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 #include <linux/crc32.h> 27 #include <drm/drm_crtc_helper.h> 28 #include <drm/drm_plane_helper.h> 29 #include <drm/drm_atomic_helper.h> 30 #include <drm/drm_atomic.h> 31 32 #include "qxl_drv.h" 33 #include "qxl_object.h" 34 35 static bool qxl_head_enabled(struct qxl_head *head) 36 { 37 return head->width && head->height; 38 } 39 40 static void qxl_alloc_client_monitors_config(struct qxl_device *qdev, unsigned count) 41 { 42 if (qdev->client_monitors_config && 43 count > qdev->client_monitors_config->count) { 44 kfree(qdev->client_monitors_config); 45 qdev->client_monitors_config = NULL; 46 } 47 if (!qdev->client_monitors_config) { 48 qdev->client_monitors_config = kzalloc( 49 sizeof(struct qxl_monitors_config) + 50 sizeof(struct qxl_head) * count, GFP_KERNEL); 51 if (!qdev->client_monitors_config) { 52 qxl_io_log(qdev, 53 "%s: allocation failure for %u heads\n", 54 __func__, count); 55 return; 56 } 57 } 58 qdev->client_monitors_config->count = count; 59 } 60 61 enum { 62 MONITORS_CONFIG_MODIFIED, 63 MONITORS_CONFIG_UNCHANGED, 64 MONITORS_CONFIG_BAD_CRC, 65 }; 66 67 static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev) 68 { 69 int i; 70 int num_monitors; 71 uint32_t crc; 72 int status = MONITORS_CONFIG_UNCHANGED; 73 74 num_monitors = qdev->rom->client_monitors_config.count; 75 crc = crc32(0, (const uint8_t *)&qdev->rom->client_monitors_config, 76 sizeof(qdev->rom->client_monitors_config)); 77 if (crc != qdev->rom->client_monitors_config_crc) { 78 qxl_io_log(qdev, "crc mismatch: have %X (%zd) != %X\n", crc, 79 sizeof(qdev->rom->client_monitors_config), 80 qdev->rom->client_monitors_config_crc); 81 return MONITORS_CONFIG_BAD_CRC; 82 } 83 if (!num_monitors) { 84 DRM_DEBUG_KMS("no client monitors configured\n"); 85 return status; 86 } 87 if (num_monitors > qdev->monitors_config->max_allowed) { 88 DRM_DEBUG_KMS("client monitors list will be truncated: %d < %d\n", 89 qdev->monitors_config->max_allowed, num_monitors); 90 num_monitors = qdev->monitors_config->max_allowed; 91 } else { 92 num_monitors = qdev->rom->client_monitors_config.count; 93 } 94 if (qdev->client_monitors_config 95 && (num_monitors != qdev->client_monitors_config->count)) { 96 status = MONITORS_CONFIG_MODIFIED; 97 } 98 qxl_alloc_client_monitors_config(qdev, num_monitors); 99 /* we copy max from the client but it isn't used */ 100 qdev->client_monitors_config->max_allowed = 101 qdev->monitors_config->max_allowed; 102 for (i = 0 ; i < qdev->client_monitors_config->count ; ++i) { 103 struct qxl_urect *c_rect = 104 &qdev->rom->client_monitors_config.heads[i]; 105 struct qxl_head *client_head = 106 &qdev->client_monitors_config->heads[i]; 107 if (client_head->x != c_rect->left) { 108 client_head->x = c_rect->left; 109 status = MONITORS_CONFIG_MODIFIED; 110 } 111 if (client_head->y != c_rect->top) { 112 client_head->y = c_rect->top; 113 status = MONITORS_CONFIG_MODIFIED; 114 } 115 if (client_head->width != c_rect->right - c_rect->left) { 116 client_head->width = c_rect->right - c_rect->left; 117 status = MONITORS_CONFIG_MODIFIED; 118 } 119 if (client_head->height != c_rect->bottom - c_rect->top) { 120 client_head->height = c_rect->bottom - c_rect->top; 121 status = MONITORS_CONFIG_MODIFIED; 122 } 123 if (client_head->surface_id != 0) { 124 client_head->surface_id = 0; 125 status = MONITORS_CONFIG_MODIFIED; 126 } 127 if (client_head->id != i) { 128 client_head->id = i; 129 status = MONITORS_CONFIG_MODIFIED; 130 } 131 if (client_head->flags != 0) { 132 client_head->flags = 0; 133 status = MONITORS_CONFIG_MODIFIED; 134 } 135 DRM_DEBUG_KMS("read %dx%d+%d+%d\n", client_head->width, client_head->height, 136 client_head->x, client_head->y); 137 } 138 139 return status; 140 } 141 142 static void qxl_update_offset_props(struct qxl_device *qdev) 143 { 144 struct drm_device *dev = &qdev->ddev; 145 struct drm_connector *connector; 146 struct qxl_output *output; 147 struct qxl_head *head; 148 149 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 150 output = drm_connector_to_qxl_output(connector); 151 152 head = &qdev->client_monitors_config->heads[output->index]; 153 154 drm_object_property_set_value(&connector->base, 155 dev->mode_config.suggested_x_property, head->x); 156 drm_object_property_set_value(&connector->base, 157 dev->mode_config.suggested_y_property, head->y); 158 } 159 } 160 161 void qxl_display_read_client_monitors_config(struct qxl_device *qdev) 162 { 163 struct drm_device *dev = &qdev->ddev; 164 int status, retries; 165 166 for (retries = 0; retries < 