src/tdm_pp.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 PP_FUNC_ENTRY() \
  43         tdm_private_module *private_module; \
  44         tdm_func_pp *func_pp; \
  45         tdm_private_display *private_display; \
  46         tdm_private_pp *private_pp; \
  47         tdm_error ret = TDM_ERROR_NONE; \
  48         TDM_RETURN_VAL_IF_FAIL(pp != NULL, TDM_ERROR_INVALID_PARAMETER); \
  49         private_pp = (tdm_private_pp*)pp; \
  50         private_display = private_pp->private_display; \
  51         private_module = private_pp->private_module; \
  52         func_pp = &private_module->func_pp
  53
  54 static void
  55 _tdm_pp_print_list(struct list_head *list)
  56 {
  57         tdm_pp_private_buffer *b = NULL;
  58         char str[512], *p;
  59         int len = sizeof(str);
  60
  61         TDM_RETURN_IF_FAIL(list != NULL);
  62
  63         str[0] = '\0';
  64         p = str;
  65         LIST_FOR_EACH_ENTRY(b, list, link) {
  66                 if (len > 0) {
  67                         tbm_bo src_bo = tbm_surface_internal_get_bo(b->src, 0);
  68                         tbm_bo dst_bo = tbm_surface_internal_get_bo(b->dst, 0);
  69                         int src_flags = tbm_bo_get_flags(src_bo);
  70                         int dst_flags = tbm_bo_get_flags(dst_bo);
  71                         int l = snprintf(p, len, " (%p[bo_flags:%x], %p[bo_flags:%x])",
  72                                                          b->src, src_flags, b->dst, dst_flags);
  73                         p += l;
  74                         len -= l;
  75                 } else
  76                         break;
  77         }
  78
  79         TDM_INFO("\t %s", str);
  80 }
  81
  82 static tdm_pp_private_buffer *
  83 _tdm_pp_find_tbm_buffers(struct list_head *list, tbm_surface_h src, tbm_surface_h dst)
  84 {
  85         tdm_pp_private_buffer *b = NULL, *bb = NULL;
  86
  87         LIST_FOR_EACH_ENTRY_SAFE(b, bb, list, link) {
  88                 if (b->src == src && b->dst == dst)
  89                         return b;
  90         }
  91
  92         return NULL;
  93 }
  94
  95 static tdm_pp_private_buffer *
  96 _tdm_pp_find_buffer(struct list_head *list, tdm_pp_private_buffer *pp_buffer)
  97 {
  98         tdm_pp_private_buffer *b = NULL, *bb = NULL;
  99
 100         LIST_FOR_EACH_ENTRY_SAFE(b, bb, list, link) {
 101                 if (b == pp_buffer)
 102                         return b;
 103         }
 104
 105         return NULL;
 106 }
 107
 108 static void
 109 _tdm_pp_thread_cb_done(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
 110 {
 111         tdm_thread_cb_pp_done *pp_done = (tdm_thread_cb_pp_done *)cb_base;
 112         tdm_private_pp *private_pp = object;
 113         tdm_pp_private_buffer *pp_buffer = NULL, *first_entry = NULL;
 114         tbm_surface_h src;
 115         tbm_surface_h dst;
 116
 117         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 118
 119         assert(private_pp->owner_tid == syscall(SYS_gettid));
 120
 121         src = pp_done->src;
 122         dst = pp_done->dst;
 123
 124         if (tdm_debug_dump & TDM_DUMP_FLAG_PP) {
 125                 /* LCOV_EXCL_START */
 126                 char str[TDM_PATH_LEN];
 127                 static int i;
 128                 snprintf(str, TDM_PATH_LEN, "pp_dst_%03d", i++);
 129                 tdm_helper_dump_buffer_str(dst, tdm_debug_dump_dir, str);
 130                 /* LCOV_EXCL_STOP */
 131         }
 132
 133         if (!LIST_IS_EMPTY(&private_pp->buffer_list)) {
 134                 first_entry = container_of((&private_pp->buffer_list)->next, pp_buffer, link);
 135                 if (first_entry->src != src || first_entry->dst != dst)
 136                         TDM_ERR("buffer(%p,%p) is skipped", first_entry->src, first_entry->dst);
 137         } else {
 138                 TDM_NEVER_GET_HERE();
 139         }
 140
 141         if ((pp_buffer = _tdm_pp_find_tbm_buffers(&private_pp->buffer_list, src, dst))) {
 142                 LIST_DEL(&pp_buffer->link);
 143                 LIST_DELINIT(&pp_buffer->commit_link);
 144
