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 <drm/drmP.h> 27 #include <drm/drm_edid.h> 28 #include <drm/drm_crtc_helper.h> 29 #include <drm/drm_fb_helper.h> 30 #include <drm/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 void radeon_connector_hotplug(struct drm_connector *connector) 44 { 45 struct drm_device *dev = connector->dev; 46 struct radeon_device *rdev = dev->dev_private; 47 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 48 49 /* bail if the connector does not have hpd pin, e.g., 50 * VGA, TV, etc. 51 */ 52 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) 53 return; 54 55 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); 56 57 /* if the connector is already off, don't turn it back on */ 58 if (connector->dpms != DRM_MODE_DPMS_ON) 59 return; 60 61 /* just deal with DP (not eDP) here. */ 62 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) { 63 struct radeon_connector_atom_dig *dig_connector = 64 radeon_connector->con_priv; 65 66 /* if existing sink type was not DP no need to retrain */ 67 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT) 68 return; 69 70 /* first get sink type as it may be reset after (un)plug */ 71 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector); 72 /* don't do anything if sink is not display port, i.e., 73 * passive dp->(dvi|hdmi) adaptor 74 */ 75 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) { 76 int saved_dpms = connector->dpms; 77 /* Only turn off the display if it's physically disconnected */ 78 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { 79 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); 80 } else if (radeon_dp_needs_link_train(radeon_connector)) { 81 /* set it to OFF so that drm_helper_connector_dpms() 82 * won't return immediately since the current state 83 * is ON at this point. 84 */ 85 connector->dpms = DRM_MODE_DPMS_OFF; 86 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); 87 } 88 connector->dpms = saved_dpms; 89 } 90 } 91 } 92 93 static void radeon_property_change_mode(struct drm_encoder *encoder) 94 { 95 struct drm_crtc *crtc = encoder->crtc; 96 97 if (crtc && crtc->enabled) { 98 drm_crtc_helper_set_mode(crtc, &crtc->mode, 99 crtc->x, crtc->y, crtc->fb); 100 } 101 } 102 103 int radeon_get_monitor_bpc(struct drm_connector *connector) 104 { 105 struct drm_device *dev = connector->dev; 106 struct radeon_device *rdev = dev->dev_private; 107 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 108 struct radeon_connector_atom_dig *dig_connector; 109 int bpc = 8; 110 111 switch (connector->connector_type) { 112 case DRM_MODE_CONNECTOR_DVII: 113 case DRM_MODE_CONNECTOR_HDMIB: 114 if (radeon_connector->use_digital) { 115 if (drm_detect_hdmi_monitor(radeon_connector->edid)) { 116 if (connector->display_info.bpc) 117 bpc = connector->display_info.bpc; 118 } 119 } 120 break; 121 case DRM_MODE_CONNECTOR_DVID: 122 case DRM_MODE_CONNECTOR_HDMIA: 123 if (drm_detect_hdmi_monitor(radeon_connector->edid)) { 124 if (connector->display_info.bpc) 125 bpc = connector->display_info.bpc; 126 } 127 break; 128 case DRM_MODE_CONNECTOR_DisplayPort: 129 dig_connector = radeon_connector->con_priv; 130 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 131 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) || 132 drm_detect_hdmi_monitor(radeon_connector->edid)) { 133 if (connector->display_info.bpc) 134 bpc = connector->display_info.bpc; 135 } 136 break; 137 case DRM_MODE_CONNECTOR_eDP: 138 case DRM_MODE_CONNECTOR_LVDS: 139 if (connector->display_info.bpc) 140 bpc = connector->display_info.bpc; 141 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) { 142 struct drm_connector_helper_funcs *connector_funcs = 143 connector->helper_private; 144 struct drm_encoder *encoder = connector_funcs->best_encoder(connector); 145 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 146 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; 147 148 if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR) 149 bpc = 6; 150 else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR) 151 bpc = 8; 152 } 153 break; 154 } 155 return bpc; 156 } 157 158 static void 159 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status) 160 { 161 struct drm_device *dev = connector->dev; 162 struct radeon_device *rdev = dev->dev_private; 163 struct drm_encoder *best_encoder = NULL; 164 struct drm_encoder *encoder = NULL; 165 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 166 struct drm_mode_object *obj; 167 bool connected; 168 int i; 169 170 best_encoder = connector_funcs->best_encoder(connector); 171 172 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 173 if (connector->encoder_ids[i] == 0) 174 break; 175 176 obj = drm_mode_object_find(connector->dev, 177 connector->encoder_ids[i], 178 DRM_MODE_OBJECT_ENCODER); 179 if (!obj) 180 continue; 181 182 encoder = obj_to_encoder(obj); 183 184 if ((encoder == best_encoder) && (status == connector_status_connected)) 185 connected = true; 186 else 187 connected = false; 188 189 if (rdev->is_atom_bios) 190 radeon_atombios_connected_scratch_regs(connector, encoder, connected); 191 else 192 radeon_combios_connected_scratch_regs(connector, encoder, connected); 193 194 } 195 } 196 197 static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type) 198 { 199 struct drm_mode_object *obj; 200 struct drm_encoder *encoder; 201 int i; 202 203 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 204 if (connector->encoder_ids[i] == 0) 205 break; 206 207 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER); 208 if (!obj) 209 continue; 210 211 encoder = obj_to_encoder(obj); 212 if (encoder->encoder_type == encoder_type) 213 return encoder; 214 } 215 return NULL; 216 } 217 218 static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector) 219 { 220 int enc_id = connector->encoder_ids[0]; 221 struct drm_mode_object *obj; 222 struct drm_encoder *encoder; 223 224 /* pick the encoder ids */ 225 if (enc_id) { 226 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER); 227 if (!obj) 228 return NULL; 229 encoder = obj_to_encoder(obj); 230 return encoder; 231 } 232 return NULL; 233 } 234 235 /* 236 * radeon_connector_analog_encoder_conflict_solve 237 * - search for other connectors sharing this encoder 238 * if priority is true, then set them disconnected if this is connected 239 * if priority is false, set us disconnected if they are connected 240 */ 241 static enum drm_connector_status 242 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector, 243 struct drm_encoder *encoder, 244 enum drm_connector_status current_status, 245 bool priority) 246 { 247 struct drm_device *dev = connector->dev; 248 struct drm_connector *conflict; 249 struct radeon_connector *radeon_conflict; 250 int i; 251 252 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) { 253 if (conflict == connector) 254 continue; 255 256 radeon_conflict = to_radeon_connector(conflict); 257 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 258 if (conflict->encoder_ids[i] == 0) 259 break; 260 261 /* if the IDs match */ 262 if (conflict->encoder_ids[i] == encoder->base.id) { 263 if (conflict->status != connector_status_connected) 264 continue; 265 266 if (radeon_conflict->use_digital) 267 continue; 268 269 if (priority == true) { 270 DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict)); 271 DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(connector)); 272 conflict->status = connector_status_disconnected; 273 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected); 274 } else { 275 DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector)); 276 DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict)); 277 current_status = connector_status_disconnected; 278 } 279 break; 280 } 281 } 282 } 283 return current_status; 284 285 } 286 287 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder) 288 { 289 struct drm_device *dev = encoder->dev; 290 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 291 struct drm_display_mode *mode = NULL; 292 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 293 294 if (native_mode->hdisplay != 0 && 295 native_mode->vdisplay != 0 && 296 native_mode->clock != 0) { 297 mode = drm_mode_duplicate(dev, native_mode); 298 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; 299 drm_mode_set_name(mode); 300 301 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name); 302 } else if (native_mode->hdisplay != 0 && 303 native_mode->vdisplay != 0) { 304 /* mac laptops without an edid */ 305 /* Note that this is not necessarily the exact panel mode, 306 * but an approximation based on the cvt formula. For these 307 * systems we should ideally read the mode info out of the 308 * registers or add a mode table, but this works and is much 309 * simpler. 