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_framebuffer *qfb_src = to_qxl_framebuffer(fb); 225 struct qxl_framebuffer *qfb_old = to_qxl_framebuffer(crtc->primary->fb); 226 struct qxl_bo *bo_old = gem_to_qxl_bo(qfb_old->obj); 227 struct qxl_bo *bo = gem_to_qxl_bo(qfb_src->obj); 228 unsigned long flags; 229 struct drm_clip_rect norect = { 230 .x1 = 0, 231 .y1 = 0, 232 .x2 = fb->width, 233 .y2 = fb->height 234 }; 235 int inc = 1; 236 int one_clip_rect = 1; 237 int ret = 0; 238 239 crtc->primary->fb = fb; 240 bo_old->is_primary = false; 241 bo->is_primary = true; 242 243 ret = qxl_bo_reserve(bo, false); 244 if (ret) 245 return ret; 246 ret = qxl_bo_pin(bo, bo->type, NULL); 247 qxl_bo_unreserve(bo); 248 if (ret) 249 return ret; 250 251 qxl_draw_dirty_fb(qdev, qfb_src, bo, 0, 0, 252 &norect, one_clip_rect, inc); 253 254 drm_crtc_vblank_get(crtc); 255 256 if (event) { 257 spin_lock_irqsave(&dev->event_lock, flags); 258 drm_crtc_send_vblank_event(crtc, event); 259 spin_unlock_irqrestore(&dev->event_lock, flags); 260 } 261 drm_crtc_vblank_put(crtc); 262 263 ret = qxl_bo_reserve(bo, false); 264 if (!ret) { 265 qxl_bo_unpin(bo); 266 qxl_bo_unreserve(bo); 267 } 268 269 return 0; 270 } 271 272 static int 273 qxl_hide_cursor(struct qxl_device *qdev) 274 { 275 struct qxl_release *release; 276 struct qxl_cursor_cmd *cmd; 277 int ret; 278 279 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD, 280 &release, NULL); 281 if (ret) 282 return ret; 283 284 ret = qxl_release_reserve_list(release, true); 285 if (ret) { 286 qxl_release_free(qdev, release); 287 return ret; 288 } 289 290 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 291 cmd->type = QXL_CURSOR_HIDE; 292 qxl_release_unmap(qdev, release, &cmd->release_info); 293 294 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 295 qxl_release_fence_buffer_objects(release); 296 return 0; 297 } 298 299 static int qxl_crtc_cursor_set2(struct drm_crtc *crtc, 300 struct drm_file *file_priv, 301 uint32_t handle, 302 uint32_t width, 303 uint32_t height, int32_t hot_x, int32_t hot_y) 304 { 305 struct drm_device *dev = crtc->dev; 306 struct qxl_device *qdev = dev->dev_private; 307 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 308 struct drm_gem_object *obj; 309 struct qxl_cursor *cursor; 310 struct qxl_cursor_cmd *cmd; 311 struct qxl_bo *cursor_bo, *user_bo; 312 struct qxl_release *release; 313 void *user_ptr; 314 315 int size = 64*64*4; 316 int ret = 0; 317 if (!handle) 318 return qxl_hide_cursor(qdev); 319 320 obj = drm_gem_object_lookup(file_priv, handle); 321 if (!obj) { 322 DRM_ERROR("cannot find cursor object\n"); 323 return -ENOENT; 324 } 325 326 user_bo = gem_to_qxl_bo(obj); 327 328 ret = qxl_bo_reserve(user_bo, false); 329 if (ret) 330 goto out_unref; 331 332 ret = qxl_bo_pin(user_bo, QXL_GEM_DOMAIN_CPU, NULL); 333 qxl_bo_unreserve(user_bo); 334 if (ret) 335 goto out_unref; 336 337 ret = qxl_bo_kmap(user_bo, &user_ptr); 338 if (ret) 339 goto out_unpin; 340 341 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), 342 QXL_RELEASE_CURSOR_CMD, 343 &release, NULL); 344 if (ret) 345 goto out_kunmap; 346 347 ret = qxl_alloc_bo_reserved(qdev, release, sizeof(struct