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 /* if the connector is already off, don't turn it back on */ 64 if (connector->dpms != DRM_MODE_DPMS_ON) 65 return; 66 67 /* just deal with DP (not eDP) here. */ 68 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) { 69 int saved_dpms = connector->dpms; 70 71 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd) && 72 radeon_dp_needs_link_train(radeon_connector)) 73 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); 74 else 75 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); 76 connector->dpms = saved_dpms; 77 } 78 } 79 80 static void radeon_property_change_mode(struct drm_encoder *encoder) 81 { 82 struct drm_crtc *crtc = encoder->crtc; 83 84 if (crtc && crtc->enabled) { 85 drm_crtc_helper_set_mode(crtc, &crtc->mode, 86 crtc->x, crtc->y, crtc->fb); 87 } 88 } 89 static void 90 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status) 91 { 92 struct drm_device *dev = connector->dev; 93 struct radeon_device *rdev = dev->dev_private; 94 struct drm_encoder *best_encoder = NULL; 95 struct drm_encoder *encoder = NULL; 96 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 97 struct drm_mode_object *obj; 98 bool connected; 99 int i; 100 101 best_encoder = connector_funcs->best_encoder(connector); 102 103 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 104 if (connector->encoder_ids[i] == 0) 105 break; 106 107 obj = drm_mode_object_find(connector->dev, 108 connector->encoder_ids[i], 109 DRM_MODE_OBJECT_ENCODER); 110 if (!obj) 111 continue; 112 113 encoder = obj_to_encoder(obj); 114 115 if ((encoder == best_encoder) && (status == connector_status_connected)) 116 connected = true; 117 else 118 connected = false; 119 120 if (rdev->is_atom_bios) 121 radeon_atombios_connected_scratch_regs(connector, encoder, connected); 122 else 123 radeon_combios_connected_scratch_regs(connector, encoder, connected); 124 125 } 126 } 127 128 struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type) 129 { 130 struct drm_mode_object *obj; 131 struct drm_encoder *encoder; 132 int i; 133 134 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 135 if (connector->encoder_ids[i] == 0) 136 break; 137 138 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER); 139 if (!obj) 140 continue; 141 142 encoder = obj_to_encoder(obj); 143 if (encoder->encoder_type == encoder_type) 144 return encoder; 145 } 146 return NULL; 147 } 148 149 struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector) 150 { 151 int enc_id = connector->encoder_ids[0]; 152 struct drm_mode_object *obj; 153 struct drm_encoder *encoder; 154 155 /* pick the encoder ids */ 156 if (enc_id) { 157 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER); 158 if (!obj) 159 return NULL; 160 encoder = obj_to_encoder(obj); 161 return encoder; 162 } 163 return NULL; 164 } 165 166 /* 167 * radeon_connector_analog_encoder_conflict_solve 168 * - search for other connectors sharing this encoder 169 * if priority is true, then set them disconnected if this is connected 170 * if priority is false, set us disconnected if they are connected 171 */ 172 static enum drm_connector_status 173 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector, 174 struct drm_encoder *encoder, 175 enum drm_connector_status current_status, 176 bool priority) 177 { 178 struct drm_device *dev = connector->dev; 179 struct drm_connector *conflict; 180 struct radeon_connector *radeon_conflict; 181 int i; 182 183 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) { 184 if (conflict == connector) 185 continue; 186 187 radeon_conflict = to_radeon_connector(conflict); 188 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 189 if (conflict->encoder_ids[i] == 0) 190 break; 191 192 /* if the IDs match */ 193 if (conflict->encoder_ids[i] == encoder->base.id) { 194 if (conflict->status != connector_status_connected) 195 continue; 196 197 if (radeon_conflict->use_digital) 198 continue; 199 200 if (priority == true) { 201 DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict)); 202 DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(connector)); 203 conflict->status = connector_status_disconnected; 204 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected); 205 } else { 206 DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector)); 207 DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict)); 208 current_status = connector_status_disconnected; 209 } 210 break; 211 } 212 } 213 } 214 return current_status; 215 216 } 217 218 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder) 219 { 220 struct drm_device *dev = encoder->dev; 221 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 222 struct drm_display_mode *mode = NULL; 223 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 224 225 if (native_mode->hdisplay != 0 && 226 native_mode->vdisplay != 0 && 227 native_mode->clock != 0) { 228 mode = drm_mode_duplicate(dev, native_mode); 229 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; 230 drm_mode_set_name(mode); 231 232 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name); 233 } else if (native_mode->hdisplay != 0 && 234 native_mode->vdisplay != 0) { 235 /* mac laptops without an edid */ 236 /* Note that this is not necessarily the exact panel mode, 237 * but an approximation based on the cvt formula. For these 238 * systems we should ideally read the mode info out of the 239 * registers or add a mode table, but this works and is much 240 * simpler. 241 */ 242 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false); 243 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; 244 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name); 245 } 246 return mode; 247 } 248 249 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector) 250 { 251 struct drm_device *dev = encoder->dev; 252 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 253 struct drm_display_mode *mode = NULL; 254 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 255 int i; 256 struct mode_size { 257 int w; 258 int h; 259 } common_modes[17] = { 260 { 640, 480}, 261 { 720, 480}, 262 { 800, 600}, 263 { 848, 480}, 264 {1024, 768}, 265 {1152, 768}, 266 {1280, 720}, 267 {1280, 800}, 268 {1280, 854}, 269 {1280, 960}, 270 {1280, 1024}, 271 {1440, 900}, 272 {1400, 1050}, 273 {1680, 1050}, 274 {1600, 1200}, 275 {1920, 1080}, 276 {1920, 1200} 277 }; 278 279 for (i = 0; i < 17; i++) { 280 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) { 281 if (common_modes[i].w > 1024 || 282 common_modes[i].h > 768) 283 continue; 284 } 285 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { 286 if (common_modes[i].w > native_mode->hdisplay || 287 common_modes[i].h > native_mode->vdisplay || 288 (common_modes[i].w == native_mode->hdisplay && 289 common_modes[i].h == native_mode->vdisplay)) 290 continue; 291 } 292 if (common_modes[i].w < 320 || common_modes[i].h < 200) 293 continue; 294 295 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false); 296 drm_mode_probed_add(connector, mode); 297 } 298 } 299 300 int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property, 301 uint64_t val) 302 { 303 struct drm_device *dev = connector->dev; 304 struct radeon_device *rdev = dev->dev_private; 305 struct drm_encoder *encoder; 306 struct radeon_encoder *radeon_encoder; 307 308 if (property == rdev->mode_info.coherent_mode_property) { 309 struct radeon_encoder_atom_dig *dig; 310 bool new_coherent_mode; 311 312 /* need to find digital encoder on connector */ 313 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 314 if (!encoder) 315 return 0; 316 317 radeon_encoder = to_radeon_encoder(encoder); 318 319 if (!radeon_encoder->enc_priv) 320 return 0; 321 322 dig = radeon_encoder->enc_priv; 323 new_coherent_mode = val ? true : false; 324 if (dig->coherent_mode != new_coherent_mode) { 325 dig->coherent_mode = new_coherent_mode; 326 radeon_property_change_mode(&radeon_encoder->base); 327 } 