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 qxl_bo_unref(&qxl_crtc->cursor_bo); 215 kfree(qxl_crtc); 216 } 217 218 static int qxl_crtc_page_flip(struct drm_crtc *crtc, 219 struct drm_framebuffer *fb, 220 struct drm_pending_vblank_event *event, 221 uint32_t page_flip_flags) 222 { 223 struct drm_device *dev = crtc->dev; 224 struct qxl_device *qdev = dev->dev_private; 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_crtc_vblank_get(crtc); 256 257 if (event) { 258 spin_lock_irqsave(&dev->event_lock, flags); 259 drm_crtc_send_vblank_event(crtc, event); 260 spin_unlock_irqrestore(&dev->event_lock, flags); 261 } 262 drm_crtc_vblank_put(crtc); 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_apply_cursor(struct drm_crtc *crtc) 301 { 302 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 303 struct drm_device *dev = crtc->dev; 304 struct qxl_device *qdev = dev->dev_private; 305 struct qxl_cursor_cmd *cmd; 306 struct qxl_release *release; 307 int ret = 0; 308 309 if (!qcrtc->cursor_bo) 310 return 0; 311 312 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), 313 QXL_RELEASE_CURSOR_CMD, 314 &release, NULL); 315 if (ret) 316 return ret; 317 318 ret = qxl_release_list_add(release, qcrtc->cursor_bo); 319 if (ret) 320 goto out_free_release; 321 322 ret = qxl_release_reserve_list(release, false); 323 if (ret) 324 goto out_free_release; 325 326 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 327 cmd->type = QXL_CURSOR_SET; 328 cmd->u.set.position.x = qcrtc->cur_x + qcrtc->hot_spot_x; 329 cmd->u.set.position.y = qcrtc->cur_y + qcrtc->hot_spot_y; 330 331 cmd->u.set.shape = qxl_bo_physical_address(qdev, qcrtc->cursor_bo, 0); 332 333 cmd->u.set.visible = 1; 334 qxl_release_unmap(qdev, release, &cmd->release_info); 335 336 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 337 qxl_release_fence_buffer_objects(release); 338 339 return ret; 340 341 out_free_release: 342 qxl_release_free(qdev, release); 343 return ret; 344 } 345 346 static int qxl_crtc_cursor_set2(struct drm_crtc *crtc, 347 struct drm_file *file_priv, 348 uint32_t handle, 349 uint32_t width, 350 uint32_t height, int32_t hot_x, int32_t hot_y) 351 { 352 struct drm_device *dev = crtc->dev; 353 struct qxl_device *qdev = dev->dev_private; 354 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 355 struct drm_gem_object *obj; 356 struct qxl_cursor *cursor; 357 struct qxl_cursor_cmd *cmd; 358 struct qxl_bo *cursor_bo, *user_bo; 359 struct qxl_release *release; 360 void *user_ptr; 361 362 int size = 64*64*4; 363 int ret = 0; 364 if (!handle) 365 return qxl_hide_cursor(qdev); 366 367 obj = drm_gem_object_lookup(file_priv, handle); 368 if (!obj) { 369 DRM_ERROR("cannot find cursor object\n"); 370 return -ENOENT; 371 } 372 373 user_bo = gem_to_qxl_bo(obj); 374 375 ret = qxl_bo_reserve(user_bo, false); 376 if (ret) 377 goto out_unref; 378 379 ret = qxl_bo_pin(user_bo, QXL_GEM_DOMAIN_CPU, NULL); 380 qxl_bo_unreserve(user_bo); 381 if (ret) 382 goto out_unref; 383 384 ret = qxl_bo_kmap(user_bo, &user_ptr); 385 if (ret) 386 goto out_unpin; 387 388 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), 389 QXL_RELEASE_CURSOR_CMD, 390 &release, NULL); 391 if (ret) 392 goto out_kunmap; 393 394 ret = qxl_alloc_bo_reserved(qdev, release, sizeof(struct qxl_cursor) + size, 395 &cursor_bo); 396 if (ret) 397 goto out_free_release; 398 399 ret = qxl_release_reserve_list(release, false); 400 if (ret) 401 goto out_free_bo; 402 403 ret = qxl_bo_kmap(cursor_bo, (void **)&cursor); 404 if (ret) 405 goto out_backoff; 406 407 cursor->header.unique = 0; 408 cursor->header.type = SPICE_CURSOR_TYPE_ALPHA; 409 cursor->header.width = 64; 410 cursor->header.height = 64; 411 cursor->header.hot_spot_x = hot_x; 412 cursor->header.hot_spot_y = hot_y; 413 cursor->data_size = size; 414 cursor->chunk.next_chunk = 0; 415 cursor->chunk.prev_chunk = 0; 416 cursor->chunk.data_size = size; 417 418 memcpy(cursor->chunk.data, user_ptr, size); 419 420 qxl_bo_kunmap(cursor_bo); 421 422 qxl_bo_kunmap(user_bo); 423 424 qcrtc->cur_x += qcrtc->hot_spot_x - hot_x; 425 qcrtc->cur_y += qcrtc->hot_spot_y - hot_y; 426 qcrtc->hot_spot_x = hot_x; 427 qcrtc->hot_spot_y = hot_y; 428 429 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 430 cmd->type = QXL_CURSOR_SET; 431 cmd->u.set.position.x = qcrtc->cur_x + qcrtc->hot_spot_x; 432 cmd->u.set.position.y = qcrtc->cur_y + qcrtc->hot_spot_y; 433 434 cmd->u.set.shape = qxl_bo_physical_address(qdev, cursor_bo, 0); 435 436 cmd->u.set.visible = 1; 437 qxl_release_unmap(qdev, release, &cmd->release_info); 438 439 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 440 qxl_release_fence_buffer_objects(release); 441 442 /* finish with the userspace bo */ 443 ret = qxl_bo_reserve(user_bo, false); 444 if (!ret) { 445 qxl_bo_unpin(user_bo); 446 qxl_bo_unreserve(user_bo); 447 } 448 drm_gem_object_unreference_unlocked(obj); 449 450 qxl_bo_unref (&qcrtc->cursor_bo); 451 qcrtc->cursor_bo = cursor_bo; 452 453 return ret; 454 455 out_backoff: 456 qxl_release_backoff_reserve_list(release); 457 out_free_bo: 458 qxl_bo_unref(&cursor_bo); 459 out_free_release: 460 qxl_release_free(qdev, release); 461 out_kunmap: 462 qxl_bo_kunmap(user_bo); 463 out_unpin: 464 qxl_bo_unpin(user_bo); 465 out_unref: 466 drm_gem_object_unreference_unlocked(obj); 467 return ret; 468 } 469 470 static int qxl_crtc_cursor_move(struct drm_crtc *crtc, 471 int x, int y) 472 { 473 struct drm_device *dev = crtc->dev; 474 struct qxl_device *qdev = dev->dev_private; 475 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 476 struct qxl_release *release; 477 struct qxl_cursor_cmd *cmd; 478 int ret; 479 480 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD, 481 &release, NULL); 482 if (ret) 483 return ret; 484 485 ret = qxl_release_reserve_list(release, true); 486 if (ret) { 487 qxl_release_free(qdev, release); 488 return ret; 489 } 490 491 qcrtc->cur_x = x; 492 qcrtc->cur_y = y; 493 494 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 495 cmd->type = QXL_CURSOR_MOVE; 496 cmd->u.position.x = qcrtc->cur_x + qcrtc->hot_spot_x; 497 cmd->u.position.y = qcrtc->cur_y + qcrtc->hot_spot_y; 498 qxl_release_unmap(qdev, release, &cmd->release_info); 499 500 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 501 qxl_release_fence_buffer_objects(release); 502 503 return 0; 504 } 505 506 507 static const struct drm_crtc_funcs qxl_crtc_funcs = { 508 .cursor_set2 = qxl_crtc_cursor_set2, 509 .cursor_move = qxl_crtc_cursor_move, 510 .set_config = drm_crtc_helper_set_config, 511 .destroy = qxl_crtc_destroy, 512 .page_flip = qxl_crtc_page_flip, 513 }; 514 515 void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb) 516 { 517 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb); 518 519 drm_gem_object_unreference_unlocked(qxl_fb->obj); 520 drm_framebuffer_cleanup(fb); 521 kfree(qxl_fb); 522 } 523 524 static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb, 525 struct drm_file *file_priv, 526 unsigned flags, unsigned color, 527 struct drm_clip_rect *clips, 528 unsigned num_clips) 529 { 530 /* TODO: vmwgfx where this was cribbed from had locking. Why? */ 531 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb); 532 struct qxl_device *qdev = qxl_fb->base.dev->dev_private; 533 struct drm_clip_rect norect; 534 struct qxl_bo *qobj; 535 int inc = 1; 536 537 drm_modeset_lock_all(fb->dev); 538 539 qobj = gem_to_qxl_bo(qxl_fb->obj); 540 /* if we aren't primary surface ignore this */ 541 if (!qobj->is_primary) { 542 drm_modeset_unlock_all(fb->dev); 543 return 0; 544 } 545 546 if (!num_clips) { 547 num_clips = 1; 548 clips = &norect; 549 norect.x1 = norect.y1 = 0; 550 norect.x2 = fb->width; 551 norect.y2 = fb->height; 552 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) { 553 num_clips /= 2; 554 inc = 2; /* skip source rects */ 555 } 556 557 qxl_draw_dirty_fb(qdev, qxl_fb, qobj, flags, color, 558 clips, num_clips, inc); 559 560 drm_modeset_unlock_all(fb->dev); 561 562 return 0; 563 } 564 565 static const struct drm_framebuffer_funcs qxl_fb_funcs = { 566 .destroy = qxl_user_framebuffer_destroy, 567 .dirty = qxl_framebuffer_surface_dirty, 568 /* TODO? 569 * .create_handle = qxl_user_framebuffer_create_handle, */ 570 }; 571 572 int 573 qxl_framebuffer_init(struct drm_device *dev, 574 struct qxl_framebuffer *qfb, 575 const struct drm_mode_fb_cmd2 *mode_cmd, 576 struct drm_gem_object *obj, 577 const struct drm_framebuffer_funcs *funcs) 578 { 579 int ret; 580 581 qfb->obj = obj; 582 ret = drm_framebuffer_init(dev, &qfb->base, funcs); 583 if (ret) { 584 qfb->obj = NULL; 585 return ret; 586 } 587 drm_helper_mode_fill_fb_struct(&qfb->base, mode_cmd); 588 return 0; 589 } 590 591 static void qxl_crtc_dpms(struct drm_crtc *crtc, int mode) 592 { 593 } 594 595 static bool qxl_crtc_mode_fixup(struct drm_crtc *crtc, 596 const struct drm_display_mode *mode, 597 struct drm_display_mode *adjusted_mode) 598 { 599 struct drm_device *dev = crtc->dev; 600 struct qxl_device *qdev = dev->dev_private; 601 602 qxl_io_log(qdev, "%s: (%d,%d) => (%d,%d)\n", 603 __func__, 604 mode->hdisplay, mode->vdisplay, 605 adjusted_mode->hdisplay, 606 adjusted_mode->vdisplay); 607 return true; 608 } 609 610 void 611 qxl_send_monitors_config(struct qxl_device *qdev) 612 { 613 int i; 614 615 BUG_ON(!qdev->ram_header->monitors_config); 616 617 if (qdev->monitors_config->count == 0) { 618 qxl_io_log(qdev, "%s: 0 monitors??