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 qxl_crtc_page_flip(struct drm_crtc *crtc, 191 struct drm_framebuffer *fb, 192 struct drm_pending_vblank_event *event, 193 uint32_t page_flip_flags) 194 { 195 struct drm_device *dev = crtc->dev; 196 struct qxl_device *qdev = dev->dev_private; 197 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 198 struct qxl_framebuffer *qfb_src = to_qxl_framebuffer(fb); 199 struct qxl_framebuffer *qfb_old = to_qxl_framebuffer(crtc->primary->fb); 200 struct qxl_bo *bo_old = gem_to_qxl_bo(qfb_old->obj); 201 struct qxl_bo *bo = gem_to_qxl_bo(qfb_src->obj); 202 unsigned long flags; 203 struct drm_clip_rect norect = { 204 .x1 = 0, 205 .y1 = 0, 206 .x2 = fb->width, 207 .y2 = fb->height 208 }; 209 int inc = 1; 210 int one_clip_rect = 1; 211 int ret = 0; 212 213 crtc->primary->fb = fb; 214 bo_old->is_primary = false; 215 bo->is_primary = true; 216 217 ret = qxl_bo_reserve(bo, false); 218 if (ret) 219 return ret; 220 221 qxl_draw_dirty_fb(qdev, qfb_src, bo, 0, 0, 222 &norect, one_clip_rect, inc); 223 224 drm_vblank_get(dev, qcrtc->index); 225 226 if (event) { 227 spin_lock_irqsave(&dev->event_lock, flags); 228 drm_send_vblank_event(dev, qcrtc->index, event); 229 spin_unlock_irqrestore(&dev->event_lock, flags); 230 } 231 drm_vblank_put(dev, qcrtc->index); 232 233 qxl_bo_unreserve(bo); 234 235 return 0; 236 } 237 238 static int 239 qxl_hide_cursor(struct qxl_device *qdev) 240 { 241 struct qxl_release *release; 242 struct qxl_cursor_cmd *cmd; 243 int ret; 244 245 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD, 246 &release, NULL); 247 if (ret) 248 return ret; 249 250 ret = qxl_release_reserve_list(release, true); 251 if (ret) { 252 qxl_release_free(qdev, release); 253 return ret; 254 } 255 256 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 257 cmd->type = QXL_CURSOR_HIDE; 258 qxl_release_unmap(qdev, release, &cmd->release_info); 259 260 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 261 qxl_release_fence_buffer_objects(release); 262 return 0; 263 } 264 265 static int qxl_crtc_cursor_set2(struct drm_crtc *crtc, 266 struct drm_file *file_priv, 267 uint32_t handle, 268 uint32_t width, 269 uint32_t height, int32_t hot_x, int32_t hot_y) 270 { 271 struct drm_device *dev = crtc->dev; 272 struct qxl_device *qdev = dev->dev_private; 273 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 274 struct drm_gem_object *obj; 275 struct qxl_cursor *cursor; 276 struct qxl_cursor_cmd *cmd; 277 struct qxl_bo *cursor_bo, *user_bo; 278 struct qxl_release *release; 279 void *user_ptr; 280 281 int size = 64*64*4; 282 int ret = 0; 283 if (!handle) 284 return qxl_hide_cursor(qdev); 285 286 obj = drm_gem_object_lookup(crtc->dev, file_priv, handle); 287 if (!obj) { 288 DRM_ERROR("cannot find cursor object\n"); 289 return -ENOENT; 290 } 291 292 user_bo = gem_to_qxl_bo(obj); 293 294 ret = qxl_bo_reserve(user_bo, false); 295 if (ret) 296 goto out_unref; 297 298 ret = qxl_bo_pin(user_bo, QXL_GEM_DOMAIN_CPU, NULL); 299 qxl_bo_unreserve(user_bo); 300 if (ret) 301 goto out_unref; 302 303 ret = qxl_bo_kmap(user_bo, &user_ptr); 304 if (ret) 305 goto out_unpin; 306 307 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), 