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 27 #include <linux/crc32.h> 28 29 #include "qxl_drv.h" 30 #include "qxl_object.h" 31 #include "drm_crtc_helper.h" 32 #include <drm/drm_plane_helper.h> 33 34 static bool qxl_head_enabled(struct qxl_head *head) 35 { 36 return head->width && head->height; 37 } 38 39 void qxl_alloc_client_monitors_config(struct qxl_device *qdev, unsigned count) 40 { 41 if (qdev->client_monitors_config && 42 count > qdev->client_monitors_config->count) { 43 kfree(qdev->client_monitors_config); 44 qdev->client_monitors_config = NULL; 45 } 46 if (!qdev->client_monitors_config) { 47 qdev->client_monitors_config = kzalloc( 48 sizeof(struct qxl_monitors_config) + 49 sizeof(struct qxl_head) * count, GFP_KERNEL); 50 if (!qdev->client_monitors_config) { 51 qxl_io_log(qdev, 52 "%s: allocation failure for %u heads\n", 53 __func__, count); 54 return; 55 } 56 } 57 qdev->client_monitors_config->count = count; 58 } 59 60 static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev) 61 { 62 int i; 63 int num_monitors; 64 uint32_t crc; 65 66 num_monitors = qdev->rom->client_monitors_config.count; 67 crc = crc32(0, (const uint8_t *)&qdev->rom->client_monitors_config, 68 sizeof(qdev->rom->client_monitors_config)); 69 if (crc != qdev->rom->client_monitors_config_crc) { 70 qxl_io_log(qdev, "crc mismatch: have %X (%zd) != %X\n", crc, 71 sizeof(qdev->rom->client_monitors_config), 72 qdev->rom->client_monitors_config_crc); 73 return 1; 74 } 75 if (num_monitors > qdev->monitors_config->max_allowed) { 76 DRM_DEBUG_KMS("client monitors list will be truncated: %d < %d\n", 77 qdev->monitors_config->max_allowed, num_monitors); 78 num_monitors = qdev->monitors_config->max_allowed; 79 } else { 80 num_monitors = qdev->rom->client_monitors_config.count; 81 } 82 qxl_alloc_client_monitors_config(qdev, num_monitors); 83 /* we copy max from the client but it isn't used */ 84 qdev->client_monitors_config->max_allowed = 85 qdev->monitors_config->max_allowed; 86 for (i = 0 ; i < qdev->client_monitors_config->count ; ++i) { 87 struct qxl_urect *c_rect = 88 &qdev->rom->client_monitors_config.heads[i]; 89 struct qxl_head *client_head = 90 &qdev->client_monitors_config->heads[i]; 91 client_head->x = c_rect->left; 92 client_head->y = c_rect->top; 93 client_head->width = c_rect->right - c_rect->left; 94 client_head->height = c_rect->bottom - c_rect->top; 95 client_head->surface_id = 0; 96 client_head->id = i; 97 client_head->flags = 0; 98 DRM_DEBUG_KMS("read %dx%d+%d+%d\n", client_head->width, client_head->height, 99 client_head->x, client_head->y); 100 } 101 return 0; 102 } 103 104 static void qxl_update_offset_props(struct qxl_device *qdev) 105 { 106 struct drm_device *dev = qdev->ddev; 107 struct drm_connector *connector; 108 struct qxl_output *output; 109 struct qxl_head *head; 110 111 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 112 output = drm_connector_to_qxl_output(connector); 113 114 head = &qdev->client_monitors_config->heads[output->index]; 115 116 drm_object_property_set_value(&connector->base, 117 dev->mode_config.suggested_x_property, head->x); 118 drm_object_property_set_value(&connector->base, 119 dev->mode_config.suggested_y_property, head->y); 120 } 121 } 122 123 void qxl_display_read_client_monitors_config(struct qxl_device *qdev) 124 { 125 126 struct drm_device *dev = qdev->ddev; 127 while (qxl_display_copy_rom_client_monitors_config(qdev)) { 128 qxl_io_log(qdev, "failed crc check for client_monitors_config," 129 " retrying\n"); 130 } 131 132 drm_modeset_lock_all(dev); 133 qxl_update_offset_props(qdev); 134 drm_modeset_unlock_all(dev); 135 if (!drm_helper_hpd_irq_event(qdev->ddev)) { 136 /* notify that the monitor configuration changed, to 137 adjust at the arbitrary resolution */ 138 drm_kms_helper_hotplug_event(qdev->ddev); 139 } 140 } 141 142 static int qxl_add_monitors_config_modes(struct drm_connector *connector, 143 unsigned *pwidth, 144 unsigned *pheight) 145 { 146 struct drm_device *dev = connector->dev; 147 struct qxl_device *qdev = dev->dev_private; 148 struct qxl_output *output = drm_connector_to_qxl_output(connector); 149 int h = output->index; 150 struct drm_display_mode *mode = NULL; 151 struct qxl_head *head; 152 153 if (!qdev->client_monitors_config) 154 return 0; 155 head = &qdev->client_monitors_config->heads[h]; 156 157 mode = drm_cvt_mode(dev, head->width, head->height, 60, false, false, 158 false); 159 mode->type |= DRM_MODE_TYPE_PREFERRED; 160 *pwidth = head->width; 161 *pheight = head->height; 162 drm_mode_probed_add(connector, mode); 163 /* remember the last custom size for mode validation */ 164 qdev->monitors_config_width = mode->hdisplay; 165 qdev->monitors_config_height = mode->vdisplay; 166 return 1; 167 } 168 169 static struct mode_size { 170 int w; 171 int h; 172 } common_modes[] = { 173 { 640, 480}, 174 { 720, 480}, 175 { 800, 600}, 176 { 848, 480}, 177 {1024, 768}, 178 {1152, 768}, 179 {1280, 720}, 180 {1280, 800}, 181 {1280, 854}, 182 {1280, 960}, 183 {1280, 1024}, 184 {1440, 900}, 185 {1400, 1050}, 186 {1680, 1050}, 187 {1600, 1200}, 188 {1920, 1080}, 189 {1920, 1200} 190 }; 191 192 static int qxl_add_common_modes(struct drm_connector *connector, 193 unsigned pwidth, 194 unsigned pheight) 195 { 196 struct drm_device *dev = connector->dev; 197 struct drm_display_mode *mode = NULL; 198 int i; 199 for (i = 0; i < ARRAY_SIZE(common_modes); i++) { 200 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 201 60, false, false, false); 202 if (common_modes[i].w == pwidth && common_modes[i].h == pheight) 203 mode->type |= DRM_MODE_TYPE_PREFERRED; 204 drm_mode_probed_add(connector, mode); 205 } 206 return i - 1; 207 } 208 209 static void qxl_crtc_destroy(struct drm_crtc *crtc) 210 { 211 struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc); 212 213 drm_crtc_cleanup(crtc); 214 kfree(qxl_crtc); 215 } 216 217 static int qxl_crtc_page_flip(struct drm_crtc *crtc, 218 struct drm_framebuffer *fb, 219 struct drm_pending_vblank_event *event, 220 uint32_t page_flip_flags) 221 { 222 struct drm_device *dev = crtc->dev; 223 struct qxl_device *qdev = dev->dev_private; 224 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 225 struct qxl_framebuffer *qfb_src = to_qxl_framebuffer(fb); 226 struct qxl_framebuffer *qfb_old = to_qxl_framebuffer(crtc->primary->fb); 227 struct qxl_bo *bo_old = gem_to_qxl_bo(qfb_old->obj); 228 struct qxl_bo *bo = gem_to_qxl_bo(qfb_src->obj); 229 unsigned long flags; 230 struct drm_clip_rect norect = { 231 .x1 = 0, 232 .y1 = 0, 233 .x2 = fb->width, 234 .y2 = fb->height 235 }; 236 int inc = 1; 237 int one_clip_rect = 1; 238 int ret = 0; 239 240 crtc->primary->fb = fb; 241 bo_old->is_primary = false; 242 bo->is_primary = true; 243 244 ret = qxl_bo_reserve(bo, false); 245 if (ret) 246 return ret; 247 ret = qxl_bo_pin(bo, bo->type, NULL); 248 qxl_bo_unreserve(bo); 249 if (ret) 250 return ret; 251 252 qxl_draw_dirty_fb(qdev, qfb_src, bo, 0, 0, 253 &norect, one_clip_rect, inc); 254 255 drm_vblank_get(dev, qcrtc->index); 256 257 if (event) { 258 spin_lock_irqsave(&dev->event_lock, flags); 259 drm_send_vblank_event(dev, qcrtc->index, event); 260 spin_unlock_irqrestore(&dev->event_lock, flags); 261 } 262 drm_vblank_put(dev, qcrtc->index); 263 264 ret = qxl_bo_reserve(bo, false); 265 if (!ret) { 266 qxl_bo_unpin(bo); 267 qxl_bo_unreserve(bo); 268 } 269 270 return 0; 271 } 272 273 static int 274 qxl_hide_cursor(struct qxl_device *qdev) 275 { 276 struct qxl_release *release; 277 struct qxl_cursor_cmd *cmd; 278 int ret; 279 280 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD, 281 &release, NULL); 282 if (ret) 283 return ret; 284 285 ret = qxl_release_reserve_list(release, true); 286 if (ret) { 287 qxl_release_free(qdev, release); 288 return ret; 289 } 290 291 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 292 cmd->type = QXL_CURSOR_HIDE; 293 qxl_release_unmap(qdev, release, &cmd->release_info); 294 295 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 296 qxl_release_fence_buffer_objects(release); 297 return 0; 298 } 299 300 static int qxl_crtc_cursor_set2(struct drm_crtc *crtc, 301 struct drm_file *file_priv, 302 uint32_t handle, 303 uint32_t width, 304 uint32_t height, int32_t hot_x, int32_t hot_y) 305 { 306 struct drm_device *dev = crtc->dev; 307 struct qxl_device *qdev = dev->dev_private; 308 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 309 struct drm_gem_object *obj; 310 struct qxl_cursor *cursor; 311 struct qxl_cursor_cmd *cmd; 312 struct qxl_bo *cursor_bo, *user_bo; 313 struct qxl_release *release; 314 void *user_ptr; 315 316 int size = 64*64*4; 317 int ret = 0; 318 if (!handle) 319 return qxl_hide_cursor(qdev); 320 321 obj = drm_gem_object_lookup(crtc->dev, file_priv, handle); 322 if (!obj) { 323 DRM_ERROR("cannot find cursor object\n"); 324 return -ENOENT; 325 } 326 327 user_bo = gem_to_qxl_bo(obj); 328 329 ret = qxl_bo_reserve(user_bo, false); 330 if (ret) 331 goto out_unref; 332 333 ret = qxl_bo_pin(user_bo, QXL_GEM_DOMAIN_CPU, NULL); 334 qxl_bo_unreserve(user_bo); 335 if (ret) 336 goto out_unref; 337 338 ret = qxl_bo_kmap(user_bo, &user_ptr); 339 if (ret) 340 goto out_unpin; 341 342 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), 343 QXL_RELEASE_CURSOR_CMD, 344 &release, NULL); 345 if (ret) 346 goto out_kunmap; 347 348 ret = qxl_alloc_bo_reserved(qdev, release, sizeof(struct qxl_cursor) + size, 349 &cursor_bo); 350 if (ret) 351 goto out_free_release; 352 353 ret = qxl_release_reserve_list(release, false); 354 if (ret) 355 goto out_free_bo; 356 357 ret = qxl_bo_kmap(cursor_bo, (void **)&cursor); 358 if (ret) 359 goto out_backoff; 360 361 cursor->header.unique = 0; 362 cursor->header.type = SPICE_CURSOR_TYPE_ALPHA; 363 cursor->header.width = 64; 364 cursor->header.height = 64; 365 cursor->header.hot_spot_x = hot_x; 366 cursor->header.hot_spot_y = hot_y; 367 cursor->data_size = size; 368 cursor->chunk.next_chunk = 0; 369 cursor->chunk.prev_chunk = 0; 370 cursor->chunk.data_size = size; 371 372 memcpy(cursor->chunk.data, user_ptr, size); 373 374 qxl_bo_kunmap(cursor_bo); 375 376 qxl_bo_kunmap(user_bo); 377 378 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 379 cmd->type = QXL_CURSOR_SET; 380 cmd->u.set.position.x = qcrtc->cur_x; 381 cmd->u.set.position.y = qcrtc->cur_y; 382 383 cmd->u.set.shape = qxl_bo_physical_address(qdev, cursor_bo, 0); 384 385 cmd->u.set.visible = 1; 386 qxl_release_unmap(qdev, release, &cmd->release_info); 387 388 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 389 qxl_release_fence_buffer_objects(release); 390 391 /* finish with the userspace bo */ 392 ret = qxl_bo_reserve(user_bo, false); 393 if (!ret) { 394 qxl_bo_unpin(user_bo); 395 qxl_bo_unreserve(user_bo); 396 } 397 drm_gem_object_unreference_unlocked(obj); 398 399 qxl_bo_unref(&cursor_bo); 400 401 return ret; 402 403 out_backoff: 404 qxl_release_backoff_reserve_list(release); 405 out_free_bo: 406 qxl_bo_unref(&cursor_bo); 407 out_free_release: 408 qxl_release_free(qdev, release); 409 out_kunmap: 410 qxl_bo_kunmap(user_bo); 411 out_unpin: 412 qxl_bo_unpin(user_bo); 413 out_unref: 414 drm_gem_object_unreference_unlocked(obj); 415 return ret; 416 } 417 418 static int qxl_crtc_cursor_move(struct drm_crtc *crtc, 419 int x, int y) 420 { 421 struct drm_device *dev = crtc->dev; 422 struct qxl_device *qdev = dev->dev_private; 423 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 424 struct qxl_release *release; 425 struct qxl_cursor_cmd *cmd; 426 int ret; 427 428 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD, 429 &release, NULL); 430 if (ret) 431 return ret; 432 433 ret = qxl_release_reserve_list(release, true); 434 if (ret) { 435 qxl_release_free(qdev, release); 436 return ret; 437 } 438 439 qcrtc->cur_x = x; 440 qcrtc->cur_y = y; 441 442 