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 #include <drm/drm_plane_helper.h> 33 34 static bool qxl_head_enabled(struct qxl_head *head) 35 { 36 return head->width && head->height; 37 } 38 39 void qxl_alloc_client_monitors_config(struct qxl_device *qdev, unsigned count) 40 { 41 if (qdev->client_monitors_config && 42 count > qdev->client_monitors_config->count) { 43 kfree(qdev->client_monitors_config); 44 qdev->client_monitors_config = NULL; 45 } 46 if (!qdev->client_monitors_config) { 47 qdev->client_monitors_config = kzalloc( 48 sizeof(struct qxl_monitors_config) + 49 sizeof(struct qxl_head) * count, GFP_KERNEL); 50 if (!qdev->client_monitors_config) { 51 qxl_io_log(qdev, 52 "%s: allocation failure for %u heads\n", 53 __func__, count); 54 return; 55 } 56 } 57 qdev->client_monitors_config->count = count; 58 } 59 60 static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev) 61 { 62 int i; 63 int num_monitors; 64 uint32_t crc; 65 66 num_monitors = qdev->rom->client_monitors_config.count; 67 crc = crc32(0, (const uint8_t *)&qdev->rom->client_monitors_config, 68 sizeof(qdev->rom->client_monitors_config)); 69 if (crc != qdev->rom->client_monitors_config_crc) { 70 qxl_io_log(qdev, "crc mismatch: have %X (%zd) != %X\n", crc, 71 sizeof(qdev->rom->client_monitors_config), 72 qdev->rom->client_monitors_config_crc); 73 return 1; 74 } 75 if (num_monitors > qdev->monitors_config->max_allowed) { 76 DRM_DEBUG_KMS("client monitors list will be truncated: %d < %d\n", 77 qdev->monitors_config->max_allowed, num_monitors); 78 num_monitors = qdev->monitors_config->max_allowed; 79 } else { 80 num_monitors = qdev->rom->client_monitors_config.count; 81 } 82 qxl_alloc_client_monitors_config(qdev, num_monitors); 83 /* we copy max from the client but it isn't used */ 84 qdev->client_monitors_config->max_allowed = 85 qdev->monitors_config->max_allowed; 86 for (i = 0 ; i < qdev->client_monitors_config->count ; ++i) { 87 struct qxl_urect *c_rect = 88 &qdev->rom->client_monitors_config.heads[i]; 89 struct qxl_head *client_head = 90 &qdev->client_monitors_config->heads[i]; 91 client_head->x = c_rect->left; 92 client_head->y = c_rect->top; 93 client_head->width = c_rect->right - c_rect->left; 94 client_head->height = c_rect->bottom - c_rect->top; 95 client_head->surface_id = 0; 96 client_head->id = i; 97 client_head->flags = 0; 98 DRM_DEBUG_KMS("read %dx%d+%d+%d\n", client_head->width, client_head->height, 99 client_head->x, client_head->y); 100 } 101 return 0; 102 } 103 104 static void qxl_update_offset_props(struct qxl_device *qdev) 105 { 106 struct drm_device *dev = qdev->ddev; 107 struct drm_connector *connector; 108 struct qxl_output *output; 109 struct qxl_head *head; 110 111 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 112 output = drm_connector_to_qxl_output(connector); 113 114 head = &qdev->client_monitors_config->heads[output->index]; 115 116 drm_object_property_set_value(&connector->base, 117 dev->mode_config.suggested_x_property, head->x); 118 drm_object_property_set_value(&connector->base, 119 dev->mode_config.suggested_y_property, head->y); 120 } 121 } 122 123 void qxl_display_read_client_monitors_config(struct qxl_device *qdev) 124 { 125 126 struct drm_device *dev = qdev->ddev; 127 while (qxl_display_copy_rom_client_monitors_config(qdev)) { 128 qxl_io_log(qdev, "failed crc check for client_monitors_config," 129 " retrying\n"); 130 } 131 132 drm_modeset_lock_all(dev); 133 qxl_update_offset_props(qdev); 134 drm_modeset_unlock_all(dev); 135 if (!drm_helper_hpd_irq_event(qdev->ddev)) { 136 /* notify that the monitor configuration changed, to 137 adjust at the arbitrary resolution */ 138 drm_kms_helper_hotplug_event(qdev->ddev); 139 } 140 } 141 142 static int qxl_add_monitors_config_modes(struct drm_connector *connector, 143 unsigned *pwidth, 144 unsigned *pheight) 145 { 146 struct drm_device *dev = connector->dev; 147 struct qxl_device *qdev = dev->dev_private; 148 struct