qxl_cursor) + size, 348 &cursor_bo); 349 if (ret) 350 goto out_free_release; 351 352 ret = qxl_release_reserve_list(release, false); 353 if (ret) 354 goto out_free_bo; 355 356 ret = qxl_bo_kmap(cursor_bo, (void **)&cursor); 357 if (ret) 358 goto out_backoff; 359 360 cursor->header.unique = 0; 361 cursor->header.type = SPICE_CURSOR_TYPE_ALPHA; 362 cursor->header.width = 64; 363 cursor->header.height = 64; 364 cursor->header.hot_spot_x = hot_x; 365 cursor->header.hot_spot_y = hot_y; 366 cursor->data_size = size; 367 cursor->chunk.next_chunk = 0; 368 cursor->chunk.prev_chunk = 0; 369 cursor->chunk.data_size = size; 370 371 memcpy(cursor->chunk.data, user_ptr, size); 372 373 qxl_bo_kunmap(cursor_bo); 374 375 qxl_bo_kunmap(user_bo); 376 377 qcrtc->cur_x += qcrtc->hot_spot_x - hot_x; 378 qcrtc->cur_y += qcrtc->hot_spot_y - hot_y; 379 qcrtc->hot_spot_x = hot_x; 380 qcrtc->hot_spot_y = hot_y; 381 382 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 383 cmd->type = QXL_CURSOR_SET; 384 cmd->u.set.position.x = qcrtc->cur_x + qcrtc->hot_spot_x; 385 cmd->u.set.position.y = qcrtc->cur_y + qcrtc->hot_spot_y; 386 387 cmd->u.set.shape = qxl_bo_physical_address(qdev, cursor_bo, 0); 388 389 cmd->u.set.visible = 1; 390 qxl_release_unmap(qdev, release, &cmd->release_info); 391 392 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 393 qxl_release_fence_buffer_objects(release); 394 395 /* finish with the userspace bo */ 396 ret = qxl_bo_reserve(user_bo, false); 397 if (!ret) { 398 qxl_bo_unpin(user_bo); 399 qxl_bo_unreserve(user_bo); 400 } 401 drm_gem_object_unreference_unlocked(obj); 402 403 qxl_bo_unref(&cursor_bo); 404 405 return ret; 406 407 out_backoff: 408 qxl_release_backoff_reserve_list(release); 409 out_free_bo: 410 qxl_bo_unref(&cursor_bo); 411 out_free_release: 412 qxl_release_free(qdev, release); 413 out_kunmap: 414 qxl_bo_kunmap(user_bo); 415 out_unpin: 416 qxl_bo_unpin(user_bo); 417 out_unref: 418 drm_gem_object_unreference_unlocked(obj); 419 return ret; 420 } 421 422 static int qxl_crtc_cursor_move(struct drm_crtc *crtc, 423 int x, int y) 424 { 425 struct drm_device *dev = crtc->dev; 426 struct qxl_device *qdev = dev->dev_private; 427 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 428 struct qxl_release *release; 429 struct qxl_cursor_cmd *cmd; 430 int ret; 431 432 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD, 433 &release, NULL); 434 if (ret) 435 return ret; 436 437 ret = qxl_release_reserve_list(release, true); 438 if (ret) { 439 qxl_release_free(qdev, release); 440 return ret; 441 } 442 443 qcrtc->cur_x = x; 444 qcrtc->cur_y = y; 445 446 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 447 cmd->type = QXL_CURSOR_MOVE; 448 cmd->u.position.x = qcrtc->cur_x + qcrtc->hot_spot_x; 449 cmd->u.position.y = qcrtc->cur_y + qcrtc->hot_spot_y; 450 qxl_release_unmap(qdev, release, &cmd->release_info); 451 452 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 453 qxl_release_fence_buffer_objects(release); 454 455 return 0; 456 } 457 458 459 static const struct drm_crtc_funcs qxl_crtc_funcs = { 460 .cursor_set2 = qxl_crtc_cursor_set2, 461 .cursor_move = qxl_crtc_cursor_move, 462 .set_config = drm_crtc_helper_set_config, 