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) && radeon_connector->use_digital) { 1383 const struct drm_connector_helper_funcs *connector_funcs = 1384 connector->helper_private; 1385 1386 encoder = connector_funcs->best_encoder(connector); 1387 if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) { 1388 radeon_connector_get_edid(connector); 1389 radeon_audio_detect(connector, encoder, ret); 1390 } 1391 } 1392 1393 exit: 1394 pm_runtime_mark_last_busy(connector->dev->dev); 1395 pm_runtime_put_autosuspend(connector->dev->dev); 1396 1397 return ret; 1398 } 1399 1400 /* okay need to be smart in here about which encoder to pick */ 1401 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector) 1402 { 1403 int enc_id = connector->encoder_ids[0]; 1404 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1405 struct drm_encoder *encoder; 1406 int i; 1407 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1408 if (connector->encoder_ids[i] == 0) 1409 break; 1410 1411 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]); 1412 if (!encoder) 1413 continue; 1414 1415 if (radeon_connector->use_digital == true) { 1416 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS) 1417 return encoder; 1418 } else { 1419 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC || 1420 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC) 1421 return encoder; 1422 } 1423 } 1424 1425 /* see if we have a default encoder TODO */ 1426 1427 /* then check use digitial */ 1428 /* pick the first one */ 1429 if (enc_id) 1430 return drm_encoder_find(connector->dev, enc_id); 1431 return NULL; 1432 } 1433 1434 static void radeon_dvi_force(struct drm_connector *connector) 1435 { 1436 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1437 if (connector->force == DRM_FORCE_ON) 1438 radeon_connector->use_digital = false; 1439 if (connector->force == DRM_FORCE_ON_DIGITAL) 1440 radeon_connector->use_digital = true; 1441 } 1442 1443 static int radeon_dvi_mode_valid(struct drm_connector *connector, 1444 struct drm_display_mode *mode) 1445 { 1446 struct drm_device *dev = connector->dev; 1447 struct radeon_device *rdev = dev->dev_private; 1448 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1449 1450 /* XXX check mode bandwidth */ 1451 1452 /* clocks over 135 MHz have heat issues with DVI on RV100 */ 1453 if (radeon_connector->use_digital && 1454 (rdev->family == CHIP_RV100) && 1455 (mode->clock > 135000)) 1456 return MODE_CLOCK_HIGH; 1457 1458 if (radeon_connector->use_digital && (mode->clock > 165000)) { 1459 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) || 1460 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) || 1461 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B)) 1462 return MODE_OK; 1463 else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 1464 /* HDMI 1.3+ supports max clock of 340 Mhz */ 1465 if (mode->clock > 340000) 1466 return MODE_CLOCK_HIGH; 1467 else 1468 return MODE_OK; 1469 } else { 1470 return MODE_CLOCK_HIGH; 1471 } 1472 } 1473 1474 /* check against the max pixel clock */ 1475 if ((mode->clock / 10) > rdev->clock.max_pixel_clock) 1476 return MODE_CLOCK_HIGH; 1477 1478 return MODE_OK; 1479 } 1480 1481 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = { 1482 .get_modes = radeon_vga_get_modes, 1483 .mode_valid = radeon_dvi_mode_valid, 1484 .best_encoder = radeon_dvi_encoder, 1485 }; 1486 1487 static const struct drm_connector_funcs radeon_dvi_connector_funcs = { 1488 .dpms = drm_helper_connector_dpms, 1489 .detect = radeon_dvi_detect, 1490 .fill_modes = drm_helper_probe_single_connector_modes, 1491 .set_property = radeon_connector_set_property, 1492 .destroy = radeon_connector_destroy, 1493 .force = radeon_dvi_force, 1494 }; 1495 1496 static int radeon_dp_get_modes(struct drm_connector *connector) 1497 { 1498 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1499 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1500 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1501 int ret; 1502 1503 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1504 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1505 struct drm_display_mode *mode; 1506 1507 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) { 1508 if (!radeon_dig_connector->edp_on) 1509 atombios_set_edp_panel_power(connector, 1510 ATOM_TRANSMITTER_ACTION_POWER_ON); 1511 radeon_connector_get_edid(connector); 1512 ret = radeon_ddc_get_modes(connector); 1513 if (!radeon_dig_connector->edp_on) 1514 atombios_set_edp_panel_power(connector, 1515 ATOM_TRANSMITTER_ACTION_POWER_OFF); 1516 } else { 1517 /* need to setup ddc on the bridge */ 1518 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1519 ENCODER_OBJECT_ID_NONE) { 1520 if (encoder) 1521 radeon_atom_ext_encoder_setup_ddc(encoder); 1522 } 1523 radeon_connector_get_edid(connector); 1524 ret = radeon_ddc_get_modes(connector); 1525 } 1526 1527 if (ret > 0) { 1528 if (encoder) { 1529 radeon_fixup_lvds_native_mode(encoder, connector); 1530 /* add scaled modes */ 1531 radeon_add_common_modes(encoder, connector); 1532 } 1533 return ret; 1534 } 1535 1536 if (!encoder) 1537 return 0; 1538 1539 /* we have no EDID modes */ 1540 mode = radeon_fp_native_mode(encoder); 1541 if (mode) { 1542 ret = 1; 1543 drm_mode_probed_add(connector, mode); 1544 /* add the width/height from vbios tables if available */ 1545 connector->display_info.width_mm = mode->width_mm; 1546 connector->display_info.height_mm = mode->height_mm; 1547 /* add scaled modes */ 1548 radeon_add_common_modes(encoder, connector); 1549 } 1550 } else { 1551 /* need to setup ddc on the bridge */ 1552 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1553 ENCODER_OBJECT_ID_NONE) { 1554 if (encoder) 1555 radeon_atom_ext_encoder_setup_ddc(encoder); 1556 } 1557 radeon_connector_get_edid(connector); 1558 ret = radeon_ddc_get_modes(connector); 1559 1560 radeon_get_native_mode(connector); 1561 } 1562 1563 return ret; 1564 } 1565 1566 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector) 1567 { 1568 struct drm_encoder *encoder; 1569 struct radeon_encoder *radeon_encoder; 1570 int i; 1571 1572 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1573 if (connector->encoder_ids[i] == 0) 1574 break; 1575 1576 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]); 1577 if (!encoder) 1578 continue; 1579 1580 radeon_encoder = to_radeon_encoder(encoder); 1581 1582 switch (radeon_encoder->encoder_id) { 1583 case ENCODER_OBJECT_ID_TRAVIS: 1584 case ENCODER_OBJECT_ID_NUTMEG: 1585 return radeon_encoder->encoder_id; 1586 default: 1587 break; 1588 } 1589 } 1590 1591 return ENCODER_OBJECT_ID_NONE; 1592 } 1593 1594 static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector) 1595 { 1596 struct drm_encoder *encoder; 1597 struct radeon_encoder *radeon_encoder; 1598 int i; 1599 bool found = false; 1600 1601 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1602 if (connector->encoder_ids[i] == 0) 1603 break; 1604 1605 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]); 1606 if (!encoder) 1607 continue; 1608 1609 radeon_encoder = to_radeon_encoder(encoder); 1610 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2) 1611 found = true; 1612 } 1613 1614 return found; 1615 } 1616 1617 bool radeon_connector_is_dp12_capable(struct drm_connector *connector) 1618 { 1619 struct drm_device *dev = connector->dev; 1620 struct radeon_device *rdev = dev->dev_private; 1621 1622 if (ASIC_IS_DCE5(rdev) && 1623 (rdev->clock.default_dispclk >= 53900) && 1624 radeon_connector_encoder_is_hbr2(connector)) { 1625 return true; 1626 } 1627 1628 return false; 1629 } 1630 1631 static enum drm_connector_status 1632 radeon_dp_detect(struct drm_connector *connector, bool force) 1633 { 1634 struct drm_device *dev = connector->dev; 1635 struct radeon_device *rdev = dev->dev_private; 1636 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1637 enum drm_connector_status ret = connector_status_disconnected; 1638 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1639 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1640 int r; 1641 1642 if (radeon_dig_connector->is_mst) 1643 return connector_status_disconnected; 1644 1645 r = pm_runtime_get_sync(connector->dev->dev); 1646 if (r < 0) 1647 return connector_status_disconnected; 1648 1649 if (!force && radeon_check_hpd_status_unchanged(connector)) { 1650 ret = connector->status; 1651 goto out; 1652 } 1653 1654 radeon_connector_free_edid(connector); 1655 1656 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1657 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1658 if (encoder) { 1659 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 1660 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 1661 1662 /* check if panel is valid */ 1663 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240) 1664 ret = connector_status_connected; 1665 /* don't fetch the edid from the vbios if ddc fails and runpm is 1666 * enabled so we report disconnected. 1667 */ 1668 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0)) 1669 ret = connector_status_disconnected; 1670 } 1671 /* eDP is always DP */ 1672 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; 1673 if (!radeon_dig_connector->edp_on) 1674 atombios_set_edp_panel_power(connector, 1675 ATOM_TRANSMITTER_ACTION_POWER_ON); 1676 if (radeon_dp_getdpcd(radeon_connector)) 1677 ret = connector_status_connected; 1678 if (!radeon_dig_connector->edp_on) 1679 atombios_set_edp_panel_power(connector, 1680 ATOM_TRANSMITTER_ACTION_POWER_OFF); 1681 } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1682 ENCODER_OBJECT_ID_NONE) { 1683 /* DP bridges are always DP */ 1684 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; 1685 /* get the DPCD from the bridge */ 1686 radeon_dp_getdpcd(radeon_connector); 