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 bool radeon_connector_encoder_is_dp_bridge(struct drm_connector *connector); 48 49 void radeon_connector_hotplug(struct drm_connector *connector) 50 { 51 struct drm_device *dev = connector->dev; 52 struct radeon_device *rdev = dev->dev_private; 53 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 54 55 /* bail if the connector does not have hpd pin, e.g., 56 * VGA, TV, etc. 57 */ 58 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) 59 return; 60 61 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); 62 63 /* powering up/down the eDP panel generates hpd events which 64 * can interfere with modesetting. 65 */ 66 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) 67 return; 68 69 /* pre-r600 did not always have the hpd pins mapped accurately to connectors */ 70 if (rdev->family >= CHIP_R600) { 71 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) 72 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); 73 else 74 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); 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; 438 439 /* Try to get native mode details from EDID if necessary */ 440 if (!native_mode->clock) { 441 struct drm_display_mode *t, *mode; 442 443 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) { 444 if (mode->hdisplay == native_mode->hdisplay && 445 mode->vdisplay == native_mode->vdisplay) { 446 *native_mode = *mode; 447 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V); 448 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n"); 449 break; 450 } 451 } 452 } 453 if (!native_mode->clock) { 454 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n"); 455 radeon_encoder->rmx_type = RMX_OFF; 456 } 457 } 458 459 static int radeon_lvds_get_modes(struct drm_connector *connector) 460 { 461 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 462 struct drm_encoder *encoder; 463 int ret = 0; 464 struct drm_display_mode *mode; 465 466 if (radeon_connector->ddc_bus) { 467 ret = radeon_ddc_get_modes(radeon_connector); 468 if (ret > 0) { 469 encoder = radeon_best_single_encoder(connector); 470 if (encoder) { 471 radeon_fixup_lvds_native_mode(encoder, connector); 472 /* add scaled modes */ 473 radeon_add_common_modes(encoder, connector); 474 } 475 return ret; 476 } 477 } 478 479 encoder = radeon_best_single_encoder(connector); 480 if (!encoder) 481 return 0; 482 483 /* we have no EDID modes */ 484 mode = radeon_fp_native_mode(encoder); 485 if (mode) { 486 ret = 1; 487 drm_mode_probed_add(connector, mode); 488 /* add the width/height from vbios tables if available */ 489 connector->display_info.width_mm = mode->width_mm; 490 connector->display_info.height_mm = mode->height_mm; 491 /* add scaled modes */ 492 radeon_add_common_modes(encoder, connector); 493 } 494 495 return ret; 496 } 497 498 static int radeon_lvds_mode_valid(struct drm_connector *connector, 499 struct drm_display_mode *mode) 500 { 501 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 502 503 if ((mode->hdisplay < 320) || (mode->vdisplay < 240)) 504 return MODE_PANEL; 505 506 if (encoder) { 507 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 508 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 509 510 /* AVIVO hardware supports downscaling modes larger than the panel 511 * to the panel size, but I'm not sure this is desirable. 512 */ 513 if ((mode->hdisplay > native_mode->hdisplay) || 514 (mode->vdisplay > native_mode->vdisplay)) 515 return MODE_PANEL; 516 517 /* if scaling is disabled, block non-native modes */ 518 if (radeon_encoder->rmx_type == RMX_OFF) { 519 if ((mode->hdisplay != native_mode->hdisplay) || 520 (mode->vdisplay != native_mode->vdisplay)) 521 return MODE_PANEL; 522 } 523 } 524 525 return MODE_OK; 526 } 527 528 static enum drm_connector_status 529 radeon_lvds_detect(struct drm_connector *connector, bool force) 530 { 531 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 532 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 533 enum drm_connector_status ret = connector_status_disconnected; 534 535 if (encoder) { 536 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 537 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 538 539 /* check if panel is valid */ 540 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240) 541 ret = connector_status_connected; 542 543 } 544 545 /* check for edid as well */ 546 if (radeon_connector->edid) 547 ret = connector_status_connected; 548 else { 549 if (radeon_connector->ddc_bus) { 550 radeon_connector->edid = drm_get_edid(&radeon_connector->base, 551 &radeon_connector->ddc_bus->adapter); 552 if (radeon_connector->edid) 553 ret = connector_status_connected; 554 } 555 } 556 /* check acpi lid status ??? */ 557 558 radeon_connector_update_scratch_regs(connector, ret); 559 return ret; 560 } 561 562 static void radeon_connector_destroy(struct drm_connector *connector) 563 { 564 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 565 566 if (radeon_connector->edid) 567 kfree(radeon_connector->edid); 568 kfree(radeon_connector->con_priv); 569 drm_sysfs_connector_remove(connector); 570 drm_connector_cleanup(connector); 571 kfree(connector); 572 } 573 574 static int radeon_lvds_set_property(struct drm_connector *connector, 575 struct drm_property *property, 576 uint64_t value) 577 { 578 struct drm_device *dev = connector->dev; 579 struct radeon_encoder *radeon_encoder; 580 enum radeon_rmx_type rmx_type; 581 582 DRM_DEBUG_KMS("\n"); 583 if (property != dev->mode_config.scaling_mode_property) 584 return 0; 585 586 if (connector->encoder) 587 radeon_encoder = to_radeon_encoder(connector->encoder); 588 else { 589 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 590 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); 591 } 592 593 switch (value) { 594 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break; 595 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break; 596 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break; 597 default: 598 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break; 599 } 600 if (radeon_encoder->rmx_type == rmx_type) 601 return 0; 602 603 radeon_encoder->rmx_type = rmx_type; 604 605 radeon_property_change_mode(&radeon_encoder->base); 606 return 0; 607 } 608 609 610 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = { 