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 27 #include <drm/display/drm_dp_mst_helper.h> 28 #include <drm/drm_edid.h> 29 #include <drm/drm_crtc_helper.h> 30 #include <drm/drm_modeset_helper_vtables.h> 31 #include <drm/drm_probe_helper.h> 32 #include <drm/radeon_drm.h> 33 #include "radeon.h" 34 #include "radeon_audio.h" 35 #include "atom.h" 36 37 #include <linux/pm_runtime.h> 38 #include <linux/vga_switcheroo.h> 39 40 void radeon_connector_hotplug(struct drm_connector *connector) 41 { 42 struct drm_device *dev = connector->dev; 43 struct radeon_device *rdev = dev->dev_private; 44 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 45 46 /* bail if the connector does not have hpd pin, e.g., 47 * VGA, TV, etc. 48 */ 49 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) 50 return; 51 52 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); 53 54 /* if the connector is already off, don't turn it back on */ 55 /* FIXME: This access isn't protected by any locks. */ 56 if (connector->dpms != DRM_MODE_DPMS_ON) 57 return; 58 59 /* just deal with DP (not eDP) here. */ 60 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) { 61 struct radeon_connector_atom_dig *dig_connector = 62 radeon_connector->con_priv; 63 64 /* if existing sink type was not DP no need to retrain */ 65 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT) 66 return; 67 68 /* first get sink type as it may be reset after (un)plug */ 69 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector); 70 /* don't do anything if sink is not display port, i.e., 71 * passive dp->(dvi|hdmi) adaptor 72 */ 73 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT && 74 radeon_hpd_sense(rdev, radeon_connector->hpd.hpd) && 75 radeon_dp_needs_link_train(radeon_connector)) { 76 /* Don't start link training before we have the DPCD */ 77 if (!radeon_dp_getdpcd(radeon_connector)) 78 return; 79 80 /* Turn the connector off and back on immediately, which 81 * will trigger link training 82 */ 83 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); 84 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); 85 } 86 } 87 } 88 89 static void radeon_property_change_mode(struct drm_encoder *encoder) 90 { 91 struct drm_crtc *crtc = encoder->crtc; 92 93 if (crtc && crtc->enabled) { 94 drm_crtc_helper_set_mode(crtc, &crtc->mode, 95 crtc->x, crtc->y, crtc->primary->fb); 96 } 97 } 98 99 int radeon_get_monitor_bpc(struct drm_connector *connector) 100 { 101 struct drm_device *dev = connector->dev; 102 struct radeon_device *rdev = dev->dev_private; 103 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 104 struct radeon_connector_atom_dig *dig_connector; 105 int bpc = 8; 106 int mode_clock, max_tmds_clock; 107 108 switch (connector->connector_type) { 109 case DRM_MODE_CONNECTOR_DVII: 110 case DRM_MODE_CONNECTOR_HDMIB: 111 if (radeon_connector->use_digital) { 112 if (connector->display_info.is_hdmi) { 113 if (connector->display_info.bpc) 114 bpc = connector->display_info.bpc; 115 } 116 } 117 break; 118 case DRM_MODE_CONNECTOR_DVID: 119 case DRM_MODE_CONNECTOR_HDMIA: 120 if (connector->display_info.is_hdmi) { 121 if (connector->display_info.bpc) 122 bpc = connector->display_info.bpc; 123 } 124 break; 125 case DRM_MODE_CONNECTOR_DisplayPort: 126 dig_connector = radeon_connector->con_priv; 127 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 128 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) || 129 connector->display_info.is_hdmi) { 130 if (connector->display_info.bpc) 131 bpc = connector->display_info.bpc; 132 } 133 break; 134 case DRM_MODE_CONNECTOR_eDP: 135 case DRM_MODE_CONNECTOR_LVDS: 136 if (connector->display_info.bpc) 137 bpc = connector->display_info.bpc; 138 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) { 139 const struct drm_connector_helper_funcs *connector_funcs = 140 connector->helper_private; 141 struct drm_encoder *encoder = connector_funcs->best_encoder(connector); 142 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 143 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; 144 145 if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR) 146 bpc = 6; 147 else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR) 148 bpc = 8; 149 } 150 break; 151 } 152 153 if (connector->display_info.is_hdmi) { 154 /* hdmi deep color only implemented on DCE4+ */ 155 if ((bpc > 8) && !ASIC_IS_DCE4(rdev)) { 156 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 8 bpc.\n", 157 connector->name, bpc); 158 bpc = 8; 159 } 160 161 /* 162 * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make 163 * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at 164 * 12 bpc is always supported on hdmi deep color sinks, as this is 165 * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum. 166 */ 167 if (bpc > 12) { 168 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n", 169 connector->name, bpc); 170 bpc = 12; 171 } 172 173 /* Any defined maximum tmds clock limit we must not exceed? */ 174 if (connector->display_info.max_tmds_clock > 0) { 175 /* mode_clock is clock in kHz for mode to be modeset on this connector */ 176 mode_clock = radeon_connector->pixelclock_for_modeset; 177 178 /* Maximum allowable input clock in kHz */ 179 max_tmds_clock = connector->display_info.max_tmds_clock; 180 181 DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n", 182 connector->name, mode_clock, max_tmds_clock); 183 184 /* Check if bpc is within clock limit. Try to degrade gracefully otherwise */ 185 if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) { 186 if ((connector->display_info.edid_hdmi_rgb444_dc_modes & DRM_EDID_HDMI_DC_30) && 187 (mode_clock * 5/4 <= max_tmds_clock)) 188 bpc = 10; 189 else 190 bpc = 8; 191 192 DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n", 193 connector->name, bpc); 194 } 195 196 if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) { 197 bpc = 8; 198 DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n", 199 connector->name, bpc); 200 } 201 } else if (bpc > 8) { 202 /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */ 203 DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n", 204 connector->name); 205 bpc = 8; 206 } 207 } 208 209 if ((radeon_deep_color == 0) && (bpc > 8)) { 210 DRM_DEBUG("%s: Deep color disabled. Set radeon module param deep_color=1 to enable.\n", 211 connector->name); 212 bpc = 8; 213 } 214 215 DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n", 216 connector->name, connector->display_info.bpc, bpc); 217 218 return bpc; 219 } 220 221 static void 222 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status) 223 { 224 struct drm_device *dev = connector->dev; 225 struct radeon_device *rdev = dev->dev_private; 226 struct drm_encoder *best_encoder; 227 struct drm_encoder *encoder; 228 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 229 bool connected; 230 231 best_encoder = connector_funcs->best_encoder(connector); 232 233 drm_connector_for_each_possible_encoder(connector, encoder) { 234 if ((encoder == best_encoder) && (status == connector_status_connected)) 235 connected = true; 236 else 237 connected = false; 238 239 if (rdev->is_atom_bios) 240 radeon_atombios_connected_scratch_regs(connector, encoder, connected); 241 else 242 radeon_combios_connected_scratch_regs(connector, encoder, connected); 243 } 244 } 245 246 static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type) 247 { 248 struct drm_encoder *encoder; 249 250 drm_connector_for_each_possible_encoder(connector, encoder) { 251 if (encoder->encoder_type == encoder_type) 252 return encoder; 253 } 254 255 return NULL; 256 } 257 258 static void radeon_connector_get_edid(struct drm_connector *connector) 259 { 260 struct drm_device *dev = connector->dev; 261 struct radeon_device *rdev = dev->dev_private; 262 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 263 264 if (radeon_connector->edid) 265 return; 266 267 /* on hw with routers, select right port */ 268 if (radeon_connector->router.ddc_valid) 269 radeon_router_select_ddc_port(radeon_connector); 270 271 if ((radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 272 ENCODER_OBJECT_ID_NONE) && 273 radeon_connector->ddc_bus->has_aux) { 274 radeon_connector->edid = drm_edid_read_ddc(connector, 275 &radeon_connector->ddc_bus->aux.ddc); 276 } else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) || 277 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) { 278 struct radeon_connector_atom_dig *dig = radeon_connector->con_priv; 279 280 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT || 281 dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) && 282 radeon_connector->ddc_bus->has_aux) 283 radeon_connector->edid = drm_edid_read_ddc(&radeon_connector->base, 284 &radeon_connector->ddc_bus->aux.ddc); 285 else if (radeon_connector->ddc_bus) 286 radeon_connector->edid = drm_edid_read_ddc(&radeon_connector->base, 287 &radeon_connector->ddc_bus->adapter); 288 } else if (vga_switcheroo_handler_flags() & VGA_SWITCHEROO_CAN_SWITCH_DDC && 289 connector->connector_type == DRM_MODE_CONNECTOR_LVDS && 290 radeon_connector->ddc_bus) { 291 radeon_connector->edid = drm_edid_read_switcheroo(&radeon_connector->base, 292 &radeon_connector->ddc_bus->adapter); 293 } else if (radeon_connector->ddc_bus) { 294 radeon_connector->edid = drm_edid_read_ddc(&radeon_connector->base, 295 &radeon_connector->ddc_bus->adapter); 296 } 297 298 if (!radeon_connector->edid) { 299 /* don't fetch the edid from the vbios if ddc fails and runpm is 300 * enabled so we report disconnected. 