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 <drm/drm_crtc_helper.h>
  28 #include <drm/drm_plane_helper.h>
  29 #include <drm/drm_atomic_helper.h>
  30 #include <drm/drm_atomic.h>
  31
  32 #include "qxl_drv.h"
  33 #include "qxl_object.h"
  34
  35 static bool qxl_head_enabled(struct qxl_head *head)
  36 {
  37         return head->width && head->height;
  38 }
  39
  40 static void qxl_alloc_client_monitors_config(struct qxl_device *qdev, unsigned count)
  41 {
  42         if (qdev->client_monitors_config &&
  43             count > qdev->client_monitors_config->count) {
  44                 kfree(qdev->client_monitors_config);
  45                 qdev->client_monitors_config = NULL;
  46         }
  47         if (!qdev->client_monitors_config) {
  48                 qdev->client_monitors_config = kzalloc(
  49                                 sizeof(struct qxl_monitors_config) +
  50                                 sizeof(struct qxl_head) * count, GFP_KERNEL);
  51                 if (!qdev->client_monitors_config) {
  52                         qxl_io_log(qdev,
  53                                    "%s: allocation failure for %u heads\n",
  54                                    __func__, count);
  55                         return;
  56                 }
  57         }
  58         qdev->client_monitors_config->count = count;
  59 }
  60
  61 enum {
  62         MONITORS_CONFIG_MODIFIED,
  63         MONITORS_CONFIG_UNCHANGED,
  64         MONITORS_CONFIG_BAD_CRC,
  65 };
  66
  67 static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev)
  68 {
  69         int i;
  70         int num_monitors;
  71         uint32_t crc;
  72         int status = MONITORS_CONFIG_UNCHANGED;
  73
  74         num_monitors = qdev->rom->client_monitors_config.count;
  75         crc = crc32(0, (const uint8_t *)&qdev->rom->client_monitors_config,
  76                   sizeof(qdev->rom->client_monitors_config));
  77         if (crc != qdev->rom->client_monitors_config_crc) {
  78                 qxl_io_log(qdev, "crc mismatch: have %X (%zd) != %X\n", crc,
  79                            sizeof(qdev->rom->client_monitors_config),
  80                            qdev->rom->client_monitors_config_crc);
  81                 return MONITORS_CONFIG_BAD_CRC;
  82         }
  83         if (!num_monitors) {
  84                 DRM_DEBUG_KMS("no client monitors configured\n");
  85                 return status;
  86         }
  87         if (num_monitors > qdev->monitors_config->max_allowed) {
  88                 DRM_DEBUG_KMS("client monitors list will be truncated: %d < %d\n",
  89                               qdev->monitors_config->max_allowed, num_monitors);
  90                 num_monitors = qdev->monitors_config->max_allowed;
  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         qxl_alloc_client_monitors_config(qdev, num_monitors);
  99         /* we copy max from the client but it isn't used */
 100         qdev->client_monitors_config->max_allowed =
 101                                 qdev->monitors_config->max_allowed;
 102         for (i = 0 ; i < qdev->client_monitors_config->count ; ++i) {
 103                 struct qxl_urect *c_rect =
 104                         &qdev->rom->client_monitors_config.heads[i];
 105                 struct qxl_head *client_head =
 106                         &qdev->client_monitors_config->heads[i];
 107                 if (client_head->x != c_rect->left) {
 108                         client_head->x = c_rect->left;
 109                         status = MONITORS_CONFIG_MODIFIED;
 110                 }
 111                 if (client_head->y != c_rect->top) {
 112                         client_head->y = c_rect->top;
 113                         status = MONITORS_CONFIG_MODIFIED;
 114                 }
 115                 if (client_head->width != c_rect->right - c_rect->left) {
 116                         client_head->width = c_rect->right - c_rect->left;
 117                         status = MONITORS_CONFIG_MODIFIED;
 118                 }
 119                 if (client_head->height != c_rect->bottom - c_rect->top) {
 120                         client_head->height = c_rect->bottom - c_rect->top;
 121                         status = MONITORS_CONFIG_MODIFIED;
 122                 }
 123                 if (client_head->surface_id != 0) {
 124                         client_head->surface_id = 0;
 125                         status = MONITORS_CONFIG_MODIFIED;
 126                 }
 127                 if (client_head->id != i) {
 128                         client_head->id = i;
 129                         status = MONITORS_CONFIG_MODIFIED;
 130                 }
 131                 if (client_head->flags != 0) {
 132                         client_head->flags = 0;
 133                         status = MONITORS_CONFIG_MODIFIED;
 134                 }
 135                 DRM_DEBUG_KMS("read %dx%d+%d+%d\n", client_head->width, client_head->height,
 136                           client_head->x, client_head->y);
 137         }
 138
 139         return status;
 140 }
 141
 142 static void qxl_update_offset_props(struct qxl_device *qdev)
 143 {
 144         struct drm_device *dev = &qdev->ddev;
 145         struct drm_connector *connector;
 146         struct qxl_output *output;
 147         struct qxl_head *head;
 148
 149         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 150                 output = drm_connector_to_qxl_output(connector);
 151
 152                 head = &qdev->client_monitors_config->heads[output->index];
 153
 154                 drm_object_property_set_value(&connector->base,
 155                         dev->mode_config.suggested_x_property, head->x);
 156                 drm_object_property_set_value(&connector->base,
 157                         dev->mode_config.suggested_y_property, head->y);
 158         }
 159 }
 160
 161 void qxl_display_read_client_monitors_config(struct qxl_device *qdev)
 162 {
 163         struct drm_device *dev = &qdev->ddev;
 164         int status, retries;
 165
 166         for (retries = 0; retries < 10; retries++) {
 167                 status = qxl_display_copy_rom_client_monitors_config(qdev);
 168                 if (status != MONITORS_CONFIG_BAD_CRC)
 169                         break;
 170                 udelay(5);
 171         }
 172         if (status == MONITORS_CONFIG_BAD_CRC) {
 173                 qxl_io_log(qdev, "config: bad crc\n");
 174                 DRM_DEBUG_KMS("ignoring client monitors config: bad crc");
 175                 return;
 176         }
 177         if (status == MONITORS_CONFIG_UNCHANGED) {
 178                 qxl_io_log(qdev, "config: unchanged\n");
 179                 DRM_DEBUG_KMS("ignoring client monitors config: unchanged");
 180                 return;
 181         }
 182
 183         drm_modeset_lock_all(dev);