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 443 cmd->type = QXL_CURSOR_MOVE; 444 cmd->u.position.x = qcrtc->cur_x; 445 cmd->u.position.y = qcrtc->cur_y; 446 qxl_release_unmap(qdev, release, &cmd->release_info); 447 448 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 449 qxl_release_fence_buffer_objects(release); 450 451 return 0; 452 } 453 454 455 static const struct drm_crtc_funcs qxl_crtc_funcs = { 456 .cursor_set2 = qxl_crtc_cursor_set2, 457 .cursor_move = qxl_crtc_cursor_move, 458 .set_config = drm_crtc_helper_set_config, 459 .destroy = qxl_crtc_destroy, 460 .page_flip = qxl_crtc_page_flip, 461 }; 462 463 static void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb) 464 { 465 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb); 466 467 if (qxl_fb->obj) 468 drm_gem_object_unreference_unlocked(qxl_fb->obj); 469 drm_framebuffer_cleanup(fb); 470 kfree(qxl_fb); 471 } 472 473 static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb, 474 struct drm_file *file_priv, 475 unsigned flags, unsigned color, 476 struct drm_clip_rect *clips, 477 unsigned num_clips) 478 { 479 /* TODO: vmwgfx where this was cribbed from had locking. Why? */ 480 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb); 481 struct qxl_device *qdev = qxl_fb->base.dev->dev_private; 482 struct drm_clip_rect norect; 483 struct qxl_bo *qobj; 484 int inc = 1; 485 486 drm_modeset_lock_all(fb->dev); 487 488 qobj = gem_to_qxl_bo(qxl_fb->obj); 489 /* if we aren't primary surface ignore this */ 490 if (!qobj->is_primary) { 491 drm_modeset_unlock_all(fb->dev); 492 return 0; 493 } 494 495 if (!num_clips) { 496 num_clips = 1; 497 clips = &norect; 498 norect.x1 = norect.y1 = 0; 499 norect.x2 = fb->width; 500 norect.y2 = fb->height; 501 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) { 502 num_clips /= 2; 503 inc = 2; /* skip source rects */ 504 } 505 506 qxl_draw_dirty_fb(qdev, qxl_fb, qobj, flags, color, 507 clips, num_clips, inc); 508 509 drm_modeset_unlock_all(fb->dev); 510 511 return 0; 512 } 513 514 static const struct drm_framebuffer_funcs qxl_fb_funcs = { 515 .destroy = qxl_user_framebuffer_destroy, 516 .dirty = qxl_framebuffer_surface_dirty, 517 /* TODO? 518 * .create_handle = qxl_user_framebuffer_create_handle, */ 519 }; 520 521 int 522 qxl_framebuffer_init(struct drm_device *dev, 523 struct qxl_framebuffer *qfb, 524 const struct drm_mode_fb_cmd2 *mode_cmd, 525 struct drm_gem_object *obj) 526 { 527 int ret; 528 529 qfb->obj = obj; 530 ret = drm_framebuffer_init(dev, &qfb->base, &qxl_fb_funcs); 531 if (ret) { 532 qfb->obj = NULL; 533 return ret; 534 } 535 drm_helper_mode_fill_fb_struct(&qfb->base, mode_cmd); 536 return 0; 537 } 538 539 static void qxl_crtc_dpms(struct drm_crtc *crtc, int mode) 540 { 541 } 542 543 static bool qxl_crtc_mode_fixup(struct drm_crtc *crtc, 544 const struct drm_display_mode *mode, 545 struct drm_display_mode *adjusted_mode) 546 { 547 struct drm_device *dev = crtc->dev; 548 struct qxl_device *qdev = dev->dev_private; 549 550 qxl_io_log(qdev, "%s: (%d,%d) => (%d,%d)\n", 551 __func__, 552 mode->hdisplay, mode->vdisplay, 553 adjusted_mode->hdisplay, 554 adjusted_mode->vdisplay); 555 return true; 556 } 557 558 void 559 qxl_send_monitors_config(struct qxl_device *qdev) 560 { 561 int i; 562 563 BUG_ON(!qdev->ram_header->monitors_config); 564 565 if (qdev->monitors_config->count == 0) { 566 qxl_io_log(qdev, "%s: 0 monitors??