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 "nouveau_acpi.h"
42
43 #include "nouveau_display.h"
44 #include "nouveau_connector.h"
45 #include "nouveau_encoder.h"
46 #include "nouveau_crtc.h"
47
48 #include <nvif/class.h>
49 #include <nvif/cl0046.h>
50 #include <nvif/event.h>
51
52 struct drm_display_mode *
nouveau_conn_native_mode(struct drm_connector * connector)53 nouveau_conn_native_mode(struct drm_connector *connector)
54 {
55 const struct drm_connector_helper_funcs *helper = connector->helper_private;
56 struct nouveau_drm *drm = nouveau_drm(connector->dev);
57 struct drm_device *dev = connector->dev;
58 struct drm_display_mode *mode, *largest = NULL;
59 int high_w = 0, high_h = 0, high_v = 0;
60
61 list_for_each_entry(mode, &connector->probed_modes, head) {
62 mode->vrefresh = drm_mode_vrefresh(mode);
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 mode->vrefresh < high_v)
84 continue;
85
86 high_w = mode->hdisplay;
87 high_h = mode->vdisplay;
88 high_v = mode->vrefresh;
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 /* Fall-through. */
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 int i;
383
384 drm_connector_for_each_possible_encoder(connector, enc, i) {
385 nv_encoder = nouveau_encoder(enc);
386
387 if (type == DCB_OUTPUT_ANY ||
388 (nv_encoder->dcb && nv_encoder->dcb->type == type))
389 return nv_encoder;
390 }
391
392 return NULL;
393 }
394
395 struct nouveau_connector *
nouveau_encoder_connector_get(struct nouveau_encoder * encoder)396 nouveau_encoder_connector_get(struct nouveau_encoder *encoder)
397 {
398 struct drm_device *dev = to_drm_encoder(encoder)->dev;
399 struct drm_connector *drm_connector;
400
401 list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) {
402 if (drm_connector->encoder == to_drm_encoder(encoder))
403 return nouveau_connector(drm_connector);
404 }
405
406 return NULL;
407 }
408
409 static void
nouveau_connector_destroy(struct drm_connector * connector)410 nouveau_connector_destroy(struct drm_connector *connector)
411 {
412 struct nouveau_connector *nv_connector = nouveau_connector(connector);
413 nvif_notify_fini(&nv_connector->hpd);
414 kfree(nv_connector->edid);
415 drm_connector_unregister(connector);
416 drm_connector_cleanup(connector);
417 if (nv_connector->aux.transfer) {
418 drm_dp_cec_unregister_connector(&nv_connector->aux);
419 drm_dp_aux_unregister(&nv_connector->aux);
420 kfree(nv_connector->aux.name);
421 }
422 kfree(connector);
423 }
424
425 static struct nouveau_encoder *
nouveau_connector_ddc_detect(struct drm_connector * connector)426 nouveau_connector_ddc_detect(struct drm_connector *connector)
427 {
428 struct drm_device *dev = connector->dev;
429 struct nouveau_encoder *nv_encoder = NULL, *found = NULL;
430 struct drm_encoder *encoder;
431 int i, ret;
432 bool switcheroo_ddc = false;
433
434 drm_connector_for_each_possible_encoder(connector, encoder, i) {
435 nv_encoder = nouveau_encoder(encoder);
436
437 switch (nv_encoder->dcb->type) {
438 case DCB_OUTPUT_DP:
439 ret = nouveau_dp_detect(nv_encoder);
440 if (ret == NOUVEAU_DP_MST)
441 return NULL;
442 else if (ret == NOUVEAU_DP_SST)
443 found = nv_encoder;
444
445 break;
446 case DCB_OUTPUT_LVDS:
447 switcheroo_ddc = !!(vga_switcheroo_handler_flags() &
448 VGA_SWITCHEROO_CAN_SWITCH_DDC);
449 /* fall-through */
450 default:
451 if (!nv_encoder->i2c)
452 break;
453
454 if (switcheroo_ddc)
455 vga_switcheroo_lock_ddc(dev->pdev);
456 if (nvkm_probe_i2c(nv_encoder->i2c, 0x50))
457 found = nv_encoder;
458 if (switcheroo_ddc)
459 vga_switcheroo_unlock_ddc(dev->pdev);
460
461 break;
462 }
463 if (found)
464 break;
465 }
466
467 return found;
468 }
469
470 static struct nouveau_encoder *
nouveau_connector_of_detect(struct drm_connector * connector)471 nouveau_connector_of_detect(struct drm_connector *connector)
472 {
473 #ifdef __powerpc__
474 struct drm_device *dev = connector->dev;
475 struct nouveau_connector *nv_connector = nouveau_connector(connector);
476 struct nouveau_encoder *nv_encoder;
477 struct device_node *cn, *dn = pci_device_to_OF_node(dev->pdev);
478
479 if (!dn ||
480 !((nv_encoder = find_encoder(connector, DCB_OUTPUT_TMDS)) ||
481 (nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG))))
482 return NULL;
483
484 for_each_child_of_node(dn, cn) {
485 const char *name = of_get_property(cn, "name", NULL);
486 const void *edid = of_get_property(cn, "EDID", NULL);
487 int idx = name ? name[strlen(name) - 1] - 'A' : 0;
488
489 if (nv_encoder->dcb->i2c_index == idx && edid) {
490 nv_connector->edid =
491 kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
492 of_node_put(cn);
493 return nv_encoder;
494 }
495 }
496 #endif
497 return NULL;
498 }
499
500 static void
nouveau_connector_set_encoder(struct drm_connector * connector,struct nouveau_encoder * nv_encoder)501 nouveau_connector_set_encoder(struct drm_connector *connector,
502 struct nouveau_encoder *nv_encoder)
503 {
504 struct nouveau_connector *nv_connector = nouveau_connector(connector);
505 struct nouveau_drm *drm = nouveau_drm(connector->dev);
506 struct drm_device *dev = connector->dev;
507
