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 40static 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} 50void 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 110static 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 120int 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 243static void 244radeon_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 268static 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 280struct 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 295static 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 354static 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 364static 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 378static 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 389static 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 */ 416static enum drm_connector_status 417radeon_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 465static 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 if (!mode) 477 return NULL; 478 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; 479 drm_mode_set_name(mode); 480 481 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name); 482 } else if (native_mode->hdisplay != 0 && 483 native_mode->vdisplay != 0) { 484 /* mac laptops without an edid */ 485 /* Note that this is not necessarily the exact panel mode, 486 * but an approximation based on the cvt formula. For these 487 * systems we should ideally read the mode info out of the 488 * registers or add a mode table, but this works and is much 489 * simpler. 490 */ 491 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false); 492 if (!mode) 493 return NULL; 494 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; 495 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name); 496 } 497 return mode; 498} 499 500static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector) 501{ 502 struct drm_device *dev = encoder->dev; 503 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 504 struct drm_display_mode *mode = NULL; 505 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 506 int i; 507 struct mode_size { 508 int w; 509 int h; 510 } common_modes[17] = { 511 { 640, 480}, 512 { 720, 480}, 513 { 800, 600}, 514 { 848, 480}, 515 {1024, 768}, 516 {1152, 768}, 517 {1280, 720}, 518 {1280, 800}, 519 {1280, 854}, 520 {1280, 960}, 521 {1280, 1024}, 522 {1440, 900}, 523 {1400, 1050}, 524 {1680, 1050}, 525 {1600, 1200}, 526 {1920, 1080}, 527 {1920, 1200} 528 }; 529 530 for (i = 0; i < 17; i++) { 531 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) { 532 if (common_modes[i].w > 1024 || 533 common_modes[i].h > 768) 534 continue; 535 } 536 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { 537 if (common_modes[i].w > native_mode->hdisplay || 538 common_modes[i].h > native_mode->vdisplay || 539 (common_modes[i].w == native_mode->hdisplay && 540 common_modes[i].h == native_mode->vdisplay)) 541 continue; 542 } 543 if (common_modes[i].w < 320 || common_modes[i].h < 200) 544 continue; 545 546 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false); 547 drm_mode_probed_add(connector, mode); 548 } 549} 550 551static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property, 552 uint64_t val) 553{ 554 struct drm_device *dev = connector->dev; 555 struct radeon_device *rdev = dev->dev_private; 556 struct drm_encoder *encoder; 557 struct radeon_encoder *radeon_encoder; 558 559 if (property == rdev->mode_info.coherent_mode_property) { 560 struct radeon_encoder_atom_dig *dig; 561 bool new_coherent_mode; 562 563 /* need to find digital encoder on connector */ 564 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 565 if (!encoder) 566 return 0; 567 568 radeon_encoder = to_radeon_encoder(encoder); 569 570 if (!radeon_encoder->enc_priv) 571 return 0; 572 573 dig = radeon_encoder->enc_priv; 574 new_coherent_mode = val ? true : false; 575 if (dig->coherent_mode != new_coherent_mode) { 576 dig->coherent_mode = new_coherent_mode; 577 radeon_property_change_mode(&radeon_encoder->base); 578 } 579 } 580 581 if (property == rdev->mode_info.audio_property) { 582 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 583 /* need to find digital encoder on connector */ 584 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 585 if (!encoder) 586 return 0; 587 588 radeon_encoder = to_radeon_encoder(encoder); 589 590 if (radeon_connector->audio != val) { 591 radeon_connector->audio = val; 592 radeon_property_change_mode(&radeon_encoder->base); 593 } 594 } 595 596 if (property == rdev->mode_info.dither_property) { 597 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 598 /* need to find digital encoder on connector */ 599 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 600 if (!encoder) 601 return 0; 602 603 radeon_encoder = to_radeon_encoder(encoder); 604 605 if (radeon_connector->dither != val) { 606 radeon_connector->dither = val; 607 radeon_property_change_mode(&radeon_encoder->base); 608 } 609 } 610 611 if (property == rdev->mode_info.underscan_property) { 612 /* need to find digital encoder on connector */ 613 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 614 if (!encoder) 615 return 0; 616 617 radeon_encoder = to_radeon_encoder(encoder); 618 619 if (radeon_encoder->underscan_type != val) { 620 radeon_encoder->underscan_type = val; 621 radeon_property_change_mode(&radeon_encoder->base); 622 } 623 } 624 625 if (property == rdev->mode_info.underscan_hborder_property) { 626 /* need to find digital encoder on connector */ 627 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 628 if (!encoder) 629 return 0; 630 631 radeon_encoder = to_radeon_encoder(encoder); 632 633 if (radeon_encoder->underscan_hborder != val) { 634 radeon_encoder->underscan_hborder = val; 635 radeon_property_change_mode(&radeon_encoder->base); 636 } 637 } 638 639 if (property == rdev->mode_info.underscan_vborder_property) { 640 /* need to find digital encoder on connector */ 641 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 642 if (!encoder) 643 return 0; 644 645 radeon_encoder = to_radeon_encoder(encoder); 646 647 if (radeon_encoder->underscan_vborder != val) { 648 radeon_encoder->underscan_vborder = val; 649 radeon_property_change_mode(&radeon_encoder->base); 650 } 651 } 652 653 if (property == rdev->mode_info.tv_std_property) { 654 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC); 655 if (!encoder) { 656 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC); 657 } 658 659 if (!encoder) 660 return 0; 661 662 radeon_encoder = to_radeon_encoder(encoder); 663 if (!radeon_encoder->enc_priv) 664 return 0; 665 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) { 666 struct radeon_encoder_atom_dac *dac_int; 667 dac_int = radeon_encoder->enc_priv; 668 dac_int->tv_std = val; 669 } else { 670 struct radeon_encoder_tv_dac *dac_int; 671 dac_int = radeon_encoder->enc_priv; 672 dac_int->tv_std = val; 673 } 674 radeon_property_change_mode(&radeon_encoder->base); 675 } 676 677 if (property == rdev->mode_info.load_detect_property) { 678 struct radeon_connector *radeon_connector = 679 to_radeon_connector(connector); 680 681 if (val == 0) 682 radeon_connector->dac_load_detect = false; 683 else 684 radeon_connector->dac_load_detect = true; 685 } 686 687 if (property == rdev->mode_info.tmds_pll_property) { 688 struct radeon_encoder_int_tmds *tmds = NULL; 689 bool ret = false; 690 /* need to find digital encoder on connector */ 691 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 692 if (!encoder) 693 return 0; 694 695 radeon_encoder = to_radeon_encoder(encoder); 696 697 tmds = radeon_encoder->enc_priv; 698 if (!tmds) 699 return 0; 700 701 if (val == 0) { 702 if (rdev->is_atom_bios) 703 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds); 704 else 705 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds); 706 } 707 if (val == 1 || !ret) 708 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds); 709 710 radeon_property_change_mode(&radeon_encoder->base); 711 } 712 713 if (property == dev->mode_config.scaling_mode_property) { 714 enum radeon_rmx_type rmx_type; 715 716 if (connector->encoder) 717 radeon_encoder = to_radeon_encoder(connector->encoder); 718 else { 719 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 720 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); 721 } 722 723 switch (val) { 724 default: 725 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break; 726 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break; 727 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break; 728 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break; 729 } 730 if (radeon_encoder->rmx_type == rmx_type) 731 return 0; 732 733 if ((rmx_type != DRM_MODE_SCALE_NONE) && 734 (radeon_encoder->native_mode.clock == 0)) 735 return 0; 736 737 radeon_encoder->rmx_type = rmx_type; 738 739 radeon_property_change_mode(&radeon_encoder->base); 740 } 741 742 if (property == rdev->mode_info.output_csc_property) { 743 if (connector->encoder) 744 radeon_encoder = to_radeon_encoder(connector->encoder); 745 else { 746 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 747 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); 748 } 749 750 if (radeon_encoder->output_csc == val) 751 return 0; 752 753 radeon_encoder->output_csc = val; 754 755 if (connector->encoder && connector->encoder->crtc) { 756 struct drm_crtc *crtc = connector->encoder->crtc; 757 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 758 759 radeon_crtc->output_csc = radeon_encoder->output_csc; 760 761 /* 762 * Our .gamma_set assumes the .gamma_store has been 763 * prefilled and don't care about its arguments. 