301 */ 302 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0)) 303 return; 304 305 if (rdev->is_atom_bios) { 306 /* some laptops provide a hardcoded edid in rom for LCDs */ 307 if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) || 308 (connector->connector_type == DRM_MODE_CONNECTOR_eDP))) 309 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev); 310 } else { 311 /* some servers provide a hardcoded edid in rom for KVMs */ 312 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev); 313 } 314 } 315 } 316 317 static int radeon_ddc_get_modes(struct drm_connector *connector) 318 { 319 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 320 int ret; 321 322 if (radeon_connector->edid) { 323 drm_edid_connector_update(connector, radeon_connector->edid); 324 ret = drm_edid_connector_add_modes(connector); 325 return ret; 326 } 327 drm_edid_connector_update(connector, NULL); 328 return 0; 329 } 330 331 static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector) 332 { 333 struct drm_encoder *encoder; 334 335 /* pick the first one */ 336 drm_connector_for_each_possible_encoder(connector, encoder) 337 return encoder; 338 339 return NULL; 340 } 341 342 static void radeon_get_native_mode(struct drm_connector *connector) 343 { 344 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 345 struct radeon_encoder *radeon_encoder; 346 347 if (encoder == NULL) 348 return; 349 350 radeon_encoder = to_radeon_encoder(encoder); 351 352 if (!list_empty(&connector->probed_modes)) { 353 struct drm_display_mode *preferred_mode = 354 list_first_entry(&connector->probed_modes, 355 struct drm_display_mode, head); 356 357 radeon_encoder->native_mode = *preferred_mode; 358 } else { 359 radeon_encoder->native_mode.clock = 0; 360 } 361 } 362 363 /* 364 * radeon_connector_analog_encoder_conflict_solve 365 * - search for other connectors sharing this encoder 366 * if priority is true, then set them disconnected if this is connected 367 * if priority is false, set us disconnected if they are connected 368 */ 369 static enum drm_connector_status 370 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector, 371 struct drm_encoder *encoder, 372 enum drm_connector_status current_status, 373 bool priority) 374 { 375 struct drm_device *dev = connector->dev; 376 struct drm_connector *conflict; 377 struct radeon_connector *radeon_conflict; 378 379 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) { 380 struct drm_encoder *enc; 381 382 if (conflict == connector) 383 continue; 384 385 radeon_conflict = to_radeon_connector(conflict); 386 387 drm_connector_for_each_possible_encoder(conflict, enc) { 388 /* if the IDs match */ 389 if (enc == encoder) { 390 if (conflict->status != connector_status_connected) 391 continue; 392 393 if (radeon_conflict->use_digital) 394 continue; 395 396 if (priority) { 397 DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", 398 conflict->name); 399 DRM_DEBUG_KMS("in favor of %s\n", 400 connector->name); 401 conflict->status = connector_status_disconnected; 402 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected); 403 } else { 404 DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", 405 connector->name); 406 DRM_DEBUG_KMS("in favor of %s\n", 407 conflict->name); 408 current_status = connector_status_disconnected; 409 } 410 break; 411 } 412 } 413 } 414 return current_status; 415 416 } 417 418 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder) 419 { 420 struct drm_device *dev = encoder->dev; 421 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 422 struct drm_display_mode *mode = NULL; 423 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 424 425 if (native_mode->hdisplay != 0 && 426 native_mode->vdisplay != 0 && 427 native_mode->clock != 0) { 428 mode = drm_mode_duplicate(dev, native_mode); 429 if (!mode) 430 return NULL; 431 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; 432 drm_mode_set_name(mode); 433 434 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name); 435 } else if (native_mode->hdisplay != 0 && 436 native_mode->vdisplay != 0) { 437 /* mac laptops without an edid */ 438 /* Note that this is not necessarily the exact panel mode, 439 * but an approximation based on the cvt formula. For these 440 * systems we should ideally read the mode info out of the 441 * registers or add a mode table, but this works and is much 442 * simpler. 443 */ 444 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false); 445 if (!mode) 446 return NULL; 447 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; 448 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name); 449 } 450 return mode; 451 } 452 453 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector) 454 { 455 struct drm_device *dev = encoder->dev; 456 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 457 struct drm_display_mode *mode = NULL; 458 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 459 int i; 460 struct mode_size { 461 int w; 462 int h; 463 } common_modes[17] = { 464 { 640, 480}, 465 { 720, 480}, 466 { 800, 600}, 467 { 848, 480}, 468 {1024, 768}, 469 {1152, 768}, 470 {1280, 720}, 471 {1280, 800}, 472 {1280, 854}, 473 {1280, 960}, 474 {1280, 1024}, 475 {1440, 900}, 476 {1400, 1050}, 477 {1680, 1050}, 478 {1600, 1200}, 479 {1920, 1080}, 480 {1920, 1200} 481 }; 482 483 for (i = 0; i < 17; i++) { 484 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) { 485 if (common_modes[i].w > 1024 || 486 common_modes[i].h > 768) 487 continue; 488 } 489 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { 490 if (common_modes[i].w > native_mode->hdisplay || 491 common_modes[i].h > native_mode->vdisplay || 492 (common_modes[i].w == native_mode->hdisplay && 493 common_modes[i].h == native_mode->vdisplay)) 494 continue; 495 } 496 if (common_modes[i].w < 320 || common_modes[i].h < 200) 497 continue; 498 499 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false); 500 if (!mode) 501 continue; 502 503 drm_mode_probed_add(connector, mode); 504 } 505 } 506 507 static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property, 508 uint64_t val) 509 { 510 struct drm_device *dev = connector->dev; 511 struct radeon_device *rdev = dev->dev_private; 512 struct drm_encoder *encoder; 513 struct radeon_encoder *radeon_encoder; 514 515 if (property == rdev->mode_info.coherent_mode_property) { 516 struct radeon_encoder_atom_dig *dig; 517 bool new_coherent_mode; 518 519 /* need to find digital encoder on connector */ 520 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 521 if (!encoder) 522 return 0; 523 524 radeon_encoder = to_radeon_encoder(encoder); 525 526 if (!radeon_encoder->enc_priv) 527 return 0; 528 529 dig = radeon_encoder->enc_priv; 530 new_coherent_mode = val ? true : false; 531 if (dig->coherent_mode != new_coherent_mode) { 532 dig->coherent_mode = new_coherent_mode; 533 radeon_property_change_mode(&radeon_encoder->base); 534 } 535 } 536 537 if (property == rdev->mode_info.audio_property) { 538 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 539 /* need to find digital encoder on connector */ 540 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 541 if (!encoder) 542 return 0; 543 544 radeon_encoder = to_radeon_encoder(encoder); 545 546 if (radeon_connector->audio != val) { 547 radeon_connector->audio = val; 548 radeon_property_change_mode(&radeon_encoder->base); 549 } 550 } 551 552 if (property == rdev->mode_info.dither_property) { 553 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 554 /* need to find digital encoder on connector */ 555 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 556 if (!encoder) 557 return 0; 558 559 radeon_encoder = to_radeon_encoder(encoder); 560 561 if (radeon_connector->dither != val) { 562 radeon_connector->dither = val; 563 radeon_property_change_mode(&radeon_encoder->base); 564 } 565 } 566 567 if (property == rdev->mode_info.underscan_property) { 568 /* need to find digital encoder on connector */ 569 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 570 if (!encoder) 571 return 0; 572 573 radeon_encoder = to_radeon_encoder(encoder); 574 575 if (radeon_encoder->underscan_type != val) { 576 radeon_encoder->underscan_type = val; 577 radeon_property_change_mode(&radeon_encoder->base); 578 } 579 } 580 581 if (property == rdev->mode_info.underscan_hborder_property) { 582 /* need to find digital encoder on connector */ 583 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 584 if (!encoder) 585 return 0; 586 587 radeon_encoder = to_radeon_encoder(encoder); 588 589 if (radeon_encoder->underscan_hborder != val) { 590 radeon_encoder->underscan_hborder = val; 591 radeon_property_change_mode(&radeon_encoder->base); 592 } 593 } 594 595 if (property == rdev->mode_info.underscan_vborder_property) { 596 /* need to find digital encoder on connector */ 597 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 598 if (!encoder) 599 return 0; 600 601 radeon_encoder = to_radeon_encoder(encoder); 602 603 if (radeon_encoder->underscan_vborder != val) { 604 radeon_encoder->underscan_vborder = val; 605 radeon_property_change_mode(&radeon_encoder->base); 606 } 607 } 608 609 if (property == rdev->mode_info.tv_std_property) { 610 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC); 611 if (!encoder) { 612 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC); 613 } 614 615 if (!encoder) 616 return 0; 617 618 radeon_encoder = to_radeon_encoder(encoder); 619 if (!radeon_encoder->enc_priv) 620 return 0; 621 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) { 622 struct radeon_encoder_atom_dac *dac_int; 623 dac_int = radeon_encoder->enc_priv; 624 dac_int->tv_std = val; 625 } else { 626 struct radeon_encoder_tv_dac *dac_int; 627 dac_int = radeon_encoder->enc_priv; 628 dac_int->tv_std = val; 629 } 630 radeon_property_change_mode(&radeon_encoder->base); 631 } 632 633 if (property == rdev->mode_info.load_detect_property) { 634 struct radeon_connector *radeon_connector = 635 to_radeon_connector(connector); 636 637 if (val == 0) 638 radeon_connector->dac_load_detect = false; 639 else 640 radeon_connector->dac_load_detect = true; 641 } 642 643 if (property == rdev->mode_info.tmds_pll_property) { 644 struct radeon_encoder_int_tmds *tmds = NULL; 645 bool ret = false; 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 tmds = radeon_encoder->enc_priv; 654 if (!tmds) 655 return 0; 656 657 if (val == 0) { 658 if (rdev->is_atom_bios) 659 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds); 660 else 661 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds); 662 } 663 if (val == 1 || !ret) 664 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds); 665 666 radeon_property_change_mode(&radeon_encoder->base); 667 } 668 669 if (property == dev->mode_config.scaling_mode_property) { 670 enum radeon_rmx_type rmx_type; 671 672 if (connector->encoder) 673 radeon_encoder = to_radeon_encoder(connector->encoder); 674 else { 675 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 676 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); 677 } 678 679 switch (val) { 680 default: 681 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break; 682 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break; 683 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break; 684 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break; 685 } 686 if (radeon_encoder->rmx_type == rmx_type) 687 return 0; 688 689 if ((rmx_type != DRM_MODE_SCALE_NONE) && 690 (radeon_encoder->native_mode.clock == 0)) 691 return 0; 692 693 radeon_encoder->rmx_type = rmx_type; 694 695 radeon_property_change_mode(&radeon_encoder->base); 696 } 697 698 if (property == rdev->mode_info.output_csc_property) { 699 if (connector->encoder) 700 radeon_encoder = to_radeon_encoder(connector->encoder); 701 else { 702 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 703 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); 704 } 705 706 if (radeon_encoder->output_csc == val) 707 return 0; 708 709 radeon_encoder->output_csc = val; 710 711 if (connector->encoder && connector->encoder->crtc) { 712 struct drm_crtc *crtc = connector->encoder->crtc; 713 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 714 715 radeon_crtc->output_csc = radeon_encoder->output_csc; 716 717 /* 718 * Our .gamma_set assumes the .gamma_store has been 719 * prefilled and don't care about its arguments. 