308 QXL_RELEASE_CURSOR_CMD, 309 &release, NULL); 310 if (ret) 311 goto out_kunmap; 312 313 ret = qxl_alloc_bo_reserved(qdev, release, sizeof(struct qxl_cursor) + size, 314 &cursor_bo); 315 if (ret) 316 goto out_free_release; 317 318 ret = qxl_release_reserve_list(release, false); 319 if (ret) 320 goto out_free_bo; 321 322 ret = qxl_bo_kmap(cursor_bo, (void **)&cursor); 323 if (ret) 324 goto out_backoff; 325 326 cursor->header.unique = 0; 327 cursor->header.type = SPICE_CURSOR_TYPE_ALPHA; 328 cursor->header.width = 64; 329 cursor->header.height = 64; 330 cursor->header.hot_spot_x = hot_x; 331 cursor->header.hot_spot_y = hot_y; 332 cursor->data_size = size; 333 cursor->chunk.next_chunk = 0; 334 cursor->chunk.prev_chunk = 0; 335 cursor->chunk.data_size = size; 336 337 memcpy(cursor->chunk.data, user_ptr, size); 338 339 qxl_bo_kunmap(cursor_bo); 340 341 qxl_bo_kunmap(user_bo); 342 343 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 344 cmd->type = QXL_CURSOR_SET; 345 cmd->u.set.position.x = qcrtc->cur_x; 346 cmd->u.set.position.y = qcrtc->cur_y; 347 348 cmd->u.set.shape = qxl_bo_physical_address(qdev, cursor_bo, 0); 349 350 cmd->u.set.visible = 1; 351 qxl_release_unmap(qdev, release, &cmd->release_info); 352 353 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 354 qxl_release_fence_buffer_objects(release); 355 356 /* finish with the userspace bo */ 357 ret = qxl_bo_reserve(user_bo, false); 358 if (!ret) { 359 qxl_bo_unpin(user_bo); 360 qxl_bo_unreserve(user_bo); 361 } 362 drm_gem_object_unreference_unlocked(obj); 363 364 qxl_bo_unref(&cursor_bo); 365 366 return ret; 367 368 out_backoff: 369 qxl_release_backoff_reserve_list(release); 370 out_free_bo: 371 qxl_bo_unref(&cursor_bo); 372 out_free_release: 373 qxl_release_free(qdev, release); 374 out_kunmap: 375 qxl_bo_kunmap(user_bo); 376 out_unpin: 377 qxl_bo_unpin(user_bo); 378 out_unref: 379 drm_gem_object_unreference_unlocked(obj); 380 return ret; 381 } 382 383 static int qxl_crtc_cursor_move(struct drm_crtc *crtc, 384 int x, int y) 385 { 386 struct drm_device *dev = crtc->dev; 387 struct qxl_device *qdev = dev->dev_private; 388 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 389 struct qxl_release *release; 390 struct qxl_cursor_cmd *cmd; 391 int ret; 392 393 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD, 394 &release, NULL); 395 if (ret) 396 return ret; 397 398 ret = qxl_release_reserve_list(release, true); 399 if (ret) { 400 qxl_release_free(qdev, release); 401 return ret; 402 } 403 404 qcrtc->cur_x = x; 405 qcrtc->cur_y = y; 406 407 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 408 cmd->type = QXL_CURSOR_MOVE; 409 cmd->u.position.x = qcrtc->cur_x; 410 cmd->u.position.y = qcrtc->cur_y; 411 qxl_release_unmap(qdev, release, &cmd->release_info); 412 413 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 414 qxl_release_fence_buffer_objects(release); 415 416 return 0; 417 } 418 419 420 static const struct drm_crtc_funcs qxl_crtc_funcs = { 421 .cursor_set2 = qxl_crtc_cursor_set2, 422 .cursor_move = qxl_crtc_cursor_move, 423 .set_config = drm_crtc_helper_set_config, 424 .destroy = qxl_crtc_destroy, 425 .page_flip = qxl_crtc_page_flip, 