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 #include <drm/drm_atomic_helper.h> 34 #include <drm/drm_atomic.h> 35 36 static bool qxl_head_enabled(struct qxl_head *head) 37 { 38 return head->width && head->height; 39 } 40 41 static void qxl_alloc_client_monitors_config(struct qxl_device *qdev, unsigned count) 42 { 43 if (qdev->client_monitors_config && 44 count > qdev->client_monitors_config->count) { 45 kfree(qdev->client_monitors_config); 46 qdev->client_monitors_config = NULL; 47 } 48 if (!qdev->client_monitors_config) { 49 qdev->client_monitors_config = kzalloc( 50 sizeof(struct qxl_monitors_config) + 51 sizeof(struct qxl_head) * count, GFP_KERNEL); 52 if (!qdev->client_monitors_config) { 53 qxl_io_log(qdev, 54 "%s: allocation failure for %u heads\n", 55 __func__, count); 56 return; 57 } 58 } 59 qdev->client_monitors_config->count = count; 60 } 61 62 enum { 63 MONITORS_CONFIG_MODIFIED, 64 MONITORS_CONFIG_UNCHANGED, 65 MONITORS_CONFIG_BAD_CRC, 66 }; 67 68 static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev) 69 { 70 int i; 71 int num_monitors; 72 uint32_t crc; 73 int status = MONITORS_CONFIG_UNCHANGED; 74 75 num_monitors = qdev->rom->client_monitors_config.count; 76 crc = crc32(0, (const uint8_t *)&qdev->rom->client_monitors_config, 77 sizeof(qdev->rom->client_monitors_config)); 78 if (crc != qdev->rom->client_monitors_config_crc) { 79 qxl_io_log(qdev, "crc mismatch: have %X (%zd) != %X\n", crc, 80 sizeof(qdev->rom->client_monitors_config), 81 qdev->rom->client_monitors_config_crc); 82 return MONITORS_CONFIG_BAD_CRC; 83 } 84 if (!num_monitors) { 85 DRM_DEBUG_KMS("no client monitors configured\n"); 86 return status; 87 } 88 if (num_monitors > qdev->monitors_config->max_allowed) { 89 DRM_DEBUG_KMS("client monitors list will be truncated: %d < %d\n", 90 qdev->monitors_config->max_allowed, num_monitors); 91 num_monitors = qdev->monitors_config->max_allowed; 92 } else { 93 num_monitors = qdev->rom->client_monitors_config.count; 94 } 95 if (qdev->client_monitors_config 96 && (num_monitors != qdev->client_monitors_config->count)) { 97 status = MONITORS_CONFIG_MODIFIED; 98 } 99 qxl_alloc_client_monitors_config(qdev, num_monitors); 100 /* we copy max from the client but it isn't used */ 101 qdev->client_monitors_config->max_allowed = 102 qdev->monitors_config->max_allowed; 103 for (i = 0 ; i < qdev->client_monitors_config->count ; ++i) { 104 struct qxl_urect *c_rect = 105 &qdev->rom->client_monitors_config.heads[i]; 106 struct qxl_head *client_head = 107 &qdev->client_monitors_config->heads[i]; 108 if (client_head->x != c_rect->left) { 109 client_head->x = c_rect->left; 110 status = MONITORS_CONFIG_MODIFIED; 111 } 112 if (client_head->y != c_rect->top) { 113 client_head->y = c_rect->top; 114 status = MONITORS_CONFIG_MODIFIED; 115 } 116 if (client_head->width != c_rect->right - c_rect->left) { 117 client_head->width = c_rect->right - c_rect->left; 118 status = MONITORS_CONFIG_MODIFIED; 119 } 120 if (client_head->height != c_rect->bottom - c_rect->top) { 121 client_head->height = c_rect->bottom - c_rect->top; 122 status = MONITORS_CONFIG_MODIFIED; 123 } 124 if (client_head->surface_id != 0) { 125 client_head->surface_id = 0; 126 status = MONITORS_CONFIG_MODIFIED; 127 } 128 if (client_head->id != i) { 129 client_head->id = i; 130 status = MONITORS_CONFIG_MODIFIED; 131 } 132 if (client_head->flags != 0) { 133 client_head->flags = 0; 134 status = MONITORS_CONFIG_MODIFIED; 135 } 136 DRM_DEBUG_KMS("read %dx%d+%d+%d\n", client_head->width, client_head->height, 137 client_head->x, client_head->y); 138 } 139 140 return status; 141 } 142 143 static void qxl_update_offset_props(struct qxl_device *qdev) 144 { 145 struct drm_device *dev = &qdev->ddev; 146 struct drm_connector *connector; 147 struct qxl_output *output; 148 struct qxl_head *head; 149 150 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 151 output = drm_connector_to_qxl_output(connector); 152 153 head = &qdev->client_monitors_config->heads[output->index]; 154 155 drm_object_property_set_value(&connector->base, 156 dev->mode_config.suggested_x_property, head->x); 157 drm_object_property_set_value(&connector->base, 158 dev->mode_config.suggested_y_property, head->y); 159 } 160 } 161 162 void qxl_display_read_client_monitors_config(struct qxl_device *qdev) 163 { 164 struct drm_device *dev = &qdev->ddev; 