1 /* 2 * Copyright 2013 Red Hat Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: Dave Airlie 23 * Alon Levy 24 */ 25 26 27 #include <linux/crc32.h> 28 29 #include "qxl_drv.h" 30 #include "qxl_object.h" 31 #include "drm_crtc_helper.h" 32 #include <drm/drm_plane_helper.h> 33 34 static bool qxl_head_enabled(struct qxl_head *head) 35 { 36 return head->width && head->height; 37 } 38 39 void qxl_alloc_client_monitors_config(struct qxl_device *qdev, unsigned count) 40 { 41 if (qdev->client_monitors_config && 42 count > qdev->client_monitors_config->count) { 43 kfree(qdev->client_monitors_config); 44 qdev->client_monitors_config = NULL; 45 } 46 if (!qdev->client_monitors_config) { 47 qdev->client_monitors_config = kzalloc( 48 sizeof(struct qxl_monitors_config) + 49 sizeof(struct qxl_head) * count, GFP_KERNEL); 50 if (!qdev->client_monitors_config) { 51 qxl_io_log(qdev, 52 "%s: allocation failure for %u heads\n", 53 __func__, count); 54 return; 55 } 56 } 57 qdev->client_monitors_config->count = count; 58 } 59 60 static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev) 61 { 62 int i; 63 int num_monitors; 64 uint32_t crc; 65 66 num_monitors = qdev->rom->client_monitors_config.count; 67 crc = crc32(0, (const uint8_t *)&qdev->rom->client_monitors_config, 68 sizeof(qdev->rom->client_monitors_config)); 69 if (crc != qdev->rom->client_monitors_config_crc) { 70 qxl_io_log(qdev, "crc mismatch: have %X (%zd) != %X\n", crc, 71 sizeof(qdev->rom->client_monitors_config), 72 qdev->rom->client_monitors_config_crc); 73 return 1; 74 } 75 if (num_monitors > qdev->monitors_config->max_allowed) { 76 DRM_DEBUG_KMS("client monitors list will be truncated: %d < %d\n", 77 qdev->monitors_config->max_allowed, num_monitors); 78 num_monitors = qdev->monitors_config->max_allowed; 79 } else { 80 num_monitors = qdev->rom->client_monitors_config.count; 81 } 82 qxl_alloc_client_monitors_config(qdev, num_monitors); 83 /* we copy max from the client but it isn't used */ 84 qdev->client_monitors_config->max_allowed = 85 qdev->monitors_config->max_allowed; 86 for (i = 0 ; i < qdev->client_monitors_config->count ; ++i) { 87 struct qxl_urect *c_rect = 88 &qdev->rom->client_monitors_config.heads[i]; 89 struct qxl_head *client_head = 90 &qdev->client_monitors_config->heads[i]; 91 client_head->x = c_rect->left; 92 client_head->y = c_rect->top; 93 client_head->width = c_rect->right - c_rect->left; 94 client_head->height = c_rect->bottom - c_rect->top; 95 client_head->surface_id = 0; 96 client_head->id = i; 97 client_head->flags = 0; 98 DRM_DEBUG_KMS("read %dx%d+%d+%d\n", client_head->width, client_head->height, 99 client_head->x, client_head->y); 100 } 101 return 0; 102 } 103 104 static void qxl_update_offset_props(struct qxl_device *qdev) 105 { 106 struct drm_device *dev = qdev->ddev; 107 struct drm_connector *connector; 108 struct qxl_output *output; 109 struct qxl_head *head; 110 111 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 112 output = drm_connector_to_qxl_output(connector); 113 114 head = &qdev->client_monitors_config->heads[output->index]; 115 116 drm_object_property_set_value(&connector->base, 117 dev->mode_config.suggested_x_property, head->x); 118 drm_object_property_set_value(&connector->base, 119 dev->mode_config.suggested_y_property, head->y); 120 } 121 } 122 123 void qxl_display_read_client_monitors_config(struct qxl_device *qdev) 124 { 125 126 struct drm_device *dev = qdev->ddev; 127 while (qxl_display_copy_rom_client_monitors_config(qdev)) { 128 qxl_io_log(qdev, "failed crc check for client_monitors_config," 129 " retrying\n"); 130 } 131 132 drm_modeset_lock_all(dev); 133 qxl_update_offset_props(qdev); 134 drm_modeset_unlock_all(dev); 135 if (!drm_helper_hpd_irq_event(qdev->ddev)) { 136 /* notify that the monitor configuration changed, to 137 adjust at the arbitrary resolution */ 138 drm_kms_helper_hotplug_event(qdev->ddev); 139 } 140 } 141 142 static int qxl_add_monitors_config_modes(struct drm_connector *connector, 143 unsigned *pwidth, 144 unsigned *pheight) 145 { 146 struct drm_device *dev = connector->dev; 147 struct qxl_device *qdev = dev->dev_private; 148 struct qxl_output *output = drm_connector_to_qxl_output(connector); 149 int h = output->index; 150 struct drm_display_mode *mode = NULL; 151 struct qxl_head *head; 152 153 if (!qdev->client_monitors_config) 154 return 0; 155 head = &qdev->client_monitors_config->heads[h]; 156 157 mode = drm_cvt_mode(dev, head->width, head->height, 60, false, false, 158 false); 159 mode->type |= DRM_MODE_TYPE_PREFERRED; 160 *pwidth = head->width; 161 *pheight = head->height; 162 drm_mode_probed_add(connector, mode); 163 /* remember the last custom size for mode validation */ 164 qdev->monitors_config_width = mode->hdisplay; 165 qdev->monitors_config_height = mode->vdisplay; 166 return 1; 167 } 168 169 static struct mode_size { 170 int w; 171 int h; 172 } common_modes[] = { 173 { 640, 480}, 174 { 720, 480}, 175 { 800, 600}, 176 { 848, 480}, 177 {1024, 768}, 178 {1152, 768}, 179 {1280, 720}, 180 {1280, 800}, 181 {1280, 854}, 182 {1280, 960}, 183 {1280, 1024}, 184 {1440, 900}, 185 {1400, 1050}, 186 {1680, 1050}, 187 {1600, 1200}, 188 {1920, 1080}, 189 {1920, 1200} 190 }; 191 192 static int qxl_add_common_modes(struct drm_connector *connector, 193 unsigned pwidth, 194 unsigned pheight) 195 { 196 struct drm_device *dev = connector->dev; 197 struct drm_display_mode *mode = NULL; 198 int i; 199 for (i = 0; i < ARRAY_SIZE(common_modes); i++) { 200 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 201 60, false, false, false); 202 if (common_modes[i].w == pwidth && common_modes[i].h == pheight) 203 mode->type |= DRM_MODE_TYPE_PREFERRED; 204 drm_mode_probed_add(connector, mode); 205 } 206 return i - 1; 207 } 208 209 static void qxl_crtc_destroy(struct drm_crtc *crtc) 210 { 211 struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc); 212 213 drm_crtc_cleanup(crtc); 214 kfree(qxl_crtc); 215 } 216 217 static int qxl_crtc_page_flip(struct drm_crtc *crtc, 218 struct drm_framebuffer *fb, 219 struct drm_pending_vblank_event *event, 220 uint32_t page_flip_flags) 221 { 222 struct drm_device *dev = crtc->dev; 223 struct qxl_device *qdev = dev->dev_private; 224 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 225 struct qxl_framebuffer *qfb_src = to_qxl_framebuffer(fb); 226 struct qxl_framebuffer *qfb_old = to_qxl_framebuffer(crtc->primary->fb); 227 struct qxl_bo *bo_old = gem_to_qxl_bo(qfb_old->obj); 228 struct qxl_bo *bo = gem_to_qxl_bo(qfb_src->obj); 229 unsigned long flags; 230 struct drm_clip_rect norect = { 231 .x1 = 0, 232 .y1 = 0, 233 .x2 = fb->width, 234 .y2 = fb->height 235 }; 236 int inc = 1; 237 int one_clip_rect = 1; 238 int ret = 0; 239 240 crtc->primary->fb = fb; 241 bo_old->is_primary = false; 242 bo->is_primary = true; 243 244 ret = qxl_bo_reserve(bo, false); 245 if (ret) 246 return ret; 247 ret = qxl_bo_pin(bo, bo->type, NULL); 248 qxl_bo_unreserve(bo); 249 if (ret) 250 return ret; 251 252 qxl_draw_dirty_fb(qdev, qfb_src, bo, 0, 0, 253 &norect, one_clip_rect, inc); 254 255 drm_vblank_get(dev, qcrtc->index); 256 257 if (event) { 258 spin_lock_irqsave(&dev->event_lock, flags); 259 drm_send_vblank_event(dev, qcrtc->index, event); 260 spin_unlock_irqrestore(&dev->event_lock, flags); 261 } 262 drm_vblank_put(dev, qcrtc->index); 263 264 ret = qxl_bo_reserve(bo, false); 265 if (!ret) { 266 qxl_bo_unpin(bo); 267 qxl_bo_unreserve(bo); 268 } 269 270 return 0; 271 } 272 273 static int 274 qxl_hide_cursor(struct qxl_device *qdev) 275 { 276 struct qxl_release *release; 277 struct qxl_cursor_cmd *cmd; 278 int ret; 279 280 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD, 281 &release, NULL); 282 if (ret) 283 return ret; 284 285 ret = qxl_release_reserve_list(release, true); 286 if (ret) { 287 qxl_release_free(qdev, release); 288 return ret; 289 } 290 291 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 292 cmd->type = QXL_CURSOR_HIDE; 293 