764 */ 765 crtc->funcs->gamma_set(crtc, NULL, NULL, NULL, 0, NULL); 766 } 767 } 768 769 return 0; 770} 771 772static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder, 773 struct drm_connector *connector) 774{ 775 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 776 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 777 struct drm_display_mode *t, *mode; 778 779 /* If the EDID preferred mode doesn't match the native mode, use it */ 780 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) { 781 if (mode->type & DRM_MODE_TYPE_PREFERRED) { 782 if (mode->hdisplay != native_mode->hdisplay || 783 mode->vdisplay != native_mode->vdisplay) 784 memcpy(native_mode, mode, sizeof(*mode)); 785 } 786 } 787 788 /* Try to get native mode details from EDID if necessary */ 789 if (!native_mode->clock) { 790 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) { 791 if (mode->hdisplay == native_mode->hdisplay && 792 mode->vdisplay == native_mode->vdisplay) { 793 *native_mode = *mode; 794 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V); 795 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n"); 796 break; 797 } 798 } 799 } 800 801 if (!native_mode->clock) { 802 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n"); 803 radeon_encoder->rmx_type = RMX_OFF; 804 } 805} 806 807static int radeon_lvds_get_modes(struct drm_connector *connector) 808{ 809 struct drm_encoder *encoder; 810 int ret = 0; 811 struct drm_display_mode *mode; 812 813 radeon_connector_get_edid(connector); 814 ret = radeon_ddc_get_modes(connector); 815 if (ret > 0) { 816 encoder = radeon_best_single_encoder(connector); 817 if (encoder) { 818 radeon_fixup_lvds_native_mode(encoder, connector); 819 /* add scaled modes */ 820 radeon_add_common_modes(encoder, connector); 821 } 822 return ret; 823 } 824 825 encoder = radeon_best_single_encoder(connector); 826 if (!encoder) 827 return 0; 828 829 /* we have no EDID modes */ 830 mode = radeon_fp_native_mode(encoder); 831 if (mode) { 832 ret = 1; 833 drm_mode_probed_add(connector, mode); 834 /* add the width/height from vbios tables if available */ 835 connector->display_info.width_mm = mode->width_mm; 836 connector->display_info.height_mm = mode->height_mm; 837 /* add scaled modes */ 838 radeon_add_common_modes(encoder, connector); 839 } 840 841 return ret; 842} 843 844static enum drm_mode_status radeon_lvds_mode_valid(struct drm_connector *connector, 845 struct drm_display_mode *mode) 846{ 847 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 848 849 if ((mode->hdisplay < 320) || (mode->vdisplay < 240)) 850 return MODE_PANEL; 851 852 if (encoder) { 853 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 854 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 855 856 /* AVIVO hardware supports downscaling modes larger than the panel 857 * to the panel size, but I'm not sure this is desirable. 858 */ 859 if ((mode->hdisplay > native_mode->hdisplay) || 860 (mode->vdisplay > native_mode->vdisplay)) 861 return MODE_PANEL; 862 863 /* if scaling is disabled, block non-native modes */ 864 if (radeon_encoder->rmx_type == RMX_OFF) { 865 if ((mode->hdisplay != native_mode->hdisplay) || 866 (mode->vdisplay != native_mode->vdisplay)) 867 return MODE_PANEL; 868 } 869 } 870 871 return MODE_OK; 872} 873 874static enum drm_connector_status 875radeon_lvds_detect(struct drm_connector *connector, bool force) 876{ 877 struct drm_device *dev = connector->dev; 878 struct radeon_device *rdev = dev->dev_private; 879 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 880 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 881 enum drm_connector_status ret = connector_status_disconnected; 882 int r; 883 884 if (!drm_kms_helper_is_poll_worker()) { 885 r = pm_runtime_get_sync(connector->dev->dev); 886 if (r < 0) { 887 pm_runtime_put_autosuspend(connector->dev->dev); 888 return connector_status_disconnected; 889 } 890 } 891 892 if (encoder) { 893 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 894 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 895 896 /* check if panel is valid */ 897 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240) 898 ret = connector_status_connected; 899 /* don't fetch the edid from the vbios if ddc fails and runpm is 900 * enabled so we report disconnected. 901 */ 902 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0)) 903 ret = connector_status_disconnected; 904 } 905 906 /* check for edid as well */ 907 radeon_connector_get_edid(connector); 908 if (radeon_connector->edid) 909 ret = connector_status_connected; 910 /* check acpi lid status ??? */ 911 912 radeon_connector_update_scratch_regs(connector, ret); 913 914 if (!drm_kms_helper_is_poll_worker()) { 915 pm_runtime_mark_last_busy(connector->dev->dev); 916 pm_runtime_put_autosuspend(connector->dev->dev); 917 } 918 919 return ret; 920} 921 922static void radeon_connector_unregister(struct drm_connector *connector) 923{ 924 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 925 926 if (radeon_connector->ddc_bus && radeon_connector->ddc_bus->has_aux) { 927 drm_dp_aux_unregister(&radeon_connector->ddc_bus->aux); 928 radeon_connector->ddc_bus->has_aux = false; 929 } 930} 931 932static void radeon_connector_destroy(struct drm_connector *connector) 933{ 934 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 935 936 radeon_connector_free_edid(connector); 937 kfree(radeon_connector->con_priv); 938 drm_connector_unregister(connector); 939 drm_connector_cleanup(connector); 940 kfree(connector); 941} 942 943static int radeon_lvds_set_property(struct drm_connector *connector, 944 struct drm_property *property, 945 uint64_t value) 946{ 947 struct drm_device *dev = connector->dev; 948 struct radeon_encoder *radeon_encoder; 949 enum radeon_rmx_type rmx_type; 950 951 DRM_DEBUG_KMS("\n"); 952 if (property != dev->mode_config.scaling_mode_property) 953 return 0; 954 955 if (connector->encoder) 956 radeon_encoder = to_radeon_encoder(connector->encoder); 957 else { 958 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 959 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); 960 } 961 962 switch (value) { 963 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break; 964 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break; 965 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break; 966 default: 967 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break; 968 } 969 if (radeon_encoder->rmx_type == rmx_type) 970 return 0; 971 972 radeon_encoder->rmx_type = rmx_type; 973 974 radeon_property_change_mode(&radeon_encoder->base); 975 return 0; 976} 977 978 979static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = { 980 .get_modes = radeon_lvds_get_modes, 981 .mode_valid = radeon_lvds_mode_valid, 982 .best_encoder = radeon_best_single_encoder, 983}; 984 985static const struct drm_connector_funcs radeon_lvds_connector_funcs = { 986 .dpms = drm_helper_connector_dpms, 987 .detect = radeon_lvds_detect, 988 .fill_modes = drm_helper_probe_single_connector_modes, 989 .early_unregister = radeon_connector_unregister, 990 .destroy = radeon_connector_destroy, 991 .set_property = radeon_lvds_set_property, 992}; 993 994static int radeon_vga_get_modes(struct drm_connector *connector) 995{ 996 int ret; 997 998 radeon_connector_get_edid(connector); 999 ret = radeon_ddc_get_modes(connector); 1000 1001 radeon_get_native_mode(connector); 1002 1003 return ret; 1004} 1005 1006static enum drm_mode_status radeon_vga_mode_valid(struct drm_connector *connector, 1007 struct drm_display_mode *mode) 1008{ 1009 struct drm_device *dev = connector->dev; 1010 struct radeon_device *rdev = dev->dev_private; 1011 1012 /* XXX check mode bandwidth */ 1013 1014 if ((mode->clock / 10) > rdev->clock.max_pixel_clock) 1015 return MODE_CLOCK_HIGH; 1016 1017 return MODE_OK; 1018} 1019 1020static enum drm_connector_status 1021radeon_vga_detect(struct drm_connector *connector, bool force) 1022{ 1023 struct drm_device *dev = connector->dev; 1024 struct radeon_device *rdev = dev->dev_private; 1025 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1026 struct drm_encoder *encoder; 1027 const struct drm_encoder_helper_funcs *encoder_funcs; 1028 bool dret = false; 1029 enum drm_connector_status ret = connector_status_disconnected; 1030 int r; 1031 1032 if (!drm_kms_helper_is_poll_worker()) { 1033 r = pm_runtime_get_sync(connector->dev->dev); 1034 if (r < 0) { 1035 pm_runtime_put_autosuspend(connector->dev->dev); 1036 return connector_status_disconnected; 