drivers/gpu/drm/qxl/qxl_display.c

   1 /*
   2  * Copyright 2013 Red Hat Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  * Authors: Dave Airlie
  23  *          Alon Levy
  24  */
  25
  26 #include <linux/crc32.h>
  27 #include <linux/delay.h>
  28
  29 #include <drm/drm_drv.h>
  30 #include <drm/drm_atomic.h>
  31 #include <drm/drm_atomic_helper.h>
  32 #include <drm/drm_gem_framebuffer_helper.h>
  33 #include <drm/drm_plane_helper.h>
  34 #include <drm/drm_probe_helper.h>
  35 #include <drm/drm_simple_kms_helper.h>
  36
  37 #include "qxl_drv.h"
  38 #include "qxl_object.h"
  39
  40 static bool qxl_head_enabled(struct qxl_head *head)
  41 {
  42         return head->width && head->height;
  43 }
  44
  45 static int qxl_alloc_client_monitors_config(struct qxl_device *qdev,
  46                 unsigned int count)
  47 {
  48         if (qdev->client_monitors_config &&
  49             count > qdev->client_monitors_config->count) {
  50                 kfree(qdev->client_monitors_config);
  51                 qdev->client_monitors_config = NULL;
  52         }
  53         if (!qdev->client_monitors_config) {
  54                 qdev->client_monitors_config = kzalloc(
  55                                 struct_size(qdev->client_monitors_config,
  56                                 heads, count), GFP_KERNEL);
  57                 if (!qdev->client_monitors_config)
  58                         return -ENOMEM;
  59         }
  60         qdev->client_monitors_config->count = count;
  61         return 0;
  62 }
  63
  64 enum {
  65         MONITORS_CONFIG_MODIFIED,
  66         MONITORS_CONFIG_UNCHANGED,
  67         MONITORS_CONFIG_BAD_CRC,
  68         MONITORS_CONFIG_ERROR,
  69 };
  70
  71 static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev)
  72 {
  73         int i;
  74         int num_monitors;
  75         uint32_t crc;
  76         int status = MONITORS_CONFIG_UNCHANGED;
  77
  78         num_monitors = qdev->rom->client_monitors_config.count;
  79         crc = crc32(0, (const uint8_t *)&qdev->rom->client_monitors_config,
  80                   sizeof(qdev->rom->client_monitors_config));
  81         if (crc != qdev->rom->client_monitors_config_crc)
  82                 return MONITORS_CONFIG_BAD_CRC;
  83         if (!num_monitors) {
  84                 DRM_DEBUG_KMS("no client monitors configured\n");
  85                 return status;
  86         }
  87         if (num_monitors > qxl_num_crtc) {
  88                 DRM_DEBUG_KMS("client monitors list will be truncated: %d < %d\n",
  89                               qxl_num_crtc, num_monitors);
  90                 num_monitors = qxl_num_crtc;
  91         } else {
  92                 num_monitors = qdev->rom->client_monitors_config.count;
  93         }
  94         if (qdev->client_monitors_config
  95               && (num_monitors != qdev->client_monitors_config->count)) {
  96                 status = MONITORS_CONFIG_MODIFIED;
  97         }
  98         if (qxl_alloc_client_monitors_config(qdev, num_monitors)) {
  99                 status = MONITORS_CONFIG_ERROR;
 100                 return status;
 101         }
 102         /* we copy max from the client but it isn't used */
 103         qdev->client_monitors_config->max_allowed = qxl_num_crtc;
 104         for (i = 0 ; i < qdev->client_monitors_config->count ; ++i) {
 105                 struct qxl_urect *c_rect =
 106                         &qdev->rom->client_monitors_config.heads[i];
 107                 struct qxl_head *client_head =
 108                         &qdev->client_monitors_config->heads[i];
 109                 if (client_head->x != c_rect->left) {
 110                         client_head->x = c_rect->left;
 111                         status = MONITORS_CONFIG_MODIFIED;
 112                 }
 113                 if (client_head->y != c_rect->top) {
 114                         client_head->y = c_rect->top;
 115                         status = MONITORS_CONFIG_MODIFIED;
 116                 }
 117                 if (client_head->width != c_rect->right - c_rect->left) {
 118                         client_head->width = c_rect->right - c_rect->left;
 119                         status = MONITORS_CONFIG_MODIFIED;
 120                 }
 121                 if (client_head->height != c_rect->bottom - c_rect->top) {
 122                         client_head->height = c_rect->bottom - c_rect->top;
 123                         status = MONITORS_CONFIG_MODIFIED;
 124                 }
 125                 if (client_head->surface_id != 0) {
 126                         client_head->surface_id = 0;
 127                         status = MONITORS_CONFIG_MODIFIED;
 128                 }
 129                 if (client_head->id != i) {
 130                         client_head->id = i;
 131                         status = MONITORS_CONFIG_MODIFIED;
 132                 }
 133                 if (client_head->flags != 0) {
 134                         client_head->flags = 0;
 135                         status = MONITORS_CONFIG_MODIFIED;
 136                 }
 137                 DRM_DEBUG_KMS("read %dx%d+%d+%d\n", client_head->width, client_head->height,
 138                           client_head->x, client_head->y);
 139         }
 140
 141         return status;
 142 }
 143
 144 static void qxl_update_offset_props(struct qxl_device *qdev)
 145 {
 146         struct drm_device *dev = &qdev->ddev;
 147         struct drm_connector *connector;
 148         struct qxl_output *output;
 149         struct qxl_head *head;
 150
 151         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 152                 output = drm_connector_to_qxl_output(connector);
 153
 154                 head = &qdev->client_monitors_config->heads[output->index];
 155
 156                 drm_object_property_set_value(&connector->base,
 157                         dev->mode_config.suggested_x_property, head->x);
 158                 drm_object_property_set_value(&connector->base,
