src/tdm_output.c

   1 /**************************************************************************
   2  *
   3  * libtdm
   4  *
   5  * Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
   6  *
   7  * Contact: Eunchul Kim <chulspro.kim@samsung.com>,
   8  *          JinYoung Jeon <jy0.jeon@samsung.com>,
   9  *          Taeheon Kim <th908.kim@samsung.com>,
  10  *          YoungJun Cho <yj44.cho@samsung.com>,
  11  *          SooChan Lim <sc1.lim@samsung.com>,
  12  *          Boram Park <boram1288.park@samsung.com>
  13  *
  14  * Permission is hereby granted, free of charge, to any person obtaining a
  15  * copy of this software and associated documentation files (the
  16  * "Software"), to deal in the Software without restriction, including
  17  * without limitation the rights to use, copy, modify, merge, publish,
  18  * distribute, sub license, and/or sell copies of the Software, and to
  19  * permit persons to whom the Software is furnished to do so, subject to
  20  * the following conditions:
  21  *
  22  * The above copyright notice and this permission notice (including the
  23  * next paragraph) shall be included in all copies or substantial portions
  24  * of the Software.
  25  *
  26  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  27  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  28  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  29  * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
  30  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  31  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  32  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  33  *
  34 **************************************************************************/
  35
  36 #ifdef HAVE_CONFIG_H
  37 #include "config.h"
  38 #endif
  39
  40 #include "tdm_private.h"
  41
  42 #define COUNT_MAX   10
  43
  44 #define OUTPUT_FUNC_ENTRY() \
  45         tdm_private_display *private_display; \
  46         tdm_private_output *private_output; \
  47         tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
  48         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER); \
  49         private_output = (tdm_private_output*)output; \
  50         private_display = private_output->private_display
  51
  52 #define OUTPUT_FUNC_ENTRY_ERROR() \
  53         tdm_private_display *private_display; \
  54         tdm_private_output *private_output; \
  55         tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
  56         TDM_RETURN_VAL_IF_FAIL_WITH_ERROR(output != NULL, TDM_ERROR_INVALID_PARAMETER, NULL); \
  57         private_output = (tdm_private_output*)output; \
  58         private_display = private_output->private_display
  59
  60 #define OUTPUT_FUNC_ENTRY_VOID() \
  61         tdm_private_display *private_display; \
  62         tdm_private_output *private_output; \
  63         TDM_RETURN_IF_FAIL(tdm_output_is_valid(output)); \
  64         private_output = (tdm_private_output*)output; \
  65         private_display = private_output->private_display
  66
  67 static void
  68 _tdm_output_vblank_timeout_update(tdm_private_output *private_output, int ms_delay);
  69
  70 static tdm_error
  71 _tdm_output_vblank_timeout_cb(void *user_data)
  72 {
  73         tdm_private_output *private_output = user_data;
  74         tdm_private_output_vblank_handler *v = NULL;
  75
  76         TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_OPERATION_FAILED);
  77
  78         private_output->vblank_timeout_timer_expired++;
  79
  80         TDM_ERR("TDM output(%d) vblank TIMEOUT!! (%d time%s)",
  81                         private_output->pipe,
  82                         private_output->vblank_timeout_timer_expired,
  83                         (private_output->vblank_timeout_timer_expired > 1) ? "s" : "");
  84
  85         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
  86                 TDM_ERR("vblank_handler(%p) interval(%d) sync(%d) sent_to_frontend(%u) owner_tid(%d)",
  87                                 v, v->interval, v->sync, v->sent_to_frontend, v->owner_tid);
  88         }
  89
  90         return TDM_ERROR_NONE;
  91 }
  92
  93 INTERN void
  94 tdm_output_vblank_print_wait_information(tdm_private_output *private_output, void *user_data)
  95 {
  96         tdm_private_output_vblank_handler *v = NULL;
  97
  98         TDM_RETURN_IF_FAIL(private_output != NULL);
  99         TDM_RETURN_IF_FAIL(user_data != NULL);
 100
 101         TDM_ERR("TDM output(%d) vblank user_data(%p) info!!", private_output->pipe, user_data);
 102
 103         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
 104                 if (v->user_data != user_data)
 105                         continue;
 106                 TDM_ERR("vblank_handler(%p) interval(%d) sync(%d) sent_to_frontend(%u) owner_tid(%d)",
 107                                 v, v->interval, v->sync, v->sent_to_frontend, v->owner_tid);
 108         }
 109 }
 110
 111 static void
 112 _tdm_output_vblank_timeout_update(tdm_private_output *private_output, int ms_delay)
 113 {
 114         tdm_error ret;
 115
 116         if (!private_output->vblank_timeout_timer) {
 117                 private_output->vblank_timeout_timer =
 118                         tdm_event_loop_add_timer_handler(private_output->private_display,
 119                                                                                          _tdm_output_vblank_timeout_cb,
 120                                                                                          private_output,
 121                                                                                          &ret);
 122                 if (!private_output->vblank_timeout_timer) {
 123                         TDM_ERR("output(%d) couldn't add timer", private_output->pipe);
 124                         return;
 125                 }
 126                 TDM_INFO("output(%d) create vblank timeout timer", private_output->pipe);
 127                 private_output->vblank_timeout_timer_expired = 0;
 128         }
 129
 130         ret = tdm_event_loop_source_timer_update(private_output->vblank_timeout_timer, ms_delay);
 131         if (ret != TDM_ERROR_NONE) {
 132                 TDM_ERR("output(%d) couldn't update timer", private_output->pipe);
 133                 return;
 134         }
 135 }
 136
 137 INTERN tdm_error
 138 tdm_output_init(tdm_private_display *private_display)
 139 {
 140         tdm_thread_cb_set_find_func(TDM_THREAD_CB_OUTPUT_DESTROY, tdm_display_find_output_stamp);
 141         tdm_thread_cb_set_find_func(TDM_THREAD_CB_OUTPUT_COMMIT, tdm_display_find_output_stamp);
 142         tdm_thread_cb_set_find_func(TDM_THREAD_CB_OUTPUT_VBLANK, tdm_display_find_output_stamp);
 143         tdm_thread_cb_set_find_func(TDM_THREAD_CB_OUTPUT_STATUS, tdm_display_find_output_stamp);
 144         tdm_thread_cb_set_find_func(TDM_THREAD_CB_OUTPUT_DPMS, tdm_display_find_output_stamp);
 145
 146         return TDM_ERROR_NONE;
 147 }
 148
 149 INTERN tdm_error
 150 tdm_output_call_thread_cb_destroy(tdm_private_output *private_output)
 151 {
 152         tdm_thread_cb_output_destroy output_destroy;
 153         tdm_error ret;
 154
 155         memset(&output_destroy, 0, sizeof output_destroy);
 156         output_destroy.base.type = TDM_THREAD_CB_OUTPUT_DESTROY;
 157         output_destroy.base.length = sizeof output_destroy;
 158         output_destroy.base.object_stamp = private_output->stamp;
 159         output_destroy.base.data = NULL;
 160         output_destroy.base.sync = 1;
 161
 162         ret = tdm_thread_cb_call(private_output, &output_destroy.base, 1);
 163         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 164
 165         return TDM_ERROR_NONE;
 166 }
 167
 168 INTERN void
 169 tdm_output_thread_cb_destroy(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
 170 {
 171         tdm_private_output *private_output = object;
 172         tdm_private_output_destroy_handler *destroy_handler = user_data;
 173
 174         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 175
 176         assert(destroy_handler->owner_tid == syscall(SYS_gettid));
 177
 178         _pthread_mutex_unlock(&private_display->lock);
 179         destroy_handler->func(private_output, destroy_handler->user_data);
 180         _pthread_mutex_lock(&private_display->lock);
 181 }
 182
 183 EXTERN tdm_error
 184 tdm_output_add_destroy_handler(tdm_output *output,
 185                                                            tdm_output_destroy_handler func,
 186                                                            void *user_data)
 187 {
 188         tdm_private_output_destroy_handler *destroy_handler = NULL;
 189         OUTPUT_FUNC_ENTRY();
 190
 191         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 192
 193         _pthread_mutex_lock(&private_display->lock);
 194
 195         LIST_FOR_EACH_ENTRY(destroy_handler, &private_output->destroy_handler_list, link) {