720 */ 721 crtc->funcs->gamma_set(crtc, NULL, NULL, NULL, 0, NULL); 722 } 723 } 724 725 return 0; 726 } 727 728 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder, 729 struct drm_connector *connector) 730 { 731 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 732 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 733 struct drm_display_mode *t, *mode; 734 735 /* If the EDID preferred mode doesn't match the native mode, use it */ 736 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) { 737 if (mode->type & DRM_MODE_TYPE_PREFERRED) { 738 if (mode->hdisplay != native_mode->hdisplay || 739 mode->vdisplay != native_mode->vdisplay) 740 drm_mode_copy(native_mode, mode); 741 } 742 } 743 744 /* Try to get native mode details from EDID if necessary */ 745 if (!native_mode->clock) { 746 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) { 747 if (mode->hdisplay == native_mode->hdisplay && 748 mode->vdisplay == native_mode->vdisplay) { 749 drm_mode_copy(native_mode, mode); 750 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V); 751 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n"); 752 break; 753 } 754 } 755 } 756 757 if (!native_mode->clock) { 758 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n"); 759 radeon_encoder->rmx_type = RMX_OFF; 760 } 761 } 762 763 static int radeon_lvds_get_modes(struct drm_connector *connector) 764 { 765 struct drm_encoder *encoder; 766 int ret = 0; 767 struct drm_display_mode *mode; 768 769 radeon_connector_get_edid(connector); 770 ret = radeon_ddc_get_modes(connector); 771 if (ret > 0) { 772 encoder = radeon_best_single_encoder(connector); 773 if (encoder) { 774 radeon_fixup_lvds_native_mode(encoder, connector); 775 /* add scaled modes */ 776 radeon_add_common_modes(encoder, connector); 777 } 778 return ret; 779 } 780 781 encoder = radeon_best_single_encoder(connector); 782 if (!encoder) 783 return 0; 784 785 /* we have no EDID modes */ 786 mode = radeon_fp_native_mode(encoder); 787 if (mode) { 788 ret = 1; 789 drm_mode_probed_add(connector, mode); 790 /* add the width/height from vbios tables if available */ 791 connector->display_info.width_mm = mode->width_mm; 792 connector->display_info.height_mm = mode->height_mm; 793 /* add scaled modes */ 794 radeon_add_common_modes(encoder, connector); 795 } 796 797 return ret; 798 } 799 800 static enum drm_mode_status radeon_lvds_mode_valid(struct drm_connector *connector, 801 const struct drm_display_mode *mode) 802 { 803 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 804 805 if ((mode->hdisplay < 320) || (mode->vdisplay < 240)) 806 return MODE_PANEL; 807 808 if (encoder) { 809 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 810 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 811 812 /* AVIVO hardware supports downscaling modes larger than the panel 813 * to the panel size, but I'm not sure this is desirable. 814 */ 815 if ((mode->hdisplay > native_mode->hdisplay) || 816 (mode->vdisplay > native_mode->vdisplay)) 817 return MODE_PANEL; 818 819 /* if scaling is disabled, block non-native modes */ 820 if (radeon_encoder->rmx_type == RMX_OFF) { 821 if ((mode->hdisplay != native_mode->hdisplay) || 822 (mode->vdisplay != native_mode->vdisplay)) 823 return MODE_PANEL; 824 } 825 } 826 827 return MODE_OK; 828 } 829 830 static enum drm_connector_status 831 radeon_lvds_detect(struct drm_connector *connector, bool force) 832 { 833 struct drm_device *dev = connector->dev; 834 struct radeon_device *rdev = dev->dev_private; 835 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 836 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 837 enum drm_connector_status ret = connector_status_disconnected; 838 int r; 839 840 if (!drm_kms_helper_is_poll_worker()) { 841 r = pm_runtime_get_sync(connector->dev->dev); 842 if (r < 0) { 843 pm_runtime_put_autosuspend(connector->dev->dev); 844 return connector_status_disconnected; 845 } 846 } 847 848 if (encoder) { 849 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 850 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 851 852 /* check if panel is valid */ 853 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240) 854 ret = connector_status_connected; 855 /* don't fetch the edid from the vbios if ddc fails and runpm is 856 * enabled so we report disconnected. 857 */ 858 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0)) 859 ret = connector_status_disconnected; 860 } 861 862 /* check for edid as well */ 863 radeon_connector_get_edid(connector); 864 if (radeon_connector->edid) 865 ret = connector_status_connected; 866 /* check acpi lid status ??? */ 867 868 radeon_connector_update_scratch_regs(connector, ret); 869 870 if (!drm_kms_helper_is_poll_worker()) 871 pm_runtime_put_autosuspend(connector->dev->dev); 872 873 return ret; 874 } 875 876 static void radeon_connector_unregister(struct drm_connector *connector) 877 { 878 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 879 880 if (radeon_connector->ddc_bus && radeon_connector->ddc_bus->has_aux) { 881 drm_dp_aux_unregister(&radeon_connector->ddc_bus->aux); 882 radeon_connector->ddc_bus->has_aux = false; 883 } 884 } 885 886 static void radeon_connector_destroy(struct drm_connector *connector) 887 { 888 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 889 890 drm_edid_free(radeon_connector->edid); 891 radeon_connector->edid = NULL; 892 893 kfree(radeon_connector->con_priv); 894 drm_connector_unregister(connector); 895 drm_connector_cleanup(connector); 896 kfree(connector); 897 } 898 899 static int radeon_lvds_set_property(struct drm_connector *connector, 900 struct drm_property *property, 901 uint64_t value) 902 { 903 struct drm_device *dev = connector->dev; 904 struct radeon_encoder *radeon_encoder; 905 enum radeon_rmx_type rmx_type; 906 907 DRM_DEBUG_KMS("\n"); 908 if (property != dev->mode_config.scaling_mode_property) 909 return 0; 910 911 if (connector->encoder) 912 radeon_encoder = to_radeon_encoder(connector->encoder); 913 else { 914 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 915 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); 916 } 917 918 switch (value) { 919 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break; 920 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break; 921 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break; 922 default: 923 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break; 924 } 925 if (radeon_encoder->rmx_type == rmx_type) 926 return 0; 927 928 radeon_encoder->rmx_type = rmx_type; 929 930 radeon_property_change_mode(&radeon_encoder->base); 931 return 0; 932 } 933 934 935 static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = { 936 .get_modes = radeon_lvds_get_modes, 937 .mode_valid = radeon_lvds_mode_valid, 938 .best_encoder = radeon_best_single_encoder, 939 }; 940 941 static const struct drm_connector_funcs radeon_lvds_connector_funcs = { 942 .dpms = drm_helper_connector_dpms, 943 .detect = radeon_lvds_detect, 944 .fill_modes = drm_helper_probe_single_connector_modes, 945 .early_unregister = radeon_connector_unregister, 946 .destroy = radeon_connector_destroy, 947 .set_property = radeon_lvds_set_property, 948 }; 949 950 static int radeon_vga_get_modes(struct drm_connector *connector) 951 { 952 int ret; 953 954 radeon_connector_get_edid(connector); 955 ret = radeon_ddc_get_modes(connector); 956 957 radeon_get_native_mode(connector); 958 959 return ret; 960 } 961 962 static enum drm_mode_status radeon_vga_mode_valid(struct drm_connector *connector, 963 const struct drm_display_mode *mode) 964 { 965 struct drm_device *dev = connector->dev; 966 struct radeon_device *rdev = dev->dev_private; 967 968 /* XXX check mode bandwidth */ 969 970 if ((mode->clock / 10) > rdev->clock.max_pixel_clock) 971 return MODE_CLOCK_HIGH; 972 973 return MODE_OK; 974 } 975 976 static enum drm_connector_status 977 radeon_vga_detect(struct drm_connector *connector, bool force) 978 { 979 struct drm_device *dev = connector->dev; 980 struct radeon_device *rdev = dev->dev_private; 981 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 982 struct drm_encoder *encoder; 983 const struct drm_encoder_helper_funcs *encoder_funcs; 984 bool dret = false; 985 enum drm_connector_status ret = connector_status_disconnected; 986 int r; 987 988 if (!drm_kms_helper_is_poll_worker()) { 989 r = pm_runtime_get_sync(connector->dev->dev); 990 if (r < 0) { 991 pm_runtime_put_autosuspend(connector->dev->dev); 992 return connector_status_disconnected; 993 } 994 } 995 996 encoder = radeon_best_single_encoder(connector); 997 if (!encoder) 998 ret = connector_status_disconnected; 999 1000 if (radeon_connector->ddc_bus) 1001 dret = radeon_ddc_probe(radeon_connector, false); 1002 if (dret) { 1003 radeon_connector->detected_by_load = false; 1004 drm_edid_free(radeon_connector->edid); 1005 radeon_connector->edid = NULL; 1006 radeon_connector_get_edid(connector); 1007 1008 if (!radeon_connector->edid) { 1009 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n", 1010 connector->name); 1011 ret = connector_status_connected; 1012 } else { 1013 radeon_connector->use_digital = 1014 drm_edid_is_digital(radeon_connector->edid); 1015 1016 /* some oems have boards with separate