radeon_connectors.c revision 1.1.1.2
1 /* $NetBSD: radeon_connectors.c,v 1.1.1.2 2018/08/27 01:34:58 riastradh Exp $ */ 2 3 /* 4 * Copyright 2007-8 Advanced Micro Devices, Inc. 5 * Copyright 2008 Red Hat Inc. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included in 15 * all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 23 * OTHER DEALINGS IN THE SOFTWARE. 24 * 25 * Authors: Dave Airlie 26 * Alex Deucher 27 */ 28 #include <sys/cdefs.h> 29 __KERNEL_RCSID(0, "$NetBSD: radeon_connectors.c,v 1.1.1.2 2018/08/27 01:34:58 riastradh Exp $"); 30 31 #include <drm/drmP.h> 32 #include <drm/drm_edid.h> 33 #include <drm/drm_crtc_helper.h> 34 #include <drm/drm_fb_helper.h> 35 #include <drm/drm_dp_mst_helper.h> 36 #include <drm/radeon_drm.h> 37 #include "radeon.h" 38 #include "radeon_audio.h" 39 #include "atom.h" 40 41 #include <linux/pm_runtime.h> 42 43 static int radeon_dp_handle_hpd(struct drm_connector *connector) 44 { 45 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 46 int ret; 47 48 ret = radeon_dp_mst_check_status(radeon_connector); 49 if (ret == -EINVAL) 50 return 1; 51 return 0; 52 } 53 void radeon_connector_hotplug(struct drm_connector *connector) 54 { 55 struct drm_device *dev = connector->dev; 56 struct radeon_device *rdev = dev->dev_private; 57 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 58 59 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) { 60 struct radeon_connector_atom_dig *dig_connector = 61 radeon_connector->con_priv; 62 63 if (radeon_connector->is_mst_connector) 64 return; 65 if (dig_connector->is_mst) { 66 radeon_dp_handle_hpd(connector); 67 return; 68 } 69 } 70 /* bail if the connector does not have hpd pin, e.g., 71 * VGA, TV, etc. 72 */ 73 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) 74 return; 75 76 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); 77 78 /* if the connector is already off, don't turn it back on */ 79 /* FIXME: This access isn't protected by any locks. */ 80 if (connector->dpms != DRM_MODE_DPMS_ON) 81 return; 82 83 /* just deal with DP (not eDP) here. */ 84 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) { 85 struct radeon_connector_atom_dig *dig_connector = 86 radeon_connector->con_priv; 87 88 /* if existing sink type was not DP no need to retrain */ 89 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT) 90 return; 91 92 /* first get sink type as it may be reset after (un)plug */ 93 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector); 94 /* don't do anything if sink is not display port, i.e., 95 * passive dp->(dvi|hdmi) adaptor 96 */ 97 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT && 98 radeon_hpd_sense(rdev, radeon_connector->hpd.hpd) && 99 radeon_dp_needs_link_train(radeon_connector)) { 100 /* Don't start link training before we have the DPCD */ 101 if (!radeon_dp_getdpcd(radeon_connector)) 102 return; 103 104 /* Turn the connector off and back on immediately, which 105 * will trigger link training 106 */ 107 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); 108 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); 109 } 110 } 111 } 112 113 static void radeon_property_change_mode(struct drm_encoder *encoder) 114 { 115 struct drm_crtc *crtc = encoder->crtc; 116 117 if (crtc && crtc->enabled) { 118 drm_crtc_helper_set_mode(crtc, &crtc->mode, 119 crtc->x, crtc->y, crtc->primary->fb); 120 } 121 } 122 123 int radeon_get_monitor_bpc(struct drm_connector *connector) 124 { 125 struct drm_device *dev = connector->dev; 126 struct radeon_device *rdev = dev->dev_private; 127 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 128 struct radeon_connector_atom_dig *dig_connector; 129 int bpc = 8; 130 int mode_clock, max_tmds_clock; 131 132 switch (connector->connector_type) { 133 case DRM_MODE_CONNECTOR_DVII: 134 case DRM_MODE_CONNECTOR_HDMIB: 135 if (radeon_connector->use_digital) { 136 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 137 if (connector->display_info.bpc) 138 bpc = connector->display_info.bpc; 139 } 140 } 141 break; 142 case DRM_MODE_CONNECTOR_DVID: 143 case DRM_MODE_CONNECTOR_HDMIA: 144 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 145 if (connector->display_info.bpc) 146 bpc = connector->display_info.bpc; 147 } 148 break; 149 case DRM_MODE_CONNECTOR_DisplayPort: 150 dig_connector = radeon_connector->con_priv; 151 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 152 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) || 153 drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 154 if (connector->display_info.bpc) 155 bpc = connector->display_info.bpc; 156 } 157 break; 158 case DRM_MODE_CONNECTOR_eDP: 159 case DRM_MODE_CONNECTOR_LVDS: 160 if (connector->display_info.bpc) 161 bpc = connector->display_info.bpc; 162 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) { 163 const struct drm_connector_helper_funcs *connector_funcs = 164 connector->helper_private; 165 struct drm_encoder *encoder = connector_funcs->best_encoder(connector); 166 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 167 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; 168 169 if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR) 170 bpc = 6; 171 else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR) 172 bpc = 8; 173 } 174 break; 175 } 176 177 if (drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 178 /* hdmi deep color only implemented on DCE4+ */ 179 if ((bpc > 8) && !ASIC_IS_DCE4(rdev)) { 180 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 8 bpc.\n", 181 connector->name, bpc); 182 bpc = 8; 183 } 184 185 /* 186 * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make 187 * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at 188 * 12 bpc is always supported on hdmi deep color sinks, as this is 189 * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum. 190 */ 191 if (bpc > 12) { 192 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n", 193 connector->name, bpc); 194 bpc = 12; 195 } 196 197 /* Any defined maximum tmds clock limit we must not exceed? */ 198 if (connector->max_tmds_clock > 0) { 199 /* mode_clock is clock in kHz for mode to be modeset on this connector */ 200 mode_clock = radeon_connector->pixelclock_for_modeset; 201 202 /* Maximum allowable input clock in kHz */ 203 max_tmds_clock = connector->max_tmds_clock * 1000; 204 205 DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n", 206 connector->name, mode_clock, max_tmds_clock); 207 208 /* Check if bpc is within clock limit. Try to degrade gracefully otherwise */ 209 if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) { 210 if ((connector->display_info.edid_hdmi_dc_modes & DRM_EDID_HDMI_DC_30) && 211 (mode_clock * 5/4 <= max_tmds_clock)) 212 bpc = 10; 213 else 214 bpc = 8; 215 216 DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n", 217 connector->name, bpc); 218 } 219 220 if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) { 221 bpc = 8; 222 DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n", 223 connector->name, bpc); 224 } 225 } 226 else if (bpc > 8) { 227 /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */ 228 DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n", 229 connector->name); 230 bpc = 8; 231 } 232 } 233 234 if ((radeon_deep_color == 0) && (bpc > 8)) { 235 DRM_DEBUG("%s: Deep color disabled. Set radeon module param deep_color=1 to enable.\n", 236 connector->name); 237 bpc = 8; 238 } 239 240 DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n", 241 connector->name, connector->display_info.bpc, bpc); 242 243 return bpc; 244 } 245 246 static void 247 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status) 248 { 249 struct drm_device *dev = connector->dev; 250 struct radeon_device *rdev = dev->dev_private; 251 struct drm_encoder *best_encoder = NULL; 252 struct drm_encoder *encoder = NULL; 253 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 254 bool connected; 255 int i; 256 257 best_encoder = connector_funcs->best_encoder(connector); 258 259 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 260 if (connector->encoder_ids[i] == 0) 261 break; 262 263 encoder = drm_encoder_find(connector->dev, 264 connector->encoder_ids[i]); 265 if (!encoder) 266 continue; 267 268 if ((encoder == best_encoder) && (status == connector_status_connected)) 269 connected = true; 270 else 271 connected = false; 272 273 if (rdev->is_atom_bios) 274 radeon_atombios_connected_scratch_regs(connector, encoder, connected); 275 else 276 radeon_combios_connected_scratch_regs(connector, encoder, connected); 277 278 } 279 } 280 281 static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type) 282 { 283 struct drm_encoder *encoder; 284 int i; 285 286 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 287 if (connector->encoder_ids[i] == 0) 288 break; 289 290 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]); 291 if (!encoder) 292 continue; 293 294 if (encoder->encoder_type == encoder_type) 295 return encoder; 296 } 297 return NULL; 298 } 299 300 struct edid *radeon_connector_edid(struct drm_connector *connector) 301 { 302 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 303 struct drm_property_blob *edid_blob = connector->edid_blob_ptr; 304 305 if (radeon_connector->edid) { 306 return radeon_connector->edid; 307 } else if (edid_blob) { 308 struct edid *edid = kmemdup(edid_blob->data, edid_blob->length, GFP_KERNEL); 309 if (edid) 310 radeon_connector->edid = edid; 311 } 312 return radeon_connector->edid; 313 } 314 315 static void radeon_connector_get_edid(struct drm_connector *connector) 316 { 317 struct drm_device *dev = connector->dev; 318 struct radeon_device *rdev = dev->dev_private; 319 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 320 321 if (radeon_connector->edid) 322 return; 323 324 /* on hw with routers, select right port */ 325 if (radeon_connector->router.ddc_valid) 326 radeon_router_select_ddc_port(radeon_connector); 327 328 if ((radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 329 ENCODER_OBJECT_ID_NONE) && 330 radeon_connector->ddc_bus->has_aux) { 331 radeon_connector->edid = drm_get_edid(connector, 332 &radeon_connector->ddc_bus->aux.ddc); 333 } else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) || 334 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) { 335 struct radeon_connector_atom_dig *dig = radeon_connector->con_priv; 336 337 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT || 338 dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) && 339 radeon_connector->ddc_bus->has_aux) 340 radeon_connector->edid = drm_get_edid(&radeon_connector->base, 341 &radeon_connector->ddc_bus->aux.ddc); 342 else if (radeon_connector->ddc_bus) 343 radeon_connector->edid = drm_get_edid(&radeon_connector->base, 344 &radeon_connector->ddc_bus->adapter); 345 } else if (radeon_connector->ddc_bus) { 346 radeon_connector->edid = drm_get_edid(&radeon_connector->base, 347 &radeon_connector->ddc_bus->adapter); 348 } 349 350 if (!radeon_connector->edid) { 351 /* don't fetch the edid from the vbios if ddc fails and runpm is 352 * enabled so we report disconnected. 