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 radeon_hpd_sense(rdev, radeon_connector->hpd.hpd) && 94 radeon_dp_needs_link_train(radeon_connector)) { 95 /* Don't start link training before we have the DPCD */ 96 if (!radeon_dp_getdpcd(radeon_connector)) 97 return; 98 99 /* Turn the connector off and back on immediately, which 100 * will trigger link training 101 */ 102 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); 103 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); 104 } 105 } 106 } 107 108 static void radeon_property_change_mode(struct drm_encoder *encoder) 109 { 110 struct drm_crtc *crtc = encoder->crtc; 111 112 if (crtc && crtc->enabled) { 113 drm_crtc_helper_set_mode(crtc, &crtc->mode, 114 crtc->x, crtc->y, crtc->primary->fb); 115 } 116 } 117 118 int radeon_get_monitor_bpc(struct drm_connector *connector) 119 { 120 struct drm_device *dev = connector->dev; 121 struct radeon_device *rdev = dev->dev_private; 122 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 123 struct radeon_connector_atom_dig *dig_connector; 124 int bpc = 8; 125 int mode_clock, max_tmds_clock; 126 127 switch (connector->connector_type) { 128 case DRM_MODE_CONNECTOR_DVII: 129 case DRM_MODE_CONNECTOR_HDMIB: 130 if (radeon_connector->use_digital) { 131 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 132 if (connector->display_info.bpc) 133 bpc = connector->display_info.bpc; 134 } 135 } 136 break; 137 case DRM_MODE_CONNECTOR_DVID: 138 case DRM_MODE_CONNECTOR_HDMIA: 139 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 140 if (connector->display_info.bpc) 141 bpc = connector->display_info.bpc; 142 } 143 break; 144 case DRM_MODE_CONNECTOR_DisplayPort: 145 dig_connector = radeon_connector->con_priv; 146 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 147 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) || 148 drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 149 if (connector->display_info.bpc) 150 bpc = connector->display_info.bpc; 151 } 152 break; 153 case DRM_MODE_CONNECTOR_eDP: 154 case DRM_MODE_CONNECTOR_LVDS: 155 if (connector->display_info.bpc) 156 bpc = connector->display_info.bpc; 157 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) { 158 const struct drm_connector_helper_funcs *connector_funcs = 159 connector->helper_private; 160 struct drm_encoder *encoder = connector_funcs->best_encoder(connector); 161 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 162 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; 163 164 if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR) 165 bpc = 6; 166 else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR) 167 bpc = 8; 168 } 169 break; 170 } 171 172 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 173 /* hdmi deep color only implemented on DCE4+ */ 174 if ((bpc > 8) && !ASIC_IS_DCE4(rdev)) { 175 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 8 bpc.\n", 176 connector->name, bpc); 177 bpc = 8; 178 } 179 180 /* 181 * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make 182 * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at 183 * 12 bpc is always supported on hdmi deep color sinks, as this is 184 * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum. 185 */ 186 if (bpc > 12) { 187 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n", 188 connector->name, bpc); 189 bpc = 12; 190 } 191 192 /* Any defined maximum tmds clock limit we must not exceed? */ 193 if (connector->max_tmds_clock > 0) { 194 /* mode_clock is clock in kHz for mode to be modeset on this connector */ 195 mode_clock = radeon_connector->pixelclock_for_modeset; 196 197 /* Maximum allowable input clock in kHz */ 198 max_tmds_clock = connector->max_tmds_clock * 1000; 199 200 DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n", 201 connector->name, mode_clock, max_tmds_clock); 202 203 /* Check if bpc is within clock limit. Try to degrade gracefully otherwise */ 204 if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) { 205 if ((connector->display_info.edid_hdmi_dc_modes & DRM_EDID_HDMI_DC_30) && 206 (mode_clock * 5/4 <= max_tmds_clock)) 207 bpc = 10; 208 else 209 bpc = 8; 210 211 DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n", 212 connector->name, bpc); 213 } 214 215 if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) { 216 bpc = 8; 217 DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n", 218 connector->name, bpc); 219 } 220 } 221 else if (bpc > 8) { 222 /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */ 223 DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n", 224 connector->name); 225 bpc = 8; 226 } 227 } 228 229 if ((radeon_deep_color == 0) && (bpc > 8)) { 230 DRM_DEBUG("%s: Deep color disabled. Set radeon module param deep_color=1 to enable.\n", 231 connector->name); 232 bpc = 8; 233 } 234 235 DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n", 236 connector->name, connector->display_info.bpc, bpc); 237 238 return bpc; 239 } 240 241 static void 242 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status) 243 { 244 struct drm_device *dev = connector->dev; 245 struct radeon_device *rdev = dev->dev_private; 246 struct drm_encoder *best_encoder = NULL; 247 struct drm_encoder *encoder = NULL; 248 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 249 bool connected; 250 int i; 251 252 best_encoder = connector_funcs->best_encoder(connector); 253 254 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 255 if (connector->encoder_ids[i] == 0) 256 break; 257 258 encoder = drm_encoder_find(connector->dev, 259 connector->encoder_ids[i]); 260 if (!encoder) 261 continue; 262 263 if ((encoder == best_encoder) && (status == connector_status_connected)) 264 connected = true; 265 else 266 connected = false; 267 268 if (rdev->is_atom_bios) 269 radeon_atombios_connected_scratch_regs(connector, encoder, connected); 270 else 271 radeon_combios_connected_scratch_regs(connector, encoder, connected); 272 273 } 274 } 275 276 static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type) 277 { 278 struct drm_encoder *encoder; 279 int i; 280 281 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 282 if (connector->encoder_ids[i] == 0) 283 break; 284 285 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]); 286 if (!encoder) 287 continue; 288 289 if (encoder->encoder_type == encoder_type) 290 return encoder; 291 } 292 return NULL; 293 } 294 295 struct edid *radeon_connector_edid(struct drm_connector *connector) 296 { 297 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 298 struct drm_property_blob *edid_blob = connector->edid_blob_ptr; 299 300 if (radeon_connector->edid) { 301 return radeon_connector->edid; 302 } else if (edid_blob) { 303 struct edid *edid = kmemdup(edid_blob->data, edid_blob->length, GFP_KERNEL); 304 if (edid) 305 radeon_connector->edid = edid; 306 } 307 return radeon_connector->edid; 308 } 309 310 static void radeon_connector_get_edid(struct drm_connector *connector) 311 { 312 struct drm_device *dev = connector->dev; 313 struct radeon_device *rdev = dev->dev_private; 314 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 315 316 if (radeon_connector->edid) 317 return; 318 319 /* on hw with routers, select right port */ 320 if (radeon_connector->router.ddc_valid) 321 radeon_router_select_ddc_port(radeon_connector); 322 323 if ((radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 324 ENCODER_OBJECT_ID_NONE) && 325 radeon_connector->ddc_bus->has_aux) { 326 radeon_connector->edid = drm_get_edid(connector, 327 &radeon_connector->ddc_bus->aux.ddc); 328 } else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) || 329 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) { 330 struct radeon_connector_atom_dig *dig = radeon_connector->con_priv; 331 332 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT || 333 dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) && 334 radeon_connector->ddc_bus->has_aux) 335 radeon_connector->edid = drm_get_edid(&radeon_connector->base, 336 &radeon_connector->ddc_bus->aux.ddc); 337 else if (radeon_connector->ddc_bus) 338 radeon_connector->edid = drm_get_edid(&radeon_connector->base, 339 &radeon_connector->ddc_bus->adapter); 340 } else if (radeon_connector->ddc_bus) { 341 radeon_connector->edid = drm_get_edid(&radeon_connector->base, 342 &radeon_connector->ddc_bus->adapter); 343 } 344 345 if (!radeon_connector->edid) { 346 /* don't fetch the edid from the vbios if ddc fails and runpm is 347 * enabled so we report disconnected. 348 */ 349 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0)) 350 return; 351 352 if (rdev->is_atom_bios) { 353 /* some laptops provide a hardcoded edid in rom for LCDs */ 354 if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) || 355 (connector->connector_type == DRM_MODE_CONNECTOR_eDP))) 356 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev); 357 } else { 358 /* some servers provide a hardcoded edid in rom for KVMs */ 359 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev); 360 } 361 } 362 } 363 364 static void radeon_connector_free_edid(struct drm_connector *connector) 365 { 366 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 367 368 if (radeon_connector->edid) { 369 kfree(radeon_connector->edid); 370 radeon_connector->edid = NULL; 371 } 372 } 373 374 static int radeon_ddc_get_modes(struct drm_connector *connector) 375 { 376 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 377 int ret; 378 379 if (radeon_connector->edid) { 380 drm_mode_connector_update_edid_property(connector, radeon_connector->edid); 381 ret = drm_add_edid_modes(connector, radeon_connector->edid); 382 drm_edid_to_eld(connector, radeon_connector->edid); 383 return ret; 384 } 385 drm_mode_connector_update_edid_property(connector, NULL); 386 return 0; 387 } 388 389 static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector) 390 { 391 int enc_id = connector->encoder_ids[0]; 392 /* pick the encoder ids */ 393 if (enc_id) 394 return drm_encoder_find(connector->dev, enc_id); 395 return NULL; 396 } 397 398 static void radeon_get_native_mode(struct drm_connector *connector) 399 { 400 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 401 struct radeon_encoder *radeon_encoder; 402 403 if (encoder == NULL) 404 return; 405 406 radeon_encoder = to_radeon_encoder(encoder); 407 408 if (!list_empty(&connector->probed_modes)) { 409 struct drm_display_mode *preferred_mode = 410 list_first_entry(&connector->probed_modes, 411 struct drm_display_mode, head); 412 413 radeon_encoder->native_mode = *preferred_mode; 414 } else { 415 radeon_encoder->native_mode.clock = 0; 416 } 417 } 418 419 /* 420 * radeon_connector_analog_encoder_conflict_solve 421 * - search for other connectors sharing this encoder 422 * if priority is true, then set them disconnected if this is connected 423 * if priority is false, set us disconnected if they are connected 424 */ 425 static enum drm_connector_status 426 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector, 427 struct drm_encoder *encoder, 428 enum drm_connector_status current_status, 429 bool priority) 430 { 431 struct drm_device *dev = connector->dev; 432 struct drm_connector *conflict; 433 struct radeon_connector *radeon_conflict; 434 int i; 435 436 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) { 437 if (conflict == connector) 438 continue; 439 440 radeon_conflict = to_radeon_connector(conflict); 441 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 442 if (conflict->encoder_ids[i] == 0) 443 break; 444 445 /* if the IDs match */ 446 if (conflict->encoder_ids[i] == encoder->base.id) { 447 if (conflict->status != connector_status_connected) 448 continue; 449 450 if (radeon_conflict->use_digital) 451 continue; 452 453 if (priority == true) { 454 DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", 455 conflict->name); 456 DRM_DEBUG_KMS("in favor of %s\n", 457 connector->name); 458 conflict->status = connector_status_disconnected; 459 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected); 460 } else { 461 DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", 462 connector->name); 463 DRM_DEBUG_KMS("in favor of %s\n", 464 conflict->name); 465 current_status = connector_status_disconnected; 466 } 467 break; 468 } 469 } 470 } 471 return current_status; 472 473 } 474 475 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder) 476 { 477 struct drm_device *dev = encoder->dev; 478 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 479 struct drm_display_mode *mode = NULL; 480 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 481 482 if (native_mode->hdisplay != 0 && 483 native_mode->vdisplay != 0 && 484 native_mode->clock != 0) { 485 mode = drm_mode_duplicate(dev, native_mode); 486 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; 487 drm_mode_set_name(mode); 488 489 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name); 490 } else if (native_mode->hdisplay != 0 && 491 native_mode->vdisplay != 0) { 492 /* mac laptops without an edid */ 493 /* Note that this is not necessarily the exact panel mode, 494 * but an approximation based on the cvt formula. For these 495 * systems we should ideally read the mode info out of the 496 * registers or add a mode table, but this works and is much 497 * simpler. 498 */ 499 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false); 500 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; 501 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name); 502 } 503 return mode; 504 } 505 506 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector) 507 { 508 struct drm_device *dev = encoder->dev; 509 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 510 struct drm_display_mode *mode = NULL; 511 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 512 int i; 513 struct mode_size { 514 int w; 515 int h; 516 } common_modes[17] = { 517 { 640, 480}, 518 { 720, 480}, 519 { 800, 600}, 520 { 848, 480}, 521 {1024, 768}, 522 {1152, 768}, 523 {1280, 720}, 524 {1280, 800}, 525 {1280, 854}, 526 {1280, 960}, 527 {1280, 1024}, 528 {1440, 900}, 529 {1400, 1050}, 530 {1680, 1050}, 531 {1600, 1200}, 532 {1920, 1080}, 533 {1920, 1200} 534 }; 535 536 for (i = 0; i < 17; i++) { 537 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) { 538 if (common_modes[i].w > 1024 || 539 common_modes[i].h > 768) 540 continue; 541 } 542 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { 543 if (common_modes[i].w > native_mode->hdisplay || 544 common_modes[i].h > native_mode->vdisplay || 545 (common_modes[i].w == native_mode->hdisplay && 546 common_modes[i].h == native_mode->vdisplay)) 547 continue; 548 } 549 if (common_modes[i].w < 320 || common_modes[i].h < 200) 550 continue; 551 552 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false); 553 drm_mode_probed_add(connector, mode); 554 } 555 } 556 557 static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property, 558 uint64_t val) 559 { 560 struct drm_device *dev = connector->dev; 561 struct radeon_device *rdev = dev->dev_private; 562 struct drm_encoder *encoder; 563 struct radeon_encoder *radeon_encoder; 564 565 if (property == rdev->mode_info.coherent_mode_property) { 566 struct radeon_encoder_atom_dig *dig; 567 bool new_coherent_mode; 568 569 /* need to find digital encoder on connector */ 570 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 571 if (!encoder) 572 return 0; 573 574 radeon_encoder = to_radeon_encoder(encoder); 575 576 if (!radeon_encoder->enc_priv) 577 return 0; 578 579 dig = radeon_encoder->enc_priv; 580 new_coherent_mode = val ? true : false; 581 if (dig->coherent_mode != new_coherent_mode) { 582 dig->coherent_mode = new_coherent_mode; 583 radeon_property_change_mode(&radeon_encoder->base); 584 } 585 } 586 587 if (property == rdev->mode_info.audio_property) { 588 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 589 /* need to find digital encoder on connector */ 590 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 591 if (!encoder) 592 return 0; 593 594 radeon_encoder = to_radeon_encoder(encoder); 595 596 if (radeon_connector->audio != val) { 597 radeon_connector->audio = val; 598 radeon_property_change_mode(&radeon_encoder->base); 599 } 600 } 601 602 if (property == rdev->mode_info.dither_property) { 603 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 604 /* need to find digital encoder on connector */ 605 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 606 if (!encoder) 607 return 0; 608 609 radeon_encoder = to_radeon_encoder(encoder); 610 611 if (radeon_connector->dither != val) { 612 radeon_connector->dither = val; 613 radeon_property_change_mode(&radeon_encoder->base); 614 } 615 } 616 617 if (property == rdev->mode_info.underscan_property) { 618 /* need to find digital encoder on connector */ 619 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 620 if (!encoder) 621 return 0; 622 623 radeon_encoder = to_radeon_encoder(encoder); 624 625 if (radeon_encoder->underscan_type != val) { 626 radeon_encoder->underscan_type = val; 627 radeon_property_change_mode(&radeon_encoder->base); 628 } 629 } 630 631 if (property == rdev->mode_info.underscan_hborder_property) { 632 /* need to find digital encoder on connector */ 633 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 634 if (!encoder) 635 return 0; 636 637 radeon_encoder = to_radeon_encoder(encoder); 638 639 if (radeon_encoder->underscan_hborder != val) { 640 radeon_encoder->underscan_hborder = val; 641 radeon_property_change_mode(&radeon_encoder->base); 642 } 643 } 644 645 if (property == rdev->mode_info.underscan_vborder_property) { 646 /* need to find digital encoder on connector */ 647 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 648 if (!encoder) 649 return 0; 650 651 radeon_encoder = to_radeon_encoder(encoder); 652 653 if (radeon_encoder->underscan_vborder != val) { 654 radeon_encoder->underscan_vborder = val; 655 radeon_property_change_mode(&radeon_encoder->base); 656 } 657 } 658 659 if (property == rdev->mode_info.tv_std_property) { 660 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC); 661 if (!encoder) { 662 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC); 663 } 664 665 if (!encoder) 666 return 0; 667 668 radeon_encoder = to_radeon_encoder(encoder); 669 if (!radeon_encoder->enc_priv) 670 return 0; 671 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) { 672 struct radeon_encoder_atom_dac *dac_int; 673 dac_int = radeon_encoder->enc_priv; 674 dac_int->tv_std = val; 675 } else { 676 struct radeon_encoder_tv_dac *dac_int; 677 dac_int = radeon_encoder->enc_priv; 678 dac_int->tv_std = val; 679 } 680 radeon_property_change_mode(&radeon_encoder->base); 681 } 682 683 if (property == rdev->mode_info.load_detect_property) { 684 struct radeon_connector *radeon_connector = 685 to_radeon_connector(connector); 686 687 if (val == 0) 688 radeon_connector->dac_load_detect = false; 689 else 690 radeon_connector->dac_load_detect = true; 691 } 692 693 if (property == rdev->mode_info.tmds_pll_property) { 694 struct radeon_encoder_int_tmds *tmds = NULL; 695 bool ret = false; 696 /* need to find digital encoder on connector */ 697 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 698 if (!encoder) 699 return 0; 700 701 radeon_encoder = to_radeon_encoder(encoder); 702 703 tmds = radeon_encoder->enc_priv; 704 if (!tmds) 705 return 0; 706 707 if (val == 0) { 708 if (rdev->is_atom_bios) 709 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds); 710 else 711 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds); 712 } 713 if (val == 1 || ret == false) { 714 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds); 715 } 716 radeon_property_change_mode(&radeon_encoder->base); 717 } 718 719 if (property == dev->mode_config.scaling_mode_property) { 720 enum radeon_rmx_type rmx_type; 721 722 if (connector->encoder) 723 radeon_encoder = to_radeon_encoder(connector->encoder); 724 else { 725 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 726 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); 727 } 728 729 switch (val) { 730 default: 731 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break; 732 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break; 733 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break; 734 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break; 735 } 736 if (radeon_encoder->rmx_type == rmx_type) 737 