2 * Copyright 2007-8 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
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:
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
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.
23 * Authors: Dave Airlie
28 #include "drm_crtc_helper.h"
29 #include "drm_fb_helper.h"
30 #include "radeon_drm.h"
35 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
36 struct drm_encoder *encoder,
39 radeon_atombios_connected_scratch_regs(struct drm_connector *connector,
40 struct drm_encoder *encoder,
44 radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
45 struct drm_connector *drm_connector);
47 void radeon_connector_hotplug(struct drm_connector *connector)
49 struct drm_device *dev = connector->dev;
50 struct radeon_device *rdev = dev->dev_private;
51 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
53 /* bail if the connector does not have hpd pin, e.g.,
56 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
59 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
61 /* if the connector is already off, don't turn it back on */
62 if (connector->dpms != DRM_MODE_DPMS_ON)
65 /* just deal with DP (not eDP) here. */
66 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
67 int saved_dpms = connector->dpms;
69 /* Only turn off the display it it's physically disconnected */
70 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
71 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
72 else if (radeon_dp_needs_link_train(radeon_connector))
73 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
74 connector->dpms = saved_dpms;
78 static void radeon_property_change_mode(struct drm_encoder *encoder)
80 struct drm_crtc *crtc = encoder->crtc;
82 if (crtc && crtc->enabled) {
83 drm_crtc_helper_set_mode(crtc, &crtc->mode,
84 crtc->x, crtc->y, crtc->fb);
88 int radeon_get_monitor_bpc(struct drm_connector *connector)
90 struct drm_device *dev = connector->dev;
91 struct radeon_device *rdev = dev->dev_private;
92 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
93 struct radeon_connector_atom_dig *dig_connector;
96 switch (connector->connector_type) {
97 case DRM_MODE_CONNECTOR_DVII:
98 case DRM_MODE_CONNECTOR_HDMIB:
99 if (radeon_connector->use_digital) {
100 if (drm_detect_hdmi_monitor(radeon_connector->edid)) {
101 if (connector->display_info.bpc)
102 bpc = connector->display_info.bpc;
106 case DRM_MODE_CONNECTOR_DVID:
107 case DRM_MODE_CONNECTOR_HDMIA:
108 if (drm_detect_hdmi_monitor(radeon_connector->edid)) {
109 if (connector->display_info.bpc)
110 bpc = connector->display_info.bpc;
113 case DRM_MODE_CONNECTOR_DisplayPort:
114 dig_connector = radeon_connector->con_priv;
115 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
116 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
117 drm_detect_hdmi_monitor(radeon_connector->edid)) {
118 if (connector->display_info.bpc)
119 bpc = connector->display_info.bpc;
122 case DRM_MODE_CONNECTOR_eDP:
123 case DRM_MODE_CONNECTOR_LVDS:
124 if (connector->display_info.bpc)
125 bpc = connector->display_info.bpc;
126 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
127 struct drm_connector_helper_funcs *connector_funcs =
128 connector->helper_private;
129 struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
130 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
131 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
133 if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
135 else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
144 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
146 struct drm_device *dev = connector->dev;
147 struct radeon_device *rdev = dev->dev_private;
148 struct drm_encoder *best_encoder = NULL;
149 struct drm_encoder *encoder = NULL;
150 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
151 struct drm_mode_object *obj;
155 best_encoder = connector_funcs->best_encoder(connector);
157 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
158 if (connector->encoder_ids[i] == 0)
161 obj = drm_mode_object_find(connector->dev,
162 connector->encoder_ids[i],
163 DRM_MODE_OBJECT_ENCODER);
167 encoder = obj_to_encoder(obj);
169 if ((encoder == best_encoder) && (status == connector_status_connected))
174 if (rdev->is_atom_bios)
175 radeon_atombios_connected_scratch_regs(connector, encoder, connected);
177 radeon_combios_connected_scratch_regs(connector, encoder, connected);
182 struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
184 struct drm_mode_object *obj;
185 struct drm_encoder *encoder;
188 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
189 if (connector->encoder_ids[i] == 0)
192 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
196 encoder = obj_to_encoder(obj);
197 if (encoder->encoder_type == encoder_type)
203 struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
205 int enc_id = connector->encoder_ids[0];
206 struct drm_mode_object *obj;
207 struct drm_encoder *encoder;
209 /* pick the encoder ids */
211 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
214 encoder = obj_to_encoder(obj);
221 * radeon_connector_analog_encoder_conflict_solve
222 * - search for other connectors sharing this encoder
223 * if priority is true, then set them disconnected if this is connected
224 * if priority is false, set us disconnected if they are connected
226 static enum drm_connector_status
227 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
228 struct drm_encoder *encoder,
229 enum drm_connector_status current_status,
232 struct drm_device *dev = connector->dev;
233 struct drm_connector *conflict;
234 struct radeon_connector *radeon_conflict;
237 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
238 if (conflict == connector)
241 radeon_conflict = to_radeon_connector(conflict);
242 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
243 if (conflict->encoder_ids[i] == 0)
246 /* if the IDs match */
247 if (conflict->encoder_ids[i] == encoder->base.id) {
248 if (conflict->status != connector_status_connected)
251 if (radeon_conflict->use_digital)
254 if (priority == true) {
255 DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
256 DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(connector));
257 conflict->status = connector_status_disconnected;
258 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
260 DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
261 DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict));
262 current_status = connector_status_disconnected;
268 return current_status;
272 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
274 struct drm_device *dev = encoder->dev;
275 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
276 struct drm_display_mode *mode = NULL;
277 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
279 if (native_mode->hdisplay != 0 &&
280 native_mode->vdisplay != 0 &&
281 native_mode->clock != 0) {
282 mode = drm_mode_duplicate(dev, native_mode);
283 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
284 drm_mode_set_name(mode);
286 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
287 } else if (native_mode->hdisplay != 0 &&
288 native_mode->vdisplay != 0) {
