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 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
90 struct drm_device *dev = connector->dev;
91 struct radeon_device *rdev = dev->dev_private;
92 struct drm_encoder *best_encoder = NULL;
93 struct drm_encoder *encoder = NULL;
94 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
95 struct drm_mode_object *obj;
99 best_encoder = connector_funcs->best_encoder(connector);
101 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
102 if (connector->encoder_ids[i] == 0)
105 obj = drm_mode_object_find(connector->dev,
106 connector->encoder_ids[i],
107 DRM_MODE_OBJECT_ENCODER);
111 encoder = obj_to_encoder(obj);
113 if ((encoder == best_encoder) && (status == connector_status_connected))
118 if (rdev->is_atom_bios)
119 radeon_atombios_connected_scratch_regs(connector, encoder, connected);
121 radeon_combios_connected_scratch_regs(connector, encoder, connected);
126 struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
128 struct drm_mode_object *obj;
129 struct drm_encoder *encoder;
132 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
133 if (connector->encoder_ids[i] == 0)
136 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
140 encoder = obj_to_encoder(obj);
141 if (encoder->encoder_type == encoder_type)
147 struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
149 int enc_id = connector->encoder_ids[0];
150 struct drm_mode_object *obj;
151 struct drm_encoder *encoder;
153 /* pick the encoder ids */
155 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
158 encoder = obj_to_encoder(obj);
165 * radeon_connector_analog_encoder_conflict_solve
166 * - search for other connectors sharing this encoder
167 * if priority is true, then set them disconnected if this is connected
168 * if priority is false, set us disconnected if they are connected
170 static enum drm_connector_status
171 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
172 struct drm_encoder *encoder,
173 enum drm_connector_status current_status,
176 struct drm_device *dev = connector->dev;
177 struct drm_connector *conflict;
178 struct radeon_connector *radeon_conflict;
181 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
182 if (conflict == connector)
185 radeon_conflict = to_radeon_connector(conflict);
186 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
187 if (conflict->encoder_ids[i] == 0)
190 /* if the IDs match */
191 if (conflict->encoder_ids[i] == encoder->base.id) {
192 if (conflict->status != connector_status_connected)
195 if (radeon_conflict->use_digital)
198 if (priority == true) {
199 DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
200 DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(connector));
201 conflict->status = connector_status_disconnected;
202 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
204 DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
205 DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict));
206 current_status = connector_status_disconnected;
212 return current_status;
216 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
218 struct drm_device *dev = encoder->dev;
219 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
220 struct drm_display_mode *mode = NULL;
221 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
223 if (native_mode->hdisplay != 0 &&
224 native_mode->vdisplay != 0 &&
225 native_mode->clock != 0) {
226 mode = drm_mode_duplicate(dev, native_mode);
227 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
228 drm_mode_set_name(mode);
230 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
231 } else if (native_mode->hdisplay != 0 &&
232 native_mode->vdisplay != 0) {
233 /* mac laptops without an edid */
234 /* Note that this is not necessarily the exact panel mode,
235 * but an approximation based on the cvt formula. For these
236 * systems we should ideally read the mode info out of the
237 * registers or add a mode table, but this works and is much
240 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
241 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
242 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
247 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
249 struct drm_device *dev = encoder->dev;
250 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
251 struct drm_display_mode *mode = NULL;
252 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
257 } common_modes[17] = {
277 for (i = 0; i < 17; i++) {
278 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
279 if (common_modes[i].w > 1024 ||
280 common_modes[i].h > 768)
283 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
284 if (common_modes[i].w > native_mode->hdisplay ||
285 common_modes[i].h > native_mode->vdisplay ||
286 (common_modes[i].w == native_mode->hdisplay &&
287 common_modes[i].h == native_mode->vdisplay))
290 if (common_modes[i].w < 320 || common_modes[i].h < 200)
293 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
294 drm_mode_probed_add(connector, mode);
298 int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
301 struct drm_device *dev = connector->dev;
302 struct radeon_device *rdev = dev->dev_private;
303 struct drm_encoder *encoder;
304 struct radeon_encoder *radeon_encoder;
306 if (property == rdev->mode_info.coherent_mode_property) {
307 struct radeon_encoder_atom_dig *dig;
308 bool new_coherent_mode;
310 /* need to find digital encoder on connector */
311 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
315 radeon_encoder = to_radeon_encoder(encoder);
317 if (!radeon_encoder->enc_priv)
320 dig = radeon_encoder->enc_priv;
321 new_coherent_mode = val ? true : false;
322 if (dig->coherent_mode != new_coherent_mode) {
323 dig->coherent_mode = new_coherent_mode;
324 radeon_property_change_mode(&radeon_encoder->base);
328 if (property == rdev->mode_info.underscan_property) {
329 /* need to find digital encoder on connector */
330 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
334 radeon_encoder = to_radeon_encoder(encoder);
336 if (radeon_encoder->underscan_type != val) {
337 radeon_encoder->underscan_type = val;
338 radeon_property_change_mode(&radeon_encoder->base);
342 if (property == rdev->mode_info.underscan_hborder_property) {
343 /* need to find digital encoder on connector */
344 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
348 radeon_encoder = to_radeon_encoder(encoder);
350 if (radeon_encoder->underscan_hborder != val) {
351 radeon_encoder->underscan_hborder = val;
352 radeon_property_change_mode(&radeon_encoder->base);
356 if (property == rdev->mode_info.underscan_vborder_property) {
357 /* need to find digital encoder on connector */
358 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
362 radeon_encoder = to_radeon_encoder(encoder);
364 if (radeon_encoder->underscan_vborder != val) {
365 radeon_encoder->underscan_vborder = val;
366 radeon_property_change_mode(&radeon_encoder->base);
370 if (property == rdev->mode_info.tv_std_property) {
371 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
373 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
379 radeon_encoder = to_radeon_encoder(encoder);
380 if (!radeon_encoder->enc_priv)
382 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
383 struct radeon_encoder_atom_dac *dac_int;
384 dac_int = radeon_encoder->enc_priv;
385 dac_int->tv_std = val;
387 struct radeon_encoder_tv_dac *dac_int;
388 dac_int = radeon_encoder->enc_priv;
389 dac_int->tv_std = val;
391 radeon_property_change_mode(&radeon_encoder->base);
394 if (property == rdev->mode_info.load_detect_property) {
395 struct radeon_connector *radeon_connector =
396 to_radeon_connector(connector);
399 radeon_connector->dac_load_detect = false;
401 radeon_connector->dac_load_detect = true;
404 if (property == rdev->mode_info.tmds_pll_property) {
405 struct radeon_encoder_int_tmds *tmds = NULL;