return 0; 738 739 if ((rmx_type != DRM_MODE_SCALE_NONE) && 740 (radeon_encoder->native_mode.clock == 0)) 741 return 0; 742 743 radeon_encoder->rmx_type = rmx_type; 744 745 radeon_property_change_mode(&radeon_encoder->base); 746 } 747 748 if (property == rdev->mode_info.output_csc_property) { 749 if (connector->encoder) 750 radeon_encoder = to_radeon_encoder(connector->encoder); 751 else { 752 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 753 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); 754 } 755 756 if (radeon_encoder->output_csc == val) 757 return 0; 758 759 radeon_encoder->output_csc = val; 760 761 if (connector->encoder->crtc) { 762 struct drm_crtc *crtc = connector->encoder->crtc; 763 const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; 764 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 765 766 radeon_crtc->output_csc = radeon_encoder->output_csc; 767 768 (*crtc_funcs->load_lut)(crtc); 769 } 770 } 771 772 return 0; 773 } 774 775 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder, 776 struct drm_connector *connector) 777 { 778 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 779 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 780 struct drm_display_mode *t, *mode; 781 782 /* If the EDID preferred mode doesn't match the native mode, use it */ 783 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) { 784 if (mode->type & DRM_MODE_TYPE_PREFERRED) { 785 if (mode->hdisplay != native_mode->hdisplay || 786 mode->vdisplay != native_mode->vdisplay) 787 memcpy(native_mode, mode, sizeof(*mode)); 788 } 789 } 790 791 /* Try to get native mode details from EDID if necessary */ 792 if (!native_mode->clock) { 793 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) { 794 if (mode->hdisplay == native_mode->hdisplay && 795 mode->vdisplay == native_mode->vdisplay) { 796 *native_mode = *mode; 797 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V); 798 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n"); 799 break; 800 } 801 } 802 } 803 804 if (!native_mode->clock) { 805 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n"); 806 radeon_encoder->rmx_type = RMX_OFF; 807 } 808 } 809 810 static int radeon_lvds_get_modes(struct drm_connector *connector) 811 { 812 struct drm_encoder *encoder; 813 int ret = 0; 814 struct drm_display_mode *mode; 815 816 radeon_connector_get_edid(connector); 817 ret = radeon_ddc_get_modes(connector); 818 if (ret > 0) { 819 encoder = radeon_best_single_encoder(connector); 820 if (encoder) { 821 radeon_fixup_lvds_native_mode(encoder, connector); 822 /* add scaled modes */ 823 radeon_add_common_modes(encoder, connector); 824 } 825 return ret; 826 } 827 828 encoder = radeon_best_single_encoder(connector); 829 if (!encoder) 830 return 0; 831 832 /* we have no EDID modes */ 833 mode = radeon_fp_native_mode(encoder); 834 if (mode) { 835 ret = 1; 836 drm_mode_probed_add(connector, mode); 837 /* add the width/height from vbios tables if available */ 838 connector->display_info.width_mm = mode->width_mm; 839 connector->display_info.height_mm = mode->height_mm; 840 /* add scaled modes */ 841 radeon_add_common_modes(encoder, connector); 842 } 843 844 return ret; 845 } 846 847 static enum drm_mode_status radeon_lvds_mode_valid(struct drm_connector *connector, 848 struct drm_display_mode *mode) 849 { 850 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 851 852 if ((mode->hdisplay < 320) || (mode->vdisplay < 240)) 853 return MODE_PANEL; 854 855 if (encoder) { 856 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 857 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 858 859 /* AVIVO hardware supports downscaling modes larger than the panel 860 * to the panel size, but I'm not sure this is desirable. 861 */ 862 if ((mode->hdisplay > native_mode->hdisplay) || 863 (mode->vdisplay > native_mode->vdisplay)) 864 return MODE_PANEL; 865 866 /* if scaling is disabled, block non-native modes */ 867 if (radeon_encoder->rmx_type == RMX_OFF) { 868 if ((mode->hdisplay != native_mode->hdisplay) || 869 (mode->vdisplay != native_mode->vdisplay)) 870 return MODE_PANEL; 871 } 872 } 873 874 return MODE_OK; 875 } 876 877 static enum drm_connector_status 878 radeon_lvds_detect(struct drm_connector *connector, bool force) 879 { 880 struct drm_device *dev = connector->dev; 881 struct radeon_device *rdev = dev->dev_private; 882 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 883 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 884 enum drm_connector_status ret = connector_status_disconnected; 885 #ifdef PM_TODO 886 int r; 887 888 r = pm_runtime_get_sync(connector->dev->dev); 889 if (r < 0) 890 return connector_status_disconnected; 891 #endif 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 #ifdef PM_TODO 915 pm_runtime_mark_last_busy(connector->dev->dev); 916 pm_runtime_put_autosuspend(connector->dev->dev); 917 #endif 918 return ret; 919 } 920 921 static void radeon_connector_destroy(struct drm_connector *connector) 922 { 923 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 924 925 radeon_connector_free_edid(connector); 926 kfree(radeon_connector->con_priv); 927 drm_connector_unregister(connector); 928 drm_connector_cleanup(connector); 929 kfree(connector); 930 } 931 932 static int radeon_lvds_set_property(struct drm_connector *connector, 933 struct drm_property *property, 934 uint64_t value) 935 { 936 struct drm_device *dev = connector->dev; 937 struct radeon_encoder *radeon_encoder; 938 enum radeon_rmx_type rmx_type; 939 940 DRM_DEBUG_KMS("\n"); 941 if (property != dev->mode_config.scaling_mode_property) 942 return 0; 943 944 if (connector->encoder) 945 radeon_encoder = to_radeon_encoder(connector->encoder); 946 else { 947 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 948 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); 949 } 950 951 switch (value) { 952 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break; 953 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break; 954 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break; 955 default: 956 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break; 957 } 958 if (radeon_encoder->rmx_type == rmx_type) 959 return 0; 960 961 radeon_encoder->rmx_type = rmx_type; 962 963 radeon_property_change_mode(&radeon_encoder->base); 964 return 0; 965 } 966 967 968 static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = { 969 .get_modes = radeon_lvds_get_modes, 970 .mode_valid = radeon_lvds_mode_valid, 971 .best_encoder = radeon_best_single_encoder, 972 }; 973 974 static const struct drm_connector_funcs radeon_lvds_connector_funcs = { 975 .dpms = drm_helper_connector_dpms, 976 .detect = radeon_lvds_detect, 977 .fill_modes = drm_helper_probe_single_connector_modes, 978 .destroy = radeon_connector_destroy, 979 .set_property = radeon_lvds_set_property, 980 }; 981 982 static int radeon_vga_get_modes(struct drm_connector *connector) 983 { 984 int ret; 985 986 radeon_connector_get_edid(connector); 987 ret = radeon_ddc_get_modes(connector); 988 989 radeon_get_native_mode(connector); 990 991 return ret; 992 } 993 994 static enum drm_mode_status radeon_vga_mode_valid(struct drm_connector *connector, 995 struct drm_display_mode *mode) 996 { 997 struct drm_device *dev = connector->dev; 998 struct radeon_device *rdev = dev->dev_private; 999 1000 /* XXX check mode bandwidth */ 1001 1002 if ((mode->clock / 10) > rdev->clock.max_pixel_clock) 1003 return MODE_CLOCK_HIGH; 1004 1005 return MODE_OK; 1006 } 1007 1008 static enum drm_connector_status 1009 radeon_vga_detect(struct drm_connector *connector, bool force) 1010 { 1011 struct drm_device *dev = connector->dev; 1012 struct radeon_device *rdev = dev->dev_private; 1013 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1014 struct drm_encoder *encoder; 1015 const struct drm_encoder_helper_funcs *encoder_funcs; 1016 bool dret = false; 1017 enum drm_connector_status ret = connector_status_disconnected; 1018 #ifdef PM_TODO 1019 int r; 1020 1021 r = pm_runtime_get_sync(connector->dev->dev); 1022 if (r < 0) 1023 return connector_status_disconnected; 1024 #endif 1025 1026 encoder = radeon_best_single_encoder(connector); 1027 if (!encoder) 1028 ret = connector_status_disconnected; 1029 1030 if (radeon_connector->ddc_bus) 1031 dret = radeon_ddc_probe(radeon_connector, false); 1032 if (dret) { 1033 radeon_connector->detected_by_load = false; 1034 radeon_connector_free_edid(connector); 1035 radeon_connector_get_edid(connector); 1036 1037 if (!radeon_connector->edid) { 1038 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n", 1039 connector->name); 1040 ret = connector_status_connected; 1041 } else { 1042 radeon_connector->use_digital = 1043 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL); 1044 1045 /* some oems have boards with separate digital and analog connectors 1046 * with a shared ddc line (often vga + hdmi) 1047 */ 1048 if (radeon_connector->use_digital && radeon_connector->shared_ddc) { 1049 radeon_connector_free_edid(connector); 1050 ret = connector_status_disconnected; 1051 } else { 1052 ret = connector_status_connected; 1053 } 1054 } 1055 } else { 1056 1057 /* if we aren't forcing don't do destructive polling */ 1058 if (!force) { 1059 /* only return the previous status if we last 1060 * detected a monitor via load. 1061 */ 1062 if (radeon_connector->detected_by_load) 1063 ret = connector->status; 1064 goto out; 1065 } 1066 1067 if (radeon_connector->dac_load_detect && encoder) { 1068 encoder_funcs = encoder->helper_private; 1069 ret = encoder_funcs->detect(encoder, connector); 1070 if (ret != connector_status_disconnected) 1071 radeon_connector->detected_by_load = true; 1072 } 1073 } 1074 1075 if (ret == connector_status_connected) 1076 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true); 1077 1078 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the 1079 * vbios to deal with KVMs. If we have one and are not able to detect a monitor 1080 * by other means, assume the CRT is connected and use that EDID. 1081 */ 1082 if ((!rdev->is_atom_bios) && 1083 (ret == connector_status_disconnected) && 1084 rdev->mode_info.bios_hardcoded_edid_size) { 1085 ret = connector_status_connected; 1086 } 1087 1088 radeon_connector_update_scratch_regs(connector, ret); 1089 1090 out: 1091 #ifdef PM_TODO 1092 pm_runtime_mark_last_busy(connector->dev->dev); 1093 pm_runtime_put_autosuspend(connector->dev->dev); 1094 #endif 1095 1096 return ret; 1097 } 1098 1099 static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = { 1100 .get_modes = radeon_vga_get_modes, 1101 .mode_valid = radeon_vga_mode_valid, 1102 .best_encoder = radeon_best_single_encoder, 1103 }; 1104 1105 static const struct drm_connector_funcs radeon_vga_connector_funcs = { 1106 .dpms = drm_helper_connector_dpms, 1107 .detect = radeon_vga_detect, 1108 .fill_modes = drm_helper_probe_single_connector_modes, 1109 .destroy = radeon_connector_destroy, 1110 .set_property = radeon_connector_set_property, 1111 }; 1112 1113 static int radeon_tv_get_modes(struct drm_connector *connector) 1114 { 1115 struct drm_device *dev = connector->dev; 1116 struct radeon_device *rdev = dev->dev_private; 1117 struct drm_display_mode *tv_mode; 1118 struct drm_encoder *encoder; 1119 1120 encoder = radeon_best_single_encoder(connector); 1121 if (!encoder) 1122 return 0; 1123 1124 /* avivo chips can scale any mode */ 1125 if (rdev->family >= CHIP_RS600) 1126 /* add scaled modes */ 1127 radeon_add_common_modes(encoder, connector); 1128 else { 1129 /* only 800x600 is supported right now on pre-avivo chips */ 1130 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false); 1131 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; 1132 drm_mode_probed_add(connector, tv_mode); 1133 } 1134 return 1; 1135 } 1136 1137 static enum drm_mode_status radeon_tv_mode_valid(struct drm_connector *connector, 1138 struct drm_display_mode *mode) 1139 { 1140 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768)) 1141 return MODE_CLOCK_RANGE; 1142 return MODE_OK; 1143 } 1144 1145 static enum drm_connector_status 1146 radeon_tv_detect(struct drm_connector *connector, bool force) 1147 { 1148 struct drm_encoder *encoder; 1149 const struct drm_encoder_helper_funcs *encoder_funcs; 1150 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1151 enum drm_connector_status ret = connector_status_disconnected; 1152 #ifdef PM_TODO 1153 int r; 1154 #endif 1155 1156 if (!radeon_connector->dac_load_detect) 1157 return ret; 1158 1159 #ifdef PM_TODO 1160 r = pm_runtime_get_sync(connector->dev->dev); 1161 if (r < 0) 1162 return connector_status_disconnected; 1163 #endif 1164 1165 encoder = radeon_best_single_encoder(connector); 1166 if (!encoder) 1167 ret = connector_status_disconnected; 1168 else { 1169 encoder_funcs = encoder->helper_private; 1170 ret = encoder_funcs->detect(encoder, connector); 1171 } 1172 if (ret == connector_status_connected) 1173 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false); 1174 radeon_connector_update_scratch_regs(connector, ret); 1175 #ifdef PM_TODO 1176 pm_runtime_mark_last_busy(connector->dev->dev); 1177 pm_runtime_put_autosuspend(connector->dev->dev); 1178 #endif 1179 return ret; 1180 } 1181 1182 static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = { 1183 .get_modes = radeon_tv_get_modes, 1184 .mode_valid = radeon_tv_mode_valid, 1185 .best_encoder = radeon_best_single_encoder, 1186 }; 1187 1188 static const struct drm_connector_funcs radeon_tv_connector_funcs = { 1189 .dpms = drm_helper_connector_dpms, 1190 .detect = radeon_tv_detect, 1191 .fill_modes = drm_helper_probe_single_connector_modes, 1192 .destroy = radeon_connector_destroy, 1193 .set_property = radeon_connector_set_property, 1194 }; 1195 1196 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector) 1197 { 1198 struct drm_device *dev = connector->dev; 1199 struct radeon_device *rdev = dev->dev_private; 1200 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1201 enum drm_connector_status status; 1202 1203 /* We only trust HPD on R600 and newer ASICS. */ 1204 if (rdev->family >= CHIP_R600 1205 && radeon_connector->hpd.hpd != RADEON_HPD_NONE) { 1206 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) 1207 status = connector_status_connected; 1208 else 1209 status = connector_status_disconnected; 1210 if (connector->status == status) 1211 return true; 1212 } 1213 1214 return false; 1215 } 1216 1217 /* 1218 * DVI is complicated 1219 * Do a DDC probe, if DDC probe passes, get the full EDID so 1220 * we can do analog/digital monitor detection at this point. 1221 * If the monitor is an analog monitor or we got no DDC, 1222 * we need to find the DAC encoder object for this connector. 1223 * If we got no DDC, we do load detection on the DAC encoder object. 1224 * If we got analog DDC or load detection passes on the DAC encoder 1225 * we have to check if this analog encoder is shared with anyone else (TV) 1226 * if its shared we have to set the other connector to disconnected. 1227 */ 1228 static enum drm_connector_status 1229 radeon_dvi_detect(struct drm_connector *connector, bool force) 1230 { 1231 struct drm_device *dev = connector->dev; 1232 struct radeon_device *rdev = dev->dev_private; 1233 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1234 struct drm_encoder *encoder = NULL; 1235 const struct drm_encoder_helper_funcs *encoder_funcs; 1236 int i; 1237 enum drm_connector_status ret = connector_status_disconnected; 1238 bool dret = false, broken_edid = false; 1239 1240 #ifdef PM_TODO 1241 r = pm_runtime_get_sync(connector->dev->dev); 1242 if (r < 0) 1243 return connector_status_disconnected; 1244 #endif 1245 1246 if (radeon_connector->detected_hpd_without_ddc) { 1247 force = true; 1248 radeon_connector->detected_hpd_without_ddc = false; 1249 } 1250 1251 if (!force && radeon_check_hpd_status_unchanged(connector)) { 1252 ret = connector->status; 1253 goto exit; 1254 } 1255 1256 if (radeon_connector->ddc_bus) { 1257 dret = radeon_ddc_probe(radeon_connector, false); 1258 1259 /* Sometimes the pins required for the DDC probe on DVI 1260 * connectors don't make contact at the same time that the ones 1261 * for HPD do. If the DDC probe fails even though we had an HPD 1262 * signal, try again later */ 1263 if (!dret && !force && 1264 connector->status != connector_status_connected) { 1265 DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n"); 1266 radeon_connector->detected_hpd_without_ddc = true; 1267 schedule_delayed_work(&rdev->hotplug_work, 1268 msecs_to_jiffies(1000)); 1269 goto exit; 1270 } 1271 } 1272 if (dret) { 1273 radeon_connector->detected_by_load = false; 1274 radeon_connector_free_edid(connector); 1275 radeon_connector_get_edid(connector); 1276 1277 if (!radeon_connector->edid) { 1278 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n", 1279 connector->name); 1280 /* rs690 seems to have a problem with connectors not existing and always 1281 * return a block of 0's. If we see this just stop polling on this output */ 1282 if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && 1283 radeon_connector->base.null_edid_counter) { 1284 ret = connector_status_disconnected; 1285 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", 1286 connector->name); 1287 radeon_connector->ddc_bus = NULL; 1288 } else { 1289 ret = connector_status_connected; 1290 broken_edid = true; /* defer use_digital to later */ 1291 } 1292 } else { 1293 radeon_connector->use_digital = 1294 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL); 1295 1296 /* some oems have boards with separate digital and analog connectors 1297 * with a shared ddc line (often vga + hdmi) 1298 */ 1299 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) { 1300 radeon_connector_free_edid(connector); 1301 ret = connector_status_disconnected; 1302 } else { 1303 ret = connector_status_connected; 1304 } 1305 /* This gets complicated. We have boards with VGA + HDMI with a 1306 * shared DDC line and we have boards with DVI-D + HDMI with a shared 1307 * DDC line. The latter is more complex because with DVI<->HDMI adapters 1308 * you don't really know what's connected to which port as both are digital. 1309 */ 1310 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) { 1311 struct drm_connector *list_connector; 1312 struct radeon_connector *list_radeon_connector; 1313 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) { 1314 if (connector == list_connector) 1315 continue; 1316 list_radeon_connector = to_radeon_connector(list_connector); 1317 if (list_radeon_connector->shared_ddc && 1318 (list_radeon_connector->ddc_bus->rec.i2c_id == 1319 radeon_connector->ddc_bus->rec.i2c_id)) { 1320 /* cases where both connectors are digital */ 1321 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) { 1322 /* hpd is our only option in this case */ 1323 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { 1324 radeon_connector_free_edid(connector); 1325 ret = connector_status_disconnected; 1326 } 1327 } 1328 } 1329 } 1330 } 1331 } 1332 } 1333 1334 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true)) 1335 goto out; 1336 1337 /* DVI-D and HDMI-A are digital only */ 1338 if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) || 1339 (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA)) 1340 goto out; 1341 1342 /* if we aren't forcing don't do destructive polling */ 1343 if (!force) { 1344 /* only return the previous status if we last 1345 * detected a monitor via load. 1346 */ 1347 if (radeon_connector->detected_by_load) 1348 ret = connector->status; 1349 goto out; 1350 } 1351 1352 /* find analog encoder */ 1353 if (radeon_connector->dac_load_detect) { 1354 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1355 if (connector->encoder_ids[i] == 0) 1356 break; 1357 1358 encoder = drm_encoder_find(connector->dev, 1359 connector->encoder_ids[i]); 1360 if (!encoder) 1361 continue; 1362 1363 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC && 1364 encoder->encoder_type != DRM_MODE_ENCODER_TVDAC) 1365 continue; 1366 1367 encoder_funcs = encoder->helper_private; 1368 if (encoder_funcs->detect) { 1369 if (!broken_edid) { 1370 if (ret != connector_status_connected) { 1371 /* deal with analog monitors without DDC */ 1372 ret = encoder_funcs->detect(encoder, connector); 1373 if (ret == connector_status_connected) { 1374 radeon_connector->use_digital = false; 1375 } 1376 if (ret != connector_status_disconnected) 1377 radeon_connector->detected_by_load = true; 1378 } 1379 } else { 1380 enum drm_connector_status lret; 1381 /* assume digital unless load detected otherwise */ 1382 radeon_connector->use_digital = true; 1383 lret = encoder_funcs->detect(encoder, connector); 1384 DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret); 1385 if (lret == connector_status_connected) 1386 radeon_connector->use_digital = false; 1387 } 1388 break; 1389 } 1390 } 1391 } 1392 1393 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) && 1394 encoder) { 1395 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true); 1396 } 1397 1398 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the 1399 * vbios to deal with KVMs. If we have one and are not able to detect a monitor 1400 * by other means, assume the DFP is connected and use that EDID. In most 1401 * cases the DVI port is actually a virtual KVM port connected to the service 1402 * processor. 