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 *
nouveau_conn_native_mode(struct drm_connector * connector)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
nouveau_conn_atomic_get_property(struct drm_connector * connector,const struct drm_connector_state * state,struct drm_property * property,u64 * val)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
nouveau_conn_atomic_set_property(struct drm_connector * connector,struct drm_connector_state * state,struct drm_property * property,u64 val)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
nouveau_conn_atomic_destroy_state(struct drm_connector * connector,struct drm_connector_state * state)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 *
nouveau_conn_atomic_duplicate_state(struct drm_connector * connector)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
nouveau_conn_reset(struct drm_connector * connector)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
nouveau_conn_attach_properties(struct drm_connector * connector)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 *
find_encoder(struct drm_connector * connector,int type)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
nouveau_connector_destroy(struct drm_connector * connector)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 *
nouveau_connector_ddc_detect(struct drm_connector * connector)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 *
nouveau_connector_of_detect(struct drm_connector * connector)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
nouveau_connector_set_encoder(struct drm_connector * connector,struct nouveau_encoder * nv_encoder)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 =
504 drm->client.device.info.family < NV_DEVICE_INFO_V0_VOLTA;
505 connector->doublescan_allowed = true;
506 } else
507 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS ||
508 nv_encoder->dcb->type == DCB_OUTPUT_TMDS) {
509 connector->doublescan_allowed = false;
510 connector->interlace_allowed = false;
511 } else {
512 connector->doublescan_allowed = true;
513 if (drm->client.device.info.family == NV_DEVICE_INFO_V0_KELVIN ||
514 (drm->client.device.info.family == NV_DEVICE_INFO_V0_CELSIUS &&
515 (dev->pdev->device & 0x0ff0) != 0x0100 &&
516 (dev->pdev->device & 0x0ff0) != 0x0150))
517 /* HW is broken */
518 connector->interlace_allowed = false;
519 else
520 connector->interlace_allowed = true;
521 }
522
523 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
524 drm_object_property_set_value(&connector->base,
525 dev->mode_config.dvi_i_subconnector_property,
526 nv_encoder->dcb->type == DCB_OUTPUT_TMDS ?
527 DRM_MODE_SUBCONNECTOR_DVID :
528 DRM_MODE_SUBCONNECTOR_DVIA);
529 }
530 }
531
532 static void
nouveau_connector_set_edid(struct nouveau_connector * nv_connector,struct edid * edid)533 nouveau_connector_set_edid(struct nouveau_connector *nv_connector,
534 struct edid *edid)
535 {
536 if (nv_connector->edid != edid) {
537 struct edid *old_edid = nv_connector->edid;
538
539 drm_connector_update_edid_property(&nv_connector->base, edid);
540 kfree(old_edid);
541 nv_connector->edid = edid;
542 }
543 }
544
545 static enum drm_connector_status
nouveau_connector_detect(struct drm_connector * connector,bool force)546 nouveau_connector_detect(struct drm_connector *connector, bool force)
547 {
548 struct drm_device *dev = connector->dev;
549 struct nouveau_drm *drm = nouveau_drm(dev);
550 struct nouveau_connector *nv_connector = nouveau_connector(connector);
551 struct nouveau_encoder *nv_encoder = NULL;
552 struct nouveau_encoder *nv_partner;
553 struct i2c_adapter *i2c;
554 int type;
555 int ret;
556 enum drm_connector_status conn_status = connector_status_disconnected;
557
558 /* Outputs are only polled while runtime active, so resuming the
559 * device here is unnecessary (and would deadlock upon runtime suspend
560 * because it waits for polling to finish). We do however, want to
561 * prevent the autosuspend timer from elapsing during this operation
562 * if possible.
563 */
564 if (drm_kms_helper_is_poll_worker()) {
565 pm_runtime_get_noresume(dev->dev);
566 } else {
567 ret = pm_runtime_get_sync(dev->dev);
568 if (ret < 0 && ret != -EACCES) {
569 pm_runtime_put_autosuspend(dev->dev);
570 nouveau_connector_set_edid(nv_connector, NULL);
571 return conn_status;
572 }
573 }
574
575 nv_encoder = nouveau_connector_ddc_detect(connector);
576 if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) {
577 struct edid *new_edid;
578
579 if ((vga_switcheroo_handler_flags() &
580 VGA_SWITCHEROO_CAN_SWITCH_DDC) &&
581 nv_connector->type == DCB_CONNECTOR_LVDS)
582 new_edid = drm_get_edid_switcheroo(connector, i2c);
583 else
584 new_edid = drm_get_edid(connector, i2c);
585
586 nouveau_connector_set_edid(nv_connector, new_edid);
587 if (!nv_connector->edid) {
588 NV_ERROR(drm, "DDC responded, but no EDID for %s\n",
589 connector->name);
590 goto detect_analog;
591 }
592
593 /* Override encoder type for DVI-I based on whether EDID
594 * says the display is digital or analog, both use the
595 * same i2c channel so the value returned from ddc_detect
596 * isn't necessarily correct.