407 /* need to find digital encoder on connector */
408 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
412 radeon_encoder = to_radeon_encoder(encoder);
414 tmds = radeon_encoder->enc_priv;
419 if (rdev->is_atom_bios)
420 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
422 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
424 if (val == 1 || ret == false) {
425 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
427 radeon_property_change_mode(&radeon_encoder->base);
433 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
434 struct drm_connector *connector)
436 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
437 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
438 struct drm_display_mode *t, *mode;
440 /* If the EDID preferred mode doesn't match the native mode, use it */
441 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
442 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
443 if (mode->hdisplay != native_mode->hdisplay ||
444 mode->vdisplay != native_mode->vdisplay)
445 memcpy(native_mode, mode, sizeof(*mode));
449 /* Try to get native mode details from EDID if necessary */
450 if (!native_mode->clock) {
451 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
452 if (mode->hdisplay == native_mode->hdisplay &&
453 mode->vdisplay == native_mode->vdisplay) {
454 *native_mode = *mode;
455 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
456 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
462 if (!native_mode->clock) {
463 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
464 radeon_encoder->rmx_type = RMX_OFF;
468 static int radeon_lvds_get_modes(struct drm_connector *connector)
470 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
471 struct drm_encoder *encoder;
473 struct drm_display_mode *mode;
475 if (radeon_connector->ddc_bus) {
476 ret = radeon_ddc_get_modes(radeon_connector);
478 encoder = radeon_best_single_encoder(connector);
480 radeon_fixup_lvds_native_mode(encoder, connector);
481 /* add scaled modes */
482 radeon_add_common_modes(encoder, connector);
488 encoder = radeon_best_single_encoder(connector);
492 /* we have no EDID modes */
493 mode = radeon_fp_native_mode(encoder);
496 drm_mode_probed_add(connector, mode);
497 /* add the width/height from vbios tables if available */
498 connector->display_info.width_mm = mode->width_mm;
499 connector->display_info.height_mm = mode->height_mm;
500 /* add scaled modes */
501 radeon_add_common_modes(encoder, connector);
507 static int radeon_lvds_mode_valid(struct drm_connector *connector,
508 struct drm_display_mode *mode)
510 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
512 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
516 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
517 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
519 /* AVIVO hardware supports downscaling modes larger than the panel
520 * to the panel size, but I'm not sure this is desirable.
522 if ((mode->hdisplay > native_mode->hdisplay) ||
523 (mode->vdisplay > native_mode->vdisplay))
526 /* if scaling is disabled, block non-native modes */
527 if (radeon_encoder->rmx_type == RMX_OFF) {
528 if ((mode->hdisplay != native_mode->hdisplay) ||
529 (mode->vdisplay != native_mode->vdisplay))
537 static enum drm_connector_status
538 radeon_lvds_detect(struct drm_connector *connector, bool force)
540 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
541 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
542 enum drm_connector_status ret = connector_status_disconnected;
545 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
546 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
548 /* check if panel is valid */
549 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
550 ret = connector_status_connected;
554 /* check for edid as well */
555 if (radeon_connector->edid)
556 ret = connector_status_connected;
558 if (radeon_connector->ddc_bus) {
559 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
560 &radeon_connector->ddc_bus->adapter);
561 if (radeon_connector->edid)
562 ret = connector_status_connected;
565 /* check acpi lid status ??? */
567 radeon_connector_update_scratch_regs(connector, ret);
571 static void radeon_connector_destroy(struct drm_connector *connector)
573 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
575 if (radeon_connector->edid)
576 kfree(radeon_connector->edid);
577 kfree(radeon_connector->con_priv);
578 drm_sysfs_connector_remove(connector);
579 drm_connector_cleanup(connector);
583 static int radeon_lvds_set_property(struct drm_connector *connector,
584 struct drm_property *property,
587 struct drm_device *dev = connector->dev;
588 struct radeon_encoder *radeon_encoder;
589 enum radeon_rmx_type rmx_type;
592 if (property != dev->mode_config.scaling_mode_property)
595 if (connector->encoder)
596 radeon_encoder = to_radeon_encoder(connector->encoder);
598 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
599 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
603 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
604 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
605 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
607 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
609 if (radeon_encoder->rmx_type == rmx_type)
612 radeon_encoder->rmx_type = rmx_type;
614 radeon_property_change_mode(&radeon_encoder->base);
619 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
620 .get_modes = radeon_lvds_get_modes,
621 .mode_valid = radeon_lvds_mode_valid,
622 .best_encoder = radeon_best_single_encoder,
625 struct drm_connector_funcs radeon_lvds_connector_funcs = {
626 .dpms = drm_helper_connector_dpms,
627 .detect = radeon_lvds_detect,
628 .fill_modes = drm_helper_probe_single_connector_modes,
629 .destroy = radeon_connector_destroy,
630 .set_property = radeon_lvds_set_property,
633 static int radeon_vga_get_modes(struct drm_connector *connector)
635 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
638 ret = radeon_ddc_get_modes(radeon_connector);
643 static int radeon_vga_mode_valid(struct drm_connector *connector,
644 struct drm_display_mode *mode)
646 struct drm_device *dev = connector->dev;
647 struct radeon_device *rdev = dev->dev_private;
649 /* XXX check mode bandwidth */
651 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
652 return MODE_CLOCK_HIGH;
657 static enum drm_connector_status
658 radeon_vga_detect(struct drm_connector *connector, bool force)
660 struct drm_device *dev = connector->dev;
661 struct radeon_device *rdev = dev->dev_private;
662 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
663 struct drm_encoder *encoder;
664 struct drm_encoder_helper_funcs *encoder_funcs;
666 enum drm_connector_status ret = connector_status_disconnected;
668 encoder = radeon_best_single_encoder(connector);
670 ret = connector_status_disconnected;
672 if (radeon_connector->ddc_bus)
673 dret = radeon_ddc_probe(radeon_connector);
675 radeon_connector->detected_by_load = false;
676 if (radeon_connector->edid) {
677 kfree(radeon_connector->edid);
678 radeon_connector->edid = NULL;
680 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
682 if (!radeon_connector->edid) {
683 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
684 drm_get_connector_name(connector));
685 ret = connector_status_connected;
687 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
689 /* some oems have boards with separate digital and analog connectors
690 * with a shared ddc line (often vga + hdmi)
692 if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
693 kfree(radeon_connector->edid);
694 radeon_connector->edid = NULL;
695 ret = connector_status_disconnected;
697 ret = connector_status_connected;
701 /* if we aren't forcing don't do destructive polling */
703 /* only return the previous status if we last
704 * detected a monitor via load.
