1 /* 2 * Copyright 2007-8 Advanced Micro Devices, Inc. 3 * Copyright 2008 Red Hat Inc. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be included in 13 * all copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 21 * OTHER DEALINGS IN THE SOFTWARE. 22 * 23 * Authors: Dave Airlie 24 * Alex Deucher 25 */ 26 27 #include <drm/display/drm_dp_mst_helper.h> 28 #include <drm/drm_edid.h> 29 #include <drm/drm_crtc_helper.h> 30 #include <drm/drm_modeset_helper_vtables.h> 31 #include <drm/drm_probe_helper.h> 32 #include <drm/radeon_drm.h> 33 #include "radeon.h" 34 #include "radeon_audio.h" 35 #include "atom.h" 36 37 #include <linux/pm_runtime.h> 38 #include <linux/vga_switcheroo.h> 39 40 void radeon_connector_hotplug(struct drm_connector *connector) 41 { 42 struct drm_device *dev = connector->dev; 43 struct radeon_device *rdev = dev->dev_private; 44 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 45 46 /* bail if the connector does not have hpd pin, e.g., 47 * VGA, TV, etc. 48 */ 49 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) 50 return; 51 52 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); 53 54 /* if the connector is already off, don't turn it back on */ 55 /* FIXME: This access isn't protected by any locks. */ 56 if (connector->dpms != DRM_MODE_DPMS_ON) 57 return; 58 59 /* just deal with DP (not eDP) here. */ 60 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) { 61 struct radeon_connector_atom_dig *dig_connector = 62 radeon_connector->con_priv; 63 64 /* if existing sink type was not DP no need to retrain */ 65 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT) 66 return; 67 68 /* first get sink type as it may be reset after (un)plug */ 69 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector); 70 /* don't do anything if sink is not display port, i.e., 71 * passive dp->(dvi|hdmi) adaptor 72 */ 73 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT && 74 radeon_hpd_sense(rdev, radeon_connector->hpd.hpd) && 75 radeon_dp_needs_link_train(radeon_connector)) { 76 /* Don't start link training before we have the DPCD */ 77 if (!radeon_dp_getdpcd(radeon_connector)) 78 return; 79 80 /* Turn the connector off and back on immediately, which 81 * will trigger link training 82 */ 83 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); 84 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); 85 } 86 } 87 } 88 89 static void radeon_property_change_mode(struct drm_encoder *encoder) 90 { 91 struct drm_crtc *crtc = encoder->crtc; 92 93 if (crtc && crtc->enabled) { 94 drm_crtc_helper_set_mode(crtc, &crtc->mode, 95 crtc->x, crtc->y, crtc->primary->fb); 96 } 97 } 98 99 int radeon_get_monitor_bpc(struct drm_connector *connector) 100 { 101 struct drm_device *dev = connector->dev; 102 struct radeon_device *rdev = dev->dev_private; 103 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 104 struct radeon_connector_atom_dig *dig_connector; 105 int bpc = 8; 106 int mode_clock, max_tmds_clock; 107 108 switch (connector->connector_type) { 109 case DRM_MODE_CONNECTOR_DVII: 110 case DRM_MODE_CONNECTOR_HDMIB: 111 if (radeon_connector->use_digital) { 112 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 113 if (connector->display_info.bpc) 114 bpc = connector->display_info.bpc; 115 } 116 } 117 break; 118 case DRM_MODE_CONNECTOR_DVID: 119 case DRM_MODE_CONNECTOR_HDMIA: 120 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 121 if (connector->display_info.bpc) 122 bpc = connector->display_info.bpc; 123 } 124 break; 125 case DRM_MODE_CONNECTOR_DisplayPort: 126 dig_connector = radeon_connector->con_priv; 127 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 128 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) || 129 drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 130 if (connector->display_info.bpc) 131 bpc = connector->display_info.bpc; 132 } 133 break; 134 case DRM_MODE_CONNECTOR_eDP: 135 case DRM_MODE_CONNECTOR_LVDS: 136 if (connector->display_info.bpc) 137 bpc = connector->display_info.bpc; 138 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) { 139 const struct drm_connector_helper_funcs *connector_funcs = 140 connector->helper_private; 141 struct drm_encoder *encoder = connector_funcs->best_encoder(connector); 142 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 143 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; 144 145 if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR) 146 bpc = 6; 147 else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR) 148 bpc = 8; 149 } 150 break; 151 } 152 153 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 154 /* hdmi deep color only implemented on DCE4+ */ 155 if ((bpc > 8) && !ASIC_IS_DCE4(rdev)) { 156 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 8 bpc.\n", 157 connector->name, bpc); 158 bpc = 8; 159 } 160 161 /* 162 * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make 163 * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at 164 * 12 bpc is always supported on hdmi deep color sinks, as this is 165 * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum. 166 */ 167 if (bpc > 12) { 168 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n", 169 connector->name, bpc); 170 bpc = 12; 171 } 172 173 /* Any defined maximum tmds clock limit we must not exceed? */ 174 if (connector->display_info.max_tmds_clock > 0) { 175 /* mode_clock is clock in kHz for mode to be modeset on this connector */ 176 mode_clock = radeon_connector->pixelclock_for_modeset; 177 178 /* Maximum allowable input clock in kHz */ 179 max_tmds_clock = connector->display_info.max_tmds_clock; 180 181 DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n", 182 connector->name, mode_clock, max_tmds_clock); 183 184 /* Check if bpc is within clock limit. Try to degrade gracefully otherwise */ 185 if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) { 186 if ((connector->display_info.edid_hdmi_rgb444_dc_modes & DRM_EDID_HDMI_DC_30) && 187 (mode_clock * 5/4 <= max_tmds_clock)) 188 bpc = 10; 189 else 190 bpc = 8; 191 192 DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n", 193 connector->name, bpc); 194 } 195 196 if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) { 197 bpc = 8; 198 DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n", 199 connector->name, bpc); 200 } 201 } 202 else if (bpc > 8) { 203 /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */ 204 DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n", 205 connector->name); 206 bpc = 8; 207 } 208 } 209 210 if ((radeon_deep_color == 0) && (bpc > 8)) { 211 DRM_DEBUG("%s: Deep color disabled. Set radeon module param deep_color=1 to enable.\n", 212 connector->name); 213 bpc = 8; 214 } 215 216 DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n", 217 connector->name, connector->display_info.bpc, bpc); 218 219 return bpc; 220 } 221 222 static void 223 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status) 224 { 225 struct drm_device *dev = connector->dev; 226 struct radeon_device *rdev = dev->dev_private; 227 struct drm_encoder *best_encoder; 228 struct drm_encoder *encoder; 229 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 230 bool connected; 231 232 best_encoder = connector_funcs->best_encoder(connector); 233 234 drm_connector_for_each_possible_encoder(connector, encoder) { 235 if ((encoder == best_encoder) && (status == connector_status_connected)) 236 connected = true; 237 else 238 connected = false; 239 240 if (rdev->is_atom_bios) 241 radeon_atombios_connected_scratch_regs(connector, encoder, connected); 242 else 243 radeon_combios_connected_scratch_regs(connector, encoder, connected); 244 } 245 } 246 247 static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type) 248 { 249 struct drm_encoder *encoder; 250 251 drm_connector_for_each_possible_encoder(connector, encoder) { 252 if (encoder->encoder_type == encoder_type) 253 return encoder; 254 } 255 256 return NULL; 257 } 258 259 struct edid *radeon_connector_edid(struct drm_connector *connector) 260 { 261 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 262 struct drm_property_blob *edid_blob = connector->edid_blob_ptr; 263 264 if (radeon_connector->edid) { 265 return radeon_connector->edid; 266 } else if (edid_blob) { 267 struct edid *edid = kmemdup(edid_blob->data, edid_blob->length, GFP_KERNEL); 268 if (edid) 269 radeon_connector->edid = edid; 270 } 271 return radeon_connector->edid; 272 } 273 274 static void radeon_connector_get_edid(struct drm_connector *connector) 275 { 276 struct drm_device *dev = connector->dev; 277 struct radeon_device *rdev = dev->dev_private; 278 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 279 280 if (radeon_connector->edid) 281 return; 282 283 /* on hw with routers, select right port */ 284 if (radeon_connector->router.ddc_valid) 285 radeon_router_select_ddc_port(radeon_connector); 286 287 if ((radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 288 ENCODER_OBJECT_ID_NONE) && 289 radeon_connector->ddc_bus->has_aux) { 290 radeon_connector->edid = drm_get_edid(connector, 291 &radeon_connector->ddc_bus->aux.ddc); 292 } else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) || 293 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) { 294 struct radeon_connector_atom_dig *dig = radeon_connector->con_priv; 295 296 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT || 297 dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) && 298 radeon_connector->ddc_bus->has_aux) 299 radeon_connector->edid = drm_get_edid(&radeon_connector->base, 300 &radeon_connector->ddc_bus->aux.ddc); 301 else if (radeon_connector->ddc_bus) 302 radeon_connector->edid = drm_get_edid(&radeon_connector->base, 303 &radeon_connector->ddc_bus->adapter); 304 } else if (vga_switcheroo_handler_flags() & VGA_SWITCHEROO_CAN_SWITCH_DDC && 305 connector->connector_type == DRM_MODE_CONNECTOR_LVDS && 306 radeon_connector->ddc_bus) { 307 radeon_connector->edid = drm_get_edid_switcheroo(&radeon_connector->base, 308 &radeon_connector->ddc_bus->adapter); 309 } else if (radeon_connector->ddc_bus) { 310 radeon_connector->edid = drm_get_edid(&radeon_connector->base, 311 &radeon_connector->ddc_bus->adapter); 312 } 313 314 if (!radeon_connector->edid) { 315 /* don't fetch the edid from the vbios if ddc fails and runpm is 316 * enabled so we report disconnected. 