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/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/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 static int radeon_dp_handle_hpd(struct drm_connector *connector) 41 { 42 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 43 int ret; 44 45 ret = radeon_dp_mst_check_status(radeon_connector); 46 if (ret == -EINVAL) 47 return 1; 48 return 0; 49 } 50 void radeon_connector_hotplug(struct drm_connector *connector) 51 { 52 struct drm_device *dev = connector->dev; 53 struct radeon_device *rdev = dev->dev_private; 54 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 55 56 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) { 57 struct radeon_connector_atom_dig *dig_connector = 58 radeon_connector->con_priv; 59 60 if (radeon_connector->is_mst_connector) 61 return; 62 if (dig_connector->is_mst) { 63 radeon_dp_handle_hpd(connector); 64 return; 65 } 66 } 67 /* bail if the connector does not have hpd pin, e.g., 68 * VGA, TV, etc. 69 */ 70 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) 71 return; 72 73 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); 74 75 /* if the connector is already off, don't turn it back on */ 76 /* FIXME: This access isn't protected by any locks. */ 77 if (connector->dpms != DRM_MODE_DPMS_ON) 78 return; 79 80 /* just deal with DP (not eDP) here. */ 81 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) { 82 struct radeon_connector_atom_dig *dig_connector = 83 radeon_connector->con_priv; 84 85 /* if existing sink type was not DP no need to retrain */ 86 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT) 87 return; 88 89 /* first get sink type as it may be reset after (un)plug */ 90 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector); 91 /* don't do anything if sink is not display port, i.e., 92 * passive dp->(dvi|hdmi) adaptor 93 */ 94 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT && 95 radeon_hpd_sense(rdev, radeon_connector->hpd.hpd) && 96 radeon_dp_needs_link_train(radeon_connector)) { 97 /* Don't start link training before we have the DPCD */ 98 if (!radeon_dp_getdpcd(radeon_connector)) 99 return; 100 101 /* Turn the connector off and back on immediately, which 102 * will trigger link training 103 */ 104 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); 105 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); 106 } 107 } 108 } 109 110 static void radeon_property_change_mode(struct drm_encoder *encoder) 111 { 112 struct drm_crtc *crtc = encoder->crtc; 113 114 if (crtc && crtc->enabled) { 115 drm_crtc_helper_set_mode(crtc, &crtc->mode, 116 crtc->x, crtc->y, crtc->primary->fb); 117 } 118 } 119 120 int radeon_get_monitor_bpc(struct drm_connector *connector) 121 { 122 struct drm_device *dev = connector->dev; 123 struct radeon_device *rdev = dev->dev_private; 124 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 125 struct radeon_connector_atom_dig *dig_connector; 126 int bpc = 8; 127 int mode_clock, max_tmds_clock; 128 129 switch (connector->connector_type) { 130 case DRM_MODE_CONNECTOR_DVII: 131 case DRM_MODE_CONNECTOR_HDMIB: 132 if (radeon_connector->use_digital) { 133 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 134 if (connector->display_info.bpc) 135 bpc = connector->display_info.bpc; 136 } 137 } 138 break; 139 case DRM_MODE_CONNECTOR_DVID: 140 case DRM_MODE_CONNECTOR_HDMIA: 141 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 142 if (connector->display_info.bpc) 143 bpc = connector->display_info.bpc; 144 } 145 break; 146 case DRM_MODE_CONNECTOR_DisplayPort: 147 dig_connector = radeon_connector->con_priv; 148 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 149 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) || 150 drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 151 if (connector->display_info.bpc) 152 bpc = connector->display_info.bpc; 153 } 154 break; 155 case DRM_MODE_CONNECTOR_eDP: 156 case DRM_MODE_CONNECTOR_LVDS: 157 if (connector->display_info.bpc) 158 bpc = connector->display_info.bpc; 159 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) { 160 const struct drm_connector_helper_funcs *connector_funcs = 161 connector->helper_private; 162 struct drm_encoder *encoder = connector_funcs->best_encoder(connector); 163 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 164 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; 165 166 if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR) 167 bpc = 6; 168 else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR) 169 bpc = 8; 170 } 171 break; 172 } 173 174 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 175 /* hdmi deep color only implemented on DCE4+ */ 176 if ((bpc > 8) && !ASIC_IS_DCE4(rdev)) { 177 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 8 bpc.\n", 178 connector->name, bpc); 179 bpc = 8; 180 } 181 182 /* 183 * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make 184 * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at 185 * 12 bpc is always supported on hdmi deep color sinks, as this is 186 * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum. 187 */ 188 if (bpc > 12) { 189 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n", 190 connector->name, bpc); 191 bpc = 12; 192 } 193 194 /* Any defined maximum tmds clock limit we must not exceed? */ 195 if (connector->display_info.max_tmds_clock > 0) { 196 /* mode_clock is clock in kHz for mode to be modeset on this connector */ 197 mode_clock = radeon_connector->pixelclock_for_modeset; 198 199 /* Maximum allowable input clock in kHz */ 200 max_tmds_clock = connector->display_info.max_tmds_clock; 201 202 DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n", 203 connector->name, mode_clock, max_tmds_clock); 204 205 /* Check if bpc is within clock limit. Try to degrade gracefully otherwise */ 206 if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) { 207 if ((connector->display_info.edid_hdmi_dc_modes & DRM_EDID_HDMI_DC_30) && 208 (mode_clock * 5/4 <= max_tmds_clock)) 209 bpc = 10; 210 else 211 bpc = 8; 212 213 DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n", 214 connector->name, bpc); 215 } 216 217 if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) { 218 bpc = 8; 219 DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n", 220 connector->name, bpc); 221 } 222 } 223 else if (bpc > 8) { 224 /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */ 225 DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n", 226 connector->name); 227 bpc = 8; 228 } 229 } 230 231 if ((radeon_deep_color == 0) && (bpc > 8)) { 232 DRM_DEBUG("%s: Deep color disabled. Set radeon module param deep_color=1 to enable.\n", 233 connector->name); 234 bpc = 8; 235 } 236 237 DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n", 238 connector->name, connector->display_info.bpc, bpc); 239 240 return bpc; 241 } 242 243 static void 244 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status) 245 { 246 struct drm_device *dev = connector->dev; 247 struct radeon_device *rdev = dev->dev_private; 248 struct drm_encoder *best_encoder; 249 struct drm_encoder *encoder; 250 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 251 bool connected; 252 253 best_encoder = connector_funcs->best_encoder(connector); 254 255 drm_connector_for_each_possible_encoder(connector, encoder) { 256 if ((encoder == best_encoder) && (status == connector_status_connected)) 257 connected = true; 258 else 259 connected = false; 260 261 if (rdev->is_atom_bios) 262 radeon_atombios_connected_scratch_regs(connector, encoder, connected); 263 else 264 radeon_combios_connected_scratch_regs(connector, encoder, connected); 265 } 266 } 267 268 static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type) 269 { 270 struct drm_encoder *encoder; 271 272 drm_connector_for_each_possible_encoder(connector, encoder) { 273 if (encoder->encoder_type == encoder_type) 274 return encoder; 275 } 276 277 return NULL; 278 } 279 280 struct edid *radeon_connector_edid(struct drm_connector *connector) 281 { 282 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 283 struct drm_property_blob *edid_blob = connector->edid_blob_ptr; 284 285 if (radeon_connector->edid) { 286 return radeon_connector->edid; 287 } else if (edid_blob) { 288 struct edid *edid = kmemdup(edid_blob->data, edid_blob->length, GFP_KERNEL); 289 if (edid) 290 radeon_connector->edid = edid; 291 } 292 return radeon_connector->edid; 293 } 294 295 static void radeon_connector_get_edid(struct drm_connector *connector) 296 { 297 struct drm_device *dev = connector->dev; 298 struct radeon_device *rdev = dev->dev_private; 299 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 300 301 if (radeon_connector->edid) 302 return; 303 304 /* on hw with routers, select right port */ 305 if (radeon_connector->router.ddc_valid) 306 radeon_router_select_ddc_port(radeon_connector); 307 308 if ((radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 309 ENCODER_OBJECT_ID_NONE) && 310 radeon_connector->ddc_bus->has_aux) { 311 radeon_connector->edid = drm_get_edid(connector, 312 &radeon_connector->ddc_bus->aux.ddc); 313 } else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) || 314 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) { 315 struct radeon_connector_atom_dig *dig = radeon_connector->con_priv; 316 317 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT || 318 dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) && 319 radeon_connector->ddc_bus->has_aux) 320 radeon_connector->edid = drm_get_edid(&radeon_connector->base, 321 &radeon_connector->ddc_bus->aux.ddc); 322 else if (radeon_connector->ddc_bus) 323 radeon_connector->edid = drm_get_edid(&radeon_connector->base, 324 &radeon_connector->ddc_bus->adapter); 325 } else if (vga_switcheroo_handler_flags() & VGA_SWITCHEROO_CAN_SWITCH_DDC && 326 connector->connector_type == DRM_MODE_CONNECTOR_LVDS && 327 radeon_connector->ddc_bus) { 328 radeon_connector->edid = drm_get_edid_switcheroo(&radeon_connector->base, 329 &radeon_connector->ddc_bus->adapter); 330 } else if (radeon_connector->ddc_bus) { 331 radeon_connector->edid = drm_get_edid(&radeon_connector->base, 332 &radeon_connector->ddc_bus->adapter); 333 } 334 335 if (!radeon_connector->edid) { 336 /* don't fetch the edid from the vbios if ddc fails and runpm is 337 * enabled so we report disconnected. 