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