digital and analog connectors 1017 * with a shared ddc line (often vga + hdmi) 1018 */ 1019 if (radeon_connector->use_digital && radeon_connector->shared_ddc) { 1020 drm_edid_free(radeon_connector->edid); 1021 radeon_connector->edid = NULL; 1022 ret = connector_status_disconnected; 1023 } else { 1024 ret = connector_status_connected; 1025 } 1026 } 1027 } else { 1028 1029 /* if we aren't forcing don't do destructive polling */ 1030 if (!force) { 1031 /* only return the previous status if we last 1032 * detected a monitor via load. 1033 */ 1034 if (radeon_connector->detected_by_load) 1035 ret = connector->status; 1036 goto out; 1037 } 1038 1039 if (radeon_connector->dac_load_detect && encoder) { 1040 encoder_funcs = encoder->helper_private; 1041 ret = encoder_funcs->detect(encoder, connector); 1042 if (ret != connector_status_disconnected) 1043 radeon_connector->detected_by_load = true; 1044 } 1045 } 1046 1047 if (ret == connector_status_connected) 1048 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true); 1049 1050 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the 1051 * vbios to deal with KVMs. If we have one and are not able to detect a monitor 1052 * by other means, assume the CRT is connected and use that EDID. 1053 */ 1054 if ((!rdev->is_atom_bios) && 1055 (ret == connector_status_disconnected) && 1056 rdev->mode_info.bios_hardcoded_edid) { 1057 ret = connector_status_connected; 1058 } 1059 1060 radeon_connector_update_scratch_regs(connector, ret); 1061 1062 out: 1063 if (!drm_kms_helper_is_poll_worker()) 1064 pm_runtime_put_autosuspend(connector->dev->dev); 1065 1066 return ret; 1067 } 1068 1069 static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = { 1070 .get_modes = radeon_vga_get_modes, 1071 .mode_valid = radeon_vga_mode_valid, 1072 .best_encoder = radeon_best_single_encoder, 1073 }; 1074 1075 static const struct drm_connector_funcs radeon_vga_connector_funcs = { 1076 .dpms = drm_helper_connector_dpms, 1077 .detect = radeon_vga_detect, 1078 .fill_modes = drm_helper_probe_single_connector_modes, 1079 .early_unregister = radeon_connector_unregister, 1080 .destroy = radeon_connector_destroy, 1081 .set_property = radeon_connector_set_property, 1082 }; 1083 1084 static int radeon_tv_get_modes(struct drm_connector *connector) 1085 { 1086 struct drm_device *dev = connector->dev; 1087 struct radeon_device *rdev = dev->dev_private; 1088 struct drm_display_mode *tv_mode; 1089 struct drm_encoder *encoder; 1090 1091 encoder = radeon_best_single_encoder(connector); 1092 if (!encoder) 1093 return 0; 1094 1095 /* avivo chips can scale any mode */ 1096 if (rdev->family >= CHIP_RS600) 1097 /* add scaled modes */ 1098 radeon_add_common_modes(encoder, connector); 1099 else { 1100 /* only 800x600 is supported right now on pre-avivo chips */ 1101 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false); 1102 if (!tv_mode) 1103 return 0; 1104 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; 1105 drm_mode_probed_add(connector, tv_mode); 1106 } 1107 return 1; 1108 } 1109 1110 static enum drm_mode_status radeon_tv_mode_valid(struct drm_connector *connector, 1111 const struct drm_display_mode *mode) 1112 { 1113 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768)) 1114 return MODE_CLOCK_RANGE; 1115 return MODE_OK; 1116 } 1117 1118 static enum drm_connector_status 1119 radeon_tv_detect(struct drm_connector *connector, bool force) 1120 { 1121 struct drm_encoder *encoder; 1122 const struct drm_encoder_helper_funcs *encoder_funcs; 1123 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1124 enum drm_connector_status ret = connector_status_disconnected; 1125 int r; 1126 1127 if (!radeon_connector->dac_load_detect) 1128 return ret; 1129 1130 if (!drm_kms_helper_is_poll_worker()) { 1131 r = pm_runtime_get_sync(connector->dev->dev); 1132 if (r < 0) { 1133 pm_runtime_put_autosuspend(connector->dev->dev); 1134 return connector_status_disconnected; 1135 } 1136 } 1137 1138 encoder = radeon_best_single_encoder(connector); 1139 if (!encoder) 1140 ret = connector_status_disconnected; 1141 else { 1142 encoder_funcs = encoder->helper_private; 1143 ret = encoder_funcs->detect(encoder, connector); 1144 } 1145 if (ret == connector_status_connected) 1146 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false); 1147 radeon_connector_update_scratch_regs(connector, ret); 1148 1149 if (!drm_kms_helper_is_poll_worker()) 1150 pm_runtime_put_autosuspend(connector->dev->dev); 1151 1152 return ret; 1153 } 1154 1155 static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = { 1156 .get_modes = radeon_tv_get_modes, 1157 .mode_valid = radeon_tv_mode_valid, 1158 .best_encoder = radeon_best_single_encoder, 1159 }; 1160 1161 static const struct drm_connector_funcs radeon_tv_connector_funcs = { 1162 .dpms = drm_helper_connector_dpms, 1163 .detect = radeon_tv_detect, 1164 .fill_modes = drm_helper_probe_single_connector_modes, 1165 .early_unregister = radeon_connector_unregister, 1166 .destroy = radeon_connector_destroy, 1167 .set_property = radeon_connector_set_property, 1168 }; 1169 1170 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector) 1171 { 1172 struct drm_device *dev = connector->dev; 1173 struct radeon_device *rdev = dev->dev_private; 1174 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1175 enum drm_connector_status status; 1176 1177 /* We only trust HPD on R600 and newer ASICS. */ 1178 if (rdev->family >= CHIP_R600 1179 && radeon_connector->hpd.hpd != RADEON_HPD_NONE) { 1180 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) 1181 status = connector_status_connected; 1182 else 1183 status = connector_status_disconnected; 1184 if (connector->status == status) 1185 return true; 1186 } 1187 1188 return false; 1189 } 1190 1191 /* 1192 * DVI is complicated 1193 * Do a DDC probe, if DDC probe passes, get the full EDID so 1194 * we can do analog/digital monitor detection at this point. 1195 * If the monitor is an analog monitor or we got no DDC, 1196 * we need to find the DAC encoder object for this connector. 1197 * If we got no DDC, we do load detection on the DAC encoder object. 1198 * If we got analog DDC or load detection passes on the DAC encoder 1199 * we have to check if this analog encoder is shared with anyone else (TV) 1200 * if its shared we have to set the other connector to disconnected. 1201 */ 1202 static enum drm_connector_status 1203 radeon_dvi_detect(struct drm_connector *connector, bool force) 1204 { 1205 struct drm_device *dev = connector->dev; 1206 struct radeon_device *rdev = dev->dev_private; 1207 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1208 struct drm_encoder *encoder = NULL; 1209 const struct drm_encoder_helper_funcs *encoder_funcs; 1210 int r; 1211 enum drm_connector_status ret = connector_status_disconnected; 1212 bool dret = false, broken_edid = false; 1213 1214 if (!drm_kms_helper_is_poll_worker()) { 1215 r = pm_runtime_get_sync(connector->dev->dev); 1216 if (r < 0) { 1217 pm_runtime_put_autosuspend(connector->dev->dev); 1218 return connector_status_disconnected; 1219 } 1220 } 1221 1222 if (radeon_connector->detected_hpd_without_ddc) { 1223 force = true; 1224 radeon_connector->detected_hpd_without_ddc = false; 1225 } 1226 1227 if (!force && radeon_check_hpd_status_unchanged(connector)) { 1228 ret = connector->status; 1229 goto exit; 1230 } 1231 1232 if (radeon_connector->ddc_bus) { 1233 dret = radeon_ddc_probe(radeon_connector, false); 1234 1235 /* Sometimes the pins required for the DDC probe on DVI 1236 * connectors don't make contact at the same time that the ones 1237 * for HPD do. If the DDC probe fails even though we had an HPD 1238 * signal, try again later */ 1239 if (!dret && !force && 1240 connector->status != connector_status_connected) { 1241 DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n"); 1242 radeon_connector->detected_hpd_without_ddc = true; 1243 schedule_delayed_work(&rdev->hotplug_work, 1244 msecs_to_jiffies(1000)); 1245 goto exit; 1246 } 1247 } 1248 if (dret) { 1249 radeon_connector->detected_by_load = false; 1250 drm_edid_free(radeon_connector->edid); 1251 radeon_connector->edid = NULL; 1252 radeon_connector_get_edid(connector); 1253 1254 if (!radeon_connector->edid) { 1255 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n", 1256 connector->name); 1257 /* rs690 seems to have a problem with connectors not existing and always 1258 * return a block of 0's. If we see this just stop polling on this output */ 1259 if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && 1260 radeon_connector->base.null_edid_counter) { 1261 ret = connector_status_disconnected; 1262 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", 1263 connector->name); 1264 radeon_connector->ddc_bus = NULL; 1265 } else { 1266 ret = connector_status_connected; 1267 broken_edid = true; /* defer use_digital to later */ 1268 } 1269 } else { 1270 radeon_connector->use_digital = 1271 drm_edid_is_digital(radeon_connector->edid); 1272 1273 /* some oems have boards with separate digital and analog connectors 1274 * with a shared ddc line (often vga + hdmi) 1275 */ 1276 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) { 1277 drm_edid_free(radeon_connector->edid); 1278 radeon_connector->edid = NULL; 1279 ret = connector_status_disconnected; 1280 } else { 1281 ret = connector_status_connected; 1282 } 1283 /* This gets complicated. We have boards with VGA + HDMI with a 1284 * shared DDC line and we have boards with DVI-D + HDMI with a shared 1285 * DDC line. The latter is more complex because with DVI<->HDMI adapters 1286 * you don't really know what's connected to which port as both are digital. 