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( 62 struct_size(qdev->client_monitors_config, 63 heads, count), GFP_KERNEL); 64 if (!qdev->client_monitors_config) 65 return -ENOMEM; 66 } 67 qdev->client_monitors_config->count = count; 68 return 0; 69 } 70 71 enum { 72 MONITORS_CONFIG_MODIFIED, 73 MONITORS_CONFIG_UNCHANGED, 74 MONITORS_CONFIG_BAD_CRC, 75 MONITORS_CONFIG_ERROR, 76 }; 77 78 static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev) 79 { 80 int i; 81 int num_monitors; 82 uint32_t crc; 83 int status = MONITORS_CONFIG_UNCHANGED; 84 85 num_monitors = qdev->rom->client_monitors_config.count; 86 crc = crc32(0, (const uint8_t *)&qdev->rom->client_monitors_config, 87 sizeof(qdev->rom->client_monitors_config)); 88 if (crc != qdev->rom->client_monitors_config_crc) 89 return MONITORS_CONFIG_BAD_CRC; 90 if (!num_monitors) { 91 DRM_DEBUG_KMS("no client monitors configured\n"); 92 return status; 93 } 94 if (num_monitors > qxl_num_crtc) { 95 DRM_DEBUG_KMS("client monitors list will be truncated: %d < %d\n", 96 qxl_num_crtc, num_monitors); 97 num_monitors = qxl_num_crtc; 98 } else { 99 num_monitors = qdev->rom->client_monitors_config.count; 100 } 101 if (qdev->client_monitors_config 102 && (num_monitors != qdev->client_monitors_config->count)) { 103 status = MONITORS_CONFIG_MODIFIED; 104 } 105 if (qxl_alloc_client_monitors_config(qdev, num_monitors)) { 106 status = MONITORS_CONFIG_ERROR; 107 return status; 108 } 109 /* we copy max from the client but it isn't used */ 110 qdev->client_monitors_config->max_allowed = qxl_num_crtc; 111 for (i = 0 ; i < qdev->client_monitors_config->count ; ++i) { 112 struct qxl_urect *c_rect = 113 &qdev->rom->client_monitors_config.heads[i]; 114 struct qxl_head *client_head = 115 &qdev->client_monitors_config->heads[i]; 116 if (client_head->x != c_rect->left) { 117 client_head->x = c_rect->left; 118 status = MONITORS_CONFIG_MODIFIED; 119 } 120 if (client_head->y != c_rect->top) { 121 client_head->y = c_rect->top; 122 status = MONITORS_CONFIG_MODIFIED; 123 } 124 if (client_head->width != c_rect->right - c_rect->left) { 125 client_head->width = c_rect->right - c_rect->left; 126 status = MONITORS_CONFIG_MODIFIED; 127 } 128 if (client_head->height != c_rect->bottom - c_rect->top) { 129 client_head->height = c_rect->bottom - c_rect->top; 130 status = MONITORS_CONFIG_MODIFIED; 131 } 132 if (client_head->surface_id != 0) { 133 client_head->surface_id = 0; 134 status = MONITORS_CONFIG_MODIFIED; 135 } 136 if (client_head->id != i) { 137 client_head->id = i; 138 status = MONITORS_CONFIG_MODIFIED; 139 } 140 if (client_head->flags != 0) { 141 client_head->flags = 0; 142 status = MONITORS_CONFIG_MODIFIED; 143 } 144 DRM_DEBUG_KMS("read %dx%d+%d+%d\n", client_head->width, client_head->height, 145 client_head->x, client_head->y); 146 } 147 148 return status; 149 } 150 151 static void qxl_update_offset_props(struct qxl_device *qdev) 152 { 153 struct drm_device *dev = &qdev->ddev; 154 struct drm_connector *connector; 155 struct qxl_output *output; 156 struct qxl_head *head; 157 158 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 159 output = drm_connector_to_qxl_output(connector); 160 161 head = &qdev->client_monitors_config->heads[output->index]; 162 163 drm_object_property_set_value(&connector->base, 164 dev->mode_config.suggested_x_property, head->x); 165 drm_object_property_set_value(&connector->base, 166 dev->mode_config.suggested_y_property, head->y); 167 } 168 } 169 170 void qxl_display_read_client_monitors_config(struct qxl_device *qdev) 171 { 172 struct drm_device *dev = &qdev->ddev; 173 struct drm_modeset_acquire_ctx ctx; 174 int status, retries, ret; 175 176 for (retries = 0; retries < 10; retries++) { 177 status = qxl_display_copy_rom_client_monitors_config(qdev); 178 if (status != MONITORS_CONFIG_BAD_CRC) 179 break; 180 udelay(5); 181 } 182 if (status == MONITORS_CONFIG_ERROR) { 183 DRM_DEBUG_KMS("ignoring client monitors config: error"); 184 return; 185 } 186 if (status == MONITORS_CONFIG_BAD_CRC) { 187 DRM_DEBUG_KMS("ignoring client monitors config: bad crc"); 188 return; 189 } 190 if (status == MONITORS_CONFIG_UNCHANGED) { 191 DRM_DEBUG_KMS("ignoring client monitors config: unchanged"); 192 return; 193 } 194 195 DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE, ret); 196 qxl_update_offset_props(qdev); 197 DRM_MODESET_LOCK_ALL_END(dev, ctx, ret); 198 if (!drm_helper_hpd_irq_event(dev)) { 199 /* notify that the monitor configuration changed, to 200 adjust at the arbitrary resolution */ 201 drm_kms_helper_hotplug_event(dev); 202 } 203 } 204 205 static