src/gallium/winsys/radeon/drm/radeon_drm_winsys.c

   1 /*
   2  * Copyright © 2009 Corbin Simpson
   3  * Copyright © 2011 Marek Olšák <maraeo@gmail.com>
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining
   7  * a copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  15  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  16  * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  17  * NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS
  18  * AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  *
  23  * The above copyright notice and this permission notice (including the
  24  * next paragraph) shall be included in all copies or substantial portions
  25  * of the Software.
  26  */
  27 /*
  28  * Authors:
  29  *      Corbin Simpson <MostAwesomeDude@gmail.com>
  30  *      Joakim Sindholt <opensource@zhasha.com>
  31  *      Marek Olšák <maraeo@gmail.com>
  32  */
  33
  34 #include "radeon_drm_bo.h"
  35 #include "radeon_drm_cs.h"
  36 #include "radeon_drm_public.h"
  37
  38 #include "pipebuffer/pb_bufmgr.h"
  39 #include "util/u_memory.h"
  40 #include "util/u_hash_table.h"
  41
  42 #include <xf86drm.h>
  43 #include <stdio.h>
  44
  45 /*
  46  * this are copy from radeon_drm, once an updated libdrm is released
  47  * we should bump configure.ac requirement for it and remove the following
  48  * field
  49  */
  50 #ifndef RADEON_INFO_TILING_CONFIG
  51 #define RADEON_INFO_TILING_CONFIG 6
  52 #endif
  53
  54 #ifndef RADEON_INFO_WANT_HYPERZ
  55 #define RADEON_INFO_WANT_HYPERZ 7
  56 #endif
  57
  58 #ifndef RADEON_INFO_WANT_CMASK
  59 #define RADEON_INFO_WANT_CMASK 8
  60 #endif
  61
  62 #ifndef RADEON_INFO_CLOCK_CRYSTAL_FREQ
  63 #define RADEON_INFO_CLOCK_CRYSTAL_FREQ 9
  64 #endif
  65
  66 #ifndef RADEON_INFO_NUM_BACKENDS
  67 #define RADEON_INFO_NUM_BACKENDS 0xa
  68 #endif
  69
  70 #ifndef RADEON_INFO_NUM_TILE_PIPES
  71 #define RADEON_INFO_NUM_TILE_PIPES 0xb
  72 #endif
  73
  74 #ifndef RADEON_INFO_BACKEND_MAP
  75 #define RADEON_INFO_BACKEND_MAP 0xd
  76 #endif
  77
  78 #ifndef RADEON_INFO_VA_START
  79 /* virtual address start, va < start are reserved by the kernel */
  80 #define RADEON_INFO_VA_START        0x0e
  81 /* maximum size of ib using the virtual memory cs */
  82 #define RADEON_INFO_IB_VM_MAX_SIZE  0x0f
  83 #endif
  84
  85 #ifndef RADEON_INFO_MAX_PIPES
  86 #define RADEON_INFO_MAX_PIPES 0x10
  87 #endif
  88
  89 #ifndef RADEON_INFO_TIMESTAMP
  90 #define RADEON_INFO_TIMESTAMP 0x11
  91 #endif
  92
  93 #ifndef RADEON_INFO_RING_WORKING
  94 #define RADEON_INFO_RING_WORKING 0x15
  95 #endif
  96
  97 #ifndef RADEON_CS_RING_UVD
  98 #define RADEON_CS_RING_UVD      3
  99 #endif
 100
 101 static struct util_hash_table *fd_tab = NULL;
 102
 103 /* Enable/disable feature access for one command stream.
 104  * If enable == TRUE, return TRUE on success.
 105  * Otherwise, return FALSE.