qxl_output *output = drm_connector_to_qxl_output(connector); 149 int h = output->index; 150 struct drm_display_mode *mode = NULL; 151 struct qxl_head *head; 152 153 if (!qdev->client_monitors_config) 154 return 0; 155 head = &qdev->client_monitors_config->heads[h]; 156 157 mode = drm_cvt_mode(dev, head->width, head->height, 60, false, false, 158 false); 159 mode->type |= DRM_MODE_TYPE_PREFERRED; 160 *pwidth = head->width; 161 *pheight = head->height; 162 drm_mode_probed_add(connector, mode); 163 /* remember the last custom size for mode validation */ 164 qdev->monitors_config_width = mode->hdisplay; 165 qdev->monitors_config_height = mode->vdisplay; 166 return 1; 167 } 168 169 static struct mode_size { 170 int w; 171 int h; 172 } common_modes[] = { 173 { 640, 480}, 174 { 720, 480}, 175 { 800, 600}, 176 { 848, 480}, 177 {1024, 768}, 178 {1152, 768}, 179 {1280, 720}, 180 {1280, 800}, 181 {1280, 854}, 182 {1280, 960}, 183 {1280, 1024}, 184 {1440, 900}, 185 {1400, 1050}, 186 {1680, 1050}, 187 {1600, 1200}, 188 {1920, 1080}, 189 {1920, 1200} 190 }; 191 192 static int qxl_add_common_modes(struct drm_connector *connector, 193 unsigned pwidth, 194 unsigned pheight) 195 { 196 struct drm_device *dev = connector->dev; 197 struct drm_display_mode *mode = NULL; 198 int i; 199 for (i = 0; i < ARRAY_SIZE(common_modes); i++) { 200 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 201 60, false, false, false); 202 if (common_modes[i].w == pwidth && common_modes[i].h == pheight) 203 mode->type |= DRM_MODE_TYPE_PREFERRED; 204 drm_mode_probed_add(connector, mode); 205 } 206 return i - 1; 207 } 208 209 static void qxl_crtc_destroy(struct drm_crtc *crtc) 210 { 211 struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc); 212 213 drm_crtc_cleanup(crtc); 214 kfree(qxl_crtc); 215 } 216 217 static int qxl_crtc_page_flip(struct drm_crtc *crtc, 218 struct drm_framebuffer *fb, 219 struct drm_pending_vblank_event *event, 220 uint32_t page_flip_flags) 221 { 222 struct drm_device *dev = crtc->dev; 223 struct qxl_device *qdev = dev->dev_private; 224 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 225 struct qxl_framebuffer *qfb_src = to_qxl_framebuffer(fb); 226 struct qxl_framebuffer *qfb_old = to_qxl_framebuffer(crtc->primary->fb); 227 struct qxl_bo *bo_old = gem_to_qxl_bo(qfb_old->obj); 228 struct qxl_bo *bo = gem_to_qxl_bo(qfb_src->obj); 229 unsigned long flags; 230 struct drm_clip_rect norect = { 231 .x1 = 0, 232 .y1 = 0, 233 .x2 = fb->width, 234 .y2 = fb->height 235 }; 236 int inc = 1; 237 int one_clip_rect = 1; 238 int ret = 0; 239 240 crtc->primary->fb = fb; 241 bo_old->is_primary = false; 242 bo->is_primary = true; 243 244 ret = qxl_bo_reserve(bo, false); 245 if (ret) 246 return ret; 247 248 qxl_draw_dirty_fb(qdev, qfb_src, bo, 0, 0, 249 &norect, one_clip_rect, inc); 250 251 drm_vblank_get(dev, qcrtc->index); 252 253 if (event) { 254 spin_lock_irqsave(&dev->event_lock, flags); 255 drm_send_vblank_event(dev, qcrtc->index, event); 256 spin_unlock_irqrestore(&dev->event_lock, flags); 257 } 258 drm_vblank_put(dev, qcrtc->index); 259 260 qxl_bo_unreserve(bo); 261 262 return 0; 263 } 264 265 static int 266 qxl_hide_cursor(struct qxl_device *qdev) 267 { 268 struct qxl_release *release; 269 struct qxl_cursor_cmd *cmd; 270 int ret; 271 272 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD, 273 &release, NULL); 274 if (ret) 275 return ret; 276 277 ret = qxl_release_reserve_list(release, true); 278 if (ret) { 279 qxl_release_free(qdev, release); 280 return ret; 281 } 282 283 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 284 cmd->type = QXL_CURSOR_HIDE; 285 qxl_release_unmap(qdev, release, &cmd->release_info); 286 287 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 288 qxl_release_fence_buffer_objects(release); 289 return 0; 290 } 291 292 static int qxl_crtc_cursor_set2(struct drm_crtc *crtc, 293 struct drm_file *file_priv, 294 uint32_t handle, 295 uint32_t width, 296 uint32_t