353 */ 354 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0)) 355 return; 356 357 if (rdev->is_atom_bios) { 358 /* some laptops provide a hardcoded edid in rom for LCDs */ 359 if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) || 360 (connector->connector_type == DRM_MODE_CONNECTOR_eDP))) 361 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev); 362 } else { 363 /* some servers provide a hardcoded edid in rom for KVMs */ 364 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev); 365 } 366 } 367 } 368 369 static void radeon_connector_free_edid(struct drm_connector *connector) 370 { 371 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 372 373 if (radeon_connector->edid) { 374 kfree(radeon_connector->edid); 375 radeon_connector->edid = NULL; 376 } 377 } 378 379 static int radeon_ddc_get_modes(struct drm_connector *connector) 380 { 381 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 382 int ret; 383 384 if (radeon_connector->edid) { 385 drm_mode_connector_update_edid_property(connector, radeon_connector->edid); 386 ret = drm_add_edid_modes(connector, radeon_connector->edid); 387 drm_edid_to_eld(connector, radeon_connector->edid); 388 return ret; 389 } 390 drm_mode_connector_update_edid_property(connector, NULL); 391 return 0; 392 } 393 394 static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector) 395 { 396 int enc_id = connector->encoder_ids[0]; 397 /* pick the encoder ids */ 398 if (enc_id) 399 return drm_encoder_find(connector->dev, enc_id); 400 return NULL; 401 } 402 403 static void radeon_get_native_mode(struct drm_connector *connector) 404 { 405 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 406 struct radeon_encoder *radeon_encoder; 407 408 if (encoder == NULL) 409 return; 410 411 radeon_encoder = to_radeon_encoder(encoder); 412 413 if (!list_empty(&connector->probed_modes)) { 414 struct drm_display_mode *preferred_mode = 415 list_first_entry(&connector->probed_modes, 416 struct drm_display_mode, head); 417 418 radeon_encoder->native_mode = *preferred_mode; 419 } else { 420 radeon_encoder->native_mode.clock = 0; 421 } 422 } 423 424 /* 425 * radeon_connector_analog_encoder_conflict_solve 426 * - search for other connectors sharing this encoder 427 * if priority is true, then set them disconnected if this is connected 428 * if priority is false, set us disconnected if they are connected 429 */ 430 static enum drm_connector_status 431 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector, 432 struct drm_encoder *encoder, 433 enum drm_connector_status current_status, 434 bool priority) 435 { 436 struct drm_device *dev = connector->dev; 437 struct drm_connector *conflict; 438 struct radeon_connector *radeon_conflict; 439 int i; 440 441 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) { 442 if (conflict == connector) 443 continue; 444 445 radeon_conflict = to_radeon_connector(conflict); 446 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 447 if (conflict->encoder_ids[i] == 0) 448 break; 449 450 /* if the IDs match */ 451 if (conflict->encoder_ids[i] == encoder->base.id) { 452 if (conflict->status != connector_status_connected) 453 continue; 454 455 if (radeon_conflict->use_digital) 456 continue; 457 458 if (priority == true) { 459 DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", 460 conflict->name); 461 DRM_DEBUG_KMS("in favor of %s\n", 462 connector->name); 463 conflict->status = connector_status_disconnected; 464 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected); 465 } else { 466 DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", 467 connector->name); 468 DRM_DEBUG_KMS("in favor of %s\n", 469 conflict->name); 470 current_status = connector_status_disconnected; 471 } 472 break; 473 } 474 } 475 } 476 return current_status; 477 478 } 479 480 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder) 481 { 482 struct drm_device *dev = encoder->dev; 483 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 484 struct drm_display_mode *mode = NULL; 485 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 486 487 if (native_mode->hdisplay != 0 && 488 native_mode->vdisplay != 0 && 489 native_mode->clock != 0) { 490 mode = drm_mode_duplicate(dev, native_mode); 491 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; 492 drm_mode_set_name(mode); 493 494 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name); 495 } else if (native_mode->hdisplay != 0 && 496 native_mode->vdisplay != 0) { 497 /* mac laptops without an edid */ 498 /* Note that this is not necessarily the exact panel mode, 499 * but an approximation based on the cvt formula. For these 500 * systems we should ideally read the mode info out of the 501 * registers or add a mode table, but this works and is much 502 * simpler. 503 */ 504 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false); 505 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; 506 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name); 507 } 508 return mode; 509 } 510 511 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector) 512 { 513 struct drm_device *dev = encoder->dev; 514 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 515 struct drm_display_mode *mode = NULL; 516 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 517 int i; 518 struct mode_size { 519 int w; 520 int h; 521 } common_modes[17] = { 522 { 640, 480}, 523 { 720, 480}, 524 { 800, 600}, 525 { 848, 480}, 526 {1024, 768}, 527 {1152, 768}, 528 {1280, 720}, 529 {1280, 800}, 530 {1280, 854}, 531 {1280, 960}, 532 {1280, 1024}, 533 {1440, 900}, 534 {1400, 1050}, 535 {1680, 1050}, 536 {1600, 1200}, 537 {1920, 1080}, 538 {1920, 1200} 539 }; 540 541 for (i = 0; i < 17; i++) { 542 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) { 543 if (common_modes[i].w > 1024 || 544 common_modes[i].h > 768) 545 continue; 546 } 547 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { 548 if (common_modes[i].w > native_mode->hdisplay || 549 common_modes[i].h > native_mode->vdisplay || 550 (common_modes[i].w == native_mode->hdisplay && 551 common_modes[i].h == native_mode->vdisplay)) 552 continue; 553 } 554 if (common_modes[i].w < 320 || common_modes[i].h < 200) 555 continue; 556 557 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false); 558 drm_mode_probed_add(connector, mode); 559 } 560 } 561 562 static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property, 563 uint64_t val) 564 { 565 struct drm_device *dev = connector->dev; 566 struct radeon_device *rdev = dev->dev_private; 567 struct drm_encoder *encoder; 568 struct radeon_encoder *radeon_encoder; 569 570 if (property == rdev->mode_info.coherent_mode_property) { 571 struct radeon_encoder_atom_dig *dig; 572 bool new_coherent_mode; 573 574 /* need to find digital encoder on connector */ 575 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 576 if (!encoder) 577 return 0; 578 579 radeon_encoder = to_radeon_encoder(encoder); 580 581 if (!radeon_encoder->enc_priv) 582 return 0; 583 584 dig = radeon_encoder->enc_priv; 585 new_coherent_mode = val ? true : false; 586 if (dig->coherent_mode != new_coherent_mode) { 587 dig->coherent_mode = new_coherent_mode; 588 radeon_property_change_mode(&radeon_encoder->base); 589 } 590 } 591 592 if (property == rdev->mode_info.audio_property) { 593 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 594 /* need to find digital encoder on connector */ 595 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 596 if (!encoder) 597 return 0; 598 599 radeon_encoder = to_radeon_encoder(encoder); 600 601 if (radeon_connector->audio != val) { 602 radeon_connector->audio = val; 603 radeon_property_change_mode(&radeon_encoder->base); 604 } 605 } 606 607 if (property == rdev->mode_info.dither_property) { 608 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 609 /* need to find digital encoder on connector */ 610 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 611 if (!encoder) 612 return 0; 613 614 radeon_encoder = to_radeon_encoder(encoder); 615 616 if (radeon_connector->dither != val) { 617 radeon_connector->dither = val; 618 radeon_property_change_mode(&radeon_encoder->base); 619 } 620 } 621 622 if (property == rdev->mode_info.underscan_property) { 623 /* need to find digital encoder on connector */ 624 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 625 if (!encoder) 626 return 0; 627 628 radeon_encoder = to_radeon_encoder(encoder); 629 630 if (radeon_encoder->underscan_type != val) { 631 radeon_encoder->underscan_type = val; 632 radeon_property_change_mode(&radeon_encoder->base); 633 } 634 } 635 636 if (property == rdev->mode_info.underscan_hborder_property) { 637 /* need to find digital encoder on connector */ 638 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 639 if (!encoder) 640 return 0; 641 642 radeon_encoder = to_radeon_encoder(encoder); 643 644 if (radeon_encoder->underscan_hborder != val) { 645 radeon_encoder->underscan_hborder = val; 646 radeon_property_change_mode(&radeon_encoder->base); 647 } 648 } 649 650 if (property == rdev->mode_info.underscan_vborder_property) { 651 /* need to find digital encoder on connector */ 652 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 653 if (!encoder) 654 return 0; 655 656 radeon_encoder = to_radeon_encoder(encoder); 657 658 if (radeon_encoder->underscan_vborder != val) { 659 radeon_encoder->underscan_vborder = val; 660 radeon_property_change_mode(&radeon_encoder->base); 661 } 662 } 663 664 if (property == rdev->mode_info.tv_std_property) { 665 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC); 666 if (!encoder) { 667 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC); 668 } 669 670 if (!encoder) 671 return 0; 672 673 radeon_encoder = to_radeon_encoder(encoder); 674 if (!radeon_encoder->enc_priv) 675 return 0; 676 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) { 677 struct radeon_encoder_atom_dac *dac_int; 678 dac_int = radeon_encoder->enc_priv; 679 dac_int->tv_std = val; 680 } else { 681 struct radeon_encoder_tv_dac *dac_int; 682 dac_int = radeon_encoder->enc_priv; 683 