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Merge tag 'io_uring-5.11-2021-01-16' of git://git.kernel.dk/linux-block
[linux/fpc-iii.git] / drivers / gpu / drm / nouveau / nouveau_connector.c
blob8b4b3688c7ae3a608f0e76d5aec9d54571d94da0
1 /*
2 * Copyright (C) 2008 Maarten Maathuis.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 *
25 */
26
27 #include <acpi/button.h>
28
29 #include <linux/pm_runtime.h>
30 #include <linux/vga_switcheroo.h>
31
32 #include <drm/drm_atomic_helper.h>
33 #include <drm/drm_edid.h>
34 #include <drm/drm_crtc_helper.h>
35 #include <drm/drm_probe_helper.h>
36 #include <drm/drm_atomic.h>
37
38 #include "nouveau_reg.h"
39 #include "nouveau_drv.h"
40 #include "dispnv04/hw.h"
41 #include "dispnv50/disp.h"
42 #include "nouveau_acpi.h"
43
44 #include "nouveau_display.h"
45 #include "nouveau_connector.h"
46 #include "nouveau_encoder.h"
47 #include "nouveau_crtc.h"
48
49 #include <nvif/class.h>
50 #include <nvif/cl0046.h>
51 #include <nvif/event.h>
52
53 struct drm_display_mode *
54 nouveau_conn_native_mode(struct drm_connector *connector)
55 {
56 const struct drm_connector_helper_funcs *helper = connector->helper_private;
57 struct nouveau_drm *drm = nouveau_drm(connector->dev);
58 struct drm_device *dev = connector->dev;
59 struct drm_display_mode *mode, *largest = NULL;
60 int high_w = 0, high_h = 0, high_v = 0;
61
62 list_for_each_entry(mode, &connector->probed_modes, head) {
63 if (helper->mode_valid(connector, mode) != MODE_OK ||
64 (mode->flags & DRM_MODE_FLAG_INTERLACE))
65 continue;
66
67 /* Use preferred mode if there is one.. */
68 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
69 NV_DEBUG(drm, "native mode from preferred\n");
70 return drm_mode_duplicate(dev, mode);
71 }
72
73 /* Otherwise, take the resolution with the largest width, then
74 * height, then vertical refresh
75 */
76 if (mode->hdisplay < high_w)
77 continue;
78
79 if (mode->hdisplay == high_w && mode->vdisplay < high_h)
80 continue;
81
82 if (mode->hdisplay == high_w && mode->vdisplay == high_h &&
83 drm_mode_vrefresh(mode) < high_v)
84 continue;
85
86 high_w = mode->hdisplay;
87 high_h = mode->vdisplay;
88 high_v = drm_mode_vrefresh(mode);
89 largest = mode;
90 }
91
92 NV_DEBUG(drm, "native mode from largest: %dx%d@%d\n",
93 high_w, high_h, high_v);
94 return largest ? drm_mode_duplicate(dev, largest) : NULL;
95 }
96
97 int
98 nouveau_conn_atomic_get_property(struct drm_connector *connector,
99 const struct drm_connector_state *state,
100 struct drm_property *property, u64 *val)
101 {
102 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state);
103 struct nouveau_display *disp = nouveau_display(connector->dev);
104 struct drm_device *dev = connector->dev;
105
106 if (property == dev->mode_config.scaling_mode_property)
107 *val = asyc->scaler.mode;
108 else if (property == disp->underscan_property)
109 *val = asyc->scaler.underscan.mode;
110 else if (property == disp->underscan_hborder_property)
111 *val = asyc->scaler.underscan.hborder;
112 else if (property == disp->underscan_vborder_property)
113 *val = asyc->scaler.underscan.vborder;
114 else if (property == disp->dithering_mode)
115 *val = asyc->dither.mode;
116 else if (property == disp->dithering_depth)
117 *val = asyc->dither.depth;
118 else if (property == disp->vibrant_hue_property)
119 *val = asyc->procamp.vibrant_hue;
120 else if (property == disp->color_vibrance_property)
121 *val = asyc->procamp.color_vibrance;
122 else
123 return -EINVAL;
124
125 return 0;
126 }
127
128 int
129 nouveau_conn_atomic_set_property(struct drm_connector *connector,
130 struct drm_connector_state *state,
131 struct drm_property *property, u64 val)
132 {
133 struct drm_device *dev = connector->dev;
134 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state);
135 struct nouveau_display *disp = nouveau_display(dev);
136
137 if (property == dev->mode_config.scaling_mode_property) {
138 switch (val) {
139 case DRM_MODE_SCALE_NONE:
140 /* We allow 'None' for EDID modes, even on a fixed
141 * panel (some exist with support for lower refresh
142 * rates, which people might want to use for power-
143 * saving purposes).
144 *
145 * Non-EDID modes will force the use of GPU scaling
146 * to the native mode regardless of this setting.
147 */
148 switch (connector->connector_type) {
149 case DRM_MODE_CONNECTOR_LVDS:
150 case DRM_MODE_CONNECTOR_eDP:
151 /* ... except prior to G80, where the code
152 * doesn't support such things.