508 if (nv_connector->detected_encoder == nv_encoder)
509 return;
510 nv_connector->detected_encoder = nv_encoder;
511
512 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
513 connector->interlace_allowed = true;
514 connector->doublescan_allowed = true;
515 } else
516 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS ||
517 nv_encoder->dcb->type == DCB_OUTPUT_TMDS) {
518 connector->doublescan_allowed = false;
519 connector->interlace_allowed = false;
520 } else {
521 connector->doublescan_allowed = true;
522 if (drm->client.device.info.family == NV_DEVICE_INFO_V0_KELVIN ||
523 (drm->client.device.info.family == NV_DEVICE_INFO_V0_CELSIUS &&
524 (dev->pdev->device & 0x0ff0) != 0x0100 &&
525 (dev->pdev->device & 0x0ff0) != 0x0150))
526 /* HW is broken */
527 connector->interlace_allowed = false;
528 else
529 connector->interlace_allowed = true;
530 }
531
532 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
533 drm_object_property_set_value(&connector->base,
534 dev->mode_config.dvi_i_subconnector_property,
535 nv_encoder->dcb->type == DCB_OUTPUT_TMDS ?
536 DRM_MODE_SUBCONNECTOR_DVID :
537 DRM_MODE_SUBCONNECTOR_DVIA);
538 }
539 }
540
541 static enum drm_connector_status
nouveau_connector_detect(struct drm_connector * connector,bool force)542 nouveau_connector_detect(struct drm_connector *connector, bool force)
543 {
544 struct drm_device *dev = connector->dev;
545 struct nouveau_drm *drm = nouveau_drm(dev);
546 struct nouveau_connector *nv_connector = nouveau_connector(connector);
547 struct nouveau_encoder *nv_encoder = NULL;
548 struct nouveau_encoder *nv_partner;
549 struct i2c_adapter *i2c;
550 int type;
551 int ret;
552 enum drm_connector_status conn_status = connector_status_disconnected;
553
554 /* Cleanup the previous EDID block. */
555 if (nv_connector->edid) {
556 drm_connector_update_edid_property(connector, NULL);
557 kfree(nv_connector->edid);
558 nv_connector->edid = NULL;
559 }
560
561 /* Outputs are only polled while runtime active, so resuming the
562 * device here is unnecessary (and would deadlock upon runtime suspend
563 * because it waits for polling to finish). We do however, want to
564 * prevent the autosuspend timer from elapsing during this operation
565 * if possible.
566 */
567 if (drm_kms_helper_is_poll_worker()) {
568 pm_runtime_get_noresume(dev->dev);
569 } else {
570 ret = pm_runtime_get_sync(dev->dev);
571 if (ret < 0 && ret != -EACCES)
572 return conn_status;
573 }
574
575 nv_encoder = nouveau_connector_ddc_detect(connector);
576 if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) {
577 if ((vga_switcheroo_handler_flags() &
578 VGA_SWITCHEROO_CAN_SWITCH_DDC) &&
579 nv_connector->type == DCB_CONNECTOR_LVDS)
580 nv_connector->edid = drm_get_edid_switcheroo(connector,
581 i2c);
582 else
583 nv_connector->edid = drm_get_edid(connector, i2c);
584
585 drm_connector_update_edid_property(connector,
586 nv_connector->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 }
621
622 nv_encoder = nouveau_connector_of_detect(connector);
623 if (nv_encoder) {
624 nouveau_connector_set_encoder(connector, nv_encoder);
625 conn_status = connector_status_connected;
626 goto out;
627 }
628
629 detect_analog:
630 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG);
631 if (!nv_encoder && !nouveau_tv_disable)
632 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV);
633 if (nv_encoder && force) {
634 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
635 const struct drm_encoder_helper_funcs *helper =
636 encoder->helper_private;
637
638 if (helper->detect(encoder, connector) ==
639 connector_status_connected) {
640 nouveau_connector_set_encoder(connector, nv_encoder);
641 conn_status = connector_status_connected;
642 goto out;
643 }
644
645 }
646
647 out:
648
649 pm_runtime_mark_last_busy(dev->dev);
650 pm_runtime_put_autosuspend(dev->dev);
651
652 return conn_status;
653 }
654
655 static enum drm_connector_status
nouveau_connector_detect_lvds(struct drm_connector * connector,bool force)656 nouveau_connector_detect_lvds(struct drm_connector *connector, bool force)
657 {
658 struct drm_device *dev = connector->dev;
659 struct nouveau_drm *drm = nouveau_drm(dev);
660 struct nouveau_connector *nv_connector = nouveau_connector(connector);
661 struct nouveau_encoder *nv_encoder = NULL;
662 enum drm_connector_status status = connector_status_disconnected;
663
664 /* Cleanup the previous EDID block. */
665 if (nv_connector->edid) {
666 drm_connector_update_edid_property(connector, NULL);
667 kfree(nv_connector->edid);
668 nv_connector->edid = NULL;
669 }
670
671 nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS);
672 if (!nv_encoder)
673 return connector_status_disconnected;
674
675 /* Try retrieving EDID via DDC */
676 if (!drm->vbios.fp_no_ddc) {
677 status = nouveau_connector_detect(connector, force);
678 if (status == connector_status_connected)
679 goto out;
680 }
681
682 /* On some laptops (Sony, i'm looking at you) there appears to
683 * be no direct way of accessing the panel's EDID. The only
684 * option available to us appears to be to ask ACPI for help..