dac_int->tv_std = val; 684 } 685 radeon_property_change_mode(&radeon_encoder->base); 686 } 687 688 if (property == rdev->mode_info.load_detect_property) { 689 struct radeon_connector *radeon_connector = 690 to_radeon_connector(connector); 691 692 if (val == 0) 693 radeon_connector->dac_load_detect = false; 694 else 695 radeon_connector->dac_load_detect = true; 696 } 697 698 if (property == rdev->mode_info.tmds_pll_property) { 699 struct radeon_encoder_int_tmds *tmds = NULL; 700 bool ret = false; 701 /* need to find digital encoder on connector */ 702 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 703 if (!encoder) 704 return 0; 705 706 radeon_encoder = to_radeon_encoder(encoder); 707 708 tmds = radeon_encoder->enc_priv; 709 if (!tmds) 710 return 0; 711 712 if (val == 0) { 713 if (rdev->is_atom_bios) 714 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds); 715 else 716 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds); 717 } 718 if (val == 1 || ret == false) { 719 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds); 720 } 721 radeon_property_change_mode(&radeon_encoder->base); 722 } 723 724 if (property == dev->mode_config.scaling_mode_property) { 725 enum radeon_rmx_type rmx_type; 726 727 if (connector->encoder) 728 radeon_encoder = to_radeon_encoder(connector->encoder); 729 else { 730 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 731 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); 732 } 733 734 switch (val) { 735 default: 736 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break; 737 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break; 738 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break; 739 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break; 740 } 741 if (radeon_encoder->rmx_type == rmx_type) 742 return 0; 743 744 if ((rmx_type != DRM_MODE_SCALE_NONE) && 745 (radeon_encoder->native_mode.clock == 0)) 746 return 0; 747 748 radeon_encoder->rmx_type = rmx_type; 749 750 radeon_property_change_mode(&radeon_encoder->base); 751 } 752 753 if (property == rdev->mode_info.output_csc_property) { 754 if (connector->encoder) 755 radeon_encoder = to_radeon_encoder(connector->encoder); 756 else { 757 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 758 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); 759 } 760 761 if (radeon_encoder->output_csc == val) 762 return 0; 763 764 radeon_encoder->output_csc = val; 765 766 if (connector->encoder->crtc) { 767 struct drm_crtc *crtc = connector->encoder->crtc; 768 const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; 769 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 770 771 radeon_crtc->output_csc = radeon_encoder->output_csc; 772 773 (*crtc_funcs->load_lut)(crtc); 774 } 775 } 776 777 return 0; 778 } 779 780 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder, 781 struct drm_connector *connector) 782 { 783 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 784 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 785 struct drm_display_mode *t, *mode; 786 787 /* If the EDID preferred mode doesn't match the native mode, use it */ 788 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) { 789 if (mode->type & DRM_MODE_TYPE_PREFERRED) { 790 if (mode->hdisplay != native_mode->hdisplay || 791 mode->vdisplay != native_mode->vdisplay) 792 memcpy(native_mode, mode, sizeof(*mode)); 793 } 794 } 795 796 /* Try to get native mode details from EDID if necessary */ 797 if (!native_mode->clock) { 798 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) { 799 if (mode->hdisplay == native_mode->hdisplay && 800 mode->vdisplay == native_mode->vdisplay) { 801 *native_mode = *mode; 802 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V); 803 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n"); 804 break; 805 } 806 } 807 } 808 809 if (!native_mode->clock) { 810 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n"); 811 radeon_encoder->rmx_type = RMX_OFF; 812 } 813 } 814 815 static int radeon_lvds_get_modes(struct drm_connector *connector) 816 { 817 struct drm_encoder *encoder; 818 int ret = 0; 819 struct drm_display_mode *mode; 820 821 radeon_connector_get_edid(connector); 822 ret = radeon_ddc_get_modes(connector); 823 if (ret > 0) { 824 encoder = radeon_best_single_encoder(connector); 825 if (encoder) { 826 radeon_fixup_lvds_native_mode(encoder, connector); 827 /* add scaled modes */ 828 radeon_add_common_modes(encoder, connector); 829 } 830 return ret; 831 } 832 833 encoder = radeon_best_single_encoder(connector); 834 if (!encoder) 835 return 0; 836 837 /* we have no EDID modes */ 838 mode = radeon_fp_native_mode(encoder); 839 if (mode) { 840 ret = 1; 841 drm_mode_probed_add(connector, mode); 842 /* add the width/height from vbios tables if available */ 843 connector->display_info.width_mm = mode->width_mm; 844 connector->display_info.height_mm = mode->height_mm; 845 /* add scaled modes */ 846 radeon_add_common_modes(encoder, connector); 847 } 848 849 return ret; 850 } 851 852 static int radeon_lvds_mode_valid(struct drm_connector *connector, 853 struct drm_display_mode *mode) 854 { 855 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 856 857 if ((mode->hdisplay < 320) || (mode->vdisplay < 240)) 858 return MODE_PANEL; 859 860 if (encoder) { 861 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 862 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 863 864 /* AVIVO hardware supports downscaling modes larger than the panel 865 * to the panel size, but I'm not sure this is desirable. 866 */ 867 if ((mode->hdisplay > native_mode->hdisplay) || 868 (mode->vdisplay > native_mode->vdisplay)) 869 return MODE_PANEL; 870 871 /* if scaling is disabled, block non-native modes */ 872 if (radeon_encoder->rmx_type == RMX_OFF) { 873 if ((mode->hdisplay != native_mode->hdisplay) || 874 (mode->vdisplay != native_mode->vdisplay)) 875 return MODE_PANEL; 876 } 877 } 878 879 return MODE_OK; 880 } 881 882 static enum drm_connector_status 883 radeon_lvds_detect(struct drm_connector *connector, bool force) 884 { 885 struct drm_device *dev = connector->dev; 886 struct radeon_device *rdev = dev->dev_private; 887 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 888 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 889 enum drm_connector_status ret = connector_status_disconnected; 890 int r; 891 892 if (!drm_kms_helper_is_poll_worker()) { 893 r = pm_runtime_get_sync(connector->dev->dev); 894 if (r < 0) 895 return connector_status_disconnected; 896 } 897 898 if (encoder) { 899 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 900 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 901 902 /* check if panel is valid */ 903 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240) 904 ret = connector_status_connected; 905 /* don't fetch the edid from the vbios if ddc fails and runpm is 906 * enabled so we report disconnected. 907 */ 908 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0)) 909 ret = connector_status_disconnected; 910 } 911 912 /* check for edid as well */ 913 radeon_connector_get_edid(connector); 914 if (radeon_connector->edid) 915 ret = connector_status_connected; 916 /* check acpi lid status ??? */ 917 918 radeon_connector_update_scratch_regs(connector, ret); 919 920 if (!drm_kms_helper_is_poll_worker()) { 921 pm_runtime_mark_last_busy(connector->dev->dev); 922 pm_runtime_put_autosuspend(connector->dev->dev); 923 } 924 925 return ret; 926 } 927 928 static void radeon_connector_destroy(struct drm_connector *connector) 929 { 930 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 931 932 radeon_connector_free_edid(connector); 933 kfree(radeon_connector->con_priv); 934 drm_connector_unregister(connector); 935 drm_connector_cleanup(connector); 936 kfree(connector); 937 } 938 939 static int radeon_lvds_set_property(struct drm_connector *connector, 940 struct drm_property *property, 941 uint64_t value) 942 { 943 struct drm_device *dev = connector->dev; 944 struct radeon_encoder *radeon_encoder; 945 enum radeon_rmx_type rmx_type; 946 947 DRM_DEBUG_KMS("\n"); 948 if (property != dev->mode_config.scaling_mode_property) 949 return 0; 950 951 if (connector->encoder) 952 radeon_encoder = to_radeon_encoder(connector->encoder); 953 else { 954 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 955 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); 956 } 957 958 switch (value) { 959 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break; 960 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break; 961 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break; 962 default: 963 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break; 964 } 965 if (radeon_encoder->rmx_type == rmx_type) 966 return 0; 967 968 radeon_encoder->rmx_type = rmx_type; 969 970 radeon_property_change_mode(&radeon_encoder->base); 971 return 0; 972 } 973 974 975 static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = { 976 .get_modes = radeon_lvds_get_modes, 977 .mode_valid = radeon_lvds_mode_valid, 978 .best_encoder = radeon_best_single_encoder, 979 }; 980 981 static const struct drm_connector_funcs radeon_lvds_connector_funcs = { 982 .dpms = drm_helper_connector_dpms, 983 .detect = radeon_lvds_detect, 984 .fill_modes = drm_helper_probe_single_connector_modes, 985 .destroy = radeon_connector_destroy, 986 .set_property = radeon_lvds_set_property, 987 }; 988 989 static int radeon_vga_get_modes(struct drm_connector *connector) 990 { 991 int ret; 992 993 radeon_connector_get_edid(connector); 994 ret = radeon_ddc_get_modes(connector); 995 996 radeon_get_native_mode(connector); 997 998 return ret; 999 } 1000 1001 static int radeon_vga_mode_valid(struct drm_connector *connector, 1002 struct drm_display_mode *mode) 1003 { 1004 struct drm_device *dev = connector->dev; 1005 struct radeon_device *rdev = dev->dev_private; 1006 1007 /* XXX check mode bandwidth */ 1008 1009 if ((mode->clock / 10) > rdev->clock.max_pixel_clock) 1010 return MODE_CLOCK_HIGH; 1011 1012 return MODE_OK; 1013 } 1014 1015 static enum drm_connector_status 1016 radeon_vga_detect(struct drm_connector *connector, bool force) 1017 { 1018 struct drm_device *dev = connector->dev; 1019 struct radeon_device *rdev = dev->dev_private; 1020 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1021 struct drm_encoder *encoder; 1022 const struct drm_encoder_helper_funcs *encoder_funcs; 1023 bool dret = false; 1024 enum drm_connector_status ret = connector_status_disconnected; 1025 int r; 1026 1027 if (!drm_kms_helper_is_poll_worker()) { 1028 r = pm_runtime_get_sync(connector->dev->dev); 