 184         qxl_update_offset_props(qdev);
 185         drm_modeset_unlock_all(dev);
 186         if (!drm_helper_hpd_irq_event(dev)) {
 187                 /* notify that the monitor configuration changed, to
 188                    adjust at the arbitrary resolution */
 189                 drm_kms_helper_hotplug_event(dev);
 190         }
 191 }
 192
 193 static int qxl_add_monitors_config_modes(struct drm_connector *connector,
 194                                          unsigned *pwidth,
 195                                          unsigned *pheight)
 196 {
 197         struct drm_device *dev = connector->dev;
 198         struct qxl_device *qdev = dev->dev_private;
 199         struct qxl_output *output = drm_connector_to_qxl_output(connector);
 200         int h = output->index;
 201         struct drm_display_mode *mode = NULL;
 202         struct qxl_head *head;
 203
 204         if (!qdev->monitors_config)
 205                 return 0;
 206         if (h >= qdev->monitors_config->max_allowed)
 207                 return 0;
 208         if (!qdev->client_monitors_config)
 209                 return 0;
 210         if (h >= qdev->client_monitors_config->count)
 211                 return 0;
 212
 213         head = &qdev->client_monitors_config->heads[h];
 214         DRM_DEBUG_KMS("head %d is %dx%d\n", h, head->width, head->height);
 215
 216         mode = drm_cvt_mode(dev, head->width, head->height, 60, false, false,
 217                             false);
 218         mode->type |= DRM_MODE_TYPE_PREFERRED;
 219         mode->hdisplay = head->width;
 220         mode->vdisplay = head->height;
 221         drm_mode_set_name(mode);
 222         *pwidth = head->width;
 223         *pheight = head->height;
 224         drm_mode_probed_add(connector, mode);
 225         /* remember the last custom size for mode validation */
 226         qdev->monitors_config_width = mode->hdisplay;
 227         qdev->monitors_config_height = mode->vdisplay;
 228         return 1;
 229 }
 230
 231 static struct mode_size {
 232         int w;
 233         int h;
 234 } common_modes[] = {
 235         { 640,  480},
 236         { 720,  480},
 237         { 800,  600},
 238         { 848,  480},
 239         {1024,  768},
 240         {1152,  768},
 241         {1280,  720},
 242         {1280,  800},
 243         {1280,  854},
 244         {1280,  960},
 245         {1280, 1024},
 246         {1440,  900},
 247         {1400, 1050},
 248         {1680, 1050},
 249         {1600, 1200},
 250         {1920, 1080},
 251         {1920, 1200}
 252 };
 253
 254 static int qxl_add_common_modes(struct drm_connector *connector,
 255                                 unsigned pwidth,
 256                                 unsigned pheight)
 257 {
 258         struct drm_device *dev = connector->dev;
 259         struct drm_display_mode *mode = NULL;
 260         int i;
 261         for (i = 0; i < ARRAY_SIZE(common_modes); i++) {
 262                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h,
 263                                     60, false, false, false);
 264                 if (common_modes[i].w == pwidth && common_modes[i].h == pheight)
 265                         mode->type |= DRM_MODE_TYPE_PREFERRED;
 266                 drm_mode_probed_add(connector, mode);
 267         }
 268         return i - 1;
 269 }
 270
 271 static void qxl_crtc_atomic_flush(struct drm_crtc *crtc,
 272                                   struct drm_crtc_state *old_crtc_state)
 273 {
 274         struct drm_device *dev = crtc->dev;
 275         struct drm_pending_vblank_event *event;
 276         unsigned long flags;
 277
 278         if (crtc->state && crtc->state->event) {
 279                 event = crtc->state->event;
 280                 crtc->state->event = NULL;
 281
 282                 spin_lock_irqsave(&dev->event_lock, flags);
 283                 drm_crtc_send_vblank_event(crtc, event);
 284                 spin_unlock_irqrestore(&dev->event_lock, flags);
 285         }
 286 }
 287
 288 static void qxl_crtc_destroy(struct drm_crtc *crtc)
 289 {
 290         struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc);
 291
 292         drm_crtc_cleanup(crtc);
 293         kfree(qxl_crtc);
 294 }
 295
 296 static const struct drm_crtc_funcs qxl_crtc_funcs = {
 297         .set_config = drm_atomic_helper_set_config,
 298         .destroy = qxl_crtc_destroy,
 299         .page_flip = drm_atomic_helper_page_flip,
 300         .reset = drm_atomic_helper_crtc_reset,
 301         .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
 302         .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
 303 };
 304
 305 void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb)
 306 {
 307         struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb);
 308         struct qxl_bo *bo = gem_to_qxl_bo(qxl_fb->obj);
 309
 310         WARN_ON(bo->shadow);
 311         drm_gem_object_unreference_unlocked(qxl_fb->obj);
 312         drm_framebuffer_cleanup(fb);
 313         kfree(qxl_fb);
 314 }
 315
 316 static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb,
 317                                          struct drm_file *file_priv,
 318                                          unsigned flags, unsigned color,
 319                                          struct drm_clip_rect *clips,
 320                                          unsigned num_clips)
 321 {
 322         /* TODO: vmwgfx where this was cribbed from had locking. Why? */
 323         struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb);
 324         struct qxl_device *qdev = qxl_fb->base.dev->dev_private;
 325         struct drm_clip_rect norect;
 326         struct qxl_bo *qobj;
 327         int inc = 1;
 328
 329         drm_modeset_lock_all(fb->dev);
 330
 331         qobj = gem_to_qxl_bo(qxl_fb->obj);
 332         /* if we aren't primary surface ignore this */
 333         if (!qobj->is_primary) {
 334                 drm_modeset_unlock_all(fb->dev);
 335                 return 0;
 336         }
 337
 338         if (!num_clips) {
 339                 num_clips = 1;
 340                 clips = &norect;
 341                 norect.x1 = norect.y1 = 0;
 342                 norect.x2 = fb->width;
 343                 norect.y2 = fb->height;
 344         } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
 345                 num_clips /= 2;
 346                 inc = 2; /* skip source rects */
 347         }
 348
 349         qxl_draw_dirty_fb(qdev, qxl_fb, qobj, flags, color,
 350                           clips, num_clips, inc);
 351
 352         drm_modeset_unlock_all(fb->dev);
 353
 354         return 0;
 355 }
 356
 357 static const struct drm_framebuffer_funcs qxl_fb_funcs = {
 358         .destroy = qxl_user_framebuffer_destroy,
 359         .dirty = qxl_framebuffer_surface_dirty,
 360 /*      TODO?