597 */
598 nv_partner = NULL;
599 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS)
600 nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG);
601 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG)
602 nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS);
603
604 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG &&
605 nv_partner->dcb->type == DCB_OUTPUT_TMDS) ||
606 (nv_encoder->dcb->type == DCB_OUTPUT_TMDS &&
607 nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) {
608 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL)
609 type = DCB_OUTPUT_TMDS;
610 else
611 type = DCB_OUTPUT_ANALOG;
612
613 nv_encoder = find_encoder(connector, type);
614 }
615
616 nouveau_connector_set_encoder(connector, nv_encoder);
617 conn_status = connector_status_connected;
618 drm_dp_cec_set_edid(&nv_connector->aux, nv_connector->edid);
619 goto out;
620 } else {
621 nouveau_connector_set_edid(nv_connector, NULL);
622 }
623
624 nv_encoder = nouveau_connector_of_detect(connector);
625 if (nv_encoder) {
626 nouveau_connector_set_encoder(connector, nv_encoder);
627 conn_status = connector_status_connected;
628 goto out;
629 }
630
631 detect_analog:
632 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG);
633 if (!nv_encoder && !nouveau_tv_disable)
634 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV);
635 if (nv_encoder && force) {
636 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
637 const struct drm_encoder_helper_funcs *helper =
638 encoder->helper_private;
639
640 if (helper->detect(encoder, connector) ==
641 connector_status_connected) {
642 nouveau_connector_set_encoder(connector, nv_encoder);
643 conn_status = connector_status_connected;
644 goto out;
645 }
646 }
647
648 out:
649 if (!nv_connector->edid)
650 drm_dp_cec_unset_edid(&nv_connector->aux);
651
652 pm_runtime_mark_last_busy(dev->dev);
653 pm_runtime_put_autosuspend(dev->dev);
654
655 return conn_status;
656 }
657
658 static enum drm_connector_status
nouveau_connector_detect_lvds(struct drm_connector * connector,bool force)659 nouveau_connector_detect_lvds(struct drm_connector *connector, bool force)
660 {
661 struct drm_device *dev = connector->dev;
662 struct nouveau_drm *drm = nouveau_drm(dev);
663 struct nouveau_connector *nv_connector = nouveau_connector(connector);
664 struct nouveau_encoder *nv_encoder = NULL;
665 struct edid *edid = NULL;
666 enum drm_connector_status status = connector_status_disconnected;
667
668 nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS);
669 if (!nv_encoder)
670 goto out;
671
672 /* Try retrieving EDID via DDC */
673 if (!drm->vbios.fp_no_ddc) {
674 status = nouveau_connector_detect(connector, force);
675 if (status == connector_status_connected) {
676 edid = nv_connector->edid;
677 goto out;
678 }
679 }
680
681 /* On some laptops (Sony, i'm looking at you) there appears to
682 * be no direct way of accessing the panel's EDID. The only
683 * option available to us appears to be to ask ACPI for help..
684 *
685 * It's important this check's before trying straps, one of the
686 * said manufacturer's laptops are configured in such a way
687 * the nouveau decides an entry in the VBIOS FP mode table is
688 * valid - it's not (rh#613284)
689 */
690 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) {
691 edid = nouveau_acpi_edid(dev, connector);
692 if (edid) {
693 status = connector_status_connected;
694 goto out;
695 }
696 }
697
698 /* If no EDID found above, and the VBIOS indicates a hardcoded
699 * modeline is avalilable for the panel, set it as the panel's
700 * native mode and exit.
701 */
702 if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc ||
703 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) {
704 status = connector_status_connected;
705 goto out;
706 }
707
708 /* Still nothing, some VBIOS images have a hardcoded EDID block
709 * stored for the panel stored in them.