\n", __func__); 619 return; 620 } 621 for (i = 0 ; i < qdev->monitors_config->count ; ++i) { 622 struct qxl_head *head = &qdev->monitors_config->heads[i]; 623 624 if (head->y > 8192 || head->x > 8192 || 625 head->width > 8192 || head->height > 8192) { 626 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n", 627 i, head->width, head->height, 628 head->x, head->y); 629 return; 630 } 631 } 632 qxl_io_monitors_config(qdev); 633 } 634 635 static void qxl_monitors_config_set(struct qxl_device *qdev, 636 int index, 637 unsigned x, unsigned y, 638 unsigned width, unsigned height, 639 unsigned surf_id) 640 { 641 DRM_DEBUG_KMS("%d:%dx%d+%d+%d\n", index, width, height, x, y); 642 qdev->monitors_config->heads[index].x = x; 643 qdev->monitors_config->heads[index].y = y; 644 qdev->monitors_config->heads[index].width = width; 645 qdev->monitors_config->heads[index].height = height; 646 qdev->monitors_config->heads[index].surface_id = surf_id; 647 648 } 649 650 static int qxl_crtc_mode_set(struct drm_crtc *crtc, 651 struct drm_display_mode *mode, 652 struct drm_display_mode *adjusted_mode, 653 int x, int y, 654 struct drm_framebuffer *old_fb) 655 { 656 struct drm_device *dev = crtc->dev; 657 struct qxl_device *qdev = dev->dev_private; 658 struct qxl_framebuffer *qfb; 659 struct qxl_bo *bo, *old_bo = NULL; 660 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 661 bool recreate_primary = false; 662 int ret; 663 int surf_id; 664 if (!crtc->primary->fb) { 665 DRM_DEBUG_KMS("No FB bound\n"); 666 return 0; 667 } 668 669 if (old_fb) { 670 qfb = to_qxl_framebuffer(old_fb); 671 old_bo = gem_to_qxl_bo(qfb->obj); 672 } 673 qfb = to_qxl_framebuffer(crtc->primary->fb); 674 bo = gem_to_qxl_bo(qfb->obj); 675 DRM_DEBUG("+%d+%d (%d,%d) => (%d,%d)\n", 676 x, y, 677 mode->hdisplay, mode->vdisplay, 678 adjusted_mode->hdisplay, 679 adjusted_mode->vdisplay); 680 681 if (bo->is_primary == false) 682 recreate_primary = true; 683 684 if (bo->surf.stride * bo->surf.height > qdev->vram_size) { 685 DRM_ERROR("Mode doesn't fit in vram size (vgamem)"); 686 return -EINVAL; 687 } 688 689 ret = qxl_bo_reserve(bo, false); 690 if (ret != 0) 691 return ret; 692 ret = qxl_bo_pin(bo, bo->type, NULL); 693 if (ret != 0) { 694 qxl_bo_unreserve(bo); 695 return -EINVAL; 696 } 697 qxl_bo_unreserve(bo); 698 if (recreate_primary) { 699 qxl_io_destroy_primary(qdev); 700 qxl_io_log(qdev, 701 "recreate primary: %dx%d,%d,%d\n", 702 bo->surf.width, bo->surf.height, 703 bo->surf.stride, bo->surf.format); 704 qxl_io_create_primary(qdev, 0, bo); 705 bo->is_primary = true; 706 707 ret = qxl_crtc_apply_cursor(crtc); 708 if (ret) { 709 DRM_ERROR("could not set cursor after modeset"); 710 ret = 0; 711 } 712 } 713 714 if (bo->is_primary) { 715 DRM_DEBUG_KMS("setting surface_id to 0 for primary surface %d on crtc %d\n", bo->surface_id, qcrtc->index); 716 surf_id = 0; 717 } else { 718 surf_id = bo->surface_id; 719 } 720 721 if (old_bo && old_bo != bo) { 722 old_bo->is_primary = false; 723 ret = qxl_bo_reserve(old_bo, false); 724 qxl_bo_unpin(old_bo); 725 qxl_bo_unreserve(old_bo); 726 } 727 728 qxl_monitors_config_set(qdev, qcrtc->index, x, y, 729 mode->hdisplay, 730 mode->vdisplay, surf_id); 731 return 0; 732 } 733 734 static void qxl_crtc_prepare(struct drm_crtc *crtc) 735 { 736 DRM_DEBUG("current: %dx%d+%d+%d (%d).