165 int status, retries; 166 167 for (retries = 0; retries < 10; retries++) { 168 status = qxl_display_copy_rom_client_monitors_config(qdev); 169 if (status != MONITORS_CONFIG_BAD_CRC) 170 break; 171 udelay(5); 172 } 173 if (status == MONITORS_CONFIG_BAD_CRC) { 174 qxl_io_log(qdev, "config: bad crc\n"); 175 DRM_DEBUG_KMS("ignoring client monitors config: bad crc"); 176 return; 177 } 178 if (status == MONITORS_CONFIG_UNCHANGED) { 179 qxl_io_log(qdev, "config: unchanged\n"); 180 DRM_DEBUG_KMS("ignoring client monitors config: unchanged"); 181 return; 182 } 183 184 drm_modeset_lock_all(dev); 185 qxl_update_offset_props(qdev); 186 drm_modeset_unlock_all(dev); 187 if (!drm_helper_hpd_irq_event(dev)) { 188 /* notify that the monitor configuration changed, to 189 adjust at the arbitrary resolution */ 190 drm_kms_helper_hotplug_event(dev); 191 } 192 } 193 194 static int qxl_add_monitors_config_modes(struct drm_connector *connector, 195 unsigned *pwidth, 196 unsigned *pheight) 197 { 198 struct drm_device *dev = connector->dev; 199 struct qxl_device *qdev = dev->dev_private; 200 struct qxl_output *output = drm_connector_to_qxl_output(connector); 201 int h = output->index; 202 struct drm_display_mode *mode = NULL; 203 struct qxl_head *head; 204 205 if (!qdev->monitors_config) 206 return 0; 207 if (h >= qdev->monitors_config->max_allowed) 208 return 0; 209 if (!qdev->client_monitors_config) 210 return 0; 211 if (h >= qdev->client_monitors_config->count) 212 return 0; 213 214 head = &qdev->client_monitors_config->heads[h]; 215 DRM_DEBUG_KMS("head %d is %dx%d\n", h, head->width, head->height); 216 217 mode = drm_cvt_mode(dev, head->width, head->height, 60, false, false, 218 false); 219 mode->type |= DRM_MODE_TYPE_PREFERRED; 220 mode->hdisplay = head->width; 221 mode->vdisplay = head->height; 222 drm_mode_set_name(mode); 223 *pwidth = head->width; 224 *pheight = head->height; 225 drm_mode_probed_add(connector, mode); 226 /* remember the last custom size for mode validation */ 227 qdev->monitors_config_width = mode->hdisplay; 228 qdev->monitors_config_height = mode->vdisplay; 229 return 1; 230 } 231 232 static struct mode_size { 233 int w; 234 int h; 235 } common_modes[] = { 236 { 640, 480}, 237 { 720, 480}, 238 { 800, 600}, 239 { 848, 480}, 240 {1024, 768}, 241 {1152, 768}, 242 {1280, 720}, 243 {1280, 800}, 244 {1280, 854}, 245 {1280, 960}, 246 {1280, 1024}, 247 {1440, 900}, 248 {1400, 1050}, 249 {1680, 1050}, 250 {1600, 1200}, 251 {1920, 1080}, 252 {1920, 1200} 253 }; 254 255 static int qxl_add_common_modes(struct drm_connector *connector, 256 unsigned pwidth, 257 unsigned pheight) 258 { 259 struct drm_device *dev = connector->dev; 260 struct drm_display_mode *mode = NULL; 261 int i; 262 for (i = 0; i < ARRAY_SIZE(common_modes); i++) { 263 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 264 60, false, false, false); 265 if (common_modes[i].w == pwidth && common_modes[i].h == pheight) 266 mode->type |= DRM_MODE_TYPE_PREFERRED; 267 drm_mode_probed_add(connector, mode); 268 } 269 return i - 1; 270 } 271 272 static void qxl_crtc_atomic_flush(struct drm_crtc *crtc, 273 struct drm_crtc_state *old_crtc_state) 274 { 275 struct drm_device *dev = crtc->dev; 276 struct drm_pending_vblank_event *event; 277 unsigned long flags; 278 279 if (crtc->state && crtc->state->event) { 280 event = crtc->state->event; 281 crtc->state->event = NULL; 282 283 spin_lock_irqsave(&dev->event_lock, flags); 284 drm_crtc_send_vblank_event(crtc, event); 285 spin_unlock_irqrestore(&dev->event_lock, flags); 286 } 287 } 288 289 static void qxl_crtc_destroy(struct drm_crtc *crtc) 290 { 291 struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc); 292 293 drm_crtc_cleanup(crtc); 294 kfree(qxl_crtc); 295 } 296 297 static const struct drm_crtc_funcs qxl_crtc_funcs = { 298 .set_config = drm_atomic_helper_set_config, 299 .destroy = qxl_crtc_destroy, 300 .page_flip = drm_atomic_helper_page_flip, 301 .reset = drm_atomic_helper_crtc_reset, 302 .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state, 303 .