 196                 if (destroy_handler->func == func && destroy_handler->user_data == user_data) {
 197                         TDM_ERR("can't add twice");
 198                         _pthread_mutex_unlock(&private_display->lock);
 199                         return TDM_ERROR_BAD_REQUEST;
 200                 }
 201         }
 202
 203         destroy_handler = calloc(1, sizeof(tdm_private_output_destroy_handler));
 204         if (!destroy_handler) {
 205                 TDM_ERR("failed: alloc memory");
 206                 _pthread_mutex_unlock(&private_display->lock);
 207                 return TDM_ERROR_OUT_OF_MEMORY;
 208         }
 209
 210         ret = tdm_thread_cb_add(private_output, TDM_THREAD_CB_OUTPUT_DESTROY, NULL, tdm_output_thread_cb_destroy, destroy_handler);
 211         if (ret != TDM_ERROR_NONE) {
 212                 TDM_ERR("tdm_thread_cb_add failed");
 213                 free(destroy_handler);
 214                 _pthread_mutex_unlock(&private_display->lock);
 215                 return TDM_ERROR_OPERATION_FAILED;
 216         }
 217
 218         destroy_handler->private_output = private_output;
 219         destroy_handler->func = func;
 220         destroy_handler->user_data = user_data;
 221         destroy_handler->owner_tid = syscall(SYS_gettid);
 222
 223         LIST_ADDTAIL(&destroy_handler->link, &private_output->destroy_handler_list);
 224
 225         _pthread_mutex_unlock(&private_display->lock);
 226
 227         return ret;
 228 }
 229
 230
 231 EXTERN void
 232 tdm_output_remove_destroy_handler(tdm_output *output,
 233                                                                   tdm_output_destroy_handler func,
 234                                                                   void *user_data)
 235 {
 236         tdm_private_display *private_display;
 237         tdm_private_output *private_output;
 238         tdm_private_output_destroy_handler *destroy_handler = NULL, *hh = NULL;
 239
 240         TDM_RETURN_IF_FAIL(output != NULL);
 241         TDM_RETURN_IF_FAIL(func != NULL);
 242
 243         private_output = (tdm_private_output*)output;
 244         private_display = private_output->private_display;
 245
 246         _pthread_mutex_lock(&private_display->lock);
 247
 248         LIST_FOR_EACH_ENTRY_SAFE(destroy_handler, hh, &private_output->destroy_handler_list, link) {
 249                 if (destroy_handler->func != func || destroy_handler->user_data != user_data)
 250                         continue;
 251
 252                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_DESTROY, NULL, tdm_output_thread_cb_destroy, destroy_handler);
 253
 254                 LIST_DEL(&destroy_handler->link);
 255                 free(destroy_handler);
 256
 257                 _pthread_mutex_unlock(&private_display->lock);
 258
 259                 return;
 260         }
 261
 262         _pthread_mutex_unlock(&private_display->lock);
 263 }
 264
 265 EXTERN tdm_module *
 266 tdm_output_get_backend_module(tdm_output *output, tdm_error *error)
 267 {
 268         tdm_private_module *private_module;
 269
 270         OUTPUT_FUNC_ENTRY_ERROR();
 271
 272         _pthread_mutex_lock(&private_display->lock);
 273
 274         private_module = private_output->private_module;
 275
 276         if (error)
 277                 *error = TDM_ERROR_NONE;
 278
 279         _pthread_mutex_unlock(&private_display->lock);
 280
 281         return private_module;
 282 }
 283
 284 EXTERN tdm_error
 285 tdm_output_get_model_info(tdm_output *output, const char **maker,
 286                                                   const char **model, const char **name)
 287 {
 288         OUTPUT_FUNC_ENTRY();
 289
 290         _pthread_mutex_lock(&private_display->lock);
 291
 292         if (maker)
 293                 *maker = private_output->caps.maker;
 294         if (model)
 295                 *model = private_output->caps.model;
 296         if (name)
 297                 *name = private_output->caps.name;
 298
 299         _pthread_mutex_unlock(&private_display->lock);
 300
 301         return ret;
 302 }
 303
 304 EXTERN tdm_error
 305 tdm_output_get_capabilities(tdm_output *output, tdm_output_capability *capabilities)
 306 {
 307         OUTPUT_FUNC_ENTRY();
 308
 309         TDM_RETURN_VAL_IF_FAIL(capabilities != NULL, TDM_ERROR_INVALID_PARAMETER);
 310
 311         _pthread_mutex_lock(&private_display->lock);
 312
 313         *capabilities = private_output->caps.capabilities;
 314
 315         _pthread_mutex_unlock(&private_display->lock);
 316
 317         return ret;
 318 }
 319
 320 EXTERN tdm_error
 321 tdm_output_get_conn_status(tdm_output *output, tdm_output_conn_status *status)
 322 {
 323         OUTPUT_FUNC_ENTRY();
 324
 325         TDM_RETURN_VAL_IF_FAIL(status != NULL, TDM_ERROR_INVALID_PARAMETER);
 326
 327         _pthread_mutex_lock(&private_display->lock);
 328
 329         *status = private_output->caps.status;
 330
 331         _pthread_mutex_unlock(&private_display->lock);
 332
 333         return ret;
 334 }
 335
 336 INTERN void
 337 tdm_output_thread_cb_change(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
 338 {
 339         tdm_private_output *private_output = object;
 340         tdm_private_output_change_handler *change_handler = user_data;
 341         tdm_output_change_type type = TDM_OUTPUT_CHANGE_CONNECTION;
 342         tdm_value value = {.u32 = 0 };
 343
 344         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 345
 346         assert(change_handler->owner_tid == syscall(SYS_gettid));
 347
 348         if (cb_base->type == TDM_THREAD_CB_OUTPUT_STATUS) {
 349                 tdm_thread_cb_output_status *output_status = (tdm_thread_cb_output_status *)cb_base;
 350                 type = TDM_OUTPUT_CHANGE_CONNECTION;
 351                 value.u32 = output_status->status;
 352         } else if (cb_base->type == TDM_THREAD_CB_OUTPUT_DPMS) {
 353                 tdm_thread_cb_output_dpms *output_dpms = (tdm_thread_cb_output_dpms *)cb_base;
 354                 type = TDM_OUTPUT_CHANGE_DPMS;
 355                 value.u32 = output_dpms->dpms;
 356         } else {
 357                 TDM_NEVER_GET_HERE();
 358                 return;
 359         }
 360
 361         _pthread_mutex_unlock(&private_display->lock);
 362         change_handler->func(private_output, type, value, change_handler->user_data);
 363         _pthread_mutex_lock(&private_display->lock);
 364
 365 }
 366
 367 static tdm_error
 368 _tdm_output_call_thread_cb_status(tdm_private_output *private_output, tdm_output_conn_status status)
 369 {
 370         tdm_thread_cb_output_status output_status;
 371         pid_t caller_tid = syscall(SYS_gettid);
 372         tdm_error ret;
 373
 374         memset(&output_status, 0, sizeof output_status);
 375         output_status.base.type = TDM_THREAD_CB_OUTPUT_STATUS;
 376         output_status.base.length = sizeof output_status;
 377         output_status.base.object_stamp = private_output->stamp;
 378         output_status.base.data = NULL;
 379         if (tdm_thread_in_display_thread(caller_tid))
 380                 output_status.base.sync = 0;
 381         else
 382                 output_status.base.sync = 1;
 383         output_status.status = status;
 384
 385         ret = tdm_thread_cb_call(private_output, &output_status.base, 1);
 386         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 387
 388         return TDM_ERROR_NONE;
 389 }
 390
 391 static tdm_error
 392 _tdm_output_call_thread_cb_dpms(tdm_private_output *private_output, tdm_output_dpms dpms)
 393 {
 394         tdm_thread_cb_output_dpms output_dpms;
 395         tdm_error ret;
 396
 397         memset(&output_dpms, 0, sizeof output_dpms);
 398         output_dpms.base.type = TDM_THREAD_CB_OUTPUT_DPMS;
 399         output_dpms.base.length = sizeof output_dpms;
 400         output_dpms.base.object_stamp = private_output->stamp;
 401         output_dpms.base.data = NULL;
 402         output_dpms.base.sync = 0;
 403         output_dpms.dpms = dpms;
 404
 405         ret = tdm_thread_cb_call(private_output, &output_dpms.base, 1);
 406         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 407
 408         return TDM_ERROR_NONE;
 409 }
 410
 411 INTERN void
 412 tdm_output_cb_status(tdm_output *output_backend, tdm_output_conn_status status, void *user_data)
 413 {
 414         tdm_private_output *private_output = user_data;
 415         tdm_error ret;
 416
 417         TDM_RETURN_IF_FAIL(private_output);
 418
 419         TDM_INFO("output(%d) %s", private_output->pipe, tdm_status_str(status));
 420
 421         if ((private_output->caps.status == TDM_OUTPUT_CONN_STATUS_DISCONNECTED && status != TDM_OUTPUT_CONN_STATUS_DISCONNECTED) ||
 422                 (private_output->caps.status != TDM_OUTPUT_CONN_STATUS_DISCONNECTED && status == TDM_OUTPUT_CONN_STATUS_DISCONNECTED)) {
 423                 ret = tdm_display_update_output(private_output->private_module, output_backend);