317 */ 318 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0)) 319 return; 320 321 if (rdev->is_atom_bios) { 322 /* some laptops provide a hardcoded edid in rom for LCDs */ 323 if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) || 324 (connector->connector_type == DRM_MODE_CONNECTOR_eDP))) 325 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev); 326 } else { 327 /* some servers provide a hardcoded edid in rom for KVMs */ 328 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev); 329 } 330 } 331 } 332 333 static void radeon_connector_free_edid(struct drm_connector *connector) 334 { 335 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 336 337 if (radeon_connector->edid) { 338 kfree(radeon_connector->edid); 339 radeon_connector->edid = NULL; 340 } 341 } 342 343 static int radeon_ddc_get_modes(struct drm_connector *connector) 344 { 345 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 346 int ret; 347 348 if (radeon_connector->edid) { 349 drm_connector_update_edid_property(connector, radeon_connector->edid); 350 ret = drm_add_edid_modes(connector, radeon_connector->edid); 351 return ret; 352 } 353 drm_connector_update_edid_property(connector, NULL); 354 return 0; 355 } 356 357 static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector) 358 { 359 struct drm_encoder *encoder; 360 361 /* pick the first one */ 362 drm_connector_for_each_possible_encoder(connector, encoder) 363 return encoder; 364 365 return NULL; 366 } 367 368 static void radeon_get_native_mode(struct drm_connector *connector) 369 { 370 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 371 struct radeon_encoder *radeon_encoder; 372 373 if (encoder == NULL) 374 return; 375 376 radeon_encoder = to_radeon_encoder(encoder); 377 378 if (!list_empty(&connector->probed_modes)) { 379 struct drm_display_mode *preferred_mode = 380 list_first_entry(&connector->probed_modes, 381 struct drm_display_mode, head); 382 383 radeon_encoder->native_mode = *preferred_mode; 384 } else { 385 radeon_encoder->native_mode.clock = 0; 386 } 387 } 388 389 /* 390 * radeon_connector_analog_encoder_conflict_solve 391 * - search for other connectors sharing this encoder 392 * if priority is true, then set them disconnected if this is connected 393 * if priority is false, set us disconnected if they are connected 394 */ 395 static enum drm_connector_status 396 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector, 397 struct drm_encoder *encoder, 398 enum drm_connector_status current_status, 399 bool priority) 400 { 401 struct drm_device *dev = connector->dev; 402 struct drm_connector *conflict; 403 struct radeon_connector *radeon_conflict; 404 405 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) { 406 struct drm_encoder *enc; 407 408 if (conflict == connector) 409 continue; 410 411 radeon_conflict = to_radeon_connector(conflict); 412 413 drm_connector_for_each_possible_encoder(conflict, enc) { 414 /* if the IDs match */ 415 if (enc == encoder) { 416 if (conflict->status != connector_status_connected) 417 continue; 418 419 if (radeon_conflict->use_digital) 420 continue; 421 422 if (priority) { 423 DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", 424 conflict->name); 425 DRM_DEBUG_KMS("in favor of %s\n", 426 connector->name); 427 conflict->status = connector_status_disconnected; 428 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected); 429 } else { 430 DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", 431 connector->name); 432 DRM_DEBUG_KMS("in favor of %s\n", 433 conflict->name); 434 current_status = connector_status_disconnected; 435 } 436 break; 437 } 438 } 439 } 440 return current_status; 441 442 } 443 444 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder) 445 { 446 struct drm_device *dev = encoder->dev; 447 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 448 struct drm_display_mode *mode = NULL; 449 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 450 451 if (native_mode->hdisplay != 0 && 452 native_mode->vdisplay != 0 && 453 native_mode->clock != 0) { 454 mode = drm_mode_duplicate(dev, native_mode); 455 if (!mode) 456 return NULL; 457 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; 458 drm_mode_set_name(mode); 459 460 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name); 461 } else if (native_mode->hdisplay != 0 && 462 native_mode->vdisplay != 0) { 463 /* mac laptops without an edid */ 464 /* Note that this is not necessarily the exact panel mode, 465 * but an approximation based on the cvt formula. For these 466 * systems we should ideally read the mode info out of the 467 * registers or add a mode table, but this works and is much 468 * simpler. 469 */ 470 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false); 471 if (!mode) 472 return NULL; 473 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; 474 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name); 475 } 476 return mode; 477 } 478 479 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector) 480 { 481 struct drm_device *dev = encoder->dev; 482 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 483 struct drm_display_mode *mode = NULL; 484 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 485 int i; 486 struct mode_size { 487 int w; 488 int h; 489 } common_modes[17] = { 490 { 640, 480}, 491 { 720, 480}, 492 { 800, 600}, 493 { 848, 480}, 494 {1024, 768}, 495 {1152, 768}, 496 {1280, 720}, 497 {1280, 800}, 498 {1280, 854}, 499 {1280, 960}, 500 {1280, 1024}, 501 {1440, 900}, 502 {1400, 1050}, 503 {1680, 1050}, 504 {1600, 1200}, 505 {1920, 1080}, 506 {1920, 1200} 507 }; 508 509 for (i = 0; i < 17; i++) { 510 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) { 511 if (common_modes[i].w > 1024 || 512 common_modes[i].h > 768) 513 continue; 514 } 515 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { 516 if (common_modes[i].w > native_mode->hdisplay || 517 common_modes[i].h > native_mode->vdisplay || 518 (common_modes[i].w == native_mode->hdisplay && 519 common_modes[i].h == native_mode->vdisplay)) 520 continue; 521 } 522 if (common_modes[i].w < 320 || common_modes[i].h < 200) 523 continue; 524 525 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false); 526 drm_mode_probed_add(connector, mode); 527 } 528 } 529 530 static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property, 531 uint64_t val) 532 { 533 struct drm_device *dev = connector->dev; 534 struct radeon_device *rdev = dev->dev_private; 535 struct drm_encoder *encoder; 536 struct radeon_encoder *radeon_encoder; 537 538 if (property == rdev->mode_info.coherent_mode_property) { 539 struct radeon_encoder_atom_dig *dig; 540 bool new_coherent_mode; 541 542 /* need to find digital encoder on connector */ 543 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 544 if (!encoder) 545 return 0; 546 547 radeon_encoder = to_radeon_encoder(encoder); 548 549 if (!radeon_encoder->enc_priv) 550 return 0; 551 552 dig = radeon_encoder->enc_priv; 553 new_coherent_mode = val ? true : false; 554 if (dig->coherent_mode != new_coherent_mode) { 555 dig->coherent_mode = new_coherent_mode; 556 radeon_property_change_mode(&radeon_encoder->base); 557 } 558 } 559 560 if (property == rdev->mode_info.audio_property) { 561 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 562 /* need to find digital encoder on connector */ 563 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 564 if (!encoder) 565 return 0; 566 567 radeon_encoder = to_radeon_encoder(encoder); 568 569 if (radeon_connector->audio != val) { 570 radeon_connector->audio = val; 571 radeon_property_change_mode(&radeon_encoder->base); 572 } 573 } 574 575 if (property == rdev->mode_info.dither_property) { 576 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 577 /* need to find digital encoder on connector */ 578 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 579 if (!encoder) 580 return 0; 581 582 radeon_encoder = to_radeon_encoder(encoder); 583 584 if (radeon_connector->dither != val) { 585 radeon_connector->dither = val; 586 radeon_property_change_mode(&radeon_encoder->base); 587 } 588 } 589 590 if (property == rdev->mode_info.underscan_property) { 591 /* need to find digital encoder on connector */ 592 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 593 if (!encoder) 594 return 0; 595 596 radeon_encoder = to_radeon_encoder(encoder); 597 598 if (radeon_encoder->underscan_type != val) { 599 radeon_encoder->underscan_type = val; 600 radeon_property_change_mode(&radeon_encoder->base); 601 } 602 } 603 604 if (property == rdev->mode_info.underscan_hborder_property) { 605 /* need to find digital encoder on connector */ 606 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 607 if (!encoder) 608 return 0; 609 610 radeon_encoder = to_radeon_encoder(encoder); 611 612 if (radeon_encoder->underscan_hborder != val) { 613 radeon_encoder->underscan_hborder = val; 614 radeon_property_change_mode(&radeon_encoder->base); 615 } 616 } 617 618 if (property == rdev->mode_info.underscan_vborder_property) { 619 /* need to find digital encoder on connector */ 620 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 621 if (!encoder) 622 return 0; 623 624 radeon_encoder = to_radeon_encoder(encoder); 625 626 if (radeon_encoder->underscan_vborder != val) { 627 radeon_encoder->underscan_vborder = val; 628 radeon_property_change_mode(&radeon_encoder->base); 629 } 630 } 631 632 if (property == rdev->mode_info.tv_std_property) { 633 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC); 634 if (!encoder) { 635 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC); 636 } 637 638 if (!encoder) 639 return 0; 640 641 radeon_encoder = to_radeon_encoder(encoder); 642 if (!radeon_encoder->enc_priv) 643 return 0; 644 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) { 645 struct radeon_encoder_atom_dac *dac_int; 646 dac_int = radeon_encoder->enc_priv; 647 dac_int->tv_std = val; 648 } else { 649 struct radeon_encoder_tv_dac *dac_int; 650 dac_int = radeon_encoder->enc_priv; 651 dac_int->tv_std = val; 652 } 653 radeon_property_change_mode(&radeon_encoder->base); 654 } 655 656 if (property == rdev->mode_info.load_detect_property) { 657 struct radeon_connector *radeon_connector = 658 to_radeon_connector(connector); 659 660 if (val == 0) 661 radeon_connector->dac_load_detect = false; 662 else 663 radeon_connector->dac_load_detect = true; 664 } 665 666 if (property == rdev->mode_info.tmds_pll_property) { 667 struct radeon_encoder_int_tmds *tmds = NULL; 668 bool ret = false; 669 /* need to find digital encoder on connector */ 670 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 671 if (!encoder) 672 return 0; 673 674 radeon_encoder = to_radeon_encoder(encoder); 675 676 tmds = radeon_encoder->enc_priv; 677 if (!tmds) 678 return 0; 679 680 if (val == 0) { 681 if (rdev->is_atom_bios) 682 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds); 683 else 684 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds); 685 } 686 if (val == 