qxl_display.c revision b080742393e2c19c603ccd651f10d58b32455749
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 if (common_modes[i].w < 320 || common_modes[i].h < 200) 174 continue; 175 176 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 177 60, false, false, false); 178 if (common_modes[i].w == pwidth && common_modes[i].h == pheight) 179 mode->type |= DRM_MODE_TYPE_PREFERRED; 180 drm_mode_probed_add(connector, mode); 181 } 182 return i - 1; 183} 184 185static void qxl_crtc_destroy(struct drm_crtc *crtc) 186{ 187 struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc); 188 189 drm_crtc_cleanup(crtc); 190 kfree(qxl_crtc); 191} 192 193static int 194qxl_hide_cursor(struct qxl_device *qdev) 195{ 196 struct qxl_release *release; 197 struct qxl_cursor_cmd *cmd; 198 int ret; 199 200 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD, 201 &release, NULL); 202 if (ret) 203 return ret; 204 205 ret = qxl_release_reserve_list(release, true); 206 if (ret) { 207 qxl_release_free(qdev, release); 208 return ret; 209 } 210 211 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 212 cmd->type = QXL_CURSOR_HIDE; 213 qxl_release_unmap(qdev, release, &cmd->release_info); 214 215 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 216 qxl_release_fence_buffer_objects(release); 217 return 0; 218} 219 220static int qxl_crtc_cursor_set2(struct drm_crtc *crtc, 221 struct drm_file *file_priv, 222 uint32_t handle, 223 uint32_t width, 224 uint32_t height, int32_t hot_x, int32_t hot_y) 225{ 226 struct drm_device *dev = crtc->dev; 227 struct qxl_device *qdev = dev->dev_private; 228 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 229 struct drm_gem_object *obj; 230 struct qxl_cursor *cursor; 231 struct qxl_cursor_cmd *cmd; 232 struct qxl_bo *cursor_bo, *user_bo; 233 struct qxl_release *release; 234 void *user_ptr; 235 236 int size = 64*64*4; 237 int ret = 0; 238 if (!handle) 239 return qxl_hide_cursor(qdev); 240 241 obj = drm_gem_object_lookup(crtc->dev, file_priv, handle); 242 if (!obj) { 243 DRM_ERROR("cannot find cursor object\n"); 244 return -ENOENT; 245 } 246 247 user_bo = gem_to_qxl_bo(obj); 248 249 ret = qxl_bo_reserve(user_bo, false); 250 if (ret) 251 goto out_unref; 252 253 ret = qxl_bo_pin(user_bo, QXL_GEM_DOMAIN_CPU, NULL); 254 qxl_bo_unreserve(user_bo); 255 if (ret) 256 goto out_unref; 257 258 ret = qxl_bo_kmap(user_bo, &user_ptr); 259 if (ret) 260 goto out_unpin; 261 262 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), 263 QXL_RELEASE_CURSOR_CMD, 264 &release, NULL); 265 if (ret) 266 goto out_kunmap; 267 268 ret = qxl_alloc_bo_reserved(qdev, release, sizeof(struct qxl_cursor) + size, 269 &cursor_bo); 270 if (ret) 271 goto out_free_release; 272 273 ret = qxl_release_reserve_list(release, false); 274 if (ret) 275 goto out_free_bo; 276 277 ret = qxl_bo_kmap(cursor_bo, (void **)&cursor); 278 if (ret) 279 goto out_backoff; 280 281 cursor->header.unique = 0; 282 cursor->header.type = SPICE_CURSOR_TYPE_ALPHA; 283 cursor->header.width = 64; 284 cursor->header.height = 64; 285 cursor->header.hot_spot_x = hot_x; 286 cursor->header.hot_spot_y = hot_y; 287 cursor->data_size = size; 288 cursor->chunk.next_chunk = 0; 289 cursor->chunk.prev_chunk = 0; 290 cursor->chunk.data_size = size; 291 292 memcpy(cursor->chunk.data, user_ptr, size); 293 294 qxl_bo_kunmap(cursor_bo); 295 296 qxl_bo_kunmap(user_bo); 