611 .get_modes = radeon_lvds_get_modes, 612 .mode_valid = radeon_lvds_mode_valid, 613 .best_encoder = radeon_best_single_encoder, 614 }; 615 616 struct drm_connector_funcs radeon_lvds_connector_funcs = { 617 .dpms = drm_helper_connector_dpms, 618 .detect = radeon_lvds_detect, 619 .fill_modes = drm_helper_probe_single_connector_modes, 620 .destroy = radeon_connector_destroy, 621 .set_property = radeon_lvds_set_property, 622 }; 623 624 static int radeon_vga_get_modes(struct drm_connector *connector) 625 { 626 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 627 int ret; 628 629 ret = radeon_ddc_get_modes(radeon_connector); 630 631 return ret; 632 } 633 634 static int radeon_vga_mode_valid(struct drm_connector *connector, 635 struct drm_display_mode *mode) 636 { 637 struct drm_device *dev = connector->dev; 638 struct radeon_device *rdev = dev->dev_private; 639 640 /* XXX check mode bandwidth */ 641 642 if ((mode->clock / 10) > rdev->clock.max_pixel_clock) 643 return MODE_CLOCK_HIGH; 644 645 return MODE_OK; 646 } 647 648 static enum drm_connector_status 649 radeon_vga_detect(struct drm_connector *connector, bool force) 650 { 651 struct drm_device *dev = connector->dev; 652 struct radeon_device *rdev = dev->dev_private; 653 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 654 struct drm_encoder *encoder; 655 struct drm_encoder_helper_funcs *encoder_funcs; 656 bool dret = false; 657 enum drm_connector_status ret = connector_status_disconnected; 658 659 encoder = radeon_best_single_encoder(connector); 660 if (!encoder) 661 ret = connector_status_disconnected; 662 663 if (radeon_connector->ddc_bus) 664 dret = radeon_ddc_probe(radeon_connector); 665 if (dret) { 666 if (radeon_connector->edid) { 667 kfree(radeon_connector->edid); 668 radeon_connector->edid = NULL; 669 } 670 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter); 671 672 if (!radeon_connector->edid) { 673 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n", 674 drm_get_connector_name(connector)); 675 ret = connector_status_connected; 676 } else { 677 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL); 678 679 /* some oems have boards with separate digital and analog connectors 680 * with a shared ddc line (often vga + hdmi) 681 */ 682 if (radeon_connector->use_digital && radeon_connector->shared_ddc) { 683 kfree(radeon_connector->edid); 684 radeon_connector->edid = NULL; 685 ret = connector_status_disconnected; 686 } else 687 ret = connector_status_connected; 688 } 689 } else { 690 691 /* if we aren't forcing don't do destructive polling */ 692 if (!force) 693 return connector->status; 694 695 if (radeon_connector->dac_load_detect && encoder) { 696 encoder_funcs = encoder->helper_private; 697 ret = encoder_funcs->detect(encoder, connector); 698 } 699 } 700 701 if (ret == connector_status_connected) 702 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true); 703 704 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the 705 * vbios to deal with KVMs. If we have one and are not able to detect a monitor 706 * by other means, assume the CRT is connected and use that EDID. 707 */ 708 if ((!rdev->is_atom_bios) && 709 (ret == connector_status_disconnected) && 710 rdev->mode_info.bios_hardcoded_edid_size) { 711 ret = connector_status_connected; 712 } 713 714 radeon_connector_update_scratch_regs(connector, ret); 715 return ret; 716 } 717 718 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = { 719 .get_modes = radeon_vga_get_modes, 720 .mode_valid = radeon_vga_mode_valid, 721 .best_encoder = radeon_best_single_encoder, 722 }; 723 724 struct drm_connector_funcs radeon_vga_connector_funcs = { 725 .dpms = drm_helper_connector_dpms, 726 .detect = radeon_vga_detect, 727 .fill_modes = drm_helper_probe_single_connector_modes, 728 .destroy = radeon_connector_destroy, 729 .set_property = radeon_connector_set_property, 730 }; 731 732 static int radeon_tv_get_modes(struct drm_connector *connector) 733 { 734 struct drm_device *dev = connector->dev; 735 struct radeon_device *rdev = dev->dev_private; 736 struct drm_display_mode *tv_mode; 737 struct drm_encoder *encoder; 738 739 encoder = radeon_best_single_encoder(connector); 740 if (!encoder) 741 return 0; 742 743 /* avivo chips can scale any mode */ 744 if (rdev->family >= CHIP_RS600) 745 /* add scaled modes */ 746 radeon_add_common_modes(encoder, connector); 747 else { 748 /* only 800x600 is supported right now on pre-avivo chips */ 749 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false); 750 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; 751 drm_mode_probed_add(connector, tv_mode); 752 } 753 return 1; 754 } 755 756 static int radeon_tv_mode_valid(struct drm_connector *connector, 757 struct drm_display_mode *mode) 758 { 759 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768)) 760 return MODE_CLOCK_RANGE; 761 return MODE_OK; 762 } 763 764 static enum drm_connector_status 765 radeon_tv_detect(struct drm_connector *connector, bool force) 766 { 767 struct drm_encoder *encoder; 768 struct drm_encoder_helper_funcs *encoder_funcs; 769 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 770 enum drm_connector_status ret = connector_status_disconnected; 771 772 if (!radeon_connector->dac_load_detect) 773 return ret; 774 775 encoder = radeon_best_single_encoder(connector); 776 if (!encoder) 777 ret = connector_status_disconnected; 778 else { 779 encoder_funcs = encoder->helper_private; 780 ret = encoder_funcs->detect(encoder, connector); 781 } 782 if (ret == connector_status_connected) 783 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false); 784 radeon_connector_update_scratch_regs(connector, ret); 785 return ret; 786 } 787 788 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = { 789 .get_modes = radeon_tv_get_modes, 790 .mode_valid = radeon_tv_mode_valid, 791 .best_encoder = radeon_best_single_encoder, 792 }; 793 794 struct drm_connector_funcs radeon_tv_connector_funcs = { 795 .dpms = drm_helper_connector_dpms, 796 .detect = radeon_tv_detect, 797 .fill_modes = drm_helper_probe_single_connector_modes, 798 .destroy = radeon_connector_destroy, 799 .set_property = radeon_connector_set_property, 800 }; 801 802 static int radeon_dvi_get_modes(struct drm_connector *connector) 803 { 804 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 805 int ret; 806 807 ret = radeon_ddc_get_modes(radeon_connector); 808 return ret; 809 } 810 811 /* 812 * DVI is complicated 813 * Do a DDC probe, if DDC probe passes, get the full EDID so 814 * we can do analog/digital monitor detection at this point. 