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 #include <linux/dma-buf-map.h>
  29
  30 #include <drm/drm_drv.h>
  31 #include <drm/drm_atomic.h>
  32 #include <drm/drm_atomic_helper.h>
  33 #include <drm/drm_gem_framebuffer_helper.h>
  34 #include <drm/drm_plane_helper.h>
  35 #include <drm/drm_probe_helper.h>
  36 #include <drm/drm_simple_kms_helper.h>
  37
  38 #include "qxl_drv.h"
  39 #include "qxl_object.h"
  40
  41 static bool qxl_head_enabled(struct qxl_head *head)
  42 {
  43         return head->width && head->height;
  44 }
  45
  46 static int qxl_alloc_client_monitors_config(struct qxl_device *qdev,
  47                 unsigned int count)
  48 {
  49         if (qdev->client_monitors_config &&
  50             count > qdev->client_monitors_config->count) {
  51                 kfree(qdev->client_monitors_config);
  52                 qdev->client_monitors_config = NULL;
  53         }
  54         if (!qdev->client_monitors_config) {
  55                 qdev->client_monitors_config = kzalloc(
  56                                 struct_size(qdev->client_monitors_config,
  57                                 heads, count), GFP_KERNEL);
  58                 if (!qdev->client_monitors_config)
  59                         return -ENOMEM;
  60         }
  61         qdev->client_monitors_config->count = count;
  62         return 0;
  63 }
  64
  65 enum {
  66         MONITORS_CONFIG_MODIFIED,
  67         MONITORS_CONFIG_UNCHANGED,
  68         MONITORS_CONFIG_BAD_CRC,
  69         MONITORS_CONFIG_ERROR,
  70 };
  71
  72 static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev)
  73 {
  74         int i;
  75         int num_monitors;
  76         uint32_t crc;
  77         int status = MONITORS_CONFIG_UNCHANGED;
  78
  79         num_monitors = qdev->rom->client_monitors_config.count;
  80         crc = crc32(0, (const uint8_t *)&qdev->rom->client_monitors_config,
  81                   sizeof(qdev->rom->client_monitors_config));
  82         if (crc != qdev->rom->client_monitors_config_crc)
  83                 return MONITORS_CONFIG_BAD_CRC;
  84         if (!num_monitors) {
  85                 DRM_DEBUG_KMS("no client monitors configured\n");
  86                 return status;
  87         }
  88         if (num_monitors > qxl_num_crtc) {
  89                 DRM_DEBUG_KMS("client monitors list will be truncated: %d < %d\n",
  90                               qxl_num_crtc, num_monitors);
  91                 num_monitors = qxl_num_crtc;
  92         } else {
  93                 num_monitors = qdev->rom->client_monitors_config.count;
  94         }
  95         if (qdev->client_monitors_config
  96               && (num_monitors != qdev->client_monitors_config->count)) {
  97                 status = MONITORS_CONFIG_MODIFIED;
  98         }
  99         if (qxl_alloc_client_monitors_config(qdev, num_monitors)) {
 100                 status = MONITORS_CONFIG_ERROR;
 101                 return status;
 102         }
 103         /* we copy max from the client but it isn't used */
 104         qdev->client_monitors_config->max_allowed = qxl_num_crtc;
 105         for (i = 0 ; i < qdev->client_monitors_config->count ; ++i) {
 106                 struct qxl_urect *c_rect =
 107                         &qdev->rom->client_monitors_config.heads[i];
 108                 struct qxl_head *client_head =
 109                         &qdev->client_monitors_config->heads[i];
 110                 if (client_head->x != c_rect->left) {
 111                         client_head->x = c_rect->left;
 112                         status = MONITORS_CONFIG_MODIFIED;
 113                 }
 114                 if (client_head->y != c_rect->top) {
 115                         client_head->y = c_rect->top;
 116                         status = MONITORS_CONFIG_MODIFIED;
 117                 }
 118                 if (client_head->width != c_rect->right - c_rect->left) {
 119                         client_head->width = c_rect->right - c_rect->left;
 120                         status = MONITORS_CONFIG_MODIFIED;
 121                 }
 122                 if (client_head->height != c_rect->bottom - c_rect->top) {
 123                         client_head->height = c_rect->bottom - c_rect->top;
 124                         status = MONITORS_CONFIG_MODIFIED;
 125                 }
 126                 if (client_head->surface_id != 0) {
 127                         client_head->surface_id = 0;
 128                         status = MONITORS_CONFIG_MODIFIED;
 129                 }
 130                 if (client_head->id != i) {
 131                         client_head->id = i;
 132                         status = MONITORS_CONFIG_MODIFIED;
 133                 }