height, int32_t hot_x, int32_t hot_y) 297 { 298 struct drm_device *dev = crtc->dev; 299 struct qxl_device *qdev = dev->dev_private; 300 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 301 struct drm_gem_object *obj; 302 struct qxl_cursor *cursor; 303 struct qxl_cursor_cmd *cmd; 304 struct qxl_bo *cursor_bo, *user_bo; 305 struct qxl_release *release; 306 void *user_ptr; 307 308 int size = 64*64*4; 309 int ret = 0; 310 if (!handle) 311 return qxl_hide_cursor(qdev); 312 313 obj = drm_gem_object_lookup(crtc->dev, file_priv, handle); 314 if (!obj) { 315 DRM_ERROR("cannot find cursor object\n"); 316 return -ENOENT; 317 } 318 319 user_bo = gem_to_qxl_bo(obj); 320 321 ret = qxl_bo_reserve(user_bo, false); 322 if (ret) 323 goto out_unref; 324 325 ret = qxl_bo_pin(user_bo, QXL_GEM_DOMAIN_CPU, NULL); 326 qxl_bo_unreserve(user_bo); 327 if (ret) 328 goto out_unref; 329 330 ret = qxl_bo_kmap(user_bo, &user_ptr); 331 if (ret) 332 goto out_unpin; 333 334 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), 335 QXL_RELEASE_CURSOR_CMD, 336 &release, NULL); 337 if (ret) 338 goto out_kunmap; 339 340 ret = qxl_alloc_bo_reserved(qdev, release, sizeof(struct qxl_cursor) + size, 341 &cursor_bo); 342 if (ret) 343 goto out_free_release; 344 345 ret = qxl_release_reserve_list(release, false); 346 if (ret) 347 goto out_free_bo; 348 349 ret = qxl_bo_kmap(cursor_bo, (void **)&cursor); 350 if (ret) 351 goto out_backoff; 352 353 cursor->header.unique = 0; 354 cursor->header.type = SPICE_CURSOR_TYPE_ALPHA; 355 cursor->header.width = 64; 356 cursor->header.height = 64; 357 cursor->header.hot_spot_x = hot_x; 358 cursor->header.hot_spot_y = hot_y; 359 cursor->data_size = size; 360 cursor->chunk.next_chunk = 0; 361 cursor->chunk.prev_chunk = 0; 362 cursor->chunk.data_size = size; 363 364 memcpy(cursor->chunk.data, user_ptr, size); 365 366 qxl_bo_kunmap(cursor_bo); 367 368 qxl_bo_kunmap(user_bo); 369 370 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 371 cmd->type = QXL_CURSOR_SET; 372 cmd->u.set.position.x = qcrtc->cur_x; 373 cmd->u.set.position.y = qcrtc->cur_y; 374 375 cmd->u.set.shape = qxl_bo_physical_address(qdev, cursor_bo, 0); 376 377 cmd->u.set.visible = 1; 378 qxl_release_unmap(qdev, release, &cmd->release_info); 379 380 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 381 qxl_release_fence_buffer_objects(release); 382 383 /* finish with the userspace bo */ 384 ret = qxl_bo_reserve(user_bo, false); 385 if (!ret) { 386 qxl_bo_unpin(user_bo); 387 qxl_bo_unreserve(user_bo); 388 } 389 drm_gem_object_unreference_unlocked(obj); 390 391 qxl_bo_unref(&cursor_bo); 392 393 return ret; 394 395 out_backoff: 396 qxl_release_backoff_reserve_list(release); 397 out_free_bo: 398 qxl_bo_unref(&cursor_bo); 399 out_free_release: 400 qxl_release_free(qdev, release); 401 out_kunmap: 402 qxl_bo_kunmap(user_bo); 403 out_unpin: 404 qxl_bo_unpin(user_bo); 405 out_unref: 406 drm_gem_object_unreference_unlocked(obj); 407 return ret; 408 } 409 410 static int qxl_crtc_cursor_move(struct drm_crtc *crtc, 411 int x, int y) 412 { 413 struct drm_device *dev = crtc->dev; 414 struct qxl_device *qdev = dev->dev_private; 415 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 416 struct qxl_release *release; 417 struct qxl_cursor_cmd *cmd; 418 int ret; 419 420 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD, 421 &release, NULL); 422 if (ret) 423 return ret; 424 425 ret = qxl_release_reserve_list(release, true); 426 if (ret) { 427 qxl_release_free(qdev, release); 428 return ret; 429 } 430 431 qcrtc->cur_x = x; 432 qcrtc->cur_y = y; 433 434 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 435 cmd->type = QXL_CURSOR_MOVE; 436 cmd->u.position.x = qcrtc->cur_x; 437 cmd->u.position.y = qcrtc->cur_y; 438 qxl_release_unmap(qdev, release, &cmd->release_info); 439 440 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 441 qxl_release_fence_buffer_objects(release); 442 443 return 0; 444 } 445 446 447 static const