 159                         dev->mode_config.suggested_y_property, head->y);
 160         }
 161 }
 162
 163 void qxl_display_read_client_monitors_config(struct qxl_device *qdev)
 164 {
 165         struct drm_device *dev = &qdev->ddev;
 166         struct drm_modeset_acquire_ctx ctx;
 167         int status, retries, ret;
 168
 169         for (retries = 0; retries < 10; retries++) {
 170                 status = qxl_display_copy_rom_client_monitors_config(qdev);
 171                 if (status != MONITORS_CONFIG_BAD_CRC)
 172                         break;
 173                 udelay(5);
 174         }
 175         if (status == MONITORS_CONFIG_ERROR) {
 176                 DRM_DEBUG_KMS("ignoring client monitors config: error");
 177                 return;
 178         }
 179         if (status == MONITORS_CONFIG_BAD_CRC) {
 180                 DRM_DEBUG_KMS("ignoring client monitors config: bad crc");
 181                 return;
 182         }
 183         if (status == MONITORS_CONFIG_UNCHANGED) {
 184                 DRM_DEBUG_KMS("ignoring client monitors config: unchanged");
 185                 return;
 186         }
 187
 188         DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE, ret);
 189         qxl_update_offset_props(qdev);
 190         DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
 191         if (!drm_helper_hpd_irq_event(dev)) {
 192                 /* notify that the monitor configuration changed, to
 193                    adjust at the arbitrary resolution */
 194                 drm_kms_helper_hotplug_event(dev);
 195         }
 196 }
 197
 198 static int qxl_check_mode(struct qxl_device *qdev,
 199                           unsigned int width,
 200                           unsigned int height)
 201 {
 202         unsigned int stride;
 203         unsigned int size;
 204
 205         if (check_mul_overflow(width, 4u, &stride))
 206                 return -EINVAL;
 207         if (check_mul_overflow(stride, height, &size))
 208                 return -EINVAL;
 209         if (size > qdev->vram_size)
 210                 return -ENOMEM;
 211         return 0;
 212 }
 213
 214 static int qxl_check_framebuffer(struct qxl_device *qdev,
 215                                  struct qxl_bo *bo)
 216 {
 217         return qxl_check_mode(qdev, bo->surf.width, bo->surf.height);
 218 }
 219
 220 static int qxl_add_mode(struct drm_connector *connector,
 221                         unsigned int width,
 222                         unsigned int height,
 223                         bool preferred)
 224 {
 225         struct drm_device *dev = connector->dev;
 226         struct qxl_device *qdev = to_qxl(dev);
 227         struct drm_display_mode *mode = NULL;
 228         int rc;
 229
 230         rc = qxl_check_mode(qdev, width, height);
 231         if (rc != 0)
 232                 return 0;
 233
 234         mode = drm_cvt_mode(dev, width, height, 60, false, false, false);
 235         if (preferred)
 236                 mode->type |= DRM_MODE_TYPE_PREFERRED;
 237         mode->hdisplay = width;
 238         mode->vdisplay = height;
 239         drm_mode_set_name(mode);
 240         drm_mode_probed_add(connector, mode);
 241         return 1;
 242 }
 243
 244 static int qxl_add_monitors_config_modes(struct drm_connector *connector)
 245 {
 246         struct drm_device *dev = connector->dev;
 247         struct qxl_device *qdev = to_qxl(dev);
 248         struct qxl_output *output = drm_connector_to_qxl_output(connector);
 249         int h = output->index;
 250         struct qxl_head *head;
 251
 252         if (!qdev->monitors_config)
 253                 return 0;
 254         if (h >= qxl_num_crtc)
 255                 return 0;
 256         if (!qdev->client_monitors_config)
 257                 return 0;
 258         if (h >= qdev->client_monitors_config->count)
 259                 return 0;
 260
 261         head = &qdev->client_monitors_config->heads[h];
 262         DRM_DEBUG_KMS("head %d is %dx%d\n", h, head->width, head->height);
 263
 264         return qxl_add_mode(connector, head->width, head->height, true);
 265 }
 266
 267 static struct mode_size {
 268         int w;
 269         int h;
 270 } extra_modes[] = {
 271         { 720,  480},
 272         {1152,  768},
 273         {1280,  854},
 274 };
 275
 276 static int qxl_add_extra_modes(struct drm_connector *connector)
 277 {
 278         int i, ret = 0;
 279
 280         for (i = 0; i < ARRAY_SIZE(extra_modes); i++)
 281                 ret += qxl_add_mode(connector,
 282                                     extra_modes[i].w,
 283                                     extra_modes[i].h,
 284                                     false);
 285         return ret;
 286 }
 287
 288 static void qxl_send_monitors_config(struct qxl_device *qdev)
 289 {
 290         int i;
 291
 292         BUG_ON(!qdev->ram_header->monitors_config);
 293
 294         if (qdev->monitors_config->count == 0)
 295                 return;
 296
 297         for (i = 0 ; i < qdev->monitors_config->count ; ++i) {
 298                 struct qxl_head *head = &qdev->monitors_config->heads[i];
 299
 300                 if (head->y > 8192 || head->x > 8192 ||
 301                     head->width > 8192 || head->height > 8192) {
 302                         DRM_ERROR("head %d wrong: %dx%d+%d+%d\n",
 303                                   i, head->width, head->height,
 304                                   head->x, head->y);
 305                         return;
 306                 }
 307         }
 308         qxl_io_monitors_config(qdev);
 309 }
 310
 311 static void qxl_crtc_update_monitors_config(struct drm_crtc *crtc,
 312                                             const char *reason)
 313 {
 314         struct drm_device *dev = crtc->dev;
 315         struct qxl_device *qdev = to_qxl(dev);
 316         struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
 317         struct qxl_head head;