\n", 737 crtc->mode.hdisplay, crtc->mode.vdisplay, 738 crtc->x, crtc->y, crtc->enabled); 739 } 740 741 static void qxl_crtc_commit(struct drm_crtc *crtc) 742 { 743 DRM_DEBUG("\n"); 744 } 745 746 static void qxl_crtc_disable(struct drm_crtc *crtc) 747 { 748 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 749 struct drm_device *dev = crtc->dev; 750 struct qxl_device *qdev = dev->dev_private; 751 if (crtc->primary->fb) { 752 struct qxl_framebuffer *qfb = to_qxl_framebuffer(crtc->primary->fb); 753 struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj); 754 int ret; 755 ret = qxl_bo_reserve(bo, false); 756 qxl_bo_unpin(bo); 757 qxl_bo_unreserve(bo); 758 crtc->primary->fb = NULL; 759 } 760 761 qxl_monitors_config_set(qdev, qcrtc->index, 0, 0, 0, 0, 0); 762 763 qxl_send_monitors_config(qdev); 764 } 765 766 static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = { 767 .dpms = qxl_crtc_dpms, 768 .disable = qxl_crtc_disable, 769 .mode_fixup = qxl_crtc_mode_fixup, 770 .mode_set = qxl_crtc_mode_set, 771 .prepare = qxl_crtc_prepare, 772 .commit = qxl_crtc_commit, 773 }; 774 775 static int qdev_crtc_init(struct drm_device *dev, int crtc_id) 776 { 777 struct qxl_crtc *qxl_crtc; 778 779 qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL); 780 if (!qxl_crtc) 781 return -ENOMEM; 782 783 drm_crtc_init(dev, &qxl_crtc->base, &qxl_crtc_funcs); 784 qxl_crtc->index = crtc_id; 785 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs); 786 return 0; 787 } 788 789 static void qxl_enc_dpms(struct drm_encoder *encoder, int mode) 790 { 791 DRM_DEBUG("\n"); 792 } 793 794 static void qxl_enc_prepare(struct drm_encoder *encoder) 795 { 796 DRM_DEBUG("\n"); 797 } 798 799 static void qxl_write_monitors_config_for_encoder(struct qxl_device *qdev, 800 struct drm_encoder *encoder) 801 { 802 int i; 803 struct qxl_output *output = drm_encoder_to_qxl_output(encoder); 804 struct qxl_head *head; 805 struct drm_display_mode *mode; 806 807 BUG_ON(!encoder); 808 /* TODO: ugly, do better */ 809 i = output->index; 810 if (!qdev->monitors_config || 811 qdev->monitors_config->max_allowed <= i) { 812 DRM_ERROR( 813 "head number too large or missing monitors config: %p, %d", 814 qdev->monitors_config, 815 qdev->monitors_config ? 816 qdev->monitors_config->max_allowed : -1); 817 return; 818 } 819 if (!encoder->crtc) { 820 DRM_ERROR("missing crtc on encoder %p\n", encoder); 821 return; 822 } 823 if (i != 0) 824 DRM_DEBUG("missing for multiple monitors: no head holes\n"); 825 head = &qdev->monitors_config->heads[i]; 826 head->id = i; 827 if (encoder->crtc->enabled) { 828 mode = &encoder->crtc->mode; 829 head->width = mode->hdisplay; 830 head->height = mode->vdisplay; 831 head->x = encoder->crtc->x; 832 head->y = encoder->crtc->y; 833 if (qdev->monitors_config->count < i + 1) 834 qdev->monitors_config->count = i + 1; 835 } else { 836 head->width = 0; 837 head->height = 0; 838 head->x = 0; 839 head->y = 0; 840 } 841 DRM_DEBUG_KMS("setting head %d to +%d+%d %dx%d out of %d\n", 842 i, head->x, head->y, head->width, head->height, qdev->monitors_config->count); 843 head->flags = 0; 844 /* TODO - somewhere else to call this for multiple monitors 845 * (config_commit?) */ 846 qxl_send_monitors_config(qdev); 847 } 848 849 static void qxl_enc_commit(struct drm_encoder *encoder) 850 { 851 struct qxl_device *qdev = encoder->dev->dev_private; 852 853 qxl_write_monitors_config_for_encoder(qdev, encoder); 