qxl_display.c revision b87577b7c768683736eea28f70779e8c75b4df62
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 33static bool qxl_head_enabled(struct qxl_head *head) 34{ 35 return head->width && head->height; 36} 37 38void 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 59static 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 103void 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 118static 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 142static 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 182static 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 190static int 191qxl_hide_cursor(struct qxl_device *qdev) 192{ 193 struct qxl_release *release; 194 struct qxl_cursor_cmd *cmd; 195 int ret; 196 197 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD, 198 &release, NULL); 199 if (ret) 200 return ret; 201 202 ret = qxl_release_reserve_list(release, true); 203 if (ret) { 204 qxl_release_free(qdev, release); 205 return ret; 206 } 207 208 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 209 cmd->type = QXL_CURSOR_HIDE; 210 qxl_release_unmap(qdev, release, &cmd->release_info); 211 212 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 213 qxl_release_fence_buffer_objects(release); 214 return 0; 215} 216 217static int qxl_crtc_cursor_set2(struct drm_crtc *crtc, 218 struct drm_file *file_priv, 219 uint32_t handle, 220 uint32_t width, 221 uint32_t height, int32_t hot_x, int32_t hot_y) 222{ 223 struct drm_device *dev = crtc->dev; 224 struct qxl_device *qdev = dev->dev_private; 225 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 226 struct drm_gem_object *obj; 227 struct qxl_cursor *cursor; 228 struct qxl_cursor_cmd *cmd; 229 struct qxl_bo *cursor_bo, *user_bo; 230 struct qxl_release *release; 231 void *user_ptr; 232 233 int size = 64*64*4; 234 int ret = 0; 235 if (!handle) 236 return qxl_hide_cursor(qdev); 237 238 obj = drm_gem_object_lookup(crtc->dev, file_priv, handle); 239 if (!obj) { 240 DRM_ERROR("cannot find cursor object\n"); 241 return -ENOENT; 242 } 243 244 user_bo = gem_to_qxl_bo(obj); 245 246 ret = qxl_bo_reserve(user_bo, false); 247 if (ret) 248 goto out_unref; 249 250 ret = qxl_bo_pin(user_bo, QXL_GEM_DOMAIN_CPU, NULL); 251 qxl_bo_unreserve(user_bo); 252 if (ret) 253 goto out_unref; 254 255 ret = qxl_bo_kmap(user_bo, &user_ptr); 256 if (ret) 257 goto out_unpin; 258 259 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), 260 QXL_RELEASE_CURSOR_CMD, 261 &release, NULL); 262 if (ret) 263 goto out_kunmap; 264 265 ret = qxl_alloc_bo_reserved(qdev, release, sizeof(struct qxl_cursor) + size, 266 &cursor_bo); 267 if (ret) 268 goto out_free_release; 269 270 ret = qxl_release_reserve_list(release, false); 271 if (ret) 272 goto out_free_bo; 273 274 ret = qxl_bo_kmap(cursor_bo, (void **)&cursor); 275 if (ret) 276 goto out_backoff; 277 278 cursor->header.unique = 0; 279 cursor->header.type = SPICE_CURSOR_TYPE_ALPHA; 280 cursor->header.width = 64; 281 cursor->header.height = 64; 282 cursor->header.hot_spot_x = hot_x; 283 cursor->header.hot_spot_y = hot_y; 284 cursor->data_size = size; 285 cursor->chunk.next_chunk = 0; 286 cursor->chunk.prev_chunk = 0; 287 cursor->chunk.data_size = size; 288 289 memcpy(cursor->chunk.data, user_ptr, size); 290 291 qxl_bo_kunmap(cursor_bo); 292 293 qxl_bo_kunmap(user_bo); 294 295 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 296 cmd->type = QXL_CURSOR_SET; 297 cmd->u.set.position.x = qcrtc->cur_x; 298 cmd->u.set.position.y = qcrtc->cur_y; 299 300 cmd->u.set.shape = qxl_bo_physical_address(qdev, cursor_bo, 0); 301 302 cmd->u.set.visible = 1; 303 qxl_release_unmap(qdev, release, &cmd->release_info); 304 305 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 306 qxl_release_fence_buffer_objects(release); 307 308 /* finish with the userspace bo */ 309 ret = qxl_bo_reserve(user_bo, false); 310 if (!ret) { 311 qxl_bo_unpin(user_bo); 312 qxl_bo_unreserve(user_bo); 313 } 314 drm_gem_object_unreference_unlocked(obj); 315 316 qxl_bo_unref(&cursor_bo); 317 318 return ret; 319 320out_backoff: 321 qxl_release_backoff_reserve_list(release); 322out_free_bo: 323 qxl_bo_unref(&cursor_bo); 324out_free_release: 325 qxl_release_free(qdev, release); 326out_kunmap: 327 qxl_bo_kunmap(user_bo); 328out_unpin: 329 qxl_bo_unpin(user_bo); 330out_unref: 331 drm_gem_object_unreference_unlocked(obj); 332 return ret; 333} 334 335static int qxl_crtc_cursor_move(struct drm_crtc *crtc, 336 int x, int y) 337{ 338 struct drm_device *dev = crtc->dev; 339 struct qxl_device *qdev = dev->dev_private; 340 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 341 struct qxl_release *release; 342 struct qxl_cursor_cmd *cmd; 343 int ret; 344 345 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD, 346 &release, NULL); 347 if (ret) 348 return ret; 349 350 ret = qxl_release_reserve_list(release, true); 351 if (ret) { 352 qxl_release_free(qdev, release); 353 return ret; 354 } 355 356 qcrtc->cur_x = x; 357 qcrtc->cur_y = y; 358 359 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 360 cmd->type = QXL_CURSOR_MOVE; 361 cmd->u.position.x = qcrtc->cur_x; 362 cmd->u.position.y = qcrtc->cur_y; 363 qxl_release_unmap(qdev, release, &cmd->release_info); 364 365 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 366 qxl_release_fence_buffer_objects(release); 367 368 return 0; 369} 370 371 372static const struct drm_crtc_funcs qxl_crtc_funcs = { 373 .cursor_set2 = qxl_crtc_cursor_set2, 374 .cursor_move = qxl_crtc_cursor_move, 375 .set_config = drm_crtc_helper_set_config, 376 .destroy = qxl_crtc_destroy, 377}; 378 379static void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb) 380{ 381 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb); 382 383 if (qxl_fb->obj) 384 drm_gem_object_unreference_unlocked(qxl_fb->obj); 385 drm_framebuffer_cleanup(fb); 386 kfree(qxl_fb); 387} 388 389static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb, 390 struct drm_file *file_priv, 391 unsigned flags, unsigned color, 392 struct drm_clip_rect *clips, 393 unsigned num_clips) 394{ 395 /* TODO: vmwgfx where this was cribbed from had locking. Why? */ 396 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb); 397 struct qxl_device *qdev = qxl_fb->base.dev->dev_private; 398 struct drm_clip_rect norect; 399 struct qxl_bo *qobj; 400 int inc = 1; 401 402 drm_modeset_lock_all(fb->dev); 403 404 qobj = gem_to_qxl_bo(qxl_fb->obj); 405 /* if we aren't primary surface ignore this */ 406 if (!qobj->is_primary) { 407 drm_modeset_unlock_all(fb->dev); 408 return 0; 409 } 410 411 if (!num_clips) { 412 num_clips = 1; 413 clips = &norect; 414 norect.x1 = norect.y1 = 0; 415 norect.x2 = fb->width; 416 norect.y2 = fb->height; 417 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) { 418 num_clips /= 2; 419 inc = 2; /* skip source rects */ 420 } 421 422 qxl_draw_dirty_fb(qdev, qxl_fb, qobj, flags, color, 423 clips, num_clips, inc); 424 425 drm_modeset_unlock_all(fb->dev); 426 427 return 0; 428} 429 