338 */ 339 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0)) 340 return; 341 342 if (rdev->is_atom_bios) { 343 /* some laptops provide a hardcoded edid in rom for LCDs */ 344 if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) || 345 (connector->connector_type == DRM_MODE_CONNECTOR_eDP))) 346 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev); 347 } else { 348 /* some servers provide a hardcoded edid in rom for KVMs */ 349 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev); 350 } 351 } 352 } 353 354 static void radeon_connector_free_edid(struct drm_connector *connector) 355 { 356 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 357 358 if (radeon_connector->edid) { 359 kfree(radeon_connector->edid); 360 radeon_connector->edid = NULL; 361 } 362 } 363 364 static int radeon_ddc_get_modes(struct drm_connector *connector) 365 { 366 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 367 int ret; 368 369 if (radeon_connector->edid) { 370 drm_connector_update_edid_property(connector, radeon_connector->edid); 371 ret = drm_add_edid_modes(connector, radeon_connector->edid); 372 return ret; 373 } 374 drm_connector_update_edid_property(connector, NULL); 375 return 0; 376 } 377 378 static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector) 379 { 380 struct drm_encoder *encoder; 381 382 /* pick the first one */ 383 drm_connector_for_each_possible_encoder(connector, encoder) 384 return encoder; 385 386 return NULL; 387 } 388 389 static void radeon_get_native_mode(struct drm_connector *connector) 390 { 391 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 392 struct radeon_encoder *radeon_encoder; 393 394 if (encoder == NULL) 395 return; 396 397 radeon_encoder = to_radeon_encoder(encoder); 398 399 if (!list_empty(&connector->probed_modes)) { 400 struct drm_display_mode *preferred_mode = 401 list_first_entry(&connector->probed_modes, 402 struct drm_display_mode, head); 403 404 radeon_encoder->native_mode = *preferred_mode; 405 } else { 406 radeon_encoder->native_mode.clock = 0; 407 } 408 } 409 410 /* 411 * radeon_connector_analog_encoder_conflict_solve 412 * - search for other connectors sharing this encoder 413 * if priority is true, then set them disconnected if this is connected 414 * if priority is false, set us disconnected if they are connected 415 */ 416 static enum drm_connector_status 417 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector, 418 struct drm_encoder *encoder, 419 enum drm_connector_status current_status, 420 bool priority) 421 { 422 struct drm_device *dev = connector->dev; 423 struct drm_connector *conflict; 424 struct radeon_connector *radeon_conflict; 425 426 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) { 427 struct drm_encoder *enc; 428 429 if (conflict == connector) 430 continue; 431 432 radeon_conflict = to_radeon_connector(conflict); 433 434 drm_connector_for_each_possible_encoder(conflict, enc) { 435 /* if the IDs match */ 436 if (enc == encoder) { 437 if (conflict->status != connector_status_connected) 438 continue; 439 440 if (radeon_conflict->use_digital) 441 continue; 442 443 if (priority) { 444 DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", 445 conflict->name); 446 DRM_DEBUG_KMS("in favor of %s\n", 447 connector->name); 448 conflict->status = connector_status_disconnected; 449 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected); 450 } else { 451 DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", 452 connector->name); 453 DRM_DEBUG_KMS("in favor of %s\n", 454 conflict->name); 455 current_status = connector_status_disconnected; 456 } 457 break; 458 } 459 } 460 } 461 return current_status; 462 463 } 464 465 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder) 466 { 467 struct drm_device *dev = encoder->dev; 468 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 469 struct drm_display_mode *mode = NULL; 470 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 471 472 if (native_mode->hdisplay != 0 && 473 native_mode->vdisplay != 0 && 474 native_mode->clock != 0) { 475 mode = drm_mode_duplicate(dev, native_mode); 476 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; 477 drm_mode_set_name(mode); 478 479 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name); 480 } else if (native_mode->hdisplay != 0 && 481 native_mode->vdisplay != 0) { 482 /* mac laptops without an edid */ 483 /* Note that this is not necessarily the exact panel mode, 484 * but an approximation based on the cvt formula. For these 485 * systems we should ideally read the mode info out of the 486 * registers or add a mode table, but this works and is much 487 * simpler. 488 */ 489 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false); 490 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; 491 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name); 492 } 493 return mode; 494 } 495 496 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector) 497 { 498 struct drm_device *dev = encoder->dev; 499 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 500 struct drm_display_mode *mode = NULL; 501 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 502 int i; 503 struct mode_size { 504 int w; 505 int h; 506 } common_modes[17] = { 507 { 640, 480}, 508 { 720, 480}, 509 { 800, 600}, 510 { 848, 480}, 511 {1024, 768}, 512 {1152, 768}, 513 {1280, 720}, 514 {1280, 800}, 515 {1280, 854}, 516 {1280, 960}, 517 {1280, 1024}, 518 {1440, 900}, 519 {1400, 1050}, 520 {1680, 1050}, 521 {1600, 1200}, 522 {1920, 1080}, 523 {1920, 1200} 524 }; 525 526 for (i = 0; i < 17; i++) { 527 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) { 528 if (common_modes[i].w > 1024 || 529 common_modes[i].h > 768) 530 continue; 531 } 532 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { 533 if (common_modes[i].w > native_mode->hdisplay || 534 common_modes[i].h > native_mode->vdisplay || 535 (common_modes[i].w == native_mode->hdisplay && 536 common_modes[i].h == native_mode->vdisplay)) 537 continue; 538 } 539 if (common_modes[i].w < 320 || common_modes[i].h < 200) 540 continue; 541 542 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false); 543 drm_mode_probed_add(connector, mode); 544 } 545 } 546 547 static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property, 548 uint64_t val) 549 { 550 struct drm_device *dev = connector->dev; 551 struct radeon_device *rdev = dev->dev_private; 552 struct drm_encoder *encoder; 553 struct radeon_encoder *radeon_encoder; 554 555 if (property == rdev->mode_info.coherent_mode_property) { 556 struct radeon_encoder_atom_dig *dig; 557 bool new_coherent_mode; 558 559 /* need to find digital encoder on connector */ 560 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 561 if (!encoder) 562 return 0; 563 564 radeon_encoder = to_radeon_encoder(encoder); 565 566 if (!radeon_encoder->enc_priv) 567 return 0; 568 569 dig = radeon_encoder->enc_priv; 570 new_coherent_mode = val ? true : false; 571 if (dig->coherent_mode != new_coherent_mode) { 572 dig->coherent_mode = new_coherent_mode; 573 radeon_property_change_mode(&radeon_encoder->base); 574 } 575 } 576 577 if (property == rdev->mode_info.audio_property) { 578 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 579 /* need to find digital encoder on connector */ 580 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 581 if (!encoder) 582 return 0; 583 584 radeon_encoder = to_radeon_encoder(encoder); 585 586 if (radeon_connector->audio != val) { 587 radeon_connector->audio = val; 588 radeon_property_change_mode(&radeon_encoder->base); 589 } 590 } 591 592 if (property == rdev->mode_info.dither_property) { 593 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 594 /* need to find digital encoder on connector */ 595 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 596 if (!encoder) 597 return 0; 598 599 radeon_encoder = to_radeon_encoder(encoder); 600 601 if (radeon_connector->dither != val) { 602 radeon_connector->dither = val; 603 radeon_property_change_mode(&radeon_encoder->base); 604 } 605 } 606 607 if (property == rdev->mode_info.underscan_property) { 608 /* need to find digital encoder on connector */ 609 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 610 if (!encoder) 611 return 0; 612 613 radeon_encoder = to_radeon_encoder(encoder); 614 615 if (radeon_encoder->underscan_type != val) { 616 radeon_encoder->underscan_type = val; 617 radeon_property_change_mode(&radeon_encoder->base); 618 } 619 } 620 621 if (property == rdev->mode_info.underscan_hborder_property) { 622 /* need to find digital encoder on connector */ 623 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 624 if (!encoder) 625 return 0; 626 627 radeon_encoder = to_radeon_encoder(encoder); 628 629 if (radeon_encoder->underscan_hborder != val) { 630 radeon_encoder->underscan_hborder = val; 631 radeon_property_change_mode(&radeon_encoder->base); 632 } 633 } 634 635 if (property == rdev->mode_info.underscan_vborder_property) { 636 /* need to find digital encoder on connector */ 637 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 638 if (!encoder) 639 return 0; 640 641 radeon_encoder = to_radeon_encoder(encoder); 642 643 if (radeon_encoder->underscan_vborder != val) { 644 radeon_encoder->underscan_vborder = val; 645 radeon_property_change_mode(&radeon_encoder->base); 646 } 647 } 648 649 if (property == rdev->mode_info.tv_std_property) { 650 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC); 651 if (!encoder) { 652 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC); 653 } 654 655 if (!encoder) 656 return 0; 657 658 radeon_encoder = to_radeon_encoder(encoder); 659 if (!radeon_encoder->enc_priv) 660 return 0; 661 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) { 662 struct radeon_encoder_atom_dac *dac_int; 663 dac_int = radeon_encoder->enc_priv; 664 dac_int->tv_std = val; 665 } else { 666 struct radeon_encoder_tv_dac *dac_int; 667 dac_int = radeon_encoder->enc_priv; 668 dac_int->tv_std = val; 669 } 670 radeon_property_change_mode(&radeon_encoder->base); 671 } 672 673 if (property == rdev->mode_info.load_detect_property) { 674 struct radeon_connector *radeon_connector = 675 to_radeon_connector(connector); 676 677 if (val == 0) 678 radeon_connector->dac_load_detect = false; 679 else 680 radeon_connector->dac_load_detect = true; 681 } 682 683 if (property == rdev->mode_info.tmds_pll_property) { 684 struct radeon_encoder_int_tmds *tmds = NULL; 685 bool ret = false; 686 /* need to find digital encoder on connector */ 687 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 688 if (!encoder) 689 return 0; 690 691 radeon_encoder = to_radeon_encoder(encoder); 692 693 tmds = radeon_encoder->enc_priv; 694 if (!tmds) 695 return 0; 696 697 if (val == 0) { 698 if (rdev->is_atom_bios) 699 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds); 700 else 701 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds); 702 } 703 if (val == 1 || !ret) 704 