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 "drmP.h" 27 #include "drm_edid.h" 28 #include "drm_crtc_helper.h" 29 #include "drm_fb_helper.h" 30 #include "radeon_drm.h" 31 #include "radeon.h" 32 #include "atom.h" 33 34 extern void 35 radeon_combios_connected_scratch_regs(struct drm_connector *connector, 36 struct drm_encoder *encoder, 37 bool connected); 38 extern void 39 radeon_atombios_connected_scratch_regs(struct drm_connector *connector, 40 struct drm_encoder *encoder, 41 bool connected); 42 43 extern void 44 radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder, 45 struct drm_connector *drm_connector); 46 47 void radeon_connector_hotplug(struct drm_connector *connector) 48 { 49 struct drm_device *dev = connector->dev; 50 struct radeon_device *rdev = dev->dev_private; 51 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 52 53 /* bail if the connector does not have hpd pin, e.g., 54 * VGA, TV, etc. 55 */ 56 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) 57 return; 58 59 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); 60 61 /* if the connector is already off, don't turn it back on */ 62 if (connector->dpms != DRM_MODE_DPMS_ON) 63 return; 64 65 /* just deal with DP (not eDP) here. */ 66 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) { 67 int saved_dpms = connector->dpms; 68 69 /* Only turn off the display it it's physically disconnected */ 70 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) 71 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); 72 else if (radeon_dp_needs_link_train(radeon_connector)) 73 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); 74 connector->dpms = saved_dpms; 75 } 76 } 77 78 static void radeon_property_change_mode(struct drm_encoder *encoder) 79 { 80 struct drm_crtc *crtc = encoder->crtc; 81 82 if (crtc && crtc->enabled) { 83 drm_crtc_helper_set_mode(crtc, &crtc->mode, 84 crtc->x, crtc->y, crtc->fb); 85 } 86 } 87 static void 88 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status) 89 { 90 struct drm_device *dev = connector->dev; 91 struct radeon_device *rdev = dev->dev_private; 92 struct drm_encoder *best_encoder = NULL; 93 struct drm_encoder *encoder = NULL; 94 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 95 struct drm_mode_object *obj; 96 bool connected; 97 int i; 98 99 best_encoder = connector_funcs->best_encoder(connector); 100 101 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 102 if (connector->encoder_ids[i] == 0) 103 break; 104 105 obj = drm_mode_object_find(connector->dev, 106 connector->encoder_ids[i], 107 DRM_MODE_OBJECT_ENCODER); 108 if (!obj) 109 continue; 110 111 encoder = obj_to_encoder(obj); 112 113 if ((encoder == best_encoder) && (status == connector_status_connected)) 114 connected = true; 115 else 116 connected = false; 117 118 if (rdev->is_atom_bios) 119 radeon_atombios_connected_scratch_regs(connector, encoder, connected); 120 else 121 radeon_combios_connected_scratch_regs(connector, encoder, connected); 122 123 } 124 } 125 126 struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type) 127 { 128 struct drm_mode_object *obj; 129 struct drm_encoder *encoder; 130 int i; 131 132 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 133 if (connector->encoder_ids[i] == 0) 134 break; 135 136 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER); 137 if (!obj) 138 continue; 139 140 encoder = obj_to_encoder(obj); 141 if (encoder->encoder_type == encoder_type) 142 return encoder; 143 } 144 return NULL; 145 } 146 147 struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector) 148 { 149 int enc_id = connector->encoder_ids[0]; 150 struct drm_mode_object *obj; 151 struct drm_encoder *encoder; 152 153 /* pick the encoder ids */ 154 if (enc_id) { 155 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER); 156 if (!obj) 157 return NULL; 158 encoder = obj_to_encoder(obj); 159 return encoder; 160 } 161 return NULL; 162 } 163 164 /* 165 * radeon_connector_analog_encoder_conflict_solve 166 * - search for other connectors sharing this encoder 167 * if priority is true, then set them disconnected if this is connected 168 * if priority is false, set us disconnected if they are connected 169 */ 170 static enum drm_connector_status 171 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector, 172 struct drm_encoder *encoder, 173 enum drm_connector_status current_status, 174 bool priority) 175 { 176 struct drm_device *dev = connector->dev; 177 struct drm_connector *conflict; 178 struct radeon_connector *radeon_conflict; 179 int i; 180 181 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) { 182 if (conflict == connector) 183 continue; 184 185 radeon_conflict = to_radeon_connector(conflict); 186 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 187 if (conflict->encoder_ids[i] == 0) 188 break; 189 190 /* if the IDs match */ 191 if (conflict->encoder_ids[i] == encoder->base.id) { 192 if (conflict->status != connector_status_connected) 193 continue; 194 195 if (radeon_conflict->use_digital) 196 continue; 197 198 if (priority == true) { 199 DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict)); 200 DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(connector)); 201 conflict->status = connector_status_disconnected; 202 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected); 203 } else { 204 DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector)); 205 DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict)); 206 current_status = connector_status_disconnected; 207 } 208 break; 209 } 210 } 211 } 212 return current_status; 213 214 } 215 216 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder) 217 { 218 struct drm_device *dev = encoder->dev; 219 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 220 struct drm_display_mode *mode = NULL; 221 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 222 223 if (native_mode->hdisplay != 0 && 224 native_mode->vdisplay != 0 && 225 native_mode->clock != 0) { 226 mode = drm_mode_duplicate(dev, native_mode); 227 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; 228 drm_mode_set_name(mode); 229 230 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name); 231 } else if (native_mode->hdisplay != 0 && 232 native_mode->vdisplay != 0) { 233 /* mac laptops without an edid */ 234 /* Note that this is not necessarily the exact panel mode, 235 * but an approximation based on the cvt formula. For these 236 * systems we should ideally read the mode info out of the 237 * registers or add a mode table, but this works and is much 238 * simpler. 239 */ 240 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false); 241 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; 242 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name); 243 } 244 return mode; 245 } 246 247 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector) 248 { 249 struct drm_device *dev = encoder->dev; 250 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 251 struct drm_display_mode *mode = NULL; 252 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 253 int i; 254 struct mode_size { 255 int w; 256 int h; 257 } common_modes[17] = { 258 { 640, 480}, 259 { 720, 480}, 260 { 800, 600}, 261 { 848, 480}, 262 {1024, 768}, 263 {1152, 768}, 264 {1280, 720}, 265 {1280, 800}, 266 {1280, 854}, 267 {1280, 960}, 268 {1280, 1024}, 269 {1440, 900}, 270 {1400, 1050}, 271 {1680, 1050}, 272 {1600, 1200}, 273 {1920, 1080}, 274 {1920, 1200} 275 }; 276 277 for (i = 0; i < 17; i++) { 278 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) { 279 if (common_modes[i].w > 1024 || 280 common_modes[i].h > 768) 281 continue; 282 } 283 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { 284 if (common_modes[i].w > native_mode->hdisplay || 285 common_modes[i].h > native_mode->vdisplay || 286 (common_modes[i].w == native_mode->hdisplay && 287 common_modes[i].h == native_mode->vdisplay)) 288 continue; 289 } 290 if (common_modes[i].w < 320 || common_modes[i].h < 200) 291 continue; 292 293 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false); 294 