1687 1688 if (encoder) { 1689 /* setup ddc on the bridge */ 1690 radeon_atom_ext_encoder_setup_ddc(encoder); 1691 /* bridge chips are always aux */ 1692 if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */ 1693 ret = connector_status_connected; 1694 else if (radeon_connector->dac_load_detect) { /* try load detection */ 1695 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private; 1696 ret = encoder_funcs->detect(encoder, connector); 1697 } 1698 } 1699 } else { 1700 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector); 1701 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { 1702 ret = connector_status_connected; 1703 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) { 1704 radeon_dp_getdpcd(radeon_connector); 1705 r = radeon_dp_mst_probe(radeon_connector); 1706 if (r == 1) 1707 ret = connector_status_disconnected; 1708 } 1709 } else { 1710 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) { 1711 if (radeon_dp_getdpcd(radeon_connector)) { 1712 r = radeon_dp_mst_probe(radeon_connector); 1713 if (r == 1) 1714 ret = connector_status_disconnected; 1715 else 1716 ret = connector_status_connected; 1717 } 1718 } else { 1719 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */ 1720 if (radeon_ddc_probe(radeon_connector, false)) 1721 ret = connector_status_connected; 1722 } 1723 } 1724 } 1725 1726 radeon_connector_update_scratch_regs(connector, ret); 1727 1728 if ((radeon_audio != 0) && encoder) { 1729 radeon_connector_get_edid(connector); 1730 radeon_audio_detect(connector, encoder, ret); 1731 } 1732 1733 out: 1734 pm_runtime_mark_last_busy(connector->dev->dev); 1735 pm_runtime_put_autosuspend(connector->dev->dev); 1736 1737 return ret; 1738 } 1739 1740 static int radeon_dp_mode_valid(struct drm_connector *connector, 1741 struct drm_display_mode *mode) 1742 { 1743 struct drm_device *dev = connector->dev; 1744 struct radeon_device *rdev = dev->dev_private; 1745 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1746 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1747 1748 /* XXX check mode bandwidth */ 1749 1750 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1751 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1752 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1753 1754 if ((mode->hdisplay < 320) || (mode->vdisplay < 240)) 1755 return MODE_PANEL; 1756 1757 if (encoder) { 1758 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 1759 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 1760 1761 /* AVIVO hardware supports downscaling modes larger than the panel 1762 * to the panel size, but I'm not sure this is desirable. 1763 */ 1764 if ((mode->hdisplay > native_mode->hdisplay) || 1765 (mode->vdisplay > native_mode->vdisplay)) 1766 return MODE_PANEL; 1767 1768 /* if scaling is disabled, block non-native modes */ 1769 if (radeon_encoder->rmx_type == RMX_OFF) { 1770 if ((mode->hdisplay != native_mode->hdisplay) || 1771 (mode->vdisplay != native_mode->vdisplay)) 1772 return MODE_PANEL; 1773 } 1774 } 1775 } else { 1776 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 1777 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) { 1778 return radeon_dp_mode_valid_helper(connector, mode); 1779 } else { 1780 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 1781 /* HDMI 1.3+ supports max clock of 340 Mhz */ 1782 if (mode->clock > 340000) 1783 return MODE_CLOCK_HIGH; 1784 } else { 1785 if (mode->clock > 165000) 1786 return MODE_CLOCK_HIGH; 1787 } 1788 } 1789 } 1790 1791 return MODE_OK; 1792 } 1793 1794 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = { 1795 .get_modes = radeon_dp_get_modes, 1796 .mode_valid = radeon_dp_mode_valid, 1797 .best_encoder = radeon_dvi_encoder, 1798 }; 1799 1800 static const struct drm_connector_funcs radeon_dp_connector_funcs = { 1801 .dpms = drm_helper_connector_dpms, 1802 .detect = radeon_dp_detect, 1803 .fill_modes = drm_helper_probe_single_connector_modes, 1804 .set_property = radeon_connector_set_property, 1805 .destroy = radeon_connector_destroy, 1806 .force = radeon_dvi_force, 1807 }; 1808 1809 static const struct drm_connector_funcs radeon_edp_connector_funcs = { 1810 .dpms = drm_helper_connector_dpms, 1811 .detect = radeon_dp_detect, 1812 .fill_modes = drm_helper_probe_single_connector_modes, 1813 .set_property = radeon_lvds_set_property, 1814 .destroy = radeon_connector_destroy, 1815 .force = radeon_dvi_force, 1816 }; 1817 1818 static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = { 1819 .dpms = drm_helper_connector_dpms, 1820 .detect = radeon_dp_detect, 1821 .fill_modes = drm_helper_probe_single_connector_modes, 1822 .set_property = radeon_lvds_set_property, 1823 .destroy = radeon_connector_destroy, 1824 .force = radeon_dvi_force, 1825 }; 1826 1827 void 1828 radeon_add_atom_connector(struct drm_device *dev, 1829 uint32_t connector_id, 1830 uint32_t