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/iosys-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_edid.h> 34 #include <drm/drm_framebuffer.h> 35 #include <drm/drm_gem_framebuffer_helper.h> 36 #include <drm/drm_plane_helper.h> 37 #include <drm/drm_print.h> 38 #include <drm/drm_probe_helper.h> 39 #include <drm/drm_simple_kms_helper.h> 40 #include <drm/drm_gem_atomic_helper.h> 41 #include <drm/drm_vblank.h> 42 #include <drm/drm_vblank_helper.h> 43 44 #include "qxl_drv.h" 45 #include "qxl_object.h" 46 47 static bool qxl_head_enabled(struct qxl_head *head) 48 { 49 return head->width && head->height; 50 } 51 52 static int qxl_alloc_client_monitors_config(struct qxl_device *qdev, 53 unsigned int count) 54 { 55 if (qdev->client_monitors_config && 56 count > qdev->client_monitors_config->count) { 57 kfree(qdev->client_monitors_config); 58 qdev->client_monitors_config = NULL; 59 } 60 if (!qdev->client_monitors_config) { 61 qdev->client_monitors_config = kzalloc_flex(*qdev->client_monitors_config, 62 heads, count); 63 if (!qdev->client_monitors_config) 64 return -ENOMEM; 65 } 66 qdev->client_monitors_config->count = count; 67 return 0; 68 } 69 70 enum { 71 MONITORS_CONFIG_MODIFIED, 72 MONITORS_CONFIG_UNCHANGED, 73 MONITORS_CONFIG_BAD_CRC, 74 MONITORS_CONFIG_ERROR, 75 }; 76 77 static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev) 78 { 79 int i; 80 int num_monitors; 81 uint32_t crc; 82 int status = MONITORS_CONFIG_UNCHANGED; 83 84 num_monitors = qdev->rom->client_monitors_config.count; 85 crc = crc32(0, (const uint8_t *)&qdev->rom->client_monitors_config, 86 sizeof(qdev->rom->client_monitors_config)); 87 if (crc != qdev->rom->client_monitors_config_crc) 88 return MONITORS_CONFIG_BAD_CRC; 89 if (!num_monitors) { 90 DRM_DEBUG_KMS("no client monitors configured\n"); 91 return status; 92 } 93 if (num_monitors > qxl_num_crtc) { 94 DRM_DEBUG_KMS("client monitors list will be truncated: %d < %d\n", 95 qxl_num_crtc, num_monitors); 96 num_monitors = qxl_num_crtc; 97 } else { 98 num_monitors = qdev->rom->client_monitors_config.count; 99 } 100 if (qdev->client_monitors_config 101 && (num_monitors != qdev->client_monitors_config->count)) { 102 status = MONITORS_CONFIG_MODIFIED; 103 } 104 if (qxl_alloc_client_monitors_config(qdev, num_monitors)) { 105 status = MONITORS_CONFIG_ERROR; 106 return status; 107 } 108 /* we copy max from the client but it isn't used */ 109 qdev->client_monitors_config->max_allowed = qxl_num_crtc; 110 for (i = 0 ; i < qdev->client_monitors_config->count ; ++i) { 111 struct qxl_urect *c_rect = 112 &qdev->rom->client_monitors_config.heads[i]; 113 struct qxl_head *client_head = 114 &qdev->client_monitors_config->heads[i]; 115 if (client_head->x != c_rect->left) { 116 client_head->x = c_rect->left; 117 status = MONITORS_CONFIG_MODIFIED; 118 } 119 if (client_head->y != c_rect->top) { 120 client_head->y = c_rect->top; 121 status = MONITORS_CONFIG_MODIFIED; 122 } 123 if (client_head->width != c_rect->right - c_rect->left) { 124 client_head->width = c_rect->right - c_rect->left; 125 status = MONITORS_CONFIG_MODIFIED; 126 } 127 if (client_head->height != c_rect->bottom - c_rect->top) { 128 client_head->height = c_rect->bottom - c_rect->top; 129 status = MONITORS_CONFIG_MODIFIED; 130 } 131 if (client_head->surface_id != 0) { 132 client_head->surface_id = 0; 133 status = MONITORS_CONFIG_MODIFIED; 134 } 135 if (client_head->id != i) { 136 client_head->id = i; 137 status = MONITORS_CONFIG_MODIFIED; 138 } 139 if (client_head->flags != 0) { 140 client_head->flags = 0; 141 status = MONITORS_CONFIG_MODIFIED; 142 } 143 DRM_DEBUG_KMS("read %dx%d+%d+%d\n", client_head->width, client_head->height, 144 client_head->x, client_head->y); 145 } 146 147 return status; 148 } 149 150 static void qxl_update_offset_props(struct qxl_device *qdev) 151 { 152 struct drm_device *dev = &qdev->ddev; 153 struct drm_connector *connector; 154 struct qxl_output *output; 155 struct qxl_head *head; 156 157 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 158 output = drm_connector_to_qxl_output(connector); 159 160 head = &qdev->client_monitors_config->heads[output->index]; 161 162 drm_object_property_set_value(&connector->base, 163 dev->mode_config.suggested_x_property, head->x); 164 drm_object_property_set_value(&connector->base, 165 dev->mode_config.suggested_y_property, head->y); 166 } 167 } 168 169 void qxl_display_read_client_monitors_config(struct qxl_device *qdev) 170 { 171 struct drm_device *dev = &qdev->ddev; 172 struct drm_modeset_acquire_ctx ctx; 173 int status, retries, ret; 174 175 for (retries = 0; retries < 10; retries++) { 176 status = qxl_display_copy_rom_client_monitors_config(qdev); 177 if (status != MONITORS_CONFIG_BAD_CRC) 178 break; 179 udelay(5); 180 } 181 if (status == MONITORS_CONFIG_ERROR) { 182 DRM_DEBUG_KMS("ignoring client monitors config: error"); 183 return; 184 } 185 if (status == MONITORS_CONFIG_BAD_CRC) { 186 DRM_DEBUG_KMS("ignoring client monitors config: bad crc"); 187 return; 188 } 189 if (status == MONITORS_CONFIG_UNCHANGED) { 190 DRM_DEBUG_KMS("ignoring client monitors config: unchanged"); 191 return; 192 } 193 194 DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE, ret); 195 qxl_update_offset_props(qdev); 196 DRM_MODESET_LOCK_ALL_END(dev, ctx, ret); 197 if (!drm_helper_hpd_irq_event(dev)) { 198 /* notify that the monitor configuration changed, to 199 adjust at the arbitrary resolution */ 200 drm_kms_helper_hotplug_event(dev); 201 } 202 } 203 204 static int qxl_check_mode(struct qxl_device *qdev, 205 unsigned int width, 206 unsigned int height) 207 { 208 unsigned int stride; 209 unsigned int size; 210 211 if (check_mul_overflow(width, 4u, &stride)) 212 return -EINVAL; 213 if (check_mul_overflow(stride, height, &size)) 214 return -EINVAL; 215 if (size > qdev->vram_size) 216 return -ENOMEM; 217 return 0; 218 } 219 220 static int qxl_check_framebuffer(struct qxl_device *qdev, 221 struct qxl_bo *bo) 222 { 223 return qxl_check_mode(qdev, bo->surf.width, bo->surf.height); 224 } 225 226 static int qxl_add_mode(struct drm_connector *connector, 227 unsigned int width, 228 unsigned int height, 229 bool preferred) 230 { 231 struct drm_device *dev = connector->dev; 232 struct qxl_device *qdev = to_qxl(dev); 233 struct drm_display_mode *mode = NULL; 234 int rc; 235 236 rc = qxl_check_mode(qdev, width, height); 237 if (rc != 0) 238 return 0; 239 240 mode = drm_cvt_mode(dev, width, height, 60, false, false, false); 241 if (!mode) 242 return 0; 243 244 if (preferred) 245 mode->type |= DRM_MODE_TYPE_PREFERRED; 246 mode->hdisplay = width; 247 mode->vdisplay = height; 248 drm_mode_set_name(mode); 249 drm_mode_probed_add(connector, mode); 250 return 1; 251 } 252 253 static int qxl_add_monitors_config_modes(struct drm_connector *connector) 254 { 255 struct drm_device *dev = connector->dev; 256 struct qxl_device *qdev = to_qxl(dev); 257 struct qxl_output *output = drm_connector_to_qxl_output(connector); 258 int h = output->index; 259 struct qxl_head *head; 260 261 if (!qdev->monitors_config) 262 return 0; 263 if (h >= qxl_num_crtc) 264 return 0; 265 if (!qdev->client_monitors_config) 266 return 0; 267 if (h >= qdev->client_monitors_config->count) 268 return 0; 269 270 head = &qdev->client_monitors_config->heads[h]; 271 DRM_DEBUG_KMS("head %d is %dx%d\n", h, head->width, head->height); 272 273 return qxl_add_mode(connector, head->width, head->height, true); 274 } 275 276 static struct mode_size { 277 int w; 278 int h; 279 } extra_modes[] = { 280 { 720, 480}, 281 {1152, 768}, 282 {1280, 854}, 283 }; 284 285 static int qxl_add_extra_modes(struct drm_connector *connector) 286 { 287 int i, ret = 0; 288 289 for (i = 0; i < ARRAY_SIZE(extra_modes); i++) 290 ret += qxl_add_mode(connector, 291 extra_modes[i].w, 292 extra_modes[i].h, 293 false); 294 return ret; 295 } 296 297 static void qxl_send_monitors_config(struct qxl_device *qdev) 298 { 299 int i; 300 301 BUG_ON(!qdev->ram_header->monitors_config); 302 303 if (qdev->monitors_config->count == 0) 304 return; 305 306 for (i = 0 ; i < qdev->monitors_config->count ; ++i) { 307 struct qxl_head *head = &qdev->monitors_config->heads[i]; 308 309 if (head->y > 8192 || head->x > 8192 || 310 head->width > 8192 || head->height > 8192) { 311 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n", 312 i, head->width, head->height, 313 head->x, head->y); 314 return; 315 } 316 } 317 qxl_io_monitors_config(qdev); 318 } 319 320 static void qxl_crtc_update_monitors_config(struct drm_crtc *crtc, 321 const char *reason) 322 { 323 struct drm_device *dev = crtc->dev; 324 struct qxl_device *qdev = to_qxl(dev); 325 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 326 struct qxl_head head; 327 int oldcount, i = qcrtc->index; 328 329 if (!qdev->primary_bo) { 330 DRM_DEBUG_KMS("no primary surface, skip (%s)\n", reason); 331 return; 332 } 333 334 if (!qdev->monitors_config || qxl_num_crtc <= i) 335 return; 336 337 head.id = i; 338 head.flags = 0; 339 head.surface_id = 0; 340 oldcount = qdev->monitors_config->count; 341 if (crtc->state->active) { 342 struct drm_display_mode *mode = &crtc->mode; 343 344 head.width = mode->hdisplay; 345 head.height = mode->vdisplay; 346 head.x = crtc->x; 347 head.y = crtc->y; 348 if (qdev->monitors_config->count < i + 1) 349 qdev->monitors_config->count = i + 1; 350 if (qdev->primary_bo == qdev->dumb_shadow_bo) 351 head.x += qdev->dumb_heads[i].x; 