1037 } 1038 } 1039 1040 encoder = radeon_best_single_encoder(connector); 1041 if (!encoder) 1042 ret = connector_status_disconnected; 1043 1044 if (radeon_connector->ddc_bus) 1045 dret = radeon_ddc_probe(radeon_connector, false); 1046 if (dret) { 1047 radeon_connector->detected_by_load = false; 1048 radeon_connector_free_edid(connector); 1049 radeon_connector_get_edid(connector); 1050 1051 if (!radeon_connector->edid) { 1052 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n", 1053 connector->name); 1054 ret = connector_status_connected; 1055 } else { 1056 radeon_connector->use_digital = 1057 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL); 1058 1059 /* some oems have boards with separate digital and analog connectors 1060 * with a shared ddc line (often vga + hdmi) 1061 */ 1062 if (radeon_connector->use_digital && radeon_connector->shared_ddc) { 1063 radeon_connector_free_edid(connector); 1064 ret = connector_status_disconnected; 1065 } else { 1066 ret = connector_status_connected; 1067 } 1068 } 1069 } else { 1070 1071 /* if we aren't forcing don't do destructive polling */ 1072 if (!force) { 1073 /* only return the previous status if we last 1074 * detected a monitor via load. 1075 */ 1076 if (radeon_connector->detected_by_load) 1077 ret = connector->status; 1078 goto out; 1079 } 1080 1081 if (radeon_connector->dac_load_detect && encoder) { 1082 encoder_funcs = encoder->helper_private; 1083 ret = encoder_funcs->detect(encoder, connector); 1084 if (ret != connector_status_disconnected) 1085 radeon_connector->detected_by_load = true; 1086 } 1087 } 1088 1089 if (ret == connector_status_connected) 1090 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true); 1091 1092 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the 1093 * vbios to deal with KVMs. If we have one and are not able to detect a monitor 1094 * by other means, assume the CRT is connected and use that EDID. 1095 */ 1096 if ((!rdev->is_atom_bios) && 1097 (ret == connector_status_disconnected) && 1098 rdev->mode_info.bios_hardcoded_edid_size) { 1099 ret = connector_status_connected; 1100 } 1101 1102 radeon_connector_update_scratch_regs(connector, ret); 1103 1104out: 1105 if (!drm_kms_helper_is_poll_worker()) { 1106 pm_runtime_mark_last_busy(connector->dev->dev); 1107 pm_runtime_put_autosuspend(connector->dev->dev); 1108 } 1109 1110 return ret; 1111} 1112 1113static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = { 1114 .get_modes = radeon_vga_get_modes, 1115 .mode_valid = radeon_vga_mode_valid, 1116 .best_encoder = radeon_best_single_encoder, 1117}; 1118 1119static const struct drm_connector_funcs radeon_vga_connector_funcs = { 1120 .dpms = drm_helper_connector_dpms, 1121 .detect = radeon_vga_detect, 1122 .fill_modes = drm_helper_probe_single_connector_modes, 1123 .early_unregister = radeon_connector_unregister, 1124 .destroy = radeon_connector_destroy, 1125 .set_property = radeon_connector_set_property, 1126}; 1127 1128static int radeon_tv_get_modes(struct drm_connector *connector) 1129{ 1130 struct drm_device *dev = connector->dev; 1131 struct radeon_device *rdev = dev->dev_private; 1132 struct drm_display_mode *tv_mode; 1133 struct drm_encoder *encoder; 1134 1135 encoder = radeon_best_single_encoder(connector); 1136 if (!encoder) 1137 return 0; 1138 1139 /* avivo chips can scale any mode */ 1140 if (rdev->family >= CHIP_RS600) 1141 /* add scaled modes */ 1142 radeon_add_common_modes(encoder, connector); 1143 else { 1144 /* only 800x600 is supported right now on pre-avivo chips */ 1145 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false); 1146 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; 1147 drm_mode_probed_add(connector, tv_mode); 1148 } 1149 return 1; 1150} 1151 1152static enum drm_mode_status radeon_tv_mode_valid(struct drm_connector *connector, 1153 struct drm_display_mode *mode) 1154{ 1155 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768)) 1156 return MODE_CLOCK_RANGE; 1157 return MODE_OK; 1158} 1159 1160static enum drm_connector_status 1161radeon_tv_detect(struct drm_connector *connector, bool force) 1162{ 1163 struct drm_encoder *encoder; 1164 const struct drm_encoder_helper_funcs *encoder_funcs; 1165 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1166 enum drm_connector_status ret = connector_status_disconnected; 1167 int r; 1168 1169 if (!radeon_connector->dac_load_detect) 1170 return ret; 1171 1172 if (!drm_kms_helper_is_poll_worker()) { 1173 r = pm_runtime_get_sync(connector->dev->dev); 1174 if (r < 0) { 1175 pm_runtime_put_autosuspend(connector->dev->dev); 1176 return connector_status_disconnected; 1177 } 1178 } 1179 1180 encoder = radeon_best_single_encoder(connector); 1181 if (!encoder) 1182 ret = connector_status_disconnected; 1183 else { 1184 encoder_funcs = encoder->helper_private; 1185 ret = encoder_funcs->detect(encoder, connector); 1186 } 1187 if (ret == connector_status_connected) 1188 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false); 1189 radeon_connector_update_scratch_regs(connector, ret); 1190 1191 if (!drm_kms_helper_is_poll_worker()) { 1192 pm_runtime_mark_last_busy(connector->dev->dev); 1193 pm_runtime_put_autosuspend(connector->dev->dev); 1194 } 1195 1196 return ret; 1197} 1198 1199static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = { 1200 .get_modes = radeon_tv_get_modes, 1201 .mode_valid = radeon_tv_mode_valid, 1202 .best_encoder = radeon_best_single_encoder, 1203}; 1204 1205static const struct drm_connector_funcs radeon_tv_connector_funcs = { 1206 .dpms = drm_helper_connector_dpms, 1207 .detect = radeon_tv_detect, 1208 .fill_modes = drm_helper_probe_single_connector_modes, 1209 .early_unregister = radeon_connector_unregister, 1210 .destroy = radeon_connector_destroy, 1211 .set_property = radeon_connector_set_property, 1212}; 1213 1214static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector) 1215{ 1216 struct drm_device *dev = connector->dev; 1217 struct radeon_device *rdev = dev->dev_private; 1218 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1219 enum drm_connector_status status; 1220 1221 /* We only trust HPD on R600 and newer ASICS. */ 1222 if (rdev->family >= CHIP_R600 1223 && radeon_connector->hpd.hpd != RADEON_HPD_NONE) { 1224 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) 1225 status = connector_status_connected; 1226 else 1227 status = connector_status_disconnected; 1228 if (connector->status == status) 1229 return true; 1230 } 1231 1232 return false; 1233} 1234 1235/* 1236 * DVI is complicated 1237 * Do a DDC probe, if DDC probe passes, get the full EDID so 1238 * we can do analog/digital monitor detection at this point. 1239 * If the monitor is an analog monitor or we got no DDC, 1240 * we need to find the DAC encoder object for this connector. 1241 * If we got no DDC, we do load detection on the DAC encoder object. 1242 * If we got analog DDC or load detection passes on the DAC encoder 1243 * we have to check if this analog encoder is shared with anyone else (TV) 1244 * if its shared we have to set the other connector to disconnected. 1245 */ 1246static enum drm_connector_status 1247radeon_dvi_detect(struct drm_connector *connector, bool force) 1248{ 1249 struct drm_device *dev = connector->dev; 1250 struct radeon_device *rdev = dev->dev_private; 1251 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1252 struct drm_encoder *encoder = NULL; 1253 const struct drm_encoder_helper_funcs *encoder_funcs; 1254 int r; 1255 enum drm_connector_status ret = connector_status_disconnected; 1256 bool dret = false, broken_edid = false; 1257 1258 if (!drm_kms_helper_is_poll_worker()) { 1259 r = pm_runtime_get_sync(connector->dev->dev); 1260 if (r < 0) { 1261 pm_runtime_put_autosuspend(connector->dev->dev); 1262 return connector_status_disconnected; 1263 } 1264 } 1265 1266 if (radeon_connector->detected_hpd_without_ddc) { 1267 force = true; 1268 radeon_connector->detected_hpd_without_ddc = false; 1269 } 1270 1271 if (!force && radeon_check_hpd_status_unchanged(connector)) { 1272 ret = connector->status; 1273 goto exit; 1274 } 1275 1276 if (radeon_connector->ddc_bus) { 1277 dret = radeon_ddc_probe(radeon_connector, false); 1278 1279 /* Sometimes the pins required for the DDC probe on DVI 1280 * connectors don't make contact at the same time that the ones 1281 * for HPD do. If the DDC probe fails even though we had an HPD 1282 * signal, try again later */ 1283 if (!dret && !force && 1284 connector->status != connector_status_connected) { 1285 DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n"); 1286 radeon_connector->detected_hpd_without_ddc = true; 1287 schedule_delayed_work(&rdev->hotplug_work, 1288 msecs_to_jiffies(1000)); 1289 goto exit; 1290 } 1291 } 1292 if (dret) { 1293 radeon_connector->detected_by_load = false; 1294 radeon_connector_free_edid(connector); 1295 radeon_connector_get_edid(connector); 1296 1297 if (!radeon_connector->edid) { 1298 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n", 1299 connector->name); 1300 /* rs690 seems to have a problem with connectors not existing and always 1301 * return a block of 0's. If we see this just stop polling on this output */ 1302 if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && 1303 radeon_connector->base.null_edid_counter) { 1304 ret = connector_status_disconnected; 1305 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", 1306 connector->name); 1307 radeon_connector->ddc_bus = NULL; 1308 } else { 1309 ret = connector_status_connected; 1310 broken_edid = true; /* defer use_digital to later */ 1311 } 1312 } else { 1313 radeon_connector->use_digital = 1314 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL); 1315 1316 /* some oems have boards with separate digital and analog connectors 1317 * with a shared ddc line (often vga + hdmi) 1318 */ 1319 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) { 1320 radeon_connector_free_edid(connector); 1321 ret = connector_status_disconnected; 1322 } else { 1323 ret = connector_status_connected; 1324 } 1325 /* This gets complicated. We have boards with VGA + HDMI with a 1326 * shared DDC line and we have boards with DVI-D + HDMI with a shared 1327 * DDC line. The latter is more complex because with DVI<->HDMI adapters 1328 * you don't really know what's connected to which port as both are digital. 