qxl_release_unmap(qdev, release, &cmd->release_info); 294 295 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 296 qxl_release_fence_buffer_objects(release); 297 return 0; 298 } 299 300 static int qxl_crtc_cursor_set2(struct drm_crtc *crtc, 301 struct drm_file *file_priv, 302 uint32_t handle, 303 uint32_t width, 304 uint32_t height, int32_t hot_x, int32_t hot_y) 305 { 306 struct drm_device *dev = crtc->dev; 307 struct qxl_device *qdev = dev->dev_private; 308 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 309 struct drm_gem_object *obj; 310 struct qxl_cursor *cursor; 311 struct qxl_cursor_cmd *cmd; 312 struct qxl_bo *cursor_bo, *user_bo; 313 struct qxl_release *release; 314 void *user_ptr; 315 316 int size = 64*64*4; 317 int ret = 0; 318 if (!handle) 319 return qxl_hide_cursor(qdev); 320 321 obj = drm_gem_object_lookup(file_priv, handle); 322 if (!obj) { 323 DRM_ERROR("cannot find cursor object\n"); 324 return -ENOENT; 325 } 326 327 user_bo = gem_to_qxl_bo(obj); 328 329 ret = qxl_bo_reserve(user_bo, false); 330 if (ret) 331 goto out_unref; 332 333 ret = qxl_bo_pin(user_bo, QXL_GEM_DOMAIN_CPU, NULL); 334 qxl_bo_unreserve(user_bo); 335 if (ret) 336 goto out_unref; 337 338 ret = qxl_bo_kmap(user_bo, &user_ptr); 339 if (ret) 340 goto out_unpin; 341 342 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), 343 QXL_RELEASE_CURSOR_CMD, 344 &release, NULL); 345 if (ret) 346 goto out_kunmap; 347 348 ret = qxl_alloc_bo_reserved(qdev, release, sizeof(struct qxl_cursor) + size, 349 &cursor_bo); 350 if (ret) 351 goto out_free_release; 352 353 ret = qxl_release_reserve_list(release, false); 354 if (ret) 355 goto out_free_bo; 356 357 ret = qxl_bo_kmap(cursor_bo, (void **)&cursor); 358 if (ret) 359 goto out_backoff; 360 361 cursor->header.unique = 0; 362 cursor->header.type = SPICE_CURSOR_TYPE_ALPHA; 363 cursor->header.width = 64; 364 cursor->header.height = 64; 365 cursor->header.hot_spot_x = hot_x; 366 cursor->header.hot_spot_y = hot_y; 367 cursor->data_size = size; 368 cursor->chunk.next_chunk = 0; 369 cursor->chunk.prev_chunk = 0; 370 cursor->chunk.data_size = size; 371 372 memcpy(cursor->chunk.data, user_ptr, size); 373 374 qxl_bo_kunmap(cursor_bo); 375 376 qxl_bo_kunmap(user_bo); 377 378 qcrtc->cur_x += qcrtc->hot_spot_x - hot_x; 379 qcrtc->cur_y += qcrtc->hot_spot_y - hot_y; 380 qcrtc->hot_spot_x = hot_x; 381 qcrtc->hot_spot_y = hot_y; 382 383 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 384 cmd->type = QXL_CURSOR_SET; 385 cmd->u.set.position.x = qcrtc->cur_x + qcrtc->hot_spot_x; 386 cmd->u.set.position.y = qcrtc->cur_y + qcrtc->hot_spot_y; 387 388 cmd->u.set.shape = qxl_bo_physical_address(qdev, cursor_bo, 0); 389 390 cmd->u.set.visible = 1; 391 qxl_release_unmap(qdev, release, &cmd->release_info); 392 393 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 394 qxl_release_fence_buffer_objects(release); 395 396 /* finish with the userspace bo */ 397 ret = qxl_bo_reserve(user_bo, false); 398 if (!ret) { 399 qxl_bo_unpin(user_bo); 400 qxl_bo_unreserve(user_bo); 401 } 402 drm_gem_object_unreference_unlocked(obj); 403 404 qxl_bo_unref(&cursor_bo); 405 406 return ret; 407 408 out_backoff: 409 qxl_release_backoff_reserve_list(release); 410 out_free_bo: 411 qxl_bo_unref(&cursor_bo); 412 out_free_release: 413 qxl_release_free(qdev, release); 414 out_kunmap: 415 qxl_bo_kunmap(user_bo); 416 out_unpin: 417 qxl_bo_unpin(user_bo); 418 out_unref: 419 drm_gem_object_unreference_unlocked(obj); 420 return ret; 421 } 422 423 static int qxl_crtc_cursor_move(struct drm_crtc *crtc, 424 int x, int y) 425 { 426 struct drm_device *dev = crtc->dev; 427 struct qxl_device *qdev = dev->dev_private; 428 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 429 struct qxl_release *release; 430 struct qxl_cursor_cmd *cmd; 431 int ret; 432 433 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD, 434 &release, NULL); 435 if (ret) 436 return ret; 437 438 ret = qxl_release_reserve_list(release, true); 439 if (ret) { 440 