 134                 if (client_head->flags != 0) {
 135                         client_head->flags = 0;
 136                         status = MONITORS_CONFIG_MODIFIED;
 137                 }
 138                 DRM_DEBUG_KMS("read %dx%d+%d+%d\n", client_head->width, client_head->height,
 139                           client_head->x, client_head->y);
 140         }
 141
 142         return status;
 143 }
 144
 145 static void qxl_update_offset_props(struct qxl_device *qdev)
 146 {
 147         struct drm_device *dev = &qdev->ddev;
 148         struct drm_connector *connector;
 149         struct qxl_output *output;
 150         struct qxl_head *head;
 151
 152         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 153                 output = drm_connector_to_qxl_output(connector);
 154
 155                 head = &qdev->client_monitors_config->heads[output->index];
 156
 157                 drm_object_property_set_value(&connector->base,
 158                         dev->mode_config.suggested_x_property, head->x);
 159                 drm_object_property_set_value(&connector->base,
 160                         dev->mode_config.suggested_y_property, head->y);
 161         }
 162 }
 163
 164 void qxl_display_read_client_monitors_config(struct qxl_device *qdev)
 165 {
 166         struct drm_device *dev = &qdev->ddev;
 167         struct drm_modeset_acquire_ctx ctx;
 168         int status, retries, ret;
 169
 170         for (retries = 0; retries < 10; retries++) {
 171                 status = qxl_display_copy_rom_client_monitors_config(qdev);
 172                 if (status != MONITORS_CONFIG_BAD_CRC)
 173                         break;
 174                 udelay(5);
 175         }
 176         if (status == MONITORS_CONFIG_ERROR) {
 177                 DRM_DEBUG_KMS("ignoring client monitors config: error");
 178                 return;
 179         }
 180         if (status == MONITORS_CONFIG_BAD_CRC) {
 181                 DRM_DEBUG_KMS("ignoring client monitors config: bad crc");
 182                 return;
 183         }
 184         if (status == MONITORS_CONFIG_UNCHANGED) {
 185                 DRM_DEBUG_KMS("ignoring client monitors config: unchanged");
 186                 return;
 187         }
 188
 189         DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE, ret);
 190         qxl_update_offset_props(qdev);
 191         DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
 192         if (!drm_helper_hpd_irq_event(dev)) {
 193                 /* notify that the monitor configuration changed, to
 194                    adjust at the arbitrary resolution */
 195                 drm_kms_helper_hotplug_event(dev);
 196         }
 197 }
 198
 199 static int qxl_check_mode(struct qxl_device *qdev,
 200                           unsigned int width,
 201                           unsigned int height)
 202 {
 203         unsigned int stride;
 204         unsigned int size;
 205
 206         if (check_mul_overflow(width, 4u, &stride))
 207                 return -EINVAL;
 208         if (check_mul_overflow(stride, height, &size))
 209                 return -EINVAL;
 210         if (size > qdev->vram_size)
 211                 return -ENOMEM;
 212         return 0;
 213 }
 214
 215 static int qxl_check_framebuffer(struct qxl_device *qdev,
 216                                  struct qxl_bo *bo)
 217 {
 218         return qxl_check_mode(qdev, bo->surf.width, bo->surf.height);
 219 }
 220
 221 static int qxl_add_mode(struct drm_connector *connector,
 222                         unsigned int width,
 223                         unsigned int height,
 224                         bool preferred)
 225 {
 226         struct drm_device *dev = connector->dev;
 227         struct qxl_device *qdev = to_qxl(dev);
 228         struct drm_display_mode *mode = NULL;
 229         int rc;
 230
 231         rc = qxl_check_mode(qdev, width, height);
 232         if (rc != 0)
 233                 return 0;
 234
 235         mode = drm_cvt_mode(dev, width, height, 60, false, false, false);
 236         if (preferred)
 237                 mode->type |= DRM_MODE_TYPE_PREFERRED;
 238         mode->hdisplay = width;
 239         mode->vdisplay = height;
 240         drm_mode_set_name(mode);
 241         drm_mode_probed_add(connector, mode);
 242         return 1;
 243 }
 244
 245 static int qxl_add_monitors_config_modes(struct drm_connector *connector)
 246 {
 247         struct drm_device *dev = connector->dev;
 248         struct qxl_device *qdev = to_qxl(dev);
 249         struct qxl_output *output = drm_connector_to_qxl_output(connector);
 250         int h = output->index;
 251         struct qxl_head *head;
 252
 253         if (!qdev->monitors_config)
