1 /* 2 * Copyright 2007-8 Advanced Micro Devices, Inc. 3 * Copyright 2008 Red Hat Inc. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be included in 13 * all copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 21 * OTHER DEALINGS IN THE SOFTWARE. 22 * 23 * Authors: Dave Airlie 24 * Alex Deucher 25 */ 26 #include "drmP.h" 27 #include "drm_edid.h" 28 #include "drm_crtc_helper.h" 29 #include "drm_fb_helper.h" 30 #include "radeon_drm.h" 31 #include "radeon.h" 32 #include "atom.h" 33 34 extern void 35 radeon_combios_connected_scratch_regs(struct drm_connector *connector, 36 struct drm_encoder *encoder, 37 bool connected); 38 extern void 39 radeon_atombios_connected_scratch_regs(struct drm_connector *connector, 40 struct drm_encoder *encoder, 41 bool connected); 42 43 extern void 44 radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder, 45 struct drm_connector *drm_connector); 46 47 void radeon_connector_hotplug(struct drm_connector *connector) 48 { 49 struct drm_device *dev = connector->dev; 50 struct radeon_device *rdev = dev->dev_private; 51 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 52 53 /* bail if the connector does not have hpd pin, e.g., 54 * VGA, TV, etc. 55 */ 56 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) 57 return; 58 59 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); 60 61 /* if the connector is already off, don't turn it back on */ 62 if (connector->dpms != DRM_MODE_DPMS_ON) 63 return; 64 65 /* just deal with DP (not eDP) here. */ 66 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) { 67 int saved_dpms = connector->dpms; 68 69 /* Only turn off the display it it's physically disconnected */ 70 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) 71 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); 72 else if (radeon_dp_needs_link_train(radeon_connector)) 73 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); 74 connector->dpms = saved_dpms; 75 } 76 } 77 78 static void radeon_property_change_mode(struct drm_encoder *encoder) 79 { 80 struct drm_crtc *crtc = encoder->crtc; 81 82 if (crtc && crtc->enabled) { 83 drm_crtc_helper_set_mode(crtc, &crtc->mode, 84 crtc->x, crtc->y, crtc->fb); 85 } 86 } 87 static void 88 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status) 89 { 90 struct drm_device *dev = connector->dev; 91 struct radeon_device *rdev = dev->dev_private; 92 struct drm_encoder *best_encoder = NULL; 93 struct drm_encoder *encoder = NULL; 94 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 95 struct drm_mode_object *obj; 96 bool connected; 97 int i; 98 99 best_encoder = connector_funcs->best_encoder(connector); 100 101 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 102 if (connector->encoder_ids[i] == 0) 103 break; 104 105 obj = drm_mode_object_find(connector->dev, 106 connector->encoder_ids[i], 107 DRM_MODE_OBJECT_ENCODER); 108 if (!obj) 109 continue; 110 111 encoder = obj_to_encoder(obj); 112 113 if ((encoder == best_encoder) && (status == connector_status_connected)) 114 connected = true; 115 else 116 connected = false; 117 118 if (rdev->is_atom_bios) 119 radeon_atombios_connected_scratch_regs(connector, encoder, connected); 120 else 121 radeon_combios_connected_scratch_regs(connector, encoder, connected); 122 123 } 124 } 125 126 struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type) 127 { 128 struct drm_mode_object *obj; 129 struct drm_encoder *encoder; 130 int i; 131 132 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 133 if (connector->encoder_ids[i] == 0) 134 break; 135 136 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER); 137 if (!obj) 138 continue; 139 140 encoder = obj_to_encoder(obj); 141 if (encoder->encoder_type == encoder_type) 142 return encoder; 143 } 144 return NULL; 145 } 146 147 struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector) 148 { 149 int enc_id = connector->encoder_ids[0]; 150 struct drm_mode_object *obj; 151 struct drm_encoder *encoder; 152 153 /* pick the encoder ids */ 154 if (enc_id) { 155 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER); 156 if (!obj) 157 return NULL; 158 encoder = obj_to_encoder(obj); 159 return encoder; 160 } 161 return NULL; 162 } 163 164 /* 165 * radeon_connector_analog_encoder_conflict_solve 166 * - search for other connectors sharing this encoder 167 * if priority is true, then set them disconnected if this is connected 168 * if priority is false, set us disconnected if they are connected 169 */ 170 static enum drm_connector_status 171 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector, 172 struct drm_encoder *encoder, 173 enum drm_connector_status current_status, 174 bool priority) 175 { 176 struct drm_device *dev = connector->dev; 177 struct drm_connector *conflict; 178 struct radeon_connector *radeon_conflict; 179 int i; 180 181 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) { 182 if (conflict == connector) 183 continue; 184 185 radeon_conflict = to_radeon_connector(conflict); 186 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 187 if (conflict->encoder_ids[i] == 0) 188 break; 189 190 /* if the IDs match */ 191 if (conflict->encoder_ids[i] == encoder->base.id) { 192 if (conflict->status != connector_status_connected) 193 continue; 194 195 if (radeon_conflict->use_digital) 196 continue; 197 198 if (priority == true) { 199 DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict)); 200 DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(connector)); 201 conflict->status = connector_status_disconnected; 202 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected); 203 } else { 204 DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector)); 205 DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict)); 206 current_status = connector_status_disconnected; 207 } 208 break; 209 } 210 } 211 } 212 return current_status; 213 214 } 215 216 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder) 217 { 218 struct drm_device *dev = encoder->dev; 219 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 220 struct drm_display_mode *mode = NULL; 221 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 222 223 if (native_mode->hdisplay != 0 && 224 native_mode->vdisplay != 0 && 225 native_mode->clock != 0) { 226 mode = drm_mode_duplicate(dev, native_mode); 227 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; 228 drm_mode_set_name(mode); 229 230 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name); 231 } else if (native_mode->hdisplay != 0 && 232 native_mode->vdisplay != 0) { 233 /* mac laptops without an edid */ 234 /* Note that this is not necessarily the exact panel mode, 235 * but an approximation based on the cvt formula. For these 236 * systems we should ideally read the mode info out of the 237 * registers or add a mode table, but this works and is much 238 * simpler. 