qxl_release_free(qdev, release); 441 return ret; 442 } 443 444 qcrtc->cur_x = x; 445 qcrtc->cur_y = y; 446 447 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 448 cmd->type = QXL_CURSOR_MOVE; 449 cmd->u.position.x = qcrtc->cur_x + qcrtc->hot_spot_x; 450 cmd->u.position.y = qcrtc->cur_y + qcrtc->hot_spot_y; 451 qxl_release_unmap(qdev, release, &cmd->release_info); 452 453 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 454 qxl_release_fence_buffer_objects(release); 455 456 return 0; 457 } 458 459 460 static const struct drm_crtc_funcs qxl_crtc_funcs = { 461 .cursor_set2 = qxl_crtc_cursor_set2, 462 .cursor_move = qxl_crtc_cursor_move, 463 .set_config = drm_crtc_helper_set_config, 464 .destroy = qxl_crtc_destroy, 465 .page_flip = qxl_crtc_page_flip, 466 }; 467 468 void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb) 469 { 470 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb); 471 472 if (qxl_fb->obj) 473 drm_gem_object_unreference_unlocked(qxl_fb->obj); 474 drm_framebuffer_cleanup(fb); 475 kfree(qxl_fb); 476 } 477 478 static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb, 479 struct drm_file *file_priv, 480 unsigned flags, unsigned color, 481 struct drm_clip_rect *clips, 482 unsigned num_clips) 483 { 484 /* TODO: vmwgfx where this was cribbed from had locking. Why? */ 485 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb); 486 struct qxl_device *qdev = qxl_fb->base.dev->dev_private; 487 struct drm_clip_rect norect; 488 struct qxl_bo *qobj; 489 int inc = 1; 490 491 drm_modeset_lock_all(fb->dev); 492 493 qobj = gem_to_qxl_bo(qxl_fb->obj); 494 /* if we aren't primary surface ignore this */ 495 if (!qobj->is_primary) { 496 drm_modeset_unlock_all(fb->dev); 497 return 0; 498 } 499 500 if (!num_clips) { 501 num_clips = 1; 502 clips = &norect; 503 norect.x1 = norect.y1 = 0; 504 norect.x2 = fb->width; 505 norect.y2 = fb->height; 506 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) { 507 num_clips /= 2; 508 inc = 2; /* skip source rects */ 509 } 510 511 qxl_draw_dirty_fb(qdev, qxl_fb, qobj, flags, color, 512 clips, num_clips, inc); 513 514 drm_modeset_unlock_all(fb->dev); 515 516 return 0; 517 } 518 519 static const struct drm_framebuffer_funcs qxl_fb_funcs = { 520 .destroy = qxl_user_framebuffer_destroy, 521 .dirty = qxl_framebuffer_surface_dirty, 522 /* TODO? 523 * .create_handle = qxl_user_framebuffer_create_handle, */ 524 }; 525 526 int 527 qxl_framebuffer_init(struct drm_device *dev, 528 struct qxl_framebuffer *qfb, 529 const struct drm_mode_fb_cmd2 *mode_cmd, 530 struct drm_gem_object *obj, 531 const struct drm_framebuffer_funcs *funcs) 532 { 533 int ret; 534 535 qfb->obj = obj; 536 ret = drm_framebuffer_init(dev, &qfb->base, funcs); 537 if (ret) { 538 qfb->obj = NULL; 539 return ret; 540 } 541 drm_helper_mode_fill_fb_struct(&qfb->base, mode_cmd); 542 return 0; 543 } 544 545 static void qxl_crtc_dpms(struct drm_crtc *crtc, int mode) 546 { 547 } 548 549 static bool qxl_crtc_mode_fixup(struct drm_crtc *crtc, 550 const struct drm_display_mode *mode, 551 struct drm_display_mode *adjusted_mode) 552 { 553 struct drm_device *dev = crtc->dev; 554 struct qxl_device *qdev = dev->dev_private; 555 556 qxl_io_log(qdev, "%s: (%d,%d) => (%d,%d)\n", 557 __func__, 558 mode->hdisplay, mode->vdisplay, 559 adjusted_mode->hdisplay, 560 adjusted_mode->vdisplay); 561 return true; 562 } 563 564 void 565 qxl_send_monitors_config(struct qxl_device *qdev) 566 { 567 int i; 568 569 BUG_ON(!qdev->ram_header->monitors_config); 570 571 if (qdev->monitors_config->count == 0) { 572 qxl_io_log(qdev, "%s: 0 monitors??