10; retries++) { 167 status = qxl_display_copy_rom_client_monitors_config(qdev); 168 if (status != MONITORS_CONFIG_BAD_CRC) 169 break; 170 udelay(5); 171 } 172 if (status == MONITORS_CONFIG_BAD_CRC) { 173 qxl_io_log(qdev, "config: bad crc\n"); 174 DRM_DEBUG_KMS("ignoring client monitors config: bad crc"); 175 return; 176 } 177 if (status == MONITORS_CONFIG_UNCHANGED) { 178 qxl_io_log(qdev, "config: unchanged\n"); 179 DRM_DEBUG_KMS("ignoring client monitors config: unchanged"); 180 return; 181 } 182 183 drm_modeset_lock_all(dev); 184 qxl_update_offset_props(qdev); 185 drm_modeset_unlock_all(dev); 186 if (!drm_helper_hpd_irq_event(dev)) { 187 /* notify that the monitor configuration changed, to 188 adjust at the arbitrary resolution */ 189 drm_kms_helper_hotplug_event(dev); 190 } 191 } 192 193 static int qxl_add_monitors_config_modes(struct drm_connector *connector, 194 unsigned *pwidth, 195 unsigned *pheight) 196 { 197 struct drm_device *dev = connector->dev; 198 struct qxl_device *qdev = dev->dev_private; 199 struct qxl_output *output = drm_connector_to_qxl_output(connector); 200 int h = output->index; 201 struct drm_display_mode *mode = NULL; 202 struct qxl_head *head; 203 204 if (!qdev->monitors_config) 205 return 0; 206 if (h >= qdev->monitors_config->max_allowed) 207 return 0; 208 if (!qdev->client_monitors_config) 209 return 0; 210 if (h >= qdev->client_monitors_config->count) 211 return 0; 212 213 head = &qdev->client_monitors_config->heads[h]; 214 DRM_DEBUG_KMS("head %d is %dx%d\n", h, head->width, head->height); 215 216 mode = drm_cvt_mode(dev, head->width, head->height, 60, false, false, 217 false); 218 mode->type |= DRM_MODE_TYPE_PREFERRED; 219 mode->hdisplay = head->width; 220 mode->vdisplay = head->height; 221 drm_mode_set_name(mode); 222 *pwidth = head->width; 223 *pheight = head->height; 224 drm_mode_probed_add(connector, mode); 225 /* remember the last custom size for mode validation */ 226 qdev->monitors_config_width = mode->hdisplay; 227 qdev->monitors_config_height = mode->vdisplay; 228 return 1; 229 } 230 231 static struct mode_size { 232 int w; 233 int h; 234 } common_modes[] = { 235 { 640, 480}, 236 { 720, 480}, 237 { 800, 600}, 238 { 848, 480}, 239 {1024, 768}, 240 {1152, 768}, 241 {1280, 720}, 242 {1280, 800}, 243 {1280, 854}, 244 {1280, 960}, 245 {1280, 1024}, 246 {1440, 900}, 247 {1400, 1050}, 248 {1680, 1050}, 249 {1600, 1200}, 250 {1920, 1080}, 251 {1920, 1200} 252 }; 253 254 static int qxl_add_common_modes(struct drm_connector *connector, 255 unsigned pwidth, 256 unsigned pheight) 257 { 258 struct drm_device *dev = connector->dev; 259 struct drm_display_mode *mode = NULL; 260 int i; 261 for (i = 0; i < ARRAY_SIZE(common_modes); i++) { 262 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 263 60, false, false, false); 264 if (common_modes[i].w == pwidth && common_modes[i].h == pheight) 265 mode->type |= DRM_MODE_TYPE_PREFERRED; 266 drm_mode_probed_add(connector, mode); 267 } 268 return i - 1; 269 } 270 271 static void qxl_crtc_atomic_flush(struct drm_crtc *crtc, 272 struct drm_crtc_state *old_crtc_state) 273 { 274 struct drm_device *dev = crtc->dev; 275 struct drm_pending_vblank_event *event; 276 unsigned long flags; 277 278 if (crtc->state && crtc->state->event) { 279 event = crtc->state->event; 280 crtc->state->event = NULL; 281 282 spin_lock_irqsave(&dev->event_lock, flags); 283 drm_crtc_send_vblank_event(crtc, event); 284 spin_unlock_irqrestore(&dev->event_lock, flags); 285 } 286 } 287 288 static void qxl_crtc_destroy(struct drm_crtc *crtc) 289 { 290 struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc); 291 292 drm_crtc_cleanup(crtc); 293 kfree(qxl_crtc); 294 } 295 296 static const struct drm_crtc_funcs qxl_crtc_funcs = { 297 .set_config = drm_atomic_helper_set_config, 298 .destroy = qxl_crtc_destroy, 299 .page_flip = drm_atomic_helper_page_flip, 300 .reset = drm_atomic_helper_crtc_reset, 301 .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state, 302 .