 254                 return 0;
 255         if (h >= qxl_num_crtc)
 256                 return 0;
 257         if (!qdev->client_monitors_config)
 258                 return 0;
 259         if (h >= qdev->client_monitors_config->count)
 260                 return 0;
 261
 262         head = &qdev->client_monitors_config->heads[h];
 263         DRM_DEBUG_KMS("head %d is %dx%d\n", h, head->width, head->height);
 264
 265         return qxl_add_mode(connector, head->width, head->height, true);
 266 }
 267
 268 static struct mode_size {
 269         int w;
 270         int h;
 271 } extra_modes[] = {
 272         { 720,  480},
 273         {1152,  768},
 274         {1280,  854},
 275 };
 276
 277 static int qxl_add_extra_modes(struct drm_connector *connector)
 278 {
 279         int i, ret = 0;
 280
 281         for (i = 0; i < ARRAY_SIZE(extra_modes); i++)
 282                 ret += qxl_add_mode(connector,
 283                                     extra_modes[i].w,
 284                                     extra_modes[i].h,
 285                                     false);
 286         return ret;
 287 }
 288
 289 static void qxl_send_monitors_config(struct qxl_device *qdev)
 290 {
 291         int i;
 292
 293         BUG_ON(!qdev->ram_header->monitors_config);
 294
 295         if (qdev->monitors_config->count == 0)
 296                 return;
 297
 298         for (i = 0 ; i < qdev->monitors_config->count ; ++i) {
 299                 struct qxl_head *head = &qdev->monitors_config->heads[i];
 300
 301                 if (head->y > 8192 || head->x > 8192 ||
 302                     head->width > 8192 || head->height > 8192) {
 303                         DRM_ERROR("head %d wrong: %dx%d+%d+%d\n",
 304                                   i, head->width, head->height,
 305                                   head->x, head->y);
 306                         return;
 307                 }
 308         }
 309         qxl_io_monitors_config(qdev);
 310 }
 311
 312 static void qxl_crtc_update_monitors_config(struct drm_crtc *crtc,
 313                                             const char *reason)
 314 {
 315         struct drm_device *dev = crtc->dev;
 316         struct qxl_device *qdev = to_qxl(dev);
 317         struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
 318         struct qxl_head head;
 319         int oldcount, i = qcrtc->index;
 320
 321         if (!qdev->primary_bo) {
 322                 DRM_DEBUG_KMS("no primary surface, skip (%s)\n", reason);
 323                 return;
 324         }
 325
 326         if (!qdev->monitors_config || qxl_num_crtc <= i)
 327                 return;
 328
 329         head.id = i;
 330         head.flags = 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_atomic_state *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_atomic_state *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_atomic_state *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         struct dma_buf_map user_map;
 586         struct dma_buf_map cursor_map;
 587         void *user_ptr;
 588         int size = 64*64*4;
 589
 590         ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
 591                                          QXL_RELEASE_CURSOR_CMD,
 592                                          &release, NULL);
 593         if (ret)
 594                 return;
 595
 596         if (fb != old_state->fb) {
 597                 obj = fb->obj[0];
 598                 user_bo = gem_to_qxl_bo(obj);
 599
 600                 /* pinning is done in the prepare/cleanup framevbuffer */
 601                 ret = qxl_bo_kmap(user_bo, &user_map);
 602                 if (ret)
 603                         goto out_free_release;
 604                 user_ptr = user_map.vaddr; /* TODO: Use mapping abstraction properly */
 605
 606                 ret = qxl_alloc_bo_reserved(qdev, release,
 607                                             sizeof(struct qxl_cursor) + size,
 608                                             &cursor_bo);
 609                 if (ret)
 610                         goto out_kunmap;
 611
 612                 ret = qxl_bo_pin(cursor_bo);
 613                 if (ret)
 614                         goto out_free_bo;
 615
 616                 ret = qxl_release_reserve_list(release, true);
 617                 if (ret)
 618                         goto out_unpin;
 619
 620                 ret = qxl_bo_kmap(cursor_bo, &cursor_map);
 621                 if (ret)
 622                         goto out_backoff;
 623                 if (cursor_map.is_iomem) /* TODO: Use mapping abstraction properly */
 624                         cursor = (struct qxl_cursor __force *)cursor_map.vaddr_iomem;
 625                 else