 424                 TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 425         } else {
 426                 private_output->caps.status = status;
 427         }
 428
 429         ret = _tdm_output_call_thread_cb_status(private_output, status);
 430         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 431 }
 432
 433 INTERN void
 434 tdm_output_cb_dpms(tdm_output *output_backend, tdm_output_dpms dpms, void *user_data)
 435 {
 436         tdm_private_output *private_output = user_data;
 437         tdm_error ret;
 438
 439         TDM_INFO("output(%d) %s", private_output->pipe, tdm_status_str(dpms));
 440
 441         private_output->current_dpms_value = dpms;
 442         private_output->waiting_dpms_change = 0;
 443         TDM_INFO("output(%d) dpms async '%s' done", private_output->pipe, tdm_dpms_str(dpms));
 444
 445         ret = _tdm_output_call_thread_cb_dpms(private_output, dpms);
 446         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 447 }
 448
 449 EXTERN tdm_error
 450 tdm_output_add_change_handler(tdm_output *output,
 451                                                           tdm_output_change_handler func,
 452                                                           void *user_data)
 453 {
 454         tdm_private_output_change_handler *change_handler = NULL;
 455         OUTPUT_FUNC_ENTRY();
 456
 457         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 458
 459         _pthread_mutex_lock(&private_display->lock);
 460
 461         LIST_FOR_EACH_ENTRY(change_handler, &private_output->change_handler_list, link) {
 462                 if (change_handler->func == func && change_handler->user_data == user_data) {
 463                         TDM_ERR("can't add twice");
 464                         _pthread_mutex_unlock(&private_display->lock);
 465                         return TDM_ERROR_BAD_REQUEST;
 466                 }
 467         }
 468
 469         change_handler = calloc(1, sizeof(tdm_private_output_change_handler));
 470         if (!change_handler) {
 471                 /* LCOV_EXCL_START */
 472                 TDM_ERR("failed: alloc memory");
 473                 _pthread_mutex_unlock(&private_display->lock);
 474                 return TDM_ERROR_OUT_OF_MEMORY;
 475                 /* LCOV_EXCL_STOP */
 476         }
 477
 478         ret = tdm_thread_cb_add(private_output, TDM_THREAD_CB_OUTPUT_DPMS, NULL, tdm_output_thread_cb_change, change_handler);
 479         if (ret != TDM_ERROR_NONE) {
 480                 /* LCOV_EXCL_START */
 481                 TDM_ERR("tdm_thread_cb_add failed");
 482                 free(change_handler);
 483                 _pthread_mutex_unlock(&private_display->lock);
 484                 return TDM_ERROR_OPERATION_FAILED;
 485                 /* LCOV_EXCL_STOP */
 486         }
 487
 488         ret = tdm_thread_cb_add(private_output, TDM_THREAD_CB_OUTPUT_STATUS, NULL, tdm_output_thread_cb_change, change_handler);
 489         if (ret != TDM_ERROR_NONE) {
 490                 /* LCOV_EXCL_START */
 491                 TDM_ERR("tdm_thread_cb_add failed");
 492                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_DPMS, NULL, tdm_output_thread_cb_change, change_handler);
 493                 free(change_handler);
 494                 _pthread_mutex_unlock(&private_display->lock);
 495                 return TDM_ERROR_OPERATION_FAILED;
 496                 /* LCOV_EXCL_STOP */
 497         }
 498
 499         change_handler->private_output = private_output;
 500         change_handler->func = func;
 501         change_handler->user_data = user_data;
 502         change_handler->owner_tid = syscall(SYS_gettid);
 503
 504         LIST_ADDTAIL(&change_handler->link, &private_output->change_handler_list);
 505
 506         _pthread_mutex_unlock(&private_display->lock);
 507
 508         return ret;
 509 }
 510
 511 EXTERN void
 512 tdm_output_remove_change_handler(tdm_output *output,
 513                                                                  tdm_output_change_handler func,
 514                                                                  void *user_data)
 515 {
 516         tdm_private_display *private_display;
 517         tdm_private_output *private_output;
 518         tdm_private_output_change_handler *change_handler = NULL, *hh = NULL;
 519
 520         TDM_RETURN_IF_FAIL(output != NULL);
 521         TDM_RETURN_IF_FAIL(func != NULL);
 522
 523         private_output = (tdm_private_output*)output;
 524         private_display = private_output->private_display;
 525
 526         _pthread_mutex_lock(&private_display->lock);
 527
 528         LIST_FOR_EACH_ENTRY_SAFE(change_handler, hh, &private_output->change_handler_list, link) {
 529                 if (change_handler->func != func || change_handler->user_data != user_data)
 530                         continue;
 531
 532                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_DPMS, NULL, tdm_output_thread_cb_change, change_handler);
 533                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_STATUS, NULL, tdm_output_thread_cb_change, change_handler);
 534
 535                 LIST_DEL(&change_handler->link);
 536                 free(change_handler);
 537
 538                 _pthread_mutex_unlock(&private_display->lock);
 539
 540                 return;
 541         }
 542
 543         _pthread_mutex_unlock(&private_display->lock);
 544 }
 545
 546 EXTERN tdm_error
 547 tdm_output_get_output_type(tdm_output *output, tdm_output_type *type)
 548 {
 549         OUTPUT_FUNC_ENTRY();
 550
 551         TDM_RETURN_VAL_IF_FAIL(type != NULL, TDM_ERROR_INVALID_PARAMETER);
 552
 553         _pthread_mutex_lock(&private_display->lock);
 554
 555         *type = private_output->caps.type;
 556
 557         _pthread_mutex_unlock(&private_display->lock);
 558
 559         return ret;
 560 }
 561
 562 EXTERN tdm_error
 563 tdm_output_get_layer_count(tdm_output *output, int *count)
 564 {
 565         tdm_private_layer *private_layer = NULL;
 566
 567         OUTPUT_FUNC_ENTRY();
 568
 569         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 570
 571         _pthread_mutex_lock(&private_display->lock);
 572
 573         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC) {
 574                 TDM_ERR("output(%p) support HWC. Use HWC functions", private_output);
 575                 *count = 0;
 576                 _pthread_mutex_unlock(&private_display->lock);
 577                 return TDM_ERROR_BAD_REQUEST;
 578         }
 579
 580         *count = 0;
 581         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link)
 582         (*count)++;
 583         if (*count == 0) {
 584                 _pthread_mutex_unlock(&private_display->lock);
 585                 return TDM_ERROR_NONE;
 586         }
 587
 588         _pthread_mutex_unlock(&private_display->lock);
 589
 590         return ret;
 591 }
 592
 593
 594 EXTERN tdm_layer *
 595 tdm_output_get_layer(tdm_output *output, int index, tdm_error *error)
 596 {
 597         tdm_private_layer *private_layer = NULL;
 598
 599         OUTPUT_FUNC_ENTRY_ERROR();
 600
 601         _pthread_mutex_lock(&private_display->lock);
 602
 603         if (error)
 604                 *error = TDM_ERROR_NONE;
 605
 606         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC) {
 607                 _pthread_mutex_unlock(&private_display->lock);
 608                 TDM_ERR("output(%p) support HWC. Use HWC functions", private_output);
 609                 if (error)
 610                         *error = TDM_ERROR_BAD_REQUEST;
 611                 return NULL;
 612         }
 613
 614         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 615                 if (private_layer->index == index) {
 616                         _pthread_mutex_unlock(&private_display->lock);
 617                         return private_layer;
 618                 }
 619         }
 620
 621         _pthread_mutex_unlock(&private_display->lock);
 622
 623         return NULL;
 624 }
 625
 626 EXTERN tdm_error
 627 tdm_output_get_available_properties(tdm_output *output, const tdm_prop **props,
 628                                                                         int *count)
 629 {
 630         OUTPUT_FUNC_ENTRY();
 631
 632         TDM_RETURN_VAL_IF_FAIL(props != NULL, TDM_ERROR_INVALID_PARAMETER);
 633         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 634
 635         _pthread_mutex_lock(&private_display->lock);
 636
 637         *props = (const tdm_prop *)private_output->caps.props;
 638         *count = private_output->caps.prop_count;
 639
 640         _pthread_mutex_unlock(&private_display->lock);
 641
 642         return ret;
 643 }
 644
 645 EXTERN tdm_error
 646 tdm_output_get_available_modes(tdm_output *output,
 647                                                            const tdm_output_mode **modes, int *count)
 648 {
 649         OUTPUT_FUNC_ENTRY();
 650
 651         TDM_RETURN_VAL_IF_FAIL(modes != NULL, TDM_ERROR_INVALID_PARAMETER);