 318         int oldcount, i = qcrtc->index;
 319
 320         if (!qdev->primary_bo) {
 321                 DRM_DEBUG_KMS("no primary surface, skip (%s)\n", reason);
 322                 return;
 323         }
 324
 325         if (!qdev->monitors_config || qxl_num_crtc <= i)
 326                 return;
 327
 328         head.id = i;
 329         head.flags = 0;
 330         head.surface_id = 0;
 331         oldcount = qdev->monitors_config->count;
 332         if (crtc->state->active) {
 333                 struct drm_display_mode *mode = &crtc->mode;
 334
 335                 head.width = mode->hdisplay;
 336                 head.height = mode->vdisplay;
 337                 head.x = crtc->x;
 338                 head.y = crtc->y;
 339                 if (qdev->monitors_config->count < i + 1)
 340                         qdev->monitors_config->count = i + 1;
 341                 if (qdev->primary_bo == qdev->dumb_shadow_bo)
 342                         head.x += qdev->dumb_heads[i].x;
 343         } else if (i > 0) {
 344                 head.width = 0;
 345                 head.height = 0;
 346                 head.x = 0;
 347                 head.y = 0;
 348                 if (qdev->monitors_config->count == i + 1)
 349                         qdev->monitors_config->count = i;
 350         } else {
 351                 DRM_DEBUG_KMS("inactive head 0, skip (%s)\n", reason);
 352                 return;
 353         }
 354
 355         if (head.width  == qdev->monitors_config->heads[i].width  &&
 356             head.height == qdev->monitors_config->heads[i].height &&
 357             head.x      == qdev->monitors_config->heads[i].x      &&
 358             head.y      == qdev->monitors_config->heads[i].y      &&
 359             oldcount    == qdev->monitors_config->count)
 360                 return;
 361
 362         DRM_DEBUG_KMS("head %d, %dx%d, at +%d+%d, %s (%s)\n",
 363                       i, head.width, head.height, head.x, head.y,
 364                       crtc->state->active ? "on" : "off", reason);
 365         if (oldcount != qdev->monitors_config->count)
 366                 DRM_DEBUG_KMS("active heads %d -> %d (%d total)\n",
 367                               oldcount, qdev->monitors_config->count,
 368                               qxl_num_crtc);
 369
 370         qdev->monitors_config->heads[i] = head;
 371         qdev->monitors_config->max_allowed = qxl_num_crtc;
 372         qxl_send_monitors_config(qdev);
 373 }
 374
 375 static void qxl_crtc_atomic_flush(struct drm_crtc *crtc,
 376                                   struct drm_crtc_state *old_crtc_state)
 377 {
 378         qxl_crtc_update_monitors_config(crtc, "flush");
 379 }
 380
 381 static void qxl_crtc_destroy(struct drm_crtc *crtc)
 382 {
 383         struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc);
 384
 385         qxl_bo_unref(&qxl_crtc->cursor_bo);
 386         drm_crtc_cleanup(crtc);
 387         kfree(qxl_crtc);
 388 }
 389
 390 static const struct drm_crtc_funcs qxl_crtc_funcs = {
 391         .set_config = drm_atomic_helper_set_config,
 392         .destroy = qxl_crtc_destroy,
 393         .page_flip = drm_atomic_helper_page_flip,
 394         .reset = drm_atomic_helper_crtc_reset,
 395         .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
 396         .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
 397 };
 398
 399 static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb,
 400                                          struct drm_file *file_priv,
 401                                          unsigned int flags, unsigned int color,
 402                                          struct drm_clip_rect *clips,
 403                                          unsigned int num_clips)
 404 {
 405         /* TODO: vmwgfx where this was cribbed from had locking. Why? */
 406         struct qxl_device *qdev = to_qxl(fb->dev);
 407         struct drm_clip_rect norect;
 408         struct qxl_bo *qobj;
 409         struct drm_modeset_acquire_ctx ctx;
 410         bool is_primary;
 411         int inc = 1, ret;
 412
 413         DRM_MODESET_LOCK_ALL_BEGIN(fb->dev, ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE, ret);
 414
 415         qobj = gem_to_qxl_bo(fb->obj[0]);
 416         /* if we aren't primary surface ignore this */
 417         is_primary = qobj->shadow ? qobj->shadow->is_primary : qobj->is_primary;
 418         if (!is_primary)
 419                 goto out_lock_end;
 420
 421         if (!num_clips) {
 422                 num_clips = 1;
 423                 clips = &norect;
 424                 norect.x1 = norect.y1 = 0;
 425                 norect.x2 = fb->width;
 426                 norect.y2 = fb->height;
 427         } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
 428                 num_clips /= 2;
 429                 inc = 2; /* skip source rects */
 430         }
 431
 432         qxl_draw_dirty_fb(qdev, fb, qobj, flags, color,
 433                           clips, num_clips, inc, 0);
 434
 435 out_lock_end:
 436         DRM_MODESET_LOCK_ALL_END(fb->dev, ctx, ret);
 437
 438         return 0;
 439 }
 440
 441 static const struct drm_framebuffer_funcs qxl_fb_funcs = {
 442         .destroy = drm_gem_fb_destroy,
 443         .dirty = qxl_framebuffer_surface_dirty,
 444         .create_handle = drm_gem_fb_create_handle,
 445 };
 446
 447 static void qxl_crtc_atomic_enable(struct drm_crtc *crtc,
 448                                    struct drm_crtc_state *old_state)
 449 {
 450         qxl_crtc_update_monitors_config(crtc, "enable");
 451 }
 452
 453 static void qxl_crtc_atomic_disable(struct drm_crtc *crtc,
 454                                     struct drm_crtc_state *old_state)
 455 {
 456         qxl_crtc_update_monitors_config(crtc, "disable");
 457 }
 458
 459 static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = {
 460         .atomic_flush = qxl_crtc_atomic_flush,
 461         .atomic_enable = qxl_crtc_atomic_enable,