drm_mode_probed_add(connector, mode); 295 } 296 } 297 298 int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property, 299 uint64_t val) 300 { 301 struct drm_device *dev = connector->dev; 302 struct radeon_device *rdev = dev->dev_private; 303 struct drm_encoder *encoder; 304 struct radeon_encoder *radeon_encoder; 305 306 if (property == rdev->mode_info.coherent_mode_property) { 307 struct radeon_encoder_atom_dig *dig; 308 bool new_coherent_mode; 309 310 /* need to find digital encoder on connector */ 311 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 312 if (!encoder) 313 return 0; 314 315 radeon_encoder = to_radeon_encoder(encoder); 316 317 if (!radeon_encoder->enc_priv) 318 return 0; 319 320 dig = radeon_encoder->enc_priv; 321 new_coherent_mode = val ? true : false; 322 if (dig->coherent_mode != new_coherent_mode) { 323 dig->coherent_mode = new_coherent_mode; 324 radeon_property_change_mode(&radeon_encoder->base); 325 } 326 } 327 328 if (property == rdev->mode_info.underscan_property) { 329 /* need to find digital encoder on connector */ 330 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 331 if (!encoder) 332 return 0; 333 334 radeon_encoder = to_radeon_encoder(encoder); 335 336 if (radeon_encoder->underscan_type != val) { 337 radeon_encoder->underscan_type = val; 338 radeon_property_change_mode(&radeon_encoder->base); 339 } 340 } 341 342 if (property == rdev->mode_info.underscan_hborder_property) { 343 /* need to find digital encoder on connector */ 344 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 345 if (!encoder) 346 return 0; 347 348 radeon_encoder = to_radeon_encoder(encoder); 349 350 if (radeon_encoder->underscan_hborder != val) { 351 radeon_encoder->underscan_hborder = val; 352 radeon_property_change_mode(&radeon_encoder->base); 353 } 354 } 355 356 if (property == rdev->mode_info.underscan_vborder_property) { 357 /* need to find digital encoder on connector */ 358 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 359 if (!encoder) 360 return 0; 361 362 radeon_encoder = to_radeon_encoder(encoder); 363 364 if (radeon_encoder->underscan_vborder != val) { 365 radeon_encoder->underscan_vborder = val; 366 radeon_property_change_mode(&radeon_encoder->base); 367 } 368 } 369 370 if (property == rdev->mode_info.tv_std_property) { 371 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC); 372 if (!encoder) { 373 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC); 374 } 375 376 if (!encoder) 377 return 0; 378 379 radeon_encoder = to_radeon_encoder(encoder); 380 if (!radeon_encoder->enc_priv) 381 return 0; 382 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) { 383 struct radeon_encoder_atom_dac *dac_int; 384 dac_int = radeon_encoder->enc_priv; 385 dac_int->tv_std = val; 386 } else { 387 struct radeon_encoder_tv_dac *dac_int; 388 dac_int = radeon_encoder->enc_priv; 389 dac_int->tv_std = val; 390 } 391 radeon_property_change_mode(&radeon_encoder->base); 392 } 393 394 if (property == rdev->mode_info.load_detect_property) { 395 struct radeon_connector *radeon_connector = 396 to_radeon_connector(connector); 397 398 if (val == 0) 399 radeon_connector->dac_load_detect = false; 400 else 401 radeon_connector->dac_load_detect = true; 402 } 403 404 if (property == rdev->mode_info.tmds_pll_property) { 405 struct radeon_encoder_int_tmds *tmds = NULL; 406 bool ret = false; 407 /* need to find digital encoder on connector */ 408 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 409 if (!encoder) 410 return 0; 411 412 radeon_encoder = to_radeon_encoder(encoder); 413 414 tmds = radeon_encoder->enc_priv; 415 if (!tmds) 416 return 0; 417 418 if (val == 0) { 419 if (rdev->is_atom_bios) 420 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds); 421 else 422 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds); 423 } 424 if (val == 1 || ret == false) { 425 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds); 426 } 427 radeon_property_change_mode(&radeon_encoder->base); 428 } 429 430 return 0; 431 } 432 433 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder, 434 struct drm_connector *connector) 435 { 436 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 437 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 438 struct drm_display_mode *t, *mode; 439 440 /* If the EDID preferred mode doesn't match the native mode, use it */ 441 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) { 442 if (mode->type & DRM_MODE_TYPE_PREFERRED) { 443 if (mode->hdisplay != native_mode->hdisplay || 444 mode->vdisplay != native_mode->vdisplay) 445 memcpy(native_mode, mode, sizeof(*mode)); 446 } 447 } 448 449 /* Try to get native mode details from EDID if necessary */ 450 if (!native_mode->clock) { 451 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) { 452 if (mode->hdisplay == native_mode->hdisplay && 453 mode->vdisplay == native_mode->vdisplay) { 454 *native_mode = *mode; 455 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V); 456 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n"); 457 break; 458 } 459 } 460 } 461 462 if (!native_mode->clock) { 463 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n"); 464 radeon_encoder->rmx_type = RMX_OFF; 465 } 466 } 467 468 static int radeon_lvds_get_modes(struct drm_connector *connector) 469 { 470 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 471 struct drm_encoder *encoder; 472 int ret = 0; 473 struct drm_display_mode *mode; 474 475 if (radeon_connector->ddc_bus) { 476 ret = radeon_ddc_get_modes(radeon_connector); 477 if (ret > 0) { 478 encoder = radeon_best_single_encoder(connector); 479 if (encoder) { 480 radeon_fixup_lvds_native_mode(encoder, connector); 481 /* add scaled modes */ 482 radeon_add_common_modes(encoder, connector); 483 } 484 return ret; 485 } 486 } 487 488 encoder = radeon_best_single_encoder(connector); 489 if (!encoder) 490 return 0; 491 492 /* we have no EDID modes */ 493 mode = radeon_fp_native_mode(encoder); 494 if (mode) { 495 ret = 1; 496 drm_mode_probed_add(connector, mode); 497 /* add the width/height from vbios tables if available */ 498 connector->display_info.width_mm = mode->width_mm; 499 connector->display_info.height_mm = mode->height_mm; 500 /* add scaled modes */ 501 radeon_add_common_modes(encoder, connector); 502 } 503 504 return ret; 505 } 506 507 static int radeon_lvds_mode_valid(struct drm_connector *connector, 508 struct drm_display_mode *mode) 509 { 510 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 511 512 if ((mode->hdisplay < 320) || (mode->vdisplay < 240)) 513 return MODE_PANEL; 514 515 if (encoder) { 516 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 517 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 518 519 /* AVIVO hardware supports downscaling modes larger than the panel 520 * to the panel size, but I'm not sure this is desirable. 521 */ 522 if ((mode->hdisplay > native_mode->hdisplay) || 523 (mode->vdisplay > native_mode->vdisplay)) 524 return MODE_PANEL; 525 526 /* if scaling is disabled, block non-native modes */ 527 if (radeon_encoder->rmx_type == RMX_OFF) { 528 if ((mode->hdisplay != native_mode->hdisplay) || 529 (mode->vdisplay != native_mode->vdisplay)) 530 return MODE_PANEL; 531 } 532 } 533 534 return MODE_OK; 535 } 536 537 static enum drm_connector_status 538 radeon_lvds_detect(struct drm_connector *connector, bool force) 539 { 540 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 541 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 542 enum drm_connector_status ret = connector_status_disconnected; 543 544 if (encoder) { 545 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 546 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 547 548 /* check if panel is valid */ 549 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240) 550 ret = connector_status_connected; 551 552 } 553 554 /* check for edid as well */ 555 if (radeon_connector->edid) 556 ret = connector_status_connected; 557 else { 558 if (radeon_connector->ddc_bus) { 559 radeon_connector->edid = drm_get_edid(&radeon_connector->base, 560 &radeon_connector->ddc_bus->adapter); 