 652         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 653
 654         _pthread_mutex_lock(&private_display->lock);
 655
 656         *modes = (const tdm_output_mode *)private_output->caps.modes;
 657         *count = private_output->caps.mode_count;
 658
 659         _pthread_mutex_unlock(&private_display->lock);
 660
 661         return ret;
 662 }
 663
 664 EXTERN tdm_error
 665 tdm_output_get_available_size(tdm_output *output, int *min_w, int *min_h,
 666                                                           int *max_w, int *max_h, int *preferred_align)
 667 {
 668         OUTPUT_FUNC_ENTRY();
 669
 670         _pthread_mutex_lock(&private_display->lock);
 671
 672         if (min_w)
 673                 *min_w = TDM_FRONT_VALUE(private_output->caps.min_w);
 674         if (min_h)
 675                 *min_h = TDM_FRONT_VALUE(private_output->caps.min_h);
 676         if (max_w)
 677                 *max_w = TDM_FRONT_VALUE(private_output->caps.max_w);
 678         if (max_h)
 679                 *max_h = TDM_FRONT_VALUE(private_output->caps.max_h);
 680         if (preferred_align)
 681                 *preferred_align = TDM_FRONT_VALUE(private_output->caps.preferred_align);
 682
 683         _pthread_mutex_unlock(&private_display->lock);
 684
 685         return ret;
 686 }
 687
 688 EXTERN tdm_error
 689 tdm_output_get_cursor_available_size(tdm_output *output, int *min_w, int *min_h,
 690                                                                          int *max_w, int *max_h, int *preferred_align)
 691 {
 692         OUTPUT_FUNC_ENTRY();
 693
 694         _pthread_mutex_lock(&private_display->lock);
 695
 696         if (!tdm_module_check_abi(private_output->private_module, 1, 5)) {
 697                 _pthread_mutex_unlock(&private_display->lock);
 698                 return TDM_ERROR_BAD_REQUEST;
 699         }
 700
 701         if (min_w)
 702                 *min_w = TDM_FRONT_VALUE(private_output->caps.cursor_min_w);
 703         if (min_h)
 704                 *min_h = TDM_FRONT_VALUE(private_output->caps.cursor_min_h);
 705         if (max_w)
 706                 *max_w = TDM_FRONT_VALUE(private_output->caps.cursor_max_w);
 707         if (max_h)
 708                 *max_h = TDM_FRONT_VALUE(private_output->caps.cursor_max_h);
 709         if (preferred_align)
 710                 *preferred_align = TDM_FRONT_VALUE(private_output->caps.cursor_preferred_align);
 711
 712         _pthread_mutex_unlock(&private_display->lock);
 713
 714         return ret;
 715 }
 716
 717 EXTERN tdm_error
 718 tdm_output_get_physical_size(tdm_output *output, unsigned int *mmWidth,
 719                                                          unsigned int *mmHeight)
 720 {
 721         OUTPUT_FUNC_ENTRY();
 722
 723         _pthread_mutex_lock(&private_display->lock);
 724
 725         if (mmWidth)
 726                 *mmWidth = private_output->caps.mmWidth;
 727         if (mmHeight)
 728                 *mmHeight = private_output->caps.mmHeight;
 729
 730         _pthread_mutex_unlock(&private_display->lock);
 731
 732         return ret;
 733 }
 734
 735 EXTERN tdm_error
 736 tdm_output_get_subpixel(tdm_output *output, unsigned int *subpixel)
 737 {
 738         OUTPUT_FUNC_ENTRY();
 739         TDM_RETURN_VAL_IF_FAIL(subpixel != NULL, TDM_ERROR_INVALID_PARAMETER);
 740
 741         _pthread_mutex_lock(&private_display->lock);
 742
 743         *subpixel = private_output->caps.subpixel;
 744
 745         _pthread_mutex_unlock(&private_display->lock);
 746
 747         return ret;
 748 }
 749
 750 EXTERN tdm_error
 751 tdm_output_get_pipe(tdm_output *output, unsigned int *pipe)
 752 {
 753         OUTPUT_FUNC_ENTRY();
 754         TDM_RETURN_VAL_IF_FAIL(pipe != NULL, TDM_ERROR_INVALID_PARAMETER);
 755
 756         _pthread_mutex_lock(&private_display->lock);
 757
 758         *pipe = private_output->pipe;
 759
 760         _pthread_mutex_unlock(&private_display->lock);
 761
 762         return ret;
 763 }
 764
 765 EXTERN tdm_error
 766 tdm_output_get_primary_index(tdm_output *output, int *index)
 767 {
 768         tdm_private_layer *private_layer = NULL;
 769
 770         OUTPUT_FUNC_ENTRY();
 771         TDM_RETURN_VAL_IF_FAIL(index != NULL, TDM_ERROR_INVALID_PARAMETER);
 772
 773         _pthread_mutex_lock(&private_display->lock);
 774
 775         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 776                 if (private_layer->caps.capabilities & TDM_LAYER_CAPABILITY_PRIMARY) {
 777                         *index = private_layer->index;
 778                         break;
 779                 }
 780         }
 781
 782         _pthread_mutex_unlock(&private_display->lock);
 783
 784         return ret;
 785 }
 786
 787 EXTERN tdm_error
 788 tdm_output_set_property(tdm_output *output, unsigned int id, tdm_value value)
 789 {
 790         tdm_private_module *private_module;
 791         tdm_func_output *func_output;
 792         OUTPUT_FUNC_ENTRY();
 793
 794         _pthread_mutex_lock(&private_display->lock);
 795
 796         private_module = private_output->private_module;
 797         func_output = &private_module->func_output;
 798
 799         if (!func_output->output_set_property) {
 800                 /* LCOV_EXCL_START */
 801                 _pthread_mutex_unlock(&private_display->lock);
 802                 TDM_WRN("not implemented!!");
 803                 return TDM_ERROR_NOT_IMPLEMENTED;
 804                 /* LCOV_EXCL_STOP */
 805         }
 806
 807         ret = func_output->output_set_property(private_output->output_backend, id,
 808                                                                                    value);
 809
 810         _pthread_mutex_unlock(&private_display->lock);
 811
 812         return ret;
 813 }
 814
 815 EXTERN tdm_error
 816 tdm_output_get_property(tdm_output *output, unsigned int id, tdm_value *value)
 817 {
 818         tdm_private_module *private_module;
 819         tdm_func_output *func_output;
 820         OUTPUT_FUNC_ENTRY();
 821
 822         TDM_RETURN_VAL_IF_FAIL(value != NULL, TDM_ERROR_INVALID_PARAMETER);
 823
 824         _pthread_mutex_lock(&private_display->lock);
 825
 826         private_module = private_output->private_module;
 827         func_output = &private_module->func_output;
 828
 829         if (!func_output->output_get_property) {
 830                 /* LCOV_EXCL_START */
 831                 _pthread_mutex_unlock(&private_display->lock);
 832                 TDM_WRN("not implemented!!");
 833                 return TDM_ERROR_NOT_IMPLEMENTED;
 834                 /* LCOV_EXCL_STOP */
 835         }
 836
 837         ret = func_output->output_get_property(private_output->output_backend, id,
 838                                                                                    value);
 839
 840         _pthread_mutex_unlock(&private_display->lock);
 841
 842         return ret;
 843 }
 844
 845 static void
 846 _tdm_output_thread_cb_vblank(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
 847 {
 848         tdm_thread_cb_output_vblank *output_vblank = (tdm_thread_cb_output_vblank *)cb_base;
 849         tdm_private_output_vblank_handler *vblank_handler = output_vblank->base.data;
 850         tdm_private_output_vblank_handler *v = NULL, *vv = NULL;
 851         tdm_private_output *private_output = object;
 852         struct list_head clone_list;
 853         int interval, sync;
 854         pid_t tid = syscall(SYS_gettid);
 855
 856         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 857
 858         assert(vblank_handler->owner_tid == tid);
 859
 860         vblank_handler->sent_to_frontend = 0;
 861
 862         _tdm_output_vblank_timeout_update(private_output, 0);
 863
 864         tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_VBLANK, vblank_handler, _tdm_output_thread_cb_vblank, NULL);
 865
 866         interval = vblank_handler->interval;
 867         sync = vblank_handler->sync;
 868
 869         LIST_INITHEAD(&clone_list);
 870
 871         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &private_output->vblank_handler_list, link) {
 872                 if (v->interval != interval || v->sync != sync || v->owner_tid != tid)
 873                         continue;
 874
 875                 LIST_DEL(&v->link);
 876                 LIST_ADDTAIL(&v->link, &clone_list);
 877         }
 878
 879         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 880                 TDM_INFO("----------------------------------------- output(%d) got vblank", private_output->pipe);
 881
 882         _pthread_mutex_unlock(&private_display->lock);
 883         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &clone_list, link) {
 884                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 885                         TDM_INFO("handler(%p)", v);
 886
 887                 LIST_DEL(&v->link);
 888
 889                 if (v->func)
 890                         v->func(v->private_output,
