1/************************************************************************** 2 * 3 * Copyright �� 2009 VMware, Inc., Palo Alto, CA., USA 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 21 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 24 * USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28#include "vmwgfx_kms.h" 29 30#define VMWGFX_LDU_NUM_DU 8 31 32#define vmw_crtc_to_ldu(x) \ 33 container_of(x, struct vmw_legacy_display_unit, base.crtc) 34#define vmw_encoder_to_ldu(x) \ 35 container_of(x, struct vmw_legacy_display_unit, base.encoder) 36#define vmw_connector_to_ldu(x) \ 37 container_of(x, struct vmw_legacy_display_unit, base.connector) 38 39struct vmw_legacy_display { 40 struct list_head active; 41 42 unsigned num_active; 43 unsigned last_num_active; 44 45 struct vmw_framebuffer *fb; 46}; 47 48/** 49 * Display unit using the legacy register interface. 50 */ 51struct vmw_legacy_display_unit { 52 struct vmw_display_unit base; 53 54 unsigned pref_width; 55 unsigned pref_height; 56 bool pref_active; 57 struct drm_display_mode *pref_mode; 58 59 struct list_head active; 60}; 61 62static void vmw_ldu_destroy(struct vmw_legacy_display_unit *ldu) 63{ 64 list_del_init(&ldu->active); 65 vmw_display_unit_cleanup(&ldu->base); 66 kfree(ldu); 67} 68 69 70/* 71 * Legacy Display Unit CRTC functions 72 */ 73 74static void vmw_ldu_crtc_save(struct drm_crtc *crtc) 75{ 76} 77 78static void vmw_ldu_crtc_restore(struct drm_crtc *crtc) 79{ 80} 81 82static void vmw_ldu_crtc_gamma_set(struct drm_crtc *crtc, 83 u16 *r, u16 *g, u16 *b, 84 uint32_t start, uint32_t size) 85{ 86} 87 88static void vmw_ldu_crtc_destroy(struct drm_crtc *crtc) 89{ 90 vmw_ldu_destroy(vmw_crtc_to_ldu(crtc)); 91} 92 93static int vmw_ldu_commit_list(struct vmw_private *dev_priv) 94{ 95 struct vmw_legacy_display *lds = dev_priv->ldu_priv; 96 struct vmw_legacy_display_unit *entry; 97 struct drm_framebuffer *fb = NULL; 98 struct drm_crtc *crtc = NULL; 99 int i = 0; 100 101 /* If there is no display topology the host just assumes 102 * that the guest will set the same layout as the host. 103 */ 104 if (!(dev_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY)) { 105 int w = 0, h = 0; 106 list_for_each_entry(entry, &lds->active, active) { 107 crtc = &entry->base.crtc; 108 w = max(w, crtc->x + crtc->mode.hdisplay); 109 h = max(h, crtc->y + crtc->mode.vdisplay); 110 i++; 111 } 112 113 if (crtc == NULL) 114 return 0; 115 fb = entry->base.crtc.fb; 116 117 vmw_kms_write_svga(dev_priv, w, h, fb->pitch, 118 fb->bits_per_pixel, fb->depth); 119 120 return 0; 121 } 122 123 if (!list_empty(&lds->active)) { 124 entry = list_entry(lds->active.next, typeof(*entry), active); 125 fb = entry->base.crtc.fb; 126 127 vmw_kms_write_svga(dev_priv, fb->width, fb->height, fb->pitch, 128 fb->bits_per_pixel, fb->depth); 129 } 130 131 /* Make sure we always show something. */ 132 vmw_write(dev_priv, SVGA_REG_NUM_GUEST_DISPLAYS, 133 lds->num_active ? lds->num_active : 1); 134 135 i = 0; 136 list_for_each_entry(entry, &lds->active, active) { 137 crtc = &entry->base.crtc; 138 139 vmw_write(dev_priv, SVGA_REG_DISPLAY_ID, i); 140 vmw_write(dev_priv, SVGA_REG_DISPLAY_IS_PRIMARY, !i); 141 vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_X, crtc->x); 142 vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_Y, crtc->y); 143 vmw_write(dev_priv, SVGA_REG_DISPLAY_WIDTH, crtc->mode.hdisplay); 144 vmw_write(dev_priv, SVGA_REG_DISPLAY_HEIGHT, crtc->mode.vdisplay); 145 