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