854 DRM_DEBUG("\n"); 855 } 856 857 static void qxl_enc_mode_set(struct drm_encoder *encoder, 858 struct drm_display_mode *mode, 859 struct drm_display_mode *adjusted_mode) 860 { 861 DRM_DEBUG("\n"); 862 } 863 864 static int qxl_conn_get_modes(struct drm_connector *connector) 865 { 866 int ret = 0; 867 struct qxl_device *qdev = connector->dev->dev_private; 868 unsigned pwidth = 1024; 869 unsigned pheight = 768; 870 871 DRM_DEBUG_KMS("monitors_config=%p\n", qdev->monitors_config); 872 /* TODO: what should we do here? only show the configured modes for the 873 * device, or allow the full list, or both? */ 874 if (qdev->monitors_config && qdev->monitors_config->count) { 875 ret = qxl_add_monitors_config_modes(connector, &pwidth, &pheight); 876 if (ret < 0) 877 return ret; 878 } 879 ret += qxl_add_common_modes(connector, pwidth, pheight); 880 return ret; 881 } 882 883 static int qxl_conn_mode_valid(struct drm_connector *connector, 884 struct drm_display_mode *mode) 885 { 886 struct drm_device *ddev = connector->dev; 887 struct qxl_device *qdev = ddev->dev_private; 888 int i; 889 890 /* TODO: is this called for user defined modes? (xrandr --add-mode) 891 * TODO: check that the mode fits in the framebuffer */ 892 893 if(qdev->monitors_config_width == mode->hdisplay && 894 qdev->monitors_config_height == mode->vdisplay) 895 return MODE_OK; 896 897 for (i = 0; i < ARRAY_SIZE(common_modes); i++) { 898 if (common_modes[i].w == mode->hdisplay && common_modes[i].h == mode->vdisplay) 899 return MODE_OK; 900 } 901 return MODE_BAD; 902 } 903 904 static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector) 905 { 906 struct qxl_output *qxl_output = 907 drm_connector_to_qxl_output(connector); 908 909 DRM_DEBUG("\n"); 910 return &qxl_output->enc; 911 } 912 913 914 static const struct drm_encoder_helper_funcs qxl_enc_helper_funcs = { 915 .dpms = qxl_enc_dpms, 916 .prepare = qxl_enc_prepare, 917 .mode_set = qxl_enc_mode_set, 918 .commit = qxl_enc_commit, 919 }; 920 921 static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = { 922 .get_modes = qxl_conn_get_modes, 923 .mode_valid = qxl_conn_mode_valid, 924 .best_encoder = qxl_best_encoder, 925 }; 926 927 static enum drm_connector_status qxl_conn_detect( 928 struct drm_connector *connector, 929 bool force) 930 { 931 struct qxl_output *output = 932 drm_connector_to_qxl_output(connector); 933 struct drm_device *ddev = connector->dev; 934 struct qxl_device *qdev = ddev->dev_private; 935 bool connected = false; 936 937 /* The first monitor is always connected */ 938 if (!qdev->client_monitors_config) { 939 if (output->index == 0) 940 connected = true; 941 } else 942 connected = qdev->client_monitors_config->count > output->index && 943 qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]); 944 945 DRM_DEBUG("#%d connected: %d\n", output->index, connected); 946 if (!connected) 947 qxl_monitors_config_set(qdev, output->index, 0, 0, 0, 0, 0); 948 949 return connected ? connector_status_connected 950 : connector_status_disconnected; 951 } 952 953 static int qxl_conn_set_property(struct drm_connector *connector, 954 struct drm_property *property, 955 uint64_t value) 956 { 957 DRM_DEBUG("\n"); 958 return 0; 959 } 960 961 static