1287 */ 1288 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) { 1289 struct drm_connector *list_connector; 1290 struct radeon_connector *list_radeon_connector; 1291 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) { 1292 if (connector == list_connector) 1293 continue; 1294 list_radeon_connector = to_radeon_connector(list_connector); 1295 if (list_radeon_connector->shared_ddc && 1296 (list_radeon_connector->ddc_bus->rec.i2c_id == 1297 radeon_connector->ddc_bus->rec.i2c_id)) { 1298 /* cases where both connectors are digital */ 1299 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) { 1300 /* hpd is our only option in this case */ 1301 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { 1302 drm_edid_free(radeon_connector->edid); 1303 radeon_connector->edid = NULL; 1304 ret = connector_status_disconnected; 1305 } 1306 } 1307 } 1308 } 1309 } 1310 } 1311 } 1312 1313 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true)) 1314 goto out; 1315 1316 /* DVI-D and HDMI-A are digital only */ 1317 if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) || 1318 (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA)) 1319 goto out; 1320 1321 /* if we aren't forcing don't do destructive polling */ 1322 if (!force) { 1323 /* only return the previous status if we last 1324 * detected a monitor via load. 1325 */ 1326 if (radeon_connector->detected_by_load) 1327 ret = connector->status; 1328 goto out; 1329 } 1330 1331 /* find analog encoder */ 1332 if (radeon_connector->dac_load_detect) { 1333 drm_connector_for_each_possible_encoder(connector, encoder) { 1334 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC && 1335 encoder->encoder_type != DRM_MODE_ENCODER_TVDAC) 1336 continue; 1337 1338 encoder_funcs = encoder->helper_private; 1339 if (encoder_funcs->detect) { 1340 if (!broken_edid) { 1341 if (ret != connector_status_connected) { 1342 /* deal with analog monitors without DDC */ 1343 ret = encoder_funcs->detect(encoder, connector); 1344 if (ret == connector_status_connected) { 1345 radeon_connector->use_digital = false; 1346 } 1347 if (ret != connector_status_disconnected) 1348 radeon_connector->detected_by_load = true; 1349 } 1350 } else { 1351 enum drm_connector_status lret; 1352 /* assume digital unless load detected otherwise */ 1353 radeon_connector->use_digital = true; 1354 lret = encoder_funcs->detect(encoder, connector); 1355 DRM_DEBUG_KMS("load_detect %x returned: %x\n", encoder->encoder_type, lret); 1356 if (lret == connector_status_connected) 1357 radeon_connector->use_digital = false; 1358 } 1359 break; 1360 } 1361 } 1362 } 1363 1364 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) && 1365 encoder) { 1366 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true); 1367 } 1368 1369 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the 1370 * vbios to deal with KVMs. If we have one and are not able to detect a monitor 1371 * by other means, assume the DFP is connected and use that EDID. In most 1372 * cases the DVI port is actually a virtual KVM port connected to the service 1373 * processor. 1374 */ 1375 out: 1376 if ((!rdev->is_atom_bios) && 1377 (ret == connector_status_disconnected) && 1378 rdev->mode_info.bios_hardcoded_edid) { 1379 radeon_connector->use_digital = true; 1380 ret = connector_status_connected; 1381 } 1382 1383 /* updated in get modes as well since we need to know if it's analog or digital */ 1384 radeon_connector_update_scratch_regs(connector, ret); 1385 1386 if ((radeon_audio != 0) && radeon_connector->use_digital) { 1387 const struct drm_connector_helper_funcs *connector_funcs = 1388 connector->helper_private; 1389 1390 encoder = connector_funcs->best_encoder(connector); 1391 if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) { 1392 radeon_connector_get_edid(connector); 1393 radeon_audio_detect(connector, encoder, ret); 1394 } 1395 } 1396 1397 exit: 1398 if (!drm_kms_helper_is_poll_worker()) 1399 pm_runtime_put_autosuspend(connector->dev->dev); 1400 1401 return ret; 1402 } 1403 1404 /* okay need to be smart in here about which encoder to pick */ 1405 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector) 1406 { 1407 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1408 struct drm_encoder *encoder; 1409 1410 drm_connector_for_each_possible_encoder(connector, encoder) { 1411 if (radeon_connector->use_digital == true) { 1412 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS) 1413 return encoder; 1414 } else { 1415 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC || 1416 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC) 1417 return encoder; 1418 } 1419 } 1420 1421 /* see if we have a default encoder TODO */ 1422 1423 /* then check use digitial */ 1424 /* pick the first one */ 1425 drm_connector_for_each_possible_encoder(connector, encoder) 1426 return encoder; 1427 1428 return NULL; 1429 } 1430 1431 static void radeon_dvi_force(struct drm_connector *connector) 1432 { 1433 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1434 if (connector->force == DRM_FORCE_ON) 1435 radeon_connector->use_digital = false; 1436 if (connector->force == DRM_FORCE_ON_DIGITAL) 1437 radeon_connector->use_digital = true; 1438 } 1439 1440 static enum drm_mode_status radeon_dvi_mode_valid(struct drm_connector *connector, 1441 const struct drm_display_mode *mode) 1442 { 1443 struct drm_device *dev = connector->dev; 1444 struct radeon_device *rdev = dev->dev_private; 1445 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1446 1447 /* XXX check mode bandwidth */ 1448 1449 /* clocks over 135 MHz have heat issues with DVI on RV100 */ 1450 if (radeon_connector->use_digital && 1451 (rdev->family == CHIP_RV100) && 1452 (mode->clock > 135000)) 1453 return MODE_CLOCK_HIGH; 1454 1455 if (radeon_connector->use_digital && (mode->clock > 165000)) { 1456 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) || 1457 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) || 1458 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B)) 1459 return MODE_OK; 1460 else if (ASIC_IS_DCE6(rdev) && connector->display_info.is_hdmi) { 1461 /* HDMI 1.3+ supports max clock of 340 Mhz */ 1462 if (mode->clock > 340000) 1463 return MODE_CLOCK_HIGH; 1464 else 1465 return MODE_OK; 1466 } else { 1467 return MODE_CLOCK_HIGH; 1468 } 1469 } 1470 1471 /* check against the max pixel clock */ 1472 if ((mode->clock / 10) > rdev->clock.max_pixel_clock) 1473 return MODE_CLOCK_HIGH; 1474 1475 return MODE_OK; 1476 } 1477 1478 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = { 1479 .get_modes = radeon_vga_get_modes, 1480 .mode_valid = radeon_dvi_mode_valid, 1481 .best_encoder = radeon_dvi_encoder, 1482 }; 1483 1484 static const struct drm_connector_funcs radeon_dvi_connector_funcs = { 1485 .dpms = drm_helper_connector_dpms, 1486 .detect = radeon_dvi_detect, 1487 .fill_modes = drm_helper_probe_single_connector_modes, 1488 .set_property = radeon_connector_set_property, 1489 .early_unregister = radeon_connector_unregister, 1490 .destroy = radeon_connector_destroy, 1491 .force = radeon_dvi_force, 1492 }; 1493 1494 static int radeon_dp_get_modes(struct drm_connector *connector) 1495 { 1496 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1497 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1498 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1499 int ret; 1500 1501 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1502 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1503 struct drm_display_mode *mode; 1504 1505 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) { 1506 if (!radeon_dig_connector->edp_on) 1507 atombios_set_edp_panel_power(connector, 1508 ATOM_TRANSMITTER_ACTION_POWER_ON); 1509 radeon_connector_get_edid(connector); 1510 ret = radeon_ddc_get_modes(connector); 1511 if (!radeon_dig_connector->edp_on) 1512 atombios_set_edp_panel_power(connector, 1513 ATOM_TRANSMITTER_ACTION_POWER_OFF); 1514 } else { 1515 /* need to setup ddc on the bridge */ 1516 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1517 ENCODER_OBJECT_ID_NONE) { 1518 if (encoder) 1519 radeon_atom_ext_encoder_setup_ddc(encoder); 1520 } 1521 radeon_connector_get_edid(connector); 1522 ret = radeon_ddc_get_modes(connector); 1523 } 1524 1525 if (ret > 0) { 1526 if (encoder) { 1527 radeon_fixup_lvds_native_mode(encoder, connector); 1528 /* add scaled modes */ 1529 radeon_add_common_modes(encoder, connector); 1530 } 1531 return ret; 1532 } 1533 1534 if (!encoder) 1535 return 0; 1536 1537 /* we have no EDID modes */ 1538 mode = radeon_fp_native_mode(encoder); 1539 if (mode) { 1540 ret = 1; 1541 drm_mode_probed_add(connector, mode); 1542 /* add the width/height from vbios tables if available */ 1543 connector->display_info.width_mm = mode->width_mm; 1544 connector->display_info.height_mm = mode->height_mm; 1545 /* add scaled modes */ 1546 radeon_add_common_modes(encoder, connector); 1547 } 1548 } else { 1549 /* need to setup ddc on the bridge */ 1550 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1551 ENCODER_OBJECT_ID_NONE) { 1552 if (encoder) 1553 radeon_atom_ext_encoder_setup_ddc(encoder); 1554 } 1555 radeon_connector_get_edid(connector); 1556 ret = radeon_ddc_get_modes(connector); 1557 1558 radeon_get_native_mode(connector); 1559 } 1560 1561 return ret; 1562 } 1563 1564 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector) 1565 { 1566 struct drm_encoder *encoder; 1567 struct radeon_encoder *radeon_encoder; 1568 1569 drm_connector_for_each_possible_encoder(connector, encoder) { 1570 radeon_encoder = to_radeon_encoder(encoder); 1571 1572 switch (radeon_encoder->encoder_id) { 1573 case ENCODER_OBJECT_ID_TRAVIS: 1574 case ENCODER_OBJECT_ID_NUTMEG: 1575 return radeon_encoder->encoder_id; 1576 default: 1577 break; 1578 } 1579 } 1580 1581 return ENCODER_OBJECT_ID_NONE; 1582 } 1583 1584 static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector) 1585 { 1586 struct drm_encoder *encoder; 1587 struct radeon_encoder *radeon_encoder; 1588 bool found = false; 1589 1590 drm_connector_for_each_possible_encoder(connector, encoder) { 1591 radeon_encoder = to_radeon_encoder(encoder); 1592 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2) 1593 found = true; 1594 } 1595 1596 return found; 1597 } 1598 1599 bool radeon_connector_is_dp12_capable(struct drm_connector *connector) 1600 { 1601 struct drm_device *dev = connector->dev; 1602 struct radeon_device *rdev = dev->dev_private; 1603 1604 if (ASIC_IS_DCE5(rdev) && 1605 (rdev->clock.default_dispclk >= 53900) && 1606 radeon_connector_encoder_is_hbr2(connector)) { 1607 return true; 1608 } 1609 1610 return false; 1611 } 1612 1613 static enum drm_connector_status 1614 radeon_dp_detect(struct drm_connector *connector, bool force) 1615 { 1616 struct drm_device *dev = connector->dev; 1617 struct radeon_device *rdev = dev->dev_private; 1618 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1619 enum drm_connector_status ret = connector_status_disconnected; 1620 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1621 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1622 int r; 1623 1624 if (!drm_kms_helper_is_poll_worker()) { 1625 r = pm_runtime_get_sync(connector->dev->dev); 1626 if (r < 0) { 1627 pm_runtime_put_autosuspend(connector->dev->dev); 1628 return connector_status_disconnected; 1629 } 1630 } 1631 1632 if (!force && radeon_check_hpd_status_unchanged(connector)) { 1633 ret = connector->status; 1634 goto out; 1635 } 1636 1637 drm_edid_free(radeon_connector->edid); 1638 radeon_connector->edid = NULL; 1639 1640 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1641 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1642 if (encoder) { 1643 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 1644 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 1645 1646 /* check if panel is valid */ 1647 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240) 1648 ret = connector_status_connected; 1649 /* don't fetch the edid from the vbios if ddc fails and runpm is 1650 * enabled so we report disconnected. 