153 */
154 if (disp->disp.object.oclass < NV50_DISP)
155 return -EINVAL;
156 break;
157 default:
158 break;
159 }
160 case DRM_MODE_SCALE_FULLSCREEN:
161 case DRM_MODE_SCALE_CENTER:
162 case DRM_MODE_SCALE_ASPECT:
163 break;
164 default:
165 return -EINVAL;
166 }
167
168 if (asyc->scaler.mode != val) {
169 asyc->scaler.mode = val;
170 asyc->set.scaler = true;
171 }
172 } else
173 if (property == disp->underscan_property) {
174 if (asyc->scaler.underscan.mode != val) {
175 asyc->scaler.underscan.mode = val;
176 asyc->set.scaler = true;
177 }
178 } else
179 if (property == disp->underscan_hborder_property) {
180 if (asyc->scaler.underscan.hborder != val) {
181 asyc->scaler.underscan.hborder = val;
182 asyc->set.scaler = true;
183 }
184 } else
185 if (property == disp->underscan_vborder_property) {
186 if (asyc->scaler.underscan.vborder != val) {
187 asyc->scaler.underscan.vborder = val;
188 asyc->set.scaler = true;
189 }
190 } else
191 if (property == disp->dithering_mode) {
192 if (asyc->dither.mode != val) {
193 asyc->dither.mode = val;
194 asyc->set.dither = true;
195 }
196 } else
197 if (property == disp->dithering_depth) {
198 if (asyc->dither.mode != val) {
199 asyc->dither.depth = val;
200 asyc->set.dither = true;
201 }
202 } else
203 if (property == disp->vibrant_hue_property) {
204 if (asyc->procamp.vibrant_hue != val) {
205 asyc->procamp.vibrant_hue = val;
206 asyc->set.procamp = true;
207 }
208 } else
209 if (property == disp->color_vibrance_property) {
210 if (asyc->procamp.color_vibrance != val) {
211 asyc->procamp.color_vibrance = val;
212 asyc->set.procamp = true;
213 }
214 } else {
215 return -EINVAL;
216 }
217
218 return 0;
219 }
220
221 void
222 nouveau_conn_atomic_destroy_state(struct drm_connector *connector,
223 struct drm_connector_state *state)
224 {
225 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state);
226 __drm_atomic_helper_connector_destroy_state(&asyc->state);
227 kfree(asyc);
228 }
229
230 struct drm_connector_state *
231 nouveau_conn_atomic_duplicate_state(struct drm_connector *connector)
232 {
233 struct nouveau_conn_atom *armc = nouveau_conn_atom(connector->state);
234 struct nouveau_conn_atom *asyc;
235 if (!(asyc = kmalloc(sizeof(*asyc), GFP_KERNEL)))
236 return NULL;
237 __drm_atomic_helper_connector_duplicate_state(connector, &asyc->state);
238 asyc->dither = armc->dither;
239 asyc->scaler = armc->scaler;
240 asyc->procamp = armc->procamp;
241 asyc->set.mask = 0;
242 return &asyc->state;
243 }
244
245 void
246 nouveau_conn_reset(struct drm_connector *connector)
247 {
248 struct nouveau_connector *nv_connector = nouveau_connector(connector);
249 struct nouveau_conn_atom *asyc;
250
251 if (drm_drv_uses_atomic_modeset(connector->dev)) {
252 if (WARN_ON(!(asyc = kzalloc(sizeof(*asyc), GFP_KERNEL))))
253 return;
254
255 if (connector->state)
256 nouveau_conn_atomic_destroy_state(connector,
257 connector->state);
258
259 __drm_atomic_helper_connector_reset(connector, &asyc->state);
260 } else {
261 asyc = &nv_connector->properties_state;
262 }
263
264 asyc->dither.mode = DITHERING_MODE_AUTO;
265 asyc->dither.depth = DITHERING_DEPTH_AUTO;
266 asyc->scaler.mode = DRM_MODE_SCALE_NONE;
267 asyc->scaler.underscan.mode = UNDERSCAN_OFF;
268 asyc->procamp.color_vibrance = 150;
269 asyc->procamp.vibrant_hue = 90;
270
271 if (nouveau_display(connector->dev)->disp.object.oclass < NV50_DISP) {
272 switch (connector->connector_type) {
273 case DRM_MODE_CONNECTOR_LVDS:
274 /* See note in nouveau_conn_atomic_set_property(). */
275 asyc->scaler.mode = DRM_MODE_SCALE_FULLSCREEN;
276 break;
277 default:
278 break;
279 }
280 }
281 }
282
283 void
284 nouveau_conn_attach_properties(struct drm_connector *connector)
285 {
286 struct drm_device *dev = connector->dev;
287 struct nouveau_display *disp = nouveau_display(dev);
288 struct nouveau_connector *nv_connector = nouveau_connector(connector);
289 struct nouveau_conn_atom *armc;
290
291 if (drm_drv_uses_atomic_modeset(connector->dev))
292 armc = nouveau_conn_atom(connector->state);
293 else
294 armc = &nv_connector->properties_state;
295
296 /* Init DVI-I specific properties. */
297 if (connector->connector_type == DRM_MODE_CONNECTOR_DVII)
298 drm_object_attach_property(&connector->base, dev->mode_config.
299 dvi_i_subconnector_property, 0);
300
301 /* Add overscan compensation options to digital outputs. */
302 if (disp->underscan_property &&
303 (connector->connector_type == DRM_MODE_CONNECTOR_DVID ||
304 connector->connector_type == DRM_MODE_CONNECTOR_DVII ||
305 connector->connector_type == DRM_MODE_CONNECTOR_HDMIA ||
306 connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)) {
307 drm_object_attach_property(&connector->base,
308 disp->underscan_property,
309 UNDERSCAN_OFF);
310 drm_object_attach_property(&connector->base,
311 disp->underscan_hborder_property, 0);
312 drm_object_attach_property(&connector->base,
313 disp->underscan_vborder_property, 0);
314 }
315
316 /* Add hue and saturation options. */
317 if (disp->vibrant_hue_property)
318 drm_object_attach_property(&connector->base,
319 disp->vibrant_hue_property,
320 armc->procamp.vibrant_hue);
321 if (disp->color_vibrance_property)
322 drm_object_attach_property(&connector->base,
323 disp->color_vibrance_property,
324 armc->procamp.color_vibrance);
325
326 /* Scaling mode property. */
327 switch (connector->connector_type) {
328 case DRM_MODE_CONNECTOR_TV:
329 break;
330 case DRM_MODE_CONNECTOR_VGA:
331 if (disp->disp.object.oclass < NV50_DISP)
332 break; /* Can only scale on DFPs. */
333 fallthrough;
334 default:
335 drm_object_attach_property(&connector->base, dev->mode_config.