289 /* mac laptops without an edid */
290 /* Note that this is not necessarily the exact panel mode,
291 * but an approximation based on the cvt formula. For these
292 * systems we should ideally read the mode info out of the
293 * registers or add a mode table, but this works and is much
296 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
297 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
298 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
303 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
305 struct drm_device *dev = encoder->dev;
306 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
307 struct drm_display_mode *mode = NULL;
308 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
313 } common_modes[17] = {
333 for (i = 0; i < 17; i++) {
334 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
335 if (common_modes[i].w > 1024 ||
336 common_modes[i].h > 768)
339 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
340 if (common_modes[i].w > native_mode->hdisplay ||
341 common_modes[i].h > native_mode->vdisplay ||
342 (common_modes[i].w == native_mode->hdisplay &&
343 common_modes[i].h == native_mode->vdisplay))
346 if (common_modes[i].w < 320 || common_modes[i].h < 200)
349 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
350 drm_mode_probed_add(connector, mode);
354 int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
357 struct drm_device *dev = connector->dev;
358 struct radeon_device *rdev = dev->dev_private;
359 struct drm_encoder *encoder;
360 struct radeon_encoder *radeon_encoder;
362 if (property == rdev->mode_info.coherent_mode_property) {
363 struct radeon_encoder_atom_dig *dig;
364 bool new_coherent_mode;
366 /* need to find digital encoder on connector */
367 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
371 radeon_encoder = to_radeon_encoder(encoder);
373 if (!radeon_encoder->enc_priv)
376 dig = radeon_encoder->enc_priv;
377 new_coherent_mode = val ? true : false;
378 if (dig->coherent_mode != new_coherent_mode) {
379 dig->coherent_mode = new_coherent_mode;
380 radeon_property_change_mode(&radeon_encoder->base);
384 if (property == rdev->mode_info.underscan_property) {
385 /* need to find digital encoder on connector */
386 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
390 radeon_encoder = to_radeon_encoder(encoder);
392 if (radeon_encoder->underscan_type != val) {
393 radeon_encoder->underscan_type = val;
394 radeon_property_change_mode(&radeon_encoder->base);
398 if (property == rdev->mode_info.underscan_hborder_property) {
399 /* need to find digital encoder on connector */
400 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
404 radeon_encoder = to_radeon_encoder(encoder);
406 if (radeon_encoder->underscan_hborder != val) {
407 radeon_encoder->underscan_hborder = val;
408 radeon_property_change_mode(&radeon_encoder->base);
412 if (property == rdev->mode_info.underscan_vborder_property) {
413 /* need to find digital encoder on connector */
414 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
418 radeon_encoder = to_radeon_encoder(encoder);
420 if (radeon_encoder->underscan_vborder != val) {
421 radeon_encoder->underscan_vborder = val;
422 radeon_property_change_mode(&radeon_encoder->base);
426 if (property == rdev->mode_info.tv_std_property) {
427 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
429 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
435 radeon_encoder = to_radeon_encoder(encoder);
436 if (!radeon_encoder->enc_priv)
438 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
439 struct radeon_encoder_atom_dac *dac_int;
440 dac_int = radeon_encoder->enc_priv;
441 dac_int->tv_std = val;
443 struct radeon_encoder_tv_dac *dac_int;
444 dac_int = radeon_encoder->enc_priv;
445 dac_int->tv_std = val;
447 radeon_property_change_mode(&radeon_encoder->base);
450 if (property == rdev->mode_info.load_detect_property) {
451 struct radeon_connector *radeon_connector =
452 to_radeon_connector(connector);
455 radeon_connector->dac_load_detect = false;
457 radeon_connector->dac_load_detect = true;
460 if (property == rdev->mode_info.tmds_pll_property) {
461 struct radeon_encoder_int_tmds *tmds = NULL;
463 /* need to find digital encoder on connector */
464 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
468 radeon_encoder = to_radeon_encoder(encoder);
470 tmds = radeon_encoder->enc_priv;
475 if (rdev->is_atom_bios)
476 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
478 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
480 if (val == 1 || ret == false) {
481 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
483 radeon_property_change_mode(&radeon_encoder->base);
489 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
490 struct drm_connector *connector)
492 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
493 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
494 struct drm_display_mode *t, *mode;
496 /* If the EDID preferred mode doesn't match the native mode, use it */
497 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
498 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
499 if (mode->hdisplay != native_mode->hdisplay ||
500 mode->vdisplay != native_mode->vdisplay)
501 memcpy(native_mode, mode, sizeof(*mode));
505 /* Try to get native mode details from EDID if necessary */
506 if (!native_mode->clock) {
507 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
508 if (mode->hdisplay == native_mode->hdisplay &&
509 mode->vdisplay == native_mode->vdisplay) {
510 *native_mode = *mode;
511 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
512 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
518 if (!native_mode->clock) {
519 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
520 radeon_encoder->rmx_type = RMX_OFF;
524 static int radeon_lvds_get_modes(struct drm_connector *connector)
526 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
527 struct drm_encoder *encoder;
529 struct drm_display_mode *mode;
531 if (radeon_connector->ddc_bus) {
532 ret = radeon_ddc_get_modes(radeon_connector);
534 encoder = radeon_best_single_encoder(connector);
536 radeon_fixup_lvds_native_mode(encoder, connector);
537 /* add scaled modes */
538 radeon_add_common_modes(encoder, connector);
544 encoder = radeon_best_single_encoder(connector);
548 /* we have no EDID modes */
549 mode = radeon_fp_native_mode(encoder);
552 drm_mode_probed_add(connector, mode);
553 /* add the width/height from vbios tables if available */
554 connector->display_info.width_mm = mode->width_mm;
555 connector->display_info.height_mm = mode->height_mm;
556 /* add scaled modes */
557 radeon_add_common_modes(encoder, connector);
563 static int radeon_lvds_mode_valid(struct drm_connector *connector,
564 struct drm_display_mode *mode)
566 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
568 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
572 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
573 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
575 /* AVIVO hardware supports downscaling modes larger than the panel
576 * to the panel size, but I'm not sure this is desirable.