 145                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
 146                         TDM_INFO("pp(%p) done: src(%p) dst(%p)", private_pp, src, dst);
 147
 148                 if (tdm_ttrace_module & TDM_TTRACE_PP) {
 149                         tbm_bo bo = tbm_surface_internal_get_bo(dst, 0);
 150                         TDM_TRACE_ASYNC_END((intptr_t)private_pp, "[PP] %d", tbm_bo_export(bo));
 151                 }
 152
 153                 _pthread_mutex_unlock(&private_display->lock);
 154                 if (private_pp->done_func)
 155                         private_pp->done_func(private_pp, src, dst, private_pp->done_user_data);
 156                 tdm_buffer_unref_backend(src);
 157                 tdm_buffer_unref_backend(dst);
 158                 _pthread_mutex_lock(&private_display->lock);
 159
 160                 free(pp_buffer);
 161         }
 162 }
 163
 164 static void
 165 _tdm_pp_cb_done(tdm_pp *pp_module, tbm_surface_h src, tbm_surface_h dst, void *user_data)
 166 {
 167         tdm_thread_cb_pp_done pp_done;
 168         tdm_private_pp *private_pp = user_data;
 169         tdm_error ret;
 170
 171         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 172
 173         memset(&pp_done, 0, sizeof pp_done);
 174         pp_done.base.type = TDM_THREAD_CB_PP_DONE;
 175         pp_done.base.length = sizeof pp_done;
 176         pp_done.base.object_stamp = private_pp->stamp;
 177         pp_done.base.data = NULL;
 178         pp_done.base.sync = 0;
 179         pp_done.src = src;
 180         pp_done.dst = dst;
 181
 182         ret = tdm_thread_cb_call(private_pp, &pp_done.base, 1);
 183         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 184 }
 185
 186 static void
 187 _tdm_pp_cb_done_hal_tdm(hal_tdm_pp *pp_module, tbm_surface_h src, tbm_surface_h dst, void *user_data)
 188 {
 189         tdm_thread_cb_pp_done pp_done;
 190         tdm_private_pp *private_pp = user_data;
 191         tdm_error ret;
 192
 193         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 194
 195         memset(&pp_done, 0, sizeof pp_done);
 196         pp_done.base.type = TDM_THREAD_CB_PP_DONE;
 197         pp_done.base.length = sizeof pp_done;
 198         pp_done.base.object_stamp = private_pp->stamp;
 199         pp_done.base.data = NULL;
 200         pp_done.base.sync = 0;
 201         pp_done.src = src;
 202         pp_done.dst = dst;
 203
 204         ret = tdm_thread_cb_call(private_pp, &pp_done.base, 1);
 205         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 206 }
 207
 208 static void *
 209 _tdm_pp_find_object(tdm_private_display *private_display, double stamp)
 210 {
 211         tdm_private_module *private_module = NULL;
 212         tdm_private_pp *private_pp = NULL;
 213
 214         TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), NULL);
 215
 216         LIST_FOR_EACH_ENTRY(private_module, &private_display->module_list, link) {
 217                 LIST_FOR_EACH_ENTRY(private_pp, &private_module->pp_list, link) {
 218                         if (private_pp->stamp == stamp)
 219                                 return private_pp;
 220                 }
 221         }
 222
 223         return NULL;
 224 }
 225
 226 INTERN tdm_error
 227 tdm_pp_init(tdm_private_display *private_display)
 228 {
 229         tdm_thread_cb_set_find_func(TDM_THREAD_CB_PP_DONE, _tdm_pp_find_object);
 230
 231         return TDM_ERROR_NONE;
 232 }
 233
 234 INTERN tdm_private_pp *
 235 tdm_pp_create_internal(tdm_private_module *private_module, tdm_error *error)
 236 {
 237         tdm_private_display *private_display;
 238         tdm_func_display *func_display;
 239         tdm_func_pp *func_pp;
 240         tdm_private_pp *private_pp = NULL;
 241         tdm_pp *pp_module = NULL;
 242         tdm_error ret = TDM_ERROR_NONE;
 243
 244         TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), NULL);
 245         TDM_RETURN_VAL_IF_FAIL(private_module != NULL, NULL);
 246
 247         if (!(private_module->capabilities & TDM_DISPLAY_CAPABILITY_PP)) {
 248                 /* LCOV_EXCL_START */