430static const struct drm_framebuffer_funcs qxl_fb_funcs = { 431 .destroy = qxl_user_framebuffer_destroy, 432 .dirty = qxl_framebuffer_surface_dirty, 433/* TODO? 434 * .create_handle = qxl_user_framebuffer_create_handle, */ 435}; 436 437int 438qxl_framebuffer_init(struct drm_device *dev, 439 struct qxl_framebuffer *qfb, 440 struct drm_mode_fb_cmd2 *mode_cmd, 441 struct drm_gem_object *obj) 442{ 443 int ret; 444 445 qfb->obj = obj; 446 ret = drm_framebuffer_init(dev, &qfb->base, &qxl_fb_funcs); 447 if (ret) { 448 qfb->obj = NULL; 449 return ret; 450 } 451 drm_helper_mode_fill_fb_struct(&qfb->base, mode_cmd); 452 return 0; 453} 454 455static void qxl_crtc_dpms(struct drm_crtc *crtc, int mode) 456{ 457} 458 459static bool qxl_crtc_mode_fixup(struct drm_crtc *crtc, 460 const struct drm_display_mode *mode, 461 struct drm_display_mode *adjusted_mode) 462{ 463 struct drm_device *dev = crtc->dev; 464 struct qxl_device *qdev = dev->dev_private; 465 466 qxl_io_log(qdev, "%s: (%d,%d) => (%d,%d)\n", 467 __func__, 468 mode->hdisplay, mode->vdisplay, 469 adjusted_mode->hdisplay, 470 adjusted_mode->vdisplay); 471 return true; 472} 473 474void 475qxl_send_monitors_config(struct qxl_device *qdev) 476{ 477 int i; 478 479 BUG_ON(!qdev->ram_header->monitors_config); 480 481 if (qdev->monitors_config->count == 0) { 482 qxl_io_log(qdev, "%s: 0 monitors??\n", __func__); 483 return; 484 } 485 for (i = 0 ; i < qdev->monitors_config->count ; ++i) { 486 struct qxl_head *head = &qdev->monitors_config->heads[i]; 487 488 if (head->y > 8192 || head->x > 8192 || 489 head->width > 8192 || head->height > 8192) { 490 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n", 491 i, head->width, head->height, 492 head->x, head->y); 493 return; 494 } 495 } 496 qxl_io_monitors_config(qdev); 497} 498 499static void qxl_monitors_config_set(struct qxl_device *qdev, 500 int index, 501 unsigned x, unsigned y, 502 unsigned width, unsigned height, 503 unsigned surf_id) 504{ 505 DRM_DEBUG_KMS("%d:%dx%d+%d+%d\n", index, width, height, x, y); 506 qdev->monitors_config->heads[index].x = x; 507 qdev->monitors_config->heads[index].y = y; 508 qdev->monitors_config->heads[index].width = width; 509 qdev->monitors_config->heads[index].height = height; 510 qdev->monitors_config->heads[index].surface_id = surf_id; 511 512} 513 514static int qxl_crtc_mode_set(struct drm_crtc *crtc, 515 struct drm_display_mode *mode, 516 struct drm_display_mode *adjusted_mode, 517 int x, int y, 518 struct drm_framebuffer *old_fb) 519{ 520 struct drm_device *dev = crtc->dev; 521 struct qxl_device *qdev = dev->dev_private; 522 struct qxl_mode *m = (void *)mode->private; 523 struct qxl_framebuffer *qfb; 524 struct qxl_bo *bo, *old_bo = NULL; 525 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 526 uint32_t width, height, base_offset; 527 bool recreate_primary = false; 528 int ret; 529 int surf_id; 530 if (!crtc->primary->fb) { 531 DRM_DEBUG_KMS("No FB bound\n"); 532 return 0; 533 } 534 535 if (old_fb) { 536 qfb = to_qxl_framebuffer(old_fb); 537 old_bo = gem_to_qxl_bo(qfb->obj); 538 } 539 qfb = to_qxl_framebuffer(crtc->primary->fb); 540 bo = gem_to_qxl_bo(qfb->obj); 541 if (!m) 542 /* and do we care? */ 543 DRM_DEBUG("%dx%d: not a native mode\n", x, y); 544 else 545 DRM_DEBUG("%dx%d: qxl id %d\n", 546 mode->hdisplay, mode->vdisplay, m->id); 547 DRM_DEBUG("+%d+%d (%d,%d) => (%d,%d)\n", 548 x, y, 549 mode->hdisplay, mode->vdisplay, 550 adjusted_mode->hdisplay, 551 adjusted_mode->vdisplay); 