578 if ((mode->hdisplay > native_mode->hdisplay) ||
579 (mode->vdisplay > native_mode->vdisplay))
582 /* if scaling is disabled, block non-native modes */
583 if (radeon_encoder->rmx_type == RMX_OFF) {
584 if ((mode->hdisplay != native_mode->hdisplay) ||
585 (mode->vdisplay != native_mode->vdisplay))
593 static enum drm_connector_status
594 radeon_lvds_detect(struct drm_connector *connector, bool force)
596 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
597 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
598 enum drm_connector_status ret = connector_status_disconnected;
601 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
602 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
604 /* check if panel is valid */
605 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
606 ret = connector_status_connected;
610 /* check for edid as well */
611 if (radeon_connector->edid)
612 ret = connector_status_connected;
614 if (radeon_connector->ddc_bus) {
615 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
616 &radeon_connector->ddc_bus->adapter);
617 if (radeon_connector->edid)
618 ret = connector_status_connected;
621 /* check acpi lid status ??? */
623 radeon_connector_update_scratch_regs(connector, ret);
627 static void radeon_connector_destroy(struct drm_connector *connector)
629 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
631 if (radeon_connector->edid)
632 kfree(radeon_connector->edid);
633 kfree(radeon_connector->con_priv);
634 drm_sysfs_connector_remove(connector);
635 drm_connector_cleanup(connector);
639 static int radeon_lvds_set_property(struct drm_connector *connector,
640 struct drm_property *property,
643 struct drm_device *dev = connector->dev;
644 struct radeon_encoder *radeon_encoder;
645 enum radeon_rmx_type rmx_type;
648 if (property != dev->mode_config.scaling_mode_property)
651 if (connector->encoder)
652 radeon_encoder = to_radeon_encoder(connector->encoder);
654 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
655 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
659 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
660 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
661 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
663 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
665 if (radeon_encoder->rmx_type == rmx_type)
668 radeon_encoder->rmx_type = rmx_type;
670 radeon_property_change_mode(&radeon_encoder->base);
675 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
676 .get_modes = radeon_lvds_get_modes,
677 .mode_valid = radeon_lvds_mode_valid,
678 .best_encoder = radeon_best_single_encoder,
681 struct drm_connector_funcs radeon_lvds_connector_funcs = {
682 .dpms = drm_helper_connector_dpms,
683 .detect = radeon_lvds_detect,
684 .fill_modes = drm_helper_probe_single_connector_modes,
685 .destroy = radeon_connector_destroy,
686 .set_property = radeon_lvds_set_property,
689 static int radeon_vga_get_modes(struct drm_connector *connector)
691 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
694 ret = radeon_ddc_get_modes(radeon_connector);
699 static int radeon_vga_mode_valid(struct drm_connector *connector,
700 struct drm_display_mode *mode)
702 struct drm_device *dev = connector->dev;
703 struct radeon_device *rdev = dev->dev_private;
705 /* XXX check mode bandwidth */
707 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
708 return MODE_CLOCK_HIGH;
713 static enum drm_connector_status
714 radeon_vga_detect(struct drm_connector *connector, bool force)
716 struct drm_device *dev = connector->dev;
717 struct radeon_device *rdev = dev->dev_private;
718 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
719 struct drm_encoder *encoder;
720 struct drm_encoder_helper_funcs *encoder_funcs;
722 enum drm_connector_status ret = connector_status_disconnected;
724 encoder = radeon_best_single_encoder(connector);
726 ret = connector_status_disconnected;
728 if (radeon_connector->ddc_bus)
729 dret = radeon_ddc_probe(radeon_connector);
731 radeon_connector->detected_by_load = false;
732 if (radeon_connector->edid) {
733 kfree(radeon_connector->edid);
734 radeon_connector->edid = NULL;
736 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
738 if (!radeon_connector->edid) {
739 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
740 drm_get_connector_name(connector));
741 ret = connector_status_connected;
743 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
745 /* some oems have boards with separate digital and analog connectors
746 * with a shared ddc line (often vga + hdmi)
748 if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
749 kfree(radeon_connector->edid);
750 radeon_connector->edid = NULL;
751 ret = connector_status_disconnected;
753 ret = connector_status_connected;
757 /* if we aren't forcing don't do destructive polling */
759 /* only return the previous status if we last
760 * detected a monitor via load.
762 if (radeon_connector->detected_by_load)
763 return connector->status;
768 if (radeon_connector->dac_load_detect && encoder) {
769 encoder_funcs = encoder->helper_private;
770 ret = encoder_funcs->detect(encoder, connector);
771 if (ret != connector_status_disconnected)
772 radeon_connector->detected_by_load = true;
776 if (ret == connector_status_connected)
777 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
779 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
780 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
781 * by other means, assume the CRT is connected and use that EDID.
783 if ((!rdev->is_atom_bios) &&
784 (ret == connector_status_disconnected) &&
785 rdev->mode_info.bios_hardcoded_edid_size) {
786 ret = connector_status_connected;
789 radeon_connector_update_scratch_regs(connector, ret);
793 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
794 .get_modes = radeon_vga_get_modes,
795 .mode_valid = radeon_vga_mode_valid,
796 .best_encoder = radeon_best_single_encoder,
799 struct drm_connector_funcs radeon_vga_connector_funcs = {
800 .dpms = drm_helper_connector_dpms,
801 .detect = radeon_vga_detect,
802 .fill_modes = drm_helper_probe_single_connector_modes,
803 .destroy = radeon_connector_destroy,
804 .set_property = radeon_connector_set_property,
807 static int radeon_tv_get_modes(struct drm_connector *connector)
809 struct drm_device *dev = connector->dev;
810 struct radeon_device *rdev = dev->dev_private;
811 struct drm_display_mode *tv_mode;
812 struct drm_encoder *encoder;
814 encoder = radeon_best_single_encoder(connector);
818 /* avivo chips can scale any mode */
819 if (rdev->family >= CHIP_RS600)
820 /* add scaled modes */
821 radeon_add_common_modes(encoder, connector);
823 /* only 800x600 is supported right now on pre-avivo chips */
824 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
825 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
826 drm_mode_probed_add(connector, tv_mode);
831 static int radeon_tv_mode_valid(struct drm_connector *connector,
832 struct drm_display_mode *mode)
834 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
835 return MODE_CLOCK_RANGE;
839 static enum drm_connector_status
840 radeon_tv_detect(struct drm_connector *connector, bool force)
842 struct drm_encoder *encoder;
843 struct drm_encoder_helper_funcs *encoder_funcs;
844 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
845 enum drm_connector_status ret = connector_status_disconnected;
847 if (!radeon_connector->dac_load_detect)
850 encoder = radeon_best_single_encoder(connector);
852 ret = connector_status_disconnected;
854 encoder_funcs = encoder->helper_private;
855 ret = encoder_funcs->detect(encoder, connector);
857 if (ret == connector_status_connected)
858 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
859 radeon_connector_update_scratch_regs(connector, ret);
863 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
864 .get_modes = radeon_tv_get_modes,
865 .mode_valid = radeon_tv_mode_valid,
866 .best_encoder = radeon_best_single_encoder,
869 struct drm_connector_funcs radeon_tv_connector_funcs = {
870 .dpms = drm_helper_connector_dpms,
871 .detect = radeon_tv_detect,
872 .fill_modes = drm_helper_probe_single_connector_modes,
873 .destroy = radeon_connector_destroy,
874 .set_property = radeon_connector_set_property,
877 static int radeon_dvi_get_modes(struct drm_connector *connector)
879 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
882 ret = radeon_ddc_get_modes(radeon_connector);
886 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
888 struct drm_device *dev = connector->dev;
889 struct radeon_device *rdev = dev->dev_private;
890 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
891 enum drm_connector_status status;
893 /* We only trust HPD on R600 and newer ASICS. */
894 if (rdev->family >= CHIP_R600
895 && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
896 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
897 status = connector_status_connected;
899 status = connector_status_disconnected;
900 if (connector->status == status)
909 * Do a DDC probe, if DDC probe passes, get the full EDID so
910 * we can do analog/digital monitor detection at this point.