310 */ 311 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false); 312 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; 313 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name); 314 } 315 return mode; 316 } 317 318 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector) 319 { 320 struct drm_device *dev = encoder->dev; 321 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 322 struct drm_display_mode *mode = NULL; 323 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 324 int i; 325 struct mode_size { 326 int w; 327 int h; 328 } common_modes[17] = { 329 { 640, 480}, 330 { 720, 480}, 331 { 800, 600}, 332 { 848, 480}, 333 {1024, 768}, 334 {1152, 768}, 335 {1280, 720}, 336 {1280, 800}, 337 {1280, 854}, 338 {1280, 960}, 339 {1280, 1024}, 340 {1440, 900}, 341 {1400, 1050}, 342 {1680, 1050}, 343 {1600, 1200}, 344 {1920, 1080}, 345 {1920, 1200} 346 }; 347 348 for (i = 0; i < 17; i++) { 349 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) { 350 if (common_modes[i].w > 1024 || 351 common_modes[i].h > 768) 352 continue; 353 } 354 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { 355 if (common_modes[i].w > native_mode->hdisplay || 356 common_modes[i].h > native_mode->vdisplay || 357 (common_modes[i].w == native_mode->hdisplay && 358 common_modes[i].h == native_mode->vdisplay)) 359 continue; 360 } 361 if (common_modes[i].w < 320 || common_modes[i].h < 200) 362 continue; 363 364 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false); 365 drm_mode_probed_add(connector, mode); 366 } 367 } 368 369 static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property, 370 uint64_t val) 371 { 372 struct drm_device *dev = connector->dev; 373 struct radeon_device *rdev = dev->dev_private; 374 struct drm_encoder *encoder; 375 struct radeon_encoder *radeon_encoder; 376 377 if (property == rdev->mode_info.coherent_mode_property) { 378 struct radeon_encoder_atom_dig *dig; 379 bool new_coherent_mode; 380 381 /* need to find digital encoder on connector */ 382 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 383 if (!encoder) 384 return 0; 385 386 radeon_encoder = to_radeon_encoder(encoder); 387 388 if (!radeon_encoder->enc_priv) 389 return 0; 390 391 dig = radeon_encoder->enc_priv; 392 new_coherent_mode = val ? true : false; 393 if (dig->coherent_mode != new_coherent_mode) { 394 dig->coherent_mode = new_coherent_mode; 395 radeon_property_change_mode(&radeon_encoder->base); 396 } 397 } 398 399 if (property == rdev->mode_info.audio_property) { 400 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 401 /* need to find digital encoder on connector */ 402 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 403 if (!encoder) 404 return 0; 405 406 radeon_encoder = to_radeon_encoder(encoder); 407 408 if (radeon_connector->audio != val) { 409 radeon_connector->audio = val; 410 radeon_property_change_mode(&radeon_encoder->base); 411 } 412 } 413 414 if (property == rdev->mode_info.underscan_property) { 415 /* need to find digital encoder on connector */ 416 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 417 if (!encoder) 418 return 0; 419 420 radeon_encoder = to_radeon_encoder(encoder); 421 422 if (radeon_encoder->underscan_type != val) { 423 radeon_encoder->underscan_type = val; 424 radeon_property_change_mode(&radeon_encoder->base); 425 } 426 } 427 428 if (property == rdev->mode_info.underscan_hborder_property) { 429 /* need to find digital encoder on connector */ 430 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 431 if (!encoder) 432 return 0; 433 434 radeon_encoder = to_radeon_encoder(encoder); 435 436 if (radeon_encoder->underscan_hborder != val) { 437 radeon_encoder->underscan_hborder = val; 438 radeon_property_change_mode(&radeon_encoder->base); 439 } 440 } 441 442 if (property == rdev->mode_info.underscan_vborder_property) { 443 /* need to find digital encoder on connector */ 444 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 445 if (!encoder) 446 return 0; 447 448 radeon_encoder = to_radeon_encoder(encoder); 449 450 if (radeon_encoder->underscan_vborder != val) { 451 radeon_encoder->underscan_vborder = val; 452 radeon_property_change_mode(&radeon_encoder->base); 453 } 454 } 455 456 if (property == rdev->mode_info.tv_std_property) { 457 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC); 458 if (!encoder) { 459 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC); 460 } 461 462 if (!encoder) 463 return 0; 464 465 radeon_encoder = to_radeon_encoder(encoder); 466 if (!radeon_encoder->enc_priv) 467 return 0; 468 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) { 469 struct radeon_encoder_atom_dac *dac_int; 470 dac_int = radeon_encoder->enc_priv; 471 dac_int->tv_std = val; 472 } else { 473 struct radeon_encoder_tv_dac *dac_int; 474 dac_int = radeon_encoder->enc_priv; 475 dac_int->tv_std = val; 476 } 477 radeon_property_change_mode(&radeon_encoder->base); 478 } 479 480 if (property == rdev->mode_info.load_detect_property) { 481 struct radeon_connector *radeon_connector = 482 to_radeon_connector(connector); 483 484 if (val == 0) 485 radeon_connector->dac_load_detect = false; 486 else 487 radeon_connector->dac_load_detect = true; 488 } 489 490 if (property == rdev->mode_info.tmds_pll_property) { 491 struct radeon_encoder_int_tmds *tmds = NULL; 492 bool ret = false; 493 /* need to find digital encoder on connector */ 494 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 495 if (!encoder) 496 return 0; 497 498 radeon_encoder = to_radeon_encoder(encoder); 499 500 tmds = radeon_encoder->enc_priv; 501 if (!tmds) 502 return 0; 503 504 if (val == 0) { 505 if (rdev->is_atom_bios) 506 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds); 507 else 508 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds); 509 } 510 if (val == 1 || ret == false) { 511 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds); 512 } 513 radeon_property_change_mode(&radeon_encoder->base); 514 } 515 516 return 0; 517 } 518 519 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder, 520 struct drm_connector *connector) 521 { 522 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 523 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 524 struct drm_display_mode *t, *mode; 525 526 /* If the EDID preferred mode doesn't match the native mode, use it */ 527 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) { 528 if (mode->type & DRM_MODE_TYPE_PREFERRED) { 529 if (mode->hdisplay != native_mode->hdisplay || 530 mode->vdisplay != native_mode->vdisplay) 531 memcpy(native_mode, mode, sizeof(*mode)); 532 } 533 } 534 535 /* Try to get native mode details from EDID if necessary */ 536 if (!native_mode->clock) { 537 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) { 538 if (mode->hdisplay == native_mode->hdisplay && 539 mode->vdisplay == native_mode->vdisplay) { 540 *native_mode = *mode; 541 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V); 542 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n"); 543 break; 544 } 545 } 546 } 547 548 if (!native_mode->clock) { 549 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n"); 550 radeon_encoder->rmx_type = RMX_OFF; 551 } 552 } 553 554 static int radeon_lvds_get_modes(struct drm_connector *connector) 555 { 556 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 557 struct drm_encoder *encoder; 558 int ret = 0; 559 struct drm_display_mode *mode; 560 561 if (radeon_connector->ddc_bus) { 562 ret = radeon_ddc_get_modes(radeon_connector); 563 if (ret > 0) { 564 encoder = radeon_best_single_encoder(connector); 565 if (encoder) { 566 radeon_fixup_lvds_native_mode(encoder, connector); 567 /* add scaled modes */ 568 radeon_add_common_modes(encoder, connector); 569 } 570 return ret; 571 } 572 } 573 574 encoder = radeon_best_single_encoder(connector); 575 if (!encoder) 576 return 0; 577 578 /* we have no EDID modes */ 579 mode = radeon_fp_native_mode(encoder); 580 if (mode) { 581 ret = 1; 582 drm_mode_probed_add(connector, mode); 583 /* add the width/height from vbios tables if available */ 584 connector->display_info.width_mm = mode->width_mm; 585 connector->display_info.height_mm = mode->height_mm; 586 /* add scaled modes */ 587 radeon_add_common_modes(encoder, connector); 588 } 589 590 return ret; 591 } 592 593 static int radeon_lvds_mode_valid(struct drm_connector *connector, 594 struct drm_display_mode *mode) 595 { 596 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 597 598 if ((mode->hdisplay < 320) || (mode->vdisplay < 240)) 599 return MODE_PANEL; 600 601 if (encoder) { 602 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 603 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 604 605 /* AVIVO hardware supports downscaling modes larger than the panel 606 * to the panel size, but I'm not sure this is desirable. 