\n", __func__); 573 return; 574 } 575 for (i = 0 ; i < qdev->monitors_config->count ; ++i) { 576 struct qxl_head *head = &qdev->monitors_config->heads[i]; 577 578 if (head->y > 8192 || head->x > 8192 || 579 head->width > 8192 || head->height > 8192) { 580 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n", 581 i, head->width, head->height, 582 head->x, head->y); 583 return; 584 } 585 } 586 qxl_io_monitors_config(qdev); 587 } 588 589 static void qxl_monitors_config_set(struct qxl_device *qdev, 590 int index, 591 unsigned x, unsigned y, 592 unsigned width, unsigned height, 593 unsigned surf_id) 594 { 595 DRM_DEBUG_KMS("%d:%dx%d+%d+%d\n", index, width, height, x, y); 596 qdev->monitors_config->heads[index].x = x; 597 qdev->monitors_config->heads[index].y = y; 598 qdev->monitors_config->heads[index].width = width; 599 qdev->monitors_config->heads[index].height = height; 600 qdev->monitors_config->heads[index].surface_id = surf_id; 601 602 } 603 604 static int qxl_crtc_mode_set(struct drm_crtc *crtc, 605 struct drm_display_mode *mode, 606 struct drm_display_mode *adjusted_mode, 607 int x, int y, 608 struct drm_framebuffer *old_fb) 609 { 610 struct drm_device *dev = crtc->dev; 611 struct qxl_device *qdev = dev->dev_private; 612 struct qxl_framebuffer *qfb; 613 struct qxl_bo *bo, *old_bo = NULL; 614 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 615 bool recreate_primary = false; 616 int ret; 617 int surf_id; 618 if (!crtc->primary->fb) { 619 DRM_DEBUG_KMS("No FB bound\n"); 620 return 0; 621 } 622 623 if (old_fb) { 624 qfb = to_qxl_framebuffer(old_fb); 625 old_bo = gem_to_qxl_bo(qfb->obj); 626 } 627 qfb = to_qxl_framebuffer(crtc->primary->fb); 628 bo = gem_to_qxl_bo(qfb->obj); 629 DRM_DEBUG("+%d+%d (%d,%d) => (%d,%d)\n", 630 x, y, 631 mode->hdisplay, mode->vdisplay, 632 adjusted_mode->hdisplay, 633 adjusted_mode->vdisplay); 634 635 if (bo->is_primary == false) 636 recreate_primary = true; 637 638 if (bo->surf.stride * bo->surf.height > qdev->vram_size) { 639 DRM_ERROR("Mode doesn't fit in vram size (vgamem)"); 640 return -EINVAL; 641 } 642 643 ret = qxl_bo_reserve(bo, false); 644 if (ret != 0) 645 return ret; 646 ret = qxl_bo_pin(bo, bo->type, NULL); 647 if (ret != 0) { 648 qxl_bo_unreserve(bo); 649 return -EINVAL; 650 } 651 qxl_bo_unreserve(bo); 652 if (recreate_primary) { 653 qxl_io_destroy_primary(qdev); 654 qxl_io_log(qdev, 655 "recreate primary: %dx%d,%d,%d\n", 656 bo->surf.width, bo->surf.height, 657 bo->surf.stride, bo->surf.format); 658 qxl_io_create_primary(qdev, 0, bo); 659 bo->is_primary = true; 660 } 661 662 if (bo->is_primary) { 663 DRM_DEBUG_KMS("setting surface_id to 0 for primary surface %d on crtc %d\n", bo->surface_id, qcrtc->index); 664 surf_id = 0; 665 } else { 666 surf_id = bo->surface_id; 667 } 668 669 if (old_bo && old_bo != bo) { 670 old_bo->is_primary = false; 671 ret = qxl_bo_reserve(old_bo, false); 672 qxl_bo_unpin(old_bo); 673 qxl_bo_unreserve(old_bo); 674 } 675 676 qxl_monitors_config_set(qdev, qcrtc->index, x, y, 677 mode->hdisplay, 678 mode->vdisplay, surf_id); 679 return 0; 680 } 681 682 static void qxl_crtc_prepare(struct drm_crtc *crtc) 683 { 684 DRM_DEBUG("current: %dx%d+%d+%d (%d).\n", 685 crtc->mode.hdisplay, crtc->mode.vdisplay, 686 crtc->x, crtc->y, crtc->enabled); 687 } 688 689 static void qxl_crtc_commit(struct drm_crtc *crtc) 690 { 691 DRM_DEBUG("\n"); 692 } 693 694 static void qxl_crtc_disable(struct drm_crtc *crtc) 695 { 696 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 697 struct drm_device *dev = crtc->dev; 698 struct qxl_device *qdev = dev->dev_private; 699 if (crtc->primary->fb) { 700 struct qxl_framebuffer *qfb = to_qxl_framebuffer(crtc->primary->fb); 701 struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj); 702 int ret; 703 ret = qxl_bo_reserve(bo, false); 704 qxl_bo_unpin(bo); 705 qxl_bo_unreserve(bo); 706 crtc->primary->fb = NULL; 707 } 708 709 qxl_monitors_config_set(qdev, qcrtc->index, 0, 0, 0, 0, 0); 710 711 qxl_send_monitors_config(qdev); 712 } 713 714 static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = { 715 .dpms = qxl_crtc_dpms, 716 .disable = qxl_crtc_disable, 717 .mode_fixup = qxl_crtc_mode_fixup, 718 .mode_set = qxl_crtc_mode_set, 719 .prepare = qxl_crtc_prepare, 720 .commit = qxl_crtc_commit, 721 }; 722 723 static int qdev_crtc_init(struct drm_device *dev, int crtc_id) 724 { 725 