1403 */ 1404 out: 1405 if ((!rdev->is_atom_bios) && 1406 (ret == connector_status_disconnected) && 1407 rdev->mode_info.bios_hardcoded_edid_size) { 1408 radeon_connector->use_digital = true; 1409 ret = connector_status_connected; 1410 } 1411 1412 /* updated in get modes as well since we need to know if it's analog or digital */ 1413 radeon_connector_update_scratch_regs(connector, ret); 1414 1415 if ((radeon_audio != 0) && radeon_connector->use_digital) { 1416 const struct drm_connector_helper_funcs *connector_funcs = 1417 connector->helper_private; 1418 1419 encoder = connector_funcs->best_encoder(connector); 1420 if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) { 1421 radeon_connector_get_edid(connector); 1422 radeon_audio_detect(connector, encoder, ret); 1423 } 1424 } 1425 1426 exit: 1427 #ifdef PM_TODO 1428 pm_runtime_mark_last_busy(connector->dev->dev); 1429 pm_runtime_put_autosuspend(connector->dev->dev); 1430 #endif 1431 1432 return ret; 1433 } 1434 1435 /* okay need to be smart in here about which encoder to pick */ 1436 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector) 1437 { 1438 int enc_id = connector->encoder_ids[0]; 1439 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1440 struct drm_encoder *encoder; 1441 int i; 1442 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1443 if (connector->encoder_ids[i] == 0) 1444 break; 1445 1446 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]); 1447 if (!encoder) 1448 continue; 1449 1450 if (radeon_connector->use_digital == true) { 1451 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS) 1452 return encoder; 1453 } else { 1454 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC || 1455 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC) 1456 return encoder; 1457 } 1458 } 1459 1460 /* see if we have a default encoder TODO */ 1461 1462 /* then check use digitial */ 1463 /* pick the first one */ 1464 if (enc_id) 1465 return drm_encoder_find(connector->dev, enc_id); 1466 return NULL; 1467 } 1468 1469 static void radeon_dvi_force(struct drm_connector *connector) 1470 { 1471 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1472 if (connector->force == DRM_FORCE_ON) 1473 radeon_connector->use_digital = false; 1474 if (connector->force == DRM_FORCE_ON_DIGITAL) 1475 radeon_connector->use_digital = true; 1476 } 1477 1478 static enum drm_mode_status radeon_dvi_mode_valid(struct drm_connector *connector, 1479 struct drm_display_mode *mode) 1480 { 1481 struct drm_device *dev = connector->dev; 1482 struct radeon_device *rdev = dev->dev_private; 1483 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1484 1485 /* XXX check mode bandwidth */ 1486 1487 /* clocks over 135 MHz have heat issues with DVI on RV100 */ 1488 if (radeon_connector->use_digital && 1489 (rdev->family == CHIP_RV100) && 1490 (mode->clock > 135000)) 1491 return MODE_CLOCK_HIGH; 1492 1493 if (radeon_connector->use_digital && (mode->clock > 165000)) { 1494 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) || 1495 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) || 1496 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B)) 1497 return MODE_OK; 1498 else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 1499 /* HDMI 1.3+ supports max clock of 340 Mhz */ 1500 if (mode->clock > 340000) 1501 return MODE_CLOCK_HIGH; 1502 else 1503 return MODE_OK; 1504 } else { 1505 return MODE_CLOCK_HIGH; 1506 } 1507 } 1508 1509 /* check against the max pixel clock */ 1510 if ((mode->clock / 10) > rdev->clock.max_pixel_clock) 1511 return MODE_CLOCK_HIGH; 1512 1513 return MODE_OK; 1514 } 1515 1516 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = { 1517 .get_modes = radeon_vga_get_modes, 1518 .mode_valid = radeon_dvi_mode_valid, 1519 .best_encoder = radeon_dvi_encoder, 1520 }; 1521 1522 static const struct drm_connector_funcs radeon_dvi_connector_funcs = { 1523 .dpms = drm_helper_connector_dpms, 1524 .detect = radeon_dvi_detect, 1525 .fill_modes = drm_helper_probe_single_connector_modes, 1526 .set_property = radeon_connector_set_property, 1527 .destroy = radeon_connector_destroy, 1528 .force = radeon_dvi_force, 1529 }; 1530 1531 static int radeon_dp_get_modes(struct drm_connector *connector) 1532 { 1533 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1534 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1535 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1536 int ret; 1537 1538 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1539 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1540 struct drm_display_mode *mode; 1541 1542 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) { 1543 if (!radeon_dig_connector->edp_on) 1544 atombios_set_edp_panel_power(connector, 1545 ATOM_TRANSMITTER_ACTION_POWER_ON); 1546 radeon_connector_get_edid(connector); 1547 ret = radeon_ddc_get_modes(connector); 1548 if (!radeon_dig_connector->edp_on) 1549 atombios_set_edp_panel_power(connector, 1550 ATOM_TRANSMITTER_ACTION_POWER_OFF); 1551 } else { 1552 /* need to setup ddc on the bridge */ 1553 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1554 ENCODER_OBJECT_ID_NONE) { 1555 if (encoder) 1556 radeon_atom_ext_encoder_setup_ddc(encoder); 1557 } 1558 radeon_connector_get_edid(connector); 1559 ret = radeon_ddc_get_modes(connector); 1560 } 1561 1562 if (ret > 0) { 1563 if (encoder) { 1564 radeon_fixup_lvds_native_mode(encoder, connector); 1565 /* add scaled modes */ 1566 radeon_add_common_modes(encoder, connector); 1567 } 1568 return ret; 1569 } 1570 1571 if (!encoder) 1572 return 0; 1573 1574 /* we have no EDID modes */ 1575 mode = radeon_fp_native_mode(encoder); 1576 if (mode) { 1577 ret = 1; 1578 drm_mode_probed_add(connector, mode); 1579 /* add the width/height from vbios tables if available */ 1580 connector->display_info.width_mm = mode->width_mm; 1581 connector->display_info.height_mm = mode->height_mm; 1582 /* add scaled modes */ 1583 radeon_add_common_modes(encoder, connector); 1584 } 1585 } else { 1586 /* need to setup ddc on the bridge */ 1587 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1588 ENCODER_OBJECT_ID_NONE) { 1589 if (encoder) 1590 radeon_atom_ext_encoder_setup_ddc(encoder); 1591 } 1592 radeon_connector_get_edid(connector); 1593 ret = radeon_ddc_get_modes(connector); 1594 1595 radeon_get_native_mode(connector); 1596 } 1597 1598 return ret; 1599 } 1600 1601 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector) 1602 { 1603 struct drm_encoder *encoder; 1604 struct radeon_encoder *radeon_encoder; 1605 int i; 1606 1607 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1608 if (connector->encoder_ids[i] == 0) 1609 break; 1610 1611 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]); 1612 if (!encoder) 1613 continue; 1614 1615 radeon_encoder = to_radeon_encoder(encoder); 1616 1617 switch (radeon_encoder->encoder_id) { 1618 case ENCODER_OBJECT_ID_TRAVIS: 1619 case ENCODER_OBJECT_ID_NUTMEG: 1620 return radeon_encoder->encoder_id; 1621 default: 1622 break; 1623 } 1624 } 1625 1626 return ENCODER_OBJECT_ID_NONE; 1627 } 1628 1629 static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector) 1630 { 1631 struct drm_encoder *encoder; 1632 struct radeon_encoder *radeon_encoder; 1633 int i; 1634 bool found = false; 1635 1636 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1637 if (connector->encoder_ids[i] == 0) 1638 break; 1639 1640 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]); 1641 if (!encoder) 1642 continue; 1643 1644 radeon_encoder = to_radeon_encoder(encoder); 1645 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2) 1646 found = true; 1647 } 1648 1649 return found; 1650 } 1651 1652 bool radeon_connector_is_dp12_capable(struct drm_connector *connector) 1653 { 1654 struct drm_device *dev = connector->dev; 1655 struct radeon_device *rdev = dev->dev_private; 1656 1657 if (ASIC_IS_DCE5(rdev) && 1658 (rdev->clock.default_dispclk >= 53900) && 1659 radeon_connector_encoder_is_hbr2(connector)) { 1660 return true; 1661 } 1662 1663 return false; 1664 } 1665 1666 static enum drm_connector_status 1667 radeon_dp_detect(struct drm_connector *connector, bool force) 1668 { 1669 struct drm_device *dev = connector->dev; 1670 struct radeon_device *rdev = dev->dev_private; 1671 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1672 enum drm_connector_status ret = connector_status_disconnected; 1673 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1674 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1675 int r; 1676 1677 if (radeon_dig_connector->is_mst) 1678 return connector_status_disconnected; 1679 1680 #ifdef PM_TODO 1681 r = pm_runtime_get_sync(connector->dev->dev); 1682 if (r < 0) 1683 return connector_status_disconnected; 1684 #endif 1685 1686 if (!force && radeon_check_hpd_status_unchanged(connector)) { 1687 ret = connector->status; 1688 goto out; 1689 } 1690 1691 radeon_connector_free_edid(connector); 1692 1693 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1694 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1695 if (encoder) { 1696 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 1697 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 1698 1699 /* check if panel is valid */ 1700 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240) 1701 ret = connector_status_connected; 1702 /* don't fetch the edid from the vbios if ddc fails and runpm is 1703 * enabled so we report disconnected. 