supported_device, 1831 int connector_type, 1832 struct radeon_i2c_bus_rec *i2c_bus, 1833 uint32_t igp_lane_info, 1834 uint16_t connector_object_id, 1835 struct radeon_hpd *hpd, 1836 struct radeon_router *router) 1837 { 1838 struct radeon_device *rdev = dev->dev_private; 1839 struct drm_connector *connector; 1840 struct radeon_connector *radeon_connector; 1841 struct radeon_connector_atom_dig *radeon_dig_connector; 1842 struct drm_encoder *encoder; 1843 struct radeon_encoder *radeon_encoder; 1844 uint32_t subpixel_order = SubPixelNone; 1845 bool shared_ddc = false; 1846 bool is_dp_bridge = false; 1847 bool has_aux = false; 1848 1849 if (connector_type == DRM_MODE_CONNECTOR_Unknown) 1850 return; 1851 1852 /* if the user selected tv=0 don't try and add the connector */ 1853 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) || 1854 (connector_type == DRM_MODE_CONNECTOR_Composite) || 1855 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) && 1856 (radeon_tv == 0)) 1857 return; 1858 1859 /* see if we already added it */ 1860 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 1861 radeon_connector = to_radeon_connector(connector); 1862 if (radeon_connector->connector_id == connector_id) { 1863 radeon_connector->devices |= supported_device; 1864 return; 1865 } 1866 if (radeon_connector->ddc_bus && i2c_bus->valid) { 1867 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) { 1868 radeon_connector->shared_ddc = true; 1869 shared_ddc = true; 1870 } 1871 if (radeon_connector->router_bus && router->ddc_valid && 1872 (radeon_connector->router.router_id == router->router_id)) { 1873 radeon_connector->shared_ddc = false; 1874 shared_ddc = false; 1875 } 1876 } 1877 } 1878 1879 /* check if it's a dp bridge */ 1880 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 1881 radeon_encoder = to_radeon_encoder(encoder); 1882 if (radeon_encoder->devices & supported_device) { 1883 switch (radeon_encoder->encoder_id) { 1884 case ENCODER_OBJECT_ID_TRAVIS: 1885 case ENCODER_OBJECT_ID_NUTMEG: 1886 is_dp_bridge = true; 1887 break; 1888 default: 1889 break; 1890 } 1891 } 1892 } 1893 1894 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL); 1895 if (!radeon_connector) 1896 return; 1897 1898 connector = &radeon_connector->base; 1899 1900 radeon_connector->connector_id = connector_id; 1901 radeon_connector->devices = supported_device; 1902 radeon_connector->shared_ddc = shared_ddc; 1903 radeon_connector->connector_object_id = connector_object_id; 1904 radeon_connector->hpd = *hpd; 1905 1906 radeon_connector->router = *router; 1907 if (router->ddc_valid || router->cd_valid) { 1908 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info); 1909 if (!radeon_connector->router_bus) 1910 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n"); 1911 } 1912 1913 if (is_dp_bridge) { 1914 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1915 if (!radeon_dig_connector) 1916 goto failed; 1917 radeon_dig_connector->igp_lane_info = igp_lane_info; 1918 radeon_connector->con_priv = radeon_dig_connector; 1919 if (i2c_bus->valid) { 1920 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1921 if (radeon_connector->ddc_bus) 1922 has_aux = true; 1923 else 1924 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1925 } 1926 switch (connector_type) { 1927 case DRM_MODE_CONNECTOR_VGA: 1928 case DRM_MODE_CONNECTOR_DVIA: 1929 default: 1930 drm_connector_init(dev, &radeon_connector->base, 1931 &radeon_dp_connector_funcs, connector_type); 1932 drm_connector_helper_add(&radeon_connector->base, 1933 &radeon_dp_connector_helper_funcs); 1934 connector->interlace_allowed = true; 1935 connector->doublescan_allowed = true; 1936 radeon_connector->dac_load_detect = true; 1937 drm_object_attach_property(&radeon_connector->base.base, 1938 rdev->mode_info.load_detect_property, 1939 1); 1940 drm_object_attach_property(&radeon_connector->base.base, 1941 dev->mode_config.scaling_mode_property, 1942 DRM_MODE_SCALE_NONE); 1943 if (ASIC_IS_DCE5(rdev)) 1944 drm_object_attach_property(&radeon_connector->base.base, 1945 rdev->mode_info.output_csc_property, 1946 RADEON_OUTPUT_CSC_BYPASS); 1947 break; 1948 case DRM_MODE_CONNECTOR_DVII: 1949 case DRM_MODE_CONNECTOR_DVID: 1950 case DRM_MODE_CONNECTOR_HDMIA: 1951 case DRM_MODE_CONNECTOR_HDMIB: 1952 case DRM_MODE_CONNECTOR_DisplayPort: 1953 drm_connector_init(dev, &radeon_connector->base, 1954 &radeon_dp_connector_funcs, connector_type); 1955 drm_connector_helper_add(&radeon_connector->base, 1956 &radeon_dp_connector_helper_funcs); 1957 drm_object_attach_property(&radeon_connector->base.base, 1958 rdev->mode_info.underscan_property, 1959 UNDERSCAN_OFF); 1960 drm_object_attach_property(&radeon_connector->base.base, 1961 rdev->mode_info.underscan_hborder_property, 1962 0); 1963 drm_object_attach_property(&radeon_connector->base.base, 1964 rdev->mode_info.underscan_vborder_property, 1965 0); 