706 if (radeon_connector->detected_by_load)
707 return connector->status;
712 if (radeon_connector->dac_load_detect && encoder) {
713 encoder_funcs = encoder->helper_private;
714 ret = encoder_funcs->detect(encoder, connector);
715 if (ret != connector_status_disconnected)
716 radeon_connector->detected_by_load = true;
720 if (ret == connector_status_connected)
721 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
723 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
724 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
725 * by other means, assume the CRT is connected and use that EDID.
727 if ((!rdev->is_atom_bios) &&
728 (ret == connector_status_disconnected) &&
729 rdev->mode_info.bios_hardcoded_edid_size) {
730 ret = connector_status_connected;
733 radeon_connector_update_scratch_regs(connector, ret);
737 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
738 .get_modes = radeon_vga_get_modes,
739 .mode_valid = radeon_vga_mode_valid,
740 .best_encoder = radeon_best_single_encoder,
743 struct drm_connector_funcs radeon_vga_connector_funcs = {
744 .dpms = drm_helper_connector_dpms,
745 .detect = radeon_vga_detect,
746 .fill_modes = drm_helper_probe_single_connector_modes,
747 .destroy = radeon_connector_destroy,
748 .set_property = radeon_connector_set_property,
751 static int radeon_tv_get_modes(struct drm_connector *connector)
753 struct drm_device *dev = connector->dev;
754 struct radeon_device *rdev = dev->dev_private;
755 struct drm_display_mode *tv_mode;
756 struct drm_encoder *encoder;
758 encoder = radeon_best_single_encoder(connector);
762 /* avivo chips can scale any mode */
763 if (rdev->family >= CHIP_RS600)
764 /* add scaled modes */
765 radeon_add_common_modes(encoder, connector);
767 /* only 800x600 is supported right now on pre-avivo chips */
768 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
769 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
770 drm_mode_probed_add(connector, tv_mode);
775 static int radeon_tv_mode_valid(struct drm_connector *connector,
776 struct drm_display_mode *mode)
778 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
779 return MODE_CLOCK_RANGE;
783 static enum drm_connector_status
784 radeon_tv_detect(struct drm_connector *connector, bool force)
786 struct drm_encoder *encoder;
787 struct drm_encoder_helper_funcs *encoder_funcs;
788 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
789 enum drm_connector_status ret = connector_status_disconnected;
791 if (!radeon_connector->dac_load_detect)
794 encoder = radeon_best_single_encoder(connector);
796 ret = connector_status_disconnected;
798 encoder_funcs = encoder->helper_private;
799 ret = encoder_funcs->detect(encoder, connector);
801 if (ret == connector_status_connected)
802 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
803 radeon_connector_update_scratch_regs(connector, ret);
807 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
808 .get_modes = radeon_tv_get_modes,
809 .mode_valid = radeon_tv_mode_valid,
810 .best_encoder = radeon_best_single_encoder,
813 struct drm_connector_funcs radeon_tv_connector_funcs = {
814 .dpms = drm_helper_connector_dpms,
815 .detect = radeon_tv_detect,
816 .fill_modes = drm_helper_probe_single_connector_modes,
817 .destroy = radeon_connector_destroy,
818 .set_property = radeon_connector_set_property,
821 static int radeon_dvi_get_modes(struct drm_connector *connector)
823 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
826 ret = radeon_ddc_get_modes(radeon_connector);
830 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
832 struct drm_device *dev = connector->dev;
833 struct radeon_device *rdev = dev->dev_private;
834 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
835 enum drm_connector_status status;
837 /* We only trust HPD on R600 and newer ASICS. */
838 if (rdev->family >= CHIP_R600
839 && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
840 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
841 status = connector_status_connected;
843 status = connector_status_disconnected;
844 if (connector->status == status)
853 * Do a DDC probe, if DDC probe passes, get the full EDID so
854 * we can do analog/digital monitor detection at this point.
855 * If the monitor is an analog monitor or we got no DDC,
856 * we need to find the DAC encoder object for this connector.
857 * If we got no DDC, we do load detection on the DAC encoder object.
858 * If we got analog DDC or load detection passes on the DAC encoder
859 * we have to check if this analog encoder is shared with anyone else (TV)
860 * if its shared we have to set the other connector to disconnected.
