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/drm_dp_mst_helper.h> 31 #include <drm/radeon_drm.h> 32 #include "radeon.h" 33 #include "radeon_audio.h" 34 #include "atom.h" 35 36 #include <linux/pm_runtime.h> 37 38 static int radeon_dp_handle_hpd(struct drm_connector *connector) 39 { 40 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 41 int ret; 42 43 ret = radeon_dp_mst_check_status(radeon_connector); 44 if (ret == -EINVAL) 45 return 1; 46 return 0; 47 } 48 void radeon_connector_hotplug(struct drm_connector *connector) 49 { 50 struct drm_device *dev = connector->dev; 51 struct radeon_device *rdev = dev->dev_private; 52 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 53 54 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) { 55 struct radeon_connector_atom_dig *dig_connector = 56 radeon_connector->con_priv; 57 58 if (radeon_connector->is_mst_connector) 59 return; 60 if (dig_connector->is_mst) { 61 radeon_dp_handle_hpd(connector); 62 return; 63 } 64 } 65 /* bail if the connector does not have hpd pin, e.g., 66 * VGA, TV, etc. 67 */ 68 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) 69 return; 70 71 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); 72 73 /* if the connector is already off, don't turn it back on */ 74 /* FIXME: This access isn't protected by any locks. */ 75 if (connector->dpms != DRM_MODE_DPMS_ON) 76 return; 77 78 /* just deal with DP (not eDP) here. */ 79 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) { 80 struct radeon_connector_atom_dig *dig_connector = 81 radeon_connector->con_priv; 82 83 /* if existing sink type was not DP no need to retrain */ 84 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT) 85 return; 86 87 /* first get sink type as it may be reset after (un)plug */ 88 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector); 89 /* don't do anything if sink is not display port, i.e., 90 * passive dp->(dvi|hdmi) adaptor 91 */ 92 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) { 93 int saved_dpms = connector->dpms; 94 /* Only turn off the display if it's physically disconnected */ 95 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { 96 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); 97 } else if (radeon_dp_needs_link_train(radeon_connector)) { 98 /* set it to OFF so that drm_helper_connector_dpms() 99 * won't return immediately since the current state 100 * is ON at this point. 101 */ 102 connector->dpms = DRM_MODE_DPMS_OFF; 103 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); 104 } 105 connector->dpms = saved_dpms; 106 } 107 } 108 } 109 110 static void radeon_property_change_mode(struct drm_encoder *encoder) 111 { 112 struct drm_crtc *crtc = encoder->crtc; 113 114 if (crtc && crtc->enabled) { 115 drm_crtc_helper_set_mode(crtc, &crtc->mode, 116 crtc->x, crtc->y, crtc->primary->fb); 117 } 118 } 119 120 int radeon_get_monitor_bpc(struct drm_connector *connector) 121 { 122 struct drm_device *dev = connector->dev; 123 struct radeon_device *rdev = dev->dev_private; 124 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 125 struct radeon_connector_atom_dig *dig_connector; 126 int bpc = 8; 127 int mode_clock, max_tmds_clock; 128 129 switch (connector->connector_type) { 130 case DRM_MODE_CONNECTOR_DVII: 131 case DRM_MODE_CONNECTOR_HDMIB: 132 if (radeon_connector->use_digital) { 133 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 134 if (connector->display_info.bpc) 135 bpc = connector->display_info.bpc; 136 } 137 } 138 break; 139 case DRM_MODE_CONNECTOR_DVID: 140 case DRM_MODE_CONNECTOR_HDMIA: 141 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 142 if (connector->display_info.bpc) 143 bpc = connector->display_info.bpc; 144 } 145 break; 146 case DRM_MODE_CONNECTOR_DisplayPort: 147 dig_connector = radeon_connector->con_priv; 148 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 149 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) || 150 drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 151 if (connector->display_info.bpc) 152 bpc = connector->display_info.bpc; 153 } 154 break; 155 case DRM_MODE_CONNECTOR_eDP: 156 case DRM_MODE_CONNECTOR_LVDS: 157 if (connector->display_info.bpc) 158 bpc = connector->display_info.bpc; 159 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) { 160 const struct drm_connector_helper_funcs *connector_funcs = 161 connector->helper_private; 162 struct drm_encoder *encoder = connector_funcs->best_encoder(connector); 163 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 164 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; 165 166 if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR) 167 bpc = 6; 168 else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR) 169 bpc = 8; 170 } 171 break; 172 } 173 174 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 175 /* hdmi deep color only implemented on DCE4+ */ 176 if ((bpc > 8) && !ASIC_IS_DCE4(rdev)) { 177 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 8 bpc.\n", 178 connector->name, bpc); 179 bpc = 8; 180 } 181 182 /* 183 * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make 184 * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at 185 * 12 bpc is always supported on hdmi deep color sinks, as this is 186 * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum. 187 */ 188 if (bpc > 12) { 189 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n", 190 connector->name, bpc); 191 bpc = 12; 192 } 193 194 /* Any defined maximum tmds clock limit we must not exceed? */ 195 if (connector->max_tmds_clock > 0) { 196 /* mode_clock is clock in kHz for mode to be modeset on this connector */ 197 mode_clock = radeon_connector->pixelclock_for_modeset; 198 199 /* Maximum allowable input clock in kHz */ 200 max_tmds_clock = connector->max_tmds_clock * 1000; 201 202 DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n", 203 connector->name, mode_clock, max_tmds_clock); 204 205 /* Check if bpc is within clock limit. Try to degrade gracefully otherwise */ 206 if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) { 207 if ((connector->display_info.edid_hdmi_dc_modes & DRM_EDID_HDMI_DC_30) && 208 (mode_clock * 5/4 <= max_tmds_clock)) 209 bpc = 10; 210 else 211 bpc = 8; 212 213 DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n", 214 connector->name, bpc); 215 } 216 217 if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) { 218 bpc = 8; 219 DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n", 220 connector->name, bpc); 221 } 222 } 223 else if (bpc > 8) { 224 /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */ 225 DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n", 226 connector->name); 227 bpc = 8; 228 } 229 } 230 231 if ((radeon_deep_color == 0) && (bpc > 8)) { 232 DRM_DEBUG("%s: Deep color disabled. Set radeon module param deep_color=1 to enable.\n", 233 connector->name); 234 bpc = 8; 235 } 236 237 DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n", 238 connector->name, connector->display_info.bpc, bpc); 239 240 return bpc; 241 } 242 243 static void 244 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status) 245 { 246 struct drm_device *dev = connector->dev; 247 struct radeon_device *rdev = dev->dev_private; 248 struct drm_encoder *best_encoder = NULL; 249 struct drm_encoder *encoder = NULL; 250 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 251 bool connected; 252 int i; 253 254 best_encoder = connector_funcs->best_encoder(connector); 255 256 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 257 if (connector->encoder_ids[i] == 0) 258 break; 259 260 encoder = drm_encoder_find(connector->dev, 261 connector->encoder_ids[i]); 262 if (!encoder) 263 continue; 264 265 if ((encoder == best_encoder) && (status == connector_status_connected)) 266 connected = true; 267 else 268 connected = false; 269 270 if (rdev->is_atom_bios) 271 radeon_atombios_connected_scratch_regs(connector, encoder, connected); 272 else 273 radeon_combios_connected_scratch_regs(connector, encoder, connected); 274 275 } 276 } 277 278 static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type) 279 { 280 struct drm_encoder *encoder; 281 int i; 282 283 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 284 if (connector->encoder_ids[i] == 0) 285 break; 286 287 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]); 288 if (!encoder) 289 continue; 290 291 if (encoder->encoder_type == encoder_type) 292 return encoder; 293 } 294 return NULL; 295 } 296 297 struct edid *radeon_connector_edid(struct drm_connector *connector) 298 { 299 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 300 struct drm_property_blob *edid_blob = connector->edid_blob_ptr; 301 302 if (radeon_connector->edid) { 303 return radeon_connector->edid; 304 } else if (edid_blob) { 305 struct edid *edid = kmemdup(edid_blob->data, edid_blob->length, GFP_KERNEL); 306 if (edid) 307 radeon_connector->edid = edid; 308 } 309 return radeon_connector->edid; 310 } 311 312 static void radeon_connector_get_edid(struct drm_connector *connector) 313 { 314 struct drm_device *dev = connector->dev; 315 struct radeon_device *rdev = dev->dev_private; 316 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 317 318 if (radeon_connector->edid) 319 return; 320 321 /* on hw with routers, select right port */ 322 if (radeon_connector->router.ddc_valid) 323 radeon_router_select_ddc_port(radeon_connector); 324 325 if ((radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 326 ENCODER_OBJECT_ID_NONE) && 327 radeon_connector->ddc_bus->has_aux) { 328 radeon_connector->edid = drm_get_edid(connector, 329 &radeon_connector->ddc_bus->aux.ddc); 330 } else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) || 331 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) { 332 struct radeon_connector_atom_dig *dig = radeon_connector->con_priv; 333 334 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT || 335 dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) && 336 radeon_connector->ddc_bus->has_aux) 337 radeon_connector->edid = drm_get_edid(&radeon_connector->base, 338 &radeon_connector->ddc_bus->aux.ddc); 339 else if (radeon_connector->ddc_bus) 340 radeon_connector->edid = drm_get_edid(&radeon_connector->base, 341 &radeon_connector->ddc_bus->adapter); 342 } else if (radeon_connector->ddc_bus) { 343 radeon_connector->edid = drm_get_edid(&radeon_connector->base, 344 &radeon_connector->ddc_bus->adapter); 345 } 346 347 if (!radeon_connector->edid) { 348 /* don't fetch the edid from the vbios if ddc fails and runpm is 349 * enabled so we report disconnected. 