1 || !ret) 687 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds); 688 689 radeon_property_change_mode(&radeon_encoder->base); 690 } 691 692 if (property == dev->mode_config.scaling_mode_property) { 693 enum radeon_rmx_type rmx_type; 694 695 if (connector->encoder) 696 radeon_encoder = to_radeon_encoder(connector->encoder); 697 else { 698 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 699 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); 700 } 701 702 switch (val) { 703 default: 704 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break; 705 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break; 706 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break; 707 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break; 708 } 709 if (radeon_encoder->rmx_type == rmx_type) 710 return 0; 711 712 if ((rmx_type != DRM_MODE_SCALE_NONE) && 713 (radeon_encoder->native_mode.clock == 0)) 714 return 0; 715 716 radeon_encoder->rmx_type = rmx_type; 717 718 radeon_property_change_mode(&radeon_encoder->base); 719 } 720 721 if (property == rdev->mode_info.output_csc_property) { 722 if (connector->encoder) 723 radeon_encoder = to_radeon_encoder(connector->encoder); 724 else { 725 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 726 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); 727 } 728 729 if (radeon_encoder->output_csc == val) 730 return 0; 731 732 radeon_encoder->output_csc = val; 733 734 if (connector->encoder && connector->encoder->crtc) { 735 struct drm_crtc *crtc = connector->encoder->crtc; 736 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 737 738 radeon_crtc->output_csc = radeon_encoder->output_csc; 739 740 /* 741 * Our .gamma_set assumes the .gamma_store has been 742 * prefilled and don't care about its arguments. 743 */ 744 crtc->funcs->gamma_set(crtc, NULL, NULL, NULL, 0, NULL); 745 } 746 } 747 748 return 0; 749 } 750 751 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder, 752 struct drm_connector *connector) 753 { 754 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 755 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 756 struct drm_display_mode *t, *mode; 757 758 /* If the EDID preferred mode doesn't match the native mode, use it */ 759 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) { 760 if (mode->type & DRM_MODE_TYPE_PREFERRED) { 761 if (mode->hdisplay != native_mode->hdisplay || 762 mode->vdisplay != native_mode->vdisplay) 763 drm_mode_copy(native_mode, mode); 764 } 765 } 766 767 /* Try to get native mode details from EDID if necessary */ 768 if (!native_mode->clock) { 769 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) { 770 if (mode->hdisplay == native_mode->hdisplay && 771 mode->vdisplay == native_mode->vdisplay) { 772 drm_mode_copy(native_mode, mode); 773 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V); 774 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n"); 775 break; 776 } 777 } 778 } 779 780 if (!native_mode->clock) { 781 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n"); 782 radeon_encoder->rmx_type = RMX_OFF; 783 } 784 } 785 786 static int radeon_lvds_get_modes(struct drm_connector *connector) 787 { 788 struct drm_encoder *encoder; 789 int ret = 0; 790 struct drm_display_mode *mode; 791 792 radeon_connector_get_edid(connector); 793 ret = radeon_ddc_get_modes(connector); 794 if (ret > 0) { 795 encoder = radeon_best_single_encoder(connector); 796 if (encoder) { 797 radeon_fixup_lvds_native_mode(encoder, connector); 798 /* add scaled modes */ 799 radeon_add_common_modes(encoder, connector); 800 } 801 return ret; 802 } 803 804 encoder = radeon_best_single_encoder(connector); 805 if (!encoder) 806 return 0; 807 808 /* we have no EDID modes */ 809 mode = radeon_fp_native_mode(encoder); 810 if (mode) { 811 ret = 1; 812 drm_mode_probed_add(connector, mode); 813 /* add the width/height from vbios tables if available */ 814 connector->display_info.width_mm = mode->width_mm; 815 connector->display_info.height_mm = mode->height_mm; 816 /* add scaled modes */ 817 radeon_add_common_modes(encoder, connector); 818 } 819 820 return ret; 821 } 822 823 static enum drm_mode_status radeon_lvds_mode_valid(struct drm_connector *connector, 824 struct drm_display_mode *mode) 825 { 826 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 827 828 if ((mode->hdisplay < 320) || (mode->vdisplay < 240)) 829 return MODE_PANEL; 830 831 if (encoder) { 832 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 833 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 834 835 /* AVIVO hardware supports downscaling modes larger than the panel 836 * to the panel size, but I'm not sure this is desirable. 837 */ 838 if ((mode->hdisplay > native_mode->hdisplay) || 839 (mode->vdisplay > native_mode->vdisplay)) 840 return MODE_PANEL; 841 842 /* if scaling is disabled, block non-native modes */ 843 if (radeon_encoder->rmx_type == RMX_OFF) { 844 if ((mode->hdisplay != native_mode->hdisplay) || 845 (mode->vdisplay != native_mode->vdisplay)) 846 return MODE_PANEL; 847 } 848 } 849 850 return MODE_OK; 851 } 852 853 static enum drm_connector_status 854 radeon_lvds_detect(struct drm_connector *connector, bool force) 855 { 856 struct drm_device *dev = connector->dev; 857 struct radeon_device *rdev = dev->dev_private; 858 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 859 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 860 enum drm_connector_status ret = connector_status_disconnected; 861 int r; 862 863 if (!drm_kms_helper_is_poll_worker()) { 864 r = pm_runtime_get_sync(connector->dev->dev); 865 if (r < 0) { 866 pm_runtime_put_autosuspend(connector->dev->dev); 867 return connector_status_disconnected; 868 } 869 } 870 871 if (encoder) { 872 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 873 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 874 875 /* check if panel is valid */ 876 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240) 877 ret = connector_status_connected; 878 /* don't fetch the edid from the vbios if ddc fails and runpm is 879 * enabled so we report disconnected. 880 */ 881 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0)) 882 ret = connector_status_disconnected; 883 } 884 885 /* check for edid as well */ 886 radeon_connector_get_edid(connector); 887 if (radeon_connector->edid) 888 ret = connector_status_connected; 889 /* check acpi lid status ??? */ 890 891 radeon_connector_update_scratch_regs(connector, ret); 892 893 if (!drm_kms_helper_is_poll_worker()) { 894 pm_runtime_mark_last_busy(connector->dev->dev); 895 pm_runtime_put_autosuspend(connector->dev->dev); 896 } 897 898 return ret; 899 } 900 901 static void radeon_connector_unregister(struct drm_connector *connector) 902 { 903 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 904 905 if (radeon_connector->ddc_bus && radeon_connector->ddc_bus->has_aux) { 906 drm_dp_aux_unregister(&radeon_connector->ddc_bus->aux); 907 radeon_connector->ddc_bus->has_aux = false; 908 } 909 } 910 911 static void radeon_connector_destroy(struct drm_connector *connector) 912 { 913 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 914 915 radeon_connector_free_edid(connector); 916 kfree(radeon_connector->con_priv); 917 drm_connector_unregister(connector); 918 drm_connector_cleanup(connector); 919 kfree(connector); 920 } 921 922 static int radeon_lvds_set_property(struct drm_connector *connector, 923 struct drm_property *property, 924 uint64_t value) 925 { 926 struct drm_device *dev = connector->dev; 927 struct radeon_encoder *radeon_encoder; 928 enum radeon_rmx_type rmx_type; 929 930 DRM_DEBUG_KMS("\n"); 931 if (property != dev->mode_config.scaling_mode_property) 932 return 0; 933 934 if (connector->encoder) 935 radeon_encoder = to_radeon_encoder(connector->encoder); 936 else { 937 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 938 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); 939 } 940 941 switch (value) { 942 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break; 943 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break; 944 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break; 945 default: 946 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break; 947 } 948 if (radeon_encoder->rmx_type == rmx_type) 949 return 0; 950 951 radeon_encoder->rmx_type = rmx_type; 952 953 radeon_property_change_mode(&radeon_encoder->base); 954 return 0; 955 } 956 957 958 static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = { 959 .get_modes = radeon_lvds_get_modes, 960 .mode_valid = radeon_lvds_mode_valid, 961 .best_encoder = radeon_best_single_encoder, 962 }; 963 964 static const struct drm_connector_funcs radeon_lvds_connector_funcs = { 965 .dpms = drm_helper_connector_dpms, 966 .detect = radeon_lvds_detect, 967 .fill_modes = drm_helper_probe_single_connector_modes, 968 .early_unregister = radeon_connector_unregister, 969 .destroy = radeon_connector_destroy, 970 .set_property = radeon_lvds_set_property, 971 }; 972 973 static int radeon_vga_get_modes(struct drm_connector *connector) 974 { 975 int ret; 976 977 radeon_connector_get_edid(connector); 978 ret = radeon_ddc_get_modes(connector); 979 980 radeon_get_native_mode(connector); 981 982 return ret; 983 } 984 985 static enum drm_mode_status radeon_vga_mode_valid(struct drm_connector *connector, 986 struct drm_display_mode *mode) 987 { 988 struct drm_device *dev = connector->dev; 989 struct radeon_device *rdev = dev->dev_private; 990 991 /* XXX check mode bandwidth */ 992 993 if ((mode->clock / 10) > rdev->clock.max_pixel_clock) 994 return MODE_CLOCK_HIGH; 995 996 return MODE_OK; 997 } 998 999 static enum drm_connector_status 1000 radeon_vga_detect(struct drm_connector *connector, bool force) 1001 { 1002 struct drm_device *dev = connector->dev; 1003 struct radeon_device *rdev = dev->dev_private; 1004 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1005 struct drm_encoder *encoder; 1006 const struct drm_encoder_helper_funcs *encoder_funcs; 1007 bool dret = false; 1008 enum drm_connector_status ret = connector_status_disconnected; 1009 int r; 1010 1011 if (!drm_kms_helper_is_poll_worker()) { 1012 r = pm_runtime_get_sync(connector->dev->dev); 1013 if (r < 0) { 1014 pm_runtime_put_autosuspend(connector->dev->dev); 1015 return connector_status_disconnected; 1016 } 1017 } 1018 1019 encoder = radeon_best_single_encoder(connector); 1020 if (!encoder) 1021 ret = connector_status_disconnected; 1022 1023 if (radeon_connector->ddc_bus) 1024 dret = radeon_ddc_probe(radeon_connector, false); 1025 if (dret) { 1026 radeon_connector->detected_by_load = false; 1027 radeon_connector_free_edid(connector); 1028 