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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
[cris-mirror.git] / drivers / gpu / drm / nouveau / nouveau_connector.c
blob6ed9cb053dfa5fd3bff312b155541ef17a4aadad
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/drmP.h>
33 #include <drm/drm_atomic_helper.h>
34 #include <drm/drm_edid.h>
35 #include <drm/drm_crtc_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 *
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
98 nouveau_conn_atomic_get_property(struct drm_connector *connector,
99 const struct drm_connector_state *state,
100 struct drm_property *property, u64 *val)
101 {
102 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state);
103 struct nouveau_display *disp = nouveau_display(connector->dev);
104 struct drm_device *dev = connector->dev;
105
106 if (property == dev->mode_config.scaling_mode_property)
107 *val = asyc->scaler.mode;
108 else if (property == disp->underscan_property)
109 *val = asyc->scaler.underscan.mode;
110 else if (property == disp->underscan_hborder_property)
111 *val = asyc->scaler.underscan.hborder;
112 else if (property == disp->underscan_vborder_property)
113 *val = asyc->scaler.underscan.vborder;
114 else if (property == disp->dithering_mode)
115 *val = asyc->dither.mode;
116 else if (property == disp->dithering_depth)
117 *val = asyc->dither.depth;
118 else if (property == disp->vibrant_hue_property)
119 *val = asyc->procamp.vibrant_hue;
120 else if (property == disp->color_vibrance_property)
121 *val = asyc->procamp.color_vibrance;
122 else
123 return -EINVAL;
124
125 return 0;
126 }
127
128 int
129 nouveau_conn_atomic_set_property(struct drm_connector *connector,
130 struct drm_connector_state *state,
131 struct drm_property *property, u64 val)
132 {
133 struct drm_device *dev = connector->dev;
134 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state);
135 struct nouveau_display *disp = nouveau_display(dev);
136
137 if (property == dev->mode_config.scaling_mode_property) {
138 switch (val) {
139 case DRM_MODE_SCALE_NONE:
140 /* We allow 'None' for EDID modes, even on a fixed
141 * panel (some exist with support for lower refresh
142 * rates, which people might want to use for power-
143 * saving purposes).
144 *
145 * Non-EDID modes will force the use of GPU scaling
146 * to the native mode regardless of this setting.
147 */
148 switch (connector->connector_type) {
149 case DRM_MODE_CONNECTOR_LVDS:
150 case DRM_MODE_CONNECTOR_eDP:
151 /* ... except prior to G80, where the code
152 * doesn't support such things.
153 */
154 if (disp->disp.oclass < NV50_DISP)
155 return -EINVAL;
156 break;
157 default:
158 break;
159 }
160 case DRM_MODE_SCALE_FULLSCREEN:
161 case DRM_MODE_SCALE_CENTER:
162 case DRM_MODE_SCALE_ASPECT:
163 break;
164 default:
165 return -EINVAL;
166 }
167
168 if (asyc->scaler.mode != val) {
169 asyc->scaler.mode = val;
170 asyc->set.scaler = true;
171 }
172 } else
173 if (property == disp->underscan_property) {
174 if (asyc->scaler.underscan.mode != val) {
175 asyc->scaler.underscan.mode = val;
176 asyc->set.scaler = true;
177 }
178 } else
179 if (property == disp->underscan_hborder_property) {
180 if (asyc->scaler.underscan.hborder != val) {