561 if (radeon_connector->edid) 562 ret = connector_status_connected; 563 } 564 } 565 /* check acpi lid status ??? */ 566 567 radeon_connector_update_scratch_regs(connector, ret); 568 return ret; 569 } 570 571 static void radeon_connector_destroy(struct drm_connector *connector) 572 { 573 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 574 575 if (radeon_connector->edid) 576 kfree(radeon_connector->edid); 577 kfree(radeon_connector->con_priv); 578 drm_sysfs_connector_remove(connector); 579 drm_connector_cleanup(connector); 580 kfree(connector); 581 } 582 583 static int radeon_lvds_set_property(struct drm_connector *connector, 584 struct drm_property *property, 585 uint64_t value) 586 { 587 struct drm_device *dev = connector->dev; 588 struct radeon_encoder *radeon_encoder; 589 enum radeon_rmx_type rmx_type; 590 591 DRM_DEBUG_KMS("\n"); 592 if (property != dev->mode_config.scaling_mode_property) 593 return 0; 594 595 if (connector->encoder) 596 radeon_encoder = to_radeon_encoder(connector->encoder); 597 else { 598 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 599 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); 600 } 601 602 switch (value) { 603 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break; 604 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break; 605 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break; 606 default: 607 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break; 608 } 609 if (radeon_encoder->rmx_type == rmx_type) 610 return 0; 611 612 radeon_encoder->rmx_type = rmx_type; 613 614 radeon_property_change_mode(&radeon_encoder->base); 615 return 0; 616 } 617 618 619 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = { 620 .get_modes = radeon_lvds_get_modes, 621 .mode_valid = radeon_lvds_mode_valid, 622 .best_encoder = radeon_best_single_encoder, 623 }; 624 625 struct drm_connector_funcs radeon_lvds_connector_funcs = { 626 .dpms = drm_helper_connector_dpms, 627 .detect = radeon_lvds_detect, 628 .fill_modes = drm_helper_probe_single_connector_modes, 629 .destroy = radeon_connector_destroy, 630 .set_property = radeon_lvds_set_property, 631 }; 632 633 static int radeon_vga_get_modes(struct drm_connector *connector) 634 { 635 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 636 int ret; 637 638 ret = radeon_ddc_get_modes(radeon_connector); 639 640 return ret; 641 } 642 643 static int radeon_vga_mode_valid(struct drm_connector *connector, 644 struct drm_display_mode *mode) 645 { 646 struct drm_device *dev = connector->dev; 647 struct radeon_device *rdev = dev->dev_private; 648 649 /* XXX check mode bandwidth */ 650 651 if ((mode->clock / 10) > rdev->clock.max_pixel_clock) 652 return MODE_CLOCK_HIGH; 653 654 return MODE_OK; 655 } 656 657 static enum drm_connector_status 658 radeon_vga_detect(struct drm_connector *connector, bool force) 659 { 660 struct drm_device *dev = connector->dev; 661 struct radeon_device *rdev = dev->dev_private; 662 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 663 struct drm_encoder *encoder; 664 struct drm_encoder_helper_funcs *encoder_funcs; 665 bool dret = false; 666 enum drm_connector_status ret = connector_status_disconnected; 667 668 encoder = radeon_best_single_encoder(connector); 669 if (!encoder) 670 ret = connector_status_disconnected; 671 672 if (radeon_connector->ddc_bus) 673 dret = radeon_ddc_probe(radeon_connector); 674 if (dret) { 675 radeon_connector->detected_by_load = false; 676 if (radeon_connector->edid) { 677 kfree(radeon_connector->edid); 678 radeon_connector->edid = NULL; 679 } 680 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter); 681 682 if (!radeon_connector->edid) { 683 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n", 684 drm_get_connector_name(connector)); 685 ret = connector_status_connected; 686 } else { 687 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL); 688 689 /* some oems have boards with separate digital and analog connectors 690 * with a shared ddc line (often vga + hdmi) 691 */ 692 if (radeon_connector->use_digital && radeon_connector->shared_ddc) { 693 kfree(radeon_connector->edid); 694 radeon_connector->edid = NULL; 695 ret = connector_status_disconnected; 696 } else 697 ret = connector_status_connected; 698 } 699 } else { 700 701 /* if we aren't forcing don't do destructive polling */ 702 if (!force) { 703 /* only return the previous status if we last 704 * detected a monitor via load. 705 */ 706 if (radeon_connector->detected_by_load) 707 return connector->status; 708 else 709 return ret; 710 } 711 712 if (radeon_connector->dac_load_detect && encoder) { 713 encoder_funcs = encoder->helper_private; 714 ret = encoder_funcs->detect(encoder, connector); 715 if (ret != connector_status_disconnected) 716 radeon_connector->detected_by_load = true; 717 } 718 } 719 720 if (ret == connector_status_connected) 721 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true); 722 723 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the 724 * vbios to deal with KVMs. If we have one and are not able to detect a monitor 725 * by other means, assume the CRT is connected and use that EDID. 726 */ 727 if ((!rdev->is_atom_bios) && 728 (ret == connector_status_disconnected) && 729 rdev->mode_info.bios_hardcoded_edid_size) { 730 ret = connector_status_connected; 731 } 732 733 radeon_connector_update_scratch_regs(connector, ret); 734 return ret; 735 } 736 737 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = { 738 .get_modes = radeon_vga_get_modes, 739 .mode_valid = radeon_vga_mode_valid, 740 .best_encoder = radeon_best_single_encoder, 741 }; 742 743 struct drm_connector_funcs radeon_vga_connector_funcs = { 744 .dpms = drm_helper_connector_dpms, 745 .detect = radeon_vga_detect, 746 .fill_modes = drm_helper_probe_single_connector_modes, 747 .destroy = radeon_connector_destroy, 748 .set_property = radeon_connector_set_property, 749 }; 750 751 static int radeon_tv_get_modes(struct drm_connector *connector) 752 { 753 struct drm_device *dev = connector->dev; 754 struct radeon_device *rdev = dev->dev_private; 755 struct drm_display_mode *tv_mode; 756 struct drm_encoder *encoder; 757 758 encoder = radeon_best_single_encoder(connector); 759 if (!encoder) 760 return 0; 761 762 /* avivo chips can scale any mode */ 763 if (rdev->family >= CHIP_RS600) 764 /* add scaled modes */ 765 radeon_add_common_modes(encoder, connector); 766 else { 767 /* only 800x600 is supported right now on pre-avivo chips */ 768 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false); 769 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; 770 drm_mode_probed_add(connector, tv_mode); 771 } 772 return 1; 773 } 774 775 static int radeon_tv_mode_valid(struct drm_connector *connector, 776 struct drm_display_mode *mode) 777 { 778 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768)) 779 return MODE_CLOCK_RANGE; 780 return MODE_OK; 781 } 782 783 static enum drm_connector_status 784 radeon_tv_detect(struct drm_connector *connector, bool force) 785 { 786 struct drm_encoder *encoder; 787 struct drm_encoder_helper_funcs *encoder_funcs; 788 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 789 enum drm_connector_status ret = connector_status_disconnected; 790 791 if (!radeon_connector->dac_load_detect) 792 return ret; 793 794 encoder = radeon_best_single_encoder(connector); 795 if (!encoder) 796 ret = connector_status_disconnected; 797 else { 798 encoder_funcs = encoder->helper_private; 799 ret = encoder_funcs->detect(encoder, connector); 800 } 801 if (ret == connector_status_connected) 802 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false); 803 radeon_connector_update_scratch_regs(connector, ret); 804 return ret; 805 } 806 807 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = { 808 .get_modes = radeon_tv_get_modes, 809 .mode_valid = radeon_tv_mode_valid, 810 .best_encoder = radeon_best_single_encoder, 811 }; 812 813 struct drm_connector_funcs radeon_tv_connector_funcs = { 814 .dpms = drm_helper_connector_dpms, 815 .detect = radeon_tv_detect, 816 .fill_modes = drm_helper_probe_single_connector_modes, 817 .destroy = radeon_connector_destroy, 818 .set_property = radeon_connector_set_property, 819 }; 820 821 static int radeon_dvi_get_modes(struct drm_connector *connector) 822 { 823 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 824 int ret; 825 826 ret = radeon_ddc_get_modes(radeon_connector); 827 return ret; 828 } 829 830 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector) 831 { 832 struct drm_device *dev = connector->dev; 833 struct radeon_device *rdev = dev->dev_private; 834 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 835 enum drm_connector_status status; 836 837 /* We only trust HPD on R600 and newer ASICS. */ 838 if (rdev->family >= CHIP_R600 839 && radeon_connector->hpd.hpd != RADEON_HPD_NONE) { 840 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) 841 status = connector_status_connected; 842 else 843 status = connector_status_disconnected; 844 if (connector->status == status) 845 return true; 846 } 847 848 return false; 849 } 850 851 /* 852 * DVI is complicated 853 * Do a DDC probe, if DDC probe passes, get the full EDID so 854 * we can do analog/digital monitor detection at this point. 