685 *
686 * It's important this check's before trying straps, one of the
687 * said manufacturer's laptops are configured in such a way
688 * the nouveau decides an entry in the VBIOS FP mode table is
689 * valid - it's not (rh#613284)
690 */
691 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) {
692 if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) {
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 struct edid *edid =
713 (struct edid *)nouveau_bios_embedded_edid(dev);
714 if (edid) {
715 nv_connector->edid =
716 kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
717 if (nv_connector->edid)
718 status = connector_status_connected;
719 }
720 }
721
722 out:
723 #if defined(CONFIG_ACPI_BUTTON) || \
724 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE))
725 if (status == connector_status_connected &&
726 !nouveau_ignorelid && !acpi_lid_open())
727 status = connector_status_unknown;
728 #endif
729
730 drm_connector_update_edid_property(connector, nv_connector->edid);
731 nouveau_connector_set_encoder(connector, nv_encoder);
732 return status;
733 }
734
735 static void
nouveau_connector_force(struct drm_connector * connector)736 nouveau_connector_force(struct drm_connector *connector)
737 {
738 struct nouveau_drm *drm = nouveau_drm(connector->dev);
739 struct nouveau_connector *nv_connector = nouveau_connector(connector);
740 struct nouveau_encoder *nv_encoder;
741 int type;
742
743 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
744 if (connector->force == DRM_FORCE_ON_DIGITAL)
745 type = DCB_OUTPUT_TMDS;
746 else
747 type = DCB_OUTPUT_ANALOG;
748 } else
749 type = DCB_OUTPUT_ANY;
750
751 nv_encoder = find_encoder(connector, type);
752 if (!nv_encoder) {
753 NV_ERROR(drm, "can't find encoder to force %s on!\n",
754 connector->name);
755 connector->status = connector_status_disconnected;
756 return;
757 }
758
759 nouveau_connector_set_encoder(connector, nv_encoder);
760 }
761
762 static int
nouveau_connector_set_property(struct drm_connector * connector,struct drm_property * property,uint64_t value)763 nouveau_connector_set_property(struct drm_connector *connector,
764 struct drm_property *property, uint64_t value)
765 {
766 struct nouveau_connector *nv_connector = nouveau_connector(connector);
767 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
768 struct nouveau_conn_atom *asyc = &nv_connector->properties_state;
769 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
770 int ret;
771
772 ret = connector->funcs->atomic_set_property(&nv_connector->base,
773 &asyc->state,
774 property, value);
775 if (ret) {
776 if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV)
777 return get_slave_funcs(encoder)->set_property(
778 encoder, connector, property, value);
779 return ret;
780 }
781
782 nv_connector->scaling_mode = asyc->scaler.mode;
783 nv_connector->dithering_mode = asyc->dither.mode;
784
785 if (connector->encoder && connector->encoder->crtc) {
786 ret = drm_crtc_helper_set_mode(connector->encoder->crtc,
787 &connector->encoder->crtc->mode,
788 connector->encoder->crtc->x,
789 connector->encoder->crtc->y,
790 NULL);
791 if (!ret)
792 return -EINVAL;
793 }
794
795 return 0;
796 }
797
798 struct moderec {
799 int hdisplay;
800 int vdisplay;
801 };
802
803 static struct moderec scaler_modes[] = {
804 { 1920, 1200 },
805 { 1920, 1080 },
806 { 1680, 1050 },
807 { 1600, 1200 },
808 { 1400, 1050 },
809 { 1280, 1024 },
810 { 1280, 960 },
811 { 1152, 864 },
812 { 1024, 768 },
813 { 800, 600 },
814 { 720, 400 },
815 { 640, 480 },
816 { 640, 400 },
817 { 640, 350 },
818 {}
819 };
820
821 static int
nouveau_connector_scaler_modes_add(struct drm_connector * connector)822 nouveau_connector_scaler_modes_add(struct drm_connector *connector)
823 {
824 struct nouveau_connector *nv_connector = nouveau_connector(connector);
825 struct drm_display_mode *native = nv_connector->native_mode, *m;
826 struct drm_device *dev = connector->dev;
827 struct moderec *mode = &scaler_modes[0];
828 int modes = 0;
829
830 if (!native)
831 return 0;
832
833 while (mode->hdisplay) {
834 if (mode->hdisplay <= native->hdisplay &&
835 mode->vdisplay <= native->vdisplay &&
836 (mode->hdisplay != native->hdisplay ||
837 mode->vdisplay != native->vdisplay)) {
838 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay,