 891                                         output_vblank->sequence,
 892                                         output_vblank->tv_sec,
 893                                         output_vblank->tv_usec,
 894                                         v->user_data);
 895
 896                 free(v);
 897         }
 898         _pthread_mutex_lock(&private_display->lock);
 899
 900         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 901                 TDM_INFO("-----------------------------------------...");
 902 }
 903
 904 static void
 905 _tdm_output_cb_vblank(tdm_output *output_backend, unsigned int sequence,
 906                                           unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 907 {
 908         tdm_private_output_vblank_handler *vblank_handler = user_data;
 909         tdm_thread_cb_output_vblank output_vblank;
 910         tdm_error ret;
 911
 912         memset(&output_vblank, 0, sizeof output_vblank);
 913         output_vblank.base.type = TDM_THREAD_CB_OUTPUT_VBLANK;
 914         output_vblank.base.length = sizeof output_vblank;
 915         output_vblank.base.object_stamp = vblank_handler->private_output->stamp;
 916         output_vblank.base.data = vblank_handler;
 917         output_vblank.base.sync = 0;
 918         output_vblank.sequence = sequence;
 919         output_vblank.tv_sec = tv_sec;
 920         output_vblank.tv_usec = tv_usec;
 921
 922         vblank_handler->sent_to_frontend = 1;
 923
 924         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 925                 TDM_INFO("output(%d) wait_vblank: handler(%p)", vblank_handler->private_output->pipe, vblank_handler);
 926
 927         ret = tdm_thread_cb_call(vblank_handler->private_output, &output_vblank.base, 1);
 928         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 929 }
 930
 931 static void
 932 _tdm_output_thread_cb_commit(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
 933 {
 934         tdm_thread_cb_output_commit *output_commit = (tdm_thread_cb_output_commit *)cb_base;
 935         tdm_private_output_commit_handler *output_commit_handler = output_commit->base.data;
 936         tdm_private_output *private_output = object;
 937         tdm_private_layer *private_layer = NULL;
 938
 939         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 940
 941         if (!output_commit_handler)
 942                 return;
 943
 944         assert(output_commit_handler->owner_tid == syscall(SYS_gettid));
 945
 946         tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_COMMIT, output_commit_handler, _tdm_output_thread_cb_commit, NULL);
 947
 948         LIST_DEL(&output_commit_handler->link);
 949
 950         if (tdm_debug_module & TDM_DEBUG_COMMIT) {
 951                 TDM_INFO("----------------------------------------- output(%d) committed", private_output->pipe);
 952                 TDM_INFO("handler(%p)", output_commit_handler);
 953         }
 954
 955         if (private_output->commit_type == TDM_COMMIT_TYPE_OUTPUT) {
 956                 /* In case of layer commit, the below will be handled in the layer commit callback */
 957                 LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 958                         if (private_layer->committed_buffer)
 959                                 tdm_layer_committed(private_layer, &private_layer->committed_buffer);
 960                 }
 961         }
 962
 963         if (output_commit_handler->func) {
 964                 _pthread_mutex_unlock(&private_display->lock);
 965                 output_commit_handler->func(private_output,
 966                                                                         output_commit->sequence,
 967                                                                         output_commit->tv_sec,
 968                                                                         output_commit->tv_usec,
 969                                                                         output_commit_handler->user_data);
 970                 _pthread_mutex_lock(&private_display->lock);
 971         }
 972
 973         free(output_commit_handler);
 974
 975         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 976                 TDM_INFO("-----------------------------------------...");
 977 }
 978
 979 static void
 980 _tdm_output_cb_commit(tdm_output *output_backend, unsigned int sequence,
 981                                           unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 982 {
 983         tdm_private_output_commit_handler *output_commit_handler = user_data;
 984         tdm_private_output *private_output;
 985         tdm_thread_cb_output_commit output_commit;
 986         tdm_error ret;
 987
 988         if (output_commit_handler)
 989                 private_output = output_commit_handler->private_output;
 990         else
 991                 private_output = tdm_display_find_private_output(tdm_display_get(), output_backend);
 992
 993         memset(&output_commit, 0, sizeof output_commit);
 994         output_commit.base.type = TDM_THREAD_CB_OUTPUT_COMMIT;
 995         output_commit.base.length = sizeof output_commit;
 996         output_commit.base.object_stamp = private_output->stamp;
 997         output_commit.base.data = output_commit_handler;
 998         output_commit.base.sync = 0;
 999         output_commit.sequence = sequence;
1000         output_commit.tv_sec = tv_sec;
1001         output_commit.tv_usec = tv_usec;
1002
1003         ret = tdm_thread_cb_call(private_output, &output_commit.base, 1);
1004         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
1005 }
1006
1007 /* add_front: To distinguish between the user vblank handlers and the layer
1008  *            commit vblank handlers. The layer commit handlers will be called
1009  *            before calling the user vblank handlers.
1010  */
1011 static tdm_error
1012 _tdm_output_wait_vblank(tdm_private_output *private_output, int interval, int sync,
1013                                                 tdm_output_vblank_handler func, void *user_data,
1014                                                 unsigned int add_front)
1015 {
1016         tdm_private_module *private_module;
1017         tdm_func_output *func_output;
1018         tdm_private_output_vblank_handler *vblank_handler = NULL, *v = NULL;
1019         unsigned int skip_request = 0;
1020         pid_t tid = syscall(SYS_gettid);
1021         tdm_error ret = TDM_ERROR_NONE;
1022
1023         private_module = private_output->private_module;
1024         func_output = &private_module->func_output;
1025
1026         /* interval SHOULD be at least 1 */
1027         if (interval <= 0)
1028                 interval = 1;
1029
1030         if (!func_output->output_wait_vblank) {
1031                 /* LCOV_EXCL_START */
1032                 TDM_WRN("not implemented!!");
1033                 return TDM_ERROR_NOT_IMPLEMENTED;
1034                 /* LCOV_EXCL_STOP */
1035         }
1036
1037         if (!private_output->regist_vblank_cb) {
1038                 private_output->regist_vblank_cb = 1;
1039                 ret = func_output->output_set_vblank_handler(private_output->output_backend,
1040                                 _tdm_output_cb_vblank);
1041         }
1042
1043         vblank_handler = calloc(1, sizeof(tdm_private_output_vblank_handler));
1044         if (!vblank_handler) {
1045                 /* LCOV_EXCL_START */
1046                 TDM_ERR("failed: alloc memory");
1047                 return TDM_ERROR_OUT_OF_MEMORY;
1048                 /* LCOV_EXCL_STOP */
1049         }
1050
1051         if (tdm_debug_module & TDM_DEBUG_COMMIT)
1052                 TDM_INFO("output(%d) wait_vblank: handler(%p)", private_output->pipe, vblank_handler);
1053
1054         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
1055                 if (v->interval == interval && v->sync == sync && v->owner_tid == tid) {
1056                         skip_request = 1;
1057                         break;
1058                 }
1059         }
1060
1061         if (add_front)
1062                 LIST_ADD(&vblank_handler->link, &private_output->vblank_handler_list);
1063         else
1064                 LIST_ADDTAIL(&vblank_handler->link, &private_output->vblank_handler_list);
1065
1066         vblank_handler->private_output = private_output;
1067         vblank_handler->interval = interval;
1068         vblank_handler->sync = sync;
1069         vblank_handler->func = func;
1070         vblank_handler->user_data = user_data;
1071         vblank_handler->owner_tid = tid;
1072
1073         /* If there is the previous request, we can skip to call output_wait_vblank() */
1074         if (!skip_request) {
1075                 ret = tdm_thread_cb_add(private_output, TDM_THREAD_CB_OUTPUT_VBLANK, vblank_handler, _tdm_output_thread_cb_vblank, NULL);
1076                 if (ret != TDM_ERROR_NONE) {
1077                         TDM_ERR("tdm_thread_cb_add failed");