1029 if (r < 0) 1030 return connector_status_disconnected; 1031 } 1032 1033 encoder = radeon_best_single_encoder(connector); 1034 if (!encoder) 1035 ret = connector_status_disconnected; 1036 1037 if (radeon_connector->ddc_bus) 1038 dret = radeon_ddc_probe(radeon_connector, false); 1039 if (dret) { 1040 radeon_connector->detected_by_load = false; 1041 radeon_connector_free_edid(connector); 1042 radeon_connector_get_edid(connector); 1043 1044 if (!radeon_connector->edid) { 1045 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n", 1046 connector->name); 1047 ret = connector_status_connected; 1048 } else { 1049 radeon_connector->use_digital = 1050 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL); 1051 1052 /* some oems have boards with separate digital and analog connectors 1053 * with a shared ddc line (often vga + hdmi) 1054 */ 1055 if (radeon_connector->use_digital && radeon_connector->shared_ddc) { 1056 radeon_connector_free_edid(connector); 1057 ret = connector_status_disconnected; 1058 } else { 1059 ret = connector_status_connected; 1060 } 1061 } 1062 } else { 1063 1064 /* if we aren't forcing don't do destructive polling */ 1065 if (!force) { 1066 /* only return the previous status if we last 1067 * detected a monitor via load. 1068 */ 1069 if (radeon_connector->detected_by_load) 1070 ret = connector->status; 1071 goto out; 1072 } 1073 1074 if (radeon_connector->dac_load_detect && encoder) { 1075 encoder_funcs = encoder->helper_private; 1076 ret = encoder_funcs->detect(encoder, connector); 1077 if (ret != connector_status_disconnected) 1078 radeon_connector->detected_by_load = true; 1079 } 1080 } 1081 1082 if (ret == connector_status_connected) 1083 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true); 1084 1085 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the 1086 * vbios to deal with KVMs. If we have one and are not able to detect a monitor 1087 * by other means, assume the CRT is connected and use that EDID. 1088 */ 1089 if ((!rdev->is_atom_bios) && 1090 (ret == connector_status_disconnected) && 1091 rdev->mode_info.bios_hardcoded_edid_size) { 1092 ret = connector_status_connected; 1093 } 1094 1095 radeon_connector_update_scratch_regs(connector, ret); 1096 1097 out: 1098 if (!drm_kms_helper_is_poll_worker()) { 1099 pm_runtime_mark_last_busy(connector->dev->dev); 1100 pm_runtime_put_autosuspend(connector->dev->dev); 1101 } 1102 1103 return ret; 1104 } 1105 1106 static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = { 1107 .get_modes = radeon_vga_get_modes, 1108 .mode_valid = radeon_vga_mode_valid, 1109 .best_encoder = radeon_best_single_encoder, 1110 }; 1111 1112 static const struct drm_connector_funcs radeon_vga_connector_funcs = { 1113 .dpms = drm_helper_connector_dpms, 1114 .detect = radeon_vga_detect, 1115 .fill_modes = drm_helper_probe_single_connector_modes, 1116 .destroy = radeon_connector_destroy, 1117 .set_property = radeon_connector_set_property, 1118 }; 1119 1120 static int radeon_tv_get_modes(struct drm_connector *connector) 1121 { 1122 struct drm_device *dev = connector->dev; 1123 struct radeon_device *rdev = dev->dev_private; 1124 struct drm_display_mode *tv_mode; 1125 struct drm_encoder *encoder; 1126 1127 encoder = radeon_best_single_encoder(connector); 1128 if (!encoder) 1129 return 0; 1130 1131 /* avivo chips can scale any mode */ 1132 if (rdev->family >= CHIP_RS600) 1133 /* add scaled modes */ 1134 radeon_add_common_modes(encoder, connector); 1135 else { 1136 /* only 800x600 is supported right now on pre-avivo chips */ 1137 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false); 1138 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; 1139 drm_mode_probed_add(connector, tv_mode); 1140 } 1141 return 1; 1142 } 1143 1144 static int radeon_tv_mode_valid(struct drm_connector *connector, 1145 struct drm_display_mode *mode) 1146 { 1147 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768)) 1148 return MODE_CLOCK_RANGE; 1149 return MODE_OK; 1150 } 1151 1152 static enum drm_connector_status 1153 radeon_tv_detect(struct drm_connector *connector, bool force) 1154 { 1155 struct drm_encoder *encoder; 1156 const struct drm_encoder_helper_funcs *encoder_funcs; 1157 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1158 enum drm_connector_status ret = connector_status_disconnected; 1159 int r; 1160 1161 if (!radeon_connector->dac_load_detect) 1162 return ret; 1163 1164 if (!drm_kms_helper_is_poll_worker()) { 1165 r = pm_runtime_get_sync(connector->dev->dev); 1166 if (r < 0) 1167 return connector_status_disconnected; 1168 } 1169 1170 encoder = radeon_best_single_encoder(connector); 1171 if (!encoder) 1172 ret = connector_status_disconnected; 1173 else { 1174 encoder_funcs = encoder->helper_private; 1175 ret = encoder_funcs->detect(encoder, connector); 1176 } 1177 if (ret == connector_status_connected) 1178 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false); 1179 radeon_connector_update_scratch_regs(connector, ret); 1180 1181 if (!drm_kms_helper_is_poll_worker()) { 1182 pm_runtime_mark_last_busy(connector->dev->dev); 1183 pm_runtime_put_autosuspend(connector->dev->dev); 1184 } 1185 1186 return ret; 1187 } 1188 1189 static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = { 1190 .get_modes = radeon_tv_get_modes, 1191 .mode_valid = radeon_tv_mode_valid, 1192 .best_encoder = radeon_best_single_encoder, 1193 }; 1194 1195 static const struct drm_connector_funcs radeon_tv_connector_funcs = { 1196 .dpms = drm_helper_connector_dpms, 1197 .detect = radeon_tv_detect, 1198 .fill_modes = drm_helper_probe_single_connector_modes, 1199 .destroy = radeon_connector_destroy, 1200 .set_property = radeon_connector_set_property, 1201 }; 1202 1203 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector) 1204 { 1205 struct drm_device *dev = connector->dev; 1206 struct radeon_device *rdev = dev->dev_private; 1207 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1208 enum drm_connector_status status; 1209 1210 /* We only trust HPD on R600 and newer ASICS. */ 1211 if (rdev->family >= CHIP_R600 1212 && radeon_connector->hpd.hpd != RADEON_HPD_NONE) { 1213 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) 1214 status = connector_status_connected; 1215 else 1216 status = connector_status_disconnected; 1217 if (connector->status == status) 1218 return true; 1219 } 1220 1221 return false; 1222 } 1223 1224 /* 1225 * DVI is complicated 1226 * Do a DDC probe, if DDC probe passes, get the full EDID so 1227 * we can do analog/digital monitor detection at this point. 1228 * If the monitor is an analog monitor or we got no DDC, 1229 * we need to find the DAC encoder object for this connector. 1230 * If we got no DDC, we do load detection on the DAC encoder object. 1231 * If we got analog DDC or load detection passes on the DAC encoder 1232 * we have to check if this analog encoder is shared with anyone else (TV) 1233 * if its shared we have to set the other connector to disconnected. 1234 */ 1235 static enum drm_connector_status 1236 radeon_dvi_detect(struct drm_connector *connector, bool force) 1237 { 1238 struct drm_device *dev = connector->dev; 1239 struct radeon_device *rdev = dev->dev_private; 1240 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1241 struct drm_encoder *encoder = NULL; 1242 const struct drm_encoder_helper_funcs *encoder_funcs; 1243 int i, r; 1244 enum drm_connector_status ret = connector_status_disconnected; 1245 bool dret = false, broken_edid = false; 1246 1247 if (!drm_kms_helper_is_poll_worker()) { 1248 r = pm_runtime_get_sync(connector->dev->dev); 1249 if (r < 0) 1250 return connector_status_disconnected; 1251 } 1252 1253 if (radeon_connector->detected_hpd_without_ddc) { 1254 force = true; 1255 radeon_connector->detected_hpd_without_ddc = false; 1256 } 1257 1258 if (!force && radeon_check_hpd_status_unchanged(connector)) { 1259 ret = connector->status; 1260 goto exit; 1261 } 1262 1263 if (radeon_connector->ddc_bus) { 1264 dret = radeon_ddc_probe(radeon_connector, false); 1265 1266 /* Sometimes the pins required for the DDC probe on DVI 1267 * connectors don't make contact at the same time that the ones 1268 * for HPD do. If the DDC probe fails even though we had an HPD 1269 * signal, try again later */ 1270 if (!dret && !force && 1271 connector->status != connector_status_connected) { 1272 DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n"); 1273 radeon_connector->detected_hpd_without_ddc = true; 1274 schedule_delayed_work(&rdev->hotplug_work, 1275 msecs_to_jiffies(1000)); 1276 goto exit; 1277 } 1278 } 1279 if (dret) { 1280 radeon_connector->detected_by_load = false; 1281 radeon_connector_free_edid(connector); 1282 radeon_connector_get_edid(connector); 1283 1284 if (!radeon_connector->edid) { 1285 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n", 1286 connector->name); 1287 /* rs690 seems to have a problem with connectors not existing and always 1288 * return a block of 0's. If we see this just stop polling on this output */ 1289 if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && 1290 radeon_connector->base.null_edid_counter) { 1291 ret = connector_status_disconnected; 1292 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", 1293 connector->name); 1294 radeon_connector->ddc_bus = NULL; 1295 } else { 1296 ret = connector_status_connected; 1297 broken_edid = true; /* defer use_digital to later */ 1298 } 1299 } else { 1300 radeon_connector->use_digital = 1301 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL); 1302 1303 /* some oems have boards with separate digital and analog connectors 1304 * with a shared ddc line (often vga + hdmi) 1305 */ 1306 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) { 1307 radeon_connector_free_edid(connector); 1308 ret = connector_status_disconnected; 1309 } else { 1310 ret = connector_status_connected; 1311 } 1312 /* This gets complicated. We have boards with VGA + HDMI with a 1313 * shared DDC line and we have boards with DVI-D + HDMI with a shared 1314 * DDC line. The latter is more complex because with DVI<->HDMI adapters 1315 * you don't really know what's connected to which port as both are digital. 