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds); 705 706 radeon_property_change_mode(&radeon_encoder->base); 707 } 708 709 if (property == dev->mode_config.scaling_mode_property) { 710 enum radeon_rmx_type rmx_type; 711 712 if (connector->encoder) 713 radeon_encoder = to_radeon_encoder(connector->encoder); 714 else { 715 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 716 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); 717 } 718 719 switch (val) { 720 default: 721 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break; 722 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break; 723 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break; 724 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break; 725 } 726 if (radeon_encoder->rmx_type == rmx_type) 727 return 0; 728 729 if ((rmx_type != DRM_MODE_SCALE_NONE) && 730 (radeon_encoder->native_mode.clock == 0)) 731 return 0; 732 733 radeon_encoder->rmx_type = rmx_type; 734 735 radeon_property_change_mode(&radeon_encoder->base); 736 } 737 738 if (property == rdev->mode_info.output_csc_property) { 739 if (connector->encoder) 740 radeon_encoder = to_radeon_encoder(connector->encoder); 741 else { 742 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 743 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); 744 } 745 746 if (radeon_encoder->output_csc == val) 747 return 0; 748 749 radeon_encoder->output_csc = val; 750 751 if (connector->encoder && connector->encoder->crtc) { 752 struct drm_crtc *crtc = connector->encoder->crtc; 753 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 754 755 radeon_crtc->output_csc = radeon_encoder->output_csc; 756 757 /* 758 * Our .gamma_set assumes the .gamma_store has been 759 * prefilled and don't care about its arguments. 760 */ 761 crtc->funcs->gamma_set(crtc, NULL, NULL, NULL, 0, NULL); 762 } 763 } 764 765 return 0; 766 } 767 768 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder, 769 struct drm_connector *connector) 770 { 771 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 772 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 773 struct drm_display_mode *t, *mode; 774 775 /* If the EDID preferred mode doesn't match the native mode, use it */ 776 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) { 777 if (mode->type & DRM_MODE_TYPE_PREFERRED) { 778 if (mode->hdisplay != native_mode->hdisplay || 779 mode->vdisplay != native_mode->vdisplay) 780 memcpy(native_mode, mode, sizeof(*mode)); 781 } 782 } 783 784 /* Try to get native mode details from EDID if necessary */ 785 if (!native_mode->clock) { 786 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) { 787 if (mode->hdisplay == native_mode->hdisplay && 788 mode->vdisplay == native_mode->vdisplay) { 789 *native_mode = *mode; 790 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V); 791 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n"); 792 break; 793 } 794 } 795 } 796 797 if (!native_mode->clock) { 798 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n"); 799 radeon_encoder->rmx_type = RMX_OFF; 800 } 801 } 802 803 static int radeon_lvds_get_modes(struct drm_connector *connector) 804 { 805 struct drm_encoder *encoder; 806 int ret = 0; 807 struct drm_display_mode *mode; 808 809 radeon_connector_get_edid(connector); 810 ret = radeon_ddc_get_modes(connector); 811 if (ret > 0) { 812 encoder = radeon_best_single_encoder(connector); 813 if (encoder) { 814 radeon_fixup_lvds_native_mode(encoder, connector); 815 /* add scaled modes */ 816 radeon_add_common_modes(encoder, connector); 817 } 818 return ret; 819 } 820 821 encoder = radeon_best_single_encoder(connector); 822 if (!encoder) 823 return 0; 824 825 /* we have no EDID modes */ 826 mode = radeon_fp_native_mode(encoder); 827 if (mode) { 828 ret = 1; 829 drm_mode_probed_add(connector, mode); 830 /* add the width/height from vbios tables if available */ 831 connector->display_info.width_mm = mode->width_mm; 832 connector->display_info.height_mm = mode->height_mm; 833 /* add scaled modes */ 834 radeon_add_common_modes(encoder, connector); 835 } 836 837 return ret; 838 } 839 840 static enum drm_mode_status radeon_lvds_mode_valid(struct drm_connector *connector, 841 struct drm_display_mode *mode) 842 { 843 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 844 845 if ((mode->hdisplay < 320) || (mode->vdisplay < 240)) 846 return MODE_PANEL; 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 /* AVIVO hardware supports downscaling modes larger than the panel 853 * to the panel size, but I'm not sure this is desirable. 854 */ 855 if ((mode->hdisplay > native_mode->hdisplay) || 856 (mode->vdisplay > native_mode->vdisplay)) 857 return MODE_PANEL; 858 859 /* if scaling is disabled, block non-native modes */ 860 if (radeon_encoder->rmx_type == RMX_OFF) { 861 if ((mode->hdisplay != native_mode->hdisplay) || 862 (mode->vdisplay != native_mode->vdisplay)) 863 return MODE_PANEL; 864 } 865 } 866 867 return MODE_OK; 868 } 869 870 static enum drm_connector_status 871 radeon_lvds_detect(struct drm_connector *connector, bool force) 872 { 873 struct drm_device *dev = connector->dev; 874 struct radeon_device *rdev = dev->dev_private; 875 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 876 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 877 enum drm_connector_status ret = connector_status_disconnected; 878 int r; 879 880 if (!drm_kms_helper_is_poll_worker()) { 881 r = pm_runtime_get_sync(connector->dev->dev); 882 if (r < 0) { 883 pm_runtime_put_autosuspend(connector->dev->dev); 884 return connector_status_disconnected; 885 } 886 } 887 888 if (encoder) { 889 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 890 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 891 892 /* check if panel is valid */ 893 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240) 894 ret = connector_status_connected; 895 /* don't fetch the edid from the vbios if ddc fails and runpm is 896 * enabled so we report disconnected. 897 */ 898 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0)) 899 ret = connector_status_disconnected; 900 } 901 902 /* check for edid as well */ 903 radeon_connector_get_edid(connector); 904 if (radeon_connector->edid) 905 ret = connector_status_connected; 906 /* check acpi lid status ??? */ 907 908 radeon_connector_update_scratch_regs(connector, ret); 909 910 if (!drm_kms_helper_is_poll_worker()) { 911 pm_runtime_mark_last_busy(connector->dev->dev); 912 pm_runtime_put_autosuspend(connector->dev->dev); 913 } 914 915 return ret; 916 } 917 918 static void radeon_connector_unregister(struct drm_connector *connector) 919 { 920 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 921 922 if (radeon_connector->ddc_bus && radeon_connector->ddc_bus->has_aux) { 923 drm_dp_aux_unregister(&radeon_connector->ddc_bus->aux); 924 radeon_connector->ddc_bus->has_aux = false; 925 } 926 } 927 928 static void radeon_connector_destroy(struct drm_connector *connector) 929 { 930 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 931 932 radeon_connector_free_edid(connector); 933 kfree(radeon_connector->con_priv); 934 drm_connector_unregister(connector); 935 drm_connector_cleanup(connector); 936 kfree(connector); 937 } 938 939 static int radeon_lvds_set_property(struct drm_connector *connector, 940 struct drm_property *property, 941 uint64_t value) 942 { 943 struct drm_device *dev = connector->dev; 944 struct radeon_encoder *radeon_encoder; 945 enum radeon_rmx_type rmx_type; 946 947 DRM_DEBUG_KMS("\n"); 948 if (property != dev->mode_config.scaling_mode_property) 949 return 0; 950 951 if (connector->encoder) 952 radeon_encoder = to_radeon_encoder(connector->encoder); 953 else { 954 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 955 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); 956 } 957 958 switch (value) { 959 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break; 960 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break; 961 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break; 962 default: 963 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break; 964 } 965 if (radeon_encoder->rmx_type == rmx_type) 966 return 0; 967 968 radeon_encoder->rmx_type = rmx_type; 969 970 radeon_property_change_mode(&radeon_encoder->base); 971 return 0; 972 } 973 974 975 static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = { 976 .get_modes = radeon_lvds_get_modes, 977 .mode_valid = radeon_lvds_mode_valid, 978 .best_encoder = radeon_best_single_encoder, 979 }; 980 981 static const struct drm_connector_funcs radeon_lvds_connector_funcs = { 982 .dpms = drm_helper_connector_dpms, 983 .detect = radeon_lvds_detect, 984 .fill_modes = drm_helper_probe_single_connector_modes, 985 .early_unregister = radeon_connector_unregister, 986 .destroy = radeon_connector_destroy, 987 .set_property = radeon_lvds_set_property, 988 }; 989 990 static int radeon_vga_get_modes(struct drm_connector *connector) 991 { 992 int ret; 993 994 radeon_connector_get_edid(connector); 995 ret = radeon_ddc_get_modes(connector); 996 997 radeon_get_native_mode(connector); 998 999 return ret; 1000 } 1001 1002 static enum drm_mode_status radeon_vga_mode_valid(struct drm_connector *connector, 1003 struct drm_display_mode *mode) 1004 { 1005 struct drm_device *dev = connector->dev; 1006 struct radeon_device *rdev = dev->dev_private; 1007 1008 /* XXX check mode bandwidth */ 1009 1010 if ((mode->clock / 10) > rdev->clock.max_pixel_clock) 1011 return MODE_CLOCK_HIGH; 1012 1013 return MODE_OK; 1014 } 1015 1016 static enum drm_connector_status 1017 radeon_vga_detect(struct drm_connector *connector, bool force) 1018 { 1019 struct drm_device *dev = connector->dev; 1020 struct radeon_device *rdev = dev->dev_private; 1021 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1022 struct drm_encoder *encoder; 1023 const struct drm_encoder_helper_funcs *encoder_funcs; 1024 bool dret = false; 1025 enum drm_connector_status ret = connector_status_disconnected; 1026 int r; 1027 1028 if (!drm_kms_helper_is_poll_worker()) { 1029 r = pm_runtime_get_sync(connector->dev->dev); 1030 if (r < 0) { 1031 pm_runtime_put_autosuspend(connector->dev->dev); 1032 return connector_status_disconnected; 1033 } 1034 } 1035 1036 encoder = radeon_best_single_encoder(connector); 1037 if (!encoder) 1038 ret = connector_status_disconnected; 1039 1040 if (radeon_connector->ddc_bus) 1041 dret = radeon_ddc_probe(radeon_connector, false); 1042 if (dret) { 1043 radeon_connector->detected_by_load = false; 1044 radeon_connector_free_edid(connector); 1045 radeon_connector_get_edid(connector); 1046 1047 if (!radeon_connector->edid) { 1048 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n", 