 626                         cursor = (struct qxl_cursor *)cursor_map.vaddr;
 627
 628                 cursor->header.unique = 0;
 629                 cursor->header.type = SPICE_CURSOR_TYPE_ALPHA;
 630                 cursor->header.width = 64;
 631                 cursor->header.height = 64;
 632                 cursor->header.hot_spot_x = fb->hot_x;
 633                 cursor->header.hot_spot_y = fb->hot_y;
 634                 cursor->data_size = size;
 635                 cursor->chunk.next_chunk = 0;
 636                 cursor->chunk.prev_chunk = 0;
 637                 cursor->chunk.data_size = size;
 638                 memcpy(cursor->chunk.data, user_ptr, size);
 639                 qxl_bo_kunmap(cursor_bo);
 640                 qxl_bo_kunmap(user_bo);
 641
 642                 cmd = (struct qxl_cursor_cmd *) qxl_release_map(qdev, release);
 643                 cmd->u.set.visible = 1;
 644                 cmd->u.set.shape = qxl_bo_physical_address(qdev,
 645                                                            cursor_bo, 0);
 646                 cmd->type = QXL_CURSOR_SET;
 647
 648                 old_cursor_bo = qcrtc->cursor_bo;
 649                 qcrtc->cursor_bo = cursor_bo;
 650                 cursor_bo = NULL;
 651         } else {
 652
 653                 ret = qxl_release_reserve_list(release, true);
 654                 if (ret)
 655                         goto out_free_release;
 656
 657                 cmd = (struct qxl_cursor_cmd *) qxl_release_map(qdev, release);
 658                 cmd->type = QXL_CURSOR_MOVE;
 659         }
 660
 661         cmd->u.position.x = plane->state->crtc_x + fb->hot_x;
 662         cmd->u.position.y = plane->state->crtc_y + fb->hot_y;
 663
 664         qxl_release_unmap(qdev, release, &cmd->release_info);
 665         qxl_release_fence_buffer_objects(release);
 666         qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
 667
 668         if (old_cursor_bo != NULL)
 669                 qxl_bo_unpin(old_cursor_bo);
 670         qxl_bo_unref(&old_cursor_bo);
 671         qxl_bo_unref(&cursor_bo);
 672
 673         return;
 674
 675 out_backoff:
 676         qxl_release_backoff_reserve_list(release);
 677 out_unpin:
 678         qxl_bo_unpin(cursor_bo);
 679 out_free_bo:
 680         qxl_bo_unref(&cursor_bo);
 681 out_kunmap:
 682         qxl_bo_kunmap(user_bo);
 683 out_free_release:
 684         qxl_release_free(qdev, release);
 685         return;
 686
 687 }
 688
 689 static void qxl_cursor_atomic_disable(struct drm_plane *plane,
 690                                       struct drm_plane_state *old_state)
 691 {
 692         struct qxl_device *qdev = to_qxl(plane->dev);
 693         struct qxl_release *release;
 694         struct qxl_cursor_cmd *cmd;
 695         int ret;
 696
 697         ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
 698                                          QXL_RELEASE_CURSOR_CMD,
 699                                          &release, NULL);
 700         if (ret)
 701                 return;
 702
 703         ret = qxl_release_reserve_list(release, true);
 704         if (ret) {
 705                 qxl_release_free(qdev, release);
 706                 return;
 707         }
 708
 709         cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
 710         cmd->type = QXL_CURSOR_HIDE;
 711         qxl_release_unmap(qdev, release, &cmd->release_info);
 712
 713         qxl_release_fence_buffer_objects(release);
 714         qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
 715 }
 716
 717 static void qxl_update_dumb_head(struct qxl_device *qdev,
 718                                  int index, struct qxl_bo *bo)
 719 {
 720         uint32_t width, height;
 721
 722         if (index >= qdev->monitors_config->max_allowed)
 723                 return;
 724
 725         if (bo && bo->is_dumb) {
 726                 width = bo->surf.width;
 727                 height = bo->surf.height;
 728         } else {
 729                 width = 0;
 730                 height = 0;
 731         }
 732
 733         if (qdev->dumb_heads[index].width == width &&
 734             qdev->dumb_heads[index].height == height)
 735                 return;
 736
 737         DRM_DEBUG("#%d: %dx%d -> %dx%d\n", index,
 738                   qdev->dumb_heads[index].width,
 739                   qdev->dumb_heads[index].height,
 740                   width, height);
 741         qdev->dumb_heads[index].width = width;
 742         qdev->dumb_heads[index].height = height;
 743 }
 744
 745 static void qxl_calc_dumb_shadow(struct qxl_device *qdev,
 746                                  struct qxl_surface *surf)
 747 {
 748         struct qxl_head *head;
 749         int i;