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state, 303 }; 304 305 void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb) 306 { 307 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb); 308 struct qxl_bo *bo = gem_to_qxl_bo(qxl_fb->obj); 309 310 WARN_ON(bo->shadow); 311 drm_gem_object_unreference_unlocked(qxl_fb->obj); 312 drm_framebuffer_cleanup(fb); 313 kfree(qxl_fb); 314 } 315 316 static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb, 317 struct drm_file *file_priv, 318 unsigned flags, unsigned color, 319 struct drm_clip_rect *clips, 320 unsigned num_clips) 321 { 322 /* TODO: vmwgfx where this was cribbed from had locking. Why? */ 323 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb); 324 struct qxl_device *qdev = qxl_fb->base.dev->dev_private; 325 struct drm_clip_rect norect; 326 struct qxl_bo *qobj; 327 int inc = 1; 328 329 drm_modeset_lock_all(fb->dev); 330 331 qobj = gem_to_qxl_bo(qxl_fb->obj); 332 /* if we aren't primary surface ignore this */ 333 if (!qobj->is_primary) { 334 drm_modeset_unlock_all(fb->dev); 335 return 0; 336 } 337 338 if (!num_clips) { 339 num_clips = 1; 340 clips = &norect; 341 norect.x1 = norect.y1 = 0; 342 norect.x2 = fb->width; 343 norect.y2 = fb->height; 344 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) { 345 num_clips /= 2; 346 inc = 2; /* skip source rects */ 347 } 348 349 qxl_draw_dirty_fb(qdev, qxl_fb, qobj, flags, color, 350 clips, num_clips, inc); 351 352 drm_modeset_unlock_all(fb->dev); 353 354 return 0; 355 } 356 357 static const struct drm_framebuffer_funcs qxl_fb_funcs = { 358 .destroy = qxl_user_framebuffer_destroy, 359 .dirty = qxl_framebuffer_surface_dirty, 360 /* TODO? 361 * .create_handle = qxl_user_framebuffer_create_handle, */ 362 }; 363 364 int 365 qxl_framebuffer_init(struct drm_device *dev, 366 struct qxl_framebuffer *qfb, 367 const struct drm_mode_fb_cmd2 *mode_cmd, 368 struct drm_gem_object *obj, 369 const struct drm_framebuffer_funcs *funcs) 370 { 371 int ret; 372 373 qfb->obj = obj; 374 drm_helper_mode_fill_fb_struct(dev, &qfb->base, mode_cmd); 375 ret = drm_framebuffer_init(dev, &qfb->base, funcs); 376 if (ret) { 377 qfb->obj = NULL; 378 return ret; 379 } 380 return 0; 381 } 382 383 static bool qxl_crtc_mode_fixup(struct drm_crtc *crtc, 384 const struct drm_display_mode *mode, 385 struct drm_display_mode *adjusted_mode) 386 { 387 struct drm_device *dev = crtc->dev; 388 struct qxl_device *qdev = dev->dev_private; 389 390 qxl_io_log(qdev, "%s: (%d,%d) => (%d,%d)\n", 391 __func__, 392 mode->hdisplay, mode->vdisplay, 393 adjusted_mode->hdisplay, 394 adjusted_mode->vdisplay); 395 return true; 396 } 397 398 static void 399 qxl_send_monitors_config(struct qxl_device *qdev) 400 { 401 int i; 402 403 BUG_ON(!qdev->ram_header->monitors_config); 404 405 if (qdev->monitors_config->count == 0) { 406 qxl_io_log(qdev, "%s: 0 monitors??\n", __func__); 407 return; 408 } 409 for (i = 0 ; i < qdev->monitors_config->count ; ++i) { 410 struct qxl_head *head = &qdev->monitors_config->heads[i]; 411 412 if (head->y > 8192 || head->x > 8192 || 413 head->width > 8192 || head->height > 8192) { 414 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n", 415 i, head->width, head->height, 416 head->x, head->y); 417 return; 418 } 419 } 420 qxl_io_monitors_config(qdev); 421 } 422 423 static void qxl_monitors_config_set(struct qxl_device *qdev, 424 int index, 425 unsigned x, unsigned y, 426 unsigned width, unsigned height, 427 unsigned surf_id) 428 { 429 DRM_DEBUG_KMS("%d:%dx%d+%d+%d\n", index, width, height, x, y); 430 qdev->monitors_config->heads[index].x = x; 431 qdev->monitors_config->heads[index].y = y; 432 qdev->monitors_config->heads[index].width = width; 433 qdev->monitors_config->heads[index].height = height; 434 qdev->monitors_config->heads[index].surface_id = surf_id; 435 436 } 437 438 static void qxl_mode_set_nofb(struct drm_crtc *crtc) 439 { 440 struct qxl_device *qdev = crtc->dev->dev_private; 441 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 442 struct drm_display_mode *mode = &crtc->mode; 443 444 DRM_DEBUG("Mode set (%d,%d)\n", 445 mode->hdisplay, mode->vdisplay); 446 447 qxl_monitors_config_set(qdev, qcrtc->index, 0, 0, 448 mode->hdisplay, mode->vdisplay, 0); 449 450 } 451 452 static void qxl_crtc_atomic_enable(struct drm_crtc *crtc, 453 struct drm_crtc_state *old_state) 454 { 455 DRM_DEBUG("\n"); 456 } 457 458 static void qxl_crtc_atomic_disable(struct drm_crtc *crtc, 459 struct drm_crtc_state *old_state) 460 { 461 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 462 struct qxl_device *qdev = crtc->dev->dev_private; 463 464 qxl_monitors_config_set(qdev, qcrtc->index, 0, 0, 0, 0, 0); 465 466 qxl_send_monitors_config(qdev); 467 } 468 469 static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = { 470 .mode_fixup = qxl_crtc_mode_fixup, 471 .mode_set_nofb = qxl_mode_set_nofb, 472 .atomic_flush = qxl_crtc_atomic_flush, 473 .atomic_enable = qxl_crtc_atomic_enable, 474 .atomic_disable = qxl_crtc_atomic_disable, 475 }; 476 477 static int qxl_primary_atomic_check(struct drm_plane *plane, 478 struct drm_plane_state *state) 479 { 480 struct qxl_device *qdev = plane->dev->dev_private; 481 struct