426 }; 427 428 static void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb) 429 { 430 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb); 431 432 if (qxl_fb->obj) 433 drm_gem_object_unreference_unlocked(qxl_fb->obj); 434 drm_framebuffer_cleanup(fb); 435 kfree(qxl_fb); 436 } 437 438 static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb, 439 struct drm_file *file_priv, 440 unsigned flags, unsigned color, 441 struct drm_clip_rect *clips, 442 unsigned num_clips) 443 { 444 /* TODO: vmwgfx where this was cribbed from had locking. Why? */ 445 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb); 446 struct qxl_device *qdev = qxl_fb->base.dev->dev_private; 447 struct drm_clip_rect norect; 448 struct qxl_bo *qobj; 449 int inc = 1; 450 451 drm_modeset_lock_all(fb->dev); 452 453 qobj = gem_to_qxl_bo(qxl_fb->obj); 454 /* if we aren't primary surface ignore this */ 455 if (!qobj->is_primary) { 456 drm_modeset_unlock_all(fb->dev); 457 return 0; 458 } 459 460 if (!num_clips) { 461 num_clips = 1; 462 clips = &norect; 463 norect.x1 = norect.y1 = 0; 464 norect.x2 = fb->width; 465 norect.y2 = fb->height; 466 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) { 467 num_clips /= 2; 468 inc = 2; /* skip source rects */ 469 } 470 471 qxl_draw_dirty_fb(qdev, qxl_fb, qobj, flags, color, 472 clips, num_clips, inc); 473 474 drm_modeset_unlock_all(fb->dev); 475 476 return 0; 477 } 478 479 static const struct drm_framebuffer_funcs qxl_fb_funcs = { 480 .destroy = qxl_user_framebuffer_destroy, 481 .dirty = qxl_framebuffer_surface_dirty, 482 /* TODO? 483 * .create_handle = qxl_user_framebuffer_create_handle, */ 484 }; 485 486 int 487 qxl_framebuffer_init(struct drm_device *dev, 488 struct qxl_framebuffer *qfb, 489 struct drm_mode_fb_cmd2 *mode_cmd, 490 struct drm_gem_object *obj) 491 { 492 int ret; 493 494 qfb->obj = obj; 495 ret = drm_framebuffer_init(dev, &qfb->base, &qxl_fb_funcs); 496 if (ret) { 497 qfb->obj = NULL; 498 return ret; 499 } 500 drm_helper_mode_fill_fb_struct(&qfb->base, mode_cmd); 501 return 0; 502 } 503 504 static void qxl_crtc_dpms(struct drm_crtc *crtc, int mode) 505 { 506 } 507 508 static bool qxl_crtc_mode_fixup(struct drm_crtc *crtc, 509 const struct drm_display_mode *mode, 510 struct drm_display_mode *adjusted_mode) 511 { 512 struct drm_device *dev = crtc->dev; 513 struct qxl_device *qdev = dev->dev_private; 514 515 qxl_io_log(qdev, "%s: (%d,%d) => (%d,%d)\n", 516 __func__, 517 mode->hdisplay, mode->vdisplay, 518 adjusted_mode->hdisplay, 519 adjusted_mode->vdisplay); 520 return true; 521 } 522 523 void 524 qxl_send_monitors_config(struct qxl_device *qdev) 525 { 526 int i; 527 528 BUG_ON(!qdev->ram_header->monitors_config); 529 530 if (qdev->monitors_config->count == 0) { 531 qxl_io_log(qdev, "%s: 0 monitors??