607 */ 608 if ((mode->hdisplay > native_mode->hdisplay) || 609 (mode->vdisplay > native_mode->vdisplay)) 610 return MODE_PANEL; 611 612 /* if scaling is disabled, block non-native modes */ 613 if (radeon_encoder->rmx_type == RMX_OFF) { 614 if ((mode->hdisplay != native_mode->hdisplay) || 615 (mode->vdisplay != native_mode->vdisplay)) 616 return MODE_PANEL; 617 } 618 } 619 620 return MODE_OK; 621 } 622 623 static enum drm_connector_status 624 radeon_lvds_detect(struct drm_connector *connector, bool force) 625 { 626 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 627 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 628 enum drm_connector_status ret = connector_status_disconnected; 629 630 if (encoder) { 631 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 632 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 633 634 /* check if panel is valid */ 635 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240) 636 ret = connector_status_connected; 637 638 } 639 640 /* check for edid as well */ 641 if (radeon_connector->edid) 642 ret = connector_status_connected; 643 else { 644 if (radeon_connector->ddc_bus) { 645 radeon_connector->edid = drm_get_edid(&radeon_connector->base, 646 &radeon_connector->ddc_bus->adapter); 647 if (radeon_connector->edid) 648 ret = connector_status_connected; 649 } 650 } 651 /* check acpi lid status ??? */ 652 653 radeon_connector_update_scratch_regs(connector, ret); 654 return ret; 655 } 656 657 static void radeon_connector_destroy(struct drm_connector *connector) 658 { 659 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 660 661 if (radeon_connector->edid) 662 kfree(radeon_connector->edid); 663 kfree(radeon_connector->con_priv); 664 drm_sysfs_connector_remove(connector); 665 drm_connector_cleanup(connector); 666 kfree(connector); 667 } 668 669 static int radeon_lvds_set_property(struct drm_connector *connector, 670 struct drm_property *property, 671 uint64_t value) 672 { 673 struct drm_device *dev = connector->dev; 674 struct radeon_encoder *radeon_encoder; 675 enum radeon_rmx_type rmx_type; 676 677 DRM_DEBUG_KMS("\n"); 678 if (property != dev->mode_config.scaling_mode_property) 679 return 0; 680 681 if (connector->encoder) 682 radeon_encoder = to_radeon_encoder(connector->encoder); 683 else { 684 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 685 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); 686 } 687 688 switch (value) { 689 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break; 690 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break; 691 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break; 692 default: 693 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break; 694 } 695 if (radeon_encoder->rmx_type == rmx_type) 696 return 0; 697 698 radeon_encoder->rmx_type = rmx_type; 699 700 radeon_property_change_mode(&radeon_encoder->base); 701 return 0; 702 } 703 704 705 static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = { 706 .get_modes = radeon_lvds_get_modes, 707 .mode_valid = radeon_lvds_mode_valid, 708 .best_encoder = radeon_best_single_encoder, 709 }; 710 711 static const struct drm_connector_funcs radeon_lvds_connector_funcs = { 712 .dpms = drm_helper_connector_dpms, 713 .detect = radeon_lvds_detect, 714 .fill_modes = drm_helper_probe_single_connector_modes, 715 .destroy = radeon_connector_destroy, 716 .set_property = radeon_lvds_set_property, 717 }; 718 719 static int radeon_vga_get_modes(struct drm_connector *connector) 720 { 721 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 722 int ret; 723 724 ret = radeon_ddc_get_modes(radeon_connector); 725 726 return ret; 727 } 728 729 static int radeon_vga_mode_valid(struct drm_connector *connector, 730 struct drm_display_mode *mode) 731 { 732 struct drm_device *dev = connector->dev; 733 struct radeon_device *rdev = dev->dev_private; 734 735 /* XXX check mode bandwidth */ 736 737 if ((mode->clock / 10) > rdev->clock.max_pixel_clock) 738 return MODE_CLOCK_HIGH; 739 740 return MODE_OK; 741 } 742 743 static enum drm_connector_status 744 radeon_vga_detect(struct drm_connector *connector, bool force) 745 { 746 struct drm_device *dev = connector->dev; 747 struct radeon_device *rdev = dev->dev_private; 748 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 749 struct drm_encoder *encoder; 750 struct drm_encoder_helper_funcs *encoder_funcs; 751 bool dret = false; 752 enum drm_connector_status ret = connector_status_disconnected; 753 754 encoder = radeon_best_single_encoder(connector); 755 if (!encoder) 756 ret = connector_status_disconnected; 757 758 if (radeon_connector->ddc_bus) 759 dret = radeon_ddc_probe(radeon_connector, false); 760 if (dret) { 761 radeon_connector->detected_by_load = false; 762 if (radeon_connector->edid) { 763 kfree(radeon_connector->edid); 764 radeon_connector->edid = NULL; 765 } 766 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter); 767 768 if (!radeon_connector->edid) { 769 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n", 770 drm_get_connector_name(connector)); 771 ret = connector_status_connected; 772 } else { 773 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL); 774 775 /* some oems have boards with separate digital and analog connectors 776 * with a shared ddc line (often vga + hdmi) 777 */ 778 if (radeon_connector->use_digital && radeon_connector->shared_ddc) { 779 kfree(radeon_connector->edid); 780 radeon_connector->edid = NULL; 781 ret = connector_status_disconnected; 782 } else 783 ret = connector_status_connected; 784 } 785 } else { 786 787 /* if we aren't forcing don't do destructive polling */ 788 if (!force) { 789 /* only return the previous status if we last 790 * detected a monitor via load. 791 */ 792 if (radeon_connector->detected_by_load) 793 return connector->status; 794 else 795 return ret; 796 } 797 798 if (radeon_connector->dac_load_detect && encoder) { 799 encoder_funcs = encoder->helper_private; 800 ret = encoder_funcs->detect(encoder, connector); 801 if (ret != connector_status_disconnected) 802 radeon_connector->detected_by_load = true; 803 } 804 } 805 806 if (ret == connector_status_connected) 807 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true); 808 809 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the 810 * vbios to deal with KVMs. If we have one and are not able to detect a monitor 811 * by other means, assume the CRT is connected and use that EDID. 812 */ 813 if ((!rdev->is_atom_bios) && 814 (ret == connector_status_disconnected) && 815 rdev->mode_info.bios_hardcoded_edid_size) { 816 ret = connector_status_connected; 817 } 818 819 radeon_connector_update_scratch_regs(connector, ret); 820 return ret; 821 } 822 823 static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = { 824 .get_modes = radeon_vga_get_modes, 825 .mode_valid = radeon_vga_mode_valid, 826 .best_encoder = radeon_best_single_encoder, 827 }; 828 829 static const struct drm_connector_funcs radeon_vga_connector_funcs = { 830 .dpms = drm_helper_connector_dpms, 831 .detect = radeon_vga_detect, 832 .fill_modes = drm_helper_probe_single_connector_modes, 833 .destroy = radeon_connector_destroy, 834 .set_property = radeon_connector_set_property, 835 }; 836 837 static int radeon_tv_get_modes(struct drm_connector *connector) 838 { 839 struct drm_device *dev = connector->dev; 840 struct radeon_device *rdev = dev->dev_private; 841 struct drm_display_mode *tv_mode; 842 struct drm_encoder *encoder; 843 844 encoder = radeon_best_single_encoder(connector); 845 if (!encoder) 846 return 0; 847 848 /* avivo chips can scale any mode */ 849 if (rdev->family >= CHIP_RS600) 850 /* add scaled modes */ 851 radeon_add_common_modes(encoder, connector); 852 else { 853 /* only 800x600 is supported right now on pre-avivo chips */ 854 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false); 855 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; 856 drm_mode_probed_add(connector, tv_mode); 857 } 858 return 1; 859 } 860 861 static int radeon_tv_mode_valid(struct drm_connector *connector, 862 struct drm_display_mode *mode) 863 { 864 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768)) 865 return MODE_CLOCK_RANGE; 866 return MODE_OK; 867 } 868 869 static enum drm_connector_status 870 radeon_tv_detect(struct drm_connector *connector, bool force) 871 { 872 struct drm_encoder *encoder; 873 struct drm_encoder_helper_funcs *encoder_funcs; 874 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 875 enum drm_connector_status ret = connector_status_disconnected; 876 877 if (!radeon_connector->dac_load_detect) 878 return ret; 879 880 encoder = radeon_best_single_encoder(connector); 881 if (!encoder) 882 ret = connector_status_disconnected; 883 else { 884 encoder_funcs = encoder->helper_private; 885 ret = encoder_funcs->detect(encoder, connector); 886 } 887 if (ret == connector_status_connected) 888 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false); 889 radeon_connector_update_scratch_regs(connector, ret); 890 return ret; 891 } 892 893 static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = { 894 .get_modes = radeon_tv_get_modes, 895 .mode_valid = radeon_tv_mode_valid, 896 .best_encoder = radeon_best_single_encoder, 897 }; 898 899 static const struct drm_connector_funcs radeon_tv_connector_funcs = { 900 .dpms = drm_helper_connector_dpms, 901 .detect = radeon_tv_detect, 902 .fill_modes = drm_helper_probe_single_connector_modes, 903 .destroy = radeon_connector_destroy, 904 .set_property = radeon_connector_set_property, 905 }; 906 907 static int radeon_dvi_get_modes(struct drm_connector *connector) 908 { 909 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 910 int ret; 911 912 ret = radeon_ddc_get_modes(radeon_connector); 913 return ret; 914 } 915 916 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector) 917 { 918 struct drm_device *dev = connector->dev; 919 struct radeon_device *rdev = dev->dev_private; 920 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 921 enum drm_connector_status status; 922 923 /* We only trust HPD on R600 and newer ASICS. */ 924 if (rdev->family >= CHIP_R600 925 && radeon_connector->hpd.hpd != RADEON_HPD_NONE) { 926 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) 927 status = connector_status_connected; 928 else 929 status = connector_status_disconnected; 930 if (connector->status == status) 931 return true; 932 } 933 934 return false; 935 } 936 937 /* 938 * DVI is complicated 939 * Do a DDC probe, if DDC probe passes, get the full EDID so 940 * we can do analog/digital monitor detection at this point. 941 * If the monitor is an analog monitor or we got no DDC, 942 * we need to find the DAC encoder object for this connector. 943 * If we got no DDC, we do load detection on the DAC encoder object. 944 * If we got analog DDC or load detection passes on the DAC encoder 945 * we have to check if this analog encoder is shared with anyone else (TV) 946 * if its shared we have to set the other connector to disconnected. 947 */ 948 static enum drm_connector_status 949 radeon_dvi_detect(struct drm_connector *connector, bool force) 950 { 951 struct drm_device *dev = connector->dev; 952 struct radeon_device *rdev = dev->dev_private; 953 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 954 struct drm_encoder *encoder = NULL; 955 struct drm_encoder_helper_funcs *encoder_funcs; 956 struct drm_mode_object *obj; 957 int i; 958 enum drm_connector_status ret = connector_status_disconnected; 959 bool dret = false, broken_edid = false; 960 961 if (!force && radeon_check_hpd_status_unchanged(connector)) 962 return connector->status; 963 964 if (radeon_connector->ddc_bus) 965 dret = radeon_ddc_probe(radeon_connector, false); 966 if (dret) { 967 radeon_connector->detected_by_load = false; 968 if (radeon_connector->edid) { 969 kfree(radeon_connector->edid); 970 radeon_connector->edid = NULL; 971 } 972 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter); 973 974 if (!radeon_connector->edid) { 975 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n", 976 drm_get_connector_name(connector)); 977 /* rs690 seems to have a problem with connectors not existing and always 978 * return a block of 0's. If we see this just stop polling on this output */ 979 if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && radeon_connector->base.null_edid_counter) { 980 ret = connector_status_disconnected; 981 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector)); 982 radeon_connector->ddc_bus = NULL; 983 } else { 984 ret = connector_status_connected; 985 broken_edid = true; /* defer use_digital to later */ 986 } 987 } else { 988 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL); 989 990 /* some oems have boards with separate digital and analog connectors 991 * with a shared ddc line (often vga + hdmi) 992 */ 993 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) { 994 kfree(radeon_connector->edid); 995 radeon_connector->edid = NULL; 996 ret = connector_status_disconnected; 997 } else 998 ret = connector_status_connected; 999 1000 /* This gets complicated. We have boards with VGA + HDMI with a 1001 * shared DDC line and we have boards with DVI-D + HDMI with a shared 1002 * DDC line. The latter is more complex because with DVI<->HDMI adapters 1003 * you don't really know what's connected to which port as both are digital. 1004 */ 1005 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) { 1006 struct drm_connector *list_connector; 1007 struct radeon_connector *list_radeon_connector; 1008 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) { 1009 if (connector == list_connector) 1010 continue; 1011 list_radeon_connector = to_radeon_connector(list_connector); 1012 if (list_radeon_connector->shared_ddc && 1013 (list_radeon_connector->ddc_bus->rec.i2c_id == 1014 radeon_connector->ddc_bus->rec.i2c_id)) { 1015 /* cases where both connectors are digital */ 1016 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) { 1017 /* hpd is our only option in this case */ 1018 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { 1019 kfree(radeon_connector->edid); 1020 radeon_connector->edid = NULL; 1021 ret = connector_status_disconnected; 1022 } 1023 } 1024 } 1025 } 1026 } 1027 } 1028 } 1029 1030 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true)) 1031 goto out; 1032 1033 /* DVI-D and HDMI-A are digital only */ 1034 if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) || 1035 (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA)) 1036 goto out; 1037 1038 /* if we aren't forcing don't do destructive polling */ 1039 if (!force) { 1040 /* only return the previous status if we last 1041 * detected a monitor via load. 1042 */ 1043 if (radeon_connector->detected_by_load) 1044 ret = connector->status; 1045 goto out; 1046 } 1047 1048 /* find analog encoder */ 1049 if (radeon_connector->dac_load_detect) { 1050 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1051 if (connector->encoder_ids[i] == 0) 1052 break; 1053 1054 obj = drm_mode_object_find(connector->dev, 1055 connector->encoder_ids[i], 1056 DRM_MODE_OBJECT_ENCODER); 1057 if (!obj) 1058 continue; 1059 1060 encoder = obj_to_encoder(obj); 1061 1062 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC && 1063 encoder->encoder_type != DRM_MODE_ENCODER_TVDAC) 1064 continue; 1065 1066 encoder_funcs = encoder->helper_private; 1067 if (encoder_funcs->detect) { 1068 if (!broken_edid) { 1069 if (ret != connector_status_connected) { 1070 /* deal with analog monitors without DDC */ 1071 ret = encoder_funcs->detect(encoder, connector); 1072 if (ret == connector_status_connected) { 1073 radeon_connector->use_digital = false; 1074 } 1075 if (ret != connector_status_disconnected) 1076 radeon_connector->detected_by_load = true; 1077 } 1078 } else { 1079 enum drm_connector_status lret; 1080 /* assume digital unless load detected otherwise */ 1081 radeon_connector->use_digital = true; 1082 lret = encoder_funcs->detect(encoder, connector); 1083 DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret); 1084 if (lret == connector_status_connected) 1085 radeon_connector->use_digital = false; 1086 } 1087 break; 1088 } 1089 } 1090 } 1091 1092 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) && 1093 encoder) { 1094 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true); 1095 } 1096 1097 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the 1098 * vbios to deal with KVMs. If we have one and are not able to detect a monitor 1099 * by other means, assume the DFP is connected and use that EDID. In most 1100 * cases the DVI port is actually a virtual KVM port connected to the service 1101 * processor. 