enhance log
[platform/core/uifw/libtdm.git] / src / tdm_display.c
index 479f805..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
 
@@ -101,6 +102,40 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     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)
@@ -109,11 +144,11 @@ tdm_display_get_capabilities(tdm_display *dpy,
 
        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;
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
@@ -126,17 +161,17 @@ tdm_display_get_pp_capabilities(tdm_display *dpy,
 
        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);
+               _pthread_mutex_unlock(&private_display->lock);
                return TDM_ERROR_NO_CAPABILITY;
        }
 
        *capabilities = private_display->caps_pp.capabilities;
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
@@ -150,18 +185,18 @@ tdm_display_get_pp_available_formats(tdm_display *dpy,
        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);
+               _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;
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
@@ -172,11 +207,11 @@ tdm_display_get_pp_available_size(tdm_display *dpy, int *min_w, int *min_h,
 {
        DISPLAY_FUNC_ENTRY();
 
-       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);
+               _pthread_mutex_unlock(&private_display->lock);
                return TDM_ERROR_NO_CAPABILITY;
        }
 
@@ -191,7 +226,7 @@ tdm_display_get_pp_available_size(tdm_display *dpy, int *min_w, int *min_h,
        if (preferred_align)
                *preferred_align = private_display->caps_pp.preferred_align;
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
@@ -204,17 +239,17 @@ tdm_display_get_capture_capabilities(tdm_display *dpy,
 
        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);
+               _pthread_mutex_unlock(&private_display->lock);
                return TDM_ERROR_NO_CAPABILITY;
        }
 
        *capabilities = private_display->caps_capture.capabilities;
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
@@ -228,18 +263,18 @@ tdm_display_get_catpure_available_formats(tdm_display *dpy,
        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);
+               _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;
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
@@ -253,18 +288,18 @@ tdm_display_get_output_count(tdm_display *dpy, int *count)
 
        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)++;
 
        if (*count == 0) {
-               pthread_mutex_unlock(&private_display->lock);
+               _pthread_mutex_unlock(&private_display->lock);
                return TDM_ERROR_NONE;
        }
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
@@ -278,7 +313,7 @@ tdm_display_get_output(tdm_display *dpy, int index, tdm_error *error)
 
        DISPLAY_FUNC_ENTRY_ERROR();
 
-       pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
        if (error)
                *error = TDM_ERROR_NONE;
@@ -286,13 +321,13 @@ tdm_display_get_output(tdm_display *dpy, int index, tdm_error *error)
        i = 0;
        LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
                if (i == index) {
-                       pthread_mutex_unlock(&private_display->lock);
+                       _pthread_mutex_unlock(&private_display->lock);
                        return private_output;
                }
                i++;
        }
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return NULL;
 }
@@ -300,23 +335,18 @@ tdm_display_get_output(tdm_display *dpy, int index, tdm_error *error)
 EXTERN tdm_error
 tdm_display_get_fd(tdm_display *dpy, int *fd)
 {
-       tdm_func_display *func_display;
        DISPLAY_FUNC_ENTRY();
 
        TDM_RETURN_VAL_IF_FAIL(fd != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-       pthread_mutex_lock(&private_display->lock);
-
-       func_display = &private_display->func_display;
+       _pthread_mutex_lock(&private_display->lock);
 
-       if (!func_display->display_get_fd) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
-       }
+       if (tdm_thread_is_running())
+               *fd = tdm_thread_get_fd(private_display->private_loop);
+       else
+               *fd = tdm_event_loop_get_fd(private_display);
 
-       ret = func_display->display_get_fd(private_display->bdata, fd);
-
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
@@ -324,21 +354,37 @@ tdm_display_get_fd(tdm_display *dpy, int *fd)
 EXTERN tdm_error
 tdm_display_handle_events(tdm_display *dpy)
 {
-       tdm_func_display *func_display;
+       struct pollfd fds;
+       int fd = -1;
+
        DISPLAY_FUNC_ENTRY();
 
-       pthread_mutex_lock(&private_display->lock);
+       ret = tdm_display_get_fd(dpy, &fd);
+       TDM_RETURN_VAL_IF_FAIL(fd >= 0, ret);
 
-       func_display = &private_display->func_display;
+       fds.events = POLLIN;
+       fds.fd = fd;
+       fds.revents = 0;
 
-       if (!func_display->display_handle_events) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
+       if (tdm_debug_thread)
+               TDM_INFO("fd(%d) polling in", fd);
+
+       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;
 }
@@ -350,11 +396,11 @@ tdm_display_create_pp(tdm_display *dpy, tdm_error *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);
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return pp;
 }
@@ -365,7 +411,7 @@ tdm_output_get_model_info(tdm_output *output, const char **maker,
 {
        OUTPUT_FUNC_ENTRY();
 