 249                 TDM_ERR("backend no pp capability");
 250                 if (error)
 251                         *error = TDM_ERROR_NO_CAPABILITY;
 252                 return NULL;
 253                 /* LCOV_EXCL_STOP */
 254         }
 255
 256         private_display = private_module->private_display;
 257         func_display = &private_module->func_display;
 258         func_pp = &private_module->func_pp;
 259
 260         if (private_module->use_hal_tdm) {
 261                 pp_module = (tdm_pp *)hal_tdm_display_create_pp(private_module->htdm_dpy, (hal_tdm_error *)&ret);
 262         } else {
 263                 pp_module = func_display->display_create_pp(private_module->bdata, &ret);
 264         }
 265         if (ret != TDM_ERROR_NONE) {
 266                 /* LCOV_EXCL_START */
 267                 TDM_ERR("create pp fail");
 268                 if (error)
 269                         *error = ret;
 270                 return NULL;
 271                 /* LCOV_EXCL_STOP */
 272         }
 273
 274         private_pp = calloc(1, sizeof(tdm_private_pp));
 275         if (!private_pp) {
 276                 /* LCOV_EXCL_START */
 277                 TDM_ERR("memory alloc fail");
 278                 if (error)
 279                         *error = TDM_ERROR_OUT_OF_MEMORY;
 280                 goto alloc_fail;
 281                 /* LCOV_EXCL_STOP */
 282         }
 283
 284         ret = tdm_thread_cb_add(private_pp, TDM_THREAD_CB_PP_DONE, NULL, _tdm_pp_thread_cb_done, NULL);
 285         if (ret != TDM_ERROR_NONE) {
 286                 /* LCOV_EXCL_START */
 287                 TDM_ERR("pp tdm_thread_cb_add failed");
 288                 if (error)
 289                         *error = ret;
 290                 goto thread_fail;
 291                 /* LCOV_EXCL_STOP */
 292         }
 293
 294         if (private_module->use_hal_tdm)
 295                 ret = (tdm_error)hal_tdm_pp_set_done_handler((hal_tdm_pp *)pp_module, _tdm_pp_cb_done_hal_tdm, private_pp);
 296         else
 297                 ret = func_pp->pp_set_done_handler(pp_module, _tdm_pp_cb_done, private_pp);
 298         if (ret != TDM_ERROR_NONE) {
 299                 /* LCOV_EXCL_START */
 300                 TDM_ERR("spp(%p) et pp_done_handler failed", private_pp);
 301                 if (error)
 302                         *error = ret;
 303                 goto thread_fail;
 304                 /* LCOV_EXCL_STOP */
 305         }
 306
 307         private_pp->stamp = tdm_helper_get_time();
 308         while (_tdm_pp_find_object(private_display, private_pp->stamp))
 309                 private_pp->stamp++;
 310
 311         LIST_ADD(&private_pp->link, &private_module->pp_list);
 312         private_pp->private_display = private_module->private_display;
 313         private_pp->private_module = private_module;
 314         private_pp->pp_module = pp_module;
 315         private_pp->owner_tid = syscall(SYS_gettid);
 316
 317         LIST_INITHEAD(&private_pp->pending_buffer_list);
 318         LIST_INITHEAD(&private_pp->buffer_list);
 319
 320         if (error)
 321                 *error = TDM_ERROR_NONE;
 322
 323         return private_pp;
 324
 325 thread_fail:
 326         free(private_pp);
 327 alloc_fail:
 328         if (private_module->use_hal_tdm)
 329                 hal_tdm_pp_destroy((hal_tdm_pp *)pp_module);
 330         else
 331                 func_pp->pp_destroy(pp_module);
 332
 333         return NULL;
 334 }
 335
 336 INTERN void
 337 tdm_pp_destroy_internal(tdm_private_pp *private_pp)
 338 {
 339         tdm_private_display *private_display;
 340         tdm_private_module *private_module;
 341         tdm_func_pp *func_pp;
 342         tdm_pp_private_buffer *b = NULL, *bb = NULL;
 343         struct list_head clone_list;
 344
 345         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 346
 347         if (!private_pp)
 348                 return;
 349
 350         tdm_thread_cb_remove(private_pp, TDM_THREAD_CB_PP_DONE, NULL, _tdm_pp_thread_cb_done, NULL);
 351
 352         private_display = private_pp->private_display;