911 * If the monitor is an analog monitor or we got no DDC,
912 * we need to find the DAC encoder object for this connector.
913 * If we got no DDC, we do load detection on the DAC encoder object.
914 * If we got analog DDC or load detection passes on the DAC encoder
915 * we have to check if this analog encoder is shared with anyone else (TV)
916 * if its shared we have to set the other connector to disconnected.
918 static enum drm_connector_status
919 radeon_dvi_detect(struct drm_connector *connector, bool force)
921 struct drm_device *dev = connector->dev;
922 struct radeon_device *rdev = dev->dev_private;
923 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
924 struct drm_encoder *encoder = NULL;
925 struct drm_encoder_helper_funcs *encoder_funcs;
926 struct drm_mode_object *obj;
928 enum drm_connector_status ret = connector_status_disconnected;
931 if (!force && radeon_check_hpd_status_unchanged(connector))
932 return connector->status;
934 if (radeon_connector->ddc_bus)
935 dret = radeon_ddc_probe(radeon_connector);
937 radeon_connector->detected_by_load = false;
938 if (radeon_connector->edid) {
939 kfree(radeon_connector->edid);
940 radeon_connector->edid = NULL;
942 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
944 if (!radeon_connector->edid) {
945 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
946 drm_get_connector_name(connector));
947 /* rs690 seems to have a problem with connectors not existing and always
948 * return a block of 0's. If we see this just stop polling on this output */
949 if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && radeon_connector->base.null_edid_counter) {
950 ret = connector_status_disconnected;
951 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector));
952 radeon_connector->ddc_bus = NULL;
955 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
957 /* some oems have boards with separate digital and analog connectors
958 * with a shared ddc line (often vga + hdmi)
960 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
961 kfree(radeon_connector->edid);
962 radeon_connector->edid = NULL;
963 ret = connector_status_disconnected;
965 ret = connector_status_connected;
967 /* This gets complicated. We have boards with VGA + HDMI with a
968 * shared DDC line and we have boards with DVI-D + HDMI with a shared
969 * DDC line. The latter is more complex because with DVI<->HDMI adapters
970 * you don't really know what's connected to which port as both are digital.
972 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
973 struct drm_connector *list_connector;
974 struct radeon_connector *list_radeon_connector;
975 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
976 if (connector == list_connector)
978 list_radeon_connector = to_radeon_connector(list_connector);
979 if (list_radeon_connector->shared_ddc &&
980 (list_radeon_connector->ddc_bus->rec.i2c_id ==
981 radeon_connector->ddc_bus->rec.i2c_id)) {
982 /* cases where both connectors are digital */
983 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
984 /* hpd is our only option in this case */
985 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
986 kfree(radeon_connector->edid);
987 radeon_connector->edid = NULL;
988 ret = connector_status_disconnected;
997 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1000 /* DVI-D and HDMI-A are digital only */
1001 if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1002 (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1005 /* if we aren't forcing don't do destructive polling */
1007 /* only return the previous status if we last
1008 * detected a monitor via load.
1010 if (radeon_connector->detected_by_load)
1011 ret = connector->status;
1015 /* find analog encoder */
1016 if (radeon_connector->dac_load_detect) {
1017 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1018 if (connector->encoder_ids[i] == 0)
1021 obj = drm_mode_object_find(connector->dev,
1022 connector->encoder_ids[i],
1023 DRM_MODE_OBJECT_ENCODER);
1027 encoder = obj_to_encoder(obj);
1029 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1030 encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1033 encoder_funcs = encoder->helper_private;
1034 if (encoder_funcs->detect) {
1035 if (ret != connector_status_connected) {
1036 ret = encoder_funcs->detect(encoder, connector);
1037 if (ret == connector_status_connected) {
1038 radeon_connector->use_digital = false;
1040 if (ret != connector_status_disconnected)
1041 radeon_connector->detected_by_load = true;
1048 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1050 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1053 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1054 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1055 * by other means, assume the DFP is connected and use that EDID. In most
1056 * cases the DVI port is actually a virtual KVM port connected to the service
1060 if ((!rdev->is_atom_bios) &&
1061 (ret == connector_status_disconnected) &&
1062 rdev->mode_info.bios_hardcoded_edid_size) {
1063 radeon_connector->use_digital = true;
1064 ret = connector_status_connected;
1067 /* updated in get modes as well since we need to know if it's analog or digital */
1068 radeon_connector_update_scratch_regs(connector, ret);
1072 /* okay need to be smart in here about which encoder to pick */
1073 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1075 int enc_id = connector->encoder_ids[0];
1076 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1077 struct drm_mode_object *obj;
1078 struct drm_encoder *encoder;
1080 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1081 if (connector->encoder_ids[i] == 0)
1084 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1088 encoder = obj_to_encoder(obj);
1090 if (radeon_connector->use_digital == true) {
1091 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1094 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1095 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1100 /* see if we have a default encoder TODO */
1102 /* then check use digitial */
1103 /* pick the first one */
1105 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
1108 encoder = obj_to_encoder(obj);
1114 static void radeon_dvi_force(struct drm_connector *connector)
1116 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1117 if (connector->force == DRM_FORCE_ON)
1118 radeon_connector->use_digital = false;
1119 if (connector->force == DRM_FORCE_ON_DIGITAL)
1120 radeon_connector->use_digital = true;
1123 static int radeon_dvi_mode_valid(struct drm_connector *connector,
1124 struct drm_display_mode *mode)
1126 struct drm_device *dev = connector->dev;
1127 struct radeon_device *rdev = dev->dev_private;
1128 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1130 /* XXX check mode bandwidth */
1132 /* clocks over 135 MHz have heat issues with DVI on RV100 */
1133 if (radeon_connector->use_digital &&
1134 (rdev->family == CHIP_RV100) &&
1135 (mode->clock > 135000))
1136 return MODE_CLOCK_HIGH;
1138 if (radeon_connector->use_digital && (mode->clock > 165000)) {
1139 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1140 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1141 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1143 else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) {
1144 if (ASIC_IS_DCE6(rdev)) {
1145 /* HDMI 1.3+ supports max clock of 340 Mhz */
1146 if (mode->clock > 340000)
1147 return MODE_CLOCK_HIGH;
1151 return MODE_CLOCK_HIGH;
1153 return MODE_CLOCK_HIGH;
1156 /* check against the max pixel clock */