350 */ 351 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0)) 352 return; 353 354 if (rdev->is_atom_bios) { 355 /* some laptops provide a hardcoded edid in rom for LCDs */ 356 if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) || 357 (connector->connector_type == DRM_MODE_CONNECTOR_eDP))) 358 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev); 359 } else { 360 /* some servers provide a hardcoded edid in rom for KVMs */ 361 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev); 362 } 363 } 364 } 365 366 static void radeon_connector_free_edid(struct drm_connector *connector) 367 { 368 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 369 370 if (radeon_connector->edid) { 371 kfree(radeon_connector->edid); 372 radeon_connector->edid = NULL; 373 } 374 } 375 376 static int radeon_ddc_get_modes(struct drm_connector *connector) 377 { 378 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 379 int ret; 380 381 if (radeon_connector->edid) { 382 drm_mode_connector_update_edid_property(connector, radeon_connector->edid); 383 ret = drm_add_edid_modes(connector, radeon_connector->edid); 384 drm_edid_to_eld(connector, radeon_connector->edid); 385 return ret; 386 } 387 drm_mode_connector_update_edid_property(connector, NULL); 388 return 0; 389 } 390 391 static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector) 392 { 393 int enc_id = connector->encoder_ids[0]; 394 /* pick the encoder ids */ 395 if (enc_id) 396 return drm_encoder_find(connector->dev, enc_id); 397 return NULL; 398 } 399 400 static void radeon_get_native_mode(struct drm_connector *connector) 401 { 402 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 403 struct radeon_encoder *radeon_encoder; 404 405 if (encoder == NULL) 406 return; 407 408 radeon_encoder = to_radeon_encoder(encoder); 409 410 if (!list_empty(&connector->probed_modes)) { 411 struct drm_display_mode *preferred_mode = 412 list_first_entry(&connector->probed_modes, 413 struct drm_display_mode, head); 414 415 radeon_encoder->native_mode = *preferred_mode; 416 } else { 417 radeon_encoder->native_mode.clock = 0; 418 } 419 } 420 421 /* 422 * radeon_connector_analog_encoder_conflict_solve 423 * - search for other connectors sharing this encoder 424 * if priority is true, then set them disconnected if this is connected 425 * if priority is false, set us disconnected if they are connected 426 */ 427 static enum drm_connector_status 428 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector, 429 struct drm_encoder *encoder, 430 enum drm_connector_status current_status, 431 bool priority) 432 { 433 struct drm_device *dev = connector->dev; 434 struct drm_connector *conflict; 435 struct radeon_connector *radeon_conflict; 436 int i; 437 438 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) { 439 if (conflict == connector) 440 continue; 441 442 radeon_conflict = to_radeon_connector(conflict); 443 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 444 if (conflict->encoder_ids[i] == 0) 445 break; 446 447 /* if the IDs match */ 448 if (conflict->encoder_ids[i] == encoder->base.id) { 449 if (conflict->status != connector_status_connected) 450 continue; 451 452 if (radeon_conflict->use_digital) 453 continue; 454 455 if (priority == true) { 456 DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", 457 conflict->name); 458 DRM_DEBUG_KMS("in favor of %s\n", 459 connector->name); 460 conflict->status = connector_status_disconnected; 461 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected); 462 } else { 463 DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", 464 connector->name); 465 DRM_DEBUG_KMS("in favor of %s\n", 466 conflict->name); 467 current_status = connector_status_disconnected; 468 } 469 break; 470 } 471 } 472 } 473 return current_status; 474 475 } 476 477 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder) 478 { 479 struct drm_device *dev = encoder->dev; 480 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 481 struct drm_display_mode *mode = NULL; 482 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 483 484 if (native_mode->hdisplay != 0 && 485 native_mode->vdisplay != 0 && 486 native_mode->clock != 0) { 487 mode = drm_mode_duplicate(dev, native_mode); 488 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; 489 drm_mode_set_name(mode); 490 491 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name); 492 } else if (native_mode->hdisplay != 0 && 493 native_mode->vdisplay != 0) { 494 /* mac laptops without an edid */ 495 /* Note that this is not necessarily the exact panel mode, 496 * but an approximation based on the cvt formula. For these 497 * systems we should ideally read the mode info out of the 498 * registers or add a mode table, but this works and is much 499 * simpler. 500 */ 501 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false); 502 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; 503 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name); 504 } 505 return mode; 506 } 507 508 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector) 509 { 510 struct drm_device *dev = encoder->dev; 511 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 512 struct drm_display_mode *mode = NULL; 513 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 514 int i; 515 struct mode_size { 516 int w; 517 int h; 518 } common_modes[17] = { 519 { 640, 480}, 520 { 720, 480}, 521 { 800, 600}, 522 { 848, 480}, 523 {1024, 768}, 524 {1152, 768}, 525 {1280, 720}, 526 {1280, 800}, 527 {1280, 854}, 528 {1280, 960}, 529 {1280, 1024}, 530 {1440, 900}, 531 {1400, 1050}, 532 {1680, 1050}, 533 {1600, 1200}, 534 {1920, 1080}, 535 {1920, 1200} 536 }; 537 538 for (i = 0; i < 17; i++) { 539 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) { 540 if (common_modes[i].w > 1024 || 541 common_modes[i].h > 768) 542 continue; 543 } 544 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { 545 if (common_modes[i].w > native_mode->hdisplay || 546 common_modes[i].h > native_mode->vdisplay || 547 (common_modes[i].w == native_mode->hdisplay && 548 common_modes[i].h == native_mode->vdisplay)) 549 continue; 550 } 551 if (common_modes[i].w < 320 || common_modes[i].h < 200) 552 continue; 553 554 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false); 555 drm_mode_probed_add(connector, mode); 556 } 557 } 558 559 static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property, 560 uint64_t val) 561 { 562 struct drm_device *dev = connector->dev; 563 struct radeon_device *rdev = dev->dev_private; 564 struct drm_encoder *encoder; 565 struct radeon_encoder *radeon_encoder; 566 567 if (property == rdev->mode_info.coherent_mode_property) { 568 struct radeon_encoder_atom_dig *dig; 569 bool new_coherent_mode; 570 571 /* need to find digital encoder on connector */ 572 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 573 if (!encoder) 574 return 0; 575 576 radeon_encoder = to_radeon_encoder(encoder); 577 578 if (!radeon_encoder->enc_priv) 579 return 0; 580 581 dig = radeon_encoder->enc_priv; 582 new_coherent_mode = val ? true : false; 583 if (dig->coherent_mode != new_coherent_mode) { 584 dig->coherent_mode = new_coherent_mode; 585 radeon_property_change_mode(&radeon_encoder->base); 586 } 587 } 588 589 if (property == rdev->mode_info.audio_property) { 590 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 591 /* need to find digital encoder on connector */ 592 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 593 if (!encoder) 594 return 0; 595 596 radeon_encoder = to_radeon_encoder(encoder); 597 598 if (radeon_connector->audio != val) { 599 radeon_connector->audio = val; 600 radeon_property_change_mode(&radeon_encoder->base); 601 } 602 } 603 604 if (property == rdev->mode_info.dither_property) { 605 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 606 /* need to find digital encoder on connector */ 607 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 608 if (!encoder) 609 return 0; 610 611 radeon_encoder = to_radeon_encoder(encoder); 612 613 if (radeon_connector->dither != val) { 614 radeon_connector->dither = val; 615 radeon_property_change_mode(&radeon_encoder->base); 616 } 617 } 618 619 if (property == rdev->mode_info.underscan_property) { 620 /* need to find digital encoder on connector */ 621 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 622 if (!encoder) 623 return 0; 624 625 radeon_encoder = to_radeon_encoder(encoder); 626 627 if (radeon_encoder->underscan_type != val) { 628 radeon_encoder->underscan_type = val; 629 radeon_property_change_mode(&radeon_encoder->base); 630 } 631 } 632 633 if (property == rdev->mode_info.underscan_hborder_property) { 634 /* need to find digital encoder on connector */ 635 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 636 if (!encoder) 637 return 0; 638 639 radeon_encoder = to_radeon_encoder(encoder); 640 641 if (radeon_encoder->underscan_hborder != val) { 642 radeon_encoder->underscan_hborder = val; 643 radeon_property_change_mode(&radeon_encoder->base); 644 } 645 } 646 647 if (property == rdev->mode_info.underscan_vborder_property) { 648 /* need to find digital encoder on connector */ 649 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 650 if (!encoder) 651 return 0; 652 653 radeon_encoder = to_radeon_encoder(encoder); 654 655 if (radeon_encoder->underscan_vborder != val) { 656 radeon_encoder->underscan_vborder = val; 657 radeon_property_change_mode(&radeon_encoder->base); 658 } 659 } 660 661 if (property == rdev->mode_info.tv_std_property) { 662 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC); 663 if (!encoder) { 664 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC); 665 } 666 667 if (!encoder) 668 return 0; 669 670 radeon_encoder = to_radeon_encoder(encoder); 671 if (!radeon_encoder->enc_priv) 672 return 0; 673 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) { 674 struct radeon_encoder_atom_dac *dac_int; 675 dac_int = radeon_encoder->enc_priv; 676 dac_int->tv_std = val; 677 } else { 678 struct radeon_encoder_tv_dac *dac_int; 679 dac_int = radeon_encoder->enc_priv; 680 dac_int->tv_std = val; 681 } 682 radeon_property_change_mode(&radeon_encoder->base); 683 } 684 685 if (property == rdev->mode_info.load_detect_property) { 686 struct radeon_connector *radeon_connector = 687 to_radeon_connector(connector); 688 689 if (val == 0) 690 radeon_connector->dac_load_detect = false; 691 else 692 radeon_connector->dac_load_detect = true; 693 } 694 695 if (property == rdev->mode_info.tmds_pll_property) { 696 struct radeon_encoder_int_tmds *tmds = NULL; 697 bool ret = false; 698 /* need to find digital encoder on connector */ 699 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 700 if (!encoder) 701 return 0; 702 703 radeon_encoder = to_radeon_encoder(encoder); 704 705 tmds = radeon_encoder->enc_priv; 706 if (!tmds) 707 return 0; 708 709 if (val == 0) { 710 if (rdev->is_atom_bios) 711 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds); 712 else 713 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds); 714 } 715 if (val == 1 || ret == false) { 716 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds); 717 } 718 radeon_property_change_mode(&radeon_encoder->base); 719 } 720 721 if (property == dev->mode_config.scaling_mode_property) { 722 enum radeon_rmx_type rmx_type; 723 724 if (connector->encoder) 725 radeon_encoder = to_radeon_encoder(connector->encoder); 726 else { 727 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 728 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); 729 } 730 731 switch (val) { 732 default: 733 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break; 734 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break; 735 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break; 736 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break; 737 } 738 if (radeon_encoder->rmx_type == rmx_type) 739 return 0; 740 741 if ((rmx_type != DRM_MODE_SCALE_NONE) && 742 (radeon_encoder->native_mode.clock == 0)) 743 return 0; 744 745 radeon_encoder->rmx_type = rmx_type; 746 747 radeon_property_change_mode(&radeon_encoder->base); 748 } 749 750 if (property == rdev->mode_info.output_csc_property) { 751 if (connector->encoder) 752 radeon_encoder = to_radeon_encoder(connector->encoder); 753 else { 754 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 755 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); 756 } 757 758 if (radeon_encoder->output_csc == val) 759 return 0; 760 761 radeon_encoder->output_csc = val; 762 763 if (connector->encoder->crtc) { 764 struct drm_crtc *crtc = connector->encoder->crtc; 765 const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; 766 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 767 768 radeon_crtc->output_csc = radeon_encoder->output_csc; 769 770 (*crtc_funcs->load_lut)(crtc); 771 } 772 } 773 774 return 0; 775 } 776 777 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder, 778 struct drm_connector *connector) 779 { 780 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 781 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 782 struct drm_display_mode *t, *mode; 783 784 /* If the EDID preferred mode doesn't match the native mode, use it */ 785 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) { 786 if (mode->type & DRM_MODE_TYPE_PREFERRED) { 787 if (mode->hdisplay != native_mode->hdisplay || 788 mode->vdisplay != native_mode->vdisplay) 789 memcpy(native_mode, mode, sizeof(*mode)); 790 } 791 } 792 793 /* Try to get native mode details from EDID if necessary */ 794 if (!native_mode->clock) { 795 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) { 796 if (mode->hdisplay == native_mode->hdisplay && 797 mode->vdisplay == native_mode->vdisplay) { 798 *native_mode = *mode; 799 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V); 800 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n"); 801 break; 802 } 803 } 804 } 805 806 if (!native_mode->clock) { 807 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n"); 808 radeon_encoder->rmx_type = RMX_OFF; 809 } 810 } 811 812 static int radeon_lvds_get_modes(struct drm_connector *connector) 813 { 814 struct drm_encoder *encoder; 815 int ret = 0; 816 struct drm_display_mode *mode; 817 818 radeon_connector_get_edid(connector); 819 ret = radeon_ddc_get_modes(connector); 820 if (ret > 0) { 821 encoder = radeon_best_single_encoder(connector); 822 if (encoder) { 823 radeon_fixup_lvds_native_mode(encoder, connector); 824 /* add scaled modes */ 825 radeon_add_common_modes(encoder, connector); 826 } 827 return ret; 828 } 829 830 encoder = radeon_best_single_encoder(connector); 831 if (!encoder) 832 return 0; 833 834 /* we have no EDID modes */ 835 mode = radeon_fp_native_mode(encoder); 836 if (mode) { 837 ret = 1; 838 drm_mode_probed_add(connector, mode); 839 /* add the width/height from vbios tables if available */ 840 connector->display_info.width_mm = mode->width_mm; 841 connector->display_info.height_mm = mode->height_mm; 842 /* add scaled modes */ 843 radeon_add_common_modes(encoder, connector); 844 } 845 846 return ret; 847 } 848 849 static int radeon_lvds_mode_valid(struct drm_connector *connector, 850 struct drm_display_mode *mode) 851 { 852 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 853 854 if ((mode->hdisplay < 320) || (mode->vdisplay < 240)) 855 return MODE_PANEL; 856 857 if (encoder) { 858 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 859 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 860 861 /* AVIVO hardware supports downscaling modes larger than the panel 862 * to the panel size, but I'm not sure this is desirable. 863 */ 864 if ((mode->hdisplay > native_mode->hdisplay) || 865 (mode->vdisplay > native_mode->vdisplay)) 866 return MODE_PANEL; 867 868 /* if scaling is disabled, block non-native modes */ 869 if (radeon_encoder->rmx_type == RMX_OFF) { 870 if ((mode->hdisplay != native_mode->hdisplay) || 871 (mode->vdisplay != native_mode->vdisplay)) 872 return MODE_PANEL; 873 } 874 } 875 876 return MODE_OK; 877 } 878 879 static enum drm_connector_status 880 radeon_lvds_detect(struct drm_connector *connector, bool force) 881 { 882 struct drm_device *dev = connector->dev; 883 struct radeon_device *rdev = dev->dev_private; 884 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 885 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 886 enum drm_connector_status ret = connector_status_disconnected; 887 int r; 888 889 r = pm_runtime_get_sync(connector->dev->dev); 890 if (r < 0) 891 return connector_status_disconnected; 892 893 if (encoder) { 894 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 895 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 896 897 /* check if panel is valid */ 898 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240) 899 ret = connector_status_connected; 900 /* don't fetch the edid from the vbios if ddc fails and runpm is 901 * enabled so we report disconnected. 902 */ 903 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0)) 904 ret = connector_status_disconnected; 905 } 906 907 /* check for edid as well */ 908 radeon_connector_get_edid(connector); 909 if (radeon_connector->edid) 910 ret = connector_status_connected; 911 /* check acpi lid status ??? */ 912 913 radeon_connector_update_scratch_regs(connector, ret); 914 pm_runtime_mark_last_busy(connector->dev->dev); 915 pm_runtime_put_autosuspend(connector->dev->dev); 916 return ret; 917 } 918 919 static void radeon_connector_destroy(struct drm_connector *connector) 920 { 921 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 922 923 radeon_connector_free_edid(connector); 924 kfree(radeon_connector->con_priv); 925 drm_connector_unregister(connector); 926 drm_connector_cleanup(connector); 927 kfree(connector); 928 } 929 930 static int radeon_lvds_set_property(struct drm_connector *connector, 931 struct drm_property *property, 932 uint64_t value) 933 { 934 struct drm_device *dev = connector->dev; 935 struct radeon_encoder *radeon_encoder; 936 enum radeon_rmx_type rmx_type; 937 938 DRM_DEBUG_KMS("\n"); 939 if (property != dev->mode_config.scaling_mode_property) 940 return 0; 941 942 if (connector->encoder) 943 radeon_encoder = to_radeon_encoder(connector->encoder); 944 else { 945 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 946 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); 947 } 948 949 switch (value) { 950 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break; 951 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break; 952 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break; 953 default: 954 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break; 955 } 956 if (radeon_encoder->rmx_type == rmx_type) 957 return 0; 958 959 radeon_encoder->rmx_type = rmx_type; 960 961 radeon_property_change_mode(&radeon_encoder->base); 962 return 0; 963 } 964 965 966 static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = { 967 .get_modes = radeon_lvds_get_modes, 968 .mode_valid = radeon_lvds_mode_valid, 969 .best_encoder = radeon_best_single_encoder, 970 }; 971 972 static const struct drm_connector_funcs radeon_lvds_connector_funcs = { 973 .dpms = drm_helper_connector_dpms, 974 .detect = radeon_lvds_detect, 975 .fill_modes = drm_helper_probe_single_connector_modes, 976 .destroy = radeon_connector_destroy, 977 .set_property = radeon_lvds_set_property, 978 }; 979 980 static int radeon_vga_get_modes(struct drm_connector *connector) 981 { 982 int ret; 983 984 radeon_connector_get_edid(connector); 985 ret = radeon_ddc_get_modes(connector); 986 987 radeon_get_native_mode(connector); 988 989 return ret; 990 } 991 992 static int radeon_vga_mode_valid(struct drm_connector *connector, 993 struct drm_display_mode *mode) 994 { 995 struct drm_device *dev = connector->dev; 996 struct radeon_device *rdev = dev->dev_private; 997 998 /* XXX check mode bandwidth */ 999 1000 if ((mode->clock / 10) > rdev->clock.max_pixel_clock) 1001 return MODE_CLOCK_HIGH; 1002 1003 return MODE_OK; 1004 } 1005 1006 static enum drm_connector_status 1007 radeon_vga_detect(struct drm_connector *connector, bool force) 1008 { 1009 struct drm_device *dev = connector->dev; 1010 struct radeon_device *rdev = dev->dev_private; 1011 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1012 struct drm_encoder *encoder; 1013 const struct drm_encoder_helper_funcs *encoder_funcs; 1014 bool dret = false; 1015 enum drm_connector_status ret = connector_status_disconnected; 