struct qxl_crtc *qxl_crtc; 726 727 qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL); 728 if (!qxl_crtc) 729 return -ENOMEM; 730 731 drm_crtc_init(dev, &qxl_crtc->base, &qxl_crtc_funcs); 732 qxl_crtc->index = crtc_id; 733 drm_mode_crtc_set_gamma_size(&qxl_crtc->base, 256); 734 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs); 735 return 0; 736 } 737 738 static void qxl_enc_dpms(struct drm_encoder *encoder, int mode) 739 { 740 DRM_DEBUG("\n"); 741 } 742 743 static void qxl_enc_prepare(struct drm_encoder *encoder) 744 { 745 DRM_DEBUG("\n"); 746 } 747 748 static void qxl_write_monitors_config_for_encoder(struct qxl_device *qdev, 749 struct drm_encoder *encoder) 750 { 751 int i; 752 struct qxl_output *output = drm_encoder_to_qxl_output(encoder); 753 struct qxl_head *head; 754 struct drm_display_mode *mode; 755 756 BUG_ON(!encoder); 757 /* TODO: ugly, do better */ 758 i = output->index; 759 if (!qdev->monitors_config || 760 qdev->monitors_config->max_allowed <= i) { 761 DRM_ERROR( 762 "head number too large or missing monitors config: %p, %d", 763 qdev->monitors_config, 764 qdev->monitors_config ? 765 qdev->monitors_config->max_allowed : -1); 766 return; 767 } 768 if (!encoder->crtc) { 769 DRM_ERROR("missing crtc on encoder %p\n", encoder); 770 return; 771 } 772 if (i != 0) 773 DRM_DEBUG("missing for multiple monitors: no head holes\n"); 774 head = &qdev->monitors_config->heads[i]; 775 head->id = i; 776 if (encoder->crtc->enabled) { 777 mode = &encoder->crtc->mode; 778 head->width = mode->hdisplay; 779 head->height = mode->vdisplay; 780 head->x = encoder->crtc->x; 781 head->y = encoder->crtc->y; 782 if (qdev->monitors_config->count < i + 1) 783 qdev->monitors_config->count = i + 1; 784 } else { 785 head->width = 0; 786 head->height = 0; 787 head->x = 0; 788 head->y = 0; 789 } 790 DRM_DEBUG_KMS("setting head %d to +%d+%d %dx%d out of %d\n", 791 i, head->x, head->y, head->width, head->height, qdev->monitors_config->count); 792 head->flags = 0; 793 /* TODO - somewhere else to call this for multiple monitors 794 * (config_commit?) */ 795 qxl_send_monitors_config(qdev); 796 } 797 798 static void qxl_enc_commit(struct drm_encoder *encoder) 799 { 800 struct qxl_device *qdev = encoder->dev->dev_private; 801 802 qxl_write_monitors_config_for_encoder(qdev, encoder); 803 DRM_DEBUG("\n"); 804 } 805 806 static void qxl_enc_mode_set(struct drm_encoder *encoder, 807 struct drm_display_mode *mode, 808 struct drm_display_mode *adjusted_mode) 809 { 810 DRM_DEBUG("\n"); 811 } 812 813 static int qxl_conn_get_modes(struct drm_connector *connector) 814 { 815 int ret = 0; 816 struct qxl_device *qdev = connector->dev->dev_private; 817 unsigned pwidth = 1024; 818 unsigned pheight = 768; 819 820 DRM_DEBUG_KMS("monitors_config=%p\n", qdev->monitors_config); 821 /* TODO: what should we do here? only show the configured modes for the 822 * device, or allow the full list, or both? */ 823 if (qdev->monitors_config && qdev->monitors_config->count) { 824 ret = qxl_add_monitors_config_modes(connector, &pwidth, &pheight); 825 if (ret < 0) 826 return ret; 827 } 828 ret += qxl_add_common_modes(connector, pwidth, pheight); 829 return ret; 830 } 831 832 static int qxl_conn_mode_valid(struct drm_connector *connector, 833 struct drm_display_mode *mode) 834 { 835 struct drm_device *ddev = connector->dev; 836 struct qxl_device *qdev = ddev->dev_private; 837 int i; 838 839 /* TODO: is this called for user defined modes? (xrandr --add-mode) 840 * TODO: check that the mode fits in the framebuffer */ 841 842 if(qdev->monitors_config_width == mode->hdisplay && 843 qdev->monitors_config_height == mode->vdisplay) 844 return MODE_OK; 845 846 for (i = 0; i < ARRAY_SIZE(common_modes); i++) { 847 if (common_modes[i].w == mode->hdisplay && common_modes[i].h == mode->vdisplay) 848 return MODE_OK; 849 } 850 return MODE_BAD; 851 } 852 853 static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector) 854 { 855 struct qxl_output *qxl_output = 