1157 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1158 return MODE_CLOCK_HIGH;
1163 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1164 .get_modes = radeon_dvi_get_modes,
1165 .mode_valid = radeon_dvi_mode_valid,
1166 .best_encoder = radeon_dvi_encoder,
1169 struct drm_connector_funcs radeon_dvi_connector_funcs = {
1170 .dpms = drm_helper_connector_dpms,
1171 .detect = radeon_dvi_detect,
1172 .fill_modes = drm_helper_probe_single_connector_modes,
1173 .set_property = radeon_connector_set_property,
1174 .destroy = radeon_connector_destroy,
1175 .force = radeon_dvi_force,
1178 static void radeon_dp_connector_destroy(struct drm_connector *connector)
1180 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1181 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1183 if (radeon_connector->edid)
1184 kfree(radeon_connector->edid);
1185 if (radeon_dig_connector->dp_i2c_bus)
1186 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
1187 kfree(radeon_connector->con_priv);
1188 drm_sysfs_connector_remove(connector);
1189 drm_connector_cleanup(connector);
1193 static int radeon_dp_get_modes(struct drm_connector *connector)
1195 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1196 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1197 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1200 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1201 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1202 struct drm_display_mode *mode;
1204 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1205 if (!radeon_dig_connector->edp_on)
1206 atombios_set_edp_panel_power(connector,
1207 ATOM_TRANSMITTER_ACTION_POWER_ON);
1208 ret = radeon_ddc_get_modes(radeon_connector);
1209 if (!radeon_dig_connector->edp_on)
1210 atombios_set_edp_panel_power(connector,
1211 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1213 /* need to setup ddc on the bridge */
1214 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1215 ENCODER_OBJECT_ID_NONE) {
1217 radeon_atom_ext_encoder_setup_ddc(encoder);
1219 ret = radeon_ddc_get_modes(radeon_connector);
1224 radeon_fixup_lvds_native_mode(encoder, connector);
1225 /* add scaled modes */
1226 radeon_add_common_modes(encoder, connector);
1234 /* we have no EDID modes */
1235 mode = radeon_fp_native_mode(encoder);
1238 drm_mode_probed_add(connector, mode);
1239 /* add the width/height from vbios tables if available */
1240 connector->display_info.width_mm = mode->width_mm;
1241 connector->display_info.height_mm = mode->height_mm;
1242 /* add scaled modes */
1243 radeon_add_common_modes(encoder, connector);
1246 /* need to setup ddc on the bridge */
1247 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1248 ENCODER_OBJECT_ID_NONE) {
1250 radeon_atom_ext_encoder_setup_ddc(encoder);
1252 ret = radeon_ddc_get_modes(radeon_connector);
1258 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1260 struct drm_mode_object *obj;
1261 struct drm_encoder *encoder;
1262 struct radeon_encoder *radeon_encoder;
1265 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1266 if (connector->encoder_ids[i] == 0)
1269 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1273 encoder = obj_to_encoder(obj);
1274 radeon_encoder = to_radeon_encoder(encoder);
1276 switch (radeon_encoder->encoder_id) {
1277 case ENCODER_OBJECT_ID_TRAVIS:
1278 case ENCODER_OBJECT_ID_NUTMEG:
1279 return radeon_encoder->encoder_id;
1285 return ENCODER_OBJECT_ID_NONE;
1288 bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1290 struct drm_mode_object *obj;
1291 struct drm_encoder *encoder;
1292 struct radeon_encoder *radeon_encoder;
1296 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1297 if (connector->encoder_ids[i] == 0)
1300 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1304 encoder = obj_to_encoder(obj);
1305 radeon_encoder = to_radeon_encoder(encoder);
1306 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1313 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1315 struct drm_device *dev = connector->dev;
1316 struct radeon_device *rdev = dev->dev_private;
1318 if (ASIC_IS_DCE5(rdev) &&
1319 (rdev->clock.dp_extclk >= 53900) &&
1320 radeon_connector_encoder_is_hbr2(connector)) {
1327 static enum drm_connector_status
1328 radeon_dp_detect(struct drm_connector *connector, bool force)
1330 struct drm_device *dev = connector->dev;
1331 struct radeon_device *rdev = dev->dev_private;
1332 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1333 enum drm_connector_status ret = connector_status_disconnected;
1334 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1335 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1337 if (!force && radeon_check_hpd_status_unchanged(connector))
1338 return connector->status;
1340 if (radeon_connector->edid) {
1341 kfree(radeon_connector->edid);
1342 radeon_connector->edid = NULL;
1345 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1346 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1348 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1349 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1351 /* check if panel is valid */
1352 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1353 ret = connector_status_connected;
1355 /* eDP is always DP */
1356 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1357 if (!radeon_dig_connector->edp_on)
1358 atombios_set_edp_panel_power(connector,
1359 ATOM_TRANSMITTER_ACTION_POWER_ON);
1360 if (radeon_dp_getdpcd(radeon_connector))
1361 ret = connector_status_connected;
1362 if (!radeon_dig_connector->edp_on)
1363 atombios_set_edp_panel_power(connector,
1364 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1365 } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1366 ENCODER_OBJECT_ID_NONE) {
1367 /* DP bridges are always DP */
1368 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1369 /* get the DPCD from the bridge */
1370 radeon_dp_getdpcd(radeon_connector);
1373 /* setup ddc on the bridge */
1374 radeon_atom_ext_encoder_setup_ddc(encoder);
1375 if (radeon_ddc_probe(radeon_connector)) /* try DDC */
1376 ret = connector_status_connected;
1377 else if (radeon_connector->dac_load_detect) { /* try load detection */
1378 struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1379 ret = encoder_funcs->detect(encoder, connector);
1383 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1384 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1385 ret = connector_status_connected;
1386 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1387 radeon_dp_getdpcd(radeon_connector);
1389 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1390 if (radeon_dp_getdpcd(radeon_connector))
1391 ret = connector_status_connected;
1393 if (radeon_ddc_probe(radeon_connector))
1394 ret = connector_status_connected;
1399 radeon_connector_update_scratch_regs(connector, ret);
1403 static int radeon_dp_mode_valid(struct drm_connector *connector,
1404 struct drm_display_mode *mode)
1406 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1407 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1409 /* XXX check mode bandwidth */
1411 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1412 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1413 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1415 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1419 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1420 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1422 /* AVIVO hardware supports downscaling modes larger than the panel
1423 * to the panel size, but I'm not sure this is desirable.