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state, 304 }; 305 306 void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb) 307 { 308 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb); 309 310 drm_gem_object_unreference_unlocked(qxl_fb->obj); 311 drm_framebuffer_cleanup(fb); 312 kfree(qxl_fb); 313 } 314 315 static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb, 316 struct drm_file *file_priv, 317 unsigned flags, unsigned color, 318 struct drm_clip_rect *clips, 319 unsigned num_clips) 320 { 321 /* TODO: vmwgfx where this was cribbed from had locking. Why? */ 322 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb); 323 struct qxl_device *qdev = qxl_fb->base.dev->dev_private; 324 struct drm_clip_rect norect; 325 struct qxl_bo *qobj; 326 int inc = 1; 327 328 drm_modeset_lock_all(fb->dev); 329 330 qobj = gem_to_qxl_bo(qxl_fb->obj); 331 /* if we aren't primary surface ignore this */ 332 if (!qobj->is_primary) { 333 drm_modeset_unlock_all(fb->dev); 334 return 0; 335 } 336 337 if (!num_clips) { 338 num_clips = 1; 339 clips = &norect; 340 norect.x1 = norect.y1 = 0; 341 norect.x2 = fb->width; 342 norect.y2 = fb->height; 343 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) { 344 num_clips /= 2; 345 inc = 2; /* skip source rects */ 346 } 347 348 qxl_draw_dirty_fb(qdev, qxl_fb, qobj, flags, color, 349 clips, num_clips, inc); 350 351 drm_modeset_unlock_all(fb->dev); 352 353 return 0; 354 } 355 356 static const struct drm_framebuffer_funcs qxl_fb_funcs = { 357 .destroy = qxl_user_framebuffer_destroy, 358 .dirty = qxl_framebuffer_surface_dirty, 359 /* TODO? 360 * .create_handle = qxl_user_framebuffer_create_handle, */ 361 }; 362 363 int 364 qxl_framebuffer_init(struct drm_device *dev, 365 struct qxl_framebuffer *qfb, 366 const struct drm_mode_fb_cmd2 *mode_cmd, 367 struct drm_gem_object *obj, 368 const struct drm_framebuffer_funcs *funcs) 369 { 370 int ret; 371 372 qfb->obj = obj; 373 drm_helper_mode_fill_fb_struct(dev, &qfb->base, mode_cmd); 374 ret = drm_framebuffer_init(dev, &qfb->base, funcs); 375 if (ret) { 376 qfb->obj = NULL; 377 return ret; 378 } 379 return 0; 380 } 381 382 static void qxl_crtc_dpms(struct drm_crtc *crtc, int mode) 383 { 384 } 385 386 static bool qxl_crtc_mode_fixup(struct drm_crtc *crtc, 387 const struct drm_display_mode *mode, 388 struct drm_display_mode *adjusted_mode) 389 { 390 struct drm_device *dev = crtc->dev; 391 struct qxl_device *qdev = dev->dev_private; 392 393 qxl_io_log(qdev, "%s: (%d,%d) => (%d,%d)\n", 394 __func__, 395 mode->hdisplay, mode->vdisplay, 396 adjusted_mode->hdisplay, 397 adjusted_mode->vdisplay); 398 return true; 399 } 400 401 static void 402 qxl_send_monitors_config(struct qxl_device *qdev) 403 { 404 int i; 405 406 BUG_ON(!qdev->ram_header->monitors_config); 407 408 if (qdev->monitors_config->count == 0) { 409 qxl_io_log(qdev, "%s: 0 monitors??\n", __func__); 410 return; 411 } 412 for (i = 0 ; i < qdev->monitors_config->count ; ++i) { 413 struct qxl_head *head = &qdev->monitors_config->heads[i]; 414 415 if (head->y > 8192 || head->x > 8192 || 416 head->width > 8192 || head->height > 8192) { 417 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n", 418 i, head->width, head->height, 419 head->x, head->y); 420 return; 421 } 422 } 423 qxl_io_monitors_config(qdev); 424 } 425 426 static void qxl_monitors_config_set(struct qxl_device *qdev, 427 int index, 428 unsigned x, unsigned y, 429 unsigned width, unsigned height, 430 unsigned surf_id) 431 { 432 DRM_DEBUG_KMS("%d:%dx%d+%d+%d\n", index, width, height, x, y); 433 qdev->monitors_config->heads[index].x = x; 434 qdev->monitors_config->heads[index].y = y; 435 qdev->monitors_config->heads[index].width = width; 436 qdev->monitors_config->heads[index].height = height; 437 qdev->monitors_config->heads[index].surface_id = surf_id; 438 439 } 440 441 void qxl_mode_set_nofb(struct drm_crtc *crtc) 442 { 443 struct qxl_device *qdev = crtc->dev->dev_private; 444 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 445 struct drm_display_mode *mode = &crtc->mode; 446 447 DRM_DEBUG("Mode set (%d,%d)\n", 448 mode->hdisplay, mode->vdisplay); 449 450 qxl_monitors_config_set(qdev, qcrtc->index, 0, 0, 451 mode->hdisplay, mode->vdisplay, 0); 452 453 } 454 455 static void qxl_crtc_commit(struct drm_crtc *crtc) 456 { 457 DRM_DEBUG("\n"); 458 } 459 460 static void qxl_crtc_disable(struct drm_crtc *crtc) 461 { 462 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 463 struct qxl_device *qdev = crtc->dev->dev_private; 464 465 qxl_monitors_config_set(qdev, qcrtc->index, 0, 0, 0, 0, 0); 466 467 qxl_send_monitors_config(qdev); 468 } 469 470 static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = { 471 .dpms = qxl_crtc_dpms, 472 .disable = qxl_crtc_disable, 473 .mode_fixup = qxl_crtc_mode_fixup, 474 .mode_set_nofb = qxl_mode_set_nofb, 475 .commit = qxl_crtc_commit, 476 .atomic_flush = qxl_crtc_atomic_flush, 477 }; 478 479 int qxl_primary_atomic_check(struct drm_plane *plane, 480 struct drm_plane_state *state) 481 { 482 struct qxl_device *qdev = plane->dev->dev_private; 483 struct qxl_framebuffer *qfb; 484 struct qxl_bo *bo; 485 486 if (!state->crtc || !state->fb) 487 return 0; 488 489 qfb = to_qxl_framebuffer(state->fb); 490 bo = gem_to_qxl_bo(qfb->obj); 491 492 if (bo->surf.stride * bo->surf.height > qdev->vram_size) { 493 DRM_ERROR("Mode doesn't fit in vram size (vgamem)"); 494 return -EINVAL; 495 } 496 497 return 0; 498 } 499 500 static void qxl_primary_atomic_update(struct drm_plane *plane, 501 struct drm_plane_state *old_state) 502 { 503 struct qxl_device *qdev = plane->dev->dev_private; 504 struct qxl_framebuffer *qfb = 505 to_qxl_framebuffer(plane->state->fb); 506 struct qxl_framebuffer *qfb_old; 507 struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj); 508 struct qxl_bo *bo_old; 509 struct drm_clip_rect norect = { 510 .x1 = 0, 511 .y1 = 0, 512 .x2 = qfb->base.width, 513 .y2 = qfb->base.height 514 }; 515 516 if (!old_state->fb) { 517 qxl_io_log(qdev, 518 "create primary fb: %dx%d,%d,%d\n", 519 bo->surf.width, bo->surf.height, 520 bo->surf.stride, bo->surf.format); 521 522 qxl_io_create_primary(qdev, 0, bo); 523 bo->is_primary = true; 524 return; 525 526 } else { 527 qfb_old = to_qxl_framebuffer(old_state->fb); 528 bo_old = gem_to_qxl_bo(qfb_old->obj); 529 bo_old->is_primary = false; 530 } 531 532 bo->is_primary = true; 533 qxl_draw_dirty_fb(qdev, qfb, bo, 0, 0, &norect, 1, 1); 534 } 535 536 static void qxl_primary_atomic_disable(struct drm_plane *plane, 537 struct drm_plane_state *old_state) 538 { 539 struct qxl_device *qdev = plane->dev->dev_private; 540 541 if (old_state->fb) 542 { struct qxl_framebuffer *qfb = 543 to_qxl_framebuffer(old_state->fb); 544 struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj); 545 546 qxl_io_destroy_primary(qdev); 547 bo->is_primary = false; 548 } 549 } 550 551 int qxl_plane_atomic_check(struct drm_plane *plane, 552 struct drm_plane_state *state) 553 { 554 return 0; 555 } 556 557 static void qxl_cursor_atomic_update(struct drm_plane *plane, 558 struct drm_plane_state *old_state) 559 { 560 struct drm_device *dev = plane->dev; 561 struct qxl_device *qdev = dev->dev_private; 562 struct drm_framebuffer *fb = plane->state->fb; 563 struct qxl_release *release; 564 struct qxl_cursor_cmd *cmd; 565 struct qxl_cursor *cursor; 566 struct drm_gem_object *obj; 567 struct qxl_bo *cursor_bo, *user_bo = NULL; 568 int ret; 569 void *user_ptr; 570 int size = 64*64*4; 571 572 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), 573 QXL_RELEASE_CURSOR_CMD, 574 &release, NULL); 575 if (ret) 576 return; 577 578 cmd = (struct qxl_cursor_cmd *) qxl_release_map(qdev, release); 579 580 if (fb != old_state->fb) { 581 obj = to_qxl_framebuffer(fb)->obj; 582 user_bo = gem_to_qxl_bo(obj); 583 584 /* pinning is done in the prepare/cleanup framevbuffer */ 585 ret = qxl_bo_kmap(user_bo, &user_ptr); 586 if (ret) 587 goto out_free_release; 588 589 ret = qxl_alloc_bo_reserved(qdev, release, 590 sizeof(struct qxl_cursor) + size, 591 &cursor_bo); 592 if (ret) 593 goto out_kunmap; 594 595 ret = qxl_release_reserve_list(release, true); 596 if (ret) 597 goto out_free_bo; 598 599 ret = qxl_bo_kmap(cursor_bo, (void **)&cursor); 600 if (ret) 601 goto out_backoff; 602 603 cursor->header.unique = 0; 604 cursor->header.type = SPICE_CURSOR_TYPE_ALPHA; 605 cursor->header.width = 64; 606 cursor->header.height = 64; 607 cursor->header.hot_spot_x = fb->hot_x; 608 cursor->header.hot_spot_y = fb->hot_y; 609 cursor->data_size = size; 610 cursor->chunk.next_chunk = 0; 611 cursor->chunk.prev_chunk = 0; 612 cursor->chunk.data_size = size; 613 memcpy(cursor->chunk.data, user_ptr, size); 614 qxl_bo_kunmap(cursor_bo); 615 qxl_bo_kunmap(user_bo); 616 617 cmd->u.set.visible = 1; 618 cmd->u.set.shape = qxl_bo_physical_address(qdev, 619 cursor_bo, 0); 620 cmd->type = QXL_CURSOR_SET; 621 } else { 622 623 ret = qxl_release_reserve_list(release, true); 624 if (ret) 625 goto out_free_release; 626 627 cmd->type = QXL_CURSOR_MOVE; 628 } 629 630 