vmw_write(dev_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID); 146 147 i++; 148 } 149 150 BUG_ON(i != lds->num_active); 151 152 lds->last_num_active = lds->num_active; 153 154 return 0; 155} 156 157static int vmw_ldu_del_active(struct vmw_private *vmw_priv, 158 struct vmw_legacy_display_unit *ldu) 159{ 160 struct vmw_legacy_display *ld = vmw_priv->ldu_priv; 161 if (list_empty(&ldu->active)) 162 return 0; 163 164 /* Must init otherwise list_empty(&ldu->active) will not work. */ 165 list_del_init(&ldu->active); 166 if (--(ld->num_active) == 0) { 167 BUG_ON(!ld->fb); 168 if (ld->fb->unpin) 169 ld->fb->unpin(ld->fb); 170 ld->fb = NULL; 171 } 172 173 return 0; 174} 175 176static int vmw_ldu_add_active(struct vmw_private *vmw_priv, 177 struct vmw_legacy_display_unit *ldu, 178 struct vmw_framebuffer *vfb) 179{ 180 struct vmw_legacy_display *ld = vmw_priv->ldu_priv; 181 struct vmw_legacy_display_unit *entry; 182 struct list_head *at; 183 184 BUG_ON(!ld->num_active && ld->fb); 185 if (vfb != ld->fb) { 186 if (ld->fb && ld->fb->unpin) 187 ld->fb->unpin(ld->fb); 188 if (vfb->pin) 189 vfb->pin(vfb); 190 ld->fb = vfb; 191 } 192 193 if (!list_empty(&ldu->active)) 194 return 0; 195 196 at = &ld->active; 197 list_for_each_entry(entry, &ld->active, active) { 198 if (entry->base.unit > ldu->base.unit) 199 break; 200 201 at = &entry->active; 202 } 203 204 list_add(&ldu->active, at); 205 206 ld->num_active++; 207 208 return 0; 209} 210 211static int vmw_ldu_crtc_set_config(struct drm_mode_set *set) 212{ 213 struct vmw_private *dev_priv; 214 struct vmw_legacy_display_unit *ldu; 215 struct drm_connector *connector; 216 struct drm_display_mode *mode; 217 struct drm_encoder *encoder; 218 struct vmw_framebuffer *vfb; 219 struct drm_framebuffer *fb; 220 struct drm_crtc *crtc; 221 222 if (!set) 223 return -EINVAL; 224 225 if (!set->crtc) 226 return -EINVAL; 227 228 /* get the ldu */ 229 crtc = set->crtc; 230 ldu = vmw_crtc_to_ldu(crtc); 231 vfb = set->fb ? vmw_framebuffer_to_vfb(set->fb) : NULL; 232 dev_priv = vmw_priv(crtc->dev); 233 234 if (set->num_connectors > 1) { 235 DRM_ERROR("to many connectors\n"); 236 return -EINVAL; 237 } 238 239 if (set->num_connectors == 1 && 240 set->connectors[0] != &ldu->base.connector) { 241 DRM_ERROR("connector doesn't match %p %p\n", 242 set->connectors[0], &ldu->base.connector); 243 return -EINVAL; 244 } 245 246 /* ldu only supports one fb active at the time */ 247 if (dev_priv->ldu_priv->fb && vfb && 248 !(dev_priv->ldu_priv->num_active == 1 && 249 !list_empty(&ldu->active)) && 250 dev_priv->ldu_priv->fb != vfb) { 251 DRM_ERROR("Multiple framebuffers not supported\n"); 252 return -EINVAL; 253 } 254 255 /* since they always map one to one these are safe */ 256 connector = &ldu->base.connector; 257 encoder = &ldu->base.encoder; 258 259 /* should we turn the crtc off? */ 260 if (set->num_connectors == 0 || !set->mode || !set->fb) { 261 262 connector->encoder = NULL; 263 encoder->crtc = NULL; 264 crtc->fb = NULL; 265 266 vmw_ldu_del_active(dev_priv, ldu); 267 268 vmw_ldu_commit_list(dev_priv); 269 270 return 0; 271 } 272 273 274 /* we now know we want to set a mode */ 275 mode = set->mode; 276 fb = set->fb; 277 278 if (set->x + mode->hdisplay > fb->width || 279 set->y + mode->vdisplay > fb->height) { 280 DRM_ERROR("set outside of framebuffer\n"); 281 return -EINVAL; 282 } 283 284 vmw_fb_off(dev_priv); 285 286 crtc->fb = fb; 287 encoder->crtc = crtc; 288 connector->encoder = encoder; 289 crtc->x = set->x; 