710 */
711 if (!drm->vbios.fp_no_ddc) {
712 edid = (struct edid *)nouveau_bios_embedded_edid(dev);
713 if (edid) {
714 edid = kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
715 if (edid)
716 status = connector_status_connected;
717 }
718 }
719
720 out:
721 #if defined(CONFIG_ACPI_BUTTON) || \
722 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE))
723 if (status == connector_status_connected &&
724 !nouveau_ignorelid && !acpi_lid_open())
725 status = connector_status_unknown;
726 #endif
727
728 nouveau_connector_set_edid(nv_connector, edid);
729 nouveau_connector_set_encoder(connector, nv_encoder);
730 return status;
731 }
732
733 static void
nouveau_connector_force(struct drm_connector * connector)734 nouveau_connector_force(struct drm_connector *connector)
735 {
736 struct nouveau_drm *drm = nouveau_drm(connector->dev);
737 struct nouveau_connector *nv_connector = nouveau_connector(connector);
738 struct nouveau_encoder *nv_encoder;
739 int type;
740
741 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
742 if (connector->force == DRM_FORCE_ON_DIGITAL)
743 type = DCB_OUTPUT_TMDS;
744 else
745 type = DCB_OUTPUT_ANALOG;
746 } else
747 type = DCB_OUTPUT_ANY;
748
749 nv_encoder = find_encoder(connector, type);
750 if (!nv_encoder) {
751 NV_ERROR(drm, "can't find encoder to force %s on!\n",
752 connector->name);
753 connector->status = connector_status_disconnected;
754 return;
755 }
756
757 nouveau_connector_set_encoder(connector, nv_encoder);
758 }
759
760 static int
nouveau_connector_set_property(struct drm_connector * connector,struct drm_property * property,uint64_t value)761 nouveau_connector_set_property(struct drm_connector *connector,
762 struct drm_property *property, uint64_t value)
763 {
764 struct nouveau_connector *nv_connector = nouveau_connector(connector);
765 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
766 struct nouveau_conn_atom *asyc = &nv_connector->properties_state;
767 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
768 int ret;
769
770 ret = connector->funcs->atomic_set_property(&nv_connector->base,
771 &asyc->state,
772 property, value);
773 if (ret) {
774 if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV)
775 return get_slave_funcs(encoder)->set_property(
776 encoder, connector, property, value);
777 return ret;
778 }
779
780 nv_connector->scaling_mode = asyc->scaler.mode;
781 nv_connector->dithering_mode = asyc->dither.mode;
782
783 if (connector->encoder && connector->encoder->crtc) {
784 ret = drm_crtc_helper_set_mode(connector->encoder->crtc,
785 &connector->encoder->crtc->mode,
786 connector->encoder->crtc->x,
787 connector->encoder->crtc->y,
788 NULL);
789 if (!ret)
790 return -EINVAL;
791 }
792
793 return 0;
794 }
795
796 struct moderec {
797 int hdisplay;
798 int vdisplay;
799 };
800
801 static struct moderec scaler_modes[] = {
802 { 1920, 1200 },
803 { 1920, 1080 },
804 { 1680, 1050 },
805 { 1600, 1200 },
806 { 1400, 1050 },
807 { 1280, 1024 },
808 { 1280, 960 },
809 { 1152, 864 },
810 { 1024, 768 },
811 { 800, 600 },
812 { 720, 400 },
813 { 640, 480 },
814 { 640, 400 },
815 { 640, 350 },
816 {}
817 };
818
819 static int
nouveau_connector_scaler_modes_add(struct drm_connector * connector)820 nouveau_connector_scaler_modes_add(struct drm_connector *connector)
821 {
822 struct nouveau_connector *nv_connector = nouveau_connector(connector);
823 struct drm_display_mode *native = nv_connector->native_mode, *m;
824 struct drm_device *dev = connector->dev;
825 struct moderec *mode = &scaler_modes[0];
826 int modes = 0;
827
828 if (!native)
829 return 0;
830
831 while (mode->hdisplay) {
832 if (mode->hdisplay <= native->hdisplay &&
833 mode->vdisplay <= native->vdisplay &&
834 (mode->hdisplay != native->hdisplay ||
835 mode->vdisplay != native->vdisplay)) {
836 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay,
837 drm_mode_vrefresh(native), false,
838 false, false);
839 if (!m)
840 continue;
841
842 drm_mode_probed_add(connector, m);
843 modes++;
844 }
845
846 mode++;
847 }
848
849 return modes;
850 }
851
852 static void
nouveau_connector_detect_depth(struct drm_connector * connector)853 nouveau_connector_detect_depth(struct drm_connector *connector)
854 {
855 struct nouveau_drm *drm = nouveau_drm(connector->dev);
856 struct nouveau_connector *nv_connector = nouveau_connector(connector);
857 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
858 struct nvbios *bios = &drm->vbios;
859 struct drm_display_mode *mode = nv_connector->native_mode;
860 bool duallink;
861
862 /* if the edid is feeling nice enough to provide this info, use it */
863 if (nv_connector->edid && connector->display_info.bpc)
864 return;
865
866 /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */
867 if (nv_connector->type == DCB_CONNECTOR_eDP) {
868 connector->display_info.bpc = 6;
869 return;
870 }
871
872 /* we're out of options unless we're LVDS, default to 8bpc */
873 if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) {
874 connector->display_info.bpc = 8;
875 return;
876 }
877
878 connector->display_info.bpc = 6;
879
880 /* LVDS: panel straps */
881 if (bios->fp_no_ddc) {
882 if (bios->fp.if_is_24bit)
883 connector->display_info.bpc = 8;
884 return;
885 }
886
887 /* LVDS: DDC panel, need to first determine the number of links to
888 * know which if_is_24bit flag to check...