 750
 751         memset(surf, 0, sizeof(*surf));
 752         for (i = 0; i < qdev->monitors_config->max_allowed; i++) {
 753                 head = qdev->dumb_heads + i;
 754                 head->x = surf->width;
 755                 surf->width += head->width;
 756                 if (surf->height < head->height)
 757                         surf->height = head->height;
 758         }
 759         if (surf->width < 64)
 760                 surf->width = 64;
 761         if (surf->height < 64)
 762                 surf->height = 64;
 763         surf->format = SPICE_SURFACE_FMT_32_xRGB;
 764         surf->stride = surf->width * 4;
 765
 766         if (!qdev->dumb_shadow_bo ||
 767             qdev->dumb_shadow_bo->surf.width != surf->width ||
 768             qdev->dumb_shadow_bo->surf.height != surf->height)
 769                 DRM_DEBUG("%dx%d\n", surf->width, surf->height);
 770 }
 771
 772 static int qxl_plane_prepare_fb(struct drm_plane *plane,
 773                                 struct drm_plane_state *new_state)
 774 {
 775         struct qxl_device *qdev = to_qxl(plane->dev);
 776         struct drm_gem_object *obj;
 777         struct qxl_bo *user_bo;
 778         struct qxl_surface surf;
 779
 780         if (!new_state->fb)
 781                 return 0;
 782
 783         obj = new_state->fb->obj[0];
 784         user_bo = gem_to_qxl_bo(obj);
 785
 786         if (plane->type == DRM_PLANE_TYPE_PRIMARY &&
 787             user_bo->is_dumb) {
 788                 qxl_update_dumb_head(qdev, new_state->crtc->index,
 789                                      user_bo);
 790                 qxl_calc_dumb_shadow(qdev, &surf);
 791                 if (!qdev->dumb_shadow_bo ||
 792                     qdev->dumb_shadow_bo->surf.width  != surf.width ||
 793                     qdev->dumb_shadow_bo->surf.height != surf.height) {
 794                         if (qdev->dumb_shadow_bo) {
 795                                 drm_gem_object_put
 796                                         (&qdev->dumb_shadow_bo->tbo.base);
 797                                 qdev->dumb_shadow_bo = NULL;
 798                         }
 799                         qxl_bo_create(qdev, surf.height * surf.stride,
 800                                       true, true, QXL_GEM_DOMAIN_SURFACE, &surf,
 801                                       &qdev->dumb_shadow_bo);
 802                 }
 803                 if (user_bo->shadow != qdev->dumb_shadow_bo) {
 804                         if (user_bo->shadow) {
 805                                 drm_gem_object_put
 806                                         (&user_bo->shadow->tbo.base);
 807                                 user_bo->shadow = NULL;
 808                         }
 809                         drm_gem_object_get(&qdev->dumb_shadow_bo->tbo.base);
 810                         user_bo->shadow = qdev->dumb_shadow_bo;
 811                 }
 812         }
 813
 814         return qxl_bo_pin(user_bo);
 815 }
 816
 817 static void qxl_plane_cleanup_fb(struct drm_plane *plane,
 818                                  struct drm_plane_state *old_state)
 819 {
 820         struct drm_gem_object *obj;
 821         struct qxl_bo *user_bo;
 822
 823         if (!old_state->fb) {
 824                 /*
 825                  * we never executed prepare_fb, so there's nothing to
 826                  * unpin.
 827                  */
 828                 return;
 829         }
 830
 831         obj = old_state->fb->obj[0];
 832         user_bo = gem_to_qxl_bo(obj);
 833         qxl_bo_unpin(user_bo);
 834
 835         if (old_state->fb != plane->state->fb && user_bo->shadow) {
 836                 drm_gem_object_put(&user_bo->shadow->tbo.base);
 837                 user_bo->shadow = NULL;
 838         }
 839 }
 840
 841 static const uint32_t qxl_cursor_plane_formats[] = {
 842         DRM_FORMAT_ARGB8888,
 843 };
 844
 845 static const struct drm_plane_helper_funcs qxl_cursor_helper_funcs = {
 846         .atomic_update = qxl_cursor_atomic_update,
 847         .atomic_disable = qxl_cursor_atomic_disable,
 848         .prepare_fb = qxl_plane_prepare_fb,
 849         .cleanup_fb = qxl_plane_cleanup_fb,
 850 };
 851
 852 static const struct drm_plane_funcs qxl_cursor_plane_funcs = {
 853         .update_plane   = drm_atomic_helper_update_plane,
 854         .disable_plane  = drm_atomic_helper_disable_plane,
 855         .destroy        = drm_primary_helper_destroy,
 856         .reset          = drm_atomic_helper_plane_reset,
 857         .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
 858         .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
 859 };
 860
 861 static const uint32_t qxl_primary_plane_formats[] = {