radeon_connector_get_edid(connector); 1029 1030 if (!radeon_connector->edid) { 1031 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n", 1032 connector->name); 1033 ret = connector_status_connected; 1034 } else { 1035 radeon_connector->use_digital = 1036 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL); 1037 1038 /* some oems have boards with separate digital and analog connectors 1039 * with a shared ddc line (often vga + hdmi) 1040 */ 1041 if (radeon_connector->use_digital && radeon_connector->shared_ddc) { 1042 radeon_connector_free_edid(connector); 1043 ret = connector_status_disconnected; 1044 } else { 1045 ret = connector_status_connected; 1046 } 1047 } 1048 } else { 1049 1050 /* if we aren't forcing don't do destructive polling */ 1051 if (!force) { 1052 /* only return the previous status if we last 1053 * detected a monitor via load. 1054 */ 1055 if (radeon_connector->detected_by_load) 1056 ret = connector->status; 1057 goto out; 1058 } 1059 1060 if (radeon_connector->dac_load_detect && encoder) { 1061 encoder_funcs = encoder->helper_private; 1062 ret = encoder_funcs->detect(encoder, connector); 1063 if (ret != connector_status_disconnected) 1064 radeon_connector->detected_by_load = true; 1065 } 1066 } 1067 1068 if (ret == connector_status_connected) 1069 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true); 1070 1071 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the 1072 * vbios to deal with KVMs. If we have one and are not able to detect a monitor 1073 * by other means, assume the CRT is connected and use that EDID. 1074 */ 1075 if ((!rdev->is_atom_bios) && 1076 (ret == connector_status_disconnected) && 1077 rdev->mode_info.bios_hardcoded_edid_size) { 1078 ret = connector_status_connected; 1079 } 1080 1081 radeon_connector_update_scratch_regs(connector, ret); 1082 1083 out: 1084 if (!drm_kms_helper_is_poll_worker()) { 1085 pm_runtime_mark_last_busy(connector->dev->dev); 1086 pm_runtime_put_autosuspend(connector->dev->dev); 1087 } 1088 1089 return ret; 1090 } 1091 1092 static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = { 1093 .get_modes = radeon_vga_get_modes, 1094 .mode_valid = radeon_vga_mode_valid, 1095 .best_encoder = radeon_best_single_encoder, 1096 }; 1097 1098 static const struct drm_connector_funcs radeon_vga_connector_funcs = { 1099 .dpms = drm_helper_connector_dpms, 1100 .detect = radeon_vga_detect, 1101 .fill_modes = drm_helper_probe_single_connector_modes, 1102 .early_unregister = radeon_connector_unregister, 1103 .destroy = radeon_connector_destroy, 1104 .set_property = radeon_connector_set_property, 1105 }; 1106 1107 static int radeon_tv_get_modes(struct drm_connector *connector) 1108 { 1109 struct drm_device *dev = connector->dev; 1110 struct radeon_device *rdev = dev->dev_private; 1111 struct drm_display_mode *tv_mode; 1112 struct drm_encoder *encoder; 1113 1114 encoder = radeon_best_single_encoder(connector); 1115 if (!encoder) 1116 return 0; 1117 1118 /* avivo chips can scale any mode */ 1119 if (rdev->family >= CHIP_RS600) 1120 /* add scaled modes */ 1121 radeon_add_common_modes(encoder, connector); 1122 else { 1123 /* only 800x600 is supported right now on pre-avivo chips */ 1124 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false); 1125 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; 1126 drm_mode_probed_add(connector, tv_mode); 1127 } 1128 return 1; 1129 } 1130 1131 static enum drm_mode_status radeon_tv_mode_valid(struct drm_connector *connector, 1132 struct drm_display_mode *mode) 1133 { 1134 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768)) 1135 return MODE_CLOCK_RANGE; 1136 return MODE_OK; 1137 } 1138 1139 static enum drm_connector_status 1140 radeon_tv_detect(struct drm_connector *connector, bool force) 1141 { 1142 struct drm_encoder *encoder; 1143 const struct drm_encoder_helper_funcs *encoder_funcs; 1144 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1145 enum drm_connector_status ret = connector_status_disconnected; 1146 int r; 1147 1148 if (!radeon_connector->dac_load_detect) 1149 return ret; 1150 1151 if (!drm_kms_helper_is_poll_worker()) { 1152 r = pm_runtime_get_sync(connector->dev->dev); 1153 if (r < 0) { 1154 pm_runtime_put_autosuspend(connector->dev->dev); 1155 return connector_status_disconnected; 1156 } 1157 } 1158 1159 encoder = radeon_best_single_encoder(connector); 1160 if (!encoder) 1161 ret = connector_status_disconnected; 1162 else { 1163 encoder_funcs = encoder->helper_private; 1164 ret = encoder_funcs->detect(encoder, connector); 1165 } 1166 if (ret == connector_status_connected) 1167 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false); 1168 radeon_connector_update_scratch_regs(connector, ret); 1169 1170 if (!drm_kms_helper_is_poll_worker()) { 1171 pm_runtime_mark_last_busy(connector->dev->dev); 1172 pm_runtime_put_autosuspend(connector->dev->dev); 1173 } 1174 1175 return ret; 1176 } 1177 1178 static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = { 1179 .get_modes = radeon_tv_get_modes, 1180 .mode_valid = radeon_tv_mode_valid, 1181 .best_encoder = radeon_best_single_encoder, 1182 }; 1183 1184 static const struct drm_connector_funcs radeon_tv_connector_funcs = { 1185 .dpms = drm_helper_connector_dpms, 1186 .detect = radeon_tv_detect, 1187 .fill_modes = drm_helper_probe_single_connector_modes, 1188 .early_unregister = radeon_connector_unregister, 1189 .destroy = radeon_connector_destroy, 1190 .set_property = radeon_connector_set_property, 1191 }; 1192 1193 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector) 1194 { 1195 struct drm_device *dev = connector->dev; 1196 struct radeon_device *rdev = dev->dev_private; 1197 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1198 enum drm_connector_status status; 1199 1200 /* We only trust HPD on R600 and newer ASICS. */ 1201 if (rdev->family >= CHIP_R600 1202 && radeon_connector->hpd.hpd != RADEON_HPD_NONE) { 1203 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) 1204 status = connector_status_connected; 1205 else 1206 status = connector_status_disconnected; 1207 if (connector->status == status) 1208 return true; 1209 } 1210 1211 return false; 1212 } 1213 1214 /* 1215 * DVI is complicated 1216 * Do a DDC probe, if DDC probe passes, get the full EDID so 1217 * we can do analog/digital monitor detection at this point. 1218 * If the monitor is an analog monitor or we got no DDC, 1219 * we need to find the DAC encoder object for this connector. 1220 * If we got no DDC, we do load detection on the DAC encoder object. 1221 * If we got analog DDC or load detection passes on the DAC encoder 1222 * we have to check if this analog encoder is shared with anyone else (TV) 1223 * if its shared we have to set the other connector to disconnected. 1224 */ 1225 static enum drm_connector_status 1226 radeon_dvi_detect(struct drm_connector *connector, bool force) 1227 { 1228 struct drm_device *dev = connector->dev; 1229 struct radeon_device *rdev = dev->dev_private; 1230 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1231 struct drm_encoder *encoder = NULL; 1232 const struct drm_encoder_helper_funcs *encoder_funcs; 1233 int r; 1234 enum drm_connector_status ret = connector_status_disconnected; 1235 bool dret = false, broken_edid = false; 1236 1237 if (!drm_kms_helper_is_poll_worker()) { 1238 r = pm_runtime_get_sync(connector->dev->dev); 1239 if (r < 0) { 1240 pm_runtime_put_autosuspend(connector->dev->dev); 1241 return connector_status_disconnected; 1242 } 1243 } 1244 1245 if (radeon_connector->detected_hpd_without_ddc) { 1246 force = true; 1247 radeon_connector->detected_hpd_without_ddc = false; 1248 } 1249 1250 if (!force && radeon_check_hpd_status_unchanged(connector)) { 1251 ret = connector->status; 1252 goto exit; 1253 } 1254 1255 if (radeon_connector->ddc_bus) { 1256 dret = radeon_ddc_probe(radeon_connector, false); 1257 1258 /* Sometimes the pins required for the DDC probe on DVI 1259 * connectors don't make contact at the same time that the ones 1260 * for HPD do. If the DDC probe fails even though we had an HPD 1261 * signal, try again later */ 1262 if (!dret && !force && 1263 connector->status != connector_status_connected) { 1264 DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n"); 1265 radeon_connector->detected_hpd_without_ddc = true; 1266 schedule_delayed_work(&rdev->hotplug_work, 1267 msecs_to_jiffies(1000)); 1268 goto exit; 1269 } 1270 } 1271 if (dret) { 1272 radeon_connector->detected_by_load = false; 1273 radeon_connector_free_edid(connector); 1274 radeon_connector_get_edid(connector); 1275 1276 if (!radeon_connector->edid) { 1277 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n", 1278 connector->name); 1279 /* rs690 seems to have a problem with connectors not existing and always 1280 * return a block of 0's. If we see this just stop polling on this output */ 1281 if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && 1282 radeon_connector->base.null_edid_counter) { 1283 ret = connector_status_disconnected; 1284 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", 1285 connector->name); 1286 radeon_connector->ddc_bus = NULL; 1287 } else { 1288 ret = connector_status_connected; 1289 broken_edid = true; /* defer use_digital to later */ 1290 } 1291 } else { 1292 radeon_connector->use_digital = 1293 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL); 1294 1295 /* some oems have boards with separate digital and analog connectors 1296 * with a shared ddc line (often vga + hdmi) 1297 */ 1298 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) { 1299 radeon_connector_free_edid(connector); 1300 ret = connector_status_disconnected; 1301 } else { 1302 ret = connector_status_connected; 1303 } 1304 /* This gets complicated. We have boards with VGA + HDMI with a 1305 * shared DDC line and we have boards with DVI-D + HDMI with a shared 1306 * DDC line. The latter is more complex because with DVI<->HDMI adapters 1307 * you don't really know what's connected to which port as both are digital. 