181 asyc->scaler.underscan.hborder = val;
182 asyc->set.scaler = true;
183 }
184 } else
185 if (property == disp->underscan_vborder_property) {
186 if (asyc->scaler.underscan.vborder != val) {
187 asyc->scaler.underscan.vborder = val;
188 asyc->set.scaler = true;
189 }
190 } else
191 if (property == disp->dithering_mode) {
192 if (asyc->dither.mode != val) {
193 asyc->dither.mode = val;
194 asyc->set.dither = true;
195 }
196 } else
197 if (property == disp->dithering_depth) {
198 if (asyc->dither.mode != val) {
199 asyc->dither.depth = val;
200 asyc->set.dither = true;
201 }
202 } else
203 if (property == disp->vibrant_hue_property) {
204 if (asyc->procamp.vibrant_hue != val) {
205 asyc->procamp.vibrant_hue = val;
206 asyc->set.procamp = true;
207 }
208 } else
209 if (property == disp->color_vibrance_property) {
210 if (asyc->procamp.color_vibrance != val) {
211 asyc->procamp.color_vibrance = val;
212 asyc->set.procamp = true;
213 }
214 } else {
215 return -EINVAL;
216 }
217
218 return 0;
219 }
220
221 void
222 nouveau_conn_atomic_destroy_state(struct drm_connector *connector,
223 struct drm_connector_state *state)
224 {
225 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state);
226 __drm_atomic_helper_connector_destroy_state(&asyc->state);
227 kfree(asyc);
228 }
229
230 struct drm_connector_state *
231 nouveau_conn_atomic_duplicate_state(struct drm_connector *connector)
232 {
233 struct nouveau_conn_atom *armc = nouveau_conn_atom(connector->state);
234 struct nouveau_conn_atom *asyc;
235 if (!(asyc = kmalloc(sizeof(*asyc), GFP_KERNEL)))
236 return NULL;
237 __drm_atomic_helper_connector_duplicate_state(connector, &asyc->state);
238 asyc->dither = armc->dither;
239 asyc->scaler = armc->scaler;
240 asyc->procamp = armc->procamp;
241 asyc->set.mask = 0;
242 return &asyc->state;
243 }
244
245 void
246 nouveau_conn_reset(struct drm_connector *connector)
247 {
248 struct nouveau_conn_atom *asyc;
249
250 if (WARN_ON(!(asyc = kzalloc(sizeof(*asyc), GFP_KERNEL))))
251 return;
252
253 if (connector->state)
254 __drm_atomic_helper_connector_destroy_state(connector->state);
255 __drm_atomic_helper_connector_reset(connector, &asyc->state);
256 asyc->dither.mode = DITHERING_MODE_AUTO;
257 asyc->dither.depth = DITHERING_DEPTH_AUTO;
258 asyc->scaler.mode = DRM_MODE_SCALE_NONE;
259 asyc->scaler.underscan.mode = UNDERSCAN_OFF;
260 asyc->procamp.color_vibrance = 150;
261 asyc->procamp.vibrant_hue = 90;
262
263 if (nouveau_display(connector->dev)->disp.oclass < NV50_DISP) {
264 switch (connector->connector_type) {
265 case DRM_MODE_CONNECTOR_LVDS:
266 /* See note in nouveau_conn_atomic_set_property(). */
267 asyc->scaler.mode = DRM_MODE_SCALE_FULLSCREEN;
268 break;
269 default:
270 break;
271 }
272 }
273 }
274
275 void
276 nouveau_conn_attach_properties(struct drm_connector *connector)
277 {
278 struct drm_device *dev = connector->dev;
279 struct nouveau_conn_atom *armc = nouveau_conn_atom(connector->state);
280 struct nouveau_display *disp = nouveau_display(dev);
281
282 /* Init DVI-I specific properties. */
283 if (connector->connector_type == DRM_MODE_CONNECTOR_DVII)
284 drm_object_attach_property(&connector->base, dev->mode_config.