1016 int r; 1017 1018 r = pm_runtime_get_sync(connector->dev->dev); 1019 if (r < 0) 1020 return connector_status_disconnected; 1021 1022 encoder = radeon_best_single_encoder(connector); 1023 if (!encoder) 1024 ret = connector_status_disconnected; 1025 1026 if (radeon_connector->ddc_bus) 1027 dret = radeon_ddc_probe(radeon_connector, false); 1028 if (dret) { 1029 radeon_connector->detected_by_load = false; 1030 radeon_connector_free_edid(connector); 1031 radeon_connector_get_edid(connector); 1032 1033 if (!radeon_connector->edid) { 1034 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n", 1035 connector->name); 1036 ret = connector_status_connected; 1037 } else { 1038 radeon_connector->use_digital = 1039 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL); 1040 1041 /* some oems have boards with separate digital and analog connectors 1042 * with a shared ddc line (often vga + hdmi) 1043 */ 1044 if (radeon_connector->use_digital && radeon_connector->shared_ddc) { 1045 radeon_connector_free_edid(connector); 1046 ret = connector_status_disconnected; 1047 } else { 1048 ret = connector_status_connected; 1049 } 1050 } 1051 } else { 1052 1053 /* if we aren't forcing don't do destructive polling */ 1054 if (!force) { 1055 /* only return the previous status if we last 1056 * detected a monitor via load. 1057 */ 1058 if (radeon_connector->detected_by_load) 1059 ret = connector->status; 1060 goto out; 1061 } 1062 1063 if (radeon_connector->dac_load_detect && encoder) { 1064 encoder_funcs = encoder->helper_private; 1065 ret = encoder_funcs->detect(encoder, connector); 1066 if (ret != connector_status_disconnected) 1067 radeon_connector->detected_by_load = true; 1068 } 1069 } 1070 1071 if (ret == connector_status_connected) 1072 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true); 1073 1074 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the 1075 * vbios to deal with KVMs. If we have one and are not able to detect a monitor 1076 * by other means, assume the CRT is connected and use that EDID. 1077 */ 1078 if ((!rdev->is_atom_bios) && 1079 (ret == connector_status_disconnected) && 1080 rdev->mode_info.bios_hardcoded_edid_size) { 1081 ret = connector_status_connected; 1082 } 1083 1084 radeon_connector_update_scratch_regs(connector, ret); 1085 1086 out: 1087 pm_runtime_mark_last_busy(connector->dev->dev); 1088 pm_runtime_put_autosuspend(connector->dev->dev); 1089 1090 return ret; 1091 } 1092 1093 static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = { 1094 .get_modes = radeon_vga_get_modes, 1095 .mode_valid = radeon_vga_mode_valid, 1096 .best_encoder = radeon_best_single_encoder, 1097 }; 1098 1099 static const struct drm_connector_funcs radeon_vga_connector_funcs = { 1100 .dpms = drm_helper_connector_dpms, 1101 .detect = radeon_vga_detect, 1102 .fill_modes = drm_helper_probe_single_connector_modes, 1103 .destroy = radeon_connector_destroy, 1104 .set_property = radeon_connector_set_property, 1105 }; 1106 1107 static int radeon_tv_get_modes(struct drm_connector *connector) 1108 { 1109 struct drm_device *dev = connector->dev; 1110 struct radeon_device *rdev = dev->dev_private; 1111 struct drm_display_mode *tv_mode; 1112 struct drm_encoder *encoder; 1113 1114 encoder = radeon_best_single_encoder(connector); 1115 if (!encoder) 1116 return 0; 1117 1118 /* avivo chips can scale any mode */ 1119 if (rdev->family >= CHIP_RS600) 1120 /* add scaled modes */ 1121 radeon_add_common_modes(encoder, connector); 1122 else { 1123 /* only 800x600 is supported right now on pre-avivo chips */ 1124 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false); 1125 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; 1126 drm_mode_probed_add(connector, tv_mode); 1127 } 1128 return 1; 1129 } 1130 1131 static int radeon_tv_mode_valid(struct drm_connector *connector, 1132 struct drm_display_mode *mode) 1133 { 1134 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768)) 1135 return MODE_CLOCK_RANGE; 1136 return MODE_OK; 1137 } 1138 1139 static enum drm_connector_status 1140 radeon_tv_detect(struct drm_connector *connector, bool force) 1141 { 1142 struct drm_encoder *encoder; 1143 const struct drm_encoder_helper_funcs *encoder_funcs; 1144 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1145 enum drm_connector_status ret = connector_status_disconnected; 1146 int r; 1147 1148 if (!radeon_connector->dac_load_detect) 1149 return ret; 1150 1151 r = pm_runtime_get_sync(connector->dev->dev); 1152 if (r < 0) 1153 return connector_status_disconnected; 1154 1155 encoder = radeon_best_single_encoder(connector); 1156 if (!encoder) 1157 ret = connector_status_disconnected; 1158 else { 1159 encoder_funcs = encoder->helper_private; 1160 ret = encoder_funcs->detect(encoder, connector); 1161 } 1162 if (ret == connector_status_connected) 1163 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false); 1164 radeon_connector_update_scratch_regs(connector, ret); 1165 pm_runtime_mark_last_busy(connector->dev->dev); 1166 pm_runtime_put_autosuspend(connector->dev->dev); 1167 return ret; 1168 } 1169 1170 static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = { 1171 .get_modes = radeon_tv_get_modes, 1172 .mode_valid = radeon_tv_mode_valid, 1173 .best_encoder = radeon_best_single_encoder, 1174 }; 1175 1176 static const struct drm_connector_funcs radeon_tv_connector_funcs = { 1177 .dpms = drm_helper_connector_dpms, 1178 .detect = radeon_tv_detect, 1179 .fill_modes = drm_helper_probe_single_connector_modes, 1180 .destroy = radeon_connector_destroy, 1181 .set_property = radeon_connector_set_property, 1182 }; 1183 1184 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector) 1185 { 1186 struct drm_device *dev = connector->dev; 1187 struct radeon_device *rdev = dev->dev_private; 1188 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1189 enum drm_connector_status status; 1190 1191 /* We only trust HPD on R600 and newer ASICS. */ 1192 if (rdev->family >= CHIP_R600 1193 && radeon_connector->hpd.hpd != RADEON_HPD_NONE) { 1194 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) 1195 status = connector_status_connected; 1196 else 1197 status = connector_status_disconnected; 1198 if (connector->status == status) 1199 return true; 1200 } 1201 1202 return false; 1203 } 1204 1205 /* 1206 * DVI is complicated 1207 * Do a DDC probe, if DDC probe passes, get the full EDID so 1208 * we can do analog/digital monitor detection at this point. 1209 * If the monitor is an analog monitor or we got no DDC, 1210 * we need to find the DAC encoder object for this connector. 1211 * If we got no DDC, we do load detection on the DAC encoder object. 1212 * If we got analog DDC or load detection passes on the DAC encoder 1213 * we have to check if this analog encoder is shared with anyone else (TV) 1214 * if its shared we have to set the other connector to disconnected. 1215 */ 1216 static enum drm_connector_status 1217 radeon_dvi_detect(struct drm_connector *connector, bool force) 1218 { 1219 struct drm_device *dev = connector->dev; 1220 struct radeon_device *rdev = dev->dev_private; 1221 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1222 struct drm_encoder *encoder = NULL; 1223 const struct drm_encoder_helper_funcs *encoder_funcs; 1224 int i, r; 1225 enum drm_connector_status ret = connector_status_disconnected; 1226 bool dret = false, broken_edid = false; 1227 1228 r = pm_runtime_get_sync(connector->dev->dev); 1229 if (r < 0) 1230 return connector_status_disconnected; 1231 1232 if (!force && radeon_check_hpd_status_unchanged(connector)) { 1233 ret = connector->status; 1234 goto exit; 1235 } 1236 1237 if (radeon_connector->ddc_bus) 1238 dret = radeon_ddc_probe(radeon_connector, false); 1239 if (dret) { 1240 radeon_connector->detected_by_load = false; 1241 radeon_connector_free_edid(connector); 1242 radeon_connector_get_edid(connector); 1243 1244 if (!radeon_connector->edid) { 1245 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n", 1246 connector->name); 1247 /* rs690 seems to have a problem with connectors not existing and always 1248 * return a block of 0's. If we see this just stop polling on this output */ 1249 if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && 1250 radeon_connector->base.null_edid_counter) { 1251 ret = connector_status_disconnected; 1252 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", 1253 connector->name); 1254 radeon_connector->ddc_bus = NULL; 1255 } else { 1256 ret = connector_status_connected; 1257 broken_edid = true; /* defer use_digital to later */ 1258 } 1259 } else { 1260 radeon_connector->use_digital = 1261 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL); 1262 1263 /* some oems have boards with separate digital and analog connectors 1264 * with a shared ddc line (often vga + hdmi) 1265 */ 1266 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) { 1267 radeon_connector_free_edid(connector); 1268 ret = connector_status_disconnected; 1269 } else { 1270 ret = connector_status_connected; 1271 } 1272 /* This gets complicated. We have boards with VGA + HDMI with a 1273 * shared DDC line and we have boards with DVI-D + HDMI with a shared 1274 * DDC line. The latter is more complex because with DVI<->HDMI adapters 1275 * you don't really know what's connected to which port as both are digital. 