1308 */ 1309 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) { 1310 struct drm_connector *list_connector; 1311 struct radeon_connector *list_radeon_connector; 1312 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) { 1313 if (connector == list_connector) 1314 continue; 1315 list_radeon_connector = to_radeon_connector(list_connector); 1316 if (list_radeon_connector->shared_ddc && 1317 (list_radeon_connector->ddc_bus->rec.i2c_id == 1318 radeon_connector->ddc_bus->rec.i2c_id)) { 1319 /* cases where both connectors are digital */ 1320 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) { 1321 /* hpd is our only option in this case */ 1322 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { 1323 radeon_connector_free_edid(connector); 1324 ret = connector_status_disconnected; 1325 } 1326 } 1327 } 1328 } 1329 } 1330 } 1331 } 1332 1333 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true)) 1334 goto out; 1335 1336 /* DVI-D and HDMI-A are digital only */ 1337 if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) || 1338 (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA)) 1339 goto out; 1340 1341 /* if we aren't forcing don't do destructive polling */ 1342 if (!force) { 1343 /* only return the previous status if we last 1344 * detected a monitor via load. 1345 */ 1346 if (radeon_connector->detected_by_load) 1347 ret = connector->status; 1348 goto out; 1349 } 1350 1351 /* find analog encoder */ 1352 if (radeon_connector->dac_load_detect) { 1353 drm_connector_for_each_possible_encoder(connector, encoder) { 1354 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC && 1355 encoder->encoder_type != DRM_MODE_ENCODER_TVDAC) 1356 continue; 1357 1358 encoder_funcs = encoder->helper_private; 1359 if (encoder_funcs->detect) { 1360 if (!broken_edid) { 1361 if (ret != connector_status_connected) { 1362 /* deal with analog monitors without DDC */ 1363 ret = encoder_funcs->detect(encoder, connector); 1364 if (ret == connector_status_connected) { 1365 radeon_connector->use_digital = false; 1366 } 1367 if (ret != connector_status_disconnected) 1368 radeon_connector->detected_by_load = true; 1369 } 1370 } else { 1371 enum drm_connector_status lret; 1372 /* assume digital unless load detected otherwise */ 1373 radeon_connector->use_digital = true; 1374 lret = encoder_funcs->detect(encoder, connector); 1375 DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret); 1376 if (lret == connector_status_connected) 1377 radeon_connector->use_digital = false; 1378 } 1379 break; 1380 } 1381 } 1382 } 1383 1384 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) && 1385 encoder) { 1386 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true); 1387 } 1388 1389 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the 1390 * vbios to deal with KVMs. If we have one and are not able to detect a monitor 1391 * by other means, assume the DFP is connected and use that EDID. In most 1392 * cases the DVI port is actually a virtual KVM port connected to the service 1393 * processor. 1394 */ 1395 out: 1396 if ((!rdev->is_atom_bios) && 1397 (ret == connector_status_disconnected) && 1398 rdev->mode_info.bios_hardcoded_edid_size) { 1399 radeon_connector->use_digital = true; 1400 ret = connector_status_connected; 1401 } 1402 1403 /* updated in get modes as well since we need to know if it's analog or digital */ 1404 radeon_connector_update_scratch_regs(connector, ret); 1405 1406 if ((radeon_audio != 0) && radeon_connector->use_digital) { 1407 const struct drm_connector_helper_funcs *connector_funcs = 1408 connector->helper_private; 1409 1410 encoder = connector_funcs->best_encoder(connector); 1411 if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) { 1412 radeon_connector_get_edid(connector); 1413 radeon_audio_detect(connector, encoder, ret); 1414 } 1415 } 1416 1417 exit: 1418 if (!drm_kms_helper_is_poll_worker()) { 1419 pm_runtime_mark_last_busy(connector->dev->dev); 1420 pm_runtime_put_autosuspend(connector->dev->dev); 1421 } 1422 1423 return ret; 1424 } 1425 1426 /* okay need to be smart in here about which encoder to pick */ 1427 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector) 1428 { 1429 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1430 struct drm_encoder *encoder; 1431 1432 drm_connector_for_each_possible_encoder(connector, encoder) { 1433 if (radeon_connector->use_digital == true) { 1434 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS) 1435 return encoder; 1436 } else { 1437 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC || 1438 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC) 1439 return encoder; 1440 } 1441 } 1442 1443 /* see if we have a default encoder TODO */ 1444 1445 /* then check use digitial */ 1446 /* pick the first one */ 1447 drm_connector_for_each_possible_encoder(connector, encoder) 1448 return encoder; 1449 1450 return NULL; 1451 } 1452 1453 static void radeon_dvi_force(struct drm_connector *connector) 1454 { 1455 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1456 if (connector->force == DRM_FORCE_ON) 1457 radeon_connector->use_digital = false; 1458 if (connector->force == DRM_FORCE_ON_DIGITAL) 1459 radeon_connector->use_digital = true; 1460 } 1461 1462 static enum drm_mode_status radeon_dvi_mode_valid(struct drm_connector *connector, 1463 struct drm_display_mode *mode) 1464 { 1465 struct drm_device *dev = connector->dev; 1466 struct radeon_device *rdev = dev->dev_private; 1467 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1468 1469 /* XXX check mode bandwidth */ 1470 1471 /* clocks over 135 MHz have heat issues with DVI on RV100 */ 1472 if (radeon_connector->use_digital && 1473 (rdev->family == CHIP_RV100) && 1474 (mode->clock > 135000)) 1475 return MODE_CLOCK_HIGH; 1476 1477 if (radeon_connector->use_digital && (mode->clock > 165000)) { 1478 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) || 1479 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) || 1480 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B)) 1481 return MODE_OK; 1482 else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 1483 /* HDMI 1.3+ supports max clock of 340 Mhz */ 1484 if (mode->clock > 340000) 1485 return MODE_CLOCK_HIGH; 1486 else 1487 return MODE_OK; 1488 } else { 1489 return MODE_CLOCK_HIGH; 1490 } 1491 } 1492 1493 /* check against the max pixel clock */ 1494 if ((mode->clock / 10) > rdev->clock.max_pixel_clock) 1495 return MODE_CLOCK_HIGH; 1496 1497 return MODE_OK; 1498 } 1499 1500 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = { 1501 .get_modes = radeon_vga_get_modes, 1502 .mode_valid = radeon_dvi_mode_valid, 1503 .best_encoder = radeon_dvi_encoder, 1504 }; 1505 1506 static const struct drm_connector_funcs radeon_dvi_connector_funcs = { 1507 .dpms = drm_helper_connector_dpms, 1508 .detect = radeon_dvi_detect, 1509 .fill_modes = drm_helper_probe_single_connector_modes, 1510 .set_property = radeon_connector_set_property, 1511 .early_unregister = radeon_connector_unregister, 1512 .destroy = radeon_connector_destroy, 1513 .force = radeon_dvi_force, 1514 }; 1515 1516 static int radeon_dp_get_modes(struct drm_connector *connector) 1517 { 1518 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1519 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1520 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1521 int ret; 1522 1523 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1524 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1525 struct drm_display_mode *mode; 1526 1527 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) { 1528 if (!radeon_dig_connector->edp_on) 1529 atombios_set_edp_panel_power(connector, 1530 ATOM_TRANSMITTER_ACTION_POWER_ON); 1531 radeon_connector_get_edid(connector); 1532 ret = radeon_ddc_get_modes(connector); 1533 if (!radeon_dig_connector->edp_on) 1534 atombios_set_edp_panel_power(connector, 1535 ATOM_TRANSMITTER_ACTION_POWER_OFF); 1536 } else { 1537 /* need to setup ddc on the bridge */ 1538 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1539 ENCODER_OBJECT_ID_NONE) { 1540 if (encoder) 1541 radeon_atom_ext_encoder_setup_ddc(encoder); 1542 } 1543 radeon_connector_get_edid(connector); 1544 ret = radeon_ddc_get_modes(connector); 1545 } 1546 1547 if (ret > 0) { 1548 if (encoder) { 1549 radeon_fixup_lvds_native_mode(encoder, connector); 1550 /* add scaled modes */ 1551 radeon_add_common_modes(encoder, connector); 1552 } 1553 return ret; 1554 } 1555 1556 if (!encoder) 1557 return 0; 1558 1559 /* we have no EDID modes */ 1560 mode = radeon_fp_native_mode(encoder); 1561 if (mode) { 1562 ret = 1; 1563 drm_mode_probed_add(connector, mode); 1564 /* add the width/height from vbios tables if available */ 1565 connector->display_info.width_mm = mode->width_mm; 1566 connector->display_info.height_mm = mode->height_mm; 1567 /* add scaled modes */ 1568 radeon_add_common_modes(encoder, connector); 1569 } 1570 } else { 1571 /* need to setup ddc on the bridge */ 1572 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1573 ENCODER_OBJECT_ID_NONE) { 1574 if (encoder) 1575 radeon_atom_ext_encoder_setup_ddc(encoder); 1576 } 1577 radeon_connector_get_edid(connector); 1578 ret = radeon_ddc_get_modes(connector); 1579 1580 radeon_get_native_mode(connector); 1581 } 1582 1583 return ret; 1584 } 1585 1586 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector) 1587 { 1588 struct drm_encoder *encoder; 1589 struct radeon_encoder *radeon_encoder; 1590 1591 drm_connector_for_each_possible_encoder(connector, encoder) { 1592 radeon_encoder = to_radeon_encoder(encoder); 1593 1594 switch (radeon_encoder->encoder_id) { 1595 case ENCODER_OBJECT_ID_TRAVIS: 1596 case ENCODER_OBJECT_ID_NUTMEG: 1597 return radeon_encoder->encoder_id; 1598 default: 1599 break; 1600 } 1601 } 1602 1603 return ENCODER_OBJECT_ID_NONE; 1604 } 1605 1606 static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector) 1607 { 1608 struct drm_encoder *encoder; 1609 struct radeon_encoder *radeon_encoder; 1610 bool found = false; 1611 1612 drm_connector_for_each_possible_encoder(connector, encoder) { 1613 radeon_encoder = to_radeon_encoder(encoder); 1614 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2) 1615 found = true; 1616 } 1617 1618 return found; 1619 } 1620 1621 bool radeon_connector_is_dp12_capable(struct drm_connector *connector) 1622 { 1623 struct drm_device *dev = connector->dev; 1624 struct radeon_device *rdev = dev->dev_private; 1625 1626 if (ASIC_IS_DCE5(rdev) && 1627 (rdev->clock.default_dispclk >= 53900) && 1628 radeon_connector_encoder_is_hbr2(connector)) { 1629 return true; 1630 } 1631 1632 return false; 1633 } 1634 1635 static enum drm_connector_status 1636 radeon_dp_detect(struct drm_connector *connector, bool force) 1637 { 1638 struct drm_device *dev = connector->dev; 1639 struct radeon_device *rdev = dev->dev_private; 1640 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1641 enum drm_connector_status ret = connector_status_disconnected; 1642 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1643 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1644 int r; 1645 1646 if (!drm_kms_helper_is_poll_worker()) { 1647 r = pm_runtime_get_sync(connector->dev->dev); 1648 if (r < 0) { 1649 pm_runtime_put_autosuspend(connector->dev->dev); 1650 return connector_status_disconnected; 1651 } 1652 } 1653 1654 if (!force && radeon_check_hpd_status_unchanged(connector)) { 1655 ret = connector->status; 1656 goto out; 1657 } 1658 1659 radeon_connector_free_edid(connector); 1660 1661 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1662 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1663 if (encoder) { 1664 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 1665 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 1666 1667 /* check if panel is valid */ 1668 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240) 1669 ret = connector_status_connected; 1670 /* don't fetch the edid from the vbios if ddc fails and runpm is 1671 * enabled so we report disconnected. 