1329 */ 1330 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) { 1331 struct drm_connector *list_connector; 1332 struct radeon_connector *list_radeon_connector; 1333 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) { 1334 if (connector == list_connector) 1335 continue; 1336 list_radeon_connector = to_radeon_connector(list_connector); 1337 if (list_radeon_connector->shared_ddc && 1338 (list_radeon_connector->ddc_bus->rec.i2c_id == 1339 radeon_connector->ddc_bus->rec.i2c_id)) { 1340 /* cases where both connectors are digital */ 1341 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) { 1342 /* hpd is our only option in this case */ 1343 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { 1344 radeon_connector_free_edid(connector); 1345 ret = connector_status_disconnected; 1346 } 1347 } 1348 } 1349 } 1350 } 1351 } 1352 } 1353 1354 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true)) 1355 goto out; 1356 1357 /* DVI-D and HDMI-A are digital only */ 1358 if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) || 1359 (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA)) 1360 goto out; 1361 1362 /* if we aren't forcing don't do destructive polling */ 1363 if (!force) { 1364 /* only return the previous status if we last 1365 * detected a monitor via load. 1366 */ 1367 if (radeon_connector->detected_by_load) 1368 ret = connector->status; 1369 goto out; 1370 } 1371 1372 /* find analog encoder */ 1373 if (radeon_connector->dac_load_detect) { 1374 drm_connector_for_each_possible_encoder(connector, encoder) { 1375 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC && 1376 encoder->encoder_type != DRM_MODE_ENCODER_TVDAC) 1377 continue; 1378 1379 encoder_funcs = encoder->helper_private; 1380 if (encoder_funcs->detect) { 1381 if (!broken_edid) { 1382 if (ret != connector_status_connected) { 1383 /* deal with analog monitors without DDC */ 1384 ret = encoder_funcs->detect(encoder, connector); 1385 if (ret == connector_status_connected) { 1386 radeon_connector->use_digital = false; 1387 } 1388 if (ret != connector_status_disconnected) 1389 radeon_connector->detected_by_load = true; 1390 } 1391 } else { 1392 enum drm_connector_status lret; 1393 /* assume digital unless load detected otherwise */ 1394 radeon_connector->use_digital = true; 1395 lret = encoder_funcs->detect(encoder, connector); 1396 DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret); 1397 if (lret == connector_status_connected) 1398 radeon_connector->use_digital = false; 1399 } 1400 break; 1401 } 1402 } 1403 } 1404 1405 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) && 1406 encoder) { 1407 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true); 1408 } 1409 1410 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the 1411 * vbios to deal with KVMs. If we have one and are not able to detect a monitor 1412 * by other means, assume the DFP is connected and use that EDID. In most 1413 * cases the DVI port is actually a virtual KVM port connected to the service 1414 * processor. 1415 */ 1416out: 1417 if ((!rdev->is_atom_bios) && 1418 (ret == connector_status_disconnected) && 1419 rdev->mode_info.bios_hardcoded_edid_size) { 1420 radeon_connector->use_digital = true; 1421 ret = connector_status_connected; 1422 } 1423 1424 /* updated in get modes as well since we need to know if it's analog or digital */ 1425 radeon_connector_update_scratch_regs(connector, ret); 1426 1427 if ((radeon_audio != 0) && radeon_connector->use_digital) { 1428 const struct drm_connector_helper_funcs *connector_funcs = 1429 connector->helper_private; 1430 1431 encoder = connector_funcs->best_encoder(connector); 1432 if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) { 1433 radeon_connector_get_edid(connector); 1434 radeon_audio_detect(connector, encoder, ret); 1435 } 1436 } 1437 1438exit: 1439 if (!drm_kms_helper_is_poll_worker()) { 1440 pm_runtime_mark_last_busy(connector->dev->dev); 1441 pm_runtime_put_autosuspend(connector->dev->dev); 1442 } 1443 1444 return ret; 1445} 1446 1447/* okay need to be smart in here about which encoder to pick */ 1448static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector) 1449{ 1450 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1451 struct drm_encoder *encoder; 1452 1453 drm_connector_for_each_possible_encoder(connector, encoder) { 1454 if (radeon_connector->use_digital == true) { 1455 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS) 1456 return encoder; 1457 } else { 1458 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC || 1459 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC) 1460 return encoder; 1461 } 1462 } 1463 1464 /* see if we have a default encoder TODO */ 1465 1466 /* then check use digitial */ 1467 /* pick the first one */ 1468 drm_connector_for_each_possible_encoder(connector, encoder) 1469 return encoder; 1470 1471 return NULL; 1472} 1473 1474static void radeon_dvi_force(struct drm_connector *connector) 1475{ 1476 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1477 if (connector->force == DRM_FORCE_ON) 1478 radeon_connector->use_digital = false; 1479 if (connector->force == DRM_FORCE_ON_DIGITAL) 1480 radeon_connector->use_digital = true; 1481} 1482 1483static enum drm_mode_status radeon_dvi_mode_valid(struct drm_connector *connector, 1484 struct drm_display_mode *mode) 1485{ 1486 struct drm_device *dev = connector->dev; 1487 struct radeon_device *rdev = dev->dev_private; 1488 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1489 1490 /* XXX check mode bandwidth */ 1491 1492 /* clocks over 135 MHz have heat issues with DVI on RV100 */ 1493 if (radeon_connector->use_digital && 1494 (rdev->family == CHIP_RV100) && 1495 (mode->clock > 135000)) 1496 return MODE_CLOCK_HIGH; 1497 1498 if (radeon_connector->use_digital && (mode->clock > 165000)) { 1499 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) || 1500 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) || 1501 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B)) 1502 return MODE_OK; 1503 else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 1504 /* HDMI 1.3+ supports max clock of 340 Mhz */ 1505 if (mode->clock > 340000) 1506 return MODE_CLOCK_HIGH; 1507 else 1508 return MODE_OK; 1509 } else { 1510 return MODE_CLOCK_HIGH; 1511 } 1512 } 1513 1514 /* check against the max pixel clock */ 1515 if ((mode->clock / 10) > rdev->clock.max_pixel_clock) 1516 return MODE_CLOCK_HIGH; 1517 1518 return MODE_OK; 1519} 1520 1521static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = { 1522 .get_modes = radeon_vga_get_modes, 1523 .mode_valid = radeon_dvi_mode_valid, 1524 .best_encoder = radeon_dvi_encoder, 1525}; 1526 1527static const struct drm_connector_funcs radeon_dvi_connector_funcs = { 1528 .dpms = drm_helper_connector_dpms, 1529 .detect = radeon_dvi_detect, 1530 .fill_modes = drm_helper_probe_single_connector_modes, 1531 .set_property = radeon_connector_set_property, 1532 .early_unregister = radeon_connector_unregister, 1533 .destroy = radeon_connector_destroy, 1534 .force = radeon_dvi_force, 1535}; 1536 1537static int radeon_dp_get_modes(struct drm_connector *connector) 1538{ 1539 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1540 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1541 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1542 int ret; 1543 1544 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1545 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1546 struct drm_display_mode *mode; 1547 1548 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) { 1549 if (!radeon_dig_connector->edp_on) 1550 atombios_set_edp_panel_power(connector, 1551 ATOM_TRANSMITTER_ACTION_POWER_ON); 1552 radeon_connector_get_edid(connector); 1553 ret = radeon_ddc_get_modes(connector); 1554 if (!radeon_dig_connector->edp_on) 