void qxl_conn_destroy(struct drm_connector *connector) 962 { 963 struct qxl_output *qxl_output = 964 drm_connector_to_qxl_output(connector); 965 966 drm_connector_unregister(connector); 967 drm_connector_cleanup(connector); 968 kfree(qxl_output); 969 } 970 971 static const struct drm_connector_funcs qxl_connector_funcs = { 972 .dpms = drm_helper_connector_dpms, 973 .detect = qxl_conn_detect, 974 .fill_modes = drm_helper_probe_single_connector_modes, 975 .set_property = qxl_conn_set_property, 976 .destroy = qxl_conn_destroy, 977 }; 978 979 static void qxl_enc_destroy(struct drm_encoder *encoder) 980 { 981 drm_encoder_cleanup(encoder); 982 } 983 984 static const struct drm_encoder_funcs qxl_enc_funcs = { 985 .destroy = qxl_enc_destroy, 986 }; 987 988 static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev) 989 { 990 if (qdev->hotplug_mode_update_property) 991 return 0; 992 993 qdev->hotplug_mode_update_property = 994 drm_property_create_range(qdev->ddev, DRM_MODE_PROP_IMMUTABLE, 995 "hotplug_mode_update", 0, 1); 996 997 return 0; 998 } 999 1000 static int qdev_output_init(struct drm_device *dev, int num_output) 1001 { 1002 struct qxl_device *qdev = dev->dev_private; 1003 struct qxl_output *qxl_output; 1004 struct drm_connector *connector; 1005 struct drm_encoder *encoder; 1006 1007 qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL); 1008 if (!qxl_output) 1009 return -ENOMEM; 1010 1011 qxl_output->index = num_output; 1012 1013 connector = &qxl_output->base; 1014 encoder = &qxl_output->enc; 1015 drm_connector_init(dev, &qxl_output->base, 1016 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL); 1017 1018 drm_encoder_init(dev, &qxl_output->enc, &qxl_enc_funcs, 1019 DRM_MODE_ENCODER_VIRTUAL, NULL); 1020 1021 /* we get HPD via client monitors config */ 1022 connector->polled = DRM_CONNECTOR_POLL_HPD; 1023 encoder->possible_crtcs = 1 << num_output; 1024 drm_mode_connector_attach_encoder(&qxl_output->base, 1025 &qxl_output->enc); 1026 drm_encoder_helper_add(encoder, &qxl_enc_helper_funcs); 1027 drm_connector_helper_add(connector, &qxl_connector_helper_funcs); 1028 1029 drm_object_attach_property(&connector->base, 1030 qdev->hotplug_mode_update_property, 0); 1031 drm_object_attach_property(&connector->base, 1032 dev->mode_config.suggested_x_property, 0); 1033 drm_object_attach_property(&connector->base, 1034 dev->mode_config.suggested_y_property, 0); 1035 drm_connector_register(connector); 1036 return 0; 1037 } 1038 1039 static struct drm_framebuffer * 1040 qxl_user_framebuffer_create(struct drm_device *dev, 1041 struct drm_file *file_priv, 1042 const struct drm_mode_fb_cmd2 *mode_cmd) 1043 { 1044 struct drm_gem_object *obj; 1045 struct qxl_framebuffer *qxl_fb; 1046 int ret; 1047 1048 obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]); 1049 if (!obj) 1050 return NULL; 1051 1052 qxl_fb = kzalloc(sizeof(*qxl_fb), GFP_KERNEL); 1053 if (qxl_fb == NULL) 1054 return NULL; 1055 1056 ret = qxl_framebuffer_init(dev, qxl_fb, mode_cmd, obj, &qxl_fb_funcs); 1057 if (ret) { 1058 kfree(qxl_fb); 1059 drm_gem_object_unreference_unlocked(obj); 1060 return NULL; 1061 } 1062 1063 return &qxl_fb->base; 1064 } 1065 1066 static const struct drm_mode_config_funcs