 353         private_module = private_pp->private_module;
 354         func_pp = &private_module->func_pp;
 355
 356         LIST_DEL(&private_pp->link);
 357
 358         if (private_module->use_hal_tdm)
 359                 hal_tdm_pp_destroy((hal_tdm_pp *)private_pp->pp_module);
 360         else
 361                 func_pp->pp_destroy(private_pp->pp_module);
 362
 363         if (!LIST_IS_EMPTY(&private_pp->pending_buffer_list)) {
 364                 TDM_WRN("pp(%p) not finished:", private_pp);
 365                 _tdm_pp_print_list(&private_pp->pending_buffer_list);
 366
 367                 LIST_INITHEAD(&clone_list);
 368                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_pp->pending_buffer_list, link) {
 369                         LIST_DEL(&b->link);
 370                         LIST_ADDTAIL(&b->link, &clone_list);
 371                 }
 372
 373                 _pthread_mutex_unlock(&private_display->lock);
 374                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &clone_list, link) {
 375                         LIST_DEL(&b->link);
 376
 377                         if (tdm_ttrace_module & TDM_TTRACE_PP) {
 378                                 tbm_bo bo = tbm_surface_internal_get_bo(b->dst, 0);
 379                                 TDM_TRACE_ASYNC_END((intptr_t)private_pp, "[PP] %d", tbm_bo_export(bo));
 380                         }
 381
 382                         tdm_buffer_unref_backend(b->src);
 383                         tdm_buffer_unref_backend(b->dst);
 384                         free(b);
 385                 }
 386                 _pthread_mutex_lock(&private_display->lock);
 387         }
 388
 389         if (!LIST_IS_EMPTY(&private_pp->buffer_list)) {
 390                 TDM_WRN("pp(%p) not finished:", private_pp);
 391                 _tdm_pp_print_list(&private_pp->buffer_list);
 392
 393                 LIST_INITHEAD(&clone_list);
 394                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_pp->buffer_list, link) {
 395                         LIST_DEL(&b->link);
 396                         LIST_ADDTAIL(&b->link, &clone_list);
 397                 }
 398
 399                 _pthread_mutex_unlock(&private_display->lock);
 400                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &clone_list, link) {
 401                         LIST_DEL(&b->link);
 402
 403                         if (tdm_ttrace_module & TDM_TTRACE_PP) {
 404                                 tbm_bo bo = tbm_surface_internal_get_bo(b->dst, 0);
 405                                 TDM_TRACE_ASYNC_END((intptr_t)private_pp, "[PP] %d", tbm_bo_export(bo));
 406                         }
 407
 408                         tdm_buffer_unref_backend(b->src);
 409                         tdm_buffer_unref_backend(b->dst);
 410                         free(b);
 411                 }
 412                 _pthread_mutex_lock(&private_display->lock);
 413         }
 414
 415         private_pp->stamp = 0;
 416         free(private_pp);
 417 }
 418
 419 EXTERN void
 420 tdm_pp_destroy(tdm_pp *pp)
 421 {
 422         tdm_private_pp *private_pp = pp;
 423         tdm_private_display *private_display;
 424
 425         if (!private_pp)
 426                 return;
 427
 428         private_display = private_pp->private_display;
 429
 430         _pthread_mutex_lock(&private_display->lock);
 431         tdm_pp_destroy_internal(private_pp);
 432         _pthread_mutex_unlock(&private_display->lock);
 433 }
 434
 435 EXTERN tdm_error
 436 tdm_pp_set_info(tdm_pp *pp, tdm_info_pp *info)
 437 {
 438         PP_FUNC_ENTRY();
 439
 440         TDM_RETURN_VAL_IF_FAIL(info != NULL, TDM_ERROR_INVALID_PARAMETER);
 441
 442         _pthread_mutex_lock(&private_display->lock);
 443
 444         if (!private_module->use_hal_tdm) {
 445                 if (!func_pp->pp_set_info) {
 446                         /* LCOV_EXCL_START */
 447                         _pthread_mutex_unlock(&private_display->lock);
 448                         TDM_DBG("failed: not implemented!!");
 449                         return TDM_ERROR_NOT_IMPLEMENTED;