1966 1967 drm_object_attach_property(&radeon_connector->base.base, 1968 dev->mode_config.scaling_mode_property, 1969 DRM_MODE_SCALE_NONE); 1970 1971 drm_object_attach_property(&radeon_connector->base.base, 1972 rdev->mode_info.dither_property, 1973 RADEON_FMT_DITHER_DISABLE); 1974 1975 if (radeon_audio != 0) 1976 drm_object_attach_property(&radeon_connector->base.base, 1977 rdev->mode_info.audio_property, 1978 RADEON_AUDIO_AUTO); 1979 if (ASIC_IS_DCE5(rdev)) 1980 drm_object_attach_property(&radeon_connector->base.base, 1981 rdev->mode_info.output_csc_property, 1982 RADEON_OUTPUT_CSC_BYPASS); 1983 1984 subpixel_order = SubPixelHorizontalRGB; 1985 connector->interlace_allowed = true; 1986 if (connector_type == DRM_MODE_CONNECTOR_HDMIB) 1987 connector->doublescan_allowed = true; 1988 else 1989 connector->doublescan_allowed = false; 1990 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 1991 radeon_connector->dac_load_detect = true; 1992 drm_object_attach_property(&radeon_connector->base.base, 1993 rdev->mode_info.load_detect_property, 1994 1); 1995 } 1996 break; 1997 case DRM_MODE_CONNECTOR_LVDS: 1998 case DRM_MODE_CONNECTOR_eDP: 1999 drm_connector_init(dev, &radeon_connector->base, 2000 &radeon_lvds_bridge_connector_funcs, connector_type); 2001 drm_connector_helper_add(&radeon_connector->base, 2002 &radeon_dp_connector_helper_funcs); 2003 drm_object_attach_property(&radeon_connector->base.base, 2004 dev->mode_config.scaling_mode_property, 2005 DRM_MODE_SCALE_FULLSCREEN); 2006 subpixel_order = SubPixelHorizontalRGB; 2007 connector->interlace_allowed = false; 2008 connector->doublescan_allowed = false; 2009 break; 2010 } 2011 } else { 2012 switch (connector_type) { 2013 case DRM_MODE_CONNECTOR_VGA: 2014 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 2015 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2016 if (i2c_bus->valid) { 2017 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2018 if (!radeon_connector->ddc_bus) 2019 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2020 } 2021 radeon_connector->dac_load_detect = true; 2022 drm_object_attach_property(&radeon_connector->base.base, 2023 rdev->mode_info.load_detect_property, 2024 1); 2025 if (ASIC_IS_AVIVO(rdev)) 2026 drm_object_attach_property(&radeon_connector->base.base, 2027 dev->mode_config.scaling_mode_property, 2028 DRM_MODE_SCALE_NONE); 2029 if (ASIC_IS_DCE5(rdev)) 2030 drm_object_attach_property(&radeon_connector->base.base, 2031 rdev->mode_info.output_csc_property, 2032 RADEON_OUTPUT_CSC_BYPASS); 2033 /* no HPD on analog connectors */ 2034 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2035 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 2036 connector->interlace_allowed = true; 2037 connector->doublescan_allowed = true; 2038 break; 2039 case DRM_MODE_CONNECTOR_DVIA: 2040 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 2041 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2042 if (i2c_bus->valid) { 2043 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2044 if (!radeon_connector->ddc_bus) 2045 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2046 } 2047 radeon_connector->dac_load_detect = true; 2048 drm_object_attach_property(&radeon_connector->base.base, 2049 rdev->mode_info.load_detect_property, 2050 1); 2051 if (ASIC_IS_AVIVO(rdev)) 2052 drm_object_attach_property(&radeon_connector->base.base, 2053 dev->mode_config.scaling_mode_property, 2054 DRM_MODE_SCALE_NONE); 2055 if (ASIC_IS_DCE5(rdev)) 2056 drm_object_attach_property(&radeon_connector->base.base, 2057 rdev->mode_info.output_csc_property, 2058 RADEON_OUTPUT_CSC_BYPASS); 2059 /* no HPD on analog connectors */ 2060 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2061 connector->interlace_allowed = true; 2062 connector->doublescan_allowed = true; 2063 break; 2064 case DRM_MODE_CONNECTOR_DVII: 2065 case DRM_MODE_CONNECTOR_DVID: 2066 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2067 if (!radeon_dig_connector) 2068 goto failed; 2069 radeon_dig_connector->igp_lane_info = igp_lane_info; 2070 radeon_connector->con_priv = radeon_dig_connector; 2071 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); 2072 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 2073 if (i2c_bus->valid) { 2074 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2075 if (!radeon_connector->ddc_bus) 2076 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2077 } 2078 subpixel_order = SubPixelHorizontalRGB; 2079 drm_object_attach_property(&radeon_connector->base.base, 2080 rdev->mode_info.coherent_mode_property, 2081 1); 2082 if (ASIC_IS_AVIVO(rdev)) { 2083 drm_object_attach_property(&radeon_connector->base.base, 2084 rdev->mode_info.underscan_property, 2085 UNDERSCAN_OFF); 2086 drm_object_attach_property(&radeon_connector->base.base, 2087 rdev->mode_info.underscan_hborder_property, 2088 0); 2089 