239 */ 240 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false); 241 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; 242 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name); 243 } 244 return mode; 245 } 246 247 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector) 248 { 249 struct drm_device *dev = encoder->dev; 250 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 251 struct drm_display_mode *mode = NULL; 252 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 253 int i; 254 struct mode_size { 255 int w; 256 int h; 257 } common_modes[17] = { 258 { 640, 480}, 259 { 720, 480}, 260 { 800, 600}, 261 { 848, 480}, 262 {1024, 768}, 263 {1152, 768}, 264 {1280, 720}, 265 {1280, 800}, 266 {1280, 854}, 267 {1280, 960}, 268 {1280, 1024}, 269 {1440, 900}, 270 {1400, 1050}, 271 {1680, 1050}, 272 {1600, 1200}, 273 {1920, 1080}, 274 {1920, 1200} 275 }; 276 277 for (i = 0; i < 17; i++) { 278 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) { 279 if (common_modes[i].w > 1024 || 280 common_modes[i].h > 768) 281 continue; 282 } 283 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { 284 if (common_modes[i].w > native_mode->hdisplay || 285 common_modes[i].h > native_mode->vdisplay || 286 (common_modes[i].w == native_mode->hdisplay && 287 common_modes[i].h == native_mode->vdisplay)) 288 continue; 289 } 290 if (common_modes[i].w < 320 || common_modes[i].h < 200) 291 continue; 292 293 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false); 294 drm_mode_probed_add(connector, mode); 295 } 296 } 297 298 int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property, 299 uint64_t val) 300 { 301 struct drm_device *dev = connector->dev; 302 struct radeon_device *rdev = dev->dev_private; 303 struct drm_encoder *encoder; 304 struct radeon_encoder *radeon_encoder; 305 306 if (property == rdev->mode_info.coherent_mode_property) { 307 struct radeon_encoder_atom_dig *dig; 308 bool new_coherent_mode; 309 310 /* need to find digital encoder on connector */ 311 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 312 if (!encoder) 313 return 0; 314 315 radeon_encoder = to_radeon_encoder(encoder); 316 317 if (!radeon_encoder->enc_priv) 318 return 0; 319 320 dig = radeon_encoder->enc_priv; 321 new_coherent_mode = val ? true : false; 322 if (dig->coherent_mode != new_coherent_mode) { 323 dig->coherent_mode = new_coherent_mode; 324 radeon_property_change_mode(&radeon_encoder->base); 325 } 326 } 327 328 if (property == rdev->mode_info.underscan_property) { 329 /* need to find digital encoder on connector */ 330 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 331 if (!encoder) 332 return 0; 333 334 radeon_encoder = to_radeon_encoder(encoder); 335 336 if (radeon_encoder->underscan_type != val) { 337 radeon_encoder->underscan_type = val; 338 radeon_property_change_mode(&radeon_encoder->base); 339 } 340 } 341 342 if (property == rdev->mode_info.underscan_hborder_property) { 343 /* need to find digital encoder on connector */ 344 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 345 if (!encoder) 346 return 0; 347 348 radeon_encoder = to_radeon_encoder(encoder); 349 350 if (radeon_encoder->underscan_hborder != val) { 351 radeon_encoder->underscan_hborder = val; 352 radeon_property_change_mode(&radeon_encoder->base); 353 } 354 } 355 356 if (property == rdev->mode_info.underscan_vborder_property) { 357 /* need to find digital encoder on connector */ 358 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 359 if (!encoder) 360 return 0; 361 362 radeon_encoder = to_radeon_encoder(encoder); 363 364 if (radeon_encoder->underscan_vborder != val) { 365 radeon_encoder->underscan_vborder = val; 366 radeon_property_change_mode(&radeon_encoder->base); 367 } 368 } 369 370 if (property == rdev->mode_info.tv_std_property) { 371 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC); 372 if (!encoder) { 373 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC); 374 } 375 376 if (!encoder) 377 return 0; 378 379 radeon_encoder = to_radeon_encoder(encoder); 380 if (!radeon_encoder->enc_priv) 381 return 0; 382 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) { 383 struct radeon_encoder_atom_dac *dac_int; 384 dac_int = radeon_encoder->enc_priv; 385 dac_int->tv_std = val; 386 } else { 387 struct radeon_encoder_tv_dac *dac_int; 388 dac_int = radeon_encoder->enc_priv; 389 dac_int->tv_std = val; 390 } 391 radeon_property_change_mode(&radeon_encoder->base); 392 } 393 394 if (property == rdev->mode_info.load_detect_property) { 395 struct radeon_connector *radeon_connector = 396 to_radeon_connector(connector); 397 398 if (val == 0) 399 radeon_connector->dac_load_detect = false; 400 else 401 radeon_connector->dac_load_detect = true; 402 } 403 404 if (property == rdev->mode_info.tmds_pll_property) { 405 struct radeon_encoder_int_tmds *tmds = NULL; 406 bool ret = false; 407 /* need to find digital encoder on connector */ 408 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 409 if (!encoder) 410 return 0; 411 412 radeon_encoder = to_radeon_encoder(encoder); 413 414 tmds = radeon_encoder->enc_priv; 415 if (!tmds) 416 return 0; 417 418 if (val == 0) { 419 if (rdev->is_atom_bios) 420 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds); 421 else 422 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds); 423 } 424 if (val == 1 || ret == false) { 425 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds); 426 } 427 radeon_property_change_mode(&radeon_encoder->base); 428 } 429 430 return 0; 431 } 432 433 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder, 434 struct drm_connector *connector) 435 { 436 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 437 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 438 struct drm_display_mode *t, *mode; 439 440 /* If the EDID preferred mode doesn't match the native mode, use it */ 441 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) { 442 if (mode->type & DRM_MODE_TYPE_PREFERRED) { 443 if (mode->hdisplay != native_mode->hdisplay || 444 mode->vdisplay != native_mode->vdisplay) 445 memcpy(native_mode, mode, sizeof(*mode)); 446 } 447 } 448 449 /* Try to get native mode details from EDID if necessary */ 450 if (!native_mode->clock) { 451 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) { 452 if (mode->hdisplay == native_mode->hdisplay && 453 mode->vdisplay == native_mode->vdisplay) { 454 *native_mode = *mode; 455 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V); 456 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n"); 457 break; 458 } 459 } 460 } 461 462 if (!native_mode->clock) { 463 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n"); 464 radeon_encoder->rmx_type = RMX_OFF; 465 } 466 } 467 468 static int radeon_lvds_get_modes(struct drm_connector *connector) 469 { 470 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 471 struct drm_encoder *encoder; 472 int ret = 0; 473 struct drm_display_mode *mode; 474 475 if (radeon_connector->ddc_bus) { 476 ret = radeon_ddc_get_modes(radeon_connector); 477 if (ret > 0) { 478 encoder = radeon_best_single_encoder(connector); 479 if (encoder) { 480 radeon_fixup_lvds_native_mode(encoder, connector); 481 /* add scaled modes */ 482 radeon_add_common_modes(encoder, connector); 483 } 484 return ret; 485 } 486 } 487 488 encoder = radeon_best_single_encoder(connector); 489 if (!encoder) 490 return 0; 491 492 /* we have no EDID modes */ 493 mode = radeon_fp_native_mode(encoder); 494 if (mode) { 495 ret = 1; 496 drm_mode_probed_add(connector, mode); 497 /* add the width/height from vbios tables if available */ 498 connector->display_info.width_mm = mode->width_mm; 499 connector->display_info.height_mm = mode->height_mm; 500 /* add scaled modes */ 501 radeon_add_common_modes(encoder, connector); 502 } 503 504 return ret; 505 } 506 507 static int radeon_lvds_mode_valid(struct drm_connector *connector, 508 struct drm_display_mode *mode) 509 { 510 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 511 512 if ((mode->hdisplay < 320) || (mode->vdisplay < 240)) 513 return MODE_PANEL; 514 515 if (encoder) { 516 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 517 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 518 519 /* AVIVO hardware supports downscaling modes larger than the panel 520 * to the panel size, but I'm not sure this is desirable. 