889 */
890 if (nv_connector->edid &&
891 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG)
892 duallink = ((u8 *)nv_connector->edid)[121] == 2;
893 else
894 duallink = mode->clock >= bios->fp.duallink_transition_clk;
895
896 if ((!duallink && (bios->fp.strapless_is_24bit & 1)) ||
897 ( duallink && (bios->fp.strapless_is_24bit & 2)))
898 connector->display_info.bpc = 8;
899 }
900
901 static int
nouveau_connector_late_register(struct drm_connector * connector)902 nouveau_connector_late_register(struct drm_connector *connector)
903 {
904 int ret;
905
906 ret = nouveau_backlight_init(connector);
907
908 return ret;
909 }
910
911 static void
nouveau_connector_early_unregister(struct drm_connector * connector)912 nouveau_connector_early_unregister(struct drm_connector *connector)
913 {
914 nouveau_backlight_fini(connector);
915 }
916
917 static int
nouveau_connector_get_modes(struct drm_connector * connector)918 nouveau_connector_get_modes(struct drm_connector *connector)
919 {
920 struct drm_device *dev = connector->dev;
921 struct nouveau_drm *drm = nouveau_drm(dev);
922 struct nouveau_connector *nv_connector = nouveau_connector(connector);
923 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
924 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
925 int ret = 0;
926
927 /* destroy the native mode, the attached monitor could have changed.
928 */
929 if (nv_connector->native_mode) {
930 drm_mode_destroy(dev, nv_connector->native_mode);
931 nv_connector->native_mode = NULL;
932 }
933
934 if (nv_connector->edid)
935 ret = drm_add_edid_modes(connector, nv_connector->edid);
936 else
937 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS &&
938 (nv_encoder->dcb->lvdsconf.use_straps_for_mode ||
939 drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) {
940 struct drm_display_mode mode;
941
942 nouveau_bios_fp_mode(dev, &mode);
943 nv_connector->native_mode = drm_mode_duplicate(dev, &mode);
944 }
945
946 /* Determine display colour depth for everything except LVDS now,
947 * DP requires this before mode_valid() is called.
948 */
949 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS)
950 nouveau_connector_detect_depth(connector);
951
952 /* Find the native mode if this is a digital panel, if we didn't
953 * find any modes through DDC previously add the native mode to
954 * the list of modes.
955 */
956 if (!nv_connector->native_mode)
957 nv_connector->native_mode = nouveau_conn_native_mode(connector);
958 if (ret == 0 && nv_connector->native_mode) {
959 struct drm_display_mode *mode;
960
961 mode = drm_mode_duplicate(dev, nv_connector->native_mode);
962 drm_mode_probed_add(connector, mode);
963 ret = 1;
964 }
965
966 /* Determine LVDS colour depth, must happen after determining
967 * "native" mode as some VBIOS tables require us to use the
968 * pixel clock as part of the lookup...
969 */
970 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
971 nouveau_connector_detect_depth(connector);
972
973 if (nv_encoder->dcb->type == DCB_OUTPUT_TV)
974 ret = get_slave_funcs(encoder)->get_modes(encoder, connector);
975
976 if (nv_connector->type == DCB_CONNECTOR_LVDS ||
977 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG ||
978 nv_connector->type == DCB_CONNECTOR_eDP)
979 ret += nouveau_connector_scaler_modes_add(connector);
980
981 return ret;
982 }
983
984 static unsigned
get_tmds_link_bandwidth(struct drm_connector * connector)985 get_tmds_link_bandwidth(struct drm_connector *connector)
986 {
987 struct nouveau_connector *nv_connector = nouveau_connector(connector);
988 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
989 struct nouveau_drm *drm = nouveau_drm(connector->dev);
990 struct dcb_output *dcb = nv_connector->detected_encoder->dcb;
991 struct drm_display_info *info = NULL;
992 unsigned duallink_scale =
993 nouveau_duallink && nv_encoder->dcb->duallink_possible ? 2 : 1;
994
995 if (drm_detect_hdmi_monitor(nv_connector->edid)) {
996 info = &nv_connector->base.display_info;
997 duallink_scale = 1;
998 }
999
1000 if (info) {
1001 if (nouveau_hdmimhz > 0)
1002 return nouveau_hdmimhz * 1000;
1003 /* Note: these limits are conservative, some Fermi's
1004 * can do 297 MHz. Unclear how this can be determined.