552 553 if (qcrtc->index == 0) 554 recreate_primary = true; 555 556 width = mode->hdisplay; 557 height = mode->vdisplay; 558 base_offset = 0; 559 560 ret = qxl_bo_reserve(bo, false); 561 if (ret != 0) 562 return ret; 563 ret = qxl_bo_pin(bo, bo->type, NULL); 564 if (ret != 0) { 565 qxl_bo_unreserve(bo); 566 return -EINVAL; 567 } 568 qxl_bo_unreserve(bo); 569 if (recreate_primary) { 570 qxl_io_destroy_primary(qdev); 571 qxl_io_log(qdev, 572 "recreate primary: %dx%d (was %dx%d,%d,%d)\n", 573 width, height, bo->surf.width, 574 bo->surf.height, bo->surf.stride, bo->surf.format); 575 qxl_io_create_primary(qdev, base_offset, bo); 576 bo->is_primary = true; 577 surf_id = 0; 578 } else { 579 surf_id = bo->surface_id; 580 } 581 582 if (old_bo && old_bo != bo) { 583 old_bo->is_primary = false; 584 ret = qxl_bo_reserve(old_bo, false); 585 qxl_bo_unpin(old_bo); 586 qxl_bo_unreserve(old_bo); 587 } 588 589 qxl_monitors_config_set(qdev, qcrtc->index, x, y, 590 mode->hdisplay, 591 mode->vdisplay, surf_id); 592 return 0; 593} 594 595static void qxl_crtc_prepare(struct drm_crtc *crtc) 596{ 597 DRM_DEBUG("current: %dx%d+%d+%d (%d).\n", 598 crtc->mode.hdisplay, crtc->mode.vdisplay, 599 crtc->x, crtc->y, crtc->enabled); 600} 601 602static void qxl_crtc_commit(struct drm_crtc *crtc) 603{ 604 DRM_DEBUG("\n"); 605} 606 607static void qxl_crtc_disable(struct drm_crtc *crtc) 608{ 609 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 610 struct drm_device *dev = crtc->dev; 611 struct qxl_device *qdev = dev->dev_private; 612 if (crtc->primary->fb) { 613 struct qxl_framebuffer *qfb = to_qxl_framebuffer(crtc->primary->fb); 614 struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj); 615 int ret; 616 ret = qxl_bo_reserve(bo, false); 617 qxl_bo_unpin(bo); 618 qxl_bo_unreserve(bo); 619 crtc->primary->fb = NULL; 620 } 621 622 qxl_monitors_config_set(qdev, qcrtc->index, 0, 0, 0, 0, 0); 623 624 qxl_send_monitors_config(qdev); 625} 626 627static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = { 628 .dpms = qxl_crtc_dpms, 629 .disable = qxl_crtc_disable, 630 .mode_fixup = qxl_crtc_mode_fixup, 631 .mode_set = qxl_crtc_mode_set, 632 .prepare = qxl_crtc_prepare, 633 .commit = qxl_crtc_commit, 634}; 635 636static int qdev_crtc_init(struct drm_device *dev, int crtc_id) 637{ 638 struct qxl_crtc *qxl_crtc; 639 640 qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL); 641 if (!qxl_crtc) 642 return -ENOMEM; 643 644 drm_crtc_init(dev, &qxl_crtc->base, &qxl_crtc_funcs); 645 qxl_crtc->index = crtc_id; 646 drm_mode_crtc_set_gamma_size(&qxl_crtc->base, 256); 647 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs); 648 return 0; 649} 650 651static void qxl_enc_dpms(struct drm_encoder *encoder, int mode) 652{ 653 DRM_DEBUG("\n"); 654} 655 656static bool qxl_enc_mode_fixup(struct drm_encoder *encoder, 657 const struct drm_display_mode *mode, 658 struct drm_display_mode *adjusted_mode) 659{ 660 DRM_DEBUG("\n"); 661 return true; 662} 663 664static void qxl_enc_prepare(struct drm_encoder *encoder) 665{ 666 DRM_DEBUG("\n"); 667} 668 669static void qxl_write_monitors_config_for_encoder(struct qxl_device *qdev, 670 struct drm_encoder *encoder) 671{ 672 int i; 673 struct qxl_output *output = drm_encoder_to_qxl_output(encoder); 674 struct qxl_head *head; 675 struct drm_display_mode *mode; 676 677 BUG_ON(!encoder); 678 /* TODO: ugly, do better */ 679 i = output->index; 680 if (!qdev->monitors_config || 681 qdev->monitors_config->max_allowed <= i) { 682 DRM_ERROR( 683 "head number too large or missing monitors config: %p, %d", 684 qdev->monitors_config, 685 qdev->monitors_config ? 