463 .destroy = qxl_crtc_destroy, 464 .page_flip = qxl_crtc_page_flip, 465 }; 466 467 void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb) 468 { 469 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb); 470 471 drm_gem_object_unreference_unlocked(qxl_fb->obj); 472 drm_framebuffer_cleanup(fb); 473 kfree(qxl_fb); 474 } 475 476 static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb, 477 struct drm_file *file_priv, 478 unsigned flags, unsigned color, 479 struct drm_clip_rect *clips, 480 unsigned num_clips) 481 { 482 /* TODO: vmwgfx where this was cribbed from had locking. Why? */ 483 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb); 484 struct qxl_device *qdev = qxl_fb->base.dev->dev_private; 485 struct drm_clip_rect norect; 486 struct qxl_bo *qobj; 487 int inc = 1; 488 489 drm_modeset_lock_all(fb->dev); 490 491 qobj = gem_to_qxl_bo(qxl_fb->obj); 492 /* if we aren't primary surface ignore this */ 493 if (!qobj->is_primary) { 494 drm_modeset_unlock_all(fb->dev); 495 return 0; 496 } 497 498 if (!num_clips) { 499 num_clips = 1; 500 clips = &norect; 501 norect.x1 = norect.y1 = 0; 502 norect.x2 = fb->width; 503 norect.y2 = fb->height; 504 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) { 505 num_clips /= 2; 506 inc = 2; /* skip source rects */ 507 } 508 509 qxl_draw_dirty_fb(qdev, qxl_fb, qobj, flags, color, 510 clips, num_clips, inc); 511 512 drm_modeset_unlock_all(fb->dev); 513 514 return 0; 515 } 516 517 static const struct drm_framebuffer_funcs qxl_fb_funcs = { 518 .destroy = qxl_user_framebuffer_destroy, 519 .dirty = qxl_framebuffer_surface_dirty, 520 /* TODO? 521 * .create_handle = qxl_user_framebuffer_create_handle, */ 522 }; 523 524 int 525 qxl_framebuffer_init(struct drm_device *dev, 526 struct qxl_framebuffer *qfb, 527 const struct drm_mode_fb_cmd2 *mode_cmd, 528 struct drm_gem_object *obj, 529 const struct drm_framebuffer_funcs *funcs) 530 { 531 int ret; 532 533 qfb->obj = obj; 534 ret = drm_framebuffer_init(dev, &qfb->base, funcs); 535 if (ret) { 536 qfb->obj = NULL; 537 return ret; 538 } 539 drm_helper_mode_fill_fb_struct(&qfb->base, mode_cmd); 540 return 0; 541 } 542 543 static void qxl_crtc_dpms(struct drm_crtc *crtc, int mode) 544 { 545 } 546 547 static bool qxl_crtc_mode_fixup(struct drm_crtc *crtc, 548 const struct drm_display_mode *mode, 549 struct drm_display_mode *adjusted_mode) 550 { 551 struct drm_device *dev = crtc->dev; 552 struct qxl_device *qdev = dev->dev_private; 553 554 qxl_io_log(qdev, "%s: (%d,%d) => (%d,%d)\n", 555 __func__, 556 mode->hdisplay, mode->vdisplay, 557 adjusted_mode->hdisplay, 558 adjusted_mode->vdisplay); 559 return true; 560 } 561 562 void 563 qxl_send_monitors_config(struct qxl_device *qdev) 564 { 565 int i; 566 567 BUG_ON(!qdev->ram_header->monitors_config); 568 569 if (qdev->monitors_config->count == 0) { 570 qxl_io_log(qdev, "%s: 0 monitors??