drm_object_attach_property(&radeon_connector->base.base, 2090 rdev->mode_info.underscan_vborder_property, 2091 0); 2092 drm_object_attach_property(&radeon_connector->base.base, 2093 rdev->mode_info.dither_property, 2094 RADEON_FMT_DITHER_DISABLE); 2095 drm_object_attach_property(&radeon_connector->base.base, 2096 dev->mode_config.scaling_mode_property, 2097 DRM_MODE_SCALE_NONE); 2098 } 2099 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) { 2100 drm_object_attach_property(&radeon_connector->base.base, 2101 rdev->mode_info.audio_property, 2102 RADEON_AUDIO_AUTO); 2103 } 2104 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 2105 radeon_connector->dac_load_detect = true; 2106 drm_object_attach_property(&radeon_connector->base.base, 2107 rdev->mode_info.load_detect_property, 2108 1); 2109 } 2110 if (ASIC_IS_DCE5(rdev)) 2111 drm_object_attach_property(&radeon_connector->base.base, 2112 rdev->mode_info.output_csc_property, 2113 RADEON_OUTPUT_CSC_BYPASS); 2114 connector->interlace_allowed = true; 2115 if (connector_type == DRM_MODE_CONNECTOR_DVII) 2116 connector->doublescan_allowed = true; 2117 else 2118 connector->doublescan_allowed = false; 2119 break; 2120 case DRM_MODE_CONNECTOR_HDMIA: 2121 case DRM_MODE_CONNECTOR_HDMIB: 2122 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2123 if (!radeon_dig_connector) 2124 goto failed; 2125 radeon_dig_connector->igp_lane_info = igp_lane_info; 2126 radeon_connector->con_priv = radeon_dig_connector; 2127 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); 2128 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 2129 if (i2c_bus->valid) { 2130 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2131 if (!radeon_connector->ddc_bus) 2132 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2133 } 2134 drm_object_attach_property(&radeon_connector->base.base, 2135 rdev->mode_info.coherent_mode_property, 2136 1); 2137 if (ASIC_IS_AVIVO(rdev)) { 2138 drm_object_attach_property(&radeon_connector->base.base, 2139 rdev->mode_info.underscan_property, 2140 UNDERSCAN_OFF); 2141 drm_object_attach_property(&radeon_connector->base.base, 2142 rdev->mode_info.underscan_hborder_property, 2143 0); 2144 drm_object_attach_property(&radeon_connector->base.base, 2145 rdev->mode_info.underscan_vborder_property, 2146 0); 2147 drm_object_attach_property(&radeon_connector->base.base, 2148 rdev->mode_info.dither_property, 2149 RADEON_FMT_DITHER_DISABLE); 2150 drm_object_attach_property(&radeon_connector->base.base, 2151 dev->mode_config.scaling_mode_property, 2152 DRM_MODE_SCALE_NONE); 2153 } 2154 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) { 2155 drm_object_attach_property(&radeon_connector->base.base, 2156 rdev->mode_info.audio_property, 2157 RADEON_AUDIO_AUTO); 2158 } 2159 if (ASIC_IS_DCE5(rdev)) 2160 drm_object_attach_property(&radeon_connector->base.base, 2161 rdev->mode_info.output_csc_property, 2162 RADEON_OUTPUT_CSC_BYPASS); 2163 subpixel_order = SubPixelHorizontalRGB; 2164 connector->interlace_allowed = true; 2165 if (connector_type == DRM_MODE_CONNECTOR_HDMIB) 2166 connector->doublescan_allowed = true; 2167 else 2168 connector->doublescan_allowed = false; 2169 break; 2170 case DRM_MODE_CONNECTOR_DisplayPort: 2171 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2172 if (!radeon_dig_connector) 2173 goto failed; 2174 radeon_dig_connector->igp_lane_info = igp_lane_info; 2175 radeon_connector->con_priv = radeon_dig_connector; 2176 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type); 2177 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); 2178 if (i2c_bus->valid) { 2179 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2180 if (radeon_connector->ddc_bus) 2181 has_aux = true; 2182 else 2183 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2184 } 2185 subpixel_order = SubPixelHorizontalRGB; 2186 drm_object_attach_property(&radeon_connector->base.base, 2187 rdev->mode_info.coherent_mode_property, 2188 1); 2189 if (ASIC_IS_AVIVO(rdev)) { 2190 drm_object_attach_property(&radeon_connector->base.base, 2191 rdev->mode_info.underscan_property, 2192 UNDERSCAN_OFF); 2193 drm_object_attach_property(&radeon_connector->base.base, 2194 rdev->mode_info.underscan_hborder_property, 2195 0); 2196 drm_object_attach_property(&radeon_connector->base.base, 2197 rdev->mode_info.underscan_vborder_property, 2198 0); 2199 drm_object_attach_property(&radeon_connector->base.base, 2200 rdev->mode_info.dither_property, 2201 RADEON_FMT_DITHER_DISABLE); 2202 drm_object_attach_property(&radeon_connector->base.base, 2203 dev->mode_config.scaling_mode_property, 2204 DRM_MODE_SCALE_NONE); 2205 } 2206 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) { 2207 drm_object_attach_property(&radeon_connector->base.base, 2208 rdev->mode_info.audio_property, 2209 RADEON_AUDIO_AUTO); 2210 } 2211 if (ASIC_IS_DCE5(rdev)) 2212 drm_object_attach_property(&radeon_connector->base.base, 