int qxl_check_mode(struct qxl_device *qdev, 206 unsigned int width, 207 unsigned int height) 208 { 209 unsigned int stride; 210 unsigned int size; 211 212 if (check_mul_overflow(width, 4u, &stride)) 213 return -EINVAL; 214 if (check_mul_overflow(stride, height, &size)) 215 return -EINVAL; 216 if (size > qdev->vram_size) 217 return -ENOMEM; 218 return 0; 219 } 220 221 static int qxl_check_framebuffer(struct qxl_device *qdev, 222 struct qxl_bo *bo) 223 { 224 return qxl_check_mode(qdev, bo->surf.width, bo->surf.height); 225 } 226 227 static int qxl_add_mode(struct drm_connector *connector, 228 unsigned int width, 229 unsigned int height, 230 bool preferred) 231 { 232 struct drm_device *dev = connector->dev; 233 struct qxl_device *qdev = to_qxl(dev); 234 struct drm_display_mode *mode = NULL; 235 int rc; 236 237 rc = qxl_check_mode(qdev, width, height); 238 if (rc != 0) 239 return 0; 240 241 mode = drm_cvt_mode(dev, width, height, 60, false, false, false); 242 if (!mode) 243 return 0; 244 245 if (preferred) 246 mode->type |= DRM_MODE_TYPE_PREFERRED; 247 mode->hdisplay = width; 248 mode->vdisplay = height; 249 drm_mode_set_name(mode); 250 drm_mode_probed_add(connector, mode); 251 return 1; 252 } 253 254 static int qxl_add_monitors_config_modes(struct drm_connector *connector) 255 { 256 struct drm_device *dev = connector->dev; 257 struct qxl_device *qdev = to_qxl(dev); 258 struct qxl_output *output = drm_connector_to_qxl_output(connector); 259 int h = output->index; 260 struct qxl_head *head; 261 262 if (!qdev->monitors_config) 263 return 0; 264 if (h >= qxl_num_crtc) 265 return 0; 266 if (!qdev->client_monitors_config) 267 return 0; 268 if (h >= qdev->client_monitors_config->count) 269 return 0; 270 271 head = &qdev->client_monitors_config->heads[h]; 272 DRM_DEBUG_KMS("head %d is %dx%d\n", h, head->width, head->height); 273 274 return qxl_add_mode(connector, head->width, head->height, true); 275 } 276 277 static struct mode_size { 278 int w; 279 int h; 280 } extra_modes[] = { 281 { 720, 480}, 282 {1152, 768}, 283 {1280, 854}, 284 }; 285 286 static int qxl_add_extra_modes(struct drm_connector *connector) 287 { 288 int i, ret = 0; 289 290 for (i = 0; i < ARRAY_SIZE(extra_modes); i++) 291 ret += qxl_add_mode(connector, 292 extra_modes[i].w, 293 extra_modes[i].h, 294 false); 295 return ret; 296 } 297 298 static void qxl_send_monitors_config(struct qxl_device *qdev) 299 { 300 int i; 301 302 BUG_ON(!qdev->ram_header->monitors_config); 303 304 if (qdev->monitors_config->count == 0) 305 return; 306 307 for (i = 0 ; i < qdev->monitors_config->count ; ++i) { 308 struct qxl_head *head = &qdev->monitors_config->heads[i]; 309 310 if (head->y > 8192 || head->x > 8192 || 311 head->width > 8192 || head->height > 8192) { 312 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n", 313 i, head->width, head->height, 314 head->x, head->y); 315 return; 316 } 317 } 318 qxl_io_monitors_config(qdev); 319 } 320 321 static void qxl_crtc_update_monitors_config(struct drm_crtc *crtc, 322 const char *reason) 323 { 324 struct drm_device *dev = crtc->dev; 325 struct qxl_device *qdev = to_qxl(dev); 326 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 327 struct qxl_head head; 328 int oldcount, i = qcrtc->index; 329 330 if (!qdev->primary_bo) { 331 DRM_DEBUG_KMS("no primary surface, skip (%s)\n", reason); 332 return; 333 } 334 335 if (!qdev->monitors_config || qxl_num_crtc <= i) 336 return; 337 338 head.id = i; 339 head.flags = 0; 340 head.surface_id = 0; 341 oldcount = qdev->monitors_config->count; 342 if (crtc->state->active) { 343 struct drm_display_mode *mode = &crtc->mode; 344 345 head.width = mode->hdisplay; 346 head.height = mode->vdisplay; 347 head.x = crtc->x; 348 head.y = crtc->y; 349 if (qdev->monitors_config->count < i + 1) 350 qdev->monitors_config->count = i + 1; 351 if (qdev->primary_bo == qdev->dumb_shadow_bo) 352 head.x += qdev->dumb_heads[i].x; 353 } else if (i > 0) { 354 head.width = 0; 355 head.height = 0; 356 head.x = 0; 357 head.y = 0; 358 if (qdev->monitors_config->count == i + 1) 359 qdev->monitors_config->count = i; 360 } else { 361 DRM_DEBUG_KMS("inactive head 0, skip (%s)\n", reason); 362 return; 363 } 364 365 if (head.width == qdev->monitors_config->heads[i].width && 366 head.height == qdev->monitors_config->heads[i].height && 367 head.x == qdev->monitors_config->heads[i].x && 368 head.y == qdev->monitors_config->heads[i].y && 369 oldcount == qdev->monitors_config->count) 370 return; 371 372 DRM_DEBUG_KMS("head %d, %dx%d, at +%d+%d, %s (%s)\n", 373 i, head.width, head.height, head.x, head.y, 374 