1005 */
1006 if (drm->client.device.info.chipset >= 0x120) {
1007 const int max_tmds_clock =
1008 info->hdmi.scdc.scrambling.supported ?
1009 594000 : 340000;
1010 return info->max_tmds_clock ?
1011 min(info->max_tmds_clock, max_tmds_clock) :
1012 max_tmds_clock;
1013 }
1014 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_KEPLER)
1015 return 297000;
1016 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_FERMI)
1017 return 225000;
1018 }
1019
1020 if (dcb->location != DCB_LOC_ON_CHIP ||
1021 drm->client.device.info.chipset >= 0x46)
1022 return 165000 * duallink_scale;
1023 else if (drm->client.device.info.chipset >= 0x40)
1024 return 155000 * duallink_scale;
1025 else if (drm->client.device.info.chipset >= 0x18)
1026 return 135000 * duallink_scale;
1027 else
1028 return 112000 * duallink_scale;
1029 }
1030
1031 static enum drm_mode_status
nouveau_connector_mode_valid(struct drm_connector * connector,struct drm_display_mode * mode)1032 nouveau_connector_mode_valid(struct drm_connector *connector,
1033 struct drm_display_mode *mode)
1034 {
1035 struct nouveau_connector *nv_connector = nouveau_connector(connector);
1036 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
1037 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
1038 unsigned int min_clock = 25000, max_clock = min_clock, clock = mode->clock;
1039
1040 switch (nv_encoder->dcb->type) {
1041 case DCB_OUTPUT_LVDS:
1042 if (nv_connector->native_mode &&
1043 (mode->hdisplay > nv_connector->native_mode->hdisplay ||
1044 mode->vdisplay > nv_connector->native_mode->vdisplay))
1045 return MODE_PANEL;
1046
1047 min_clock = 0;
1048 max_clock = 400000;
1049 break;
1050 case DCB_OUTPUT_TMDS:
1051 max_clock = get_tmds_link_bandwidth(connector);
1052 break;
1053 case DCB_OUTPUT_ANALOG:
1054 max_clock = nv_encoder->dcb->crtconf.maxfreq;
1055 if (!max_clock)
1056 max_clock = 350000;
1057 break;
1058 case DCB_OUTPUT_TV:
1059 return get_slave_funcs(encoder)->mode_valid(encoder, mode);
1060 case DCB_OUTPUT_DP:
1061 return nv50_dp_mode_valid(connector, nv_encoder, mode, NULL);
1062 default:
1063 BUG();
1064 return MODE_BAD;
1065 }
1066
1067 if ((mode->flags & DRM_MODE_FLAG_3D_MASK) == DRM_MODE_FLAG_3D_FRAME_PACKING)
1068 clock *= 2;
1069
1070 if (clock < min_clock)
1071 return MODE_CLOCK_LOW;
1072 if (clock > max_clock)
1073 return MODE_CLOCK_HIGH;
1074
1075 return MODE_OK;
1076 }
1077
1078 static struct drm_encoder *
nouveau_connector_best_encoder(struct drm_connector * connector)1079 nouveau_connector_best_encoder(struct drm_connector *connector)
1080 {
1081 struct nouveau_connector *nv_connector = nouveau_connector(connector);
1082
1083 if (nv_connector->detected_encoder)
1084 return to_drm_encoder(nv_connector->detected_encoder);
1085
1086 return NULL;
1087 }
1088
1089 static const struct drm_connector_helper_funcs
1090 nouveau_connector_helper_funcs = {
1091 .get_modes = nouveau_connector_get_modes,
1092 .mode_valid = nouveau_connector_mode_valid,
1093 .best_encoder = nouveau_connector_best_encoder,
1094 };
1095
1096 static const struct drm_connector_funcs
1097 nouveau_connector_funcs = {
1098 .dpms = drm_helper_connector_dpms,
1099 .reset = nouveau_conn_reset,
1100 .detect = nouveau_connector_detect,
1101 .force = nouveau_connector_force,
1102 .fill_modes = drm_helper_probe_single_connector_modes,
1103 .set_property = nouveau_connector_set_property,
1104 .destroy = nouveau_connector_destroy,
1105 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state,
1106 .atomic_destroy_state = nouveau_conn_atomic_destroy_state,
1107 .atomic_set_property = nouveau_conn_atomic_set_property,
