, private_layer->showing_buffer);
+       }
+
+       tbm_surface_queue_remove_acquirable_cb(private_layer->buffer_queue, _tbm_layer_queue_acquirable_cb, layer);
+       tbm_surface_queue_remove_destroy_cb(private_layer->buffer_queue, _tbm_layer_queue_destroy_cb, layer);
+       private_layer->buffer_queue = NULL;
+       private_layer->usable = 1;
+
+       if (!func_layer->layer_unset_buffer) {
+               _pthread_mutex_unlock(&private_display->lock);
+               TDM_ERR("not implemented!!");
+               return TDM_ERROR_NOT_IMPLEMENTED;
+       }
+
+       ret = func_layer->layer_unset_buffer(private_layer->layer_backend);
+
+       _pthread_mutex_unlock(&private_display->lock);
+
+       return ret;
 }
 
 EXTERN tdm_error
 tdm_layer_is_usable(tdm_layer *layer, unsigned int *usable)
 {
-    LAYER_FUNC_ENTRY();
+       LAYER_FUNC_ENTRY();
 
-    TDM_RETURN_VAL_IF_FAIL(usable != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(usable != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    *usable = private_layer->usable;
+       *usable = private_layer->usable;
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return ret;
+       return ret;
 }
 
 EXTERN tdm_error
 tdm_layer_set_video_pos(tdm_layer *layer, int zpos)
 {
-    tdm_func_display *func_display;
-    LAYER_FUNC_ENTRY();
+       tdm_func_layer *func_layer;
+       LAYER_FUNC_ENTRY();
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    func_display = &private_display->func_display;
+       func_layer = &private_display->func_layer;
 
-    if (!(private_layer->caps.capabilities & TDM_LAYER_CAPABILITY_VIDEO))
-    {
-        TDM_ERR("layer is not video layer");
-        pthread_mutex_unlock(&private_display->lock);
-        return TDM_ERROR_INVALID_PARAMETER;
-    }
+       if (!(private_layer->caps.capabilities & TDM_LAYER_CAPABILITY_VIDEO)) {
+               TDM_ERR("layer(%p) is not video layer", private_layer);
+               _pthread_mutex_unlock(&private_display->lock);
+               return TDM_ERROR_INVALID_PARAMETER;
+       }
 
-    if (!func_display->layer_set_video_pos)
-    {
-        pthread_mutex_unlock(&private_display->lock);
-        return TDM_ERROR_NONE;
-    }
+       if (!func_layer->layer_set_video_pos) {
+               _pthread_mutex_unlock(&private_display->lock);
+               TDM_ERR("not implemented!!");
+               return TDM_ERROR_NOT_IMPLEMENTED;
+       }
 
-    ret = func_display->layer_set_video_pos(private_layer->layer_backend, zpos);
+       ret = func_layer->layer_set_video_pos(private_layer->layer_backend, zpos);
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return ret;
+       return ret;
 }
 
-EXTERN tdm_capture*
+EXTERN tdm_capture *
 tdm_layer_create_capture(tdm_layer *layer, tdm_error *error)
 {
-    tdm_capture *capture = NULL;
+       tdm_capture *capture = NULL;
 
-    LAYER_FUNC_ENTRY_ERROR();
+       LAYER_FUNC_ENTRY_ERROR();
 
-    pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-    capture = (tdm_capture*)tdm_capture_create_layer_internal(private_layer, error);
+       capture = (tdm_capture *)tdm_capture_create_layer_internal(private_layer,
+                       error);
 
-    pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-    return capture;
+       return capture;
 }