-       pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
        if (maker)
                *maker = private_output->caps.maker;
@@ -374,7 +420,7 @@ tdm_output_get_model_info(tdm_output *output, const char **maker,
        if (name)
                *name = private_output->caps.name;
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
@@ -386,15 +432,141 @@ tdm_output_get_conn_status(tdm_output *output, tdm_output_conn_status *status)
 
        TDM_RETURN_VAL_IF_FAIL(status != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-       pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
        *status = private_output->caps.status;
 
-       pthread_mutex_unlock(&private_display->lock);
+       _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;
+
+               LIST_DEL(&h->link);
+               free(h);
+
+               _pthread_mutex_unlock(&private_display->lock);
+
+               return;
+       }
+
+       LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list_sub, link) {
+               if (h->func != func || h->user_data != user_data)
+                       continue;
+
+               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)
 {
@@ -402,11 +574,11 @@ tdm_output_get_output_type(tdm_output *output, tdm_output_type *type)
 
        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;
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
@@ -420,17 +592,17 @@ tdm_output_get_layer_count(tdm_output *output, int *count)
 
        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);
+               _pthread_mutex_unlock(&private_display->lock);
                return TDM_ERROR_NONE;
        }
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
@@ -444,20 +616,20 @@ tdm_output_get_layer(tdm_output *output, int index, tdm_error *error)
 
        OUTPUT_FUNC_ENTRY_ERROR();
 
-       pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
        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);
+                       _pthread_mutex_unlock(&private_display->lock);
                        return private_layer;
                }
                i++;
        }
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return NULL;
 }
@@ -471,12 +643,12 @@ tdm_output_get_available_properties(tdm_output *output, const tdm_prop **props,
        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;
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
@@ -490,12 +662,12 @@ tdm_output_get_available_modes(tdm_output *output,
        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;
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
@@ -506,7 +678,7 @@ tdm_output_get_available_size(tdm_output *output, int *min_w, int *min_h,
 {
        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;
@@ -519,7 +691,7 @@ tdm_output_get_available_size(tdm_output *output, int *min_w, int *min_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;
 }
@@ -530,14 +702,14 @@ tdm_output_get_physical_size(tdm_output *output, unsigned int *mmWidth,
 {
        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;
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
@@ -548,11 +720,11 @@ tdm_output_get_subpixel(tdm_output *output, unsigned int *subpixel)
        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;
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
@@ -563,11 +735,11 @@ tdm_output_get_pipe(tdm_output *output, unsigned int *pipe)
        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;
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
@@ -579,19 +751,20 @@ tdm_output_set_property(tdm_output *output, unsigned int id, tdm_value value)
        tdm_func_output *func_output;
        OUTPUT_FUNC_ENTRY();
 
-       pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
        func_output = &private_display->func_output;
 
        if (!func_output->output_set_property) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
+               _pthread_mutex_unlock(&private_display->lock);
+               TDM_ERR("not implemented!!");
+               return TDM_ERROR_NOT_IMPLEMENTED;
        }
 
        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;
 }
@@ -604,85 +777,130 @@ tdm_output_get_property(tdm_output *output, unsigned int id, tdm_value *value)
 
        TDM_RETURN_VAL_IF_FAIL(value != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-       pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
        func_output = &private_display->func_output;
 
        if (!func_output->output_get_property) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
+               _pthread_mutex_unlock(&private_display->lock);
+               TDM_ERR("not implemented!!");
+               return TDM_ERROR_NOT_IMPLEMENTED;
        }
 
        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;
 }
 
-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_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;
+
+               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;
+
+               ret = tdm_thread_send_cb(private_display->private_loop, &output_vblank.base);
+               TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
+
+               return;
+       }
+
+       if (vblank_handler->owner_tid != syscall(SYS_gettid))
+               TDM_NEVER_GET_HERE();
+
        if (vblank_handler->func) {
-               pthread_mutex_unlock(&private_display->lock);
+               _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);
+               _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(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);
+                       _pthread_mutex_unlock(&private_display->lock);
                        tdm_buffer_unref_backend(private_layer->showing_buffer);
-                       pthread_mutex_lock(&private_display->lock);
+                       _pthread_mutex_lock(&private_display->lock);
 
                        if (private_layer->buffer_queue) {
-                               pthread_mutex_unlock(&private_display->lock);
                                tbm_surface_queue_release(private_layer->buffer_queue,
                                                          private_layer->showing_buffer);
-                               pthread_mutex_lock(&private_display->lock);
                        }
                }
 