862 static enum drm_connector_status
863 radeon_dvi_detect(struct drm_connector *connector, bool force)
865 struct drm_device *dev = connector->dev;
866 struct radeon_device *rdev = dev->dev_private;
867 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
868 struct drm_encoder *encoder = NULL;
869 struct drm_encoder_helper_funcs *encoder_funcs;
870 struct drm_mode_object *obj;
872 enum drm_connector_status ret = connector_status_disconnected;
875 if (!force && radeon_check_hpd_status_unchanged(connector))
876 return connector->status;
878 if (radeon_connector->ddc_bus)
879 dret = radeon_ddc_probe(radeon_connector);
881 radeon_connector->detected_by_load = false;
882 if (radeon_connector->edid) {
883 kfree(radeon_connector->edid);
884 radeon_connector->edid = NULL;
886 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
888 if (!radeon_connector->edid) {
889 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
890 drm_get_connector_name(connector));
891 /* rs690 seems to have a problem with connectors not existing and always
892 * return a block of 0's. If we see this just stop polling on this output */
893 if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && radeon_connector->base.null_edid_counter) {
894 ret = connector_status_disconnected;
895 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector));
896 radeon_connector->ddc_bus = NULL;
899 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
901 /* some oems have boards with separate digital and analog connectors
902 * with a shared ddc line (often vga + hdmi)
904 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
905 kfree(radeon_connector->edid);
906 radeon_connector->edid = NULL;
907 ret = connector_status_disconnected;
909 ret = connector_status_connected;
911 /* This gets complicated. We have boards with VGA + HDMI with a
912 * shared DDC line and we have boards with DVI-D + HDMI with a shared
913 * DDC line. The latter is more complex because with DVI<->HDMI adapters
914 * you don't really know what's connected to which port as both are digital.
916 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
917 struct drm_connector *list_connector;
918 struct radeon_connector *list_radeon_connector;
919 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
920 if (connector == list_connector)
922 list_radeon_connector = to_radeon_connector(list_connector);
923 if (list_radeon_connector->shared_ddc &&
924 (list_radeon_connector->ddc_bus->rec.i2c_id ==
925 radeon_connector->ddc_bus->rec.i2c_id)) {
926 /* cases where both connectors are digital */
927 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
928 /* hpd is our only option in this case */
929 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
930 kfree(radeon_connector->edid);
931 radeon_connector->edid = NULL;
932 ret = connector_status_disconnected;
941 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
944 /* DVI-D and HDMI-A are digital only */
945 if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
946 (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
949 /* if we aren't forcing don't do destructive polling */
951 /* only return the previous status if we last
952 * detected a monitor via load.
954 if (radeon_connector->detected_by_load)
955 ret = connector->status;
959 /* find analog encoder */
960 if (radeon_connector->dac_load_detect) {
961 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
962 if (connector->encoder_ids[i] == 0)
965 obj = drm_mode_object_find(connector->dev,
966 connector->encoder_ids[i],
967 DRM_MODE_OBJECT_ENCODER);
971 encoder = obj_to_encoder(obj);
973 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
974 encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
977 encoder_funcs = encoder->helper_private;
978 if (encoder_funcs->detect) {
979 if (ret != connector_status_connected) {
980 ret = encoder_funcs->detect(encoder, connector);
981 if (ret == connector_status_connected) {
982 radeon_connector->use_digital = false;
984 if (ret != connector_status_disconnected)
985 radeon_connector->detected_by_load = true;
992 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
994 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
997 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
998 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
999 * by other means, assume the DFP is connected and use that EDID. In most
1000 * cases the DVI port is actually a virtual KVM port connected to the service
1004 if ((!rdev->is_atom_bios) &&
1005 (ret == connector_status_disconnected) &&
1006 rdev->mode_info.bios_hardcoded_edid_size) {
1007 radeon_connector->use_digital = true;
1008 ret = connector_status_connected;
1011 /* updated in get modes as well since we need to know if it's analog or digital */
1012 radeon_connector_update_scratch_regs(connector, ret);
1016 /* okay need to be smart in here about which encoder to pick */
1017 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1019 int enc_id = connector->encoder_ids[0];
1020 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1021 struct drm_mode_object *obj;
1022 struct drm_encoder *encoder;
1024 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1025 if (connector->encoder_ids[i] == 0)
1028 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1032 encoder = obj_to_encoder(obj);
1034 if (radeon_connector->use_digital == true) {
1035 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1038 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1039 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1044 /* see if we have a default encoder TODO */
1046 /* then check use digitial */
1047 /* pick the first one */
1049 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
1052 encoder = obj_to_encoder(obj);
1058 static void radeon_dvi_force(struct drm_connector *connector)
1060 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1061 if (connector->force == DRM_FORCE_ON)
1062 radeon_connector->use_digital = false;
1063 if (connector->force == DRM_FORCE_ON_DIGITAL)
1064 radeon_connector->use_digital = true;
1067 static int radeon_dvi_mode_valid(struct drm_connector *connector,
1068 struct drm_display_mode *mode)
1070 struct drm_device *dev = connector->dev;
1071 struct radeon_device *rdev = dev->dev_private;
1072 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1074 /* XXX check mode bandwidth */
1076 /* clocks over 135 MHz have heat issues with DVI on RV100 */
1077 if (radeon_connector->use_digital &&
1078 (rdev->family == CHIP_RV100) &&
1079 (mode->clock > 135000))
1080 return MODE_CLOCK_HIGH;
1082 if (radeon_connector->use_digital && (mode->clock > 165000)) {
1083 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1084 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1085 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1087 else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) {
1088 if (ASIC_IS_DCE6(rdev)) {
1089 /* HDMI 1.3+ supports max clock of 340 Mhz */
1090 if (mode->clock > 340000)
1091 return MODE_CLOCK_HIGH;
1095 return MODE_CLOCK_HIGH;
1097 return MODE_CLOCK_HIGH;
1100 /* check against the max pixel clock */
1101 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1102 return MODE_CLOCK_HIGH;