1555 atombios_set_edp_panel_power(connector, 1556 ATOM_TRANSMITTER_ACTION_POWER_OFF); 1557 } else { 1558 /* need to setup ddc on the bridge */ 1559 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1560 ENCODER_OBJECT_ID_NONE) { 1561 if (encoder) 1562 radeon_atom_ext_encoder_setup_ddc(encoder); 1563 } 1564 radeon_connector_get_edid(connector); 1565 ret = radeon_ddc_get_modes(connector); 1566 } 1567 1568 if (ret > 0) { 1569 if (encoder) { 1570 radeon_fixup_lvds_native_mode(encoder, connector); 1571 /* add scaled modes */ 1572 radeon_add_common_modes(encoder, connector); 1573 } 1574 return ret; 1575 } 1576 1577 if (!encoder) 1578 return 0; 1579 1580 /* we have no EDID modes */ 1581 mode = radeon_fp_native_mode(encoder); 1582 if (mode) { 1583 ret = 1; 1584 drm_mode_probed_add(connector, mode); 1585 /* add the width/height from vbios tables if available */ 1586 connector->display_info.width_mm = mode->width_mm; 1587 connector->display_info.height_mm = mode->height_mm; 1588 /* add scaled modes */ 1589 radeon_add_common_modes(encoder, connector); 1590 } 1591 } else { 1592 /* need to setup ddc on the bridge */ 1593 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1594 ENCODER_OBJECT_ID_NONE) { 1595 if (encoder) 1596 radeon_atom_ext_encoder_setup_ddc(encoder); 1597 } 1598 radeon_connector_get_edid(connector); 1599 ret = radeon_ddc_get_modes(connector); 1600 1601 radeon_get_native_mode(connector); 1602 } 1603 1604 return ret; 1605} 1606 1607u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector) 1608{ 1609 struct drm_encoder *encoder; 1610 struct radeon_encoder *radeon_encoder; 1611 1612 drm_connector_for_each_possible_encoder(connector, encoder) { 1613 radeon_encoder = to_radeon_encoder(encoder); 1614 1615 switch (radeon_encoder->encoder_id) { 1616 case ENCODER_OBJECT_ID_TRAVIS: 1617 case ENCODER_OBJECT_ID_NUTMEG: 1618 return radeon_encoder->encoder_id; 1619 default: 1620 break; 1621 } 1622 } 1623 1624 return ENCODER_OBJECT_ID_NONE; 1625} 1626 1627static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector) 1628{ 1629 struct drm_encoder *encoder; 1630 struct radeon_encoder *radeon_encoder; 1631 bool found = false; 1632 1633 drm_connector_for_each_possible_encoder(connector, encoder) { 1634 radeon_encoder = to_radeon_encoder(encoder); 1635 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2) 1636 found = true; 1637 } 1638 1639 return found; 1640} 1641 1642bool radeon_connector_is_dp12_capable(struct drm_connector *connector) 1643{ 1644 struct drm_device *dev = connector->dev; 1645 struct radeon_device *rdev = dev->dev_private; 1646 1647 if (ASIC_IS_DCE5(rdev) && 1648 (rdev->clock.default_dispclk >= 53900) && 1649 radeon_connector_encoder_is_hbr2(connector)) { 1650 return true; 1651 } 1652 1653 return false; 1654} 1655 1656static enum drm_connector_status 1657radeon_dp_detect(struct drm_connector *connector, bool force) 1658{ 1659 struct drm_device *dev = connector->dev; 1660 struct radeon_device *rdev = dev->dev_private; 1661 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1662 enum drm_connector_status ret = connector_status_disconnected; 1663 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1664 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1665 int r; 1666 1667 if (radeon_dig_connector->is_mst) 1668 return connector_status_disconnected; 1669 1670 if (!drm_kms_helper_is_poll_worker()) { 1671 r = pm_runtime_get_sync(connector->dev->dev); 1672 if (r < 0) { 1673 pm_runtime_put_autosuspend(connector->dev->dev); 1674 return connector_status_disconnected; 1675 } 1676 } 1677 1678 if (!force && radeon_check_hpd_status_unchanged(connector)) { 1679 ret = connector->status; 1680 goto out; 1681 } 1682 1683 radeon_connector_free_edid(connector); 1684 1685 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1686 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1687 if (encoder) { 1688 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 1689 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 1690 1691 /* check if panel is valid */ 1692 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240) 1693 ret = connector_status_connected; 1694 /* don't fetch the edid from the vbios if ddc fails and runpm is 1695 * enabled so we report disconnected. 1696 */ 1697 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0)) 1698 ret = connector_status_disconnected; 1699 } 1700 /* eDP is always DP */ 1701 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; 1702 if (!radeon_dig_connector->edp_on) 1703 atombios_set_edp_panel_power(connector, 1704 ATOM_TRANSMITTER_ACTION_POWER_ON); 1705 if (radeon_dp_getdpcd(radeon_connector)) 1706 ret = connector_status_connected; 1707 if (!radeon_dig_connector->edp_on) 1708 atombios_set_edp_panel_power(connector, 1709 ATOM_TRANSMITTER_ACTION_POWER_OFF); 1710 } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1711 ENCODER_OBJECT_ID_NONE) { 1712 /* DP bridges are always DP */ 1713 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; 1714 /* get the DPCD from the bridge */ 1715 radeon_dp_getdpcd(radeon_connector); 1716 1717 if (encoder) { 1718 /* setup ddc on the bridge */ 1719 radeon_atom_ext_encoder_setup_ddc(encoder); 1720 /* bridge chips are always aux */ 1721 if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */ 1722 ret = connector_status_connected; 1723 else if (radeon_connector->dac_load_detect) { /* try load detection */ 1724 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private; 1725 ret = encoder_funcs->detect(encoder, connector); 1726 } 1727 } 1728 } else { 1729 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector); 1730 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { 1731 ret = connector_status_connected; 1732 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) { 1733 radeon_dp_getdpcd(radeon_connector); 1734 r = radeon_dp_mst_probe(radeon_connector); 1735 if (r == 1) 1736 ret = connector_status_disconnected; 1737 } 1738 } else { 1739 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) { 1740 if (radeon_dp_getdpcd(radeon_connector)) { 1741 r = radeon_dp_mst_probe(radeon_connector); 1742 if (r == 1) 1743 ret = connector_status_disconnected; 1744 else 1745 ret = connector_status_connected; 1746 } 1747 } else { 1748 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */ 1749 if (radeon_ddc_probe(radeon_connector, false)) 1750 ret = connector_status_connected; 1751 } 1752 } 1753 } 1754 1755 radeon_connector_update_scratch_regs(connector, ret); 1756 1757 if ((radeon_audio != 0) && encoder) { 1758 radeon_connector_get_edid(connector); 1759 radeon_audio_detect(connector, encoder, ret); 1760 } 1761 1762out: 1763 if (!drm_kms_helper_is_poll_worker()) { 1764 pm_runtime_mark_last_busy(connector->dev->dev); 1765 pm_runtime_put_autosuspend(connector->dev->dev); 1766 } 1767 1768 return ret; 1769} 1770 1771static enum drm_mode_status radeon_dp_mode_valid(struct drm_connector *connector, 1772 struct drm_display_mode *mode) 1773{ 1774 struct drm_device *dev = connector->dev; 1775 struct radeon_device *rdev = dev->dev_private; 1776 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1777 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1778 1779 /* XXX check mode bandwidth */ 1780 1781 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1782 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1783 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1784 1785 if ((mode->hdisplay < 320) || (mode->vdisplay < 240)) 1786 return MODE_PANEL; 1787 1788 if (encoder) { 1789 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 1790 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 1791 1792 /* AVIVO hardware supports downscaling modes larger than the panel 1793 * to the panel size, but I'm not sure this is desirable. 