                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);
+               _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);
+               _pthread_mutex_lock(&private_display->lock);
        }
 
        LIST_DEL(&commit_handler->link);
@@ -697,19 +915,27 @@ tdm_output_wait_vblank(tdm_output *output, int interval, int sync,
        tdm_private_vblank_handler *vblank_handler;
        OUTPUT_FUNC_ENTRY();
 
-       pthread_mutex_lock(&private_display->lock);
+       _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);
-               return TDM_ERROR_NONE;
+               _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);
+               _pthread_mutex_unlock(&private_display->lock);
                return TDM_ERROR_OUT_OF_MEMORY;
        }
 
@@ -717,21 +943,22 @@ tdm_output_wait_vblank(tdm_output *output, int interval, int sync,
        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);
+               _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);
+                               tdm_output_cb_vblank);
        }
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
@@ -747,7 +974,8 @@ _tdm_output_commit(tdm_output *output, int sync, tdm_output_commit_handler func,
        func_output = &private_display->func_output;
 
        if (!func_output->output_commit) {
-               return TDM_ERROR_NONE;
+               TDM_ERR("not implemented!!");
+               return TDM_ERROR_NOT_IMPLEMENTED;
        }
 
        commit_handler = calloc(1, sizeof(tdm_private_commit_handler));
@@ -760,17 +988,16 @@ _tdm_output_commit(tdm_output *output, int sync, tdm_output_commit_handler func,
        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);
-       if (ret != TDM_ERROR_NONE) {
-               return ret;
-       }
+       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);
+                               tdm_output_cb_commit);
        }
 
        return ret;
@@ -782,11 +1009,18 @@ tdm_output_commit(tdm_output *output, int sync, tdm_output_commit_handler func,
 {
        OUTPUT_FUNC_ENTRY();
 
-       pthread_mutex_lock(&private_display->lock);
+       _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);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
@@ -799,18 +1033,19 @@ tdm_output_set_mode(tdm_output *output, const tdm_output_mode *mode)
 
        TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-       pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
        func_output = &private_display->func_output;
 
        if (!func_output->output_set_mode) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
+               _pthread_mutex_unlock(&private_display->lock);
+               TDM_ERR("not implemented!!");
+               return TDM_ERROR_NOT_IMPLEMENTED;
        }
 
        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;
 }
@@ -823,18 +1058,19 @@ tdm_output_get_mode(tdm_output *output, const tdm_output_mode **mode)
 
        TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-       pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
        func_output = &private_display->func_output;
 
        if (!func_output->output_get_mode) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
+               _pthread_mutex_unlock(&private_display->lock);
+               TDM_ERR("not implemented!!");
+               return TDM_ERROR_NOT_IMPLEMENTED;
        }
 
        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;
 }
@@ -850,18 +1086,36 @@ tdm_output_set_dpms(tdm_output *output, tdm_output_dpms dpms_value)
        else if (dpms_value > TDM_OUTPUT_DPMS_OFF)
                dpms_value = TDM_OUTPUT_DPMS_OFF;
 
-       pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
+
+       if (private_output->current_dpms_value == dpms_value) {
+               _pthread_mutex_unlock(&private_display->lock);
+               return TDM_ERROR_NONE;
+       }
 
        func_output = &private_display->func_output;
 
        if (!func_output->output_set_dpms) {
-               pthread_mutex_unlock(&private_display->lock);
+               _pthread_mutex_unlock(&private_display->lock);
+               private_output->current_dpms_value = dpms_value;
+               TDM_WRN("not implemented!!");
                return TDM_ERROR_NONE;
        }
 
        ret = func_output->output_set_dpms(private_output->output_backend, dpms_value);
+       if (ret == TDM_ERROR_NONE) {
+               tdm_value value;
 
-       pthread_mutex_unlock(&private_display->lock);
+               private_output->current_dpms_value = 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);
 
        return ret;
 }
@@ -874,18 +1128,20 @@ tdm_output_get_dpms(tdm_output *output, tdm_output_dpms *dpms_value)
 
        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_output = &private_display->func_output;
 
        if (!func_output->output_get_dpms) {
-               pthread_mutex_unlock(&private_display->lock);
+               *dpms_value = private_output->current_dpms_value;
+               _pthread_mutex_unlock(&private_display->lock);
+               TDM_WRN("not implemented!!");
                return TDM_ERROR_NONE;
        }
 