1704 */ 1705 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0)) 1706 ret = connector_status_disconnected; 1707 } 1708 /* eDP is always DP */ 1709 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; 1710 if (!radeon_dig_connector->edp_on) 1711 atombios_set_edp_panel_power(connector, 1712 ATOM_TRANSMITTER_ACTION_POWER_ON); 1713 if (radeon_dp_getdpcd(radeon_connector)) 1714 ret = connector_status_connected; 1715 if (!radeon_dig_connector->edp_on) 1716 atombios_set_edp_panel_power(connector, 1717 ATOM_TRANSMITTER_ACTION_POWER_OFF); 1718 } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1719 ENCODER_OBJECT_ID_NONE) { 1720 /* DP bridges are always DP */ 1721 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; 1722 /* get the DPCD from the bridge */ 1723 radeon_dp_getdpcd(radeon_connector); 1724 1725 if (encoder) { 1726 /* setup ddc on the bridge */ 1727 radeon_atom_ext_encoder_setup_ddc(encoder); 1728 /* bridge chips are always aux */ 1729 if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */ 1730 ret = connector_status_connected; 1731 else if (radeon_connector->dac_load_detect) { /* try load detection */ 1732 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private; 1733 ret = encoder_funcs->detect(encoder, connector); 1734 } 1735 } 1736 } else { 1737 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector); 1738 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { 1739 ret = connector_status_connected; 1740 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) { 1741 radeon_dp_getdpcd(radeon_connector); 1742 r = radeon_dp_mst_probe(radeon_connector); 1743 if (r == 1) 1744 ret = connector_status_disconnected; 1745 } 1746 } else { 1747 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) { 1748 if (radeon_dp_getdpcd(radeon_connector)) { 1749 r = radeon_dp_mst_probe(radeon_connector); 1750 if (r == 1) 1751 ret = connector_status_disconnected; 1752 else 1753 ret = connector_status_connected; 1754 } 1755 } else { 1756 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */ 1757 if (radeon_ddc_probe(radeon_connector, false)) 1758 ret = connector_status_connected; 1759 } 1760 } 1761 } 1762 1763 radeon_connector_update_scratch_regs(connector, ret); 1764 1765 if ((radeon_audio != 0) && encoder) { 1766 radeon_connector_get_edid(connector); 1767 radeon_audio_detect(connector, encoder, ret); 1768 } 1769 1770 out: 1771 #ifdef PM_TODO 1772 pm_runtime_mark_last_busy(connector->dev->dev); 1773 pm_runtime_put_autosuspend(connector->dev->dev); 1774 #endif 1775 1776 return ret; 1777 } 1778 1779 static enum drm_mode_status radeon_dp_mode_valid(struct drm_connector *connector, 1780 struct drm_display_mode *mode) 1781 { 1782 struct drm_device *dev = connector->dev; 1783 struct radeon_device *rdev = dev->dev_private; 1784 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1785 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1786 1787 /* XXX check mode bandwidth */ 1788 1789 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1790 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1791 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1792 1793 if ((mode->hdisplay < 320) || (mode->vdisplay < 240)) 1794 return MODE_PANEL; 1795 1796 if (encoder) { 1797 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 1798 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 1799 1800 /* AVIVO hardware supports downscaling modes larger than the panel 1801 * to the panel size, but I'm not sure this is desirable. 1802 */ 1803 if ((mode->hdisplay > native_mode->hdisplay) || 1804 (mode->vdisplay > native_mode->vdisplay)) 1805 return MODE_PANEL; 1806 1807 /* if scaling is disabled, block non-native modes */ 1808 if (radeon_encoder->rmx_type == RMX_OFF) { 1809 if ((mode->hdisplay != native_mode->hdisplay) || 1810 (mode->vdisplay != native_mode->vdisplay)) 1811 return MODE_PANEL; 1812 } 1813 } 1814 } else { 1815 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 1816 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) { 1817 return radeon_dp_mode_valid_helper(connector, mode); 1818 } else { 1819 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 1820 /* HDMI 1.3+ supports max clock of 340 Mhz */ 1821 if (mode->clock > 340000) 1822 return MODE_CLOCK_HIGH; 1823 } else { 1824 if (mode->clock > 165000) 1825 return MODE_CLOCK_HIGH; 1826 } 1827 } 1828 } 1829 1830 return MODE_OK; 1831 } 1832 1833 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = { 1834 .get_modes = radeon_dp_get_modes, 1835 .mode_valid = radeon_dp_mode_valid, 1836 .best_encoder = radeon_dvi_encoder, 1837 }; 1838 1839 static const struct drm_connector_funcs radeon_dp_connector_funcs = { 1840 .dpms = drm_helper_connector_dpms, 1841 .detect = radeon_dp_detect, 1842 .fill_modes = drm_helper_probe_single_connector_modes, 1843 .set_property = radeon_connector_set_property, 1844 .destroy = radeon_connector_destroy, 1845 .force = radeon_dvi_force, 1846 }; 1847 1848 static const struct drm_connector_funcs radeon_edp_connector_funcs = { 1849 .dpms = drm_helper_connector_dpms, 1850 .detect = radeon_dp_detect, 1851 .fill_modes = drm_helper_probe_single_connector_modes, 1852 .set_property = radeon_lvds_set_property, 1853 .destroy = radeon_connector_destroy, 1854 .force = radeon_dvi_force, 1855 }; 1856 1857 static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = { 1858 .dpms = drm_helper_connector_dpms, 1859 .detect = radeon_dp_detect, 1860 .fill_modes = drm_helper_probe_single_connector_modes, 1861 .set_property = radeon_lvds_set_property, 1862 .destroy = radeon_connector_destroy, 1863 .force = radeon_dvi_force, 1864 }; 1865 1866 void 1867 radeon_add_atom_connector(struct drm_device *dev, 1868 uint32_t connector_id, 1869 uint32_t supported_device, 1870 int connector_type, 1871 struct radeon_i2c_bus_rec *i2c_bus, 1872 uint32_t igp_lane_info, 1873 uint16_t connector_object_id, 1874 struct radeon_hpd *hpd, 1875 struct radeon_router *router) 1876 { 1877 struct radeon_device *rdev = dev->dev_private; 1878 struct drm_connector *connector; 1879 struct radeon_connector *radeon_connector; 1880 struct radeon_connector_atom_dig *radeon_dig_connector; 1881 struct drm_encoder *encoder; 1882 struct radeon_encoder *radeon_encoder; 1883 uint32_t subpixel_order = SubPixelNone; 1884 bool shared_ddc = false; 1885 bool is_dp_bridge = false; 1886 bool has_aux = false; 1887 1888 if (connector_type == DRM_MODE_CONNECTOR_Unknown) 1889 return; 1890 1891 /* if the user selected tv=0 don't try and add the connector */ 1892 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) || 1893 (connector_type == DRM_MODE_CONNECTOR_Composite) || 1894 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) && 1895 (radeon_tv == 0)) 1896 return; 1897 1898 /* see if we already added it */ 1899 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 1900 radeon_connector = to_radeon_connector(connector); 1901 if (radeon_connector->connector_id == connector_id) { 1902 radeon_connector->devices |= supported_device; 1903 return; 1904 } 1905 if (radeon_connector->ddc_bus && i2c_bus->valid) { 1906 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) { 1907 radeon_connector->shared_ddc = true; 1908 shared_ddc = true; 1909 } 1910 if (radeon_connector->router_bus && router->ddc_valid && 1911 (radeon_connector->router.router_id == router->router_id)) { 1912 radeon_connector->shared_ddc = false; 1913 shared_ddc = false; 1914 } 1915 } 1916 } 1917 1918 /* check if it's a dp bridge */ 1919 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 1920 radeon_encoder = to_radeon_encoder(encoder); 1921 if (radeon_encoder->devices & supported_device) { 1922 switch (radeon_encoder->encoder_id) { 1923 case ENCODER_OBJECT_ID_TRAVIS: 1924 case ENCODER_OBJECT_ID_NUTMEG: 1925 is_dp_bridge = true; 1926 break; 1927 default: 1928 break; 1929 } 1930 } 1931 } 1932 1933 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL); 1934 if (!radeon_connector) 1935 return; 1936 1937 connector = &radeon_connector->base; 1938 1939 radeon_connector->connector_id = connector_id; 1940 radeon_connector->devices = supported_device; 1941 radeon_connector->shared_ddc = shared_ddc; 1942 radeon_connector->connector_object_id = connector_object_id; 1943 radeon_connector->hpd = *hpd; 1944 1945 radeon_connector->router = *router; 1946 if (router->ddc_valid || router->cd_valid) { 1947 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info); 1948 if (!radeon_connector->router_bus) 1949 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n"); 1950 } 1951 1952 if (is_dp_bridge) { 1953 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1954 if (!radeon_dig_connector) 1955 goto failed; 1956 radeon_dig_connector->igp_lane_info = igp_lane_info; 1957 radeon_connector->con_priv = radeon_dig_connector; 1958 if (i2c_bus->valid) { 1959 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1960 if (radeon_connector->ddc_bus) 1961 has_aux = true; 1962 else 1963 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1964 } 1965 switch (connector_type) { 1966 case DRM_MODE_CONNECTOR_VGA: 1967 case DRM_MODE_CONNECTOR_DVIA: 1968 default: 1969 drm_connector_init(dev, &radeon_connector->base, 1970 &radeon_dp_connector_funcs, connector_type); 1971 drm_connector_helper_add(&radeon_connector->base, 1972 &radeon_dp_connector_helper_funcs); 1973 connector->interlace_allowed = true; 1974 connector->doublescan_allowed = true; 1975 radeon_connector->dac_load_detect = true; 1976 drm_object_attach_property(&radeon_connector->base.base, 1977 rdev->mode_info.load_detect_property, 1978 1); 1979 drm_object_attach_property(&radeon_connector->base.base, 1980 dev->mode_config.scaling_mode_property, 1981 DRM_MODE_SCALE_NONE); 1982 if (ASIC_IS_DCE5(rdev)) 1983 drm_object_attach_property(&radeon_connector->base.base, 1984 rdev->mode_info.output_csc_property, 1985 RADEON_OUTPUT_CSC_BYPASS); 1986 break; 1987 case DRM_MODE_CONNECTOR_DVII: 1988 case DRM_MODE_CONNECTOR_DVID: 1989 case