855 * If the monitor is an analog monitor or we got no DDC, 856 * we need to find the DAC encoder object for this connector. 857 * If we got no DDC, we do load detection on the DAC encoder object. 858 * If we got analog DDC or load detection passes on the DAC encoder 859 * we have to check if this analog encoder is shared with anyone else (TV) 860 * if its shared we have to set the other connector to disconnected. 861 */ 862 static enum drm_connector_status 863 radeon_dvi_detect(struct drm_connector *connector, bool force) 864 { 865 struct drm_device *dev = connector->dev; 866 struct radeon_device *rdev = dev->dev_private; 867 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 868 struct drm_encoder *encoder = NULL; 869 struct drm_encoder_helper_funcs *encoder_funcs; 870 struct drm_mode_object *obj; 871 int i; 872 enum drm_connector_status ret = connector_status_disconnected; 873 bool dret = false; 874 875 if (!force && radeon_check_hpd_status_unchanged(connector)) 876 return connector->status; 877 878 if (radeon_connector->ddc_bus) 879 dret = radeon_ddc_probe(radeon_connector); 880 if (dret) { 881 radeon_connector->detected_by_load = false; 882 if (radeon_connector->edid) { 883 kfree(radeon_connector->edid); 884 radeon_connector->edid = NULL; 885 } 886 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter); 887 888 if (!radeon_connector->edid) { 889 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n", 890 drm_get_connector_name(connector)); 891 /* rs690 seems to have a problem with connectors not existing and always 892 * return a block of 0's. If we see this just stop polling on this output */ 893 if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && radeon_connector->base.null_edid_counter) { 894 ret = connector_status_disconnected; 895 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector)); 896 radeon_connector->ddc_bus = NULL; 897 } 898 } else { 899 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL); 900 901 /* some oems have boards with separate digital and analog connectors 902 * with a shared ddc line (often vga + hdmi) 903 */ 904 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) { 905 kfree(radeon_connector->edid); 906 radeon_connector->edid = NULL; 907 ret = connector_status_disconnected; 908 } else 909 ret = connector_status_connected; 910 911 /* This gets complicated. We have boards with VGA + HDMI with a 912 * shared DDC line and we have boards with DVI-D + HDMI with a shared 913 * DDC line. The latter is more complex because with DVI<->HDMI adapters 914 * you don't really know what's connected to which port as both are digital. 915 */ 916 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) { 917 struct drm_connector *list_connector; 918 struct radeon_connector *list_radeon_connector; 919 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) { 920 if (connector == list_connector) 921 continue; 922 list_radeon_connector = to_radeon_connector(list_connector); 923 if (list_radeon_connector->shared_ddc && 924 (list_radeon_connector->ddc_bus->rec.i2c_id == 925 radeon_connector->ddc_bus->rec.i2c_id)) { 926 /* cases where both connectors are digital */ 927 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) { 928 /* hpd is our only option in this case */ 929 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { 930 kfree(radeon_connector->edid); 931 radeon_connector->edid = NULL; 932 ret = connector_status_disconnected; 933 } 934 } 935 } 936 } 937 } 938 } 939 } 940 941 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true)) 942 goto out; 943 944 /* DVI-D and HDMI-A are digital only */ 945 if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) || 946 (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA)) 947 goto out; 948 949 /* if we aren't forcing don't do destructive polling */ 950 if (!force) { 951 /* only return the previous status if we last 952 * detected a monitor via load. 953 */ 954 if (radeon_connector->detected_by_load) 955 ret = connector->status; 956 goto out; 957 } 958 959 /* find analog encoder */ 960 if (radeon_connector->dac_load_detect) { 961 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 962 if (connector->encoder_ids[i] == 0) 963 break; 964 965 obj = drm_mode_object_find(connector->dev, 966 connector->encoder_ids[i], 967 DRM_MODE_OBJECT_ENCODER); 968 if (!obj) 969 continue; 970 971 encoder = obj_to_encoder(obj); 972 973 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC && 974 encoder->encoder_type != DRM_MODE_ENCODER_TVDAC) 975 continue; 976 977 encoder_funcs = encoder->helper_private; 978 if (encoder_funcs->detect) { 979 if (ret != connector_status_connected) { 980 ret = encoder_funcs->detect(encoder, connector); 981 if (ret == connector_status_connected) { 982 radeon_connector->use_digital = false; 983 } 984 if (ret != connector_status_disconnected) 985 radeon_connector->detected_by_load = true; 986 } 987 break; 988 } 989 } 990 } 991 992 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) && 993 encoder) { 994 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true); 995 } 996 997 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the 998 * vbios to deal with KVMs. If we have one and are not able to detect a monitor 999 * by other means, assume the DFP is connected and use that EDID. In most 1000 * cases the DVI port is actually a virtual KVM port connected to the service 1001 * processor. 1002 */ 1003 out: 1004 if ((!rdev->is_atom_bios) && 1005 (ret == connector_status_disconnected) && 1006 rdev->mode_info.bios_hardcoded_edid_size) { 1007 radeon_connector->use_digital = true; 1008 ret = connector_status_connected; 1009 } 1010 1011 /* updated in get modes as well since we need to know if it's analog or digital */ 1012 radeon_connector_update_scratch_regs(connector, ret); 1013 return ret; 1014 } 1015 1016 /* okay need to be smart in here about which encoder to pick */ 1017 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector) 1018 { 1019 int enc_id = connector->encoder_ids[0]; 1020 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1021 struct drm_mode_object *obj; 1022 struct drm_encoder *encoder; 1023 int i; 1024 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1025 if (connector->encoder_ids[i] == 0) 1026 break; 1027 1028 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER); 1029 if (!obj) 1030 continue; 1031 1032 encoder = obj_to_encoder(obj); 1033 1034 if (radeon_connector->use_digital == true) { 1035 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS) 1036 return encoder; 1037 } else { 1038 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC || 1039 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC) 1040 return encoder; 1041 } 1042 } 1043 1044 /* see if we have a default encoder TODO */ 1045 1046 /* then check use digitial */ 1047 /* pick the first one */ 1048 if (enc_id) { 1049 