328 } 329 330 if (property == rdev->mode_info.underscan_property) { 331 /* need to find digital encoder on connector */ 332 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 333 if (!encoder) 334 return 0; 335 336 radeon_encoder = to_radeon_encoder(encoder); 337 338 if (radeon_encoder->underscan_type != val) { 339 radeon_encoder->underscan_type = val; 340 radeon_property_change_mode(&radeon_encoder->base); 341 } 342 } 343 344 if (property == rdev->mode_info.underscan_hborder_property) { 345 /* need to find digital encoder on connector */ 346 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 347 if (!encoder) 348 return 0; 349 350 radeon_encoder = to_radeon_encoder(encoder); 351 352 if (radeon_encoder->underscan_hborder != val) { 353 radeon_encoder->underscan_hborder = val; 354 radeon_property_change_mode(&radeon_encoder->base); 355 } 356 } 357 358 if (property == rdev->mode_info.underscan_vborder_property) { 359 /* need to find digital encoder on connector */ 360 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 361 if (!encoder) 362 return 0; 363 364 radeon_encoder = to_radeon_encoder(encoder); 365 366 if (radeon_encoder->underscan_vborder != val) { 367 radeon_encoder->underscan_vborder = val; 368 radeon_property_change_mode(&radeon_encoder->base); 369 } 370 } 371 372 if (property == rdev->mode_info.tv_std_property) { 373 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC); 374 if (!encoder) { 375 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC); 376 } 377 378 if (!encoder) 379 return 0; 380 381 radeon_encoder = to_radeon_encoder(encoder); 382 if (!radeon_encoder->enc_priv) 383 return 0; 384 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) { 385 struct radeon_encoder_atom_dac *dac_int; 386 dac_int = radeon_encoder->enc_priv; 387 dac_int->tv_std = val; 388 } else { 389 struct radeon_encoder_tv_dac *dac_int; 390 dac_int = radeon_encoder->enc_priv; 391 dac_int->tv_std = val; 392 } 393 radeon_property_change_mode(&radeon_encoder->base); 394 } 395 396 if (property == rdev->mode_info.load_detect_property) { 397 struct radeon_connector *radeon_connector = 398 to_radeon_connector(connector); 399 400 if (val == 0) 401 radeon_connector->dac_load_detect = false; 402 else 403 radeon_connector->dac_load_detect = true; 404 } 405 406 if (property == rdev->mode_info.tmds_pll_property) { 407 struct radeon_encoder_int_tmds *tmds = NULL; 408 bool ret = false; 409 /* need to find digital encoder on connector */ 410 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 411 if (!encoder) 412 return 0; 413 414 radeon_encoder = to_radeon_encoder(encoder); 415 416 tmds = radeon_encoder->enc_priv; 417 if (!tmds) 418 return 0; 419 420 if (val == 0) { 421 if (rdev->is_atom_bios) 422 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds); 423 else 424 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds); 425 } 426 if (val == 1 || ret == false) { 427 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds); 428 } 429 radeon_property_change_mode(&radeon_encoder->base); 430 } 431 432 return 0; 433 } 434 435 /* 436 * Some integrated ATI Radeon chipset implementations (e. g. 437 * Asus M2A-VM HDMI) may indicate the availability of a DDC, 438 * even when there's no monitor connected. For these connectors 439 * following DDC probe extension will be applied: check also for the 440 * availability of EDID with at least a correct EDID header. Only then, 441 * DDC is assumed to be available. This prevents drm_get_edid() and 442 * drm_edid_block_valid() from periodically dumping data and kernel 443 * errors into the logs and onto the terminal. 444 */ 445 static bool radeon_connector_needs_extended_probe(struct radeon_device *dev, 446 uint32_t supported_device, 447 int connector_type) 448 { 449 /* Asus M2A-VM HDMI board sends data to i2c bus even, 450 * if HDMI add-on card is not plugged in or HDMI is disabled in 451 * BIOS. Valid DDC can only be assumed, if also a valid EDID header 452 * can be retrieved via i2c bus during DDC probe */ 453 if ((dev->pdev->device == 0x791e) && 454 (dev->pdev->subsystem_vendor == 0x1043) && 455 (dev->pdev->subsystem_device == 0x826d)) { 456 if ((connector_type == DRM_MODE_CONNECTOR_HDMIA) && 457 (supported_device == ATOM_DEVICE_DFP2_SUPPORT)) 458 return true; 459 } 460 /* ECS A740GM-M with ATI RADEON 2100 sends data to i2c bus 461 * for a DVI connector that is not implemented */ 462 if ((dev->pdev->device == 0x796e) && 463 (dev->pdev->subsystem_vendor == 0x1019) && 464 (dev->pdev->subsystem_device == 0x2615)) { 465 if ((connector_type == DRM_MODE_CONNECTOR_DVID) && 466 (supported_device == ATOM_DEVICE_DFP2_SUPPORT)) 467 return true; 468 } 469 /* TOSHIBA Satellite L300D with ATI Mobility Radeon x1100 470 * (RS690M) sends data to i2c bus for a HDMI connector that 471 * is not implemented */ 472 if ((dev->pdev->device == 0x791f) && 473 (dev->pdev->subsystem_vendor == 0x1179) && 474 (dev->pdev->subsystem_device == 0xff68)) { 475 if ((connector_type == DRM_MODE_CONNECTOR_HDMIA) && 476 (supported_device == ATOM_DEVICE_DFP2_SUPPORT)) 477 return true; 478 } 479 480 /* Default: no EDID header probe required for DDC probing */ 481 return false; 482 } 483 484 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder, 485 struct drm_connector *connector) 486 { 487 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 488 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 489 struct drm_display_mode *t, *mode; 490 491 /* If the EDID preferred mode doesn't match the native mode, use it */ 492 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) { 493 if (mode->type & DRM_MODE_TYPE_PREFERRED) { 494 if (mode->hdisplay != native_mode->hdisplay || 495 mode->vdisplay != native_mode->vdisplay) 496 memcpy(native_mode, mode, sizeof(*mode)); 497 } 498 } 499 500 /* Try to get native mode details from EDID if necessary */ 501 if (!native_mode->clock) { 502 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) { 503 if (mode->hdisplay == native_mode->hdisplay && 504 mode->vdisplay == native_mode->vdisplay) { 505 *native_mode = *mode; 506 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V); 507 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n"); 508 break; 509 } 510 } 511 } 512 513 if (!native_mode->clock) { 514 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n"); 515 radeon_encoder->rmx_type = RMX_OFF; 516 } 517 } 518 519 static int radeon_lvds_get_modes(struct drm_connector *connector) 520 { 521 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 522 struct drm_encoder *encoder; 523 int ret = 0; 524 struct drm_display_mode *mode; 525 526 if (radeon_connector->ddc_bus) { 527 ret = radeon_ddc_get_modes(radeon_connector); 528 if (ret > 0) { 529 encoder = radeon_best_single_encoder(connector); 530 if (encoder) { 531 radeon_fixup_lvds_native_mode(encoder, connector); 532 /* add scaled modes */ 533 radeon_add_common_modes(encoder, connector); 534 } 535 return ret; 536 } 537 } 538 539 encoder = radeon_best_single_encoder(connector); 540 if (!encoder) 541 return 0; 542 543 /* we have no EDID modes */ 544 mode = radeon_fp_native_mode(encoder); 545 if (mode) { 546 ret = 1; 547 drm_mode_probed_add(connector, mode); 548 /* add the width/height from vbios tables if available */ 549 connector->display_info.width_mm = mode->width_mm; 550 connector->display_info.height_mm = mode->height_mm; 551 /* add scaled modes */ 552 radeon_add_common_modes(encoder, connector); 553 } 554 555 return ret; 556 } 557 558 static int radeon_lvds_mode_valid(struct drm_connector *connector, 559 struct drm_display_mode *mode) 560 { 561 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 562 563 if ((mode->hdisplay < 320) || (mode->vdisplay < 240)) 564 return MODE_PANEL; 565 566 if (encoder) { 567 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 568 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 569 570 /* AVIVO hardware supports downscaling modes larger than the panel 571 * to the panel size, but I'm not sure this is desirable. 