839 drm_mode_vrefresh(native), false,
840 false, false);
841 if (!m)
842 continue;
843
844 drm_mode_probed_add(connector, m);
845 modes++;
846 }
847
848 mode++;
849 }
850
851 return modes;
852 }
853
854 static void
nouveau_connector_detect_depth(struct drm_connector * connector)855 nouveau_connector_detect_depth(struct drm_connector *connector)
856 {
857 struct nouveau_drm *drm = nouveau_drm(connector->dev);
858 struct nouveau_connector *nv_connector = nouveau_connector(connector);
859 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
860 struct nvbios *bios = &drm->vbios;
861 struct drm_display_mode *mode = nv_connector->native_mode;
862 bool duallink;
863
864 /* if the edid is feeling nice enough to provide this info, use it */
865 if (nv_connector->edid && connector->display_info.bpc)
866 return;
867
868 /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */
869 if (nv_connector->type == DCB_CONNECTOR_eDP) {
870 connector->display_info.bpc = 6;
871 return;
872 }
873
874 /* we're out of options unless we're LVDS, default to 8bpc */
875 if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) {
876 connector->display_info.bpc = 8;
877 return;
878 }
879
880 connector->display_info.bpc = 6;
881
882 /* LVDS: panel straps */
883 if (bios->fp_no_ddc) {
884 if (bios->fp.if_is_24bit)
885 connector->display_info.bpc = 8;
886 return;
887 }
888
889 /* LVDS: DDC panel, need to first determine the number of links to
890 * know which if_is_24bit flag to check...
891 */
892 if (nv_connector->edid &&
893 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG)
894 duallink = ((u8 *)nv_connector->edid)[121] == 2;
895 else
896 duallink = mode->clock >= bios->fp.duallink_transition_clk;
897
898 if ((!duallink && (bios->fp.strapless_is_24bit & 1)) ||
899 ( duallink && (bios->fp.strapless_is_24bit & 2)))
900 connector->display_info.bpc = 8;
901 }
902
903 static int
nouveau_connector_late_register(struct drm_connector * connector)904 nouveau_connector_late_register(struct drm_connector *connector)
905 {
906 int ret;
907
908 ret = nouveau_backlight_init(connector);
909
910 return ret;
911 }
912
913 static void
nouveau_connector_early_unregister(struct drm_connector * connector)914 nouveau_connector_early_unregister(struct drm_connector *connector)
915 {
916 nouveau_backlight_fini(connector);
917 }
918
919 static int
nouveau_connector_get_modes(struct drm_connector * connector)920 nouveau_connector_get_modes(struct drm_connector *connector)
921 {
922 struct drm_device *dev = connector->dev;
923 struct nouveau_drm *drm = nouveau_drm(dev);
924 struct nouveau_connector *nv_connector = nouveau_connector(connector);
925 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
926 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
927 int ret = 0;
928
929 /* destroy the native mode, the attached monitor could have changed.
930 */
931 if (nv_connector->native_mode) {
932 drm_mode_destroy(dev, nv_connector->native_mode);
933 nv_connector->native_mode = NULL;
934 }
935
936 if (nv_connector->edid)
937 ret = drm_add_edid_modes(connector, nv_connector->edid);
938 else
939 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS &&
940 (nv_encoder->dcb->lvdsconf.use_straps_for_mode ||
941 drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) {
942 struct drm_display_mode mode;
943
944 nouveau_bios_fp_mode(dev, &mode);
945 nv_connector->native_mode = drm_mode_duplicate(dev, &mode);
946 }
947
948 /* Determine display colour depth for everything except LVDS now,
949 * DP requires this before mode_valid() is called.
950 */
951 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS)
952 nouveau_connector_detect_depth(connector);
953
954 /* Find the native mode if this is a digital panel, if we didn't
955 * find any modes through DDC previously add the native mode to
956 * the list of modes.
957 */
958 if (!nv_connector->native_mode)
959 nv_connector->native_mode = nouveau_conn_native_mode(connector);
960 if (ret == 0 && nv_connector->native_mode) {
961 struct drm_display_mode *mode;
962
963 mode = drm_mode_duplicate(dev, nv_connector->native_mode);
964 drm_mode_probed_add(connector, mode);
965 ret = 1;
966 }
967
968 /* Determine LVDS colour depth, must happen after determining
969 * "native" mode as some VBIOS tables require us to use the
970 * pixel clock as part of the lookup...