1316 */ 1317 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) { 1318 struct drm_connector *list_connector; 1319 struct radeon_connector *list_radeon_connector; 1320 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) { 1321 if (connector == list_connector) 1322 continue; 1323 list_radeon_connector = to_radeon_connector(list_connector); 1324 if (list_radeon_connector->shared_ddc && 1325 (list_radeon_connector->ddc_bus->rec.i2c_id == 1326 radeon_connector->ddc_bus->rec.i2c_id)) { 1327 /* cases where both connectors are digital */ 1328 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) { 1329 /* hpd is our only option in this case */ 1330 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { 1331 radeon_connector_free_edid(connector); 1332 ret = connector_status_disconnected; 1333 } 1334 } 1335 } 1336 } 1337 } 1338 } 1339 } 1340 1341 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true)) 1342 goto out; 1343 1344 /* DVI-D and HDMI-A are digital only */ 1345 if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) || 1346 (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA)) 1347 goto out; 1348 1349 /* if we aren't forcing don't do destructive polling */ 1350 if (!force) { 1351 /* only return the previous status if we last 1352 * detected a monitor via load. 1353 */ 1354 if (radeon_connector->detected_by_load) 1355 ret = connector->status; 1356 goto out; 1357 } 1358 1359 /* find analog encoder */ 1360 if (radeon_connector->dac_load_detect) { 1361 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1362 if (connector->encoder_ids[i] == 0) 1363 break; 1364 1365 encoder = drm_encoder_find(connector->dev, 1366 connector->encoder_ids[i]); 1367 if (!encoder) 1368 continue; 1369 1370 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC && 1371 encoder->encoder_type != DRM_MODE_ENCODER_TVDAC) 1372 continue; 1373 1374 encoder_funcs = encoder->helper_private; 1375 if (encoder_funcs->detect) { 1376 if (!broken_edid) { 1377 if (ret != connector_status_connected) { 1378 /* deal with analog monitors without DDC */ 1379 ret = encoder_funcs->detect(encoder, connector); 1380 if (ret == connector_status_connected) { 1381 radeon_connector->use_digital = false; 1382 } 1383 if (ret != connector_status_disconnected) 1384 radeon_connector->detected_by_load = true; 1385 } 1386 } else { 1387 enum drm_connector_status lret; 1388 /* assume digital unless load detected otherwise */ 1389 radeon_connector->use_digital = true; 1390 lret = encoder_funcs->detect(encoder, connector); 1391 DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret); 1392 if (lret == connector_status_connected) 1393 radeon_connector->use_digital = false; 1394 } 1395 break; 1396 } 1397 } 1398 } 1399 1400 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) && 1401 encoder) { 1402 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true); 1403 } 1404 1405 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the 1406 * vbios to deal with KVMs. If we have one and are not able to detect a monitor 1407 * by other means, assume the DFP is connected and use that EDID. In most 1408 * cases the DVI port is actually a virtual KVM port connected to the service 1409 * processor. 1410 */ 1411 out: 1412 if ((!rdev->is_atom_bios) && 1413 (ret == connector_status_disconnected) && 1414 rdev->mode_info.bios_hardcoded_edid_size) { 1415 radeon_connector->use_digital = true; 1416 ret = connector_status_connected; 1417 } 1418 1419 /* updated in get modes as well since we need to know if it's analog or digital */ 1420 radeon_connector_update_scratch_regs(connector, ret); 1421 1422 if ((radeon_audio != 0) && radeon_connector->use_digital) { 1423 const struct drm_connector_helper_funcs *connector_funcs = 1424 connector->helper_private; 1425 1426 encoder = connector_funcs->best_encoder(connector); 1427 if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) { 1428 radeon_connector_get_edid(connector); 1429 radeon_audio_detect(connector, encoder, ret); 1430 } 1431 } 1432 1433 exit: 1434 if (!drm_kms_helper_is_poll_worker()) { 1435 pm_runtime_mark_last_busy(connector->dev->dev); 1436 pm_runtime_put_autosuspend(connector->dev->dev); 1437 } 1438 1439 return ret; 1440 } 1441 1442 /* okay need to be smart in here about which encoder to pick */ 1443 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector) 1444 { 1445 int enc_id = connector->encoder_ids[0]; 1446 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1447 struct drm_encoder *encoder; 1448 int i; 1449 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1450 if (connector->encoder_ids[i] == 0) 1451 break; 1452 1453 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]); 1454 if (!encoder) 1455 continue; 1456 1457 if (radeon_connector->use_digital == true) { 1458 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS) 1459 return encoder; 1460 } else { 1461 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC || 1462 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC) 1463 return encoder; 1464 } 1465 } 1466 1467 /* see if we have a default encoder TODO */ 1468 1469 /* then check use digitial */ 1470 /* pick the first one */ 1471 if (enc_id) 1472 return drm_encoder_find(connector->dev, enc_id); 1473 return NULL; 1474 } 1475 1476 static void radeon_dvi_force(struct drm_connector *connector) 1477 { 1478 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1479 if (connector->force == DRM_FORCE_ON) 1480 radeon_connector->use_digital = false; 1481 if (connector->force == DRM_FORCE_ON_DIGITAL) 1482 radeon_connector->use_digital = true; 1483 } 1484 1485 static int radeon_dvi_mode_valid(struct drm_connector *connector, 1486 struct drm_display_mode *mode) 1487 { 1488 struct drm_device *dev = connector->dev; 1489 struct radeon_device *rdev = dev->dev_private; 1490 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1491 1492 /* XXX check mode bandwidth */ 1493 1494 /* clocks over 135 MHz have heat issues with DVI on RV100 */ 1495 if (radeon_connector->use_digital && 1496 (rdev->family == CHIP_RV100) && 1497 (mode->clock > 135000)) 1498 return MODE_CLOCK_HIGH; 1499 1500 if (radeon_connector->use_digital && (mode->clock > 165000)) { 1501 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) || 1502 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) || 1503 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B)) 1504 return MODE_OK; 1505 else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 1506 /* HDMI 1.3+ supports max clock of 340 Mhz */ 1507 if (mode->clock > 340000) 1508 return MODE_CLOCK_HIGH; 1509 else 1510 return MODE_OK; 1511 } else { 1512 return MODE_CLOCK_HIGH; 1513 } 1514 } 1515 1516 /* check against the max pixel clock */ 1517 if ((mode->clock / 10) > rdev->clock.max_pixel_clock) 1518 return MODE_CLOCK_HIGH; 1519 1520 return MODE_OK; 1521 } 1522 1523 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = { 1524 .get_modes = radeon_vga_get_modes, 1525 .mode_valid = radeon_dvi_mode_valid, 1526 .best_encoder = radeon_dvi_encoder, 1527 }; 1528 1529 static const struct drm_connector_funcs radeon_dvi_connector_funcs = { 1530 .dpms = drm_helper_connector_dpms, 1531 .detect = radeon_dvi_detect, 1532 .fill_modes = drm_helper_probe_single_connector_modes, 1533 .set_property = radeon_connector_set_property, 1534 .destroy = radeon_connector_destroy, 1535 .force = radeon_dvi_force, 1536 }; 1537 1538 static int radeon_dp_get_modes(struct drm_connector *connector) 1539 { 1540 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1541 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1542 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1543 int ret; 1544 1545 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1546 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1547 struct drm_display_mode *mode; 1548 1549 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) { 1550 if (!radeon_dig_connector->edp_on) 1551 atombios_set_edp_panel_power(connector, 1552 ATOM_TRANSMITTER_ACTION_POWER_ON); 1553 radeon_connector_get_edid(connector); 1554 ret = radeon_ddc_get_modes(connector); 1555 if (!radeon_dig_connector->edp_on) 1556 atombios_set_edp_panel_power(connector, 1557 ATOM_TRANSMITTER_ACTION_POWER_OFF); 1558 } else { 1559 /* need to setup ddc on the bridge */ 1560 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1561 ENCODER_OBJECT_ID_NONE) { 1562 if (encoder) 1563 radeon_atom_ext_encoder_setup_ddc(encoder); 1564 } 1565 radeon_connector_get_edid(connector); 1566 ret = radeon_ddc_get_modes(connector); 1567 } 1568 1569 if (ret > 0) { 1570 if (encoder) { 1571 radeon_fixup_lvds_native_mode(encoder, connector); 1572 /* add scaled modes */ 1573 radeon_add_common_modes(encoder, connector); 1574 } 1575 return ret; 1576 } 1577 1578 if (!encoder) 1579 return 0; 1580 1581 /* we have no EDID modes */ 1582 mode = radeon_fp_native_mode(encoder); 1583 if (mode) { 1584 ret = 1; 1585 drm_mode_probed_add(connector, mode); 1586 /* add the width/height from vbios tables if available */ 1587 connector->display_info.width_mm = mode->width_mm; 1588 connector->display_info.height_mm = mode->height_mm; 1589 /* add scaled modes */ 1590 radeon_add_common_modes(encoder, connector); 1591 } 1592 } else { 1593 /* need to setup ddc on the bridge */ 1594 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1595 ENCODER_OBJECT_ID_NONE) { 1596 if (encoder) 1597 radeon_atom_ext_encoder_setup_ddc(encoder); 1598 } 1599 radeon_connector_get_edid(connector); 1600 ret = radeon_ddc_get_modes(connector); 1601 1602 radeon_get_native_mode(connector); 1603 } 1604 1605 return ret; 1606 } 1607 1608 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector) 1609 { 1610 struct drm_encoder *encoder; 1611 struct radeon_encoder *radeon_encoder; 1612 int i; 1613 1614 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1615 if (connector->encoder_ids[i] == 0) 1616 break; 1617 1618 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]); 1619 if (!encoder) 1620 continue; 1621 1622 radeon_encoder = to_radeon_encoder(encoder); 1623 1624 switch (radeon_encoder->encoder_id) { 1625 case ENCODER_OBJECT_ID_TRAVIS: 1626 case ENCODER_OBJECT_ID_NUTMEG: 1627 return radeon_encoder->encoder_id; 1628 default: 1629 break; 1630 } 1631 } 1632 1633 return ENCODER_OBJECT_ID_NONE; 1634 } 1635 1636 static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector) 1637 { 1638 struct drm_encoder *encoder; 1639 struct radeon_encoder *radeon_encoder; 1640 int i; 1641 bool found = false; 1642 1643 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1644 if (connector->encoder_ids[i] == 0) 1645 break; 1646 1647 encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]); 1648 if (!encoder) 1649 continue; 1650 1651 radeon_encoder = to_radeon_encoder(encoder); 1652 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2) 1653 found = true; 1654 } 1655 1656 return found; 1657 } 1658 1659 bool radeon_connector_is_dp12_capable(struct drm_connector *connector) 1660 { 1661 struct drm_device *dev = connector->dev; 1662 