 106  *
 107  * We basically do the same thing kernel does, because we have to deal
 108  * with multiple contexts (here command streams) backed by one winsys. */
 109 static boolean radeon_set_fd_access(struct radeon_drm_cs *applier,
 110                                     struct radeon_drm_cs **owner,
 111                                     pipe_mutex *mutex,
 112                                     unsigned request, const char *request_name,
 113                                     boolean enable)
 114 {
 115     struct drm_radeon_info info;
 116     unsigned value = enable ? 1 : 0;
 117
 118     memset(&info, 0, sizeof(info));
 119
 120     pipe_mutex_lock(*mutex);
 121
 122     /* Early exit if we are sure the request will fail. */
 123     if (enable) {
 124         if (*owner) {
 125             pipe_mutex_unlock(*mutex);
 126             return FALSE;
 127         }
 128     } else {
 129         if (*owner != applier) {
 130             pipe_mutex_unlock(*mutex);
 131             return FALSE;
 132         }
 133     }
 134
 135     /* Pass through the request to the kernel. */
 136     info.value = (unsigned long)&value;
 137     info.request = request;
 138     if (drmCommandWriteRead(applier->ws->fd, DRM_RADEON_INFO,
 139                             &info, sizeof(info)) != 0) {
 140         pipe_mutex_unlock(*mutex);
 141         return FALSE;
 142     }
 143
 144     /* Update the rights in the winsys. */
 145     if (enable) {
 146         if (value) {
 147             *owner = applier;
 148             printf("radeon: Acquired access to %s.\n", request_name);
 149             pipe_mutex_unlock(*mutex);
 150             return TRUE;
 151         }
 152     } else {
 153         *owner = NULL;
 154         printf("radeon: Released access to %s.\n", request_name);
 155     }
 156
 157     pipe_mutex_unlock(*mutex);
 158     return FALSE;
 159 }
 160
 161 static boolean radeon_get_drm_value(int fd, unsigned request,
 162                                     const char *errname, uint32_t *out)
 163 {
 164     struct drm_radeon_info info;
 165     int retval;
 166
 167     memset(&info, 0, sizeof(info));
 168
 169     info.value = (unsigned long)out;
 170     info.request = request;
 171
 172     retval = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
 173     if (retval) {
 174         if (errname) {
 175             fprintf(stderr, "radeon: Failed to get %s, error number %d\n",
 176                     errname, retval);
 177         }
 178         return FALSE;
 179     }
 180     return TRUE;
 181 }
 182
 183 /* Helper function to do the ioctls needed for setup and init. */
 184 static boolean do_winsys_init(struct radeon_drm_winsys *ws)
 185 {
 186     struct drm_radeon_gem_info gem_info;
 187     int retval;
 188     drmVersionPtr version;
 189
 190     memset(&gem_info, 0, sizeof(gem_info));
 191
 192     /* We do things in a specific order here.
 193      *
 194      * DRM version first. We need to be sure we're running on a KMS chipset.
 195      * This is also for some features.
 196      *
 197      * Then, the PCI ID. This is essential and should return usable numbers
 198      * for all Radeons. If this fails, we probably got handed an FD for some
 199      * non-Radeon card.
 200      *
 201      * The GEM info is actually bogus on the kernel side, as well as our side
 202      * (see radeon_gem_info_ioctl in radeon_gem.c) but that's alright because
 203      * we don't actually use the info for anything yet.
 204      *
 205      * The GB and Z pipe requests should always succeed, but they might not
 206      * return sensical values for all chipsets, but that's alright because
 207      * the pipe drivers already know that.
 208      */
 209
 210     /* Get DRM version. */
 211     version = drmGetVersion(ws->fd);
 212     if (version->version_major != 2 ||
 213         version->version_minor < 3) {
 214         fprintf(stderr, "%s: DRM version is %d.%d.%d but this driver is "