971 */
972 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
973 nouveau_connector_detect_depth(connector);
974
975 if (nv_encoder->dcb->type == DCB_OUTPUT_TV)
976 ret = get_slave_funcs(encoder)->get_modes(encoder, connector);
977
978 if (nv_connector->type == DCB_CONNECTOR_LVDS ||
979 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG ||
980 nv_connector->type == DCB_CONNECTOR_eDP)
981 ret += nouveau_connector_scaler_modes_add(connector);
982
983 return ret;
984 }
985
986 static unsigned
get_tmds_link_bandwidth(struct drm_connector * connector)987 get_tmds_link_bandwidth(struct drm_connector *connector)
988 {
989 struct nouveau_connector *nv_connector = nouveau_connector(connector);
990 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
991 struct nouveau_drm *drm = nouveau_drm(connector->dev);
992 struct dcb_output *dcb = nv_connector->detected_encoder->dcb;
993 struct drm_display_info *info = NULL;
994 unsigned duallink_scale =
995 nouveau_duallink && nv_encoder->dcb->duallink_possible ? 2 : 1;
996
997 if (drm_detect_hdmi_monitor(nv_connector->edid)) {
998 info = &nv_connector->base.display_info;
999 duallink_scale = 1;
1000 }
1001
1002 if (info) {
1003 if (nouveau_hdmimhz > 0)
1004 return nouveau_hdmimhz * 1000;
1005 /* Note: these limits are conservative, some Fermi's
1006 * can do 297 MHz. Unclear how this can be determined.
1007 */
1008 if (drm->client.device.info.chipset >= 0x120) {
1009 const int max_tmds_clock =
1010 info->hdmi.scdc.scrambling.supported ?
1011 594000 : 340000;
1012 return info->max_tmds_clock ?
1013 min(info->max_tmds_clock, max_tmds_clock) :
1014 max_tmds_clock;
1015 }
1016 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_KEPLER)
1017 return 297000;
1018 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_FERMI)
1019 return 225000;
1020 }
1021
1022 if (dcb->location != DCB_LOC_ON_CHIP ||
1023 drm->client.device.info.chipset >= 0x46)
1024 return 165000 * duallink_scale;
1025 else if (drm->client.device.info.chipset >= 0x40)
1026 return 155000 * duallink_scale;
1027 else if (drm->client.device.info.chipset >= 0x18)
1028 return 135000 * duallink_scale;
1029 else
1030 return 112000 * duallink_scale;
1031 }
1032
1033 static enum drm_mode_status
nouveau_connector_mode_valid(struct drm_connector * connector,struct drm_display_mode * mode)1034 nouveau_connector_mode_valid(struct drm_connector *connector,
1035 struct drm_display_mode *mode)
1036 {
1037 struct nouveau_connector *nv_connector = nouveau_connector(connector);
1038 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
1039 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
1040 unsigned min_clock = 25000, max_clock = min_clock;
1041 unsigned clock = mode->clock;
1042
1043 switch (nv_encoder->dcb->type) {
1044 case DCB_OUTPUT_LVDS:
1045 if (nv_connector->native_mode &&
1046 (mode->hdisplay > nv_connector->native_mode->hdisplay ||
1047 mode->vdisplay > nv_connector->native_mode->vdisplay))
1048 return MODE_PANEL;
1049
1050 min_clock = 0;
1051 max_clock = 400000;
1052 break;
1053 case DCB_OUTPUT_TMDS:
1054 max_clock = get_tmds_link_bandwidth(connector);
1055 break;
1056 case DCB_OUTPUT_ANALOG:
1057 max_clock = nv_encoder->dcb->crtconf.maxfreq;
1058 if (!max_clock)
1059 max_clock = 350000;
1060 break;
1061 case DCB_OUTPUT_TV:
1062 return get_slave_funcs(encoder)->mode_valid(encoder, mode);
1063 case DCB_OUTPUT_DP:
1064 max_clock = nv_encoder->dp.link_nr;
1065 max_clock *= nv_encoder->dp.link_bw;
1066 clock = clock * (connector->display_info.bpc * 3) / 10;
1067 break;
1068 default:
1069 BUG();
1070 return MODE_BAD;
1071 }
1072
1073 if ((mode->flags & DRM_MODE_FLAG_3D_MASK) == DRM_MODE_FLAG_3D_FRAME_PACKING)
1074 clock *= 2;
1075
1076 if (clock < min_clock)
1077 return MODE_CLOCK_LOW;
1078
1079 if (clock > max_clock)
1080 return MODE_CLOCK_HIGH;
1081
1082 return MODE_OK;
1083 }
1084
1085 static struct drm_encoder *
nouveau_connector_best_encoder(struct drm_connector * connector)1086 nouveau_connector_best_encoder(struct drm_connector *connector)
1087 {
1088 struct nouveau_connector *nv_connector = nouveau_connector(connector);
1089
1090 if (nv_connector->detected_encoder)