521 */ 522 if ((mode->hdisplay > native_mode->hdisplay) || 523 (mode->vdisplay > native_mode->vdisplay)) 524 return MODE_PANEL; 525 526 /* if scaling is disabled, block non-native modes */ 527 if (radeon_encoder->rmx_type == RMX_OFF) { 528 if ((mode->hdisplay != native_mode->hdisplay) || 529 (mode->vdisplay != native_mode->vdisplay)) 530 return MODE_PANEL; 531 } 532 } 533 534 return MODE_OK; 535 } 536 537 static enum drm_connector_status 538 radeon_lvds_detect(struct drm_connector *connector, bool force) 539 { 540 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 541 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 542 enum drm_connector_status ret = connector_status_disconnected; 543 544 if (encoder) { 545 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 546 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 547 548 /* check if panel is valid */ 549 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240) 550 ret = connector_status_connected; 551 552 } 553 554 /* check for edid as well */ 555 if (radeon_connector->edid) 556 ret = connector_status_connected; 557 else { 558 if (radeon_connector->ddc_bus) { 559 radeon_connector->edid = drm_get_edid(&radeon_connector->base, 560 &radeon_connector->ddc_bus->adapter); 561 if (radeon_connector->edid) 562 ret = connector_status_connected; 563 } 564 } 565 /* check acpi lid status ??? */ 566 567 radeon_connector_update_scratch_regs(connector, ret); 568 return ret; 569 } 570 571 static void radeon_connector_destroy(struct drm_connector *connector) 572 { 573 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 574 575 if (radeon_connector->edid) 576 kfree(radeon_connector->edid); 577 kfree(radeon_connector->con_priv); 578 drm_sysfs_connector_remove(connector); 579 drm_connector_cleanup(connector); 580 kfree(connector); 581 } 582 583 static int radeon_lvds_set_property(struct drm_connector *connector, 584 struct drm_property *property, 585 uint64_t value) 586 { 587 struct drm_device *dev = connector->dev; 588 struct radeon_encoder *radeon_encoder; 589 enum radeon_rmx_type rmx_type; 590 591 DRM_DEBUG_KMS("\n"); 592 if (property != dev->mode_config.scaling_mode_property) 593 return 0; 594 595 if (connector->encoder) 596 radeon_encoder = to_radeon_encoder(connector->encoder); 597 else { 598 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 599 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); 600 } 601 602 switch (value) { 603 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break; 604 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break; 605 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break; 606 default: 607 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break; 608 } 609 if (radeon_encoder->rmx_type == rmx_type) 610 return 0; 611 612 radeon_encoder->rmx_type = rmx_type; 613 614 radeon_property_change_mode(&radeon_encoder->base); 615 return 0; 616 } 617 618 619 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = { 620 .get_modes = radeon_lvds_get_modes, 621 .mode_valid = radeon_lvds_mode_valid, 622 .best_encoder = radeon_best_single_encoder, 623 }; 624 625 struct drm_connector_funcs radeon_lvds_connector_funcs = { 626 .dpms = drm_helper_connector_dpms, 627 .detect = radeon_lvds_detect, 628 .fill_modes = drm_helper_probe_single_connector_modes, 629 .destroy = radeon_connector_destroy, 630 .set_property = radeon_lvds_set_property, 631 }; 632 633 static int radeon_vga_get_modes(struct drm_connector *connector) 634 { 635 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 636 int ret; 637 638 ret = radeon_ddc_get_modes(radeon_connector); 639 640 return ret; 641 } 642 643 static int radeon_vga_mode_valid(struct drm_connector *connector, 644 struct drm_display_mode *mode) 645 { 646 struct drm_device *dev = connector->dev; 647 struct radeon_device *rdev = dev->dev_private; 648 649 /* XXX check mode bandwidth */ 650 651 if ((mode->clock / 10) > rdev->clock.max_pixel_clock) 652 return MODE_CLOCK_HIGH; 653 654 return MODE_OK; 655 } 656 657 static enum drm_connector_status 658 radeon_vga_detect(struct drm_connector *connector, bool force) 659 { 660 struct drm_device *dev = connector->dev; 661 struct radeon_device *rdev = dev->dev_private; 662 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 663 struct drm_encoder *encoder; 664 struct drm_encoder_helper_funcs *encoder_funcs; 665 bool dret = false; 666 enum drm_connector_status ret = connector_status_disconnected; 667 668 encoder = radeon_best_single_encoder(connector); 669 if (!encoder) 670 ret = connector_status_disconnected; 671 672 if (radeon_connector->ddc_bus) 673 dret = radeon_ddc_probe(radeon_connector); 674 if (dret) { 675 radeon_connector->detected_by_load = false; 676 if (radeon_connector->edid) { 677 kfree(radeon_connector->edid); 678 radeon_connector->edid = NULL; 679 } 680 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter); 681 682 if (!radeon_connector->edid) { 683 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n", 684 drm_get_connector_name(connector)); 685 ret = connector_status_connected; 686 } else { 687 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL); 688 689 /* some oems have boards with separate digital and analog connectors 690 * with a shared ddc line (often vga + hdmi) 691 */ 692 if (radeon_connector->use_digital && radeon_connector->shared_ddc) { 693 kfree(radeon_connector->edid); 694 radeon_connector->edid = NULL; 695 ret = connector_status_disconnected; 696 } else 697 ret = connector_status_connected; 698 } 699 } else { 700 701 /* if we aren't forcing don't do destructive polling */ 702 if (!force) { 703 /* only return the previous status if we last 704 * detected a monitor via load. 705 */ 706 if (radeon_connector->detected_by_load) 707 return connector->status; 708 else 709 return ret; 710 } 711 712 if (radeon_connector->dac_load_detect && encoder) { 713 encoder_funcs = encoder->helper_private; 714 ret = encoder_funcs->detect(encoder, connector); 715 if (ret != connector_status_disconnected) 716 radeon_connector->detected_by_load = true; 717 } 718 } 719 720 if (ret == connector_status_connected) 721 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true); 722 723 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the 724 * vbios to deal with KVMs. If we have one and are not able to detect a monitor 725 * by other means, assume the CRT is connected and use that EDID. 726 */ 727 if ((!rdev->is_atom_bios) && 728 (ret == connector_status_disconnected) && 729 rdev->mode_info.bios_hardcoded_edid_size) { 730 ret = connector_status_connected; 731 } 732 733 radeon_connector_update_scratch_regs(connector, ret); 734 return ret; 735 } 736 737 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = { 738 .get_modes = radeon_vga_get_modes, 739 .mode_valid = radeon_vga_mode_valid, 740 .best_encoder = radeon_best_single_encoder, 741 }; 742 743 struct drm_connector_funcs radeon_vga_connector_funcs = { 744 .dpms = drm_helper_connector_dpms, 745 .detect = radeon_vga_detect, 746 .fill_modes = drm_helper_probe_single_connector_modes, 747 .destroy = radeon_connector_destroy, 748 .set_property = radeon_connector_set_property, 749 }; 750 751 static int radeon_tv_get_modes(struct drm_connector *connector) 752 { 753 struct drm_device *dev = connector->dev; 754 struct radeon_device *rdev = dev->dev_private; 755 struct drm_display_mode *tv_mode; 756 struct drm_encoder *encoder; 757 758 encoder = radeon_best_single_encoder(connector); 759 if (!encoder) 760 return 0; 761 762 /* avivo chips can scale any mode */ 763 if (rdev->family >= CHIP_RS600) 764 /* add scaled modes */ 765 radeon_add_common_modes(encoder, connector); 766 else { 767 /* only 800x600 is supported right now on pre-avivo chips */ 768 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false); 769 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; 770 drm_mode_probed_add(connector, tv_mode); 771 } 772 return 1; 773 } 774 775 static int radeon_tv_mode_valid(struct drm_connector *connector, 776 struct drm_display_mode *mode) 777 { 778 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768)) 779 return MODE_CLOCK_RANGE; 780 return MODE_OK; 781 } 782 783 static enum drm_connector_status 784 radeon_tv_detect(struct drm_connector *connector, bool force) 785 { 786 struct drm_encoder *encoder; 787 struct drm_encoder_helper_funcs *encoder_funcs; 788 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 789 enum drm_connector_status ret = connector_status_disconnected; 790 791 if (!radeon_connector->dac_load_detect) 792 return ret; 793 794 encoder = radeon_best_single_encoder(connector); 795 if (!encoder) 796 ret = connector_status_disconnected; 797 else { 798 encoder_funcs = encoder->helper_private; 799 ret = encoder_funcs->detect(encoder, connector); 800 } 801 if (ret == connector_status_connected) 802 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false); 803 radeon_connector_update_scratch_regs(connector, ret); 804 return ret; 805 } 806 807 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = { 808 .get_modes = radeon_tv_get_modes, 809 .mode_valid = radeon_tv_mode_valid, 810 .best_encoder = radeon_best_single_encoder, 811 }; 812 813 struct drm_connector_funcs radeon_tv_connector_funcs = { 814 .dpms = drm_helper_connector_dpms, 815 .detect = radeon_tv_detect, 816 .fill_modes = drm_helper_probe_single_connector_modes, 817 .destroy = radeon_connector_destroy, 818 .set_property = radeon_connector_set_property, 819 }; 820 821 static int radeon_dvi_get_modes(struct drm_connector *connector) 822 { 823 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 824 int ret; 825 826 ret = radeon_ddc_get_modes(radeon_connector); 827 return ret; 828 } 829 830 /* 831 * DVI is complicated 832 * Do a DDC probe, if DDC probe passes, get the full EDID so 833 * we can do analog/digital monitor detection at this point. 