336 scaling_mode_property,
337 armc->scaler.mode);
338 break;
339 }
340
341 /* Dithering properties. */
342 switch (connector->connector_type) {
343 case DRM_MODE_CONNECTOR_TV:
344 case DRM_MODE_CONNECTOR_VGA:
345 break;
346 default:
347 if (disp->dithering_mode) {
348 drm_object_attach_property(&connector->base,
349 disp->dithering_mode,
350 armc->dither.mode);
351 }
352 if (disp->dithering_depth) {
353 drm_object_attach_property(&connector->base,
354 disp->dithering_depth,
355 armc->dither.depth);
356 }
357 break;
358 }
359 }
360
361 MODULE_PARM_DESC(tv_disable, "Disable TV-out detection");
362 int nouveau_tv_disable = 0;
363 module_param_named(tv_disable, nouveau_tv_disable, int, 0400);
364
365 MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status");
366 int nouveau_ignorelid = 0;
367 module_param_named(ignorelid, nouveau_ignorelid, int, 0400);
368
369 MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (default: enabled)");
370 int nouveau_duallink = 1;
371 module_param_named(duallink, nouveau_duallink, int, 0400);
372
373 MODULE_PARM_DESC(hdmimhz, "Force a maximum HDMI pixel clock (in MHz)");
374 int nouveau_hdmimhz = 0;
375 module_param_named(hdmimhz, nouveau_hdmimhz, int, 0400);
376
377 struct nouveau_encoder *
378 find_encoder(struct drm_connector *connector, int type)
379 {
380 struct nouveau_encoder *nv_encoder;
381 struct drm_encoder *enc;
382
383 drm_connector_for_each_possible_encoder(connector, enc) {
384 nv_encoder = nouveau_encoder(enc);
385
386 if (type == DCB_OUTPUT_ANY ||
387 (nv_encoder->dcb && nv_encoder->dcb->type == type))
388 return nv_encoder;
389 }
390
391 return NULL;
392 }
393
394 static void
395 nouveau_connector_destroy(struct drm_connector *connector)
396 {
397 struct nouveau_connector *nv_connector = nouveau_connector(connector);
398 nvif_notify_dtor(&nv_connector->hpd);
399 kfree(nv_connector->edid);
400 drm_connector_unregister(connector);
401 drm_connector_cleanup(connector);
402 if (nv_connector->aux.transfer) {
403 drm_dp_cec_unregister_connector(&nv_connector->aux);
404 drm_dp_aux_unregister(&nv_connector->aux);
405 kfree(nv_connector->aux.name);
406 }
407 kfree(connector);
408 }
409
410 static struct nouveau_encoder *
411 nouveau_connector_ddc_detect(struct drm_connector *connector)
412 {
413 struct drm_device *dev = connector->dev;
414 struct nouveau_encoder *nv_encoder = NULL, *found = NULL;
415 struct drm_encoder *encoder;
416 int ret;
417 bool switcheroo_ddc = false;
418
419 drm_connector_for_each_possible_encoder(connector, encoder) {
420 nv_encoder = nouveau_encoder(encoder);
421
422 switch (nv_encoder->dcb->type) {
423 case DCB_OUTPUT_DP:
424 ret = nouveau_dp_detect(nouveau_connector(connector),
425 nv_encoder);
426 if (ret == NOUVEAU_DP_MST)
427 return NULL;
428 else if (ret == NOUVEAU_DP_SST)
429 found = nv_encoder;
430
431 break;
432 case DCB_OUTPUT_LVDS:
433 switcheroo_ddc = !!(vga_switcheroo_handler_flags() &
434 VGA_SWITCHEROO_CAN_SWITCH_DDC);
435 fallthrough;
436 default:
437 if (!nv_encoder->i2c)
438 break;
439
440 if (switcheroo_ddc)
441 vga_switcheroo_lock_ddc(dev->pdev);
442 if (nvkm_probe_i2c(nv_encoder->i2c, 0x50))
443 found = nv_encoder;
444 if (switcheroo_ddc)
445 vga_switcheroo_unlock_ddc(dev->pdev);
446
447 break;
448 }
449 if (found)
450 break;
451 }
452
453 return found;
454 }
455
456 static struct nouveau_encoder *
457 nouveau_connector_of_detect(struct drm_connector *connector)
458 {
459 #ifdef __powerpc__
460 struct drm_device *dev = connector->dev;
461 struct nouveau_connector *nv_connector = nouveau_connector(connector);
462 struct nouveau_encoder *nv_encoder;
463 struct device_node *cn, *dn = pci_device_to_OF_node(dev->pdev);
464
465 if (!dn ||
466 !((nv_encoder = find_encoder(connector, DCB_OUTPUT_TMDS)) ||
467 (nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG))))
468 return NULL;
469
470 for_each_child_of_node(dn, cn) {
471 const char *name = of_get_property(cn, "name", NULL);
472 const void *edid = of_get_property(cn, "EDID", NULL);
473 int idx = name ? name[strlen(name) - 1] - 'A' : 0;
474
475 if (nv_encoder->dcb->i2c_index == idx && edid) {
476 nv_connector->edid =
477 kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
478 of_node_put(cn);
479 return nv_encoder;
480 }
481 }
482 #endif
483 return NULL;
484 }
485
486 static void
487 nouveau_connector_set_encoder(struct drm_connector *connector,
488 struct nouveau_encoder *nv_encoder)
489 {
490 struct nouveau_connector *nv_connector = nouveau_connector(connector);
491 struct nouveau_drm *drm = nouveau_drm(connector->dev);
492 struct drm_device *dev = connector->dev;
493
494 if (nv_connector->detected_encoder == nv_encoder)
495 return;
496 nv_connector->detected_encoder = nv_encoder;
497
498 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
499 if (nv_encoder->dcb->type == DCB_OUTPUT_DP)
500 connector->interlace_allowed =
501 nv_encoder->caps.dp_interlace;
502 else
503 connector->interlace_allowed = true;
504 connector->doublescan_allowed = true;
505 } else
506 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS ||
507 nv_encoder->dcb->type == DCB_OUTPUT_TMDS) {
508 connector->doublescan_allowed = false;
509 connector->interlace_allowed = false;
510 } else {
511 connector->doublescan_allowed = true;
512 if (drm->client.device.info.family == NV_DEVICE_INFO_V0_KELVIN ||
513 (drm->client.device.info.family == NV_DEVICE_INFO_V0_CELSIUS &&
514 (dev->pdev->device & 0x0ff0) != 0x0100 &&
515 (dev->pdev->device & 0x0ff0) != 0x0150))
516 /* HW is broken */
517 connector->interlace_allowed = false;
518 else
519 connector->interlace_allowed = true;
520 }
521
522 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
523 drm_object_property_set_value(&connector->base,
524 dev->mode_config.dvi_i_subconnector_property,
525 nv_encoder->dcb->type == DCB_OUTPUT_TMDS ?
526 DRM_MODE_SUBCONNECTOR_DVID :
527 DRM_MODE_SUBCONNECTOR_DVIA);
528 }
529 }
530
531 static void
532 nouveau_connector_set_edid(struct nouveau_connector *nv_connector,
533 struct edid *edid)
534 {
535 if (nv_connector->edid != edid) {
536 struct edid *old_edid = nv_connector->edid;
537
538 drm_connector_update_edid_property(&nv_connector->base, edid);
539 kfree(old_edid);
540 nv_connector->edid = edid;
541 }
542 }
543
544 static enum drm_connector_status
545 nouveau_connector_detect(struct drm_connector *connector, bool force)
546 {
547 struct drm_device *dev = connector->dev;
548 struct nouveau_drm *drm = nouveau_drm(dev);
549 struct nouveau_connector *nv_connector = nouveau_connector(connector);
550 struct nouveau_encoder *nv_encoder = NULL;
551 struct nouveau_encoder *nv_partner;
552 struct i2c_adapter *i2c;
553 int type;
554 int ret;
555 enum drm_connector_status conn_status = connector_status_disconnected;
556
557 /* Outputs are only polled while runtime active, so resuming the
558 * device here is unnecessary (and would deadlock upon runtime suspend
559 * because it waits for polling to finish). We do however, want to
560 * prevent the autosuspend timer from elapsing during this operation
561 * if possible.