1049 connector->name); 1050 ret = connector_status_connected; 1051 } else { 1052 radeon_connector->use_digital = 1053 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL); 1054 1055 /* some oems have boards with separate digital and analog connectors 1056 * with a shared ddc line (often vga + hdmi) 1057 */ 1058 if (radeon_connector->use_digital && radeon_connector->shared_ddc) { 1059 radeon_connector_free_edid(connector); 1060 ret = connector_status_disconnected; 1061 } else { 1062 ret = connector_status_connected; 1063 } 1064 } 1065 } else { 1066 1067 /* if we aren't forcing don't do destructive polling */ 1068 if (!force) { 1069 /* only return the previous status if we last 1070 * detected a monitor via load. 1071 */ 1072 if (radeon_connector->detected_by_load) 1073 ret = connector->status; 1074 goto out; 1075 } 1076 1077 if (radeon_connector->dac_load_detect && encoder) { 1078 encoder_funcs = encoder->helper_private; 1079 ret = encoder_funcs->detect(encoder, connector); 1080 if (ret != connector_status_disconnected) 1081 radeon_connector->detected_by_load = true; 1082 } 1083 } 1084 1085 if (ret == connector_status_connected) 1086 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true); 1087 1088 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the 1089 * vbios to deal with KVMs. If we have one and are not able to detect a monitor 1090 * by other means, assume the CRT is connected and use that EDID. 1091 */ 1092 if ((!rdev->is_atom_bios) && 1093 (ret == connector_status_disconnected) && 1094 rdev->mode_info.bios_hardcoded_edid_size) { 1095 ret = connector_status_connected; 1096 } 1097 1098 radeon_connector_update_scratch_regs(connector, ret); 1099 1100 out: 1101 if (!drm_kms_helper_is_poll_worker()) { 1102 pm_runtime_mark_last_busy(connector->dev->dev); 1103 pm_runtime_put_autosuspend(connector->dev->dev); 1104 } 1105 1106 return ret; 1107 } 1108 1109 static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = { 1110 .get_modes = radeon_vga_get_modes, 1111 .mode_valid = radeon_vga_mode_valid, 1112 .best_encoder = radeon_best_single_encoder, 1113 }; 1114 1115 static const struct drm_connector_funcs radeon_vga_connector_funcs = { 1116 .dpms = drm_helper_connector_dpms, 1117 .detect = radeon_vga_detect, 1118 .fill_modes = drm_helper_probe_single_connector_modes, 1119 .early_unregister = radeon_connector_unregister, 1120 .destroy = radeon_connector_destroy, 1121 .set_property = radeon_connector_set_property, 1122 }; 1123 1124 static int radeon_tv_get_modes(struct drm_connector *connector) 1125 { 1126 struct drm_device *dev = connector->dev; 1127 struct radeon_device *rdev = dev->dev_private; 1128 struct drm_display_mode *tv_mode; 1129 struct drm_encoder *encoder; 1130 1131 encoder = radeon_best_single_encoder(connector); 1132 if (!encoder) 1133 return 0; 1134 1135 /* avivo chips can scale any mode */ 1136 if (rdev->family >= CHIP_RS600) 1137 /* add scaled modes */ 1138 radeon_add_common_modes(encoder, connector); 1139 else { 1140 /* only 800x600 is supported right now on pre-avivo chips */ 1141 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false); 1142 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; 1143 drm_mode_probed_add(connector, tv_mode); 1144 } 1145 return 1; 1146 } 1147 1148 static enum drm_mode_status radeon_tv_mode_valid(struct drm_connector *connector, 1149 struct drm_display_mode *mode) 1150 { 1151 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768)) 1152 return MODE_CLOCK_RANGE; 1153 return MODE_OK; 1154 } 1155 1156 static enum drm_connector_status 1157 radeon_tv_detect(struct drm_connector *connector, bool force) 1158 { 1159 struct drm_encoder *encoder; 1160 const struct drm_encoder_helper_funcs *encoder_funcs; 1161 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1162 enum drm_connector_status ret = connector_status_disconnected; 1163 int r; 1164 1165 if (!radeon_connector->dac_load_detect) 1166 return ret; 1167 1168 if (!drm_kms_helper_is_poll_worker()) { 1169 r = pm_runtime_get_sync(connector->dev->dev); 1170 if (r < 0) { 1171 pm_runtime_put_autosuspend(connector->dev->dev); 1172 return connector_status_disconnected; 1173 } 1174 } 1175 1176 encoder = radeon_best_single_encoder(connector); 1177 if (!encoder) 1178 ret = connector_status_disconnected; 1179 else { 1180 encoder_funcs = encoder->helper_private; 1181 ret = encoder_funcs->detect(encoder, connector); 1182 } 1183 if (ret == connector_status_connected) 1184 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false); 1185 radeon_connector_update_scratch_regs(connector, ret); 1186 1187 if (!drm_kms_helper_is_poll_worker()) { 1188 pm_runtime_mark_last_busy(connector->dev->dev); 1189 pm_runtime_put_autosuspend(connector->dev->dev); 1190 } 1191 1192 return ret; 1193 } 1194 1195 static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = { 1196 .get_modes = radeon_tv_get_modes, 1197 .mode_valid = radeon_tv_mode_valid, 1198 .best_encoder = radeon_best_single_encoder, 1199 }; 1200 1201 static const struct drm_connector_funcs radeon_tv_connector_funcs = { 1202 .dpms = drm_helper_connector_dpms, 1203 .detect = radeon_tv_detect, 1204 .fill_modes = drm_helper_probe_single_connector_modes, 1205 .early_unregister = radeon_connector_unregister, 1206 .destroy = radeon_connector_destroy, 1207 .set_property = radeon_connector_set_property, 1208 }; 1209 1210 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector) 1211 { 1212 struct drm_device *dev = connector->dev; 1213 struct radeon_device *rdev = dev->dev_private; 1214 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1215 enum drm_connector_status status; 1216 1217 /* We only trust HPD on R600 and newer ASICS. */ 1218 if (rdev->family >= CHIP_R600 1219 && radeon_connector->hpd.hpd != RADEON_HPD_NONE) { 1220 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) 1221 status = connector_status_connected; 1222 else 1223 status = connector_status_disconnected; 1224 if (connector->status == status) 1225 return true; 1226 } 1227 1228 return false; 1229 } 1230 1231 /* 1232 * DVI is complicated 1233 * Do a DDC probe, if DDC probe passes, get the full EDID so 1234 * we can do analog/digital monitor detection at this point. 1235 * If the monitor is an analog monitor or we got no DDC, 1236 * we need to find the DAC encoder object for this connector. 1237 * If we got no DDC, we do load detection on the DAC encoder object. 1238 * If we got analog DDC or load detection passes on the DAC encoder 1239 * we have to check if this analog encoder is shared with anyone else (TV) 1240 * if its shared we have to set the other connector to disconnected. 1241 */ 1242 static enum drm_connector_status 1243 radeon_dvi_detect(struct drm_connector *connector, bool force) 1244 { 1245 struct drm_device *dev = connector->dev; 1246 struct radeon_device *rdev = dev->dev_private; 1247 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1248 struct drm_encoder *encoder = NULL; 1249 const struct drm_encoder_helper_funcs *encoder_funcs; 1250 int r; 1251 enum drm_connector_status ret = connector_status_disconnected; 1252 bool dret = false, broken_edid = false; 1253 1254 if (!drm_kms_helper_is_poll_worker()) { 1255 r = pm_runtime_get_sync(connector->dev->dev); 1256 if (r < 0) { 1257 pm_runtime_put_autosuspend(connector->dev->dev); 1258 return connector_status_disconnected; 1259 } 1260 } 1261 1262 if (radeon_connector->detected_hpd_without_ddc) { 1263 force = true; 1264 radeon_connector->detected_hpd_without_ddc = false; 1265 } 1266 1267 if (!force && radeon_check_hpd_status_unchanged(connector)) { 1268 ret = connector->status; 1269 goto exit; 1270 } 1271 1272 if (radeon_connector->ddc_bus) { 1273 dret = radeon_ddc_probe(radeon_connector, false); 1274 1275 /* Sometimes the pins required for the DDC probe on DVI 1276 * connectors don't make contact at the same time that the ones 1277 * for HPD do. If the DDC probe fails even though we had an HPD 1278 * signal, try again later */ 1279 if (!dret && !force && 1280 connector->status != connector_status_connected) { 1281 DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n"); 1282 radeon_connector->detected_hpd_without_ddc = true; 1283 schedule_delayed_work(&rdev->hotplug_work, 1284 msecs_to_jiffies(1000)); 1285 goto exit; 1286 } 1287 } 1288 if (dret) { 1289 radeon_connector->detected_by_load = false; 1290 radeon_connector_free_edid(connector); 1291 radeon_connector_get_edid(connector); 1292 1293 if (!radeon_connector->edid) { 1294 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n", 1295 connector->name); 1296 /* rs690 seems to have a problem with connectors not existing and always 1297 * return a block of 0's. If we see this just stop polling on this output */ 1298 if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && 1299 radeon_connector->base.null_edid_counter) { 1300 ret = connector_status_disconnected; 1301 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", 1302 connector->name); 1303 radeon_connector->ddc_bus = NULL; 1304 } else { 1305 ret = connector_status_connected; 1306 broken_edid = true; /* defer use_digital to later */ 1307 } 1308 } else { 1309 radeon_connector->use_digital = 1310 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL); 1311 1312 /* some oems have boards with separate digital and analog connectors 1313 * with a shared ddc line (often vga + hdmi) 1314 */ 1315 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) { 1316 radeon_connector_free_edid(connector); 1317 ret = connector_status_disconnected; 1318 } else { 1319 ret = connector_status_connected; 1320 } 1321 /* This gets complicated. We have boards with VGA + HDMI with a 1322 * shared DDC line and we have boards with DVI-D + HDMI with a shared 1323 * DDC line. The latter is more complex because with DVI<->HDMI adapters 1324 * you don't really know what's connected to which port as both are digital. 