1091 return to_drm_encoder(nv_connector->detected_encoder);
1092
1093 return NULL;
1094 }
1095
1096 static const struct drm_connector_helper_funcs
1097 nouveau_connector_helper_funcs = {
1098 .get_modes = nouveau_connector_get_modes,
1099 .mode_valid = nouveau_connector_mode_valid,
1100 .best_encoder = nouveau_connector_best_encoder,
1101 };
1102
1103 static const struct drm_connector_funcs
1104 nouveau_connector_funcs = {
1105 .dpms = drm_helper_connector_dpms,
1106 .reset = nouveau_conn_reset,
1107 .detect = nouveau_connector_detect,
1108 .force = nouveau_connector_force,
1109 .fill_modes = drm_helper_probe_single_connector_modes,
1110 .set_property = nouveau_connector_set_property,
1111 .destroy = nouveau_connector_destroy,
1112 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state,
1113 .atomic_destroy_state = nouveau_conn_atomic_destroy_state,
1114 .atomic_set_property = nouveau_conn_atomic_set_property,
1115 .atomic_get_property = nouveau_conn_atomic_get_property,
1116 .late_register = nouveau_connector_late_register,
1117 .early_unregister = nouveau_connector_early_unregister,
1118 };
1119
1120 static const struct drm_connector_funcs
1121 nouveau_connector_funcs_lvds = {
1122 .dpms = drm_helper_connector_dpms,
1123 .reset = nouveau_conn_reset,
1124 .detect = nouveau_connector_detect_lvds,
1125 .force = nouveau_connector_force,
1126 .fill_modes = drm_helper_probe_single_connector_modes,
1127 .set_property = nouveau_connector_set_property,
1128 .destroy = nouveau_connector_destroy,
1129 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state,
1130 .atomic_destroy_state = nouveau_conn_atomic_destroy_state,
1131 .atomic_set_property = nouveau_conn_atomic_set_property,
1132 .atomic_get_property = nouveau_conn_atomic_get_property,
1133 .late_register = nouveau_connector_late_register,
1134 .early_unregister = nouveau_connector_early_unregister,
1135 };
1136
1137 static int
nouveau_connector_hotplug(struct nvif_notify * notify)1138 nouveau_connector_hotplug(struct nvif_notify *notify)
1139 {
1140 struct nouveau_connector *nv_connector =
1141 container_of(notify, typeof(*nv_connector), hpd);
1142 struct drm_connector *connector = &nv_connector->base;
1143 struct nouveau_drm *drm = nouveau_drm(connector->dev);
1144 const struct nvif_notify_conn_rep_v0 *rep = notify->data;
1145 const char *name = connector->name;
1146 struct nouveau_encoder *nv_encoder;
1147 int ret;
1148 bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG);
1149
1150 if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) {
1151 NV_DEBUG(drm, "service %s\n", name);
1152 drm_dp_cec_irq(&nv_connector->aux);
1153 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP)))
1154 nv50_mstm_service(nv_encoder->dp.mstm);
1155
1156 return NVIF_NOTIFY_KEEP;
1157 }
1158
1159 ret = pm_runtime_get(drm->dev->dev);
1160 if (ret == 0) {
1161 /* We can't block here if there's a pending PM request
1162 * running, as we'll deadlock nouveau_display_fini() when it
1163 * calls nvif_put() on our nvif_notify struct. So, simply
1164 * defer the hotplug event until the device finishes resuming
1165 */
1166 NV_DEBUG(drm, "Deferring HPD on %s until runtime resume\n",
1167 name);
1168 schedule_work(&drm->hpd_work);
1169
1170 pm_runtime_put_noidle(drm->dev->dev);
1171 return NVIF_NOTIFY_KEEP;
1172 } else if (ret != 1 && ret != -EACCES) {
1173 NV_WARN(drm, "HPD on %s dropped due to RPM failure: %d\n",
1174 name, ret);
1175 return NVIF_NOTIFY_DROP;
1176 }
1177
1178 if (!plugged)
1179 drm_dp_cec_unset_edid(&nv_connector->aux);
1180 NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name);
1181 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP))) {
1182 if (!plugged)
1183 nv50_mstm_remove(nv_encoder->dp.mstm);
1184 }
1185
1186 drm_helper_hpd_irq_event(connector->dev);
1187
1188 pm_runtime_mark_last_busy(drm->dev->dev);
1189 pm_runtime_put_autosuspend(drm->dev->dev);
1190 return NVIF_NOTIFY_KEEP;
1191 }
1192
1193 static ssize_t
nouveau_connector_aux_xfer(struct drm_dp_aux * obj,struct drm_dp_aux_msg * msg)1194 nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg)
1195 {
1196 struct nouveau_connector *nv_connector =
1197 container_of(obj, typeof(*nv_connector), aux);