297 298 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 299 cmd->type = QXL_CURSOR_SET; 300 cmd->u.set.position.x = qcrtc->cur_x; 301 cmd->u.set.position.y = qcrtc->cur_y; 302 303 cmd->u.set.shape = qxl_bo_physical_address(qdev, cursor_bo, 0); 304 305 cmd->u.set.visible = 1; 306 qxl_release_unmap(qdev, release, &cmd->release_info); 307 308 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 309 qxl_release_fence_buffer_objects(release); 310 311 /* finish with the userspace bo */ 312 ret = qxl_bo_reserve(user_bo, false); 313 if (!ret) { 314 qxl_bo_unpin(user_bo); 315 qxl_bo_unreserve(user_bo); 316 } 317 drm_gem_object_unreference_unlocked(obj); 318 319 qxl_bo_unref(&cursor_bo); 320 321 return ret; 322 323out_backoff: 324 qxl_release_backoff_reserve_list(release); 325out_free_bo: 326 qxl_bo_unref(&cursor_bo); 327out_free_release: 328 qxl_release_free(qdev, release); 329out_kunmap: 330 qxl_bo_kunmap(user_bo); 331out_unpin: 332 qxl_bo_unpin(user_bo); 333out_unref: 334 drm_gem_object_unreference_unlocked(obj); 335 return ret; 336} 337 338static int qxl_crtc_cursor_move(struct drm_crtc *crtc, 339 int x, int y) 340{ 341 struct drm_device *dev = crtc->dev; 342 struct qxl_device *qdev = dev->dev_private; 343 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 344 struct qxl_release *release; 345 struct qxl_cursor_cmd *cmd; 346 int ret; 347 348 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD, 349 &release, NULL); 350 if (ret) 351 return ret; 352 353 ret = qxl_release_reserve_list(release, true); 354 if (ret) { 355 qxl_release_free(qdev, release); 356 return ret; 357 } 358 359 qcrtc->cur_x = x; 360 qcrtc->cur_y = y; 361 362 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 363 cmd->type = QXL_CURSOR_MOVE; 364 cmd->u.position.x = qcrtc->cur_x; 365 cmd->u.position.y = qcrtc->cur_y; 366 qxl_release_unmap(qdev, release, &cmd->release_info); 367 368 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 369 qxl_release_fence_buffer_objects(release); 370 371 return 0; 372} 373 374 375static const struct drm_crtc_funcs qxl_crtc_funcs = { 376 .cursor_set2 = qxl_crtc_cursor_set2, 377 .cursor_move = qxl_crtc_cursor_move, 378 .set_config = drm_crtc_helper_set_config, 379 .destroy = qxl_crtc_destroy, 380}; 381 382static void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb) 383{ 384 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb); 385 386 if (qxl_fb->obj) 387 drm_gem_object_unreference_unlocked(qxl_fb->obj); 388 drm_framebuffer_cleanup(fb); 389 kfree(qxl_fb); 390} 391 392static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb, 393 struct drm_file *file_priv, 394 unsigned flags, unsigned color, 395 struct drm_clip_rect *clips, 396 unsigned num_clips) 397{ 398 /* TODO: vmwgfx where this was cribbed from had locking. Why? */ 399 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb); 400 struct qxl_device *qdev = qxl_fb->base.dev->dev_private; 401 struct drm_clip_rect norect; 402 struct qxl_bo *qobj; 403 int inc = 1; 404 405 qobj = gem_to_qxl_bo(qxl_fb->obj); 406 /* if we aren't primary surface ignore this */ 407 if (!qobj->is_primary) 408 return 0; 409 410 if (!num_clips) { 411 num_clips = 1; 412 clips = &norect; 413 norect.x1 = norect.y1 = 0; 414 norect.x2 = fb->width; 415 norect.y2 = fb->height; 416 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) { 417 num_clips /= 2; 418 