 215                 "only compatible with 2.3.x (kernel 2.6.34) or later.\n",
 216                 __FUNCTION__,
 217                 version->version_major,
 218                 version->version_minor,
 219                 version->version_patchlevel);
 220         drmFreeVersion(version);
 221         return FALSE;
 222     }
 223
 224     ws->info.drm_major = version->version_major;
 225     ws->info.drm_minor = version->version_minor;
 226     ws->info.drm_patchlevel = version->version_patchlevel;
 227     drmFreeVersion(version);
 228
 229     /* Get PCI ID. */
 230     if (!radeon_get_drm_value(ws->fd, RADEON_INFO_DEVICE_ID, "PCI ID",
 231                               &ws->info.pci_id))
 232         return FALSE;
 233
 234     /* Check PCI ID. */
 235     switch (ws->info.pci_id) {
 236 #define CHIPSET(pci_id, name, cfamily) case pci_id: ws->info.family = CHIP_##cfamily; ws->gen = DRV_R300; break;
 237 #include "pci_ids/r300_pci_ids.h"
 238 #undef CHIPSET
 239
 240 #define CHIPSET(pci_id, name, cfamily) case pci_id: ws->info.family = CHIP_##cfamily; ws->gen = DRV_R600; break;
 241 #include "pci_ids/r600_pci_ids.h"
 242 #undef CHIPSET
 243
 244 #define CHIPSET(pci_id, name, cfamily) case pci_id: ws->info.family = CHIP_##cfamily; ws->gen = DRV_SI; break;
 245 #include "pci_ids/radeonsi_pci_ids.h"
 246 #undef CHIPSET
 247
 248     default:
 249         fprintf(stderr, "radeon: Invalid PCI ID.\n");
 250         return FALSE;
 251     }
 252
 253     switch (ws->info.family) {
 254     default:
 255     case CHIP_UNKNOWN:
 256         fprintf(stderr, "radeon: Unknown family.\n");
 257         return FALSE;
 258     case CHIP_R300:
 259     case CHIP_R350:
 260     case CHIP_RV350:
 261     case CHIP_RV370:
 262     case CHIP_RV380:
 263     case CHIP_RS400:
 264     case CHIP_RC410:
 265     case CHIP_RS480:
 266         ws->info.chip_class = R300;
 267         break;
 268     case CHIP_R420:     /* R4xx-based cores. */
 269     case CHIP_R423:
 270     case CHIP_R430:
 271     case CHIP_R480:
 272     case CHIP_R481:
 273     case CHIP_RV410:
 274     case CHIP_RS600:
 275     case CHIP_RS690:
 276     case CHIP_RS740:
 277         ws->info.chip_class = R400;
 278         break;
 279     case CHIP_RV515:    /* R5xx-based cores. */
 280     case CHIP_R520:
 281     case CHIP_RV530:
 282     case CHIP_R580:
 283     case CHIP_RV560:
 284     case CHIP_RV570:
 285         ws->info.chip_class = R500;
 286         break;
 287     case CHIP_R600:
 288     case CHIP_RV610:
 289     case CHIP_RV630:
 290     case CHIP_RV670:
 291     case CHIP_RV620:
 292     case CHIP_RV635:
 293     case CHIP_RS780:
 294     case CHIP_RS880:
 295         ws->info.chip_class = R600;
 296         break;
 297     case CHIP_RV770:
 298     case CHIP_RV730:
 299     case CHIP_RV710:
 300     case CHIP_RV740:
 301         ws->info.chip_class = R700;
 302         break;
 303     case CHIP_CEDAR:
 304     case CHIP_REDWOOD:
 305     case CHIP_JUNIPER:
 306     case CHIP_CYPRESS:
 307     case CHIP_HEMLOCK:
 308     case CHIP_PALM:
 309     case CHIP_SUMO:
 310     case CHIP_SUMO2:
 311     case CHIP_BARTS:
 312     case CHIP_TURKS:
 313     case CHIP_CAICOS:
 314         ws->info.chip_class = EVERGREEN;
 315         break;
 316     case CHIP_CAYMAN:
 317     case CHIP_ARUBA:
 318         ws->info.chip_class = CAYMAN;
 319         break;
 320     case CHIP_TAHITI:
 321     case CHIP_PITCAIRN:
 322     case CHIP_VERDE:
 323     case CHIP_OLAND:
 324     case CHIP_HAINAN:
 325         ws->info.chip_class = TAHITI;
 326         break;
 327     }
 328
 329     /* Check for dma */
 330     ws->info.r600_has_dma = FALSE;
 331     if (ws->info.chip_class >= R700 && ws->info.drm_minor >= 27) {
 332         ws->info.r600_has_dma = TRUE;
 333     }
 334
 335     /* Check for UVD */
 336     ws->info.has_uvd = FALSE;
 337     if (ws->info.drm_minor >= 32) {
 338         uint32_t value = RADEON_CS_RING_UVD;
 339         if (radeon_get_drm_value(ws->fd, RADEON_INFO_RING_WORKING,