572 */ 573 if ((mode->hdisplay > native_mode->hdisplay) || 574 (mode->vdisplay > native_mode->vdisplay)) 575 return MODE_PANEL; 576 577 /* if scaling is disabled, block non-native modes */ 578 if (radeon_encoder->rmx_type == RMX_OFF) { 579 if ((mode->hdisplay != native_mode->hdisplay) || 580 (mode->vdisplay != native_mode->vdisplay)) 581 return MODE_PANEL; 582 } 583 } 584 585 return MODE_OK; 586 } 587 588 static enum drm_connector_status 589 radeon_lvds_detect(struct drm_connector *connector, bool force) 590 { 591 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 592 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 593 enum drm_connector_status ret = connector_status_disconnected; 594 595 if (encoder) { 596 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 597 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 598 599 /* check if panel is valid */ 600 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240) 601 ret = connector_status_connected; 602 603 } 604 605 /* check for edid as well */ 606 if (radeon_connector->edid) 607 ret = connector_status_connected; 608 else { 609 if (radeon_connector->ddc_bus) { 610 radeon_connector->edid = drm_get_edid(&radeon_connector->base, 611 &radeon_connector->ddc_bus->adapter); 612 if (radeon_connector->edid) 613 ret = connector_status_connected; 614 } 615 } 616 /* check acpi lid status ??? */ 617 618 radeon_connector_update_scratch_regs(connector, ret); 619 return ret; 620 } 621 622 static void radeon_connector_destroy(struct drm_connector *connector) 623 { 624 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 625 626 if (radeon_connector->edid) 627 kfree(radeon_connector->edid); 628 kfree(radeon_connector->con_priv); 629 drm_sysfs_connector_remove(connector); 630 drm_connector_cleanup(connector); 631 kfree(connector); 632 } 633 634 static int radeon_lvds_set_property(struct drm_connector *connector, 635 struct drm_property *property, 636 uint64_t value) 637 { 638 struct drm_device *dev = connector->dev; 639 struct radeon_encoder *radeon_encoder; 640 enum radeon_rmx_type rmx_type; 641 642 DRM_DEBUG_KMS("\n"); 643 if (property != dev->mode_config.scaling_mode_property) 644 return 0; 645 646 if (connector->encoder) 647 radeon_encoder = to_radeon_encoder(connector->encoder); 648 else { 649 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 650 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); 651 } 652 653 switch (value) { 654 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break; 655 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break; 656 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break; 657 default: 658 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break; 659 } 660 if (radeon_encoder->rmx_type == rmx_type) 661 return 0; 662 663 radeon_encoder->rmx_type = rmx_type; 664 665 radeon_property_change_mode(&radeon_encoder->base); 666 return 0; 667 } 668 669 670 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = { 671 .get_modes = radeon_lvds_get_modes, 672 .mode_valid = radeon_lvds_mode_valid, 673 .best_encoder = radeon_best_single_encoder, 674 }; 675 676 struct drm_connector_funcs radeon_lvds_connector_funcs = { 677 .dpms = drm_helper_connector_dpms, 678 .detect = radeon_lvds_detect, 679 .fill_modes = drm_helper_probe_single_connector_modes, 680 .destroy = radeon_connector_destroy, 681 .set_property = radeon_lvds_set_property, 682 }; 683 684 static int radeon_vga_get_modes(struct drm_connector *connector) 685 { 686 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 687 int ret; 688 689 ret = radeon_ddc_get_modes(radeon_connector); 690 691 return ret; 692 } 693 694 static int radeon_vga_mode_valid(struct drm_connector *connector, 695 struct drm_display_mode *mode) 696 { 697 struct drm_device *dev = connector->dev; 698 struct radeon_device *rdev = dev->dev_private; 699 700 /* XXX check mode bandwidth */ 701 702 if ((mode->clock / 10) > rdev->clock.max_pixel_clock) 703 return MODE_CLOCK_HIGH; 704 705 return MODE_OK; 706 } 707 708 static enum drm_connector_status 709 radeon_vga_detect(struct drm_connector *connector, bool force) 710 { 711 struct drm_device *dev = connector->dev; 712 struct radeon_device *rdev = dev->dev_private; 713 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 714 struct drm_encoder *encoder; 715 struct drm_encoder_helper_funcs *encoder_funcs; 716 bool dret = false; 717 enum drm_connector_status ret = connector_status_disconnected; 718 719 encoder = radeon_best_single_encoder(connector); 720 if (!encoder) 721 ret = connector_status_disconnected; 722 723 if (radeon_connector->ddc_bus) 724 dret = radeon_ddc_probe(radeon_connector, 725 radeon_connector->requires_extended_probe); 726 if (dret) { 727 if (radeon_connector->edid) { 728 kfree(radeon_connector->edid); 729 radeon_connector->edid = NULL; 730 } 731 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter); 732 733 if (!radeon_connector->edid) { 734 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n", 735 drm_get_connector_name(connector)); 736 ret = connector_status_connected; 737 } else { 738 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL); 739 740 /* some oems have boards with separate digital and analog connectors 741 * with a shared ddc line (often vga + hdmi) 742 */ 743 if (radeon_connector->use_digital && radeon_connector->shared_ddc) { 744 kfree(radeon_connector->edid); 745 radeon_connector->edid = NULL; 746 ret = connector_status_disconnected; 747 } else 748 ret = connector_status_connected; 749 } 750 } else { 751 752 /* if we aren't forcing don't do destructive polling */ 753 if (!force) 754 return connector->status; 755 756 if (radeon_connector->dac_load_detect && encoder) { 757 encoder_funcs = encoder->helper_private; 758 ret = encoder_funcs->detect(encoder, connector); 759 } 760 } 761 762 if (ret == connector_status_connected) 763 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true); 764 765 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the 766 * vbios to deal with KVMs. If we have one and are not able to detect a monitor 767 * by other means, assume the CRT is connected and use that EDID. 768 */ 769 if ((!rdev->is_atom_bios) && 770 (ret == connector_status_disconnected) && 771 rdev->mode_info.bios_hardcoded_edid_size) { 772 ret = connector_status_connected; 773 } 774 775 radeon_connector_update_scratch_regs(connector, ret); 776 return ret; 777 } 778 779 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = { 780 .get_modes = radeon_vga_get_modes, 781 .mode_valid = radeon_vga_mode_valid, 782 .best_encoder = radeon_best_single_encoder, 783 }; 784 785 struct drm_connector_funcs radeon_vga_connector_funcs = { 786 .dpms = drm_helper_connector_dpms, 787 .detect = radeon_vga_detect, 788 .fill_modes = drm_helper_probe_single_connector_modes, 789 .destroy = radeon_connector_destroy, 790 .set_property = radeon_connector_set_property, 791 }; 792 793 static int radeon_tv_get_modes(struct drm_connector *connector) 794 { 795 struct drm_device *dev = connector->dev; 796 struct radeon_device *rdev = dev->dev_private; 797 struct drm_display_mode *tv_mode; 798 struct drm_encoder *encoder; 799 800 encoder = radeon_best_single_encoder(connector); 801 if (!encoder) 802 return 0; 803 804 /* avivo chips can scale any mode */ 805 if (rdev->family >= CHIP_RS600) 806 /* add scaled modes */ 807 radeon_add_common_modes(encoder, connector); 808 else { 809 /* only 800x600 is supported right now on pre-avivo chips */ 810 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false); 811 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; 812 drm_mode_probed_add(connector, tv_mode); 813 } 814 return 1; 815 } 816 817 static int radeon_tv_mode_valid(struct drm_connector *connector, 818 struct drm_display_mode *mode) 819 { 820 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768)) 821 return MODE_CLOCK_RANGE; 