1102 */ 1103 out: 1104 if ((!rdev->is_atom_bios) && 1105 (ret == connector_status_disconnected) && 1106 rdev->mode_info.bios_hardcoded_edid_size) { 1107 radeon_connector->use_digital = true; 1108 ret = connector_status_connected; 1109 } 1110 1111 /* updated in get modes as well since we need to know if it's analog or digital */ 1112 radeon_connector_update_scratch_regs(connector, ret); 1113 return ret; 1114 } 1115 1116 /* okay need to be smart in here about which encoder to pick */ 1117 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector) 1118 { 1119 int enc_id = connector->encoder_ids[0]; 1120 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1121 struct drm_mode_object *obj; 1122 struct drm_encoder *encoder; 1123 int i; 1124 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1125 if (connector->encoder_ids[i] == 0) 1126 break; 1127 1128 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER); 1129 if (!obj) 1130 continue; 1131 1132 encoder = obj_to_encoder(obj); 1133 1134 if (radeon_connector->use_digital == true) { 1135 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS) 1136 return encoder; 1137 } else { 1138 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC || 1139 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC) 1140 return encoder; 1141 } 1142 } 1143 1144 /* see if we have a default encoder TODO */ 1145 1146 /* then check use digitial */ 1147 /* pick the first one */ 1148 if (enc_id) { 1149 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER); 1150 if (!obj) 1151 return NULL; 1152 encoder = obj_to_encoder(obj); 1153 return encoder; 1154 } 1155 return NULL; 1156 } 1157 1158 static void radeon_dvi_force(struct drm_connector *connector) 1159 { 1160 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1161 if (connector->force == DRM_FORCE_ON) 1162 radeon_connector->use_digital = false; 1163 if (connector->force == DRM_FORCE_ON_DIGITAL) 1164 radeon_connector->use_digital = true; 1165 } 1166 1167 static int radeon_dvi_mode_valid(struct drm_connector *connector, 1168 struct drm_display_mode *mode) 1169 { 1170 struct drm_device *dev = connector->dev; 1171 struct radeon_device *rdev = dev->dev_private; 1172 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1173 1174 /* XXX check mode bandwidth */ 1175 1176 /* clocks over 135 MHz have heat issues with DVI on RV100 */ 1177 if (radeon_connector->use_digital && 1178 (rdev->family == CHIP_RV100) && 1179 (mode->clock > 135000)) 1180 return MODE_CLOCK_HIGH; 1181 1182 if (radeon_connector->use_digital && (mode->clock > 165000)) { 1183 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) || 1184 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) || 1185 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B)) 1186 return MODE_OK; 1187 else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) { 1188 if (ASIC_IS_DCE6(rdev)) { 1189 /* HDMI 1.3+ supports max clock of 340 Mhz */ 1190 if (mode->clock > 340000) 1191 return MODE_CLOCK_HIGH; 1192 else 1193 return MODE_OK; 1194 } else 1195 return MODE_CLOCK_HIGH; 1196 } else 1197 return MODE_CLOCK_HIGH; 1198 } 1199 1200 /* check against the max pixel clock */ 1201 if ((mode->clock / 10) > rdev->clock.max_pixel_clock) 1202 return MODE_CLOCK_HIGH; 1203 1204 return MODE_OK; 1205 } 1206 1207 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = { 1208 .get_modes = radeon_dvi_get_modes, 1209 .mode_valid = radeon_dvi_mode_valid, 1210 .best_encoder = radeon_dvi_encoder, 1211 }; 1212 1213 static const struct drm_connector_funcs radeon_dvi_connector_funcs = { 1214 .dpms = drm_helper_connector_dpms, 1215 .detect = radeon_dvi_detect, 1216 .fill_modes = drm_helper_probe_single_connector_modes, 1217 .set_property = radeon_connector_set_property, 1218 .destroy = radeon_connector_destroy, 1219 .force = radeon_dvi_force, 1220 }; 1221 1222 static void radeon_dp_connector_destroy(struct drm_connector *connector) 1223 { 1224 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1225 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1226 1227 if (radeon_connector->edid) 1228 kfree(radeon_connector->edid); 1229 if (radeon_dig_connector->dp_i2c_bus) 1230 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus); 1231 kfree(radeon_connector->con_priv); 1232 drm_sysfs_connector_remove(connector); 1233 drm_connector_cleanup(connector); 1234 kfree(connector); 1235 } 1236 1237 static int radeon_dp_get_modes(struct drm_connector *connector) 1238 { 1239 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1240 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1241 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1242 int ret; 1243 1244 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1245 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1246 struct drm_display_mode *mode; 1247 1248 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) { 1249 if (!radeon_dig_connector->edp_on) 1250 atombios_set_edp_panel_power(connector, 1251 ATOM_TRANSMITTER_ACTION_POWER_ON); 1252 ret = radeon_ddc_get_modes(radeon_connector); 1253 if (!radeon_dig_connector->edp_on) 1254 atombios_set_edp_panel_power(connector, 1255 ATOM_TRANSMITTER_ACTION_POWER_OFF); 1256 } else { 1257 /* need to setup ddc on the bridge */ 1258 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1259 ENCODER_OBJECT_ID_NONE) { 1260 if (encoder) 1261 radeon_atom_ext_encoder_setup_ddc(encoder); 1262 } 1263 ret = radeon_ddc_get_modes(radeon_connector); 1264 } 1265 1266 if (ret > 0) { 1267 if (encoder) { 1268 radeon_fixup_lvds_native_mode(encoder, connector); 1269 /* add scaled modes */ 1270 radeon_add_common_modes(encoder, connector); 1271 } 1272 return ret; 1273 } 1274 1275 if (!encoder) 1276 return 0; 1277 1278 /* we have no EDID modes */ 1279 mode = radeon_fp_native_mode(encoder); 1280 if (mode) { 1281 ret = 1; 1282 drm_mode_probed_add(connector, mode); 1283 /* add the width/height from vbios tables if available */ 1284 connector->display_info.width_mm = mode->width_mm; 1285 connector->display_info.height_mm = mode->height_mm; 1286 /* add scaled modes */ 1287 radeon_add_common_modes(encoder, connector); 1288 } 1289 } else { 1290 /* need to setup ddc on the bridge */ 1291 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1292 ENCODER_OBJECT_ID_NONE) { 1293 if (encoder) 1294 radeon_atom_ext_encoder_setup_ddc(encoder); 1295 } 1296 ret = radeon_ddc_get_modes(radeon_connector); 1297 } 1298 1299 return ret; 1300 } 1301 1302 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector) 1303 { 1304 struct drm_mode_object *obj; 1305 struct drm_encoder *encoder; 1306 struct radeon_encoder *radeon_encoder; 1307 int i; 1308 1309 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1310 if (connector->encoder_ids[i] == 0) 1311 break; 1312 1313 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER); 1314 if (!obj) 1315 continue; 1316 1317 encoder = obj_to_encoder(obj); 1318 radeon_encoder = to_radeon_encoder(encoder); 1319 1320 switch (radeon_encoder->encoder_id) { 1321 case ENCODER_OBJECT_ID_TRAVIS: 1322 case ENCODER_OBJECT_ID_NUTMEG: 1323 return radeon_encoder->encoder_id; 1324 default: 1325 break; 1326 } 1327 } 1328 1329 return ENCODER_OBJECT_ID_NONE; 1330 } 1331 1332 bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector) 1333 { 1334 struct drm_mode_object *obj; 1335 struct drm_encoder *encoder; 1336 struct radeon_encoder *radeon_encoder; 1337 int i; 1338 bool found = false; 1339 1340 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1341 if (connector->encoder_ids[i] == 0) 1342 break; 1343 1344 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER); 1345 if (!obj) 1346 continue; 1347 1348 encoder = obj_to_encoder(obj); 1349 radeon_encoder = to_radeon_encoder(encoder); 1350 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2) 1351 found = true; 1352 } 1353 1354 return found; 1355 } 1356 1357 bool radeon_connector_is_dp12_capable(struct drm_connector *connector) 1358 { 1359 struct drm_device *dev = connector->dev; 1360 struct radeon_device *rdev = dev->dev_private; 1361 1362 if (ASIC_IS_DCE5(rdev) && 1363 (rdev->clock.dp_extclk >= 53900) && 1364 radeon_connector_encoder_is_hbr2(connector)) { 1365 return true; 1366 } 1367 1368 return false; 1369 } 1370 1371 static enum drm_connector_status 1372 radeon_dp_detect(struct drm_connector *connector, bool force) 1373 { 1374 struct drm_device *dev = connector->dev; 1375 struct radeon_device *rdev = dev->dev_private; 1376 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1377 enum drm_connector_status ret = connector_status_disconnected; 1378 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1379 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1380 1381 if (!force && radeon_check_hpd_status_unchanged(connector)) 1382 return connector->status; 1383 1384 if (radeon_connector->edid) { 1385 kfree(radeon_connector->edid); 1386 radeon_connector->edid = NULL; 1387 } 1388 1389 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1390 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1391 if (encoder) { 1392 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 1393 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 1394 1395 /* check if panel is valid */ 1396 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240) 1397 ret = connector_status_connected; 1398 } 1399 /* eDP is always DP */ 1400 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; 1401 if (!radeon_dig_connector->edp_on) 1402 atombios_set_edp_panel_power(connector, 1403 ATOM_TRANSMITTER_ACTION_POWER_ON); 1404 if (radeon_dp_getdpcd(radeon_connector)) 1405 ret = connector_status_connected; 1406 if (!radeon_dig_connector->edp_on) 1407 atombios_set_edp_panel_power(connector, 1408 ATOM_TRANSMITTER_ACTION_POWER_OFF); 1409 } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1410 ENCODER_OBJECT_ID_NONE) { 1411 /* DP bridges are always DP */ 1412 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; 1413 /* get the DPCD from the bridge */ 1414 radeon_dp_getdpcd(radeon_connector); 1415 1416 if (encoder) { 1417 /* setup ddc on the bridge */ 1418 radeon_atom_ext_encoder_setup_ddc(encoder); 1419 /* bridge chips are always aux */ 1420 if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */ 1421 ret = connector_status_connected; 1422 else if (radeon_connector->dac_load_detect) { /* try load detection */ 1423 struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private; 1424 ret = encoder_funcs->detect(encoder, connector); 1425 } 1426 } 1427 } else { 1428 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector); 1429 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { 1430 ret = connector_status_connected; 1431 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) 1432 radeon_dp_getdpcd(radeon_connector); 1433 } else { 1434 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) { 1435 if (radeon_dp_getdpcd(radeon_connector)) 1436 ret = connector_status_connected; 1437 } else { 1438 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */ 1439 if (radeon_ddc_probe(radeon_connector, false)) 1440 ret = connector_status_connected; 1441 } 1442 } 1443 } 1444 1445 radeon_connector_update_scratch_regs(connector, ret); 1446 return ret; 1447 } 1448 1449 static int radeon_dp_mode_valid(struct drm_connector *connector, 1450 struct drm_display_mode *mode) 1451 { 1452 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1453 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1454 1455 /* XXX check mode bandwidth */ 1456 1457 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1458 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1459 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1460 1461 if ((mode->hdisplay < 320) || (mode->vdisplay < 240)) 1462 return MODE_PANEL; 1463 1464 if (encoder) { 1465 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 1466 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 1467 1468 /* AVIVO hardware supports downscaling modes larger than the panel 1469 * to the panel size, but I'm not sure this is desirable. 1470 */ 1471 if ((mode->hdisplay > native_mode->hdisplay) || 1472 (mode->vdisplay > native_mode->vdisplay)) 1473 return MODE_PANEL; 1474 1475 /* if scaling is disabled, block non-native modes */ 1476 if (radeon_encoder->rmx_type == RMX_OFF) { 1477 if ((mode->hdisplay != native_mode->hdisplay) || 1478 (mode->vdisplay != native_mode->vdisplay)) 1479 return MODE_PANEL; 1480 } 1481 } 1482 return MODE_OK; 1483 } else { 1484 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 1485 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) 1486 return radeon_dp_mode_valid_helper(connector, mode); 1487 else 1488 return MODE_OK; 1489 } 1490 } 1491 1492 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = { 1493 .get_modes = radeon_dp_get_modes, 1494 .mode_valid = radeon_dp_mode_valid, 1495 .best_encoder = radeon_dvi_encoder, 1496 }; 1497 1498 static const struct drm_connector_funcs radeon_dp_connector_funcs = { 1499 .dpms = drm_helper_connector_dpms, 1500 .detect = radeon_dp_detect, 1501 .fill_modes = drm_helper_probe_single_connector_modes, 1502 .set_property = radeon_connector_set_property, 1503 .destroy = radeon_dp_connector_destroy, 1504 .force = radeon_dvi_force, 1505 }; 1506 1507 static const struct drm_connector_funcs radeon_edp_connector_funcs = { 1508 .dpms = drm_helper_connector_dpms, 1509 .detect = radeon_dp_detect, 1510 .fill_modes = drm_helper_probe_single_connector_modes, 1511 .set_property = radeon_lvds_set_property, 1512 .destroy = radeon_dp_connector_destroy, 1513 .force = radeon_dvi_force, 1514 }; 1515 1516 static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = { 1517 .dpms = drm_helper_connector_dpms, 1518 .detect = radeon_dp_detect, 1519 .fill_modes = drm_helper_probe_single_connector_modes, 1520 .set_property = radeon_lvds_set_property, 1521 .destroy = radeon_dp_connector_destroy, 1522 .force = radeon_dvi_force, 1523 }; 1524 1525 void 1526 radeon_add_atom_connector(struct drm_device *dev, 1527 uint32_t connector_id, 1528 uint32_t supported_device, 1529 int connector_type, 1530 struct radeon_i2c_bus_rec *i2c_bus, 1531 uint32_t igp_lane_info, 1532 uint16_t connector_object_id, 1533 struct radeon_hpd *hpd, 1534 struct radeon_router *router) 1535 { 1536 struct radeon_device *rdev = dev->dev_private; 1537 struct drm_connector *connector; 1538 struct radeon_connector *radeon_connector; 1539 struct radeon_connector_atom_dig *radeon_dig_connector; 1540 struct drm_encoder *encoder; 1541 struct radeon_encoder *radeon_encoder; 1542 uint32_t subpixel_order = SubPixelNone; 1543 bool shared_ddc = false; 1544 bool is_dp_bridge = false; 1545 1546 if (connector_type == DRM_MODE_CONNECTOR_Unknown) 1547 return; 1548 1549 /* if the user selected tv=0 don't try and add the connector */ 1550 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) || 1551 (connector_type == DRM_MODE_CONNECTOR_Composite) || 1552 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) && 1553 (radeon_tv == 0)) 1554 return; 1555 1556 /* see if we already added it */ 1557 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 1558 radeon_connector = to_radeon_connector(connector); 1559 if (radeon_connector->connector_id == connector_id) { 1560 radeon_connector->devices |= supported_device; 1561 return; 1562 } 1563 if (radeon_connector->ddc_bus && i2c_bus->valid) { 1564 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) { 1565 radeon_connector->shared_ddc = true; 1566 shared_ddc = true; 1567 } 1568 if (radeon_connector->router_bus && router->ddc_valid && 1569 (radeon_connector->router.router_id == router->router_id)) { 1570 radeon_connector->shared_ddc = false; 1571 shared_ddc = false; 1572 } 1573 } 1574 } 1575 1576 /* check if it's a dp bridge */ 1577 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 1578 radeon_encoder = to_radeon_encoder(encoder); 1579 if (radeon_encoder->devices & supported_device) { 1580 switch (radeon_encoder->encoder_id) { 1581 case ENCODER_OBJECT_ID_TRAVIS: 1582 case ENCODER_OBJECT_ID_NUTMEG: 1583 is_dp_bridge = true; 1584 break; 1585 default: 1586 break; 1587 } 1588 } 1589 } 1590 1591 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL); 1592 if (!radeon_connector) 1593 return; 1594 1595 connector = &radeon_connector->base; 1596 1597 radeon_connector->connector_id = connector_id; 1598 radeon_connector->devices = supported_device; 1599 radeon_connector->shared_ddc = shared_ddc; 1600 radeon_connector->connector_object_id = connector_object_id; 1601 radeon_connector->hpd = *hpd; 1602 1603 radeon_connector->router = *router; 1604 if (router->ddc_valid || router->cd_valid) { 1605 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info); 1606 if (!radeon_connector->router_bus) 1607 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n"); 1608 } 1609 1610 if (is_dp_bridge) { 1611 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1612 if (!radeon_dig_connector) 1613 goto failed; 1614 radeon_dig_connector->igp_lane_info = igp_lane_info; 1615 radeon_connector->con_priv = radeon_dig_connector; 1616 if (i2c_bus->valid) { 1617 /* add DP i2c bus */ 1618 if (connector_type == DRM_MODE_CONNECTOR_eDP) 1619 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch"); 1620 else 1621 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch"); 1622 if (!radeon_dig_connector->dp_i2c_bus) 1623 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n"); 1624 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1625 if (!radeon_connector->ddc_bus) 1626 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1627 } 1628 switch (connector_type) { 1629 case DRM_MODE_CONNECTOR_VGA: 1630 case DRM_MODE_CONNECTOR_DVIA: 1631 default: 1632 drm_connector_init(dev, &radeon_connector->base, 1633 &radeon_dp_connector_funcs, connector_type); 1634 drm_connector_helper_add(&radeon_connector->base, 1635 &radeon_dp_connector_helper_funcs); 1636 connector->interlace_allowed = true; 1637 connector->doublescan_allowed = true; 1638 radeon_connector->dac_load_detect = true; 1639 drm_object_attach_property(&radeon_connector->base.base, 1640 rdev->mode_info.load_detect_property, 1641 1); 1642 break; 1643 case DRM_MODE_CONNECTOR_DVII: 1644 case DRM_MODE_CONNECTOR_DVID: 1645 case DRM_MODE_CONNECTOR_HDMIA: 1646 case DRM_MODE_CONNECTOR_HDMIB: 1647 case DRM_MODE_CONNECTOR_DisplayPort: 1648 drm_connector_init(dev, &radeon_connector->base, 1649 &radeon_dp_connector_funcs, connector_type); 1650 drm_connector_helper_add(&radeon_connector->base, 1651 &radeon_dp_connector_helper_funcs); 1652 drm_object_attach_property(&radeon_connector->base.base, 1653 rdev->mode_info.underscan_property, 1654 UNDERSCAN_OFF); 1655 drm_object_attach_property(&radeon_connector->base.base, 1656 rdev->mode_info.underscan_hborder_property, 1657 0); 1658 drm_object_attach_property(&radeon_connector->base.base, 1659 rdev->mode_info.underscan_vborder_property, 1660 0); 1661 if (radeon_audio != 0) 1662 drm_object_attach_property(&radeon_connector->base.base, 1663 rdev->mode_info.audio_property, 1664 (radeon_audio == 1) ? 