815 * If the monitor is an analog monitor or we got no DDC, 816 * we need to find the DAC encoder object for this connector. 817 * If we got no DDC, we do load detection on the DAC encoder object. 818 * If we got analog DDC or load detection passes on the DAC encoder 819 * we have to check if this analog encoder is shared with anyone else (TV) 820 * if its shared we have to set the other connector to disconnected. 821 */ 822 static enum drm_connector_status 823 radeon_dvi_detect(struct drm_connector *connector, bool force) 824 { 825 struct drm_device *dev = connector->dev; 826 struct radeon_device *rdev = dev->dev_private; 827 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 828 struct drm_encoder *encoder = NULL; 829 struct drm_encoder_helper_funcs *encoder_funcs; 830 struct drm_mode_object *obj; 831 int i; 832 enum drm_connector_status ret = connector_status_disconnected; 833 bool dret = false; 834 835 if (radeon_connector->ddc_bus) 836 dret = radeon_ddc_probe(radeon_connector); 837 if (dret) { 838 if (radeon_connector->edid) { 839 kfree(radeon_connector->edid); 840 radeon_connector->edid = NULL; 841 } 842 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter); 843 844 if (!radeon_connector->edid) { 845 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n", 846 drm_get_connector_name(connector)); 847 /* rs690 seems to have a problem with connectors not existing and always 848 * return a block of 0's. If we see this just stop polling on this output */ 849 if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && radeon_connector->base.null_edid_counter) { 850 ret = connector_status_disconnected; 851 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector)); 852 radeon_connector->ddc_bus = NULL; 853 } 854 } else { 855 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL); 856 857 /* some oems have boards with separate digital and analog connectors 858 * with a shared ddc line (often vga + hdmi) 859 */ 860 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) { 861 kfree(radeon_connector->edid); 862 radeon_connector->edid = NULL; 863 ret = connector_status_disconnected; 864 } else 865 ret = connector_status_connected; 866 867 /* This gets complicated. We have boards with VGA + HDMI with a 868 * shared DDC line and we have boards with DVI-D + HDMI with a shared 869 * DDC line. The latter is more complex because with DVI<->HDMI adapters 870 * you don't really know what's connected to which port as both are digital. 871 */ 872 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) { 873 struct drm_connector *list_connector; 874 struct radeon_connector *list_radeon_connector; 875 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) { 876 if (connector == list_connector) 877 continue; 878 list_radeon_connector = to_radeon_connector(list_connector); 879 if (list_radeon_connector->shared_ddc && 880 (list_radeon_connector->ddc_bus->rec.i2c_id == 881 radeon_connector->ddc_bus->rec.i2c_id)) { 882 /* cases where both connectors are digital */ 883 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) { 884 /* hpd is our only option in this case */ 885 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { 886 kfree(radeon_connector->edid); 887 radeon_connector->edid = NULL; 888 ret = connector_status_disconnected; 889 } 890 } 891 } 892 } 893 } 894 } 895 } 896 897 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true)) 898 goto out; 899 900 if (!force) { 901 ret = connector->status; 902 goto out; 903 } 904 905 /* find analog encoder */ 906 if (radeon_connector->dac_load_detect) { 907 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 908 if (connector->encoder_ids[i] == 0) 909 break; 910 911 obj = drm_mode_object_find(connector->dev, 912 connector->encoder_ids[i], 913 DRM_MODE_OBJECT_ENCODER); 914 if (!obj) 915 continue; 916 917 encoder = obj_to_encoder(obj); 918 919 encoder_funcs = encoder->helper_private; 920 if (encoder_funcs->detect) { 921 if (ret != connector_status_connected) { 922 ret = encoder_funcs->detect(encoder, connector); 923 if (ret == connector_status_connected) { 924 radeon_connector->use_digital = false; 925 } 926 } 927 break; 928 } 929 } 930 } 931 932 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) && 933 encoder) { 934 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true); 935 } 936 937 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the 938 * vbios to deal with KVMs. If we have one and are not able to detect a monitor 939 * by other means, assume the DFP is connected and use that EDID. In most 940 * cases the DVI port is actually a virtual KVM port connected to the service 941 * processor. 942 */ 943 if ((!rdev->is_atom_bios) && 944 (ret == connector_status_disconnected) && 945 rdev->mode_info.bios_hardcoded_edid_size) { 946 radeon_connector->use_digital = true; 947 ret = connector_status_connected; 948 } 949 950 out: 951 /* updated in get modes as well since we need to know if it's analog or digital */ 952 radeon_connector_update_scratch_regs(connector, ret); 953 return ret; 954 } 955 956 /* okay need to be smart in here about which encoder to pick */ 957 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector) 958 { 959 int enc_id = connector->encoder_ids[0]; 960 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 961 struct drm_mode_object *obj; 962 struct drm_encoder *encoder; 963 int i; 964 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 965 if (connector->encoder_ids[i] == 0) 966 break; 967 968 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER); 969 if (!obj) 970 continue; 971 972 encoder = obj_to_encoder(obj); 973 974 if (radeon_connector->use_digital == true) { 975 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS) 976 return encoder; 977 } else { 978 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC || 979 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC) 980 return encoder; 981 } 982 } 983 984 /* see if we have a default encoder TODO */ 985 986 /* then check use digitial */ 987 /* pick the first one */ 988 if (enc_id) { 989 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER); 