834 * If the monitor is an analog monitor or we got no DDC, 835 * we need to find the DAC encoder object for this connector. 836 * If we got no DDC, we do load detection on the DAC encoder object. 837 * If we got analog DDC or load detection passes on the DAC encoder 838 * we have to check if this analog encoder is shared with anyone else (TV) 839 * if its shared we have to set the other connector to disconnected. 840 */ 841 static enum drm_connector_status 842 radeon_dvi_detect(struct drm_connector *connector, bool force) 843 { 844 struct drm_device *dev = connector->dev; 845 struct radeon_device *rdev = dev->dev_private; 846 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 847 struct drm_encoder *encoder = NULL; 848 struct drm_encoder_helper_funcs *encoder_funcs; 849 struct drm_mode_object *obj; 850 int i; 851 enum drm_connector_status ret = connector_status_disconnected; 852 bool dret = false; 853 854 if (radeon_connector->ddc_bus) 855 dret = radeon_ddc_probe(radeon_connector); 856 if (dret) { 857 radeon_connector->detected_by_load = false; 858 if (radeon_connector->edid) { 859 kfree(radeon_connector->edid); 860 radeon_connector->edid = NULL; 861 } 862 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter); 863 864 if (!radeon_connector->edid) { 865 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n", 866 drm_get_connector_name(connector)); 867 /* rs690 seems to have a problem with connectors not existing and always 868 * return a block of 0's. If we see this just stop polling on this output */ 869 if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && radeon_connector->base.null_edid_counter) { 870 ret = connector_status_disconnected; 871 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector)); 872 radeon_connector->ddc_bus = NULL; 873 } 874 } else { 875 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL); 876 877 /* some oems have boards with separate digital and analog connectors 878 * with a shared ddc line (often vga + hdmi) 879 */ 880 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) { 881 kfree(radeon_connector->edid); 882 radeon_connector->edid = NULL; 883 ret = connector_status_disconnected; 884 } else 885 ret = connector_status_connected; 886 887 /* This gets complicated. We have boards with VGA + HDMI with a 888 * shared DDC line and we have boards with DVI-D + HDMI with a shared 889 * DDC line. The latter is more complex because with DVI<->HDMI adapters 890 * you don't really know what's connected to which port as both are digital. 891 */ 892 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) { 893 struct drm_connector *list_connector; 894 struct radeon_connector *list_radeon_connector; 895 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) { 896 if (connector == list_connector) 897 continue; 898 list_radeon_connector = to_radeon_connector(list_connector); 899 if (list_radeon_connector->shared_ddc && 900 (list_radeon_connector->ddc_bus->rec.i2c_id == 901 radeon_connector->ddc_bus->rec.i2c_id)) { 902 /* cases where both connectors are digital */ 903 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) { 904 /* hpd is our only option in this case */ 905 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { 906 kfree(radeon_connector->edid); 907 radeon_connector->edid = NULL; 908 ret = connector_status_disconnected; 909 } 910 } 911 } 912 } 913 } 914 } 915 } 916 917 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true)) 918 goto out; 919 920 /* DVI-D and HDMI-A are digital only */ 921 if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) || 922 (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA)) 923 goto out; 924 925 /* if we aren't forcing don't do destructive polling */ 926 if (!force) { 927 /* only return the previous status if we last 928 * detected a monitor via load. 929 */ 930 if (radeon_connector->detected_by_load) 931 ret = connector->status; 932 goto out; 933 } 934 935 /* find analog encoder */ 936 if (radeon_connector->dac_load_detect) { 937 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 938 if (connector->encoder_ids[i] == 0) 939 break; 940 941 obj = drm_mode_object_find(connector->dev, 942 connector->encoder_ids[i], 943 DRM_MODE_OBJECT_ENCODER); 944 if (!obj) 945 continue; 946 947 encoder = obj_to_encoder(obj); 948 949 encoder_funcs = encoder->helper_private; 950 if (encoder_funcs->detect) { 951 if (ret != connector_status_connected) { 952 ret = encoder_funcs->detect(encoder, connector); 953 if (ret == connector_status_connected) { 954 radeon_connector->use_digital = false; 955 } 956 if (ret != connector_status_disconnected) 957 radeon_connector->detected_by_load = true; 958 } 959 break; 960 } 961 } 962 } 963 964 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) && 965 encoder) { 966 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true); 967 } 968 969 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the 970 * vbios to deal with KVMs. If we have one and are not able to detect a monitor 971 * by other means, assume the DFP is connected and use that EDID. In most 972 * cases the DVI port is actually a virtual KVM port connected to the service 973 * processor. 974 */ 975 if ((!rdev->is_atom_bios) && 976 (ret == connector_status_disconnected) && 977 rdev->mode_info.bios_hardcoded_edid_size) { 978 radeon_connector->use_digital = true; 979 ret = connector_status_connected; 980 } 981 982 out: 983 /* updated in get modes as well since we need to know if it's analog or digital */ 984 radeon_connector_update_scratch_regs(connector, ret); 985 return ret; 986 } 987 988 /* okay need to be smart in here about which encoder to pick */ 989 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector) 990 { 991 int enc_id = connector->encoder_ids[0]; 992 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 993 struct drm_mode_object *obj; 994 struct drm_encoder *encoder; 995 int i; 996 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 997 if (connector->encoder_ids[i] == 0) 998 break; 999 1000 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER); 1001 if (!obj) 1002 continue; 1003 1004 encoder = obj_to_encoder(obj); 1005 1006 if (radeon_connector->use_digital == true) { 1007 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS) 1008 return encoder; 1009 } else { 1010 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC || 1011 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC) 1012 return encoder; 1013 } 1014 } 1015 1016 /* see if we have a default encoder TODO */ 1017 1018 /* then check use digitial */ 1019 /* pick the first one */ 1020 if (enc_id) { 1021 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER); 1022 if (!obj) 1023 return NULL; 1024 encoder = obj_to_encoder(obj); 1025 return encoder; 1026 } 1027 return NULL; 1028 } 1029 1030 static void