285 dvi_i_subconnector_property, 0);
286
287 /* Add overscan compensation options to digital outputs. */
288 if (disp->underscan_property &&
289 (connector->connector_type == DRM_MODE_CONNECTOR_DVID ||
290 connector->connector_type == DRM_MODE_CONNECTOR_DVII ||
291 connector->connector_type == DRM_MODE_CONNECTOR_HDMIA ||
292 connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)) {
293 drm_object_attach_property(&connector->base,
294 disp->underscan_property,
295 UNDERSCAN_OFF);
296 drm_object_attach_property(&connector->base,
297 disp->underscan_hborder_property, 0);
298 drm_object_attach_property(&connector->base,
299 disp->underscan_vborder_property, 0);
300 }
301
302 /* Add hue and saturation options. */
303 if (disp->vibrant_hue_property)
304 drm_object_attach_property(&connector->base,
305 disp->vibrant_hue_property,
306 armc->procamp.vibrant_hue);
307 if (disp->color_vibrance_property)
308 drm_object_attach_property(&connector->base,
309 disp->color_vibrance_property,
310 armc->procamp.color_vibrance);
311
312 /* Scaling mode property. */
313 switch (connector->connector_type) {
314 case DRM_MODE_CONNECTOR_TV:
315 break;
316 case DRM_MODE_CONNECTOR_VGA:
317 if (disp->disp.oclass < NV50_DISP)
318 break; /* Can only scale on DFPs. */
319 /* Fall-through. */
320 default:
321 drm_object_attach_property(&connector->base, dev->mode_config.
322 scaling_mode_property,
323 armc->scaler.mode);
324 break;
325 }
326
327 /* Dithering properties. */
328 switch (connector->connector_type) {
329 case DRM_MODE_CONNECTOR_TV:
330 case DRM_MODE_CONNECTOR_VGA:
331 break;
332 default:
333 if (disp->dithering_mode) {
334 drm_object_attach_property(&connector->base,
335 disp->dithering_mode,
336 armc->dither.mode);
337 }
338 if (disp->dithering_depth) {
339 drm_object_attach_property(&connector->base,
340 disp->dithering_depth,
341 armc->dither.depth);
342 }
343 break;
344 }
345 }
346
347 MODULE_PARM_DESC(tv_disable, "Disable TV-out detection");
348 int nouveau_tv_disable = 0;
349 module_param_named(tv_disable, nouveau_tv_disable, int, 0400);
350
351 MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status");
352 int nouveau_ignorelid = 0;
353 module_param_named(ignorelid, nouveau_ignorelid, int, 0400);
354
355 MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (default: enabled)");
356 int nouveau_duallink = 1;
357 module_param_named(duallink, nouveau_duallink, int, 0400);
358
359 MODULE_PARM_DESC(hdmimhz, "Force a maximum HDMI pixel clock (in MHz)");
360 int nouveau_hdmimhz = 0;
361 module_param_named(hdmimhz, nouveau_hdmimhz, int, 0400);
362
363 struct nouveau_encoder *
364 find_encoder(struct drm_connector *connector, int type)
365 {
366 struct drm_device *dev = connector->dev;
367 struct nouveau_encoder *nv_encoder;
368 struct drm_encoder *enc;
369 int i, id;
370
371 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
372 id = connector->encoder_ids[i];
373 if (!id)
374 break;
375
376 enc = drm_encoder_find(dev, NULL, id);
377 if (!enc)
378 continue;
379 nv_encoder = nouveau_encoder(enc);
380
381 if (type == DCB_OUTPUT_ANY ||
382 (nv_encoder->dcb && nv_encoder->dcb->type == type))
383 return nv_encoder;
384 }
385
386 return NULL;
387 }
388
389 struct nouveau_connector *
390 nouveau_encoder_connector_get(struct nouveau_encoder *encoder)
391 {
392 struct drm_device *dev = to_drm_encoder(encoder)->dev;
393 struct drm_connector *drm_connector;
394
395 list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) {
396 if (drm_connector->encoder == to_drm_encoder(encoder))
397 return nouveau_connector(drm_connector);
398 }
399
400 return NULL;
401 }
402
403 static void
404 nouveau_connector_destroy(struct drm_connector *connector)
405 {
406 struct nouveau_connector *nv_connector = nouveau_connector(connector);
407 nvif_notify_fini(&nv_connector->hpd);
408 kfree(nv_connector->edid);
409 drm_connector_unregister(connector);
410 drm_connector_cleanup(connector);
411 if (nv_connector->aux.transfer)
412 drm_dp_aux_unregister(&nv_connector->aux);
413 kfree(connector);
414 }
415
416 static struct nouveau_encoder *
417 nouveau_connector_ddc_detect(struct drm_connector *connector)
418 {
419 struct drm_device *dev = connector->dev;
420 struct nouveau_connector *nv_connector = nouveau_connector(connector);
421 struct nouveau_drm *drm = nouveau_drm(dev);
422 struct nvkm_gpio *gpio = nvxx_gpio(&drm->client.device);
423 struct nouveau_encoder *nv_encoder;
424 struct drm_encoder *encoder;
425 int i, panel = -ENODEV;
426
427 /* eDP panels need powering on by us (if the VBIOS doesn't default it
428 * to on) before doing any AUX channel transactions. LVDS panel power
429 * is handled by the SOR itself, and not required for LVDS DDC.