inc = 2; /* skip source rects */ 419 } 420 421 qxl_draw_dirty_fb(qdev, qxl_fb, qobj, flags, color, 422 clips, num_clips, inc); 423 return 0; 424} 425 426static const struct drm_framebuffer_funcs qxl_fb_funcs = { 427 .destroy = qxl_user_framebuffer_destroy, 428 .dirty = qxl_framebuffer_surface_dirty, 429/* TODO? 430 * .create_handle = qxl_user_framebuffer_create_handle, */ 431}; 432 433int 434qxl_framebuffer_init(struct drm_device *dev, 435 struct qxl_framebuffer *qfb, 436 struct drm_mode_fb_cmd2 *mode_cmd, 437 struct drm_gem_object *obj) 438{ 439 int ret; 440 441 qfb->obj = obj; 442 ret = drm_framebuffer_init(dev, &qfb->base, &qxl_fb_funcs); 443 if (ret) { 444 qfb->obj = NULL; 445 return ret; 446 } 447 drm_helper_mode_fill_fb_struct(&qfb->base, mode_cmd); 448 return 0; 449} 450 451static void qxl_crtc_dpms(struct drm_crtc *crtc, int mode) 452{ 453} 454 455static bool qxl_crtc_mode_fixup(struct drm_crtc *crtc, 456 const struct drm_display_mode *mode, 457 struct drm_display_mode *adjusted_mode) 458{ 459 struct drm_device *dev = crtc->dev; 460 struct qxl_device *qdev = dev->dev_private; 461 462 qxl_io_log(qdev, "%s: (%d,%d) => (%d,%d)\n", 463 __func__, 464 mode->hdisplay, mode->vdisplay, 465 adjusted_mode->hdisplay, 466 adjusted_mode->vdisplay); 467 return true; 468} 469 470void 471qxl_send_monitors_config(struct qxl_device *qdev) 472{ 473 int i; 474 475 BUG_ON(!qdev->ram_header->monitors_config); 476 477 if (qdev->monitors_config->count == 0) { 478 qxl_io_log(qdev, "%s: 0 monitors??\n", __func__); 479 return; 480 } 481 for (i = 0 ; i < qdev->monitors_config->count ; ++i) { 482 struct qxl_head *head = &qdev->monitors_config->heads[i]; 483 484 if (head->y > 8192 || head->x > 8192 || 485 head->width > 8192 || head->height > 8192) { 486 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n", 487 i, head->width, head->height, 488 head->x, head->y); 489 return; 490 } 491 } 492 qxl_io_monitors_config(qdev); 493} 494 495static void qxl_monitors_config_set(struct qxl_device *qdev, 496 int index, 497 unsigned x, unsigned y, 498 unsigned width, unsigned height, 499 unsigned surf_id) 500{ 501 DRM_DEBUG_KMS("%d:%dx%d+%d+%d\n", index, width, height, x, y); 502 qdev->monitors_config->heads[index].x = x; 503 qdev->monitors_config->heads[index].y = y; 504 qdev->monitors_config->heads[index].width = width; 505 qdev->monitors_config->heads[index].height = height; 506 qdev->monitors_config->heads[index].surface_id = surf_id; 507 508} 509 510static int qxl_crtc_mode_set(struct drm_crtc *crtc, 511 struct drm_display_mode *mode, 512 struct drm_display_mode *adjusted_mode, 513 int x, int y, 514 struct drm_framebuffer *old_fb) 515{ 516 struct drm_device *dev = crtc->dev; 517 struct qxl_device *qdev = dev->dev_private; 518 struct qxl_mode *m = (void *)mode->private; 519 struct qxl_framebuffer *qfb; 520 struct qxl_bo *bo, *old_bo = NULL; 521 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 522 uint32_t width, height, base_offset; 523 bool recreate_primary = false; 524 int ret; 525 int surf_id; 526 if (!crtc->fb) { 527 DRM_DEBUG_KMS("No FB bound\n"); 528 return 0; 529 } 530 531 if (old_fb) { 532 qfb = to_qxl_framebuffer(old_fb); 533 old_bo = gem_to_qxl_bo(qfb->obj); 534 } 535 qfb = to_qxl_framebuffer(crtc->fb); 536 bo = gem_to_qxl_bo(qfb->obj); 537 if (!m) 538 /* and do we care? */ 539 DRM_DEBUG("%dx%d: not a native