radeon_dvi_force(struct drm_connector *connector) 1031 { 1032 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1033 if (connector->force == DRM_FORCE_ON) 1034 radeon_connector->use_digital = false; 1035 if (connector->force == DRM_FORCE_ON_DIGITAL) 1036 radeon_connector->use_digital = true; 1037 } 1038 1039 static int radeon_dvi_mode_valid(struct drm_connector *connector, 1040 struct drm_display_mode *mode) 1041 { 1042 struct drm_device *dev = connector->dev; 1043 struct radeon_device *rdev = dev->dev_private; 1044 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1045 1046 /* XXX check mode bandwidth */ 1047 1048 /* clocks over 135 MHz have heat issues with DVI on RV100 */ 1049 if (radeon_connector->use_digital && 1050 (rdev->family == CHIP_RV100) && 1051 (mode->clock > 135000)) 1052 return MODE_CLOCK_HIGH; 1053 1054 if (radeon_connector->use_digital && (mode->clock > 165000)) { 1055 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) || 1056 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) || 1057 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B)) 1058 return MODE_OK; 1059 else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) { 1060 if (ASIC_IS_DCE3(rdev)) { 1061 /* HDMI 1.3+ supports max clock of 340 Mhz */ 1062 if (mode->clock > 340000) 1063 return MODE_CLOCK_HIGH; 1064 else 1065 return MODE_OK; 1066 } else 1067 return MODE_CLOCK_HIGH; 1068 } else 1069 return MODE_CLOCK_HIGH; 1070 } 1071 1072 /* check against the max pixel clock */ 1073 if ((mode->clock / 10) > rdev->clock.max_pixel_clock) 1074 return MODE_CLOCK_HIGH; 1075 1076 return MODE_OK; 1077 } 1078 1079 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = { 1080 .get_modes = radeon_dvi_get_modes, 1081 .mode_valid = radeon_dvi_mode_valid, 1082 .best_encoder = radeon_dvi_encoder, 1083 }; 1084 1085 struct drm_connector_funcs radeon_dvi_connector_funcs = { 1086 .dpms = drm_helper_connector_dpms, 1087 .detect = radeon_dvi_detect, 1088 .fill_modes = drm_helper_probe_single_connector_modes, 1089 .set_property = radeon_connector_set_property, 1090 .destroy = radeon_connector_destroy, 1091 .force = radeon_dvi_force, 1092 }; 1093 1094 static void radeon_dp_connector_destroy(struct drm_connector *connector) 1095 { 1096 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1097 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1098 1099 if (radeon_connector->edid) 1100 kfree(radeon_connector->edid); 1101 if (radeon_dig_connector->dp_i2c_bus) 1102 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus); 1103 kfree(radeon_connector->con_priv); 1104 drm_sysfs_connector_remove(connector); 1105 drm_connector_cleanup(connector); 1106 kfree(connector); 1107 } 1108 1109 static int radeon_dp_get_modes(struct drm_connector *connector) 1110 { 1111 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1112 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1113 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1114 int ret; 1115 1116 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1117 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1118 struct drm_display_mode *mode; 1119 1120 if (!radeon_dig_connector->edp_on) 1121 atombios_set_edp_panel_power(connector, 1122 ATOM_TRANSMITTER_ACTION_POWER_ON); 1123 ret = radeon_ddc_get_modes(radeon_connector); 1124 if (!radeon_dig_connector->edp_on) 1125 atombios_set_edp_panel_power(connector, 1126 ATOM_TRANSMITTER_ACTION_POWER_OFF); 1127 1128 if (ret > 0) { 1129 if (encoder) { 1130 radeon_fixup_lvds_native_mode(encoder, connector); 1131 /* add scaled modes */ 1132 radeon_add_common_modes(encoder, connector); 1133 } 1134 return ret; 1135 } 1136 1137 encoder = radeon_best_single_encoder(connector); 1138 if (!encoder) 1139 return 0; 1140 1141 /* we have no EDID modes */ 1142 mode = radeon_fp_native_mode(encoder); 1143 if (mode) { 1144 ret = 1; 1145 drm_mode_probed_add(connector, mode); 1146 /* add the width/height from vbios tables if available */ 1147 connector->display_info.width_mm = mode->width_mm; 1148 connector->display_info.height_mm = mode->height_mm; 1149 /* add scaled modes */ 1150 radeon_add_common_modes(encoder, connector); 1151 } 1152 } else { 1153 /* need to setup ddc on the bridge */ 1154 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1155 ENCODER_OBJECT_ID_NONE) { 1156 if (encoder) 1157 radeon_atom_ext_encoder_setup_ddc(encoder); 1158 } 1159 ret = radeon_ddc_get_modes(radeon_connector); 1160 } 1161 1162 return ret; 1163 } 1164 1165 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector) 1166 { 1167 struct drm_mode_object *obj; 1168 struct drm_encoder *encoder; 1169 struct radeon_encoder *radeon_encoder; 1170 int i; 1171 1172 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1173 if (connector->encoder_ids[i] == 0) 1174 break; 1175 1176 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER); 1177 if (!obj) 1178 continue; 1179 1180 encoder = obj_to_encoder(obj); 1181 radeon_encoder = to_radeon_encoder(encoder); 1182 1183 switch (radeon_encoder->encoder_id) { 1184 case ENCODER_OBJECT_ID_TRAVIS: 1185 case ENCODER_OBJECT_ID_NUTMEG: 1186 return radeon_encoder->encoder_id; 1187 default: 1188 break; 1189 } 1190 } 1191 1192 return ENCODER_OBJECT_ID_NONE; 1193 } 1194 1195 bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector) 1196 { 1197 struct drm_mode_object *obj; 1198 struct drm_encoder *encoder; 1199 struct radeon_encoder *radeon_encoder; 1200 int i; 1201 bool found = false; 1202 1203 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1204 if (connector->encoder_ids[i] == 0) 1205 break; 1206 1207 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER); 1208 if (!obj) 1209 continue; 1210 1211 encoder = obj_to_encoder(obj); 1212 radeon_encoder = to_radeon_encoder(encoder); 1213 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2) 1214 found = true; 1215 } 1216 1217 return found; 1218 } 1219 1220 bool radeon_connector_is_dp12_capable(struct drm_connector *connector) 1221 { 1222 struct drm_device *dev = connector->dev; 1223 struct radeon_device *rdev = dev->dev_private; 1224 1225 if (ASIC_IS_DCE5(rdev) && 1226 (rdev->clock.dp_extclk >= 53900) && 1227 radeon_connector_encoder_is_hbr2(connector)) { 1228 return true; 1229 } 1230 1231 return false; 1232 } 1233 1234 static enum drm_connector_status 1235 radeon_dp_detect(struct drm_connector *connector, bool force) 1236 { 1237 struct drm_device *dev = connector->dev; 1238 struct radeon_device *rdev = dev->dev_private; 1239 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1240 enum drm_connector_status ret = connector_status_disconnected; 1241 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1242 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1243 1244 if (radeon_connector->edid) { 1245 kfree(radeon_connector->edid); 1246 radeon_connector->edid = NULL; 1247 } 1248 1249 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1250 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1251 if (encoder) { 1252 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 1253 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 1254 1255 /* check if panel is valid */ 1256 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240) 1257 ret = connector_status_connected; 1258 } 1259 /* eDP is always DP */ 1260 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; 1261 if (!radeon_dig_connector->edp_on) 1262 atombios_set_edp_panel_power(connector, 1263 ATOM_TRANSMITTER_ACTION_POWER_ON); 1264 if (radeon_dp_getdpcd(radeon_connector)) 1265 ret = connector_status_connected; 1266 if (!radeon_dig_connector->edp_on) 1267 atombios_set_edp_panel_power(connector, 1268 ATOM_TRANSMITTER_ACTION_POWER_OFF); 1269 } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1270 ENCODER_OBJECT_ID_NONE) { 1271 /* DP bridges are always DP */ 1272 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; 1273 /* get the DPCD from the bridge */ 1274 radeon_dp_getdpcd(radeon_connector); 1275 1276 if (encoder) { 1277 /* setup ddc on