1198 struct nouveau_encoder *nv_encoder;
1199 struct nvkm_i2c_aux *aux;
1200 u8 size = msg->size;
1201 int ret;
1202
1203 nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP);
1204 if (!nv_encoder || !(aux = nv_encoder->aux))
1205 return -ENODEV;
1206 if (WARN_ON(msg->size > 16))
1207 return -E2BIG;
1208
1209 ret = nvkm_i2c_aux_acquire(aux);
1210 if (ret)
1211 return ret;
1212
1213 ret = nvkm_i2c_aux_xfer(aux, false, msg->request, msg->address,
1214 msg->buffer, &size);
1215 nvkm_i2c_aux_release(aux);
1216 if (ret >= 0) {
1217 msg->reply = ret;
1218 return size;
1219 }
1220
1221 return ret;
1222 }
1223
1224 static int
drm_conntype_from_dcb(enum dcb_connector_type dcb)1225 drm_conntype_from_dcb(enum dcb_connector_type dcb)
1226 {
1227 switch (dcb) {
1228 case DCB_CONNECTOR_VGA : return DRM_MODE_CONNECTOR_VGA;
1229 case DCB_CONNECTOR_TV_0 :
1230 case DCB_CONNECTOR_TV_1 :
1231 case DCB_CONNECTOR_TV_3 : return DRM_MODE_CONNECTOR_TV;
1232 case DCB_CONNECTOR_DMS59_0 :
1233 case DCB_CONNECTOR_DMS59_1 :
1234 case DCB_CONNECTOR_DVI_I : return DRM_MODE_CONNECTOR_DVII;
1235 case DCB_CONNECTOR_DVI_D : return DRM_MODE_CONNECTOR_DVID;
1236 case DCB_CONNECTOR_LVDS :
1237 case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS;
1238 case DCB_CONNECTOR_DMS59_DP0:
1239 case DCB_CONNECTOR_DMS59_DP1:
1240 case DCB_CONNECTOR_DP :
1241 case DCB_CONNECTOR_USB_C : return DRM_MODE_CONNECTOR_DisplayPort;
1242 case DCB_CONNECTOR_eDP : return DRM_MODE_CONNECTOR_eDP;
1243 case DCB_CONNECTOR_HDMI_0 :
1244 case DCB_CONNECTOR_HDMI_1 :
1245 case DCB_CONNECTOR_HDMI_C : return DRM_MODE_CONNECTOR_HDMIA;
1246 case DCB_CONNECTOR_WFD : return DRM_MODE_CONNECTOR_VIRTUAL;
1247 default:
1248 break;
1249 }
1250
1251 return DRM_MODE_CONNECTOR_Unknown;
1252 }
1253
1254 struct drm_connector *
nouveau_connector_create(struct drm_device * dev,const struct dcb_output * dcbe)1255 nouveau_connector_create(struct drm_device *dev,
1256 const struct dcb_output *dcbe)
1257 {
1258 const struct drm_connector_funcs *funcs = &nouveau_connector_funcs;
1259 struct nouveau_drm *drm = nouveau_drm(dev);
1260 struct nouveau_display *disp = nouveau_display(dev);
1261 struct nouveau_connector *nv_connector = NULL;
1262 struct drm_connector *connector;
1263 struct drm_connector_list_iter conn_iter;
1264 char aux_name[48] = {0};
1265 int index = dcbe->connector;
1266 int type, ret = 0;
1267 bool dummy;
1268
1269 drm_connector_list_iter_begin(dev, &conn_iter);
1270 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
1271 nv_connector = nouveau_connector(connector);
1272 if (nv_connector->index == index) {
1273 drm_connector_list_iter_end(&conn_iter);
1274 return connector;
1275 }
1276 }
1277 drm_connector_list_iter_end(&conn_iter);
1278
1279 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL);
1280 if (!nv_connector)
1281 return ERR_PTR(-ENOMEM);
1282
1283 connector = &nv_connector->base;
1284 nv_connector->index = index;
1285
1286 /* attempt to parse vbios connector type and hotplug gpio */
1287 nv_connector->dcb = olddcb_conn(dev, index);
1288 if (nv_connector->dcb) {
1289 u32 entry = ROM16(nv_connector->dcb[0]);
1290 if (olddcb_conntab(dev)[3] >= 4)
1291 entry |= (u32)ROM16(nv_connector->dcb[2]) << 16;
1292
1293 nv_connector->type = nv_connector->dcb[0];
1294 if (drm_conntype_from_dcb(nv_connector->type) ==
1295 DRM_MODE_CONNECTOR_Unknown) {
1296 NV_WARN(drm, "unknown connector type %02x\n",
1297 nv_connector->type);
1298 nv_connector->type = DCB_CONNECTOR_NONE;
1299 }
1300
1301 /* Gigabyte NX85T */
1302 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) {
1303 if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1304 nv_connector->type = DCB_CONNECTOR_DVI_I;
1305 }
1306
1307 /* Gigabyte GV-NX86T512H */
1308 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) {
1309 if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1310 nv_connector->type = DCB_CONNECTOR_DVI_I;
1311 }
1312 } else {
1313 nv_connector->type = DCB_CONNECTOR_NONE;
1314 }
1315
1316 /* no vbios data, or an unknown dcb connector type - attempt to
1317 * figure out something suitable ourselves
1318 */
1319 if (nv_connector->type == DCB_CONNECTOR_NONE) {