mode\n", x, y); 540 else 541 DRM_DEBUG("%dx%d: qxl id %d\n", 542 mode->hdisplay, mode->vdisplay, m->id); 543 DRM_DEBUG("+%d+%d (%d,%d) => (%d,%d)\n", 544 x, y, 545 mode->hdisplay, mode->vdisplay, 546 adjusted_mode->hdisplay, 547 adjusted_mode->vdisplay); 548 549 if (qcrtc->index == 0) 550 recreate_primary = true; 551 552 width = mode->hdisplay; 553 height = mode->vdisplay; 554 base_offset = 0; 555 556 ret = qxl_bo_reserve(bo, false); 557 if (ret != 0) 558 return ret; 559 ret = qxl_bo_pin(bo, bo->type, NULL); 560 if (ret != 0) { 561 qxl_bo_unreserve(bo); 562 return -EINVAL; 563 } 564 qxl_bo_unreserve(bo); 565 if (recreate_primary) { 566 qxl_io_destroy_primary(qdev); 567 qxl_io_log(qdev, 568 "recreate primary: %dx%d (was %dx%d,%d,%d)\n", 569 width, height, bo->surf.width, 570 bo->surf.height, bo->surf.stride, bo->surf.format); 571 qxl_io_create_primary(qdev, base_offset, bo); 572 bo->is_primary = true; 573 surf_id = 0; 574 } else { 575 surf_id = bo->surface_id; 576 } 577 578 if (old_bo && old_bo != bo) { 579 old_bo->is_primary = false; 580 ret = qxl_bo_reserve(old_bo, false); 581 qxl_bo_unpin(old_bo); 582 qxl_bo_unreserve(old_bo); 583 } 584 585 qxl_monitors_config_set(qdev, qcrtc->index, x, y, 586 mode->hdisplay, 587 mode->vdisplay, surf_id); 588 return 0; 589} 590 591static void qxl_crtc_prepare(struct drm_crtc *crtc) 592{ 593 DRM_DEBUG("current: %dx%d+%d+%d (%d).\n", 594 crtc->mode.hdisplay, crtc->mode.vdisplay, 595 crtc->x, crtc->y, crtc->enabled); 596} 597 598static void qxl_crtc_commit(struct drm_crtc *crtc) 599{ 600 DRM_DEBUG("\n"); 601} 602 603static void qxl_crtc_disable(struct drm_crtc *crtc) 604{ 605 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 606 struct drm_device *dev = crtc->dev; 607 struct qxl_device *qdev = dev->dev_private; 608 if (crtc->fb) { 609 struct qxl_framebuffer *qfb = to_qxl_framebuffer(crtc->fb); 610 struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj); 611 int ret; 612 ret = qxl_bo_reserve(bo, false); 613 qxl_bo_unpin(bo); 614 qxl_bo_unreserve(bo); 615 crtc->fb = NULL; 616 } 617 618 qxl_monitors_config_set(qdev, qcrtc->index, 0, 0, 0, 0, 0); 619 620 qxl_send_monitors_config(qdev); 621} 622 623static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = { 624 .dpms = qxl_crtc_dpms, 625 .disable = qxl_crtc_disable, 626 .mode_fixup = qxl_crtc_mode_fixup, 627 .mode_set = qxl_crtc_mode_set, 628 .prepare = qxl_crtc_prepare, 629 .commit = qxl_crtc_commit, 630}; 631 632static int qdev_crtc_init(struct drm_device *dev, int crtc_id) 633{ 634 struct qxl_crtc *qxl_crtc; 635 636 qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL); 637 if (!qxl_crtc) 638 return -ENOMEM; 639 640 drm_crtc_init(dev, &qxl_crtc->base, &qxl_crtc_funcs); 641 qxl_crtc->index = crtc_id; 642 drm_mode_crtc_set_gamma_size(&qxl_crtc->base, 256); 643 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs); 644 return 0; 645} 646 647static void qxl_enc_dpms(struct drm_encoder *encoder, int mode) 648{ 649 DRM_DEBUG("\n"); 650} 651 652static bool qxl_enc_mode_fixup(struct drm_encoder *encoder, 653 const struct drm_display_mode *mode, 654 struct drm_display_mode *adjusted_mode) 655{ 656 DRM_DEBUG("\n"); 657 return true; 658} 659 660static void qxl_enc_prepare(struct drm_encoder *encoder) 661{ 662 DRM_DEBUG("\n"); 663} 664 665static void qxl_write_monitors_config_for_encoder(struct qxl_device *qdev, 666 struct drm_encoder *encoder) 667{ 668 int i; 669 struct qxl_output *output = drm_encoder_to_qxl_output(encoder); 670 struct qxl_head *head; 671 struct drm_display_mode *mode; 672 673 BUG_ON(!encoder); 674 /* TODO: ugly, do better */ 675 i = output->index; 676 if (!qdev->monitors_config || 677 qdev->monitors_config->max_allowed <= i) { 678 DRM_ERROR( 679 "head number too large or missing monitors config: %p, %d", 680 qdev->monitors_config, 681 qdev->monitors_config ? 