 462         .atomic_disable = qxl_crtc_atomic_disable,
 463 };
 464
 465 static int qxl_primary_atomic_check(struct drm_plane *plane,
 466                                     struct drm_plane_state *state)
 467 {
 468         struct qxl_device *qdev = to_qxl(plane->dev);
 469         struct qxl_bo *bo;
 470
 471         if (!state->crtc || !state->fb)
 472                 return 0;
 473
 474         bo = gem_to_qxl_bo(state->fb->obj[0]);
 475
 476         return qxl_check_framebuffer(qdev, bo);
 477 }
 478
 479 static int qxl_primary_apply_cursor(struct drm_plane *plane)
 480 {
 481         struct drm_device *dev = plane->dev;
 482         struct qxl_device *qdev = to_qxl(dev);
 483         struct drm_framebuffer *fb = plane->state->fb;
 484         struct qxl_crtc *qcrtc = to_qxl_crtc(plane->state->crtc);
 485         struct qxl_cursor_cmd *cmd;
 486         struct qxl_release *release;
 487         int ret = 0;
 488
 489         if (!qcrtc->cursor_bo)
 490                 return 0;
 491
 492         ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
 493                                          QXL_RELEASE_CURSOR_CMD,
 494                                          &release, NULL);
 495         if (ret)
 496                 return ret;
 497
 498         ret = qxl_release_list_add(release, qcrtc->cursor_bo);
 499         if (ret)
 500                 goto out_free_release;
 501
 502         ret = qxl_release_reserve_list(release, false);
 503         if (ret)
 504                 goto out_free_release;
 505
 506         cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
 507         cmd->type = QXL_CURSOR_SET;
 508         cmd->u.set.position.x = plane->state->crtc_x + fb->hot_x;
 509         cmd->u.set.position.y = plane->state->crtc_y + fb->hot_y;
 510
 511         cmd->u.set.shape = qxl_bo_physical_address(qdev, qcrtc->cursor_bo, 0);
 512
 513         cmd->u.set.visible = 1;
 514         qxl_release_unmap(qdev, release, &cmd->release_info);
 515
 516         qxl_release_fence_buffer_objects(release);
 517         qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
 518
 519         return ret;
 520
 521 out_free_release:
 522         qxl_release_free(qdev, release);
 523         return ret;
 524 }
 525
 526 static void qxl_primary_atomic_update(struct drm_plane *plane,
 527                                       struct drm_plane_state *old_state)
 528 {
 529         struct qxl_device *qdev = to_qxl(plane->dev);
 530         struct qxl_bo *bo = gem_to_qxl_bo(plane->state->fb->obj[0]);
 531         struct qxl_bo *primary;
 532         struct drm_clip_rect norect = {
 533             .x1 = 0,
 534             .y1 = 0,
 535             .x2 = plane->state->fb->width,
 536             .y2 = plane->state->fb->height
 537         };
 538         uint32_t dumb_shadow_offset = 0;
 539
 540         primary = bo->shadow ? bo->shadow : bo;
 541
 542         if (!primary->is_primary) {
 543                 if (qdev->primary_bo)
 544                         qxl_io_destroy_primary(qdev);
 545                 qxl_io_create_primary(qdev, primary);
 546                 qxl_primary_apply_cursor(plane);
 547         }
 548
 549         if (bo->is_dumb)
 550                 dumb_shadow_offset =
 551                         qdev->dumb_heads[plane->state->crtc->index].x;
 552
 553         qxl_draw_dirty_fb(qdev, plane->state->fb, bo, 0, 0, &norect, 1, 1,
 554                           dumb_shadow_offset);
 555 }
 556
 557 static void qxl_primary_atomic_disable(struct drm_plane *plane,
 558                                        struct drm_plane_state *old_state)
 559 {
 560         struct qxl_device *qdev = to_qxl(plane->dev);
 561
 562         if (old_state->fb) {
 563                 struct qxl_bo *bo = gem_to_qxl_bo(old_state->fb->obj[0]);
 564
 565                 if (bo->is_primary) {
 566                         qxl_io_destroy_primary(qdev);
 567                         bo->is_primary = false;
 568                 }
 569         }
 570 }
 571
 572 static void qxl_cursor_atomic_update(struct drm_plane *plane,
 573                                      struct drm_plane_state *old_state)
 574 {
 575         struct drm_device *dev = plane->dev;
 576         struct qxl_device *qdev = to_qxl(dev);
 577         struct drm_framebuffer *fb = plane->state->fb;
 578         struct qxl_crtc *qcrtc = to_qxl_crtc(plane->state->crtc);
 579         struct qxl_release *release;
 580         struct qxl_cursor_cmd *cmd;
 581         struct qxl_cursor *cursor;
 582         struct drm_gem_object *obj;
 583         struct qxl_bo *cursor_bo = NULL, *user_bo = NULL, *old_cursor_bo = NULL;
 584         int ret;
 585         void *user_ptr;
 586         int size = 64*64*4;
 587
 588         ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
 589                                          QXL_RELEASE_CURSOR_CMD,
 590                                          &release, NULL);
 591         if (ret)
 592                 return;
 593
 594         if (fb != old_state->fb) {
 595                 obj = fb->obj[0];
 596                 user_bo = gem_to_qxl_bo(obj);
 597
 598                 /* pinning is done in the prepare/cleanup framevbuffer */
 599                 ret = qxl_bo_kmap(user_bo, &user_ptr);
 600                 if (ret)
 601                         goto out_free_release;
 602
 603                 ret = qxl_alloc_bo_reserved(qdev, release,
 604                                             sizeof(struct qxl_cursor) + size,
 605                                             &cursor_bo);
 606                 if (ret)
 607                         goto out_kunmap;
 608
 609                 ret = qxl_bo_pin(cursor_bo);
 610                 if (ret)
 611                         goto out_free_bo;
 612
 613                 ret = qxl_release_reserve_list(release, true);
 614                 if (ret)
 615                         goto out_unpin;
 616
 617                 ret = qxl_bo_kmap(cursor_bo, (void **)&cursor);