352 } else if (i > 0) { 353 head.width = 0; 354 head.height = 0; 355 head.x = 0; 356 head.y = 0; 357 if (qdev->monitors_config->count == i + 1) 358 qdev->monitors_config->count = i; 359 } else { 360 DRM_DEBUG_KMS("inactive head 0, skip (%s)\n", reason); 361 return; 362 } 363 364 if (head.width == qdev->monitors_config->heads[i].width && 365 head.height == qdev->monitors_config->heads[i].height && 366 head.x == qdev->monitors_config->heads[i].x && 367 head.y == qdev->monitors_config->heads[i].y && 368 oldcount == qdev->monitors_config->count) 369 return; 370 371 DRM_DEBUG_KMS("head %d, %dx%d, at +%d+%d, %s (%s)\n", 372 i, head.width, head.height, head.x, head.y, 373 crtc->state->active ? "on" : "off", reason); 374 if (oldcount != qdev->monitors_config->count) 375 DRM_DEBUG_KMS("active heads %d -> %d (%d total)\n", 376 oldcount, qdev->monitors_config->count, 377 qxl_num_crtc); 378 379 qdev->monitors_config->heads[i] = head; 380 qdev->monitors_config->max_allowed = qxl_num_crtc; 381 qxl_send_monitors_config(qdev); 382 } 383 384 static void qxl_crtc_atomic_flush(struct drm_crtc *crtc, 385 struct drm_atomic_commit *state) 386 { 387 struct drm_device *dev = crtc->dev; 388 struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, crtc); 389 struct drm_pending_vblank_event *event; 390 391 qxl_crtc_update_monitors_config(crtc, "flush"); 392 393 spin_lock_irq(&dev->event_lock); 394 395 event = crtc_state->event; 396 crtc_state->event = NULL; 397 398 if (event) { 399 if (drm_crtc_vblank_get(crtc) == 0) 400 drm_crtc_arm_vblank_event(crtc, event); 401 else 402 drm_crtc_send_vblank_event(crtc, event); 403 } 404 405 spin_unlock_irq(&dev->event_lock); 406 } 407 408 static void qxl_crtc_destroy(struct drm_crtc *crtc) 409 { 410 struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc); 411 412 qxl_bo_unref(&qxl_crtc->cursor_bo); 413 drm_crtc_cleanup(crtc); 414 kfree(qxl_crtc); 415 } 416 417 static const struct drm_crtc_funcs qxl_crtc_funcs = { 418 .set_config = drm_atomic_helper_set_config, 419 .destroy = qxl_crtc_destroy, 420 .page_flip = drm_atomic_helper_page_flip, 421 .reset = drm_atomic_helper_crtc_reset, 422 .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state, 423 .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state, 424 DRM_CRTC_VBLANK_TIMER_FUNCS, 425 }; 426 427 static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb, 428 struct drm_file *file_priv, 429 unsigned int flags, unsigned int color, 430 struct drm_clip_rect *clips, 431 unsigned int num_clips) 432 { 433 /* TODO: vmwgfx where this was cribbed from had locking. Why? */ 434 struct qxl_device *qdev = to_qxl(fb->dev); 435 struct drm_clip_rect norect; 436 struct qxl_bo *qobj; 437 struct drm_modeset_acquire_ctx ctx; 438 bool is_primary; 439 int inc = 1, ret; 440 441 DRM_MODESET_LOCK_ALL_BEGIN(fb->dev, ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE, ret); 442 443 qobj = gem_to_qxl_bo(fb->obj[0]); 444 /* if we aren't primary surface ignore this */ 445 is_primary = qobj->shadow ? qobj->shadow->is_primary : qobj->is_primary; 446 if (!is_primary) 447 goto out_lock_end; 448 449 if (!num_clips) { 450 num_clips = 1; 451 clips = &norect; 452 norect.x1 = norect.y1 = 0; 453 norect.x2 = fb->width; 454 norect.y2 = fb->height; 455 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) { 456 num_clips /= 2; 457 inc = 2; /* skip source rects */ 458 } 459 460 qxl_draw_dirty_fb(qdev, fb, qobj, flags, color, 461 clips, num_clips, inc, 0); 462 463 out_lock_end: 464 DRM_MODESET_LOCK_ALL_END(fb->dev, ctx, ret); 465 466 return 0; 467 } 468 469 static const struct drm_framebuffer_funcs qxl_fb_funcs = { 470 .destroy = drm_gem_fb_destroy, 471 .dirty = qxl_framebuffer_surface_dirty, 472 .create_handle = drm_gem_fb_create_handle, 473 }; 474 475 static void qxl_crtc_atomic_enable(struct drm_crtc *crtc, 476 struct drm_atomic_commit *state) 477 { 478 qxl_crtc_update_monitors_config(crtc, "enable"); 479 480 drm_crtc_vblank_on(crtc); 481 } 482 483 static void qxl_crtc_atomic_disable(struct drm_crtc *crtc, 484 struct drm_atomic_commit *state) 485 { 486 drm_crtc_vblank_off(crtc); 487 488 qxl_crtc_update_monitors_config(crtc, "disable"); 489 } 490 491 static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = { 492 .atomic_flush = qxl_crtc_atomic_flush, 493 .atomic_enable = qxl_crtc_atomic_enable, 494 .atomic_disable = qxl_crtc_atomic_disable, 495 }; 496 497 static int qxl_primary_atomic_check(struct drm_plane *plane, 498 struct drm_atomic_commit *state) 499 { 500 struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, 501 plane); 502 struct qxl_device *qdev = to_qxl(plane->dev); 503 struct qxl_bo *bo; 504 505 if (!new_plane_state->crtc || !new_plane_state->fb) 506 return 0; 507 508 bo = gem_to_qxl_bo(new_plane_state->fb->obj[0]); 509 510 return qxl_check_framebuffer(qdev, bo); 511 } 512 513 static int qxl_primary_apply_cursor(struct qxl_device *qdev, 514 struct drm_plane_state *plane_state) 515 { 516 struct qxl_crtc *qcrtc = to_qxl_crtc(plane_state->crtc); 517 struct qxl_cursor_cmd *cmd; 518 struct qxl_release *release; 519 int ret = 0; 520 521 if (!qcrtc->cursor_bo) 522 return 0; 523 524 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), 525 QXL_RELEASE_CURSOR_CMD, 526 &release, NULL); 527 if (ret) 528 return ret; 529 530 ret = qxl_release_list_add(release, qcrtc->cursor_bo); 531 if (ret) 532 goto out_free_release; 533 534 ret = qxl_release_reserve_list(release, false); 535 if (ret) 536 goto out_free_release; 537 538 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 539 cmd->type = QXL_CURSOR_SET; 540 cmd->u.set.position.x = plane_state->crtc_x + plane_state->hotspot_x; 541 cmd->u.set.position.y = plane_state->crtc_y + plane_state->hotspot_y; 542 543 cmd->u.set.shape = qxl_bo_physical_address(qdev, qcrtc->cursor_bo, 0); 544 545 cmd->u.set.visible = 1; 546 qxl_release_unmap(qdev, release, &cmd->release_info); 547 548 qxl_release_fence_buffer_objects(release); 549 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 550 551 return ret; 552 553 out_free_release: 554 qxl_release_free(qdev, release); 555 return ret; 556 } 557 558 static int qxl_primary_move_cursor(struct qxl_device *qdev, 559 struct drm_plane_state *plane_state) 560 { 561 struct qxl_crtc *qcrtc = to_qxl_crtc(plane_state->crtc); 562 struct qxl_cursor_cmd *cmd; 563 struct qxl_release *release; 564 int ret = 0; 565 566 if (!qcrtc->cursor_bo) 567 return 0; 568 569 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), 570 QXL_RELEASE_CURSOR_CMD, 571 &release, NULL); 572 if (ret) 573 return ret; 574 575 ret = qxl_release_reserve_list(release, true); 576 if (ret) { 577 qxl_release_free(qdev, release); 578 return ret; 579 } 580 581 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 582 cmd->type = QXL_CURSOR_MOVE; 583 cmd->u.position.x = plane_state->crtc_x + plane_state->hotspot_x; 584 cmd->u.position.y = plane_state->crtc_y + plane_state->hotspot_y; 585 qxl_release_unmap(qdev, release, &cmd->release_info); 586 587 qxl_release_fence_buffer_objects(release); 588 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 589 return ret; 590 } 591 592 static struct qxl_bo *qxl_create_cursor(struct qxl_device *qdev, 593 struct qxl_bo *user_bo, 594 int hot_x, int hot_y) 595 { 596 static const u32 size = 64 * 64 * 4; 597 struct qxl_bo *cursor_bo; 598 struct iosys_map cursor_map; 599 struct iosys_map user_map; 600 struct qxl_cursor cursor; 601 int ret; 602 603 if (!user_bo) 604 return NULL; 605 606 ret = qxl_bo_create(qdev, sizeof(struct qxl_cursor) + size, 607 false, true, QXL_GEM_DOMAIN_VRAM, 1, 608 NULL, &cursor_bo); 609 if (ret) 610 goto err; 611 612 ret = qxl_bo_pin_and_vmap(cursor_bo, &cursor_map); 613 if (ret) 614 goto err_unref; 615 616 ret = qxl_bo_pin_and_vmap(user_bo, &user_map); 617 if (ret) 618 goto err_unmap; 619 620 cursor.header.unique = 0; 621 cursor.header.type = SPICE_CURSOR_TYPE_ALPHA; 622 cursor.header.width = 64; 623 cursor.header.height = 64; 624 cursor.header.hot_spot_x = hot_x; 625 cursor.header.hot_spot_y = hot_y; 626 cursor.data_size = size; 627 cursor.chunk.next_chunk = 0; 628 cursor.chunk.prev_chunk = 0; 629 cursor.chunk.data_size = size; 630 if (cursor_map.is_iomem) { 631 memcpy_toio(cursor_map.vaddr_iomem, 632 &cursor, sizeof(cursor)); 633 memcpy_toio(cursor_map.vaddr_iomem + sizeof(cursor), 634 user_map.vaddr, size); 635 } else { 636 memcpy(cursor_map.vaddr, 637 &cursor, sizeof(cursor)); 638 memcpy(cursor_map.vaddr + sizeof(cursor), 639 user_map.vaddr, size); 640 } 641 642 qxl_bo_vunmap_and_unpin(user_bo); 643 qxl_bo_vunmap_and_unpin(cursor_bo); 644 return cursor_bo; 645 646 err_unmap: 647 qxl_bo_vunmap_and_unpin(cursor_bo); 648 err_unref: 649 qxl_bo_unpin(cursor_bo); 650 qxl_bo_unref(&cursor_bo); 651 err: 652 return NULL; 653 } 654 655 static void qxl_free_cursor(struct qxl_bo *cursor_bo) 656 { 657 if (!cursor_bo) 658 return; 659 660 qxl_bo_unpin(cursor_bo); 661 qxl_bo_unref(&cursor_bo); 662 } 663 664 static void qxl_primary_atomic_update(struct drm_plane *plane, 665 struct drm_atomic_commit *state) 666 { 667 struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, 668 plane); 669 struct qxl_device *qdev = to_qxl(plane->dev); 670 struct qxl_bo *bo = gem_to_qxl_bo(new_state->fb->obj[0]); 671 struct qxl_bo *primary; 672 struct drm_clip_rect norect = { 673 .x1 = 0, 674 .y1 = 0, 675 .x2 = new_state->fb->width, 676 .y2 = new_state->fb->height 677 }; 678 