562 */
563 if (drm_kms_helper_is_poll_worker()) {
564 pm_runtime_get_noresume(dev->dev);
565 } else {
566 ret = pm_runtime_get_sync(dev->dev);
567 if (ret < 0 && ret != -EACCES) {
568 pm_runtime_put_autosuspend(dev->dev);
569 nouveau_connector_set_edid(nv_connector, NULL);
570 return conn_status;
571 }
572 }
573
574 nv_encoder = nouveau_connector_ddc_detect(connector);
575 if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) {
576 struct edid *new_edid;
577
578 if ((vga_switcheroo_handler_flags() &
579 VGA_SWITCHEROO_CAN_SWITCH_DDC) &&
580 nv_connector->type == DCB_CONNECTOR_LVDS)
581 new_edid = drm_get_edid_switcheroo(connector, i2c);
582 else
583 new_edid = drm_get_edid(connector, i2c);
584
585 nouveau_connector_set_edid(nv_connector, new_edid);
586 if (!nv_connector->edid) {
587 NV_ERROR(drm, "DDC responded, but no EDID for %s\n",
588 connector->name);
589 goto detect_analog;
590 }
591
592 /* Override encoder type for DVI-I based on whether EDID
593 * says the display is digital or analog, both use the
594 * same i2c channel so the value returned from ddc_detect
595 * isn't necessarily correct.
596 */
597 nv_partner = NULL;
598 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS)
599 nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG);
600 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG)
601 nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS);
602
603 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG &&
604 nv_partner->dcb->type == DCB_OUTPUT_TMDS) ||
605 (nv_encoder->dcb->type == DCB_OUTPUT_TMDS &&
606 nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) {
607 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL)
608 type = DCB_OUTPUT_TMDS;
609 else
610 type = DCB_OUTPUT_ANALOG;
611
612 nv_encoder = find_encoder(connector, type);
613 }
614
615 nouveau_connector_set_encoder(connector, nv_encoder);
616 conn_status = connector_status_connected;
617 drm_dp_cec_set_edid(&nv_connector->aux, nv_connector->edid);
618 goto out;
619 } else {
620 nouveau_connector_set_edid(nv_connector, NULL);
621 }
622
623 nv_encoder = nouveau_connector_of_detect(connector);
624 if (nv_encoder) {
625 nouveau_connector_set_encoder(connector, nv_encoder);
626 conn_status = connector_status_connected;
627 goto out;
628 }
629
630 detect_analog:
631 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG);
632 if (!nv_encoder && !nouveau_tv_disable)
633 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV);
634 if (nv_encoder && force) {
635 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
636 const struct drm_encoder_helper_funcs *helper =
637 encoder->helper_private;
638
639 if (helper->detect(encoder, connector) ==
640 connector_status_connected) {
641 nouveau_connector_set_encoder(connector, nv_encoder);
642 conn_status = connector_status_connected;
643 goto out;
644 }
645 }
646
647 out:
648 if (!nv_connector->edid)
649 drm_dp_cec_unset_edid(&nv_connector->aux);
650
651 pm_runtime_mark_last_busy(dev->dev);
652 pm_runtime_put_autosuspend(dev->dev);
653
654 return conn_status;
655 }
656
657 static enum drm_connector_status
658 nouveau_connector_detect_lvds(struct drm_connector *connector, bool force)
659 {
660 struct drm_device *dev = connector->dev;
661 struct nouveau_drm *drm = nouveau_drm(dev);
662 struct nouveau_connector *nv_connector = nouveau_connector(connector);
663 struct nouveau_encoder *nv_encoder = NULL;
664 struct edid *edid = NULL;
665 enum drm_connector_status status = connector_status_disconnected;
666
667 nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS);
668 if (!nv_encoder)
669 goto out;
670
671 /* Try retrieving EDID via DDC */
672 if (!drm->vbios.fp_no_ddc) {
673 status = nouveau_connector_detect(connector, force);
674 if (status == connector_status_connected) {
675 edid = nv_connector->edid;
676 goto out;
677 }
678 }
679
680 /* On some laptops (Sony, i'm looking at you) there appears to
681 * be no direct way of accessing the panel's EDID. The only
682 * option available to us appears to be to ask ACPI for help..
683 *
684 * It's important this check's before trying straps, one of the
685 * said manufacturer's laptops are configured in such a way
686 * the nouveau decides an entry in the VBIOS FP mode table is
687 * valid - it's not (rh#613284)
688 */
689 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) {
690 edid = nouveau_acpi_edid(dev, connector);
691 if (edid) {
692 status = connector_status_connected;
693 goto out;
694 }
695 }
696
697 /* If no EDID found above, and the VBIOS indicates a hardcoded
698 * modeline is avalilable for the panel, set it as the panel's
699 * native mode and exit.
700 */
701 if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc ||
702 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) {
703 status = connector_status_connected;
704 goto out;
705 }
706
707 /* Still nothing, some VBIOS images have a hardcoded EDID block
708 * stored for the panel stored in them.