 361  *      .create_handle = qxl_user_framebuffer_create_handle, */
 362 };
 363
 364 int
 365 qxl_framebuffer_init(struct drm_device *dev,
 366                      struct qxl_framebuffer *qfb,
 367                      const struct drm_mode_fb_cmd2 *mode_cmd,
 368                      struct drm_gem_object *obj,
 369                      const struct drm_framebuffer_funcs *funcs)
 370 {
 371         int ret;
 372
 373         qfb->obj = obj;
 374         drm_helper_mode_fill_fb_struct(dev, &qfb->base, mode_cmd);
 375         ret = drm_framebuffer_init(dev, &qfb->base, funcs);
 376         if (ret) {
 377                 qfb->obj = NULL;
 378                 return ret;
 379         }
 380         return 0;
 381 }
 382
 383 static bool qxl_crtc_mode_fixup(struct drm_crtc *crtc,
 384                                   const struct drm_display_mode *mode,
 385                                   struct drm_display_mode *adjusted_mode)
 386 {
 387         struct drm_device *dev = crtc->dev;
 388         struct qxl_device *qdev = dev->dev_private;
 389
 390         qxl_io_log(qdev, "%s: (%d,%d) => (%d,%d)\n",
 391                    __func__,
 392                    mode->hdisplay, mode->vdisplay,
 393                    adjusted_mode->hdisplay,
 394                    adjusted_mode->vdisplay);
 395         return true;
 396 }
 397
 398 static void
 399 qxl_send_monitors_config(struct qxl_device *qdev)
 400 {
 401         int i;
 402
 403         BUG_ON(!qdev->ram_header->monitors_config);
 404
 405         if (qdev->monitors_config->count == 0) {
 406                 qxl_io_log(qdev, "%s: 0 monitors??\n", __func__);
 407                 return;
 408         }
 409         for (i = 0 ; i < qdev->monitors_config->count ; ++i) {
 410                 struct qxl_head *head = &qdev->monitors_config->heads[i];
 411
 412                 if (head->y > 8192 || head->x > 8192 ||
 413                     head->width > 8192 || head->height > 8192) {
 414                         DRM_ERROR("head %d wrong: %dx%d+%d+%d\n",
 415                                   i, head->width, head->height,
 416                                   head->x, head->y);
 417                         return;
 418                 }
 419         }
 420         qxl_io_monitors_config(qdev);
 421 }
 422
 423 static void qxl_monitors_config_set(struct qxl_device *qdev,
 424                                     int index,
 425                                     unsigned x, unsigned y,
 426                                     unsigned width, unsigned height,
 427                                     unsigned surf_id)
 428 {
 429         DRM_DEBUG_KMS("%d:%dx%d+%d+%d\n", index, width, height, x, y);
 430         qdev->monitors_config->heads[index].x = x;
 431         qdev->monitors_config->heads[index].y = y;
 432         qdev->monitors_config->heads[index].width = width;
 433         qdev->monitors_config->heads[index].height = height;
 434         qdev->monitors_config->heads[index].surface_id = surf_id;
 435
 436 }
 437
 438 static void qxl_mode_set_nofb(struct drm_crtc *crtc)
 439 {
 440         struct qxl_device *qdev = crtc->dev->dev_private;
 441         struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
 442         struct drm_display_mode *mode = &crtc->mode;
 443
 444         DRM_DEBUG("Mode set (%d,%d)\n",
 445                   mode->hdisplay, mode->vdisplay);
 446
 447         qxl_monitors_config_set(qdev, qcrtc->index, 0, 0,
 448                                 mode->hdisplay, mode->vdisplay, 0);
 449
 450 }
 451
 452 static void qxl_crtc_atomic_enable(struct drm_crtc *crtc,
 453                                    struct drm_crtc_state *old_state)
 454 {
 455         DRM_DEBUG("\n");
 456 }
 457
 458 static void qxl_crtc_atomic_disable(struct drm_crtc *crtc,
 459                                     struct drm_crtc_state *old_state)
 460 {
 461         struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
 462         struct qxl_device *qdev = crtc->dev->dev_private;
 463
 464         qxl_monitors_config_set(qdev, qcrtc->index, 0, 0, 0, 0, 0);
 465
 466         qxl_send_monitors_config(qdev);
 467 }
 468
 469 static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = {
 470         .mode_fixup = qxl_crtc_mode_fixup,
 471         .mode_set_nofb = qxl_mode_set_nofb,
 472         .atomic_flush = qxl_crtc_atomic_flush,
 473         .atomic_enable = qxl_crtc_atomic_enable,
 474         .atomic_disable = qxl_crtc_atomic_disable,
 475 };
 476
 477 static int qxl_primary_atomic_check(struct drm_plane *plane,
 478                                     struct drm_plane_state *state)
 479 {
 480         struct qxl_device *qdev = plane->dev->dev_private;
 481         struct qxl_framebuffer *qfb;
 482         struct qxl_bo *bo;
 483
 484         if (!state->crtc || !state->fb)
 485                 return 0;
 486
 487         qfb = to_qxl_framebuffer(state->fb);
 488         bo = gem_to_qxl_bo(qfb->obj);
 489
 490         if (bo->surf.stride * bo->surf.height > qdev->vram_size) {
 491                 DRM_ERROR("Mode doesn't fit in vram size (vgamem)");
 492                 return -EINVAL;
 493         }
 494
 495         return 0;
 496 }
 497
 498 static void qxl_primary_atomic_update(struct drm_plane *plane,
 499                                       struct drm_plane_state *old_state)
 500 {
 501         struct qxl_device *qdev = plane->dev->dev_private;