\n", __func__); 567 return; 568 } 569 for (i = 0 ; i < qdev->monitors_config->count ; ++i) { 570 struct qxl_head *head = &qdev->monitors_config->heads[i]; 571 572 if (head->y > 8192 || head->x > 8192 || 573 head->width > 8192 || head->height > 8192) { 574 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n", 575 i, head->width, head->height, 576 head->x, head->y); 577 return; 578 } 579 } 580 qxl_io_monitors_config(qdev); 581 } 582 583 static void qxl_monitors_config_set(struct qxl_device *qdev, 584 int index, 585 unsigned x, unsigned y, 586 unsigned width, unsigned height, 587 unsigned surf_id) 588 { 589 DRM_DEBUG_KMS("%d:%dx%d+%d+%d\n", index, width, height, x, y); 590 qdev->monitors_config->heads[index].x = x; 591 qdev->monitors_config->heads[index].y = y; 592 qdev->monitors_config->heads[index].width = width; 593 qdev->monitors_config->heads[index].height = height; 594 qdev->monitors_config->heads[index].surface_id = surf_id; 595 596 } 597 598 static int qxl_crtc_mode_set(struct drm_crtc *crtc, 599 struct drm_display_mode *mode, 600 struct drm_display_mode *adjusted_mode, 601 int x, int y, 602 struct drm_framebuffer *old_fb) 603 { 604 struct drm_device *dev = crtc->dev; 605 struct qxl_device *qdev = dev->dev_private; 606 struct qxl_framebuffer *qfb; 607 struct qxl_bo *bo, *old_bo = NULL; 608 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 609 bool recreate_primary = false; 610 int ret; 611 int surf_id; 612 if (!crtc->primary->fb) { 613 DRM_DEBUG_KMS("No FB bound\n"); 614 return 0; 615 } 616 617 if (old_fb) { 618 qfb = to_qxl_framebuffer(old_fb); 619 old_bo = gem_to_qxl_bo(qfb->obj); 620 } 621 qfb = to_qxl_framebuffer(crtc->primary->fb); 622 bo = gem_to_qxl_bo(qfb->obj); 623 DRM_DEBUG("+%d+%d (%d,%d) => (%d,%d)\n", 624 x, y, 625 mode->hdisplay, mode->vdisplay, 626 adjusted_mode->hdisplay, 627 adjusted_mode->vdisplay); 628 629 if (bo->is_primary == false) 630 recreate_primary = true; 631 632 if (bo->surf.stride * bo->surf.height > qdev->vram_size) { 633 DRM_ERROR("Mode doesn't fit in vram size (vgamem)"); 634 return -EINVAL; 635 } 636 637 ret = qxl_bo_reserve(bo, false); 638 if (ret != 0) 639 return ret; 640 ret = qxl_bo_pin(bo, bo->type, NULL); 641 if (ret != 0) { 642 qxl_bo_unreserve(bo); 643 return -EINVAL; 644 } 645 qxl_bo_unreserve(bo); 646 if (recreate_primary) { 647 qxl_io_destroy_primary(qdev); 648 qxl_io_log(qdev, 649 "recreate primary: %dx%d,%d,%d\n", 650 bo->surf.width, bo->surf.height, 651 bo->surf.stride, bo->surf.format); 652 qxl_io_create_primary(qdev, 0, bo); 653 bo->is_primary = true; 654 } 655 656 if (bo->is_primary) { 657 DRM_DEBUG_KMS("setting surface_id to 0 for primary surface %d on crtc %d\n", bo->surface_id, qcrtc->index); 658 surf_id = 0; 659 } else { 660 surf_id = bo->surface_id; 661 } 662 663 if (old_bo && old_bo != bo) { 664 old_bo->is_primary = false; 665 ret = qxl_bo_reserve(old_bo, false); 666 qxl_bo_unpin(old_bo); 667 qxl_bo_unreserve(old_bo); 668 } 669 670 qxl_monitors_config_set(qdev, qcrtc->index, x, y, 671 mode->hdisplay, 672 mode->vdisplay, surf_id); 673 return 0; 674 } 675 676 static void qxl_crtc_prepare(struct drm_crtc *crtc) 677 { 678 DRM_DEBUG("current: %dx%d+%d+%d (%d).\n", 679 crtc->mode.hdisplay, crtc->mode.vdisplay, 680 crtc->x, crtc->y, crtc->enabled); 681 } 682 683 static void qxl_crtc_commit(struct drm_crtc *crtc) 684 { 685 DRM_DEBUG("\n"); 686 } 687 688 static void qxl_crtc_disable(struct drm_crtc *crtc) 689 { 690 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 691 struct drm_device *dev = crtc->dev; 692 struct qxl_device *qdev = dev->dev_private; 693 if (crtc->primary->fb) { 694 struct qxl_framebuffer *qfb = to_qxl_framebuffer(crtc->primary->fb); 695 struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj); 696 int ret; 697 ret = qxl_bo_reserve(bo, false); 698 qxl_bo_unpin(bo); 699 qxl_bo_unreserve(bo); 700 crtc->primary->fb = NULL; 701 } 702 703 qxl_monitors_config_set(qdev, qcrtc->index, 0, 0, 0, 0, 0); 704 705 qxl_send_monitors_config(qdev); 706 } 707 708 static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = { 709 .dpms = qxl_crtc_dpms, 710 .disable = qxl_crtc_disable, 711 .mode_fixup = qxl_crtc_mode_fixup, 712 .mode_set = qxl_crtc_mode_set, 713 .prepare = qxl_crtc_prepare, 714 .commit = qxl_crtc_commit, 715 }; 716 717 static int qdev_crtc_init(struct drm_device *dev, int crtc_id) 718 { 719 struct qxl_crtc *qxl_crtc; 720 721 qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL); 