1107 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1108 .get_modes = radeon_dvi_get_modes,
1109 .mode_valid = radeon_dvi_mode_valid,
1110 .best_encoder = radeon_dvi_encoder,
1113 struct drm_connector_funcs radeon_dvi_connector_funcs = {
1114 .dpms = drm_helper_connector_dpms,
1115 .detect = radeon_dvi_detect,
1116 .fill_modes = drm_helper_probe_single_connector_modes,
1117 .set_property = radeon_connector_set_property,
1118 .destroy = radeon_connector_destroy,
1119 .force = radeon_dvi_force,
1122 static void radeon_dp_connector_destroy(struct drm_connector *connector)
1124 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1125 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1127 if (radeon_connector->edid)
1128 kfree(radeon_connector->edid);
1129 if (radeon_dig_connector->dp_i2c_bus)
1130 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
1131 kfree(radeon_connector->con_priv);
1132 drm_sysfs_connector_remove(connector);
1133 drm_connector_cleanup(connector);
1137 static int radeon_dp_get_modes(struct drm_connector *connector)
1139 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1140 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1141 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1144 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1145 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1146 struct drm_display_mode *mode;
1148 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1149 if (!radeon_dig_connector->edp_on)
1150 atombios_set_edp_panel_power(connector,
1151 ATOM_TRANSMITTER_ACTION_POWER_ON);
1152 ret = radeon_ddc_get_modes(radeon_connector);
1153 if (!radeon_dig_connector->edp_on)
1154 atombios_set_edp_panel_power(connector,
1155 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1157 /* need to setup ddc on the bridge */
1158 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1159 ENCODER_OBJECT_ID_NONE) {
1161 radeon_atom_ext_encoder_setup_ddc(encoder);
1163 ret = radeon_ddc_get_modes(radeon_connector);
1168 radeon_fixup_lvds_native_mode(encoder, connector);
1169 /* add scaled modes */
1170 radeon_add_common_modes(encoder, connector);
1178 /* we have no EDID modes */
1179 mode = radeon_fp_native_mode(encoder);
1182 drm_mode_probed_add(connector, mode);
1183 /* add the width/height from vbios tables if available */
1184 connector->display_info.width_mm = mode->width_mm;
1185 connector->display_info.height_mm = mode->height_mm;
1186 /* add scaled modes */
1187 radeon_add_common_modes(encoder, connector);
1190 /* need to setup ddc on the bridge */
1191 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1192 ENCODER_OBJECT_ID_NONE) {
1194 radeon_atom_ext_encoder_setup_ddc(encoder);
1196 ret = radeon_ddc_get_modes(radeon_connector);
1202 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1204 struct drm_mode_object *obj;
1205 struct drm_encoder *encoder;
1206 struct radeon_encoder *radeon_encoder;
1209 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1210 if (connector->encoder_ids[i] == 0)
1213 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1217 encoder = obj_to_encoder(obj);
1218 radeon_encoder = to_radeon_encoder(encoder);
1220 switch (radeon_encoder->encoder_id) {
1221 case ENCODER_OBJECT_ID_TRAVIS:
1222 case ENCODER_OBJECT_ID_NUTMEG:
1223 return radeon_encoder->encoder_id;
1229 return ENCODER_OBJECT_ID_NONE;
1232 bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1234 struct drm_mode_object *obj;
1235 struct drm_encoder *encoder;
1236 struct radeon_encoder *radeon_encoder;
1240 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1241 if (connector->encoder_ids[i] == 0)
1244 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1248 encoder = obj_to_encoder(obj);
1249 radeon_encoder = to_radeon_encoder(encoder);
1250 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1257 bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1259 struct drm_device *dev = connector->dev;
1260 struct radeon_device *rdev = dev->dev_private;
1262 if (ASIC_IS_DCE5(rdev) &&
1263 (rdev->clock.dp_extclk >= 53900) &&
1264 radeon_connector_encoder_is_hbr2(connector)) {
1271 static enum drm_connector_status
1272 radeon_dp_detect(struct drm_connector *connector, bool force)
1274 struct drm_device *dev = connector->dev;
1275 struct radeon_device *rdev = dev->dev_private;
1276 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1277 enum drm_connector_status ret = connector_status_disconnected;
1278 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1279 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1281 if (!force && radeon_check_hpd_status_unchanged(connector))
1282 return connector->status;
1284 if (radeon_connector->edid) {
1285 kfree(radeon_connector->edid);
1286 radeon_connector->edid = NULL;
1289 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1290 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1292 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1293 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1295 /* check if panel is valid */
1296 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1297 ret = connector_status_connected;
1299 /* eDP is always DP */
1300 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1301 if (!radeon_dig_connector->edp_on)
1302 atombios_set_edp_panel_power(connector,
1303 ATOM_TRANSMITTER_ACTION_POWER_ON);
1304 if (radeon_dp_getdpcd(radeon_connector))
1305 ret = connector_status_connected;
1306 if (!radeon_dig_connector->edp_on)
1307 atombios_set_edp_panel_power(connector,
1308 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1309 } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1310 ENCODER_OBJECT_ID_NONE) {
1311 /* DP bridges are always DP */
1312 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1313 /* get the DPCD from the bridge */
1314 radeon_dp_getdpcd(radeon_connector);
1317 /* setup ddc on the bridge */
1318 radeon_atom_ext_encoder_setup_ddc(encoder);
1319 if (radeon_ddc_probe(radeon_connector)) /* try DDC */
1320 ret = connector_status_connected;
1321 else if (radeon_connector->dac_load_detect) { /* try load detection */
1322 struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1323 ret = encoder_funcs->detect(encoder, connector);
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);
1333 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1334 if (radeon_dp_getdpcd(radeon_connector))
1335 ret = connector_status_connected;
1337 if (radeon_ddc_probe(radeon_connector))
1338 ret = connector_status_connected;
1343 radeon_connector_update_scratch_regs(connector, ret);
1347 static int radeon_dp_mode_valid(struct drm_connector *connector,
1348 struct drm_display_mode *mode)
1350 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1351 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1353 /* XXX check mode bandwidth */
1355 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1356 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1357 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1359 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1363 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1364 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1366 /* AVIVO hardware supports downscaling modes larger than the panel
1367 * to the panel size, but I'm not sure this is desirable.