1325 */ 1326 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) { 1327 struct drm_connector *list_connector; 1328 struct radeon_connector *list_radeon_connector; 1329 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) { 1330 if (connector == list_connector) 1331 continue; 1332 list_radeon_connector = to_radeon_connector(list_connector); 1333 if (list_radeon_connector->shared_ddc && 1334 (list_radeon_connector->ddc_bus->rec.i2c_id == 1335 radeon_connector->ddc_bus->rec.i2c_id)) { 1336 /* cases where both connectors are digital */ 1337 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) { 1338 /* hpd is our only option in this case */ 1339 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { 1340 radeon_connector_free_edid(connector); 1341 ret = connector_status_disconnected; 1342 } 1343 } 1344 } 1345 } 1346 } 1347 } 1348 } 1349 1350 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true)) 1351 goto out; 1352 1353 /* DVI-D and HDMI-A are digital only */ 1354 if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) || 1355 (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA)) 1356 goto out; 1357 1358 /* if we aren't forcing don't do destructive polling */ 1359 if (!force) { 1360 /* only return the previous status if we last 1361 * detected a monitor via load. 1362 */ 1363 if (radeon_connector->detected_by_load) 1364 ret = connector->status; 1365 goto out; 1366 } 1367 1368 /* find analog encoder */ 1369 if (radeon_connector->dac_load_detect) { 1370 drm_connector_for_each_possible_encoder(connector, encoder) { 1371 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC && 1372 encoder->encoder_type != DRM_MODE_ENCODER_TVDAC) 1373 continue; 1374 1375 encoder_funcs = encoder->helper_private; 1376 if (encoder_funcs->detect) { 1377 if (!broken_edid) { 1378 if (ret != connector_status_connected) { 1379 /* deal with analog monitors without DDC */ 1380 ret = encoder_funcs->detect(encoder, connector); 1381 if (ret == connector_status_connected) { 1382 radeon_connector->use_digital = false; 1383 } 1384 if (ret != connector_status_disconnected) 1385 radeon_connector->detected_by_load = true; 1386 } 1387 } else { 1388 enum drm_connector_status lret; 1389 /* assume digital unless load detected otherwise */ 1390 radeon_connector->use_digital = true; 1391 lret = encoder_funcs->detect(encoder, connector); 1392 DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret); 1393 if (lret == connector_status_connected) 1394 radeon_connector->use_digital = false; 1395 } 1396 break; 1397 } 1398 } 1399 } 1400 1401 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) && 1402 encoder) { 1403 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true); 1404 } 1405 1406 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the 1407 * vbios to deal with KVMs. If we have one and are not able to detect a monitor 1408 * by other means, assume the DFP is connected and use that EDID. In most 1409 * cases the DVI port is actually a virtual KVM port connected to the service 1410 * processor. 1411 */ 1412 out: 1413 if ((!rdev->is_atom_bios) && 1414 (ret == connector_status_disconnected) && 1415 rdev->mode_info.bios_hardcoded_edid_size) { 1416 radeon_connector->use_digital = true; 1417 ret = connector_status_connected; 1418 } 1419 1420 /* updated in get modes as well since we need to know if it's analog or digital */ 1421 radeon_connector_update_scratch_regs(connector, ret); 1422 1423 if ((radeon_audio != 0) && radeon_connector->use_digital) { 1424 const struct drm_connector_helper_funcs *connector_funcs = 1425 connector->helper_private; 1426 1427 encoder = connector_funcs->best_encoder(connector); 1428 if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) { 1429 radeon_connector_get_edid(connector); 1430 radeon_audio_detect(connector, encoder, ret); 1431 } 1432 } 1433 1434 exit: 1435 if (!drm_kms_helper_is_poll_worker()) { 1436 pm_runtime_mark_last_busy(connector->dev->dev); 1437 pm_runtime_put_autosuspend(connector->dev->dev); 1438 } 1439 1440 return ret; 1441 } 1442 1443 /* okay need to be smart in here about which encoder to pick */ 1444 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector) 1445 { 1446 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1447 struct drm_encoder *encoder; 1448 1449 drm_connector_for_each_possible_encoder(connector, encoder) { 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 drm_connector_for_each_possible_encoder(connector, encoder) 1465 return encoder; 1466 1467 return NULL; 1468 } 1469 1470 static void radeon_dvi_force(struct drm_connector *connector) 1471 { 1472 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1473 if (connector->force == DRM_FORCE_ON) 1474 radeon_connector->use_digital = false; 1475 if (connector->force == DRM_FORCE_ON_DIGITAL) 1476 radeon_connector->use_digital = true; 1477 } 1478 1479 static enum drm_mode_status radeon_dvi_mode_valid(struct drm_connector *connector, 1480 struct drm_display_mode *mode) 1481 { 1482 struct drm_device *dev = connector->dev; 1483 struct radeon_device *rdev = dev->dev_private; 1484 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1485 1486 /* XXX check mode bandwidth */ 1487 1488 /* clocks over 135 MHz have heat issues with DVI on RV100 */ 1489 if (radeon_connector->use_digital && 1490 (rdev->family == CHIP_RV100) && 1491 (mode->clock > 135000)) 1492 return MODE_CLOCK_HIGH; 1493 1494 if (radeon_connector->use_digital && (mode->clock > 165000)) { 1495 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) || 1496 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) || 1497 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B)) 1498 return MODE_OK; 1499 else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 1500 /* HDMI 1.3+ supports max clock of 340 Mhz */ 1501 if (mode->clock > 340000) 1502 return MODE_CLOCK_HIGH; 1503 else 1504 return MODE_OK; 1505 } else { 1506 return MODE_CLOCK_HIGH; 1507 } 1508 } 1509 1510 /* check against the max pixel clock */ 1511 if ((mode->clock / 10) > rdev->clock.max_pixel_clock) 1512 return MODE_CLOCK_HIGH; 1513 1514 return MODE_OK; 1515 } 1516 1517 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = { 1518 .get_modes = radeon_vga_get_modes, 1519 .mode_valid = radeon_dvi_mode_valid, 1520 .best_encoder = radeon_dvi_encoder, 1521 }; 1522 1523 static const struct drm_connector_funcs radeon_dvi_connector_funcs = { 1524 .dpms = drm_helper_connector_dpms, 1525 .detect = radeon_dvi_detect, 1526 .fill_modes = drm_helper_probe_single_connector_modes, 1527 .set_property = radeon_connector_set_property, 1528 .early_unregister = radeon_connector_unregister, 1529 .destroy = radeon_connector_destroy, 1530 .force = radeon_dvi_force, 1531 }; 1532 1533 static int radeon_dp_get_modes(struct drm_connector *connector) 1534 { 1535 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1536 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1537 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1538 int ret; 1539 1540 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1541 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1542 struct drm_display_mode *mode; 1543 1544 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) { 1545 if (!radeon_dig_connector->edp_on) 1546 atombios_set_edp_panel_power(connector, 1547 ATOM_TRANSMITTER_ACTION_POWER_ON); 1548 radeon_connector_get_edid(connector); 1549 ret = radeon_ddc_get_modes(connector); 1550 if (!radeon_dig_connector->edp_on) 1551 atombios_set_edp_panel_power(connector, 1552 ATOM_TRANSMITTER_ACTION_POWER_OFF); 1553 } else { 1554 /* need to setup ddc on the bridge */ 1555 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1556 ENCODER_OBJECT_ID_NONE) { 1557 if (encoder) 1558 radeon_atom_ext_encoder_setup_ddc(encoder); 1559 } 1560 radeon_connector_get_edid(connector); 1561 ret = radeon_ddc_get_modes(connector); 1562 } 1563 1564 if (ret > 0) { 1565 if (encoder) { 1566 radeon_fixup_lvds_native_mode(encoder, connector); 1567 /* add scaled modes */ 1568 radeon_add_common_modes(encoder, connector); 1569 } 1570 return ret; 1571 } 1572 1573 if (!encoder) 1574 return 0; 1575 1576 /* we have no EDID modes */ 1577 mode = radeon_fp_native_mode(encoder); 1578 if (mode) { 1579 ret = 1; 1580 drm_mode_probed_add(connector, mode); 1581 /* add the width/height from vbios tables if available */ 1582 connector->display_info.width_mm = mode->width_mm; 1583 connector->display_info.height_mm = mode->height_mm; 1584 /* add scaled modes */ 1585 radeon_add_common_modes(encoder, connector); 1586 } 1587 } else { 1588 /* need to setup ddc on the bridge */ 1589 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1590 ENCODER_OBJECT_ID_NONE) { 1591 if (encoder) 1592 radeon_atom_ext_encoder_setup_ddc(encoder); 1593 } 1594 radeon_connector_get_edid(connector); 1595 ret = radeon_ddc_get_modes(connector); 1596 1597 radeon_get_native_mode(connector); 1598 } 1599 1600 return ret; 1601 } 1602 1603 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector) 1604 { 1605 struct drm_encoder *encoder; 1606 struct radeon_encoder *radeon_encoder; 1607 1608 drm_connector_for_each_possible_encoder(connector, encoder) { 1609 radeon_encoder = to_radeon_encoder(encoder); 1610 1611 switch (radeon_encoder->encoder_id) { 1612 case ENCODER_OBJECT_ID_TRAVIS: 1613 case ENCODER_OBJECT_ID_NUTMEG: 1614 return radeon_encoder->encoder_id; 1615 default: 1616 break; 1617 } 1618 } 1619 1620 return ENCODER_OBJECT_ID_NONE; 1621 } 1622 1623 static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector) 1624 { 1625 struct drm_encoder *encoder; 1626 struct radeon_encoder *radeon_encoder; 1627 bool found = false; 1628 1629 drm_connector_for_each_possible_encoder(connector, encoder) { 1630 radeon_encoder = to_radeon_encoder(encoder); 1631 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2) 1632 found = true; 1633 } 1634 1635 return found; 1636 } 1637 1638 bool radeon_connector_is_dp12_capable(struct drm_connector *connector) 1639 { 1640 struct drm_device *dev = connector->dev; 1641 struct radeon_device *rdev = dev->dev_private; 1642 1643 if (ASIC_IS_DCE5(rdev) && 1644 (rdev->clock.default_dispclk >= 53900) && 1645 radeon_connector_encoder_is_hbr2(connector)) { 1646 return true; 1647 } 1648 1649 return false; 1650 } 1651 1652 static enum drm_connector_status 1653 radeon_dp_detect(struct drm_connector *connector, bool force) 1654 { 1655 struct drm_device *dev = connector->dev; 1656 struct radeon_device *rdev = dev->dev_private; 1657 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1658 enum drm_connector_status ret = connector_status_disconnected; 1659 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1660 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1661 int r; 1662 1663 if (radeon_dig_connector->is_mst) 1664 return connector_status_disconnected; 1665 1666 if (!drm_kms_helper_is_poll_worker()) { 1667 r = pm_runtime_get_sync(connector->dev->dev); 1668 if (r < 0) { 1669 pm_runtime_put_autosuspend(connector->dev->dev); 1670 return connector_status_disconnected; 1671 } 1672 } 1673 1674 if (!force && radeon_check_hpd_status_unchanged(connector)) { 1675 ret = connector->status; 1676 goto out; 1677 } 1678 1679 radeon_connector_free_edid(connector); 1680 1681 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1682 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1683 if (encoder) { 1684 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 1685 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 1686 1687 /* check if panel is valid */ 1688 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240) 1689 ret = connector_status_connected; 1690 /* don't fetch the edid from the vbios if ddc fails and runpm is 1691 * enabled so we report disconnected. 