 862         DRM_FORMAT_XRGB8888,
 863         DRM_FORMAT_ARGB8888,
 864 };
 865
 866 static const struct drm_plane_helper_funcs primary_helper_funcs = {
 867         .atomic_check = qxl_primary_atomic_check,
 868         .atomic_update = qxl_primary_atomic_update,
 869         .atomic_disable = qxl_primary_atomic_disable,
 870         .prepare_fb = qxl_plane_prepare_fb,
 871         .cleanup_fb = qxl_plane_cleanup_fb,
 872 };
 873
 874 static const struct drm_plane_funcs qxl_primary_plane_funcs = {
 875         .update_plane   = drm_atomic_helper_update_plane,
 876         .disable_plane  = drm_atomic_helper_disable_plane,
 877         .destroy        = drm_primary_helper_destroy,
 878         .reset          = drm_atomic_helper_plane_reset,
 879         .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
 880         .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
 881 };
 882
 883 static struct drm_plane *qxl_create_plane(struct qxl_device *qdev,
 884                                           unsigned int possible_crtcs,
 885                                           enum drm_plane_type type)
 886 {
 887         const struct drm_plane_helper_funcs *helper_funcs = NULL;
 888         struct drm_plane *plane;
 889         const struct drm_plane_funcs *funcs;
 890         const uint32_t *formats;
 891         int num_formats;
 892         int err;
 893
 894         if (type == DRM_PLANE_TYPE_PRIMARY) {
 895                 funcs = &qxl_primary_plane_funcs;
 896                 formats = qxl_primary_plane_formats;
 897                 num_formats = ARRAY_SIZE(qxl_primary_plane_formats);
 898                 helper_funcs = &primary_helper_funcs;
 899         } else if (type == DRM_PLANE_TYPE_CURSOR) {
 900                 funcs = &qxl_cursor_plane_funcs;
 901                 formats = qxl_cursor_plane_formats;
 902                 helper_funcs = &qxl_cursor_helper_funcs;
 903                 num_formats = ARRAY_SIZE(qxl_cursor_plane_formats);
 904         } else {
 905                 return ERR_PTR(-EINVAL);
 906         }
 907
 908         plane = kzalloc(sizeof(*plane), GFP_KERNEL);
 909         if (!plane)
 910                 return ERR_PTR(-ENOMEM);
 911
 912         err = drm_universal_plane_init(&qdev->ddev, plane, possible_crtcs,
 913                                        funcs, formats, num_formats,
 914                                        NULL, type, NULL);
 915         if (err)
 916                 goto free_plane;
 917
 918         drm_plane_helper_add(plane, helper_funcs);
 919
 920         return plane;
 921
 922 free_plane:
 923         kfree(plane);
 924         return ERR_PTR(-EINVAL);
 925 }
 926
 927 static int qdev_crtc_init(struct drm_device *dev, int crtc_id)
 928 {
 929         struct qxl_crtc *qxl_crtc;
 930         struct drm_plane *primary, *cursor;
 931         struct qxl_device *qdev = to_qxl(dev);
 932         int r;
 933
 934         qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL);
 935         if (!qxl_crtc)
 936                 return -ENOMEM;
 937
 938         primary = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_PRIMARY);
 939         if (IS_ERR(primary)) {
 940                 r = -ENOMEM;
 941                 goto free_mem;
 942         }
 943
 944         cursor = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_CURSOR);
 945         if (IS_ERR(cursor)) {
 946                 r = -ENOMEM;
 947                 goto clean_primary;
 948         }
 949
 950         r = drm_crtc_init_with_planes(dev, &qxl_crtc->base, primary, cursor,
 951                                       &qxl_crtc_funcs, NULL);
 952         if (r)
 953                 goto clean_cursor;
 954
 955         qxl_crtc->index = crtc_id;
 956         drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs);
 957         return 0;
 958
 959 clean_cursor:
 960         drm_plane_cleanup(cursor);
 961         kfree(cursor);
 962 clean_primary:
 963         drm_plane_cleanup(primary);
 964         kfree(primary);
 965 free_mem:
 966         kfree(qxl_crtc);
 967         return r;
 968 }
 969
 970 static int qxl_conn_get_modes(struct drm_connector *connector)
 971 {
 972         struct drm_device *dev = connector->dev;
 973         struct qxl_device *qdev = to_qxl(dev);
 974         struct qxl_output *output = drm_connector_to_qxl_output(connector);
 975         unsigned int pwidth = 1024;
 976         unsigned int pheight = 768;
 977         int ret = 0;
 978
 979         if (qdev->client_monitors_config) {
 980                 struct qxl_head *head;
 981                 head = &qdev->client_monitors_config->heads[output->index];
 982                 if (head->width)
 983                         pwidth = head->width;