822 return MODE_OK; 823 } 824 825 static enum drm_connector_status 826 radeon_tv_detect(struct drm_connector *connector, bool force) 827 { 828 struct drm_encoder *encoder; 829 struct drm_encoder_helper_funcs *encoder_funcs; 830 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 831 enum drm_connector_status ret = connector_status_disconnected; 832 833 if (!radeon_connector->dac_load_detect) 834 return ret; 835 836 encoder = radeon_best_single_encoder(connector); 837 if (!encoder) 838 ret = connector_status_disconnected; 839 else { 840 encoder_funcs = encoder->helper_private; 841 ret = encoder_funcs->detect(encoder, connector); 842 } 843 if (ret == connector_status_connected) 844 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false); 845 radeon_connector_update_scratch_regs(connector, ret); 846 return ret; 847 } 848 849 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = { 850 .get_modes = radeon_tv_get_modes, 851 .mode_valid = radeon_tv_mode_valid, 852 .best_encoder = radeon_best_single_encoder, 853 }; 854 855 struct drm_connector_funcs radeon_tv_connector_funcs = { 856 .dpms = drm_helper_connector_dpms, 857 .detect = radeon_tv_detect, 858 .fill_modes = drm_helper_probe_single_connector_modes, 859 .destroy = radeon_connector_destroy, 860 .set_property = radeon_connector_set_property, 861 }; 862 863 static int radeon_dvi_get_modes(struct drm_connector *connector) 864 { 865 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 866 int ret; 867 868 ret = radeon_ddc_get_modes(radeon_connector); 869 return ret; 870 } 871 872 /* 873 * DVI is complicated 874 * Do a DDC probe, if DDC probe passes, get the full EDID so 875 * we can do analog/digital monitor detection at this point. 876 * If the monitor is an analog monitor or we got no DDC, 877 * we need to find the DAC encoder object for this connector. 878 * If we got no DDC, we do load detection on the DAC encoder object. 879 * If we got analog DDC or load detection passes on the DAC encoder 880 * we have to check if this analog encoder is shared with anyone else (TV) 881 * if its shared we have to set the other connector to disconnected. 882 */ 883 static enum drm_connector_status 884 radeon_dvi_detect(struct drm_connector *connector, bool force) 885 { 886 struct drm_device *dev = connector->dev; 887 struct radeon_device *rdev = dev->dev_private; 888 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 889 struct drm_encoder *encoder = NULL; 890 struct drm_encoder_helper_funcs *encoder_funcs; 891 struct drm_mode_object *obj; 892 int i; 893 enum drm_connector_status ret = connector_status_disconnected; 894 bool dret = false; 895 896 if (radeon_connector->ddc_bus) 897 dret = radeon_ddc_probe(radeon_connector, 898 radeon_connector->requires_extended_probe); 899 if (dret) { 900 if (radeon_connector->edid) { 901 kfree(radeon_connector->edid); 902 radeon_connector->edid = NULL; 903 } 904 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter); 905 906 if (!radeon_connector->edid) { 907 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n", 908 drm_get_connector_name(connector)); 909 /* rs690 seems to have a problem with connectors not existing and always 910 * return a block of 0's. If we see this just stop polling on this output */ 911 if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && radeon_connector->base.null_edid_counter) { 912 ret = connector_status_disconnected; 913 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector)); 914 radeon_connector->ddc_bus = NULL; 915 } 916 } else { 917 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL); 918 919 /* some oems have boards with separate digital and analog connectors 920 * with a shared ddc line (often vga + hdmi) 921 */ 922 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) { 923 kfree(radeon_connector->edid); 924 radeon_connector->edid = NULL; 925 ret = connector_status_disconnected; 926 } else 927 ret = connector_status_connected; 928 929 /* This gets complicated. We have boards with VGA + HDMI with a 930 * shared DDC line and we have boards with DVI-D + HDMI with a shared 931 * DDC line. The latter is more complex because with DVI<->HDMI adapters 932 * you don't really know what's connected to which port as both are digital. 933 */ 934 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) { 935 struct drm_connector *list_connector; 936 struct radeon_connector *list_radeon_connector; 937 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) { 938 if (connector == list_connector) 939 continue; 940 list_radeon_connector = to_radeon_connector(list_connector); 941 if (list_radeon_connector->shared_ddc && 942 (list_radeon_connector->ddc_bus->rec.i2c_id == 943 radeon_connector->ddc_bus->rec.i2c_id)) { 944 /* cases where both connectors are digital */ 945 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) { 946 /* hpd is our only option in this case */ 947 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { 948 kfree(radeon_connector->edid); 949 radeon_connector->edid = NULL; 950 ret = connector_status_disconnected; 951 } 952 } 953 } 954 } 955 } 956 } 957 } 958 959 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true)) 960 goto out; 961 962 if (!force) { 963 ret = connector->status; 964 goto out; 965 } 966 967 /* find analog encoder */ 968 if (radeon_connector->dac_load_detect) { 969 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 970 if (connector->encoder_ids[i] == 0) 971 break; 972 973 obj = drm_mode_object_find(connector->dev, 974 connector->encoder_ids[i], 975 DRM_MODE_OBJECT_ENCODER); 976 if (!obj) 977 continue; 978 979 encoder = obj_to_encoder(obj); 980 981 encoder_funcs = encoder->helper_private; 982 if (encoder_funcs->detect) { 983 if (ret != connector_status_connected) { 984 ret = encoder_funcs->detect(encoder, connector); 985 if (ret == connector_status_connected) { 986 radeon_connector->use_digital = false; 987 } 988 } 989 break; 990 } 991 } 992 } 993 994 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) && 995 encoder) { 996 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true); 997 } 998 999 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the 1000 * vbios to deal with KVMs. If we have one and are not able to detect a monitor 1001 * by other means, assume the DFP is connected and use that EDID. In most 1002 * cases the DVI port is actually a virtual KVM port connected to the service 1003 * processor. 1004 */ 1005 if ((!rdev->is_atom_bios) && 1006 (ret == connector_status_disconnected) && 1007 rdev->mode_info.bios_hardcoded_edid_size) { 1008 radeon_connector->use_digital = true; 1009 ret = connector_status_connected; 1010 } 1011 1012 out: 1013 /* updated in get modes as well since we need to know if it's analog or digital */ 1014 radeon_connector_update_scratch_regs(connector, ret); 1015 return ret; 1016 } 1017 1018 /* okay need to be smart in here about which encoder to pick */ 1019 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector) 1020 { 1021 int enc_id = connector->encoder_ids[0]; 1022 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1023 struct drm_mode_object *obj; 1024 struct drm_encoder *encoder; 1025 int i; 1026 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1027 if (connector->encoder_ids[i] == 0) 1028 break; 1029 1030 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER); 1031 if (!obj) 1032 continue; 1033 1034 encoder = obj_to_encoder(obj); 1035 1036 if (radeon_connector->use_digital == true) { 1037 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS) 1038 return encoder; 1039 } else { 1040 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC || 1041 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC) 1042 return encoder; 1043 } 1044 } 1045 1046 /* see if we have a default encoder TODO */ 1047 1048 /* then check use digitial */ 1049 /* pick the first one */ 1050 if (enc_id) { 1051 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER); 