\n", __func__); 571 return; 572 } 573 for (i = 0 ; i < qdev->monitors_config->count ; ++i) { 574 struct qxl_head *head = &qdev->monitors_config->heads[i]; 575 576 if (head->y > 8192 || head->x > 8192 || 577 head->width > 8192 || head->height > 8192) { 578 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n", 579 i, head->width, head->height, 580 head->x, head->y); 581 return; 582 } 583 } 584 qxl_io_monitors_config(qdev); 585 } 586 587 static void qxl_monitors_config_set(struct qxl_device *qdev, 588 int index, 589 unsigned x, unsigned y, 590 unsigned width, unsigned height, 591 unsigned surf_id) 592 { 593 DRM_DEBUG_KMS("%d:%dx%d+%d+%d\n", index, width, height, x, y); 594 qdev->monitors_config->heads[index].x = x; 595 qdev->monitors_config->heads[index].y = y; 596 qdev->monitors_config->heads[index].width = width; 597 qdev->monitors_config->heads[index].height = height; 598 qdev->monitors_config->heads[index].surface_id = surf_id; 599 600 } 601 602 static int qxl_crtc_mode_set(struct drm_crtc *crtc, 603 struct drm_display_mode *mode, 604 struct drm_display_mode *adjusted_mode, 605 int x, int y, 606 struct drm_framebuffer *old_fb) 607 { 608 struct drm_device *dev = crtc->dev; 609 struct qxl_device *qdev = dev->dev_private; 610 struct qxl_framebuffer *qfb; 611 struct qxl_bo *bo, *old_bo = NULL; 612 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 613 bool recreate_primary = false; 614 int ret; 615 int surf_id; 616 if (!crtc->primary->fb) { 617 DRM_DEBUG_KMS("No FB bound\n"); 618 return 0; 619 } 620 621 if (old_fb) { 622 qfb = to_qxl_framebuffer(old_fb); 623 old_bo = gem_to_qxl_bo(qfb->obj); 624 } 625 qfb = to_qxl_framebuffer(crtc->primary->fb); 626 bo = gem_to_qxl_bo(qfb->obj); 627 DRM_DEBUG("+%d+%d (%d,%d) => (%d,%d)\n", 628 x, y, 629 mode->hdisplay, mode->vdisplay, 630 adjusted_mode->hdisplay, 631 adjusted_mode->vdisplay); 632 633 if (bo->is_primary == false) 634 recreate_primary = true; 635 636 if (bo->surf.stride * bo->surf.height > qdev->vram_size) { 637 DRM_ERROR("Mode doesn't fit in vram size (vgamem)"); 638 return -EINVAL; 639 } 640 641 ret = qxl_bo_reserve(bo, false); 642 if (ret != 0) 643 return ret; 644 ret = qxl_bo_pin(bo, bo->type, NULL); 645 if (ret != 0) { 646 qxl_bo_unreserve(bo); 647 return -EINVAL; 648 } 649 qxl_bo_unreserve(bo); 650 if (recreate_primary) { 651 qxl_io_destroy_primary(qdev); 652 qxl_io_log(qdev, 653 "recreate primary: %dx%d,%d,%d\n", 654 bo->surf.width, bo->surf.height, 655 bo->surf.stride, bo->surf.format); 656 qxl_io_create_primary(qdev, 0, bo); 657 bo->is_primary = true; 658 } 659 660 if (bo->is_primary) { 661 DRM_DEBUG_KMS("setting surface_id to 0 for primary surface %d on crtc %d\n", bo->surface_id, qcrtc->index); 662 surf_id = 0; 663 } else { 664 surf_id = bo->surface_id; 665 } 666 667 if (old_bo && old_bo != bo) { 668 old_bo->is_primary = false; 669 ret = qxl_bo_reserve(old_bo, false); 670 qxl_bo_unpin(old_bo); 671 qxl_bo_unreserve(old_bo); 672 } 673 674 qxl_monitors_config_set(qdev, qcrtc->index, x, y, 675 mode->hdisplay, 676 mode->vdisplay, surf_id); 677 return 0; 678 } 679 680 static void qxl_crtc_prepare(struct drm_crtc *crtc) 681 { 682 DRM_DEBUG("current: %dx%d+%d+%d (%d).