 618                 if (ret)
 619                         goto out_backoff;
 620
 621                 cursor->header.unique = 0;
 622                 cursor->header.type = SPICE_CURSOR_TYPE_ALPHA;
 623                 cursor->header.width = 64;
 624                 cursor->header.height = 64;
 625                 cursor->header.hot_spot_x = fb->hot_x;
 626                 cursor->header.hot_spot_y = fb->hot_y;
 627                 cursor->data_size = size;
 628                 cursor->chunk.next_chunk = 0;
 629                 cursor->chunk.prev_chunk = 0;
 630                 cursor->chunk.data_size = size;
 631                 memcpy(cursor->chunk.data, user_ptr, size);
 632                 qxl_bo_kunmap(cursor_bo);
 633                 qxl_bo_kunmap(user_bo);
 634
 635                 cmd = (struct qxl_cursor_cmd *) qxl_release_map(qdev, release);
 636                 cmd->u.set.visible = 1;
 637                 cmd->u.set.shape = qxl_bo_physical_address(qdev,
 638                                                            cursor_bo, 0);
 639                 cmd->type = QXL_CURSOR_SET;
 640
 641                 old_cursor_bo = qcrtc->cursor_bo;
 642                 qcrtc->cursor_bo = cursor_bo;
 643                 cursor_bo = NULL;
 644         } else {
 645
 646                 ret = qxl_release_reserve_list(release, true);
 647                 if (ret)
 648                         goto out_free_release;
 649
 650                 cmd = (struct qxl_cursor_cmd *) qxl_release_map(qdev, release);
 651                 cmd->type = QXL_CURSOR_MOVE;
 652         }
 653
 654         cmd->u.position.x = plane->state->crtc_x + fb->hot_x;
 655         cmd->u.position.y = plane->state->crtc_y + fb->hot_y;
 656
 657         qxl_release_unmap(qdev, release, &cmd->release_info);
 658         qxl_release_fence_buffer_objects(release);
 659         qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
 660
 661         if (old_cursor_bo != NULL)
 662                 qxl_bo_unpin(old_cursor_bo);
 663         qxl_bo_unref(&old_cursor_bo);
 664         qxl_bo_unref(&cursor_bo);
 665
 666         return;
 667
 668 out_backoff:
 669         qxl_release_backoff_reserve_list(release);
 670 out_unpin:
 671         qxl_bo_unpin(cursor_bo);
 672 out_free_bo:
 673         qxl_bo_unref(&cursor_bo);
 674 out_kunmap:
 675         qxl_bo_kunmap(user_bo);
 676 out_free_release:
 677         qxl_release_free(qdev, release);
 678         return;
 679
 680 }
 681
 682 static void qxl_cursor_atomic_disable(struct drm_plane *plane,
 683                                       struct drm_plane_state *old_state)
 684 {
 685         struct qxl_device *qdev = to_qxl(plane->dev);
 686         struct qxl_release *release;
 687         struct qxl_cursor_cmd *cmd;
 688         int ret;
 689
 690         ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
 691                                          QXL_RELEASE_CURSOR_CMD,
 692                                          &release, NULL);
 693         if (ret)
 694                 return;
 695
 696         ret = qxl_release_reserve_list(release, true);
 697         if (ret) {
 698                 qxl_release_free(qdev, release);
 699                 return;
 700         }
 701
 702         cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
 703         cmd->type = QXL_CURSOR_HIDE;
 704         qxl_release_unmap(qdev, release, &cmd->release_info);
 705
 706         qxl_release_fence_buffer_objects(release);
 707         qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
 708 }
 709
 710 static void qxl_update_dumb_head(struct qxl_device *qdev,
 711                                  int index, struct qxl_bo *bo)
 712 {
 713         uint32_t width, height;
 714
 715         if (index >= qdev->monitors_config->max_allowed)
 716                 return;
 717
 718         if (bo && bo->is_dumb) {
 719                 width = bo->surf.width;
 720                 height = bo->surf.height;
 721         } else {
 722                 width = 0;
 723                 height = 0;
 724         }
 725
 726         if (qdev->dumb_heads[index].width == width &&
 727             qdev->dumb_heads[index].height == height)
 728                 return;
 729
 730         DRM_DEBUG("#%d: %dx%d -> %dx%d\n", index,
 731                   qdev->dumb_heads[index].width,
 732                   qdev->dumb_heads[index].height,
 733                   width, height);
 734         qdev->dumb_heads[index].width = width;
 735         qdev->dumb_heads[index].height = height;
 736 }
 737
 738 static void qxl_calc_dumb_shadow(struct qxl_device *qdev,
 739                                  struct qxl_surface *surf)
 740 {
 741         struct qxl_head *head;
 742         int i;
 743
 744         memset(surf, 0, sizeof(*surf));
 745         for (i = 0; i < qdev->monitors_config->max_allowed; i++) {
 746                 head = qdev->dumb_heads + i;
 747                 head->x = surf->width;
 748                 surf->width += head->width;
 749                 if (surf->height < head->height)
 750                         surf->height = head->height;
 751         }
 752         if (surf->width < 64)
 753                 surf->width = 64;
 754         if (surf->height < 64)
 755                 surf->height = 64;
 756         surf->format = SPICE_SURFACE_FMT_32_xRGB;
 757         surf->stride = surf->width * 4;
 758
 759         if (!qdev->dumb_shadow_bo ||
 760             qdev->dumb_shadow_bo->surf.width != surf->width ||
 761             qdev->dumb_shadow_bo->surf.height != surf->height)
 762                 DRM_DEBUG("%dx%d\n", surf->width, surf->height);
 763 }
 764
 765 static int qxl_plane_prepare_fb(struct drm_plane *plane,
 766                                 struct drm_plane_state *new_state)
 767 {
 768         struct qxl_device *qdev = to_qxl(plane->dev);
 769         struct drm_gem_object *obj;
 770         struct qxl_bo *user_bo;
 771         struct qxl_surface surf;
 772         int ret;