qxl_framebuffer *qfb; 482 struct qxl_bo *bo; 483 484 if (!state->crtc || !state->fb) 485 return 0; 486 487 qfb = to_qxl_framebuffer(state->fb); 488 bo = gem_to_qxl_bo(qfb->obj); 489 490 if (bo->surf.stride * bo->surf.height > qdev->vram_size) { 491 DRM_ERROR("Mode doesn't fit in vram size (vgamem)"); 492 return -EINVAL; 493 } 494 495 return 0; 496 } 497 498 static void qxl_primary_atomic_update(struct drm_plane *plane, 499 struct drm_plane_state *old_state) 500 { 501 struct qxl_device *qdev = plane->dev->dev_private; 502 struct qxl_framebuffer *qfb = 503 to_qxl_framebuffer(plane->state->fb); 504 struct qxl_framebuffer *qfb_old; 505 struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj); 506 struct qxl_bo *bo_old; 507 struct drm_clip_rect norect = { 508 .x1 = 0, 509 .y1 = 0, 510 .x2 = qfb->base.width, 511 .y2 = qfb->base.height 512 }; 513 bool same_shadow = false; 514 515 if (old_state->fb) { 516 qfb_old = to_qxl_framebuffer(old_state->fb); 517 bo_old = gem_to_qxl_bo(qfb_old->obj); 518 } else { 519 bo_old = NULL; 520 } 521 522 if (bo == bo_old) 523 return; 524 525 if (bo_old && bo_old->shadow && bo->shadow && 526 bo_old->shadow == bo->shadow) { 527 same_shadow = true; 528 } 529 530 if (bo_old && bo_old->is_primary) { 531 if (!same_shadow) 532 qxl_io_destroy_primary(qdev); 533 bo_old->is_primary = false; 534 } 535 536 if (!bo->is_primary) { 537 if (!same_shadow) 538 qxl_io_create_primary(qdev, 0, bo); 539 bo->is_primary = true; 540 } 541 542 qxl_draw_dirty_fb(qdev, qfb, bo, 0, 0, &norect, 1, 1); 543 } 544 545 static void qxl_primary_atomic_disable(struct drm_plane *plane, 546 struct drm_plane_state *old_state) 547 { 548 struct qxl_device *qdev = plane->dev->dev_private; 549 550 if (old_state->fb) { 551 struct qxl_framebuffer *qfb = 552 to_qxl_framebuffer(old_state->fb); 553 struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj); 554 555 if (bo->is_primary) { 556 qxl_io_destroy_primary(qdev); 557 bo->is_primary = false; 558 } 559 } 560 } 561 562 static int qxl_plane_atomic_check(struct drm_plane *plane, 563 struct drm_plane_state *state) 564 { 565 return 0; 566 } 567 568 static void qxl_cursor_atomic_update(struct drm_plane *plane, 569 struct drm_plane_state *old_state) 570 { 571 struct drm_device *dev = plane->dev; 572 struct qxl_device *qdev = dev->dev_private; 573 struct drm_framebuffer *fb = plane->state->fb; 574 struct qxl_release *release; 575 struct qxl_cursor_cmd *cmd; 576 struct qxl_cursor *cursor; 577 struct drm_gem_object *obj; 578 struct qxl_bo *cursor_bo, *user_bo = NULL; 579 int ret; 580 void *user_ptr; 581 int size = 64*64*4; 582 583 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), 584 QXL_RELEASE_CURSOR_CMD, 585 &release, NULL); 586 if (ret) 587 return; 588 589 if (fb != old_state->fb) { 590 obj = to_qxl_framebuffer(fb)->obj; 591 user_bo = gem_to_qxl_bo(obj); 592 593 /* pinning is done in the prepare/cleanup framevbuffer */ 594 ret = qxl_bo_kmap(user_bo, &user_ptr); 595 if (ret) 596 goto out_free_release; 597 598 ret = qxl_alloc_bo_reserved(qdev, release, 599 sizeof(struct qxl_cursor) + size, 600 &cursor_bo); 601 if (ret) 602 goto out_kunmap; 603 604 ret = qxl_release_reserve_list(release, true); 605 if (ret) 606 goto out_free_bo; 607 608 ret = qxl_bo_kmap(cursor_bo, (void **)&cursor); 609 if (ret) 610 goto out_backoff; 611 612 cursor->header.unique = 0; 613 cursor->header.type = SPICE_CURSOR_TYPE_ALPHA; 614 cursor->header.width = 64; 615 cursor->header.height = 64; 616 cursor->header.hot_spot_x = fb->hot_x; 617 cursor->header.hot_spot_y = fb->hot_y; 618 cursor->data_size = size; 619 cursor->chunk.next_chunk = 0; 620 cursor->chunk.prev_chunk = 0; 621 cursor->chunk.data_size = size; 622 memcpy(cursor->chunk.data, user_ptr, size); 623 qxl_bo_kunmap(cursor_bo); 624 qxl_bo_kunmap(user_bo); 625 626 cmd = (struct qxl_cursor_cmd *) qxl_release_map(qdev, release); 627 cmd->u.set.visible = 1; 628 cmd->u.set.shape = qxl_bo_physical_address(qdev, 629 cursor_bo, 0); 630 cmd->type = QXL_CURSOR_SET; 631 } else { 632 633 ret = qxl_release_reserve_list(release, true); 634 if (ret) 635 goto out_free_release; 636 637 cmd = (struct qxl_cursor_cmd *) qxl_release_map(qdev, release); 638 cmd->type = QXL_CURSOR_MOVE; 639 } 640 641 cmd->u.position.x = plane->state->crtc_x + fb->hot_x; 642 cmd->u.position.y = plane->state->crtc_y + fb->hot_y; 643 644 qxl_release_unmap(qdev, release, &cmd->release_info); 645 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 646 qxl_release_fence_buffer_objects(release); 647 648 return; 649 650 out_backoff: 651 qxl_release_backoff_reserve_list(release); 