1672 */ 1673 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0)) 1674 ret = connector_status_disconnected; 1675 } 1676 /* eDP is always DP */ 1677 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; 1678 if (!radeon_dig_connector->edp_on) 1679 atombios_set_edp_panel_power(connector, 1680 ATOM_TRANSMITTER_ACTION_POWER_ON); 1681 if (radeon_dp_getdpcd(radeon_connector)) 1682 ret = connector_status_connected; 1683 if (!radeon_dig_connector->edp_on) 1684 atombios_set_edp_panel_power(connector, 1685 ATOM_TRANSMITTER_ACTION_POWER_OFF); 1686 } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1687 ENCODER_OBJECT_ID_NONE) { 1688 /* DP bridges are always DP */ 1689 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; 1690 /* get the DPCD from the bridge */ 1691 radeon_dp_getdpcd(radeon_connector); 1692 1693 if (encoder) { 1694 /* setup ddc on the bridge */ 1695 radeon_atom_ext_encoder_setup_ddc(encoder); 1696 /* bridge chips are always aux */ 1697 if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */ 1698 ret = connector_status_connected; 1699 else if (radeon_connector->dac_load_detect) { /* try load detection */ 1700 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private; 1701 ret = encoder_funcs->detect(encoder, connector); 1702 } 1703 } 1704 } else { 1705 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector); 1706 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { 1707 ret = connector_status_connected; 1708 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) 1709 radeon_dp_getdpcd(radeon_connector); 1710 } else { 1711 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) { 1712 if (radeon_dp_getdpcd(radeon_connector)) 1713 ret = connector_status_connected; 1714 } else { 1715 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */ 1716 if (radeon_ddc_probe(radeon_connector, false)) 1717 ret = connector_status_connected; 1718 } 1719 } 1720 } 1721 1722 radeon_connector_update_scratch_regs(connector, ret); 1723 1724 if ((radeon_audio != 0) && encoder) { 1725 radeon_connector_get_edid(connector); 1726 radeon_audio_detect(connector, encoder, ret); 1727 } 1728 1729 out: 1730 if (!drm_kms_helper_is_poll_worker()) { 1731 pm_runtime_mark_last_busy(connector->dev->dev); 1732 pm_runtime_put_autosuspend(connector->dev->dev); 1733 } 1734 1735 return ret; 1736 } 1737 1738 static enum drm_mode_status radeon_dp_mode_valid(struct drm_connector *connector, 1739 struct drm_display_mode *mode) 1740 { 1741 struct drm_device *dev = connector->dev; 1742 struct radeon_device *rdev = dev->dev_private; 1743 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1744 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1745 1746 /* XXX check mode bandwidth */ 1747 1748 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1749 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1750 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1751 1752 if ((mode->hdisplay < 320) || (mode->vdisplay < 240)) 1753 return MODE_PANEL; 1754 1755 if (encoder) { 1756 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 1757 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 1758 1759 /* AVIVO hardware supports downscaling modes larger than the panel 1760 * to the panel size, but I'm not sure this is desirable. 1761 */ 1762 if ((mode->hdisplay > native_mode->hdisplay) || 1763 (mode->vdisplay > native_mode->vdisplay)) 1764 return MODE_PANEL; 1765 1766 /* if scaling is disabled, block non-native modes */ 1767 if (radeon_encoder->rmx_type == RMX_OFF) { 1768 if ((mode->hdisplay != native_mode->hdisplay) || 1769 (mode->vdisplay != native_mode->vdisplay)) 1770 return MODE_PANEL; 1771 } 1772 } 1773 } else { 1774 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 1775 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) { 1776 return radeon_dp_mode_valid_helper(connector, mode); 1777 } else { 1778 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 1779 /* HDMI 1.3+ supports max clock of 340 Mhz */ 1780 if (mode->clock > 340000) 1781 return MODE_CLOCK_HIGH; 1782 } else { 1783 if (mode->clock > 165000) 1784 return MODE_CLOCK_HIGH; 1785 } 1786 } 1787 } 1788 1789 return MODE_OK; 1790 } 1791 1792 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = { 1793 .get_modes = radeon_dp_get_modes, 1794 .mode_valid = radeon_dp_mode_valid, 1795 .best_encoder = radeon_dvi_encoder, 1796 }; 1797 1798 static const struct drm_connector_funcs radeon_dp_connector_funcs = { 1799 .dpms = drm_helper_connector_dpms, 1800 .detect = radeon_dp_detect, 1801 .fill_modes = drm_helper_probe_single_connector_modes, 1802 .set_property = radeon_connector_set_property, 1803 .early_unregister = radeon_connector_unregister, 1804 .destroy = radeon_connector_destroy, 1805 .force = radeon_dvi_force, 1806 }; 1807 1808 static const struct drm_connector_funcs radeon_edp_connector_funcs = { 1809 .dpms = drm_helper_connector_dpms, 1810 .detect = radeon_dp_detect, 1811 .fill_modes = drm_helper_probe_single_connector_modes, 1812 .set_property = radeon_lvds_set_property, 1813 .early_unregister = radeon_connector_unregister, 1814 .destroy = radeon_connector_destroy, 1815 .force = radeon_dvi_force, 1816 }; 1817 1818 static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = { 1819 .dpms = drm_helper_connector_dpms, 1820 .detect = radeon_dp_detect, 1821 .fill_modes = drm_helper_probe_single_connector_modes, 1822 .set_property = radeon_lvds_set_property, 1823 .early_unregister = radeon_connector_unregister, 1824 .destroy = radeon_connector_destroy, 1825 .force = radeon_dvi_force, 1826 }; 1827 1828 void 1829 radeon_add_atom_connector(struct drm_device *dev, 1830 uint32_t connector_id, 1831 uint32_t supported_device, 1832 int connector_type, 1833 struct radeon_i2c_bus_rec *i2c_bus, 1834 uint32_t igp_lane_info, 1835 uint16_t connector_object_id, 1836 struct radeon_hpd *hpd, 1837 struct radeon_router *router) 1838 { 1839 struct radeon_device *rdev = dev->dev_private; 1840 struct drm_connector *connector; 1841 struct radeon_connector *radeon_connector; 1842 struct radeon_connector_atom_dig *radeon_dig_connector; 1843 struct drm_encoder *encoder; 1844 struct radeon_encoder *radeon_encoder; 1845 struct i2c_adapter *ddc = NULL; 1846 uint32_t subpixel_order = SubPixelNone; 1847 bool shared_ddc = false; 1848 bool is_dp_bridge = false; 1849 bool has_aux = false; 1850 1851 if (connector_type == DRM_MODE_CONNECTOR_Unknown) 1852 return; 1853 1854 /* if the user selected tv=0 don't try and add the connector */ 1855 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) || 1856 (connector_type == DRM_MODE_CONNECTOR_Composite) || 1857 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) && 1858 (radeon_tv == 0)) 1859 return; 1860 1861 /* see if we already added it */ 1862 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 1863 radeon_connector = to_radeon_connector(connector); 1864 if (radeon_connector->connector_id == connector_id) { 1865 radeon_connector->devices |= supported_device; 1866 return; 1867 } 1868 if (radeon_connector->ddc_bus && i2c_bus->valid) { 1869 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) { 1870 radeon_connector->shared_ddc = true; 1871 shared_ddc = true; 1872 } 1873 if (radeon_connector->router_bus && router->ddc_valid && 1874 (radeon_connector->router.router_id == router->router_id)) { 1875 radeon_connector->shared_ddc = false; 1876 shared_ddc = false; 1877 } 1878 } 1879 } 1880 1881 /* check if it's a dp bridge */ 1882 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 1883 radeon_encoder = to_radeon_encoder(encoder); 1884 if (radeon_encoder->devices & supported_device) { 1885 switch (radeon_encoder->encoder_id) { 1886 case ENCODER_OBJECT_ID_TRAVIS: 1887 case ENCODER_OBJECT_ID_NUTMEG: 1888 is_dp_bridge = true; 1889 break; 1890 default: 1891 break; 1892 } 1893 } 1894 } 1895 1896 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL); 1897 if (!radeon_connector) 1898 return; 1899 1900 connector = &radeon_connector->base; 1901 1902 radeon_connector->connector_id = connector_id; 1903 radeon_connector->devices = supported_device; 1904 radeon_connector->shared_ddc = shared_ddc; 1905 radeon_connector->connector_object_id = connector_object_id; 1906 radeon_connector->hpd = *hpd; 1907 1908 radeon_connector->router = *router; 1909 if (router->ddc_valid || router->cd_valid) { 1910 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info); 1911 if (!radeon_connector->router_bus) 1912 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n"); 1913 } 1914 1915 if (is_dp_bridge) { 1916 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1917 if (!radeon_dig_connector) 1918 goto failed; 1919 radeon_dig_connector->igp_lane_info = igp_lane_info; 1920 radeon_connector->con_priv = radeon_dig_connector; 1921 if (i2c_bus->valid) { 1922 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1923 if (radeon_connector->ddc_bus) { 1924 has_aux = true; 1925 ddc = &radeon_connector->ddc_bus->adapter; 1926 } else { 1927 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1928 } 1929 } 1930 switch (connector_type) { 1931 case DRM_MODE_CONNECTOR_VGA: 1932 case DRM_MODE_CONNECTOR_DVIA: 1933 default: 1934 drm_connector_init_with_ddc(dev, &radeon_connector->base, 1935 &radeon_dp_connector_funcs, 1936 connector_type, 1937 ddc); 1938 drm_connector_helper_add(&radeon_connector->base, 1939 &radeon_dp_connector_helper_funcs); 1940 connector->interlace_allowed = true; 1941 connector->doublescan_allowed = true; 1942 radeon_connector->dac_load_detect = true; 1943 drm_object_attach_property(&radeon_connector->base.base, 1944 rdev->mode_info.load_detect_property, 1945 1); 1946 drm_object_attach_property(&radeon_connector->base.base, 1947 dev->mode_config.scaling_mode_property, 1948 DRM_MODE_SCALE_NONE); 1949 if (ASIC_IS_DCE5(rdev)) 1950 drm_object_attach_property(&radeon_connector->base.base, 1951 rdev->mode_info.output_csc_property, 1952 RADEON_OUTPUT_CSC_BYPASS); 1953 break; 1954 case DRM_MODE_CONNECTOR_DVII: 