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