1078                         goto wait_failed;
1079                 }
1080
1081                 ret = func_output->output_wait_vblank(private_output->output_backend, interval,
1082                                                                                           sync, vblank_handler);
1083                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
1084
1085                 _tdm_output_vblank_timeout_update(private_output, 1000);
1086
1087                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
1088                         TDM_INFO("output(%d) backend wait_vblank", private_output->pipe);
1089         }
1090
1091         return ret;
1092
1093 wait_failed:
1094         /* LCOV_EXCL_START */
1095         if (vblank_handler) {
1096                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_VBLANK, vblank_handler, _tdm_output_thread_cb_vblank, NULL);
1097                 LIST_DEL(&vblank_handler->link);
1098                 free(vblank_handler);
1099         }
1100         return ret;
1101         /* LCOV_EXCL_STOP */
1102 }
1103
1104 EXTERN tdm_error
1105 tdm_output_wait_vblank(tdm_output *output, int interval, int sync,
1106                                            tdm_output_vblank_handler func, void *user_data)
1107 {
1108         OUTPUT_FUNC_ENTRY();
1109         TDM_RETURN_VAL_IF_FAIL(interval > 0, TDM_ERROR_INVALID_PARAMETER);
1110
1111         _pthread_mutex_lock(&private_display->lock);
1112
1113         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
1114                 TDM_WRN("output(%d) dpms: %s", private_output->pipe,
1115                                 tdm_dpms_str(private_output->current_dpms_value));
1116                 _pthread_mutex_unlock(&private_display->lock);
1117                 return TDM_ERROR_DPMS_OFF;
1118         }
1119
1120         ret = _tdm_output_wait_vblank(private_output, interval, sync, func, user_data, 0);
1121
1122         _pthread_mutex_unlock(&private_display->lock);
1123
1124         return ret;
1125 }
1126
1127 /* LCOV_EXCL_START */
1128 EXTERN tdm_error
1129 tdm_output_wait_vblank_add_front(tdm_output *output, int interval, int sync,
1130                                                                  tdm_output_vblank_handler func, void *user_data)
1131 {
1132         OUTPUT_FUNC_ENTRY();
1133
1134         _pthread_mutex_lock(&private_display->lock);
1135
1136         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
1137                 TDM_WRN("output(%d) dpms: %s", private_output->pipe,
1138                                 tdm_dpms_str(private_output->current_dpms_value));
1139                 _pthread_mutex_unlock(&private_display->lock);
1140                 return TDM_ERROR_DPMS_OFF;
1141         }
1142
1143         ret = _tdm_output_wait_vblank(private_output, interval, sync, func, user_data, 1);
1144
1145         _pthread_mutex_unlock(&private_display->lock);
1146
1147         return ret;
1148 }
1149 /* LCOV_EXCL_STOP */
1150
1151 INTERN void
1152 tdm_output_remove_vblank_handler_internal(tdm_output *output, tdm_output_vblank_handler func, void *user_data)
1153 {
1154         tdm_private_output *private_output = (tdm_private_output*)output;
1155         tdm_private_output_vblank_handler *v = NULL;
1156
1157         TDM_RETURN_IF_FAIL(private_output != NULL);
1158         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1159
1160         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
1161                 if (v->func == func && v->user_data == user_data) {
1162                         /* only set func & user_data to NULL. It will be freed when an event occurs */
1163                         v->func = NULL;
1164                         v->user_data = NULL;
1165                         break;
1166                 }
1167         }
1168 }
1169
1170 INTERN void
1171 tdm_output_remove_commit_handler_internal(tdm_output *output, tdm_output_commit_handler func, void *user_data)
1172 {
1173         tdm_private_output *private_output = (tdm_private_output*)output;
1174         tdm_private_output_commit_handler *c = NULL;
1175
1176         TDM_RETURN_IF_FAIL(private_output != NULL);
1177         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1178
1179         LIST_FOR_EACH_ENTRY(c, &private_output->output_commit_handler_list, link) {
1180                 if (c->func == func && c->user_data == user_data) {
1181                         /* only set func & user_data to NULL. It will be freed when an event occurs */
1182                         c->func = NULL;
1183                         c->user_data = NULL;
1184                         break;
1185                 }
1186         }
1187 }
1188
1189 EXTERN tdm_error
1190 tdm_output_remove_vblank_handler(tdm_output *output, tdm_output_vblank_handler func, void *user_data)
1191 {
1192         OUTPUT_FUNC_ENTRY();
1193
1194         _pthread_mutex_lock(&private_display->lock);
1195
1196         tdm_output_remove_vblank_handler_internal(output, func, user_data);
1197
1198         _pthread_mutex_unlock(&private_display->lock);
1199
1200         return ret;
1201 }
1202
1203 EXTERN tdm_error
1204 tdm_output_remove_commit_handler(tdm_output *output, tdm_output_commit_handler func, void *user_data)
1205 {
1206         OUTPUT_FUNC_ENTRY();
1207
1208         _pthread_mutex_lock(&private_display->lock);
1209
1210         tdm_output_remove_commit_handler_internal(output, func, user_data);
1211
1212         _pthread_mutex_unlock(&private_display->lock);
1213
1214         return ret;
1215 }
1216
1217 INTERN tdm_error
1218 tdm_output_commit_internal(tdm_output *output, int sync, tdm_output_commit_handler func, void *user_data)
1219 {
1220         tdm_private_output *private_output;
1221         tdm_private_module *private_module;
1222         tdm_func_output *func_output;
1223         tdm_private_output_commit_handler *output_commit_handler = NULL;
1224         tdm_private_layer *private_layer = NULL;
1225         tdm_output_dpms dpms_value = TDM_OUTPUT_DPMS_ON;
1226         tdm_error ret = TDM_ERROR_NONE;
1227
1228         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER);
1229
1230         private_output = (tdm_private_output*)output;
1231         private_module = private_output->private_module;
1232         func_output = &private_module->func_output;
1233
1234         if (!func_output->output_commit) {
1235                 /* LCOV_EXCL_START */
1236                 TDM_WRN("not implemented!!");
1237                 return TDM_ERROR_NOT_IMPLEMENTED;
1238                 /* LCOV_EXCL_STOP */
1239         }
1240
1241         ret = tdm_output_get_dpms_internal(output, &dpms_value);
1242         TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
1243
1244         if (!TDM_OUTPUT_DPMS_VSYNC_IS_OFF(dpms_value)) {
1245                 if (!private_output->regist_commit_cb) {
1246                         private_output->regist_commit_cb = 1;
1247                         ret = func_output->output_set_commit_handler(private_output->output_backend, _tdm_output_cb_commit);
1248                         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
1249                 }
1250
1251                 output_commit_handler = calloc(1, sizeof(tdm_private_output_commit_handler));
1252                 if (!output_commit_handler) {
1253                         /* LCOV_EXCL_START */
1254                         TDM_ERR("failed: alloc memory");
1255                         return TDM_ERROR_OUT_OF_MEMORY;
1256                         /* LCOV_EXCL_STOP */
1257                 }
1258
1259                 ret = tdm_thread_cb_add(private_output, TDM_THREAD_CB_OUTPUT_COMMIT, output_commit_handler, _tdm_output_thread_cb_commit, NULL);
1260                 if (ret != TDM_ERROR_NONE) {
1261                         TDM_ERR("tdm_thread_cb_add failed");
1262                         free(output_commit_handler);
1263                         return ret;
1264                 }
1265
1266                 LIST_ADDTAIL(&output_commit_handler->link, &private_output->output_commit_handler_list);
1267                 output_commit_handler->private_output = private_output;
1268                 output_commit_handler->func = func;
1269                 output_commit_handler->user_data = user_data;
1270                 output_commit_handler->owner_tid = syscall(SYS_gettid);
1271
1272                 ret = func_output->output_commit(private_output->output_backend, sync,
1273                                 output_commit_handler);
1274                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
1275
1276                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
1277                         TDM_INFO("output(%d) backend commit: handle(%p) func(%p) user_data(%p)",
1278                                         private_output->pipe, output_commit_handler, func, user_data);
1279         }
1280
1281         /* Even if DPMS is off, committed_buffer should be changed because it will be referred
1282          * for tdm_layer_committed() function.