1052 if (!obj) 1053 return NULL; 1054 encoder = obj_to_encoder(obj); 1055 return encoder; 1056 } 1057 return NULL; 1058 } 1059 1060 static void radeon_dvi_force(struct drm_connector *connector) 1061 { 1062 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1063 if (connector->force == DRM_FORCE_ON) 1064 radeon_connector->use_digital = false; 1065 if (connector->force == DRM_FORCE_ON_DIGITAL) 1066 radeon_connector->use_digital = true; 1067 } 1068 1069 static int radeon_dvi_mode_valid(struct drm_connector *connector, 1070 struct drm_display_mode *mode) 1071 { 1072 struct drm_device *dev = connector->dev; 1073 struct radeon_device *rdev = dev->dev_private; 1074 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1075 1076 /* XXX check mode bandwidth */ 1077 1078 /* clocks over 135 MHz have heat issues with DVI on RV100 */ 1079 if (radeon_connector->use_digital && 1080 (rdev->family == CHIP_RV100) && 1081 (mode->clock > 135000)) 1082 return MODE_CLOCK_HIGH; 1083 1084 if (radeon_connector->use_digital && (mode->clock > 165000)) { 1085 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) || 1086 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) || 1087 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B)) 1088 return MODE_OK; 1089 else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) { 1090 if (ASIC_IS_DCE3(rdev)) { 1091 /* HDMI 1.3+ supports max clock of 340 Mhz */ 1092 if (mode->clock > 340000) 1093 return MODE_CLOCK_HIGH; 1094 else 1095 return MODE_OK; 1096 } else 1097 return MODE_CLOCK_HIGH; 1098 } else 1099 return MODE_CLOCK_HIGH; 1100 } 1101 1102 /* check against the max pixel clock */ 1103 if ((mode->clock / 10) > rdev->clock.max_pixel_clock) 1104 return MODE_CLOCK_HIGH; 1105 1106 return MODE_OK; 1107 } 1108 1109 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = { 1110 .get_modes = radeon_dvi_get_modes, 1111 .mode_valid = radeon_dvi_mode_valid, 1112 .best_encoder = radeon_dvi_encoder, 1113 }; 1114 1115 struct drm_connector_funcs radeon_dvi_connector_funcs = { 1116 .dpms = drm_helper_connector_dpms, 1117 .detect = radeon_dvi_detect, 1118 .fill_modes = drm_helper_probe_single_connector_modes, 1119 .set_property = radeon_connector_set_property, 1120 .destroy = radeon_connector_destroy, 1121 .force = radeon_dvi_force, 1122 }; 1123 1124 static void radeon_dp_connector_destroy(struct drm_connector *connector) 1125 { 1126 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1127 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1128 1129 if (radeon_connector->edid) 1130 kfree(radeon_connector->edid); 1131 if (radeon_dig_connector->dp_i2c_bus) 1132 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus); 1133 kfree(radeon_connector->con_priv); 1134 drm_sysfs_connector_remove(connector); 1135 drm_connector_cleanup(connector); 1136 kfree(connector); 1137 } 1138 1139 static int radeon_dp_get_modes(struct drm_connector *connector) 1140 { 1141 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1142 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1143 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1144 int ret; 1145 1146 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1147 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1148 struct drm_display_mode *mode; 1149 1150 if (!radeon_dig_connector->edp_on) 1151 atombios_set_edp_panel_power(connector, 1152 ATOM_TRANSMITTER_ACTION_POWER_ON); 1153 ret = radeon_ddc_get_modes(radeon_connector); 1154 if (!radeon_dig_connector->edp_on) 1155 atombios_set_edp_panel_power(connector, 1156 ATOM_TRANSMITTER_ACTION_POWER_OFF); 1157 1158 if (ret > 0) { 1159 if (encoder) { 1160 radeon_fixup_lvds_native_mode(encoder, connector); 1161 /* add scaled modes */ 1162 radeon_add_common_modes(encoder, connector); 1163 } 1164 return ret; 1165 } 1166 1167 encoder = radeon_best_single_encoder(connector); 1168 if (!encoder) 1169 return 0; 1170 1171 /* we have no EDID modes */ 1172 mode = radeon_fp_native_mode(encoder); 1173 if (mode) { 1174 ret = 1; 1175 drm_mode_probed_add(connector, mode); 1176 /* add the width/height from vbios tables if available */ 1177 connector->display_info.width_mm = mode->width_mm; 1178 connector->display_info.height_mm = mode->height_mm; 1179 /* add scaled modes */ 1180 radeon_add_common_modes(encoder, connector); 1181 } 1182 } else { 1183 /* need to setup ddc on the bridge */ 1184 if (radeon_connector_encoder_is_dp_bridge(connector)) { 1185 if (encoder) 1186 radeon_atom_ext_encoder_setup_ddc(encoder); 1187 } 1188 ret = radeon_ddc_get_modes(radeon_connector); 1189 } 1190 1191 return ret; 1192 } 1193 1194 bool radeon_connector_encoder_is_dp_bridge(struct drm_connector *connector) 1195 { 1196 struct drm_mode_object *obj; 1197 struct drm_encoder *encoder; 1198 struct radeon_encoder *radeon_encoder; 1199 int i; 1200 bool found = false; 1201 1202 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1203 if (connector->encoder_ids[i] == 0) 1204 break; 1205 1206 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER); 1207 if (!obj) 1208 continue; 1209 1210 encoder = obj_to_encoder(obj); 1211 radeon_encoder = to_radeon_encoder(encoder); 1212 1213 switch (radeon_encoder->encoder_id) { 1214 case ENCODER_OBJECT_ID_TRAVIS: 1215 case ENCODER_OBJECT_ID_NUTMEG: 1216 found = true; 1217 break; 1218 default: 1219 break; 1220 } 1221 } 1222 1223 return found; 1224 } 1225 1226 bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector) 1227 { 1228 struct drm_mode_object *obj; 1229 struct drm_encoder *encoder; 1230 struct radeon_encoder *radeon_encoder; 1231 int i; 1232 bool found = false; 1233 1234 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1235 if (connector->encoder_ids[i] == 0) 1236 break; 1237 1238 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER); 1239 if (!obj) 1240 continue; 1241 1242 encoder = obj_to_encoder(obj); 1243 radeon_encoder = to_radeon_encoder(encoder); 1244 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2) 1245 found = true; 1246 } 1247 1248 return found; 1249 } 1250 1251 bool radeon_connector_is_dp12_capable(struct drm_connector *connector) 1252 { 1253 struct drm_device *dev = connector->dev; 1254 struct radeon_device *rdev = dev->dev_private; 1255 1256 if (ASIC_IS_DCE5(rdev) && 1257 (rdev->clock.dp_extclk >= 53900) && 1258 radeon_connector_encoder_is_hbr2(connector)) { 1259 return true; 1260 } 1261 1262 return false; 1263 } 1264 1265 static enum drm_connector_status 1266 radeon_dp_detect(struct drm_connector *connector, bool force) 1267 { 1268 struct drm_device *dev = connector->dev; 1269 struct radeon_device *rdev = dev->dev_private; 1270 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1271 enum drm_connector_status ret = connector_status_disconnected; 1272 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1273 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1274 1275 if (radeon_connector->edid) { 1276 kfree(radeon_connector->edid); 1277 radeon_connector->edid = NULL; 1278 } 1279 1280 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1281 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1282 if (encoder) { 1283 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 1284 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 1285 1286 /* check if panel is valid */ 1287 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240) 1288 ret = connector_status_connected; 1289 } 1290 /* eDP is always DP */ 1291 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; 1292 if (!radeon_dig_connector->edp_on) 1293 atombios_set_edp_panel_power(connector, 1294 ATOM_TRANSMITTER_ACTION_POWER_ON); 1295 if (radeon_dp_getdpcd(radeon_connector)) 1296 ret = connector_status_connected; 1297 if (!radeon_dig_connector->edp_on) 1298 atombios_set_edp_panel_power(connector, 1299 ATOM_TRANSMITTER_ACTION_POWER_OFF); 1300 } else if (radeon_connector_encoder_is_dp_bridge(connector)) { 1301 /* DP bridges are always DP */ 1302 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; 