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 qobj = gem_to_qxl_bo(qxl_fb->obj); 403 /* if we aren't primary surface ignore this */ 404 if (!qobj->is_primary) 405 return 0; 406 407 if (!num_clips) { 408 num_clips = 1; 409 clips = &norect; 410 norect.x1 = norect.y1 = 0; 411 norect.x2 = fb->width; 412 norect.y2 = fb->height; 413 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) { 414 num_clips /= 2; 415 inc = 2; /* skip source rects */ 416 } 417 418 qxl_draw_dirty_fb(qdev, qxl_fb, qobj, flags, color, 419 clips, num_clips, inc); 420 return 0; 421 } 422 423 static const struct drm_framebuffer_funcs qxl_fb_funcs = { 424 .destroy = qxl_user_framebuffer_destroy, 425 .dirty = qxl_framebuffer_surface_dirty, 426 /* TODO? 427 * .create_handle = qxl_user_framebuffer_create_handle, */ 428 }; 429 430 int 431 qxl_framebuffer_init(struct drm_device *dev, 432 struct qxl_framebuffer *qfb, 433 struct drm_mode_fb_cmd2 *mode_cmd, 434 struct drm_gem_object *obj) 435 { 436 int ret; 437 438 qfb->obj = obj; 439 ret = drm_framebuffer_init(dev, &qfb->base, &qxl_fb_funcs); 440 if (ret) { 441 qfb->obj = NULL; 442 return ret; 443 } 444 drm_helper_mode_fill_fb_struct(&qfb->base, mode_cmd); 445 return 0; 446 } 447 448 static void qxl_crtc_dpms(struct drm_crtc *crtc, int mode) 449 { 450 } 451 452 static bool qxl_crtc_mode_fixup(struct drm_crtc *crtc, 453 const struct drm_display_mode *mode, 454 struct drm_display_mode *adjusted_mode) 455 { 456 struct drm_device *dev = crtc->dev; 457 struct qxl_device *qdev = dev->dev_private; 458 459 qxl_io_log(qdev, "%s: (%d,%d) => (%d,%d)\n", 460 __func__, 461 mode->hdisplay, mode->vdisplay, 462 adjusted_mode->hdisplay, 463 adjusted_mode->vdisplay); 464 return true; 465 } 466 467 void 468 qxl_send_monitors_config(struct qxl_device *qdev) 469 { 470 int i; 471 472 BUG_ON(!qdev->ram_header->monitors_config); 473 474 if (qdev->monitors_config->count == 0) { 475 qxl_io_log(qdev, "%s: 0 monitors??\n", __func__); 476 return; 477 } 478 for (i = 0 ; i < qdev->monitors_config->count ; ++i) { 479 struct qxl_head *head = &qdev->monitors_config->heads[i]; 480 481 if (head->y > 8192 || head->x > 8192 || 482 head->width > 8192 || head->height > 8192) { 483 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n", 484 i, head->width, head->height, 485 head->x, head->y); 486 return; 487 } 488 } 489 qxl_io_monitors_config(qdev); 490 } 491 492 static void qxl_monitors_config_set(struct qxl_device *qdev, 493 int index, 494 unsigned x, unsigned y, 495 unsigned width, unsigned height, 496 unsigned surf_id) 497 { 498 DRM_DEBUG_KMS("%d:%dx%d+%d+%d\n", index, width, height, x, y); 499 qdev->monitors_config->heads[index].x = x; 500 qdev->monitors_config->heads[index].y = y; 501 qdev->monitors_config->heads[index].width = width; 502 qdev->monitors_config->heads[index].height = height; 503 qdev->monitors_config->heads[index].surface_id = surf_id; 504 505 } 506 507 static int qxl_crtc_mode_set(struct drm_crtc *crtc, 508 struct drm_display_mode *mode, 509 struct drm_display_mode *adjusted_mode, 510 int x, int y, 511 struct drm_framebuffer *old_fb) 512 { 513 struct drm_device *dev = crtc->dev; 514 struct qxl_device *qdev = dev->dev_private; 515 struct qxl_mode *m = (void *)mode->private; 516 struct qxl_framebuffer *qfb; 517 struct qxl_bo *bo, *old_bo = NULL; 518 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 519 uint32_t width, height, base_offset; 520 bool recreate_primary = false; 521 int ret; 522 int surf_id; 523 if (!crtc->fb) { 524 DRM_DEBUG_KMS("No FB bound\n"); 525 return 0; 526 } 527 528 if (old_fb) { 529 qfb = to_qxl_framebuffer(old_fb); 