652 out_free_bo: 653 qxl_bo_unref(&cursor_bo); 654 out_kunmap: 655 qxl_bo_kunmap(user_bo); 656 out_free_release: 657 qxl_release_free(qdev, release); 658 return; 659 660 } 661 662 static void qxl_cursor_atomic_disable(struct drm_plane *plane, 663 struct drm_plane_state *old_state) 664 { 665 struct qxl_device *qdev = plane->dev->dev_private; 666 struct qxl_release *release; 667 struct qxl_cursor_cmd *cmd; 668 int ret; 669 670 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), 671 QXL_RELEASE_CURSOR_CMD, 672 &release, NULL); 673 if (ret) 674 return; 675 676 ret = qxl_release_reserve_list(release, true); 677 if (ret) { 678 qxl_release_free(qdev, release); 679 return; 680 } 681 682 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 683 cmd->type = QXL_CURSOR_HIDE; 684 qxl_release_unmap(qdev, release, &cmd->release_info); 685 686 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 687 qxl_release_fence_buffer_objects(release); 688 } 689 690 static int qxl_plane_prepare_fb(struct drm_plane *plane, 691 struct drm_plane_state *new_state) 692 { 693 struct qxl_device *qdev = plane->dev->dev_private; 694 struct drm_gem_object *obj; 695 struct qxl_bo *user_bo, *old_bo = NULL; 696 int ret; 697 698 if (!new_state->fb) 699 return 0; 700 701 obj = to_qxl_framebuffer(new_state->fb)->obj; 702 user_bo = gem_to_qxl_bo(obj); 703 704 if (plane->type == DRM_PLANE_TYPE_PRIMARY && 705 user_bo->is_dumb && !user_bo->shadow) { 706 if (plane->state->fb) { 707 obj = to_qxl_framebuffer(plane->state->fb)->obj; 708 old_bo = gem_to_qxl_bo(obj); 709 } 710 if (old_bo && old_bo->shadow && 711 user_bo->gem_base.size == old_bo->gem_base.size && 712 plane->state->crtc == new_state->crtc && 713 plane->state->crtc_w == new_state->crtc_w && 714 plane->state->crtc_h == new_state->crtc_h && 715 plane->state->src_x == new_state->src_x && 716 plane->state->src_y == new_state->src_y && 717 plane->state->src_w == new_state->src_w && 718 plane->state->src_h == new_state->src_h && 719 plane->state->rotation == new_state->rotation && 720 plane->state->zpos == new_state->zpos) { 721 drm_gem_object_get(&old_bo->shadow->gem_base); 722 user_bo->shadow = old_bo->shadow; 723 } else { 724 qxl_bo_create(qdev, user_bo->gem_base.size, 725 true, true, QXL_GEM_DOMAIN_VRAM, NULL, 726 &user_bo->shadow); 727 } 728 } 729 730 ret = qxl_bo_pin(user_bo, QXL_GEM_DOMAIN_CPU, NULL); 731 if (ret) 732 return ret; 733 734 return 0; 735 } 736 737 static void qxl_plane_cleanup_fb(struct drm_plane *plane, 738 struct drm_plane_state *old_state) 739 { 740 struct drm_gem_object *obj; 741 struct qxl_bo *user_bo; 742 743 if (!old_state->fb) { 744 /* 745 * we never executed prepare_fb, so there's nothing to 746 * unpin. 747 */ 748 return; 749 } 750 751 obj = to_qxl_framebuffer(old_state->fb)->obj; 752 user_bo = gem_to_qxl_bo(obj); 753 qxl_bo_unpin(user_bo); 754 755 if (user_bo->shadow && !user_bo->is_primary) { 756 drm_gem_object_put_unlocked(&user_bo->shadow->gem_base); 757 user_bo->shadow = NULL; 758 } 759 } 760 761 static const uint32_t qxl_cursor_plane_formats[] = { 762 DRM_FORMAT_ARGB8888, 763 }; 764 765 static const struct drm_plane_helper_funcs qxl_cursor_helper_funcs = { 766 .atomic_check = qxl_plane_atomic_check, 767 .atomic_update = qxl_cursor_atomic_update, 768 .atomic_disable = qxl_cursor_atomic_disable, 769 .prepare_fb = qxl_plane_prepare_fb, 770 .cleanup_fb = qxl_plane_cleanup_fb, 771 }; 772 773 static const struct drm_plane_funcs qxl_cursor_plane_funcs = { 774 .update_plane = drm_atomic_helper_update_plane, 775 .disable_plane = drm_atomic_helper_disable_plane, 776 .destroy = drm_primary_helper_destroy, 777 .reset = drm_atomic_helper_plane_reset, 778 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 779 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 780 }; 781 782 static const uint32_t qxl_primary_plane_formats[] = { 783 DRM_FORMAT_XRGB8888, 784 DRM_FORMAT_ARGB8888, 785 }; 786 787 static const struct drm_plane_helper_funcs primary_helper_funcs = { 788 .atomic_check = qxl_primary_atomic_check, 789 .atomic_update = qxl_primary_atomic_update, 790 .atomic_disable = qxl_primary_atomic_disable, 791 .prepare_fb = qxl_plane_prepare_fb, 792 .cleanup_fb = qxl_plane_cleanup_fb, 793 }; 794 795 static const struct drm_plane_funcs qxl_primary_plane_funcs = { 796 .update_plane = drm_atomic_helper_update_plane, 797 .disable_plane = drm_atomic_helper_disable_plane, 798 .destroy = drm_primary_helper_destroy, 799 .reset = drm_atomic_helper_plane_reset, 800 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 801 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 