1276 */ 1277 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) { 1278 struct drm_connector *list_connector; 1279 struct radeon_connector *list_radeon_connector; 1280 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) { 1281 if (connector == list_connector) 1282 continue; 1283 list_radeon_connector = to_radeon_connector(list_connector); 1284 if (list_radeon_connector->shared_ddc && 1285 (list_radeon_connector->ddc_bus->rec.i2c_id == 1286 radeon_connector->ddc_bus->rec.i2c_id)) { 1287 /* cases where both connectors are digital */ 1288 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) { 1289 /* hpd is our only option in this case */ 1290 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { 1291 radeon_connector_free_edid(connector); 1292 ret = connector_status_disconnected; 1293 } 1294 } 1295 } 1296 } 1297 } 1298 } 1299 } 1300 1301 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true)) 1302 goto out; 1303 1304 /* DVI-D and HDMI-A are digital only */ 1305 if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) || 1306 (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA)) 1307 goto out; 1308 1309 /* if we aren't forcing don't do destructive polling */ 1310 if (!force) { 1311 /* only return the previous status if we last 1312 * detected a monitor via load. 1313 */ 1314 if (radeon_connector->detected_by_load) 1315 ret = connector->status; 1316 goto out; 1317 } 1318 1319 /* find analog encoder */ 1320 if (radeon_connector->dac_load_detect) { 1321 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1322 if (connector->encoder_ids[i] == 0) 1323 break; 1324 1325 encoder = drm_encoder_find(connector->dev, 1326 connector->encoder_ids[i]); 1327 if (!encoder) 1328 continue; 1329 1330 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC && 1331 encoder->encoder_type != DRM_MODE_ENCODER_TVDAC) 1332 continue; 1333 1334 encoder_funcs = encoder->helper_private; 1335 if (encoder_funcs->detect) { 1336 if (!broken_edid) { 1337 if (ret != connector_status_connected) { 1338 /* deal with analog monitors without DDC */ 1339 ret = encoder_funcs->detect(encoder, connector); 1340 if (ret == connector_status_connected) { 1341 radeon_connector->use_digital = false; 1342 } 1343 if (ret != connector_status_disconnected) 1344 radeon_connector->detected_by_load = true; 1345 } 1346 } else { 1347 enum drm_connector_status lret; 1348 /* assume digital unless load detected otherwise */ 1349 radeon_connector->use_digital = true; 1350 lret = encoder_funcs->detect(encoder, connector); 1351 DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret); 1352 if (lret == connector_status_connected) 1353 radeon_connector->use_digital = false; 1354 } 1355 break; 1356 } 1357 } 1358 } 1359 1360 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) && 1361 encoder) { 1362 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true); 1363 } 1364 1365 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the 1366 * vbios to deal with KVMs. If we have one and are not able to detect a monitor 1367 * by other means, assume the DFP is connected and use that EDID. In most 1368 * cases the DVI port is actually a virtual KVM port connected to the service 1369 * processor. 1370 */ 1371 out: 1372 if ((!rdev->is_atom_bios) && 1373 (ret == connector_status_disconnected) && 1374 rdev->mode_info.bios_hardcoded_edid_size) { 1375 radeon_connector->use_digital = true; 1376 ret = connector_status_connected; 1377 } 1378 1379 /* updated in get modes as well since we need to know if it's analog or digital */ 1380 radeon_connector_update_scratch_regs(connector, ret); 1381 1382 if (radeon_audio != 0) { 1383 radeon_connector_get_edid(connector); 1384 radeon_audio_detect(connector, ret); 1385 } 1386 1387 exit: 1388 pm_runtime_mark_last_busy(connector->dev->dev); 1389 pm_runtime_put_autosuspend(connector->dev->dev); 1390 1391 return ret; 1392 } 1393 1394 /* okay need to be smart in here about which encoder to pick */ 1395 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector) 1396 { 1397 int enc_id = connector->encoder_ids[0]; 1398 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1399 struct drm_encoder *encoder; 1400 int i; 1401 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1402 if (connector->encoder_ids[i] == 0) 1403 break; 1404 1405 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]); 1406 if (!encoder) 1407 continue; 1408 1409 if (radeon_connector->use_digital == true) { 1410 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS) 1411 return encoder; 1412 } else { 1413 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC || 1414 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC) 1415 return encoder; 1416 } 1417 } 1418 1419 /* see if we have a default encoder TODO */ 1420 1421 /* then check use digitial */ 1422 /* pick the first one */ 1423 if (enc_id) 1424 return drm_encoder_find(connector->dev, enc_id); 1425 return NULL; 1426 } 1427 1428 static void radeon_dvi_force(struct drm_connector *connector) 1429 { 1430 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1431 if (connector->force == DRM_FORCE_ON) 1432 radeon_connector->use_digital = false; 1433 if (connector->force == DRM_FORCE_ON_DIGITAL) 1434 radeon_connector->use_digital = true; 1435 } 1436 1437 static int radeon_dvi_mode_valid(struct drm_connector *connector, 1438 struct drm_display_mode *mode) 1439 { 1440 struct drm_device *dev = connector->dev; 1441 struct radeon_device *rdev = dev->dev_private; 1442 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1443 1444 /* XXX check mode bandwidth */ 1445 1446 /* clocks over 135 MHz have heat issues with DVI on RV100 */ 1447 if (radeon_connector->use_digital && 1448 (rdev->family == CHIP_RV100) && 1449 (mode->clock > 135000)) 1450 return MODE_CLOCK_HIGH; 1451 1452 if (radeon_connector->use_digital && (mode->clock > 165000)) { 1453 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) || 1454 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) || 1455 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B)) 1456 return MODE_OK; 1457 else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 1458 /* HDMI 1.3+ supports max clock of 340 Mhz */ 1459 if (mode->clock > 340000) 1460 return MODE_CLOCK_HIGH; 1461 else 1462 return MODE_OK; 1463 } else { 1464 return MODE_CLOCK_HIGH; 1465 } 1466 } 1467 1468 /* check against the max pixel clock */ 1469 if ((mode->clock / 10) > rdev->clock.max_pixel_clock) 1470 return MODE_CLOCK_HIGH; 1471 1472 return MODE_OK; 1473 } 1474 1475 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = { 1476 .get_modes = radeon_vga_get_modes, 1477 .mode_valid = radeon_dvi_mode_valid, 1478 .best_encoder = radeon_dvi_encoder, 1479 }; 1480 1481 static const struct drm_connector_funcs radeon_dvi_connector_funcs = { 1482 .dpms = drm_helper_connector_dpms, 1483 .detect = radeon_dvi_detect, 1484 .fill_modes = drm_helper_probe_single_connector_modes, 1485 .set_property = radeon_connector_set_property, 1486 .destroy = radeon_connector_destroy, 1487 .force = radeon_dvi_force, 1488 }; 1489 1490 static int radeon_dp_get_modes(struct drm_connector *connector) 1491 { 1492 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1493 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1494 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1495 int ret; 1496 1497 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1498 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1499 struct drm_display_mode *mode; 1500 1501 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) { 1502 if (!radeon_dig_connector->edp_on) 1503 atombios_set_edp_panel_power(connector, 1504 ATOM_TRANSMITTER_ACTION_POWER_ON); 1505 radeon_connector_get_edid(connector); 1506 ret = radeon_ddc_get_modes(connector); 1507 if (!radeon_dig_connector->edp_on) 1508 atombios_set_edp_panel_power(connector, 1509 ATOM_TRANSMITTER_ACTION_POWER_OFF); 1510 } else { 1511 /* need to setup ddc on the bridge */ 1512 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1513 ENCODER_OBJECT_ID_NONE) { 1514 if (encoder) 1515 radeon_atom_ext_encoder_setup_ddc(encoder); 1516 } 1517 radeon_connector_get_edid(connector); 1518 ret = radeon_ddc_get_modes(connector); 1519 } 1520 1521 if (ret > 0) { 1522 if (encoder) { 1523 radeon_fixup_lvds_native_mode(encoder, connector); 1524 /* add scaled modes */ 1525 radeon_add_common_modes(encoder, connector); 1526 } 1527 return ret; 1528 } 1529 1530 if (!encoder) 1531 return 0; 1532 1533 /* we have no EDID modes */ 1534 mode = radeon_fp_native_mode(encoder); 1535 if (mode) { 1536 ret = 1; 1537 drm_mode_probed_add(connector, mode); 1538 /* add the width/height from vbios tables if available */ 1539 connector->display_info.width_mm = mode->width_mm; 1540 connector->display_info.height_mm = mode->height_mm; 1541 /* add scaled modes */ 1542 radeon_add_common_modes(encoder, connector); 1543 } 1544 } else { 1545 /* need to setup ddc on the bridge */ 1546 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1547 ENCODER_OBJECT_ID_NONE) { 1548 if (encoder) 1549 radeon_atom_ext_encoder_setup_ddc(encoder); 1550 } 1551 radeon_connector_get_edid(connector); 1552 ret = radeon_ddc_get_modes(connector); 1553 1554 radeon_get_native_mode(connector); 1555 } 1556 1557 return ret; 1558 } 1559 1560 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector) 1561 { 1562 struct drm_encoder *encoder; 1563 struct radeon_encoder *radeon_encoder; 1564 int i; 1565 1566 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1567 if (connector->encoder_ids[i] == 0) 1568 break; 1569 1570 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]); 1571 if (!encoder) 1572 continue; 1573 1574 radeon_encoder = to_radeon_encoder(encoder); 1575 1576 switch (radeon_encoder->encoder_id) { 1577 case ENCODER_OBJECT_ID_TRAVIS: 1578 case ENCODER_OBJECT_ID_NUTMEG: 1579 return radeon_encoder->encoder_id; 1580 default: 1581 break; 1582 } 1583 } 1584 1585 return ENCODER_OBJECT_ID_NONE; 1586 } 1587 1588 static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector) 1589 { 1590 struct drm_encoder *encoder; 1591 struct radeon_encoder *radeon_encoder; 1592 int i; 1593 bool found = false; 1594 1595 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1596 if (connector->encoder_ids[i] == 0) 1597 break; 1598 1599 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]); 1600 if (!encoder) 1601 continue; 1602 1603 radeon_encoder = to_radeon_encoder(encoder); 1604 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2) 1605 found = true; 1606 } 1607 1608 return found; 1609 } 1610 1611 bool radeon_connector_is_dp12_capable(struct drm_connector *connector) 1612 { 1613 struct drm_device *dev = connector->dev; 1614 struct radeon_device *rdev = dev->dev_private; 1615 1616 if (ASIC_IS_DCE5(rdev) && 1617 (rdev->clock.default_dispclk >= 53900) && 1618 radeon_connector_encoder_is_hbr2(connector)) { 1619 return true; 1620 } 1621 1622 return false; 1623 } 1624 1625 static enum drm_connector_status 1626 radeon_dp_detect(struct drm_connector *connector, bool force) 1627 { 1628 struct drm_device *dev = connector->dev; 1629 struct radeon_device *rdev = dev->dev_private; 1630 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1631 enum drm_connector_status ret = connector_status_disconnected; 1632 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1633 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1634 int r; 1635 1636 if (radeon_dig_connector->is_mst) 1637 return connector_status_disconnected; 1638 1639 r = pm_runtime_get_sync(connector->dev->dev); 1640 if (r < 0) 1641 return connector_status_disconnected; 1642 1643 if (!force && radeon_check_hpd_status_unchanged(connector)) { 1644 ret = connector->status; 1645 goto out; 1646 } 1647 1648 radeon_connector_free_edid(connector); 1649 1650 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1651 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1652 if (encoder) { 1653 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 1654 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 1655 1656 /* check if panel is valid */ 1657 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240) 1658 ret = connector_status_connected; 1659 /* don't fetch the edid from the vbios if ddc fails and runpm is 1660 * enabled so we report disconnected. 