the bridge */ 1278 radeon_atom_ext_encoder_setup_ddc(encoder); 1279 if (radeon_ddc_probe(radeon_connector)) /* try DDC */ 1280 ret = connector_status_connected; 1281 else if (radeon_connector->dac_load_detect) { /* try load detection */ 1282 struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private; 1283 ret = encoder_funcs->detect(encoder, connector); 1284 } 1285 } 1286 } else { 1287 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector); 1288 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { 1289 ret = connector_status_connected; 1290 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) 1291 radeon_dp_getdpcd(radeon_connector); 1292 } else { 1293 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) { 1294 if (radeon_dp_getdpcd(radeon_connector)) 1295 ret = connector_status_connected; 1296 } else { 1297 if (radeon_ddc_probe(radeon_connector)) 1298 ret = connector_status_connected; 1299 } 1300 } 1301 } 1302 1303 radeon_connector_update_scratch_regs(connector, ret); 1304 return ret; 1305 } 1306 1307 static int radeon_dp_mode_valid(struct drm_connector *connector, 1308 struct drm_display_mode *mode) 1309 { 1310 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1311 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1312 1313 /* XXX check mode bandwidth */ 1314 1315 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1316 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1317 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1318 1319 if ((mode->hdisplay < 320) || (mode->vdisplay < 240)) 1320 return MODE_PANEL; 1321 1322 if (encoder) { 1323 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 1324 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 1325 1326 /* AVIVO hardware supports downscaling modes larger than the panel 1327 * to the panel size, but I'm not sure this is desirable. 1328 */ 1329 if ((mode->hdisplay > native_mode->hdisplay) || 1330 (mode->vdisplay > native_mode->vdisplay)) 1331 return MODE_PANEL; 1332 1333 /* if scaling is disabled, block non-native modes */ 1334 if (radeon_encoder->rmx_type == RMX_OFF) { 1335 if ((mode->hdisplay != native_mode->hdisplay) || 1336 (mode->vdisplay != native_mode->vdisplay)) 1337 return MODE_PANEL; 1338 } 1339 } 1340 return MODE_OK; 1341 } else { 1342 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 1343 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) 1344 return radeon_dp_mode_valid_helper(connector, mode); 1345 else 1346 return MODE_OK; 1347 } 1348 } 1349 1350 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = { 1351 .get_modes = radeon_dp_get_modes, 1352 .mode_valid = radeon_dp_mode_valid, 1353 .best_encoder = radeon_dvi_encoder, 1354 }; 1355 1356 struct drm_connector_funcs radeon_dp_connector_funcs = { 1357 .dpms = drm_helper_connector_dpms, 1358 .detect = radeon_dp_detect, 1359 .fill_modes = drm_helper_probe_single_connector_modes, 1360 .set_property = radeon_connector_set_property, 1361 .destroy = radeon_dp_connector_destroy, 1362 .force = radeon_dvi_force, 1363 }; 1364 1365 void 1366 radeon_add_atom_connector(struct drm_device *dev, 1367 uint32_t connector_id, 1368 uint32_t supported_device, 1369 int connector_type, 1370 struct radeon_i2c_bus_rec *i2c_bus, 1371 uint32_t igp_lane_info, 1372 uint16_t connector_object_id, 1373 struct radeon_hpd *hpd, 1374 struct radeon_router *router) 1375 { 1376 struct radeon_device *rdev = dev->dev_private; 1377 struct drm_connector *connector; 1378 struct radeon_connector *radeon_connector; 1379 struct radeon_connector_atom_dig *radeon_dig_connector; 1380 struct drm_encoder *encoder; 1381 struct radeon_encoder *radeon_encoder; 1382 uint32_t subpixel_order = SubPixelNone; 1383 bool shared_ddc = false; 1384 bool is_dp_bridge = false; 1385 1386 if (connector_type == DRM_MODE_CONNECTOR_Unknown) 1387 return; 1388 1389 /* if the user selected tv=0 don't try and add the connector */ 1390 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) || 1391 (connector_type == DRM_MODE_CONNECTOR_Composite) || 1392 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) && 1393 (radeon_tv == 0)) 1394 return; 1395 1396 /* see if we already added it */ 1397 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 1398 radeon_connector = to_radeon_connector(connector); 1399 if (radeon_connector->connector_id == connector_id) { 1400 radeon_connector->devices |= supported_device; 1401 return; 1402 } 1403 if (radeon_connector->ddc_bus && i2c_bus->valid) { 1404 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) { 1405 radeon_connector->shared_ddc = true; 1406 shared_ddc = true; 1407 } 1408 if (radeon_connector->router_bus && router->ddc_valid && 1409 (radeon_connector->router.router_id == router->router_id)) { 1410 radeon_connector->shared_ddc = false; 1411 shared_ddc = false; 1412 } 1413 } 1414 } 1415 1416 /* check if it's a dp bridge */ 1417 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 1418 radeon_encoder = to_radeon_encoder(encoder); 1419 if (radeon_encoder->devices & supported_device) { 1420 switch (radeon_encoder->encoder_id) { 1421 case ENCODER_OBJECT_ID_TRAVIS: 1422 case ENCODER_OBJECT_ID_NUTMEG: 1423 is_dp_bridge = true; 1424 break; 1425 default: 1426 break; 1427 } 1428 } 1429 } 1430 1431 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL); 1432 if (!radeon_connector) 1433 return; 1434 1435 connector = &radeon_connector->base; 1436 1437 radeon_connector->connector_id = connector_id; 1438 radeon_connector->devices = supported_device; 1439 radeon_connector->shared_ddc = shared_ddc; 1440 radeon_connector->connector_object_id = connector_object_id; 1441 radeon_connector->hpd = *hpd; 1442 1443 radeon_connector->router = *router; 1444 if (router->ddc_valid || router->cd_valid) { 1445 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info); 1446 if (!radeon_connector->router_bus) 1447 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n"); 1448 } 1449 1450 if (is_dp_bridge) { 1451 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1452 if (!radeon_dig_connector) 1453 goto failed; 1454 radeon_dig_connector->igp_lane_info = igp_lane_info; 1455 radeon_connector->con_priv = radeon_dig_connector; 1456 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type); 1457 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); 1458 if (i2c_bus->valid) { 1459 /* add DP i2c bus */ 1460 if (connector_type == DRM_MODE_CONNECTOR_eDP) 1461 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch"); 1462 else 1463 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch"); 1464 if (!radeon_dig_connector->dp_i2c_bus) 1465 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n"); 1466 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1467 if (!radeon_connector->ddc_bus) 1468 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1469 } 1470 switch (connector_type) { 1471 case DRM_MODE_CONNECTOR_VGA: 1472 case DRM_MODE_CONNECTOR_DVIA: 1473 default: 1474 connector->interlace_allowed = true; 1475 connector->doublescan_allowed = true; 1476 radeon_connector->dac_load_detect = true; 1477 drm_connector_attach_property(&radeon_connector->base, 1478 rdev->mode_info.load_detect_property, 1479 1); 1480 break; 1481 case DRM_MODE_CONNECTOR_DVII: 1482 case DRM_MODE_CONNECTOR_DVID: 1483 case DRM_MODE_CONNECTOR_HDMIA: 1484 case DRM_MODE_CONNECTOR_HDMIB: 1485 case DRM_MODE_CONNECTOR_DisplayPort: 1486 drm_connector_attach_property(&radeon_connector->base, 1487 rdev->mode_info.underscan_property, 1488 UNDERSCAN_OFF); 1489 drm_connector_attach_property(&radeon_connector->base, 1490 rdev->mode_info.underscan_hborder_property, 1491 0); 1492 drm_connector_attach_property(&radeon_connector->base, 1493 rdev->mode_info.underscan_vborder_property, 1494 0); 1495 subpixel_order = SubPixelHorizontalRGB; 1496 connector->interlace_allowed = true; 1497 if (connector_type == DRM_MODE_CONNECTOR_HDMIB) 1498 connector->doublescan_allowed = true; 1499 else 1500 connector->doublescan_allowed = false; 1501 