802 }; 803 804 static struct drm_plane *qxl_create_plane(struct qxl_device *qdev, 805 unsigned int possible_crtcs, 806 enum drm_plane_type type) 807 { 808 const struct drm_plane_helper_funcs *helper_funcs = NULL; 809 struct drm_plane *plane; 810 const struct drm_plane_funcs *funcs; 811 const uint32_t *formats; 812 int num_formats; 813 int err; 814 815 if (type == DRM_PLANE_TYPE_PRIMARY) { 816 funcs = &qxl_primary_plane_funcs; 817 formats = qxl_primary_plane_formats; 818 num_formats = ARRAY_SIZE(qxl_primary_plane_formats); 819 helper_funcs = &primary_helper_funcs; 820 } else if (type == DRM_PLANE_TYPE_CURSOR) { 821 funcs = &qxl_cursor_plane_funcs; 822 formats = qxl_cursor_plane_formats; 823 helper_funcs = &qxl_cursor_helper_funcs; 824 num_formats = ARRAY_SIZE(qxl_cursor_plane_formats); 825 } else { 826 return ERR_PTR(-EINVAL); 827 } 828 829 plane = kzalloc(sizeof(*plane), GFP_KERNEL); 830 if (!plane) 831 return ERR_PTR(-ENOMEM); 832 833 err = drm_universal_plane_init(&qdev->ddev, plane, possible_crtcs, 834 funcs, formats, num_formats, 835 NULL, type, NULL); 836 if (err) 837 goto free_plane; 838 839 drm_plane_helper_add(plane, helper_funcs); 840 841 return plane; 842 843 free_plane: 844 kfree(plane); 845 return ERR_PTR(-EINVAL); 846 } 847 848 static int qdev_crtc_init(struct drm_device *dev, int crtc_id) 849 { 850 struct qxl_crtc *qxl_crtc; 851 struct drm_plane *primary, *cursor; 852 struct qxl_device *qdev = dev->dev_private; 853 int r; 854 855 qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL); 856 if (!qxl_crtc) 857 return -ENOMEM; 858 859 primary = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_PRIMARY); 860 if (IS_ERR(primary)) { 861 r = -ENOMEM; 862 goto free_mem; 863 } 864 865 cursor = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_CURSOR); 866 if (IS_ERR(cursor)) { 867 r = -ENOMEM; 868 goto clean_primary; 869 } 870 871 r = drm_crtc_init_with_planes(dev, &qxl_crtc->base, primary, cursor, 872 &qxl_crtc_funcs, NULL); 873 if (r) 874 goto clean_cursor; 875 876 qxl_crtc->index = crtc_id; 877 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs); 878 return 0; 879 880 clean_cursor: 881 drm_plane_cleanup(cursor); 882 kfree(cursor); 883 clean_primary: 884 drm_plane_cleanup(primary); 885 kfree(primary); 886 free_mem: 887 kfree(qxl_crtc); 888 return r; 889 } 890 891 static void qxl_enc_dpms(struct drm_encoder *encoder, int mode) 892 { 893 DRM_DEBUG("\n"); 894 } 895 896 static void qxl_enc_prepare(struct drm_encoder *encoder) 897 { 898 DRM_DEBUG("\n"); 899 } 900 901 static void qxl_write_monitors_config_for_encoder(struct qxl_device *qdev, 902 struct drm_encoder *encoder) 903 { 904 int i; 905 struct qxl_output *output = drm_encoder_to_qxl_output(encoder); 906 struct qxl_head *head; 907 struct drm_display_mode *mode; 908 909 BUG_ON(!encoder); 910 /* TODO: ugly, do better */ 911 i = output->index; 912 if (!qdev->monitors_config || 913 qdev->monitors_config->max_allowed <= i) { 914 DRM_ERROR( 915 "head number too large or missing monitors config: %p, %d", 916 qdev->monitors_config, 917 qdev->monitors_config ? 918 qdev->monitors_config->max_allowed : -1); 919 return; 920 } 921 if (!encoder->crtc) { 922 DRM_ERROR("missing crtc on encoder %p\n", encoder); 923 return; 924 } 925 if (i != 0) 926 DRM_DEBUG("missing for multiple monitors: no head holes\n"); 927 head = &qdev->monitors_config->heads[i]; 928 head->id = i; 929 if (encoder->crtc->enabled) { 930 mode = &encoder->crtc->mode; 931 head->width = mode->hdisplay; 932 head->height = mode->vdisplay; 933 head->x = encoder->crtc->x; 934 head->y = encoder->crtc->y; 935 if (qdev->monitors_config->count < i + 1) 936 qdev->monitors_config->count = i + 1; 937 } else { 938 head->width = 0; 939 head->height = 0; 940 head->x = 0; 941 head->y = 0; 942 } 943 DRM_DEBUG_KMS("setting head %d to +%d+%d %dx%d out of %d\n", 944 i, head->x, head->y, head->width, head->height, qdev->monitors_config->count); 945 head->flags = 0; 946 /* TODO - somewhere else to call this for multiple monitors 947 * (config_commit?) */ 948 qxl_send_monitors_config(qdev); 949 } 950 951 static void qxl_enc_commit(struct drm_encoder *encoder) 952 { 953 struct qxl_device *qdev = encoder->dev->dev_private; 954 955 qxl_write_monitors_config_for_encoder(qdev, encoder); 956 DRM_DEBUG("\n"); 957 } 958 959 static void qxl_enc_mode_set(struct drm_encoder *encoder, 960 struct drm_display_mode *mode, 961 struct drm_display_mode *adjusted_mode) 962 { 963 DRM_DEBUG("\n"); 964 } 965 966 static int qxl_conn_get_modes(struct drm_connector *connector) 967 { 968 