 773
 774         if (!new_state->fb)
 775                 return 0;
 776
 777         obj = new_state->fb->obj[0];
 778         user_bo = gem_to_qxl_bo(obj);
 779
 780         if (plane->type == DRM_PLANE_TYPE_PRIMARY &&
 781             user_bo->is_dumb) {
 782                 qxl_update_dumb_head(qdev, new_state->crtc->index,
 783                                      user_bo);
 784                 qxl_calc_dumb_shadow(qdev, &surf);
 785                 if (!qdev->dumb_shadow_bo ||
 786                     qdev->dumb_shadow_bo->surf.width  != surf.width ||
 787                     qdev->dumb_shadow_bo->surf.height != surf.height) {
 788                         if (qdev->dumb_shadow_bo) {
 789                                 drm_gem_object_put
 790                                         (&qdev->dumb_shadow_bo->tbo.base);
 791                                 qdev->dumb_shadow_bo = NULL;
 792                         }
 793                         qxl_bo_create(qdev, surf.height * surf.stride,
 794                                       true, true, QXL_GEM_DOMAIN_SURFACE, 0,
 795                                       &surf, &qdev->dumb_shadow_bo);
 796                 }
 797                 if (user_bo->shadow != qdev->dumb_shadow_bo) {
 798                         if (user_bo->shadow) {
 799                                 drm_gem_object_put
 800                                         (&user_bo->shadow->tbo.base);
 801                                 user_bo->shadow = NULL;
 802                         }
 803                         drm_gem_object_get(&qdev->dumb_shadow_bo->tbo.base);
 804                         user_bo->shadow = qdev->dumb_shadow_bo;
 805                 }
 806         }
 807
 808         ret = qxl_bo_pin(user_bo);
 809         if (ret)
 810                 return ret;
 811
 812         return 0;
 813 }
 814
 815 static void qxl_plane_cleanup_fb(struct drm_plane *plane,
 816                                  struct drm_plane_state *old_state)
 817 {
 818         struct drm_gem_object *obj;
 819         struct qxl_bo *user_bo;
 820
 821         if (!old_state->fb) {
 822                 /*
 823                  * we never executed prepare_fb, so there's nothing to
 824                  * unpin.
 825                  */
 826                 return;
 827         }
 828
 829         obj = old_state->fb->obj[0];
 830         user_bo = gem_to_qxl_bo(obj);
 831         qxl_bo_unpin(user_bo);
 832
 833         if (old_state->fb != plane->state->fb && user_bo->shadow) {
 834                 drm_gem_object_put(&user_bo->shadow->tbo.base);
 835                 user_bo->shadow = NULL;
 836         }
 837 }
 838
 839 static const uint32_t qxl_cursor_plane_formats[] = {
 840         DRM_FORMAT_ARGB8888,
 841 };
 842
 843 static const struct drm_plane_helper_funcs qxl_cursor_helper_funcs = {
 844         .atomic_update = qxl_cursor_atomic_update,
 845         .atomic_disable = qxl_cursor_atomic_disable,
 846         .prepare_fb = qxl_plane_prepare_fb,
 847         .cleanup_fb = qxl_plane_cleanup_fb,
 848 };
 849
 850 static const struct drm_plane_funcs qxl_cursor_plane_funcs = {
 851         .update_plane   = drm_atomic_helper_update_plane,
 852         .disable_plane  = drm_atomic_helper_disable_plane,
 853         .destroy        = drm_primary_helper_destroy,
 854         .reset          = drm_atomic_helper_plane_reset,
 855         .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
 856         .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
 857 };
 858
 859 static const uint32_t qxl_primary_plane_formats[] = {
 860         DRM_FORMAT_XRGB8888,
 861         DRM_FORMAT_ARGB8888,
 862 };
 863
 864 static const struct drm_plane_helper_funcs primary_helper_funcs = {
 865         .atomic_check = qxl_primary_atomic_check,
 866         .atomic_update = qxl_primary_atomic_update,
 867         .atomic_disable = qxl_primary_atomic_disable,
 868         .prepare_fb = qxl_plane_prepare_fb,
 869         .cleanup_fb = qxl_plane_cleanup_fb,
 870 };
 871
 872 static const struct drm_plane_funcs qxl_primary_plane_funcs = {
 873         .update_plane   = drm_atomic_helper_update_plane,
 874         .disable_plane  = drm_atomic_helper_disable_plane,
 875         .destroy        = drm_primary_helper_destroy,
 876         .reset          = drm_atomic_helper_plane_reset,
 877         .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
 878         .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
 879 };
 880
 881 static struct drm_plane *qxl_create_plane(struct qxl_device *qdev,
 882                                           unsigned int possible_crtcs,
 883                                           enum drm_plane_type type)
 884 {
 885         const struct drm_plane_helper_funcs *helper_funcs = NULL;
 886         struct drm_plane *plane;
 887         const struct drm_plane_funcs *funcs;
 888         const uint32_t *formats;
 889         int num_formats;
 890         int err;
 891
 892         if (type == DRM_PLANE_TYPE_PRIMARY) {
 893                 funcs = &qxl_primary_plane_funcs;
 894                 formats = qxl_primary_plane_formats;
 895                 num_formats = ARRAY_SIZE(qxl_primary_plane_formats);
 896                 helper_funcs = &primary_helper_funcs;
 897         } else if (type == DRM_PLANE_TYPE_CURSOR) {
 898                 funcs = &qxl_cursor_plane_funcs;
 899                 formats = qxl_cursor_plane_formats;
 900                 helper_funcs = &qxl_cursor_helper_funcs;
 901                 num_formats = ARRAY_SIZE(qxl_cursor_plane_formats);
 902         } else {
 903                 return ERR_PTR(-EINVAL);
 904         }
 905
 906         plane = kzalloc(sizeof(*plane), GFP_KERNEL);
 907         if (!plane)
 908                 return ERR_PTR(-ENOMEM);
 909
 910         err = drm_universal_plane_init(&qdev->ddev, plane, possible_crtcs,
 911                                        funcs, formats, num_formats,