\n", 683 crtc->mode.hdisplay, crtc->mode.vdisplay, 684 crtc->x, crtc->y, crtc->enabled); 685 } 686 687 static void qxl_crtc_commit(struct drm_crtc *crtc) 688 { 689 DRM_DEBUG("\n"); 690 } 691 692 static void qxl_crtc_disable(struct drm_crtc *crtc) 693 { 694 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 695 struct drm_device *dev = crtc->dev; 696 struct qxl_device *qdev = dev->dev_private; 697 if (crtc->primary->fb) { 698 struct qxl_framebuffer *qfb = to_qxl_framebuffer(crtc->primary->fb); 699 struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj); 700 int ret; 701 ret = qxl_bo_reserve(bo, false); 702 qxl_bo_unpin(bo); 703 qxl_bo_unreserve(bo); 704 crtc->primary->fb = NULL; 705 } 706 707 qxl_monitors_config_set(qdev, qcrtc->index, 0, 0, 0, 0, 0); 708 709 qxl_send_monitors_config(qdev); 710 } 711 712 static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = { 713 .dpms = qxl_crtc_dpms, 714 .disable = qxl_crtc_disable, 715 .mode_fixup = qxl_crtc_mode_fixup, 716 .mode_set = qxl_crtc_mode_set, 717 .prepare = qxl_crtc_prepare, 718 .commit = qxl_crtc_commit, 719 }; 720 721 static int qdev_crtc_init(struct drm_device *dev, int crtc_id) 722 { 723 struct qxl_crtc *qxl_crtc; 724 725 qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL); 726 if (!qxl_crtc) 727 return -ENOMEM; 728 729 drm_crtc_init(dev, &qxl_crtc->base, &qxl_crtc_funcs); 730 qxl_crtc->index = crtc_id; 731 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs); 732 return 0; 733 } 734 735 static void qxl_enc_dpms(struct drm_encoder *encoder, int mode) 736 { 737 DRM_DEBUG("\n"); 738 } 739 740 static void qxl_enc_prepare(struct drm_encoder *encoder) 741 { 742 DRM_DEBUG("\n"); 743 } 744 745 static void qxl_write_monitors_config_for_encoder(struct qxl_device *qdev, 746 struct drm_encoder *encoder) 747 { 748 int i; 749 struct qxl_output *output = drm_encoder_to_qxl_output(encoder); 750 struct qxl_head *head; 751 struct drm_display_mode *mode; 752 753 BUG_ON(!encoder); 754 /* TODO: ugly, do better */ 755 i = output->index; 756 if (!qdev->monitors_config || 757 qdev->monitors_config->max_allowed <= i) { 758 DRM_ERROR( 759 "head number too large or missing monitors config: %p, %d", 760 qdev->monitors_config, 761 qdev->monitors_config ? 762 qdev->monitors_config->max_allowed : -1); 763 return; 764 } 765 if (!encoder->crtc) { 766 DRM_ERROR("missing crtc on encoder %p\n", encoder); 767 return; 768 } 769 if (i != 0) 770 DRM_DEBUG("missing for multiple monitors: no head holes\n"); 771 head = &qdev->monitors_config->heads[i]; 772 head->id = i; 773 if (encoder->crtc->enabled) { 774 mode = &encoder->crtc->mode; 775 head->width = mode->hdisplay; 776 head->height = mode->vdisplay; 777 head->x = encoder->crtc->x; 778 head->y = encoder->crtc->y; 779 if (qdev->monitors_config->count < i + 1) 780 qdev->monitors_config->count = i + 1; 781 } else { 782 head->width = 0; 783 head->height = 0; 784 head->x = 0; 785 head->y = 0; 786 } 787 DRM_DEBUG_KMS("setting head %d to +%d+%d %dx%d out of %d\n", 788 i, head->x, head->y, head->width, head->height, qdev->monitors_config->count); 789 head->flags = 0; 790 /* TODO - somewhere else to call this for multiple monitors 791 * (config_commit?) */ 792 qxl_send_monitors_config(qdev); 793 } 794 795 static void qxl_enc_commit(struct drm_encoder *encoder) 796 { 797 struct qxl_device *qdev = encoder->dev->dev_private; 798 799 qxl_write_monitors_config_for_encoder(qdev, encoder); 800 DRM_DEBUG("\n"); 801 } 802 803 static void qxl_enc_mode_set(struct