 984                 if (head->height)
 985                         pheight = head->height;
 986         }
 987
 988         ret += drm_add_modes_noedid(connector, 8192, 8192);
 989         ret += qxl_add_extra_modes(connector);
 990         ret += qxl_add_monitors_config_modes(connector);
 991         drm_set_preferred_mode(connector, pwidth, pheight);
 992         return ret;
 993 }
 994
 995 static enum drm_mode_status qxl_conn_mode_valid(struct drm_connector *connector,
 996                                struct drm_display_mode *mode)
 997 {
 998         struct drm_device *ddev = connector->dev;
 999         struct qxl_device *qdev = to_qxl(ddev);
1000
1001         if (qxl_check_mode(qdev, mode->hdisplay, mode->vdisplay) != 0)
1002                 return MODE_BAD;
1003
1004         return MODE_OK;
1005 }
1006
1007 static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector)
1008 {
1009         struct qxl_output *qxl_output =
1010                 drm_connector_to_qxl_output(connector);
1011
1012         DRM_DEBUG("\n");
1013         return &qxl_output->enc;
1014 }
1015
1016 static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = {
1017         .get_modes = qxl_conn_get_modes,
1018         .mode_valid = qxl_conn_mode_valid,
1019         .best_encoder = qxl_best_encoder,
1020 };
1021
1022 static enum drm_connector_status qxl_conn_detect(
1023                         struct drm_connector *connector,
1024                         bool force)
1025 {
1026         struct qxl_output *output =
1027                 drm_connector_to_qxl_output(connector);
1028         struct drm_device *ddev = connector->dev;
1029         struct qxl_device *qdev = to_qxl(ddev);
1030         bool connected = false;
1031
1032         /* The first monitor is always connected */
1033         if (!qdev->client_monitors_config) {
1034                 if (output->index == 0)
1035                         connected = true;
1036         } else
1037                 connected = qdev->client_monitors_config->count > output->index &&
1038                      qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]);
1039
1040         DRM_DEBUG("#%d connected: %d\n", output->index, connected);
1041
1042         return connected ? connector_status_connected
1043                          : connector_status_disconnected;
1044 }
1045
1046 static void qxl_conn_destroy(struct drm_connector *connector)
1047 {
1048         struct qxl_output *qxl_output =
1049                 drm_connector_to_qxl_output(connector);
1050
1051         drm_connector_unregister(connector);
1052         drm_connector_cleanup(connector);
1053         kfree(qxl_output);
1054 }
1055
1056 static const struct drm_connector_funcs qxl_connector_funcs = {
1057         .detect = qxl_conn_detect,
1058         .fill_modes = drm_helper_probe_single_connector_modes,
1059         .destroy = qxl_conn_destroy,
1060         .reset = drm_atomic_helper_connector_reset,
1061         .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
1062         .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
1063 };
1064
1065 static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev)
1066 {
1067         if (qdev->hotplug_mode_update_property)
1068                 return 0;
1069
1070         qdev->hotplug_mode_update_property =
1071                 drm_property_create_range(&qdev->ddev, DRM_MODE_PROP_IMMUTABLE,
1072                                           "hotplug_mode_update", 0, 1);
1073
1074         return 0;
1075 }
1076
1077 static int qdev_output_init(struct drm_device *dev, int num_output)
1078 {
1079         struct qxl_device *qdev = to_qxl(dev);
1080         struct qxl_output *qxl_output;
1081         struct drm_connector *connector;
1082         struct drm_encoder *encoder;
1083         int ret;
1084
1085         qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL);
1086         if (!qxl_output)
1087                 return -ENOMEM;
1088
1089         qxl_output->index = num_output;
1090
1091         connector = &qxl_output->base;
1092         encoder = &qxl_output->enc;
1093         drm_connector_init(dev, &qxl_output->base,
1094                            &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL);
1095
1096         ret = drm_simple_encoder_init(dev, &qxl_output->enc,
1097                                       DRM_MODE_ENCODER_VIRTUAL);
1098         if (ret) {
1099                 drm_err(dev, "drm_simple_encoder_init() failed, error %d\n",
1100                         ret);
1101                 goto err_drm_connector_cleanup;
1102         }
1103
1104         /* we get HPD via client monitors config */
1105         connector->polled = DRM_CONNECTOR_POLL_HPD;
1106         encoder->possible_crtcs = 1 << num_output;