1651 */ 1652 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0)) 1653 ret = connector_status_disconnected; 1654 } 1655 /* eDP is always DP */ 1656 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; 1657 if (!radeon_dig_connector->edp_on) 1658 atombios_set_edp_panel_power(connector, 1659 ATOM_TRANSMITTER_ACTION_POWER_ON); 1660 if (radeon_dp_getdpcd(radeon_connector)) 1661 ret = connector_status_connected; 1662 if (!radeon_dig_connector->edp_on) 1663 atombios_set_edp_panel_power(connector, 1664 ATOM_TRANSMITTER_ACTION_POWER_OFF); 1665 } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1666 ENCODER_OBJECT_ID_NONE) { 1667 /* DP bridges are always DP */ 1668 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; 1669 /* get the DPCD from the bridge */ 1670 radeon_dp_getdpcd(radeon_connector); 1671 1672 if (encoder) { 1673 /* setup ddc on the bridge */ 1674 radeon_atom_ext_encoder_setup_ddc(encoder); 1675 /* bridge chips are always aux */ 1676 if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */ 1677 ret = connector_status_connected; 1678 else if (radeon_connector->dac_load_detect) { /* try load detection */ 1679 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private; 1680 ret = encoder_funcs->detect(encoder, connector); 1681 } 1682 } 1683 } else { 1684 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector); 1685 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { 1686 ret = connector_status_connected; 1687 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) 1688 radeon_dp_getdpcd(radeon_connector); 1689 } else { 1690 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) { 1691 if (radeon_dp_getdpcd(radeon_connector)) 1692 ret = connector_status_connected; 1693 } else { 1694 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */ 1695 if (radeon_ddc_probe(radeon_connector, false)) 1696 ret = connector_status_connected; 1697 } 1698 } 1699 } 1700 1701 radeon_connector_update_scratch_regs(connector, ret); 1702 1703 if ((radeon_audio != 0) && encoder) { 1704 radeon_connector_get_edid(connector); 1705 radeon_audio_detect(connector, encoder, ret); 1706 } 1707 1708 out: 1709 if (!drm_kms_helper_is_poll_worker()) 1710 pm_runtime_put_autosuspend(connector->dev->dev); 1711 1712 return ret; 1713 } 1714 1715 static enum drm_mode_status radeon_dp_mode_valid(struct drm_connector *connector, 1716 const struct drm_display_mode *mode) 1717 { 1718 struct drm_device *dev = connector->dev; 1719 struct radeon_device *rdev = dev->dev_private; 1720 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1721 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1722 1723 /* XXX check mode bandwidth */ 1724 1725 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1726 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1727 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1728 1729 if ((mode->hdisplay < 320) || (mode->vdisplay < 240)) 1730 return MODE_PANEL; 1731 1732 if (encoder) { 1733 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 1734 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 1735 1736 /* AVIVO hardware supports downscaling modes larger than the panel 1737 * to the panel size, but I'm not sure this is desirable. 1738 */ 1739 if ((mode->hdisplay > native_mode->hdisplay) || 1740 (mode->vdisplay > native_mode->vdisplay)) 1741 return MODE_PANEL; 1742 1743 /* if scaling is disabled, block non-native modes */ 1744 if (radeon_encoder->rmx_type == RMX_OFF) { 1745 if ((mode->hdisplay != native_mode->hdisplay) || 1746 (mode->vdisplay != native_mode->vdisplay)) 1747 return MODE_PANEL; 1748 } 1749 } 1750 } else { 1751 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 1752 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) { 1753 return radeon_dp_mode_valid_helper(connector, mode); 1754 } else { 1755 if (ASIC_IS_DCE6(rdev) && connector->display_info.is_hdmi) { 1756 /* HDMI 1.3+ supports max clock of 340 Mhz */ 1757 if (mode->clock > 340000) 1758 return MODE_CLOCK_HIGH; 1759 } else { 1760 if (mode->clock > 165000) 1761 return MODE_CLOCK_HIGH; 1762 } 1763 } 1764 } 1765 1766 return MODE_OK; 1767 } 1768 1769 static int 1770 radeon_connector_late_register(struct drm_connector *connector) 1771 { 1772 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1773 int r = 0; 1774 1775 if (radeon_connector->ddc_bus->has_aux) { 1776 radeon_connector->ddc_bus->aux.dev = radeon_connector->base.kdev; 1777 r = drm_dp_aux_register(&radeon_connector->ddc_bus->aux); 1778 } 1779 1780 return r; 1781 } 1782 1783 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = { 1784 .get_modes = radeon_dp_get_modes, 1785 .mode_valid = radeon_dp_mode_valid, 1786 .best_encoder = radeon_dvi_encoder, 1787 }; 1788 1789 static const struct drm_connector_funcs radeon_dp_connector_funcs = { 1790 .dpms = drm_helper_connector_dpms, 1791 .detect = radeon_dp_detect, 1792 .fill_modes = drm_helper_probe_single_connector_modes, 1793 .set_property = radeon_connector_set_property, 1794 .early_unregister = radeon_connector_unregister, 1795 .destroy = radeon_connector_destroy, 1796 .force = radeon_dvi_force, 1797 .late_register = radeon_connector_late_register, 1798 }; 1799 1800 static const struct drm_connector_funcs radeon_edp_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_lvds_set_property, 1805 .early_unregister = radeon_connector_unregister, 1806 .destroy = radeon_connector_destroy, 1807 .force = radeon_dvi_force, 1808 .late_register = radeon_connector_late_register, 1809 }; 1810 1811 static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = { 1812 .dpms = drm_helper_connector_dpms, 1813 .detect = radeon_dp_detect, 1814 .fill_modes = drm_helper_probe_single_connector_modes, 1815 .set_property = radeon_lvds_set_property, 1816 .early_unregister = radeon_connector_unregister, 1817 .destroy = radeon_connector_destroy, 1818 .force = radeon_dvi_force, 1819 .late_register = radeon_connector_late_register, 1820 }; 1821 1822 void 1823 radeon_add_atom_connector(struct drm_device *dev, 1824 uint32_t connector_id, 1825 uint32_t supported_device, 1826 int connector_type, 1827 struct radeon_i2c_bus_rec *i2c_bus, 1828 uint32_t igp_lane_info, 1829 uint16_t connector_object_id, 1830 struct radeon_hpd *hpd, 1831 struct radeon_router *router) 1832 { 1833 struct radeon_device *rdev = dev->dev_private; 1834 struct drm_connector *connector; 1835 struct radeon_connector *radeon_connector; 1836 struct radeon_connector_atom_dig *radeon_dig_connector; 1837 struct drm_encoder *encoder; 1838 struct radeon_encoder *radeon_encoder; 1839 struct i2c_adapter *ddc = NULL; 1840 uint32_t subpixel_order = SubPixelNone; 1841 bool shared_ddc = false; 1842 bool is_dp_bridge = false; 1843 bool has_aux = false; 1844 1845 if (connector_type == DRM_MODE_CONNECTOR_Unknown) 1846 return; 1847 1848 /* if the user selected tv=0 don't try and add the connector */ 1849 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) || 1850 (connector_type == DRM_MODE_CONNECTOR_Composite) || 1851 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) && 1852 (radeon_tv == 0)) 1853 return; 1854 1855 /* see if we already added it */ 1856 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 1857 radeon_connector = to_radeon_connector(connector); 1858 if (radeon_connector->connector_id == connector_id) { 1859 radeon_connector->devices |= supported_device; 1860 return; 1861 } 1862 if (radeon_connector->ddc_bus && i2c_bus->valid) { 1863 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) { 1864 radeon_connector->shared_ddc = true; 1865 shared_ddc = true; 1866 } 1867 if (radeon_connector->router_bus && router->ddc_valid && 1868 (radeon_connector->router.router_id == router->router_id)) { 1869 radeon_connector->shared_ddc = false; 1870 shared_ddc = false; 1871 } 1872 } 1873 } 1874 1875 /* check if it's a dp bridge */ 1876 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 1877 radeon_encoder = to_radeon_encoder(encoder); 1878 if (radeon_encoder->devices & supported_device) { 1879 switch (radeon_encoder->encoder_id) { 1880 case ENCODER_OBJECT_ID_TRAVIS: 1881 case ENCODER_OBJECT_ID_NUTMEG: 1882 is_dp_bridge = true; 1883 break; 1884 default: 1885 break; 1886 } 1887 } 1888 } 1889 1890 radeon_connector = kzalloc_obj(struct radeon_connector); 1891 if (!radeon_connector) 1892 return; 1893 1894 connector = &radeon_connector->base; 1895 1896 radeon_connector->connector_id = connector_id; 1897 radeon_connector->devices = supported_device; 1898 radeon_connector->shared_ddc = shared_ddc; 1899 radeon_connector->connector_object_id = connector_object_id; 1900 radeon_connector->hpd = *hpd; 1901 1902 radeon_connector->router = *router; 1903 if (router->ddc_valid || router->cd_valid) { 1904 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info); 1905 if (!radeon_connector->router_bus) 1906 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n"); 1907 } 1908 1909 if (is_dp_bridge) { 1910 radeon_dig_connector = kzalloc_obj(struct radeon_connector_atom_dig); 1911 if (!radeon_dig_connector) 1912 goto failed; 1913 radeon_dig_connector->igp_lane_info = igp_lane_info; 1914 radeon_connector->con_priv = radeon_dig_connector; 1915 if (i2c_bus->valid) { 1916 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1917 if (radeon_connector->ddc_bus) { 1918 has_aux = true; 1919 ddc = &radeon_connector->ddc_bus->adapter; 1920 } else { 1921 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1922 } 1923 } 