530 old_bo = gem_to_qxl_bo(qfb->obj); 531 } 532 qfb = to_qxl_framebuffer(crtc->fb); 533 bo = gem_to_qxl_bo(qfb->obj); 534 if (!m) 535 /* and do we care? */ 536 DRM_DEBUG("%dx%d: not a native mode\n", x, y); 537 else 538 DRM_DEBUG("%dx%d: qxl id %d\n", 539 mode->hdisplay, mode->vdisplay, m->id); 540 DRM_DEBUG("+%d+%d (%d,%d) => (%d,%d)\n", 541 x, y, 542 mode->hdisplay, mode->vdisplay, 543 adjusted_mode->hdisplay, 544 adjusted_mode->vdisplay); 545 546 if (qcrtc->index == 0) 547 recreate_primary = true; 548 549 width = mode->hdisplay; 550 height = mode->vdisplay; 551 base_offset = 0; 552 553 ret = qxl_bo_reserve(bo, false); 554 if (ret != 0) 555 return ret; 556 ret = qxl_bo_pin(bo, bo->type, NULL); 557 if (ret != 0) { 558 qxl_bo_unreserve(bo); 559 return -EINVAL; 560 } 561 qxl_bo_unreserve(bo); 562 if (recreate_primary) { 563 qxl_io_destroy_primary(qdev); 564 qxl_io_log(qdev, 565 "recreate primary: %dx%d (was %dx%d,%d,%d)\n", 566 width, height, bo->surf.width, 567 bo->surf.height, bo->surf.stride, bo->surf.format); 568 qxl_io_create_primary(qdev, base_offset, bo); 569 bo->is_primary = true; 570 surf_id = 0; 571 } else { 572 surf_id = bo->surface_id; 573 } 574 575 if (old_bo && old_bo != bo) { 576 old_bo->is_primary = false; 577 ret = qxl_bo_reserve(old_bo, false); 578 qxl_bo_unpin(old_bo); 579 qxl_bo_unreserve(old_bo); 580 } 581 582 qxl_monitors_config_set(qdev, qcrtc->index, x, y, 583 mode->hdisplay, 584 mode->vdisplay, surf_id); 585 return 0; 586 } 587 588 static void qxl_crtc_prepare(struct drm_crtc *crtc) 589 { 590 DRM_DEBUG("current: %dx%d+%d+%d (%d).\n", 591 crtc->mode.hdisplay, crtc->mode.vdisplay, 592 crtc->x, crtc->y, crtc->enabled); 593 } 594 595 static void qxl_crtc_commit(struct drm_crtc *crtc) 596 { 597 DRM_DEBUG("\n"); 598 } 599 600 static void qxl_crtc_disable(struct drm_crtc *crtc) 601 { 602 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 603 struct drm_device *dev = crtc->dev; 604 struct qxl_device *qdev = dev->dev_private; 605 if (crtc->fb) { 606 struct qxl_framebuffer *qfb = to_qxl_framebuffer(crtc->fb); 607 struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj); 608 int ret; 609 ret = qxl_bo_reserve(bo, false); 610 qxl_bo_unpin(bo); 611 qxl_bo_unreserve(bo); 612 crtc->fb = NULL; 613 } 614 615 qxl_monitors_config_set(qdev, qcrtc->index, 0, 0, 0, 0, 0); 616 617 qxl_send_monitors_config(qdev); 618 } 619 620 static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = { 621 .dpms = qxl_crtc_dpms, 622 .disable = qxl_crtc_disable, 623 .mode_fixup = qxl_crtc_mode_fixup, 624 .mode_set = qxl_crtc_mode_set, 625 .prepare = qxl_crtc_prepare, 626 .commit = qxl_crtc_commit, 627 }; 628 629 static int qdev_crtc_init(struct drm_device *dev, int crtc_id) 630 { 631 struct qxl_crtc *qxl_crtc; 632 633 qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL); 634 if (!qxl_crtc) 635 return -ENOMEM; 636 637 drm_crtc_init(dev, &qxl_crtc->base, &qxl_crtc_funcs); 638 qxl_crtc->index = crtc_id; 639 drm_mode_crtc_set_gamma_size(&qxl_crtc->base, 256); 640 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs); 641 return 0; 642 } 643 644 static void qxl_enc_dpms(struct drm_encoder *encoder, int mode) 645 { 646 DRM_DEBUG("\n"); 647 } 648 649 static bool qxl_enc_mode_fixup(struct drm_encoder *encoder, 650 const struct drm_display_mode *mode, 651 struct drm_display_mode *adjusted_mode) 652 { 653 DRM_DEBUG("\n"); 654 return true; 655 } 656 657 static void qxl_enc_prepare(struct drm_encoder *encoder) 658 { 659 DRM_DEBUG("\n"); 660 } 661 662 static void qxl_write_monitors_config_for_encoder(struct qxl_device *qdev, 663 struct drm_encoder *encoder) 664 { 665 int i; 666 struct qxl_output *output = drm_encoder_to_qxl_output(encoder); 667 struct qxl_head *head; 668 struct drm_display_mode *mode; 669 670 BUG_ON(!encoder); 671 /* TODO: ugly, do better */ 672 i = output->index; 673 if (!qdev->monitors_config || 674 qdev->monitors_config->max_allowed <= i) { 675 DRM_ERROR( 676 "head number too large or missing monitors config: %p, %d", 677 qdev->monitors_config, 678 qdev->monitors_config ? 