1108 .atomic_get_property = nouveau_conn_atomic_get_property,
1109 .late_register = nouveau_connector_late_register,
1110 .early_unregister = nouveau_connector_early_unregister,
1111 };
1112
1113 static const struct drm_connector_funcs
1114 nouveau_connector_funcs_lvds = {
1115 .dpms = drm_helper_connector_dpms,
1116 .reset = nouveau_conn_reset,
1117 .detect = nouveau_connector_detect_lvds,
1118 .force = nouveau_connector_force,
1119 .fill_modes = drm_helper_probe_single_connector_modes,
1120 .set_property = nouveau_connector_set_property,
1121 .destroy = nouveau_connector_destroy,
1122 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state,
1123 .atomic_destroy_state = nouveau_conn_atomic_destroy_state,
1124 .atomic_set_property = nouveau_conn_atomic_set_property,
1125 .atomic_get_property = nouveau_conn_atomic_get_property,
1126 .late_register = nouveau_connector_late_register,
1127 .early_unregister = nouveau_connector_early_unregister,
1128 };
1129
1130 void
nouveau_connector_hpd(struct drm_connector * connector)1131 nouveau_connector_hpd(struct drm_connector *connector)
1132 {
1133 struct nouveau_drm *drm = nouveau_drm(connector->dev);
1134 u32 mask = drm_connector_mask(connector);
1135
1136 mutex_lock(&drm->hpd_lock);
1137 if (!(drm->hpd_pending & mask)) {
1138 drm->hpd_pending |= mask;
1139 schedule_work(&drm->hpd_work);
1140 }
1141 mutex_unlock(&drm->hpd_lock);
1142 }
1143
1144 static int
nouveau_connector_hotplug(struct nvif_notify * notify)1145 nouveau_connector_hotplug(struct nvif_notify *notify)
1146 {
1147 struct nouveau_connector *nv_connector =
1148 container_of(notify, typeof(*nv_connector), hpd);
1149 struct drm_connector *connector = &nv_connector->base;
1150 struct drm_device *dev = connector->dev;
1151 struct nouveau_drm *drm = nouveau_drm(dev);
1152 const struct nvif_notify_conn_rep_v0 *rep = notify->data;
1153 bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG);
1154
1155 if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) {
1156 nouveau_dp_irq(drm, nv_connector);
1157 return NVIF_NOTIFY_KEEP;
1158 }
1159
1160 NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", connector->name);
1161 nouveau_connector_hpd(connector);
1162
1163 return NVIF_NOTIFY_KEEP;
1164 }
1165
1166 static ssize_t
nouveau_connector_aux_xfer(struct drm_dp_aux * obj,struct drm_dp_aux_msg * msg)1167 nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg)
1168 {
1169 struct nouveau_connector *nv_connector =
1170 container_of(obj, typeof(*nv_connector), aux);
1171 struct nouveau_encoder *nv_encoder;
1172 struct nvkm_i2c_aux *aux;
1173 u8 size = msg->size;
1174 int ret;
1175
1176 nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP);
1177 if (!nv_encoder || !(aux = nv_encoder->aux))
1178 return -ENODEV;
1179 if (WARN_ON(msg->size > 16))
1180 return -E2BIG;
1181
1182 ret = nvkm_i2c_aux_acquire(aux);
1183 if (ret)
1184 return ret;
1185
1186 ret = nvkm_i2c_aux_xfer(aux, false, msg->request, msg->address,
1187 msg->buffer, &size);
1188 nvkm_i2c_aux_release(aux);
1189 if (ret >= 0) {
1190 msg->reply = ret;
1191 return size;
1192 }
1193
1194 return ret;
1195 }
1196
1197 static int
drm_conntype_from_dcb(enum dcb_connector_type dcb)1198 drm_conntype_from_dcb(enum dcb_connector_type dcb)
1199 {
1200 switch (dcb) {
1201 case DCB_CONNECTOR_VGA : return DRM_MODE_CONNECTOR_VGA;
1202 case DCB_CONNECTOR_TV_0 :
1203 case DCB_CONNECTOR_TV_1 :
1204 case DCB_CONNECTOR_TV_3 : return DRM_MODE_CONNECTOR_TV;
1205 case DCB_CONNECTOR_DMS59_0 :
1206 case DCB_CONNECTOR_DMS59_1 :
1207 case DCB_CONNECTOR_DVI_I : return DRM_MODE_CONNECTOR_DVII;
1208 case DCB_CONNECTOR_DVI_D : return DRM_MODE_CONNECTOR_DVID;