709 */
710 if (!drm->vbios.fp_no_ddc) {
711 edid = (struct edid *)nouveau_bios_embedded_edid(dev);
712 if (edid) {
713 edid = kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
714 if (edid)
715 status = connector_status_connected;
716 }
717 }
718
719 out:
720 #if defined(CONFIG_ACPI_BUTTON) || \
721 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE))
722 if (status == connector_status_connected &&
723 !nouveau_ignorelid && !acpi_lid_open())
724 status = connector_status_unknown;
725 #endif
726
727 nouveau_connector_set_edid(nv_connector, edid);
728 nouveau_connector_set_encoder(connector, nv_encoder);
729 return status;
730 }
731
732 static void
733 nouveau_connector_force(struct drm_connector *connector)
734 {
735 struct nouveau_drm *drm = nouveau_drm(connector->dev);
736 struct nouveau_connector *nv_connector = nouveau_connector(connector);
737 struct nouveau_encoder *nv_encoder;
738 int type;
739
740 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
741 if (connector->force == DRM_FORCE_ON_DIGITAL)
742 type = DCB_OUTPUT_TMDS;
743 else
744 type = DCB_OUTPUT_ANALOG;
745 } else
746 type = DCB_OUTPUT_ANY;
747
748 nv_encoder = find_encoder(connector, type);
749 if (!nv_encoder) {
750 NV_ERROR(drm, "can't find encoder to force %s on!\n",
751 connector->name);
752 connector->status = connector_status_disconnected;
753 return;
754 }
755
756 nouveau_connector_set_encoder(connector, nv_encoder);
757 }
758
759 static int
760 nouveau_connector_set_property(struct drm_connector *connector,
761 struct drm_property *property, uint64_t value)
762 {
763 struct nouveau_connector *nv_connector = nouveau_connector(connector);
764 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
765 struct nouveau_conn_atom *asyc = &nv_connector->properties_state;
766 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
767 int ret;
768
769 ret = connector->funcs->atomic_set_property(&nv_connector->base,
770 &asyc->state,
771 property, value);
772 if (ret) {
773 if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV)
774 return get_slave_funcs(encoder)->set_property(
775 encoder, connector, property, value);
776 return ret;
777 }
778
779 nv_connector->scaling_mode = asyc->scaler.mode;
780 nv_connector->dithering_mode = asyc->dither.mode;
781
782 if (connector->encoder && connector->encoder->crtc) {
783 ret = drm_crtc_helper_set_mode(connector->encoder->crtc,
784 &connector->encoder->crtc->mode,
785 connector->encoder->crtc->x,
786 connector->encoder->crtc->y,
787 NULL);
788 if (!ret)
789 return -EINVAL;
790 }
791
792 return 0;
793 }
794
795 struct moderec {
796 int hdisplay;
797 int vdisplay;
798 };
799
800 static struct moderec scaler_modes[] = {
801 { 1920, 1200 },
802 { 1920, 1080 },
803 { 1680, 1050 },
804 { 1600, 1200 },
805 { 1400, 1050 },
806 { 1280, 1024 },
807 { 1280, 960 },
808 { 1152, 864 },
809 { 1024, 768 },
810 { 800, 600 },
811 { 720, 400 },
812 { 640, 480 },
813 { 640, 400 },
814 { 640, 350 },
815 {}
816 };
817
818 static int
819 nouveau_connector_scaler_modes_add(struct drm_connector *connector)
820 {
821 struct nouveau_connector *nv_connector = nouveau_connector(connector);
822 struct drm_display_mode *native = nv_connector->native_mode, *m;
823 struct drm_device *dev = connector->dev;
824 struct moderec *mode = &scaler_modes[0];
825 int modes = 0;
826
827 if (!native)
828 return 0;
829
830 while (mode->hdisplay) {
831 if (mode->hdisplay <= native->hdisplay &&
832 mode->vdisplay <= native->vdisplay &&
833 (mode->hdisplay != native->hdisplay ||
834 mode->vdisplay != native->vdisplay)) {
835 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay,
836 drm_mode_vrefresh(native), false,
837 false, false);
838 if (!m)
839 continue;
840
841 drm_mode_probed_add(connector, m);
842 modes++;
843 }
844
845 mode++;
846 }
847
848 return modes;
849 }
850
851 static void
852 nouveau_connector_detect_depth(struct drm_connector *connector)
853 {
854 struct nouveau_drm *drm = nouveau_drm(connector->dev);
855 struct nouveau_connector *nv_connector = nouveau_connector(connector);
856 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
857 struct nvbios *bios = &drm->vbios;
858 struct drm_display_mode *mode = nv_connector->native_mode;
859 bool duallink;
860
861 /* if the edid is feeling nice enough to provide this info, use it */
862 if (nv_connector->edid && connector->display_info.bpc)
863 return;
864
865 /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */
866 if (nv_connector->type == DCB_CONNECTOR_eDP) {
867 connector->display_info.bpc = 6;
868 return;
869 }
870
871 /* we're out of options unless we're LVDS, default to 8bpc */
872 if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) {
873 connector->display_info.bpc = 8;
874 return;
875 }
876
877 connector->display_info.bpc = 6;
878
879 /* LVDS: panel straps */
880 if (bios->fp_no_ddc) {
881 if (bios->fp.if_is_24bit)
882 connector->display_info.bpc = 8;
883 return;
884 }
885
886 /* LVDS: DDC panel, need to first determine the number of links to
887 * know which if_is_24bit flag to check...
888 */
889 if (nv_connector->edid &&
890 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG)
891 duallink = ((u8 *)nv_connector->edid)[121] == 2;
892 else
893 duallink = mode->clock >= bios->fp.duallink_transition_clk;
894
895 if ((!duallink && (bios->fp.strapless_is_24bit & 1)) ||
896 ( duallink && (bios->fp.strapless_is_24bit & 2)))
897 connector->display_info.bpc = 8;
898 }
899
900 static int
901 nouveau_connector_late_register(struct drm_connector *connector)
902 {
903 int ret;
904
905 ret = nouveau_backlight_init(connector);
906
907 return ret;
908 }
909
910 static void
911 nouveau_connector_early_unregister(struct drm_connector *connector)
912 {
913 nouveau_backlight_fini(connector);
914 }
915
916 static int
917 nouveau_connector_get_modes(struct drm_connector *connector)
918 {
919 struct drm_device *dev = connector->dev;
920 struct nouveau_drm *drm = nouveau_drm(dev);
921 struct nouveau_connector *nv_connector = nouveau_connector(connector);
922 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
923 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
924 int ret = 0;
925
926 /* destroy the native mode, the attached monitor could have changed.
927 */
928 if (nv_connector->native_mode) {
929 drm_mode_destroy(dev, nv_connector->native_mode);
930 nv_connector->native_mode = NULL;
931 }
932
933 if (nv_connector->edid)
934 ret = drm_add_edid_modes(connector, nv_connector->edid);
935 else
936 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS &&
937 (nv_encoder->dcb->lvdsconf.use_straps_for_mode ||
938 drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) {
939 struct drm_display_mode mode;
940
941 nouveau_bios_fp_mode(dev, &mode);
942 nv_connector->native_mode = drm_mode_duplicate(dev, &mode);
943 }
944
945 /* Determine display colour depth for everything except LVDS now,
946 * DP requires this before mode_valid() is called.
947 */
948 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS)
949 nouveau_connector_detect_depth(connector);
950
951 /* Find the native mode if this is a digital panel, if we didn't
952 * find any modes through DDC previously add the native mode to
953 * the list of modes.