1303 /* get the DPCD from the bridge */ 1304 radeon_dp_getdpcd(radeon_connector); 1305 1306 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) 1307 ret = connector_status_connected; 1308 else { 1309 /* need to setup ddc on the bridge */ 1310 if (encoder) 1311 radeon_atom_ext_encoder_setup_ddc(encoder); 1312 if (radeon_ddc_probe(radeon_connector, 1313 radeon_connector->requires_extended_probe)) 1314 ret = connector_status_connected; 1315 } 1316 1317 if ((ret == connector_status_disconnected) && 1318 radeon_connector->dac_load_detect) { 1319 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1320 struct drm_encoder_helper_funcs *encoder_funcs; 1321 if (encoder) { 1322 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 radeon_connector->requires_extended_probe)) 1339 ret = connector_status_connected; 1340 } 1341 } 1342 } 1343 1344 radeon_connector_update_scratch_regs(connector, ret); 1345 return ret; 1346 } 1347 1348 static int radeon_dp_mode_valid(struct drm_connector *connector, 1349 struct drm_display_mode *mode) 1350 { 1351 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1352 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1353 1354 /* XXX check mode bandwidth */ 1355 1356 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1357 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1358 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1359 1360 if ((mode->hdisplay < 320) || (mode->vdisplay < 240)) 1361 return MODE_PANEL; 1362 1363 if (encoder) { 1364 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 1365 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 1366 1367 /* AVIVO hardware supports downscaling modes larger than the panel 1368 * to the panel size, but I'm not sure this is desirable. 1369 */ 1370 if ((mode->hdisplay > native_mode->hdisplay) || 1371 (mode->vdisplay > native_mode->vdisplay)) 1372 return MODE_PANEL; 1373 1374 /* if scaling is disabled, block non-native modes */ 1375 if (radeon_encoder->rmx_type == RMX_OFF) { 1376 if ((mode->hdisplay != native_mode->hdisplay) || 1377 (mode->vdisplay != native_mode->vdisplay)) 1378 return MODE_PANEL; 1379 } 1380 } 1381 return MODE_OK; 1382 } else { 1383 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 1384 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) 1385 return radeon_dp_mode_valid_helper(connector, mode); 1386 else 1387 return MODE_OK; 1388 } 1389 } 1390 1391 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = { 1392 .get_modes = radeon_dp_get_modes, 1393 .mode_valid = radeon_dp_mode_valid, 1394 .best_encoder = radeon_dvi_encoder, 1395 }; 1396 1397 struct drm_connector_funcs radeon_dp_connector_funcs = { 1398 .dpms = drm_helper_connector_dpms, 1399 .detect = radeon_dp_detect, 1400 .fill_modes = drm_helper_probe_single_connector_modes, 1401 .set_property = radeon_connector_set_property, 1402 .destroy = radeon_dp_connector_destroy, 1403 .force = radeon_dvi_force, 1404 }; 1405 1406 void 1407 radeon_add_atom_connector(struct drm_device *dev, 1408 uint32_t connector_id, 1409 uint32_t supported_device, 1410 int connector_type, 1411 struct radeon_i2c_bus_rec *i2c_bus, 1412 uint32_t igp_lane_info, 1413 uint16_t connector_object_id, 1414 struct radeon_hpd *hpd, 1415 struct radeon_router *router) 1416 { 1417 struct radeon_device *rdev = dev->dev_private; 1418 struct drm_connector *connector; 1419 struct radeon_connector *radeon_connector; 1420 struct radeon_connector_atom_dig *radeon_dig_connector; 1421 struct drm_encoder *encoder; 1422 struct radeon_encoder *radeon_encoder; 1423 uint32_t subpixel_order = SubPixelNone; 1424 bool shared_ddc = false; 1425 bool is_dp_bridge = false; 1426 1427 if (connector_type == DRM_MODE_CONNECTOR_Unknown) 1428 return; 1429 1430 /* if the user selected tv=0 don't try and add the connector */ 1431 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) || 1432 (connector_type == DRM_MODE_CONNECTOR_Composite) || 1433 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) && 1434 (radeon_tv == 0)) 1435 return; 1436 1437 /* see if we already added it */ 1438 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 1439 radeon_connector = to_radeon_connector(connector); 1440 if (radeon_connector->connector_id == connector_id) { 1441 radeon_connector->devices |= supported_device; 1442 return; 1443 } 1444 if (radeon_connector->ddc_bus && i2c_bus->valid) { 1445 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) { 1446 radeon_connector->shared_ddc = true; 1447 shared_ddc = true; 1448 } 1449 if (radeon_connector->router_bus && router->ddc_valid && 1450 (radeon_connector->router.router_id == router->router_id)) { 1451 radeon_connector->shared_ddc = false; 1452 shared_ddc = false; 1453 } 1454 } 1455 } 1456 1457 /* check if it's a dp bridge */ 1458 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 1459 radeon_encoder = to_radeon_encoder(encoder); 1460 if (radeon_encoder->devices & supported_device) { 1461 switch (radeon_encoder->encoder_id) { 1462 case ENCODER_OBJECT_ID_TRAVIS: 1463 case ENCODER_OBJECT_ID_NUTMEG: 1464 is_dp_bridge = true; 1465 break; 1466 default: 1467 break; 1468 } 1469 } 1470 } 1471 1472 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL); 1473 if (!radeon_connector) 1474 return; 1475 1476 connector = &radeon_connector->base; 1477 1478 radeon_connector->connector_id = connector_id; 1479 radeon_connector->devices = supported_device; 1480 radeon_connector->shared_ddc = shared_ddc; 1481 radeon_connector->connector_object_id = connector_object_id; 1482 radeon_connector->hpd = *hpd; 1483 radeon_connector->requires_extended_probe = 1484 radeon_connector_needs_extended_probe(rdev, supported_device, 1485 connector_type); 1486 radeon_connector->router = *router; 1487 if (router->ddc_valid || router->cd_valid) { 1488 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info); 1489 if (!radeon_connector->router_bus) 1490 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n"); 1491 } 1492 1493 if (is_dp_bridge) { 1494 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1495 if (!radeon_dig_connector) 1496 goto failed; 1497 radeon_dig_connector->igp_lane_info = igp_lane_info; 1498 radeon_connector->con_priv = radeon_dig_connector; 1499 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type); 1500 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); 1501 if (i2c_bus->valid) { 1502 /* add DP i2c bus */ 1503 if (connector_type == DRM_MODE_CONNECTOR_eDP) 1504 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch"); 1505 else 1506 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch"); 1507 if (!radeon_dig_connector->dp_i2c_bus) 1508 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n"); 1509 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1510 if (!radeon_connector->ddc_bus) 1511 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1512 } 1513 switch (connector_type) { 1514 case DRM_MODE_CONNECTOR_VGA: 1515 case DRM_MODE_CONNECTOR_DVIA: 1516 default: 1517 connector->interlace_allowed = true; 1518 connector->doublescan_allowed = true; 1519 radeon_connector->dac_load_detect = true; 1520 drm_connector_attach_property(&radeon_connector->base, 1521 rdev->mode_info.load_detect_property, 1522 1); 1523 break; 1524 case DRM_MODE_CONNECTOR_DVII: 1525 case DRM_MODE_CONNECTOR_DVID: 1526 case DRM_MODE_CONNECTOR_HDMIA: 1527 case DRM_MODE_CONNECTOR_HDMIB: 1528 case DRM_MODE_CONNECTOR_DisplayPort: 1529 drm_connector_attach_property(&radeon_connector->base, 1530 rdev->mode_info.underscan_property, 1531 UNDERSCAN_OFF); 1532 drm_connector_attach_property(&radeon_connector->base, 1533 rdev->mode_info.underscan_hborder_property, 1534 0); 1535 drm_connector_attach_property(&radeon_connector->base, 1536 rdev->mode_info.underscan_vborder_property, 1537 0); 1538 subpixel_order = SubPixelHorizontalRGB; 1539 connector->interlace_allowed = true; 1540 if (connector_type == DRM_MODE_CONNECTOR_HDMIB) 1541 connector->doublescan_allowed = true; 1542 else 1543 connector->doublescan_allowed = false; 1544 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 1545 radeon_connector->dac_load_detect = true; 1546 drm_connector_attach_property(&radeon_connector->base, 1547 rdev->mode_info.load_detect_property, 1548 1); 1549 } 1550 break; 1551 case DRM_MODE_CONNECTOR_LVDS: 1552 case DRM_MODE_CONNECTOR_eDP: 1553 drm_connector_attach_property(&radeon_connector->base, 1554 dev->mode_config.scaling_mode_property, 1555 DRM_MODE_SCALE_FULLSCREEN); 1556 subpixel_order = SubPixelHorizontalRGB; 1557 connector->interlace_allowed = false; 1558 connector->doublescan_allowed = false; 1559 break; 1560 } 1561 } else { 1562 switch (connector_type) { 1563 case DRM_MODE_CONNECTOR_VGA: 1564 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 1565 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 1566 if (i2c_bus->valid) { 1567 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1568 if (!radeon_connector->ddc_bus) 1569 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1570 } 1571 radeon_connector->dac_load_detect = true; 1572 drm_connector_attach_property(&radeon_connector->base, 1573 rdev->mode_info.load_detect_property, 1574 1); 1575 /* no HPD on analog connectors */ 1576 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 1577 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1578 connector->interlace_allowed = true; 1579 connector->doublescan_allowed = true; 1580 break; 1581 case DRM_MODE_CONNECTOR_DVIA: 1582 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 1583 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 1584 if (i2c_bus->valid) { 1585 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1586 if (!radeon_connector->ddc_bus) 1587 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1588 } 1589 radeon_connector->dac_load_detect = true; 1590 drm_connector_attach_property(&radeon_connector->base, 1591 rdev->mode_info.load_detect_property, 1592 1); 1593 /* no HPD on analog connectors */ 1594 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 1595 connector->interlace_allowed = true; 1596 connector->doublescan_allowed = true; 1597 break; 1598 case DRM_MODE_CONNECTOR_DVII: 1599 case DRM_MODE_CONNECTOR_DVID: 1600 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1601 if (!radeon_dig_connector) 1602 goto failed; 1603 radeon_dig_connector->igp_lane_info = igp_lane_info; 1604 radeon_connector->con_priv = radeon_dig_connector; 1605 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); 1606 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 1607 if (i2c_bus->valid) { 1608 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1609 if (!radeon_connector->ddc_bus) 1610 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1611 } 1612 subpixel_order = SubPixelHorizontalRGB; 1613 drm_connector_attach_property(&radeon_connector->base, 1614 rdev->mode_info.coherent_mode_property, 1615 1); 1616 if (ASIC_IS_AVIVO(rdev)) { 1617 drm_connector_attach_property(&radeon_connector->base, 1618 rdev->mode_info.underscan_property, 1619 UNDERSCAN_OFF); 1620 drm_connector_attach_property(&radeon_connector->base, 1621 rdev->mode_info.underscan_hborder_property, 1622 0); 1623 drm_connector_attach_property(&radeon_connector->base, 1624 rdev->mode_info.underscan_vborder_property, 1625 0); 1626 } 1627 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 1628 radeon_connector->dac_load_detect = true; 1629 drm_connector_attach_property(&radeon_connector->base, 1630 rdev->mode_info.load_detect_property, 1631 1); 1632 } 1633 connector->interlace_allowed = true; 1634 if (connector_type == DRM_MODE_CONNECTOR_DVII) 1635 connector->doublescan_allowed = true; 1636 else 1637 connector->doublescan_allowed = false; 1638 break; 1639 case DRM_MODE_CONNECTOR_HDMIA: 1640 case DRM_MODE_CONNECTOR_HDMIB: 1641 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1642 if (!radeon_dig_connector) 1643 goto failed; 1644 radeon_dig_connector->igp_lane_info = igp_lane_info; 1645 radeon_connector->con_priv = radeon_dig_connector; 1646 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); 1647 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 1648 if (i2c_bus->valid) { 1649 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1650 if (!radeon_connector->ddc_bus) 1651 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1652 } 1653 drm_connector_attach_property(&radeon_connector->base, 1654 rdev->mode_info.coherent_mode_property, 1655 1); 1656 if (ASIC_IS_AVIVO(rdev)) { 1657 drm_connector_attach_property(&radeon_connector->base, 1658 rdev->mode_info.underscan_property, 1659 UNDERSCAN_OFF); 1660 drm_connector_attach_property(&radeon_connector->base, 1661 rdev->mode_info.underscan_hborder_property, 1662 0); 1663 drm_connector_attach_property(&radeon_connector->base, 1664 rdev->mode_info.underscan_vborder_property, 1665 0); 1666 } 1667 subpixel_order = SubPixelHorizontalRGB; 1668 connector->interlace_allowed = true; 1669 if (connector_type == DRM_MODE_CONNECTOR_HDMIB) 1670 connector->doublescan_allowed = true; 1671 else 1672 connector->doublescan_allowed = false; 1673 break; 1674 case DRM_MODE_CONNECTOR_DisplayPort: 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_dp_connector_funcs, connector_type); 1681 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); 1682 if (i2c_bus->valid) { 1683 /* add DP i2c bus */ 1684 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch"); 1685 if (!radeon_dig_connector->dp_i2c_bus) 1686 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n"); 1687 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1688 if (!radeon_connector->ddc_bus) 1689 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1690 } 1691 subpixel_order = SubPixelHorizontalRGB; 1692 drm_connector_attach_property(&radeon_connector->base, 1693 rdev->mode_info.coherent_mode_property, 1694 1); 1695 if (ASIC_IS_AVIVO(rdev)) { 1696 drm_connector_attach_property(&radeon_connector->base, 1697 rdev->mode_info.underscan_property, 1698 UNDERSCAN_OFF); 1699 drm_connector_attach_property(&radeon_connector->base, 1700 rdev->mode_info.underscan_hborder_property, 1701 0); 1702 drm_connector_attach_property(&radeon_connector->base, 1703 rdev->mode_info.underscan_vborder_property, 1704 0); 1705 } 1706 connector->interlace_allowed = true; 1707 /* in theory with a DP to VGA converter... */ 1708 connector->doublescan_allowed = false; 1709 break; 1710 case DRM_MODE_CONNECTOR_eDP: 1711 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1712 if (!radeon_dig_connector) 1713 goto failed; 1714 radeon_dig_connector->igp_lane_info = igp_lane_info; 1715 radeon_connector->con_priv = radeon_dig_connector; 1716 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type); 1717 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); 1718 if (i2c_bus->valid) { 1719 /* add DP i2c bus */ 1720 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch"); 1721 if (!radeon_dig_connector->dp_i2c_bus) 1722 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n"); 1723 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1724 if (!radeon_connector->ddc_bus) 1725 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1726 } 1727 drm_connector_attach_property(&radeon_connector->base, 1728 dev->mode_config.scaling_mode_property, 1729 DRM_MODE_SCALE_FULLSCREEN); 1730 subpixel_order = SubPixelHorizontalRGB; 1731 connector->interlace_allowed = false; 1732 connector->doublescan_allowed = false; 1733 break; 1734 case DRM_MODE_CONNECTOR_SVIDEO: 1735 case DRM_MODE_CONNECTOR_Composite: 1736 case DRM_MODE_CONNECTOR_9PinDIN: 1737 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type); 1738 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs); 1739 radeon_connector->dac_load_detect = true; 1740 drm_connector_attach_property(&radeon_connector->base, 1741 rdev->mode_info.load_detect_property, 1742 1); 1743 drm_connector_attach_property(&radeon_connector->base, 1744 