uint32_t dumb_shadow_offset = 0; 679 680 primary = bo->shadow ? bo->shadow : bo; 681 682 if (!primary->is_primary) { 683 if (qdev->primary_bo) 684 qxl_io_destroy_primary(qdev); 685 qxl_io_create_primary(qdev, primary); 686 qxl_primary_apply_cursor(qdev, plane->state); 687 } 688 689 if (bo->is_dumb) 690 dumb_shadow_offset = 691 qdev->dumb_heads[new_state->crtc->index].x; 692 693 qxl_draw_dirty_fb(qdev, new_state->fb, bo, 0, 0, &norect, 1, 1, 694 dumb_shadow_offset); 695 } 696 697 static void qxl_primary_atomic_disable(struct drm_plane *plane, 698 struct drm_atomic_commit *state) 699 { 700 struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, 701 plane); 702 struct qxl_device *qdev = to_qxl(plane->dev); 703 704 if (old_state->fb) { 705 struct qxl_bo *bo = gem_to_qxl_bo(old_state->fb->obj[0]); 706 707 if (bo->shadow) 708 bo = bo->shadow; 709 if (bo->is_primary) 710 qxl_io_destroy_primary(qdev); 711 } 712 } 713 714 static void qxl_cursor_atomic_update(struct drm_plane *plane, 715 struct drm_atomic_commit *state) 716 { 717 struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, 718 plane); 719 struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, 720 plane); 721 struct qxl_device *qdev = to_qxl(plane->dev); 722 struct drm_framebuffer *fb = new_state->fb; 723 724 if (fb != old_state->fb) { 725 qxl_primary_apply_cursor(qdev, new_state); 726 } else { 727 qxl_primary_move_cursor(qdev, new_state); 728 } 729 } 730 731 static void qxl_cursor_atomic_disable(struct drm_plane *plane, 732 struct drm_atomic_commit *state) 733 { 734 struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, 735 plane); 736 struct qxl_device *qdev = to_qxl(plane->dev); 737 struct qxl_crtc *qcrtc; 738 struct qxl_release *release; 739 struct qxl_cursor_cmd *cmd; 740 int ret; 741 742 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), 743 QXL_RELEASE_CURSOR_CMD, 744 &release, NULL); 745 if (ret) 746 return; 747 748 ret = qxl_release_reserve_list(release, true); 749 if (ret) { 750 qxl_release_free(qdev, release); 751 return; 752 } 753 754 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 755 cmd->type = QXL_CURSOR_HIDE; 756 qxl_release_unmap(qdev, release, &cmd->release_info); 757 758 qxl_release_fence_buffer_objects(release); 759 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 760 761 qcrtc = to_qxl_crtc(old_state->crtc); 762 qxl_free_cursor(qcrtc->cursor_bo); 763 qcrtc->cursor_bo = NULL; 764 } 765 766 static void qxl_update_dumb_head(struct qxl_device *qdev, 767 int index, struct qxl_bo *bo) 768 { 769 uint32_t width, height; 770 771 if (index >= qdev->monitors_config->max_allowed) 772 return; 773 774 if (bo && bo->is_dumb) { 775 width = bo->surf.width; 776 height = bo->surf.height; 777 } else { 778 width = 0; 779 height = 0; 780 } 781 782 if (qdev->dumb_heads[index].width == width && 783 qdev->dumb_heads[index].height == height) 784 return; 785 786 DRM_DEBUG("#%d: %dx%d -> %dx%d\n", index, 787 qdev->dumb_heads[index].width, 788 qdev->dumb_heads[index].height, 789 width, height); 790 qdev->dumb_heads[index].width = width; 791 qdev->dumb_heads[index].height = height; 792 } 793 794 static void qxl_calc_dumb_shadow(struct qxl_device *qdev, 795 struct qxl_surface *surf) 796 { 797 struct qxl_head *head; 798 int i; 799 800 memset(surf, 0, sizeof(*surf)); 801 for (i = 0; i < qdev->monitors_config->max_allowed; i++) { 802 head = qdev->dumb_heads + i; 803 head->x = surf->width; 804 surf->width += head->width; 805 if (surf->height < head->height) 806 surf->height = head->height; 807 } 808 if (surf->width < 64) 809 surf->width = 64; 810 if (surf->height < 64) 811 surf->height = 64; 812 surf->format = SPICE_SURFACE_FMT_32_xRGB; 813 surf->stride = surf->width * 4; 814 815 if (!qdev->dumb_shadow_bo || 816 qdev->dumb_shadow_bo->surf.width != surf->width || 817 qdev->dumb_shadow_bo->surf.height != surf->height) 818 DRM_DEBUG("%dx%d\n", surf->width, surf->height); 819 } 820 821 static void qxl_prepare_shadow(struct qxl_device *qdev, struct qxl_bo *user_bo, 822 int crtc_index) 823 { 824 struct qxl_surface surf; 825 826 qxl_update_dumb_head(qdev, crtc_index, 827 user_bo); 828 qxl_calc_dumb_shadow(qdev, &surf); 829 if (!qdev->dumb_shadow_bo || 830 qdev->dumb_shadow_bo->surf.width != surf.width || 831 qdev->dumb_shadow_bo->surf.height != surf.height) { 832 if (qdev->dumb_shadow_bo) { 833 qxl_bo_unpin(qdev->dumb_shadow_bo); 834 drm_gem_object_put 835 (&qdev->dumb_shadow_bo->tbo.base); 836 qdev->dumb_shadow_bo = NULL; 837 } 838 qxl_bo_create(qdev, surf.height * surf.stride, 839 true, true, QXL_GEM_DOMAIN_SURFACE, 0, 840 &surf, &qdev->dumb_shadow_bo); 841 } 842 if (user_bo->shadow != qdev->dumb_shadow_bo) { 843 if (user_bo->shadow) { 844 