1665 RADEON_AUDIO_AUTO : 1666 RADEON_AUDIO_DISABLE); 1667 subpixel_order = SubPixelHorizontalRGB; 1668 connector->interlace_allowed = true; 1669 if (connector_type == DRM_MODE_CONNECTOR_HDMIB) 1670 connector->doublescan_allowed = true; 1671 else 1672 connector->doublescan_allowed = false; 1673 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 1674 radeon_connector->dac_load_detect = true; 1675 drm_object_attach_property(&radeon_connector->base.base, 1676 rdev->mode_info.load_detect_property, 1677 1); 1678 } 1679 break; 1680 case DRM_MODE_CONNECTOR_LVDS: 1681 case DRM_MODE_CONNECTOR_eDP: 1682 drm_connector_init(dev, &radeon_connector->base, 1683 &radeon_lvds_bridge_connector_funcs, connector_type); 1684 drm_connector_helper_add(&radeon_connector->base, 1685 &radeon_dp_connector_helper_funcs); 1686 drm_object_attach_property(&radeon_connector->base.base, 1687 dev->mode_config.scaling_mode_property, 1688 DRM_MODE_SCALE_FULLSCREEN); 1689 subpixel_order = SubPixelHorizontalRGB; 1690 connector->interlace_allowed = false; 1691 connector->doublescan_allowed = false; 1692 break; 1693 } 1694 } else { 1695 switch (connector_type) { 1696 case DRM_MODE_CONNECTOR_VGA: 1697 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 1698 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 1699 if (i2c_bus->valid) { 1700 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1701 if (!radeon_connector->ddc_bus) 1702 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1703 } 1704 radeon_connector->dac_load_detect = true; 1705 drm_object_attach_property(&radeon_connector->base.base, 1706 rdev->mode_info.load_detect_property, 1707 1); 1708 /* no HPD on analog connectors */ 1709 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 1710 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1711 connector->interlace_allowed = true; 1712 connector->doublescan_allowed = true; 1713 break; 1714 case DRM_MODE_CONNECTOR_DVIA: 1715 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 1716 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 1717 if (i2c_bus->valid) { 1718 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1719 if (!radeon_connector->ddc_bus) 1720 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1721 } 1722 radeon_connector->dac_load_detect = true; 1723 drm_object_attach_property(&radeon_connector->base.base, 1724 rdev->mode_info.load_detect_property, 1725 1); 1726 /* no HPD on analog connectors */ 1727 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 1728 connector->interlace_allowed = true; 1729 connector->doublescan_allowed = true; 1730 break; 1731 case DRM_MODE_CONNECTOR_DVII: 1732 case DRM_MODE_CONNECTOR_DVID: 1733 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1734 if (!radeon_dig_connector) 1735 goto failed; 1736 radeon_dig_connector->igp_lane_info = igp_lane_info; 1737 radeon_connector->con_priv = radeon_dig_connector; 1738 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); 1739 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 1740 if (i2c_bus->valid) { 1741 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1742 if (!radeon_connector->ddc_bus) 1743 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1744 } 1745 subpixel_order = SubPixelHorizontalRGB; 1746 drm_object_attach_property(&radeon_connector->base.base, 1747 rdev->mode_info.coherent_mode_property, 1748 1); 1749 if (ASIC_IS_AVIVO(rdev)) { 1750 drm_object_attach_property(&radeon_connector->base.base, 1751 rdev->mode_info.underscan_property, 1752 UNDERSCAN_OFF); 1753 drm_object_attach_property(&radeon_connector->base.base, 1754 rdev->mode_info.underscan_hborder_property, 1755 0); 1756 drm_object_attach_property(&radeon_connector->base.base, 1757 rdev->mode_info.underscan_vborder_property, 1758 0); 1759 } 1760 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) { 1761 drm_object_attach_property(&radeon_connector->base.base, 1762 rdev->mode_info.audio_property, 1763 (radeon_audio == 1) ? 1764 RADEON_AUDIO_AUTO : 1765 RADEON_AUDIO_DISABLE); 1766 } 1767 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 1768 radeon_connector->dac_load_detect = true; 1769 drm_object_attach_property(&radeon_connector->base.base, 1770 rdev->mode_info.load_detect_property, 1771 1); 1772 } 1773 connector->interlace_allowed = true; 1774 if (connector_type == DRM_MODE_CONNECTOR_DVII) 1775 connector->doublescan_allowed = true; 1776 else 1777 connector->doublescan_allowed = false; 1778 break; 1779 case DRM_MODE_CONNECTOR_HDMIA: 1780 case DRM_MODE_CONNECTOR_HDMIB: 1781 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1782 if (!radeon_dig_connector) 1783 goto failed; 1784 radeon_dig_connector->igp_lane_info = igp_lane_info; 1785 radeon_connector->con_priv = radeon_dig_connector; 1786 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); 1787 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 1788 if (i2c_bus->valid) { 1789 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1790 if (!radeon_connector->ddc_bus) 1791 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1792 } 1793 drm_object_attach_property(&radeon_connector->base.base, 1794 rdev->mode_info.coherent_mode_property, 1795 1); 1796 if (ASIC_IS_AVIVO(rdev)) { 1797 drm_object_attach_property(&radeon_connector->base.base, 1798 rdev->mode_info.underscan_property, 1799 UNDERSCAN_OFF); 1800 drm_object_attach_property(&radeon_connector->base.base, 1801 rdev->mode_info.underscan_hborder_property, 1802 0); 1803 drm_object_attach_property(&radeon_connector->base.base, 1804 rdev->mode_info.underscan_vborder_property, 1805 0); 1806 } 1807 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) { 1808 drm_object_attach_property(&radeon_connector->base.base, 1809 rdev->mode_info.audio_property, 1810 (radeon_audio == 1) ? 1811 RADEON_AUDIO_AUTO : 1812 RADEON_AUDIO_DISABLE); 1813 } 1814 subpixel_order = SubPixelHorizontalRGB; 1815 connector->interlace_allowed = true; 1816 if (connector_type == DRM_MODE_CONNECTOR_HDMIB) 1817 connector->doublescan_allowed = true; 1818 else 1819 connector->doublescan_allowed = false; 1820 break; 1821 case DRM_MODE_CONNECTOR_DisplayPort: 1822 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1823 if (!radeon_dig_connector) 1824 goto failed; 1825 radeon_dig_connector->igp_lane_info = igp_lane_info; 1826 radeon_connector->con_priv = radeon_dig_connector; 1827 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type); 1828 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); 1829 if (i2c_bus->valid) { 1830 /* add DP i2c bus */ 1831 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch"); 1832 if (!radeon_dig_connector->dp_i2c_bus) 1833 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n"); 1834 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1835 if (!radeon_connector->ddc_bus) 1836 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1837 } 1838 subpixel_order = SubPixelHorizontalRGB; 1839 drm_object_attach_property(&radeon_connector->base.base, 1840 rdev->mode_info.coherent_mode_property, 1841 1); 1842 if (ASIC_IS_AVIVO(rdev)) { 1843 drm_object_attach_property(&radeon_connector->base.base, 1844 rdev->mode_info.underscan_property, 1845 UNDERSCAN_OFF); 1846 drm_object_attach_property(&radeon_connector->base.base, 1847 rdev->mode_info.underscan_hborder_property, 1848 0); 1849 drm_object_attach_property(&radeon_connector->base.base, 1850 rdev->mode_info.underscan_vborder_property, 1851 0); 1852 } 1853 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) { 1854 drm_object_attach_property(&radeon_connector->base.base, 1855 rdev->mode_info.audio_property, 1856 (radeon_audio == 1) ? 