682 qdev->monitors_config->max_allowed : -1); 683 return; 684 } 685 if (!encoder->crtc) { 686 DRM_ERROR("missing crtc on encoder %p\n", encoder); 687 return; 688 } 689 if (i != 0) 690 DRM_DEBUG("missing for multiple monitors: no head holes\n"); 691 head = &qdev->monitors_config->heads[i]; 692 head->id = i; 693 if (encoder->crtc->enabled) { 694 mode = &encoder->crtc->mode; 695 head->width = mode->hdisplay; 696 head->height = mode->vdisplay; 697 head->x = encoder->crtc->x; 698 head->y = encoder->crtc->y; 699 if (qdev->monitors_config->count < i + 1) 700 qdev->monitors_config->count = i + 1; 701 } else { 702 head->width = 0; 703 head->height = 0; 704 head->x = 0; 705 head->y = 0; 706 } 707 DRM_DEBUG_KMS("setting head %d to +%d+%d %dx%d out of %d\n", 708 i, head->x, head->y, head->width, head->height, qdev->monitors_config->count); 709 head->flags = 0; 710 /* TODO - somewhere else to call this for multiple monitors 711 * (config_commit?) */ 712 qxl_send_monitors_config(qdev); 713} 714 715static void qxl_enc_commit(struct drm_encoder *encoder) 716{ 717 struct qxl_device *qdev = encoder->dev->dev_private; 718 719 qxl_write_monitors_config_for_encoder(qdev, encoder); 720 DRM_DEBUG("\n"); 721} 722 723static void qxl_enc_mode_set(struct drm_encoder *encoder, 724 struct drm_display_mode *mode, 725 struct drm_display_mode *adjusted_mode) 726{ 727 DRM_DEBUG("\n"); 728} 729 730static int qxl_conn_get_modes(struct drm_connector *connector) 731{ 732 int ret = 0; 733 struct qxl_device *qdev = connector->dev->dev_private; 734 unsigned pwidth = 1024; 735 unsigned pheight = 768; 736 737 DRM_DEBUG_KMS("monitors_config=%p\n", qdev->monitors_config); 738 /* TODO: what should we do here? only show the configured modes for the 739 * device, or allow the full list, or both? */ 740 if (qdev->monitors_config && qdev->monitors_config->count) { 741 ret = qxl_add_monitors_config_modes(connector, &pwidth, &pheight); 742 if (ret < 0) 743 return ret; 744 } 745 ret += qxl_add_common_modes(connector, pwidth, pheight); 746 return ret; 747} 748 749static int qxl_conn_mode_valid(struct drm_connector *connector, 750 struct drm_display_mode *mode) 751{ 752 /* TODO: is this called for user defined modes? (xrandr --add-mode) 753 * TODO: check that the mode fits in the framebuffer */ 754 DRM_DEBUG("%s: %dx%d status=%d\n", mode->name, mode->hdisplay, 755 mode->vdisplay, mode->status); 756 return MODE_OK; 757} 758 759static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector) 760{ 761 struct qxl_output *qxl_output = 762 drm_connector_to_qxl_output(connector); 763 764 DRM_DEBUG("\n"); 765 return &qxl_output->enc; 766} 767 768 769static const struct drm_encoder_helper_funcs qxl_enc_helper_funcs = { 770 .dpms = qxl_enc_dpms, 771 .mode_fixup = qxl_enc_mode_fixup, 772 .prepare = qxl_enc_prepare, 773 .mode_set = qxl_enc_mode_set, 774 .commit = qxl_enc_commit, 775}; 776 