430 */
431 if (nv_connector->type == DCB_CONNECTOR_eDP) {
432 panel = nvkm_gpio_get(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff);
433 if (panel == 0) {
434 nvkm_gpio_set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, 1);
435 msleep(300);
436 }
437 }
438
439 for (i = 0; nv_encoder = NULL, i < DRM_CONNECTOR_MAX_ENCODER; i++) {
440 int id = connector->encoder_ids[i];
441 if (id == 0)
442 break;
443
444 encoder = drm_encoder_find(dev, NULL, id);
445 if (!encoder)
446 continue;
447 nv_encoder = nouveau_encoder(encoder);
448
449 if (nv_encoder->dcb->type == DCB_OUTPUT_DP) {
450 int ret = nouveau_dp_detect(nv_encoder);
451 if (ret == NOUVEAU_DP_MST)
452 return NULL;
453 if (ret == NOUVEAU_DP_SST)
454 break;
455 } else
456 if ((vga_switcheroo_handler_flags() &
457 VGA_SWITCHEROO_CAN_SWITCH_DDC) &&
458 nv_encoder->dcb->type == DCB_OUTPUT_LVDS &&
459 nv_encoder->i2c) {
460 int ret;
461 vga_switcheroo_lock_ddc(dev->pdev);
462 ret = nvkm_probe_i2c(nv_encoder->i2c, 0x50);
463 vga_switcheroo_unlock_ddc(dev->pdev);
464 if (ret)
465 break;
466 } else
467 if (nv_encoder->i2c) {
468 if (nvkm_probe_i2c(nv_encoder->i2c, 0x50))
469 break;
470 }
471 }
472
473 /* eDP panel not detected, restore panel power GPIO to previous
474 * state to avoid confusing the SOR for other output types.
475 */
476 if (!nv_encoder && panel == 0)
477 nvkm_gpio_set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, panel);
478
479 return nv_encoder;
480 }
481
482 static struct nouveau_encoder *
483 nouveau_connector_of_detect(struct drm_connector *connector)
484 {
485 #ifdef __powerpc__
486 struct drm_device *dev = connector->dev;
487 struct nouveau_connector *nv_connector = nouveau_connector(connector);
488 struct nouveau_encoder *nv_encoder;
489 struct device_node *cn, *dn = pci_device_to_OF_node(dev->pdev);
490
491 if (!dn ||
492 !((nv_encoder = find_encoder(connector, DCB_OUTPUT_TMDS)) ||
493 (nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG))))
494 return NULL;
495
496 for_each_child_of_node(dn, cn) {
497 const char *name = of_get_property(cn, "name", NULL);
498 const void *edid = of_get_property(cn, "EDID", NULL);
499 int idx = name ? name[strlen(name) - 1] - 'A' : 0;
500
501 if (nv_encoder->dcb->i2c_index == idx && edid) {
502 nv_connector->edid =
503 kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
504 of_node_put(cn);
505 return nv_encoder;
506 }
507 }
508 #endif
509 return NULL;
510 }
511
512 static void
513 nouveau_connector_set_encoder(struct drm_connector *connector,
514 struct nouveau_encoder *nv_encoder)
515 {
516 struct nouveau_connector *nv_connector = nouveau_connector(connector);
517 struct nouveau_drm *drm = nouveau_drm(connector->dev);
518 struct drm_device *dev = connector->dev;
519
520 if (nv_connector->detected_encoder == nv_encoder)
521 return;
522 nv_connector->detected_encoder = nv_encoder;
523
524 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