struct drm_crtc_funcs qxl_crtc_funcs = { 448 .cursor_set2 = qxl_crtc_cursor_set2, 449 .cursor_move = qxl_crtc_cursor_move, 450 .set_config = drm_crtc_helper_set_config, 451 .destroy = qxl_crtc_destroy, 452 .page_flip = qxl_crtc_page_flip, 453 }; 454 455 static void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb) 456 { 457 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb); 458 459 if (qxl_fb->obj) 460 drm_gem_object_unreference_unlocked(qxl_fb->obj); 461 drm_framebuffer_cleanup(fb); 462 kfree(qxl_fb); 463 } 464 465 static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb, 466 struct drm_file *file_priv, 467 unsigned flags, unsigned color, 468 struct drm_clip_rect *clips, 469 unsigned num_clips) 470 { 471 /* TODO: vmwgfx where this was cribbed from had locking. Why? */ 472 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb); 473 struct qxl_device *qdev = qxl_fb->base.dev->dev_private; 474 struct drm_clip_rect norect; 475 struct qxl_bo *qobj; 476 int inc = 1; 477 478 drm_modeset_lock_all(fb->dev); 479 480 qobj = gem_to_qxl_bo(qxl_fb->obj); 481 /* if we aren't primary surface ignore this */ 482 if (!qobj->is_primary) { 483 drm_modeset_unlock_all(fb->dev); 484 return 0; 485 } 486 487 if (!num_clips) { 488 num_clips = 1; 489 clips = &norect; 490 norect.x1 = norect.y1 = 0; 491 norect.x2 = fb->width; 492 norect.y2 = fb->height; 493 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) { 494 num_clips /= 2; 495 inc = 2; /* skip source rects */ 496 } 497 498 qxl_draw_dirty_fb(qdev, qxl_fb, qobj, flags, color, 499 clips, num_clips, inc); 500 501 drm_modeset_unlock_all(fb->dev); 502 503 return 0; 504 } 505 506 static const struct drm_framebuffer_funcs qxl_fb_funcs = { 507 .destroy = qxl_user_framebuffer_destroy, 508 .dirty = qxl_framebuffer_surface_dirty, 509 /* TODO? 510 * .create_handle = qxl_user_framebuffer_create_handle, */ 511 }; 512 513 int 514 qxl_framebuffer_init(struct drm_device *dev, 515 struct qxl_framebuffer *qfb, 516 struct drm_mode_fb_cmd2 *mode_cmd, 517 struct drm_gem_object *obj) 518 { 519 int ret; 520 521 qfb->obj = obj; 522 ret = drm_framebuffer_init(dev, &qfb->base, &qxl_fb_funcs); 523 if (ret) { 524 qfb->obj = NULL; 525 return ret; 526 } 527 drm_helper_mode_fill_fb_struct(&qfb->base, mode_cmd); 528 return 0; 529 } 530 531 static void qxl_crtc_dpms(struct drm_crtc *crtc, int mode) 532 { 533 } 534 535 static bool qxl_crtc_mode_fixup(struct drm_crtc *crtc, 536 const struct drm_display_mode *mode, 537 struct drm_display_mode *adjusted_mode) 538 { 539 struct drm_device *dev = crtc->dev; 540 struct qxl_device *qdev = dev->dev_private; 541 542 qxl_io_log(qdev, "%s: (%d,%d) => (%d,%d)\n", 543 __func__, 544 mode->hdisplay, mode->vdisplay, 545 adjusted_mode->hdisplay, 546 adjusted_mode->vdisplay); 547 return true; 548 } 549 550 void 551 qxl_send_monitors_config(struct qxl_device *qdev) 552 { 553 int i; 554 555 BUG_ON(!qdev->ram_header->monitors_config); 556 557 if (qdev->monitors_config->count == 0) { 558 qxl_io_log(qdev, "%s: 0 monitors??\n", __func__); 559 return; 560 } 561 for (i = 0 ; i < qdev->monitors_config->count ; ++i) { 562 struct qxl_head *head = &qdev->monitors_config->heads[i]; 563 564 if (head->y > 8192 || head->x > 8192 || 565 head->width > 8192 || head->height > 8192) { 566 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n", 567 i, head->width, head->height, 568 head->x, head->y); 569 return; 570 } 571 } 572 qxl_io_monitors_config(qdev); 573 } 574 575 static void qxl_monitors_config_set(struct qxl_device *qdev, 576 int index, 577 unsigned x, unsigned y, 578 unsigned width, unsigned height, 579 unsigned surf_id) 580 { 581 DRM_DEBUG_KMS("%d:%dx%d+%d+%d\n", index, width, height, x, y); 582 qdev->monitors_config->heads[index].x = x; 583 qdev->monitors_config->heads[index].y = y; 584 qdev->monitors_config->heads[index].width = width; 585 qdev->monitors_config->heads[index].height = height; 586 qdev->monitors_config->heads[index].surface_id = surf_id; 587 588 } 589 590 static int qxl_crtc_mode_set(struct drm_crtc *crtc, 591 struct drm_display_mode *mode, 592 struct drm_display_mode *adjusted_mode, 593 int x, int y, 594 struct drm_framebuffer *old_fb) 595 { 596 struct drm_device *dev = crtc->dev; 597 struct qxl_device *qdev = dev->dev_private; 598 struct qxl_framebuffer *qfb; 599 struct qxl_bo *bo, *old_bo = NULL; 600 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 601 bool recreate_primary = false; 602 int ret; 603 int surf_id; 604 if (!crtc->primary->fb) { 605 DRM_DEBUG_KMS("No FB bound\n"); 606 return 0; 607 } 608 609 if (old_fb) { 610 qfb = to_qxl_framebuffer(old_fb); 611 old_bo = gem_to_qxl_bo(qfb->obj); 612 } 613 qfb = to_qxl_framebuffer(crtc->primary->fb); 614 bo = gem_to_qxl_bo(qfb->obj); 615 DRM_DEBUG("+%d+%d (%d,%d) => (%d,%d)\n", 616 x, y, 617 mode->hdisplay, mode->vdisplay, 618 adjusted_mode->hdisplay, 619 adjusted_mode->vdisplay); 620 621 if (bo->is_primary == false) 622 recreate_primary = true; 623 624 if (bo->surf.stride * bo->surf.height > qdev->vram_size) { 625 DRM_ERROR("Mode doesn't fit in vram size (vgamem)"); 626 return -EINVAL; 627 } 628 629 ret = qxl_bo_reserve(bo, false); 630 if (ret != 0) 631 return ret; 632 ret = qxl_bo_pin(bo, bo->type, NULL); 633 if (ret != 0) { 634 qxl_bo_unreserve(bo); 635 return -EINVAL; 636 } 637 qxl_bo_unreserve(bo); 638 if (recreate_primary) { 639 qxl_io_destroy_primary(qdev); 640 qxl_io_log(qdev, 641 "recreate primary: %dx%d,%d,%d\n", 642 bo->surf.width, bo->surf.height, 643 bo->surf.stride, bo->surf.format); 644 qxl_io_create_primary(qdev, 0, bo); 645 bo->is_primary = true; 646 } 647 648 if (bo->is_primary) { 649 DRM_DEBUG_KMS("setting surface_id to 0 for primary surface %d on crtc %d\n", bo->surface_id, qcrtc->index); 650 surf_id = 0; 651 } else { 652 surf_id = bo->surface_id; 653 } 654 655 if (old_bo && old_bo != bo) { 656 old_bo->is_primary = false; 657 ret = qxl_bo_reserve(old_bo, false); 658 qxl_bo_unpin(old_bo); 659 qxl_bo_unreserve(old_bo); 660 } 661 662 qxl_monitors_config_set(qdev, qcrtc->index, x, y, 663 mode->hdisplay, 664 mode->vdisplay, surf_id); 665 return 0; 666 } 667 668 static void qxl_crtc_prepare(struct drm_crtc *crtc) 669 { 670 DRM_DEBUG("current: %dx%d+%d+%d (%d).\n", 671 crtc->mode.hdisplay, crtc->mode.vdisplay, 672 crtc->x, crtc->y, crtc->enabled); 673 } 674 675 static void qxl_crtc_commit(struct drm_crtc *crtc) 676 { 677 DRM_DEBUG("\n"); 678 } 679 680 static void qxl_crtc_disable(struct drm_crtc *crtc) 681 { 682 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 683 struct drm_device *dev = crtc->dev; 684 struct qxl_device *qdev = dev->dev_private; 685 if (crtc->primary->fb) { 686 struct qxl_framebuffer *qfb = to_qxl_framebuffer(crtc->primary->fb); 687 struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj); 688 int ret; 689 ret = qxl_bo_reserve(bo, false); 690 qxl_bo_unpin(bo); 691 qxl_bo_unreserve(bo); 692 crtc->primary->fb = NULL; 693 } 694 695 qxl_monitors_config_set(qdev, qcrtc->index, 0, 0, 0, 0, 0); 696 697 qxl_send_monitors_config(qdev); 698 } 699 700 static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = { 701 .dpms = qxl_crtc_dpms, 702 .disable = qxl_crtc_disable, 703 .mode_fixup = qxl_crtc_mode_fixup, 704 .mode_set = qxl_crtc_mode_set, 705 .prepare = qxl_crtc_prepare, 706 .commit = qxl_crtc_commit, 707 }; 708 709 static int qdev_crtc_init(struct drm_device *dev, int crtc_id) 710 { 711 struct qxl_crtc *qxl_crtc; 712 713 qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL); 714 if (!qxl_crtc) 715 return -ENOMEM; 716 717 drm_crtc_init(dev, &qxl_crtc->base, &qxl_crtc_funcs); 718 qxl_crtc->index = crtc_id; 719 drm_mode_crtc_set_gamma_size(&qxl_crtc->base, 256); 720 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs); 721 return 0; 722 } 723 724 static void qxl_enc_dpms(struct drm_encoder *encoder, int mode) 725 { 726 DRM_DEBUG("\n"); 727 } 728 729 static bool qxl_enc_mode_fixup(struct drm_encoder *encoder, 730 const struct drm_display_mode *mode, 731 struct drm_display_mode *adjusted_mode) 732 { 733 DRM_DEBUG("\n"); 734 return true; 735 } 736 737 static void qxl_enc_prepare(struct drm_encoder *encoder) 738 { 739 DRM_DEBUG("\n"); 740 } 741 742 static void qxl_write_monitors_config_for_encoder(struct qxl_device *qdev, 743 struct drm_encoder *encoder) 744 { 745 int i; 746 struct qxl_output *output = drm_encoder_to_qxl_output(encoder); 747 struct qxl_head *head; 748 struct drm_display_mode *mode; 749 750 BUG_ON(!encoder); 751 /* TODO: ugly, do better */ 752 i = output->index; 753 if (!qdev->monitors_config || 754 qdev->monitors_config->max_allowed <= i) { 755 DRM_ERROR( 756 "head number too large or missing monitors config: %p, %d", 757 qdev->monitors_config, 758 qdev->monitors_config ? 759 qdev->monitors_config->max_allowed : -1); 760 return; 761 } 762 if (!encoder->crtc) { 763 DRM_ERROR("missing crtc on encoder %p\n", encoder); 764 return; 765 } 766 if (i != 0) 767 DRM_DEBUG("missing for multiple monitors: no head holes\n"); 768 head = &qdev->monitors_config->heads[i]; 769 head->id = i; 770 if (encoder->crtc->enabled) { 771 mode = &encoder->crtc->mode; 772 head->width = mode->hdisplay; 773 head->height = mode->vdisplay; 774 head->x = encoder->crtc->x; 775 head->y = encoder->crtc->y; 776 if (qdev->monitors_config->count < i + 1) 777 qdev->monitors_config->count = i + 1; 778 } else { 779 head->width = 0; 780 head->height = 0; 781 head->x = 0; 782 head->y = 0; 783 } 784 DRM_DEBUG_KMS("setting head %d to +%d+%d %dx%d out of %d\n", 785 i, head->x, head->y, head->width, head->height, qdev->monitors_config->count); 786 head->flags = 0; 787 /* TODO - somewhere else to call this for multiple monitors 788 * (config_commit?) */ 789 qxl_send_monitors_config(qdev); 790 } 791 792 static void qxl_enc_commit(struct drm_encoder *encoder) 793 { 794 struct qxl_device *qdev = encoder->dev->dev_private; 795 796 qxl_write_monitors_config_for_encoder(qdev, encoder); 797 DRM_DEBUG("\n"); 798 } 799 800 static void qxl_enc_mode_set(struct drm_encoder *encoder, 801 struct drm_display_mode *mode, 802 struct drm_display_mode *adjusted_mode) 803 { 804 DRM_DEBUG("\n"); 805 } 806 807 static int qxl_conn_get_modes(struct drm_connector *connector) 808 { 809 int ret = 0; 810 struct qxl_device *qdev = connector->dev->dev_private; 811 unsigned pwidth = 1024; 812 unsigned pheight = 768; 813 814 DRM_DEBUG_KMS("monitors_config=%p\n", qdev->monitors_config); 815 /* TODO: what should we do here? only show the configured modes for the 816 * device, or allow the full list, or both? */ 817 if (qdev->monitors_config && qdev->monitors_config->count) { 818 ret = qxl_add_monitors_config_modes(connector, &pwidth, &pheight); 819 if (ret < 0) 820 return ret; 821 } 822 ret += qxl_add_common_modes(connector, pwidth, pheight); 823 return ret; 824 } 825 826 static int qxl_conn_mode_valid(struct drm_connector *connector, 827 struct drm_display_mode *mode) 828 { 829 struct drm_device *ddev = connector->dev; 830 struct qxl_device *qdev = ddev->dev_private; 831 int i; 832 833 /* TODO: is this called for user defined modes? (xrandr --add-mode) 834 * TODO: check that the mode fits in the framebuffer */ 835 836 if(qdev->monitors_config_width == mode->hdisplay && 837 qdev->monitors_config_height == mode->vdisplay) 838 return MODE_OK; 839 840 for (i = 0; i < ARRAY_SIZE(common_modes); i++) { 841 if (common_modes[i].w == mode->hdisplay && common_modes[i].h == mode->vdisplay) 842 return MODE_OK; 843 } 844 return MODE_BAD; 845 } 846 847 static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector) 848 { 849 struct qxl_output *qxl_output = 850 drm_connector_to_qxl_output(connector); 851 852 DRM_DEBUG("\n"); 853 return &qxl_output->enc; 854 } 855 856 857 static const struct drm_encoder_helper_funcs qxl_enc_helper_funcs = { 858 .dpms = qxl_enc_dpms, 859 .mode_fixup = qxl_enc_mode_fixup, 860 .prepare = qxl_enc_prepare, 861 .mode_set = qxl_enc_mode_set, 862 .commit = qxl_enc_commit, 863 }; 864 865 static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = { 866 .get_modes = qxl_conn_get_modes, 867 .mode_valid = qxl_conn_mode_valid, 868 .best_encoder = qxl_best_encoder, 869 }; 870 871 static void qxl_conn_save(struct drm_connector *connector) 872 { 873 DRM_DEBUG("\n"); 874 } 875 876 static void qxl_conn_restore(struct drm_connector *connector) 877 { 878 DRM_DEBUG("\n"); 879 } 880 881 static enum drm_connector_status qxl_conn_detect( 882 struct drm_connector *connector, 883 bool force) 884 { 885 struct qxl_output *output = 886 drm_connector_to_qxl_output(connector); 887 struct drm_device *ddev = connector->dev; 888 struct qxl_device *qdev = ddev->dev_private; 889 bool connected = false; 890 891 /* The first monitor is always connected */ 892 if (!qdev->client_monitors_config) { 893 if (output->index == 0) 894 connected = true; 895 } else 896 connected = qdev->client_monitors_config->count > output->index && 897 qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]); 898 899 DRM_DEBUG("#%d connected: %d\n", output->index, connected); 900 if (!connected) 901 qxl_monitors_config_set(qdev, output->index, 0, 0, 0, 0, 0); 902 903 return connected ? connector_status_connected 904 : connector_status_disconnected; 905 } 906 907 static int qxl_conn_set_property(struct drm_connector *connector, 908 struct drm_property *property, 909 uint64_t value) 910 { 911 DRM_DEBUG("\n"); 912 return 0; 913 } 914 915 static void qxl_conn_destroy(struct drm_connector *connector) 916 { 917 struct qxl_output *qxl_output = 918 drm_connector_to_qxl_output(connector); 919 920 drm_connector_unregister(connector); 921 drm_connector_cleanup(connector); 922 kfree(qxl_output); 923 } 924 925 static const struct drm_connector_funcs qxl_connector_funcs = { 926 .dpms = drm_helper_connector_dpms, 927 .save = qxl_conn_save, 928 .restore = qxl_conn_restore, 929 .detect = qxl_conn_detect, 930 .fill_modes = drm_helper_probe_single_connector_modes_nomerge, 931 .set_property = qxl_conn_set_property, 932 .destroy = qxl_conn_destroy, 933 }; 934 935 static void qxl_enc_destroy(struct drm_encoder *encoder) 936 { 937 drm_encoder_cleanup(encoder); 938 } 939 940 static const struct drm_encoder_funcs qxl_enc_funcs = { 941 .destroy = qxl_enc_destroy, 942 }; 943 944 static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev) 945 { 946 if (qdev->hotplug_mode_update_property) 947 return 0; 948 949 qdev->hotplug_mode_update_property = 950 drm_property_create_range(qdev->ddev, DRM_MODE_PROP_IMMUTABLE, 951 "hotplug_mode_update", 0, 1); 952 953 return 0; 954 } 955 956 static int qdev_output_init(struct drm_device *dev, int num_output) 957 { 958 struct qxl_device *qdev = dev->dev_private; 959 struct qxl_output *qxl_output; 960 struct drm_connector *connector; 961 struct drm_encoder *encoder; 962 963 qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL); 964 if (!qxl_output) 965 return -ENOMEM; 966 967 qxl_output->index = num_output; 968 969 connector = &qxl_output->base; 970 encoder = &qxl_output->enc; 971 drm_connector_init(dev, &qxl_output->base, 972 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL); 973 974 drm_encoder_init(dev, &qxl_output->enc, &qxl_enc_funcs, 975 DRM_MODE_ENCODER_VIRTUAL); 976 977 /* we get HPD via client monitors config */ 978 connector->polled = DRM_CONNECTOR_POLL_HPD; 979 encoder->possible_crtcs = 1 << num_output; 980 drm_mode_connector_attach_encoder(&qxl_output->base, 981 &qxl_output->enc); 982 drm_encoder_helper_add(encoder, &qxl_enc_helper_funcs); 983 drm_connector_helper_add(connector, &qxl_connector_helper_funcs); 984 985 drm_object_attach_property(&connector->base, 986 qdev->hotplug_mode_update_property, 0); 987 drm_object_attach_property(&connector->base, 988 dev->mode_config.suggested_x_property, 0); 989 drm_object_attach_property(&connector->base, 990 dev->mode_config.suggested_y_property, 0); 991 drm_connector_register(connector); 