777static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = { 778 .get_modes = qxl_conn_get_modes, 779 .mode_valid = qxl_conn_mode_valid, 780 .best_encoder = qxl_best_encoder, 781}; 782 783static void qxl_conn_save(struct drm_connector *connector) 784{ 785 DRM_DEBUG("\n"); 786} 787 788static void qxl_conn_restore(struct drm_connector *connector) 789{ 790 DRM_DEBUG("\n"); 791} 792 793static enum drm_connector_status qxl_conn_detect( 794 struct drm_connector *connector, 795 bool force) 796{ 797 struct qxl_output *output = 798 drm_connector_to_qxl_output(connector); 799 struct drm_device *ddev = connector->dev; 800 struct qxl_device *qdev = ddev->dev_private; 801 int connected; 802 803 /* The first monitor is always connected */ 804 connected = (output->index == 0) || 805 (qdev->client_monitors_config && 806 qdev->client_monitors_config->count > output->index && 807 qxl_head_enabled(&qdev->client_monitors_config->heads[output->index])); 808 809 DRM_DEBUG("\n"); 810 return connected ? connector_status_connected 811 : connector_status_disconnected; 812} 813 814static int qxl_conn_set_property(struct drm_connector *connector, 815 struct drm_property *property, 816 uint64_t value) 817{ 818 DRM_DEBUG("\n"); 819 return 0; 820} 821 822static void qxl_conn_destroy(struct drm_connector *connector) 823{ 824 struct qxl_output *qxl_output = 825 drm_connector_to_qxl_output(connector); 826 827 drm_sysfs_connector_remove(connector); 828 drm_connector_cleanup(connector); 829 kfree(qxl_output); 830} 831 832static const struct drm_connector_funcs qxl_connector_funcs = { 833 .dpms = drm_helper_connector_dpms, 834 .save = qxl_conn_save, 835 .restore = qxl_conn_restore, 836 .detect = qxl_conn_detect, 837 .fill_modes = drm_helper_probe_single_connector_modes, 838 .set_property = qxl_conn_set_property, 839 .destroy = qxl_conn_destroy, 840}; 841 842static void qxl_enc_destroy(struct drm_encoder *encoder) 843{ 844 drm_encoder_cleanup(encoder); 845} 846 847static const struct drm_encoder_funcs qxl_enc_funcs = { 848 .destroy = qxl_enc_destroy, 849}; 850 851static int qdev_output_init(struct drm_device *dev, int num_output) 852{ 853 struct qxl_output *qxl_output; 854 struct drm_connector *connector; 855 struct drm_encoder *encoder; 856 857 qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL); 858 if (!qxl_output) 859 return -ENOMEM; 860 861 qxl_output->index = num_output; 862 863 connector = &qxl_output->base; 864 encoder = &qxl_output->enc; 865 drm_connector_init(dev, &qxl_output->base, 866 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL); 867 868 drm_encoder_init(dev, &qxl_output->enc, &qxl_enc_funcs, 869 DRM_MODE_ENCODER_VIRTUAL); 870 871 /* we get HPD via client monitors config */ 872 connector->polled = DRM_CONNECTOR_POLL_HPD; 873 encoder->possible_crtcs = 1 << num_output; 874 drm_mode_connector_attach_encoder(&qxl_output->base, 875 &qxl_output->enc); 876 drm_encoder_helper_add(encoder, &qxl_enc_helper_funcs); 877 drm_connector_helper_add(connector, &qxl_connector_helper_funcs); 878 879 drm_sysfs_connector_add(connector); 880 return 0; 881} 882 883static struct drm_framebuffer * 884qxl_user_framebuffer_create(struct drm_device *dev, 885 struct drm_file *file_priv, 886 struct drm_mode_fb_cmd2 *mode_cmd) 887{ 888 struct drm_gem_object *obj; 889 struct qxl_framebuffer *qxl_fb; 890 int ret; 891 892 obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]); 