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER); 1050 if (!obj) 1051 return NULL; 1052 encoder = obj_to_encoder(obj); 1053 return encoder; 1054 } 1055 return NULL; 1056 } 1057 1058 static void radeon_dvi_force(struct drm_connector *connector) 1059 { 1060 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1061 if (connector->force == DRM_FORCE_ON) 1062 radeon_connector->use_digital = false; 1063 if (connector->force == DRM_FORCE_ON_DIGITAL) 1064 radeon_connector->use_digital = true; 1065 } 1066 1067 static int radeon_dvi_mode_valid(struct drm_connector *connector, 1068 struct drm_display_mode *mode) 1069 { 1070 struct drm_device *dev = connector->dev; 1071 struct radeon_device *rdev = dev->dev_private; 1072 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1073 1074 /* XXX check mode bandwidth */ 1075 1076 /* clocks over 135 MHz have heat issues with DVI on RV100 */ 1077 if (radeon_connector->use_digital && 1078 (rdev->family == CHIP_RV100) && 1079 (mode->clock > 135000)) 1080 return MODE_CLOCK_HIGH; 1081 1082 if (radeon_connector->use_digital && (mode->clock > 165000)) { 1083 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) || 1084 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) || 1085 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B)) 1086 return MODE_OK; 1087 else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) { 1088 if (ASIC_IS_DCE6(rdev)) { 1089 /* HDMI 1.3+ supports max clock of 340 Mhz */ 1090 if (mode->clock > 340000) 1091 return MODE_CLOCK_HIGH; 1092 else 1093 return MODE_OK; 1094 } else 1095 return MODE_CLOCK_HIGH; 1096 } else 1097 return MODE_CLOCK_HIGH; 1098 } 1099 1100 /* check against the max pixel clock */ 1101 if ((mode->clock / 10) > rdev->clock.max_pixel_clock) 1102 return MODE_CLOCK_HIGH; 1103 1104 return MODE_OK; 1105 } 1106 1107 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = { 1108 .get_modes = radeon_dvi_get_modes, 1109 .mode_valid = radeon_dvi_mode_valid, 1110 .best_encoder = radeon_dvi_encoder, 1111 }; 1112 1113 struct drm_connector_funcs radeon_dvi_connector_funcs = { 1114 .dpms = drm_helper_connector_dpms, 1115 .detect = radeon_dvi_detect, 1116 .fill_modes = drm_helper_probe_single_connector_modes, 1117 .set_property = radeon_connector_set_property, 1118 .destroy = radeon_connector_destroy, 1119 .force = radeon_dvi_force, 1120 }; 1121 1122 static void radeon_dp_connector_destroy(struct drm_connector *connector) 1123 { 1124 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1125 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1126 1127 if (radeon_connector->edid) 1128 kfree(radeon_connector->edid); 1129 if (radeon_dig_connector->dp_i2c_bus) 1130 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus); 1131 kfree(radeon_connector->con_priv); 1132 drm_sysfs_connector_remove(connector); 1133 drm_connector_cleanup(connector); 1134 kfree(connector); 1135 } 1136 1137 static int radeon_dp_get_modes(struct drm_connector *connector) 1138 { 1139 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1140 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1141 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1142 int ret; 1143 1144 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1145 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1146 struct drm_display_mode *mode; 1147 1148 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) { 1149 if (!radeon_dig_connector->edp_on) 1150 atombios_set_edp_panel_power(connector, 1151 ATOM_TRANSMITTER_ACTION_POWER_ON); 1152 ret = radeon_ddc_get_modes(radeon_connector); 1153 if (!radeon_dig_connector->edp_on) 1154 atombios_set_edp_panel_power(connector, 1155 ATOM_TRANSMITTER_ACTION_POWER_OFF); 1156 } else { 1157 /* need to setup ddc on the bridge */ 1158 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1159 ENCODER_OBJECT_ID_NONE) { 1160 if (encoder) 1161 radeon_atom_ext_encoder_setup_ddc(encoder); 1162 } 1163 ret = radeon_ddc_get_modes(radeon_connector); 1164 } 1165 1166 if (ret > 0) { 1167 if (encoder) { 1168 radeon_fixup_lvds_native_mode(encoder, connector); 1169 /* add scaled modes */ 1170 radeon_add_common_modes(encoder, connector); 1171 } 1172 return ret; 1173 } 1174 1175 if (!encoder) 1176 return 0; 1177 1178 /* we have no EDID modes */ 1179 mode = radeon_fp_native_mode(encoder); 1180 if (mode) { 1181 ret = 1; 1182 drm_mode_probed_add(connector, mode); 1183 /* add the width/height from vbios tables if available */ 1184 connector->display_info.width_mm = mode->width_mm; 1185 connector->display_info.height_mm = mode->height_mm; 1186 /* add scaled modes */ 1187 radeon_add_common_modes(encoder, connector); 1188 } 1189 } else { 1190 /* need to setup ddc on the bridge */ 1191 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1192 ENCODER_OBJECT_ID_NONE) { 1193 if (encoder) 1194 radeon_atom_ext_encoder_setup_ddc(encoder); 1195 } 1196 ret = radeon_ddc_get_modes(radeon_connector); 1197 } 1198 1199 return ret; 1200 } 1201 1202 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector) 1203 { 1204 struct drm_mode_object *obj; 1205 struct drm_encoder *encoder; 1206 struct radeon_encoder *radeon_encoder; 1207 int i; 1208 1209 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1210 if (connector->encoder_ids[i] == 0) 1211 break; 1212 1213 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER); 1214 if (!obj) 1215 continue; 1216 1217 encoder = obj_to_encoder(obj); 1218 radeon_encoder = to_radeon_encoder(encoder); 1219 1220 switch (radeon_encoder->encoder_id) { 1221 case ENCODER_OBJECT_ID_TRAVIS: 1222 case ENCODER_OBJECT_ID_NUTMEG: 1223 return radeon_encoder->encoder_id; 1224 default: 1225 break; 1226 } 1227 } 1228 1229 return ENCODER_OBJECT_ID_NONE; 1230 } 1231 1232 bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector) 1233 { 1234 struct drm_mode_object *obj; 1235 struct drm_encoder *encoder; 1236 struct radeon_encoder *radeon_encoder; 1237 int i; 1238 bool found = false; 1239 1240 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1241 if (connector->encoder_ids[i] == 0) 1242 break; 1243 1244 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER); 1245 if (!obj) 1246 continue; 1247 1248 encoder = obj_to_encoder(obj); 1249 radeon_encoder = to_radeon_encoder(encoder); 1250 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2) 1251 found = true; 1252 } 1253 1254 return found; 1255 } 1256 1257 bool radeon_connector_is_dp12_capable(struct drm_connector *connector) 1258 { 1259 struct drm_device *dev = connector->dev; 1260 struct radeon_device *rdev = dev->dev_private; 1261 1262 if (ASIC_IS_DCE5(rdev) && 1263 (rdev->clock.dp_extclk >= 53900) && 1264 radeon_connector_encoder_is_hbr2(connector)) { 1265 return true; 1266 } 1267 1268 return false; 1269 } 1270 1271 static enum drm_connector_status 1272 radeon_dp_detect(struct drm_connector *connector, bool force) 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 enum drm_connector_status ret = connector_status_disconnected; 1278 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1279 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1280 1281 if (!force && radeon_check_hpd_status_unchanged(connector)) 1282 return connector->status; 1283 1284 if (radeon_connector->edid) { 1285 kfree(radeon_connector->edid); 1286 radeon_connector->edid = NULL; 1287 } 1288 1289 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1290 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1291 if (encoder) { 1292 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 1293 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 1294 1295 /* check if panel is valid */ 1296 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240) 1297 ret = connector_status_connected; 1298 } 1299 /* eDP is always DP */ 1300 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; 1301 if (!radeon_dig_connector->edp_on) 1302 atombios_set_edp_panel_power(connector, 1303 ATOM_TRANSMITTER_ACTION_POWER_ON); 1304 if (radeon_dp_getdpcd(radeon_connector)) 1305 ret = connector_status_connected; 1306 if (!radeon_dig_connector->edp_on) 1307 atombios_set_edp_panel_power(connector, 1308 