1857 RADEON_AUDIO_AUTO : 1858 RADEON_AUDIO_DISABLE); 1859 } 1860 connector->interlace_allowed = true; 1861 /* in theory with a DP to VGA converter... */ 1862 connector->doublescan_allowed = false; 1863 break; 1864 case DRM_MODE_CONNECTOR_eDP: 1865 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1866 if (!radeon_dig_connector) 1867 goto failed; 1868 radeon_dig_connector->igp_lane_info = igp_lane_info; 1869 radeon_connector->con_priv = radeon_dig_connector; 1870 drm_connector_init(dev, &radeon_connector->base, &radeon_edp_connector_funcs, connector_type); 1871 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); 1872 if (i2c_bus->valid) { 1873 /* add DP i2c bus */ 1874 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch"); 1875 if (!radeon_dig_connector->dp_i2c_bus) 1876 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n"); 1877 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1878 if (!radeon_connector->ddc_bus) 1879 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1880 } 1881 drm_object_attach_property(&radeon_connector->base.base, 1882 dev->mode_config.scaling_mode_property, 1883 DRM_MODE_SCALE_FULLSCREEN); 1884 subpixel_order = SubPixelHorizontalRGB; 1885 connector->interlace_allowed = false; 1886 connector->doublescan_allowed = false; 1887 break; 1888 case DRM_MODE_CONNECTOR_SVIDEO: 1889 case DRM_MODE_CONNECTOR_Composite: 1890 case DRM_MODE_CONNECTOR_9PinDIN: 1891 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type); 1892 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs); 1893 radeon_connector->dac_load_detect = true; 1894 drm_object_attach_property(&radeon_connector->base.base, 1895 rdev->mode_info.load_detect_property, 1896 1); 1897 drm_object_attach_property(&radeon_connector->base.base, 1898 rdev->mode_info.tv_std_property, 1899 radeon_atombios_get_tv_info(rdev)); 1900 /* no HPD on analog connectors */ 1901 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 1902 connector->interlace_allowed = false; 1903 connector->doublescan_allowed = false; 1904 break; 1905 case DRM_MODE_CONNECTOR_LVDS: 1906 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1907 if (!radeon_dig_connector) 1908 goto failed; 1909 radeon_dig_connector->igp_lane_info = igp_lane_info; 1910 radeon_connector->con_priv = radeon_dig_connector; 1911 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type); 1912 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs); 1913 if (i2c_bus->valid) { 1914 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1915 if (!radeon_connector->ddc_bus) 1916 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1917 } 1918 drm_object_attach_property(&radeon_connector->base.base, 1919 dev->mode_config.scaling_mode_property, 1920 DRM_MODE_SCALE_FULLSCREEN); 1921 subpixel_order = SubPixelHorizontalRGB; 1922 connector->interlace_allowed = false; 1923 connector->doublescan_allowed = false; 1924 break; 1925 } 1926 } 1927 1928 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) { 1929 if (i2c_bus->valid) 1930 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1931 } else 1932 connector->polled = DRM_CONNECTOR_POLL_HPD; 1933 1934 connector->display_info.subpixel_order = subpixel_order; 1935 drm_sysfs_connector_add(connector); 1936 return; 1937 1938 failed: 1939 drm_connector_cleanup(connector); 1940 kfree(connector); 1941 } 1942 1943 void 1944 radeon_add_legacy_connector(struct drm_device *dev, 1945 uint32_t connector_id, 1946 uint32_t supported_device, 1947 int connector_type, 1948 struct radeon_i2c_bus_rec *i2c_bus, 1949 uint16_t connector_object_id, 1950 struct radeon_hpd *hpd) 1951 { 1952 struct radeon_device *rdev = dev->dev_private; 1953 struct drm_connector *connector; 1954 struct radeon_connector *radeon_connector; 1955 uint32_t subpixel_order = SubPixelNone; 1956 1957 if (connector_type == DRM_MODE_CONNECTOR_Unknown) 1958 return; 1959 1960 /* if the user selected tv=0 don't try and add the connector */ 1961 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) || 1962 (connector_type == DRM_MODE_CONNECTOR_Composite) || 1963 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) && 1964 (radeon_tv == 0)) 1965 return; 1966 1967 /* see if we already added it */ 1968 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 1969 radeon_connector = to_radeon_connector(connector); 1970 if (radeon_connector->connector_id == connector_id) { 1971 radeon_connector->devices |= supported_device; 1972 return; 1973 } 1974 } 1975 1976 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL); 1977 if (!radeon_connector) 1978 return; 1979 1980 connector = &radeon_connector->base; 1981 1982 radeon_connector->connector_id = connector_id; 1983 radeon_connector->devices = supported_device; 1984 radeon_connector->connector_object_id = connector_object_id; 1985 radeon_connector->hpd = *hpd; 1986 1987 switch (connector_type) { 1988 case DRM_MODE_CONNECTOR_VGA: 1989 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 1990 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 1991 if (i2c_bus->valid) { 1992 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1993 if (!radeon_connector->ddc_bus) 1994 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1995 } 1996 radeon_connector->dac_load_detect = true; 1997 drm_object_attach_property(&radeon_connector->base.base, 1998 rdev->mode_info.load_detect_property, 1999 1); 2000 /* no HPD on analog connectors */ 2001 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2002 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 2003 connector->interlace_allowed = true; 2004 connector->doublescan_allowed = true; 2005 break; 2006 case DRM_MODE_CONNECTOR_DVIA: 2007 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 2008 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2009 if (i2c_bus->valid) { 2010 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2011 if (!radeon_connector->ddc_bus) 2012 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2013 } 2014 radeon_connector->dac_load_detect = true; 2015 drm_object_attach_property(&radeon_connector->base.base, 2016 rdev->mode_info.load_detect_property, 2017 1); 2018 /* no HPD on analog connectors */ 2019 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2020 connector->interlace_allowed = true; 2021 connector->doublescan_allowed = true; 2022 break; 2023 case DRM_MODE_CONNECTOR_DVII: 2024 case DRM_MODE_CONNECTOR_DVID: 2025 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); 2026 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 2027 if (i2c_bus->valid) { 2028 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2029 if (!radeon_connector->ddc_bus) 2030 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2031 } 2032 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 2033 radeon_connector->dac_load_detect = true; 2034 drm_object_attach_property(&radeon_connector->base.base, 2035 rdev->mode_info.load_detect_property, 2036 1); 2037 } 2038 subpixel_order = SubPixelHorizontalRGB; 2039 connector->interlace_allowed = true; 2040 if (connector_type == DRM_MODE_CONNECTOR_DVII) 2041 connector->doublescan_allowed = true; 2042 else 2043 connector->doublescan_allowed = false; 2044 break; 2045 case DRM_MODE_CONNECTOR_SVIDEO: 2046 case DRM_MODE_CONNECTOR_Composite: 2047 case DRM_MODE_CONNECTOR_9PinDIN: 2048 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type); 2049 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs); 2050 radeon_connector->dac_load_detect = true; 2051 /* RS400,RC410,RS480 chipset seems to report a lot 2052 * of false positive on load detect, we haven't yet 2053 * found a way to make load detect reliable on those 2054 * chipset, thus just disable it for TV. 2055 */ 2056 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480) 2057 radeon_connector->dac_load_detect = false; 2058 drm_object_attach_property(&radeon_connector->base.base, 2059 rdev->mode_info.load_detect_property, 2060 radeon_connector->dac_load_detect); 2061 drm_object_attach_property(&radeon_connector->base.base, 2062 rdev->mode_info.tv_std_property, 2063 radeon_combios_get_tv_info(rdev)); 2064 /* no HPD on analog connectors */ 2065 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2066 connector->interlace_allowed = false; 2067 connector->doublescan_allowed = false; 2068 break; 2069 case DRM_MODE_CONNECTOR_LVDS: 2070 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type); 2071 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs); 2072 if (i2c_bus->valid) { 2073 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2074 if (!radeon_connector->ddc_bus) 2075 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2076 } 2077 drm_object_attach_property(&radeon_connector->base.base, 2078 dev->mode_config.scaling_mode_property, 2079 DRM_MODE_SCALE_FULLSCREEN); 2080 subpixel_order = SubPixelHorizontalRGB; 2081 connector->interlace_allowed = false; 2082 connector->doublescan_allowed = false; 2083 break; 2084 } 2085 2086 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) { 2087 if (i2c_bus->valid) 2088 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 2089 } else 2090 connector->polled = DRM_CONNECTOR_POLL_HPD; 2091 connector->display_info.subpixel_order = subpixel_order; 2092 drm_sysfs_connector_add(connector); 2093 } 2094