 340                                  "UVD Ring working", &value))
 341             ws->info.has_uvd = value;
 342     }
 343
 344     /* Get GEM info. */
 345     retval = drmCommandWriteRead(ws->fd, DRM_RADEON_GEM_INFO,
 346             &gem_info, sizeof(gem_info));
 347     if (retval) {
 348         fprintf(stderr, "radeon: Failed to get MM info, error number %d\n",
 349                 retval);
 350         return FALSE;
 351     }
 352     ws->info.gart_size = gem_info.gart_size;
 353     ws->info.vram_size = gem_info.vram_size;
 354
 355     ws->num_cpus = sysconf(_SC_NPROCESSORS_ONLN);
 356
 357     /* Generation-specific queries. */
 358     if (ws->gen == DRV_R300) {
 359         if (!radeon_get_drm_value(ws->fd, RADEON_INFO_NUM_GB_PIPES,
 360                                   "GB pipe count",
 361                                   &ws->info.r300_num_gb_pipes))
 362             return FALSE;
 363
 364         if (!radeon_get_drm_value(ws->fd, RADEON_INFO_NUM_Z_PIPES,
 365                                   "Z pipe count",
 366                                   &ws->info.r300_num_z_pipes))
 367             return FALSE;
 368     }
 369     else if (ws->gen >= DRV_R600) {
 370         if (ws->info.drm_minor >= 9 &&
 371             !radeon_get_drm_value(ws->fd, RADEON_INFO_NUM_BACKENDS,
 372                                   "num backends",
 373                                   &ws->info.r600_num_backends))
 374             return FALSE;
 375
 376         /* get the GPU counter frequency, failure is not fatal */
 377         radeon_get_drm_value(ws->fd, RADEON_INFO_CLOCK_CRYSTAL_FREQ, NULL,
 378                              &ws->info.r600_clock_crystal_freq);
 379
 380         radeon_get_drm_value(ws->fd, RADEON_INFO_TILING_CONFIG, NULL,
 381                              &ws->info.r600_tiling_config);
 382
 383         if (ws->info.drm_minor >= 11) {
 384             radeon_get_drm_value(ws->fd, RADEON_INFO_NUM_TILE_PIPES, NULL,
 385                                  &ws->info.r600_num_tile_pipes);
 386
 387             if (radeon_get_drm_value(ws->fd, RADEON_INFO_BACKEND_MAP, NULL,
 388                                       &ws->info.r600_backend_map))
 389                 ws->info.r600_backend_map_valid = TRUE;
 390         }
 391
 392         ws->info.r600_virtual_address = FALSE;
 393         if (ws->info.drm_minor >= 13) {
 394             ws->info.r600_virtual_address = TRUE;
 395             if (!radeon_get_drm_value(ws->fd, RADEON_INFO_VA_START, NULL,
 396                                       &ws->info.r600_va_start))
 397                 ws->info.r600_virtual_address = FALSE;
 398             if (!radeon_get_drm_value(ws->fd, RADEON_INFO_IB_VM_MAX_SIZE, NULL,
 399                                       &ws->info.r600_ib_vm_max_size))
 400                 ws->info.r600_virtual_address = FALSE;
 401         }
 402         if (ws->gen == DRV_R600 && !debug_get_bool_option("RADEON_VA", TRUE))
 403                 ws->info.r600_virtual_address = FALSE;
 404     }
 405
 406     /* Get max pipes, this is only needed for compute shaders.  All evergreen+
 407      * chips have at least 2 pipes, so we use 2 as a default. */
 408     ws->info.r600_max_pipes = 2;
 409     radeon_get_drm_value(ws->fd, RADEON_INFO_MAX_PIPES, NULL,
 410                          &ws->info.r600_max_pipes);
 411
 412     return TRUE;
 413 }
 414
 415 static void radeon_winsys_destroy(struct radeon_winsys *rws)
 416 {
 417     struct radeon_drm_winsys *ws = (struct radeon_drm_winsys*)rws;
 418
 419     if (ws->thread) {
 420         ws->kill_thread = 1;
 421         pipe_semaphore_signal(&ws->cs_queued);
 422         pipe_thread_wait(ws->thread);
 423     }
 424     pipe_semaphore_destroy(&ws->cs_queued);
 425     pipe_condvar_destroy(ws->cs_queue_empty);
 426
 427     if (!pipe_reference(&ws->base.reference, NULL)) {
 428         return;
 429     }
 430
 431     pipe_mutex_destroy(ws->hyperz_owner_mutex);
 432     pipe_mutex_destroy(ws->cmask_owner_mutex);