drm_encoder *encoder, 804 struct drm_display_mode *mode, 805 struct drm_display_mode *adjusted_mode) 806 { 807 DRM_DEBUG("\n"); 808 } 809 810 static int qxl_conn_get_modes(struct drm_connector *connector) 811 { 812 int ret = 0; 813 struct qxl_device *qdev = connector->dev->dev_private; 814 unsigned pwidth = 1024; 815 unsigned pheight = 768; 816 817 DRM_DEBUG_KMS("monitors_config=%p\n", qdev->monitors_config); 818 /* TODO: what should we do here? only show the configured modes for the 819 * device, or allow the full list, or both? */ 820 if (qdev->monitors_config && qdev->monitors_config->count) { 821 ret = qxl_add_monitors_config_modes(connector, &pwidth, &pheight); 822 if (ret < 0) 823 return ret; 824 } 825 ret += qxl_add_common_modes(connector, pwidth, pheight); 826 return ret; 827 } 828 829 static int qxl_conn_mode_valid(struct drm_connector *connector, 830 struct drm_display_mode *mode) 831 { 832 struct drm_device *ddev = connector->dev; 833 struct qxl_device *qdev = ddev->dev_private; 834 int i; 835 836 /* TODO: is this called for user defined modes? (xrandr --add-mode) 837 * TODO: check that the mode fits in the framebuffer */ 838 839 if(qdev->monitors_config_width == mode->hdisplay && 840 qdev->monitors_config_height == mode->vdisplay) 841 return MODE_OK; 842 843 for (i = 0; i < ARRAY_SIZE(common_modes); i++) { 844 if (common_modes[i].w == mode->hdisplay && common_modes[i].h == mode->vdisplay) 845 return MODE_OK; 846 } 847 return MODE_BAD; 848 } 849 850 static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector) 851 { 852 struct qxl_output *qxl_output = 853 drm_connector_to_qxl_output(connector); 854 855 DRM_DEBUG("\n"); 856 return &qxl_output->enc; 857 } 858 859 860 static const struct drm_encoder_helper_funcs qxl_enc_helper_funcs = { 861 .dpms = qxl_enc_dpms, 862 .prepare = qxl_enc_prepare, 863 .mode_set = qxl_enc_mode_set, 864 .commit = qxl_enc_commit, 865 }; 866 867 static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = { 868 .get_modes = qxl_conn_get_modes, 869 .mode_valid = qxl_conn_mode_valid, 870 .best_encoder = qxl_best_encoder, 871 }; 872 873 static enum drm_connector_status qxl_conn_detect( 874 struct drm_connector *connector, 875 bool force) 876 { 877 struct qxl_output *output = 878 drm_connector_to_qxl_output(connector); 879 struct drm_device *ddev = connector->dev; 880 struct qxl_device *qdev = ddev->dev_private; 881 bool connected = false; 882 883 /* The first monitor is always connected */ 884 if (!qdev->client_monitors_config) { 885 if (output->index == 0) 886 connected = true; 887 } else 888 connected = qdev->client_monitors_config->count > output->index && 889 qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]); 890 891 DRM_DEBUG("#%d connected: %d\n", output->index, connected); 892 if (!connected) 893 qxl_monitors_config_set(qdev, output->index, 0, 0, 0, 0, 0); 894 895 return connected ? connector_status_connected 896 : connector_status_disconnected; 897 } 898 899 static int qxl_conn_set_property(struct drm_connector *connector, 900 struct drm_property *property, 901 uint64_t value) 902 { 903 DRM_DEBUG("\n"); 904 return 0; 905 } 906 907 static void qxl_conn_destroy(struct