qxl_mode_funcs = { 1067 .fb_create = qxl_user_framebuffer_create, 1068 }; 1069 1070 int qxl_create_monitors_object(struct qxl_device *qdev) 1071 { 1072 int ret; 1073 struct drm_gem_object *gobj; 1074 int max_allowed = qxl_num_crtc; 1075 int monitors_config_size = sizeof(struct qxl_monitors_config) + 1076 max_allowed * sizeof(struct qxl_head); 1077 1078 ret = qxl_gem_object_create(qdev, monitors_config_size, 0, 1079 QXL_GEM_DOMAIN_VRAM, 1080 false, false, NULL, &gobj); 1081 if (ret) { 1082 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret); 1083 return -ENOMEM; 1084 } 1085 qdev->monitors_config_bo = gem_to_qxl_bo(gobj); 1086 1087 ret = qxl_bo_reserve(qdev->monitors_config_bo, false); 1088 if (ret) 1089 return ret; 1090 1091 ret = qxl_bo_pin(qdev->monitors_config_bo, QXL_GEM_DOMAIN_VRAM, NULL); 1092 if (ret) { 1093 qxl_bo_unreserve(qdev->monitors_config_bo); 1094 return ret; 1095 } 1096 1097 qxl_bo_unreserve(qdev->monitors_config_bo); 1098 1099 qxl_bo_kmap(qdev->monitors_config_bo, NULL); 1100 1101 qdev->monitors_config = qdev->monitors_config_bo->kptr; 1102 qdev->ram_header->monitors_config = 1103 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0); 1104 1105 memset(qdev->monitors_config, 0, monitors_config_size); 1106 qdev->monitors_config->max_allowed = max_allowed; 1107 return 0; 1108 } 1109 1110 int qxl_destroy_monitors_object(struct qxl_device *qdev) 1111 { 1112 int ret; 1113 1114 qdev->monitors_config = NULL; 1115 qdev->ram_header->monitors_config = 0; 1116 1117 qxl_bo_kunmap(qdev->monitors_config_bo); 1118 ret = qxl_bo_reserve(qdev->monitors_config_bo, false); 1119 if (ret) 1120 return ret; 1121 1122 qxl_bo_unpin(qdev->monitors_config_bo); 1123 qxl_bo_unreserve(qdev->monitors_config_bo); 1124 1125 qxl_bo_unref(&qdev->monitors_config_bo); 1126 return 0; 1127 } 1128 1129 int qxl_modeset_init(struct qxl_device *qdev) 1130 { 1131 int i; 1132 int ret; 1133 1134 drm_mode_config_init(qdev->ddev); 1135 1136 ret = qxl_create_monitors_object(qdev); 1137 if (ret) 1138 return ret; 1139 1140 qdev->ddev->mode_config.funcs = (void *)&qxl_mode_funcs; 1141 1142 /* modes will be validated against the framebuffer size */ 1143 qdev->ddev->mode_config.min_width = 320; 1144 qdev->ddev->mode_config.min_height = 200; 1145 qdev->ddev->mode_config.max_width = 8192; 1146 qdev->ddev->mode_config.max_height = 8192; 1147 1148 qdev->ddev->mode_config.fb_base = qdev->vram_base; 1149 1150 drm_mode_create_suggested_offset_properties(qdev->ddev); 1151 qxl_mode_create_hotplug_mode_update_property(qdev); 1152 1153 for (i = 0 ; i < qxl_num_crtc; ++i) { 1154 qdev_crtc_init(qdev->ddev, i); 1155 qdev_output_init(qdev->ddev, i); 1156 } 1157 1158 qdev->mode_info.mode_config_initialized = true; 1159 1160 /* primary surface must be created by this point, to allow 1161 * issuing command queue commands and having them read by 1162 * spice server. */ 1163 qxl_fbdev_init(qdev); 1164 return 0; 1165 } 1166 1167 void qxl_modeset_fini(struct qxl_device *qdev) 1168 { 1169 qxl_fbdev_fini(qdev); 1170 1171 qxl_destroy_monitors_object(qdev); 1172 if (qdev->mode_info.mode_config_initialized) { 1173 drm_mode_config_cleanup(qdev->ddev); 1174 qdev->mode_info.mode_config_initialized = false; 1175 } 1176 } 1177