crtc->state->active ? "on" : "off", reason); 375 if (oldcount != qdev->monitors_config->count) 376 DRM_DEBUG_KMS("active heads %d -> %d (%d total)\n", 377 oldcount, qdev->monitors_config->count, 378 qxl_num_crtc); 379 380 qdev->monitors_config->heads[i] = head; 381 qdev->monitors_config->max_allowed = qxl_num_crtc; 382 qxl_send_monitors_config(qdev); 383 } 384 385 static void qxl_crtc_atomic_flush(struct drm_crtc *crtc, 386 struct drm_atomic_state *state) 387 { 388 struct drm_device *dev = crtc->dev; 389 struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, crtc); 390 struct drm_pending_vblank_event *event; 391 392 qxl_crtc_update_monitors_config(crtc, "flush"); 393 394 spin_lock_irq(&dev->event_lock); 395 396 event = crtc_state->event; 397 crtc_state->event = NULL; 398 399 if (event) { 400 if (drm_crtc_vblank_get(crtc) == 0) 401 drm_crtc_arm_vblank_event(crtc, event); 402 else 403 drm_crtc_send_vblank_event(crtc, event); 404 } 405 406 spin_unlock_irq(&dev->event_lock); 407 } 408 409 static void qxl_crtc_destroy(struct drm_crtc *crtc) 410 { 411 struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc); 412 413 qxl_bo_unref(&qxl_crtc->cursor_bo); 414 drm_crtc_cleanup(crtc); 415 kfree(qxl_crtc); 416 } 417 418 static const struct drm_crtc_funcs qxl_crtc_funcs = { 419 .set_config = drm_atomic_helper_set_config, 420 .destroy = qxl_crtc_destroy, 421 .page_flip = drm_atomic_helper_page_flip, 422 .reset = drm_atomic_helper_crtc_reset, 423 .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state, 424 .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state, 425 DRM_CRTC_VBLANK_TIMER_FUNCS, 426 }; 427 428 static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb, 429 struct drm_file *file_priv, 430 unsigned int flags, unsigned int color, 431 struct drm_clip_rect *clips, 432 unsigned int num_clips) 433 { 434 /* TODO: vmwgfx where this was cribbed from had locking. Why? */ 435 struct qxl_device *qdev = to_qxl(fb->dev); 436 struct drm_clip_rect norect; 437 struct qxl_bo *qobj; 438 struct drm_modeset_acquire_ctx ctx; 439 bool is_primary; 440 int inc = 1, ret; 441 442 DRM_MODESET_LOCK_ALL_BEGIN(fb->dev, ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE, ret); 443 444 qobj = gem_to_qxl_bo(fb->obj[0]); 445 /* if we aren't primary surface ignore this */ 446 is_primary = qobj->shadow ? qobj->shadow->is_primary : qobj->is_primary; 447 if (!is_primary) 448 goto out_lock_end; 449 450 if (!num_clips) { 451 num_clips = 1; 452 clips = &norect; 453 norect.x1 = norect.y1 = 0; 454 norect.x2 = fb->width; 455 norect.y2 = fb->height; 456 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) { 457 num_clips /= 2; 458 inc = 2; /* skip source rects */ 459 } 460 461 qxl_draw_dirty_fb(qdev, fb, qobj, flags, color, 462 clips, num_clips, inc, 0); 463 464 out_lock_end: 465 DRM_MODESET_LOCK_ALL_END(fb->dev, ctx, ret); 466 467 return 0; 468 } 469 470 static const struct drm_framebuffer_funcs qxl_fb_funcs = { 471 .destroy = drm_gem_fb_destroy, 472 .dirty = qxl_framebuffer_surface_dirty, 473 .create_handle = drm_gem_fb_create_handle, 474 }; 475 476 static void qxl_crtc_atomic_enable(struct drm_crtc *crtc, 477 struct drm_atomic_state *state) 478 { 479 qxl_crtc_update_monitors_config(crtc, "enable"); 480 481 drm_crtc_vblank_on(crtc); 482 } 483 484 static void qxl_crtc_atomic_disable(struct drm_crtc *crtc, 485 struct drm_atomic_state *state) 486 { 487 drm_crtc_vblank_off(crtc); 488 489 qxl_crtc_update_monitors_config(crtc, "disable"); 490 } 491 492 static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = { 493 .atomic_flush = qxl_crtc_atomic_flush, 494 .atomic_enable = qxl_crtc_atomic_enable, 495 .atomic_disable = qxl_crtc_atomic_disable, 496 }; 497 498 static int qxl_primary_atomic_check(struct drm_plane *plane, 499 struct drm_atomic_state *state) 500 { 501 struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, 502 plane); 503 struct qxl_device *qdev = to_qxl(plane->dev); 504 struct qxl_bo *bo; 505 506 if (!new_plane_state->crtc || !new_plane_state->fb) 507 return 0; 508 509 bo = gem_to_qxl_bo(new_plane_state->fb->obj[0]); 510 511 return qxl_check_framebuffer(qdev, bo); 512 } 513 514 static int qxl_primary_apply_cursor(struct qxl_device *qdev, 515 struct drm_plane_state *plane_state) 516 { 517 struct qxl_crtc *qcrtc = to_qxl_crtc(plane_state->crtc); 518 struct qxl_cursor_cmd *cmd; 519 struct qxl_release *release; 520 int ret = 0; 521 522 if (!qcrtc->cursor_bo) 523 return 0; 524 525 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), 526 QXL_RELEASE_CURSOR_CMD, 527 &release, NULL); 528 if (ret) 529 return ret; 