990 if (!obj) 991 return NULL; 992 encoder = obj_to_encoder(obj); 993 return encoder; 994 } 995 return NULL; 996 } 997 998 static void radeon_dvi_force(struct drm_connector *connector) 999 { 1000 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1001 if (connector->force == DRM_FORCE_ON) 1002 radeon_connector->use_digital = false; 1003 if (connector->force == DRM_FORCE_ON_DIGITAL) 1004 radeon_connector->use_digital = true; 1005 } 1006 1007 static int radeon_dvi_mode_valid(struct drm_connector *connector, 1008 struct drm_display_mode *mode) 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 1014 /* XXX check mode bandwidth */ 1015 1016 /* clocks over 135 MHz have heat issues with DVI on RV100 */ 1017 if (radeon_connector->use_digital && 1018 (rdev->family == CHIP_RV100) && 1019 (mode->clock > 135000)) 1020 return MODE_CLOCK_HIGH; 1021 1022 if (radeon_connector->use_digital && (mode->clock > 165000)) { 1023 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) || 1024 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) || 1025 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B)) 1026 return MODE_OK; 1027 else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) { 1028 if (ASIC_IS_DCE3(rdev)) { 1029 /* HDMI 1.3+ supports max clock of 340 Mhz */ 1030 if (mode->clock > 340000) 1031 return MODE_CLOCK_HIGH; 1032 else 1033 return MODE_OK; 1034 } else 1035 return MODE_CLOCK_HIGH; 1036 } else 1037 return MODE_CLOCK_HIGH; 1038 } 1039 1040 /* check against the max pixel clock */ 1041 if ((mode->clock / 10) > rdev->clock.max_pixel_clock) 1042 return MODE_CLOCK_HIGH; 1043 1044 return MODE_OK; 1045 } 1046 1047 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = { 1048 .get_modes = radeon_dvi_get_modes, 1049 .mode_valid = radeon_dvi_mode_valid, 1050 .best_encoder = radeon_dvi_encoder, 1051 }; 1052 1053 struct drm_connector_funcs radeon_dvi_connector_funcs = { 1054 .dpms = drm_helper_connector_dpms, 1055 .detect = radeon_dvi_detect, 1056 .fill_modes = drm_helper_probe_single_connector_modes, 1057 .set_property = radeon_connector_set_property, 1058 .destroy = radeon_connector_destroy, 1059 .force = radeon_dvi_force, 1060 }; 1061 1062 static void radeon_dp_connector_destroy(struct drm_connector *connector) 1063 { 1064 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1065 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1066 1067 if (radeon_connector->edid) 1068 kfree(radeon_connector->edid); 1069 if (radeon_dig_connector->dp_i2c_bus) 1070 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus); 1071 kfree(radeon_connector->con_priv); 1072 drm_sysfs_connector_remove(connector); 1073 drm_connector_cleanup(connector); 1074 kfree(connector); 1075 } 1076 1077 static int radeon_dp_get_modes(struct drm_connector *connector) 1078 { 1079 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1080 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1081 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1082 int ret; 1083 1084 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1085 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1086 struct drm_display_mode *mode; 1087 1088 if (!radeon_dig_connector->edp_on) 1089 atombios_set_edp_panel_power(connector, 1090 ATOM_TRANSMITTER_ACTION_POWER_ON); 1091 ret = radeon_ddc_get_modes(radeon_connector); 1092 if (!radeon_dig_connector->edp_on) 1093 atombios_set_edp_panel_power(connector, 1094 ATOM_TRANSMITTER_ACTION_POWER_OFF); 1095 1096 if (ret > 0) { 1097 if (encoder) { 1098 radeon_fixup_lvds_native_mode(encoder, connector); 1099 /* add scaled modes */ 1100 radeon_add_common_modes(encoder, connector); 1101 } 1102 return ret; 1103 } 1104 1105 encoder = radeon_best_single_encoder(connector); 1106 if (!encoder) 1107 return 0; 1108 1109 /* we have no EDID modes */ 1110 mode = radeon_fp_native_mode(encoder); 1111 if (mode) { 1112 ret = 1; 1113 drm_mode_probed_add(connector, mode); 1114 /* add the width/height from vbios tables if available */ 1115 connector->display_info.width_mm = mode->width_mm; 1116 connector->display_info.height_mm = mode->height_mm; 1117 /* add scaled modes */ 1118 radeon_add_common_modes(encoder, connector); 1119 } 1120 } else { 1121 /* need to setup ddc on the bridge */ 1122 if (radeon_connector_encoder_is_dp_bridge(connector)) { 1123 if (encoder) 1124 radeon_atom_ext_encoder_setup_ddc(encoder); 1125 } 1126 ret = radeon_ddc_get_modes(radeon_connector); 1127 } 1128 1129 return ret; 1130 } 1131 1132 bool radeon_connector_encoder_is_dp_bridge(struct drm_connector *connector) 1133 { 1134 struct drm_mode_object *obj; 1135 struct drm_encoder *encoder; 1136 struct radeon_encoder *radeon_encoder; 1137 int i; 1138 bool found = false; 1139 1140 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1141 if (connector->encoder_ids[i] == 0) 1142 break; 1143 1144 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER); 1145 if (!obj) 1146 continue; 1147 1148 encoder = obj_to_encoder(obj); 1149 radeon_encoder = to_radeon_encoder(encoder); 1150 1151 switch (radeon_encoder->encoder_id) { 1152 case ENCODER_OBJECT_ID_TRAVIS: 1153 case ENCODER_OBJECT_ID_NUTMEG: 1154 found = true; 1155 break; 1156 default: 1157 break; 1158 } 1159 } 1160 1161 return found; 1162 } 1163 1164 bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector) 1165 { 1166 struct drm_mode_object *obj; 1167 struct drm_encoder *encoder; 1168 struct radeon_encoder *radeon_encoder; 1169 int i; 1170 bool found = false; 1171 1172 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1173 if (connector->encoder_ids[i] == 0) 1174 break; 1175 1176 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER); 1177 if (!obj) 1178 continue; 1179 1180 encoder = obj_to_encoder(obj); 1181 radeon_encoder = to_radeon_encoder(encoder); 1182 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2) 1183 found = true; 1184 } 1185 1186 return found; 1187 } 1188 1189 bool radeon_connector_is_dp12_capable(struct drm_connector *connector) 1190 { 1191 struct drm_device *dev = connector->dev; 1192 struct radeon_device *rdev = dev->dev_private; 1193 1194 if (ASIC_IS_DCE5(rdev) && 1195 (rdev->clock.dp_extclk >= 53900) && 1196 radeon_connector_encoder_is_hbr2(connector)) { 1197 return true; 1198 } 1199 1200 return false; 1201 } 1202 1203 static enum drm_connector_status 1204 radeon_dp_detect(struct drm_connector *connector, bool force) 1205 { 1206 struct drm_device *dev = connector->dev; 1207 struct radeon_device *rdev = dev->dev_private; 1208 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1209 enum drm_connector_status ret = connector_status_disconnected; 1210 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1211 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1212 1213 if (radeon_connector->edid) { 1214 kfree(radeon_connector->edid); 1215 radeon_connector->edid = NULL; 1216 } 1217 1218 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1219 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1220 if (encoder) { 1221 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 1222 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 1223 1224 /* check if panel is valid */ 1225 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240) 1226 ret = connector_status_connected; 1227 } 1228 /* eDP is always DP */ 1229 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; 1230 if (!radeon_dig_connector->edp_on) 1231 atombios_set_edp_panel_power(connector, 1232 ATOM_TRANSMITTER_ACTION_POWER_ON); 1233 if (radeon_dp_getdpcd(radeon_connector)) 1234 ret = connector_status_connected; 1235 if (!radeon_dig_connector->edp_on) 1236 atombios_set_edp_panel_power(connector, 1237 ATOM_TRANSMITTER_ACTION_POWER_OFF); 1238 } else { 1239 /* need to setup ddc on the bridge */ 1240 if (radeon_connector_encoder_is_dp_bridge(connector)) { 1241 if (encoder) 1242 radeon_atom_ext_encoder_setup_ddc(encoder); 1243 } 1244 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector); 1245 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { 1246 ret = connector_status_connected; 1247 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) 1248 radeon_dp_getdpcd(radeon_connector); 1249 } else { 1250 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) { 1251 if (radeon_dp_getdpcd(radeon_connector)) 1252 ret = connector_status_connected; 1253 } else { 1254 if (radeon_ddc_probe(radeon_connector)) 1255 ret = connector_status_connected; 1256 } 1257 } 1258 1259 if ((ret == connector_status_disconnected) && 1260 radeon_connector->dac_load_detect) { 1261 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1262 struct drm_encoder_helper_funcs *encoder_funcs; 1263 if (encoder) { 1264 encoder_funcs = encoder->helper_private; 1265 ret = encoder_funcs->detect(encoder, connector); 1266 } 1267 } 1268 } 1269 1270 radeon_connector_update_scratch_regs(connector, ret); 1271 return ret; 1272 } 1273 1274 static int radeon_dp_mode_valid(struct drm_connector *connector, 1275 struct drm_display_mode *mode) 1276 { 1277 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1278 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1279 1280 /* XXX check mode bandwidth */ 1281 1282 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1283 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1284 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1285 1286 if ((mode->hdisplay < 320) || (mode->vdisplay < 240)) 1287 return MODE_PANEL; 1288 1289 if (encoder) { 1290 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 1291 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 1292 1293 /* AVIVO hardware supports downscaling modes larger than the panel 1294 * to the panel size, but I'm not sure this is desirable. 1295 */ 1296 if ((mode->hdisplay > native_mode->hdisplay) || 1297 (mode->vdisplay > native_mode->vdisplay)) 1298 return MODE_PANEL; 1299 1300 /* if scaling is disabled, block non-native modes */ 1301 if (radeon_encoder->rmx_type == RMX_OFF) { 1302 if ((mode->hdisplay != native_mode->hdisplay) || 1303 (mode->vdisplay != native_mode->vdisplay)) 1304 return MODE_PANEL; 1305 } 1306 } 1307 return MODE_OK; 1308 } else { 1309 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 1310 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) 1311 return radeon_dp_mode_valid_helper(connector, mode); 1312 else 1313 return MODE_OK; 1314 } 1315 } 1316 1317 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = { 1318 .get_modes = radeon_dp_get_modes, 1319 .mode_valid = radeon_dp_mode_valid, 1320 .best_encoder = radeon_dvi_encoder, 1321 }; 1322 1323 struct drm_connector_funcs radeon_dp_connector_funcs = { 1324 .dpms = drm_helper_connector_dpms, 1325 .detect = radeon_dp_detect, 1326 .fill_modes = drm_helper_probe_single_connector_modes, 1327 .set_property = radeon_connector_set_property, 1328 .destroy = radeon_dp_connector_destroy, 1329 .force = radeon_dvi_force, 1330 }; 1331 1332 void 1333 radeon_add_atom_connector(struct drm_device *dev, 1334 uint32_t connector_id, 1335 uint32_t supported_device, 1336 int connector_type, 1337 struct radeon_i2c_bus_rec *i2c_bus, 1338 uint32_t igp_lane_info, 1339 uint16_t connector_object_id, 1340 struct radeon_hpd *hpd, 1341 struct radeon_router *router) 1342 { 1343 struct radeon_device *rdev = dev->dev_private; 1344 struct drm_connector *connector; 1345 struct radeon_connector *radeon_connector; 1346 struct radeon_connector_atom_dig *radeon_dig_connector; 1347 struct drm_encoder *encoder; 1348 struct radeon_encoder *radeon_encoder; 1349 uint32_t subpixel_order = SubPixelNone; 1350 bool shared_ddc = false; 1351 bool is_dp_bridge = false; 1352 1353 if (connector_type == DRM_MODE_CONNECTOR_Unknown) 1354 return; 1355 1356 /* if the user selected tv=0 don't try and add the connector */ 1357 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) || 1358 (connector_type == DRM_MODE_CONNECTOR_Composite) || 1359 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) && 1360 (radeon_tv == 0)) 1361 return; 1362 1363 /* see if we already added it */ 1364 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 1365 radeon_connector = to_radeon_connector(connector); 1366 if (radeon_connector->connector_id == connector_id) { 1367 radeon_connector->devices |= supported_device; 1368 return; 1369 } 1370 if (radeon_connector->ddc_bus && i2c_bus->valid) { 1371 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) { 1372 radeon_connector->shared_ddc = true; 1373 shared_ddc = true; 1374 } 1375 if (radeon_connector->router_bus && router->ddc_valid && 1376 (radeon_connector->router.router_id == router->router_id)) { 1377 radeon_connector->shared_ddc = false; 1378 shared_ddc = false; 1379 } 1380 } 1381 } 1382 1383 /* check if it's a dp bridge */ 