DRM_MODE_CONNECTOR_HDMIA: 1990 case DRM_MODE_CONNECTOR_HDMIB: 1991 case DRM_MODE_CONNECTOR_DisplayPort: 1992 drm_connector_init(dev, &radeon_connector->base, 1993 &radeon_dp_connector_funcs, connector_type); 1994 drm_connector_helper_add(&radeon_connector->base, 1995 &radeon_dp_connector_helper_funcs); 1996 drm_object_attach_property(&radeon_connector->base.base, 1997 rdev->mode_info.underscan_property, 1998 UNDERSCAN_OFF); 1999 drm_object_attach_property(&radeon_connector->base.base, 2000 rdev->mode_info.underscan_hborder_property, 2001 0); 2002 drm_object_attach_property(&radeon_connector->base.base, 2003 rdev->mode_info.underscan_vborder_property, 2004 0); 2005 2006 drm_object_attach_property(&radeon_connector->base.base, 2007 dev->mode_config.scaling_mode_property, 2008 DRM_MODE_SCALE_NONE); 2009 2010 drm_object_attach_property(&radeon_connector->base.base, 2011 rdev->mode_info.dither_property, 2012 RADEON_FMT_DITHER_DISABLE); 2013 2014 if (radeon_audio != 0) { 2015 drm_object_attach_property(&radeon_connector->base.base, 2016 rdev->mode_info.audio_property, 2017 RADEON_AUDIO_AUTO); 2018 radeon_connector->audio = RADEON_AUDIO_AUTO; 2019 } 2020 if (ASIC_IS_DCE5(rdev)) 2021 drm_object_attach_property(&radeon_connector->base.base, 2022 rdev->mode_info.output_csc_property, 2023 RADEON_OUTPUT_CSC_BYPASS); 2024 2025 subpixel_order = SubPixelHorizontalRGB; 2026 connector->interlace_allowed = true; 2027 if (connector_type == DRM_MODE_CONNECTOR_HDMIB) 2028 connector->doublescan_allowed = true; 2029 else 2030 connector->doublescan_allowed = false; 2031 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 2032 radeon_connector->dac_load_detect = true; 2033 drm_object_attach_property(&radeon_connector->base.base, 2034 rdev->mode_info.load_detect_property, 2035 1); 2036 } 2037 break; 2038 case DRM_MODE_CONNECTOR_LVDS: 2039 case DRM_MODE_CONNECTOR_eDP: 2040 drm_connector_init(dev, &radeon_connector->base, 2041 &radeon_lvds_bridge_connector_funcs, connector_type); 2042 drm_connector_helper_add(&radeon_connector->base, 2043 &radeon_dp_connector_helper_funcs); 2044 drm_object_attach_property(&radeon_connector->base.base, 2045 dev->mode_config.scaling_mode_property, 2046 DRM_MODE_SCALE_FULLSCREEN); 2047 subpixel_order = SubPixelHorizontalRGB; 2048 connector->interlace_allowed = false; 2049 connector->doublescan_allowed = false; 2050 break; 2051 } 2052 } else { 2053 switch (connector_type) { 2054 case DRM_MODE_CONNECTOR_VGA: 2055 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 2056 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2057 if (i2c_bus->valid) { 2058 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2059 if (!radeon_connector->ddc_bus) 2060 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2061 } 2062 radeon_connector->dac_load_detect = true; 2063 drm_object_attach_property(&radeon_connector->base.base, 2064 rdev->mode_info.load_detect_property, 2065 1); 2066 if (ASIC_IS_AVIVO(rdev)) 2067 drm_object_attach_property(&radeon_connector->base.base, 2068 dev->mode_config.scaling_mode_property, 2069 DRM_MODE_SCALE_NONE); 2070 if (ASIC_IS_DCE5(rdev)) 2071 drm_object_attach_property(&radeon_connector->base.base, 2072 rdev->mode_info.output_csc_property, 2073 RADEON_OUTPUT_CSC_BYPASS); 2074 /* no HPD on analog connectors */ 2075 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2076 connector->interlace_allowed = true; 2077 connector->doublescan_allowed = true; 2078 break; 2079 case DRM_MODE_CONNECTOR_DVIA: 2080 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 2081 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2082 if (i2c_bus->valid) { 2083 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2084 if (!radeon_connector->ddc_bus) 2085 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2086 } 2087 radeon_connector->dac_load_detect = true; 2088 drm_object_attach_property(&radeon_connector->base.base, 2089 rdev->mode_info.load_detect_property, 2090 1); 2091 if (ASIC_IS_AVIVO(rdev)) 2092 drm_object_attach_property(&radeon_connector->base.base, 2093 dev->mode_config.scaling_mode_property, 2094 DRM_MODE_SCALE_NONE); 2095 if (ASIC_IS_DCE5(rdev)) 2096 drm_object_attach_property(&radeon_connector->base.base, 2097 rdev->mode_info.output_csc_property, 2098 RADEON_OUTPUT_CSC_BYPASS); 2099 /* no HPD on analog connectors */ 2100 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2101 connector->interlace_allowed = true; 2102 connector->doublescan_allowed = true; 2103 break; 2104 case DRM_MODE_CONNECTOR_DVII: 2105 case DRM_MODE_CONNECTOR_DVID: 2106 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2107 if (!radeon_dig_connector) 2108 goto failed; 2109 radeon_dig_connector->igp_lane_info = igp_lane_info; 2110 radeon_connector->con_priv = radeon_dig_connector; 2111 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); 2112 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 2113 if (i2c_bus->valid) { 2114 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2115 if (!radeon_connector->ddc_bus) 2116 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2117 } 2118 subpixel_order = SubPixelHorizontalRGB; 2119 drm_object_attach_property(&radeon_connector->base.base, 2120 rdev->mode_info.coherent_mode_property, 2121 1); 2122 if (ASIC_IS_AVIVO(rdev)) { 2123 drm_object_attach_property(&radeon_connector->base.base, 2124 rdev->mode_info.underscan_property, 2125 UNDERSCAN_OFF); 2126 drm_object_attach_property(&radeon_connector->base.base, 2127 rdev->mode_info.underscan_hborder_property, 2128 0); 2129 drm_object_attach_property(&radeon_connector->base.base, 2130 rdev->mode_info.underscan_vborder_property, 2131 0); 2132 drm_object_attach_property(&radeon_connector->base.base, 2133 rdev->mode_info.dither_property, 2134 RADEON_FMT_DITHER_DISABLE); 2135 drm_object_attach_property(&radeon_connector->base.base, 2136 dev->mode_config.scaling_mode_property, 2137 DRM_MODE_SCALE_NONE); 2138 } 2139 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) { 2140 drm_object_attach_property(&radeon_connector->base.base, 2141 rdev->mode_info.audio_property, 2142 RADEON_AUDIO_AUTO); 2143 radeon_connector->audio = RADEON_AUDIO_AUTO; 2144 } 2145 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 2146 radeon_connector->dac_load_detect = true; 2147 drm_object_attach_property(&radeon_connector->base.base, 2148 rdev->mode_info.load_detect_property, 2149 1); 2150 } 2151 if (ASIC_IS_DCE5(rdev)) 2152 drm_object_attach_property(&radeon_connector->base.base, 2153 rdev->mode_info.output_csc_property, 2154 RADEON_OUTPUT_CSC_BYPASS); 2155 connector->interlace_allowed = true; 2156 if (connector_type == DRM_MODE_CONNECTOR_DVII) 2157 connector->doublescan_allowed = true; 2158 else 2159 connector->doublescan_allowed = false; 2160 break; 2161 case DRM_MODE_CONNECTOR_HDMIA: 2162 case DRM_MODE_CONNECTOR_HDMIB: 2163 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2164 if (!radeon_dig_connector) 2165 goto failed; 2166 radeon_dig_connector->igp_lane_info = igp_lane_info; 2167 radeon_connector->con_priv = radeon_dig_connector; 2168 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); 2169 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 2170 if (i2c_bus->valid) { 2171 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2172 if (!radeon_connector->ddc_bus) 2173 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2174 } 2175 drm_object_attach_property(&radeon_connector->base.base, 2176 rdev->mode_info.coherent_mode_property, 2177 1); 2178 if (ASIC_IS_AVIVO(rdev)) { 2179 drm_object_attach_property(&radeon_connector->base.base, 2180 rdev->mode_info.underscan_property, 2181 UNDERSCAN_OFF); 2182 drm_object_attach_property(&radeon_connector->base.base, 2183 rdev->mode_info.underscan_hborder_property, 2184 0); 2185 drm_object_attach_property(&radeon_connector->base.base, 2186 rdev->mode_info.underscan_vborder_property, 2187 0); 2188 drm_object_attach_property(&radeon_connector->base.base, 2189 rdev->mode_info.dither_property, 2190 RADEON_FMT_DITHER_DISABLE); 2191 drm_object_attach_property(&radeon_connector->base.base, 2192 dev->mode_config.scaling_mode_property, 2193 DRM_MODE_SCALE_NONE); 2194 } 2195 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) { 2196 drm_object_attach_property(&radeon_connector->base.base, 2197 rdev->mode_info.audio_property, 2198 RADEON_AUDIO_AUTO); 2199 radeon_connector->audio = RADEON_AUDIO_AUTO; 2200 } 2201 if (ASIC_IS_DCE5(rdev)) 2202 drm_object_attach_property(&radeon_connector->base.base, 2203 rdev->mode_info.output_csc_property, 2204 RADEON_OUTPUT_CSC_BYPASS); 2205 subpixel_order = SubPixelHorizontalRGB; 2206 connector->interlace_allowed = true; 2207 if (connector_type == DRM_MODE_CONNECTOR_HDMIB) 2208 connector->doublescan_allowed = true; 2209 else 2210 connector->doublescan_allowed = false; 2211 break; 2212 case DRM_MODE_CONNECTOR_DisplayPort: 2213 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2214 if (!radeon_dig_connector) 2215 goto failed; 2216 radeon_dig_connector->igp_lane_info = igp_lane_info; 2217 radeon_connector->con_priv = radeon_dig_connector; 2218 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type); 2219 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); 2220 if (i2c_bus->valid) { 2221 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2222 if (radeon_connector->ddc_bus) 2223 has_aux = true; 2224 else 2225 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2226 } 2227 subpixel_order = SubPixelHorizontalRGB; 2228 drm_object_attach_property(&radeon_connector->base.base, 2229 rdev->mode_info.coherent_mode_property, 2230 1); 2231 if (ASIC_IS_AVIVO(rdev)) { 2232 drm_object_attach_property(&radeon_connector->base.base, 2233 rdev->mode_info.underscan_property, 2234 UNDERSCAN_OFF); 2235 drm_object_attach_property(&radeon_connector->base.base, 2236 rdev->mode_info.underscan_hborder_property, 2237 0); 2238 drm_object_attach_property(&radeon_connector->base.base, 2239 rdev->mode_info.underscan_vborder_property, 2240 0); 2241 drm_object_attach_property(&radeon_connector->base.base, 2242 rdev->mode_info.dither_property, 2243 RADEON_FMT_DITHER_DISABLE); 2244 drm_object_attach_property(&radeon_connector->base.base, 2245 