722 if (!qxl_crtc) 723 return -ENOMEM; 724 725 drm_crtc_init(dev, &qxl_crtc->base, &qxl_crtc_funcs); 726 qxl_crtc->index = crtc_id; 727 drm_mode_crtc_set_gamma_size(&qxl_crtc->base, 256); 728 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs); 729 return 0; 730 } 731 732 static void qxl_enc_dpms(struct drm_encoder *encoder, int mode) 733 { 734 DRM_DEBUG("\n"); 735 } 736 737 static void qxl_enc_prepare(struct drm_encoder *encoder) 738 { 739 DRM_DEBUG("\n"); 740 } 741 742 static void qxl_write_monitors_config_for_encoder(struct qxl_device *qdev, 743 struct drm_encoder *encoder) 744 { 745 int i; 746 struct qxl_output *output = drm_encoder_to_qxl_output(encoder); 747 struct qxl_head *head; 748 struct drm_display_mode *mode; 749 750 BUG_ON(!encoder); 751 /* TODO: ugly, do better */ 752 i = output->index; 753 if (!qdev->monitors_config || 754 qdev->monitors_config->max_allowed <= i) { 755 DRM_ERROR( 756 "head number too large or missing monitors config: %p, %d", 757 qdev->monitors_config, 758 qdev->monitors_config ? 759 qdev->monitors_config->max_allowed : -1); 760 return; 761 } 762 if (!encoder->crtc) { 763 DRM_ERROR("missing crtc on encoder %p\n", encoder); 764 return; 765 } 766 if (i != 0) 767 DRM_DEBUG("missing for multiple monitors: no head holes\n"); 768 head = &qdev->monitors_config->heads[i]; 769 head->id = i; 770 if (encoder->crtc->enabled) { 771 mode = &encoder->crtc->mode; 772 head->width = mode->hdisplay; 773 head->height = mode->vdisplay; 774 head->x = encoder->crtc->x; 775 head->y = encoder->crtc->y; 776 if (qdev->monitors_config->count < i + 1) 777 qdev->monitors_config->count = i + 1; 778 } else { 779 head->width = 0; 780 head->height = 0; 781 head->x = 0; 782 head->y = 0; 783 } 784 DRM_DEBUG_KMS("setting head %d to +%d+%d %dx%d out of %d\n", 785 i, head->x, head->y, head->width, head->height, qdev->monitors_config->count); 786 head->flags = 0; 787 /* TODO - somewhere else to call this for multiple monitors 788 * (config_commit?) */ 789 qxl_send_monitors_config(qdev); 790 } 791 792 static void qxl_enc_commit(struct drm_encoder *encoder) 793 { 794 struct qxl_device *qdev = encoder->dev->dev_private; 795 796 qxl_write_monitors_config_for_encoder(qdev, encoder); 797 DRM_DEBUG("\n"); 798 } 799 800 static void qxl_enc_mode_set(struct drm_encoder *encoder, 801 struct drm_display_mode *mode, 802 struct drm_display_mode *adjusted_mode) 803 { 804 DRM_DEBUG("\n"); 805 } 806 807 static int qxl_conn_get_modes(struct drm_connector *connector) 808 { 809 int ret = 0; 810 struct qxl_device *qdev = connector->dev->dev_private; 811 unsigned pwidth = 1024; 812 unsigned pheight = 768; 813 814 DRM_DEBUG_KMS("monitors_config=%p\n", qdev->monitors_config); 815 /* TODO: what should we do here? only show the configured modes for the 816 * device, or allow the full list, or both? */ 817 if (qdev->monitors_config && qdev->monitors_config->count) { 818 ret = qxl_add_monitors_config_modes(connector, &pwidth, &pheight); 819 if (ret < 0) 820 return ret; 821 } 822 ret += qxl_add_common_modes(connector, pwidth, pheight); 823 return ret; 824 } 825 826 static int qxl_conn_mode_valid(struct drm_connector *connector, 827 struct drm_display_mode *mode) 828 { 829 struct drm_device *ddev = connector->dev; 830 struct qxl_device *qdev = ddev->dev_private; 831 int i; 832 833 /* TODO: is this called for user defined modes? (xrandr --add-mode) 834 * TODO: check that the mode fits in the framebuffer */ 835 836 if(qdev->monitors_config_width == mode->hdisplay && 837 qdev->monitors_config_height == mode->vdisplay) 838 return MODE_OK; 839 840 for (i = 0; i < ARRAY_SIZE(common_modes); i++) { 841 if (common_modes[i].w == mode->hdisplay && common_modes[i].h == mode->vdisplay) 842 return MODE_OK; 843 } 844 return MODE_BAD; 845 } 846 847 static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector) 848 { 849 struct qxl_output *qxl_output = 850 drm_connector_to_qxl_output(connector); 