1209 case DCB_CONNECTOR_LVDS :
1210 case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS;
1211 case DCB_CONNECTOR_DMS59_DP0:
1212 case DCB_CONNECTOR_DMS59_DP1:
1213 case DCB_CONNECTOR_DP :
1214 case DCB_CONNECTOR_mDP :
1215 case DCB_CONNECTOR_USB_C : return DRM_MODE_CONNECTOR_DisplayPort;
1216 case DCB_CONNECTOR_eDP : return DRM_MODE_CONNECTOR_eDP;
1217 case DCB_CONNECTOR_HDMI_0 :
1218 case DCB_CONNECTOR_HDMI_1 :
1219 case DCB_CONNECTOR_HDMI_C : return DRM_MODE_CONNECTOR_HDMIA;
1220 case DCB_CONNECTOR_WFD : return DRM_MODE_CONNECTOR_VIRTUAL;
1221 default:
1222 break;
1223 }
1224
1225 return DRM_MODE_CONNECTOR_Unknown;
1226 }
1227
1228 struct drm_connector *
nouveau_connector_create(struct drm_device * dev,const struct dcb_output * dcbe)1229 nouveau_connector_create(struct drm_device *dev,
1230 const struct dcb_output *dcbe)
1231 {
1232 const struct drm_connector_funcs *funcs = &nouveau_connector_funcs;
1233 struct nouveau_drm *drm = nouveau_drm(dev);
1234 struct nouveau_display *disp = nouveau_display(dev);
1235 struct nouveau_connector *nv_connector = NULL;
1236 struct drm_connector *connector;
1237 struct drm_connector_list_iter conn_iter;
1238 char aux_name[48] = {0};
1239 int index = dcbe->connector;
1240 int type, ret = 0;
1241 bool dummy;
1242
1243 drm_connector_list_iter_begin(dev, &conn_iter);
1244 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
1245 nv_connector = nouveau_connector(connector);
1246 if (nv_connector->index == index) {
1247 drm_connector_list_iter_end(&conn_iter);
1248 return connector;
1249 }
1250 }
1251 drm_connector_list_iter_end(&conn_iter);
1252
1253 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL);
1254 if (!nv_connector)
1255 return ERR_PTR(-ENOMEM);
1256
1257 connector = &nv_connector->base;
1258 nv_connector->index = index;
1259
1260 /* attempt to parse vbios connector type and hotplug gpio */
1261 nv_connector->dcb = olddcb_conn(dev, index);
1262 if (nv_connector->dcb) {
1263 u32 entry = ROM16(nv_connector->dcb[0]);
1264 if (olddcb_conntab(dev)[3] >= 4)
1265 entry |= (u32)ROM16(nv_connector->dcb[2]) << 16;
1266
1267 nv_connector->type = nv_connector->dcb[0];
1268 if (drm_conntype_from_dcb(nv_connector->type) ==
1269 DRM_MODE_CONNECTOR_Unknown) {
1270 NV_WARN(drm, "unknown connector type %02x\n",
1271 nv_connector->type);
1272 nv_connector->type = DCB_CONNECTOR_NONE;
1273 }
1274
1275 /* Gigabyte NX85T */
1276 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) {
1277 if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1278 nv_connector->type = DCB_CONNECTOR_DVI_I;
1279 }
1280
1281 /* Gigabyte GV-NX86T512H */
1282 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) {
1283 if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1284 nv_connector->type = DCB_CONNECTOR_DVI_I;
1285 }
1286 } else {
1287 nv_connector->type = DCB_CONNECTOR_NONE;
1288 }
1289
1290 /* no vbios data, or an unknown dcb connector type - attempt to
1291 * figure out something suitable ourselves
1292 */
1293 if (nv_connector->type == DCB_CONNECTOR_NONE) {
1294 struct nouveau_drm *drm = nouveau_drm(dev);
1295 struct dcb_table *dcbt = &drm->vbios.dcb;
1296 u32 encoders = 0;
1297 int i;
1298
1299 for (i = 0; i < dcbt->entries; i++) {
1300 if (dcbt->entry[i].connector == nv_connector->index)
1301 encoders |= (1 << dcbt->entry[i].type);
1302 }
1303
1304 if (encoders & (1 << DCB_OUTPUT_DP)) {
1305 if (encoders & (1 << DCB_OUTPUT_TMDS))
1306 nv_connector->type = DCB_CONNECTOR_DP;
1307 else
1308 nv_connector->type = DCB_CONNECTOR_eDP;
1309 } else
1310 if (encoders & (1 << DCB_OUTPUT_TMDS)) {
1311 if (encoders & (1 << DCB_OUTPUT_ANALOG))