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 1502 radeon_connector->dac_load_detect = true; 1503 drm_connector_attach_property(&radeon_connector->base, 1504 rdev->mode_info.load_detect_property, 1505 1); 1506 } 1507 break; 1508 case DRM_MODE_CONNECTOR_LVDS: 1509 case DRM_MODE_CONNECTOR_eDP: 1510 drm_connector_attach_property(&radeon_connector->base, 1511 dev->mode_config.scaling_mode_property, 1512 DRM_MODE_SCALE_FULLSCREEN); 1513 subpixel_order = SubPixelHorizontalRGB; 1514 connector->interlace_allowed = false; 1515 connector->doublescan_allowed = false; 1516 break; 1517 } 1518 } else { 1519 switch (connector_type) { 1520 case DRM_MODE_CONNECTOR_VGA: 1521 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 1522 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 1523 if (i2c_bus->valid) { 1524 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1525 if (!radeon_connector->ddc_bus) 1526 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1527 } 1528 radeon_connector->dac_load_detect = true; 1529 drm_connector_attach_property(&radeon_connector->base, 1530 rdev->mode_info.load_detect_property, 1531 1); 1532 /* no HPD on analog connectors */ 1533 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 1534 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1535 connector->interlace_allowed = true; 1536 connector->doublescan_allowed = true; 1537 break; 1538 case DRM_MODE_CONNECTOR_DVIA: 1539 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 1540 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 1541 if (i2c_bus->valid) { 1542 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1543 if (!radeon_connector->ddc_bus) 1544 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1545 } 1546 radeon_connector->dac_load_detect = true; 1547 drm_connector_attach_property(&radeon_connector->base, 1548 rdev->mode_info.load_detect_property, 1549 1); 1550 /* no HPD on analog connectors */ 1551 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 1552 connector->interlace_allowed = true; 1553 connector->doublescan_allowed = true; 1554 break; 1555 case DRM_MODE_CONNECTOR_DVII: 1556 case DRM_MODE_CONNECTOR_DVID: 1557 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1558 if (!radeon_dig_connector) 1559 goto failed; 1560 radeon_dig_connector->igp_lane_info = igp_lane_info; 1561 radeon_connector->con_priv = radeon_dig_connector; 1562 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); 1563 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 1564 if (i2c_bus->valid) { 1565 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1566 if (!radeon_connector->ddc_bus) 1567 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1568 } 1569 subpixel_order = SubPixelHorizontalRGB; 1570 drm_connector_attach_property(&radeon_connector->base, 1571 rdev->mode_info.coherent_mode_property, 1572 1); 1573 if (ASIC_IS_AVIVO(rdev)) { 1574 drm_connector_attach_property(&radeon_connector->base, 1575 rdev->mode_info.underscan_property, 1576 UNDERSCAN_OFF); 1577 drm_connector_attach_property(&radeon_connector->base, 1578 rdev->mode_info.underscan_hborder_property, 1579 0); 1580 drm_connector_attach_property(&radeon_connector->base, 1581 rdev->mode_info.underscan_vborder_property, 1582 0); 1583 } 1584 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 1585 radeon_connector->dac_load_detect = true; 1586 drm_connector_attach_property(&radeon_connector->base, 1587 rdev->mode_info.load_detect_property, 1588 1); 1589 } 1590 connector->interlace_allowed = true; 1591 if (connector_type == DRM_MODE_CONNECTOR_DVII) 1592 connector->doublescan_allowed = true; 1593 else 1594 connector->doublescan_allowed = false; 1595 break; 1596 case DRM_MODE_CONNECTOR_HDMIA: 1597 case DRM_MODE_CONNECTOR_HDMIB: 1598 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1599 if (!radeon_dig_connector) 1600 goto failed; 1601 radeon_dig_connector->igp_lane_info = igp_lane_info; 1602 radeon_connector->con_priv = radeon_dig_connector; 1603 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); 1604 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 1605 if (i2c_bus->valid) { 1606 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1607 if (!radeon_connector->ddc_bus) 1608 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1609 } 1610 drm_connector_attach_property(&radeon_connector->base, 1611 rdev->mode_info.coherent_mode_property, 1612 1); 1613 if (ASIC_IS_AVIVO(rdev)) { 1614 drm_connector_attach_property(&radeon_connector->base, 1615 rdev->mode_info.underscan_property, 1616 UNDERSCAN_OFF); 1617 drm_connector_attach_property(&radeon_connector->base, 1618 rdev->mode_info.underscan_hborder_property, 1619 0); 1620 drm_connector_attach_property(&radeon_connector->base, 1621 rdev->mode_info.underscan_vborder_property, 1622 0); 1623 } 1624 subpixel_order = SubPixelHorizontalRGB; 1625 connector->interlace_allowed = true; 1626 if (connector_type == DRM_MODE_CONNECTOR_HDMIB) 1627 connector->doublescan_allowed = true; 1628 else 1629 connector->doublescan_allowed = false; 1630 break; 1631 case DRM_MODE_CONNECTOR_DisplayPort: 1632 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1633 if (!radeon_dig_connector) 1634 goto failed; 1635 radeon_dig_connector->igp_lane_info = igp_lane_info; 1636 radeon_connector->con_priv = radeon_dig_connector; 1637 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type); 1638 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); 1639 if (i2c_bus->valid) { 1640 /* add DP i2c bus */ 1641 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch"); 1642 if (!radeon_dig_connector->dp_i2c_bus) 1643 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n"); 1644 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1645 if (!radeon_connector->ddc_bus) 1646 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1647 } 1648 subpixel_order = SubPixelHorizontalRGB; 1649 drm_connector_attach_property(&radeon_connector->base, 1650 rdev->mode_info.coherent_mode_property, 1651 1); 1652 if (ASIC_IS_AVIVO(rdev)) { 1653 drm_connector_attach_property(&radeon_connector->base, 1654 rdev->mode_info.underscan_property, 1655 UNDERSCAN_OFF); 1656 drm_connector_attach_property(&radeon_connector->base, 1657 rdev->mode_info.underscan_hborder_property, 1658 0); 1659 drm_connector_attach_property(&radeon_connector->base, 1660 rdev->mode_info.underscan_vborder_property, 1661 0); 1662 } 1663 connector->interlace_allowed = true; 1664 /* in theory with a DP to VGA converter... */ 1665 connector->doublescan_allowed = false; 1666 break; 1667 case DRM_MODE_CONNECTOR_eDP: 1668 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1669 if (!radeon_dig_connector) 1670 goto failed; 1671 radeon_dig_connector->igp_lane_info = igp_lane_info; 1672 radeon_connector->con_priv = radeon_dig_connector; 1673 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type); 1674 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); 1675 if (i2c_bus->valid) { 1676 /* add DP i2c bus */ 1677 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch"); 1678 if (!radeon_dig_connector->dp_i2c_bus) 1679 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n"); 1680 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1681 if (!radeon_connector->ddc_bus) 1682 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1683 } 1684 drm_connector_attach_property(&radeon_connector->base, 1685 dev->mode_config.scaling_mode_property, 1686 DRM_MODE_SCALE_FULLSCREEN); 1687 subpixel_order = SubPixelHorizontalRGB; 1688 connector->interlace_allowed = false; 1689 connector->doublescan_allowed = false; 1690 break; 1691 case DRM_MODE_CONNECTOR_SVIDEO: 1692 case DRM_MODE_CONNECTOR_Composite: 1693 case DRM_MODE_CONNECTOR_9PinDIN: 1694 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type); 1695 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs); 1696 radeon_connector->dac_load_detect = true; 1697 drm_connector_attach_property(&radeon_connector->base, 1698 rdev->mode_info.load_detect_property, 