cmd->u.position.x = plane->state->crtc_x + fb->hot_x; 631 cmd->u.position.y = plane->state->crtc_y + fb->hot_y; 632 633 qxl_release_unmap(qdev, release, &cmd->release_info); 634 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 635 qxl_release_fence_buffer_objects(release); 636 637 return; 638 639 out_backoff: 640 qxl_release_backoff_reserve_list(release); 641 out_free_bo: 642 qxl_bo_unref(&cursor_bo); 643 out_kunmap: 644 qxl_bo_kunmap(user_bo); 645 out_free_release: 646 qxl_release_free(qdev, release); 647 return; 648 649 } 650 651 void qxl_cursor_atomic_disable(struct drm_plane *plane, 652 struct drm_plane_state *old_state) 653 { 654 struct qxl_device *qdev = plane->dev->dev_private; 655 struct qxl_release *release; 656 struct qxl_cursor_cmd *cmd; 657 int ret; 658 659 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), 660 QXL_RELEASE_CURSOR_CMD, 661 &release, NULL); 662 if (ret) 663 return; 664 665 ret = qxl_release_reserve_list(release, true); 666 if (ret) { 667 qxl_release_free(qdev, release); 668 return; 669 } 670 671 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 672 cmd->type = QXL_CURSOR_HIDE; 673 qxl_release_unmap(qdev, release, &cmd->release_info); 674 675 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 676 qxl_release_fence_buffer_objects(release); 677 } 678 679 int qxl_plane_prepare_fb(struct drm_plane *plane, 680 struct drm_plane_state *new_state) 681 { 682 struct drm_gem_object *obj; 683 struct qxl_bo *user_bo; 684 int ret; 685 686 if (!new_state->fb) 687 return 0; 688 689 obj = to_qxl_framebuffer(new_state->fb)->obj; 690 user_bo = gem_to_qxl_bo(obj); 691 692 ret = qxl_bo_pin(user_bo, QXL_GEM_DOMAIN_CPU, NULL); 693 if (ret) 694 return ret; 695 696 return 0; 697 } 698 699 static void qxl_plane_cleanup_fb(struct drm_plane *plane, 700 struct drm_plane_state *old_state) 701 { 702 struct drm_gem_object *obj; 703 struct qxl_bo *user_bo; 704 705 if (!plane->state->fb) { 706 /* we never executed prepare_fb, so there's nothing to 707 * unpin. 708 */ 709 return; 710 } 711 712 obj = to_qxl_framebuffer(plane->state->fb)->obj; 713 user_bo = gem_to_qxl_bo(obj); 714 qxl_bo_unpin(user_bo); 715 } 716 717 static const uint32_t qxl_cursor_plane_formats[] = { 718 DRM_FORMAT_ARGB8888, 719 }; 720 721 static const struct drm_plane_helper_funcs qxl_cursor_helper_funcs = { 722 .atomic_check = qxl_plane_atomic_check, 723 .atomic_update = qxl_cursor_atomic_update, 724 .atomic_disable = qxl_cursor_atomic_disable, 725 .prepare_fb = qxl_plane_prepare_fb, 726 .cleanup_fb = qxl_plane_cleanup_fb, 727 }; 728 729 static const struct drm_plane_funcs qxl_cursor_plane_funcs = { 730 .update_plane = drm_atomic_helper_update_plane, 731 .disable_plane = drm_atomic_helper_disable_plane, 732 .destroy = drm_primary_helper_destroy, 733 .reset = drm_atomic_helper_plane_reset, 734 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 735 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 736 }; 737 738 static const uint32_t qxl_primary_plane_formats[] = { 739 DRM_FORMAT_XRGB8888, 740 DRM_FORMAT_ARGB8888, 741 }; 742 743 static const struct drm_plane_helper_funcs primary_helper_funcs = { 744 .atomic_check = qxl_primary_atomic_check, 745 .atomic_update = qxl_primary_atomic_update, 746 .atomic_disable = qxl_primary_atomic_disable, 747 .prepare_fb = qxl_plane_prepare_fb, 748 .cleanup_fb = qxl_plane_cleanup_fb, 749 }; 750 751 static const struct drm_plane_funcs qxl_primary_plane_funcs = { 752 .update_plane = drm_atomic_helper_update_plane, 753 .disable_plane = drm_atomic_helper_disable_plane, 754 .destroy = drm_primary_helper_destroy, 755 .reset = drm_atomic_helper_plane_reset, 756 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 757 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 758 }; 759 760 static struct drm_plane *qxl_create_plane(struct qxl_device *qdev, 761 unsigned int possible_crtcs, 762 enum drm_plane_type type) 763 { 764 const struct drm_plane_helper_funcs *helper_funcs = NULL; 765 struct drm_plane *plane; 766 const struct drm_plane_funcs *funcs; 767 const uint32_t *formats; 768 int num_formats; 769 int err; 770 771 if (type == DRM_PLANE_TYPE_PRIMARY) { 772 funcs = &qxl_primary_plane_funcs; 773 formats = qxl_primary_plane_formats; 774 num_formats = ARRAY_SIZE(qxl_primary_plane_formats); 775 helper_funcs = &primary_helper_funcs; 776 } else if (type == DRM_PLANE_TYPE_CURSOR) { 777 funcs = &qxl_cursor_plane_funcs; 778 formats = qxl_cursor_plane_formats; 779 helper_funcs = &qxl_cursor_helper_funcs; 780 num_formats = ARRAY_SIZE(qxl_cursor_plane_formats); 781 } else { 782 return ERR_PTR(-EINVAL); 783 } 784 785 plane = kzalloc(sizeof(*plane), GFP_KERNEL); 786 if (!plane) 787 return ERR_PTR(-ENOMEM); 788 789 err = drm_universal_plane_init(&qdev->ddev, plane, possible_crtcs, 790 funcs, formats, num_formats, 791 type, NULL); 792 if (err) 793 goto free_plane; 794 795 drm_plane_helper_add(plane, helper_funcs); 796 797 return plane; 798 799 free_plane: 800 kfree(plane); 801 return ERR_PTR(-EINVAL); 802 } 803 804 static int qdev_crtc_init(struct drm_device *dev, int crtc_id) 805 { 806 struct qxl_crtc *qxl_crtc; 807 struct drm_plane *primary, *cursor; 808 struct qxl_device *qdev = dev->dev_private; 809 int r; 810 811 qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL); 812 if (!qxl_crtc) 813 return -ENOMEM; 814 815 primary = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_PRIMARY); 816 if (IS_ERR(primary)) { 817 r = -ENOMEM; 818 goto free_mem; 819 } 820 821 cursor = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_CURSOR); 822 if (IS_ERR(cursor)) { 823 r = -ENOMEM; 824 goto clean_primary; 825 } 826 827 r = drm_crtc_init_with_planes(dev, &qxl_crtc->base, primary, cursor, 828 &qxl_crtc_funcs, NULL); 829 if (r) 830 goto clean_cursor; 831 832 qxl_crtc->index = crtc_id; 833 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs); 834 return 0; 835 836 clean_cursor: 837 drm_plane_cleanup(cursor); 838 kfree(cursor); 839 clean_primary: 840 drm_plane_cleanup(primary); 841 kfree(primary); 842 free_mem: 843 kfree(qxl_crtc); 844 return r; 845 } 846 847 static void qxl_enc_dpms(struct drm_encoder *encoder, int mode) 848 { 849 DRM_DEBUG("\n"); 850 } 851 852 static void qxl_enc_prepare(struct drm_encoder *encoder) 853 { 854 DRM_DEBUG("\n"); 855 } 856 857 static void qxl_write_monitors_config_for_encoder(struct qxl_device *qdev, 858 struct drm_encoder *encoder) 859 { 860 int i; 861 struct qxl_output *output = drm_encoder_to_qxl_output(encoder); 862 struct qxl_head *head; 863 struct drm_display_mode *mode; 864 865 BUG_ON(!encoder); 866 /* TODO: ugly, do better */ 867 i = output->index; 868 if (!qdev->monitors_config || 869 qdev->monitors_config->max_allowed <= i) { 870 DRM_ERROR( 871 "head number too large or missing monitors config: %p, %d", 872 qdev->monitors_config, 873 qdev->monitors_config ? 874 qdev->monitors_config->max_allowed : -1); 875 return; 876 } 877 if (!encoder->crtc) { 878 DRM_ERROR("missing crtc on encoder %p\n", encoder); 879 return; 880 } 881 if (i != 0) 882 DRM_DEBUG("missing for multiple monitors: no head holes\n"); 883 head = &qdev->monitors_config->heads[i]; 884 head->id = i; 885 if (encoder->crtc->enabled) { 886 mode = &encoder->crtc->mode; 887 head->width = mode->hdisplay; 888 head->height = mode->vdisplay; 889 head->x = encoder->crtc->x; 890 head->y = encoder->crtc->y; 891 if (qdev->monitors_config->count < i + 1) 892 qdev->monitors_config->count = i + 1; 893 } else { 894 head->width = 0; 895 head->height = 0; 896 head->x = 0; 897 head->y = 0; 898 } 899 DRM_DEBUG_KMS("setting head %d to +%d+%d %dx%d out of %d\n", 900 i, head->x, head->y, head->width, head->height, qdev->monitors_config->count); 901 head->flags = 0; 902 /* TODO - somewhere else to call this for multiple monitors 903 * (config_commit?) */ 904 qxl_send_monitors_config(qdev); 905 } 906 907 static void qxl_enc_commit(struct drm_encoder *encoder) 908 { 909 struct qxl_device *qdev = encoder->dev->dev_private; 910 911 qxl_write_monitors_config_for_encoder(qdev, encoder); 912 DRM_DEBUG("\n"); 913 } 914 915 static void qxl_enc_mode_set(struct drm_encoder *encoder, 916 struct drm_display_mode *mode, 917 struct drm_display_mode *adjusted_mode) 918 { 919 DRM_DEBUG("\n"); 920 } 921 922 static int qxl_conn_get_modes(struct drm_connector *connector) 923 { 924 unsigned pwidth = 1024; 925 unsigned pheight = 768; 926 int ret = 0; 927 928 ret = qxl_add_monitors_config_modes(connector, &pwidth, &pheight); 929 if (ret < 0) 930 return ret; 931 ret += qxl_add_common_modes(connector, pwidth, pheight); 932 return ret; 933 } 934 935 static int qxl_conn_mode_valid(struct drm_connector *connector, 936 struct drm_display_mode *mode) 937 { 938 struct drm_device *ddev = connector->dev; 939 struct qxl_device *qdev = ddev->dev_private; 940 int i; 941 942 /* TODO: is this called for user defined modes? (xrandr --add-mode) 943 * TODO: check that the mode fits in the framebuffer */ 944 945 if(qdev->monitors_config_width == mode->hdisplay && 946 qdev->monitors_config_height == mode->vdisplay) 947 return MODE_OK; 948 949 for (i = 0; i < ARRAY_SIZE(common_modes); i++) { 950 if (common_modes[i].w == mode->hdisplay && common_modes[i].h == mode->vdisplay) 951 return MODE_OK; 952 } 953 return MODE_BAD; 954 } 955 956 static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector) 957 { 958 struct qxl_output *qxl_output = 959 drm_connector_to_qxl_output(connector); 960 961 DRM_DEBUG("\n"); 962 return &qxl_output->enc; 963 } 964 965 966 static const struct drm_encoder_helper_funcs qxl_enc_helper_funcs = { 967 .dpms = qxl_enc_dpms, 968 .prepare = qxl_enc_prepare, 969 .mode_set = qxl_enc_mode_set, 970 .commit = qxl_enc_commit, 971 }; 972 973 static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = { 974 .get_modes = qxl_conn_get_modes, 975 .mode_valid = qxl_conn_mode_valid, 976 .best_encoder = qxl_best_encoder, 977 }; 978 979 static enum drm_connector_status qxl_conn_detect( 980 struct drm_connector *connector, 981 bool force) 982 { 983 struct qxl_output *output = 984 drm_connector_to_qxl_output(connector); 985 struct drm_device *ddev = connector->dev; 986 struct qxl_device *qdev = ddev->dev_private; 987 bool connected = false; 988 989 /* The first monitor is always connected */ 990 if (!qdev->client_monitors_config) { 991 if (output->index == 0) 992 connected = true; 993 } else 994 connected = qdev->client_monitors_config->count > output->index && 995 qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]); 996 997 DRM_DEBUG("#%d connected: %d\n", output->index, connected); 998 if (!connected) 999 qxl_monitors_config_set(qdev, output->index, 0, 0, 0, 0, 0); 1000 1001 return connected ? connector_status_connected 1002 : connector_status_disconnected; 1003 } 1004 1005 static int qxl_conn_set_property(struct drm_connector *connector, 1006 struct drm_property *property, 1007 uint64_t value) 1008 { 1009 DRM_DEBUG("\n"); 1010 return 0; 1011 } 1012 1013 static void qxl_conn_destroy(struct drm_connector *connector) 1014 { 1015 struct qxl_output *qxl_output = 1016 drm_connector_to_qxl_output(connector); 1017 1018 drm_connector_unregister(connector); 1019 drm_connector_cleanup(connector); 1020 kfree(qxl_output); 1021 } 1022 1023 static const struct drm_connector_funcs qxl_connector_funcs = { 1024 .dpms = drm_helper_connector_dpms, 1025 .detect = qxl_conn_detect, 1026 .fill_modes = drm_helper_probe_single_connector_modes, 1027 .set_property = qxl_conn_set_property, 1028 .destroy = qxl_conn_destroy, 1029 .reset = drm_atomic_helper_connector_reset, 1030 .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, 1031 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, 1032 }; 1033 1034 static void qxl_enc_destroy(struct drm_encoder *encoder) 1035 { 1036 drm_encoder_cleanup(encoder); 1037 } 1038 1039 static const struct drm_encoder_funcs qxl_enc_funcs = { 1040 .destroy = qxl_enc_destroy, 1041 }; 1042 1043 static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev) 1044 { 1045 if (qdev->hotplug_mode_update_property) 1046 return 0; 1047 1048 qdev->hotplug_mode_update_property = 1049 drm_property_create_range(&qdev->ddev, DRM_MODE_PROP_IMMUTABLE, 1050 "hotplug_mode_update", 0, 1); 1051 1052 return 0; 1053 } 1054 1055 static int qdev_output_init(struct drm_device *dev, int num_output) 1056 { 1057 struct qxl_device *qdev = dev->dev_private; 1058 struct qxl_output *qxl_output; 1059 struct drm_connector *connector; 1060 struct drm_encoder *encoder; 1061 1062 qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL); 1063 if (!qxl_output) 1064 return -ENOMEM; 1065 1066 qxl_output->index = num_output; 1067 1068 connector = &qxl_output->base; 1069 encoder = &qxl_output->enc; 1070 drm_connector_init(dev, &qxl_output->base, 1071 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL); 1072 1073 drm_encoder_init(dev, &qxl_output->enc, &qxl_enc_funcs, 1074 DRM_MODE_ENCODER_VIRTUAL, NULL); 1075 1076 /* we get HPD via client monitors config */ 1077 connector->polled = DRM_CONNECTOR_POLL_HPD; 1078 encoder->possible_crtcs = 1 << num_output; 1079 drm_mode_connector_attach_encoder(&qxl_output->base, 