\n", __func__); 532 return; 533 } 534 for (i = 0 ; i < qdev->monitors_config->count ; ++i) { 535 struct qxl_head *head = &qdev->monitors_config->heads[i]; 536 537 if (head->y > 8192 || head->x > 8192 || 538 head->width > 8192 || head->height > 8192) { 539 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n", 540 i, head->width, head->height, 541 head->x, head->y); 542 return; 543 } 544 } 545 qxl_io_monitors_config(qdev); 546 } 547 548 static void qxl_monitors_config_set(struct qxl_device *qdev, 549 int index, 550 unsigned x, unsigned y, 551 unsigned width, unsigned height, 552 unsigned surf_id) 553 { 554 DRM_DEBUG_KMS("%d:%dx%d+%d+%d\n", index, width, height, x, y); 555 qdev->monitors_config->heads[index].x = x; 556 qdev->monitors_config->heads[index].y = y; 557 qdev->monitors_config->heads[index].width = width; 558 qdev->monitors_config->heads[index].height = height; 559 qdev->monitors_config->heads[index].surface_id = surf_id; 560 561 } 562 563 static int qxl_crtc_mode_set(struct drm_crtc *crtc, 564 struct drm_display_mode *mode, 565 struct drm_display_mode *adjusted_mode, 566 int x, int y, 567 struct drm_framebuffer *old_fb) 568 { 569 struct drm_device *dev = crtc->dev; 570 struct qxl_device *qdev = dev->dev_private; 571 struct qxl_mode *m = (void *)mode->private; 572 struct qxl_framebuffer *qfb; 573 struct qxl_bo *bo, *old_bo = NULL; 574 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 575 bool recreate_primary = false; 576 int ret; 577 int surf_id; 578 if (!crtc->primary->fb) { 579 DRM_DEBUG_KMS("No FB bound\n"); 580 return 0; 581 } 582 583 if (old_fb) { 584 qfb = to_qxl_framebuffer(old_fb); 585 old_bo = gem_to_qxl_bo(qfb->obj); 586 } 587 qfb = to_qxl_framebuffer(crtc->primary->fb); 588 bo = gem_to_qxl_bo(qfb->obj); 589 if (!m) 590 /* and do we care? */ 591 DRM_DEBUG("%dx%d: not a native mode\n", x, y); 592 else 593 DRM_DEBUG("%dx%d: qxl id %d\n", 594 mode->hdisplay, mode->vdisplay, m->id); 595 DRM_DEBUG("+%d+%d (%d,%d) => (%d,%d)\n", 596 x, y, 597 mode->hdisplay, mode->vdisplay, 598 adjusted_mode->hdisplay, 599 adjusted_mode->vdisplay); 600 601 if (qcrtc->index == 0) 602 recreate_primary = true; 603 604 if (bo->surf.stride * bo->surf.height > qdev->vram_size) { 605 DRM_ERROR("Mode doesn't fit in vram size (vgamem)"); 606 return -EINVAL; 607 } 608 609 ret = qxl_bo_reserve(bo, false); 610 if (ret != 0) 611 return ret; 612 ret = qxl_bo_pin(bo, bo->type, NULL); 613 if (ret != 0) { 614 qxl_bo_unreserve(bo); 615 return -EINVAL; 616 } 617 qxl_bo_unreserve(bo); 618 if (recreate_primary) { 619 qxl_io_destroy_primary(qdev); 620 qxl_io_log(qdev, 621 "recreate primary: %dx%d,%d,%d\n", 622 bo->surf.width, bo->surf.height, 623 bo->surf.stride, bo->surf.format); 624 qxl_io_create_primary(qdev, 0, bo); 625 bo->is_primary = true; 626 } 627 628 if (bo->is_primary) { 629 DRM_DEBUG_KMS("setting surface_id to 0 for primary surface %d on crtc %d\n", bo->surface_id, qcrtc->index); 630 surf_id = 0; 631 } else { 632 surf_id = bo->surface_id; 633 } 634 635 if (old_bo && old_bo != bo) { 636 old_bo->is_primary = false; 637 ret = qxl_bo_reserve(old_bo, false); 638 qxl_bo_unpin(old_bo); 639 qxl_bo_unreserve(old_bo); 640 } 641 642 qxl_monitors_config_set(qdev, qcrtc->index, x, y, 643 mode->hdisplay, 644 mode->vdisplay, surf_id); 645 return 0; 646 } 647 648 static void qxl_crtc_prepare(struct drm_crtc *crtc) 649 { 650 DRM_DEBUG("current: %dx%d+%d+%d (%d).