1699 1); 1700 drm_connector_attach_property(&radeon_connector->base, 1701 rdev->mode_info.tv_std_property, 1702 radeon_atombios_get_tv_info(rdev)); 1703 /* no HPD on analog connectors */ 1704 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 1705 connector->interlace_allowed = false; 1706 connector->doublescan_allowed = false; 1707 break; 1708 case DRM_MODE_CONNECTOR_LVDS: 1709 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1710 if (!radeon_dig_connector) 1711 goto failed; 1712 radeon_dig_connector->igp_lane_info = igp_lane_info; 1713 radeon_connector->con_priv = radeon_dig_connector; 1714 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type); 1715 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs); 1716 if (i2c_bus->valid) { 1717 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1718 if (!radeon_connector->ddc_bus) 1719 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1720 } 1721 drm_connector_attach_property(&radeon_connector->base, 1722 dev->mode_config.scaling_mode_property, 1723 DRM_MODE_SCALE_FULLSCREEN); 1724 subpixel_order = SubPixelHorizontalRGB; 1725 connector->interlace_allowed = false; 1726 connector->doublescan_allowed = false; 1727 break; 1728 } 1729 } 1730 1731 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) { 1732 if (i2c_bus->valid) 1733 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1734 } else 1735 connector->polled = DRM_CONNECTOR_POLL_HPD; 1736 1737 connector->display_info.subpixel_order = subpixel_order; 1738 drm_sysfs_connector_add(connector); 1739 return; 1740 1741 failed: 1742 drm_connector_cleanup(connector); 1743 kfree(connector); 1744 } 1745 1746 void 1747 radeon_add_legacy_connector(struct drm_device *dev, 1748 uint32_t connector_id, 1749 uint32_t supported_device, 1750 int connector_type, 1751 struct radeon_i2c_bus_rec *i2c_bus, 1752 uint16_t connector_object_id, 1753 struct radeon_hpd *hpd) 1754 { 1755 struct radeon_device *rdev = dev->dev_private; 1756 struct drm_connector *connector; 1757 struct radeon_connector *radeon_connector; 1758 uint32_t subpixel_order = SubPixelNone; 1759 1760 if (connector_type == DRM_MODE_CONNECTOR_Unknown) 1761 return; 1762 1763 /* if the user selected tv=0 don't try and add the connector */ 1764 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) || 1765 (connector_type == DRM_MODE_CONNECTOR_Composite) || 1766 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) && 1767 (radeon_tv == 0)) 1768 return; 1769 1770 /* see if we already added it */ 1771 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 1772 radeon_connector = to_radeon_connector(connector); 1773 if (radeon_connector->connector_id == connector_id) { 1774 radeon_connector->devices |= supported_device; 1775 return; 1776 } 1777 } 1778 1779 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL); 1780 if (!radeon_connector) 1781 return; 1782 1783 connector = &radeon_connector->base; 1784 1785 radeon_connector->connector_id = connector_id; 1786 radeon_connector->devices = supported_device; 1787 radeon_connector->connector_object_id = connector_object_id; 1788 radeon_connector->hpd = *hpd; 1789 1790 switch (connector_type) { 1791 case DRM_MODE_CONNECTOR_VGA: 1792 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 1793 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 1794 if (i2c_bus->valid) { 1795 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1796 if (!radeon_connector->ddc_bus) 1797 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1798 } 1799 radeon_connector->dac_load_detect = true; 1800 drm_connector_attach_property(&radeon_connector->base, 1801 rdev->mode_info.load_detect_property, 1802 1); 1803 /* no HPD on analog connectors */ 1804 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 1805 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1806 connector->interlace_allowed = true; 1807 connector->doublescan_allowed = true; 1808 break; 1809 case DRM_MODE_CONNECTOR_DVIA: 1810 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 1811 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 1812 if (i2c_bus->valid) { 1813 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1814 if (!radeon_connector->ddc_bus) 1815 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1816 } 1817 radeon_connector->dac_load_detect = true; 1818 drm_connector_attach_property(&radeon_connector->base, 1819 rdev->mode_info.load_detect_property, 1820 1); 1821 /* no HPD on analog connectors */ 1822 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 1823 connector->interlace_allowed = true; 1824 connector->doublescan_allowed = true; 1825 break; 1826 case DRM_MODE_CONNECTOR_DVII: 1827 case DRM_MODE_CONNECTOR_DVID: 1828 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); 1829 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 1830 if (i2c_bus->valid) { 1831 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1832 if (!radeon_connector->ddc_bus) 1833 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1834 } 1835 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 1836 radeon_connector->dac_load_detect = true; 1837 drm_connector_attach_property(&radeon_connector->base, 1838 rdev->mode_info.load_detect_property, 1839 1); 1840 } 1841 subpixel_order = SubPixelHorizontalRGB; 1842 connector->interlace_allowed = true; 1843 if (connector_type == DRM_MODE_CONNECTOR_DVII) 1844 connector->doublescan_allowed = true; 1845 else 1846 connector->doublescan_allowed = false; 1847 break; 1848 case DRM_MODE_CONNECTOR_SVIDEO: 1849 case DRM_MODE_CONNECTOR_Composite: 1850 case DRM_MODE_CONNECTOR_9PinDIN: 1851 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type); 1852 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs); 1853 radeon_connector->dac_load_detect = true; 1854 /* RS400,RC410,RS480 chipset seems to report a lot 1855 * of false positive on load detect, we haven't yet 1856 * found a way to make load detect reliable on those 1857 * chipset, thus just disable it for TV. 1858 */ 1859 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480) 1860 radeon_connector->dac_load_detect = false; 1861 drm_connector_attach_property(&radeon_connector->base, 1862 rdev->mode_info.load_detect_property, 1863 radeon_connector->dac_load_detect); 1864 drm_connector_attach_property(&radeon_connector->base, 1865 rdev->mode_info.tv_std_property, 1866 radeon_combios_get_tv_info(rdev)); 1867 /* no HPD on analog connectors */ 1868 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 1869 connector->interlace_allowed = false; 1870 connector->doublescan_allowed = false; 1871 break; 1872 case DRM_MODE_CONNECTOR_LVDS: 1873 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type); 1874 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs); 1875 if (i2c_bus->valid) { 1876 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1877 if (!radeon_connector->ddc_bus) 1878 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1879 } 1880 drm_connector_attach_property(&radeon_connector->base, 1881 dev->mode_config.scaling_mode_property, 1882 DRM_MODE_SCALE_FULLSCREEN); 1883 subpixel_order = SubPixelHorizontalRGB; 1884 connector->interlace_allowed = false; 1885 connector->doublescan_allowed = false; 1886 break; 1887 } 1888 1889 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) { 1890 if (i2c_bus->valid) 1891 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1892 } else 1893 connector->polled = DRM_CONNECTOR_POLL_HPD; 1894 connector->display_info.subpixel_order = subpixel_order; 1895 drm_sysfs_connector_add(connector); 1896 if (connector_type == DRM_MODE_CONNECTOR_LVDS) { 1897 struct drm_encoder *drm_encoder; 1898 1899 list_for_each_entry(drm_encoder, &dev->mode_config.encoder_list, head) { 1900 struct radeon_encoder *radeon_encoder; 1901 1902 radeon_encoder = to_radeon_encoder(drm_encoder); 1903 if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_LVDS) 1904 radeon_legacy_backlight_init(radeon_encoder, connector); 1905 } 1906 } 1907 } 1908