1283          */
1284         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
1285                 if (!private_layer->waiting_buffer)
1286                         continue;
1287
1288                 if (private_layer->committed_buffer) {
1289                         tdm_layer_free_buffer(private_layer, private_layer->committed_buffer);
1290                         private_layer->committed_buffer = NULL;
1291                         if (tdm_debug_module & TDM_DEBUG_BUFFER)
1292                                 TDM_INFO("layer(%p) waiting_buffer(%p) committed_buffer(%p)",
1293                                                  private_layer, private_layer->waiting_buffer->buffer,
1294                                                  private_layer->committed_buffer);
1295                 }
1296
1297                 private_layer->committed_buffer = private_layer->waiting_buffer;
1298                 private_layer->waiting_buffer = NULL;
1299                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
1300                         TDM_INFO("layer(%p) waiting_buffer(%p) committed_buffer(%p)",
1301                                          private_layer, private_layer->waiting_buffer,
1302                                          private_layer->committed_buffer->buffer);
1303         }
1304
1305         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(dpms_value)) {
1306                 TDM_WRN("dpms %s. Directly call commit handler instead of commit.", tdm_dpms_str(dpms_value));
1307                 if (func)
1308                         func(output, 0, 0, 0, user_data);
1309         }
1310
1311         return ret;
1312
1313 commit_failed:
1314         /* LCOV_EXCL_START */
1315         if (output_commit_handler) {
1316                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_COMMIT, output_commit_handler, _tdm_output_thread_cb_commit, NULL);
1317                 LIST_DEL(&output_commit_handler->link);
1318                 free(output_commit_handler);
1319         }
1320         return ret;
1321         /* LCOV_EXCL_STOP */
1322 }
1323
1324 EXTERN tdm_error
1325 tdm_output_commit(tdm_output *output, int sync, tdm_output_commit_handler func,
1326                                   void *user_data)
1327 {
1328         tdm_private_layer *private_layer = NULL;
1329
1330         OUTPUT_FUNC_ENTRY();
1331
1332         _pthread_mutex_lock(&private_display->lock);
1333
1334         if (private_output->commit_type == TDM_COMMIT_TYPE_NONE)
1335                 private_output->commit_type = TDM_COMMIT_TYPE_OUTPUT;
1336         else if (private_output->commit_type == TDM_COMMIT_TYPE_LAYER) {
1337                 TDM_ERR("Can't supported. Use tdm_layer_commit");
1338                 _pthread_mutex_unlock(&private_display->lock);
1339                 return TDM_ERROR_BAD_REQUEST;
1340         }
1341
1342         if (private_output->commit_per_vblank) {
1343                 TDM_ERR("Use tdm_layer_commit");
1344                 _pthread_mutex_unlock(&private_display->lock);
1345                 return TDM_ERROR_BAD_REQUEST;
1346         }
1347
1348         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
1349                 TDM_ERR("output(%d) dpms: %s", private_output->pipe,
1350                                 tdm_dpms_str(private_output->current_dpms_value));
1351                 _pthread_mutex_unlock(&private_display->lock);
1352                 return TDM_ERROR_DPMS_OFF;
1353         }
1354
1355         if (tdm_debug_module & TDM_DEBUG_COMMIT)
1356                 TDM_INFO("output(%d) commit", private_output->pipe);
1357
1358         /* apply the pending data of all layers */
1359         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
1360                 tdm_layer_commit_pending_data(private_layer);
1361         }
1362
1363         ret = tdm_output_commit_internal(output, sync, func, user_data);
1364
1365         _pthread_mutex_unlock(&private_display->lock);
1366
1367         return ret;
1368 }
1369
1370 EXTERN tdm_error
1371 tdm_output_set_mode(tdm_output *output, const tdm_output_mode *mode)
1372 {
1373         tdm_private_module *private_module;
1374         tdm_func_output *func_output;
1375         OUTPUT_FUNC_ENTRY();
1376
1377         TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
1378
1379         _pthread_mutex_lock(&private_display->lock);
1380
1381         private_module = private_output->private_module;
1382         func_output = &private_module->func_output;
1383
1384         if (!func_output->output_set_mode) {
1385                 /* LCOV_EXCL_START */
1386                 _pthread_mutex_unlock(&private_display->lock);
1387                 TDM_WRN("not implemented!!");
1388                 return TDM_ERROR_NOT_IMPLEMENTED;
1389                 /* LCOV_EXCL_STOP */
1390         }
1391
1392         ret = func_output->output_set_mode(private_output->output_backend, mode);
1393         if (ret == TDM_ERROR_NONE) {
1394                 private_output->current_mode = mode;
1395                 private_output->need_set_target_info = 1;
1396                 TDM_INFO("mode: %dx%d %dhz", mode->hdisplay, mode->vdisplay, mode->vrefresh);
1397         }
1398
1399         _pthread_mutex_unlock(&private_display->lock);
1400
1401         return ret;
1402 }
1403
1404 EXTERN tdm_error
1405 tdm_output_get_mode(tdm_output *output, const tdm_output_mode **mode)
1406 {
1407         OUTPUT_FUNC_ENTRY();
1408
1409         TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
1410
1411         _pthread_mutex_lock(&private_display->lock);
1412
1413         *mode = private_output->current_mode;
1414
1415         _pthread_mutex_unlock(&private_display->lock);
1416
1417         return ret;
1418 }
1419
1420 EXTERN tdm_error
1421 tdm_output_set_dpms(tdm_output *output, tdm_output_dpms dpms_value)
1422 {
1423         tdm_private_module *private_module;
1424         tdm_func_output *func_output;
1425         OUTPUT_FUNC_ENTRY();
1426
1427         if (dpms_value > TDM_OUTPUT_DPMS_OFF) {
1428                 if (dpms_value & TDM_OUTPUT_DPMS_DEFAULT_MASK) {
1429                         TDM_ERR("Don't use the low-4bit for an extended DPMS mode: dpms_value(%x)", dpms_value);
1430                         return TDM_ERROR_BAD_REQUEST;
1431                 }
1432
1433                 if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_EXTENDED_DPMS)) {
1434                         TDM_ERR("output(%d) doesn't support the extended DPMS control: '%s'",
1435                                         private_output->pipe, tdm_dpms_str(dpms_value));
1436                         return TDM_ERROR_BAD_REQUEST;
1437                 }
1438         }
1439
1440         _pthread_mutex_lock(&private_display->lock);
1441
1442         if (private_output->waiting_dpms_change) {
1443                 TDM_ERR("DPMS is not changed yet. Can't be changed twice");
1444                 _pthread_mutex_unlock(&private_display->lock);
1445                 return TDM_ERROR_BAD_REQUEST;
1446         }
1447
1448         private_module = private_output->private_module;
1449         func_output = &private_module->func_output;
1450
1451         TDM_INFO("output(%d) dpms '%s'", private_output->pipe, tdm_dpms_str(dpms_value));
1452
1453         if (func_output->output_set_dpms)
1454                 ret = func_output->output_set_dpms(private_output->output_backend, dpms_value);
1455         else {
1456                 /* LCOV_EXCL_START */
1457                 ret = TDM_ERROR_NONE;
1458                 TDM_WRN("not implemented!!");
1459                 goto done;
1460                 /* LCOV_EXCL_STOP */
1461         }
1462
1463 done:
1464         if (ret == TDM_ERROR_NONE) {
1465                 if (private_output->current_dpms_value != dpms_value) {
1466                         private_output->current_dpms_value = dpms_value;
1467                         _tdm_output_call_thread_cb_dpms(private_output, dpms_value);
1468                 }
1469                 TDM_INFO("output(%d) dpms '%s' done", private_output->pipe, tdm_dpms_str(dpms_value));
1470         } else {
1471                 tdm_output_dpms temp = TDM_OUTPUT_DPMS_OFF;
1472
1473                 /* update current_dpms_value forcely */
1474                 tdm_output_get_dpms_internal(output, &temp);
1475
1476                 TDM_ERR("output(%d) set_dpms failed: dpms '%s'", private_output->pipe, tdm_dpms_str(temp));
1477         }
1478
1479         _pthread_mutex_unlock(&private_display->lock);
1480
1481         return ret;
1482 }
1483
1484 /* LCOV_EXCL_START */
1485 EXTERN tdm_error
1486 tdm_output_set_dpms_async(tdm_output *output, tdm_output_dpms dpms_value)
1487 {
1488         tdm_private_module *private_module;
1489         tdm_func_output *func_output;
1490         OUTPUT_FUNC_ENTRY();
1491
1492         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_ASYNC_DPMS)) {
1493                 TDM_ERR("output doesn't support the asynchronous DPMS control!");
1494                 return TDM_ERROR_BAD_REQUEST;