\n", 651 crtc->mode.hdisplay, crtc->mode.vdisplay, 652 crtc->x, crtc->y, crtc->enabled); 653 } 654 655 static void qxl_crtc_commit(struct drm_crtc *crtc) 656 { 657 DRM_DEBUG("\n"); 658 } 659 660 static void qxl_crtc_disable(struct drm_crtc *crtc) 661 { 662 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 663 struct drm_device *dev = crtc->dev; 664 struct qxl_device *qdev = dev->dev_private; 665 if (crtc->primary->fb) { 666 struct qxl_framebuffer *qfb = to_qxl_framebuffer(crtc->primary->fb); 667 struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj); 668 int ret; 669 ret = qxl_bo_reserve(bo, false); 670 qxl_bo_unpin(bo); 671 qxl_bo_unreserve(bo); 672 crtc->primary->fb = NULL; 673 } 674 675 qxl_monitors_config_set(qdev, qcrtc->index, 0, 0, 0, 0, 0); 676 677 qxl_send_monitors_config(qdev); 678 } 679 680 static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = { 681 .dpms = qxl_crtc_dpms, 682 .disable = qxl_crtc_disable, 683 .mode_fixup = qxl_crtc_mode_fixup, 684 .mode_set = qxl_crtc_mode_set, 685 .prepare = qxl_crtc_prepare, 686 .commit = qxl_crtc_commit, 687 }; 688 689 static int qdev_crtc_init(struct drm_device *dev, int crtc_id) 690 { 691 struct qxl_crtc *qxl_crtc; 692 693 qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL); 694 if (!qxl_crtc) 695 return -ENOMEM; 696 697 drm_crtc_init(dev, &qxl_crtc->base, &qxl_crtc_funcs); 698 qxl_crtc->index = crtc_id; 699 drm_mode_crtc_set_gamma_size(&qxl_crtc->base, 256); 700 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs); 701 return 0; 702 } 703 704 static void qxl_enc_dpms(struct drm_encoder *encoder, int mode) 705 { 706 DRM_DEBUG("\n"); 707 } 708 709 static bool qxl_enc_mode_fixup(struct drm_encoder *encoder, 710 const struct drm_display_mode *mode, 711 struct drm_display_mode *adjusted_mode) 712 { 713 DRM_DEBUG("\n"); 714 return true; 715 } 716 717 static void qxl_enc_prepare(struct drm_encoder *encoder) 718 { 719 DRM_DEBUG("\n"); 720 } 721 722 static void qxl_write_monitors_config_for_encoder(struct qxl_device *qdev, 723 struct drm_encoder *encoder) 724 { 725 int i; 726 struct qxl_output *output = drm_encoder_to_qxl_output(encoder); 727 struct qxl_head *head; 728 struct drm_display_mode *mode; 729 730 BUG_ON(!encoder); 731 /* TODO: ugly, do better */ 732 i = output->index; 733 if (!qdev->monitors_config || 734 qdev->monitors_config->max_allowed <= i) { 735 DRM_ERROR( 736 "head number too large or missing monitors config: %p, %d", 737 qdev->monitors_config, 738 qdev->monitors_config ? 739 qdev->monitors_config->max_allowed : -1); 740 return; 741 } 742 if (!encoder->crtc) { 743 DRM_ERROR("missing crtc on encoder %p\n", encoder); 744 return; 745 } 746 if (i != 0) 747 DRM_DEBUG("missing for multiple monitors: no head holes\n"); 748 head = &qdev->monitors_config->heads[i]; 749 head->id = i; 750 if (encoder->crtc->enabled) { 751 mode = &encoder->crtc->mode; 752 head->width = mode->hdisplay; 753 head->height = mode->vdisplay; 754 head->x = encoder->crtc->x; 755 head->y = encoder->crtc->y; 756 if (qdev->monitors_config->count < i + 1) 757 qdev->monitors_config->count = i + 1; 758 } else { 759 head->width = 0; 760 head->height = 0; 761 head->x = 0; 762 head->y = 0; 763 } 764 DRM_DEBUG_KMS("setting head %d to +%d+%d %dx%d out of %d\n", 765 i, head->x, head->y, head->width, head->height, qdev->monitors_config->count); 766 head->flags = 0; 