1320 struct nouveau_drm *drm = nouveau_drm(dev);
1321 struct dcb_table *dcbt = &drm->vbios.dcb;
1322 u32 encoders = 0;
1323 int i;
1324
1325 for (i = 0; i < dcbt->entries; i++) {
1326 if (dcbt->entry[i].connector == nv_connector->index)
1327 encoders |= (1 << dcbt->entry[i].type);
1328 }
1329
1330 if (encoders & (1 << DCB_OUTPUT_DP)) {
1331 if (encoders & (1 << DCB_OUTPUT_TMDS))
1332 nv_connector->type = DCB_CONNECTOR_DP;
1333 else
1334 nv_connector->type = DCB_CONNECTOR_eDP;
1335 } else
1336 if (encoders & (1 << DCB_OUTPUT_TMDS)) {
1337 if (encoders & (1 << DCB_OUTPUT_ANALOG))
1338 nv_connector->type = DCB_CONNECTOR_DVI_I;
1339 else
1340 nv_connector->type = DCB_CONNECTOR_DVI_D;
1341 } else
1342 if (encoders & (1 << DCB_OUTPUT_ANALOG)) {
1343 nv_connector->type = DCB_CONNECTOR_VGA;
1344 } else
1345 if (encoders & (1 << DCB_OUTPUT_LVDS)) {
1346 nv_connector->type = DCB_CONNECTOR_LVDS;
1347 } else
1348 if (encoders & (1 << DCB_OUTPUT_TV)) {
1349 nv_connector->type = DCB_CONNECTOR_TV_0;
1350 }
1351 }
1352
1353 switch ((type = drm_conntype_from_dcb(nv_connector->type))) {
1354 case DRM_MODE_CONNECTOR_LVDS:
1355 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy);
1356 if (ret) {
1357 NV_ERROR(drm, "Error parsing LVDS table, disabling\n");
1358 kfree(nv_connector);
1359 return ERR_PTR(ret);
1360 }
1361
1362 funcs = &nouveau_connector_funcs_lvds;
1363 break;
1364 case DRM_MODE_CONNECTOR_DisplayPort:
1365 case DRM_MODE_CONNECTOR_eDP:
1366 nv_connector->aux.dev = connector->kdev;
1367 nv_connector->aux.transfer = nouveau_connector_aux_xfer;
1368 snprintf(aux_name, sizeof(aux_name), "sor-%04x-%04x",
1369 dcbe->hasht, dcbe->hashm);
1370 nv_connector->aux.name = kstrdup(aux_name, GFP_KERNEL);
1371 ret = drm_dp_aux_register(&nv_connector->aux);
1372 if (ret) {
1373 NV_ERROR(drm, "failed to register aux channel\n");
1374 kfree(nv_connector);
1375 return ERR_PTR(ret);
1376 }
1377 funcs = &nouveau_connector_funcs;
1378 break;
1379 default:
1380 funcs = &nouveau_connector_funcs;
1381 break;
1382 }
1383
1384 /* HDMI 3D support */
1385 if ((disp->disp.object.oclass >= G82_DISP)
1386 && ((type == DRM_MODE_CONNECTOR_DisplayPort)
1387 || (type == DRM_MODE_CONNECTOR_eDP)
1388 || (type == DRM_MODE_CONNECTOR_HDMIA)))
1389 connector->stereo_allowed = true;
1390
1391 /* defaults, will get overridden in detect() */
1392 connector->interlace_allowed = false;
1393 connector->doublescan_allowed = false;
1394
1395 drm_connector_init(dev, connector, funcs, type);
1396 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs);
1397
1398 connector->funcs->reset(connector);
1399 nouveau_conn_attach_properties(connector);
1400
1401 /* Default scaling mode */
1402 switch (nv_connector->type) {
1403 case DCB_CONNECTOR_LVDS:
1404 case DCB_CONNECTOR_LVDS_SPWG:
1405 case DCB_CONNECTOR_eDP:
1406 /* see note in nouveau_connector_set_property() */
1407 if (disp->disp.object.oclass < NV50_DISP) {
1408 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
1409 break;
1410 }
1411 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1412 break;
1413 default:
1414 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1415 break;
1416 }
1417
1418 /* dithering properties */
1419 switch (nv_connector->type) {
1420 case DCB_CONNECTOR_TV_0:
1421 case DCB_CONNECTOR_TV_1:
1422 case DCB_CONNECTOR_TV_3:
1423 case DCB_CONNECTOR_VGA:
1424 break;
1425 default:
1426 nv_connector->dithering_mode = DITHERING_MODE_AUTO;
1427 break;
1428 }
1429
1430 switch (type) {
1431 case DRM_MODE_CONNECTOR_DisplayPort:
1432 case DRM_MODE_CONNECTOR_eDP:
1433 drm_dp_cec_register_connector(&nv_connector->aux,
1434 connector->name, dev->dev);
1435 break;
1436 }
1437
1438 ret = nvif_notify_init(&disp->disp.object, nouveau_connector_hotplug,
1439 true, NV04_DISP_NTFY_CONN,
1440 &(struct nvif_notify_conn_req_v0) {
1441 .mask = NVIF_NOTIFY_CONN_V0_ANY,
1442 .conn = index,
1443 },
1444 sizeof(struct nvif_notify_conn_req_v0),
1445 sizeof(struct nvif_notify_conn_rep_v0),
1446 &nv_connector->hpd);
1447 if (ret)
1448 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1449 else
1450 connector->polled = DRM_CONNECTOR_POLL_HPD;
1451
1452 drm_connector_register(connector);
1453 return connector;
1454 }
1455