1692 */ 1693 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0)) 1694 ret = connector_status_disconnected; 1695 } 1696 /* eDP is always DP */ 1697 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; 1698 if (!radeon_dig_connector->edp_on) 1699 atombios_set_edp_panel_power(connector, 1700 ATOM_TRANSMITTER_ACTION_POWER_ON); 1701 if (radeon_dp_getdpcd(radeon_connector)) 1702 ret = connector_status_connected; 1703 if (!radeon_dig_connector->edp_on) 1704 atombios_set_edp_panel_power(connector, 1705 ATOM_TRANSMITTER_ACTION_POWER_OFF); 1706 } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1707 ENCODER_OBJECT_ID_NONE) { 1708 /* DP bridges are always DP */ 1709 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; 1710 /* get the DPCD from the bridge */ 1711 radeon_dp_getdpcd(radeon_connector); 1712 1713 if (encoder) { 1714 /* setup ddc on the bridge */ 1715 radeon_atom_ext_encoder_setup_ddc(encoder); 1716 /* bridge chips are always aux */ 1717 if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */ 1718 ret = connector_status_connected; 1719 else if (radeon_connector->dac_load_detect) { /* try load detection */ 1720 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private; 1721 ret = encoder_funcs->detect(encoder, connector); 1722 } 1723 } 1724 } else { 1725 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector); 1726 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { 1727 ret = connector_status_connected; 1728 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) { 1729 radeon_dp_getdpcd(radeon_connector); 1730 r = radeon_dp_mst_probe(radeon_connector); 1731 if (r == 1) 1732 ret = connector_status_disconnected; 1733 } 1734 } else { 1735 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) { 1736 if (radeon_dp_getdpcd(radeon_connector)) { 1737 r = radeon_dp_mst_probe(radeon_connector); 1738 if (r == 1) 1739 ret = connector_status_disconnected; 1740 else 1741 ret = connector_status_connected; 1742 } 1743 } else { 1744 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */ 1745 if (radeon_ddc_probe(radeon_connector, false)) 1746 ret = connector_status_connected; 1747 } 1748 } 1749 } 1750 1751 radeon_connector_update_scratch_regs(connector, ret); 1752 1753 if ((radeon_audio != 0) && encoder) { 1754 radeon_connector_get_edid(connector); 1755 radeon_audio_detect(connector, encoder, ret); 1756 } 1757 1758 out: 1759 if (!drm_kms_helper_is_poll_worker()) { 1760 pm_runtime_mark_last_busy(connector->dev->dev); 1761 pm_runtime_put_autosuspend(connector->dev->dev); 1762 } 1763 1764 return ret; 1765 } 1766 1767 static enum drm_mode_status radeon_dp_mode_valid(struct drm_connector *connector, 1768 struct drm_display_mode *mode) 1769 { 1770 struct drm_device *dev = connector->dev; 1771 struct radeon_device *rdev = dev->dev_private; 1772 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1773 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1774 1775 /* XXX check mode bandwidth */ 1776 1777 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1778 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1779 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1780 1781 if ((mode->hdisplay < 320) || (mode->vdisplay < 240)) 1782 return MODE_PANEL; 1783 1784 if (encoder) { 1785 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 1786 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 1787 1788 /* AVIVO hardware supports downscaling modes larger than the panel 1789 * to the panel size, but I'm not sure this is desirable. 1790 */ 1791 if ((mode->hdisplay > native_mode->hdisplay) || 1792 (mode->vdisplay > native_mode->vdisplay)) 1793 return MODE_PANEL; 1794 1795 /* if scaling is disabled, block non-native modes */ 1796 if (radeon_encoder->rmx_type == RMX_OFF) { 1797 if ((mode->hdisplay != native_mode->hdisplay) || 1798 (mode->vdisplay != native_mode->vdisplay)) 1799 return MODE_PANEL; 1800 } 1801 } 1802 } else { 1803 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 1804 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) { 1805 return radeon_dp_mode_valid_helper(connector, mode); 1806 } else { 1807 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 1808 /* HDMI 1.3+ supports max clock of 340 Mhz */ 1809 if (mode->clock > 340000) 1810 return MODE_CLOCK_HIGH; 1811 } else { 1812 if (mode->clock > 165000) 1813 return MODE_CLOCK_HIGH; 1814 } 1815 } 1816 } 1817 1818 return MODE_OK; 1819 } 1820 1821 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = { 1822 .get_modes = radeon_dp_get_modes, 1823 .mode_valid = radeon_dp_mode_valid, 1824 .best_encoder = radeon_dvi_encoder, 1825 }; 1826 1827 static const struct drm_connector_funcs radeon_dp_connector_funcs = { 1828 .dpms = drm_helper_connector_dpms, 1829 .detect = radeon_dp_detect, 1830 .fill_modes = drm_helper_probe_single_connector_modes, 1831 .set_property = radeon_connector_set_property, 1832 .early_unregister = radeon_connector_unregister, 1833 .destroy = radeon_connector_destroy, 1834 .force = radeon_dvi_force, 1835 }; 1836 1837 static const struct drm_connector_funcs radeon_edp_connector_funcs = { 1838 .dpms = drm_helper_connector_dpms, 1839 .detect = radeon_dp_detect, 1840 .fill_modes = drm_helper_probe_single_connector_modes, 1841 .set_property = radeon_lvds_set_property, 1842 .early_unregister = radeon_connector_unregister, 1843 .destroy = radeon_connector_destroy, 1844 .force = radeon_dvi_force, 1845 }; 1846 1847 static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = { 1848 .dpms = drm_helper_connector_dpms, 1849 .detect = radeon_dp_detect, 1850 .fill_modes = drm_helper_probe_single_connector_modes, 1851 .set_property = radeon_lvds_set_property, 1852 .early_unregister = radeon_connector_unregister, 1853 .destroy = radeon_connector_destroy, 1854 .force = radeon_dvi_force, 1855 }; 1856 1857 void 1858 radeon_add_atom_connector(struct drm_device *dev, 1859 uint32_t connector_id, 1860 uint32_t supported_device, 1861 int connector_type, 1862 struct radeon_i2c_bus_rec *i2c_bus, 1863 uint32_t igp_lane_info, 1864 uint16_t connector_object_id, 1865 struct radeon_hpd *hpd, 1866 struct radeon_router *router) 1867 { 1868 struct radeon_device *rdev = dev->dev_private; 1869 struct drm_connector *connector; 1870 struct radeon_connector *radeon_connector; 1871 struct radeon_connector_atom_dig *radeon_dig_connector; 1872 struct drm_encoder *encoder; 1873 struct radeon_encoder *radeon_encoder; 1874 struct i2c_adapter *ddc = NULL; 1875 uint32_t subpixel_order = SubPixelNone; 1876 bool shared_ddc = false; 1877 bool is_dp_bridge = false; 1878 bool has_aux = false; 1879 1880 if (connector_type == DRM_MODE_CONNECTOR_Unknown) 1881 return; 1882 1883 /* if the user selected tv=0 don't try and add the connector */ 1884 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) || 1885 (connector_type == DRM_MODE_CONNECTOR_Composite) || 1886 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) && 1887 (radeon_tv == 0)) 1888 return; 1889 1890 /* see if we already added it */ 1891 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 1892 radeon_connector = to_radeon_connector(connector); 1893 if (radeon_connector->connector_id == connector_id) { 1894 radeon_connector->devices |= supported_device; 1895 return; 1896 } 1897 if (radeon_connector->ddc_bus && i2c_bus->valid) { 1898 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) { 1899 radeon_connector->shared_ddc = true; 1900 shared_ddc = true; 1901 } 1902 if (radeon_connector->router_bus && router->ddc_valid && 1903 (radeon_connector->router.router_id == router->router_id)) { 1904 radeon_connector->shared_ddc = false; 1905 shared_ddc = false; 1906 } 1907 } 1908 } 1909 1910 /* check if it's a dp bridge */ 1911 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 1912 radeon_encoder = to_radeon_encoder(encoder); 1913 if (radeon_encoder->devices & supported_device) { 1914 switch (radeon_encoder->encoder_id) { 1915 case ENCODER_OBJECT_ID_TRAVIS: 1916 case ENCODER_OBJECT_ID_NUTMEG: 1917 is_dp_bridge = true; 1918 break; 1919 default: 1920 break; 1921 } 1922 } 1923 } 1924 1925 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL); 1926 if (!radeon_connector) 1927 return; 1928 1929 connector = &radeon_connector->base; 1930 1931 radeon_connector->connector_id = connector_id; 1932 radeon_connector->devices = supported_device; 1933 radeon_connector->shared_ddc = shared_ddc; 1934 radeon_connector->connector_object_id = connector_object_id; 1935 radeon_connector->hpd = *hpd; 1936 1937 radeon_connector->router = *router; 1938 if (router->ddc_valid || router->cd_valid) { 1939 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info); 1940 if (!radeon_connector->router_bus) 1941 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n"); 1942 } 1943 1944 if (is_dp_bridge) { 1945 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1946 if (!radeon_dig_connector) 1947 goto failed; 1948 radeon_dig_connector->igp_lane_info = igp_lane_info; 1949 radeon_connector->con_priv = radeon_dig_connector; 1950 if (i2c_bus->valid) { 1951 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1952 if (radeon_connector->ddc_bus) { 1953 has_aux = true; 1954 ddc = &radeon_connector->ddc_bus->adapter; 1955 } else { 1956 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1957 } 1958 } 1959 switch (connector_type) { 1960 case DRM_MODE_CONNECTOR_VGA: 1961 case DRM_MODE_CONNECTOR_DVIA: 1962 default: 1963 drm_connector_init_with_ddc(dev, &radeon_connector->base, 1964 &radeon_dp_connector_funcs, 1965 connector_type, 1966 ddc); 1967 drm_connector_helper_add(&radeon_connector->base, 1968 &radeon_dp_connector_helper_funcs); 1969 connector->interlace_allowed = true; 1970 connector->doublescan_allowed = true; 1971 radeon_connector->dac_load_detect = true; 1972 drm_object_attach_property(&radeon_connector->base.base, 1973 rdev->mode_info.load_detect_property, 1974 1); 1975 drm_object_attach_property(&radeon_connector->base.base, 1976 dev->mode_config.scaling_mode_property, 1977 DRM_MODE_SCALE_NONE); 1978 if (ASIC_IS_DCE5(rdev)) 1979 drm_object_attach_property(&radeon_connector->base.base, 1980 rdev->mode_info.output_csc_property, 1981 RADEON_OUTPUT_CSC_BYPASS); 1982 break; 1983 case DRM_MODE_CONNECTOR_DVII: 1984 case DRM_MODE_CONNECTOR_DVID: 1985 case DRM_MODE_CONNECTOR_HDMIA: 1986 case DRM_MODE_CONNECTOR_HDMIB: 1987 case DRM_MODE_CONNECTOR_DisplayPort: 