530 531 ret = qxl_release_list_add(release, qcrtc->cursor_bo); 532 if (ret) 533 goto out_free_release; 534 535 ret = qxl_release_reserve_list(release, false); 536 if (ret) 537 goto out_free_release; 538 539 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 540 cmd->type = QXL_CURSOR_SET; 541 cmd->u.set.position.x = plane_state->crtc_x + plane_state->hotspot_x; 542 cmd->u.set.position.y = plane_state->crtc_y + plane_state->hotspot_y; 543 544 cmd->u.set.shape = qxl_bo_physical_address(qdev, qcrtc->cursor_bo, 0); 545 546 cmd->u.set.visible = 1; 547 qxl_release_unmap(qdev, release, &cmd->release_info); 548 549 qxl_release_fence_buffer_objects(release); 550 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 551 552 return ret; 553 554 out_free_release: 555 qxl_release_free(qdev, release); 556 return ret; 557 } 558 559 static int qxl_primary_move_cursor(struct qxl_device *qdev, 560 struct drm_plane_state *plane_state) 561 { 562 struct qxl_crtc *qcrtc = to_qxl_crtc(plane_state->crtc); 563 struct qxl_cursor_cmd *cmd; 564 struct qxl_release *release; 565 int ret = 0; 566 567 if (!qcrtc->cursor_bo) 568 return 0; 569 570 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), 571 QXL_RELEASE_CURSOR_CMD, 572 &release, NULL); 573 if (ret) 574 return ret; 575 576 ret = qxl_release_reserve_list(release, true); 577 if (ret) { 578 qxl_release_free(qdev, release); 579 return ret; 580 } 581 582 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 583 cmd->type = QXL_CURSOR_MOVE; 584 cmd->u.position.x = plane_state->crtc_x + plane_state->hotspot_x; 585 cmd->u.position.y = plane_state->crtc_y + plane_state->hotspot_y; 586 qxl_release_unmap(qdev, release, &cmd->release_info); 587 588 qxl_release_fence_buffer_objects(release); 589 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 590 return ret; 591 } 592 593 static struct qxl_bo *qxl_create_cursor(struct qxl_device *qdev, 594 struct qxl_bo *user_bo, 595 int hot_x, int hot_y) 596 { 597 static const u32 size = 64 * 64 * 4; 598 struct qxl_bo *cursor_bo; 599 struct iosys_map cursor_map; 600 struct iosys_map user_map; 601 struct qxl_cursor cursor; 602 int ret; 603 604 if (!user_bo) 605 return NULL; 606 607 ret = qxl_bo_create(qdev, sizeof(struct qxl_cursor) + size, 608 false, true, QXL_GEM_DOMAIN_VRAM, 1, 609 NULL, &cursor_bo); 610 if (ret) 611 goto err; 612 613 ret = qxl_bo_pin_and_vmap(cursor_bo, &cursor_map); 614 if (ret) 615 goto err_unref; 616 617 ret = qxl_bo_pin_and_vmap(user_bo, &user_map); 618 if (ret) 619 goto err_unmap; 620 621 cursor.header.unique = 0; 622 cursor.header.type = SPICE_CURSOR_TYPE_ALPHA; 623 cursor.header.width = 64; 624 cursor.header.height = 64; 625 cursor.header.hot_spot_x = hot_x; 626 cursor.header.hot_spot_y = hot_y; 627 cursor.data_size = size; 628 cursor.chunk.next_chunk = 0; 629 cursor.chunk.prev_chunk = 0; 630 cursor.chunk.data_size = size; 631 if (cursor_map.is_iomem) { 632 memcpy_toio(cursor_map.vaddr_iomem, 633 &cursor, sizeof(cursor)); 634 memcpy_toio(cursor_map.vaddr_iomem + sizeof(cursor), 635 user_map.vaddr, size); 636 } else { 637 memcpy(cursor_map.vaddr, 638 &cursor, sizeof(cursor)); 639 memcpy(cursor_map.vaddr + sizeof(cursor), 640 user_map.vaddr, size); 641 } 642 643 qxl_bo_vunmap_and_unpin(user_bo); 644 qxl_bo_vunmap_and_unpin(cursor_bo); 645 return cursor_bo; 646 647 err_unmap: 648 qxl_bo_vunmap_and_unpin(cursor_bo); 649 err_unref: 650 qxl_bo_unpin(cursor_bo); 651 qxl_bo_unref(&cursor_bo); 652 err: 653 return NULL; 654 } 655 656 static void qxl_free_cursor(struct qxl_bo *cursor_bo) 657 { 658 if (!cursor_bo) 659 return; 660 661 qxl_bo_unpin(cursor_bo); 662 qxl_bo_unref(&cursor_bo); 663 } 664 665 static void qxl_primary_atomic_update(struct drm_plane *plane, 666 struct drm_atomic_state *state) 667 { 668 struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, 669 plane); 670 struct qxl_device *qdev = to_qxl(plane->dev); 671 struct qxl_bo *bo = gem_to_qxl_bo(new_state->fb->obj[0]); 672 struct qxl_bo *primary; 673 struct drm_clip_rect norect = { 674 .x1 = 0, 675 .y1 = 0, 676 .x2 = new_state->fb->width, 677 .y2 = new_state->fb->height 678 }; 679 uint32_t dumb_shadow_offset = 0; 680 681 primary = bo->shadow ? bo->shadow : bo; 682 683 if (!primary->is_primary) { 684 if (qdev->primary_bo) 685 qxl_io_destroy_primary(qdev); 686 qxl_io_create_primary(qdev, primary); 687 qxl_primary_apply_cursor(qdev, plane->state); 688 } 689 690 if (bo->is_dumb) 691 dumb_shadow_offset = 692 qdev->dumb_heads[new_state->crtc->index].x; 693 694 qxl_draw_dirty_fb(qdev, new_state->fb, bo, 0, 0, &norect, 1, 1, 695 dumb_shadow_offset); 696 } 697 