1661 */ 1662 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0)) 1663 ret = connector_status_disconnected; 1664 } 1665 /* eDP is always DP */ 1666 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; 1667 if (!radeon_dig_connector->edp_on) 1668 atombios_set_edp_panel_power(connector, 1669 ATOM_TRANSMITTER_ACTION_POWER_ON); 1670 if (radeon_dp_getdpcd(radeon_connector)) 1671 ret = connector_status_connected; 1672 if (!radeon_dig_connector->edp_on) 1673 atombios_set_edp_panel_power(connector, 1674 ATOM_TRANSMITTER_ACTION_POWER_OFF); 1675 } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1676 ENCODER_OBJECT_ID_NONE) { 1677 /* DP bridges are always DP */ 1678 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; 1679 /* get the DPCD from the bridge */ 1680 radeon_dp_getdpcd(radeon_connector); 1681 1682 if (encoder) { 1683 /* setup ddc on the bridge */ 1684 radeon_atom_ext_encoder_setup_ddc(encoder); 1685 /* bridge chips are always aux */ 1686 if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */ 1687 ret = connector_status_connected; 1688 else if (radeon_connector->dac_load_detect) { /* try load detection */ 1689 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private; 1690 ret = encoder_funcs->detect(encoder, connector); 1691 } 1692 } 1693 } else { 1694 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector); 1695 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { 1696 ret = connector_status_connected; 1697 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) { 1698 radeon_dp_getdpcd(radeon_connector); 1699 r = radeon_dp_mst_probe(radeon_connector); 1700 if (r == 1) 1701 ret = connector_status_disconnected; 1702 } 1703 } else { 1704 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) { 1705 if (radeon_dp_getdpcd(radeon_connector)) { 1706 r = radeon_dp_mst_probe(radeon_connector); 1707 if (r == 1) 1708 ret = connector_status_disconnected; 1709 else 1710 ret = connector_status_connected; 1711 } 1712 } else { 1713 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */ 1714 if (radeon_ddc_probe(radeon_connector, false)) 1715 ret = connector_status_connected; 1716 } 1717 } 1718 } 1719 1720 radeon_connector_update_scratch_regs(connector, ret); 1721 1722 if (radeon_audio != 0) { 1723 radeon_connector_get_edid(connector); 1724 radeon_audio_detect(connector, ret); 1725 } 1726 1727 out: 1728 pm_runtime_mark_last_busy(connector->dev->dev); 1729 pm_runtime_put_autosuspend(connector->dev->dev); 1730 1731 return ret; 1732 } 1733 1734 static int radeon_dp_mode_valid(struct drm_connector *connector, 1735 struct drm_display_mode *mode) 1736 { 1737 struct drm_device *dev = connector->dev; 1738 struct radeon_device *rdev = dev->dev_private; 1739 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1740 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1741 1742 /* XXX check mode bandwidth */ 1743 1744 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1745 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1746 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1747 1748 if ((mode->hdisplay < 320) || (mode->vdisplay < 240)) 1749 return MODE_PANEL; 1750 1751 if (encoder) { 1752 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 1753 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 1754 1755 /* AVIVO hardware supports downscaling modes larger than the panel 1756 * to the panel size, but I'm not sure this is desirable. 1757 */ 1758 if ((mode->hdisplay > native_mode->hdisplay) || 1759 (mode->vdisplay > native_mode->vdisplay)) 1760 return MODE_PANEL; 1761 1762 /* if scaling is disabled, block non-native modes */ 1763 if (radeon_encoder->rmx_type == RMX_OFF) { 1764 if ((mode->hdisplay != native_mode->hdisplay) || 1765 (mode->vdisplay != native_mode->vdisplay)) 1766 return MODE_PANEL; 1767 } 1768 } 1769 } else { 1770 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 1771 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) { 1772 return radeon_dp_mode_valid_helper(connector, mode); 1773 } else { 1774 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 1775 /* HDMI 1.3+ supports max clock of 340 Mhz */ 1776 if (mode->clock > 340000) 1777 return MODE_CLOCK_HIGH; 1778 } else { 1779 if (mode->clock > 165000) 1780 return MODE_CLOCK_HIGH; 1781 } 1782 } 1783 } 1784 1785 return MODE_OK; 1786 } 1787 1788 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = { 1789 .get_modes = radeon_dp_get_modes, 1790 .mode_valid = radeon_dp_mode_valid, 1791 .best_encoder = radeon_dvi_encoder, 1792 }; 1793 1794 static const struct drm_connector_funcs radeon_dp_connector_funcs = { 1795 .dpms = drm_helper_connector_dpms, 1796 .detect = radeon_dp_detect, 1797 .fill_modes = drm_helper_probe_single_connector_modes, 1798 .set_property = radeon_connector_set_property, 1799 .destroy = radeon_connector_destroy, 1800 .force = radeon_dvi_force, 1801 }; 1802 1803 static const struct drm_connector_funcs radeon_edp_connector_funcs = { 1804 .dpms = drm_helper_connector_dpms, 1805 .detect = radeon_dp_detect, 1806 .fill_modes = drm_helper_probe_single_connector_modes, 1807 .set_property = radeon_lvds_set_property, 1808 .destroy = radeon_connector_destroy, 1809 .force = radeon_dvi_force, 1810 }; 1811 1812 static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = { 1813 .dpms = drm_helper_connector_dpms, 1814 .detect = radeon_dp_detect, 1815 .fill_modes = drm_helper_probe_single_connector_modes, 1816 .set_property = radeon_lvds_set_property, 1817 .destroy = radeon_connector_destroy, 1818 .force = radeon_dvi_force, 1819 }; 1820 1821 void 1822 radeon_add_atom_connector(struct drm_device *dev, 1823 uint32_t connector_id, 1824 uint32_t supported_device, 1825 int connector_type, 1826 struct radeon_i2c_bus_rec *i2c_bus, 1827 uint32_t igp_lane_info, 1828 uint16_t connector_object_id, 1829 struct radeon_hpd *hpd, 1830 struct radeon_router *router) 1831 { 1832 struct radeon_device *rdev = dev->dev_private; 1833 struct drm_connector *connector; 1834 struct radeon_connector *radeon_connector; 1835 struct radeon_connector_atom_dig *radeon_dig_connector; 1836 struct drm_encoder *encoder; 1837 struct radeon_encoder *radeon_encoder; 1838 uint32_t subpixel_order = SubPixelNone; 1839 bool shared_ddc = false; 1840 bool is_dp_bridge = false; 1841 bool has_aux = false; 1842 1843 if (connector_type == DRM_MODE_CONNECTOR_Unknown) 1844 return; 1845 1846 /* if the user selected tv=0 don't try and add the connector */ 1847 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) || 1848 (connector_type == DRM_MODE_CONNECTOR_Composite) || 1849 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) && 1850 (radeon_tv == 0)) 1851 return; 1852 1853 /* see if we already added it */ 1854 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 1855 radeon_connector = to_radeon_connector(connector); 1856 if (radeon_connector->connector_id == connector_id) { 1857 radeon_connector->devices |= supported_device; 1858 return; 1859 } 1860 if (radeon_connector->ddc_bus && i2c_bus->valid) { 1861 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) { 1862 radeon_connector->shared_ddc = true; 1863 shared_ddc = true; 1864 } 1865 if (radeon_connector->router_bus && router->ddc_valid && 1866 (radeon_connector->router.router_id == router->router_id)) { 1867 radeon_connector->shared_ddc = false; 1868 shared_ddc = false; 1869 } 1870 } 1871 } 1872 1873 /* check if it's a dp bridge */ 1874 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 1875 radeon_encoder = to_radeon_encoder(encoder); 1876 if (radeon_encoder->devices & supported_device) { 1877 switch (radeon_encoder->encoder_id) { 1878 case ENCODER_OBJECT_ID_TRAVIS: 1879 case ENCODER_OBJECT_ID_NUTMEG: 1880 is_dp_bridge = true; 1881 break; 1882 default: 1883 break; 1884 } 1885 } 1886 } 1887 1888 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL); 1889 if (!radeon_connector) 1890 return; 1891 1892 connector = &radeon_connector->base; 1893 1894 radeon_connector->connector_id = connector_id; 1895 radeon_connector->devices = supported_device; 1896 radeon_connector->shared_ddc = shared_ddc; 1897 radeon_connector->connector_object_id = connector_object_id; 1898 radeon_connector->hpd = *hpd; 1899 1900 radeon_connector->router = *router; 1901 if (router->ddc_valid || router->cd_valid) { 1902 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info); 1903 if (!radeon_connector->router_bus) 1904 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n"); 1905 } 1906 1907 if (is_dp_bridge) { 1908 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1909 if (!radeon_dig_connector) 1910 goto failed; 1911 radeon_dig_connector->igp_lane_info = igp_lane_info; 1912 radeon_connector->con_priv = radeon_dig_connector; 1913 if (i2c_bus->valid) { 1914 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1915 if (radeon_connector->ddc_bus) 1916 has_aux = true; 1917 else 1918 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1919 } 1920 switch (connector_type) { 1921 case DRM_MODE_CONNECTOR_VGA: 1922 case DRM_MODE_CONNECTOR_DVIA: 1923 default: 1924 drm_connector_init(dev, &radeon_connector->base, 1925 &radeon_dp_connector_funcs, connector_type); 1926 drm_connector_helper_add(&radeon_connector->base, 1927 &radeon_dp_connector_helper_funcs); 1928 connector->interlace_allowed = true; 1929 connector->doublescan_allowed = true; 1930 radeon_connector->dac_load_detect = true; 1931 drm_object_attach_property(&radeon_connector->base.base, 