1312 nv_connector->type = DCB_CONNECTOR_DVI_I;
1313 else
1314 nv_connector->type = DCB_CONNECTOR_DVI_D;
1315 } else
1316 if (encoders & (1 << DCB_OUTPUT_ANALOG)) {
1317 nv_connector->type = DCB_CONNECTOR_VGA;
1318 } else
1319 if (encoders & (1 << DCB_OUTPUT_LVDS)) {
1320 nv_connector->type = DCB_CONNECTOR_LVDS;
1321 } else
1322 if (encoders & (1 << DCB_OUTPUT_TV)) {
1323 nv_connector->type = DCB_CONNECTOR_TV_0;
1324 }
1325 }
1326
1327 switch ((type = drm_conntype_from_dcb(nv_connector->type))) {
1328 case DRM_MODE_CONNECTOR_LVDS:
1329 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy);
1330 if (ret) {
1331 NV_ERROR(drm, "Error parsing LVDS table, disabling\n");
1332 kfree(nv_connector);
1333 return ERR_PTR(ret);
1334 }
1335
1336 funcs = &nouveau_connector_funcs_lvds;
1337 break;
1338 case DRM_MODE_CONNECTOR_DisplayPort:
1339 case DRM_MODE_CONNECTOR_eDP:
1340 nv_connector->aux.dev = connector->kdev;
1341 nv_connector->aux.transfer = nouveau_connector_aux_xfer;
1342 snprintf(aux_name, sizeof(aux_name), "sor-%04x-%04x",
1343 dcbe->hasht, dcbe->hashm);
1344 nv_connector->aux.name = kstrdup(aux_name, GFP_KERNEL);
1345 ret = drm_dp_aux_register(&nv_connector->aux);
1346 if (ret) {
1347 NV_ERROR(drm, "failed to register aux channel\n");
1348 kfree(nv_connector);
1349 return ERR_PTR(ret);
1350 }
1351 funcs = &nouveau_connector_funcs;
1352 break;
1353 default:
1354 funcs = &nouveau_connector_funcs;
1355 break;
1356 }
1357
1358 /* HDMI 3D support */
1359 if ((disp->disp.object.oclass >= G82_DISP)
1360 && ((type == DRM_MODE_CONNECTOR_DisplayPort)
1361 || (type == DRM_MODE_CONNECTOR_eDP)
1362 || (type == DRM_MODE_CONNECTOR_HDMIA)))
1363 connector->stereo_allowed = true;
1364
1365 /* defaults, will get overridden in detect() */
1366 connector->interlace_allowed = false;
1367 connector->doublescan_allowed = false;
1368
1369 drm_connector_init(dev, connector, funcs, type);
1370 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs);
1371
1372 connector->funcs->reset(connector);
1373 nouveau_conn_attach_properties(connector);
1374
1375 /* Default scaling mode */
1376 switch (nv_connector->type) {
1377 case DCB_CONNECTOR_LVDS:
1378 case DCB_CONNECTOR_LVDS_SPWG:
1379 case DCB_CONNECTOR_eDP:
1380 /* see note in nouveau_connector_set_property() */
1381 if (disp->disp.object.oclass < NV50_DISP) {
1382 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
1383 break;
1384 }
1385 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1386 break;
1387 default:
1388 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1389 break;
1390 }
1391
1392 /* dithering properties */
1393 switch (nv_connector->type) {
1394 case DCB_CONNECTOR_TV_0:
1395 case DCB_CONNECTOR_TV_1:
1396 case DCB_CONNECTOR_TV_3:
1397 case DCB_CONNECTOR_VGA:
1398 break;
1399 default:
1400 nv_connector->dithering_mode = DITHERING_MODE_AUTO;
1401 break;
1402 }
1403
1404 switch (type) {
1405 case DRM_MODE_CONNECTOR_DisplayPort:
1406 case DRM_MODE_CONNECTOR_eDP:
1407 drm_dp_cec_register_connector(&nv_connector->aux, connector);
1408 break;
1409 }
1410
1411 ret = nvif_notify_ctor(&disp->disp.object, "kmsHotplug",
1412 nouveau_connector_hotplug,
1413 true, NV04_DISP_NTFY_CONN,
1414 &(struct nvif_notify_conn_req_v0) {
1415 .mask = NVIF_NOTIFY_CONN_V0_ANY,
1416 .conn = index,
1417 },
1418 sizeof(struct nvif_notify_conn_req_v0),
1419 sizeof(struct nvif_notify_conn_rep_v0),
1420 &nv_connector->hpd);
1421 if (ret)
1422 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1423 else
1424 connector->polled = DRM_CONNECTOR_POLL_HPD;
1425
1426 drm_connector_register(connector);
1427 return connector;
1428 }
1429