1924 switch (connector_type) { 1925 case DRM_MODE_CONNECTOR_VGA: 1926 case DRM_MODE_CONNECTOR_DVIA: 1927 default: 1928 drm_connector_init_with_ddc(dev, &radeon_connector->base, 1929 &radeon_dp_connector_funcs, 1930 connector_type, 1931 ddc); 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_with_ddc(dev, &radeon_connector->base, 1954 &radeon_dp_connector_funcs, 1955 connector_type, 1956 ddc); 1957 drm_connector_helper_add(&radeon_connector->base, 1958 &radeon_dp_connector_helper_funcs); 1959 drm_object_attach_property(&radeon_connector->base.base, 1960 rdev->mode_info.underscan_property, 1961 UNDERSCAN_OFF); 1962 drm_object_attach_property(&radeon_connector->base.base, 1963 rdev->mode_info.underscan_hborder_property, 1964 0); 1965 drm_object_attach_property(&radeon_connector->base.base, 1966 rdev->mode_info.underscan_vborder_property, 1967 0); 1968 1969 drm_object_attach_property(&radeon_connector->base.base, 1970 dev->mode_config.scaling_mode_property, 1971 DRM_MODE_SCALE_NONE); 1972 1973 drm_object_attach_property(&radeon_connector->base.base, 1974 rdev->mode_info.dither_property, 1975 RADEON_FMT_DITHER_DISABLE); 1976 1977 if (radeon_audio != 0) { 1978 drm_object_attach_property(&radeon_connector->base.base, 1979 rdev->mode_info.audio_property, 1980 RADEON_AUDIO_AUTO); 1981 radeon_connector->audio = RADEON_AUDIO_AUTO; 1982 } 1983 if (ASIC_IS_DCE5(rdev)) 1984 drm_object_attach_property(&radeon_connector->base.base, 1985 rdev->mode_info.output_csc_property, 1986 RADEON_OUTPUT_CSC_BYPASS); 1987 1988 subpixel_order = SubPixelHorizontalRGB; 1989 connector->interlace_allowed = true; 1990 if (connector_type == DRM_MODE_CONNECTOR_HDMIB) 1991 connector->doublescan_allowed = true; 1992 else 1993 connector->doublescan_allowed = false; 1994 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 1995 radeon_connector->dac_load_detect = true; 1996 drm_object_attach_property(&radeon_connector->base.base, 1997 rdev->mode_info.load_detect_property, 1998 1); 1999 } 2000 break; 2001 case DRM_MODE_CONNECTOR_LVDS: 2002 case DRM_MODE_CONNECTOR_eDP: 2003 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2004 &radeon_lvds_bridge_connector_funcs, 2005 connector_type, 2006 ddc); 2007 drm_connector_helper_add(&radeon_connector->base, 2008 &radeon_dp_connector_helper_funcs); 2009 drm_object_attach_property(&radeon_connector->base.base, 2010 dev->mode_config.scaling_mode_property, 2011 DRM_MODE_SCALE_FULLSCREEN); 2012 subpixel_order = SubPixelHorizontalRGB; 2013 connector->interlace_allowed = false; 2014 connector->doublescan_allowed = false; 2015 break; 2016 } 2017 } else { 2018 switch (connector_type) { 2019 case DRM_MODE_CONNECTOR_VGA: 2020 if (i2c_bus->valid) { 2021 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2022 if (!radeon_connector->ddc_bus) 2023 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2024 else 2025 ddc = &radeon_connector->ddc_bus->adapter; 2026 } 2027 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2028 &radeon_vga_connector_funcs, 2029 connector_type, 2030 ddc); 2031 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 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 if (ASIC_IS_AVIVO(rdev)) 2037 drm_object_attach_property(&radeon_connector->base.base, 2038 dev->mode_config.scaling_mode_property, 2039 DRM_MODE_SCALE_NONE); 2040 if (ASIC_IS_DCE5(rdev)) 2041 drm_object_attach_property(&radeon_connector->base.base, 2042 rdev->mode_info.output_csc_property, 2043 RADEON_OUTPUT_CSC_BYPASS); 2044 /* no HPD on analog connectors */ 2045 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2046 connector->interlace_allowed = true; 2047 connector->doublescan_allowed = true; 2048 break; 2049 case DRM_MODE_CONNECTOR_DVIA: 2050 if (i2c_bus->valid) { 2051 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2052 if (!radeon_connector->ddc_bus) 2053 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2054 else 2055 ddc = &radeon_connector->ddc_bus->adapter; 2056 } 2057 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2058 &radeon_vga_connector_funcs, 2059 connector_type, 2060 ddc); 2061 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 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_DVII: 2080 case DRM_MODE_CONNECTOR_DVID: 2081 radeon_dig_connector = kzalloc_obj(struct radeon_connector_atom_dig); 2082 if (!radeon_dig_connector) 2083 goto failed; 2084 radeon_dig_connector->igp_lane_info = igp_lane_info; 2085 radeon_connector->con_priv = radeon_dig_connector; 2086 if (i2c_bus->valid) { 2087 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2088 if (!radeon_connector->ddc_bus) 2089 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2090 else 2091 ddc = &radeon_connector->ddc_bus->adapter; 2092 } 2093 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2094 &radeon_dvi_connector_funcs, 2095 connector_type, 2096 ddc); 2097 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 2098 subpixel_order = SubPixelHorizontalRGB; 2099 drm_object_attach_property(&radeon_connector->base.base, 2100 rdev->mode_info.coherent_mode_property, 2101 1); 2102 if (ASIC_IS_AVIVO(rdev)) { 2103 drm_object_attach_property(&radeon_connector->base.base, 2104 rdev->mode_info.underscan_property, 2105 UNDERSCAN_OFF); 2106 drm_object_attach_property(&radeon_connector->base.base, 2107 rdev->mode_info.underscan_hborder_property, 2108 0); 2109 drm_object_attach_property(&radeon_connector->base.base, 2110 rdev->mode_info.underscan_vborder_property, 2111 0); 2112 drm_object_attach_property(&radeon_connector->base.base, 2113 rdev->mode_info.dither_property, 2114 RADEON_FMT_DITHER_DISABLE); 2115 drm_object_attach_property(&radeon_connector->base.base, 2116 dev->mode_config.scaling_mode_property, 2117 DRM_MODE_SCALE_NONE); 2118 } 2119 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) { 2120 drm_object_attach_property(&radeon_connector->base.base, 2121 rdev->mode_info.audio_property, 2122 RADEON_AUDIO_AUTO); 2123 radeon_connector->audio = RADEON_AUDIO_AUTO; 2124 } 2125 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 2126 radeon_connector->dac_load_detect = true; 2127 drm_object_attach_property(&radeon_connector->base.base, 2128 rdev->mode_info.load_detect_property, 2129 1); 2130 } 2131 if (ASIC_IS_DCE5(rdev)) 2132 drm_object_attach_property(&radeon_connector->base.base, 2133 rdev->mode_info.output_csc_property, 2134 RADEON_OUTPUT_CSC_BYPASS); 2135 connector->interlace_allowed = true; 2136 if (connector_type == DRM_MODE_CONNECTOR_DVII) 2137 connector->doublescan_allowed = true; 2138 else 2139 connector->doublescan_allowed = false; 2140 break; 2141 case DRM_MODE_CONNECTOR_HDMIA: 2142 case DRM_MODE_CONNECTOR_HDMIB: 2143 radeon_dig_connector = kzalloc_obj(struct radeon_connector_atom_dig); 2144 if (!radeon_dig_connector) 2145 goto failed; 2146 radeon_dig_connector->igp_lane_info = igp_lane_info; 2147 radeon_connector->con_priv = radeon_dig_connector; 2148 if (i2c_bus->valid) { 2149 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2150 if (!radeon_connector->ddc_bus) 2151 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2152 else 2153 ddc = &radeon_connector->ddc_bus->adapter; 2154 } 2155 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2156 &radeon_dvi_connector_funcs, 2157 connector_type, 2158 ddc); 2159 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 2160 drm_object_attach_property(&radeon_connector->base.base, 2161 rdev->mode_info.coherent_mode_property, 2162 1); 2163 if (ASIC_IS_AVIVO(rdev)) { 2164 drm_object_attach_property(&radeon_connector->base.base, 2165 rdev->mode_info.underscan_property, 2166 UNDERSCAN_OFF); 2167 drm_object_attach_property(&radeon_connector->base.base, 2168 rdev->mode_info.underscan_hborder_property, 2169 0); 2170 drm_object_attach_property(&radeon_connector->base.base, 2171 rdev->mode_info.underscan_vborder_property, 2172 0); 2173 drm_object_attach_property(&radeon_connector->base.base, 2174 rdev->mode_info.dither_property, 2175 RADEON_FMT_DITHER_DISABLE); 2176 drm_object_attach_property(&radeon_connector->base.base, 2177 dev->mode_config.scaling_mode_property, 2178 DRM_MODE_SCALE_NONE); 2179 } 2180 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) { 2181 drm_object_attach_property(&radeon_connector->base.base, 2182 rdev->mode_info.audio_property, 2183 RADEON_AUDIO_AUTO); 2184 radeon_connector->audio = RADEON_AUDIO_AUTO; 2185 } 2186 if (ASIC_IS_DCE5(rdev)) 2187 drm_object_attach_property(&radeon_connector->base.base, 2188 rdev->mode_info.output_csc_property, 2189 RADEON_OUTPUT_CSC_BYPASS); 2190 subpixel_order = SubPixelHorizontalRGB; 2191 connector->interlace_allowed = true; 2192 if (connector_type == DRM_MODE_CONNECTOR_HDMIB) 2193 connector->doublescan_allowed = true; 2194 else 2195 connector->doublescan_allowed = false; 2196 break; 2197 case DRM_MODE_CONNECTOR_DisplayPort: 2198 radeon_dig_connector = kzalloc_obj(struct radeon_connector_atom_dig); 2199 if (!radeon_dig_connector) 2200 goto failed; 2201 radeon_dig_connector->igp_lane_info = igp_lane_info; 2202 radeon_connector->con_priv = radeon_dig_connector; 2203 if (i2c_bus->valid) { 2204 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2205 if (radeon_connector->ddc_bus) { 2206 has_aux = true; 2207 ddc = &radeon_connector->ddc_bus->adapter; 2208 } else { 2209 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2210 } 2211 } 2212 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2213 &radeon_dp_connector_funcs, 2214 connector_type, 2215 ddc); 2216 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); 2217 subpixel_order = SubPixelHorizontalRGB; 2218 drm_object_attach_property(&radeon_connector->base.base, 2219 rdev->mode_info.coherent_mode_property, 2220 1); 2221 if (ASIC_IS_AVIVO(rdev)) { 2222 drm_object_attach_property(&radeon_connector->base.base, 2223 rdev->mode_info.underscan_property, 2224 UNDERSCAN_OFF); 2225 drm_object_attach_property(&radeon_connector->base.base, 2226 rdev->mode_info.underscan_hborder_property, 2227 0); 2228 drm_object_attach_property(&radeon_connector->base.base, 2229 rdev->mode_info.underscan_vborder_property, 2230 0); 2231 drm_object_attach_property(&radeon_connector->base.base, 2232 rdev->mode_info.dither_property, 2233 RADEON_FMT_DITHER_DISABLE); 2234 drm_object_attach_property(&radeon_connector->base.base, 2235 dev->mode_config.scaling_mode_property, 2236 DRM_MODE_SCALE_NONE); 2237 } 2238 