893 894 qxl_fb = kzalloc(sizeof(*qxl_fb), GFP_KERNEL); 895 if (qxl_fb == NULL) 896 return NULL; 897 898 ret = qxl_framebuffer_init(dev, qxl_fb, mode_cmd, obj); 899 if (ret) { 900 kfree(qxl_fb); 901 drm_gem_object_unreference_unlocked(obj); 902 return NULL; 903 } 904 905 return &qxl_fb->base; 906} 907 908static const struct drm_mode_config_funcs qxl_mode_funcs = { 909 .fb_create = qxl_user_framebuffer_create, 910}; 911 912int qxl_create_monitors_object(struct qxl_device *qdev) 913{ 914 int ret; 915 struct drm_gem_object *gobj; 916 int max_allowed = qxl_num_crtc; 917 int monitors_config_size = sizeof(struct qxl_monitors_config) + 918 max_allowed * sizeof(struct qxl_head); 919 920 ret = qxl_gem_object_create(qdev, monitors_config_size, 0, 921 QXL_GEM_DOMAIN_VRAM, 922 false, false, NULL, &gobj); 923 if (ret) { 924 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret); 925 return -ENOMEM; 926 } 927 qdev->monitors_config_bo = gem_to_qxl_bo(gobj); 928 929 ret = qxl_bo_reserve(qdev->monitors_config_bo, false); 930 if (ret) 931 return ret; 932 933 ret = qxl_bo_pin(qdev->monitors_config_bo, QXL_GEM_DOMAIN_VRAM, NULL); 934 if (ret) { 935 qxl_bo_unreserve(qdev->monitors_config_bo); 936 return ret; 937 } 938 939 qxl_bo_unreserve(qdev->monitors_config_bo); 940 941 qxl_bo_kmap(qdev->monitors_config_bo, NULL); 942 943 qdev->monitors_config = qdev->monitors_config_bo->kptr; 944 qdev->ram_header->monitors_config = 945 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0); 946 947 memset(qdev->monitors_config, 0, monitors_config_size); 948 qdev->monitors_config->max_allowed = max_allowed; 949 return 0; 950} 951 952int qxl_destroy_monitors_object(struct qxl_device *qdev) 953{ 954 int ret; 955 956 qdev->monitors_config = NULL; 957 qdev->ram_header->monitors_config = 0; 958 959 qxl_bo_kunmap(qdev->monitors_config_bo); 960 ret = qxl_bo_reserve(qdev->monitors_config_bo, false); 961 if (ret) 962 return ret; 963 964 qxl_bo_unpin(qdev->monitors_config_bo); 965 qxl_bo_unreserve(qdev->monitors_config_bo); 966 967 qxl_bo_unref(&qdev->monitors_config_bo); 968 return 0; 969} 970 971int qxl_modeset_init(struct qxl_device *qdev) 972{ 973 int i; 974 int ret; 975 976 drm_mode_config_init(qdev->ddev); 977 978 ret = qxl_create_monitors_object(qdev); 979 if (ret) 980 return ret; 981 982 qdev->ddev->mode_config.funcs = (void *)&qxl_mode_funcs; 983 984 /* modes will be validated against the framebuffer size */ 985 qdev->ddev->mode_config.min_width = 320; 986 qdev->ddev->mode_config.min_height = 200; 987 qdev->ddev->mode_config.max_width = 8192; 988 qdev->ddev->mode_config.max_height = 8192; 989 990 qdev->ddev->mode_config.fb_base = qdev->vram_base; 991 for (i = 0 ; i < qxl_num_crtc; ++i) { 992 qdev_crtc_init(qdev->ddev, i); 993 qdev_output_init(qdev->ddev, i); 994 } 995 996 qdev->mode_info.mode_config_initialized = true; 997 998 /* primary surface must be created by this point, to allow 999 * issuing command queue commands and having them read by 1000 * spice server. */ 1001 qxl_fbdev_init(qdev); 1002 return 0; 1003} 1004 1005void qxl_modeset_fini(struct qxl_device *qdev) 1006{ 1007 qxl_fbdev_fini(qdev); 1008 1009 qxl_destroy_monitors_object(qdev); 1010 if (qdev->mode_info.mode_config_initialized) { 1011 drm_mode_config_cleanup(qdev->ddev); 1012 qdev->mode_info.mode_config_initialized = false; 1013 } 1014} 1015