dev->mode_config.scaling_mode_property, 2246 DRM_MODE_SCALE_NONE); 2247 } 2248 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) { 2249 drm_object_attach_property(&radeon_connector->base.base, 2250 rdev->mode_info.audio_property, 2251 RADEON_AUDIO_AUTO); 2252 radeon_connector->audio = RADEON_AUDIO_AUTO; 2253 } 2254 if (ASIC_IS_DCE5(rdev)) 2255 drm_object_attach_property(&radeon_connector->base.base, 2256 rdev->mode_info.output_csc_property, 2257 RADEON_OUTPUT_CSC_BYPASS); 2258 connector->interlace_allowed = true; 2259 /* in theory with a DP to VGA converter... */ 2260 connector->doublescan_allowed = false; 2261 break; 2262 case DRM_MODE_CONNECTOR_eDP: 2263 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2264 if (!radeon_dig_connector) 2265 goto failed; 2266 radeon_dig_connector->igp_lane_info = igp_lane_info; 2267 radeon_connector->con_priv = radeon_dig_connector; 2268 drm_connector_init(dev, &radeon_connector->base, &radeon_edp_connector_funcs, connector_type); 2269 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); 2270 if (i2c_bus->valid) { 2271 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2272 if (radeon_connector->ddc_bus) 2273 has_aux = true; 2274 else 2275 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2276 } 2277 drm_object_attach_property(&radeon_connector->base.base, 2278 dev->mode_config.scaling_mode_property, 2279 DRM_MODE_SCALE_FULLSCREEN); 2280 subpixel_order = SubPixelHorizontalRGB; 2281 connector->interlace_allowed = false; 2282 connector->doublescan_allowed = false; 2283 break; 2284 case DRM_MODE_CONNECTOR_SVIDEO: 2285 case DRM_MODE_CONNECTOR_Composite: 2286 case DRM_MODE_CONNECTOR_9PinDIN: 2287 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type); 2288 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs); 2289 radeon_connector->dac_load_detect = true; 2290 drm_object_attach_property(&radeon_connector->base.base, 2291 rdev->mode_info.load_detect_property, 2292 1); 2293 drm_object_attach_property(&radeon_connector->base.base, 2294 rdev->mode_info.tv_std_property, 2295 radeon_atombios_get_tv_info(rdev)); 2296 /* no HPD on analog connectors */ 2297 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2298 connector->interlace_allowed = false; 2299 connector->doublescan_allowed = false; 2300 break; 2301 case DRM_MODE_CONNECTOR_LVDS: 2302 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2303 if (!radeon_dig_connector) 2304 goto failed; 2305 radeon_dig_connector->igp_lane_info = igp_lane_info; 2306 radeon_connector->con_priv = radeon_dig_connector; 2307 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type); 2308 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs); 2309 if (i2c_bus->valid) { 2310 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2311 if (!radeon_connector->ddc_bus) 2312 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2313 } 2314 drm_object_attach_property(&radeon_connector->base.base, 2315 dev->mode_config.scaling_mode_property, 2316 DRM_MODE_SCALE_FULLSCREEN); 2317 subpixel_order = SubPixelHorizontalRGB; 2318 connector->interlace_allowed = false; 2319 connector->doublescan_allowed = false; 2320 break; 2321 } 2322 } 2323 2324 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) { 2325 if (i2c_bus->valid) { 2326 connector->polled = DRM_CONNECTOR_POLL_CONNECT | 2327 DRM_CONNECTOR_POLL_DISCONNECT; 2328 } 2329 } else 2330 connector->polled = DRM_CONNECTOR_POLL_HPD; 2331 2332 connector->display_info.subpixel_order = subpixel_order; 2333 drm_connector_register(connector); 2334 2335 if (has_aux) 2336 radeon_dp_aux_init(radeon_connector); 2337 2338 return; 2339 2340 failed: 2341 drm_connector_cleanup(connector); 2342 kfree(connector); 2343 } 2344 2345 void 2346 radeon_add_legacy_connector(struct drm_device *dev, 2347 uint32_t connector_id, 2348 uint32_t supported_device, 2349 int connector_type, 2350 struct radeon_i2c_bus_rec *i2c_bus, 2351 uint16_t connector_object_id, 2352 struct radeon_hpd *hpd) 2353 { 2354 struct radeon_device *rdev = dev->dev_private; 2355 struct drm_connector *connector; 2356 struct radeon_connector *radeon_connector; 2357 uint32_t subpixel_order = SubPixelNone; 2358 2359 if (connector_type == DRM_MODE_CONNECTOR_Unknown) 2360 return; 2361 2362 /* if the user selected tv=0 don't try and add the connector */ 2363 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) || 2364 (connector_type == DRM_MODE_CONNECTOR_Composite) || 2365 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) && 2366 (radeon_tv == 0)) 2367 return; 2368 2369 /* see if we already added it */ 2370 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 2371 radeon_connector = to_radeon_connector(connector); 2372 if (radeon_connector->connector_id == connector_id) { 2373 radeon_connector->devices |= supported_device; 2374 return; 2375 } 2376 } 2377 2378 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL); 2379 if (!radeon_connector) 2380 return; 2381 2382 connector = &radeon_connector->base; 2383 2384 radeon_connector->connector_id = connector_id; 2385 radeon_connector->devices = supported_device; 2386 radeon_connector->connector_object_id = connector_object_id; 2387 radeon_connector->hpd = *hpd; 2388 2389 switch (connector_type) { 2390 case DRM_MODE_CONNECTOR_VGA: 2391 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 2392 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2393 if (i2c_bus->valid) { 2394 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2395 if (!radeon_connector->ddc_bus) 2396 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2397 } 2398 radeon_connector->dac_load_detect = true; 2399 drm_object_attach_property(&radeon_connector->base.base, 2400 rdev->mode_info.load_detect_property, 2401 1); 2402 /* no HPD on analog connectors */ 2403 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2404 connector->interlace_allowed = true; 2405 connector->doublescan_allowed = true; 2406 break; 2407 case DRM_MODE_CONNECTOR_DVIA: 2408 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 2409 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2410 if (i2c_bus->valid) { 2411 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2412 if (!radeon_connector->ddc_bus) 2413 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2414 } 2415 radeon_connector->dac_load_detect = true; 2416 drm_object_attach_property(&radeon_connector->base.base, 2417 rdev->mode_info.load_detect_property, 2418 1); 2419 /* no HPD on analog connectors */ 2420 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2421 connector->interlace_allowed = true; 2422 connector->doublescan_allowed = true; 2423 break; 2424 case DRM_MODE_CONNECTOR_DVII: 2425 case DRM_MODE_CONNECTOR_DVID: 2426 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); 2427 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 2428 if (i2c_bus->valid) { 2429 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2430 if (!radeon_connector->ddc_bus) 2431 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2432 } 2433 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 2434 radeon_connector->dac_load_detect = true; 2435 drm_object_attach_property(&radeon_connector->base.base, 2436 rdev->mode_info.load_detect_property, 2437 1); 2438 } 2439 subpixel_order = SubPixelHorizontalRGB; 2440 connector->interlace_allowed = true; 2441 if (connector_type == DRM_MODE_CONNECTOR_DVII) 2442 connector->doublescan_allowed = true; 2443 else 2444 connector->doublescan_allowed = false; 2445 break; 2446 case DRM_MODE_CONNECTOR_SVIDEO: 2447 case DRM_MODE_CONNECTOR_Composite: 2448 case DRM_MODE_CONNECTOR_9PinDIN: 2449 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type); 2450 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs); 2451 radeon_connector->dac_load_detect = true; 2452 /* RS400,RC410,RS480 chipset seems to report a lot 2453 * of false positive on load detect, we haven't yet 2454 * found a way to make load detect reliable on those 2455 * chipset, thus just disable it for TV. 2456 */ 2457 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480) 2458 radeon_connector->dac_load_detect = false; 2459 drm_object_attach_property(&radeon_connector->base.base, 2460 rdev->mode_info.load_detect_property, 2461 radeon_connector->dac_load_detect); 2462 drm_object_attach_property(&radeon_connector->base.base, 2463 rdev->mode_info.tv_std_property, 2464 radeon_combios_get_tv_info(rdev)); 2465 /* no HPD on analog connectors */ 2466 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2467 connector->interlace_allowed = false; 2468 connector->doublescan_allowed = false; 2469 break; 2470 case DRM_MODE_CONNECTOR_LVDS: 2471 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type); 2472 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs); 2473 if (i2c_bus->valid) { 2474 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2475 if (!radeon_connector->ddc_bus) 2476 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2477 } 2478 drm_object_attach_property(&radeon_connector->base.base, 2479 dev->mode_config.scaling_mode_property, 2480 DRM_MODE_SCALE_FULLSCREEN); 2481 subpixel_order = SubPixelHorizontalRGB; 2482 connector->interlace_allowed = false; 2483 connector->doublescan_allowed = false; 2484 break; 2485 } 2486 2487 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) { 2488 if (i2c_bus->valid) { 2489 connector->polled = DRM_CONNECTOR_POLL_CONNECT | 2490 DRM_CONNECTOR_POLL_DISCONNECT; 2491 } 2492 } else 2493 connector->polled = DRM_CONNECTOR_POLL_HPD; 2494 2495 connector->display_info.subpixel_order = subpixel_order; 2496 drm_connector_register(connector); 2497 } 2498 2499 void radeon_setup_mst_connector(struct drm_device *dev) 2500 { 2501 struct radeon_device *rdev = dev->dev_private; 2502 struct drm_connector *connector; 2503 struct radeon_connector *radeon_connector; 2504 2505 if (!ASIC_IS_DCE5(rdev)) 2506 return; 2507 2508 if (radeon_mst == 0) 2509 return; 2510 2511 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 2512 int ret; 2513 2514 radeon_connector = to_radeon_connector(connector); 2515 2516 if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort) 2517 continue; 2518 2519 ret = radeon_dp_mst_init(radeon_connector); 2520 } 2521 } 2522