525 connector->interlace_allowed = true;
526 connector->doublescan_allowed = true;
527 } else
528 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS ||
529 nv_encoder->dcb->type == DCB_OUTPUT_TMDS) {
530 connector->doublescan_allowed = false;
531 connector->interlace_allowed = false;
532 } else {
533 connector->doublescan_allowed = true;
534 if (drm->client.device.info.family == NV_DEVICE_INFO_V0_KELVIN ||
535 (drm->client.device.info.family == NV_DEVICE_INFO_V0_CELSIUS &&
536 (dev->pdev->device & 0x0ff0) != 0x0100 &&
537 (dev->pdev->device & 0x0ff0) != 0x0150))
538 /* HW is broken */
539 connector->interlace_allowed = false;
540 else
541 connector->interlace_allowed = true;
542 }
543
544 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
545 drm_object_property_set_value(&connector->base,
546 dev->mode_config.dvi_i_subconnector_property,
547 nv_encoder->dcb->type == DCB_OUTPUT_TMDS ?
548 DRM_MODE_SUBCONNECTOR_DVID :
549 DRM_MODE_SUBCONNECTOR_DVIA);
550 }
551 }
552
553 static enum drm_connector_status
554 nouveau_connector_detect(struct drm_connector *connector, bool force)
555 {
556 struct drm_device *dev = connector->dev;
557 struct nouveau_drm *drm = nouveau_drm(dev);
558 struct nouveau_connector *nv_connector = nouveau_connector(connector);
559 struct nouveau_encoder *nv_encoder = NULL;
560 struct nouveau_encoder *nv_partner;
561 struct i2c_adapter *i2c;
562 int type;
563 int ret;
564 enum drm_connector_status conn_status = connector_status_disconnected;
565
566 /* Cleanup the previous EDID block. */
567 if (nv_connector->edid) {
568 drm_mode_connector_update_edid_property(connector, NULL);
569 kfree(nv_connector->edid);
570 nv_connector->edid = NULL;
571 }
572
573 /* Outputs are only polled while runtime active, so acquiring a
574 * runtime PM ref here is unnecessary (and would deadlock upon
575 * runtime suspend because it waits for polling to finish).
576 */
577 if (!drm_kms_helper_is_poll_worker()) {
578 ret = pm_runtime_get_sync(connector->dev->dev);
579 if (ret < 0 && ret != -EACCES)
580 return conn_status;
581 }
582
583 nv_encoder = nouveau_connector_ddc_detect(connector);
584 if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) {
585 if ((vga_switcheroo_handler_flags() &
586 VGA_SWITCHEROO_CAN_SWITCH_DDC) &&
587 nv_connector->type == DCB_CONNECTOR_LVDS)
588 nv_connector->edid = drm_get_edid_switcheroo(connector,
589 i2c);
590 else
591 nv_connector->edid = drm_get_edid(connector, i2c);
592
593 drm_mode_connector_update_edid_property(connector,
594 nv_connector->edid);
595 if (!nv_connector->edid) {
596 NV_ERROR(drm, "DDC responded, but no EDID for %s\n",
597 connector->name);
598 goto detect_analog;
599 }
600
601 /* Override encoder type for DVI-I based on whether EDID
602 * says the display is digital or analog, both use the
603 * same i2c channel so the value returned from ddc_detect
604 * isn't necessarily correct.