954 */
955 if (!nv_connector->native_mode)
956 nv_connector->native_mode = nouveau_conn_native_mode(connector);
957 if (ret == 0 && nv_connector->native_mode) {
958 struct drm_display_mode *mode;
959
960 mode = drm_mode_duplicate(dev, nv_connector->native_mode);
961 drm_mode_probed_add(connector, mode);
962 ret = 1;
963 }
964
965 /* Determine LVDS colour depth, must happen after determining
966 * "native" mode as some VBIOS tables require us to use the
967 * pixel clock as part of the lookup...
968 */
969 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
970 nouveau_connector_detect_depth(connector);
971
972 if (nv_encoder->dcb->type == DCB_OUTPUT_TV)
973 ret = get_slave_funcs(encoder)->get_modes(encoder, connector);
974
975 if (nv_connector->type == DCB_CONNECTOR_LVDS ||
976 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG ||
977 nv_connector->type == DCB_CONNECTOR_eDP)
978 ret += nouveau_connector_scaler_modes_add(connector);
979
980 return ret;
981 }
982
983 static unsigned
984 get_tmds_link_bandwidth(struct drm_connector *connector)
985 {
986 struct nouveau_connector *nv_connector = nouveau_connector(connector);
987 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
988 struct nouveau_drm *drm = nouveau_drm(connector->dev);
989 struct dcb_output *dcb = nv_connector->detected_encoder->dcb;
990 struct drm_display_info *info = NULL;
991 unsigned duallink_scale =
992 nouveau_duallink && nv_encoder->dcb->duallink_possible ? 2 : 1;
993
994 if (drm_detect_hdmi_monitor(nv_connector->edid)) {
995 info = &nv_connector->base.display_info;
996 duallink_scale = 1;
997 }
998
999 if (info) {
1000 if (nouveau_hdmimhz > 0)
1001 return nouveau_hdmimhz * 1000;
1002 /* Note: these limits are conservative, some Fermi's
1003 * can do 297 MHz. Unclear how this can be determined.
1004 */
1005 if (drm->client.device.info.chipset >= 0x120) {
1006 const int max_tmds_clock =
1007 info->hdmi.scdc.scrambling.supported ?
1008 594000 : 340000;
1009 return info->max_tmds_clock ?
1010 min(info->max_tmds_clock, max_tmds_clock) :
1011 max_tmds_clock;
1012 }
1013 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_KEPLER)
1014 return 297000;
1015 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_FERMI)
1016 return 225000;
1017 }
1018
1019 if (dcb->location != DCB_LOC_ON_CHIP ||
1020 drm->client.device.info.chipset >= 0x46)
1021 return 165000 * duallink_scale;
1022 else if (drm->client.device.info.chipset >= 0x40)
1023 return 155000 * duallink_scale;
1024 else if (drm->client.device.info.chipset >= 0x18)
1025 return 135000 * duallink_scale;
1026 else
1027 return 112000 * duallink_scale;
1028 }
1029
1030 static enum drm_mode_status
1031 nouveau_connector_mode_valid(struct drm_connector *connector,
1032 struct drm_display_mode *mode)
1033 {
1034 struct nouveau_connector *nv_connector = nouveau_connector(connector);
1035 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
1036 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
1037 unsigned int min_clock = 25000, max_clock = min_clock, clock = mode->clock;
1038
1039 switch (nv_encoder->dcb->type) {
1040 case DCB_OUTPUT_LVDS:
1041 if (nv_connector->native_mode &&
1042 (mode->hdisplay > nv_connector->native_mode->hdisplay ||
1043 mode->vdisplay > nv_connector->native_mode->vdisplay))
1044 return MODE_PANEL;
1045
1046 min_clock = 0;
1047 max_clock = 400000;
1048 break;
1049 case DCB_OUTPUT_TMDS:
1050 max_clock = get_tmds_link_bandwidth(connector);
1051 break;
1052 case DCB_OUTPUT_ANALOG:
1053 max_clock = nv_encoder->dcb->crtconf.maxfreq;
1054 if (!max_clock)
1055 max_clock = 350000;
1056 break;
1057 case DCB_OUTPUT_TV:
1058 return get_slave_funcs(encoder)->mode_valid(encoder, mode);
1059 case DCB_OUTPUT_DP:
1060 return nv50_dp_mode_valid(connector, nv_encoder, mode, NULL);
1061 default:
1062 BUG();
1063 return MODE_BAD;
1064 }
1065
1066 if ((mode->flags & DRM_MODE_FLAG_3D_MASK) == DRM_MODE_FLAG_3D_FRAME_PACKING)
1067 clock *= 2;
1068
1069 if (clock < min_clock)
1070 return MODE_CLOCK_LOW;
1071 if (clock > max_clock)
1072 return MODE_CLOCK_HIGH;
1073
1074 return MODE_OK;
1075 }
1076
1077 static struct drm_encoder *
1078 nouveau_connector_best_encoder(struct drm_connector *connector)
1079 {
1080 struct nouveau_connector *nv_connector = nouveau_connector(connector);
1081
1082 if (nv_connector->detected_encoder)
1083 return to_drm_encoder(nv_connector->detected_encoder);
1084
1085 return NULL;
1086 }
1087
1088 static const struct drm_connector_helper_funcs
1089 nouveau_connector_helper_funcs = {
1090 .get_modes = nouveau_connector_get_modes,
1091 .mode_valid = nouveau_connector_mode_valid,
1092 .best_encoder = nouveau_connector_best_encoder,
1093 };
1094
1095 static const struct drm_connector_funcs
1096 nouveau_connector_funcs = {
1097 .dpms = drm_helper_connector_dpms,
1098 .reset = nouveau_conn_reset,
1099 .detect = nouveau_connector_detect,
1100 .force = nouveau_connector_force,
1101 .fill_modes = drm_helper_probe_single_connector_modes,
1102 .set_property = nouveau_connector_set_property,
1103 .destroy = nouveau_connector_destroy,
1104 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state,
1105 .atomic_destroy_state = nouveau_conn_atomic_destroy_state,
1106 .atomic_set_property = nouveau_conn_atomic_set_property,