        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;
 }
@@ -897,16 +1153,52 @@ tdm_output_create_capture(tdm_output *output, tdm_error *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);
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        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)
 {
@@ -914,11 +1206,11 @@ tdm_layer_get_capabilities(tdm_layer *layer, tdm_layer_capability *capabilities)
 
        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;
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
@@ -932,12 +1224,12 @@ tdm_layer_get_available_formats(tdm_layer *layer, const tbm_format **formats,
        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;
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
@@ -951,12 +1243,12 @@ tdm_layer_get_available_properties(tdm_layer *layer, const tdm_prop **props,
        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;
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
@@ -968,11 +1260,11 @@ tdm_layer_get_zpos(tdm_layer *layer, unsigned int *zpos)
 
        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;
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
@@ -983,18 +1275,19 @@ tdm_layer_set_property(tdm_layer *layer, unsigned int id, tdm_value value)
        tdm_func_layer *func_layer;
        LAYER_FUNC_ENTRY();
 
-       pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
        func_layer = &private_display->func_layer;
 
        if (!func_layer->layer_set_property) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
+               _pthread_mutex_unlock(&private_display->lock);
+               TDM_ERR("not implemented!!");
+               return TDM_ERROR_NOT_IMPLEMENTED;
        }
 
        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;
 }
@@ -1007,18 +1300,19 @@ tdm_layer_get_property(tdm_layer *layer, unsigned int id, tdm_value *value)
 
        TDM_RETURN_VAL_IF_FAIL(value != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-       pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
        func_layer = &private_display->func_layer;
 
        if (!func_layer->layer_get_property) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
+               _pthread_mutex_unlock(&private_display->lock);
+               TDM_ERR("not implemented!!");
+               return TDM_ERROR_NOT_IMPLEMENTED;
        }
 
        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;
 }
@@ -1031,19 +1325,20 @@ tdm_layer_set_info(tdm_layer *layer, tdm_info_layer *info)
 
        TDM_RETURN_VAL_IF_FAIL(info != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-       pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
        func_layer = &private_display->func_layer;
 
        private_layer->usable = 0;
 
        if (!func_layer->layer_set_info) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
+               _pthread_mutex_unlock(&private_display->lock);
+               TDM_ERR("not implemented!!");
+               return TDM_ERROR_NOT_IMPLEMENTED;
        }
 
-       TDM_INFO("layer info: src(%dx%d %d,%d %dx%d %c%c%c%c) dst(%d,%d %dx%d) trans(%d)",
-                info->src_config.size.h, info->src_config.size.v,
+       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),
@@ -1052,8 +1347,9 @@ tdm_layer_set_info(tdm_layer *layer, tdm_info_layer *info)
                 info->transform);
 
        ret = func_layer->layer_set_info(private_layer->layer_backend, info);
+       TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
@@ -1066,52 +1362,110 @@ tdm_layer_get_info(tdm_layer *layer, tdm_info_layer *info)
 
        TDM_RETURN_VAL_IF_FAIL(info != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-       pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
        func_layer = &private_display->func_layer;
 
        if (!func_layer->layer_get_info) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
+               _pthread_mutex_unlock(&private_display->lock);
+               TDM_ERR("not implemented!!");
+               return TDM_ERROR_NOT_IMPLEMENTED;
        }
 
        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;
 }
 
+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_layer *func_layer;
+
        LAYER_FUNC_ENTRY();
 
        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;
 
        private_layer->usable = 0;
 
        if (!func_layer->layer_set_buffer) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
+               _pthread_mutex_unlock(&private_display->lock);
+               TDM_ERR("not implemented!!");
+               return TDM_ERROR_NOT_IMPLEMENTED;
        }
 
-       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 = tdm_buffer_ref_backend(buffer);
-
        ret = func_layer->layer_set_buffer(private_layer->layer_backend, buffer);
+       TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
+
+       /* dump buffer */
+       if (tdm_dump_enable)
+               _tdm_layer_dump_buffer(layer, 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);
+               }
 
-       pthread_mutex_unlock(&private_display->lock);
+               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);
 
        return ret;
 }
@@ -1122,34 +1476,44 @@ tdm_layer_unset_buffer(tdm_layer *layer)
        tdm_func_layer *func_layer;
        LAYER_FUNC_ENTRY();
 