 502         struct qxl_framebuffer *qfb =
 503                 to_qxl_framebuffer(plane->state->fb);
 504         struct qxl_framebuffer *qfb_old;
 505         struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj);
 506         struct qxl_bo *bo_old;
 507         struct drm_clip_rect norect = {
 508             .x1 = 0,
 509             .y1 = 0,
 510             .x2 = qfb->base.width,
 511             .y2 = qfb->base.height
 512         };
 513         bool same_shadow = false;
 514
 515         if (old_state->fb) {
 516                 qfb_old = to_qxl_framebuffer(old_state->fb);
 517                 bo_old = gem_to_qxl_bo(qfb_old->obj);
 518         } else {
 519                 bo_old = NULL;
 520         }
 521
 522         if (bo == bo_old)
 523                 return;
 524
 525         if (bo_old && bo_old->shadow && bo->shadow &&
 526             bo_old->shadow == bo->shadow) {
 527                 same_shadow = true;
 528         }
 529
 530         if (bo_old && bo_old->is_primary) {
 531                 if (!same_shadow)
 532                         qxl_io_destroy_primary(qdev);
 533                 bo_old->is_primary = false;
 534         }
 535
 536         if (!bo->is_primary) {
 537                 if (!same_shadow)
 538                         qxl_io_create_primary(qdev, 0, bo);
 539                 bo->is_primary = true;
 540         }
 541
 542         qxl_draw_dirty_fb(qdev, qfb, bo, 0, 0, &norect, 1, 1);
 543 }
 544
 545 static void qxl_primary_atomic_disable(struct drm_plane *plane,
 546                                        struct drm_plane_state *old_state)
 547 {
 548         struct qxl_device *qdev = plane->dev->dev_private;
 549
 550         if (old_state->fb) {
 551                 struct qxl_framebuffer *qfb =
 552                         to_qxl_framebuffer(old_state->fb);
 553                 struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj);
 554
 555                 if (bo->is_primary) {
 556                         qxl_io_destroy_primary(qdev);
 557                         bo->is_primary = false;
 558                 }
 559         }
 560 }
 561
 562 static int qxl_plane_atomic_check(struct drm_plane *plane,
 563                                   struct drm_plane_state *state)
 564 {
 565         return 0;
 566 }
 567
 568 static void qxl_cursor_atomic_update(struct drm_plane *plane,
 569                                      struct drm_plane_state *old_state)
 570 {
 571         struct drm_device *dev = plane->dev;
 572         struct qxl_device *qdev = dev->dev_private;
 573         struct drm_framebuffer *fb = plane->state->fb;
 574         struct qxl_release *release;
 575         struct qxl_cursor_cmd *cmd;
 576         struct qxl_cursor *cursor;
 577         struct drm_gem_object *obj;
 578         struct qxl_bo *cursor_bo, *user_bo = NULL;
 579         int ret;
 580         void *user_ptr;
 581         int size = 64*64*4;
 582
 583         ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
 584                                          QXL_RELEASE_CURSOR_CMD,
 585                                          &release, NULL);
 586         if (ret)
 587                 return;
 588
 589         if (fb != old_state->fb) {
 590                 obj = to_qxl_framebuffer(fb)->obj;
 591                 user_bo = gem_to_qxl_bo(obj);
 592
 593                 /* pinning is done in the prepare/cleanup framevbuffer */
 594                 ret = qxl_bo_kmap(user_bo, &user_ptr);
 595                 if (ret)
 596                         goto out_free_release;
 597
 598                 ret = qxl_alloc_bo_reserved(qdev, release,
 599                                             sizeof(struct qxl_cursor) + size,
 600                                             &cursor_bo);
 601                 if (ret)
 602                         goto out_kunmap;
 603
 604                 ret = qxl_release_reserve_list(release, true);
 605                 if (ret)
 606                         goto out_free_bo;
 607
 608                 ret = qxl_bo_kmap(cursor_bo, (void **)&cursor);
 609                 if (ret)
 610                         goto out_backoff;
 611
 612                 cursor->header.unique = 0;
 613                 cursor->header.type = SPICE_CURSOR_TYPE_ALPHA;
 614                 cursor->header.width = 64;
 615                 cursor->header.height = 64;
 616                 cursor->header.hot_spot_x = fb->hot_x;
 617                 cursor->header.hot_spot_y = fb->hot_y;
 618                 cursor->data_size = size;
 619                 cursor->chunk.next_chunk = 0;
 620                 cursor->chunk.prev_chunk = 0;
 621                 cursor->chunk.data_size = size;
 622                 memcpy(cursor->chunk.data, user_ptr, size);
 623                 qxl_bo_kunmap(cursor_bo);
 624                 qxl_bo_kunmap(user_bo);
 625
 626                 cmd = (struct qxl_cursor_cmd *) qxl_release_map(qdev, release);
 627                 cmd->u.set.visible = 1;
 628                 cmd->u.set.shape = qxl_bo_physical_address(qdev,
 629                                                            cursor_bo, 0);
 630                 cmd->type = QXL_CURSOR_SET;
 631         } else {
 632
 633                 ret = qxl_release_reserve_list(release, true);
 634                 if (ret)
 635                         goto out_free_release;
 636
 637                 cmd = (struct qxl_cursor_cmd *) qxl_release_map(qdev, release);