 912                                        NULL, type, NULL);
 913         if (err)
 914                 goto free_plane;
 915
 916         drm_plane_helper_add(plane, helper_funcs);
 917
 918         return plane;
 919
 920 free_plane:
 921         kfree(plane);
 922         return ERR_PTR(-EINVAL);
 923 }
 924
 925 static int qdev_crtc_init(struct drm_device *dev, int crtc_id)
 926 {
 927         struct qxl_crtc *qxl_crtc;
 928         struct drm_plane *primary, *cursor;
 929         struct qxl_device *qdev = to_qxl(dev);
 930         int r;
 931
 932         qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL);
 933         if (!qxl_crtc)
 934                 return -ENOMEM;
 935
 936         primary = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_PRIMARY);
 937         if (IS_ERR(primary)) {
 938                 r = -ENOMEM;
 939                 goto free_mem;
 940         }
 941
 942         cursor = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_CURSOR);
 943         if (IS_ERR(cursor)) {
 944                 r = -ENOMEM;
 945                 goto clean_primary;
 946         }
 947
 948         r = drm_crtc_init_with_planes(dev, &qxl_crtc->base, primary, cursor,
 949                                       &qxl_crtc_funcs, NULL);
 950         if (r)
 951                 goto clean_cursor;
 952
 953         qxl_crtc->index = crtc_id;
 954         drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs);
 955         return 0;
 956
 957 clean_cursor:
 958         drm_plane_cleanup(cursor);
 959         kfree(cursor);
 960 clean_primary:
 961         drm_plane_cleanup(primary);
 962         kfree(primary);
 963 free_mem:
 964         kfree(qxl_crtc);
 965         return r;
 966 }
 967
 968 static int qxl_conn_get_modes(struct drm_connector *connector)
 969 {
 970         struct drm_device *dev = connector->dev;
 971         struct qxl_device *qdev = to_qxl(dev);
 972         struct qxl_output *output = drm_connector_to_qxl_output(connector);
 973         unsigned int pwidth = 1024;
 974         unsigned int pheight = 768;
 975         int ret = 0;
 976
 977         if (qdev->client_monitors_config) {
 978                 struct qxl_head *head;
 979                 head = &qdev->client_monitors_config->heads[output->index];
 980                 if (head->width)
 981                         pwidth = head->width;
 982                 if (head->height)
 983                         pheight = head->height;
 984         }
 985
 986         ret += drm_add_modes_noedid(connector, 8192, 8192);
 987         ret += qxl_add_extra_modes(connector);
 988         ret += qxl_add_monitors_config_modes(connector);
 989         drm_set_preferred_mode(connector, pwidth, pheight);
 990         return ret;
 991 }
 992
 993 static enum drm_mode_status qxl_conn_mode_valid(struct drm_connector *connector,
 994                                struct drm_display_mode *mode)
 995 {
 996         struct drm_device *ddev = connector->dev;
 997         struct qxl_device *qdev = to_qxl(ddev);
 998
 999         if (qxl_check_mode(qdev, mode->hdisplay, mode->vdisplay) != 0)
1000                 return MODE_BAD;
1001
1002         return MODE_OK;
1003 }
1004
1005 static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector)
1006 {
1007         struct qxl_output *qxl_output =
1008                 drm_connector_to_qxl_output(connector);
1009
1010         DRM_DEBUG("\n");
1011         return &qxl_output->enc;
1012 }
1013
1014 static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = {
1015         .get_modes = qxl_conn_get_modes,
1016         .mode_valid = qxl_conn_mode_valid,
1017         .best_encoder = qxl_best_encoder,
1018 };
1019
1020 static enum drm_connector_status qxl_conn_detect(
1021                         struct drm_connector *connector,
1022                         bool force)
1023 {
1024         struct qxl_output *output =
1025                 drm_connector_to_qxl_output(connector);
1026         struct drm_device *ddev = connector->dev;
1027         struct qxl_device *qdev = to_qxl(ddev);
1028         bool connected = false;
1029
1030         /* The first monitor is always connected */
1031         if (!qdev->client_monitors_config) {
1032                 if (output->index == 0)
1033                         connected = true;
1034         } else
1035                 connected = qdev->client_monitors_config->count > output->index &&
1036                      qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]);
1037
1038         DRM_DEBUG("#%d connected: %d\n", output->index, connected);
1039
1040         return connected ? connector_status_connected
1041                          : connector_status_disconnected;
1042 }
1043
1044 static void qxl_conn_destroy(struct drm_connector *connector)
1045 {
1046         struct qxl_output *qxl_output =
1047                 drm_connector_to_qxl_output(connector);
1048
1049         drm_connector_unregister(connector);
1050         drm_connector_cleanup(connector);
1051         kfree(qxl_output);
1052 }
1053
1054 static const struct drm_connector_funcs qxl_connector_funcs = {
1055         .detect = qxl_conn_detect,
1056         .fill_modes = drm_helper_probe_single_connector_modes,
1057         .destroy = qxl_conn_destroy,
1058         .reset = drm_atomic_helper_connector_reset,
1059         .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
1060         .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
1061 };
1062
1063 static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev)
1064 {
1065         if (qdev->hotplug_mode_update_property)
1066                 return 0;
1067
1068         qdev->hotplug_mode_update_property =
1069                 drm_property_create_range(&qdev->ddev, DRM_MODE_PROP_IMMUTABLE,
1070                                           "hotplug_mode_update", 0, 1);
1071
1072         return 0;
1073 }
1074
1075 static int qdev_output_init(struct drm_device *dev, int num_output)
1076 {
1077         struct qxl_device *qdev = to_qxl(dev);