767 /* TODO - somewhere else to call this for multiple monitors 768 * (config_commit?) */ 769 qxl_send_monitors_config(qdev); 770 } 771 772 static void qxl_enc_commit(struct drm_encoder *encoder) 773 { 774 struct qxl_device *qdev = encoder->dev->dev_private; 775 776 qxl_write_monitors_config_for_encoder(qdev, encoder); 777 DRM_DEBUG("\n"); 778 } 779 780 static void qxl_enc_mode_set(struct drm_encoder *encoder, 781 struct drm_display_mode *mode, 782 struct drm_display_mode *adjusted_mode) 783 { 784 DRM_DEBUG("\n"); 785 } 786 787 static int qxl_conn_get_modes(struct drm_connector *connector) 788 { 789 int ret = 0; 790 struct qxl_device *qdev = connector->dev->dev_private; 791 unsigned pwidth = 1024; 792 unsigned pheight = 768; 793 794 DRM_DEBUG_KMS("monitors_config=%p\n", qdev->monitors_config); 795 /* TODO: what should we do here? only show the configured modes for the 796 * device, or allow the full list, or both? */ 797 if (qdev->monitors_config && qdev->monitors_config->count) { 798 ret = qxl_add_monitors_config_modes(connector, &pwidth, &pheight); 799 if (ret < 0) 800 return ret; 801 } 802 ret += qxl_add_common_modes(connector, pwidth, pheight); 803 return ret; 804 } 805 806 static int qxl_conn_mode_valid(struct drm_connector *connector, 807 struct drm_display_mode *mode) 808 { 809 /* TODO: is this called for user defined modes? (xrandr --add-mode) 810 * TODO: check that the mode fits in the framebuffer */ 811 DRM_DEBUG("%s: %dx%d status=%d\n", mode->name, mode->hdisplay, 812 mode->vdisplay, mode->status); 813 return MODE_OK; 814 } 815 816 static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector) 817 { 818 struct qxl_output *qxl_output = 819 drm_connector_to_qxl_output(connector); 820 821 DRM_DEBUG("\n"); 822 return &qxl_output->enc; 823 } 824 825 826 static const struct drm_encoder_helper_funcs qxl_enc_helper_funcs = { 827 .dpms = qxl_enc_dpms, 828 .mode_fixup = qxl_enc_mode_fixup, 829 .prepare = qxl_enc_prepare, 830 .mode_set = qxl_enc_mode_set, 831 .commit = qxl_enc_commit, 832 }; 833 834 static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = { 835 .get_modes = qxl_conn_get_modes, 836 .mode_valid = qxl_conn_mode_valid, 837 .best_encoder = qxl_best_encoder, 838 }; 839 840 static void qxl_conn_save(struct drm_connector *connector) 841 { 842 DRM_DEBUG("\n"); 843 } 844 845 static void qxl_conn_restore(struct drm_connector *connector) 846 { 847 DRM_DEBUG("\n"); 848 } 849 850 static enum drm_connector_status qxl_conn_detect( 851 struct drm_connector *connector, 852 bool force) 853 { 854 struct qxl_output *output = 855 drm_connector_to_qxl_output(connector); 856 struct drm_device *ddev = connector->dev; 857 struct qxl_device *qdev = ddev->dev_private; 858 int connected; 859 860 /* The first monitor is always connected */ 861 connected = (output->index == 0) || 862 (qdev->client_monitors_config && 863 qdev->client_monitors_config->count > output->index && 864 qxl_head_enabled(&qdev->client_monitors_config->heads[output->index])); 865 866 DRM_DEBUG("#%d connected: %d\n", output->index, connected); 867 if (!connected) 868 qxl_monitors_config_set(qdev, output->index, 0, 0, 0, 0, 0); 869 870 return connected ? connector_status_connected 871 : connector_status_disconnected; 872 } 873 874 static int qxl_conn_set_property(struct drm_connector *connector, 875 struct drm_property *property, 876 uint64_t value) 877 { 878 DRM_DEBUG("\n"); 879 return 0; 880 } 881 882 static void qxl_conn_destroy(struct drm_connector *connector) 883 { 884 struct qxl_output *qxl_output = 885 drm_connector_to_qxl_output(connector); 886 887 drm_connector_unregister(connector); 888 drm_connector_cleanup(connector); 889 kfree(qxl_output); 890 } 891 892 static const struct drm_connector_funcs qxl_connector_funcs = { 893 .dpms = drm_helper_connector_dpms, 894 .save = qxl_conn_save, 895 .restore = qxl_conn_restore, 896 .detect = qxl_conn_detect, 897 .fill_modes = drm_helper_probe_single_connector_modes_nomerge, 898 .set_property = qxl_conn_set_property, 899 .destroy = qxl_conn_destroy, 900 }; 901 902 static void qxl_enc_destroy(struct drm_encoder *encoder) 903 { 904 drm_encoder_cleanup(encoder); 905 } 906 907 static const struct drm_encoder_funcs qxl_enc_funcs = { 908 .destroy = qxl_enc_destroy, 909 }; 910 911 static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev) 912 { 913 if (qdev->hotplug_mode_update_property) 914 return 0; 915 916 qdev->hotplug_mode_update_property = 917 drm_property_create_range(qdev->ddev, DRM_MODE_PROP_IMMUTABLE, 918 "hotplug_mode_update", 0, 1); 919 920 return 0; 921 } 922 923 static int qdev_output_init(struct drm_device *dev, int num_output) 924 { 925 struct qxl_device *qdev = dev->dev_private; 926 struct qxl_output *qxl_output; 927 struct drm_connector *connector; 928 struct drm_encoder *encoder; 929 930 qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL); 931 if (!qxl_output) 932 return -ENOMEM; 933 934 qxl_output->index = num_output; 935 936 connector = &qxl_output->base; 937 encoder = &qxl_output->enc; 938 drm_connector_init(dev, &qxl_output->base, 939 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL); 940 941 drm_encoder_init(dev, &qxl_output->enc, &qxl_enc_funcs, 942 DRM_MODE_ENCODER_VIRTUAL); 943 944 /* we get HPD via client monitors config */ 945 connector->polled = DRM_CONNECTOR_POLL_HPD; 946 encoder->possible_crtcs = 1 << num_output; 947 drm_mode_connector_attach_encoder(&qxl_output->base, 948 &qxl_output->enc); 949 drm_encoder_helper_add(encoder, &qxl_enc_helper_funcs); 950 drm_connector_helper_add(connector, &qxl_connector_helper_funcs); 951 952 drm_object_attach_property(&connector->base, 953 qdev->hotplug_mode_update_property, 0); 954 drm_connector_register(connector); 955 return 0; 956 } 957 958 static struct drm_framebuffer * 959 qxl_user_framebuffer_create(struct drm_device *dev, 960 struct drm_file *file_priv, 961 struct drm_mode_fb_cmd2 *mode_cmd) 962 { 963 struct drm_gem_object *obj; 964 struct qxl_framebuffer *qxl_fb; 965 int ret; 966 967 obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]); 968 969 qxl_fb = kzalloc(sizeof(*qxl_fb), GFP_KERNEL); 970 if (qxl_fb == NULL) 971 return NULL; 972 973 ret = qxl_framebuffer_init(dev, qxl_fb, mode_cmd, obj); 974 if (ret) { 975 kfree(qxl_fb); 976 drm_gem_object_unreference_unlocked(obj); 977 return NULL; 978 } 979 980 return &qxl_fb->base; 981 } 982 983 static