 433     pipe_mutex_destroy(ws->cs_stack_lock);
 434
 435     ws->cman->destroy(ws->cman);
 436     ws->kman->destroy(ws->kman);
 437     if (ws->gen >= DRV_R600) {
 438         radeon_surface_manager_free(ws->surf_man);
 439     }
 440     if (fd_tab) {
 441         util_hash_table_remove(fd_tab, intptr_to_pointer(ws->fd));
 442     }
 443     FREE(rws);
 444 }
 445
 446 static void radeon_query_info(struct radeon_winsys *rws,
 447                               struct radeon_info *info)
 448 {
 449     *info = ((struct radeon_drm_winsys *)rws)->info;
 450 }
 451
 452 static boolean radeon_cs_request_feature(struct radeon_winsys_cs *rcs,
 453                                          enum radeon_feature_id fid,
 454                                          boolean enable)
 455 {
 456     struct radeon_drm_cs *cs = radeon_drm_cs(rcs);
 457
 458     switch (fid) {
 459     case RADEON_FID_R300_HYPERZ_ACCESS:
 460         return radeon_set_fd_access(cs, &cs->ws->hyperz_owner,
 461                                     &cs->ws->hyperz_owner_mutex,
 462                                     RADEON_INFO_WANT_HYPERZ, "Hyper-Z",
 463                                     enable);
 464
 465     case RADEON_FID_R300_CMASK_ACCESS:
 466         return radeon_set_fd_access(cs, &cs->ws->cmask_owner,
 467                                     &cs->ws->cmask_owner_mutex,
 468                                     RADEON_INFO_WANT_CMASK, "AA optimizations",
 469                                     enable);
 470     }
 471     return FALSE;
 472 }
 473
 474 static int radeon_drm_winsys_surface_init(struct radeon_winsys *rws,
 475                                           struct radeon_surface *surf)
 476 {
 477     struct radeon_drm_winsys *ws = (struct radeon_drm_winsys*)rws;
 478
 479     return radeon_surface_init(ws->surf_man, surf);
 480 }
 481
 482 static int radeon_drm_winsys_surface_best(struct radeon_winsys *rws,
 483                                           struct radeon_surface *surf)
 484 {
 485     struct radeon_drm_winsys *ws = (struct radeon_drm_winsys*)rws;
 486
 487     return radeon_surface_best(ws->surf_man, surf);
 488 }
 489
 490 static uint64_t radeon_query_value(struct radeon_winsys *rws,
 491                                    enum radeon_value_id value)
 492 {
 493     struct radeon_drm_winsys *ws = (struct radeon_drm_winsys*)rws;
 494     uint64_t ts = 0;
 495
 496     switch (value) {
 497     case RADEON_REQUESTED_VRAM_MEMORY:
 498         return ws->allocated_vram;
 499     case RADEON_REQUESTED_GTT_MEMORY:
 500         return ws->allocated_gtt;
 501     case RADEON_BUFFER_WAIT_TIME_NS:
 502         return ws->buffer_wait_time;
 503     case RADEON_TIMESTAMP:
 504         if (ws->info.drm_minor < 20 || ws->gen < DRV_R600) {
 505             assert(0);
 506             return 0;
 507         }
 508
 509         radeon_get_drm_value(ws->fd, RADEON_INFO_TIMESTAMP, "timestamp",
 510                              (uint32_t*)&ts);
 511         return ts;
 512     }
 513     return 0;
 514 }
 515
 516 static unsigned hash_fd(void *key)
 517 {
 518     return pointer_to_intptr(key);
 519 }
 520
 521 static int compare_fd(void *key1, void *key2)
 522 {
 523     return pointer_to_intptr(key1) != pointer_to_intptr(key2);
 524 }
 525
 526 void radeon_drm_ws_queue_cs(struct radeon_drm_winsys *ws, struct radeon_drm_cs *cs)
 527 {
 528 retry:
 529     pipe_mutex_lock(ws->cs_stack_lock);
 530     if (p_atomic_read(&ws->ncs) >= RING_LAST) {
 531         /* no room left for a flush */
 532         pipe_mutex_unlock(ws->cs_stack_lock);
 533         goto retry;
 534     }
 535     ws->cs_stack[p_atomic_read(&ws->ncs)] = cs;
 536     p_atomic_inc(&ws->ncs);
 537     pipe_mutex_unlock(ws->cs_stack_lock);
 538     pipe_semaphore_signal(&ws->cs_queued);
 539 }
 540
 541 static PIPE_THREAD_ROUTINE(radeon_drm_cs_emit_ioctl, param)
 542 {
 543     struct radeon_drm_winsys *ws = (struct radeon_drm_winsys *)param;
 544     struct radeon_drm_cs *cs;