2213 rdev->mode_info.output_csc_property, 2214 RADEON_OUTPUT_CSC_BYPASS); 2215 connector->interlace_allowed = true; 2216 /* in theory with a DP to VGA converter... */ 2217 connector->doublescan_allowed = false; 2218 break; 2219 case DRM_MODE_CONNECTOR_eDP: 2220 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2221 if (!radeon_dig_connector) 2222 goto failed; 2223 radeon_dig_connector->igp_lane_info = igp_lane_info; 2224 radeon_connector->con_priv = radeon_dig_connector; 2225 drm_connector_init(dev, &radeon_connector->base, &radeon_edp_connector_funcs, connector_type); 2226 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); 2227 if (i2c_bus->valid) { 2228 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2229 if (radeon_connector->ddc_bus) 2230 has_aux = true; 2231 else 2232 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2233 } 2234 drm_object_attach_property(&radeon_connector->base.base, 2235 dev->mode_config.scaling_mode_property, 2236 DRM_MODE_SCALE_FULLSCREEN); 2237 subpixel_order = SubPixelHorizontalRGB; 2238 connector->interlace_allowed = false; 2239 connector->doublescan_allowed = false; 2240 break; 2241 case DRM_MODE_CONNECTOR_SVIDEO: 2242 case DRM_MODE_CONNECTOR_Composite: 2243 case DRM_MODE_CONNECTOR_9PinDIN: 2244 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type); 2245 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs); 2246 radeon_connector->dac_load_detect = true; 2247 drm_object_attach_property(&radeon_connector->base.base, 2248 rdev->mode_info.load_detect_property, 2249 1); 2250 drm_object_attach_property(&radeon_connector->base.base, 2251 rdev->mode_info.tv_std_property, 2252 radeon_atombios_get_tv_info(rdev)); 2253 /* no HPD on analog connectors */ 2254 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2255 connector->interlace_allowed = false; 2256 connector->doublescan_allowed = false; 2257 break; 2258 case DRM_MODE_CONNECTOR_LVDS: 2259 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2260 if (!radeon_dig_connector) 2261 goto failed; 2262 radeon_dig_connector->igp_lane_info = igp_lane_info; 2263 radeon_connector->con_priv = radeon_dig_connector; 2264 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type); 2265 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs); 2266 if (i2c_bus->valid) { 2267 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2268 if (!radeon_connector->ddc_bus) 2269 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2270 } 2271 drm_object_attach_property(&radeon_connector->base.base, 2272 dev->mode_config.scaling_mode_property, 2273 DRM_MODE_SCALE_FULLSCREEN); 2274 subpixel_order = SubPixelHorizontalRGB; 2275 connector->interlace_allowed = false; 2276 connector->doublescan_allowed = false; 2277 break; 2278 } 2279 } 2280 2281 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) { 2282 if (i2c_bus->valid) 2283 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 2284 } else 2285 connector->polled = DRM_CONNECTOR_POLL_HPD; 2286 2287 connector->display_info.subpixel_order = subpixel_order; 2288 drm_connector_register(connector); 2289 2290 if (has_aux) 2291 radeon_dp_aux_init(radeon_connector); 2292 2293 return; 2294 2295 failed: 2296 drm_connector_cleanup(connector); 2297 kfree(connector); 2298 } 2299 2300 void 2301 radeon_add_legacy_connector(struct drm_device *dev, 2302 uint32_t connector_id, 2303 uint32_t supported_device, 2304 int connector_type, 2305 struct radeon_i2c_bus_rec *i2c_bus, 2306 uint16_t connector_object_id, 2307 struct radeon_hpd *hpd) 2308 { 2309 struct radeon_device *rdev = dev->dev_private; 2310 struct drm_connector *connector; 2311 struct radeon_connector *radeon_connector; 2312 uint32_t subpixel_order = SubPixelNone; 2313 2314 if (connector_type == DRM_MODE_CONNECTOR_Unknown) 2315 return; 2316 2317 /* if the user selected tv=0 don't try and add the connector */ 2318 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) || 2319 (connector_type == DRM_MODE_CONNECTOR_Composite) || 2320 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) && 2321 (radeon_tv == 0)) 2322 return; 2323 2324 /* see if we already added it */ 2325 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 2326 radeon_connector = to_radeon_connector(connector); 2327 if (radeon_connector->connector_id == connector_id) { 2328 radeon_connector->devices |= supported_device; 2329 return; 2330 } 2331 } 2332 2333 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL); 2334 if (!radeon_connector) 2335 return; 2336 2337 connector = &radeon_connector->base; 2338 2339 radeon_connector->connector_id = connector_id; 2340 radeon_connector->devices = supported_device; 2341 radeon_connector->connector_object_id = connector_object_id; 2342 radeon_connector->hpd = *hpd; 2343 2344 switch (connector_type) { 2345 case DRM_MODE_CONNECTOR_VGA: 2346 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 2347 