1425 if ((mode->hdisplay > native_mode->hdisplay) ||
1426 (mode->vdisplay > native_mode->vdisplay))
1429 /* if scaling is disabled, block non-native modes */
1430 if (radeon_encoder->rmx_type == RMX_OFF) {
1431 if ((mode->hdisplay != native_mode->hdisplay) ||
1432 (mode->vdisplay != native_mode->vdisplay))
1438 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1439 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1440 return radeon_dp_mode_valid_helper(connector, mode);
1446 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1447 .get_modes = radeon_dp_get_modes,
1448 .mode_valid = radeon_dp_mode_valid,
1449 .best_encoder = radeon_dvi_encoder,
1452 struct drm_connector_funcs radeon_dp_connector_funcs = {
1453 .dpms = drm_helper_connector_dpms,
1454 .detect = radeon_dp_detect,
1455 .fill_modes = drm_helper_probe_single_connector_modes,
1456 .set_property = radeon_connector_set_property,
1457 .destroy = radeon_dp_connector_destroy,
1458 .force = radeon_dvi_force,
1462 radeon_add_atom_connector(struct drm_device *dev,
1463 uint32_t connector_id,
1464 uint32_t supported_device,
1466 struct radeon_i2c_bus_rec *i2c_bus,
1467 uint32_t igp_lane_info,
1468 uint16_t connector_object_id,
1469 struct radeon_hpd *hpd,
1470 struct radeon_router *router)
1472 struct radeon_device *rdev = dev->dev_private;
1473 struct drm_connector *connector;
1474 struct radeon_connector *radeon_connector;
1475 struct radeon_connector_atom_dig *radeon_dig_connector;
1476 struct drm_encoder *encoder;
1477 struct radeon_encoder *radeon_encoder;
1478 uint32_t subpixel_order = SubPixelNone;
1479 bool shared_ddc = false;
1480 bool is_dp_bridge = false;
1482 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1485 /* if the user selected tv=0 don't try and add the connector */
1486 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1487 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1488 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1492 /* see if we already added it */
1493 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1494 radeon_connector = to_radeon_connector(connector);
1495 if (radeon_connector->connector_id == connector_id) {
1496 radeon_connector->devices |= supported_device;
1499 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1500 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1501 radeon_connector->shared_ddc = true;
1504 if (radeon_connector->router_bus && router->ddc_valid &&
1505 (radeon_connector->router.router_id == router->router_id)) {
1506 radeon_connector->shared_ddc = false;
1512 /* check if it's a dp bridge */
1513 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1514 radeon_encoder = to_radeon_encoder(encoder);
1515 if (radeon_encoder->devices & supported_device) {
1516 switch (radeon_encoder->encoder_id) {
1517 case ENCODER_OBJECT_ID_TRAVIS:
1518 case ENCODER_OBJECT_ID_NUTMEG:
1519 is_dp_bridge = true;
1527 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1528 if (!radeon_connector)
1531 connector = &radeon_connector->base;
1533 radeon_connector->connector_id = connector_id;
1534 radeon_connector->devices = supported_device;
1535 radeon_connector->shared_ddc = shared_ddc;
1536 radeon_connector->connector_object_id = connector_object_id;
1537 radeon_connector->hpd = *hpd;
1539 radeon_connector->router = *router;
1540 if (router->ddc_valid || router->cd_valid) {
1541 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1542 if (!radeon_connector->router_bus)
1543 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1547 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1548 if (!radeon_dig_connector)
1550 radeon_dig_connector->igp_lane_info = igp_lane_info;
1551 radeon_connector->con_priv = radeon_dig_connector;
1552 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1553 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1554 if (i2c_bus->valid) {
1555 /* add DP i2c bus */
1556 if (connector_type == DRM_MODE_CONNECTOR_eDP)
1557 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1559 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1560 if (!radeon_dig_connector->dp_i2c_bus)
1561 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1562 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1563 if (!radeon_connector->ddc_bus)
1564 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1566 switch (connector_type) {
1567 case DRM_MODE_CONNECTOR_VGA:
1568 case DRM_MODE_CONNECTOR_DVIA:
1570 connector->interlace_allowed = true;
1571 connector->doublescan_allowed = true;
1572 radeon_connector->dac_load_detect = true;
1573 drm_connector_attach_property(&radeon_connector->base,
1574 rdev->mode_info.load_detect_property,
1577 case DRM_MODE_CONNECTOR_DVII:
1578 case DRM_MODE_CONNECTOR_DVID:
1579 case DRM_MODE_CONNECTOR_HDMIA:
1580 case DRM_MODE_CONNECTOR_HDMIB:
1581 case DRM_MODE_CONNECTOR_DisplayPort:
1582 drm_connector_attach_property(&radeon_connector->base,
1583 rdev->mode_info.underscan_property,
1585 drm_connector_attach_property(&radeon_connector->base,
1586 rdev->mode_info.underscan_hborder_property,
1588 drm_connector_attach_property(&radeon_connector->base,
1589 rdev->mode_info.underscan_vborder_property,
1591 subpixel_order = SubPixelHorizontalRGB;
1592 connector->interlace_allowed = true;
1593 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1594 connector->doublescan_allowed = true;
1596 connector->doublescan_allowed = false;
1597 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1598 radeon_connector->dac_load_detect = true;
1599 drm_connector_attach_property(&radeon_connector->base,
1600 rdev->mode_info.load_detect_property,
1604 case DRM_MODE_CONNECTOR_LVDS:
1605 case DRM_MODE_CONNECTOR_eDP:
1606 drm_connector_attach_property(&radeon_connector->base,
1607 dev->mode_config.scaling_mode_property,
1608 DRM_MODE_SCALE_FULLSCREEN);
1609 subpixel_order = SubPixelHorizontalRGB;
1610 connector->interlace_allowed = false;
1611 connector->doublescan_allowed = false;
1615 switch (connector_type) {
1616 case DRM_MODE_CONNECTOR_VGA:
1617 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1618 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1619 if (i2c_bus->valid) {
1620 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1621 if (!radeon_connector->ddc_bus)
1622 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1624 radeon_connector->dac_load_detect = true;
1625 drm_connector_attach_property(&radeon_connector->base,
1626 rdev->mode_info.load_detect_property,
1628 /* no HPD on analog connectors */
1629 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1630 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1631 connector->interlace_allowed = true;
1632 connector->doublescan_allowed = true;
1634 case DRM_MODE_CONNECTOR_DVIA:
1635 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1636 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1637 if (i2c_bus->valid) {
1638 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1639 if (!radeon_connector->ddc_bus)
1640 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1642 radeon_connector->dac_load_detect = true;
1643 drm_connector_attach_property(&radeon_connector->base,
1644 rdev->mode_info.load_detect_property,
1646 /* no HPD on analog connectors */
1647 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1648 connector->interlace_allowed = true;
1649 connector->doublescan_allowed = true;
1651 case DRM_MODE_CONNECTOR_DVII:
1652 case DRM_MODE_CONNECTOR_DVID:
1653 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1654 if (!radeon_dig_connector)
1656 radeon_dig_connector->igp_lane_info = igp_lane_info;
1657 radeon_connector->con_priv = radeon_dig_connector;
1658 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1659 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1660 if (i2c_bus->valid) {
1661 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1662 if (!radeon_connector->ddc_bus)
1663 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1665 subpixel_order = SubPixelHorizontalRGB;
1666 drm_connector_attach_property(&radeon_connector->base,
1667 rdev->mode_info.coherent_mode_property,
1669 if (ASIC_IS_AVIVO(rdev)) {
1670 drm_connector_attach_property(&radeon_connector->base,
1671 rdev->mode_info.underscan_property,
1673 drm_connector_attach_property(&radeon_connector->base,
1674 rdev->mode_info.underscan_hborder_property,
1676 drm_connector_attach_property(&radeon_connector->base,
1677 rdev->mode_info.underscan_vborder_property,
1680 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1681 radeon_connector->dac_load_detect = true;
1682 drm_connector_attach_property(&radeon_connector->base,
1683 rdev->mode_info.load_detect_property,
1686 connector->interlace_allowed = true;
1687 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1688 connector->doublescan_allowed = true;
1690 connector->doublescan_allowed = false;
1692 case DRM_MODE_CONNECTOR_HDMIA:
1693 case DRM_MODE_CONNECTOR_HDMIB:
1694 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1695 if (!radeon_dig_connector)
1697 radeon_dig_connector->igp_lane_info = igp_lane_info;
1698 radeon_connector->con_priv = radeon_dig_connector;
1699 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1700 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1701 if (i2c_bus->valid) {
1702 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1703 if (!radeon_connector->ddc_bus)
1704 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1706 drm_connector_attach_property(&radeon_connector->base,
1707 rdev->mode_info.coherent_mode_property,
1709 if (ASIC_IS_AVIVO(rdev)) {
1710 drm_connector_attach_property(&radeon_connector->base,
1711 rdev->mode_info.underscan_property,
1713 drm_connector_attach_property(&radeon_connector->base,
1714 rdev->mode_info.underscan_hborder_property,
1716 drm_connector_attach_property(&radeon_connector->base,
1717 rdev->mode_info.underscan_vborder_property,
1720 subpixel_order = SubPixelHorizontalRGB;
1721 connector->interlace_allowed = true;
1722 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1723 connector->doublescan_allowed = true;
1725 connector->doublescan_allowed = false;
1727 case DRM_MODE_CONNECTOR_DisplayPort:
1728 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1729 if (!radeon_dig_connector)
1731 radeon_dig_connector->igp_lane_info = igp_lane_info;
1732 radeon_connector->con_priv = radeon_dig_connector;
1733 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1734 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1735 if (i2c_bus->valid) {
1736 /* add DP i2c bus */
1737 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1738 if (!radeon_dig_connector->dp_i2c_bus)
1739 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1740 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1741 if (!radeon_connector->ddc_bus)
1742 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1744 subpixel_order = SubPixelHorizontalRGB;
1745 drm_connector_attach_property(&radeon_connector->base,
1746 rdev->mode_info.coherent_mode_property,
1748 if (ASIC_IS_AVIVO(rdev)) {
1749 drm_connector_attach_property(&radeon_connector->base,
1750 rdev->mode_info.underscan_property,
1752 drm_connector_attach_property(&radeon_connector->base,
1753 rdev->mode_info.underscan_hborder_property,
1755 drm_connector_attach_property(&radeon_connector->base,
1756 rdev->mode_info.underscan_vborder_property,
1759 connector->interlace_allowed = true;
1760 /* in theory with a DP to VGA converter... */
1761 connector->doublescan_allowed = false;
1763 case DRM_MODE_CONNECTOR_eDP:
1764 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1765 if (!radeon_dig_connector)
1767 radeon_dig_connector->igp_lane_info = igp_lane_info;
1768 radeon_connector->con_priv = radeon_dig_connector;
1769 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1770 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1771 if (i2c_bus->valid) {
1772 /* add DP i2c bus */
1773 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1774 if (!radeon_dig_connector->dp_i2c_bus)
1775 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1776 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1777 if (!radeon_connector->ddc_bus)
1778 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1780 drm_connector_attach_property(&radeon_connector->base,
1781 dev->mode_config.scaling_mode_property,
1782 DRM_MODE_SCALE_FULLSCREEN);
1783 subpixel_order = SubPixelHorizontalRGB;
1784 connector->interlace_allowed = false;
1785 connector->doublescan_allowed = false;
1787 case DRM_MODE_CONNECTOR_SVIDEO:
1788 case DRM_MODE_CONNECTOR_Composite:
1789 case DRM_MODE_CONNECTOR_9PinDIN:
1790 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1791 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1792 radeon_connector->dac_load_detect = true;
1793 drm_connector_attach_property(&radeon_connector->base,
1794 rdev->mode_info.load_detect_property,
1796 drm_connector_attach_property(&radeon_connector->base,
1797 rdev->mode_info.tv_std_property,
1798 radeon_atombios_get_tv_info(rdev));
1799 /* no HPD on analog connectors */
1800 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1801 connector->interlace_allowed = false;
1802 connector->doublescan_allowed = false;
1804 case DRM_MODE_CONNECTOR_LVDS:
1805 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1806 if (!radeon_dig_connector)
1808 radeon_dig_connector->igp_lane_info = igp_lane_info;
1809 radeon_connector->con_priv = radeon_dig_connector;