 450                         /* LCOV_EXCL_STOP */
 451                 }
 452         }
 453
 454         TDM_INFO("pp(%p) info: src(%ux%u %u,%u %ux%u %c%c%c%c) dst(%ux%u %u,%u %ux%u %c%c%c%c) trans(%d) sync(%d) flags(%x)",
 455                          private_pp, info->src_config.size.h, info->src_config.size.v,
 456                          info->src_config.pos.x, info->src_config.pos.y,
 457                          info->src_config.pos.w, info->src_config.pos.h,
 458                          FOURCC_STR(info->src_config.format),
 459                          info->dst_config.size.h, info->dst_config.size.v,
 460                          info->dst_config.pos.x, info->dst_config.pos.y,
 461                          info->dst_config.pos.w, info->dst_config.pos.h,
 462                          FOURCC_STR(info->dst_config.format),
 463                          info->transform, info->sync, info->flags);
 464
 465         if (private_module->use_hal_tdm)
 466                 ret = (tdm_error)hal_tdm_pp_set_info((hal_tdm_pp *)private_pp->pp_module, (hal_tdm_info_pp *)info);
 467         else
 468                 ret = func_pp->pp_set_info(private_pp->pp_module, info);
 469         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 470
 471         private_pp->info = *info;
 472
 473         _pthread_mutex_unlock(&private_display->lock);
 474
 475         return ret;
 476 }
 477
 478 EXTERN tdm_error
 479 tdm_pp_set_done_handler(tdm_pp *pp, tdm_pp_done_handler func, void *user_data)
 480 {
 481         tdm_private_display *private_display;
 482         tdm_private_pp *private_pp;
 483         tdm_error ret = TDM_ERROR_NONE;
 484
 485         TDM_RETURN_VAL_IF_FAIL(pp != NULL, TDM_ERROR_INVALID_PARAMETER);
 486
 487         private_pp = (tdm_private_pp*)pp;
 488         private_display = private_pp->private_display;
 489
 490         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 491
 492         _pthread_mutex_lock(&private_display->lock);
 493
 494         private_pp->done_func = func;
 495         private_pp->done_user_data = user_data;
 496
 497         _pthread_mutex_unlock(&private_display->lock);
 498
 499         return ret;
 500 }
 501
 502 EXTERN tdm_error
 503 tdm_pp_attach(tdm_pp *pp, tbm_surface_h src, tbm_surface_h dst)
 504 {
 505         tdm_pp_private_buffer *pp_buffer;
 506
 507         PP_FUNC_ENTRY();
 508
 509         TDM_RETURN_VAL_IF_FAIL(src != NULL, TDM_ERROR_INVALID_PARAMETER);
 510         TDM_RETURN_VAL_IF_FAIL(dst != NULL, TDM_ERROR_INVALID_PARAMETER);
 511
 512         _pthread_mutex_lock(&private_display->lock);
 513
 514         if (!private_module->use_hal_tdm) {
 515                 if (!func_pp->pp_attach) {
 516                         /* LCOV_EXCL_START */
 517                         _pthread_mutex_unlock(&private_display->lock);
 518                         TDM_DBG("failed: not implemented!!");
 519                         return TDM_ERROR_NOT_IMPLEMENTED;
 520                         /* LCOV_EXCL_STOP */
 521                 }
 522         }
 523
 524         if (tdm_module_check_abi(private_module, 1, 2) &&
 525                 private_module->caps_pp.max_attach_count > 0) {
 526                 /* LCOV_EXCL_START */
 527                 int length = LIST_LENGTH(&private_pp->pending_buffer_list) +
 528                                          LIST_LENGTH(&private_pp->buffer_list);
 529                 if (length >= private_module->caps_pp.max_attach_count) {
 530                         _pthread_mutex_unlock(&private_display->lock);
 531                         TDM_DBG("failed: backend(%s) too many attached!! max_attach_count(%d)",
 532                                         private_module->module_data->name, private_module->caps_pp.max_attach_count);
 533                         return TDM_ERROR_BAD_REQUEST;
 534                 }
 535                 /* LCOV_EXCL_STOP */
 536         }
 537
 538         if (tdm_debug_dump & TDM_DUMP_FLAG_PP) {
 539                 /* LCOV_EXCL_START */
 540                 char str[TDM_PATH_LEN];
 541                 static int i;
 542                 snprintf(str, TDM_PATH_LEN, "pp_src_%03d", i++);