-       pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
        func_layer = &private_display->func_layer;
 
        if (private_layer->waiting_buffer) {
-               pthread_mutex_unlock(&private_display->lock);
+               _pthread_mutex_unlock(&private_display->lock);
                tdm_buffer_unref_backend(private_layer->waiting_buffer);
-               pthread_mutex_lock(&private_display->lock);
+               _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);
+               _pthread_mutex_unlock(&private_display->lock);
                tdm_buffer_unref_backend(private_layer->showing_buffer);
-               pthread_mutex_lock(&private_display->lock);
+               _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);
-               return TDM_ERROR_NONE;
+               _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_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
@@ -1163,39 +1527,47 @@ _tbm_layer_queue_acquirable_cb(tbm_surface_queue_h surface_queue, void *data)
        tbm_surface_h surface = NULL;
        LAYER_FUNC_ENTRY_VOID_RETURN();
 
-       pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
        func_layer = &private_display->func_layer;
        if (!func_layer->layer_set_buffer) {
-               pthread_mutex_unlock(&private_display->lock);
+               _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("tbm_surface_queue_acquire() failed surface:%p", surface);
-               pthread_mutex_unlock(&private_display->lock);
+               TDM_ERR("layer(%p) tbm_surface_queue_acquire() failed surface:%p",
+                       private_layer, surface);
+               _pthread_mutex_unlock(&private_display->lock);
                return;
        }
 
-       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_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);
+               private_layer->waiting_buffer = tdm_buffer_ref_backend(surface);
 
-       func_layer->layer_set_buffer(private_layer->layer_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("_tdm_output_commit() is fail");
+               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);
+       _pthread_mutex_unlock(&private_display->lock);
 }
 
 static void
@@ -1206,19 +1578,19 @@ _tbm_layer_queue_destroy_cb(tbm_surface_queue_h surface_queue, void *data)
        LAYER_FUNC_ENTRY_VOID_RETURN();
        TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 
-       pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
        if (private_layer->waiting_buffer) {
-               pthread_mutex_unlock(&private_display->lock);
+               _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);
+               _pthread_mutex_lock(&private_display->lock);
        }
 
        private_layer->buffer_queue = NULL;
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 }
 
 EXTERN tdm_error
@@ -1229,39 +1601,44 @@ tdm_layer_set_buffer_queue(tdm_layer *layer, tbm_surface_queue_h buffer_queue)
 
        TDM_RETURN_VAL_IF_FAIL(buffer_queue != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-       pthread_mutex_lock(&private_display->lock);
+       _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);
-               return TDM_ERROR_NONE;
+               _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);
+               _pthread_mutex_unlock(&private_display->lock);
                return TDM_ERROR_NONE;
        }
 
        if (private_layer->waiting_buffer) {
-               pthread_mutex_unlock(&private_display->lock);
+               _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);
+               _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_set_acquirable_cb(private_layer->buffer_queue,
+       tbm_surface_queue_add_acquirable_cb(private_layer->buffer_queue,
                                            _tbm_layer_queue_acquirable_cb,
                                            layer);
-       tbm_surface_queue_set_destroy_cb(private_layer->buffer_queue,
+       tbm_surface_queue_add_destroy_cb(private_layer->buffer_queue,
                                         _tbm_layer_queue_destroy_cb,
                                         layer);
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
@@ -1272,41 +1649,50 @@ tdm_layer_unset_buffer_queue(tdm_layer *layer)
        tdm_func_layer *func_layer;
        LAYER_FUNC_ENTRY();
 
-       pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
        func_layer = &private_display->func_layer;
 
        if (private_layer->waiting_buffer) {
-               pthread_mutex_unlock(&private_display->lock);
+               _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);
+               _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);
+               _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);
+               _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_set_acquirable_cb(private_layer->buffer_queue, NULL, NULL);
-       tbm_surface_queue_set_destroy_cb(private_layer->buffer_queue, NULL, NULL);
+       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);
-               return TDM_ERROR_NONE;
+               _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);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
@@ -1318,11 +1704,11 @@ tdm_layer_is_usable(tdm_layer *layer, unsigned int *usable)
 
        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;
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
@@ -1333,24 +1719,25 @@ tdm_layer_set_video_pos(tdm_layer *layer, int zpos)
        tdm_func_layer *func_layer;
        LAYER_FUNC_ENTRY();
 
-       pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
        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);
+               TDM_ERR("layer(%p) is not video layer", private_layer);
+               _pthread_mutex_unlock(&private_display->lock);
                return TDM_ERROR_INVALID_PARAMETER;
        }
 
        if (!func_layer->layer_set_video_pos) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
+               _pthread_mutex_unlock(&private_display->lock);
+               TDM_ERR("not implemented!!");
+               return TDM_ERROR_NOT_IMPLEMENTED;
        }
 
        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;
 }
@@ -1362,12 +1749,12 @@ tdm_layer_create_capture(tdm_layer *layer, tdm_error *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);
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return capture;
 }