856 drm_connector_to_qxl_output(connector); 857 858 DRM_DEBUG("\n"); 859 return &qxl_output->enc; 860 } 861 862 863 static const struct drm_encoder_helper_funcs qxl_enc_helper_funcs = { 864 .dpms = qxl_enc_dpms, 865 .prepare = qxl_enc_prepare, 866 .mode_set = qxl_enc_mode_set, 867 .commit = qxl_enc_commit, 868 }; 869 870 static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = { 871 .get_modes = qxl_conn_get_modes, 872 .mode_valid = qxl_conn_mode_valid, 873 .best_encoder = qxl_best_encoder, 874 }; 875 876 static enum drm_connector_status qxl_conn_detect( 877 struct drm_connector *connector, 878 bool force) 879 { 880 struct qxl_output *output = 881 drm_connector_to_qxl_output(connector); 882 struct drm_device *ddev = connector->dev; 883 struct qxl_device *qdev = ddev->dev_private; 884 bool connected = false; 885 886 /* The first monitor is always connected */ 887 if (!qdev->client_monitors_config) { 888 if (output->index == 0) 889 connected = true; 890 } else 891 connected = qdev->client_monitors_config->count > output->index && 892 qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]); 893 894 DRM_DEBUG("#%d connected: %d\n", output->index, connected); 895 if (!connected) 896 qxl_monitors_config_set(qdev, output->index, 0, 0, 0, 0, 0); 897 898 return connected ? connector_status_connected 899 : connector_status_disconnected; 900 } 901 902 static int qxl_conn_set_property(struct drm_connector *connector, 903 struct drm_property *property, 904 uint64_t value) 905 { 906 DRM_DEBUG("\n"); 907 return 0; 908 } 909 910 static void qxl_conn_destroy(struct drm_connector *connector) 911 { 912 struct qxl_output *qxl_output = 913 drm_connector_to_qxl_output(connector); 914 915 drm_connector_unregister(connector); 916 drm_connector_cleanup(connector); 917 kfree(qxl_output); 918 } 919 920 static const struct drm_connector_funcs qxl_connector_funcs = { 921 .dpms = drm_helper_connector_dpms, 922 .detect = qxl_conn_detect, 923 .fill_modes = drm_helper_probe_single_connector_modes, 924 .set_property = qxl_conn_set_property, 925 .destroy = qxl_conn_destroy, 926 }; 927 928 static void qxl_enc_destroy(struct drm_encoder *encoder) 929 { 930 drm_encoder_cleanup(encoder); 931 } 932 933 static const struct drm_encoder_funcs qxl_enc_funcs = { 934 .destroy = qxl_enc_destroy, 935 }; 936 937 static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev) 938 { 939 if (qdev->hotplug_mode_update_property) 940 return 0; 941 942 qdev->hotplug_mode_update_property = 943 drm_property_create_range(qdev->ddev, DRM_MODE_PROP_IMMUTABLE, 944 "hotplug_mode_update", 0, 1); 945 946 return 0; 947 } 948 949 static int qdev_output_init(struct drm_device *dev, int num_output) 950 { 951 struct qxl_device *qdev = dev->dev_private; 952 struct qxl_output *qxl_output; 953 struct drm_connector *connector; 954 struct drm_encoder *encoder; 955 956 qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL); 957 if (!qxl_output) 958 return -ENOMEM; 959 960 qxl_output->index = num_output; 961 962 connector = &qxl_output->base; 963 encoder = &qxl_output->enc; 964 drm_connector_init(dev, &qxl_output->base, 965 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL); 966 967 drm_encoder_init(dev, &qxl_output->enc, &qxl_enc_funcs, 968 DRM_MODE_ENCODER_VIRTUAL, NULL); 969 970 /* we get HPD via client monitors config */ 971 connector->polled = DRM_CONNECTOR_POLL_HPD; 972 encoder->possible_crtcs = 1 << num_output; 973 drm_mode_connector_attach_encoder(&qxl_output->base, 974 &qxl_output->enc); 975 drm_encoder_helper_add(encoder, &qxl_enc_helper_funcs); 976 drm_connector_helper_add(connector, &qxl_connector_helper_funcs); 977 978 drm_object_attach_property(&connector->base, 979 qdev->hotplug_mode_update_property, 0); 980 drm_object_attach_property(&connector->base, 981 dev->mode_config.suggested_x_property, 0); 982 drm_object_attach_property(&connector->base, 983 dev->mode_config.suggested_y_property, 0); 984 drm_connector_register(connector); 985 return 0; 