ATOM_TRANSMITTER_ACTION_POWER_OFF); 1309 } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1310 ENCODER_OBJECT_ID_NONE) { 1311 /* DP bridges are always DP */ 1312 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; 1313 /* get the DPCD from the bridge */ 1314 radeon_dp_getdpcd(radeon_connector); 1315 1316 if (encoder) { 1317 /* setup ddc on the bridge */ 1318 radeon_atom_ext_encoder_setup_ddc(encoder); 1319 if (radeon_ddc_probe(radeon_connector)) /* try DDC */ 1320 ret = connector_status_connected; 1321 else if (radeon_connector->dac_load_detect) { /* try load detection */ 1322 struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private; 1323 ret = encoder_funcs->detect(encoder, connector); 1324 } 1325 } 1326 } else { 1327 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector); 1328 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { 1329 ret = connector_status_connected; 1330 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) 1331 radeon_dp_getdpcd(radeon_connector); 1332 } else { 1333 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) { 1334 if (radeon_dp_getdpcd(radeon_connector)) 1335 ret = connector_status_connected; 1336 } else { 1337 if (radeon_ddc_probe(radeon_connector)) 1338 ret = connector_status_connected; 1339 } 1340 } 1341 } 1342 1343 radeon_connector_update_scratch_regs(connector, ret); 1344 return ret; 1345 } 1346 1347 static int radeon_dp_mode_valid(struct drm_connector *connector, 1348 struct drm_display_mode *mode) 1349 { 1350 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1351 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1352 1353 /* XXX check mode bandwidth */ 1354 1355 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1356 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1357 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1358 1359 if ((mode->hdisplay < 320) || (mode->vdisplay < 240)) 1360 return MODE_PANEL; 1361 1362 if (encoder) { 1363 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 1364 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 1365 1366 /* AVIVO hardware supports downscaling modes larger than the panel 1367 * to the panel size, but I'm not sure this is desirable. 1368 */ 1369 if ((mode->hdisplay > native_mode->hdisplay) || 1370 (mode->vdisplay > native_mode->vdisplay)) 1371 return MODE_PANEL; 1372 1373 /* if scaling is disabled, block non-native modes */ 1374 if (radeon_encoder->rmx_type == RMX_OFF) { 1375 if ((mode->hdisplay != native_mode->hdisplay) || 1376 (mode->vdisplay != native_mode->vdisplay)) 1377 return MODE_PANEL; 1378 } 1379 } 1380 return MODE_OK; 1381 } else { 1382 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 1383 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) 1384 return radeon_dp_mode_valid_helper(connector, mode); 1385 else 1386 return MODE_OK; 1387 } 1388 } 1389 1390 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = { 1391 .get_modes = radeon_dp_get_modes, 1392 .mode_valid = radeon_dp_mode_valid, 1393 .best_encoder = radeon_dvi_encoder, 1394 }; 1395 1396 struct drm_connector_funcs radeon_dp_connector_funcs = { 1397 .dpms = drm_helper_connector_dpms, 1398 .detect = radeon_dp_detect, 1399 .fill_modes = drm_helper_probe_single_connector_modes, 1400 .set_property = radeon_connector_set_property, 1401 .destroy = radeon_dp_connector_destroy, 1402 .force = radeon_dvi_force, 1403 }; 1404 1405 void 1406 radeon_add_atom_connector(struct drm_device *dev, 1407 uint32_t connector_id, 1408 uint32_t supported_device, 1409 int connector_type, 1410 struct radeon_i2c_bus_rec *i2c_bus, 1411 uint32_t igp_lane_info, 1412 uint16_t connector_object_id, 1413 struct radeon_hpd *hpd, 1414 struct radeon_router *router) 1415 { 1416 struct radeon_device *rdev = dev->dev_private; 1417 struct drm_connector *connector; 1418 struct radeon_connector *radeon_connector; 1419 struct radeon_connector_atom_dig *radeon_dig_connector; 1420 struct drm_encoder *encoder; 1421 struct radeon_encoder *radeon_encoder; 1422 uint32_t subpixel_order = SubPixelNone; 1423 bool shared_ddc = false; 1424 bool is_dp_bridge = false; 1425 1426 if (connector_type == DRM_MODE_CONNECTOR_Unknown) 1427 return; 1428 1429 /* if the user selected tv=0 don't try and add the connector */ 1430 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) || 1431 (connector_type == DRM_MODE_CONNECTOR_Composite) || 1432 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) && 1433 (radeon_tv == 0)) 1434 return; 1435 1436 /* see if we already added it */ 1437 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 1438 radeon_connector = to_radeon_connector(connector); 1439 if (radeon_connector->connector_id == connector_id) { 1440 radeon_connector->devices |= supported_device; 1441 return; 1442 } 1443 if (radeon_connector->ddc_bus && i2c_bus->valid) { 1444 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) { 1445 radeon_connector->shared_ddc = true; 1446 shared_ddc = true; 1447 } 1448 if (radeon_connector->router_bus && router->ddc_valid && 1449 (radeon_connector->router.router_id == router->router_id)) { 1450 radeon_connector->shared_ddc = false; 1451 shared_ddc = false; 1452 } 1453 } 1454 } 1455 1456 /* check if it's a dp bridge */ 1457 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 1458 radeon_encoder = to_radeon_encoder(encoder); 1459 if (radeon_encoder->devices & supported_device) { 1460 switch (radeon_encoder->encoder_id) { 1461 case ENCODER_OBJECT_ID_TRAVIS: 1462 case ENCODER_OBJECT_ID_NUTMEG: 1463 is_dp_bridge = true; 1464 break; 1465 default: 1466 break; 1467 } 1468 } 1469 } 1470 1471 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL); 1472 if (!radeon_connector) 1473 return; 1474 1475 connector = &radeon_connector->base; 1476 1477 radeon_connector->connector_id = connector_id; 1478 radeon_connector->devices = supported_device; 1479 radeon_connector->shared_ddc = shared_ddc; 1480 radeon_connector->connector_object_id = connector_object_id; 1481 radeon_connector->hpd = *hpd; 1482 1483 radeon_connector->router = *router; 1484 if (router->ddc_valid || router->cd_valid) { 1485 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info); 1486 if (!radeon_connector->router_bus) 1487 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n"); 1488 } 1489 1490 if (is_dp_bridge) { 1491 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1492 if (!radeon_dig_connector) 1493 goto failed; 1494 radeon_dig_connector->igp_lane_info = igp_lane_info; 1495 radeon_connector->con_priv = radeon_dig_connector; 1496 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type); 1497 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); 1498 if (i2c_bus->valid) { 1499 /* add DP i2c bus */ 1500 if (connector_type == DRM_MODE_CONNECTOR_eDP) 1501 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch"); 1502 else 1503 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch"); 1504 if (!radeon_dig_connector->dp_i2c_bus) 1505 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n"); 1506 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1507 if (!radeon_connector->ddc_bus) 1508 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1509 } 1510 switch (connector_type) { 1511 case DRM_MODE_CONNECTOR_VGA: 1512 case DRM_MODE_CONNECTOR_DVIA: 1513 default: 1514 connector->interlace_allowed = true; 1515 connector->doublescan_allowed = true; 1516 radeon_connector->dac_load_detect = true; 1517 drm_connector_attach_property(&radeon_connector->base, 1518 rdev->mode_info.load_detect_property, 1519 1); 1520 break; 1521 case DRM_MODE_CONNECTOR_DVII: 1522 case DRM_MODE_CONNECTOR_DVID: 1523 case DRM_MODE_CONNECTOR_HDMIA: 1524 case DRM_MODE_CONNECTOR_HDMIB: 1525 case DRM_MODE_CONNECTOR_DisplayPort: 1526 drm_connector_attach_property(&radeon_connector->base, 1527 rdev->mode_info.underscan_property, 1528 UNDERSCAN_OFF); 1529 drm_connector_attach_property(&radeon_connector->base, 1530 rdev->mode_info.underscan_hborder_property, 1531 0); 1532 drm_connector_attach_property(&radeon_connector->base, 1533 rdev->mode_info.underscan_vborder_property, 1534 0); 1535 subpixel_order = SubPixelHorizontalRGB; 1536 connector->interlace_allowed = true; 1537 if (connector_type == DRM_MODE_CONNECTOR_HDMIB) 1538 connector->doublescan_allowed = true; 1539 else 1540 connector->doublescan_allowed = false; 1541 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 1542 radeon_connector->dac_load_detect = true; 1543 drm_connector_attach_property(&radeon_connector->base, 1544 rdev->mode_info.load_detect_property, 1545 1); 1546 } 1547 break; 1548 case DRM_MODE_CONNECTOR_LVDS: 1549 case DRM_MODE_CONNECTOR_eDP: 1550 drm_connector_attach_property(&radeon_connector->base, 1551 dev->mode_config.scaling_mode_property, 1552 DRM_MODE_SCALE_FULLSCREEN); 1553 subpixel_order = SubPixelHorizontalRGB; 1554 connector->interlace_allowed = false; 1555 connector->doublescan_allowed = false; 1556 break; 1557 } 1558 } else { 1559 switch (connector_type) { 1560 case DRM_MODE_CONNECTOR_VGA: 1561 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 1562 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 1563 if (i2c_bus->valid) { 1564 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1565 if (!radeon_connector->ddc_bus) 1566 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1567 } 1568 radeon_connector->dac_load_detect = true; 1569 drm_connector_attach_property(&radeon_connector->base, 1570 rdev->mode_info.load_detect_property, 1571 1); 1572 /* no HPD on analog connectors */ 1573 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 1574 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1575 connector->interlace_allowed = true; 1576 connector->doublescan_allowed = true; 1577 break; 1578 case DRM_MODE_CONNECTOR_DVIA: 1579 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 1580 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 1581 if (i2c_bus->valid) { 1582 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1583 if (!radeon_connector->ddc_bus) 1584 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1585 } 1586 radeon_connector->dac_load_detect = true; 1587 drm_connector_attach_property(&radeon_connector->base, 1588 rdev->mode_info.load_detect_property, 1589 1); 1590 /* no HPD on analog connectors */ 1591 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 1592 connector->interlace_allowed = true; 1593 connector->doublescan_allowed = true; 1594 break; 1595 case DRM_MODE_CONNECTOR_DVII: 1596 case DRM_MODE_CONNECTOR_DVID: 1597 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1598 if (!radeon_dig_connector) 1599 goto failed; 1600 radeon_dig_connector->igp_lane_info = igp_lane_info; 1601 radeon_connector->con_priv = radeon_dig_connector; 1602 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); 1603 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 1604 if (i2c_bus->valid) { 1605 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1606 if (!radeon_connector->ddc_bus) 1607 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1608 } 1609 subpixel_order = SubPixelHorizontalRGB; 1610 drm_connector_attach_property(&radeon_connector->base, 1611 rdev->mode_info.coherent_mode_property, 1612 1); 1613 if (ASIC_IS_AVIVO(rdev)) { 1614 drm_connector_attach_property(&radeon_connector->base, 1615 rdev->mode_info.underscan_property, 1616 UNDERSCAN_OFF); 1617 drm_connector_attach_property(&radeon_connector->base, 1618 rdev->mode_info.underscan_hborder_property, 1619 0); 1620 drm_connector_attach_property(&radeon_connector->base, 1621 rdev->mode_info.underscan_vborder_property, 1622 0); 1623 } 1624 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 1625 radeon_connector->dac_load_detect = true; 1626 drm_connector_attach_property(&radeon_connector->base, 1627 rdev->mode_info.load_detect_property, 1628 1); 1629 } 1630 connector->interlace_allowed = true; 1631 if (connector_type == DRM_MODE_CONNECTOR_DVII) 1632 connector->doublescan_allowed = true; 1633 else 1634 connector->doublescan_allowed = false; 1635 break; 1636 case DRM_MODE_CONNECTOR_HDMIA: 1637 case DRM_MODE_CONNECTOR_HDMIB: 1638 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1639 if (!radeon_dig_connector) 1640 goto failed; 1641 radeon_dig_connector->igp_lane_info = igp_lane_info; 1642 radeon_connector->con_priv = radeon_dig_connector; 1643 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); 1644 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 1645 if (i2c_bus->valid) { 1646 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1647 if (!radeon_connector->ddc_bus) 1648 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1649 } 1650 drm_connector_attach_property(&radeon_connector->base, 1651 rdev->mode_info.coherent_mode_property, 1652 1); 1653 if (ASIC_IS_AVIVO(rdev)) { 1654 drm_connector_attach_property(&radeon_connector->base, 1655 rdev->mode_info.underscan_property, 1656 UNDERSCAN_OFF); 1657 drm_connector_attach_property(&radeon_connector->base, 1658 rdev->mode_info.underscan_hborder_property, 1659 0); 1660 drm_connector_attach_property(&radeon_connector->base, 1661 rdev->mode_info.underscan_vborder_property, 1662 0); 1663 } 1664 subpixel_order = SubPixelHorizontalRGB; 1665 connector->interlace_allowed = true; 1666 if (connector_type == DRM_MODE_CONNECTOR_HDMIB) 1667 connector->doublescan_allowed = true; 1668 else 1669 connector->doublescan_allowed = false; 1670 break; 1671 case DRM_MODE_CONNECTOR_DisplayPort: 1672 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1673 if (!radeon_dig_connector) 1674 goto failed; 1675 radeon_dig_connector->igp_lane_info = igp_lane_info; 1676 radeon_connector->con_priv = radeon_dig_connector; 1677 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type); 1678 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); 1679 if (i2c_bus->valid) { 1680 /* add DP i2c bus */ 1681 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch"); 1682 if (!radeon_dig_connector->dp_i2c_bus) 1683 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n"); 1684 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1685 if (!radeon_connector->ddc_bus) 1686 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1687 } 1688 subpixel_order = SubPixelHorizontalRGB; 1689 drm_connector_attach_property(&radeon_connector->base, 1690 rdev->mode_info.coherent_mode_property, 1691 1); 1692 if (ASIC_IS_AVIVO(rdev)) { 1693 drm_connector_attach_property(&radeon_connector->base, 1694 rdev->mode_info.underscan_property, 1695 UNDERSCAN_OFF); 1696 drm_connector_attach_property(&radeon_connector->base, 1697 rdev->mode_info.underscan_hborder_property, 1698 0); 1699 drm_connector_attach_property(&radeon_connector->base, 1700 rdev->mode_info.underscan_vborder_property, 1701 0); 1702 } 1703 connector->interlace_allowed = true; 1704 /* in theory with a DP to VGA converter... */ 1705 connector->doublescan_allowed = false; 1706 break; 1707 case DRM_MODE_CONNECTOR_eDP: 1708 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1709 if (!radeon_dig_connector) 1710 goto failed; 1711 radeon_dig_connector->igp_lane_info = igp_lane_info; 1712 radeon_connector->con_priv = radeon_dig_connector; 1713 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type); 1714 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); 1715 if (i2c_bus->valid) { 1716 /* add DP i2c bus */ 1717 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch"); 1718 if (!radeon_dig_connector->dp_i2c_bus) 1719 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n"); 1720 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1721 if (!radeon_connector->ddc_bus) 1722 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1723 } 1724 drm_connector_attach_property(&radeon_connector->base, 1725 dev->mode_config.scaling_mode_property, 1726 DRM_MODE_SCALE_FULLSCREEN); 1727 subpixel_order = SubPixelHorizontalRGB; 1728 connector->interlace_allowed = false; 1729 connector->doublescan_allowed = false; 1730 break; 1731 case DRM_MODE_CONNECTOR_SVIDEO: 1732 case DRM_MODE_CONNECTOR_Composite: 1733 case DRM_MODE_CONNECTOR_9PinDIN: 1734 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type); 1735 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs); 1736 radeon_connector->dac_load_detect = true; 1737 drm_connector_attach_property(&radeon_connector->base, 1738 rdev->mode_info.load_detect_property, 1739 1); 1740 drm_connector_attach_property(&radeon_connector->base, 1741 rdev->mode_info.tv_std_property, 1742 radeon_atombios_get_tv_info(rdev)); 1743 /* no HPD on analog connectors */ 1744 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 1745 connector->interlace_allowed = false; 1746 connector->doublescan_allowed = false; 1747 break; 1748 case DRM_MODE_CONNECTOR_LVDS: 1749 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1750 if (!radeon_dig_connector) 1751 goto failed; 1752 radeon_dig_connector->igp_lane_info = igp_lane_info; 1753 radeon_connector->con_priv = radeon_dig_connector; 1754 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type); 1755 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs); 1756 if (i2c_bus->valid) { 1757 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1758 if (!radeon_connector->ddc_bus) 1759 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1760 } 1761 drm_connector_attach_property(&radeon_connector->base, 1762 dev->mode_config.scaling_mode_property, 1763 DRM_MODE_SCALE_FULLSCREEN); 1764 subpixel_order = SubPixelHorizontalRGB; 1765 connector->interlace_allowed = false; 1766 connector->doublescan_allowed = false; 1767 break; 1768 } 1769 } 1770 1771 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) { 1772 if (i2c_bus->valid) 1773 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1774 } else 1775 connector->polled = DRM_CONNECTOR_POLL_HPD; 1776 1777 connector->display_info.subpixel_order = subpixel_order; 1778 drm_sysfs_connector_add(connector); 1779 return; 1780 1781 failed: 1782 drm_connector_cleanup(connector); 1783 kfree(connector); 1784 } 1785 1786 void 1787 radeon_add_legacy_connector(struct drm_device *dev, 1788 uint32_t connector_id, 1789 uint32_t supported_device, 1790 int connector_type, 1791 struct radeon_i2c_bus_rec *i2c_bus, 1792 uint16_t connector_object_id, 1793 struct radeon_hpd *hpd) 1794 { 1795 struct radeon_device *rdev = dev->dev_private; 1796 struct drm_connector *connector; 1797 struct radeon_connector *radeon_connector; 1798 uint32_t subpixel_order = SubPixelNone; 1799 1800 if (connector_type == DRM_MODE_CONNECTOR_Unknown) 1801 return; 1802 1803 /* if the user selected tv=0 don't try and add the connector */ 1804 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) || 1805 (connector_type == DRM_MODE_CONNECTOR_Composite) || 1806 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) && 1807 (radeon_tv == 0)) 1808 return; 1809 1810 /* see if we already added it */ 1811 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 1812 radeon_connector = to_radeon_connector(connector); 1813 if (radeon_connector->connector_id == connector_id) { 1814 radeon_connector->devices |= supported_device; 1815 return; 1816 } 1817 } 1818 1819 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL); 1820 if (!radeon_connector) 1821 return; 1822 1823 connector = &radeon_connector->base; 1824 1825 radeon_connector->connector_id = connector_id; 1826 radeon_connector->devices = supported_device; 1827 radeon_connector->connector_object_id = connector_object_id; 1828 radeon_connector->hpd = *hpd; 1829 1830 switch (connector_type) { 1831 case DRM_MODE_CONNECTOR_VGA: 1832 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 1833 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 1834 if (i2c_bus->valid) { 1835 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1836 if (!radeon_connector->ddc_bus) 1837 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1838 } 1839 radeon_connector->dac_load_detect = true; 1840 drm_connector_attach_property(&radeon_connector->base, 1841 rdev->mode_info.load_detect_property, 1842 1); 1843 /* no HPD on analog connectors */ 1844 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 1845 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1846 connector->interlace_allowed = true; 1847 connector->doublescan_allowed = true; 1848 break; 1849 case DRM_MODE_CONNECTOR_DVIA: 1850 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 1851 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 1852 if (i2c_bus->valid) { 1853 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1854 if (!radeon_connector->ddc_bus) 1855 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1856 } 1857 radeon_connector->dac_load_detect = true; 1858 drm_connector_attach_property(&radeon_connector->base, 1859 rdev->mode_info.load_detect_property, 1860 1); 1861 /* no HPD on analog connectors */ 1862 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 1863 connector->interlace_allowed = true; 1864 connector->doublescan_allowed = true; 1865 break; 1866 case DRM_MODE_CONNECTOR_DVII: 1867 case DRM_MODE_CONNECTOR_DVID: 1868 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); 1869 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 1870 if (i2c_bus->valid) { 1871 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1872 if (!radeon_connector->ddc_bus) 1873 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1874 } 1875 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 1876 radeon_connector->dac_load_detect = true; 1877 drm_connector_attach_property(&radeon_connector->base, 1878 rdev->mode_info.load_detect_property, 1879 1); 1880 } 1881 subpixel_order = SubPixelHorizontalRGB; 1882 connector->interlace_allowed = true; 1883 if (connector_type == DRM_MODE_CONNECTOR_DVII) 1884 connector->doublescan_allowed = true; 1885 else 1886 connector->doublescan_allowed = false; 1887 break; 1888 case DRM_MODE_CONNECTOR_SVIDEO: 1889 case DRM_MODE_CONNECTOR_Composite: 1890 case DRM_MODE_CONNECTOR_9PinDIN: 1891 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type); 1892 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs); 1893 radeon_connector->dac_load_detect = true; 1894 /* RS400,RC410,RS480 chipset seems to report a lot 1895 * of false positive on load detect, we haven't yet 1896 * found a way to make load detect reliable on those 1897 * chipset, thus just disable it for TV. 1898 */ 1899 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480) 1900 radeon_connector->dac_load_detect = false; 1901 drm_connector_attach_property(&radeon_connector->base, 1902 rdev->mode_info.load_detect_property, 1903 radeon_connector->dac_load_detect); 1904 drm_connector_attach_property(&radeon_connector->base, 1905 rdev->mode_info.tv_std_property, 1906 radeon_combios_get_tv_info(rdev)); 1907 /* no HPD on analog connectors */ 1908 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 1909 connector->interlace_allowed = false; 1910 connector->doublescan_allowed = false; 1911 break; 1912 case DRM_MODE_CONNECTOR_LVDS: 1913 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type); 1914 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs); 1915 if (i2c_bus->valid) { 1916 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1917 if (!radeon_connector->ddc_bus) 1918 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1919 } 1920 drm_connector_attach_property(&radeon_connector->base, 1921 dev->mode_config.scaling_mode_property, 1922 DRM_MODE_SCALE_FULLSCREEN); 1923 subpixel_order = SubPixelHorizontalRGB; 1924 connector->interlace_allowed = false; 1925 connector->doublescan_allowed = false; 1926 break; 1927 } 1928 1929 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) { 1930 if (i2c_bus->valid) 1931 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1932 } else 1933 connector->polled = DRM_CONNECTOR_POLL_HPD; 1934 connector->display_info.subpixel_order = subpixel_order; 1935 drm_sysfs_connector_add(connector); 1936 if (connector_type == DRM_MODE_CONNECTOR_LVDS) { 1937 struct drm_encoder *drm_encoder; 1938 1939 list_for_each_entry(drm_encoder, &dev->mode_config.encoder_list, head) { 1940 struct radeon_encoder *radeon_encoder; 1941 1942 radeon_encoder = to_radeon_encoder(drm_encoder); 1943 if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_LVDS) 1944 radeon_legacy_backlight_init(radeon_encoder, connector); 1945 } 1946 } 1947 } 1948