1078         struct qxl_output *qxl_output;
1079         struct drm_connector *connector;
1080         struct drm_encoder *encoder;
1081         int ret;
1082
1083         qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL);
1084         if (!qxl_output)
1085                 return -ENOMEM;
1086
1087         qxl_output->index = num_output;
1088
1089         connector = &qxl_output->base;
1090         encoder = &qxl_output->enc;
1091         drm_connector_init(dev, &qxl_output->base,
1092                            &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL);
1093
1094         ret = drm_simple_encoder_init(dev, &qxl_output->enc,
1095                                       DRM_MODE_ENCODER_VIRTUAL);
1096         if (ret) {
1097                 drm_err(dev, "drm_simple_encoder_init() failed, error %d\n",
1098                         ret);
1099                 goto err_drm_connector_cleanup;
1100         }
1101
1102         /* we get HPD via client monitors config */
1103         connector->polled = DRM_CONNECTOR_POLL_HPD;
1104         encoder->possible_crtcs = 1 << num_output;
1105         drm_connector_attach_encoder(&qxl_output->base,
1106                                           &qxl_output->enc);
1107         drm_connector_helper_add(connector, &qxl_connector_helper_funcs);
1108
1109         drm_object_attach_property(&connector->base,
1110                                    qdev->hotplug_mode_update_property, 0);
1111         drm_object_attach_property(&connector->base,
1112                                    dev->mode_config.suggested_x_property, 0);
1113         drm_object_attach_property(&connector->base,
1114                                    dev->mode_config.suggested_y_property, 0);
1115         return 0;
1116
1117 err_drm_connector_cleanup:
1118         drm_connector_cleanup(&qxl_output->base);
1119         kfree(qxl_output);
1120         return ret;
1121 }
1122
1123 static struct drm_framebuffer *
1124 qxl_user_framebuffer_create(struct drm_device *dev,
1125                             struct drm_file *file_priv,
1126                             const struct drm_mode_fb_cmd2 *mode_cmd)
1127 {
1128         return drm_gem_fb_create_with_funcs(dev, file_priv, mode_cmd,
1129                                             &qxl_fb_funcs);
1130 }
1131
1132 static const struct drm_mode_config_funcs qxl_mode_funcs = {
1133         .fb_create = qxl_user_framebuffer_create,
1134         .atomic_check = drm_atomic_helper_check,
1135         .atomic_commit = drm_atomic_helper_commit,
1136 };
1137
1138 int qxl_create_monitors_object(struct qxl_device *qdev)
1139 {
1140         int ret;
1141         struct drm_gem_object *gobj;
1142         int monitors_config_size = sizeof(struct qxl_monitors_config) +
1143                 qxl_num_crtc * sizeof(struct qxl_head);
1144
1145         ret = qxl_gem_object_create(qdev, monitors_config_size, 0,
1146                                     QXL_GEM_DOMAIN_VRAM,
1147                                     false, false, NULL, &gobj);
1148         if (ret) {
1149                 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret);
1150                 return -ENOMEM;
1151         }
1152         qdev->monitors_config_bo = gem_to_qxl_bo(gobj);
1153
1154         ret = qxl_bo_pin(qdev->monitors_config_bo);
1155         if (ret)
1156                 return ret;
1157
1158         qxl_bo_kmap(qdev->monitors_config_bo, NULL);
1159
1160         qdev->monitors_config = qdev->monitors_config_bo->kptr;
1161         qdev->ram_header->monitors_config =
1162                 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0);
1163
1164         memset(qdev->monitors_config, 0, monitors_config_size);
1165         qdev->dumb_heads = kcalloc(qxl_num_crtc, sizeof(qdev->dumb_heads[0]),
1166                                    GFP_KERNEL);
1167         if (!qdev->dumb_heads) {
1168                 qxl_destroy_monitors_object(qdev);
1169                 return -ENOMEM;
1170         }
1171         return 0;
1172 }
1173
1174 int qxl_destroy_monitors_object(struct qxl_device *qdev)
1175 {
1176         int ret;
1177
1178         qdev->monitors_config = NULL;
1179         qdev->ram_header->monitors_config = 0;
1180
1181         qxl_bo_kunmap(qdev->monitors_config_bo);
1182         ret = qxl_bo_unpin(qdev->monitors_config_bo);
1183         if (ret)
1184                 return ret;
1185
1186         qxl_bo_unref(&qdev->monitors_config_bo);
1187         return 0;
1188 }
1189
1190 int qxl_modeset_init(struct qxl_device *qdev)
1191 {
1192         int i;
1193         int ret;
1194
1195         drm_mode_config_init(&qdev->ddev);
1196
1197         ret = qxl_create_monitors_object(qdev);
1198         if (ret)
1199                 return ret;
1200
1201         qdev->ddev.mode_config.funcs = (void *)&qxl_mode_funcs;
1202
1203         /* modes will be validated against the framebuffer size */
1204         qdev->ddev.mode_config.min_width = 0;
1205         qdev->ddev.mode_config.min_height = 0;
1206         qdev->ddev.mode_config.max_width = 8192;
1207         qdev->ddev.mode_config.max_height = 8192;
1208
1209         qdev->ddev.mode_config.fb_base = qdev->vram_base;
1210
1211         drm_mode_create_suggested_offset_properties(&qdev->ddev);
1212         qxl_mode_create_hotplug_mode_update_property(qdev);
1213
1214         for (i = 0 ; i < qxl_num_crtc; ++i) {
1215                 qdev_crtc_init(&qdev->ddev, i);
1216                 qdev_output_init(&qdev->ddev, i);
1217         }
1218
1219         qxl_display_read_client_monitors_config(qdev);
1220
1221         drm_mode_config_reset(&qdev->ddev);
1222         return 0;
1223 }
1224
1225 void qxl_modeset_fini(struct qxl_device *qdev)
1226 {
1227         if (qdev->dumb_shadow_bo) {
1228                 drm_gem_object_put(&qdev->dumb_shadow_bo->tbo.base);
1229                 qdev->dumb_shadow_bo = NULL;
1230         }
1231         qxl_destroy_monitors_object(qdev);
1232         drm_mode_config_cleanup(&qdev->ddev);
1233 }