290 crtc->y = set->y; 291 crtc->mode = *mode; 292 293 vmw_ldu_add_active(dev_priv, ldu, vfb); 294 295 vmw_ldu_commit_list(dev_priv); 296 297 return 0; 298} 299 300static struct drm_crtc_funcs vmw_legacy_crtc_funcs = { 301 .save = vmw_ldu_crtc_save, 302 .restore = vmw_ldu_crtc_restore, 303 .cursor_set = vmw_du_crtc_cursor_set, 304 .cursor_move = vmw_du_crtc_cursor_move, 305 .gamma_set = vmw_ldu_crtc_gamma_set, 306 .destroy = vmw_ldu_crtc_destroy, 307 .set_config = vmw_ldu_crtc_set_config, 308}; 309 310/* 311 * Legacy Display Unit encoder functions 312 */ 313 314static void vmw_ldu_encoder_destroy(struct drm_encoder *encoder) 315{ 316 vmw_ldu_destroy(vmw_encoder_to_ldu(encoder)); 317} 318 319static struct drm_encoder_funcs vmw_legacy_encoder_funcs = { 320 .destroy = vmw_ldu_encoder_destroy, 321}; 322 323/* 324 * Legacy Display Unit connector functions 325 */ 326 327static void vmw_ldu_connector_dpms(struct drm_connector *connector, int mode) 328{ 329} 330 331static void vmw_ldu_connector_save(struct drm_connector *connector) 332{ 333} 334 335static void vmw_ldu_connector_restore(struct drm_connector *connector) 336{ 337} 338 339static enum drm_connector_status 340 vmw_ldu_connector_detect(struct drm_connector *connector, 341 bool force) 342{ 343 if (vmw_connector_to_ldu(connector)->pref_active) 344 return connector_status_connected; 345 return connector_status_disconnected; 346} 347 348static struct drm_display_mode vmw_ldu_connector_builtin[] = { 349 /* 640x480@60Hz */ 350 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656, 351 752, 800, 0, 480, 489, 492, 525, 0, 352 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, 353 /* 800x600@60Hz */ 354 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840, 355 968, 1056, 0, 600, 601, 605, 628, 0, 356 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 357 /* 1024x768@60Hz */ 358 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048, 359 1184, 1344, 0, 768, 771, 777, 806, 0, 360 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, 361 /* 1152x864@75Hz */ 362 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216, 363 1344, 1600, 0, 864, 865, 868, 900, 0, 364 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 365 /* 1280x768@60Hz */ 366 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344, 367 1472, 1664, 0, 768, 771, 778, 798, 0, 368 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 369 /* 1280x800@60Hz */ 370 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352, 371 1480, 1680, 0, 800, 803, 809, 831, 0, 372 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 373 /* 1280x960@60Hz */ 374 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376, 375 1488, 1800, 0, 960, 961, 964, 1000, 0, 376 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 377 /* 1280x1024@60Hz */ 378 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328, 379 1440, 1688, 0, 1024, 1025, 1028, 1066, 0, 380 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 381 /* 1360x768@60Hz */ 382 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424, 383 1536, 1792, 0, 768, 771, 777, 795, 0, 384 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 385 /* 1440x1050@60Hz */ 386 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488, 387 1632, 1864, 0, 1050, 1053, 1057, 1089, 0, 388 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 389 /* 1440x900@60Hz */ 390 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520, 391 1672, 1904, 0, 900, 903, 909, 934, 0, 392 