unsigned pwidth = 1024; 969 unsigned pheight = 768; 970 int ret = 0; 971 972 ret = qxl_add_monitors_config_modes(connector, &pwidth, &pheight); 973 if (ret < 0) 974 return ret; 975 ret += qxl_add_common_modes(connector, pwidth, pheight); 976 return ret; 977 } 978 979 static int qxl_conn_mode_valid(struct drm_connector *connector, 980 struct drm_display_mode *mode) 981 { 982 struct drm_device *ddev = connector->dev; 983 struct qxl_device *qdev = ddev->dev_private; 984 int i; 985 986 /* TODO: is this called for user defined modes? (xrandr --add-mode) 987 * TODO: check that the mode fits in the framebuffer */ 988 989 if(qdev->monitors_config_width == mode->hdisplay && 990 qdev->monitors_config_height == mode->vdisplay) 991 return MODE_OK; 992 993 for (i = 0; i < ARRAY_SIZE(common_modes); i++) { 994 if (common_modes[i].w == mode->hdisplay && common_modes[i].h == mode->vdisplay) 995 return MODE_OK; 996 } 997 return MODE_BAD; 998 } 999 1000 static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector) 1001 { 1002 struct qxl_output *qxl_output = 1003 drm_connector_to_qxl_output(connector); 1004 1005 DRM_DEBUG("\n"); 1006 return &qxl_output->enc; 1007 } 1008 1009 1010 static const struct drm_encoder_helper_funcs qxl_enc_helper_funcs = { 1011 .dpms = qxl_enc_dpms, 1012 .prepare = qxl_enc_prepare, 1013 .mode_set = qxl_enc_mode_set, 1014 .commit = qxl_enc_commit, 1015 }; 1016 1017 static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = { 1018 .get_modes = qxl_conn_get_modes, 1019 .mode_valid = qxl_conn_mode_valid, 1020 .best_encoder = qxl_best_encoder, 1021 }; 1022 1023 static enum drm_connector_status qxl_conn_detect( 1024 struct drm_connector *connector, 1025 bool force) 1026 { 1027 struct qxl_output *output = 1028 drm_connector_to_qxl_output(connector); 1029 struct drm_device *ddev = connector->dev; 1030 struct qxl_device *qdev = ddev->dev_private; 1031 bool connected = false; 1032 1033 /* The first monitor is always connected */ 1034 if (!qdev->client_monitors_config) { 1035 if (output->index == 0) 1036 connected = true; 1037 } else 1038 connected = qdev->client_monitors_config->count > output->index && 1039 qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]); 1040 1041 DRM_DEBUG("#%d connected: %d\n", output->index, connected); 1042 if (!connected) 1043 qxl_monitors_config_set(qdev, output->index, 0, 0, 0, 0, 0); 1044 1045 return connected ? connector_status_connected 1046 : connector_status_disconnected; 1047 } 1048 1049 static int qxl_conn_set_property(struct drm_connector *connector, 1050 struct drm_property *property, 1051 uint64_t value) 1052 { 1053 DRM_DEBUG("\n"); 1054 return 0; 1055 } 1056 1057 static void qxl_conn_destroy(struct drm_connector *connector) 1058 { 1059 struct qxl_output *qxl_output = 1060 drm_connector_to_qxl_output(connector); 1061 1062 drm_connector_unregister(connector); 1063 drm_connector_cleanup(connector); 1064 kfree(qxl_output); 1065 } 1066 1067 static const struct drm_connector_funcs qxl_connector_funcs = { 1068 .dpms = drm_helper_connector_dpms, 1069 .detect = qxl_conn_detect, 1070 .fill_modes = drm_helper_probe_single_connector_modes, 1071 .set_property = qxl_conn_set_property, 1072 .destroy = qxl_conn_destroy, 1073 .reset = drm_atomic_helper_connector_reset, 1074 .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, 1075 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, 1076 }; 1077 1078 static void qxl_enc_destroy(struct drm_encoder *encoder) 1079 { 1080 drm_encoder_cleanup(encoder); 1081 } 1082 1083 static const struct drm_encoder_funcs qxl_enc_funcs = { 1084 .destroy = qxl_enc_destroy, 1085 }; 1086 1087 static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev) 1088 { 1089 if (qdev->hotplug_mode_update_property) 1090 return 0; 1091 1092 qdev->hotplug_mode_update_property = 1093 drm_property_create_range(&qdev->ddev, DRM_MODE_PROP_IMMUTABLE, 1094 "hotplug_mode_update", 0, 1); 1095 1096 return 0; 1097 } 1098 1099 static int qdev_output_init(struct drm_device *dev, int num_output) 1100 { 1101 struct qxl_device *qdev = dev->dev_private; 1102 struct qxl_output *qxl_output; 1103 struct drm_connector *connector; 1104 struct drm_encoder *encoder; 1105 1106 qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL); 1107 if (!qxl_output) 1108 return -ENOMEM; 1109 1110 qxl_output->index = num_output; 1111 1112 connector = &qxl_output->base; 1113 encoder = &qxl_output->enc; 1114 drm_connector_init(dev, &qxl_output->base, 1115 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL); 1116 1117 drm_encoder_init(dev, &qxl_output->enc, &qxl_enc_funcs, 