qxl_bo_unpin(user_bo->shadow); 845 drm_gem_object_put 846 (&user_bo->shadow->tbo.base); 847 user_bo->shadow = NULL; 848 } 849 drm_gem_object_get(&qdev->dumb_shadow_bo->tbo.base); 850 user_bo->shadow = qdev->dumb_shadow_bo; 851 qxl_bo_pin(user_bo->shadow); 852 } 853 } 854 855 static int qxl_plane_prepare_fb(struct drm_plane *plane, 856 struct drm_plane_state *new_state) 857 { 858 struct qxl_device *qdev = to_qxl(plane->dev); 859 struct drm_gem_object *obj; 860 struct qxl_bo *user_bo; 861 int ret; 862 863 if (!new_state->fb) 864 return 0; 865 866 obj = new_state->fb->obj[0]; 867 user_bo = gem_to_qxl_bo(obj); 868 869 if (plane->type == DRM_PLANE_TYPE_PRIMARY && 870 user_bo->is_dumb) { 871 qxl_prepare_shadow(qdev, user_bo, new_state->crtc->index); 872 } 873 874 if (plane->type == DRM_PLANE_TYPE_CURSOR && 875 plane->state->fb != new_state->fb) { 876 struct qxl_crtc *qcrtc = to_qxl_crtc(new_state->crtc); 877 struct qxl_bo *old_cursor_bo = qcrtc->cursor_bo; 878 879 qcrtc->cursor_bo = qxl_create_cursor(qdev, user_bo, 880 new_state->hotspot_x, 881 new_state->hotspot_y); 882 qxl_free_cursor(old_cursor_bo); 883 } 884 885 ret = qxl_bo_pin(user_bo); 886 if (ret) 887 return ret; 888 889 return drm_gem_plane_helper_prepare_fb(plane, new_state); 890 } 891 892 static void qxl_plane_cleanup_fb(struct drm_plane *plane, 893 struct drm_plane_state *old_state) 894 { 895 struct drm_gem_object *obj; 896 struct qxl_bo *user_bo; 897 898 if (!old_state->fb) { 899 /* 900 * we never executed prepare_fb, so there's nothing to 901 * unpin. 902 */ 903 return; 904 } 905 906 obj = old_state->fb->obj[0]; 907 user_bo = gem_to_qxl_bo(obj); 908 qxl_bo_unpin(user_bo); 909 910 if (old_state->fb != plane->state->fb && user_bo->shadow) { 911 qxl_bo_unpin(user_bo->shadow); 912 drm_gem_object_put(&user_bo->shadow->tbo.base); 913 user_bo->shadow = NULL; 914 } 915 } 916 917 static const uint32_t qxl_cursor_plane_formats[] = { 918 DRM_FORMAT_ARGB8888, 919 }; 920 921 static const struct drm_plane_helper_funcs qxl_cursor_helper_funcs = { 922 .atomic_update = qxl_cursor_atomic_update, 923 .atomic_disable = qxl_cursor_atomic_disable, 924 .prepare_fb = qxl_plane_prepare_fb, 925 .cleanup_fb = qxl_plane_cleanup_fb, 926 }; 927 928 static const struct drm_plane_funcs qxl_cursor_plane_funcs = { 929 .update_plane = drm_atomic_helper_update_plane, 930 .disable_plane = drm_atomic_helper_disable_plane, 931 .destroy = drm_plane_helper_destroy, 932 .reset = drm_atomic_helper_plane_reset, 933 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 934 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 935 }; 936 937 static const uint32_t qxl_primary_plane_formats[] = { 938 DRM_FORMAT_XRGB8888, 939 DRM_FORMAT_ARGB8888, 940 }; 941 942 static const struct drm_plane_helper_funcs primary_helper_funcs = { 943 .atomic_check = qxl_primary_atomic_check, 944 .atomic_update = qxl_primary_atomic_update, 945 .atomic_disable = qxl_primary_atomic_disable, 946 .prepare_fb = qxl_plane_prepare_fb, 947 .cleanup_fb = qxl_plane_cleanup_fb, 948 }; 949 950 static const struct drm_plane_funcs qxl_primary_plane_funcs = { 951 .update_plane = drm_atomic_helper_update_plane, 952 .disable_plane = drm_atomic_helper_disable_plane, 953 .destroy = drm_plane_helper_destroy, 954 .reset = drm_atomic_helper_plane_reset, 955 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 956 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 957 }; 958 959 static struct drm_plane *qxl_create_plane(struct qxl_device *qdev, 960 unsigned int possible_crtcs, 961 enum drm_plane_type type) 962 { 963 const struct drm_plane_helper_funcs *helper_funcs = NULL; 964 struct drm_plane *plane; 965 const struct drm_plane_funcs *funcs; 966 const uint32_t *formats; 967 int num_formats; 968 int err; 969 970 if (type == DRM_PLANE_TYPE_PRIMARY) { 971 funcs = &qxl_primary_plane_funcs; 972 formats = qxl_primary_plane_formats; 973 num_formats = ARRAY_SIZE(qxl_primary_plane_formats); 974 helper_funcs = &primary_helper_funcs; 975 } else if (type == DRM_PLANE_TYPE_CURSOR) { 976 funcs = &qxl_cursor_plane_funcs; 977 formats = qxl_cursor_plane_formats; 978 helper_funcs = &qxl_cursor_helper_funcs; 979 num_formats = ARRAY_SIZE(qxl_cursor_plane_formats); 980 } else { 981 return ERR_PTR(-EINVAL); 982 } 983 984 plane = kzalloc(sizeof(*plane), GFP_KERNEL); 985 if (!plane) 986 return ERR_PTR(-ENOMEM); 987 988 err = drm_universal_plane_init(&qdev->ddev, plane, possible_crtcs, 989 funcs, formats, num_formats, 990 NULL, type, NULL); 991 if (err) 992 goto free_plane; 993 994 drm_plane_helper_add(plane, helper_funcs); 995 996 return plane; 997 998 free_plane: 999 kfree(plane); 1000 return ERR_PTR(-EINVAL); 1001 } 1002 1003 static int qdev_crtc_init(struct