const struct drm_mode_config_funcs qxl_mode_funcs = { 984 .fb_create = qxl_user_framebuffer_create, 985 }; 986 987 int qxl_create_monitors_object(struct qxl_device *qdev) 988 { 989 int ret; 990 struct drm_gem_object *gobj; 991 int max_allowed = qxl_num_crtc; 992 int monitors_config_size = sizeof(struct qxl_monitors_config) + 993 max_allowed * sizeof(struct qxl_head); 994 995 ret = qxl_gem_object_create(qdev, monitors_config_size, 0, 996 QXL_GEM_DOMAIN_VRAM, 997 false, false, NULL, &gobj); 998 if (ret) { 999 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret); 1000 return -ENOMEM; 1001 } 1002 qdev->monitors_config_bo = gem_to_qxl_bo(gobj); 1003 1004 ret = qxl_bo_reserve(qdev->monitors_config_bo, false); 1005 if (ret) 1006 return ret; 1007 1008 ret = qxl_bo_pin(qdev->monitors_config_bo, QXL_GEM_DOMAIN_VRAM, NULL); 1009 if (ret) { 1010 qxl_bo_unreserve(qdev->monitors_config_bo); 1011 return ret; 1012 } 1013 1014 qxl_bo_unreserve(qdev->monitors_config_bo); 1015 1016 qxl_bo_kmap(qdev->monitors_config_bo, NULL); 1017 1018 qdev->monitors_config = qdev->monitors_config_bo->kptr; 1019 qdev->ram_header->monitors_config = 1020 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0); 1021 1022 memset(qdev->monitors_config, 0, monitors_config_size); 1023 qdev->monitors_config->max_allowed = max_allowed; 1024 return 0; 1025 } 1026 1027 int qxl_destroy_monitors_object(struct qxl_device *qdev) 1028 { 1029 int ret; 1030 1031 qdev->monitors_config = NULL; 1032 qdev->ram_header->monitors_config = 0; 1033 1034 qxl_bo_kunmap(qdev->monitors_config_bo); 1035 ret = qxl_bo_reserve(qdev->monitors_config_bo, false); 1036 if (ret) 1037 return ret; 1038 1039 qxl_bo_unpin(qdev->monitors_config_bo); 1040 qxl_bo_unreserve(qdev->monitors_config_bo); 1041 1042 qxl_bo_unref(&qdev->monitors_config_bo); 1043 return 0; 1044 } 1045 1046 int qxl_modeset_init(struct qxl_device *qdev) 1047 { 1048 int i; 1049 int ret; 1050 1051 drm_mode_config_init(qdev->ddev); 1052 1053 ret = qxl_create_monitors_object(qdev); 1054 if (ret) 1055 return ret; 1056 1057 qdev->ddev->mode_config.funcs = (void *)&qxl_mode_funcs; 1058 1059 /* modes will be validated against the framebuffer size */ 1060 qdev->ddev->mode_config.min_width = 320; 1061 qdev->ddev->mode_config.min_height = 200; 1062 qdev->ddev->mode_config.max_width = 8192; 1063 qdev->ddev->mode_config.max_height = 8192; 1064 1065 qdev->ddev->mode_config.fb_base = qdev->vram_base; 1066 1067 qxl_mode_create_hotplug_mode_update_property(qdev); 1068 1069 for (i = 0 ; i < qxl_num_crtc; ++i) { 1070 qdev_crtc_init(qdev->ddev, i); 1071 qdev_output_init(qdev->ddev, i); 1072 } 1073 1074 qdev->mode_info.mode_config_initialized = true; 1075 1076 /* primary surface must be created by this point, to allow 1077 * issuing command queue commands and having them read by 1078 * spice server. */ 1079 qxl_fbdev_init(qdev); 1080 return 0; 1081 } 1082 1083 void qxl_modeset_fini(struct qxl_device *qdev) 1084 { 1085 qxl_fbdev_fini(qdev); 1086 1087 qxl_destroy_monitors_object(qdev); 1088 if (qdev->mode_info.mode_config_initialized) { 1089 drm_mode_config_cleanup(qdev->ddev); 1090 qdev->mode_info.mode_config_initialized = false; 1091 } 1092 } 1093