986 } 987 988 static struct drm_framebuffer * 989 qxl_user_framebuffer_create(struct drm_device *dev, 990 struct drm_file *file_priv, 991 const struct drm_mode_fb_cmd2 *mode_cmd) 992 { 993 struct drm_gem_object *obj; 994 struct qxl_framebuffer *qxl_fb; 995 int ret; 996 997 obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]); 998 if (!obj) 999 return NULL; 1000 1001 qxl_fb = kzalloc(sizeof(*qxl_fb), GFP_KERNEL); 1002 if (qxl_fb == NULL) 1003 return NULL; 1004 1005 ret = qxl_framebuffer_init(dev, qxl_fb, mode_cmd, obj, &qxl_fb_funcs); 1006 if (ret) { 1007 kfree(qxl_fb); 1008 drm_gem_object_unreference_unlocked(obj); 1009 return NULL; 1010 } 1011 1012 return &qxl_fb->base; 1013 } 1014 1015 static const struct drm_mode_config_funcs qxl_mode_funcs = { 1016 .fb_create = qxl_user_framebuffer_create, 1017 }; 1018 1019 int qxl_create_monitors_object(struct qxl_device *qdev) 1020 { 1021 int ret; 1022 struct drm_gem_object *gobj; 1023 int max_allowed = qxl_num_crtc; 1024 int monitors_config_size = sizeof(struct qxl_monitors_config) + 1025 max_allowed * sizeof(struct qxl_head); 1026 1027 ret = qxl_gem_object_create(qdev, monitors_config_size, 0, 1028 QXL_GEM_DOMAIN_VRAM, 1029 false, false, NULL, &gobj); 1030 if (ret) { 1031 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret); 1032 return -ENOMEM; 1033 } 1034 qdev->monitors_config_bo = gem_to_qxl_bo(gobj); 1035 1036 ret = qxl_bo_reserve(qdev->monitors_config_bo, false); 1037 if (ret) 1038 return ret; 1039 1040 ret = qxl_bo_pin(qdev->monitors_config_bo, QXL_GEM_DOMAIN_VRAM, NULL); 1041 if (ret) { 1042 qxl_bo_unreserve(qdev->monitors_config_bo); 1043 return ret; 1044 } 1045 1046 qxl_bo_unreserve(qdev->monitors_config_bo); 1047 1048 qxl_bo_kmap(qdev->monitors_config_bo, NULL); 1049 1050 qdev->monitors_config = qdev->monitors_config_bo->kptr; 1051 qdev->ram_header->monitors_config = 1052 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0); 1053 1054 memset(qdev->monitors_config, 0, monitors_config_size); 1055 qdev->monitors_config->max_allowed = max_allowed; 1056 return 0; 1057 } 1058 1059 int qxl_destroy_monitors_object(struct qxl_device *qdev) 1060 { 1061 int ret; 1062 1063 qdev->monitors_config = NULL; 1064 qdev->ram_header->monitors_config = 0; 1065 1066 qxl_bo_kunmap(qdev->monitors_config_bo); 1067 ret = qxl_bo_reserve(qdev->monitors_config_bo, false); 1068 if (ret) 1069 return ret; 1070 1071 qxl_bo_unpin(qdev->monitors_config_bo); 1072 qxl_bo_unreserve(qdev->monitors_config_bo); 1073 1074 qxl_bo_unref(&qdev->monitors_config_bo); 1075 return 0; 1076 } 1077 1078 int qxl_modeset_init(struct qxl_device *qdev) 1079 { 1080 int i; 1081 int ret; 1082 1083 drm_mode_config_init(qdev->ddev); 1084 1085 ret = qxl_create_monitors_object(qdev); 1086 if (ret) 1087 return ret; 1088 1089 qdev->ddev->mode_config.funcs = (void *)&qxl_mode_funcs; 1090 1091 /* modes will be validated against the framebuffer size */ 1092 qdev->ddev->mode_config.min_width = 320; 1093 qdev->ddev->mode_config.min_height = 200; 1094 qdev->ddev->mode_config.max_width = 8192; 1095 qdev->ddev->mode_config.max_height = 8192; 1096 1097 qdev->ddev->mode_config.fb_base = qdev->vram_base; 1098 1099 drm_mode_create_suggested_offset_properties(qdev->ddev); 1100 qxl_mode_create_hotplug_mode_update_property(qdev); 1101 1102 for (i = 0 ; i < qxl_num_crtc; ++i) { 1103 qdev_crtc_init(qdev->ddev, i); 1104 qdev_output_init(qdev->ddev, i); 1105 } 1106 1107 qdev->mode_info.mode_config_initialized = true; 1108 1109 /* primary surface must be created by this point, to allow 1110 * issuing command queue commands and having them read by 1111 * spice server. */ 1112 qxl_fbdev_init(qdev); 1113 return 0; 1114 } 1115 1116 void qxl_modeset_fini(struct qxl_device *qdev) 1117 { 1118 qxl_fbdev_fini(qdev); 1119 1120 qxl_destroy_monitors_object(qdev); 1121 if (qdev->mode_info.mode_config_initialized) { 1122 drm_mode_config_cleanup(qdev->ddev); 1123 qdev->mode_info.mode_config_initialized = false; 1124 } 1125 } 1126