1495         }
1496
1497         if (dpms_value > TDM_OUTPUT_DPMS_OFF) {
1498                 if (dpms_value & TDM_OUTPUT_DPMS_DEFAULT_MASK) {
1499                         TDM_ERR("Don't use the low-4bit for an extended DPMS mode: dpms_value(%x)", dpms_value);
1500                         return TDM_ERROR_BAD_REQUEST;
1501                 }
1502
1503                 if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_EXTENDED_DPMS)) {
1504                         TDM_ERR("output(%d) doesn't support the extended DPMS control: '%s'",
1505                                         private_output->pipe, tdm_dpms_str(dpms_value));
1506                         return TDM_ERROR_BAD_REQUEST;
1507                 }
1508         }
1509
1510         _pthread_mutex_lock(&private_display->lock);
1511
1512         if (private_output->waiting_dpms_change) {
1513                 TDM_ERR("DPMS is not changed yet. Can't be changed twice");
1514                 _pthread_mutex_unlock(&private_display->lock);
1515                 return TDM_ERROR_BAD_REQUEST;
1516         }
1517
1518         private_module = private_output->private_module;
1519         func_output = &private_module->func_output;
1520         if (!func_output->output_set_dpms_handler) {
1521                 TDM_WRN("not implemented: output_set_dpms_handler");
1522                 _pthread_mutex_unlock(&private_display->lock);
1523                 return TDM_ERROR_NOT_IMPLEMENTED;
1524         }
1525
1526         if (!func_output->output_set_dpms_async) {
1527                 TDM_WRN("not implemented: output_set_dpms_async");
1528                 _pthread_mutex_unlock(&private_display->lock);
1529                 return TDM_ERROR_NOT_IMPLEMENTED;
1530         }
1531
1532         if (!private_output->regist_dpms_cb) {
1533                 private_output->regist_dpms_cb = 1;
1534                 ret = func_output->output_set_dpms_handler(private_output->output_backend,
1535                                 tdm_output_cb_dpms, private_output);
1536                 if (ret != TDM_ERROR_NONE) {
1537                         _pthread_mutex_unlock(&private_display->lock);
1538                         TDM_ERR("Can't set the dpms handler!!");
1539                         return ret;
1540                 }
1541         }
1542
1543         TDM_INFO("output(%d) dpms async '%s'", private_output->pipe, tdm_dpms_str(dpms_value));
1544
1545         ret = func_output->output_set_dpms_async(private_output->output_backend, dpms_value);
1546
1547         if (ret == TDM_ERROR_NONE) {
1548                 private_output->waiting_dpms_change = 1;
1549                 TDM_INFO("output(%d) dpms async '%s' waiting", private_output->pipe, tdm_dpms_str(dpms_value));
1550         } else {
1551                 tdm_output_dpms temp = TDM_OUTPUT_DPMS_OFF;
1552
1553                 /* update current_dpms_value forcely */
1554                 tdm_output_get_dpms_internal(output, &temp);
1555
1556                 TDM_ERR("output(%d) set_dpms_async failed: dpms '%s'", private_output->pipe, tdm_dpms_str(temp));
1557         }
1558
1559         _pthread_mutex_unlock(&private_display->lock);
1560
1561         return ret;
1562 }
1563 /* LCOV_EXCL_STOP */
1564
1565 INTERN tdm_error
1566 tdm_output_get_dpms_internal(tdm_output *output, tdm_output_dpms *dpms_value)
1567 {
1568         tdm_private_output *private_output;
1569         tdm_private_module *private_module;
1570         tdm_func_output *func_output;
1571         tdm_error ret = TDM_ERROR_NONE;
1572
1573         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER);
1574
1575         private_output = (tdm_private_output*)output;
1576
1577         /* TODO: this is ugly. But before calling backend's output_get_dpms(), we have
1578          * to check if all backends's DPMS operation has no problem. In future, we'd
1579          * better use new env instead of using commit_per_vblank variable to distinguish
1580          * whether we use the stored value or backend's output_get_dpms.
1581          */
1582         if (!private_output->commit_per_vblank) {
1583                 *dpms_value = private_output->current_dpms_value;
1584                 return TDM_ERROR_NONE;
1585         }
1586
1587         private_module = private_output->private_module;
1588         func_output = &private_module->func_output;
1589
1590         if (!func_output->output_get_dpms) {
1591                 /* LCOV_EXCL_START */
1592                 *dpms_value = private_output->current_dpms_value;
1593                 TDM_WRN("not implemented!!");
1594                 return TDM_ERROR_NONE;
1595                 /* LCOV_EXCL_STOP */
1596         }
1597
1598         ret = func_output->output_get_dpms(private_output->output_backend, dpms_value);
1599         if (ret != TDM_ERROR_NONE) {
1600                 /* LCOV_EXCL_START */
1601                 TDM_ERR("output_get_dpms failed");
1602                 *dpms_value = TDM_OUTPUT_DPMS_OFF;
1603                 /* LCOV_EXCL_STOP */
1604         }
1605
1606         /* checking with backend's value */
1607         if (*dpms_value != private_output->current_dpms_value) {
1608                 TDM_ERR("output(%d) dpms changed suddenly: %s -> %s",
1609                                 private_output->pipe, tdm_dpms_str(private_output->current_dpms_value),
1610                                 tdm_dpms_str(*dpms_value));
1611                 private_output->current_dpms_value = *dpms_value;
1612                 _tdm_output_call_thread_cb_dpms(private_output, *dpms_value);
1613         }
1614
1615         return ret;
1616 }
1617
1618 EXTERN tdm_error
1619 tdm_output_get_dpms(tdm_output *output, tdm_output_dpms *dpms_value)
1620 {
1621         OUTPUT_FUNC_ENTRY();
1622
1623         TDM_RETURN_VAL_IF_FAIL(dpms_value != NULL, TDM_ERROR_INVALID_PARAMETER);
1624
1625         _pthread_mutex_lock(&private_display->lock);
1626
1627         ret = tdm_output_get_dpms_internal(output, dpms_value);
1628
1629         _pthread_mutex_unlock(&private_display->lock);
1630
1631         return ret;
1632 }
1633
1634 EXTERN tdm_error
1635 tdm_output_has_capture_capability(tdm_output *output, unsigned int *has_capability)
1636 {
1637         tdm_private_module *private_module;
1638
1639         OUTPUT_FUNC_ENTRY();
1640
1641         TDM_RETURN_VAL_IF_FAIL(has_capability != NULL, TDM_ERROR_INVALID_PARAMETER);
1642
1643         _pthread_mutex_lock(&private_display->lock);
1644
1645         private_module = private_output->private_module;
1646
1647         if (!(private_module->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE))
1648                 *has_capability = 0;
1649         else if (!(private_module->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_OUTPUT))
1650                 *has_capability = 0;
1651         else
1652                 *has_capability = 1;
1653
1654         _pthread_mutex_unlock(&private_display->lock);
1655
1656         return ret;
1657 }
1658
1659 EXTERN tdm_capture *
1660 tdm_output_create_capture(tdm_output *output, tdm_error *error)
1661 {
1662         tdm_capture *capture = NULL;
1663
1664         OUTPUT_FUNC_ENTRY_ERROR();
1665
1666         _pthread_mutex_lock(&private_display->lock);
1667
1668         capture = (tdm_capture *)tdm_capture_create_output_internal(private_output, error);
1669
1670         _pthread_mutex_unlock(&private_display->lock);
1671
1672         return capture;
1673 }
1674
1675 EXTERN tdm_hwc *
1676 tdm_output_get_hwc(tdm_output *output, tdm_error *error)
1677 {
1678         tdm_private_hwc *private_hwc = NULL;
1679
1680         OUTPUT_FUNC_ENTRY_ERROR();
1681
1682         _pthread_mutex_lock(&private_display->lock);
1683
1684         private_hwc = private_output->private_hwc;
1685         if (!private_hwc) {
1686                 if (error)
1687                         *error = TDM_ERROR_BAD_REQUEST;
1688                 _pthread_mutex_unlock(&private_display->lock);
1689                 return NULL;
1690         }
1691
1692         if (error)
1693                 *error = TDM_ERROR_NONE;
1694
1695         _pthread_mutex_unlock(&private_display->lock);
1696
1697         return private_hwc;
1698 }
1699
1700 INTERN tdm_error
1701 tdm_output_choose_commit_per_vblank_mode(tdm_private_output *private_output, int mode)
1702 {
1703         if (!private_output)
1704                 return TDM_ERROR_INVALID_PARAMETER;
1705
1706         if (mode < 0 || mode > 2)
1707                 return TDM_ERROR_INVALID_PARAMETER;
1708
1709         private_output->commit_per_vblank = mode;
1710
1711         if (private_output->commit_per_vblank == 0)
1712                 TDM_INFO("commit per vblank: disable");
1713         else if (private_output->commit_per_vblank == 1)
1714                 TDM_INFO("commit per vblank: enable (1 layer)");
1715         else if (private_output->commit_per_vblank == 2)
1716                 TDM_INFO("commit per vblank: enable (previous commit)");
1717
1718         return TDM_ERROR_NONE;
1719 }
1720 /* LCOV_EXCL_STOP */