 638                 cmd->type = QXL_CURSOR_MOVE;
 639         }
 640
 641         cmd->u.position.x = plane->state->crtc_x + fb->hot_x;
 642         cmd->u.position.y = plane->state->crtc_y + fb->hot_y;
 643
 644         qxl_release_unmap(qdev, release, &cmd->release_info);
 645         qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
 646         qxl_release_fence_buffer_objects(release);
 647
 648         return;
 649
 650 out_backoff:
 651         qxl_release_backoff_reserve_list(release);
 652 out_free_bo:
 653         qxl_bo_unref(&cursor_bo);
 654 out_kunmap:
 655         qxl_bo_kunmap(user_bo);
 656 out_free_release:
 657         qxl_release_free(qdev, release);
 658         return;
 659
 660 }
 661
 662 static void qxl_cursor_atomic_disable(struct drm_plane *plane,
 663                                       struct drm_plane_state *old_state)
 664 {
 665         struct qxl_device *qdev = plane->dev->dev_private;
 666         struct qxl_release *release;
 667         struct qxl_cursor_cmd *cmd;
 668         int ret;
 669
 670         ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
 671                                          QXL_RELEASE_CURSOR_CMD,
 672                                          &release, NULL);
 673         if (ret)
 674                 return;
 675
 676         ret = qxl_release_reserve_list(release, true);
 677         if (ret) {
 678                 qxl_release_free(qdev, release);
 679                 return;
 680         }
 681
 682         cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
 683         cmd->type = QXL_CURSOR_HIDE;
 684         qxl_release_unmap(qdev, release, &cmd->release_info);
 685
 686         qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
 687         qxl_release_fence_buffer_objects(release);
 688 }
 689
 690 static int qxl_plane_prepare_fb(struct drm_plane *plane,
 691                                 struct drm_plane_state *new_state)
 692 {
 693         struct qxl_device *qdev = plane->dev->dev_private;
 694         struct drm_gem_object *obj;
 695         struct qxl_bo *user_bo, *old_bo = NULL;
 696         int ret;
 697
 698         if (!new_state->fb)
 699                 return 0;
 700
 701         obj = to_qxl_framebuffer(new_state->fb)->obj;
 702         user_bo = gem_to_qxl_bo(obj);
 703
 704         if (plane->type == DRM_PLANE_TYPE_PRIMARY &&
 705             user_bo->is_dumb && !user_bo->shadow) {
 706                 if (plane->state->fb) {
 707                         obj = to_qxl_framebuffer(plane->state->fb)->obj;
 708                         old_bo = gem_to_qxl_bo(obj);
 709                 }
 710                 if (old_bo && old_bo->shadow &&
 711                     user_bo->gem_base.size == old_bo->gem_base.size &&
 712                     plane->state->crtc     == new_state->crtc &&
 713                     plane->state->crtc_w   == new_state->crtc_w &&
 714                     plane->state->crtc_h   == new_state->crtc_h &&
 715                     plane->state->src_x    == new_state->src_x &&
 716                     plane->state->src_y    == new_state->src_y &&
 717                     plane->state->src_w    == new_state->src_w &&
 718                     plane->state->src_h    == new_state->src_h &&
 719                     plane->state->rotation == new_state->rotation &&
 720                     plane->state->zpos     == new_state->zpos) {
 721                         drm_gem_object_get(&old_bo->shadow->gem_base);
 722                         user_bo->shadow = old_bo->shadow;
 723                 } else {
 724                         qxl_bo_create(qdev, user_bo->gem_base.size,
 725                                       true, true, QXL_GEM_DOMAIN_VRAM, NULL,
 726                                       &user_bo->shadow);
 727                 }
 728         }
 729
 730         ret = qxl_bo_pin(user_bo, QXL_GEM_DOMAIN_CPU, NULL);
 731         if (ret)
 732                 return ret;
 733
 734         return 0;
 735 }
 736
 737 static void qxl_plane_cleanup_fb(struct drm_plane *plane,
 738                                  struct drm_plane_state *old_state)
 739 {
 740         struct drm_gem_object *obj;
 741         struct qxl_bo *user_bo;
 742
 743         if (!old_state->fb) {
 744                 /*
 745                  * we never executed prepare_fb, so there's nothing to
 746                  * unpin.
 747                  */
 748                 return;
 749         }
 750
 751         obj = to_qxl_framebuffer(old_state->fb)->obj;
 752         user_bo = gem_to_qxl_bo(obj);
 753         qxl_bo_unpin(user_bo);
 754
 755         if (user_bo->shadow && !user_bo->is_primary) {
 756                 drm_gem_object_put_unlocked(&user_bo->shadow->gem_base);
 757                 user_bo->shadow = NULL;
 758         }
 759 }
 760
 761 static const uint32_t qxl_cursor_plane_formats[] = {
 762         DRM_FORMAT_ARGB8888,
 763 };
 764
 765 static const struct drm_plane_helper_funcs qxl_cursor_helper_funcs = {
 766         .atomic_check = qxl_plane_atomic_check,
 767         .atomic_update = qxl_cursor_atomic_update,
 768         .atomic_disable = qxl_cursor_atomic_disable,
 769         .prepare_fb = qxl_plane_prepare_fb,
 770         .cleanup_fb = qxl_plane_cleanup_fb,
 771 };
 772
 773 static const struct drm_plane_funcs qxl_cursor_plane_funcs = {
 774         .update_plane   = drm_atomic_helper_update_plane,