698 static void qxl_primary_atomic_disable(struct drm_plane *plane, 699 struct drm_atomic_state *state) 700 { 701 struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, 702 plane); 703 struct qxl_device *qdev = to_qxl(plane->dev); 704 705 if (old_state->fb) { 706 struct qxl_bo *bo = gem_to_qxl_bo(old_state->fb->obj[0]); 707 708 if (bo->shadow) 709 bo = bo->shadow; 710 if (bo->is_primary) 711 qxl_io_destroy_primary(qdev); 712 } 713 } 714 715 static void qxl_cursor_atomic_update(struct drm_plane *plane, 716 struct drm_atomic_state *state) 717 { 718 struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, 719 plane); 720 struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, 721 plane); 722 struct qxl_device *qdev = to_qxl(plane->dev); 723 struct drm_framebuffer *fb = new_state->fb; 724 725 if (fb != old_state->fb) { 726 qxl_primary_apply_cursor(qdev, new_state); 727 } else { 728 qxl_primary_move_cursor(qdev, new_state); 729 } 730 } 731 732 static void qxl_cursor_atomic_disable(struct drm_plane *plane, 733 struct drm_atomic_state *state) 734 { 735 struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, 736 plane); 737 struct qxl_device *qdev = to_qxl(plane->dev); 738 struct qxl_crtc *qcrtc; 739 struct qxl_release *release; 740 struct qxl_cursor_cmd *cmd; 741 int ret; 742 743 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), 744 QXL_RELEASE_CURSOR_CMD, 745 &release, NULL); 746 if (ret) 747 return; 748 749 ret = qxl_release_reserve_list(release, true); 750 if (ret) { 751 qxl_release_free(qdev, release); 752 return; 753 } 754 755 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 756 cmd->type = QXL_CURSOR_HIDE; 757 qxl_release_unmap(qdev, release, &cmd->release_info); 758 759 qxl_release_fence_buffer_objects(release); 760 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 761 762 qcrtc = to_qxl_crtc(old_state->crtc); 763 qxl_free_cursor(qcrtc->cursor_bo); 764 qcrtc->cursor_bo = NULL; 765 } 766 767 static void qxl_update_dumb_head(struct qxl_device *qdev, 768 int index, struct qxl_bo *bo) 769 { 770 uint32_t width, height; 771 772 if (index >= qdev->monitors_config->max_allowed) 773 return; 774 775 if (bo && bo->is_dumb) { 776 width = bo->surf.width; 777 height = bo->surf.height; 778 } else { 779 width = 0; 780 height = 0; 781 } 782 783 if (qdev->dumb_heads[index].width == width && 784 qdev->dumb_heads[index].height == height) 785 return; 786 787 DRM_DEBUG("#%d: %dx%d -> %dx%d\n", index, 788 qdev->dumb_heads[index].width, 789 qdev->dumb_heads[index].height, 790 width, height); 791 qdev->dumb_heads[index].width = width; 792 qdev->dumb_heads[index].height = height; 793 } 794 795 static void qxl_calc_dumb_shadow(struct qxl_device *qdev, 796 struct qxl_surface *surf) 797 { 798 struct qxl_head *head; 799 int i; 800 801 memset(surf, 0, sizeof(*surf)); 802 for (i = 0; i < qdev->monitors_config->max_allowed; i++) { 803 head = qdev->dumb_heads + i; 804 head->x = surf->width; 805 surf->width += head->width; 806 if (surf->height < head->height) 807 surf->height = head->height; 808 } 809 if (surf->width < 64) 810 surf->width = 64; 811 if (surf->height < 64) 812 surf->height = 64; 813 surf->format = SPICE_SURFACE_FMT_32_xRGB; 814 surf->stride = surf->width * 4; 815 816 if (!qdev->dumb_shadow_bo || 817 qdev->dumb_shadow_bo->surf.width != surf->width || 818 qdev->dumb_shadow_bo->surf.height != surf->height) 819 DRM_DEBUG("%dx%d\n", surf->width, surf->height); 820 } 821 822 static void qxl_prepare_shadow(struct qxl_device *qdev, struct qxl_bo *user_bo, 823 int crtc_index) 824 { 825 struct qxl_surface surf; 826 827 qxl_update_dumb_head(qdev, crtc_index, 828 user_bo); 829 qxl_calc_dumb_shadow(qdev, &surf); 830 if (!qdev->dumb_shadow_bo || 831 qdev->dumb_shadow_bo->surf.width != surf.width || 832 qdev->dumb_shadow_bo->surf.height != surf.height) { 833 if (qdev->dumb_shadow_bo) { 834 qxl_bo_unpin(qdev->dumb_shadow_bo); 835 drm_gem_object_put 836 (&qdev->dumb_shadow_bo->tbo.base); 837 qdev->dumb_shadow_bo = NULL; 838 } 839 qxl_bo_create(qdev, surf.height * surf.stride, 840 true, true, QXL_GEM_DOMAIN_SURFACE, 0, 841 &surf, &qdev->dumb_shadow_bo); 842 } 843 if (user_bo->shadow != qdev->dumb_shadow_bo) { 844 if (user_bo->shadow) { 845 qxl_bo_unpin(user_bo->shadow); 846 drm_gem_object_put 847 (&user_bo->shadow->tbo.base); 848 user_bo->shadow = NULL; 849 } 850 drm_gem_object_get(&qdev->dumb_shadow_bo->tbo.base); 851 user_bo->shadow = qdev->dumb_shadow_bo; 852 qxl_bo_pin(user_bo->shadow); 853 } 854 } 855 856 static int qxl_plane_prepare_fb(struct drm_plane *plane, 857 struct drm_plane_state *new_state) 858 { 859 struct qxl_device *qdev = to_qxl(plane->dev); 860 struct drm_gem_object *obj; 861 struct qxl_bo *user_bo; 862 int ret; 863 864 if (!new_state->fb) 865 return 0; 866 867 obj = new_state->fb->obj[0]; 868 user_bo = gem_to_qxl_bo(obj); 869 870 if (plane->type == DRM_PLANE_TYPE_PRIMARY && 871 user_bo->is_dumb) { 872 qxl_prepare_shadow(qdev, user_bo, new_state->crtc->index); 873 } 874 875 if (plane->type == DRM_PLANE_TYPE_CURSOR && 876 plane->state->fb != new_state->fb) { 877 struct qxl_crtc *qcrtc = to_qxl_crtc(new_state->crtc); 878 struct qxl_bo *old_cursor_bo = qcrtc->cursor_bo; 879 880 qcrtc->cursor_bo = qxl_create_cursor(qdev, user_bo, 881 new_state->hotspot_x, 882 new_state->hotspot_y); 883 qxl_free_cursor(old_cursor_bo); 884 } 885 886 ret = qxl_bo_pin(user_bo); 887 if (ret) 888 return ret; 889 890 return drm_gem_plane_helper_prepare_fb(plane, new_state); 891 } 892 893 static void qxl_plane_cleanup_fb(struct drm_plane *plane, 894 struct drm_plane_state *old_state) 895 { 896 struct drm_gem_object *obj; 897 struct qxl_bo *user_bo; 898 899 if (!old_state->fb) { 900 /* 901 * we never executed prepare_fb, so there's nothing to 902 * unpin. 903 */ 904 return; 905 } 906 907 obj = old_state->fb->obj[0]; 908 user_bo = gem_to_qxl_bo(obj); 909 qxl_bo_unpin(user_bo); 910 911 if (old_state->fb != plane->state->fb && user_bo->shadow) { 912 qxl_bo_unpin(user_bo->shadow); 913 drm_gem_object_put(&user_bo->shadow->tbo.base); 914 user_bo->shadow = NULL; 915 } 916 } 917 918 static const uint32_t qxl_cursor_plane_formats[] = { 919 DRM_FORMAT_ARGB8888, 920 }; 921 922 static const struct drm_plane_helper_funcs qxl_cursor_helper_funcs = { 923 .atomic_update = qxl_cursor_atomic_update, 924 .atomic_disable = qxl_cursor_atomic_disable, 925 .prepare_fb = qxl_plane_prepare_fb, 926 .cleanup_fb = qxl_plane_cleanup_fb, 927 }; 928 929 static const struct drm_plane_funcs qxl_cursor_plane_funcs = { 930 .update_plane = drm_atomic_helper_update_plane, 931 .disable_plane = drm_atomic_helper_disable_plane, 932 .destroy = drm_plane_helper_destroy, 933 .reset = drm_atomic_helper_plane_reset, 934 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 935 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 936 }; 937 938 static const uint32_t qxl_primary_plane_formats[] = { 939 DRM_FORMAT_XRGB8888, 940 DRM_FORMAT_ARGB8888, 941 }; 942 943 static const struct drm_plane_helper_funcs primary_helper_funcs = { 944 .atomic_check = qxl_primary_atomic_check, 945 .atomic_update = qxl_primary_atomic_update, 946 .atomic_disable = qxl_primary_atomic_disable, 947 .prepare_fb = qxl_plane_prepare_fb, 948 .cleanup_fb = qxl_plane_cleanup_fb, 949 }; 950 951 static const struct drm_plane_funcs qxl_primary_plane_funcs = { 952 .update_plane = drm_atomic_helper_update_plane, 953 .disable_plane = drm_atomic_helper_disable_plane, 954 .destroy = drm_plane_helper_destroy, 955 .reset = drm_atomic_helper_plane_reset, 956 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 957 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 958 }; 959 960 static struct drm_plane *qxl_create_plane(struct qxl_device *qdev, 961 unsigned int possible_crtcs, 962 enum drm_plane_type type) 963 { 964 const struct drm_plane_helper_funcs *helper_funcs = NULL; 965 struct drm_plane *plane; 966 const struct drm_plane_funcs *funcs; 967 const uint32_t *formats; 968 int num_formats; 969 int err; 970 971 if (type == DRM_PLANE_TYPE_PRIMARY) { 972 funcs = &qxl_primary_plane_funcs; 973 formats = qxl_primary_plane_formats; 974 num_formats = ARRAY_SIZE(qxl_primary_plane_formats); 975 helper_funcs = &primary_helper_funcs; 976 } else if (type == DRM_PLANE_TYPE_CURSOR) { 977 funcs = &qxl_cursor_plane_funcs; 978 formats = qxl_cursor_plane_formats; 979 helper_funcs = &qxl_cursor_helper_funcs; 980 num_formats = ARRAY_SIZE(qxl_cursor_plane_formats); 981 } else { 982 return ERR_PTR(-EINVAL); 983 } 984 985 plane = kzalloc(sizeof(*plane), GFP_KERNEL); 986 if (!plane) 987 return ERR_PTR(-ENOMEM); 988 989 err = drm_universal_plane_init(&qdev->ddev, plane, possible_crtcs, 990 funcs, formats, num_formats, 991 NULL, type, NULL); 992 if (err) 993 goto free_plane; 994 995 drm_plane_helper_add(plane, helper_funcs); 996 997 return plane; 998 999 free_plane: 1000 kfree(plane); 1001 return ERR_PTR(-EINVAL); 1002 } 1003 1004 static int qdev_crtc_init(struct drm_device *dev, int crtc_id) 1005 { 1006 struct qxl_crtc *qxl_crtc; 1007 struct drm_plane *primary, *cursor; 1008 struct qxl_device *qdev = to_qxl(dev); 1009 int r; 1010 1011 qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL); 1012 if (!qxl_crtc) 1013 