1988 drm_connector_init_with_ddc(dev, &radeon_connector->base, 1989 &radeon_dp_connector_funcs, 1990 connector_type, 1991 ddc); 1992 drm_connector_helper_add(&radeon_connector->base, 1993 &radeon_dp_connector_helper_funcs); 1994 drm_object_attach_property(&radeon_connector->base.base, 1995 rdev->mode_info.underscan_property, 1996 UNDERSCAN_OFF); 1997 drm_object_attach_property(&radeon_connector->base.base, 1998 rdev->mode_info.underscan_hborder_property, 1999 0); 2000 drm_object_attach_property(&radeon_connector->base.base, 2001 rdev->mode_info.underscan_vborder_property, 2002 0); 2003 2004 drm_object_attach_property(&radeon_connector->base.base, 2005 dev->mode_config.scaling_mode_property, 2006 DRM_MODE_SCALE_NONE); 2007 2008 drm_object_attach_property(&radeon_connector->base.base, 2009 rdev->mode_info.dither_property, 2010 RADEON_FMT_DITHER_DISABLE); 2011 2012 if (radeon_audio != 0) { 2013 drm_object_attach_property(&radeon_connector->base.base, 2014 rdev->mode_info.audio_property, 2015 RADEON_AUDIO_AUTO); 2016 radeon_connector->audio = RADEON_AUDIO_AUTO; 2017 } 2018 if (ASIC_IS_DCE5(rdev)) 2019 drm_object_attach_property(&radeon_connector->base.base, 2020 rdev->mode_info.output_csc_property, 2021 RADEON_OUTPUT_CSC_BYPASS); 2022 2023 subpixel_order = SubPixelHorizontalRGB; 2024 connector->interlace_allowed = true; 2025 if (connector_type == DRM_MODE_CONNECTOR_HDMIB) 2026 connector->doublescan_allowed = true; 2027 else 2028 connector->doublescan_allowed = false; 2029 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 2030 radeon_connector->dac_load_detect = true; 2031 drm_object_attach_property(&radeon_connector->base.base, 2032 rdev->mode_info.load_detect_property, 2033 1); 2034 } 2035 break; 2036 case DRM_MODE_CONNECTOR_LVDS: 2037 case DRM_MODE_CONNECTOR_eDP: 2038 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2039 &radeon_lvds_bridge_connector_funcs, 2040 connector_type, 2041 ddc); 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 if (i2c_bus->valid) { 2056 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2057 if (!radeon_connector->ddc_bus) 2058 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2059 else 2060 ddc = &radeon_connector->ddc_bus->adapter; 2061 } 2062 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2063 &radeon_vga_connector_funcs, 2064 connector_type, 2065 ddc); 2066 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2067 radeon_connector->dac_load_detect = true; 2068 drm_object_attach_property(&radeon_connector->base.base, 2069 rdev->mode_info.load_detect_property, 2070 1); 2071 if (ASIC_IS_AVIVO(rdev)) 2072 drm_object_attach_property(&radeon_connector->base.base, 2073 dev->mode_config.scaling_mode_property, 2074 DRM_MODE_SCALE_NONE); 2075 if (ASIC_IS_DCE5(rdev)) 2076 drm_object_attach_property(&radeon_connector->base.base, 2077 rdev->mode_info.output_csc_property, 2078 RADEON_OUTPUT_CSC_BYPASS); 2079 /* no HPD on analog connectors */ 2080 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2081 connector->interlace_allowed = true; 2082 connector->doublescan_allowed = true; 2083 break; 2084 case DRM_MODE_CONNECTOR_DVIA: 2085 if (i2c_bus->valid) { 2086 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2087 if (!radeon_connector->ddc_bus) 2088 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2089 else 2090 ddc = &radeon_connector->ddc_bus->adapter; 2091 } 2092 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2093 &radeon_vga_connector_funcs, 2094 connector_type, 2095 ddc); 2096 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2097 radeon_connector->dac_load_detect = true; 2098 drm_object_attach_property(&radeon_connector->base.base, 2099 rdev->mode_info.load_detect_property, 2100 1); 2101 if (ASIC_IS_AVIVO(rdev)) 2102 drm_object_attach_property(&radeon_connector->base.base, 2103 dev->mode_config.scaling_mode_property, 2104 DRM_MODE_SCALE_NONE); 2105 if (ASIC_IS_DCE5(rdev)) 2106 drm_object_attach_property(&radeon_connector->base.base, 2107 rdev->mode_info.output_csc_property, 2108 RADEON_OUTPUT_CSC_BYPASS); 2109 /* no HPD on analog connectors */ 2110 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2111 connector->interlace_allowed = true; 2112 connector->doublescan_allowed = true; 2113 break; 2114 case DRM_MODE_CONNECTOR_DVII: 2115 case DRM_MODE_CONNECTOR_DVID: 2116 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2117 if (!radeon_dig_connector) 2118 goto failed; 2119 radeon_dig_connector->igp_lane_info = igp_lane_info; 2120 radeon_connector->con_priv = radeon_dig_connector; 2121 if (i2c_bus->valid) { 2122 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2123 if (!radeon_connector->ddc_bus) 2124 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2125 else 2126 ddc = &radeon_connector->ddc_bus->adapter; 2127 } 2128 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2129 &radeon_dvi_connector_funcs, 2130 connector_type, 2131 ddc); 2132 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 2133 subpixel_order = SubPixelHorizontalRGB; 2134 drm_object_attach_property(&radeon_connector->base.base, 2135 rdev->mode_info.coherent_mode_property, 2136 1); 2137 if (ASIC_IS_AVIVO(rdev)) { 2138 drm_object_attach_property(&radeon_connector->base.base, 2139 rdev->mode_info.underscan_property, 2140 UNDERSCAN_OFF); 2141 drm_object_attach_property(&radeon_connector->base.base, 2142 rdev->mode_info.underscan_hborder_property, 2143 0); 2144 drm_object_attach_property(&radeon_connector->base.base, 2145 rdev->mode_info.underscan_vborder_property, 2146 0); 2147 drm_object_attach_property(&radeon_connector->base.base, 2148 rdev->mode_info.dither_property, 2149 RADEON_FMT_DITHER_DISABLE); 2150 drm_object_attach_property(&radeon_connector->base.base, 2151 dev->mode_config.scaling_mode_property, 2152 DRM_MODE_SCALE_NONE); 2153 } 2154 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) { 2155 drm_object_attach_property(&radeon_connector->base.base, 2156 rdev->mode_info.audio_property, 2157 RADEON_AUDIO_AUTO); 2158 radeon_connector->audio = RADEON_AUDIO_AUTO; 2159 } 2160 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 2161 radeon_connector->dac_load_detect = true; 2162 drm_object_attach_property(&radeon_connector->base.base, 2163 rdev->mode_info.load_detect_property, 2164 1); 2165 } 2166 if (ASIC_IS_DCE5(rdev)) 2167 drm_object_attach_property(&radeon_connector->base.base, 2168 rdev->mode_info.output_csc_property, 2169 RADEON_OUTPUT_CSC_BYPASS); 2170 connector->interlace_allowed = true; 2171 if (connector_type == DRM_MODE_CONNECTOR_DVII) 2172 connector->doublescan_allowed = true; 2173 else 2174 connector->doublescan_allowed = false; 2175 break; 2176 case DRM_MODE_CONNECTOR_HDMIA: 2177 case DRM_MODE_CONNECTOR_HDMIB: 2178 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2179 if (!radeon_dig_connector) 2180 goto failed; 2181 radeon_dig_connector->igp_lane_info = igp_lane_info; 2182 radeon_connector->con_priv = radeon_dig_connector; 2183 if (i2c_bus->valid) { 2184 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2185 if (!radeon_connector->ddc_bus) 2186 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2187 else 2188 ddc = &radeon_connector->ddc_bus->adapter; 2189 } 2190 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2191 &radeon_dvi_connector_funcs, 2192 connector_type, 2193 ddc); 2194 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 2195 drm_object_attach_property(&radeon_connector->base.base, 2196 rdev->mode_info.coherent_mode_property, 2197 1); 2198 if (ASIC_IS_AVIVO(rdev)) { 2199 drm_object_attach_property(&radeon_connector->base.base, 2200 rdev->mode_info.underscan_property, 2201 UNDERSCAN_OFF); 2202 drm_object_attach_property(&radeon_connector->base.base, 2203 rdev->mode_info.underscan_hborder_property, 2204 0); 2205 drm_object_attach_property(&radeon_connector->base.base, 2206 rdev->mode_info.underscan_vborder_property, 2207 0); 2208 drm_object_attach_property(&radeon_connector->base.base, 2209 rdev->mode_info.dither_property, 2210 RADEON_FMT_DITHER_DISABLE); 2211 drm_object_attach_property(&radeon_connector->base.base, 2212 dev->mode_config.scaling_mode_property, 2213 DRM_MODE_SCALE_NONE); 2214 } 2215 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) { 2216 drm_object_attach_property(&radeon_connector->base.base, 2217 rdev->mode_info.audio_property, 2218 RADEON_AUDIO_AUTO); 2219 radeon_connector->audio = RADEON_AUDIO_AUTO; 2220 } 2221 if (ASIC_IS_DCE5(rdev)) 2222 drm_object_attach_property(&radeon_connector->base.base, 2223 rdev->mode_info.output_csc_property, 2224 RADEON_OUTPUT_CSC_BYPASS); 2225 subpixel_order = SubPixelHorizontalRGB; 2226 connector->interlace_allowed = true; 2227 if (connector_type == DRM_MODE_CONNECTOR_HDMIB) 2228 connector->doublescan_allowed = true; 2229 else 2230 connector->doublescan_allowed = false; 2231 break; 2232 case DRM_MODE_CONNECTOR_DisplayPort: 2233 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2234 if (!radeon_dig_connector) 2235 goto failed; 2236 radeon_dig_connector->igp_lane_info = igp_lane_info; 2237 radeon_connector->con_priv = radeon_dig_connector; 2238 if (i2c_bus->valid) { 2239 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2240 if (radeon_connector->ddc_bus) { 2241 has_aux = true; 2242 ddc = &radeon_connector->ddc_bus->adapter; 2243 } else { 2244 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2245 } 2246 } 2247 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2248 &radeon_dp_connector_funcs, 2249 connector_type, 2250 ddc); 2251 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); 2252 subpixel_order = SubPixelHorizontalRGB; 2253 drm_object_attach_property(&radeon_connector->base.base, 2254 rdev->mode_info.coherent_mode_property, 2255 1); 2256 if (ASIC_IS_AVIVO(rdev)) { 2257 drm_object_attach_property(&radeon_connector->base.base, 2258 rdev->mode_info.underscan_property, 2259 UNDERSCAN_OFF); 2260 drm_object_attach_property(&radeon_connector->base.base, 2261 rdev->mode_info.underscan_hborder_property, 2262 0); 2263 drm_object_attach_property(&radeon_connector->base.base, 2264 rdev->mode_info.underscan_vborder_property, 2265 0); 2266 drm_object_attach_property(&radeon_connector->base.base, 2267 rdev->mode_info.dither_property, 2268 RADEON_FMT_DITHER_DISABLE); 2269 drm_object_attach_property(&radeon_connector->base.base, 2270 dev->mode_config.scaling_mode_property, 2271 DRM_MODE_SCALE_NONE); 2272 } 2273 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) { 2274 drm_object_attach_property(&radeon_connector->base.base, 2275 rdev->mode_info.audio_property, 2276 RADEON_AUDIO_AUTO); 2277 radeon_connector->audio = RADEON_AUDIO_AUTO; 2278 } 2279 if (ASIC_IS_DCE5(rdev)) 