rdev->mode_info.tv_std_property, 1745 radeon_atombios_get_tv_info(rdev)); 1746 /* no HPD on analog connectors */ 1747 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 1748 connector->interlace_allowed = false; 1749 connector->doublescan_allowed = false; 1750 break; 1751 case DRM_MODE_CONNECTOR_LVDS: 1752 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1753 if (!radeon_dig_connector) 1754 goto failed; 1755 radeon_dig_connector->igp_lane_info = igp_lane_info; 1756 radeon_connector->con_priv = radeon_dig_connector; 1757 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type); 1758 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_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("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1763 } 1764 drm_connector_attach_property(&radeon_connector->base, 1765 dev->mode_config.scaling_mode_property, 1766 DRM_MODE_SCALE_FULLSCREEN); 1767 subpixel_order = SubPixelHorizontalRGB; 1768 connector->interlace_allowed = false; 1769 connector->doublescan_allowed = false; 1770 break; 1771 } 1772 } 1773 1774 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) { 1775 if (i2c_bus->valid) 1776 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1777 } else 1778 connector->polled = DRM_CONNECTOR_POLL_HPD; 1779 1780 connector->display_info.subpixel_order = subpixel_order; 1781 drm_sysfs_connector_add(connector); 1782 return; 1783 1784 failed: 1785 drm_connector_cleanup(connector); 1786 kfree(connector); 1787 } 1788 1789 void 1790 radeon_add_legacy_connector(struct drm_device *dev, 1791 uint32_t connector_id, 1792 uint32_t supported_device, 1793 int connector_type, 1794 struct radeon_i2c_bus_rec *i2c_bus, 1795 uint16_t connector_object_id, 1796 struct radeon_hpd *hpd) 1797 { 1798 struct radeon_device *rdev = dev->dev_private; 1799 struct drm_connector *connector; 1800 struct radeon_connector *radeon_connector; 1801 uint32_t subpixel_order = SubPixelNone; 1802 1803 if (connector_type == DRM_MODE_CONNECTOR_Unknown) 1804 return; 1805 1806 /* if the user selected tv=0 don't try and add the connector */ 1807 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) || 1808 (connector_type == DRM_MODE_CONNECTOR_Composite) || 1809 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) && 1810 (radeon_tv == 0)) 1811 return; 1812 1813 /* see if we already added it */ 1814 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 1815 radeon_connector = to_radeon_connector(connector); 1816 if (radeon_connector->connector_id == connector_id) { 1817 radeon_connector->devices |= supported_device; 1818 return; 1819 } 1820 } 1821 1822 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL); 1823 if (!radeon_connector) 1824 return; 1825 1826 connector = &radeon_connector->base; 1827 1828 radeon_connector->connector_id = connector_id; 1829 radeon_connector->devices = supported_device; 1830 radeon_connector->connector_object_id = connector_object_id; 1831 radeon_connector->hpd = *hpd; 1832 radeon_connector->requires_extended_probe = 1833 radeon_connector_needs_extended_probe(rdev, supported_device, 1834 connector_type); 1835 switch (connector_type) { 1836 case DRM_MODE_CONNECTOR_VGA: 1837 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 1838 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 1839 if (i2c_bus->valid) { 1840 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1841 if (!radeon_connector->ddc_bus) 1842 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1843 } 1844 radeon_connector->dac_load_detect = true; 1845 drm_connector_attach_property(&radeon_connector->base, 1846 rdev->mode_info.load_detect_property, 1847 1); 1848 /* no HPD on analog connectors */ 1849 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 1850 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1851 connector->interlace_allowed = true; 1852 connector->doublescan_allowed = true; 1853 break; 1854 case DRM_MODE_CONNECTOR_DVIA: 1855 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); 1856 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 1857 if (i2c_bus->valid) { 1858 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1859 if (!radeon_connector->ddc_bus) 1860 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1861 } 1862 radeon_connector->dac_load_detect = true; 1863 drm_connector_attach_property(&radeon_connector->base, 1864 rdev->mode_info.load_detect_property, 1865 1); 1866 /* no HPD on analog connectors */ 1867 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 1868 connector->interlace_allowed = true; 1869 connector->doublescan_allowed = true; 1870 break; 1871 case DRM_MODE_CONNECTOR_DVII: 1872 case DRM_MODE_CONNECTOR_DVID: 1873 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); 1874 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 1875 if (i2c_bus->valid) { 1876 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1877 if (!radeon_connector->ddc_bus) 1878 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1879 } 1880 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 1881 radeon_connector->dac_load_detect = true; 1882 drm_connector_attach_property(&radeon_connector->base, 1883 rdev->mode_info.load_detect_property, 1884 1); 1885 } 1886 subpixel_order = SubPixelHorizontalRGB; 1887 connector->interlace_allowed = true; 1888 if (connector_type == DRM_MODE_CONNECTOR_DVII) 1889 connector->doublescan_allowed = true; 1890 else 1891 connector->doublescan_allowed = false; 1892 break; 1893 case DRM_MODE_CONNECTOR_SVIDEO: 1894 case DRM_MODE_CONNECTOR_Composite: 1895 case DRM_MODE_CONNECTOR_9PinDIN: 1896 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type); 1897 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs); 1898 radeon_connector->dac_load_detect = true; 1899 /* RS400,RC410,RS480 chipset seems to report a lot 1900 * of false positive on load detect, we haven't yet 1901 * found a way to make load detect reliable on those 1902 * chipset, thus just disable it for TV. 1903 */ 1904 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480) 1905 radeon_connector->dac_load_detect = false; 1906 drm_connector_attach_property(&radeon_connector->base, 1907 rdev->mode_info.load_detect_property, 1908 radeon_connector->dac_load_detect); 1909 drm_connector_attach_property(&radeon_connector->base, 1910 rdev->mode_info.tv_std_property, 1911 radeon_combios_get_tv_info(rdev)); 1912 /* no HPD on analog connectors */ 1913 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 1914 connector->interlace_allowed = false; 1915 connector->doublescan_allowed = false; 1916 break; 1917 case DRM_MODE_CONNECTOR_LVDS: 1918 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type); 1919 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs); 1920 if (i2c_bus->valid) { 1921 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1922 if (!radeon_connector->ddc_bus) 1923 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1924 } 1925 drm_connector_attach_property(&radeon_connector->base, 1926 dev->mode_config.scaling_mode_property, 1927 DRM_MODE_SCALE_FULLSCREEN); 1928 subpixel_order = SubPixelHorizontalRGB; 1929 connector->interlace_allowed = false; 1930 connector->doublescan_allowed = false; 1931 break; 1932 } 1933 1934 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) { 1935 if (i2c_bus->valid) 1936 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1937 } else 1938 connector->polled = DRM_CONNECTOR_POLL_HPD; 1939 connector->display_info.subpixel_order = subpixel_order; 1940 drm_sysfs_connector_add(connector); 1941 if (connector_type == DRM_MODE_CONNECTOR_LVDS) { 1942 struct drm_encoder *drm_encoder; 1943 1944 list_for_each_entry(drm_encoder, &dev->mode_config.encoder_list, head) { 1945 struct radeon_encoder *radeon_encoder; 1946 1947 radeon_encoder = to_radeon_encoder(drm_encoder); 1948 if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_LVDS) 1949 radeon_legacy_backlight_init(radeon_encoder, connector); 1950 } 1951 } 1952 } 1953