1384 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 1385 radeon_encoder = to_radeon_encoder(encoder); 1386 if (radeon_encoder->devices & supported_device) { 1387 switch (radeon_encoder->encoder_id) { 1388 case ENCODER_OBJECT_ID_TRAVIS: 1389 case ENCODER_OBJECT_ID_NUTMEG: 1390 is_dp_bridge = true; 1391 break; 1392 default: 1393 break; 1394 } 1395 } 1396 } 1397 1398 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL); 1399 if (!radeon_connector) 1400 return; 1401 1402 connector = &radeon_connector->base; 1403 1404 radeon_connector->connector_id = connector_id; 1405 radeon_connector->devices = supported_device; 1406 radeon_connector->shared_ddc = shared_ddc; 1407 radeon_connector->connector_object_id = connector_object_id; 1408 radeon_connector->hpd = *hpd; 1409 radeon_connector->router = *router; 1410 if (router->ddc_valid || router->cd_valid) { 1411 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info); 1412 if (!radeon_connector->router_bus) 1413 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n"); 1414 } 1415 1416 if (is_dp_bridge) { 1417 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1418 if (!radeon_dig_connector) 1419 goto failed; 1420 radeon_dig_connector->igp_lane_info = igp_lane_info; 1421 radeon_connector->con_priv = radeon_dig_connector; 1422 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type); 1423 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); 1424 if (i2c_bus->valid) { 1425 /* add DP i2c bus */ 1426 if (connector_type == DRM_MODE_CONNECTOR_eDP) 1427 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch"); 1428 else 1429 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch"); 1430 if (!radeon_dig_connector->dp_i2c_bus) 1431 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n"); 1432 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1433 if (!radeon_connector->ddc_bus) 1434 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1435 } 1436 switch (connector_type) { 1437 case DRM_MODE_CONNECTOR_VGA: 1438 case DRM_MODE_CONNECTOR_DVIA: 1439 default: 1440 connector->interlace_allowed = true; 1441 connector->doublescan_allowed = true; 1442 radeon_connector->dac_load_detect = true; 1443 drm_connector_attach_property(&radeon_connector->base, 1444 rdev->mode_info.load_detect_property, 1445 1); 1446 break; 1447 case DRM_MODE_CONNECTOR_DVII: 1448 case DRM_MODE_CONNECTOR_DVID: 1449 case DRM_MODE_CONNECTOR_HDMIA: 1450 case DRM_MODE_CONNECTOR_HDMIB: 1451 case DRM_MODE_CONNECTOR_DisplayPort: 1452 drm_connector_attach_property(&radeon_connector->base, 1453 rdev->mode_info.underscan_property, 1454 UNDERSCAN_OFF); 1455 drm_connector_attach_property(&radeon_connector->base, 1456 rdev->mode_info.underscan_hborder_property, 1457 0); 1458 drm_connector_attach_property(&radeon_connector->base, 1459 rdev->mode_info.underscan_vborder_property, 1460 0); 1461 subpixel_order = SubPixelHorizontalRGB; 1462 connector->interlace_allowed = true; 1463 if (connector_type == DRM_MODE_CONNECTOR_HDMIB) 1464 connector->doublescan_allowed = true; 1465 else 1466 connector->doublescan_allowed = false; 1467 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 1468 radeon_connector->dac_load_detect = true; 1469 drm_connector_attach_property(&radeon_connector->base, 1470 rdev->mode_info.load_detect_property, 1471 1); 1472 } 1473 break; 1474 case DRM_MODE_CONNECTOR_LVDS: 1475 case DRM_MODE_CONNECTOR_eDP: 1476 drm_connector_attach_property(&radeon_connector->base, 1477 dev->mode_config.scaling_mode_property, 1478 DRM_MODE_SCALE_FULLSCREEN); 1479 subpixel_order = SubPixelHorizontalRGB; 1480 connector->interlace_allowed = false; 1481 connector->doublescan_allowed = false; 1482 break; 1483 } 1484 } else { 1485 switch (connector_type) { 1486 case DRM_MODE_CONNECTOR_VGA: 1487 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 1488 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 1489 if (i2c_bus->valid) { 1490 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1491 if (!radeon_connector->ddc_bus) 1492 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1493 } 1494 radeon_connector->dac_load_detect = true; 1495 drm_connector_attach_property(&radeon_connector->base, 1496 rdev->mode_info.load_detect_property, 1497 1); 1498 /* no HPD on analog connectors */ 1499 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 1500 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1501 connector->interlace_allowed = true; 1502 connector->doublescan_allowed = true; 1503 break; 1504 case DRM_MODE_CONNECTOR_DVIA: 1505 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 1506 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 1507 if (i2c_bus->valid) { 1508 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1509 if (!radeon_connector->ddc_bus) 1510 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1511 } 1512 radeon_connector->dac_load_detect = true; 1513 drm_connector_attach_property(&radeon_connector->base, 1514 rdev->mode_info.load_detect_property, 1515 1); 1516 /* no HPD on analog connectors */ 1517 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 1518 connector->interlace_allowed = true; 1519 connector->doublescan_allowed = true; 1520 break; 1521 case DRM_MODE_CONNECTOR_DVII: 1522 case DRM_MODE_CONNECTOR_DVID: 1523 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1524 if (!radeon_dig_connector) 1525 goto failed; 1526 radeon_dig_connector->igp_lane_info = igp_lane_info; 1527 radeon_connector->con_priv = radeon_dig_connector; 1528 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); 1529 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 1530 if (i2c_bus->valid) { 1531 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1532 if (!radeon_connector->ddc_bus) 1533 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1534 } 1535 subpixel_order = SubPixelHorizontalRGB; 1536 drm_connector_attach_property(&radeon_connector->base, 1537 rdev->mode_info.coherent_mode_property, 1538 1); 1539 if (ASIC_IS_AVIVO(rdev)) { 1540 drm_connector_attach_property(&radeon_connector->base, 1541 rdev->mode_info.underscan_property, 1542 UNDERSCAN_OFF); 1543 drm_connector_attach_property(&radeon_connector->base, 1544 rdev->mode_info.underscan_hborder_property, 1545 0); 1546 drm_connector_attach_property(&radeon_connector->base, 1547 rdev->mode_info.underscan_vborder_property, 1548 0); 1549 } 1550 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 1551 radeon_connector->dac_load_detect = true; 1552 drm_connector_attach_property(&radeon_connector->base, 1553 rdev->mode_info.load_detect_property, 1554 1); 1555 } 1556 connector->interlace_allowed = true; 1557 if (connector_type == DRM_MODE_CONNECTOR_DVII) 1558 connector->doublescan_allowed = true; 1559 else 1560 connector->doublescan_allowed = false; 1561 break; 1562 case DRM_MODE_CONNECTOR_HDMIA: 1563 case DRM_MODE_CONNECTOR_HDMIB: 1564 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1565 if (!radeon_dig_connector) 1566 goto failed; 1567 radeon_dig_connector->igp_lane_info = igp_lane_info; 1568 radeon_connector->con_priv = radeon_dig_connector; 1569 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); 1570 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 1571 if (i2c_bus->valid) { 1572 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1573 if (!radeon_connector->ddc_bus) 1574 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1575 } 1576 drm_connector_attach_property(&radeon_connector->base, 1577 rdev->mode_info.coherent_mode_property, 1578 1); 1579 if (ASIC_IS_AVIVO(rdev)) { 1580 drm_connector_attach_property(&radeon_connector->base, 1581 rdev->mode_info.underscan_property, 1582 UNDERSCAN_OFF); 1583 drm_connector_attach_property(&radeon_connector->base, 1584 rdev->mode_info.underscan_hborder_property, 1585 0); 1586 drm_connector_attach_property(&radeon_connector->base, 1587 rdev->mode_info.underscan_vborder_property, 1588 0); 1589 } 1590 subpixel_order = SubPixelHorizontalRGB; 1591 connector->interlace_allowed = true; 1592 if (connector_type == DRM_MODE_CONNECTOR_HDMIB) 1593 connector->doublescan_allowed = true; 1594 else 1595 connector->doublescan_allowed = false; 1596 break; 1597 case DRM_MODE_CONNECTOR_DisplayPort: 1598 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1599 if (!radeon_dig_connector) 1600 goto failed; 1601 radeon_dig_connector->igp_lane_info = igp_lane_info; 1602 radeon_connector->con_priv = radeon_dig_connector; 1603 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type); 1604 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); 1605 if (i2c_bus->valid) { 1606 /* add DP i2c bus */ 1607 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch"); 1608 if (!radeon_dig_connector->dp_i2c_bus) 1609 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n"); 1610 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1611 if (!radeon_connector->ddc_bus) 1612 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1613 } 1614 subpixel_order = SubPixelHorizontalRGB; 1615 drm_connector_attach_property(&radeon_connector->base, 1616 rdev->mode_info.coherent_mode_property, 1617 1); 1618 if (ASIC_IS_AVIVO(rdev)) { 1619 drm_connector_attach_property(&radeon_connector->base, 1620 rdev->mode_info.underscan_property, 1621 UNDERSCAN_OFF); 1622 drm_connector_attach_property(&radeon_connector->base, 1623 rdev->mode_info.underscan_hborder_property, 1624 0); 1625 drm_connector_attach_property(&radeon_connector->base, 1626 rdev->mode_info.underscan_vborder_property, 1627 0); 1628 } 1629 connector->interlace_allowed = true; 1630 /* in theory with a DP to VGA converter... */ 1631 connector->doublescan_allowed = false; 1632 break; 1633 case DRM_MODE_CONNECTOR_eDP: 1634 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1635 if (!radeon_dig_connector) 1636 goto failed; 1637 radeon_dig_connector->igp_lane_info = igp_lane_info; 1638 radeon_connector->con_priv = radeon_dig_connector; 1639 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type); 1640 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); 1641 if (i2c_bus->valid) { 1642 /* add DP i2c bus */ 1643 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch"); 1644 if (!radeon_dig_connector->dp_i2c_bus) 1645 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n"); 1646 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1647 if (!radeon_connector->ddc_bus) 1648 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1649 } 1650 drm_connector_attach_property(&radeon_connector->base, 1651 dev->mode_config.scaling_mode_property, 1652 DRM_MODE_SCALE_FULLSCREEN); 1653 subpixel_order = SubPixelHorizontalRGB; 1654 connector->interlace_allowed = false; 1655 connector->doublescan_allowed = false; 1656 break; 1657 case DRM_MODE_CONNECTOR_SVIDEO: 1658 case DRM_MODE_CONNECTOR_Composite: 1659 case DRM_MODE_CONNECTOR_9PinDIN: 1660 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type); 1661 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs); 1662 radeon_connector->dac_load_detect = true; 1663 drm_connector_attach_property(&radeon_connector->base, 1664 rdev->mode_info.load_detect_property, 1665 1); 1666 drm_connector_attach_property(&radeon_connector->base, 1667 rdev->mode_info.tv_std_property, 1668 radeon_atombios_get_tv_info(rdev)); 1669 /* no HPD on analog connectors */ 1670 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 1671 connector->interlace_allowed = false; 1672 connector->doublescan_allowed = false; 1673 break; 1674 case DRM_MODE_CONNECTOR_LVDS: 1675 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1676 if (!radeon_dig_connector) 1677 goto failed; 1678 radeon_dig_connector->igp_lane_info = igp_lane_info; 1679 radeon_connector->con_priv = radeon_dig_connector; 1680 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type); 1681 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs); 1682 if (i2c_bus->valid) { 1683 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1684 if (!radeon_connector->ddc_bus) 1685 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1686 } 1687 drm_connector_attach_property(&radeon_connector->base, 1688 dev->mode_config.scaling_mode_property, 1689 DRM_MODE_SCALE_FULLSCREEN); 1690 subpixel_order = SubPixelHorizontalRGB; 1691 connector->interlace_allowed = false; 1692 connector->doublescan_allowed = false; 1693 break; 1694 } 1695 } 1696 1697 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) { 1698 if (i2c_bus->valid) 1699 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1700 } else 1701 connector->polled = DRM_CONNECTOR_POLL_HPD; 1702 1703 connector->display_info.subpixel_order = subpixel_order; 1704 drm_sysfs_connector_add(connector); 1705 return; 1706 1707 failed: 1708 drm_connector_cleanup(connector); 1709 