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 393 /* 1600x1200@60Hz */ 394 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664, 395 1856, 2160, 0, 1200, 1201, 1204, 1250, 0, 396 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 397 /* 1680x1050@60Hz */ 398 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784, 399 1960, 2240, 0, 1050, 1053, 1059, 1089, 0, 400 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 401 /* 1792x1344@60Hz */ 402 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920, 403 2120, 2448, 0, 1344, 1345, 1348, 1394, 0, 404 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 405 /* 1853x1392@60Hz */ 406 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952, 407 2176, 2528, 0, 1392, 1393, 1396, 1439, 0, 408 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 409 /* 1920x1200@60Hz */ 410 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056, 411 2256, 2592, 0, 1200, 1203, 1209, 1245, 0, 412 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 413 /* 1920x1440@60Hz */ 414 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048, 415 2256, 2600, 0, 1440, 1441, 1444, 1500, 0, 416 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 417 /* 2560x1600@60Hz */ 418 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752, 419 3032, 3504, 0, 1600, 1603, 1609, 1658, 0, 420 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 421 /* Terminate */ 422 { DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) }, 423}; 424 425static int vmw_ldu_connector_fill_modes(struct drm_connector *connector, 426 uint32_t max_width, uint32_t max_height) 427{ 428 struct vmw_legacy_display_unit *ldu = vmw_connector_to_ldu(connector); 429 struct drm_device *dev = connector->dev; 430 struct drm_display_mode *mode = NULL; 431 struct drm_display_mode prefmode = { DRM_MODE("preferred", 432 DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, 433 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 434 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) 435 }; 436 int i; 437 438 /* Add preferred mode */ 439 { 440 mode = drm_mode_duplicate(dev, &prefmode); 441 if (!mode) 442 return 0; 443 mode->hdisplay = ldu->pref_width; 444 mode->vdisplay = ldu->pref_height; 445 mode->vrefresh = drm_mode_vrefresh(mode); 446 drm_mode_probed_add(connector, mode); 447 448 if (ldu->pref_mode) { 449 list_del_init(&ldu->pref_mode->head); 450 drm_mode_destroy(dev, ldu->pref_mode); 451 } 452 453 ldu->pref_mode = mode; 454 } 455 456 for (i = 0; vmw_ldu_connector_builtin[i].type != 0; i++) { 457 if (vmw_ldu_connector_builtin[i].hdisplay > max_width || 458 vmw_ldu_connector_builtin[i].vdisplay > max_height) 459 continue; 460 461 mode = drm_mode_duplicate(dev, &vmw_ldu_connector_builtin[i]); 462 if (!mode) 463 return 0; 464 mode->vrefresh = drm_mode_vrefresh(mode); 465 466 drm_mode_probed_add(connector, mode); 467 } 468 469 drm_mode_connector_list_update(connector); 470 471 return 1; 472} 473 474static int vmw_ldu_connector_set_property(struct drm_connector *connector, 475 struct drm_property *property, 476 uint64_t val) 477{ 478 return 0; 479} 480 481static void vmw_ldu_connector_destroy(struct drm_connector *connector) 482{ 483 vmw_ldu_destroy(vmw_connector_to_ldu(connector)); 484} 485 486static struct drm_connector_funcs vmw_legacy_connector_funcs = { 487 .dpms = vmw_ldu_connector_dpms, 488 .save = vmw_ldu_connector_save, 489 .restore = vmw_ldu_connector_restore, 490 .detect = vmw_ldu_connector_detect, 491 .fill_modes = vmw_ldu_connector_fill_modes, 492 .set_property = vmw_ldu_connector_set_property, 493 .destroy = vmw_ldu_connector_destroy, 494}; 495 496static int vmw_ldu_init(struct vmw_private *dev_priv, unsigned unit) 497{ 498 struct vmw_legacy_display_unit *ldu; 499 struct drm_device *dev = dev_priv->dev; 500 struct drm_connector *connector; 501 struct drm_encoder *encoder; 502 struct drm_crtc *crtc; 503 504 ldu = kzalloc(sizeof(*ldu), GFP_KERNEL); 505 if (!ldu) 506 return -ENOMEM; 507 508 ldu->base.unit = unit; 509 crtc = &ldu->base.crtc; 510 encoder = &ldu->base.encoder; 511 connector = &ldu->base.connector; 512 513 INIT_LIST_HEAD(&ldu->active); 514 515 ldu->pref_active = (unit == 0); 516 ldu->pref_width = 800; 517 ldu->pref_height = 600; 518 ldu->pref_mode = NULL; 519 520 drm_connector_init(dev, connector, &vmw_legacy_connector_funcs, 521 DRM_MODE_CONNECTOR_LVDS); 522 connector->status = vmw_ldu_connector_detect(connector, true); 523 524 drm_encoder_init(dev, encoder, &vmw_legacy_encoder_funcs, 525 DRM_MODE_ENCODER_LVDS); 526 drm_mode_connector_attach_encoder(connector, encoder); 527 encoder->possible_crtcs = (1 << unit); 528 encoder->possible_clones = 0; 529 530 drm_crtc_init(dev, crtc, &vmw_legacy_crtc_funcs); 531 532 drm_connector_attach_property(connector, 533 dev->mode_config.dirty_info_property, 534 1); 535 536 return 0; 537} 538 539int vmw_kms_init_legacy_display_system(struct vmw_private *dev_priv) 540{ 541 struct drm_device *dev = dev_priv->dev; 542 int i; 543 int ret; 544 545 if (dev_priv->ldu_priv) { 546 DRM_INFO("ldu system already on\n"); 547 return -EINVAL; 548 } 549 550 dev_priv->ldu_priv = kmalloc(GFP_KERNEL, sizeof(*dev_priv->ldu_priv)); 551 552 if (!dev_priv->ldu_priv) 553 return -ENOMEM; 554 555 INIT_LIST_HEAD(&dev_priv->ldu_priv->active); 556 dev_priv->ldu_priv->num_active = 0; 557 dev_priv->ldu_priv->last_num_active = 0; 558 dev_priv->ldu_priv->fb = NULL; 559 560 drm_mode_create_dirty_info_property(dev_priv->dev); 561 562 if (dev_priv->capabilities & SVGA_CAP_MULTIMON) { 563 for (i = 0; i < VMWGFX_LDU_NUM_DU; ++i) 564 vmw_ldu_init(dev_priv, i); 565 ret = drm_vblank_init(dev, VMWGFX_LDU_NUM_DU); 566 } else { 567 /* for old hardware without multimon only enable one display */ 568 vmw_ldu_init(dev_priv, 0); 569 ret = drm_vblank_init(dev, 1); 570 } 571 572 return ret; 573} 574 575int vmw_kms_close_legacy_display_system(struct vmw_private *dev_priv) 576{ 577 struct drm_device *dev = dev_priv->dev; 578 579 drm_vblank_cleanup(dev); 580 if (!dev_priv->ldu_priv) 581 return -ENOSYS; 582 583 BUG_ON(!list_empty(&dev_priv->ldu_priv->active)); 584 585 kfree(dev_priv->ldu_priv); 586 587 return 0; 588} 589 590int vmw_kms_ldu_update_layout(struct vmw_private *dev_priv, unsigned num, 591 struct drm_vmw_rect *rects) 592{ 593 struct drm_device *dev = dev_priv->dev; 594 struct vmw_legacy_display_unit *ldu; 595 struct drm_connector *con; 596 int i; 597 598 mutex_lock(&dev->mode_config.mutex); 599 600 (void)i; 601 602 list_for_each_entry(con, &dev->mode_config.connector_list, head) { 603 ldu = vmw_connector_to_ldu(con); 604 if (num > ldu->base.unit) { 605 ldu->pref_width = rects[ldu->base.unit].w; 606 ldu->pref_height = rects[ldu->base.unit].h; 607 ldu->pref_active = true; 608 } else { 609 ldu->pref_width = 800; 610 ldu->pref_height = 600; 611 ldu->pref_active = false; 612 } 613 con->status = vmw_ldu_connector_detect(con, true); 614 } 615 616 mutex_unlock(&dev->mode_config.mutex); 617 618 return 0; 619} 620