struct radeon_device *rdev = dev->dev_private; 1663 1664 if (ASIC_IS_DCE5(rdev) && 1665 (rdev->clock.default_dispclk >= 53900) && 1666 radeon_connector_encoder_is_hbr2(connector)) { 1667 return true; 1668 } 1669 1670 return false; 1671 } 1672 1673 static enum drm_connector_status 1674 radeon_dp_detect(struct drm_connector *connector, bool force) 1675 { 1676 struct drm_device *dev = connector->dev; 1677 struct radeon_device *rdev = dev->dev_private; 1678 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1679 enum drm_connector_status ret = connector_status_disconnected; 1680 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1681 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1682 int r; 1683 1684 if (radeon_dig_connector->is_mst) 1685 return connector_status_disconnected; 1686 1687 if (!drm_kms_helper_is_poll_worker()) { 1688 r = pm_runtime_get_sync(connector->dev->dev); 1689 if (r < 0) 1690 return connector_status_disconnected; 1691 } 1692 1693 if (!force && radeon_check_hpd_status_unchanged(connector)) { 1694 ret = connector->status; 1695 goto out; 1696 } 1697 1698 radeon_connector_free_edid(connector); 1699 1700 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1701 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1702 if (encoder) { 1703 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 1704 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 1705 1706 /* check if panel is valid */ 1707 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240) 1708 ret = connector_status_connected; 1709 /* don't fetch the edid from the vbios if ddc fails and runpm is 1710 * enabled so we report disconnected. 1711 */ 1712 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0)) 1713 ret = connector_status_disconnected; 1714 } 1715 /* eDP is always DP */ 1716 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; 1717 if (!radeon_dig_connector->edp_on) 1718 atombios_set_edp_panel_power(connector, 1719 ATOM_TRANSMITTER_ACTION_POWER_ON); 1720 if (radeon_dp_getdpcd(radeon_connector)) 1721 ret = connector_status_connected; 1722 if (!radeon_dig_connector->edp_on) 1723 atombios_set_edp_panel_power(connector, 1724 ATOM_TRANSMITTER_ACTION_POWER_OFF); 1725 } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1726 ENCODER_OBJECT_ID_NONE) { 1727 /* DP bridges are always DP */ 1728 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; 1729 /* get the DPCD from the bridge */ 1730 radeon_dp_getdpcd(radeon_connector); 1731 1732 if (encoder) { 1733 /* setup ddc on the bridge */ 1734 radeon_atom_ext_encoder_setup_ddc(encoder); 1735 /* bridge chips are always aux */ 1736 if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */ 1737 ret = connector_status_connected; 1738 else if (radeon_connector->dac_load_detect) { /* try load detection */ 1739 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private; 1740 ret = encoder_funcs->detect(encoder, connector); 1741 } 1742 } 1743 } else { 1744 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector); 1745 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { 1746 ret = connector_status_connected; 1747 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) { 1748 radeon_dp_getdpcd(radeon_connector); 1749 r = radeon_dp_mst_probe(radeon_connector); 1750 if (r == 1) 1751 ret = connector_status_disconnected; 1752 } 1753 } else { 1754 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) { 1755 if (radeon_dp_getdpcd(radeon_connector)) { 1756 r = radeon_dp_mst_probe(radeon_connector); 1757 if (r == 1) 1758 ret = connector_status_disconnected; 1759 else 1760 ret = connector_status_connected; 1761 } 1762 } else { 1763 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */ 1764 if (radeon_ddc_probe(radeon_connector, false)) 1765 ret = connector_status_connected; 1766 } 1767 } 1768 } 1769 1770 radeon_connector_update_scratch_regs(connector, ret); 1771 1772 if ((radeon_audio != 0) && encoder) { 1773 radeon_connector_get_edid(connector); 1774 radeon_audio_detect(connector, encoder, ret); 1775 } 1776 1777 out: 1778 if (!drm_kms_helper_is_poll_worker()) { 1779 pm_runtime_mark_last_busy(connector->dev->dev); 1780 pm_runtime_put_autosuspend(connector->dev->dev); 1781 } 1782 1783 return ret; 1784 } 1785 1786 static int radeon_dp_mode_valid(struct drm_connector *connector, 1787 struct drm_display_mode *mode) 1788 { 1789 struct drm_device *dev = connector->dev; 1790 struct radeon_device *rdev = dev->dev_private; 1791 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1792 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1793 1794 /* XXX check mode bandwidth */ 1795 1796 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1797 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1798 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1799 1800 if ((mode->hdisplay < 320) || (mode->vdisplay < 240)) 1801 return MODE_PANEL; 1802 1803 if (encoder) { 1804 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 1805 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 1806 1807 /* AVIVO hardware supports downscaling modes larger than the panel 1808 * to the panel size, but I'm not sure this is desirable. 1809 */ 1810 if ((mode->hdisplay > native_mode->hdisplay) || 1811 (mode->vdisplay > native_mode->vdisplay)) 1812 return MODE_PANEL; 1813 1814 /* if scaling is disabled, block non-native modes */ 1815 if (radeon_encoder->rmx_type == RMX_OFF) { 1816 if ((mode->hdisplay != native_mode->hdisplay) || 1817 (mode->vdisplay != native_mode->vdisplay)) 1818 return MODE_PANEL; 1819 } 1820 } 1821 } else { 1822 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 1823 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) { 1824 return radeon_dp_mode_valid_helper(connector, mode); 1825 } else { 1826 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 1827 /* HDMI 1.3+ supports max clock of 340 Mhz */ 1828 if (mode->clock > 340000) 1829 return MODE_CLOCK_HIGH; 1830 } else { 1831 if (mode->clock > 165000) 1832 return MODE_CLOCK_HIGH; 1833 } 1834 } 1835 } 1836 1837 return MODE_OK; 1838 } 1839 1840 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = { 1841 .get_modes = radeon_dp_get_modes, 1842 .mode_valid = radeon_dp_mode_valid, 1843 .best_encoder = radeon_dvi_encoder, 1844 }; 1845 1846 static const struct drm_connector_funcs radeon_dp_connector_funcs = { 1847 .dpms = drm_helper_connector_dpms, 1848 .detect = radeon_dp_detect, 1849 .fill_modes = drm_helper_probe_single_connector_modes, 1850 .set_property = radeon_connector_set_property, 1851 .destroy = radeon_connector_destroy, 1852 .force = radeon_dvi_force, 1853 }; 1854 1855 static const struct drm_connector_funcs radeon_edp_connector_funcs = { 1856 .dpms = drm_helper_connector_dpms, 1857 .detect = radeon_dp_detect, 1858 .fill_modes = drm_helper_probe_single_connector_modes, 1859 .set_property = radeon_lvds_set_property, 1860 .destroy = radeon_connector_destroy, 1861 .force = radeon_dvi_force, 1862 }; 1863 1864 static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = { 1865 .dpms = drm_helper_connector_dpms, 1866 .detect = radeon_dp_detect, 1867 .fill_modes = drm_helper_probe_single_connector_modes, 1868 .set_property = radeon_lvds_set_property, 1869 .destroy = radeon_connector_destroy, 1870 .force = radeon_dvi_force, 1871 }; 1872 1873 void 1874 radeon_add_atom_connector(struct drm_device *dev, 1875 uint32_t connector_id, 1876 uint32_t supported_device, 1877 int connector_type, 1878 struct radeon_i2c_bus_rec *i2c_bus, 1879 uint32_t igp_lane_info, 1880 uint16_t connector_object_id, 1881 struct radeon_hpd *hpd, 1882 struct radeon_router *router) 1883 { 1884 struct radeon_device *rdev = dev->dev_private; 1885 struct drm_connector *connector; 1886 struct radeon_connector *radeon_connector; 1887 struct radeon_connector_atom_dig *radeon_dig_connector; 1888 struct drm_encoder *encoder; 1889 struct radeon_encoder *radeon_encoder; 1890 uint32_t subpixel_order = SubPixelNone; 1891 bool shared_ddc = false; 1892 bool is_dp_bridge = false; 1893 bool has_aux = false; 1894 1895 if (connector_type == DRM_MODE_CONNECTOR_Unknown) 1896 return; 1897 1898 /* if the user selected tv=0 don't try and add the connector */ 1899 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) || 1900 (connector_type == DRM_MODE_CONNECTOR_Composite) || 1901 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) && 1902 (radeon_tv == 0)) 1903 return; 1904 1905 /* see if we already added it */ 1906 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 1907 radeon_connector = to_radeon_connector(connector); 1908 if (radeon_connector->connector_id == connector_id) { 1909 radeon_connector->devices |= supported_device; 1910 return; 1911 } 1912 if (radeon_connector->ddc_bus && i2c_bus->valid) { 1913 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) { 1914 radeon_connector->shared_ddc = true; 1915 shared_ddc = true; 1916 } 1917 if (radeon_connector->router_bus && router->ddc_valid && 1918 (radeon_connector->router.router_id == router->router_id)) { 1919 radeon_connector->shared_ddc = false; 1920 shared_ddc = false; 1921 } 1922 } 1923 } 1924 1925 /* check if it's a dp bridge */ 1926 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 1927 radeon_encoder = to_radeon_encoder(encoder); 1928 if (radeon_encoder->devices & supported_device) { 1929 switch (radeon_encoder->encoder_id) { 1930 case ENCODER_OBJECT_ID_TRAVIS: 1931 case ENCODER_OBJECT_ID_NUTMEG: 1932 is_dp_bridge = true; 1933 break; 1934 default: 1935 break; 1936 } 1937 } 1938 } 1939 1940 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL); 1941 if (!radeon_connector) 1942 return; 1943 1944 connector = &radeon_connector->base; 1945 1946 radeon_connector->connector_id = connector_id; 1947 radeon_connector->devices = supported_device; 1948 radeon_connector->shared_ddc = shared_ddc; 1949 radeon_connector->connector_object_id = connector_object_id; 1950 radeon_connector->hpd = *hpd; 1951 1952 radeon_connector->router = *router; 1953 if (router->ddc_valid || router->cd_valid) { 1954 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info); 1955 if (!radeon_connector->router_bus) 1956 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n"); 1957 } 1958 1959 if (is_dp_bridge) { 1960 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1961 if (!radeon_dig_connector) 1962 goto failed; 1963 radeon_dig_connector->igp_lane_info = igp_lane_info; 1964 radeon_connector->con_priv = radeon_dig_connector; 1965 if (i2c_bus->valid) { 1966 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1967 if (radeon_connector->ddc_bus) 1968 has_aux = true; 1969 else 1970 