drm_connector *connector) 908 { 909 struct qxl_output *qxl_output = 910 drm_connector_to_qxl_output(connector); 911 912 drm_connector_unregister(connector); 913 drm_connector_cleanup(connector); 914 kfree(qxl_output); 915 } 916 917 static const struct drm_connector_funcs qxl_connector_funcs = { 918 .dpms = drm_helper_connector_dpms, 919 .detect = qxl_conn_detect, 920 .fill_modes = drm_helper_probe_single_connector_modes, 921 .set_property = qxl_conn_set_property, 922 .destroy = qxl_conn_destroy, 923 }; 924 925 static void qxl_enc_destroy(struct drm_encoder *encoder) 926 { 927 drm_encoder_cleanup(encoder); 928 } 929 930 static const struct drm_encoder_funcs qxl_enc_funcs = { 931 .destroy = qxl_enc_destroy, 932 }; 933 934 static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev) 935 { 936 if (qdev->hotplug_mode_update_property) 937 return 0; 938 939 qdev->hotplug_mode_update_property = 940 drm_property_create_range(qdev->ddev, DRM_MODE_PROP_IMMUTABLE, 941 "hotplug_mode_update", 0, 1); 942 943 return 0; 944 } 945 946 static int qdev_output_init(struct drm_device *dev, int num_output) 947 { 948 struct qxl_device *qdev = dev->dev_private; 949 struct qxl_output *qxl_output; 950 struct drm_connector *connector; 951 struct drm_encoder *encoder; 952 953 qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL); 954 if (!qxl_output) 955 return -ENOMEM; 956 957 qxl_output->index = num_output; 958 959 connector = &qxl_output->base; 960 encoder = &qxl_output->enc; 961 drm_connector_init(dev, &qxl_output->base, 962 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL); 963 964 drm_encoder_init(dev, &qxl_output->enc, &qxl_enc_funcs, 965 DRM_MODE_ENCODER_VIRTUAL, NULL); 966 967 /* we get HPD via client monitors config */ 968 connector->polled = DRM_CONNECTOR_POLL_HPD; 969 encoder->possible_crtcs = 1 << num_output; 970 drm_mode_connector_attach_encoder(&qxl_output->base, 971 &qxl_output->enc); 972 drm_encoder_helper_add(encoder, &qxl_enc_helper_funcs); 973 drm_connector_helper_add(connector, &qxl_connector_helper_funcs); 974 975 drm_object_attach_property(&connector->base, 976 qdev->hotplug_mode_update_property, 0); 977 drm_object_attach_property(&connector->base, 978 dev->mode_config.suggested_x_property, 0); 979 drm_object_attach_property(&connector->base, 980 dev->mode_config.suggested_y_property, 0); 981 drm_connector_register(connector); 982 return 0; 983 } 984 985 static struct drm_framebuffer * 986 qxl_user_framebuffer_create(struct drm_device *dev, 987 struct drm_file *file_priv, 988 const struct drm_mode_fb_cmd2 *mode_cmd) 989 { 990 struct drm_gem_object *obj; 991 struct qxl_framebuffer *qxl_fb; 992 int ret; 993 994 obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]); 995 if (!obj) 996 return NULL; 997 998 qxl_fb = kzalloc(sizeof(*qxl_fb), GFP_KERNEL); 999 if (qxl_fb == NULL) 1000 return NULL; 1001 1002 ret = qxl_framebuffer_init(dev, qxl_fb, mode_cmd, obj, &qxl_fb_funcs); 1003 if (ret) { 1004 kfree(qxl_fb); 1005 drm_gem_object_unreference_unlocked(obj); 1006 return NULL; 1007 } 1008 1009 return &qxl_fb->base; 1010 } 1011 1012 static const struct drm_mode_config_funcs qxl_mode_funcs = { 1013 .fb_create = qxl_user_framebuffer_create, 1014 }; 1015 1016 int qxl_create_monitors_object(struct qxl_device *qdev) 1017 { 1018 int ret; 1019 struct drm_gem_object *gobj; 1020 int max_allowed = qxl_num_crtc; 1021 int monitors_config_size = sizeof(struct qxl_monitors_config) + 1022 max_allowed * sizeof(struct qxl_head); 1023 1024 ret = qxl_gem_object_create(qdev, monitors_config_size, 0, 1025 QXL_GEM_DOMAIN_VRAM, 1026 false, false, NULL, &gobj); 1027 if (ret) { 1028 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret); 1029 return -ENOMEM; 1030 } 1031 qdev->monitors_config_bo = gem_to_qxl_bo(gobj); 1032 1033 ret = qxl_bo_reserve(qdev->monitors_config_bo, false); 1034 if (ret) 1035 return ret; 1036 1037 ret = qxl_bo_pin(qdev->monitors_config_bo, QXL_GEM_DOMAIN_VRAM, NULL); 1038 if (ret) { 1039 qxl_bo_unreserve(qdev->monitors_config_bo); 1040 return ret; 1041 } 1042 1043 qxl_bo_unreserve(qdev->monitors_config_bo); 1044 1045 qxl_bo_kmap(qdev->monitors_config_bo, NULL); 1046 1047 qdev->monitors_config = qdev->monitors_config_bo->kptr; 1048 qdev->ram_header->monitors_config = 1049 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0); 1050 1051 memset(qdev->monitors_config, 0, monitors_config_size); 1052 qdev->monitors_config->max_allowed = max_allowed; 1053 return 0; 1054 } 1055 1056 int qxl_destroy_monitors_object(struct qxl_device *qdev) 1057 { 1058 int ret; 1059 1060 qdev->monitors_config = NULL; 1061 qdev->ram_header->monitors_config = 0; 1062 1063 qxl_bo_kunmap(qdev->monitors_config_bo); 1064 ret = qxl_bo_reserve(qdev->monitors_config_bo, false); 1065 if (ret) 1066 return ret; 1067 1068 qxl_bo_unpin(qdev->monitors_config_bo); 1069 qxl_bo_unreserve(qdev->monitors_config_bo); 1070 1071 qxl_bo_unref(&qdev->monitors_config_bo); 1072 return 0; 1073 } 1074 1075 int qxl_modeset_init(struct qxl_device *qdev) 1076 { 1077 int i; 1078 int ret; 1079 1080 drm_mode_config_init(qdev->ddev); 1081 1082 ret = qxl_create_monitors_object(qdev); 1083 if (ret) 1084 return ret; 1085 1086 qdev->ddev->mode_config.funcs = (void *)&qxl_mode_funcs; 1087 1088 /* modes will be validated against the framebuffer size */ 1089 qdev->ddev->mode_config.min_width = 320; 1090 qdev->ddev->mode_config.min_height = 200; 1091 qdev->ddev->mode_config.max_width = 8192; 1092 qdev->ddev->mode_config.max_height = 8192; 1093 1094 qdev->ddev->mode_config.fb_base = qdev->vram_base; 1095 1096 drm_mode_create_suggested_offset_properties(qdev->ddev); 1097 qxl_mode_create_hotplug_mode_update_property(qdev); 1098 1099 for (i = 0 ; i < qxl_num_crtc; ++i) { 1100 qdev_crtc_init(qdev->ddev, i); 1101 qdev_output_init(qdev->ddev, i); 1102 } 1103 1104 qdev->mode_info.mode_config_initialized = true; 1105 1106 /* primary surface must be created by this point, to allow 1107 * issuing command queue commands and having them read by 1108 * spice server. */ 1109 qxl_fbdev_init(qdev); 1110 return 0; 1111 } 1112 1113 void qxl_modeset_fini(struct qxl_device *qdev) 1114 { 1115 qxl_fbdev_fini(qdev); 1116 1117 qxl_destroy_monitors_object(qdev); 1118 if (qdev->mode_info.mode_config_initialized) { 1119 drm_mode_config_cleanup(qdev->ddev); 1120 qdev->mode_info.mode_config_initialized = false; 1121 } 1122 } 1123