drm_device *dev, int crtc_id) 1004 { 1005 struct qxl_crtc *qxl_crtc; 1006 struct drm_plane *primary, *cursor; 1007 struct qxl_device *qdev = to_qxl(dev); 1008 int r; 1009 1010 qxl_crtc = kzalloc_obj(struct qxl_crtc); 1011 if (!qxl_crtc) 1012 return -ENOMEM; 1013 1014 primary = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_PRIMARY); 1015 if (IS_ERR(primary)) { 1016 r = -ENOMEM; 1017 goto free_mem; 1018 } 1019 1020 cursor = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_CURSOR); 1021 if (IS_ERR(cursor)) { 1022 r = -ENOMEM; 1023 goto clean_primary; 1024 } 1025 1026 r = drm_crtc_init_with_planes(dev, &qxl_crtc->base, primary, cursor, 1027 &qxl_crtc_funcs, NULL); 1028 if (r) 1029 goto clean_cursor; 1030 1031 qxl_crtc->index = crtc_id; 1032 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs); 1033 return 0; 1034 1035 clean_cursor: 1036 drm_plane_cleanup(cursor); 1037 kfree(cursor); 1038 clean_primary: 1039 drm_plane_cleanup(primary); 1040 kfree(primary); 1041 free_mem: 1042 kfree(qxl_crtc); 1043 return r; 1044 } 1045 1046 static int qxl_conn_get_modes(struct drm_connector *connector) 1047 { 1048 struct drm_device *dev = connector->dev; 1049 struct qxl_device *qdev = to_qxl(dev); 1050 struct qxl_output *output = drm_connector_to_qxl_output(connector); 1051 unsigned int pwidth = 1024; 1052 unsigned int pheight = 768; 1053 int ret = 0; 1054 1055 if (qdev->client_monitors_config) { 1056 struct qxl_head *head; 1057 head = &qdev->client_monitors_config->heads[output->index]; 1058 if (head->width) 1059 pwidth = head->width; 1060 if (head->height) 1061 pheight = head->height; 1062 } 1063 1064 ret += drm_add_modes_noedid(connector, 8192, 8192); 1065 ret += qxl_add_extra_modes(connector); 1066 ret += qxl_add_monitors_config_modes(connector); 1067 drm_set_preferred_mode(connector, pwidth, pheight); 1068 return ret; 1069 } 1070 1071 static enum drm_mode_status qxl_conn_mode_valid(struct drm_connector *connector, 1072 const struct drm_display_mode *mode) 1073 { 1074 struct drm_device *ddev = connector->dev; 1075 struct qxl_device *qdev = to_qxl(ddev); 1076 1077 if (qxl_check_mode(qdev, mode->hdisplay, mode->vdisplay) != 0) 1078 return MODE_BAD; 1079 1080 return MODE_OK; 1081 } 1082 1083 static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector) 1084 { 1085 struct qxl_output *qxl_output = 1086 drm_connector_to_qxl_output(connector); 1087 1088 DRM_DEBUG("\n"); 1089 return &qxl_output->enc; 1090 } 1091 1092 static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = { 1093 .get_modes = qxl_conn_get_modes, 1094 .mode_valid = qxl_conn_mode_valid, 1095 .best_encoder = qxl_best_encoder, 1096 }; 1097 1098 static enum drm_connector_status qxl_conn_detect( 1099 struct drm_connector *connector, 1100 bool force) 1101 { 1102 struct qxl_output *output = 1103 drm_connector_to_qxl_output(connector); 1104 struct drm_device *ddev = connector->dev; 1105 struct qxl_device *qdev = to_qxl(ddev); 1106 bool connected = false; 1107 1108 /* The first monitor is always connected */ 1109 if (!qdev->client_monitors_config) { 1110 if (output->index == 0) 1111 connected = true; 1112 } else 1113 connected = qdev->client_monitors_config->count > output->index && 1114 qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]); 1115 1116 DRM_DEBUG("#%d connected: %d\n", output->index, connected); 1117 1118 return connected ? connector_status_connected 1119 : connector_status_disconnected; 1120 } 1121 1122 static void qxl_conn_destroy(struct drm_connector *connector) 1123 { 1124 struct qxl_output *qxl_output = 1125 drm_connector_to_qxl_output(connector); 1126 1127 drm_connector_unregister(connector); 1128 drm_connector_cleanup(connector); 1129 kfree(qxl_output); 1130 } 1131 1132 static const struct drm_connector_funcs qxl_connector_funcs = { 1133 .detect = qxl_conn_detect, 1134 .fill_modes = drm_helper_probe_single_connector_modes, 1135 .destroy = qxl_conn_destroy, 1136 .reset = drm_atomic_helper_connector_reset, 1137 .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, 1138 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, 1139 }; 1140 1141 static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev) 1142 { 1143 if (qdev->hotplug_mode_update_property) 1144 return 0; 1145 1146 qdev->hotplug_mode_update_property = 1147 drm_property_create_range(&qdev->ddev, DRM_MODE_PROP_IMMUTABLE, 1148 "hotplug_mode_update", 0, 1); 1149 1150 return 0; 1151 } 1152 1153 static int qdev_output_init(struct drm_device *dev, int num_output) 1154 { 1155 struct qxl_device *qdev = to_qxl(dev); 1156 struct qxl_output *qxl_output; 1157 struct drm_connector *connector; 1158 struct drm_encoder *encoder; 1159 int ret; 1160 1161 qxl_output = kzalloc_obj(struct qxl_output); 1162 if (!qxl_output) 1163 return -ENOMEM; 1164 1165 qxl_output->index = num_output; 1166 1167 connector = &qxl_output->base; 1168 encoder = &qxl_output->enc; 1169 drm_connector_init(dev, &qxl_output->base, 1170 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL); 1171 1172 ret = drm_simple_encoder_init(dev, &qxl_output->enc, 1173 DRM_MODE_ENCODER_VIRTUAL); 1174 if (ret) { 1175 drm_err(dev, "drm_simple_encoder_init() failed, error %d\n", 1176 ret); 1177 goto err_drm_connector_cleanup; 1178 } 1179 1180 /* we get HPD via client monitors config */ 1181 connector->polled = DRM_CONNECTOR_POLL_HPD; 1182 encoder->possible_crtcs = 1 << num_output; 1183 drm_connector_attach_encoder(&qxl_output->base, 1184 &qxl_output->enc); 1185 drm_connector_helper_add(connector, &qxl_connector_helper_funcs); 1186 1187 drm_object_attach_property(&connector->base, 1188 qdev->hotplug_mode_update_property, 0); 1189 drm_object_attach_property(&connector->base, 1190 dev->mode_config.suggested_x_property, 0); 1191 drm_object_attach_property(&connector->base, 1192 dev->mode_config.suggested_y_property, 0); 1193 return 0; 1194 1195 err_drm_connector_cleanup: 1196 drm_connector_cleanup(&qxl_output->base); 1197 kfree(qxl_output); 1198 return ret; 1199 } 1200 1201 static struct drm_framebuffer * 1202 qxl_user_framebuffer_create(struct drm_device *dev, 1203 struct drm_file *file_priv, 1204 const struct drm_format_info *info, 1205 const struct drm_mode_fb_cmd2 *mode_cmd) 1206 { 1207 return drm_gem_fb_create_with_funcs(dev, file_priv, info, mode_cmd, 1208 &qxl_fb_funcs); 1209 } 1210 1211 static const struct drm_mode_config_funcs qxl_mode_funcs = { 1212 .fb_create = qxl_user_framebuffer_create, 1213 .atomic_check = drm_atomic_helper_check, 1214 .atomic_commit = drm_atomic_helper_commit, 1215 }; 1216 1217 int qxl_create_monitors_object(struct qxl_device *qdev) 1218 { 1219 int ret; 1220 struct drm_gem_object *gobj; 1221 struct iosys_map map; 1222 int monitors_config_size = sizeof(struct qxl_monitors_config) + 1223 qxl_num_crtc * sizeof(struct qxl_head); 1224 1225 ret = qxl_gem_object_create(qdev, monitors_config_size, 0, 1226 QXL_GEM_DOMAIN_VRAM, 1227 false, false, NULL, &gobj); 1228 if (ret) { 1229 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret); 1230 return -ENOMEM; 1231 } 1232 qdev->monitors_config_bo = gem_to_qxl_bo(gobj); 1233 1234 ret = qxl_bo_pin_and_vmap(qdev->monitors_config_bo, &map); 1235 if (ret) 1236 return ret; 1237 1238 qdev->monitors_config = qdev->monitors_config_bo->kptr; 1239 qdev->ram_header->monitors_config = 1240 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0); 1241 1242 memset(qdev->monitors_config, 0, monitors_config_size); 1243 qdev->dumb_heads = kzalloc_objs(qdev->dumb_heads[0], qxl_num_crtc); 1244 if (!qdev->dumb_heads) { 1245 qxl_destroy_monitors_object(qdev); 1246 return -ENOMEM; 1247 } 1248 return 0; 1249 } 1250 1251 int qxl_destroy_monitors_object(struct qxl_device *qdev) 1252 { 1253 int ret; 1254 1255 if (!qdev->monitors_config_bo) 1256 return 0; 1257 1258 kfree(qdev->dumb_heads); 1259 qdev->dumb_heads = NULL; 1260 1261 qdev->monitors_config = NULL; 1262 qdev->ram_header->monitors_config = 0; 1263 1264 ret = qxl_bo_vunmap_and_unpin(qdev->monitors_config_bo); 1265 if (ret) 1266 return ret; 1267 1268 qxl_bo_unref(&qdev->monitors_config_bo); 1269 return 0; 1270 } 1271 1272 int qxl_modeset_init(struct qxl_device *qdev) 1273 { 1274 int i; 1275 int ret; 1276 1277 ret = drmm_mode_config_init(&qdev->ddev); 1278 if (ret) 1279 return ret; 1280 1281 ret = qxl_create_monitors_object(qdev); 1282 if (ret) 1283 return ret; 1284 1285 qdev->ddev.mode_config.funcs = (void *)&qxl_mode_funcs; 1286 1287 /* modes will be validated against the framebuffer size */ 1288 qdev->ddev.mode_config.min_width = 0; 1289 qdev->ddev.mode_config.min_height = 0; 1290 qdev->ddev.mode_config.max_width = 8192; 1291 qdev->ddev.mode_config.max_height = 8192; 1292 1293 drm_mode_create_suggested_offset_properties(&qdev->ddev); 1294 qxl_mode_create_hotplug_mode_update_property(qdev); 1295 1296 for (i = 0 ; i < qxl_num_crtc; ++i) { 1297 qdev_crtc_init(&qdev->ddev, i); 1298 qdev_output_init(&qdev->ddev, i); 1299 } 1300 1301 qxl_display_read_client_monitors_config(qdev); 1302 1303 ret = drm_vblank_init(&qdev->ddev, qxl_num_crtc); 1304 if (ret) 1305 return ret; 1306 1307 drm_mode_config_reset(&qdev->ddev); 1308 return 0; 1309 } 1310 1311 void qxl_modeset_fini(struct qxl_device *qdev) 1312 { 1313 if (qdev->dumb_shadow_bo) { 1314 qxl_bo_unpin(qdev->dumb_shadow_bo); 1315 drm_gem_object_put(&qdev->dumb_shadow_bo->tbo.base); 1316 qdev->dumb_shadow_bo = NULL; 1317 } 1318 qxl_destroy_monitors_object(qdev); 1319 } 1320