851 852 DRM_DEBUG("\n"); 853 return &qxl_output->enc; 854 } 855 856 857 static const struct drm_encoder_helper_funcs qxl_enc_helper_funcs = { 858 .dpms = qxl_enc_dpms, 859 .prepare = qxl_enc_prepare, 860 .mode_set = qxl_enc_mode_set, 861 .commit = qxl_enc_commit, 862 }; 863 864 static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = { 865 .get_modes = qxl_conn_get_modes, 866 .mode_valid = qxl_conn_mode_valid, 867 .best_encoder = qxl_best_encoder, 868 }; 869 870 static enum drm_connector_status qxl_conn_detect( 871 struct drm_connector *connector, 872 bool force) 873 { 874 struct qxl_output *output = 875 drm_connector_to_qxl_output(connector); 876 struct drm_device *ddev = connector->dev; 877 struct qxl_device *qdev = ddev->dev_private; 878 bool connected = false; 879 880 /* The first monitor is always connected */ 881 if (!qdev->client_monitors_config) { 882 if (output->index == 0) 883 connected = true; 884 } else 885 connected = qdev->client_monitors_config->count > output->index && 886 qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]); 887 888 DRM_DEBUG("#%d connected: %d\n", output->index, connected); 889 if (!connected) 890 qxl_monitors_config_set(qdev, output->index, 0, 0, 0, 0, 0); 891 892 return connected ? connector_status_connected 893 : connector_status_disconnected; 894 } 895 896 static int qxl_conn_set_property(struct drm_connector *connector, 897 struct drm_property *property, 898 uint64_t value) 899 { 900 DRM_DEBUG("\n"); 901 return 0; 902 } 903 904 static void qxl_conn_destroy(struct drm_connector *connector) 905 { 906 struct qxl_output *qxl_output = 907 drm_connector_to_qxl_output(connector); 908 909 drm_connector_unregister(connector); 910 drm_connector_cleanup(connector); 911 kfree(qxl_output); 912 } 913 914 static const struct drm_connector_funcs qxl_connector_funcs = { 915 .dpms = drm_helper_connector_dpms, 916 .detect = qxl_conn_detect, 917 .fill_modes = drm_helper_probe_single_connector_modes, 918 .set_property = qxl_conn_set_property, 919 .destroy = qxl_conn_destroy, 920 }; 921 922 static void qxl_enc_destroy(struct drm_encoder *encoder) 923 { 924 drm_encoder_cleanup(encoder); 925 } 926 927 static const struct drm_encoder_funcs qxl_enc_funcs = { 928 .destroy = qxl_enc_destroy, 929 }; 930 931 static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev) 932 { 933 if (qdev->hotplug_mode_update_property) 934 return 0; 935 936 qdev->hotplug_mode_update_property = 937 drm_property_create_range(qdev->ddev, DRM_MODE_PROP_IMMUTABLE, 938 "hotplug_mode_update", 0, 1); 939 940 return 0; 941 } 942 943 static int qdev_output_init(struct drm_device *dev, int num_output) 944 { 945 struct qxl_device *qdev = dev->dev_private; 946 struct qxl_output *qxl_output; 947 struct drm_connector *connector; 948 struct drm_encoder *encoder; 949 950 qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL); 951 if (!qxl_output) 952 return -ENOMEM; 953 954 qxl_output->index = num_output; 955 956 connector = &qxl_output->base; 957 encoder = &qxl_output->enc; 958 drm_connector_init(dev, &qxl_output->base, 959 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL); 960 961 drm_encoder_init(dev, &qxl_output->enc, &qxl_enc_funcs, 962 DRM_MODE_ENCODER_VIRTUAL, NULL); 963 964 /* we get HPD via client monitors config */ 965 connector->polled = DRM_CONNECTOR_POLL_HPD; 966 encoder->possible_crtcs = 1 << num_output; 967 drm_mode_connector_attach_encoder(&qxl_output->base, 968 &qxl_output->enc); 969 drm_encoder_helper_add(encoder, &qxl_enc_helper_funcs); 970 drm_connector_helper_add(connector, &qxl_connector_helper_funcs); 971 972 drm_object_attach_property(&connector->base, 973 qdev->hotplug_mode_update_property, 0); 974 drm_object_attach_property(&connector->base, 975 dev->mode_config.suggested_x_property, 0); 976 drm_object_attach_property(&connector->base, 977 dev->mode_config.suggested_y_property, 0); 978 drm_connector_register(connector); 979 return 