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1971 } 1972 switch (connector_type) { 1973 case DRM_MODE_CONNECTOR_VGA: 1974 case DRM_MODE_CONNECTOR_DVIA: 1975 default: 1976 drm_connector_init(dev, &radeon_connector->base, 1977 &radeon_dp_connector_funcs, connector_type); 1978 drm_connector_helper_add(&radeon_connector->base, 1979 &radeon_dp_connector_helper_funcs); 1980 connector->interlace_allowed = true; 1981 connector->doublescan_allowed = true; 1982 radeon_connector->dac_load_detect = true; 1983 drm_object_attach_property(&radeon_connector->base.base, 1984 rdev->mode_info.load_detect_property, 1985 1); 1986 drm_object_attach_property(&radeon_connector->base.base, 1987 dev->mode_config.scaling_mode_property, 1988 DRM_MODE_SCALE_NONE); 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 break; 1994 case DRM_MODE_CONNECTOR_DVII: 1995 case DRM_MODE_CONNECTOR_DVID: 1996 case DRM_MODE_CONNECTOR_HDMIA: 1997 case DRM_MODE_CONNECTOR_HDMIB: 1998 case DRM_MODE_CONNECTOR_DisplayPort: 1999 drm_connector_init(dev, &radeon_connector->base, 2000 &radeon_dp_connector_funcs, connector_type); 2001 drm_connector_helper_add(&radeon_connector->base, 2002 &radeon_dp_connector_helper_funcs); 2003 drm_object_attach_property(&radeon_connector->base.base, 2004 rdev->mode_info.underscan_property, 2005 UNDERSCAN_OFF); 2006 drm_object_attach_property(&radeon_connector->base.base, 2007 rdev->mode_info.underscan_hborder_property, 2008 0); 2009 drm_object_attach_property(&radeon_connector->base.base, 2010 rdev->mode_info.underscan_vborder_property, 2011 0); 2012 2013 drm_object_attach_property(&radeon_connector->base.base, 2014 dev->mode_config.scaling_mode_property, 2015 DRM_MODE_SCALE_NONE); 2016 2017 drm_object_attach_property(&radeon_connector->base.base, 2018 rdev->mode_info.dither_property, 2019 RADEON_FMT_DITHER_DISABLE); 2020 2021 if (radeon_audio != 0) { 2022 drm_object_attach_property(&radeon_connector->base.base, 2023 rdev->mode_info.audio_property, 2024 RADEON_AUDIO_AUTO); 2025 radeon_connector->audio = RADEON_AUDIO_AUTO; 2026 } 2027 if (ASIC_IS_DCE5(rdev)) 2028 drm_object_attach_property(&radeon_connector->base.base, 2029 rdev->mode_info.output_csc_property, 2030 RADEON_OUTPUT_CSC_BYPASS); 2031 2032 subpixel_order = SubPixelHorizontalRGB; 2033 connector->interlace_allowed = true; 2034 if (connector_type == DRM_MODE_CONNECTOR_HDMIB) 2035 connector->doublescan_allowed = true; 2036 else 2037 connector->doublescan_allowed = false; 2038 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 2039 radeon_connector->dac_load_detect = true; 2040 drm_object_attach_property(&radeon_connector->base.base, 2041 rdev->mode_info.load_detect_property, 2042 1); 2043 } 2044 break; 2045 case DRM_MODE_CONNECTOR_LVDS: 2046 case DRM_MODE_CONNECTOR_eDP: 2047 drm_connector_init(dev, &radeon_connector->base, 2048 &radeon_lvds_bridge_connector_funcs, connector_type); 2049 drm_connector_helper_add(&radeon_connector->base, 2050 &radeon_dp_connector_helper_funcs); 2051 drm_object_attach_property(&radeon_connector->base.base, 2052 dev->mode_config.scaling_mode_property, 2053 DRM_MODE_SCALE_FULLSCREEN); 2054 subpixel_order = SubPixelHorizontalRGB; 2055 connector->interlace_allowed = false; 2056 connector->doublescan_allowed = false; 2057 break; 2058 } 2059 } else { 2060 switch (connector_type) { 2061 case DRM_MODE_CONNECTOR_VGA: 2062 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 2063 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2064 if (i2c_bus->valid) { 2065 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2066 if (!radeon_connector->ddc_bus) 2067 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2068 } 2069 radeon_connector->dac_load_detect = true; 2070 drm_object_attach_property(&radeon_connector->base.base, 2071 rdev->mode_info.load_detect_property, 2072 1); 2073 if (ASIC_IS_AVIVO(rdev)) 2074 drm_object_attach_property(&radeon_connector->base.base, 2075 dev->mode_config.scaling_mode_property, 2076 DRM_MODE_SCALE_NONE); 2077 if (ASIC_IS_DCE5(rdev)) 2078 drm_object_attach_property(&radeon_connector->base.base, 2079 rdev->mode_info.output_csc_property, 2080 RADEON_OUTPUT_CSC_BYPASS); 2081 /* no HPD on analog connectors */ 2082 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2083 connector->interlace_allowed = true; 2084 connector->doublescan_allowed = true; 2085 break; 2086 case DRM_MODE_CONNECTOR_DVIA: 2087 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 2088 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 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 } 2094 radeon_connector->dac_load_detect = true; 2095 drm_object_attach_property(&radeon_connector->base.base, 2096 rdev->mode_info.load_detect_property, 2097 1); 2098 if (ASIC_IS_AVIVO(rdev)) 2099 drm_object_attach_property(&radeon_connector->base.base, 2100 dev->mode_config.scaling_mode_property, 2101 DRM_MODE_SCALE_NONE); 2102 if (ASIC_IS_DCE5(rdev)) 2103 drm_object_attach_property(&radeon_connector->base.base, 2104 rdev->mode_info.output_csc_property, 2105 RADEON_OUTPUT_CSC_BYPASS); 2106 /* no HPD on analog connectors */ 2107 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2108 connector->interlace_allowed = true; 2109 connector->doublescan_allowed = true; 2110 break; 2111 case DRM_MODE_CONNECTOR_DVII: 2112 case DRM_MODE_CONNECTOR_DVID: 2113 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2114 if (!radeon_dig_connector) 2115 goto failed; 2116 radeon_dig_connector->igp_lane_info = igp_lane_info; 2117 radeon_connector->con_priv = radeon_dig_connector; 2118 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); 2119 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 2120 if (i2c_bus->valid) { 2121 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2122 if (!radeon_connector->ddc_bus) 2123 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2124 } 2125 subpixel_order = SubPixelHorizontalRGB; 2126 drm_object_attach_property(&radeon_connector->base.base, 2127 rdev->mode_info.coherent_mode_property, 2128 1); 2129 if (ASIC_IS_AVIVO(rdev)) { 2130 drm_object_attach_property(&radeon_connector->base.base, 2131 rdev->mode_info.underscan_property, 2132 UNDERSCAN_OFF); 2133 drm_object_attach_property(&radeon_connector->base.base, 2134 rdev->mode_info.underscan_hborder_property, 2135 0); 2136 drm_object_attach_property(&radeon_connector->base.base, 2137 rdev->mode_info.underscan_vborder_property, 2138 0); 2139 drm_object_attach_property(&radeon_connector->base.base, 2140 rdev->mode_info.dither_property, 2141 RADEON_FMT_DITHER_DISABLE); 2142 drm_object_attach_property(&radeon_connector->base.base, 2143 dev->mode_config.scaling_mode_property, 2144 DRM_MODE_SCALE_NONE); 2145 } 2146 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) { 2147 drm_object_attach_property(&radeon_connector->base.base, 2148 rdev->mode_info.audio_property, 2149 RADEON_AUDIO_AUTO); 2150 radeon_connector->audio = RADEON_AUDIO_AUTO; 2151 } 2152 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 2153 radeon_connector->dac_load_detect = true; 2154 drm_object_attach_property(&radeon_connector->base.base, 2155 rdev->mode_info.load_detect_property, 2156 1); 2157 } 2158 if (ASIC_IS_DCE5(rdev)) 2159 drm_object_attach_property(&radeon_connector->base.base, 2160 rdev->mode_info.output_csc_property, 2161 RADEON_OUTPUT_CSC_BYPASS); 2162 connector->interlace_allowed = true; 2163 if (connector_type == DRM_MODE_CONNECTOR_DVII) 2164 connector->doublescan_allowed = true; 2165 else 2166 connector->doublescan_allowed = false; 2167 break; 2168 case DRM_MODE_CONNECTOR_HDMIA: 2169 case DRM_MODE_CONNECTOR_HDMIB: 2170 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2171 if (!radeon_dig_connector) 2172 goto failed; 2173 radeon_dig_connector->igp_lane_info = igp_lane_info; 2174 radeon_connector->con_priv = radeon_dig_connector; 2175 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); 2176 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 2177 if (i2c_bus->valid) { 2178 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2179 if (!radeon_connector->ddc_bus) 2180 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2181 } 2182 drm_object_attach_property(&radeon_connector->base.base, 2183 rdev->mode_info.coherent_mode_property, 2184 1); 2185 if (ASIC_IS_AVIVO(rdev)) { 2186 drm_object_attach_property(&radeon_connector->base.base, 2187 rdev->mode_info.underscan_property, 2188 UNDERSCAN_OFF); 2189 drm_object_attach_property(&radeon_connector->base.base, 2190 rdev->mode_info.underscan_hborder_property, 2191 0); 2192 drm_object_attach_property(&radeon_connector->base.base, 2193 rdev->mode_info.underscan_vborder_property, 2194 0); 2195 drm_object_attach_property(&radeon_connector->base.base, 2196 rdev->mode_info.dither_property, 2197 RADEON_FMT_DITHER_DISABLE); 2198 drm_object_attach_property(&radeon_connector->base.base, 2199 dev->mode_config.scaling_mode_property, 2200 DRM_MODE_SCALE_NONE); 2201 } 2202 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) { 2203 drm_object_attach_property(&radeon_connector->base.base, 2204 rdev->mode_info.audio_property, 2205 RADEON_AUDIO_AUTO); 2206 radeon_connector->audio = RADEON_AUDIO_AUTO; 2207 } 2208 if (ASIC_IS_DCE5(rdev)) 2209 drm_object_attach_property(&radeon_connector->base.base, 2210 rdev->mode_info.output_csc_property, 2211 RADEON_OUTPUT_CSC_BYPASS); 2212 subpixel_order = SubPixelHorizontalRGB; 2213 connector->interlace_allowed = true; 2214 if (connector_type == DRM_MODE_CONNECTOR_HDMIB) 2215 connector->doublescan_allowed = true; 2216 else 2217 connector->doublescan_allowed = false; 2218 break; 2219 case DRM_MODE_CONNECTOR_DisplayPort: 2220 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2221 if (!radeon_dig_connector) 2222 goto failed; 2223 radeon_dig_connector->igp_lane_info = igp_lane_info; 2224 radeon_connector->con_priv = radeon_dig_connector; 2225 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type); 2226 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); 2227 if (i2c_bus->valid) { 2228 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2229 if (radeon_connector->ddc_bus) 2230 has_aux = true; 2231 else 2232 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2233 } 2234 subpixel_order = SubPixelHorizontalRGB; 2235 drm_object_attach_property(&radeon_connector->base.base, 2236 rdev->mode_info.coherent_mode_property, 2237 1); 2238 if (ASIC_IS_AVIVO(rdev)) { 2239 drm_object_attach_property(&radeon_connector->base.base, 2240 rdev->mode_info.underscan_property, 2241 UNDERSCAN_OFF); 2242 drm_object_attach_property(&radeon_connector->base.base, 2243 