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