1794 */ 1795 if ((mode->hdisplay > native_mode->hdisplay) || 1796 (mode->vdisplay > native_mode->vdisplay)) 1797 return MODE_PANEL; 1798 1799 /* if scaling is disabled, block non-native modes */ 1800 if (radeon_encoder->rmx_type == RMX_OFF) { 1801 if ((mode->hdisplay != native_mode->hdisplay) || 1802 (mode->vdisplay != native_mode->vdisplay)) 1803 return MODE_PANEL; 1804 } 1805 } 1806 } else { 1807 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 1808 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) { 1809 return radeon_dp_mode_valid_helper(connector, mode); 1810 } else { 1811 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 1812 /* HDMI 1.3+ supports max clock of 340 Mhz */ 1813 if (mode->clock > 340000) 1814 return MODE_CLOCK_HIGH; 1815 } else { 1816 if (mode->clock > 165000) 1817 return MODE_CLOCK_HIGH; 1818 } 1819 } 1820 } 1821 1822 return MODE_OK; 1823} 1824 1825static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = { 1826 .get_modes = radeon_dp_get_modes, 1827 .mode_valid = radeon_dp_mode_valid, 1828 .best_encoder = radeon_dvi_encoder, 1829}; 1830 1831static const struct drm_connector_funcs radeon_dp_connector_funcs = { 1832 .dpms = drm_helper_connector_dpms, 1833 .detect = radeon_dp_detect, 1834 .fill_modes = drm_helper_probe_single_connector_modes, 1835 .set_property = radeon_connector_set_property, 1836 .early_unregister = radeon_connector_unregister, 1837 .destroy = radeon_connector_destroy, 1838 .force = radeon_dvi_force, 1839}; 1840 1841static const struct drm_connector_funcs radeon_edp_connector_funcs = { 1842 .dpms = drm_helper_connector_dpms, 1843 .detect = radeon_dp_detect, 1844 .fill_modes = drm_helper_probe_single_connector_modes, 1845 .set_property = radeon_lvds_set_property, 1846 .early_unregister = radeon_connector_unregister, 1847 .destroy = radeon_connector_destroy, 1848 .force = radeon_dvi_force, 1849}; 1850 1851static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = { 1852 .dpms = drm_helper_connector_dpms, 1853 .detect = radeon_dp_detect, 1854 .fill_modes = drm_helper_probe_single_connector_modes, 1855 .set_property = radeon_lvds_set_property, 1856 .early_unregister = radeon_connector_unregister, 1857 .destroy = radeon_connector_destroy, 1858 .force = radeon_dvi_force, 1859}; 1860 1861void 1862radeon_add_atom_connector(struct drm_device *dev, 1863 uint32_t connector_id, 1864 uint32_t supported_device, 1865 int connector_type, 1866 struct radeon_i2c_bus_rec *i2c_bus, 1867 uint32_t igp_lane_info, 1868 uint16_t connector_object_id, 1869 struct radeon_hpd *hpd, 1870 struct radeon_router *router) 1871{ 1872 struct radeon_device *rdev = dev->dev_private; 1873 struct drm_connector *connector; 1874 struct radeon_connector *radeon_connector; 1875 struct radeon_connector_atom_dig *radeon_dig_connector; 1876 struct drm_encoder *encoder; 1877 struct radeon_encoder *radeon_encoder; 1878 struct i2c_adapter *ddc = NULL; 1879 uint32_t subpixel_order = SubPixelNone; 1880 bool shared_ddc = false; 1881 bool is_dp_bridge = false; 1882 bool has_aux = false; 1883 1884 if (connector_type == DRM_MODE_CONNECTOR_Unknown) 1885 return; 1886 1887 /* if the user selected tv=0 don't try and add the connector */ 1888 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) || 1889 (connector_type == DRM_MODE_CONNECTOR_Composite) || 1890 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) && 1891 (radeon_tv == 0)) 1892 return; 1893 1894 /* see if we already added it */ 1895 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 1896 radeon_connector = to_radeon_connector(connector); 1897 if (radeon_connector->connector_id == connector_id) { 1898 radeon_connector->devices |= supported_device; 1899 return; 1900 } 1901 if (radeon_connector->ddc_bus && i2c_bus->valid) { 1902 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) { 1903 radeon_connector->shared_ddc = true; 1904 shared_ddc = true; 1905 } 1906 if (radeon_connector->router_bus && router->ddc_valid && 1907 (radeon_connector->router.router_id == router->router_id)) { 1908 radeon_connector->shared_ddc = false; 1909 shared_ddc = false; 1910 } 1911 } 1912 } 1913 1914 /* check if it's a dp bridge */ 1915 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 1916 radeon_encoder = to_radeon_encoder(encoder); 1917 if (radeon_encoder->devices & supported_device) { 1918 switch (radeon_encoder->encoder_id) { 1919 case ENCODER_OBJECT_ID_TRAVIS: 1920 case ENCODER_OBJECT_ID_NUTMEG: 1921 is_dp_bridge = true; 1922 break; 1923 default: 1924 break; 1925 } 1926 } 1927 } 1928 1929 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL); 1930 if (!radeon_connector) 1931 return; 1932 1933 connector = &radeon_connector->base; 1934 1935 radeon_connector->connector_id = connector_id; 1936 radeon_connector->devices = supported_device; 1937 radeon_connector->shared_ddc = shared_ddc; 1938 radeon_connector->connector_object_id = connector_object_id; 1939 radeon_connector->hpd = *hpd; 1940 1941 radeon_connector->router = *router; 1942 if (router->ddc_valid || router->cd_valid) { 1943 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info); 1944 if (!radeon_connector->router_bus) 1945 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n"); 1946 } 1947 1948 if (is_dp_bridge) { 1949 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1950 if (!radeon_dig_connector) 1951 goto failed; 1952 radeon_dig_connector->igp_lane_info = igp_lane_info; 1953 radeon_connector->con_priv = radeon_dig_connector; 1954 if (i2c_bus->valid) { 1955 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1956 if (radeon_connector->ddc_bus) { 1957 has_aux = true; 1958 ddc = &radeon_connector->ddc_bus->adapter; 1959 } else { 1960 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1961 } 1962 } 1963 switch (connector_type) { 1964 case DRM_MODE_CONNECTOR_VGA: 1965 case DRM_MODE_CONNECTOR_DVIA: 1966 default: 1967 drm_connector_init_with_ddc(dev, &radeon_connector->base, 1968 &radeon_dp_connector_funcs, 1969 connector_type, 1970 ddc); 1971 drm_connector_helper_add(&radeon_connector->base, 1972 &radeon_dp_connector_helper_funcs); 1973 connector->interlace_allowed = true; 1974 connector->doublescan_allowed = true; 1975 radeon_connector->dac_load_detect = true; 1976 drm_object_attach_property(&radeon_connector->base.base, 1977 rdev->mode_info.load_detect_property, 1978 1); 1979 drm_object_attach_property(&radeon_connector->base.base, 1980 dev->mode_config.scaling_mode_property, 1981 DRM_MODE_SCALE_NONE); 1982 if (ASIC_IS_DCE5(rdev)) 1983 drm_object_attach_property(&radeon_connector->base.base, 1984 rdev->mode_info.output_csc_property, 1985 RADEON_OUTPUT_CSC_BYPASS); 1986 break; 1987 case DRM_MODE_CONNECTOR_DVII: 1988 case DRM_MODE_CONNECTOR_DVID: 1989 case DRM_MODE_CONNECTOR_HDMIA: 1990 case DRM_MODE_CONNECTOR_HDMIB: 1991 case DRM_MODE_CONNECTOR_DisplayPort: 1992 drm_connector_init_with_ddc(dev, &radeon_connector->base, 1993 &radeon_dp_connector_funcs, 1994 connector_type, 1995 ddc); 1996 drm_connector_helper_add(&radeon_connector->base, 1997 &radeon_dp_connector_helper_funcs); 1998 drm_object_attach_property(&radeon_connector->base.base, 1999 rdev->mode_info.underscan_property, 2000 UNDERSCAN_OFF); 2001 drm_object_attach_property(&radeon_connector->base.base, 2002 rdev->mode_info.underscan_hborder_property, 2003 0); 2004 drm_object_attach_property(&radeon_connector->base.base, 2005 rdev->mode_info.underscan_vborder_property, 2006 0); 2007 2008 drm_object_attach_property(&radeon_connector->base.base, 2009 dev->mode_config.scaling_mode_property, 2010 DRM_MODE_SCALE_NONE); 2011 2012 drm_object_attach_property(&radeon_connector->base.base, 2013 rdev->mode_info.dither_property, 2014 RADEON_FMT_DITHER_DISABLE); 2015 2016 if (radeon_audio != 0) { 2017 drm_object_attach_property(&radeon_connector->base.base, 2018 rdev->mode_info.audio_property, 2019 RADEON_AUDIO_AUTO); 2020 radeon_connector->audio = RADEON_AUDIO_AUTO; 2021 } 2022 if (ASIC_IS_DCE5(rdev)) 2023 drm_object_attach_property(&radeon_connector->base.base, 2024 rdev->mode_info.output_csc_property, 2025 RADEON_OUTPUT_CSC_BYPASS); 2026 2027 subpixel_order = SubPixelHorizontalRGB; 2028 connector->interlace_allowed = true; 2029 if (connector_type == DRM_MODE_CONNECTOR_HDMIB) 2030 connector->doublescan_allowed = true; 2031 else 2032 connector->doublescan_allowed = false; 2033 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 2034 radeon_connector->dac_load_detect = true; 2035 drm_object_attach_property(&radeon_connector->base.base, 2036 rdev->mode_info.load_detect_property, 2037 1); 2038 } 2039 break; 2040 case DRM_MODE_CONNECTOR_LVDS: 2041 case DRM_MODE_CONNECTOR_eDP: 2042 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2043 &radeon_lvds_bridge_connector_funcs, 2044 connector_type, 2045 ddc); 2046 drm_connector_helper_add(&radeon_connector->base, 2047 &radeon_dp_connector_helper_funcs); 2048 drm_object_attach_property(&radeon_connector->base.base, 2049 dev->mode_config.scaling_mode_property, 2050 DRM_MODE_SCALE_FULLSCREEN); 2051 subpixel_order = SubPixelHorizontalRGB; 2052 connector->interlace_allowed = false; 2053 connector->doublescan_allowed = false; 2054 break; 2055 } 2056 } else { 2057 switch (connector_type) { 2058 case DRM_MODE_CONNECTOR_VGA: 2059 if (i2c_bus->valid) { 2060 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2061 if (!radeon_connector->ddc_bus) 2062 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2063 else 2064 ddc = &radeon_connector->ddc_bus->adapter; 2065 } 2066 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2067 &radeon_vga_connector_funcs, 2068 connector_type, 2069 ddc); 2070 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2071 radeon_connector->dac_load_detect = true; 2072 drm_object_attach_property(&radeon_connector->base.base, 2073 rdev->mode_info.load_detect_property, 2074 1); 2075 if (ASIC_IS_AVIVO(rdev)) 2076 drm_object_attach_property(&radeon_connector->base.base, 2077 dev->mode_config.scaling_mode_property, 2078 DRM_MODE_SCALE_NONE); 2079 if (ASIC_IS_DCE5(rdev)) 2080 drm_object_attach_property(&radeon_connector->base.base, 2081 rdev->mode_info.output_csc_property, 2082 RADEON_OUTPUT_CSC_BYPASS); 2083 /* no HPD on analog connectors */ 2084 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2085 connector->interlace_allowed = true; 2086 connector->doublescan_allowed = true; 2087 break; 2088 case DRM_MODE_CONNECTOR_DVIA: 2089 if (i2c_bus->valid) { 