1955 case DRM_MODE_CONNECTOR_DVID: 1956 case DRM_MODE_CONNECTOR_HDMIA: 1957 case DRM_MODE_CONNECTOR_HDMIB: 1958 case DRM_MODE_CONNECTOR_DisplayPort: 1959 drm_connector_init_with_ddc(dev, &radeon_connector->base, 1960 &radeon_dp_connector_funcs, 1961 connector_type, 1962 ddc); 1963 drm_connector_helper_add(&radeon_connector->base, 1964 &radeon_dp_connector_helper_funcs); 1965 drm_object_attach_property(&radeon_connector->base.base, 1966 rdev->mode_info.underscan_property, 1967 UNDERSCAN_OFF); 1968 drm_object_attach_property(&radeon_connector->base.base, 1969 rdev->mode_info.underscan_hborder_property, 1970 0); 1971 drm_object_attach_property(&radeon_connector->base.base, 1972 rdev->mode_info.underscan_vborder_property, 1973 0); 1974 1975 drm_object_attach_property(&radeon_connector->base.base, 1976 dev->mode_config.scaling_mode_property, 1977 DRM_MODE_SCALE_NONE); 1978 1979 drm_object_attach_property(&radeon_connector->base.base, 1980 rdev->mode_info.dither_property, 1981 RADEON_FMT_DITHER_DISABLE); 1982 1983 if (radeon_audio != 0) { 1984 drm_object_attach_property(&radeon_connector->base.base, 1985 rdev->mode_info.audio_property, 1986 RADEON_AUDIO_AUTO); 1987 radeon_connector->audio = RADEON_AUDIO_AUTO; 1988 } 1989 if (ASIC_IS_DCE5(rdev)) 1990 drm_object_attach_property(&radeon_connector->base.base, 1991 rdev->mode_info.output_csc_property, 1992 RADEON_OUTPUT_CSC_BYPASS); 1993 1994 subpixel_order = SubPixelHorizontalRGB; 1995 connector->interlace_allowed = true; 1996 if (connector_type == DRM_MODE_CONNECTOR_HDMIB) 1997 connector->doublescan_allowed = true; 1998 else 1999 connector->doublescan_allowed = false; 2000 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 2001 radeon_connector->dac_load_detect = true; 2002 drm_object_attach_property(&radeon_connector->base.base, 2003 rdev->mode_info.load_detect_property, 2004 1); 2005 } 2006 break; 2007 case DRM_MODE_CONNECTOR_LVDS: 2008 case DRM_MODE_CONNECTOR_eDP: 2009 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2010 &radeon_lvds_bridge_connector_funcs, 2011 connector_type, 2012 ddc); 2013 drm_connector_helper_add(&radeon_connector->base, 2014 &radeon_dp_connector_helper_funcs); 2015 drm_object_attach_property(&radeon_connector->base.base, 2016 dev->mode_config.scaling_mode_property, 2017 DRM_MODE_SCALE_FULLSCREEN); 2018 subpixel_order = SubPixelHorizontalRGB; 2019 connector->interlace_allowed = false; 2020 connector->doublescan_allowed = false; 2021 break; 2022 } 2023 } else { 2024 switch (connector_type) { 2025 case DRM_MODE_CONNECTOR_VGA: 2026 if (i2c_bus->valid) { 2027 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2028 if (!radeon_connector->ddc_bus) 2029 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2030 else 2031 ddc = &radeon_connector->ddc_bus->adapter; 2032 } 2033 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2034 &radeon_vga_connector_funcs, 2035 connector_type, 2036 ddc); 2037 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2038 radeon_connector->dac_load_detect = true; 2039 drm_object_attach_property(&radeon_connector->base.base, 2040 rdev->mode_info.load_detect_property, 2041 1); 2042 if (ASIC_IS_AVIVO(rdev)) 2043 drm_object_attach_property(&radeon_connector->base.base, 2044 dev->mode_config.scaling_mode_property, 2045 DRM_MODE_SCALE_NONE); 2046 if (ASIC_IS_DCE5(rdev)) 2047 drm_object_attach_property(&radeon_connector->base.base, 2048 rdev->mode_info.output_csc_property, 2049 RADEON_OUTPUT_CSC_BYPASS); 2050 /* no HPD on analog connectors */ 2051 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2052 connector->interlace_allowed = true; 2053 connector->doublescan_allowed = true; 2054 break; 2055 case DRM_MODE_CONNECTOR_DVIA: 2056 if (i2c_bus->valid) { 2057 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2058 if (!radeon_connector->ddc_bus) 2059 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2060 else 2061 ddc = &radeon_connector->ddc_bus->adapter; 2062 } 2063 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2064 &radeon_vga_connector_funcs, 2065 connector_type, 2066 ddc); 2067 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2068 radeon_connector->dac_load_detect = true; 2069 drm_object_attach_property(&radeon_connector->base.base, 2070 rdev->mode_info.load_detect_property, 2071 1); 2072 if (ASIC_IS_AVIVO(rdev)) 2073 drm_object_attach_property(&radeon_connector->base.base, 2074 dev->mode_config.scaling_mode_property, 2075 DRM_MODE_SCALE_NONE); 2076 if (ASIC_IS_DCE5(rdev)) 2077 drm_object_attach_property(&radeon_connector->base.base, 2078 rdev->mode_info.output_csc_property, 2079 RADEON_OUTPUT_CSC_BYPASS); 2080 /* no HPD on analog connectors */ 2081 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2082 connector->interlace_allowed = true; 2083 connector->doublescan_allowed = true; 2084 break; 2085 case DRM_MODE_CONNECTOR_DVII: 2086 case DRM_MODE_CONNECTOR_DVID: 2087 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2088 if (!radeon_dig_connector) 2089 goto failed; 2090 radeon_dig_connector->igp_lane_info = igp_lane_info; 2091 radeon_connector->con_priv = radeon_dig_connector; 2092 if (i2c_bus->valid) { 2093 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2094 if (!radeon_connector->ddc_bus) 2095 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2096 else 2097 ddc = &radeon_connector->ddc_bus->adapter; 2098 } 2099 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2100 &radeon_dvi_connector_funcs, 2101 connector_type, 2102 ddc); 2103 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 2104 subpixel_order = SubPixelHorizontalRGB; 2105 drm_object_attach_property(&radeon_connector->base.base, 2106 rdev->mode_info.coherent_mode_property, 2107 1); 2108 if (ASIC_IS_AVIVO(rdev)) { 2109 drm_object_attach_property(&radeon_connector->base.base, 2110 rdev->mode_info.underscan_property, 2111 UNDERSCAN_OFF); 2112 drm_object_attach_property(&radeon_connector->base.base, 2113 rdev->mode_info.underscan_hborder_property, 2114 0); 2115 drm_object_attach_property(&radeon_connector->base.base, 2116 rdev->mode_info.underscan_vborder_property, 2117 0); 2118 drm_object_attach_property(&radeon_connector->base.base, 2119 rdev->mode_info.dither_property, 2120 RADEON_FMT_DITHER_DISABLE); 2121 drm_object_attach_property(&radeon_connector->base.base, 2122 dev->mode_config.scaling_mode_property, 2123 DRM_MODE_SCALE_NONE); 2124 } 2125 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) { 2126 drm_object_attach_property(&radeon_connector->base.base, 2127 rdev->mode_info.audio_property, 2128 RADEON_AUDIO_AUTO); 2129 radeon_connector->audio = RADEON_AUDIO_AUTO; 2130 } 2131 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 2132 radeon_connector->dac_load_detect = true; 2133 drm_object_attach_property(&radeon_connector->base.base, 2134 rdev->mode_info.load_detect_property, 2135 1); 2136 } 2137 if (ASIC_IS_DCE5(rdev)) 2138 drm_object_attach_property(&radeon_connector->base.base, 2139 rdev->mode_info.output_csc_property, 2140 RADEON_OUTPUT_CSC_BYPASS); 2141 connector->interlace_allowed = true; 2142 if (connector_type == DRM_MODE_CONNECTOR_DVII) 2143 connector->doublescan_allowed = true; 2144 else 2145 connector->doublescan_allowed = false; 2146 break; 2147 case DRM_MODE_CONNECTOR_HDMIA: 2148 case DRM_MODE_CONNECTOR_HDMIB: 2149 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2150 if (!radeon_dig_connector) 2151 goto failed; 2152 radeon_dig_connector->igp_lane_info = igp_lane_info; 2153 radeon_connector->con_priv = radeon_dig_connector; 2154 if (i2c_bus->valid) { 2155 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2156 if (!radeon_connector->ddc_bus) 2157 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2158 else 2159 ddc = &radeon_connector->ddc_bus->adapter; 2160 } 2161 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2162 &radeon_dvi_connector_funcs, 2163 connector_type, 2164 ddc); 2165 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 2166 drm_object_attach_property(&radeon_connector->base.base, 2167 rdev->mode_info.coherent_mode_property, 2168 1); 2169 if (ASIC_IS_AVIVO(rdev)) { 2170 drm_object_attach_property(&radeon_connector->base.base, 2171 rdev->mode_info.underscan_property, 2172 UNDERSCAN_OFF); 2173 drm_object_attach_property(&radeon_connector->base.base, 2174 rdev->mode_info.underscan_hborder_property, 2175 0); 2176 drm_object_attach_property(&radeon_connector->base.base, 2177 rdev->mode_info.underscan_vborder_property, 2178 0); 2179 drm_object_attach_property(&radeon_connector->base.base, 2180 rdev->mode_info.dither_property, 2181 RADEON_FMT_DITHER_DISABLE); 2182 drm_object_attach_property(&radeon_connector->base.base, 2183 dev->mode_config.scaling_mode_property, 2184 DRM_MODE_SCALE_NONE); 2185 } 2186 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) { 2187 drm_object_attach_property(&radeon_connector->base.base, 2188 rdev->mode_info.audio_property, 2189 RADEON_AUDIO_AUTO); 2190 radeon_connector->audio = RADEON_AUDIO_AUTO; 2191 } 2192 if (ASIC_IS_DCE5(rdev)) 2193 drm_object_attach_property(&radeon_connector->base.base, 2194 rdev->mode_info.output_csc_property, 2195 RADEON_OUTPUT_CSC_BYPASS); 2196 subpixel_order = SubPixelHorizontalRGB; 2197 connector->interlace_allowed = true; 2198 if (connector_type == DRM_MODE_CONNECTOR_HDMIB) 2199 connector->doublescan_allowed = true; 2200 else 2201 connector->doublescan_allowed = false; 2202 break; 2203 case DRM_MODE_CONNECTOR_DisplayPort: 2204 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2205 if (!radeon_dig_connector) 2206 goto failed; 2207 radeon_dig_connector->igp_lane_info = igp_lane_info; 2208 radeon_connector->con_priv = radeon_dig_connector; 2209 if (i2c_bus->valid) { 2210 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2211 if (radeon_connector->ddc_bus) { 2212 has_aux = true; 2213 ddc = &radeon_connector->ddc_bus->adapter; 2214 } else { 2215 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2216 } 2217 } 2218 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2219 &radeon_dp_connector_funcs, 2220 connector_type, 2221 ddc); 2222 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); 2223 subpixel_order = SubPixelHorizontalRGB; 2224 drm_object_attach_property(&radeon_connector->base.base, 2225 rdev->mode_info.coherent_mode_property, 2226 1); 2227 if (ASIC_IS_AVIVO(rdev)) { 2228 drm_object_attach_property(&radeon_connector->base.base, 2229 rdev->mode_info.underscan_property, 2230 UNDERSCAN_OFF); 2231 drm_object_attach_property(&radeon_connector->base.base, 2232 rdev->mode_info.underscan_hborder_property, 2233 0); 2234 drm_object_attach_property(&radeon_connector->base.base, 2235 rdev->mode_info.underscan_vborder_property, 