1369 if ((mode->hdisplay > native_mode->hdisplay) ||
1370 (mode->vdisplay > native_mode->vdisplay))
1373 /* if scaling is disabled, block non-native modes */
1374 if (radeon_encoder->rmx_type == RMX_OFF) {
1375 if ((mode->hdisplay != native_mode->hdisplay) ||
1376 (mode->vdisplay != native_mode->vdisplay))
1382 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1383 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1384 return radeon_dp_mode_valid_helper(connector, mode);
1390 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1391 .get_modes = radeon_dp_get_modes,
1392 .mode_valid = radeon_dp_mode_valid,
1393 .best_encoder = radeon_dvi_encoder,
1396 struct drm_connector_funcs radeon_dp_connector_funcs = {
1397 .dpms = drm_helper_connector_dpms,
1398 .detect = radeon_dp_detect,
1399 .fill_modes = drm_helper_probe_single_connector_modes,
1400 .set_property = radeon_connector_set_property,
1401 .destroy = radeon_dp_connector_destroy,
1402 .force = radeon_dvi_force,
1406 radeon_add_atom_connector(struct drm_device *dev,
1407 uint32_t connector_id,
1408 uint32_t supported_device,
1410 struct radeon_i2c_bus_rec *i2c_bus,
1411 uint32_t igp_lane_info,
1412 uint16_t connector_object_id,
1413 struct radeon_hpd *hpd,
1414 struct radeon_router *router)
1416 struct radeon_device *rdev = dev->dev_private;
1417 struct drm_connector *connector;
1418 struct radeon_connector *radeon_connector;
1419 struct radeon_connector_atom_dig *radeon_dig_connector;
1420 struct drm_encoder *encoder;
1421 struct radeon_encoder *radeon_encoder;
1422 uint32_t subpixel_order = SubPixelNone;
1423 bool shared_ddc = false;
1424 bool is_dp_bridge = false;
1426 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1429 /* if the user selected tv=0 don't try and add the connector */
1430 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1431 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1432 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1436 /* see if we already added it */
1437 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1438 radeon_connector = to_radeon_connector(connector);
1439 if (radeon_connector->connector_id == connector_id) {
1440 radeon_connector->devices |= supported_device;
1443 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1444 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1445 radeon_connector->shared_ddc = true;
1448 if (radeon_connector->router_bus && router->ddc_valid &&
1449 (radeon_connector->router.router_id == router->router_id)) {
1450 radeon_connector->shared_ddc = false;
1456 /* check if it's a dp bridge */
1457 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1458 radeon_encoder = to_radeon_encoder(encoder);
1459 if (radeon_encoder->devices & supported_device) {
1460 switch (radeon_encoder->encoder_id) {
1461 case ENCODER_OBJECT_ID_TRAVIS:
1462 case ENCODER_OBJECT_ID_NUTMEG:
1463 is_dp_bridge = true;
1471 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1472 if (!radeon_connector)
1475 connector = &radeon_connector->base;
1477 radeon_connector->connector_id = connector_id;
1478 radeon_connector->devices = supported_device;
1479 radeon_connector->shared_ddc = shared_ddc;
1480 radeon_connector->connector_object_id = connector_object_id;
1481 radeon_connector->hpd = *hpd;
1483 radeon_connector->router = *router;
1484 if (router->ddc_valid || router->cd_valid) {
1485 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1486 if (!radeon_connector->router_bus)
1487 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1491 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1492 if (!radeon_dig_connector)
1494 radeon_dig_connector->igp_lane_info = igp_lane_info;
1495 radeon_connector->con_priv = radeon_dig_connector;
1496 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1497 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1498 if (i2c_bus->valid) {
1499 /* add DP i2c bus */
1500 if (connector_type == DRM_MODE_CONNECTOR_eDP)
1501 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1503 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1504 if (!radeon_dig_connector->dp_i2c_bus)
1505 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1506 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1507 if (!radeon_connector->ddc_bus)
1508 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1510 switch (connector_type) {
1511 case DRM_MODE_CONNECTOR_VGA:
1512 case DRM_MODE_CONNECTOR_DVIA:
1514 connector->interlace_allowed = true;
1515 connector->doublescan_allowed = true;
1516 radeon_connector->dac_load_detect = true;
1517 drm_connector_attach_property(&radeon_connector->base,
1518 rdev->mode_info.load_detect_property,
1521 case DRM_MODE_CONNECTOR_DVII:
1522 case DRM_MODE_CONNECTOR_DVID:
1523 case DRM_MODE_CONNECTOR_HDMIA:
1524 case DRM_MODE_CONNECTOR_HDMIB:
1525 case DRM_MODE_CONNECTOR_DisplayPort:
1526 drm_connector_attach_property(&radeon_connector->base,
1527 rdev->mode_info.underscan_property,
1529 drm_connector_attach_property(&radeon_connector->base,
1530 rdev->mode_info.underscan_hborder_property,
1532 drm_connector_attach_property(&radeon_connector->base,
1533 rdev->mode_info.underscan_vborder_property,
1535 subpixel_order = SubPixelHorizontalRGB;
1536 connector->interlace_allowed = true;
1537 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1538 connector->doublescan_allowed = true;
1540 connector->doublescan_allowed = false;
1541 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1542 radeon_connector->dac_load_detect = true;
1543 drm_connector_attach_property(&radeon_connector->base,
1544 rdev->mode_info.load_detect_property,
1548 case DRM_MODE_CONNECTOR_LVDS:
1549 case DRM_MODE_CONNECTOR_eDP:
1550 drm_connector_attach_property(&radeon_connector->base,
1551 dev->mode_config.scaling_mode_property,
1552 DRM_MODE_SCALE_FULLSCREEN);
1553 subpixel_order = SubPixelHorizontalRGB;
1554 connector->interlace_allowed = false;
1555 connector->doublescan_allowed = false;
1559 switch (connector_type) {
1560 case DRM_MODE_CONNECTOR_VGA:
1561 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1562 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1563 if (i2c_bus->valid) {
1564 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1565 if (!radeon_connector->ddc_bus)
1566 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1568 radeon_connector->dac_load_detect = true;
1569 drm_connector_attach_property(&radeon_connector->base,
1570 rdev->mode_info.load_detect_property,
1572 /* no HPD on analog connectors */
1573 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1574 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1575 connector->interlace_allowed = true;
1576 connector->doublescan_allowed = true;
1578 case DRM_MODE_CONNECTOR_DVIA:
1579 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1580 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1581 if (i2c_bus->valid) {
1582 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1583 if (!radeon_connector->ddc_bus)
1584 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1586 radeon_connector->dac_load_detect = true;
1587 drm_connector_attach_property(&radeon_connector->base,
1588 rdev->mode_info.load_detect_property,
1590 /* no HPD on analog connectors */
1591 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1592 connector->interlace_allowed = true;
1593 connector->doublescan_allowed = true;
1595 case DRM_MODE_CONNECTOR_DVII:
1596 case DRM_MODE_CONNECTOR_DVID:
1597 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1598 if (!radeon_dig_connector)
1600 radeon_dig_connector->igp_lane_info = igp_lane_info;
1601 radeon_connector->con_priv = radeon_dig_connector;
1602 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1603 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1604 if (i2c_bus->valid) {
1605 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1606 if (!radeon_connector->ddc_bus)
1607 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1609 subpixel_order = SubPixelHorizontalRGB;
1610 drm_connector_attach_property(&radeon_connector->base,
1611 rdev->mode_info.coherent_mode_property,
1613 if (ASIC_IS_AVIVO(rdev)) {
1614 drm_connector_attach_property(&radeon_connector->base,
1615 rdev->mode_info.underscan_property,
1617 drm_connector_attach_property(&radeon_connector->base,
1618 rdev->mode_info.underscan_hborder_property,
1620 drm_connector_attach_property(&radeon_connector->base,
1621 rdev->mode_info.underscan_vborder_property,
1624 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1625 radeon_connector->dac_load_detect = true;
1626 drm_connector_attach_property(&radeon_connector->base,
1627 rdev->mode_info.load_detect_property,
1630 connector->interlace_allowed = true;
1631 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1632 connector->doublescan_allowed = true;
1634 connector->doublescan_allowed = false;
1636 case DRM_MODE_CONNECTOR_HDMIA:
1637 case DRM_MODE_CONNECTOR_HDMIB:
1638 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1639 if (!radeon_dig_connector)
1641 radeon_dig_connector->igp_lane_info = igp_lane_info;
1642 radeon_connector->con_priv = radeon_dig_connector;
1643 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1644 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1645 if (i2c_bus->valid) {
1646 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1647 if (!radeon_connector->ddc_bus)
1648 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1650 drm_connector_attach_property(&radeon_connector->base,
1651 rdev->mode_info.coherent_mode_property,
1653 if (ASIC_IS_AVIVO(rdev)) {
1654 drm_connector_attach_property(&radeon_connector->base,
1655 rdev->mode_info.underscan_property,
1657 drm_connector_attach_property(&radeon_connector->base,
1658 rdev->mode_info.underscan_hborder_property,
1660 drm_connector_attach_property(&radeon_connector->base,
1661 rdev->mode_info.underscan_vborder_property,
1664 subpixel_order = SubPixelHorizontalRGB;
1665 connector->interlace_allowed = true;
1666 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1667 connector->doublescan_allowed = true;
1669 connector->doublescan_allowed = false;
1671 case DRM_MODE_CONNECTOR_DisplayPort:
1672 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1673 if (!radeon_dig_connector)
1675 radeon_dig_connector->igp_lane_info = igp_lane_info;
1676 radeon_connector->con_priv = radeon_dig_connector;
1677 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1678 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1679 if (i2c_bus->valid) {
1680 /* add DP i2c bus */
1681 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1682 if (!radeon_dig_connector->dp_i2c_bus)
1683 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1684 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1685 if (!radeon_connector->ddc_bus)
1686 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1688 subpixel_order = SubPixelHorizontalRGB;
1689 drm_connector_attach_property(&radeon_connector->base,
1690 rdev->mode_info.coherent_mode_property,
1692 if (ASIC_IS_AVIVO(rdev)) {
1693 drm_connector_attach_property(&radeon_connector->base,
1694 rdev->mode_info.underscan_property,
1696 drm_connector_attach_property(&radeon_connector->base,
1697 rdev->mode_info.underscan_hborder_property,
1699 drm_connector_attach_property(&radeon_connector->base,
1700 rdev->mode_info.underscan_vborder_property,
1703 connector->interlace_allowed = true;
1704 /* in theory with a DP to VGA converter... */
1705 connector->doublescan_allowed = false;
1707 case DRM_MODE_CONNECTOR_eDP:
1708 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1709 if (!radeon_dig_connector)
1711 radeon_dig_connector->igp_lane_info = igp_lane_info;
1712 radeon_connector->con_priv = radeon_dig_connector;
1713 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1714 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1715 if (i2c_bus->valid) {
1716 /* add DP i2c bus */
1717 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1718 if (!radeon_dig_connector->dp_i2c_bus)
1719 DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1720 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1721 if (!radeon_connector->ddc_bus)
1722 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1724 drm_connector_attach_property(&radeon_connector->base,
1725 dev->mode_config.scaling_mode_property,
1726 DRM_MODE_SCALE_FULLSCREEN);
1727 subpixel_order = SubPixelHorizontalRGB;
1728 connector->interlace_allowed = false;
1729 connector->doublescan_allowed = false;
1731 case DRM_MODE_CONNECTOR_SVIDEO:
1732 case DRM_MODE_CONNECTOR_Composite:
1733 case DRM_MODE_CONNECTOR_9PinDIN:
1734 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1735 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1736 radeon_connector->dac_load_detect = true;
1737 drm_connector_attach_property(&radeon_connector->base,
1738 rdev->mode_info.load_detect_property,
1740 drm_connector_attach_property(&radeon_connector->base,
1741 rdev->mode_info.tv_std_property,
1742 radeon_atombios_get_tv_info(rdev));
1743 /* no HPD on analog connectors */
1744 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1745 connector->interlace_allowed = false;
1746 connector->doublescan_allowed = false;
1748 case DRM_MODE_CONNECTOR_LVDS:
1749 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1750 if (!radeon_dig_connector)
1752 radeon_dig_connector->igp_lane_info = igp_lane_info;
1753 radeon_connector->con_priv = radeon_dig_connector;