1107 .atomic_get_property = nouveau_conn_atomic_get_property,
1108 .late_register = nouveau_connector_late_register,
1109 .early_unregister = nouveau_connector_early_unregister,
1110 };
1111
1112 static const struct drm_connector_funcs
1113 nouveau_connector_funcs_lvds = {
1114 .dpms = drm_helper_connector_dpms,
1115 .reset = nouveau_conn_reset,
1116 .detect = nouveau_connector_detect_lvds,
1117 .force = nouveau_connector_force,
1118 .fill_modes = drm_helper_probe_single_connector_modes,
1119 .set_property = nouveau_connector_set_property,
1120 .destroy = nouveau_connector_destroy,
1121 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state,
1122 .atomic_destroy_state = nouveau_conn_atomic_destroy_state,
1123 .atomic_set_property = nouveau_conn_atomic_set_property,
1124 .atomic_get_property = nouveau_conn_atomic_get_property,
1125 .late_register = nouveau_connector_late_register,
1126 .early_unregister = nouveau_connector_early_unregister,
1127 };
1128
1129 void
1130 nouveau_connector_hpd(struct drm_connector *connector)
1131 {
1132 struct nouveau_drm *drm = nouveau_drm(connector->dev);
1133 u32 mask = drm_connector_mask(connector);
1134
1135 mutex_lock(&drm->hpd_lock);
1136 if (!(drm->hpd_pending & mask)) {
1137 drm->hpd_pending |= mask;
1138 schedule_work(&drm->hpd_work);
1139 }
1140 mutex_unlock(&drm->hpd_lock);
1141 }
1142
1143 static int
1144 nouveau_connector_hotplug(struct nvif_notify *notify)
1145 {
1146 struct nouveau_connector *nv_connector =
1147 container_of(notify, typeof(*nv_connector), hpd);
1148 struct drm_connector *connector = &nv_connector->base;
1149 struct drm_device *dev = connector->dev;
1150 struct nouveau_drm *drm = nouveau_drm(dev);
1151 const struct nvif_notify_conn_rep_v0 *rep = notify->data;
1152 bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG);
1153
1154 if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) {
1155 nouveau_dp_irq(drm, nv_connector);
1156 return NVIF_NOTIFY_KEEP;
1157 }
1158
1159 NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", connector->name);
1160 nouveau_connector_hpd(connector);
1161
1162 return NVIF_NOTIFY_KEEP;
1163 }
1164
1165 static ssize_t
1166 nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg)
1167 {
1168 struct nouveau_connector *nv_connector =
1169 container_of(obj, typeof(*nv_connector), aux);
1170 struct nouveau_encoder *nv_encoder;
1171 struct nvkm_i2c_aux *aux;
1172 u8 size = msg->size;
1173 int ret;
1174
1175 nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP);
1176 if (!nv_encoder || !(aux = nv_encoder->aux))
1177 return -ENODEV;
1178 if (WARN_ON(msg->size > 16))
1179 return -E2BIG;
1180
1181 ret = nvkm_i2c_aux_acquire(aux);
1182 if (ret)
1183 return ret;
1184
1185 ret = nvkm_i2c_aux_xfer(aux, false, msg->request, msg->address,
1186 msg->buffer, &size);
1187 nvkm_i2c_aux_release(aux);
1188 if (ret >= 0) {
1189 msg->reply = ret;
1190 return size;
1191 }
1192
1193 return ret;
1194 }
1195
1196 static int
1197 drm_conntype_from_dcb(enum dcb_connector_type dcb)
1198 {
1199 switch (dcb) {
1200 case DCB_CONNECTOR_VGA : return DRM_MODE_CONNECTOR_VGA;
1201 case DCB_CONNECTOR_TV_0 :
1202 case DCB_CONNECTOR_TV_1 :
1203 case DCB_CONNECTOR_TV_3 : return DRM_MODE_CONNECTOR_TV;
1204 case DCB_CONNECTOR_DMS59_0 :
1205 case DCB_CONNECTOR_DMS59_1 :
1206 case DCB_CONNECTOR_DVI_I : return DRM_MODE_CONNECTOR_DVII;
1207 case DCB_CONNECTOR_DVI_D : return DRM_MODE_CONNECTOR_DVID;
1208 case DCB_CONNECTOR_LVDS :
1209 case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS;
1210 case DCB_CONNECTOR_DMS59_DP0:
1211 case DCB_CONNECTOR_DMS59_DP1:
1212 case DCB_CONNECTOR_DP :
1213 case DCB_CONNECTOR_USB_C : return DRM_MODE_CONNECTOR_DisplayPort;
1214 case DCB_CONNECTOR_eDP : return DRM_MODE_CONNECTOR_eDP;
1215 case DCB_CONNECTOR_HDMI_0 :
1216 case DCB_CONNECTOR_HDMI_1 :
1217 case DCB_CONNECTOR_HDMI_C : return DRM_MODE_CONNECTOR_HDMIA;
1218 case DCB_CONNECTOR_WFD : return DRM_MODE_CONNECTOR_VIRTUAL;
1219 default:
1220 break;
1221 }
1222
1223 return DRM_MODE_CONNECTOR_Unknown;
1224 }
1225
1226 struct drm_connector *
1227 nouveau_connector_create(struct drm_device *dev,
1228 const struct dcb_output *dcbe)
1229 {
1230 const struct drm_connector_funcs *funcs = &nouveau_connector_funcs;
1231 struct nouveau_drm *drm = nouveau_drm(dev);
1232 struct nouveau_display *disp = nouveau_display(dev);
1233 struct nouveau_connector *nv_connector = NULL;
1234 struct drm_connector *connector;
1235 struct drm_connector_list_iter conn_iter;
1236 char aux_name[48] = {0};
1237 int index = dcbe->connector;
1238 int type, ret = 0;
1239 bool dummy;
1240
1241 drm_connector_list_iter_begin(dev, &conn_iter);
1242 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
1243 nv_connector = nouveau_connector(connector);
1244 if (nv_connector->index == index) {
1245 drm_connector_list_iter_end(&conn_iter);
1246 return connector;
1247 }
1248 }
1249 drm_connector_list_iter_end(&conn_iter);
1250
1251 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL);
1252 if (!nv_connector)
1253 return ERR_PTR(-ENOMEM);
1254
1255 connector = &nv_connector->base;
1256 nv_connector->index = index;
1257
1258 /* attempt to parse vbios connector type and hotplug gpio */
1259 nv_connector->dcb = olddcb_conn(dev, index);
1260 if (nv_connector->dcb) {
1261 u32 entry = ROM16(nv_connector->dcb[0]);