 543                 tdm_helper_dump_buffer_str(src, tdm_debug_dump_dir, str);
 544                 /* LCOV_EXCL_STOP */
 545         }
 546
 547         pp_buffer = calloc(1, sizeof * pp_buffer);
 548         if (!pp_buffer) {
 549                 /* LCOV_EXCL_START */
 550                 _pthread_mutex_unlock(&private_display->lock);
 551                 TDM_ERR("alloc failed");
 552                 return TDM_ERROR_OUT_OF_MEMORY;
 553                 /* LCOV_EXCL_STOP */
 554         }
 555
 556         if (private_module->use_hal_tdm)
 557                 ret = (tdm_error)hal_tdm_pp_attach((hal_tdm_pp *)private_pp->pp_module, src, dst);
 558         else
 559                 ret = func_pp->pp_attach(private_pp->pp_module, src, dst);
 560         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 561
 562         if (ret != TDM_ERROR_NONE) {
 563                 /* LCOV_EXCL_START */
 564                 free(pp_buffer);
 565                 _pthread_mutex_unlock(&private_display->lock);
 566                 TDM_ERR("attach failed");
 567                 return ret;
 568                 /* LCOV_EXCL_STOP */
 569         }
 570
 571         LIST_ADDTAIL(&pp_buffer->link, &private_pp->pending_buffer_list);
 572         pp_buffer->src = tdm_buffer_ref_backend(src);
 573         pp_buffer->dst = tdm_buffer_ref_backend(dst);
 574
 575         if (tdm_debug_module & TDM_DEBUG_BUFFER) {
 576                 TDM_INFO("pp(%p) attached:", private_pp);
 577                 _tdm_pp_print_list(&private_pp->pending_buffer_list);
 578         }
 579
 580         if (tdm_ttrace_module & TDM_TTRACE_PP) {
 581                 tbm_bo bo = tbm_surface_internal_get_bo(dst, 0);
 582                 TDM_TRACE_ASYNC_BEGIN((intptr_t)pp, "[PP] %d", tbm_bo_export(bo));
 583         }
 584
 585         _pthread_mutex_unlock(&private_display->lock);
 586
 587         return ret;
 588 }
 589
 590 EXTERN tdm_error
 591 tdm_pp_commit(tdm_pp *pp)
 592 {
 593         tdm_pp_private_buffer *b = NULL, *bb = NULL;
 594         struct list_head commit_buffer_list;
 595
 596         PP_FUNC_ENTRY();
 597
 598         _pthread_mutex_lock(&private_display->lock);
 599
 600         if (!private_module->use_hal_tdm) {
 601                 if (!func_pp->pp_commit) {
 602                         /* LCOV_EXCL_START */
 603                         _pthread_mutex_unlock(&private_display->lock);
 604                         TDM_DBG("failed: not implemented!!");
 605                         return TDM_ERROR_NOT_IMPLEMENTED;
 606                         /* LCOV_EXCL_STOP */
 607                 }
 608         }
 609
 610         LIST_INITHEAD(&commit_buffer_list);
 611
 612         LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_pp->pending_buffer_list, link) {
 613                 LIST_DEL(&b->link);
 614                 LIST_ADDTAIL(&b->link, &private_pp->buffer_list);
 615                 LIST_ADDTAIL(&b->commit_link, &commit_buffer_list);
 616         }
 617
 618         if (private_module->use_hal_tdm)
 619                 ret = (tdm_error)hal_tdm_pp_commit((hal_tdm_pp *)private_pp->pp_module);
 620         else
 621                 ret = func_pp->pp_commit(private_pp->pp_module);
 622         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 623
 624         LIST_FOR_EACH_ENTRY_SAFE(b, bb, &commit_buffer_list, commit_link) {
 625                 LIST_DELINIT(&b->commit_link);
 626
 627                 if (!_tdm_pp_find_buffer(&private_pp->buffer_list, b))
 628                         continue;
 629
 630                 if (ret != TDM_ERROR_NONE) {
 631                         _pthread_mutex_unlock(&private_display->lock);
 632                         tdm_buffer_unref_backend(b->src);
 633                         tdm_buffer_unref_backend(b->dst);
 634                         _pthread_mutex_lock(&private_display->lock);
 635                         LIST_DEL(&b->link);
 636
 637                         free(b);
 638                 }
 639         }
 640
 641         _pthread_mutex_unlock(&private_display->lock);
 642
 643         return ret;
 644 }