679 qdev->monitors_config->max_allowed : -1); 680 return; 681 } 682 if (!encoder->crtc) { 683 DRM_ERROR("missing crtc on encoder %p\n", encoder); 684 return; 685 } 686 if (i != 0) 687 DRM_DEBUG("missing for multiple monitors: no head holes\n"); 688 head = &qdev->monitors_config->heads[i]; 689 head->id = i; 690 if (encoder->crtc->enabled) { 691 mode = &encoder->crtc->mode; 692 head->width = mode->hdisplay; 693 head->height = mode->vdisplay; 694 head->x = encoder->crtc->x; 695 head->y = encoder->crtc->y; 696 if (qdev->monitors_config->count < i + 1) 697 qdev->monitors_config->count = i + 1; 698 } else { 699 head->width = 0; 700 head->height = 0; 701 head->x = 0; 702 head->y = 0; 703 } 704 DRM_DEBUG_KMS("setting head %d to +%d+%d %dx%d out of %d\n", 705 i, head->x, head->y, head->width, head->height, qdev->monitors_config->count); 706 head->flags = 0; 707 /* TODO - somewhere else to call this for multiple monitors 708 * (config_commit?) */ 709 qxl_send_monitors_config(qdev); 710 } 711 712 static void qxl_enc_commit(struct drm_encoder *encoder) 713 { 714 struct qxl_device *qdev = encoder->dev->dev_private; 715 716 qxl_write_monitors_config_for_encoder(qdev, encoder); 717 DRM_DEBUG("\n"); 718 } 719 720 static void qxl_enc_mode_set(struct drm_encoder *encoder, 721 struct drm_display_mode *mode, 722 struct drm_display_mode *adjusted_mode) 723 { 724 DRM_DEBUG("\n"); 725 } 726 727 static int qxl_conn_get_modes(struct drm_connector *connector) 728 { 729 int ret = 0; 730 struct qxl_device *qdev = connector->dev->dev_private; 731 unsigned pwidth = 1024; 732 unsigned pheight = 768; 733 734 DRM_DEBUG_KMS("monitors_config=%p\n", qdev->monitors_config); 735 /* TODO: what should we do here? only show the configured modes for the 736 * device, or allow the full list, or both? */ 737 if (qdev->monitors_config && qdev->monitors_config->count) { 738 ret = qxl_add_monitors_config_modes(connector, &pwidth, &pheight); 739 if (ret < 0) 740 return ret; 741 } 742 ret += qxl_add_common_modes(connector, pwidth, pheight); 743 return ret; 744 } 745 746 static int qxl_conn_mode_valid(struct drm_connector *connector, 747 struct drm_display_mode *mode) 748 { 749 /* TODO: is this called for user defined modes? (xrandr --add-mode) 750 * TODO: check that the mode fits in the framebuffer */ 751 DRM_DEBUG("%s: %dx%d status=%d\n", mode->name, mode->hdisplay, 752 mode->vdisplay, mode->status); 753 return MODE_OK; 754 } 755 756 static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector) 757 { 758 struct qxl_output *qxl_output = 759 drm_connector_to_qxl_output(connector); 760 761 DRM_DEBUG("\n"); 762 return &qxl_output->enc; 763 } 764 765 766 static const struct drm_encoder_helper_funcs qxl_enc_helper_funcs = { 767 .dpms = qxl_enc_dpms, 768 .mode_fixup = qxl_enc_mode_fixup, 769 .prepare = qxl_enc_prepare, 770 .mode_set = qxl_enc_mode_set, 771 .commit = qxl_enc_commit, 772 }; 773 774 static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = { 775 .get_modes = qxl_conn_get_modes, 776 .mode_valid = qxl_conn_mode_valid, 777 .best_encoder = qxl_best_encoder, 778 }; 779 780 static void qxl_conn_save(struct drm_connector *connector) 781 { 782 DRM_DEBUG("\n"); 783 } 784 785 static void qxl_conn_restore(struct drm_connector *connector) 786 { 787 DRM_DEBUG("\n"); 788 } 789 790 static enum drm_connector_status qxl_conn_detect( 791 struct drm_connector *connector, 792 bool force) 793 { 794 struct qxl_output *output = 795 drm_connector_to_qxl_output(connector); 796 struct drm_device *ddev = connector->dev; 797 struct qxl_device *qdev = ddev->dev_private; 798 int connected; 799 800 /* The first monitor is always connected */ 801 connected = (output->index == 0) || 802 (qdev->client_monitors_config && 803 qdev->client_monitors_config->count > output->index && 804 qxl_head_enabled(&qdev->client_monitors_config->heads[output->index])); 805 806 DRM_DEBUG("#%d connected: %d\n", output->index, connected); 807 if (!connected) 808 qxl_monitors_config_set(qdev, output->index, 0, 0, 0, 0, 0); 809 810 return connected ? connector_status_connected 811 : connector_status_disconnected; 812 } 813 814 static int qxl_conn_set_property(struct drm_connector *connector, 815 struct drm_property *property, 816 uint64_t value) 817 { 818 DRM_DEBUG("\n"); 819 return 0; 820 } 821 822 static void qxl_conn_destroy(struct drm_connector *connector) 823 { 824 struct qxl_output *qxl_output = 825 drm_connector_to_qxl_output(connector); 826 827 drm_sysfs_connector_remove(connector); 828 drm_connector_cleanup(connector); 829 kfree(qxl_output); 830 } 831 832 static const struct drm_connector_funcs qxl_connector_funcs = { 833 .dpms = drm_helper_connector_dpms, 834 .save = qxl_conn_save, 835 .restore = qxl_conn_restore, 836 .detect = qxl_conn_detect, 837 .fill_modes = drm_helper_probe_single_connector_modes, 838 .set_property = qxl_conn_set_property, 839 .destroy = qxl_conn_destroy, 840 }; 841 842 static void qxl_enc_destroy(struct drm_encoder *encoder) 843 { 844 drm_encoder_cleanup(encoder); 845 } 846 847 static const struct drm_encoder_funcs qxl_enc_funcs = { 848 .destroy = qxl_enc_destroy, 849 }; 850 851 static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev) 852 { 853 if (qdev->hotplug_mode_update_property) 854 return 0; 855 856 qdev->hotplug_mode_update_property = 857 drm_property_create_range(qdev->ddev, DRM_MODE_PROP_IMMUTABLE, 858 "hotplug_mode_update", 0, 1); 859 860 return 0; 861 } 862 863 static int qdev_output_init(struct drm_device *dev, int num_output) 864 { 865 struct qxl_device *qdev = dev->dev_private; 866 struct qxl_output *qxl_output; 867 struct drm_connector *connector; 868 struct drm_encoder *encoder; 869 870 qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL); 871 if (!qxl_output) 872 return -ENOMEM; 873 874 qxl_output->index = num_output; 875 876 connector = &qxl_output->base; 877 encoder = &qxl_output->enc; 878 drm_connector_init(dev, &qxl_output->base, 879 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL); 880 881 drm_encoder_init(dev, &qxl_output->enc, &qxl_enc_funcs, 882 DRM_MODE_ENCODER_VIRTUAL); 883 884 /* we get HPD via client monitors config */ 885 connector->polled = DRM_CONNECTOR_POLL_HPD; 886 encoder->possible_crtcs = 1 << num_output; 887 drm_mode_connector_attach_encoder(&qxl_output->base, 888 &qxl_output->enc); 889 drm_encoder_helper_add(encoder, &qxl_enc_helper_funcs); 890 drm_connector_helper_add(connector, &qxl_connector_helper_funcs); 891 892 drm_object_attach_property(&connector->base, 893 qdev->hotplug_mode_update_property, 0); 894 drm_sysfs_connector_add(connector); 895 return 0; 896 } 897 898 static struct drm_framebuffer * 899 qxl_user_framebuffer_create(struct drm_device *dev, 900 struct drm_file *file_priv, 901 struct drm_mode_fb_cmd2 *mode_cmd) 902 { 903 struct drm_gem_object *obj; 904 struct qxl_framebuffer *qxl_fb; 905 int ret; 906 907 obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]); 908 909 qxl_fb = kzalloc(sizeof(*qxl_fb), GFP_KERNEL); 910 if (qxl_fb == NULL) 911 return NULL; 912 913 ret = qxl_framebuffer_init(dev, qxl_fb, mode_cmd, obj); 914 if (ret) { 915 kfree(qxl_fb); 916 drm_gem_object_unreference_unlocked(obj); 917 return NULL; 918 } 919 920 return &qxl_fb->base; 921 } 922 923 static const struct drm_mode_config_funcs qxl_mode_funcs = { 924 .fb_create = qxl_user_framebuffer_create, 925 }; 926 927 int qxl_create_monitors_object(struct qxl_device *qdev) 928 { 929 int ret; 930 struct drm_gem_object *gobj; 931 int max_allowed = qxl_num_crtc; 932 int monitors_config_size = sizeof(struct qxl_monitors_config) + 933 max_allowed * sizeof(struct qxl_head); 934 935 ret = qxl_gem_object_create(qdev, monitors_config_size, 0, 936 QXL_GEM_DOMAIN_VRAM, 937 false, false, NULL, &gobj); 938 if (ret) { 939 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret); 940 return -ENOMEM; 941 } 942 qdev->monitors_config_bo = gem_to_qxl_bo(gobj); 943 944 ret = qxl_bo_reserve(qdev->monitors_config_bo, false); 945 if (ret) 946 return ret; 947 948 ret = qxl_bo_pin(qdev->monitors_config_bo, QXL_GEM_DOMAIN_VRAM, NULL); 949 if (ret) { 950 qxl_bo_unreserve(qdev->monitors_config_bo); 951 return ret; 952 } 953 954 qxl_bo_unreserve(qdev->monitors_config_bo); 955 956 qxl_bo_kmap(qdev->monitors_config_bo, NULL); 957 958 qdev->monitors_config = qdev->monitors_config_bo->kptr; 959 qdev->ram_header->monitors_config = 960 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0); 961 962 memset(qdev->monitors_config, 0, monitors_config_size); 963 qdev->monitors_config->max_allowed = max_allowed; 964 return 0; 965 } 966 967 int qxl_destroy_monitors_object(struct qxl_device *qdev) 968 { 969 int ret; 970 971 qdev->monitors_config = NULL; 972 qdev->ram_header->monitors_config = 0; 973 974 qxl_bo_kunmap(qdev->monitors_config_bo); 975 ret = qxl_bo_reserve(qdev->monitors_config_bo, false); 976 if (ret) 977 return ret; 978 979 qxl_bo_unpin(qdev->monitors_config_bo); 980 qxl_bo_unreserve(qdev->monitors_config_bo); 981 982 qxl_bo_unref(&qdev->monitors_config_bo); 983 return 0; 984 } 985 986 int qxl_modeset_init(struct qxl_device *qdev) 987 { 988 int i; 989 int ret; 990 991 drm_mode_config_init(qdev->ddev); 992 993 ret = qxl_create_monitors_object(qdev); 994 if (ret) 995 return ret; 996 997 qdev->ddev->mode_config.funcs = (void *)&qxl_mode_funcs; 998 999 /* modes will be validated against the framebuffer size */ 1000 qdev->ddev->mode_config.min_width = 320; 1001 qdev->ddev->mode_config.min_height = 200; 1002 qdev->ddev->mode_config.max_width = 8192; 1003 qdev->ddev->mode_config.max_height = 8192; 1004 1005 qdev->ddev->mode_config.fb_base = qdev->vram_base; 1006 1007 qxl_mode_create_hotplug_mode_update_property(qdev); 1008 1009 for (i = 0 ; i < qxl_num_crtc; ++i) { 1010 qdev_crtc_init(qdev->ddev, i); 1011 qdev_output_init(qdev->ddev, i); 1012 } 1013 1014 qdev->mode_info.mode_config_initialized = true; 1015 1016 /* primary surface must be created by this point, to allow 1017 * issuing command queue commands and having them read by 1018 * spice server. */ 1019 qxl_fbdev_init(qdev); 1020 return 0; 1021 } 1022 1023 void qxl_modeset_fini(struct qxl_device *qdev) 1024 { 1025 qxl_fbdev_fini(qdev); 1026 1027 qxl_destroy_monitors_object(qdev); 1028 if (qdev->mode_info.mode_config_initialized) { 1029 drm_mode_config_cleanup(qdev->ddev); 1030 qdev->mode_info.mode_config_initialized = false; 1031 } 1032 } 1033