1754 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1755 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1756 if (i2c_bus->valid) {
1757 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1758 if (!radeon_connector->ddc_bus)
1759 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1761 drm_connector_attach_property(&radeon_connector->base,
1762 dev->mode_config.scaling_mode_property,
1763 DRM_MODE_SCALE_FULLSCREEN);
1764 subpixel_order = SubPixelHorizontalRGB;
1765 connector->interlace_allowed = false;
1766 connector->doublescan_allowed = false;
1771 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1773 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1775 connector->polled = DRM_CONNECTOR_POLL_HPD;
1777 connector->display_info.subpixel_order = subpixel_order;
1778 drm_sysfs_connector_add(connector);
1782 drm_connector_cleanup(connector);
1787 radeon_add_legacy_connector(struct drm_device *dev,
1788 uint32_t connector_id,
1789 uint32_t supported_device,
1791 struct radeon_i2c_bus_rec *i2c_bus,
1792 uint16_t connector_object_id,
1793 struct radeon_hpd *hpd)
1795 struct radeon_device *rdev = dev->dev_private;
1796 struct drm_connector *connector;
1797 struct radeon_connector *radeon_connector;
1798 uint32_t subpixel_order = SubPixelNone;
1800 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1803 /* if the user selected tv=0 don't try and add the connector */
1804 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1805 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1806 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1810 /* see if we already added it */
1811 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1812 radeon_connector = to_radeon_connector(connector);
1813 if (radeon_connector->connector_id == connector_id) {
1814 radeon_connector->devices |= supported_device;
1819 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1820 if (!radeon_connector)
1823 connector = &radeon_connector->base;
1825 radeon_connector->connector_id = connector_id;
1826 radeon_connector->devices = supported_device;
1827 radeon_connector->connector_object_id = connector_object_id;
1828 radeon_connector->hpd = *hpd;
1830 switch (connector_type) {
1831 case DRM_MODE_CONNECTOR_VGA:
1832 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1833 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1834 if (i2c_bus->valid) {
1835 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1836 if (!radeon_connector->ddc_bus)
1837 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1839 radeon_connector->dac_load_detect = true;
1840 drm_connector_attach_property(&radeon_connector->base,
1841 rdev->mode_info.load_detect_property,
1843 /* no HPD on analog connectors */
1844 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1845 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1846 connector->interlace_allowed = true;
1847 connector->doublescan_allowed = true;
1849 case DRM_MODE_CONNECTOR_DVIA:
1850 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1851 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1852 if (i2c_bus->valid) {
1853 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1854 if (!radeon_connector->ddc_bus)
1855 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1857 radeon_connector->dac_load_detect = true;
1858 drm_connector_attach_property(&radeon_connector->base,
1859 rdev->mode_info.load_detect_property,
1861 /* no HPD on analog connectors */
1862 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1863 connector->interlace_allowed = true;
1864 connector->doublescan_allowed = true;
1866 case DRM_MODE_CONNECTOR_DVII:
1867 case DRM_MODE_CONNECTOR_DVID:
1868 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1869 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1870 if (i2c_bus->valid) {
1871 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1872 if (!radeon_connector->ddc_bus)
1873 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1875 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1876 radeon_connector->dac_load_detect = true;
1877 drm_connector_attach_property(&radeon_connector->base,
1878 rdev->mode_info.load_detect_property,
1881 subpixel_order = SubPixelHorizontalRGB;
1882 connector->interlace_allowed = true;
1883 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1884 connector->doublescan_allowed = true;
1886 connector->doublescan_allowed = false;
1888 case DRM_MODE_CONNECTOR_SVIDEO:
1889 case DRM_MODE_CONNECTOR_Composite:
1890 case DRM_MODE_CONNECTOR_9PinDIN:
1891 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1892 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1893 radeon_connector->dac_load_detect = true;
1894 /* RS400,RC410,RS480 chipset seems to report a lot
1895 * of false positive on load detect, we haven't yet
1896 * found a way to make load detect reliable on those
1897 * chipset, thus just disable it for TV.
1899 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1900 radeon_connector->dac_load_detect = false;
1901 drm_connector_attach_property(&radeon_connector->base,
1902 rdev->mode_info.load_detect_property,
1903 radeon_connector->dac_load_detect);
1904 drm_connector_attach_property(&radeon_connector->base,
1905 rdev->mode_info.tv_std_property,
1906 radeon_combios_get_tv_info(rdev));
1907 /* no HPD on analog connectors */
1908 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1909 connector->interlace_allowed = false;
1910 connector->doublescan_allowed = false;
1912 case DRM_MODE_CONNECTOR_LVDS:
1913 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1914 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1915 if (i2c_bus->valid) {
1916 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1917 if (!radeon_connector->ddc_bus)
1918 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1920 drm_connector_attach_property(&radeon_connector->base,
1921 dev->mode_config.scaling_mode_property,
1922 DRM_MODE_SCALE_FULLSCREEN);
1923 subpixel_order = SubPixelHorizontalRGB;
1924 connector->interlace_allowed = false;
1925 connector->doublescan_allowed = false;
1929 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1931 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1933 connector->polled = DRM_CONNECTOR_POLL_HPD;
1934 connector->display_info.subpixel_order = subpixel_order;
1935 drm_sysfs_connector_add(connector);
1936 if (connector_type == DRM_MODE_CONNECTOR_LVDS) {
1937 struct drm_encoder *drm_encoder;
1939 list_for_each_entry(drm_encoder, &dev->mode_config.encoder_list, head) {
1940 struct radeon_encoder *radeon_encoder;
1942 radeon_encoder = to_radeon_encoder(drm_encoder);
1943 if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_LVDS)
1944 radeon_legacy_backlight_init(radeon_encoder, connector);