 545     unsigned i, empty_stack;
 546
 547     while (1) {
 548         pipe_semaphore_wait(&ws->cs_queued);
 549         if (ws->kill_thread)
 550             break;
 551 next:
 552         pipe_mutex_lock(ws->cs_stack_lock);
 553         cs = ws->cs_stack[0];
 554         pipe_mutex_unlock(ws->cs_stack_lock);
 555
 556         if (cs) {
 557             radeon_drm_cs_emit_ioctl_oneshot(cs, cs->cst);
 558
 559             pipe_mutex_lock(ws->cs_stack_lock);
 560             for (i = 1; i < p_atomic_read(&ws->ncs); i++) {
 561                 ws->cs_stack[i - 1] = ws->cs_stack[i];
 562             }
 563             ws->cs_stack[p_atomic_read(&ws->ncs) - 1] = NULL;
 564             empty_stack = p_atomic_dec_zero(&ws->ncs);
 565             if (empty_stack) {
 566                 pipe_condvar_signal(ws->cs_queue_empty);
 567             }
 568             pipe_mutex_unlock(ws->cs_stack_lock);
 569
 570             pipe_semaphore_signal(&cs->flush_completed);
 571
 572             if (!empty_stack) {
 573                 goto next;
 574             }
 575         }
 576     }
 577     pipe_mutex_lock(ws->cs_stack_lock);
 578     for (i = 0; i < p_atomic_read(&ws->ncs); i++) {
 579         pipe_semaphore_signal(&ws->cs_stack[i]->flush_completed);
 580         ws->cs_stack[i] = NULL;
 581     }
 582     p_atomic_set(&ws->ncs, 0);
 583     pipe_condvar_signal(ws->cs_queue_empty);
 584     pipe_mutex_unlock(ws->cs_stack_lock);
 585     return NULL;
 586 }
 587
 588 DEBUG_GET_ONCE_BOOL_OPTION(thread, "RADEON_THREAD", TRUE)
 589 static PIPE_THREAD_ROUTINE(radeon_drm_cs_emit_ioctl, param);
 590
 591 struct radeon_winsys *radeon_drm_winsys_create(int fd)
 592 {
 593     struct radeon_drm_winsys *ws;
 594
 595     if (!fd_tab) {
 596         fd_tab = util_hash_table_create(hash_fd, compare_fd);
 597     }
 598
 599     ws = util_hash_table_get(fd_tab, intptr_to_pointer(fd));
 600     if (ws) {
 601         pipe_reference(NULL, &ws->base.reference);
 602         return &ws->base;
 603     }
 604
 605     ws = CALLOC_STRUCT(radeon_drm_winsys);
 606     if (!ws) {
 607         return NULL;
 608     }
 609     ws->fd = fd;
 610     util_hash_table_set(fd_tab, intptr_to_pointer(fd), ws);
 611
 612     if (!do_winsys_init(ws))
 613         goto fail;
 614
 615     /* Create managers. */
 616     ws->kman = radeon_bomgr_create(ws);
 617     if (!ws->kman)
 618         goto fail;
 619     ws->cman = pb_cache_manager_create(ws->kman, 1000000);
 620     if (!ws->cman)
 621         goto fail;
 622
 623     if (ws->gen >= DRV_R600) {
 624         ws->surf_man = radeon_surface_manager_new(fd);
 625         if (!ws->surf_man)
 626             goto fail;
 627     }
 628
 629     /* init reference */
 630     pipe_reference_init(&ws->base.reference, 1);
 631
 632     /* Set functions. */
 633     ws->base.destroy = radeon_winsys_destroy;
 634     ws->base.query_info = radeon_query_info;
 635     ws->base.cs_request_feature = radeon_cs_request_feature;
 636     ws->base.surface_init = radeon_drm_winsys_surface_init;
 637     ws->base.surface_best = radeon_drm_winsys_surface_best;
 638     ws->base.query_value = radeon_query_value;
 639
 640     radeon_bomgr_init_functions(ws);
 641     radeon_drm_cs_init_functions(ws);
 642
 643     pipe_mutex_init(ws->hyperz_owner_mutex);
 644     pipe_mutex_init(ws->cmask_owner_mutex);
 645     pipe_mutex_init(ws->cs_stack_lock);
 646
 647     p_atomic_set(&ws->ncs, 0);
 648     pipe_semaphore_init(&ws->cs_queued, 0);
 649     pipe_condvar_init(ws->cs_queue_empty);
 650     if (ws->num_cpus > 1 && debug_get_option_thread())
 651         ws->thread = pipe_thread_create(radeon_drm_cs_emit_ioctl, ws);
 652
 653     return &ws->base;
 654
 655 fail:
 656     if (ws->cman)
 657         ws->cman->destroy(ws->cman);
 658     if (ws->kman)
 659         ws->kman->destroy(ws->kman);
 660     if (ws->surf_man)
 661         radeon_surface_manager_free(ws->surf_man);
 662     FREE(ws);
 663     return NULL;
 664 }