1107         drm_connector_attach_encoder(&qxl_output->base,
1108                                           &qxl_output->enc);
1109         drm_connector_helper_add(connector, &qxl_connector_helper_funcs);
1110
1111         drm_object_attach_property(&connector->base,
1112                                    qdev->hotplug_mode_update_property, 0);
1113         drm_object_attach_property(&connector->base,
1114                                    dev->mode_config.suggested_x_property, 0);
1115         drm_object_attach_property(&connector->base,
1116                                    dev->mode_config.suggested_y_property, 0);
1117         return 0;
1118
1119 err_drm_connector_cleanup:
1120         drm_connector_cleanup(&qxl_output->base);
1121         kfree(qxl_output);
1122         return ret;
1123 }
1124
1125 static struct drm_framebuffer *
1126 qxl_user_framebuffer_create(struct drm_device *dev,
1127                             struct drm_file *file_priv,
1128                             const struct drm_mode_fb_cmd2 *mode_cmd)
1129 {
1130         return drm_gem_fb_create_with_funcs(dev, file_priv, mode_cmd,
1131                                             &qxl_fb_funcs);
1132 }
1133
1134 static const struct drm_mode_config_funcs qxl_mode_funcs = {
1135         .fb_create = qxl_user_framebuffer_create,
1136         .atomic_check = drm_atomic_helper_check,
1137         .atomic_commit = drm_atomic_helper_commit,
1138 };
1139
1140 int qxl_create_monitors_object(struct qxl_device *qdev)
1141 {
1142         int ret;
1143         struct drm_gem_object *gobj;
1144         struct dma_buf_map map;
1145         int monitors_config_size = sizeof(struct qxl_monitors_config) +
1146                 qxl_num_crtc * sizeof(struct qxl_head);
1147
1148         ret = qxl_gem_object_create(qdev, monitors_config_size, 0,
1149                                     QXL_GEM_DOMAIN_VRAM,
1150                                     false, false, NULL, &gobj);
1151         if (ret) {
1152                 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret);
1153                 return -ENOMEM;
1154         }
1155         qdev->monitors_config_bo = gem_to_qxl_bo(gobj);
1156
1157         ret = qxl_bo_pin(qdev->monitors_config_bo);
1158         if (ret)
1159                 return ret;
1160
1161         qxl_bo_kmap(qdev->monitors_config_bo, &map);
1162
1163         qdev->monitors_config = qdev->monitors_config_bo->kptr;
1164         qdev->ram_header->monitors_config =
1165                 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0);
1166
1167         memset(qdev->monitors_config, 0, monitors_config_size);
1168         qdev->dumb_heads = kcalloc(qxl_num_crtc, sizeof(qdev->dumb_heads[0]),
1169                                    GFP_KERNEL);
1170         if (!qdev->dumb_heads) {
1171                 qxl_destroy_monitors_object(qdev);
1172                 return -ENOMEM;
1173         }
1174         return 0;
1175 }
1176
1177 int qxl_destroy_monitors_object(struct qxl_device *qdev)
1178 {
1179         int ret;
1180
1181         qdev->monitors_config = NULL;
1182         qdev->ram_header->monitors_config = 0;
1183
1184         qxl_bo_kunmap(qdev->monitors_config_bo);
1185         ret = qxl_bo_unpin(qdev->monitors_config_bo);
1186         if (ret)
1187                 return ret;
1188
1189         qxl_bo_unref(&qdev->monitors_config_bo);
1190         return 0;
1191 }
1192
1193 int qxl_modeset_init(struct qxl_device *qdev)
1194 {
1195         int i;
1196         int ret;
1197
1198         drm_mode_config_init(&qdev->ddev);
1199
1200         ret = qxl_create_monitors_object(qdev);
1201         if (ret)
1202                 return ret;
1203
1204         qdev->ddev.mode_config.funcs = (void *)&qxl_mode_funcs;
1205
1206         /* modes will be validated against the framebuffer size */
1207         qdev->ddev.mode_config.min_width = 0;
1208         qdev->ddev.mode_config.min_height = 0;
1209         qdev->ddev.mode_config.max_width = 8192;
1210         qdev->ddev.mode_config.max_height = 8192;
1211
1212         qdev->ddev.mode_config.fb_base = qdev->vram_base;
1213
1214         drm_mode_create_suggested_offset_properties(&qdev->ddev);
1215         qxl_mode_create_hotplug_mode_update_property(qdev);
1216
1217         for (i = 0 ; i < qxl_num_crtc; ++i) {
1218                 qdev_crtc_init(&qdev->ddev, i);
1219                 qdev_output_init(&qdev->ddev, i);
1220         }
1221
1222         qxl_display_read_client_monitors_config(qdev);
1223
1224         drm_mode_config_reset(&qdev->ddev);
1225         return 0;
1226 }
1227
1228 void qxl_modeset_fini(struct qxl_device *qdev)
1229 {
1230         qxl_destroy_monitors_object(qdev);
1231         drm_mode_config_cleanup(&qdev->ddev);
1232 }