rdev->mode_info.underscan_hborder_property, 2244 0); 2245 drm_object_attach_property(&radeon_connector->base.base, 2246 rdev->mode_info.underscan_vborder_property, 2247 0); 2248 drm_object_attach_property(&radeon_connector->base.base, 2249 rdev->mode_info.dither_property, 2250 RADEON_FMT_DITHER_DISABLE); 2251 drm_object_attach_property(&radeon_connector->base.base, 2252 dev->mode_config.scaling_mode_property, 2253 DRM_MODE_SCALE_NONE); 2254 } 2255 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) { 2256 drm_object_attach_property(&radeon_connector->base.base, 2257 rdev->mode_info.audio_property, 2258 RADEON_AUDIO_AUTO); 2259 radeon_connector->audio = RADEON_AUDIO_AUTO; 2260 } 2261 if (ASIC_IS_DCE5(rdev)) 2262 drm_object_attach_property(&radeon_connector->base.base, 2263 rdev->mode_info.output_csc_property, 2264 RADEON_OUTPUT_CSC_BYPASS); 2265 connector->interlace_allowed = true; 2266 /* in theory with a DP to VGA converter... */ 2267 connector->doublescan_allowed = false; 2268 break; 2269 case DRM_MODE_CONNECTOR_eDP: 2270 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2271 if (!radeon_dig_connector) 2272 goto failed; 2273 radeon_dig_connector->igp_lane_info = igp_lane_info; 2274 radeon_connector->con_priv = radeon_dig_connector; 2275 drm_connector_init(dev, &radeon_connector->base, &radeon_edp_connector_funcs, connector_type); 2276 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); 2277 if (i2c_bus->valid) { 2278 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2279 if (radeon_connector->ddc_bus) 2280 has_aux = true; 2281 else 2282 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2283 } 2284 drm_object_attach_property(&radeon_connector->base.base, 2285 dev->mode_config.scaling_mode_property, 2286 DRM_MODE_SCALE_FULLSCREEN); 2287 subpixel_order = SubPixelHorizontalRGB; 2288 connector->interlace_allowed = false; 2289 connector->doublescan_allowed = false; 2290 break; 2291 case DRM_MODE_CONNECTOR_SVIDEO: 2292 case DRM_MODE_CONNECTOR_Composite: 2293 case DRM_MODE_CONNECTOR_9PinDIN: 2294 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type); 2295 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs); 2296 radeon_connector->dac_load_detect = true; 2297 drm_object_attach_property(&radeon_connector->base.base, 2298 rdev->mode_info.load_detect_property, 2299 1); 2300 drm_object_attach_property(&radeon_connector->base.base, 2301 rdev->mode_info.tv_std_property, 2302 radeon_atombios_get_tv_info(rdev)); 2303 /* no HPD on analog connectors */ 2304 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2305 connector->interlace_allowed = false; 2306 connector->doublescan_allowed = false; 2307 break; 2308 case DRM_MODE_CONNECTOR_LVDS: 2309 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2310 if (!radeon_dig_connector) 2311 goto failed; 2312 radeon_dig_connector->igp_lane_info = igp_lane_info; 2313 radeon_connector->con_priv = radeon_dig_connector; 2314 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type); 2315 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs); 2316 if (i2c_bus->valid) { 2317 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2318 if (!radeon_connector->ddc_bus) 2319 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2320 } 2321 drm_object_attach_property(&radeon_connector->base.base, 2322 dev->mode_config.scaling_mode_property, 2323 DRM_MODE_SCALE_FULLSCREEN); 2324 subpixel_order = SubPixelHorizontalRGB; 2325 connector->interlace_allowed = false; 2326 connector->doublescan_allowed = false; 2327 break; 2328 } 2329 } 2330 2331 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) { 2332 if (i2c_bus->valid) { 2333 connector->polled = DRM_CONNECTOR_POLL_CONNECT | 2334 DRM_CONNECTOR_POLL_DISCONNECT; 2335 } 2336 } else 2337 connector->polled = DRM_CONNECTOR_POLL_HPD; 2338 2339 connector->display_info.subpixel_order = subpixel_order; 2340 drm_connector_register(connector); 2341 2342 if (has_aux) 2343 radeon_dp_aux_init(radeon_connector); 2344 2345 return; 2346 2347 failed: 2348 drm_connector_cleanup(connector); 2349 kfree(connector); 2350 } 2351 2352 void 2353 radeon_add_legacy_connector(struct drm_device *dev, 2354 uint32_t connector_id, 2355 uint32_t supported_device, 2356 int connector_type, 2357 struct radeon_i2c_bus_rec *i2c_bus, 2358 uint16_t connector_object_id, 2359 struct radeon_hpd *hpd) 2360 { 2361 struct radeon_device *rdev = dev->dev_private; 2362 struct drm_connector *connector; 2363 struct radeon_connector *radeon_connector; 2364 uint32_t subpixel_order = SubPixelNone; 2365 2366 if (connector_type == DRM_MODE_CONNECTOR_Unknown) 2367 return; 2368 2369 /* if the user selected tv=0 don't try and add the connector */ 2370 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) || 2371 (connector_type == DRM_MODE_CONNECTOR_Composite) || 2372 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) && 2373 (radeon_tv == 0)) 2374 return; 2375 2376 /* see if we already added it */ 2377 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 2378 radeon_connector = to_radeon_connector(connector); 2379 if (radeon_connector->connector_id == connector_id) { 2380 radeon_connector->devices |= supported_device; 2381 return; 2382 } 2383 } 2384 2385 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL); 2386 if (!radeon_connector) 2387 return; 2388 2389 connector = &radeon_connector->base; 2390 2391 radeon_connector->connector_id = connector_id; 2392 radeon_connector->devices = supported_device; 2393 radeon_connector->connector_object_id = connector_object_id; 2394 radeon_connector->hpd = *hpd; 2395 2396 switch (connector_type) { 2397 case DRM_MODE_CONNECTOR_VGA: 2398 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 2399 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2400 if (i2c_bus->valid) { 2401 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2402 if (!radeon_connector->ddc_bus) 2403 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2404 } 2405 radeon_connector->dac_load_detect = true; 2406 drm_object_attach_property(&radeon_connector->base.base, 2407 rdev->mode_info.load_detect_property, 2408 1); 2409 /* no HPD on analog connectors */ 2410 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2411 connector->interlace_allowed = true; 2412 connector->doublescan_allowed = true; 2413 break; 2414 case DRM_MODE_CONNECTOR_DVIA: 2415 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 2416 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2417 if (i2c_bus->valid) { 2418 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2419 if (!radeon_connector->ddc_bus) 2420 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2421 } 2422 radeon_connector->dac_load_detect = true; 2423 drm_object_attach_property(&radeon_connector->base.base, 2424 rdev->mode_info.load_detect_property, 2425 1); 2426 /* no HPD on analog connectors */ 2427 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2428 connector->interlace_allowed = true; 2429 connector->doublescan_allowed = true; 2430 break; 2431 case DRM_MODE_CONNECTOR_DVII: 2432 case DRM_MODE_CONNECTOR_DVID: 2433 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); 2434 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 2435 if (i2c_bus->valid) { 2436 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2437 if (!radeon_connector->ddc_bus) 2438 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2439 } 2440 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 2441 radeon_connector->dac_load_detect = true; 2442 drm_object_attach_property(&radeon_connector->base.base, 2443 rdev->mode_info.load_detect_property, 2444 1); 2445 } 2446 subpixel_order = SubPixelHorizontalRGB; 2447 connector->interlace_allowed = true; 2448 if (connector_type == DRM_MODE_CONNECTOR_DVII) 2449 connector->doublescan_allowed = true; 2450 else 2451 connector->doublescan_allowed = false; 2452 break; 2453 case DRM_MODE_CONNECTOR_SVIDEO: 2454 case DRM_MODE_CONNECTOR_Composite: 2455 case DRM_MODE_CONNECTOR_9PinDIN: 2456 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type); 2457 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs); 2458 radeon_connector->dac_load_detect = true; 2459 /* RS400,RC410,RS480 chipset seems to report a lot 2460 * of false positive on load detect, we haven't yet 2461 * found a way to make load detect reliable on those 2462 * chipset, thus just disable it for TV. 2463 */ 2464 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480) 2465 radeon_connector->dac_load_detect = false; 2466 drm_object_attach_property(&radeon_connector->base.base, 2467 rdev->mode_info.load_detect_property, 2468 radeon_connector->dac_load_detect); 2469 drm_object_attach_property(&radeon_connector->base.base, 2470 rdev->mode_info.tv_std_property, 2471 radeon_combios_get_tv_info(rdev)); 2472 /* no HPD on analog connectors */ 2473 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2474 connector->interlace_allowed = false; 2475 connector->doublescan_allowed = false; 2476 break; 2477 case DRM_MODE_CONNECTOR_LVDS: 2478 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type); 2479 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs); 2480 if (i2c_bus->valid) { 2481 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2482 if (!radeon_connector->ddc_bus) 2483 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2484 } 2485 drm_object_attach_property(&radeon_connector->base.base, 2486 dev->mode_config.scaling_mode_property, 2487 DRM_MODE_SCALE_FULLSCREEN); 2488 subpixel_order = SubPixelHorizontalRGB; 2489 connector->interlace_allowed = false; 2490 connector->doublescan_allowed = false; 2491 break; 2492 } 2493 2494 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) { 2495 if (i2c_bus->valid) { 2496 connector->polled = DRM_CONNECTOR_POLL_CONNECT | 2497 DRM_CONNECTOR_POLL_DISCONNECT; 2498 } 2499 } else 2500 connector->polled = DRM_CONNECTOR_POLL_HPD; 2501 2502 connector->display_info.subpixel_order = subpixel_order; 2503 drm_connector_register(connector); 2504 } 2505 2506 void radeon_setup_mst_connector(struct drm_device *dev) 2507 { 2508 struct radeon_device *rdev = dev->dev_private; 2509 struct drm_connector *connector; 2510 struct radeon_connector *radeon_connector; 2511 2512 if (!ASIC_IS_DCE5(rdev)) 2513 return; 2514 2515 if (radeon_mst == 0) 2516 return; 2517 2518 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 2519 int ret; 2520 2521 radeon_connector = to_radeon_connector(connector); 2522 2523 if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort) 2524 continue; 2525 2526 ret = radeon_dp_mst_init(radeon_connector); 2527 } 2528 } 2529
Indexes created Wed Oct 22 13:09:56 GMT 2025