2280 drm_object_attach_property(&radeon_connector->base.base, 2281 rdev->mode_info.output_csc_property, 2282 RADEON_OUTPUT_CSC_BYPASS); 2283 connector->interlace_allowed = true; 2284 /* in theory with a DP to VGA converter... */ 2285 connector->doublescan_allowed = false; 2286 break; 2287 case DRM_MODE_CONNECTOR_eDP: 2288 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2289 if (!radeon_dig_connector) 2290 goto failed; 2291 radeon_dig_connector->igp_lane_info = igp_lane_info; 2292 radeon_connector->con_priv = radeon_dig_connector; 2293 if (i2c_bus->valid) { 2294 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2295 if (radeon_connector->ddc_bus) { 2296 has_aux = true; 2297 ddc = &radeon_connector->ddc_bus->adapter; 2298 } else { 2299 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2300 } 2301 } 2302 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2303 &radeon_edp_connector_funcs, 2304 connector_type, 2305 ddc); 2306 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); 2307 drm_object_attach_property(&radeon_connector->base.base, 2308 dev->mode_config.scaling_mode_property, 2309 DRM_MODE_SCALE_FULLSCREEN); 2310 subpixel_order = SubPixelHorizontalRGB; 2311 connector->interlace_allowed = false; 2312 connector->doublescan_allowed = false; 2313 break; 2314 case DRM_MODE_CONNECTOR_SVIDEO: 2315 case DRM_MODE_CONNECTOR_Composite: 2316 case DRM_MODE_CONNECTOR_9PinDIN: 2317 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2318 &radeon_tv_connector_funcs, 2319 connector_type, 2320 ddc); 2321 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs); 2322 radeon_connector->dac_load_detect = true; 2323 drm_object_attach_property(&radeon_connector->base.base, 2324 rdev->mode_info.load_detect_property, 2325 1); 2326 drm_object_attach_property(&radeon_connector->base.base, 2327 rdev->mode_info.tv_std_property, 2328 radeon_atombios_get_tv_info(rdev)); 2329 /* no HPD on analog connectors */ 2330 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2331 connector->interlace_allowed = false; 2332 connector->doublescan_allowed = false; 2333 break; 2334 case DRM_MODE_CONNECTOR_LVDS: 2335 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2336 if (!radeon_dig_connector) 2337 goto failed; 2338 radeon_dig_connector->igp_lane_info = igp_lane_info; 2339 radeon_connector->con_priv = radeon_dig_connector; 2340 if (i2c_bus->valid) { 2341 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2342 if (!radeon_connector->ddc_bus) 2343 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2344 else 2345 ddc = &radeon_connector->ddc_bus->adapter; 2346 } 2347 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2348 &radeon_lvds_connector_funcs, 2349 connector_type, 2350 ddc); 2351 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs); 2352 drm_object_attach_property(&radeon_connector->base.base, 2353 dev->mode_config.scaling_mode_property, 2354 DRM_MODE_SCALE_FULLSCREEN); 2355 subpixel_order = SubPixelHorizontalRGB; 2356 connector->interlace_allowed = false; 2357 connector->doublescan_allowed = false; 2358 break; 2359 } 2360 } 2361 2362 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) { 2363 if (i2c_bus->valid) { 2364 connector->polled = DRM_CONNECTOR_POLL_CONNECT | 2365 DRM_CONNECTOR_POLL_DISCONNECT; 2366 } 2367 } else 2368 connector->polled = DRM_CONNECTOR_POLL_HPD; 2369 2370 connector->display_info.subpixel_order = subpixel_order; 2371 drm_connector_register(connector); 2372 2373 if (has_aux) 2374 radeon_dp_aux_init(radeon_connector); 2375 2376 return; 2377 2378 failed: 2379 drm_connector_cleanup(connector); 2380 kfree(connector); 2381 } 2382 2383 void 2384 radeon_add_legacy_connector(struct drm_device *dev, 2385 uint32_t connector_id, 2386 uint32_t supported_device, 2387 int connector_type, 2388 struct radeon_i2c_bus_rec *i2c_bus, 2389 uint16_t connector_object_id, 2390 struct radeon_hpd *hpd) 2391 { 2392 struct radeon_device *rdev = dev->dev_private; 2393 struct drm_connector *connector; 2394 struct radeon_connector *radeon_connector; 2395 struct i2c_adapter *ddc = NULL; 2396 uint32_t subpixel_order = SubPixelNone; 2397 2398 if (connector_type == DRM_MODE_CONNECTOR_Unknown) 2399 return; 2400 2401 /* if the user selected tv=0 don't try and add the connector */ 2402 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) || 2403 (connector_type == DRM_MODE_CONNECTOR_Composite) || 2404 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) && 2405 (radeon_tv == 0)) 2406 return; 2407 2408 /* see if we already added it */ 2409 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 2410 radeon_connector = to_radeon_connector(connector); 2411 if (radeon_connector->connector_id == connector_id) { 2412 radeon_connector->devices |= supported_device; 2413 return; 2414 } 2415 } 2416 2417 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL); 2418 if (!radeon_connector) 2419 return; 2420 2421 connector = &radeon_connector->base; 2422 2423 radeon_connector->connector_id = connector_id; 2424 radeon_connector->devices = supported_device; 2425 radeon_connector->connector_object_id = connector_object_id; 2426 radeon_connector->hpd = *hpd; 2427 2428 switch (connector_type) { 2429 case DRM_MODE_CONNECTOR_VGA: 2430 if (i2c_bus->valid) { 2431 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2432 if (!radeon_connector->ddc_bus) 2433 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2434 else 2435 ddc = &radeon_connector->ddc_bus->adapter; 2436 } 2437 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2438 &radeon_vga_connector_funcs, 2439 connector_type, 2440 ddc); 2441 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2442 radeon_connector->dac_load_detect = true; 2443 drm_object_attach_property(&radeon_connector->base.base, 2444 rdev->mode_info.load_detect_property, 2445 1); 2446 /* no HPD on analog connectors */ 2447 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2448 connector->interlace_allowed = true; 2449 connector->doublescan_allowed = true; 2450 break; 2451 case DRM_MODE_CONNECTOR_DVIA: 2452 if (i2c_bus->valid) { 2453 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2454 if (!radeon_connector->ddc_bus) 2455 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2456 else 2457 ddc = &radeon_connector->ddc_bus->adapter; 2458 } 2459 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2460 &radeon_vga_connector_funcs, 2461 connector_type, 2462 ddc); 2463 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2464 radeon_connector->dac_load_detect = true; 2465 drm_object_attach_property(&radeon_connector->base.base, 2466 rdev->mode_info.load_detect_property, 2467 1); 2468 /* no HPD on analog connectors */ 2469 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2470 connector->interlace_allowed = true; 2471 connector->doublescan_allowed = true; 2472 break; 2473 case DRM_MODE_CONNECTOR_DVII: 2474 case DRM_MODE_CONNECTOR_DVID: 2475 if (i2c_bus->valid) { 2476 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2477 if (!radeon_connector->ddc_bus) 2478 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2479 else 2480 ddc = &radeon_connector->ddc_bus->adapter; 2481 } 2482 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2483 &radeon_dvi_connector_funcs, 2484 connector_type, 2485 ddc); 2486 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 2487 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 2488 radeon_connector->dac_load_detect = true; 2489 drm_object_attach_property(&radeon_connector->base.base, 2490 rdev->mode_info.load_detect_property, 2491 1); 2492 } 2493 subpixel_order = SubPixelHorizontalRGB; 2494 connector->interlace_allowed = true; 2495 if (connector_type == DRM_MODE_CONNECTOR_DVII) 2496 connector->doublescan_allowed = true; 2497 else 2498 connector->doublescan_allowed = false; 2499 break; 2500 case DRM_MODE_CONNECTOR_SVIDEO: 2501 case DRM_MODE_CONNECTOR_Composite: 2502 case DRM_MODE_CONNECTOR_9PinDIN: 2503 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2504 &radeon_tv_connector_funcs, 2505 connector_type, 2506 ddc); 2507 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs); 2508 radeon_connector->dac_load_detect = true; 2509 /* RS400,RC410,RS480 chipset seems to report a lot 2510 * of false positive on load detect, we haven't yet 2511 * found a way to make load detect reliable on those 2512 * chipset, thus just disable it for TV. 2513 */ 2514 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480) 2515 radeon_connector->dac_load_detect = false; 2516 drm_object_attach_property(&radeon_connector->base.base, 2517 rdev->mode_info.load_detect_property, 2518 radeon_connector->dac_load_detect); 2519 drm_object_attach_property(&radeon_connector->base.base, 2520 rdev->mode_info.tv_std_property, 2521 radeon_combios_get_tv_info(rdev)); 2522 /* no HPD on analog connectors */ 2523 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2524 connector->interlace_allowed = false; 2525 connector->doublescan_allowed = false; 2526 break; 2527 case DRM_MODE_CONNECTOR_LVDS: 2528 if (i2c_bus->valid) { 2529 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2530 if (!radeon_connector->ddc_bus) 2531 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2532 else 2533 ddc = &radeon_connector->ddc_bus->adapter; 2534 } 2535 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2536 &radeon_lvds_connector_funcs, 2537 connector_type, 2538 ddc); 2539 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs); 2540 drm_object_attach_property(&radeon_connector->base.base, 2541 dev->mode_config.scaling_mode_property, 2542 DRM_MODE_SCALE_FULLSCREEN); 2543 subpixel_order = SubPixelHorizontalRGB; 2544 connector->interlace_allowed = false; 2545 connector->doublescan_allowed = false; 2546 break; 2547 } 2548 2549 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) { 2550 if (i2c_bus->valid) { 2551 connector->polled = DRM_CONNECTOR_POLL_CONNECT | 2552 DRM_CONNECTOR_POLL_DISCONNECT; 2553 } 2554 } else 2555 connector->polled = DRM_CONNECTOR_POLL_HPD; 2556 2557 connector->display_info.subpixel_order = subpixel_order; 2558 drm_connector_register(connector); 2559 } 2560 2561 void radeon_setup_mst_connector(struct drm_device *dev) 2562 { 2563 struct radeon_device *rdev = dev->dev_private; 2564 struct drm_connector *connector; 2565 struct radeon_connector *radeon_connector; 2566 2567 if (!ASIC_IS_DCE5(rdev)) 2568 return; 2569 2570 if (radeon_mst == 0) 2571 return; 2572 2573 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 2574 radeon_connector = to_radeon_connector(connector); 2575 2576 if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort) 2577 continue; 2578 2579 radeon_dp_mst_init(radeon_connector); 2580 } 2581 } 2582