1118 DRM_MODE_ENCODER_VIRTUAL, NULL); 1119 1120 /* we get HPD via client monitors config */ 1121 connector->polled = DRM_CONNECTOR_POLL_HPD; 1122 encoder->possible_crtcs = 1 << num_output; 1123 drm_mode_connector_attach_encoder(&qxl_output->base, 1124 &qxl_output->enc); 1125 drm_encoder_helper_add(encoder, &qxl_enc_helper_funcs); 1126 drm_connector_helper_add(connector, &qxl_connector_helper_funcs); 1127 1128 drm_object_attach_property(&connector->base, 1129 qdev->hotplug_mode_update_property, 0); 1130 drm_object_attach_property(&connector->base, 1131 dev->mode_config.suggested_x_property, 0); 1132 drm_object_attach_property(&connector->base, 1133 dev->mode_config.suggested_y_property, 0); 1134 return 0; 1135 } 1136 1137 static struct drm_framebuffer * 1138 qxl_user_framebuffer_create(struct drm_device *dev, 1139 struct drm_file *file_priv, 1140 const struct drm_mode_fb_cmd2 *mode_cmd) 1141 { 1142 struct drm_gem_object *obj; 1143 struct qxl_framebuffer *qxl_fb; 1144 int ret; 1145 1146 obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]); 1147 if (!obj) 1148 return NULL; 1149 1150 qxl_fb = kzalloc(sizeof(*qxl_fb), GFP_KERNEL); 1151 if (qxl_fb == NULL) 1152 return NULL; 1153 1154 ret = qxl_framebuffer_init(dev, qxl_fb, mode_cmd, obj, &qxl_fb_funcs); 1155 if (ret) { 1156 kfree(qxl_fb); 1157 drm_gem_object_unreference_unlocked(obj); 1158 return NULL; 1159 } 1160 1161 return &qxl_fb->base; 1162 } 1163 1164 static const struct drm_mode_config_funcs qxl_mode_funcs = { 1165 .fb_create = qxl_user_framebuffer_create, 1166 .atomic_check = drm_atomic_helper_check, 1167 .atomic_commit = drm_atomic_helper_commit, 1168 }; 1169 1170 int qxl_create_monitors_object(struct qxl_device *qdev) 1171 { 1172 int ret; 1173 struct drm_gem_object *gobj; 1174 int max_allowed = qxl_num_crtc; 1175 int monitors_config_size = sizeof(struct qxl_monitors_config) + 1176 max_allowed * sizeof(struct qxl_head); 1177 1178 ret = qxl_gem_object_create(qdev, monitors_config_size, 0, 1179 QXL_GEM_DOMAIN_VRAM, 1180 false, false, NULL, &gobj); 1181 if (ret) { 1182 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret); 1183 return -ENOMEM; 1184 } 1185 qdev->monitors_config_bo = gem_to_qxl_bo(gobj); 1186 1187 ret = qxl_bo_pin(qdev->monitors_config_bo, QXL_GEM_DOMAIN_VRAM, NULL); 1188 if (ret) 1189 return ret; 1190 1191 qxl_bo_kmap(qdev->monitors_config_bo, NULL); 1192 1193 qdev->monitors_config = qdev->monitors_config_bo->kptr; 1194 qdev->ram_header->monitors_config = 1195 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0); 1196 1197 memset(qdev->monitors_config, 0, monitors_config_size); 1198 qdev->monitors_config->max_allowed = max_allowed; 1199 return 0; 1200 } 1201 1202 int qxl_destroy_monitors_object(struct qxl_device *qdev) 1203 { 1204 int ret; 1205 1206 qdev->monitors_config = NULL; 1207 qdev->ram_header->monitors_config = 0; 1208 1209 qxl_bo_kunmap(qdev->monitors_config_bo); 1210 ret = qxl_bo_unpin(qdev->monitors_config_bo); 1211 if (ret) 1212 return ret; 1213 1214 qxl_bo_unref(&qdev->monitors_config_bo); 1215 return 0; 1216 } 1217 1218 int qxl_modeset_init(struct qxl_device *qdev) 1219 { 1220 int i; 1221 int ret; 1222 1223 drm_mode_config_init(&qdev->ddev); 1224 1225 ret = qxl_create_monitors_object(qdev); 1226 if (ret) 1227 return ret; 1228 1229 qdev->ddev.mode_config.funcs = (void *)&qxl_mode_funcs; 1230 1231 /* modes will be validated against the framebuffer size */ 1232 qdev->ddev.mode_config.min_width = 0; 1233 qdev->ddev.mode_config.min_height = 0; 1234 qdev->ddev.mode_config.max_width = 8192; 1235 qdev->ddev.mode_config.max_height = 8192; 1236 1237 qdev->ddev.mode_config.fb_base = qdev->vram_base; 1238 1239 drm_mode_create_suggested_offset_properties(&qdev->ddev); 1240 qxl_mode_create_hotplug_mode_update_property(qdev); 1241 1242 for (i = 0 ; i < qxl_num_crtc; ++i) { 1243 qdev_crtc_init(&qdev->ddev, i); 1244 qdev_output_init(&qdev->ddev, i); 1245 } 1246 1247 qxl_display_read_client_monitors_config(qdev); 1248 qdev->mode_info.mode_config_initialized = true; 1249 1250 drm_mode_config_reset(&qdev->ddev); 1251 1252 /* primary surface must be created by this point, to allow 1253 * issuing command queue commands and having them read by 1254 * spice server. */ 1255 qxl_fbdev_init(qdev); 1256 return 0; 1257 } 1258 1259 void qxl_modeset_fini(struct qxl_device *qdev) 1260 { 1261 qxl_fbdev_fini(qdev); 1262 1263 qxl_destroy_monitors_object(qdev); 1264 if (qdev->mode_info.mode_config_initialized) { 1265 drm_mode_config_cleanup(&qdev->ddev); 1266 qdev->mode_info.mode_config_initialized = false; 1267 } 1268 } 1269