 775         .disable_plane  = drm_atomic_helper_disable_plane,
 776         .destroy        = drm_primary_helper_destroy,
 777         .reset          = drm_atomic_helper_plane_reset,
 778         .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
 779         .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
 780 };
 781
 782 static const uint32_t qxl_primary_plane_formats[] = {
 783         DRM_FORMAT_XRGB8888,
 784         DRM_FORMAT_ARGB8888,
 785 };
 786
 787 static const struct drm_plane_helper_funcs primary_helper_funcs = {
 788         .atomic_check = qxl_primary_atomic_check,
 789         .atomic_update = qxl_primary_atomic_update,
 790         .atomic_disable = qxl_primary_atomic_disable,
 791         .prepare_fb = qxl_plane_prepare_fb,
 792         .cleanup_fb = qxl_plane_cleanup_fb,
 793 };
 794
 795 static const struct drm_plane_funcs qxl_primary_plane_funcs = {
 796         .update_plane   = drm_atomic_helper_update_plane,
 797         .disable_plane  = drm_atomic_helper_disable_plane,
 798         .destroy        = drm_primary_helper_destroy,
 799         .reset          = drm_atomic_helper_plane_reset,
 800         .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
 801         .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
 802 };
 803
 804 static struct drm_plane *qxl_create_plane(struct qxl_device *qdev,
 805                                           unsigned int possible_crtcs,
 806                                           enum drm_plane_type type)
 807 {
 808         const struct drm_plane_helper_funcs *helper_funcs = NULL;
 809         struct drm_plane *plane;
 810         const struct drm_plane_funcs *funcs;
 811         const uint32_t *formats;
 812         int num_formats;
 813         int err;
 814
 815         if (type == DRM_PLANE_TYPE_PRIMARY) {
 816                 funcs = &qxl_primary_plane_funcs;
 817                 formats = qxl_primary_plane_formats;
 818                 num_formats = ARRAY_SIZE(qxl_primary_plane_formats);
 819                 helper_funcs = &primary_helper_funcs;
 820         } else if (type == DRM_PLANE_TYPE_CURSOR) {
 821                 funcs = &qxl_cursor_plane_funcs;
 822                 formats = qxl_cursor_plane_formats;
 823                 helper_funcs = &qxl_cursor_helper_funcs;
 824                 num_formats = ARRAY_SIZE(qxl_cursor_plane_formats);
 825         } else {
 826                 return ERR_PTR(-EINVAL);
 827         }
 828
 829         plane = kzalloc(sizeof(*plane), GFP_KERNEL);
 830         if (!plane)
 831                 return ERR_PTR(-ENOMEM);
 832
 833         err = drm_universal_plane_init(&qdev->ddev, plane, possible_crtcs,
 834                                        funcs, formats, num_formats,
 835                                        NULL, type, NULL);
 836         if (err)
 837                 goto free_plane;
 838
 839         drm_plane_helper_add(plane, helper_funcs);
 840
 841         return plane;
 842
 843 free_plane:
 844         kfree(plane);
 845         return ERR_PTR(-EINVAL);
 846 }
 847
 848 static int qdev_crtc_init(struct drm_device *dev, int crtc_id)
 849 {
 850         struct qxl_crtc *qxl_crtc;
 851         struct drm_plane *primary, *cursor;
 852         struct qxl_device *qdev = dev->dev_private;
 853         int r;
 854
 855         qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL);
 856         if (!qxl_crtc)
 857                 return -ENOMEM;
 858
 859         primary = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_PRIMARY);
 860         if (IS_ERR(primary)) {
 861                 r = -ENOMEM;
 862                 goto free_mem;
 863         }
 864
 865         cursor = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_CURSOR);
 866         if (IS_ERR(cursor)) {
 867                 r = -ENOMEM;
 868                 goto clean_primary;
 869         }
 870
 871         r = drm_crtc_init_with_planes(dev, &qxl_crtc->base, primary, cursor,
 872                                       &qxl_crtc_funcs, NULL);
 873         if (r)
 874                 goto clean_cursor;
 875
 876         qxl_crtc->index = crtc_id;
 877         drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs);
 878         return 0;
 879
 880 clean_cursor:
 881         drm_plane_cleanup(cursor);
 882         kfree(cursor);
 883 clean_primary:
 884         drm_plane_cleanup(primary);
 885         kfree(primary);
 886 free_mem:
 887         kfree(qxl_crtc);
 888         return r;
 889 }
 890
 891 static void qxl_enc_dpms(struct drm_encoder *encoder, int mode)
 892 {
 893         DRM_DEBUG("\n");
 894 }
 895
 896 static void qxl_enc_prepare(struct drm_encoder *encoder)
 897 {
 898         DRM_DEBUG("\n");
 899 }
 900
 901 static void qxl_write_monitors_config_for_encoder(struct qxl_device *qdev,
 902                 struct drm_encoder *encoder)
 903 {
 904         int i;
 905         struct qxl_output *output = drm_encoder_to_qxl_output(encoder);
 906         struct qxl_head *head;
 907         struct drm_display_mode *mode;
 908
 909         BUG_ON(!encoder);
 910         /* TODO: ugly, do better */
 911         i = output->index;
 912         if (!qdev->monitors_config ||
 913             qdev->monitors_config->max_allowed <= i) {
 914                 DRM_ERROR(
 915                 "head number too large or missing monitors config: %p, %d",
 916                 qdev->monitors_config,
 917                 qdev->monitors_config ?