1080 &qxl_output->enc); 1081 drm_encoder_helper_add(encoder, &qxl_enc_helper_funcs); 1082 drm_connector_helper_add(connector, &qxl_connector_helper_funcs); 1083 1084 drm_object_attach_property(&connector->base, 1085 qdev->hotplug_mode_update_property, 0); 1086 drm_object_attach_property(&connector->base, 1087 dev->mode_config.suggested_x_property, 0); 1088 drm_object_attach_property(&connector->base, 1089 dev->mode_config.suggested_y_property, 0); 1090 return 0; 1091 } 1092 1093 static struct drm_framebuffer * 1094 qxl_user_framebuffer_create(struct drm_device *dev, 1095 struct drm_file *file_priv, 1096 const struct drm_mode_fb_cmd2 *mode_cmd) 1097 { 1098 struct drm_gem_object *obj; 1099 struct qxl_framebuffer *qxl_fb; 1100 int ret; 1101 1102 obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]); 1103 if (!obj) 1104 return NULL; 1105 1106 qxl_fb = kzalloc(sizeof(*qxl_fb), GFP_KERNEL); 1107 if (qxl_fb == NULL) 1108 return NULL; 1109 1110 ret = qxl_framebuffer_init(dev, qxl_fb, mode_cmd, obj, &qxl_fb_funcs); 1111 if (ret) { 1112 kfree(qxl_fb); 1113 drm_gem_object_unreference_unlocked(obj); 1114 return NULL; 1115 } 1116 1117 return &qxl_fb->base; 1118 } 1119 1120 static const struct drm_mode_config_funcs qxl_mode_funcs = { 1121 .fb_create = qxl_user_framebuffer_create, 1122 .atomic_check = drm_atomic_helper_check, 1123 .atomic_commit = drm_atomic_helper_commit, 1124 }; 1125 1126 int qxl_create_monitors_object(struct qxl_device *qdev) 1127 { 1128 int ret; 1129 struct drm_gem_object *gobj; 1130 int max_allowed = qxl_num_crtc; 1131 int monitors_config_size = sizeof(struct qxl_monitors_config) + 1132 max_allowed * sizeof(struct qxl_head); 1133 1134 ret = qxl_gem_object_create(qdev, monitors_config_size, 0, 1135 QXL_GEM_DOMAIN_VRAM, 1136 false, false, NULL, &gobj); 1137 if (ret) { 1138 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret); 1139 return -ENOMEM; 1140 } 1141 qdev->monitors_config_bo = gem_to_qxl_bo(gobj); 1142 1143 ret = qxl_bo_pin(qdev->monitors_config_bo, QXL_GEM_DOMAIN_VRAM, NULL); 1144 if (ret) 1145 return ret; 1146 1147 qxl_bo_kmap(qdev->monitors_config_bo, NULL); 1148 1149 qdev->monitors_config = qdev->monitors_config_bo->kptr; 1150 qdev->ram_header->monitors_config = 1151 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0); 1152 1153 memset(qdev->monitors_config, 0, monitors_config_size); 1154 qdev->monitors_config->max_allowed = max_allowed; 1155 return 0; 1156 } 1157 1158 int qxl_destroy_monitors_object(struct qxl_device *qdev) 1159 { 1160 int ret; 1161 1162 qdev->monitors_config = NULL; 1163 qdev->ram_header->monitors_config = 0; 1164 1165 qxl_bo_kunmap(qdev->monitors_config_bo); 1166 ret = qxl_bo_unpin(qdev->monitors_config_bo); 1167 if (ret) 1168 return ret; 1169 1170 qxl_bo_unref(&qdev->monitors_config_bo); 1171 return 0; 1172 } 1173 1174 int qxl_modeset_init(struct qxl_device *qdev) 1175 { 1176 int i; 1177 int ret; 1178 1179 drm_mode_config_init(&qdev->ddev); 1180 1181 ret = qxl_create_monitors_object(qdev); 1182 if (ret) 1183 return ret; 1184 1185 qdev->ddev.mode_config.funcs = (void *)&qxl_mode_funcs; 1186 1187 /* modes will be validated against the framebuffer size */ 1188 qdev->ddev.mode_config.min_width = 0; 1189 qdev->ddev.mode_config.min_height = 0; 1190 qdev->ddev.mode_config.max_width = 8192; 1191 qdev->ddev.mode_config.max_height = 8192; 1192 1193 qdev->ddev.mode_config.fb_base = qdev->vram_base; 1194 1195 drm_mode_create_suggested_offset_properties(&qdev->ddev); 1196 qxl_mode_create_hotplug_mode_update_property(qdev); 1197 1198 for (i = 0 ; i < qxl_num_crtc; ++i) { 1199 qdev_crtc_init(&qdev->ddev, i); 1200 qdev_output_init(&qdev->ddev, i); 1201 } 1202 1203 qxl_display_read_client_monitors_config(qdev); 1204 qdev->mode_info.mode_config_initialized = true; 1205 1206 drm_mode_config_reset(&qdev->ddev); 1207 1208 /* primary surface must be created by this point, to allow 1209 * issuing command queue commands and having them read by 1210 * spice server. */ 1211 qxl_fbdev_init(qdev); 1212 return 0; 1213 } 1214 1215 void qxl_modeset_fini(struct qxl_device *qdev) 1216 { 1217 qxl_fbdev_fini(qdev); 1218 1219 qxl_destroy_monitors_object(qdev); 1220 if (qdev->mode_info.mode_config_initialized) { 1221 drm_mode_config_cleanup(&qdev->ddev); 1222 qdev->mode_info.mode_config_initialized = false; 1223 } 1224 } 1225