kfree(connector); 1710 } 1711 1712 void 1713 radeon_add_legacy_connector(struct drm_device *dev, 1714 uint32_t connector_id, 1715 uint32_t supported_device, 1716 int connector_type, 1717 struct radeon_i2c_bus_rec *i2c_bus, 1718 uint16_t connector_object_id, 1719 struct radeon_hpd *hpd) 1720 { 1721 struct radeon_device *rdev = dev->dev_private; 1722 struct drm_connector *connector; 1723 struct radeon_connector *radeon_connector; 1724 uint32_t subpixel_order = SubPixelNone; 1725 1726 if (connector_type == DRM_MODE_CONNECTOR_Unknown) 1727 return; 1728 1729 /* if the user selected tv=0 don't try and add the connector */ 1730 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) || 1731 (connector_type == DRM_MODE_CONNECTOR_Composite) || 1732 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) && 1733 (radeon_tv == 0)) 1734 return; 1735 1736 /* see if we already added it */ 1737 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 1738 radeon_connector = to_radeon_connector(connector); 1739 if (radeon_connector->connector_id == connector_id) { 1740 radeon_connector->devices |= supported_device; 1741 return; 1742 } 1743 } 1744 1745 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL); 1746 if (!radeon_connector) 1747 return; 1748 1749 connector = &radeon_connector->base; 1750 1751 radeon_connector->connector_id = connector_id; 1752 radeon_connector->devices = supported_device; 1753 radeon_connector->connector_object_id = connector_object_id; 1754 radeon_connector->hpd = *hpd; 1755 switch (connector_type) { 1756 case DRM_MODE_CONNECTOR_VGA: 1757 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 1758 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 1759 if (i2c_bus->valid) { 1760 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1761 if (!radeon_connector->ddc_bus) 1762 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1763 } 1764 radeon_connector->dac_load_detect = true; 1765 drm_connector_attach_property(&radeon_connector->base, 1766 rdev->mode_info.load_detect_property, 1767 1); 1768 /* no HPD on analog connectors */ 1769 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 1770 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1771 connector->interlace_allowed = true; 1772 connector->doublescan_allowed = true; 1773 break; 1774 case DRM_MODE_CONNECTOR_DVIA: 1775 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 1776 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 1777 if (i2c_bus->valid) { 1778 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1779 if (!radeon_connector->ddc_bus) 1780 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1781 } 1782 radeon_connector->dac_load_detect = true; 1783 drm_connector_attach_property(&radeon_connector->base, 1784 rdev->mode_info.load_detect_property, 1785 1); 1786 /* no HPD on analog connectors */ 1787 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 1788 connector->interlace_allowed = true; 1789 connector->doublescan_allowed = true; 1790 break; 1791 case DRM_MODE_CONNECTOR_DVII: 1792 case DRM_MODE_CONNECTOR_DVID: 1793 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); 1794 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 1795 if (i2c_bus->valid) { 1796 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1797 if (!radeon_connector->ddc_bus) 1798 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1799 } 1800 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 1801 radeon_connector->dac_load_detect = true; 1802 drm_connector_attach_property(&radeon_connector->base, 1803 rdev->mode_info.load_detect_property, 1804 1); 1805 } 1806 subpixel_order = SubPixelHorizontalRGB; 1807 connector->interlace_allowed = true; 1808 if (connector_type == DRM_MODE_CONNECTOR_DVII) 1809 connector->doublescan_allowed = true; 1810 else 1811 connector->doublescan_allowed = false; 1812 break; 1813 case DRM_MODE_CONNECTOR_SVIDEO: 1814 case DRM_MODE_CONNECTOR_Composite: 1815 case DRM_MODE_CONNECTOR_9PinDIN: 1816 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type); 1817 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs); 1818 radeon_connector->dac_load_detect = true; 1819 /* RS400,RC410,RS480 chipset seems to report a lot 1820 * of false positive on load detect, we haven't yet 1821 * found a way to make load detect reliable on those 1822 * chipset, thus just disable it for TV. 1823 */ 1824 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480) 1825 radeon_connector->dac_load_detect = false; 1826 drm_connector_attach_property(&radeon_connector->base, 1827 rdev->mode_info.load_detect_property, 1828 radeon_connector->dac_load_detect); 1829 drm_connector_attach_property(&radeon_connector->base, 1830 rdev->mode_info.tv_std_property, 1831 radeon_combios_get_tv_info(rdev)); 1832 /* no HPD on analog connectors */ 1833 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 1834 connector->interlace_allowed = false; 1835 connector->doublescan_allowed = false; 1836 break; 1837 case DRM_MODE_CONNECTOR_LVDS: 1838 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type); 1839 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs); 1840 if (i2c_bus->valid) { 1841 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1842 if (!radeon_connector->ddc_bus) 1843 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1844 } 1845 drm_connector_attach_property(&radeon_connector->base, 1846 dev->mode_config.scaling_mode_property, 1847 DRM_MODE_SCALE_FULLSCREEN); 1848 subpixel_order = SubPixelHorizontalRGB; 1849 connector->interlace_allowed = false; 1850 connector->doublescan_allowed = false; 1851 break; 1852 } 1853 1854 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) { 1855 if (i2c_bus->valid) 1856 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1857 } else 1858 connector->polled = DRM_CONNECTOR_POLL_HPD; 1859 connector->display_info.subpixel_order = subpixel_order; 1860 drm_sysfs_connector_add(connector); 1861 if (connector_type == DRM_MODE_CONNECTOR_LVDS) { 1862 struct drm_encoder *drm_encoder; 1863 1864 list_for_each_entry(drm_encoder, &dev->mode_config.encoder_list, head) { 1865 struct radeon_encoder *radeon_encoder; 1866 1867 radeon_encoder = to_radeon_encoder(drm_encoder); 1868 if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_LVDS) 1869 radeon_legacy_backlight_init(radeon_encoder, connector); 1870 } 1871 } 1872 } 1873