0; 980 } 981 982 static struct drm_framebuffer * 983 qxl_user_framebuffer_create(struct drm_device *dev, 984 struct drm_file *file_priv, 985 const struct drm_mode_fb_cmd2 *mode_cmd) 986 { 987 struct drm_gem_object *obj; 988 struct qxl_framebuffer *qxl_fb; 989 int ret; 990 991 obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]); 992 993 qxl_fb = kzalloc(sizeof(*qxl_fb), GFP_KERNEL); 994 if (qxl_fb == NULL) 995 return NULL; 996 997 ret = qxl_framebuffer_init(dev, qxl_fb, mode_cmd, obj); 998 if (ret) { 999 kfree(qxl_fb); 1000 drm_gem_object_unreference_unlocked(obj); 1001 return NULL; 1002 } 1003 1004 return &qxl_fb->base; 1005 } 1006 1007 static const struct drm_mode_config_funcs qxl_mode_funcs = { 1008 .fb_create = qxl_user_framebuffer_create, 1009 }; 1010 1011 int qxl_create_monitors_object(struct qxl_device *qdev) 1012 { 1013 int ret; 1014 struct drm_gem_object *gobj; 1015 int max_allowed = qxl_num_crtc; 1016 int monitors_config_size = sizeof(struct qxl_monitors_config) + 1017 max_allowed * sizeof(struct qxl_head); 1018 1019 ret = qxl_gem_object_create(qdev, monitors_config_size, 0, 1020 QXL_GEM_DOMAIN_VRAM, 1021 false, false, NULL, &gobj); 1022 if (ret) { 1023 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret); 1024 return -ENOMEM; 1025 } 1026 qdev->monitors_config_bo = gem_to_qxl_bo(gobj); 1027 1028 ret = qxl_bo_reserve(qdev->monitors_config_bo, false); 1029 if (ret) 1030 return ret; 1031 1032 ret = qxl_bo_pin(qdev->monitors_config_bo, QXL_GEM_DOMAIN_VRAM, NULL); 1033 if (ret) { 1034 qxl_bo_unreserve(qdev->monitors_config_bo); 1035 return ret; 1036 } 1037 1038 qxl_bo_unreserve(qdev->monitors_config_bo); 1039 1040 qxl_bo_kmap(qdev->monitors_config_bo, NULL); 1041 1042 qdev->monitors_config = qdev->monitors_config_bo->kptr; 1043 qdev->ram_header->monitors_config = 1044 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0); 1045 1046 memset(qdev->monitors_config, 0, monitors_config_size); 1047 qdev->monitors_config->max_allowed = max_allowed; 1048 return 0; 1049 } 1050 1051 int qxl_destroy_monitors_object(struct qxl_device *qdev) 1052 { 1053 int ret; 1054 1055 qdev->monitors_config = NULL; 1056 qdev->ram_header->monitors_config = 0; 1057 1058 qxl_bo_kunmap(qdev->monitors_config_bo); 1059 ret = qxl_bo_reserve(qdev->monitors_config_bo, false); 1060 if (ret) 1061 return ret; 1062 1063 qxl_bo_unpin(qdev->monitors_config_bo); 1064 qxl_bo_unreserve(qdev->monitors_config_bo); 1065 1066 qxl_bo_unref(&qdev->monitors_config_bo); 1067 return 0; 1068 } 1069 1070 int qxl_modeset_init(struct qxl_device *qdev) 1071 { 1072 int i; 1073 int ret; 1074 1075 drm_mode_config_init(qdev->ddev); 1076 1077 ret = qxl_create_monitors_object(qdev); 1078 if (ret) 1079 return ret; 1080 1081 qdev->ddev->mode_config.funcs = (void *)&qxl_mode_funcs; 1082 1083 /* modes will be validated against the framebuffer size */ 1084 qdev->ddev->mode_config.min_width = 320; 1085 qdev->ddev->mode_config.min_height = 200; 1086 qdev->ddev->mode_config.max_width = 8192; 1087 qdev->ddev->mode_config.max_height = 8192; 1088 1089 qdev->ddev->mode_config.fb_base = qdev->vram_base; 1090 1091 drm_mode_create_suggested_offset_properties(qdev->ddev); 1092 qxl_mode_create_hotplug_mode_update_property(qdev); 1093 1094 for (i = 0 ; i < qxl_num_crtc; ++i) { 1095 qdev_crtc_init(qdev->ddev, i); 1096 qdev_output_init(qdev->ddev, i); 1097 } 1098 1099 qdev->mode_info.mode_config_initialized = true; 1100 1101 /* primary surface must be created by this point, to allow 1102 * issuing command queue commands and having them read by 1103 * spice server. */ 1104 qxl_fbdev_init(qdev); 1105 return 0; 1106 } 1107 1108 void qxl_modeset_fini(struct qxl_device *qdev) 1109 { 1110 qxl_fbdev_fini(qdev); 1111 1112 qxl_destroy_monitors_object(qdev); 1113 if (qdev->mode_info.mode_config_initialized) { 1114 drm_mode_config_cleanup(qdev->ddev); 1115 qdev->mode_info.mode_config_initialized = false; 1116 } 1117 } 1118