1810 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1811 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1812 if (i2c_bus->valid) {
1813 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1814 if (!radeon_connector->ddc_bus)
1815 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1817 drm_connector_attach_property(&radeon_connector->base,
1818 dev->mode_config.scaling_mode_property,
1819 DRM_MODE_SCALE_FULLSCREEN);
1820 subpixel_order = SubPixelHorizontalRGB;
1821 connector->interlace_allowed = false;
1822 connector->doublescan_allowed = false;
1827 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1829 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1831 connector->polled = DRM_CONNECTOR_POLL_HPD;
1833 connector->display_info.subpixel_order = subpixel_order;
1834 drm_sysfs_connector_add(connector);
1838 drm_connector_cleanup(connector);
1843 radeon_add_legacy_connector(struct drm_device *dev,
1844 uint32_t connector_id,
1845 uint32_t supported_device,
1847 struct radeon_i2c_bus_rec *i2c_bus,
1848 uint16_t connector_object_id,
1849 struct radeon_hpd *hpd)
1851 struct radeon_device *rdev = dev->dev_private;
1852 struct drm_connector *connector;
1853 struct radeon_connector *radeon_connector;
1854 uint32_t subpixel_order = SubPixelNone;
1856 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1859 /* if the user selected tv=0 don't try and add the connector */
1860 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1861 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1862 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1866 /* see if we already added it */
1867 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1868 radeon_connector = to_radeon_connector(connector);
1869 if (radeon_connector->connector_id == connector_id) {
1870 radeon_connector->devices |= supported_device;
1875 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1876 if (!radeon_connector)
1879 connector = &radeon_connector->base;
1881 radeon_connector->connector_id = connector_id;
1882 radeon_connector->devices = supported_device;
1883 radeon_connector->connector_object_id = connector_object_id;
1884 radeon_connector->hpd = *hpd;
1886 switch (connector_type) {
1887 case DRM_MODE_CONNECTOR_VGA:
1888 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1889 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1890 if (i2c_bus->valid) {
1891 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1892 if (!radeon_connector->ddc_bus)
1893 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1895 radeon_connector->dac_load_detect = true;
1896 drm_connector_attach_property(&radeon_connector->base,
1897 rdev->mode_info.load_detect_property,
1899 /* no HPD on analog connectors */
1900 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1901 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1902 connector->interlace_allowed = true;
1903 connector->doublescan_allowed = true;
1905 case DRM_MODE_CONNECTOR_DVIA:
1906 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1907 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1908 if (i2c_bus->valid) {
1909 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1910 if (!radeon_connector->ddc_bus)
1911 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1913 radeon_connector->dac_load_detect = true;
1914 drm_connector_attach_property(&radeon_connector->base,
1915 rdev->mode_info.load_detect_property,
1917 /* no HPD on analog connectors */
1918 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1919 connector->interlace_allowed = true;
1920 connector->doublescan_allowed = true;
1922 case DRM_MODE_CONNECTOR_DVII:
1923 case DRM_MODE_CONNECTOR_DVID:
1924 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1925 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1926 if (i2c_bus->valid) {
1927 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1928 if (!radeon_connector->ddc_bus)
1929 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1931 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1932 radeon_connector->dac_load_detect = true;
1933 drm_connector_attach_property(&radeon_connector->base,
1934 rdev->mode_info.load_detect_property,
1937 subpixel_order = SubPixelHorizontalRGB;
1938 connector->interlace_allowed = true;
1939 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1940 connector->doublescan_allowed = true;
1942 connector->doublescan_allowed = false;
1944 case DRM_MODE_CONNECTOR_SVIDEO:
1945 case DRM_MODE_CONNECTOR_Composite:
1946 case DRM_MODE_CONNECTOR_9PinDIN:
1947 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1948 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1949 radeon_connector->dac_load_detect = true;
1950 /* RS400,RC410,RS480 chipset seems to report a lot
1951 * of false positive on load detect, we haven't yet
1952 * found a way to make load detect reliable on those
1953 * chipset, thus just disable it for TV.
1955 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1956 radeon_connector->dac_load_detect = false;
1957 drm_connector_attach_property(&radeon_connector->base,
1958 rdev->mode_info.load_detect_property,
1959 radeon_connector->dac_load_detect);
1960 drm_connector_attach_property(&radeon_connector->base,
1961 rdev->mode_info.tv_std_property,
1962 radeon_combios_get_tv_info(rdev));
1963 /* no HPD on analog connectors */
1964 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1965 connector->interlace_allowed = false;
1966 connector->doublescan_allowed = false;
1968 case DRM_MODE_CONNECTOR_LVDS:
1969 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1970 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1971 if (i2c_bus->valid) {
1972 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1973 if (!radeon_connector->ddc_bus)
1974 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1976 drm_connector_attach_property(&radeon_connector->base,
1977 dev->mode_config.scaling_mode_property,
1978 DRM_MODE_SCALE_FULLSCREEN);
1979 subpixel_order = SubPixelHorizontalRGB;
1980 connector->interlace_allowed = false;
1981 connector->doublescan_allowed = false;
1985 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1987 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1989 connector->polled = DRM_CONNECTOR_POLL_HPD;
1990 connector->display_info.subpixel_order = subpixel_order;
1991 drm_sysfs_connector_add(connector);
1992 if (connector_type == DRM_MODE_CONNECTOR_LVDS) {
1993 struct drm_encoder *drm_encoder;
1995 list_for_each_entry(drm_encoder, &dev->mode_config.encoder_list, head) {
1996 struct radeon_encoder *radeon_encoder;
1998 radeon_encoder = to_radeon_encoder(drm_encoder);
1999 if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_LVDS)
2000 radeon_legacy_backlight_init(radeon_encoder, connector);