2090 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2091 if (!radeon_connector->ddc_bus) 2092 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2093 else 2094 ddc = &radeon_connector->ddc_bus->adapter; 2095 } 2096 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2097 &radeon_vga_connector_funcs, 2098 connector_type, 2099 ddc); 2100 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2101 radeon_connector->dac_load_detect = true; 2102 drm_object_attach_property(&radeon_connector->base.base, 2103 rdev->mode_info.load_detect_property, 2104 1); 2105 if (ASIC_IS_AVIVO(rdev)) 2106 drm_object_attach_property(&radeon_connector->base.base, 2107 dev->mode_config.scaling_mode_property, 2108 DRM_MODE_SCALE_NONE); 2109 if (ASIC_IS_DCE5(rdev)) 2110 drm_object_attach_property(&radeon_connector->base.base, 2111 rdev->mode_info.output_csc_property, 2112 RADEON_OUTPUT_CSC_BYPASS); 2113 /* no HPD on analog connectors */ 2114 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2115 connector->interlace_allowed = true; 2116 connector->doublescan_allowed = true; 2117 break; 2118 case DRM_MODE_CONNECTOR_DVII: 2119 case DRM_MODE_CONNECTOR_DVID: 2120 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2121 if (!radeon_dig_connector) 2122 goto failed; 2123 radeon_dig_connector->igp_lane_info = igp_lane_info; 2124 radeon_connector->con_priv = radeon_dig_connector; 2125 if (i2c_bus->valid) { 2126 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2127 if (!radeon_connector->ddc_bus) 2128 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2129 else 2130 ddc = &radeon_connector->ddc_bus->adapter; 2131 } 2132 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2133 &radeon_dvi_connector_funcs, 2134 connector_type, 2135 ddc); 2136 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 2137 subpixel_order = SubPixelHorizontalRGB; 2138 drm_object_attach_property(&radeon_connector->base.base, 2139 rdev->mode_info.coherent_mode_property, 2140 1); 2141 if (ASIC_IS_AVIVO(rdev)) { 2142 drm_object_attach_property(&radeon_connector->base.base, 2143 rdev->mode_info.underscan_property, 2144 UNDERSCAN_OFF); 2145 drm_object_attach_property(&radeon_connector->base.base, 2146 rdev->mode_info.underscan_hborder_property, 2147 0); 2148 drm_object_attach_property(&radeon_connector->base.base, 2149 rdev->mode_info.underscan_vborder_property, 2150 0); 2151 drm_object_attach_property(&radeon_connector->base.base, 2152 rdev->mode_info.dither_property, 2153 RADEON_FMT_DITHER_DISABLE); 2154 drm_object_attach_property(&radeon_connector->base.base, 2155 dev->mode_config.scaling_mode_property, 2156 DRM_MODE_SCALE_NONE); 2157 } 2158 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) { 2159 drm_object_attach_property(&radeon_connector->base.base, 2160 rdev->mode_info.audio_property, 2161 RADEON_AUDIO_AUTO); 2162 radeon_connector->audio = RADEON_AUDIO_AUTO; 2163 } 2164 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 2165 radeon_connector->dac_load_detect = true; 2166 drm_object_attach_property(&radeon_connector->base.base, 2167 rdev->mode_info.load_detect_property, 2168 1); 2169 } 2170 if (ASIC_IS_DCE5(rdev)) 2171 drm_object_attach_property(&radeon_connector->base.base, 2172 rdev->mode_info.output_csc_property, 2173 RADEON_OUTPUT_CSC_BYPASS); 2174 connector->interlace_allowed = true; 2175 if (connector_type == DRM_MODE_CONNECTOR_DVII) 2176 connector->doublescan_allowed = true; 2177 else 2178 connector->doublescan_allowed = false; 2179 break; 2180 case DRM_MODE_CONNECTOR_HDMIA: 2181 case DRM_MODE_CONNECTOR_HDMIB: 2182 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2183 if (!radeon_dig_connector) 2184 goto failed; 2185 radeon_dig_connector->igp_lane_info = igp_lane_info; 2186 radeon_connector->con_priv = radeon_dig_connector; 2187 if (i2c_bus->valid) { 2188 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2189 if (!radeon_connector->ddc_bus) 2190 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2191 else 2192 ddc = &radeon_connector->ddc_bus->adapter; 2193 } 2194 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2195 &radeon_dvi_connector_funcs, 2196 connector_type, 2197 ddc); 2198 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 2199 drm_object_attach_property(&radeon_connector->base.base, 2200 rdev->mode_info.coherent_mode_property, 2201 1); 2202 if (ASIC_IS_AVIVO(rdev)) { 2203 drm_object_attach_property(&radeon_connector->base.base, 2204 rdev->mode_info.underscan_property, 2205 UNDERSCAN_OFF); 2206 drm_object_attach_property(&radeon_connector->base.base, 2207 rdev->mode_info.underscan_hborder_property, 2208 0); 2209 drm_object_attach_property(&radeon_connector->base.base, 2210 rdev->mode_info.underscan_vborder_property, 2211 0); 2212 drm_object_attach_property(&radeon_connector->base.base, 2213 rdev->mode_info.dither_property, 2214 RADEON_FMT_DITHER_DISABLE); 2215 drm_object_attach_property(&radeon_connector->base.base, 2216 dev->mode_config.scaling_mode_property, 2217 DRM_MODE_SCALE_NONE); 2218 } 2219 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) { 2220 drm_object_attach_property(&radeon_connector->base.base, 2221 rdev->mode_info.audio_property, 2222 RADEON_AUDIO_AUTO); 2223 radeon_connector->audio = RADEON_AUDIO_AUTO; 2224 } 2225 if (ASIC_IS_DCE5(rdev)) 2226 drm_object_attach_property(&radeon_connector->base.base, 2227 rdev->mode_info.output_csc_property, 2228 RADEON_OUTPUT_CSC_BYPASS); 2229 subpixel_order = SubPixelHorizontalRGB; 2230 connector->interlace_allowed = true; 2231 if (connector_type == DRM_MODE_CONNECTOR_HDMIB) 2232 connector->doublescan_allowed = true; 2233 else 2234 connector->doublescan_allowed = false; 2235 break; 2236 case DRM_MODE_CONNECTOR_DisplayPort: 2237 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2238 if (!radeon_dig_connector) 2239 goto failed; 2240 radeon_dig_connector->igp_lane_info = igp_lane_info; 2241 radeon_connector->con_priv = radeon_dig_connector; 2242 if (i2c_bus->valid) { 2243 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2244 if (radeon_connector->ddc_bus) { 2245 has_aux = true; 2246 ddc = &radeon_connector->ddc_bus->adapter; 2247 } else { 2248 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2249 } 2250 } 2251 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2252 &radeon_dp_connector_funcs, 2253 connector_type, 2254 ddc); 2255 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); 2256 subpixel_order = SubPixelHorizontalRGB; 2257 drm_object_attach_property(&radeon_connector->base.base, 2258 rdev->mode_info.coherent_mode_property, 2259 1); 2260 if (ASIC_IS_AVIVO(rdev)) { 2261 drm_object_attach_property(&radeon_connector->base.base, 2262 rdev->mode_info.underscan_property, 2263 UNDERSCAN_OFF); 2264 drm_object_attach_property(&radeon_connector->base.base, 2265 rdev->mode_info.underscan_hborder_property, 2266 0); 2267 drm_object_attach_property(&radeon_connector->base.base, 2268 rdev->mode_info.underscan_vborder_property, 2269 0); 2270 drm_object_attach_property(&radeon_connector->base.base, 2271 rdev->mode_info.dither_property, 2272 RADEON_FMT_DITHER_DISABLE); 2273 drm_object_attach_property(&radeon_connector->base.base, 2274 dev->mode_config.scaling_mode_property, 2275 DRM_MODE_SCALE_NONE); 2276 } 2277 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) { 2278 drm_object_attach_property(&radeon_connector->base.base, 2279 rdev->mode_info.audio_property, 2280 RADEON_AUDIO_AUTO); 2281 radeon_connector->audio = RADEON_AUDIO_AUTO; 2282 } 2283 if (ASIC_IS_DCE5(rdev)) 2284 drm_object_attach_property(&radeon_connector->base.base, 2285 rdev->mode_info.output_csc_property, 2286 RADEON_OUTPUT_CSC_BYPASS); 2287 connector->interlace_allowed = true; 2288 /* in theory with a DP to VGA converter... */ 2289 connector->doublescan_allowed = false; 2290 break; 2291 case DRM_MODE_CONNECTOR_eDP: 2292 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2293 if (!radeon_dig_connector) 2294 goto failed; 2295 radeon_dig_connector->igp_lane_info = igp_lane_info; 2296 radeon_connector->con_priv = radeon_dig_connector; 2297 if (i2c_bus->valid) { 2298 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2299 if (radeon_connector->ddc_bus) { 2300 has_aux = true; 2301 ddc = &radeon_connector->ddc_bus->adapter; 2302 } else { 2303 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2304 } 2305 } 2306 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2307 &radeon_edp_connector_funcs, 2308 connector_type, 2309 ddc); 2310 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); 2311 drm_object_attach_property(&radeon_connector->base.base, 2312 dev->mode_config.scaling_mode_property, 2313 DRM_MODE_SCALE_FULLSCREEN); 2314 subpixel_order = SubPixelHorizontalRGB; 2315 connector->interlace_allowed = false; 2316 connector->doublescan_allowed = false; 2317 break; 2318 case DRM_MODE_CONNECTOR_SVIDEO: 2319 case DRM_MODE_CONNECTOR_Composite: 2320 case DRM_MODE_CONNECTOR_9PinDIN: 2321 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2322 &radeon_tv_connector_funcs, 2323 connector_type, 2324 ddc); 2325 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs); 