1932 rdev->mode_info.load_detect_property, 1933 1); 1934 drm_object_attach_property(&radeon_connector->base.base, 1935 dev->mode_config.scaling_mode_property, 1936 DRM_MODE_SCALE_NONE); 1937 if (ASIC_IS_DCE5(rdev)) 1938 drm_object_attach_property(&radeon_connector->base.base, 1939 rdev->mode_info.output_csc_property, 1940 RADEON_OUTPUT_CSC_BYPASS); 1941 break; 1942 case DRM_MODE_CONNECTOR_DVII: 1943 case DRM_MODE_CONNECTOR_DVID: 1944 case DRM_MODE_CONNECTOR_HDMIA: 1945 case DRM_MODE_CONNECTOR_HDMIB: 1946 case DRM_MODE_CONNECTOR_DisplayPort: 1947 drm_connector_init(dev, &radeon_connector->base, 1948 &radeon_dp_connector_funcs, connector_type); 1949 drm_connector_helper_add(&radeon_connector->base, 1950 &radeon_dp_connector_helper_funcs); 1951 drm_object_attach_property(&radeon_connector->base.base, 1952 rdev->mode_info.underscan_property, 1953 UNDERSCAN_OFF); 1954 drm_object_attach_property(&radeon_connector->base.base, 1955 rdev->mode_info.underscan_hborder_property, 1956 0); 1957 drm_object_attach_property(&radeon_connector->base.base, 1958 rdev->mode_info.underscan_vborder_property, 1959 0); 1960 1961 drm_object_attach_property(&radeon_connector->base.base, 1962 dev->mode_config.scaling_mode_property, 1963 DRM_MODE_SCALE_NONE); 1964 1965 drm_object_attach_property(&radeon_connector->base.base, 1966 rdev->mode_info.dither_property, 1967 RADEON_FMT_DITHER_DISABLE); 1968 1969 if (radeon_audio != 0) 1970 drm_object_attach_property(&radeon_connector->base.base, 1971 rdev->mode_info.audio_property, 1972 RADEON_AUDIO_AUTO); 1973 if (ASIC_IS_DCE5(rdev)) 1974 drm_object_attach_property(&radeon_connector->base.base, 1975 rdev->mode_info.output_csc_property, 1976 RADEON_OUTPUT_CSC_BYPASS); 1977 1978 subpixel_order = SubPixelHorizontalRGB; 1979 connector->interlace_allowed = true; 1980 if (connector_type == DRM_MODE_CONNECTOR_HDMIB) 1981 connector->doublescan_allowed = true; 1982 else 1983 connector->doublescan_allowed = false; 1984 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 1985 radeon_connector->dac_load_detect = true; 1986 drm_object_attach_property(&radeon_connector->base.base, 1987 rdev->mode_info.load_detect_property, 1988 1); 1989 } 1990 break; 1991 case DRM_MODE_CONNECTOR_LVDS: 1992 case DRM_MODE_CONNECTOR_eDP: 1993 drm_connector_init(dev, &radeon_connector->base, 1994 &radeon_lvds_bridge_connector_funcs, connector_type); 1995 drm_connector_helper_add(&radeon_connector->base, 1996 &radeon_dp_connector_helper_funcs); 1997 drm_object_attach_property(&radeon_connector->base.base, 1998 dev->mode_config.scaling_mode_property, 1999 DRM_MODE_SCALE_FULLSCREEN); 2000 subpixel_order = SubPixelHorizontalRGB; 2001 connector->interlace_allowed = false; 2002 connector->doublescan_allowed = false; 2003 break; 2004 } 2005 } else { 2006 switch (connector_type) { 2007 case DRM_MODE_CONNECTOR_VGA: 2008 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 2009 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2010 if (i2c_bus->valid) { 2011 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2012 if (!radeon_connector->ddc_bus) 2013 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2014 } 2015 radeon_connector->dac_load_detect = true; 2016 drm_object_attach_property(&radeon_connector->base.base, 2017 rdev->mode_info.load_detect_property, 2018 1); 2019 if (ASIC_IS_AVIVO(rdev)) 2020 drm_object_attach_property(&radeon_connector->base.base, 2021 dev->mode_config.scaling_mode_property, 2022 DRM_MODE_SCALE_NONE); 2023 if (ASIC_IS_DCE5(rdev)) 2024 drm_object_attach_property(&radeon_connector->base.base, 2025 rdev->mode_info.output_csc_property, 2026 RADEON_OUTPUT_CSC_BYPASS); 2027 /* no HPD on analog connectors */ 2028 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2029 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 2030 connector->interlace_allowed = true; 2031 connector->doublescan_allowed = true; 2032 break; 2033 case DRM_MODE_CONNECTOR_DVIA: 2034 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 2035 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2036 if (i2c_bus->valid) { 2037 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2038 if (!radeon_connector->ddc_bus) 2039 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2040 } 2041 radeon_connector->dac_load_detect = true; 2042 drm_object_attach_property(&radeon_connector->base.base, 2043 rdev->mode_info.load_detect_property, 2044 1); 2045 if (ASIC_IS_AVIVO(rdev)) 2046 drm_object_attach_property(&radeon_connector->base.base, 2047 dev->mode_config.scaling_mode_property, 2048 DRM_MODE_SCALE_NONE); 2049 if (ASIC_IS_DCE5(rdev)) 2050 drm_object_attach_property(&radeon_connector->base.base, 2051 rdev->mode_info.output_csc_property, 2052 RADEON_OUTPUT_CSC_BYPASS); 2053 /* no HPD on analog connectors */ 2054 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2055 connector->interlace_allowed = true; 2056 connector->doublescan_allowed = true; 2057 break; 2058 case DRM_MODE_CONNECTOR_DVII: 2059 case DRM_MODE_CONNECTOR_DVID: 2060 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2061 if (!radeon_dig_connector) 2062 goto failed; 2063 radeon_dig_connector->igp_lane_info = igp_lane_info; 2064 radeon_connector->con_priv = radeon_dig_connector; 2065 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); 2066 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 2067 if (i2c_bus->valid) { 2068 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2069 if (!radeon_connector->ddc_bus) 2070 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2071 } 2072 subpixel_order = SubPixelHorizontalRGB; 2073 drm_object_attach_property(&radeon_connector->base.base, 2074 rdev->mode_info.coherent_mode_property, 2075 1); 2076 if (ASIC_IS_AVIVO(rdev)) { 2077 drm_object_attach_property(&radeon_connector->base.base, 2078 rdev->mode_info.underscan_property, 2079 UNDERSCAN_OFF); 2080 drm_object_attach_property(&radeon_connector->base.base, 2081 rdev->mode_info.underscan_hborder_property, 2082 0); 2083 drm_object_attach_property(&radeon_connector->base.base, 2084 rdev->mode_info.underscan_vborder_property, 2085 0); 2086 drm_object_attach_property(&radeon_connector->base.base, 2087 rdev->mode_info.dither_property, 2088 RADEON_FMT_DITHER_DISABLE); 2089 drm_object_attach_property(&radeon_connector->base.base, 2090 dev->mode_config.scaling_mode_property, 2091 DRM_MODE_SCALE_NONE); 2092 } 2093 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) { 2094 drm_object_attach_property(&radeon_connector->base.base, 2095 rdev->mode_info.audio_property, 2096 RADEON_AUDIO_AUTO); 2097 } 2098 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 2099 radeon_connector->dac_load_detect = true; 2100 drm_object_attach_property(&radeon_connector->base.base, 2101 rdev->mode_info.load_detect_property, 2102 1); 2103 } 2104 if (ASIC_IS_DCE5(rdev)) 2105 drm_object_attach_property(&radeon_connector->base.base, 2106 rdev->mode_info.output_csc_property, 2107 RADEON_OUTPUT_CSC_BYPASS); 2108 connector->interlace_allowed = true; 2109 if (connector_type == DRM_MODE_CONNECTOR_DVII) 2110 connector->doublescan_allowed = true; 2111 else 2112 connector->doublescan_allowed = false; 2113 break; 2114 case DRM_MODE_CONNECTOR_HDMIA: 2115 case DRM_MODE_CONNECTOR_HDMIB: 2116 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2117 if (!radeon_dig_connector) 2118 goto failed; 2119 radeon_dig_connector->igp_lane_info = igp_lane_info; 2120 radeon_connector->con_priv = radeon_dig_connector; 2121 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); 2122 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 2123 if (i2c_bus->valid) { 2124 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2125 if (!radeon_connector->ddc_bus) 2126 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2127 } 2128 drm_object_attach_property(&radeon_connector->base.base, 2129 rdev->mode_info.coherent_mode_property, 2130 1); 2131 if (ASIC_IS_AVIVO(rdev)) { 2132 drm_object_attach_property(&radeon_connector->base.base, 2133 rdev->mode_info.underscan_property, 2134 UNDERSCAN_OFF); 2135 drm_object_attach_property(&radeon_connector->base.base, 2136 rdev->mode_info.underscan_hborder_property, 2137 0); 2138 drm_object_attach_property(&radeon_connector->base.base, 2139 rdev->mode_info.underscan_vborder_property, 2140 0); 2141 drm_object_attach_property(&radeon_connector->base.base, 2142 rdev->mode_info.dither_property, 2143 RADEON_FMT_DITHER_DISABLE); 2144 drm_object_attach_property(&radeon_connector->base.base, 2145 dev->mode_config.scaling_mode_property, 2146 DRM_MODE_SCALE_NONE); 2147 } 2148 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) { 2149 drm_object_attach_property(&radeon_connector->base.base, 2150 rdev->mode_info.audio_property, 2151 RADEON_AUDIO_AUTO); 2152 } 2153 if (ASIC_IS_DCE5(rdev)) 2154 drm_object_attach_property(&radeon_connector->base.base, 2155 rdev->mode_info.output_csc_property, 2156 RADEON_OUTPUT_CSC_BYPASS); 2157 subpixel_order = SubPixelHorizontalRGB; 2158 connector->interlace_allowed = true; 2159 if (connector_type == DRM_MODE_CONNECTOR_HDMIB) 2160 connector->doublescan_allowed = true; 2161 else 2162 connector->doublescan_allowed = false; 2163 break; 2164 case DRM_MODE_CONNECTOR_DisplayPort: 2165 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2166 if (!radeon_dig_connector) 2167 goto failed; 2168 radeon_dig_connector->igp_lane_info = igp_lane_info; 2169 radeon_connector->con_priv = radeon_dig_connector; 2170 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type); 2171 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); 2172 if (i2c_bus->valid) { 2173 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2174 if (radeon_connector->ddc_bus) 2175 has_aux = true; 2176 else 2177 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2178 } 2179 subpixel_order = SubPixelHorizontalRGB; 2180 drm_object_attach_property(&radeon_connector->base.base, 2181 rdev->mode_info.coherent_mode_property, 2182 1); 2183 if (ASIC_IS_AVIVO(rdev)) { 2184 drm_object_attach_property(&radeon_connector->base.base, 2185 rdev->mode_info.underscan_property, 2186 UNDERSCAN_OFF); 2187 drm_object_attach_property(&radeon_connector->base.base, 2188 rdev->mode_info.underscan_hborder_property, 2189 0); 2190 drm_object_attach_property(&radeon_connector->base.base, 2191 rdev->mode_info.underscan_vborder_property, 