686 qdev->monitors_config->max_allowed : -1); 687 return; 688 } 689 if (!encoder->crtc) { 690 DRM_ERROR("missing crtc on encoder %p\n", encoder); 691 return; 692 } 693 if (i != 0) 694 DRM_DEBUG("missing for multiple monitors: no head holes\n"); 695 head = &qdev->monitors_config->heads[i]; 696 head->id = i; 697 if (encoder->crtc->enabled) { 698 mode = &encoder->crtc->mode; 699 head->width = mode->hdisplay; 700 head->height = mode->vdisplay; 701 head->x = encoder->crtc->x; 702 head->y = encoder->crtc->y; 703 if (qdev->monitors_config->count < i + 1) 704 qdev->monitors_config->count = i + 1; 705 } else { 706 head->width = 0; 707 head->height = 0; 708 head->x = 0; 709 head->y = 0; 710 } 711 DRM_DEBUG_KMS("setting head %d to +%d+%d %dx%d out of %d\n", 712 i, head->x, head->y, head->width, head->height, qdev->monitors_config->count); 713 head->flags = 0; 714 /* TODO - somewhere else to call this for multiple monitors 715 * (config_commit?) */ 716 qxl_send_monitors_config(qdev); 717} 718 719static void qxl_enc_commit(struct drm_encoder *encoder) 720{ 721 struct qxl_device *qdev = encoder->dev->dev_private; 722 723 qxl_write_monitors_config_for_encoder(qdev, encoder); 724 DRM_DEBUG("\n"); 725} 726 727static void qxl_enc_mode_set(struct drm_encoder *encoder, 728 struct drm_display_mode *mode, 729 struct drm_display_mode *adjusted_mode) 730{ 731 DRM_DEBUG("\n"); 732} 733 734static int qxl_conn_get_modes(struct drm_connector *connector) 735{ 736 int ret = 0; 737 struct qxl_device *qdev = connector->dev->dev_private; 738 unsigned pwidth = 1024; 739 unsigned pheight = 768; 740 741 DRM_DEBUG_KMS("monitors_config=%p\n", qdev->monitors_config); 742 /* TODO: what should we do here? only show the configured modes for the 743 * device, or allow the full list, or both? */ 744 if (qdev->monitors_config && qdev->monitors_config->count) { 745 ret = qxl_add_monitors_config_modes(connector, &pwidth, &pheight); 746 if (ret < 0) 747 return ret; 748 } 749 ret += qxl_add_common_modes(connector, pwidth, pheight); 750 return ret; 751} 752 753static int qxl_conn_mode_valid(struct drm_connector *connector, 754 struct drm_display_mode *mode) 755{ 756 /* TODO: is this called for user defined modes? (xrandr --add-mode) 757 * TODO: check that the mode fits in the framebuffer */ 758 DRM_DEBUG("%s: %dx%d status=%d\n", mode->name, mode->hdisplay, 759 mode->vdisplay, mode->status); 760 return MODE_OK; 761} 762 763static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector) 764{ 765 struct qxl_output *qxl_output = 766 drm_connector_to_qxl_output(connector); 767 768 DRM_DEBUG("\n"); 769 return &qxl_output->enc; 770} 771 772 773static const struct drm_encoder_helper_funcs qxl_enc_helper_funcs = { 774 .dpms = qxl_enc_dpms, 775 .mode_fixup = qxl_enc_mode_fixup, 776 .prepare = qxl_enc_prepare, 777 .mode_set = qxl_enc_mode_set, 778 .commit = qxl_enc_commit, 779}; 780 781static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = { 782 .get_modes = qxl_conn_get_modes, 783 .mode_valid = qxl_conn_mode_valid, 784 .best_encoder = qxl_best_encoder, 785}; 786 787static void qxl_conn_save(struct drm_connector *connector) 788{ 789 DRM_DEBUG("\n"); 790} 791 792static void qxl_conn_restore(struct drm_connector *connector) 793{ 794 DRM_DEBUG("\n"); 795} 796 797static enum drm_connector_status qxl_conn_detect( 798 struct drm_connector *connector, 799 bool force) 800{ 801 struct qxl_output *output = 802 drm_connector_to_qxl_output(connector); 803 struct drm_device *ddev = connector->dev; 804 struct qxl_device *qdev = ddev->dev_private; 805 int connected; 806 807 /* The first monitor is always connected */ 808 connected = (output->index == 0) || 809 (qdev->client_monitors_config && 810 qdev->client_monitors_config->count > output->index && 811 qxl_head_enabled(&qdev->client_monitors_config->heads[output->index])); 812 813 DRM_DEBUG("#%d connected: %d\n", output->index, connected); 814 if (!connected) 815 qxl_monitors_config_set(qdev, output->index, 0, 0, 0, 0, 0); 816 817 return connected ? connector_status_connected 818 : connector_status_disconnected; 819} 820 821static int qxl_conn_set_property(struct drm_connector *connector, 822 struct drm_property *property, 823 uint64_t value) 824{ 825 DRM_DEBUG("\n"); 826 return 0; 827} 828 829static void qxl_conn_destroy(struct drm_connector *connector) 830{ 831 struct qxl_output *qxl_output = 832 drm_connector_to_qxl_output(connector); 833 834 drm_sysfs_connector_remove(connector); 835 drm_connector_cleanup(connector); 836 kfree(qxl_output); 837} 838 839static const struct drm_connector_funcs qxl_connector_funcs = { 840 .dpms = drm_helper_connector_dpms, 841 .save = qxl_conn_save, 842 .restore = qxl_conn_restore, 843 .detect = qxl_conn_detect, 844 .fill_modes = drm_helper_probe_single_connector_modes_nomerge, 845 .set_property = qxl_conn_set_property, 846 .destroy = qxl_conn_destroy, 847}; 848 849static void qxl_enc_destroy(struct drm_encoder *encoder) 850{ 851 drm_encoder_cleanup(encoder); 852} 853 854static const struct drm_encoder_funcs qxl_enc_funcs = { 855 .destroy = qxl_enc_destroy, 856}; 857 858static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev) 859{ 860 if (qdev->hotplug_mode_update_property) 861 return 0; 862 863 qdev->hotplug_mode_update_property = 864 drm_property_create_range(qdev->ddev, DRM_MODE_PROP_IMMUTABLE, 865 "hotplug_mode_update", 0, 1); 866 867 return 0; 868} 869 870static int qdev_output_init(struct drm_device *dev, int num_output) 871{ 872 struct qxl_device *qdev = dev->dev_private; 873 struct qxl_output *qxl_output; 874 struct drm_connector *connector; 875 struct drm_encoder *encoder; 876 877 qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL); 878 if (!qxl_output) 879 return -ENOMEM; 880 881 qxl_output->index = num_output; 882 883 connector = &qxl_output->base; 884 encoder = &qxl_output->enc; 885 drm_connector_init(dev, &qxl_output->base, 886 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL); 887 888 drm_encoder_init(dev, &qxl_output->enc, &qxl_enc_funcs, 889 DRM_MODE_ENCODER_VIRTUAL); 890 891 /* we get HPD via client monitors config */ 892 connector->polled = DRM_CONNECTOR_POLL_HPD; 893 encoder->possible_crtcs = 1 << num_output; 894 drm_mode_connector_attach_encoder(&qxl_output->base, 895 &qxl_output->enc); 896 drm_encoder_helper_add(encoder, &qxl_enc_helper_funcs); 897 drm_connector_helper_add(connector, &qxl_connector_helper_funcs); 898 899 drm_object_attach_property(&connector->base, 900 qdev->hotplug_mode_update_property, 0); 901 drm_sysfs_connector_add(connector); 902 return 0; 903} 904 905static struct drm_framebuffer * 906qxl_user_framebuffer_create(struct drm_device *dev, 907 struct drm_file *file_priv, 908 struct drm_mode_fb_cmd2 *mode_cmd) 909{ 910 struct drm_gem_object *obj; 911 struct qxl_framebuffer *qxl_fb; 912 int ret; 913 914 obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]); 915 916 qxl_fb = kzalloc(sizeof(*qxl_fb), GFP_KERNEL); 917 if (qxl_fb == NULL) 918 return NULL; 919 920 ret = qxl_framebuffer_init(dev, qxl_fb, mode_cmd, obj); 921 if (ret) { 922 kfree(qxl_fb); 923 drm_gem_object_unreference_unlocked(obj); 924 return NULL; 925 } 926 927 return &qxl_fb->base; 928} 929 930static const struct drm_mode_config_funcs qxl_mode_funcs = { 931 .fb_create = qxl_user_framebuffer_create, 932}; 933 934int qxl_create_monitors_object(struct qxl_device *qdev) 935{ 936 int ret; 937 struct drm_gem_object *gobj; 938 int max_allowed = qxl_num_crtc; 939 int monitors_config_size = sizeof(struct qxl_monitors_config) + 940 max_allowed * sizeof(struct qxl_head); 941 942 ret = qxl_gem_object_create(qdev, monitors_config_size, 0, 943 QXL_GEM_DOMAIN_VRAM, 944 false, false, NULL, &gobj); 945 if (ret) { 946 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret); 947 return -ENOMEM; 948 } 949 qdev->monitors_config_bo = gem_to_qxl_bo(gobj); 950 951 ret = qxl_bo_reserve(qdev->monitors_config_bo, false); 952 if (ret) 953 return ret; 954 955 ret = qxl_bo_pin(qdev->monitors_config_bo, QXL_GEM_DOMAIN_VRAM, NULL); 956 if (ret) { 957 qxl_bo_unreserve(qdev->monitors_config_bo); 958 return ret; 959 } 960 961 qxl_bo_unreserve(qdev->monitors_config_bo); 962 963 qxl_bo_kmap(qdev->monitors_config_bo, NULL); 964 965 qdev->monitors_config = qdev->monitors_config_bo->kptr; 966 qdev->ram_header->monitors_config = 967 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0); 968 969 memset(qdev->monitors_config, 0, monitors_config_size); 970 qdev->monitors_config->max_allowed = max_allowed; 971 return 0; 972} 973 974int qxl_destroy_monitors_object(struct qxl_device *qdev) 975{ 976 int ret; 977 978 qdev->monitors_config = NULL; 979 qdev->ram_header->monitors_config = 0; 980 981 qxl_bo_kunmap(qdev->monitors_config_bo); 982 ret = qxl_bo_reserve(qdev->monitors_config_bo, false); 983 if (ret) 984 return ret; 985 986 qxl_bo_unpin(qdev->monitors_config_bo); 987 qxl_bo_unreserve(qdev->monitors_config_bo); 988 989 qxl_bo_unref(&qdev->monitors_config_bo); 990 return 0; 991} 992 993int qxl_modeset_init(struct qxl_device *qdev) 994{ 995 int i; 996 int ret; 997 998 drm_mode_config_init(qdev->ddev); 999 1000 ret = qxl_create_monitors_object(qdev); 1001 if (ret) 1002 return ret; 1003 1004 qdev->ddev->mode_config.funcs = (void *)&qxl_mode_funcs; 1005 1006 /* modes will be validated against the framebuffer size */ 1007 qdev->ddev->mode_config.min_width = 320; 1008 qdev->ddev->mode_config.min_height = 200; 1009 qdev->ddev->mode_config.max_width = 8192; 1010 qdev->ddev->mode_config.max_height = 8192; 1011 1012 qdev->ddev->mode_config.fb_base = qdev->vram_base; 1013 1014 qxl_mode_create_hotplug_mode_update_property(qdev); 1015 1016 for (i = 0 ; i < qxl_num_crtc; ++i) { 1017 qdev_crtc_init(qdev->ddev, i); 1018 qdev_output_init(qdev->ddev, i); 1019 } 1020 1021 qdev->mode_info.mode_config_initialized = true; 1022 1023 /* primary surface must be created by this point, to allow 1024 * issuing command queue commands and having them read by 1025 * spice server. */ 1026 qxl_fbdev_init(qdev); 1027 return 0; 1028} 1029 1030void qxl_modeset_fini(struct qxl_device *qdev) 1031{ 1032 qxl_fbdev_fini(qdev); 1033 1034 qxl_destroy_monitors_object(qdev); 1035 if (qdev->mode_info.mode_config_initialized) { 1036 drm_mode_config_cleanup(qdev->ddev); 1037 qdev->mode_info.mode_config_initialized = false; 1038 } 1039} 1040