2326 radeon_connector->dac_load_detect = true; 2327 drm_object_attach_property(&radeon_connector->base.base, 2328 rdev->mode_info.load_detect_property, 2329 1); 2330 drm_object_attach_property(&radeon_connector->base.base, 2331 rdev->mode_info.tv_std_property, 2332 radeon_atombios_get_tv_info(rdev)); 2333 /* no HPD on analog connectors */ 2334 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2335 connector->interlace_allowed = false; 2336 connector->doublescan_allowed = false; 2337 break; 2338 case DRM_MODE_CONNECTOR_LVDS: 2339 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2340 if (!radeon_dig_connector) 2341 goto failed; 2342 radeon_dig_connector->igp_lane_info = igp_lane_info; 2343 radeon_connector->con_priv = radeon_dig_connector; 2344 if (i2c_bus->valid) { 2345 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2346 if (!radeon_connector->ddc_bus) 2347 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2348 else 2349 ddc = &radeon_connector->ddc_bus->adapter; 2350 } 2351 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2352 &radeon_lvds_connector_funcs, 2353 connector_type, 2354 ddc); 2355 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs); 2356 drm_object_attach_property(&radeon_connector->base.base, 2357 dev->mode_config.scaling_mode_property, 2358 DRM_MODE_SCALE_FULLSCREEN); 2359 subpixel_order = SubPixelHorizontalRGB; 2360 connector->interlace_allowed = false; 2361 connector->doublescan_allowed = false; 2362 break; 2363 } 2364 } 2365 2366 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) { 2367 if (i2c_bus->valid) { 2368 connector->polled = DRM_CONNECTOR_POLL_CONNECT | 2369 DRM_CONNECTOR_POLL_DISCONNECT; 2370 } 2371 } else 2372 connector->polled = DRM_CONNECTOR_POLL_HPD; 2373 2374 connector->display_info.subpixel_order = subpixel_order; 2375 drm_connector_register(connector); 2376 2377 if (has_aux) 2378 radeon_dp_aux_init(radeon_connector); 2379 2380 return; 2381 2382failed: 2383 drm_connector_cleanup(connector); 2384 kfree(connector); 2385} 2386 2387void 2388radeon_add_legacy_connector(struct drm_device *dev, 2389 uint32_t connector_id, 2390 uint32_t supported_device, 2391 int connector_type, 2392 struct radeon_i2c_bus_rec *i2c_bus, 2393 uint16_t connector_object_id, 2394 struct radeon_hpd *hpd) 2395{ 2396 struct radeon_device *rdev = dev->dev_private; 2397 struct drm_connector *connector; 2398 struct radeon_connector *radeon_connector; 2399 struct i2c_adapter *ddc = NULL; 2400 uint32_t subpixel_order = SubPixelNone; 2401 2402 if (connector_type == DRM_MODE_CONNECTOR_Unknown) 2403 return; 2404 2405 /* if the user selected tv=0 don't try and add the connector */ 2406 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) || 2407 (connector_type == DRM_MODE_CONNECTOR_Composite) || 2408 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) && 2409 (radeon_tv == 0)) 2410 return; 2411 2412 /* see if we already added it */ 2413 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 2414 radeon_connector = to_radeon_connector(connector); 2415 if (radeon_connector->connector_id == connector_id) { 2416 radeon_connector->devices |= supported_device; 2417 return; 2418 } 2419 } 2420 2421 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL); 2422 if (!radeon_connector) 2423 return; 2424 2425 connector = &radeon_connector->base; 2426 2427 radeon_connector->connector_id = connector_id; 2428 radeon_connector->devices = supported_device; 2429 radeon_connector->connector_object_id = connector_object_id; 2430 radeon_connector->hpd = *hpd; 2431 2432 switch (connector_type) { 2433 case DRM_MODE_CONNECTOR_VGA: 2434 if (i2c_bus->valid) { 2435 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2436 if (!radeon_connector->ddc_bus) 2437 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2438 else 2439 ddc = &radeon_connector->ddc_bus->adapter; 2440 } 2441 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2442 &radeon_vga_connector_funcs, 2443 connector_type, 2444 ddc); 2445 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2446 radeon_connector->dac_load_detect = true; 2447 drm_object_attach_property(&radeon_connector->base.base, 2448 rdev->mode_info.load_detect_property, 2449 1); 2450 /* no HPD on analog connectors */ 2451 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2452 connector->interlace_allowed = true; 2453 connector->doublescan_allowed = true; 2454 break; 2455 case DRM_MODE_CONNECTOR_DVIA: 2456 if (i2c_bus->valid) { 2457 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2458 if (!radeon_connector->ddc_bus) 2459 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2460 else 2461 ddc = &radeon_connector->ddc_bus->adapter; 2462 } 2463 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2464 &radeon_vga_connector_funcs, 2465 connector_type, 2466 ddc); 2467 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2468 radeon_connector->dac_load_detect = true; 2469 drm_object_attach_property(&radeon_connector->base.base, 2470 rdev->mode_info.load_detect_property, 2471 1); 2472 /* no HPD on analog connectors */ 2473 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2474 connector->interlace_allowed = true; 2475 connector->doublescan_allowed = true; 2476 break; 2477 case DRM_MODE_CONNECTOR_DVII: 2478 case DRM_MODE_CONNECTOR_DVID: 2479 if (i2c_bus->valid) { 2480 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2481 if (!radeon_connector->ddc_bus) 2482 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2483 else 2484 ddc = &radeon_connector->ddc_bus->adapter; 2485 } 2486 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2487 &radeon_dvi_connector_funcs, 2488 connector_type, 2489 ddc); 2490 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 2491 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 2492 radeon_connector->dac_load_detect = true; 2493 drm_object_attach_property(&radeon_connector->base.base, 2494 rdev->mode_info.load_detect_property, 2495 1); 2496 } 2497 subpixel_order = SubPixelHorizontalRGB; 2498 connector->interlace_allowed = true; 2499 if (connector_type == DRM_MODE_CONNECTOR_DVII) 2500 connector->doublescan_allowed = true; 2501 else 2502 connector->doublescan_allowed = false; 2503 break; 2504 case DRM_MODE_CONNECTOR_SVIDEO: 2505 case DRM_MODE_CONNECTOR_Composite: 2506 case DRM_MODE_CONNECTOR_9PinDIN: 2507 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2508 &radeon_tv_connector_funcs, 2509 connector_type, 2510 ddc); 2511 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs); 2512 radeon_connector->dac_load_detect = true; 2513 /* RS400,RC410,RS480 chipset seems to report a lot 2514 * of false positive on load detect, we haven't yet 2515 * found a way to make load detect reliable on those 2516 * chipset, thus just disable it for TV. 2517 */ 2518 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480) 2519 radeon_connector->dac_load_detect = false; 2520 drm_object_attach_property(&radeon_connector->base.base, 2521 rdev->mode_info.load_detect_property, 2522 radeon_connector->dac_load_detect); 2523 drm_object_attach_property(&radeon_connector->base.base, 2524 rdev->mode_info.tv_std_property, 2525 radeon_combios_get_tv_info(rdev)); 2526 /* no HPD on analog connectors */ 2527 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2528 connector->interlace_allowed = false; 2529 connector->doublescan_allowed = false; 2530 break; 2531 case DRM_MODE_CONNECTOR_LVDS: 2532 if (i2c_bus->valid) { 2533 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2534 if (!radeon_connector->ddc_bus) 2535 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2536 else 2537 ddc = &radeon_connector->ddc_bus->adapter; 2538 } 2539 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2540 &radeon_lvds_connector_funcs, 2541 connector_type, 2542 ddc); 2543 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs); 2544 drm_object_attach_property(&radeon_connector->base.base, 2545 dev->mode_config.scaling_mode_property, 2546 DRM_MODE_SCALE_FULLSCREEN); 2547 subpixel_order = SubPixelHorizontalRGB; 2548 connector->interlace_allowed = false; 2549 connector->doublescan_allowed = false; 2550 break; 2551 } 2552 2553 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) { 2554 if (i2c_bus->valid) { 2555 connector->polled = DRM_CONNECTOR_POLL_CONNECT | 2556 DRM_CONNECTOR_POLL_DISCONNECT; 2557 } 2558 } else 2559 connector->polled = DRM_CONNECTOR_POLL_HPD; 2560 2561 connector->display_info.subpixel_order = subpixel_order; 2562 drm_connector_register(connector); 2563} 2564 2565void radeon_setup_mst_connector(struct drm_device *dev) 2566{ 2567 struct radeon_device *rdev = dev->dev_private; 2568 struct drm_connector *connector; 2569 struct radeon_connector *radeon_connector; 2570 2571 if (!ASIC_IS_DCE5(rdev)) 2572 return; 2573 2574 if (radeon_mst == 0) 2575 return; 2576 2577 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 2578 int ret; 2579 2580 radeon_connector = to_radeon_connector(connector); 2581 2582 if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort) 2583 continue; 2584 2585 ret = radeon_dp_mst_init(radeon_connector); 2586 } 2587} 2588