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) { 2239 drm_object_attach_property(&radeon_connector->base.base, 2240 rdev->mode_info.audio_property, 2241 RADEON_AUDIO_AUTO); 2242 radeon_connector->audio = RADEON_AUDIO_AUTO; 2243 } 2244 if (ASIC_IS_DCE5(rdev)) 2245 drm_object_attach_property(&radeon_connector->base.base, 2246 rdev->mode_info.output_csc_property, 2247 RADEON_OUTPUT_CSC_BYPASS); 2248 connector->interlace_allowed = true; 2249 /* in theory with a DP to VGA converter... */ 2250 connector->doublescan_allowed = false; 2251 break; 2252 case DRM_MODE_CONNECTOR_eDP: 2253 radeon_dig_connector = kzalloc_obj(struct radeon_connector_atom_dig); 2254 if (!radeon_dig_connector) 2255 goto failed; 2256 radeon_dig_connector->igp_lane_info = igp_lane_info; 2257 radeon_connector->con_priv = radeon_dig_connector; 2258 if (i2c_bus->valid) { 2259 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2260 if (radeon_connector->ddc_bus) { 2261 has_aux = true; 2262 ddc = &radeon_connector->ddc_bus->adapter; 2263 } else { 2264 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2265 } 2266 } 2267 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2268 &radeon_edp_connector_funcs, 2269 connector_type, 2270 ddc); 2271 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); 2272 drm_object_attach_property(&radeon_connector->base.base, 2273 dev->mode_config.scaling_mode_property, 2274 DRM_MODE_SCALE_FULLSCREEN); 2275 subpixel_order = SubPixelHorizontalRGB; 2276 connector->interlace_allowed = false; 2277 connector->doublescan_allowed = false; 2278 break; 2279 case DRM_MODE_CONNECTOR_SVIDEO: 2280 case DRM_MODE_CONNECTOR_Composite: 2281 case DRM_MODE_CONNECTOR_9PinDIN: 2282 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2283 &radeon_tv_connector_funcs, 2284 connector_type, 2285 ddc); 2286 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs); 2287 radeon_connector->dac_load_detect = true; 2288 drm_object_attach_property(&radeon_connector->base.base, 2289 rdev->mode_info.load_detect_property, 2290 1); 2291 drm_object_attach_property(&radeon_connector->base.base, 2292 rdev->mode_info.tv_std_property, 2293 radeon_atombios_get_tv_info(rdev)); 2294 /* no HPD on analog connectors */ 2295 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2296 connector->interlace_allowed = false; 2297 connector->doublescan_allowed = false; 2298 break; 2299 case DRM_MODE_CONNECTOR_LVDS: 2300 radeon_dig_connector = kzalloc_obj(struct radeon_connector_atom_dig); 2301 if (!radeon_dig_connector) 2302 goto failed; 2303 radeon_dig_connector->igp_lane_info = igp_lane_info; 2304 radeon_connector->con_priv = radeon_dig_connector; 2305 if (i2c_bus->valid) { 2306 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2307 if (!radeon_connector->ddc_bus) 2308 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2309 else 2310 ddc = &radeon_connector->ddc_bus->adapter; 2311 } 2312 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2313 &radeon_lvds_connector_funcs, 2314 connector_type, 2315 ddc); 2316 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs); 2317 drm_object_attach_property(&radeon_connector->base.base, 2318 dev->mode_config.scaling_mode_property, 2319 DRM_MODE_SCALE_FULLSCREEN); 2320 subpixel_order = SubPixelHorizontalRGB; 2321 connector->interlace_allowed = false; 2322 connector->doublescan_allowed = false; 2323 break; 2324 } 2325 } 2326 2327 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) { 2328 if (i2c_bus->valid) { 2329 connector->polled = DRM_CONNECTOR_POLL_CONNECT | 2330 DRM_CONNECTOR_POLL_DISCONNECT; 2331 } 2332 } else 2333 connector->polled = DRM_CONNECTOR_POLL_HPD; 2334 2335 connector->display_info.subpixel_order = subpixel_order; 2336 drm_connector_register(connector); 2337 2338 if (has_aux) 2339 radeon_dp_aux_init(radeon_connector); 2340 2341 return; 2342 2343 failed: 2344 drm_connector_cleanup(connector); 2345 kfree(connector); 2346 } 2347 2348 void 2349 radeon_add_legacy_connector(struct drm_device *dev, 2350 uint32_t connector_id, 2351 uint32_t supported_device, 2352 int connector_type, 2353 struct radeon_i2c_bus_rec *i2c_bus, 2354 uint16_t connector_object_id, 2355 struct radeon_hpd *hpd) 2356 { 2357 struct radeon_device *rdev = dev->dev_private; 2358 struct drm_connector *connector; 2359 struct radeon_connector *radeon_connector; 2360 struct i2c_adapter *ddc = NULL; 2361 uint32_t subpixel_order = SubPixelNone; 2362 2363 if (connector_type == DRM_MODE_CONNECTOR_Unknown) 2364 return; 2365 2366 /* if the user selected tv=0 don't try and add the connector */ 2367 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) || 2368 (connector_type == DRM_MODE_CONNECTOR_Composite) || 2369 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) && 2370 (radeon_tv == 0)) 2371 return; 2372 2373 /* see if we already added it */ 2374 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 2375 radeon_connector = to_radeon_connector(connector); 2376 if (radeon_connector->connector_id == connector_id) { 2377 radeon_connector->devices |= supported_device; 2378 return; 2379 } 2380 } 2381 2382 radeon_connector = kzalloc_obj(struct radeon_connector); 2383 if (!radeon_connector) 2384 return; 2385 2386 connector = &radeon_connector->base; 2387 2388 radeon_connector->connector_id = connector_id; 2389 radeon_connector->devices = supported_device; 2390 radeon_connector->connector_object_id = connector_object_id; 2391 radeon_connector->hpd = *hpd; 2392 2393 switch (connector_type) { 2394 case DRM_MODE_CONNECTOR_VGA: 2395 if (i2c_bus->valid) { 2396 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2397 if (!radeon_connector->ddc_bus) 2398 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2399 else 2400 ddc = &radeon_connector->ddc_bus->adapter; 2401 } 2402 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2403 &radeon_vga_connector_funcs, 2404 connector_type, 2405 ddc); 2406 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2407 radeon_connector->dac_load_detect = true; 2408 drm_object_attach_property(&radeon_connector->base.base, 2409 rdev->mode_info.load_detect_property, 2410 1); 2411 /* no HPD on analog connectors */ 2412 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2413 connector->interlace_allowed = true; 2414 connector->doublescan_allowed = true; 2415 break; 2416 case DRM_MODE_CONNECTOR_DVIA: 2417 if (i2c_bus->valid) { 2418 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2419 if (!radeon_connector->ddc_bus) 2420 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2421 else 2422 ddc = &radeon_connector->ddc_bus->adapter; 2423 } 2424 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2425 &radeon_vga_connector_funcs, 2426 connector_type, 2427 ddc); 2428 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2429 radeon_connector->dac_load_detect = true; 2430 drm_object_attach_property(&radeon_connector->base.base, 2431 rdev->mode_info.load_detect_property, 2432 1); 2433 /* no HPD on analog connectors */ 2434 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2435 connector->interlace_allowed = true; 2436 connector->doublescan_allowed = true; 2437 break; 2438 case DRM_MODE_CONNECTOR_DVII: 2439 case DRM_MODE_CONNECTOR_DVID: 2440 if (i2c_bus->valid) { 2441 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2442 if (!radeon_connector->ddc_bus) 2443 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2444 else 2445 ddc = &radeon_connector->ddc_bus->adapter; 2446 } 2447 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2448 &radeon_dvi_connector_funcs, 2449 connector_type, 2450 ddc); 2451 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 2452 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 2453 radeon_connector->dac_load_detect = true; 2454 drm_object_attach_property(&radeon_connector->base.base, 2455 rdev->mode_info.load_detect_property, 2456 1); 2457 } 2458 subpixel_order = SubPixelHorizontalRGB; 2459 connector->interlace_allowed = true; 2460 if (connector_type == DRM_MODE_CONNECTOR_DVII) 2461 connector->doublescan_allowed = true; 2462 else 2463 connector->doublescan_allowed = false; 2464 break; 2465 case DRM_MODE_CONNECTOR_SVIDEO: 2466 case DRM_MODE_CONNECTOR_Composite: 2467 case DRM_MODE_CONNECTOR_9PinDIN: 2468 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2469 &radeon_tv_connector_funcs, 2470 connector_type, 2471 ddc); 2472 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs); 2473 radeon_connector->dac_load_detect = true; 2474 /* RS400,RC410,RS480 chipset seems to report a lot 2475 * of false positive on load detect, we haven't yet 2476 * found a way to make load detect reliable on those 2477 * chipset, thus just disable it for TV. 2478 */ 2479 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480) 2480 radeon_connector->dac_load_detect = false; 2481 drm_object_attach_property(&radeon_connector->base.base, 2482 rdev->mode_info.load_detect_property, 2483 radeon_connector->dac_load_detect); 2484 drm_object_attach_property(&radeon_connector->base.base, 2485 rdev->mode_info.tv_std_property, 2486 radeon_combios_get_tv_info(rdev)); 2487 /* no HPD on analog connectors */ 2488 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2489 connector->interlace_allowed = false; 2490 connector->doublescan_allowed = false; 2491 break; 2492 case DRM_MODE_CONNECTOR_LVDS: 2493 if (i2c_bus->valid) { 2494 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2495 if (!radeon_connector->ddc_bus) 2496 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2497 else 2498 ddc = &radeon_connector->ddc_bus->adapter; 2499 } 2500 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2501 &radeon_lvds_connector_funcs, 2502 connector_type, 2503 ddc); 2504 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs); 2505 drm_object_attach_property(&radeon_connector->base.base, 2506 dev->mode_config.scaling_mode_property, 2507 DRM_MODE_SCALE_FULLSCREEN); 2508 subpixel_order = SubPixelHorizontalRGB; 2509 connector->interlace_allowed = false; 2510 connector->doublescan_allowed = false; 2511 break; 2512 } 2513 2514 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) { 2515 if (i2c_bus->valid) { 2516 connector->polled = DRM_CONNECTOR_POLL_CONNECT | 2517 DRM_CONNECTOR_POLL_DISCONNECT; 2518 } 2519 } else 2520 connector->polled = DRM_CONNECTOR_POLL_HPD; 2521 2522 connector->display_info.subpixel_order = subpixel_order; 2523 drm_connector_register(connector); 2524 } 2525