 918                         qdev->monitors_config->max_allowed : -1);
 919                 return;
 920         }
 921         if (!encoder->crtc) {
 922                 DRM_ERROR("missing crtc on encoder %p\n", encoder);
 923                 return;
 924         }
 925         if (i != 0)
 926                 DRM_DEBUG("missing for multiple monitors: no head holes\n");
 927         head = &qdev->monitors_config->heads[i];
 928         head->id = i;
 929         if (encoder->crtc->enabled) {
 930                 mode = &encoder->crtc->mode;
 931                 head->width = mode->hdisplay;
 932                 head->height = mode->vdisplay;
 933                 head->x = encoder->crtc->x;
 934                 head->y = encoder->crtc->y;
 935                 if (qdev->monitors_config->count < i + 1)
 936                         qdev->monitors_config->count = i + 1;
 937         } else {
 938                 head->width = 0;
 939                 head->height = 0;
 940                 head->x = 0;
 941                 head->y = 0;
 942         }
 943         DRM_DEBUG_KMS("setting head %d to +%d+%d %dx%d out of %d\n",
 944                       i, head->x, head->y, head->width, head->height, qdev->monitors_config->count);
 945         head->flags = 0;
 946         /* TODO - somewhere else to call this for multiple monitors
 947          * (config_commit?) */
 948         qxl_send_monitors_config(qdev);
 949 }
 950
 951 static void qxl_enc_commit(struct drm_encoder *encoder)
 952 {
 953         struct qxl_device *qdev = encoder->dev->dev_private;
 954
 955         qxl_write_monitors_config_for_encoder(qdev, encoder);
 956         DRM_DEBUG("\n");
 957 }
 958
 959 static void qxl_enc_mode_set(struct drm_encoder *encoder,
 960                                 struct drm_display_mode *mode,
 961                                 struct drm_display_mode *adjusted_mode)
 962 {
 963         DRM_DEBUG("\n");
 964 }
 965
 966 static int qxl_conn_get_modes(struct drm_connector *connector)
 967 {
 968         unsigned pwidth = 1024;
 969         unsigned pheight = 768;
 970         int ret = 0;
 971
 972         ret = qxl_add_monitors_config_modes(connector, &pwidth, &pheight);
 973         if (ret < 0)
 974                 return ret;
 975         ret += qxl_add_common_modes(connector, pwidth, pheight);
 976         return ret;
 977 }
 978
 979 static int qxl_conn_mode_valid(struct drm_connector *connector,
 980                                struct drm_display_mode *mode)
 981 {
 982         struct drm_device *ddev = connector->dev;
 983         struct qxl_device *qdev = ddev->dev_private;
 984         int i;
 985
 986         /* TODO: is this called for user defined modes? (xrandr --add-mode)
 987          * TODO: check that the mode fits in the framebuffer */
 988
 989         if(qdev->monitors_config_width == mode->hdisplay &&
 990            qdev->monitors_config_height == mode->vdisplay)
 991                 return MODE_OK;
 992
 993         for (i = 0; i < ARRAY_SIZE(common_modes); i++) {
 994                 if (common_modes[i].w == mode->hdisplay && common_modes[i].h == mode->vdisplay)
 995                         return MODE_OK;
 996         }
 997         return MODE_BAD;
 998 }
 999
1000 static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector)
1001 {
1002         struct qxl_output *qxl_output =
1003                 drm_connector_to_qxl_output(connector);
1004
1005         DRM_DEBUG("\n");
1006         return &qxl_output->enc;
1007 }
1008
1009
1010 static const struct drm_encoder_helper_funcs qxl_enc_helper_funcs = {
1011         .dpms = qxl_enc_dpms,
1012         .prepare = qxl_enc_prepare,
1013         .mode_set = qxl_enc_mode_set,
1014         .commit = qxl_enc_commit,
1015 };
1016
1017 static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = {
1018         .get_modes = qxl_conn_get_modes,
1019         .mode_valid = qxl_conn_mode_valid,
1020         .best_encoder = qxl_best_encoder,
1021 };
1022
1023 static enum drm_connector_status qxl_conn_detect(
1024                         struct drm_connector *connector,
1025                         bool force)
1026 {
1027         struct qxl_output *output =
1028                 drm_connector_to_qxl_output(connector);
1029         struct drm_device *ddev = connector->dev;
1030         struct qxl_device *qdev = ddev->dev_private;
1031         bool connected = false;
1032
1033         /* The first monitor is always connected */
1034         if (!qdev->client_monitors_config) {
1035                 if (output->index == 0)
1036                         connected = true;
1037         } else
1038                 connected = qdev->client_monitors_config->count > output->index &&
1039                      qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]);
1040
1041         DRM_DEBUG("#%d connected: %d\n", output->index, connected);
1042         if (!connected)
1043                 qxl_monitors_config_set(qdev, output->index, 0, 0, 0, 0, 0);
1044
1045         return connected ? connector_status_connected
1046                          : connector_status_disconnected;
1047 }
1048
1049 static int qxl_conn_set_property(struct drm_connector *connector,
1050                                    struct drm_property *property,
1051                                    uint64_t value)
1052 {
1053         DRM_DEBUG("\n");
1054         return 0;
1055 }
1056
1057 static void qxl_conn_destroy(struct drm_connector *connector)
1058 {
1059         struct qxl_output *qxl_output =
1060                 drm_connector_to_qxl_output(connector);
1061
1062         drm_connector_unregister(connector);
1063         drm_connector_cleanup(connector);
1064         kfree(qxl_output);
1065 }
1066
1067 static const struct drm_connector_funcs qxl_connector_funcs = {
1068         .dpms = drm_helper_connector_dpms,
1069         .detect = qxl_conn_detect,
1070         .fill_modes = drm_helper_probe_single_connector_modes,
1071         .set_property = qxl_conn_set_property,
1072         .destroy = qxl_conn_destroy,
1073         .reset = drm_atomic_helper_connector_reset,
1074         .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
1075         .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
1076 };
1077
1078 static void qxl_enc_destroy(struct drm_encoder *encoder)
1079 {
1080         drm_encoder_cleanup(encoder);
1081 }
1082
1083 static const struct drm_encoder_funcs qxl_enc_funcs = {
1084         .destroy = qxl_enc_destroy,
1085 };
1086
1087 static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev)
1088 {
1089         if (qdev->hotplug_mode_update_property)
1090                 return 0;
1091
1092         qdev->hotplug_mode_update_property =