return -ENOMEM; 1014 1015 primary = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_PRIMARY); 1016 if (IS_ERR(primary)) { 1017 r = -ENOMEM; 1018 goto free_mem; 1019 } 1020 1021 cursor = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_CURSOR); 1022 if (IS_ERR(cursor)) { 1023 r = -ENOMEM; 1024 goto clean_primary; 1025 } 1026 1027 r = drm_crtc_init_with_planes(dev, &qxl_crtc->base, primary, cursor, 1028 &qxl_crtc_funcs, NULL); 1029 if (r) 1030 goto clean_cursor; 1031 1032 qxl_crtc->index = crtc_id; 1033 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs); 1034 return 0; 1035 1036 clean_cursor: 1037 drm_plane_cleanup(cursor); 1038 kfree(cursor); 1039 clean_primary: 1040 drm_plane_cleanup(primary); 1041 kfree(primary); 1042 free_mem: 1043 kfree(qxl_crtc); 1044 return r; 1045 } 1046 1047 static int qxl_conn_get_modes(struct drm_connector *connector) 1048 { 1049 struct drm_device *dev = connector->dev; 1050 struct qxl_device *qdev = to_qxl(dev); 1051 struct qxl_output *output = drm_connector_to_qxl_output(connector); 1052 unsigned int pwidth = 1024; 1053 unsigned int pheight = 768; 1054 int ret = 0; 1055 1056 if (qdev->client_monitors_config) { 1057 struct qxl_head *head; 1058 head = &qdev->client_monitors_config->heads[output->index]; 1059 if (head->width) 1060 pwidth = head->width; 1061 if (head->height) 1062 pheight = head->height; 1063 } 1064 1065 ret += drm_add_modes_noedid(connector, 8192, 8192); 1066 ret += qxl_add_extra_modes(connector); 1067 ret += qxl_add_monitors_config_modes(connector); 1068 drm_set_preferred_mode(connector, pwidth, pheight); 1069 return ret; 1070 } 1071 1072 static enum drm_mode_status qxl_conn_mode_valid(struct drm_connector *connector, 1073 const struct drm_display_mode *mode) 1074 { 1075 struct drm_device *ddev = connector->dev; 1076 struct qxl_device *qdev = to_qxl(ddev); 1077 1078 if (qxl_check_mode(qdev, mode->hdisplay, mode->vdisplay) != 0) 1079 return MODE_BAD; 1080 1081 return MODE_OK; 1082 } 1083 1084 static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector) 1085 { 1086 struct qxl_output *qxl_output = 1087 drm_connector_to_qxl_output(connector); 1088 1089 DRM_DEBUG("\n"); 1090 return &qxl_output->enc; 1091 } 1092 1093 static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = { 1094 .get_modes = qxl_conn_get_modes, 1095 .mode_valid = qxl_conn_mode_valid, 1096 .best_encoder = qxl_best_encoder, 1097 }; 1098 1099 static enum drm_connector_status qxl_conn_detect( 1100 struct drm_connector *connector, 1101 bool force) 1102 { 1103 struct qxl_output *output = 1104 drm_connector_to_qxl_output(connector); 1105 struct drm_device *ddev = connector->dev; 1106 struct qxl_device *qdev = to_qxl(ddev); 1107 bool connected = false; 1108 1109 /* The first monitor is always connected */ 1110 if (!qdev->client_monitors_config) { 1111 if (output->index == 0) 1112 connected = true; 1113 } else 1114 connected = qdev->client_monitors_config->count > output->index && 1115 qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]); 1116 1117 DRM_DEBUG("#%d connected: %d\n", output->index, connected); 1118 1119 return connected ? connector_status_connected 1120 : connector_status_disconnected; 1121 } 1122 1123 static void qxl_conn_destroy(struct drm_connector *connector) 1124 { 1125 struct qxl_output *qxl_output = 1126 drm_connector_to_qxl_output(connector); 1127 1128 drm_connector_unregister(connector); 1129 drm_connector_cleanup(connector); 1130 kfree(qxl_output); 1131 } 1132 1133 static const struct drm_connector_funcs qxl_connector_funcs = { 1134 .detect = qxl_conn_detect, 1135 .fill_modes = drm_helper_probe_single_connector_modes, 1136 .destroy = qxl_conn_destroy, 1137 .reset = drm_atomic_helper_connector_reset, 1138 .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, 1139 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, 1140 }; 1141 1142 static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev) 1143 { 1144 if (qdev->hotplug_mode_update_property) 1145 return 0; 1146 1147 qdev->hotplug_mode_update_property = 1148 drm_property_create_range(&qdev->ddev, DRM_MODE_PROP_IMMUTABLE, 1149 "hotplug_mode_update", 0, 1); 1150 1151 return 0; 1152 } 1153 1154 static int qdev_output_init(struct drm_device *dev, int num_output) 1155 { 1156 struct qxl_device *qdev = to_qxl(dev); 1157 struct qxl_output *qxl_output; 1158 struct drm_connector *connector; 1159 struct drm_encoder *encoder; 1160 int ret; 1161 1162 qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL); 1163 if (!qxl_output) 1164 return -ENOMEM; 1165 1166 qxl_output->index = num_output; 1167 1168 connector = &qxl_output->base; 1169 encoder = &qxl_output->enc; 1170 drm_connector_init(dev, &qxl_output->base, 1171 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL); 1172 1173 ret = drm_simple_encoder_init(dev, &qxl_output->enc, 1174 DRM_MODE_ENCODER_VIRTUAL); 1175 if (ret) { 1176 drm_err(dev, "drm_simple_encoder_init() failed, error %d\n", 1177 ret); 1178 goto err_drm_connector_cleanup; 1179 } 1180 1181 /* we get HPD via client monitors config */ 1182 connector->polled = DRM_CONNECTOR_POLL_HPD; 1183 encoder->possible_crtcs = 1 << num_output; 1184 drm_connector_attach_encoder(&qxl_output->base, 1185 &qxl_output->enc); 1186 drm_connector_helper_add(connector, &qxl_connector_helper_funcs); 1187 1188 drm_object_attach_property(&connector->base, 1189 qdev->hotplug_mode_update_property, 0); 1190 drm_object_attach_property(&connector->base, 1191 dev->mode_config.suggested_x_property, 0); 1192 drm_object_attach_property(&connector->base, 1193 dev->mode_config.suggested_y_property, 0); 1194 return 0; 1195 1196 err_drm_connector_cleanup: 1197 drm_connector_cleanup(&qxl_output->base); 1198 kfree(qxl_output); 1199 return ret; 1200 } 1201 1202 static struct drm_framebuffer * 1203 qxl_user_framebuffer_create(struct drm_device *dev, 1204 struct drm_file *file_priv, 1205 const struct drm_format_info *info, 1206 const struct drm_mode_fb_cmd2 *mode_cmd) 1207 { 1208 return drm_gem_fb_create_with_funcs(dev, file_priv, info, mode_cmd, 1209 &qxl_fb_funcs); 1210 } 1211 1212 static const struct drm_mode_config_funcs qxl_mode_funcs = { 1213 .fb_create = qxl_user_framebuffer_create, 1214 .atomic_check = drm_atomic_helper_check, 1215 .atomic_commit = drm_atomic_helper_commit, 1216 }; 1217 1218 int qxl_create_monitors_object(struct qxl_device *qdev) 1219 { 1220 int ret; 1221 struct drm_gem_object *gobj; 1222 struct iosys_map map; 1223 int monitors_config_size = sizeof(struct qxl_monitors_config) + 1224 qxl_num_crtc * sizeof(struct qxl_head); 1225 1226 ret = qxl_gem_object_create(qdev, monitors_config_size, 0, 1227 QXL_GEM_DOMAIN_VRAM, 1228 false, false, NULL, &gobj); 1229 if (ret) { 1230 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret); 1231 return -ENOMEM; 1232 } 1233 qdev->monitors_config_bo = gem_to_qxl_bo(gobj); 1234 1235 ret = qxl_bo_pin_and_vmap(qdev->monitors_config_bo, &map); 1236 if (ret) 1237 return ret; 1238 1239 qdev->monitors_config = qdev->monitors_config_bo->kptr; 1240 qdev->ram_header->monitors_config = 1241 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0); 1242 1243 memset(qdev->monitors_config, 0, monitors_config_size); 1244 qdev->dumb_heads = kcalloc(qxl_num_crtc, sizeof(qdev->dumb_heads[0]), 1245 GFP_KERNEL); 1246 if (!qdev->dumb_heads) { 1247 qxl_destroy_monitors_object(qdev); 1248 return -ENOMEM; 1249 } 1250 return 0; 1251 } 1252 1253 int qxl_destroy_monitors_object(struct qxl_device *qdev) 1254 { 1255 int ret; 1256 1257 if (!qdev->monitors_config_bo) 1258 return 0; 1259 1260 kfree(qdev->dumb_heads); 1261 qdev->dumb_heads = NULL; 1262 1263 qdev->monitors_config = NULL; 1264 qdev->ram_header->monitors_config = 0; 1265 1266 ret = qxl_bo_vunmap_and_unpin(qdev->monitors_config_bo); 1267 if (ret) 1268 return ret; 1269 1270 qxl_bo_unref(&qdev->monitors_config_bo); 1271 return 0; 1272 } 1273 1274 int qxl_modeset_init(struct qxl_device *qdev) 1275 { 1276 int i; 1277 int ret; 1278 1279 ret = drmm_mode_config_init(&qdev->ddev); 1280 if (ret) 1281 return ret; 1282 1283 ret = qxl_create_monitors_object(qdev); 1284 if (ret) 1285 return ret; 1286 1287 qdev->ddev.mode_config.funcs = (void *)&qxl_mode_funcs; 1288 1289 /* modes will be validated against the framebuffer size */ 1290 qdev->ddev.mode_config.min_width = 0; 1291 qdev->ddev.mode_config.min_height = 0; 1292 qdev->ddev.mode_config.max_width = 8192; 1293 qdev->ddev.mode_config.max_height = 8192; 1294 1295 drm_mode_create_suggested_offset_properties(&qdev->ddev); 1296 qxl_mode_create_hotplug_mode_update_property(qdev); 1297 1298 for (i = 0 ; i < qxl_num_crtc; ++i) { 1299 qdev_crtc_init(&qdev->ddev, i); 1300 qdev_output_init(&qdev->ddev, i); 1301 } 1302 1303 qxl_display_read_client_monitors_config(qdev); 1304 1305 ret = drm_vblank_init(&qdev->ddev, qxl_num_crtc); 1306 if (ret) 1307 return ret; 1308 1309 drm_mode_config_reset(&qdev->ddev); 1310 return 0; 1311 } 1312 1313 void qxl_modeset_fini(struct qxl_device *qdev) 1314 { 1315 if (qdev->dumb_shadow_bo) { 1316 qxl_bo_unpin(qdev->dumb_shadow_bo); 1317 drm_gem_object_put(&qdev->dumb_shadow_bo->tbo.base); 1318 qdev->dumb_shadow_bo = NULL; 1319 } 1320 qxl_destroy_monitors_object(qdev); 1321 } 1322