2192 0); 2193 drm_object_attach_property(&radeon_connector->base.base, 2194 rdev->mode_info.dither_property, 2195 RADEON_FMT_DITHER_DISABLE); 2196 drm_object_attach_property(&radeon_connector->base.base, 2197 dev->mode_config.scaling_mode_property, 2198 DRM_MODE_SCALE_NONE); 2199 } 2200 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) { 2201 drm_object_attach_property(&radeon_connector->base.base, 2202 rdev->mode_info.audio_property, 2203 RADEON_AUDIO_AUTO); 2204 } 2205 if (ASIC_IS_DCE5(rdev)) 2206 drm_object_attach_property(&radeon_connector->base.base, 2207 rdev->mode_info.output_csc_property, 2208 RADEON_OUTPUT_CSC_BYPASS); 2209 connector->interlace_allowed = true; 2210 /* in theory with a DP to VGA converter... */ 2211 connector->doublescan_allowed = false; 2212 break; 2213 case DRM_MODE_CONNECTOR_eDP: 2214 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2215 if (!radeon_dig_connector) 2216 goto failed; 2217 radeon_dig_connector->igp_lane_info = igp_lane_info; 2218 radeon_connector->con_priv = radeon_dig_connector; 2219 drm_connector_init(dev, &radeon_connector->base, &radeon_edp_connector_funcs, connector_type); 2220 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); 2221 if (i2c_bus->valid) { 2222 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2223 if (radeon_connector->ddc_bus) 2224 has_aux = true; 2225 else 2226 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2227 } 2228 drm_object_attach_property(&radeon_connector->base.base, 2229 dev->mode_config.scaling_mode_property, 2230 DRM_MODE_SCALE_FULLSCREEN); 2231 subpixel_order = SubPixelHorizontalRGB; 2232 connector->interlace_allowed = false; 2233 connector->doublescan_allowed = false; 2234 break; 2235 case DRM_MODE_CONNECTOR_SVIDEO: 2236 case DRM_MODE_CONNECTOR_Composite: 2237 case DRM_MODE_CONNECTOR_9PinDIN: 2238 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type); 2239 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs); 2240 radeon_connector->dac_load_detect = true; 2241 drm_object_attach_property(&radeon_connector->base.base, 2242 rdev->mode_info.load_detect_property, 2243 1); 2244 drm_object_attach_property(&radeon_connector->base.base, 2245 rdev->mode_info.tv_std_property, 2246 radeon_atombios_get_tv_info(rdev)); 2247 /* no HPD on analog connectors */ 2248 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2249 connector->interlace_allowed = false; 2250 connector->doublescan_allowed = false; 2251 break; 2252 case DRM_MODE_CONNECTOR_LVDS: 2253 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2254 if (!radeon_dig_connector) 2255 goto failed; 2256 radeon_dig_connector->igp_lane_info = igp_lane_info; 2257 radeon_connector->con_priv = radeon_dig_connector; 2258 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type); 2259 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs); 2260 if (i2c_bus->valid) { 2261 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2262 if (!radeon_connector->ddc_bus) 2263 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2264 } 2265 drm_object_attach_property(&radeon_connector->base.base, 2266 dev->mode_config.scaling_mode_property, 2267 DRM_MODE_SCALE_FULLSCREEN); 2268 subpixel_order = SubPixelHorizontalRGB; 2269 connector->interlace_allowed = false; 2270 connector->doublescan_allowed = false; 2271 break; 2272 } 2273 } 2274 2275 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) { 2276 if (i2c_bus->valid) 2277 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 2278 } else 2279 connector->polled = DRM_CONNECTOR_POLL_HPD; 2280 2281 connector->display_info.subpixel_order = subpixel_order; 2282 drm_connector_register(connector); 2283 2284 if (has_aux) 2285 radeon_dp_aux_init(radeon_connector); 2286 2287 return; 2288 2289 failed: 2290 drm_connector_cleanup(connector); 2291 kfree(connector); 2292 } 2293 2294 void 2295 radeon_add_legacy_connector(struct drm_device *dev, 2296 uint32_t connector_id, 2297 uint32_t supported_device, 2298 int connector_type, 2299 struct radeon_i2c_bus_rec *i2c_bus, 2300 uint16_t connector_object_id, 2301 struct radeon_hpd *hpd) 2302 { 2303 struct radeon_device *rdev = dev->dev_private; 2304 struct drm_connector *connector; 2305 struct radeon_connector *radeon_connector; 2306 uint32_t subpixel_order = SubPixelNone; 2307 2308 if (connector_type == DRM_MODE_CONNECTOR_Unknown) 2309 return; 2310 2311 /* if the user selected tv=0 don't try and add the connector */ 2312 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) || 2313 (connector_type == DRM_MODE_CONNECTOR_Composite) || 2314 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) && 2315 (radeon_tv == 0)) 2316 return; 2317 2318 /* see if we already added it */ 2319 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 2320 radeon_connector = to_radeon_connector(connector); 2321 if (radeon_connector->connector_id == connector_id) { 2322 radeon_connector->devices |= supported_device; 2323 return; 2324 } 2325 } 2326 2327 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL); 2328 if (!radeon_connector) 2329 return; 2330 2331 connector = &radeon_connector->base; 2332 2333 radeon_connector->connector_id = connector_id; 2334 radeon_connector->devices = supported_device; 2335 radeon_connector->connector_object_id = connector_object_id; 2336 radeon_connector->hpd = *hpd; 2337 2338 switch (connector_type) { 2339 case DRM_MODE_CONNECTOR_VGA: 2340 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 2341 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2342 if (i2c_bus->valid) { 2343 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2344 if (!radeon_connector->ddc_bus) 2345 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2346 } 2347 radeon_connector->dac_load_detect = true; 2348 drm_object_attach_property(&radeon_connector->base.base, 2349 rdev->mode_info.load_detect_property, 2350 1); 2351 /* no HPD on analog connectors */ 2352 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2353 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 2354 connector->interlace_allowed = true; 2355 connector->doublescan_allowed = true; 2356 break; 2357 case DRM_MODE_CONNECTOR_DVIA: 2358 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 2359 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2360 if (i2c_bus->valid) { 2361 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2362 if (!radeon_connector->ddc_bus) 2363 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2364 } 2365 radeon_connector->dac_load_detect = true; 2366 drm_object_attach_property(&radeon_connector->base.base, 2367 rdev->mode_info.load_detect_property, 2368 1); 2369 /* no HPD on analog connectors */ 2370 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2371 connector->interlace_allowed = true; 2372 connector->doublescan_allowed = true; 2373 break; 2374 case DRM_MODE_CONNECTOR_DVII: 2375 case DRM_MODE_CONNECTOR_DVID: 2376 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); 2377 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 2378 if (i2c_bus->valid) { 2379 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2380 if (!radeon_connector->ddc_bus) 2381 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2382 } 2383 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 2384 radeon_connector->dac_load_detect = true; 2385 drm_object_attach_property(&radeon_connector->base.base, 2386 rdev->mode_info.load_detect_property, 2387 1); 2388 } 2389 subpixel_order = SubPixelHorizontalRGB; 2390 connector->interlace_allowed = true; 2391 if (connector_type == DRM_MODE_CONNECTOR_DVII) 2392 connector->doublescan_allowed = true; 2393 else 2394 connector->doublescan_allowed = false; 2395 break; 2396 case DRM_MODE_CONNECTOR_SVIDEO: 2397 case DRM_MODE_CONNECTOR_Composite: 2398 case DRM_MODE_CONNECTOR_9PinDIN: 2399 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type); 2400 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs); 2401 radeon_connector->dac_load_detect = true; 2402 /* RS400,RC410,RS480 chipset seems to report a lot 2403 * of false positive on load detect, we haven't yet 2404 * found a way to make load detect reliable on those 2405 * chipset, thus just disable it for TV. 2406 */ 2407 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480) 2408 radeon_connector->dac_load_detect = false; 2409 drm_object_attach_property(&radeon_connector->base.base, 2410 rdev->mode_info.load_detect_property, 2411 radeon_connector->dac_load_detect); 2412 drm_object_attach_property(&radeon_connector->base.base, 2413 rdev->mode_info.tv_std_property, 2414 radeon_combios_get_tv_info(rdev)); 2415 /* no HPD on analog connectors */ 2416 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2417 connector->interlace_allowed = false; 2418 connector->doublescan_allowed = false; 2419 break; 2420 case DRM_MODE_CONNECTOR_LVDS: 2421 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type); 2422 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs); 2423 if (i2c_bus->valid) { 2424 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2425 if (!radeon_connector->ddc_bus) 2426 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2427 } 2428 drm_object_attach_property(&radeon_connector->base.base, 2429 dev->mode_config.scaling_mode_property, 2430 DRM_MODE_SCALE_FULLSCREEN); 2431 subpixel_order = SubPixelHorizontalRGB; 2432 connector->interlace_allowed = false; 2433 connector->doublescan_allowed = false; 2434 break; 2435 } 2436 2437 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) { 2438 if (i2c_bus->valid) 2439 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 2440 } else 2441 connector->polled = DRM_CONNECTOR_POLL_HPD; 2442 connector->display_info.subpixel_order = subpixel_order; 2443 drm_connector_register(connector); 2444 } 2445 2446 void radeon_setup_mst_connector(struct drm_device *dev) 2447 { 2448 struct radeon_device *rdev = dev->dev_private; 2449 struct drm_connector *connector; 2450 struct radeon_connector *radeon_connector; 2451 2452 if (!ASIC_IS_DCE5(rdev)) 2453 return; 2454 2455 if (radeon_mst == 0) 2456 return; 2457 2458 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 2459 int ret; 2460 2461 radeon_connector = to_radeon_connector(connector); 2462 2463 if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort) 2464 continue; 2465 2466 ret = radeon_dp_mst_init(radeon_connector); 2467 } 2468 } 2469