1093                 drm_property_create_range(&qdev->ddev, DRM_MODE_PROP_IMMUTABLE,
1094                                           "hotplug_mode_update", 0, 1);
1095
1096         return 0;
1097 }
1098
1099 static int qdev_output_init(struct drm_device *dev, int num_output)
1100 {
1101         struct qxl_device *qdev = dev->dev_private;
1102         struct qxl_output *qxl_output;
1103         struct drm_connector *connector;
1104         struct drm_encoder *encoder;
1105
1106         qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL);
1107         if (!qxl_output)
1108                 return -ENOMEM;
1109
1110         qxl_output->index = num_output;
1111
1112         connector = &qxl_output->base;
1113         encoder = &qxl_output->enc;
1114         drm_connector_init(dev, &qxl_output->base,
1115                            &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL);
1116
1117         drm_encoder_init(dev, &qxl_output->enc, &qxl_enc_funcs,
1118                          DRM_MODE_ENCODER_VIRTUAL, NULL);
1119
1120         /* we get HPD via client monitors config */
1121         connector->polled = DRM_CONNECTOR_POLL_HPD;
1122         encoder->possible_crtcs = 1 << num_output;
1123         drm_mode_connector_attach_encoder(&qxl_output->base,
1124                                           &qxl_output->enc);
1125         drm_encoder_helper_add(encoder, &qxl_enc_helper_funcs);
1126         drm_connector_helper_add(connector, &qxl_connector_helper_funcs);
1127
1128         drm_object_attach_property(&connector->base,
1129                                    qdev->hotplug_mode_update_property, 0);
1130         drm_object_attach_property(&connector->base,
1131                                    dev->mode_config.suggested_x_property, 0);
1132         drm_object_attach_property(&connector->base,
1133                                    dev->mode_config.suggested_y_property, 0);
1134         return 0;
1135 }
1136
1137 static struct drm_framebuffer *
1138 qxl_user_framebuffer_create(struct drm_device *dev,
1139                             struct drm_file *file_priv,
1140                             const struct drm_mode_fb_cmd2 *mode_cmd)
1141 {
1142         struct drm_gem_object *obj;
1143         struct qxl_framebuffer *qxl_fb;
1144         int ret;
1145
1146         obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
1147         if (!obj)
1148                 return NULL;
1149
1150         qxl_fb = kzalloc(sizeof(*qxl_fb), GFP_KERNEL);
1151         if (qxl_fb == NULL)
1152                 return NULL;
1153
1154         ret = qxl_framebuffer_init(dev, qxl_fb, mode_cmd, obj, &qxl_fb_funcs);
1155         if (ret) {
1156                 kfree(qxl_fb);
1157                 drm_gem_object_unreference_unlocked(obj);
1158                 return NULL;
1159         }
1160
1161         return &qxl_fb->base;
1162 }
1163
1164 static const struct drm_mode_config_funcs qxl_mode_funcs = {
1165         .fb_create = qxl_user_framebuffer_create,
1166         .atomic_check = drm_atomic_helper_check,
1167         .atomic_commit = drm_atomic_helper_commit,
1168 };
1169
1170 int qxl_create_monitors_object(struct qxl_device *qdev)
1171 {
1172         int ret;
1173         struct drm_gem_object *gobj;
1174         int max_allowed = qxl_num_crtc;
1175         int monitors_config_size = sizeof(struct qxl_monitors_config) +
1176                 max_allowed * sizeof(struct qxl_head);
1177
1178         ret = qxl_gem_object_create(qdev, monitors_config_size, 0,
1179                                     QXL_GEM_DOMAIN_VRAM,
1180                                     false, false, NULL, &gobj);
1181         if (ret) {
1182                 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret);
1183                 return -ENOMEM;
1184         }
1185         qdev->monitors_config_bo = gem_to_qxl_bo(gobj);
1186
1187         ret = qxl_bo_pin(qdev->monitors_config_bo, QXL_GEM_DOMAIN_VRAM, NULL);
1188         if (ret)
1189                 return ret;
1190
1191         qxl_bo_kmap(qdev->monitors_config_bo, NULL);
1192
1193         qdev->monitors_config = qdev->monitors_config_bo->kptr;
1194         qdev->ram_header->monitors_config =
1195                 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0);
1196
1197         memset(qdev->monitors_config, 0, monitors_config_size);
1198         qdev->monitors_config->max_allowed = max_allowed;
1199         return 0;
1200 }
1201
1202 int qxl_destroy_monitors_object(struct qxl_device *qdev)
1203 {
1204         int ret;
1205
1206         qdev->monitors_config = NULL;
1207         qdev->ram_header->monitors_config = 0;
1208
1209         qxl_bo_kunmap(qdev->monitors_config_bo);
1210         ret = qxl_bo_unpin(qdev->monitors_config_bo);
1211         if (ret)
1212                 return ret;
1213
1214         qxl_bo_unref(&qdev->monitors_config_bo);
1215         return 0;
1216 }
1217
1218 int qxl_modeset_init(struct qxl_device *qdev)
1219 {
1220         int i;
1221         int ret;
1222
1223         drm_mode_config_init(&qdev->ddev);
1224
1225         ret = qxl_create_monitors_object(qdev);
1226         if (ret)
1227                 return ret;
1228
1229         qdev->ddev.mode_config.funcs = (void *)&qxl_mode_funcs;
1230
1231         /* modes will be validated against the framebuffer size */
1232         qdev->ddev.mode_config.min_width = 0;
1233         qdev->ddev.mode_config.min_height = 0;
1234         qdev->ddev.mode_config.max_width = 8192;
1235         qdev->ddev.mode_config.max_height = 8192;
1236
1237         qdev->ddev.mode_config.fb_base = qdev->vram_base;
1238
1239         drm_mode_create_suggested_offset_properties(&qdev->ddev);
1240         qxl_mode_create_hotplug_mode_update_property(qdev);
1241
1242         for (i = 0 ; i < qxl_num_crtc; ++i) {
1243                 qdev_crtc_init(&qdev->ddev, i);
1244                 qdev_output_init(&qdev->ddev, i);
1245         }
1246
1247         qxl_display_read_client_monitors_config(qdev);
1248         qdev->mode_info.mode_config_initialized = true;
1249
1250         drm_mode_config_reset(&qdev->ddev);
1251
1252         /* primary surface must be created by this point, to allow
1253          * issuing command queue commands and having them read by
1254          * spice server. */
1255         qxl_fbdev_init(qdev);
1256         return 0;
1257 }
1258
1259 void qxl_modeset_fini(struct qxl_device *qdev)
1260 {
1261         qxl_fbdev_fini(qdev);
1262
1263         qxl_destroy_monitors_object(qdev);
1264         if (qdev->mode_info.mode_config_initialized) {
1265                 drm_mode_config_cleanup(&qdev->ddev);
1266                 qdev->mode_info.mode_config_initialized = false;
1267         }
1268 }