2236 0); 2237 drm_object_attach_property(&radeon_connector->base.base, 2238 rdev->mode_info.dither_property, 2239 RADEON_FMT_DITHER_DISABLE); 2240 drm_object_attach_property(&radeon_connector->base.base, 2241 dev->mode_config.scaling_mode_property, 2242 DRM_MODE_SCALE_NONE); 2243 } 2244 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) { 2245 drm_object_attach_property(&radeon_connector->base.base, 2246 rdev->mode_info.audio_property, 2247 RADEON_AUDIO_AUTO); 2248 radeon_connector->audio = RADEON_AUDIO_AUTO; 2249 } 2250 if (ASIC_IS_DCE5(rdev)) 2251 drm_object_attach_property(&radeon_connector->base.base, 2252 rdev->mode_info.output_csc_property, 2253 RADEON_OUTPUT_CSC_BYPASS); 2254 connector->interlace_allowed = true; 2255 /* in theory with a DP to VGA converter... */ 2256 connector->doublescan_allowed = false; 2257 break; 2258 case DRM_MODE_CONNECTOR_eDP: 2259 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2260 if (!radeon_dig_connector) 2261 goto failed; 2262 radeon_dig_connector->igp_lane_info = igp_lane_info; 2263 radeon_connector->con_priv = radeon_dig_connector; 2264 if (i2c_bus->valid) { 2265 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2266 if (radeon_connector->ddc_bus) { 2267 has_aux = true; 2268 ddc = &radeon_connector->ddc_bus->adapter; 2269 } else { 2270 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2271 } 2272 } 2273 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2274 &radeon_edp_connector_funcs, 2275 connector_type, 2276 ddc); 2277 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); 2278 drm_object_attach_property(&radeon_connector->base.base, 2279 dev->mode_config.scaling_mode_property, 2280 DRM_MODE_SCALE_FULLSCREEN); 2281 subpixel_order = SubPixelHorizontalRGB; 2282 connector->interlace_allowed = false; 2283 connector->doublescan_allowed = false; 2284 break; 2285 case DRM_MODE_CONNECTOR_SVIDEO: 2286 case DRM_MODE_CONNECTOR_Composite: 2287 case DRM_MODE_CONNECTOR_9PinDIN: 2288 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2289 &radeon_tv_connector_funcs, 2290 connector_type, 2291 ddc); 2292 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs); 2293 radeon_connector->dac_load_detect = true; 2294 drm_object_attach_property(&radeon_connector->base.base, 2295 rdev->mode_info.load_detect_property, 2296 1); 2297 drm_object_attach_property(&radeon_connector->base.base, 2298 rdev->mode_info.tv_std_property, 2299 radeon_atombios_get_tv_info(rdev)); 2300 /* no HPD on analog connectors */ 2301 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2302 connector->interlace_allowed = false; 2303 connector->doublescan_allowed = false; 2304 break; 2305 case DRM_MODE_CONNECTOR_LVDS: 2306 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2307 if (!radeon_dig_connector) 2308 goto failed; 2309 radeon_dig_connector->igp_lane_info = igp_lane_info; 2310 radeon_connector->con_priv = radeon_dig_connector; 2311 if (i2c_bus->valid) { 2312 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2313 if (!radeon_connector->ddc_bus) 2314 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2315 else 2316 ddc = &radeon_connector->ddc_bus->adapter; 2317 } 2318 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2319 &radeon_lvds_connector_funcs, 2320 connector_type, 2321 ddc); 2322 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs); 2323 drm_object_attach_property(&radeon_connector->base.base, 2324 dev->mode_config.scaling_mode_property, 2325 DRM_MODE_SCALE_FULLSCREEN); 2326 subpixel_order = SubPixelHorizontalRGB; 2327 connector->interlace_allowed = false; 2328 connector->doublescan_allowed = false; 2329 break; 2330 } 2331 } 2332 2333 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) { 2334 if (i2c_bus->valid) { 2335 connector->polled = DRM_CONNECTOR_POLL_CONNECT | 2336 DRM_CONNECTOR_POLL_DISCONNECT; 2337 } 2338 } else 2339 connector->polled = DRM_CONNECTOR_POLL_HPD; 2340 2341 connector->display_info.subpixel_order = subpixel_order; 2342 drm_connector_register(connector); 2343 2344 if (has_aux) 2345 radeon_dp_aux_init(radeon_connector); 2346 2347 return; 2348 2349 failed: 2350 drm_connector_cleanup(connector); 2351 kfree(connector); 2352 } 2353 2354 void 2355 radeon_add_legacy_connector(struct drm_device *dev, 2356 uint32_t connector_id, 2357 uint32_t supported_device, 2358 int connector_type, 2359 struct radeon_i2c_bus_rec *i2c_bus, 2360 uint16_t connector_object_id, 2361 struct radeon_hpd *hpd) 2362 { 2363 struct radeon_device *rdev = dev->dev_private; 2364 struct drm_connector *connector; 2365 struct radeon_connector *radeon_connector; 2366 struct i2c_adapter *ddc = NULL; 2367 uint32_t subpixel_order = SubPixelNone; 2368 2369 if (connector_type == DRM_MODE_CONNECTOR_Unknown) 2370 return; 2371 2372 /* if the user selected tv=0 don't try and add the connector */ 2373 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) || 2374 (connector_type == DRM_MODE_CONNECTOR_Composite) || 2375 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) && 2376 (radeon_tv == 0)) 2377 return; 2378 2379 /* see if we already added it */ 2380 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 2381 radeon_connector = to_radeon_connector(connector); 2382 if (radeon_connector->connector_id == connector_id) { 2383 radeon_connector->devices |= supported_device; 2384 return; 2385 } 2386 } 2387 2388 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL); 2389 if (!radeon_connector) 2390 return; 2391 2392 connector = &radeon_connector->base; 2393 2394 radeon_connector->connector_id = connector_id; 2395 radeon_connector->devices = supported_device; 2396 radeon_connector->connector_object_id = connector_object_id; 2397 radeon_connector->hpd = *hpd; 2398 2399 switch (connector_type) { 2400 case DRM_MODE_CONNECTOR_VGA: 2401 if (i2c_bus->valid) { 2402 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2403 if (!radeon_connector->ddc_bus) 2404 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2405 else 2406 ddc = &radeon_connector->ddc_bus->adapter; 2407 } 2408 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2409 &radeon_vga_connector_funcs, 2410 connector_type, 2411 ddc); 2412 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2413 radeon_connector->dac_load_detect = true; 2414 drm_object_attach_property(&radeon_connector->base.base, 2415 rdev->mode_info.load_detect_property, 2416 1); 2417 /* no HPD on analog connectors */ 2418 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2419 connector->interlace_allowed = true; 2420 connector->doublescan_allowed = true; 2421 break; 2422 case DRM_MODE_CONNECTOR_DVIA: 2423 if (i2c_bus->valid) { 2424 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2425 if (!radeon_connector->ddc_bus) 2426 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2427 else 2428 ddc = &radeon_connector->ddc_bus->adapter; 2429 } 2430 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2431 &radeon_vga_connector_funcs, 2432 connector_type, 2433 ddc); 2434 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2435 radeon_connector->dac_load_detect = true; 2436 drm_object_attach_property(&radeon_connector->base.base, 2437 rdev->mode_info.load_detect_property, 2438 1); 2439 /* no HPD on analog connectors */ 2440 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2441 connector->interlace_allowed = true; 2442 connector->doublescan_allowed = true; 2443 break; 2444 case DRM_MODE_CONNECTOR_DVII: 2445 case DRM_MODE_CONNECTOR_DVID: 2446 if (i2c_bus->valid) { 2447 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2448 if (!radeon_connector->ddc_bus) 2449 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2450 else 2451 ddc = &radeon_connector->ddc_bus->adapter; 2452 } 2453 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2454 &radeon_dvi_connector_funcs, 2455 connector_type, 2456 ddc); 2457 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 2458 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 2459 radeon_connector->dac_load_detect = true; 2460 drm_object_attach_property(&radeon_connector->base.base, 2461 rdev->mode_info.load_detect_property, 2462 1); 2463 } 2464 subpixel_order = SubPixelHorizontalRGB; 2465 connector->interlace_allowed = true; 2466 if (connector_type == DRM_MODE_CONNECTOR_DVII) 2467 connector->doublescan_allowed = true; 2468 else 2469 connector->doublescan_allowed = false; 2470 break; 2471 case DRM_MODE_CONNECTOR_SVIDEO: 2472 case DRM_MODE_CONNECTOR_Composite: 2473 case DRM_MODE_CONNECTOR_9PinDIN: 2474 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2475 &radeon_tv_connector_funcs, 2476 connector_type, 2477 ddc); 2478 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs); 2479 radeon_connector->dac_load_detect = true; 2480 /* RS400,RC410,RS480 chipset seems to report a lot 2481 * of false positive on load detect, we haven't yet 2482 * found a way to make load detect reliable on those 2483 * chipset, thus just disable it for TV. 2484 */ 2485 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480) 2486 radeon_connector->dac_load_detect = false; 2487 drm_object_attach_property(&radeon_connector->base.base, 2488 rdev->mode_info.load_detect_property, 2489 radeon_connector->dac_load_detect); 2490 drm_object_attach_property(&radeon_connector->base.base, 2491 rdev->mode_info.tv_std_property, 2492 radeon_combios_get_tv_info(rdev)); 2493 /* no HPD on analog connectors */ 2494 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2495 connector->interlace_allowed = false; 2496 connector->doublescan_allowed = false; 2497 break; 2498 case DRM_MODE_CONNECTOR_LVDS: 2499 if (i2c_bus->valid) { 2500 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2501 if (!radeon_connector->ddc_bus) 2502 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2503 else 2504 ddc = &radeon_connector->ddc_bus->adapter; 2505 } 2506 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2507 &radeon_lvds_connector_funcs, 2508 connector_type, 2509 ddc); 2510 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs); 2511 drm_object_attach_property(&radeon_connector->base.base, 2512 dev->mode_config.scaling_mode_property, 2513 DRM_MODE_SCALE_FULLSCREEN); 2514 subpixel_order = SubPixelHorizontalRGB; 2515 connector->interlace_allowed = false; 2516 connector->doublescan_allowed = false; 2517 break; 2518 } 2519 2520 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) { 2521 if (i2c_bus->valid) { 2522 connector->polled = DRM_CONNECTOR_POLL_CONNECT | 2523 DRM_CONNECTOR_POLL_DISCONNECT; 2524 } 2525 } else 2526 connector->polled = DRM_CONNECTOR_POLL_HPD; 2527 2528 connector->display_info.subpixel_order = subpixel_order; 2529 drm_connector_register(connector); 2530 } 2531