992 return 0; 993 } 994 995 static struct drm_framebuffer * 996 qxl_user_framebuffer_create(struct drm_device *dev, 997 struct drm_file *file_priv, 998 struct drm_mode_fb_cmd2 *mode_cmd) 999 { 1000 struct drm_gem_object *obj; 1001 struct qxl_framebuffer *qxl_fb; 1002 int ret; 1003 1004 obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]); 1005 1006 qxl_fb = kzalloc(sizeof(*qxl_fb), GFP_KERNEL); 1007 if (qxl_fb == NULL) 1008 return NULL; 1009 1010 ret = qxl_framebuffer_init(dev, qxl_fb, mode_cmd, obj); 1011 if (ret) { 1012 kfree(qxl_fb); 1013 drm_gem_object_unreference_unlocked(obj); 1014 return NULL; 1015 } 1016 1017 return &qxl_fb->base; 1018 } 1019 1020 static const struct drm_mode_config_funcs qxl_mode_funcs = { 1021 .fb_create = qxl_user_framebuffer_create, 1022 }; 1023 1024 int qxl_create_monitors_object(struct qxl_device *qdev) 1025 { 1026 int ret; 1027 struct drm_gem_object *gobj; 1028 int max_allowed = qxl_num_crtc; 1029 int monitors_config_size = sizeof(struct qxl_monitors_config) + 1030 max_allowed * sizeof(struct qxl_head); 1031 1032 ret = qxl_gem_object_create(qdev, monitors_config_size, 0, 1033 QXL_GEM_DOMAIN_VRAM, 1034 false, false, NULL, &gobj); 1035 if (ret) { 1036 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret); 1037 return -ENOMEM; 1038 } 1039 qdev->monitors_config_bo = gem_to_qxl_bo(gobj); 1040 1041 ret = qxl_bo_reserve(qdev->monitors_config_bo, false); 1042 if (ret) 1043 return ret; 1044 1045 ret = qxl_bo_pin(qdev->monitors_config_bo, QXL_GEM_DOMAIN_VRAM, NULL); 1046 if (ret) { 1047 qxl_bo_unreserve(qdev->monitors_config_bo); 1048 return ret; 1049 } 1050 1051 qxl_bo_unreserve(qdev->monitors_config_bo); 1052 1053 qxl_bo_kmap(qdev->monitors_config_bo, NULL); 1054 1055 qdev->monitors_config = qdev->monitors_config_bo->kptr; 1056 qdev->ram_header->monitors_config = 1057 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0); 1058 1059 memset(qdev->monitors_config, 0, monitors_config_size); 1060 qdev->monitors_config->max_allowed = max_allowed; 1061 return 0; 1062 } 1063 1064 int qxl_destroy_monitors_object(struct qxl_device *qdev) 1065 { 1066 int ret; 1067 1068 qdev->monitors_config = NULL; 1069 qdev->ram_header->monitors_config = 0; 1070 1071 qxl_bo_kunmap(qdev->monitors_config_bo); 1072 ret = qxl_bo_reserve(qdev->monitors_config_bo, false); 1073 if (ret) 1074 return ret; 1075 1076 qxl_bo_unpin(qdev->monitors_config_bo); 1077 qxl_bo_unreserve(qdev->monitors_config_bo); 1078 1079 qxl_bo_unref(&qdev->monitors_config_bo); 1080 return 0; 1081 } 1082 1083 int qxl_modeset_init(struct qxl_device *qdev) 1084 { 1085 int i; 1086 int ret; 1087 1088 drm_mode_config_init(qdev->ddev); 1089 1090 ret = qxl_create_monitors_object(qdev); 1091 if (ret) 1092 return ret; 1093 1094 qdev->ddev->mode_config.funcs = (void *)&qxl_mode_funcs; 1095 1096 /* modes will be validated against the framebuffer size */ 1097 qdev->ddev->mode_config.min_width = 320; 1098 qdev->ddev->mode_config.min_height = 200; 1099 qdev->ddev->mode_config.max_width = 8192; 1100 qdev->ddev->mode_config.max_height = 8192; 1101 1102 qdev->ddev->mode_config.fb_base = qdev->vram_base; 1103 1104 drm_mode_create_suggested_offset_properties(qdev->ddev); 1105 qxl_mode_create_hotplug_mode_update_property(qdev); 1106 1107 for (i = 0 ; i < qxl_num_crtc; ++i) { 1108 qdev_crtc_init(qdev->ddev, i); 1109 qdev_output_init(qdev->ddev, i); 1110 } 1111 1112 qdev->mode_info.mode_config_initialized = true; 1113 1114 /* primary surface must be created by this point, to allow 1115 * issuing command queue commands and having them read by 1116 * spice server. */ 1117 qxl_fbdev_init(qdev); 1118 return 0; 1119 } 1120 1121 void qxl_modeset_fini(struct qxl_device *qdev) 1122 { 1123 qxl_fbdev_fini(qdev); 1124 1125 qxl_destroy_monitors_object(qdev); 1126 if (qdev->mode_info.mode_config_initialized) { 1127 drm_mode_config_cleanup(qdev->ddev); 1128 qdev->mode_info.mode_config_initialized = false; 1129 } 1130 } 1131