1262 if (olddcb_conntab(dev)[3] >= 4)
1263 entry |= (u32)ROM16(nv_connector->dcb[2]) << 16;
1264
1265 nv_connector->type = nv_connector->dcb[0];
1266 if (drm_conntype_from_dcb(nv_connector->type) ==
1267 DRM_MODE_CONNECTOR_Unknown) {
1268 NV_WARN(drm, "unknown connector type %02x\n",
1269 nv_connector->type);
1270 nv_connector->type = DCB_CONNECTOR_NONE;
1271 }
1272
1273 /* Gigabyte NX85T */
1274 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) {
1275 if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1276 nv_connector->type = DCB_CONNECTOR_DVI_I;
1277 }
1278
1279 /* Gigabyte GV-NX86T512H */
1280 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) {
1281 if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1282 nv_connector->type = DCB_CONNECTOR_DVI_I;
1283 }
1284 } else {
1285 nv_connector->type = DCB_CONNECTOR_NONE;
1286 }
1287
1288 /* no vbios data, or an unknown dcb connector type - attempt to
1289 * figure out something suitable ourselves
1290 */
1291 if (nv_connector->type == DCB_CONNECTOR_NONE) {
1292 struct nouveau_drm *drm = nouveau_drm(dev);
1293 struct dcb_table *dcbt = &drm->vbios.dcb;
1294 u32 encoders = 0;
1295 int i;
1296
1297 for (i = 0; i < dcbt->entries; i++) {
1298 if (dcbt->entry[i].connector == nv_connector->index)
1299 encoders |= (1 << dcbt->entry[i].type);
1300 }
1301
1302 if (encoders & (1 << DCB_OUTPUT_DP)) {
1303 if (encoders & (1 << DCB_OUTPUT_TMDS))
1304 nv_connector->type = DCB_CONNECTOR_DP;
1305 else
1306 nv_connector->type = DCB_CONNECTOR_eDP;
1307 } else
1308 if (encoders & (1 << DCB_OUTPUT_TMDS)) {
1309 if (encoders & (1 << DCB_OUTPUT_ANALOG))
1310 nv_connector->type = DCB_CONNECTOR_DVI_I;
1311 else
1312 nv_connector->type = DCB_CONNECTOR_DVI_D;
1313 } else
1314 if (encoders & (1 << DCB_OUTPUT_ANALOG)) {
1315 nv_connector->type = DCB_CONNECTOR_VGA;
1316 } else
1317 if (encoders & (1 << DCB_OUTPUT_LVDS)) {
1318 nv_connector->type = DCB_CONNECTOR_LVDS;
1319 } else
1320 if (encoders & (1 << DCB_OUTPUT_TV)) {
1321 nv_connector->type = DCB_CONNECTOR_TV_0;
1322 }
1323 }
1324
1325 switch ((type = drm_conntype_from_dcb(nv_connector->type))) {
1326 case DRM_MODE_CONNECTOR_LVDS:
1327 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy);
1328 if (ret) {
1329 NV_ERROR(drm, "Error parsing LVDS table, disabling\n");
1330 kfree(nv_connector);
1331 return ERR_PTR(ret);
1332 }
1333
1334 funcs = &nouveau_connector_funcs_lvds;
1335 break;
1336 case DRM_MODE_CONNECTOR_DisplayPort:
1337 case DRM_MODE_CONNECTOR_eDP:
1338 nv_connector->aux.dev = connector->kdev;
1339 nv_connector->aux.transfer = nouveau_connector_aux_xfer;
1340 snprintf(aux_name, sizeof(aux_name), "sor-%04x-%04x",
1341 dcbe->hasht, dcbe->hashm);
1342 nv_connector->aux.name = kstrdup(aux_name, GFP_KERNEL);
1343 ret = drm_dp_aux_register(&nv_connector->aux);
1344 if (ret) {
1345 NV_ERROR(drm, "failed to register aux channel\n");
1346 kfree(nv_connector);
1347 return ERR_PTR(ret);
1348 }
1349 funcs = &nouveau_connector_funcs;
1350 break;
1351 default:
1352 funcs = &nouveau_connector_funcs;
1353 break;
1354 }
1355
1356 /* HDMI 3D support */
1357 if ((disp->disp.object.oclass >= G82_DISP)
1358 && ((type == DRM_MODE_CONNECTOR_DisplayPort)
1359 || (type == DRM_MODE_CONNECTOR_eDP)
1360 || (type == DRM_MODE_CONNECTOR_HDMIA)))
1361 connector->stereo_allowed = true;
1362
1363 /* defaults, will get overridden in detect() */
1364 connector->interlace_allowed = false;
1365 connector->doublescan_allowed = false;
1366
1367 drm_connector_init(dev, connector, funcs, type);
1368 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs);
1369
1370 connector->funcs->reset(connector);
1371 nouveau_conn_attach_properties(connector);
1372
1373 /* Default scaling mode */
1374 switch (nv_connector->type) {
1375 case DCB_CONNECTOR_LVDS:
1376 case DCB_CONNECTOR_LVDS_SPWG:
1377 case DCB_CONNECTOR_eDP:
1378 /* see note in nouveau_connector_set_property() */
1379 if (disp->disp.object.oclass < NV50_DISP) {
1380 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
1381 break;
1382 }
1383 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1384 break;
1385 default:
1386 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1387 break;
1388 }
1389
1390 /* dithering properties */
1391 switch (nv_connector->type) {
1392 case DCB_CONNECTOR_TV_0:
1393 case DCB_CONNECTOR_TV_1:
1394 case DCB_CONNECTOR_TV_3:
1395 case DCB_CONNECTOR_VGA:
1396 break;
1397 default:
1398 nv_connector->dithering_mode = DITHERING_MODE_AUTO;
1399 break;
1400 }
1401
1402 switch (type) {
1403 case DRM_MODE_CONNECTOR_DisplayPort:
1404 case DRM_MODE_CONNECTOR_eDP:
1405 drm_dp_cec_register_connector(&nv_connector->aux, connector);
1406 break;
1407 }
1408
1409 ret = nvif_notify_ctor(&disp->disp.object, "kmsHotplug",
1410 nouveau_connector_hotplug,
1411 true, NV04_DISP_NTFY_CONN,
1412 &(struct nvif_notify_conn_req_v0) {
1413 .mask = NVIF_NOTIFY_CONN_V0_ANY,
1414 .conn = index,
1415 },
1416 sizeof(struct nvif_notify_conn_req_v0),
1417 sizeof(struct nvif_notify_conn_rep_v0),
1418 &nv_connector->hpd);
1419 if (ret)
1420 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1421 else
1422 connector->polled = DRM_CONNECTOR_POLL_HPD;
1423
1424 drm_connector_register(connector);
1425 return connector;
1426 }
Linux with added FPC-III support