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2348 if (i2c_bus->valid) { 2349 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2350 if (!radeon_connector->ddc_bus) 2351 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2352 } 2353 radeon_connector->dac_load_detect = true; 2354 drm_object_attach_property(&radeon_connector->base.base, 2355 rdev->mode_info.load_detect_property, 2356 1); 2357 /* no HPD on analog connectors */ 2358 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2359 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 2360 connector->interlace_allowed = true; 2361 connector->doublescan_allowed = true; 2362 break; 2363 case DRM_MODE_CONNECTOR_DVIA: 2364 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 2365 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2366 if (i2c_bus->valid) { 2367 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2368 if (!radeon_connector->ddc_bus) 2369 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2370 } 2371 radeon_connector->dac_load_detect = true; 2372 drm_object_attach_property(&radeon_connector->base.base, 2373 rdev->mode_info.load_detect_property, 2374 1); 2375 /* no HPD on analog connectors */ 2376 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2377 connector->interlace_allowed = true; 2378 connector->doublescan_allowed = true; 2379 break; 2380 case DRM_MODE_CONNECTOR_DVII: 2381 case DRM_MODE_CONNECTOR_DVID: 2382 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); 2383 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 2384 if (i2c_bus->valid) { 2385 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2386 if (!radeon_connector->ddc_bus) 2387 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2388 } 2389 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 2390 radeon_connector->dac_load_detect = true; 2391 drm_object_attach_property(&radeon_connector->base.base, 2392 rdev->mode_info.load_detect_property, 2393 1); 2394 } 2395 subpixel_order = SubPixelHorizontalRGB; 2396 connector->interlace_allowed = true; 2397 if (connector_type == DRM_MODE_CONNECTOR_DVII) 2398 connector->doublescan_allowed = true; 2399 else 2400 connector->doublescan_allowed = false; 2401 break; 2402 case DRM_MODE_CONNECTOR_SVIDEO: 2403 case DRM_MODE_CONNECTOR_Composite: 2404 case DRM_MODE_CONNECTOR_9PinDIN: 2405 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type); 2406 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs); 2407 radeon_connector->dac_load_detect = true; 2408 /* RS400,RC410,RS480 chipset seems to report a lot 2409 * of false positive on load detect, we haven't yet 2410 * found a way to make load detect reliable on those 2411 * chipset, thus just disable it for TV. 2412 */ 2413 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480) 2414 radeon_connector->dac_load_detect = false; 2415 drm_object_attach_property(&radeon_connector->base.base, 2416 rdev->mode_info.load_detect_property, 2417 radeon_connector->dac_load_detect); 2418 drm_object_attach_property(&radeon_connector->base.base, 2419 rdev->mode_info.tv_std_property, 2420 radeon_combios_get_tv_info(rdev)); 2421 /* no HPD on analog connectors */ 2422 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2423 connector->interlace_allowed = false; 2424 connector->doublescan_allowed = false; 2425 break; 2426 case DRM_MODE_CONNECTOR_LVDS: 2427 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type); 2428 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs); 2429 if (i2c_bus->valid) { 2430 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2431 if (!radeon_connector->ddc_bus) 2432 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2433 } 2434 drm_object_attach_property(&radeon_connector->base.base, 2435 dev->mode_config.scaling_mode_property, 2436 DRM_MODE_SCALE_FULLSCREEN); 2437 subpixel_order = SubPixelHorizontalRGB; 2438 connector->interlace_allowed = false; 2439 connector->doublescan_allowed = false; 2440 break; 2441 } 2442 2443 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) { 2444 if (i2c_bus->valid) 2445 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 2446 } else 2447 connector->polled = DRM_CONNECTOR_POLL_HPD; 2448 connector->display_info.subpixel_order = subpixel_order; 2449 drm_connector_register(connector); 2450 } 2451 2452 void radeon_setup_mst_connector(struct drm_device *dev) 2453 { 2454 struct radeon_device *rdev = dev->dev_private; 2455 struct drm_connector *connector; 2456 struct radeon_connector *radeon_connector; 2457 2458 if (!ASIC_IS_DCE5(rdev)) 2459 return; 2460 2461 if (radeon_mst == 0) 2462 return; 2463 2464 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 2465 int ret; 2466 2467 radeon_connector = to_radeon_connector(connector); 2468 2469 if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort) 2470 continue; 2471 2472 ret = radeon_dp_mst_init(radeon_connector); 2473 } 2474 } 2475