605 */
606 nv_partner = NULL;
607 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS)
608 nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG);
609 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG)
610 nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS);
611
612 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG &&
613 nv_partner->dcb->type == DCB_OUTPUT_TMDS) ||
614 (nv_encoder->dcb->type == DCB_OUTPUT_TMDS &&
615 nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) {
616 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL)
617 type = DCB_OUTPUT_TMDS;
618 else
619 type = DCB_OUTPUT_ANALOG;
620
621 nv_encoder = find_encoder(connector, type);
622 }
623
624 nouveau_connector_set_encoder(connector, nv_encoder);
625 conn_status = connector_status_connected;
626 goto out;
627 }
628
629 nv_encoder = nouveau_connector_of_detect(connector);
630 if (nv_encoder) {
631 nouveau_connector_set_encoder(connector, nv_encoder);
632 conn_status = connector_status_connected;
633 goto out;
634 }
635
636 detect_analog:
637 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG);
638 if (!nv_encoder && !nouveau_tv_disable)
639 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV);
640 if (nv_encoder && force) {
641 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
642 const struct drm_encoder_helper_funcs *helper =
643 encoder->helper_private;
644
645 if (helper->detect(encoder, connector) ==
646 connector_status_connected) {
647 nouveau_connector_set_encoder(connector, nv_encoder);
648 conn_status = connector_status_connected;
649 goto out;
650 }
651
652 }
653
654 out:
655
656 if (!drm_kms_helper_is_poll_worker()) {
657 pm_runtime_mark_last_busy(connector->dev->dev);
658 pm_runtime_put_autosuspend(connector->dev->dev);
659 }
660
661 return conn_status;
662 }
663
664 static enum drm_connector_status
665 nouveau_connector_detect_lvds(struct drm_connector *connector, bool force)
666 {
667 struct drm_device *dev = connector->dev;
668 struct nouveau_drm *drm = nouveau_drm(dev);
669 struct nouveau_connector *nv_connector = nouveau_connector(connector);
670 struct nouveau_encoder *nv_encoder = NULL;
671 enum drm_connector_status status = connector_status_disconnected;
672
673 /* Cleanup the previous EDID block. */
674 if (nv_connector->edid) {
675 drm_mode_connector_update_edid_property(connector, NULL);
676 kfree(nv_connector->edid);
677 nv_connector->edid = NULL;
678 }
679
680 nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS);
681 if (!nv_encoder)
682 return connector_status_disconnected;
683
684 /* Try retrieving EDID via DDC */
685 if (!drm->vbios.fp_no_ddc) {
686 status = nouveau_connector_detect(connector, force);
687 if (status == connector_status_connected)
688 goto out;
689 }
690
691 /* On some laptops (Sony, i'm looking at you) there appears to
692 * be no direct way of accessing the panel's EDID. The only
693 * option available to us appears to be to ask ACPI for help..
694 *
695 * It's important this check's before trying straps, one of the
696 * said manufacturer's laptops are configured in such a way
697 * the nouveau decides an entry in the VBIOS FP mode table is
698 * valid - it's not (rh#613284)
699 */
700 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) {
701 if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) {
702 status = connector_status_connected;
703 goto out;
704 }
705 }
706
707 /* If no EDID found above, and the VBIOS indicates a hardcoded
708 * modeline is avalilable for the panel, set it as the panel's
709 * native mode and exit.
710 */
711 if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc ||
712 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) {
713 status = connector_status_connected;
714 goto out;
715 }
716
717 /* Still nothing, some VBIOS images have a hardcoded EDID block
718 * stored for the panel stored in them.
719 */
720 if (!drm->vbios.fp_no_ddc) {
721 struct edid *edid =
722 (struct edid *)nouveau_bios_embedded_edid(dev);
723 if (edid) {
724 nv_connector->edid =
725 kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
726 if (nv_connector->edid)
727 status = connector_status_connected;
728 }
729 }
730
731 out:
732 #if defined(CONFIG_ACPI_BUTTON) || \
733 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE))
734 if (status == connector_status_connected &&
735 !nouveau_ignorelid && !acpi_lid_open())
736 status = connector_status_unknown;
737 #endif
738
739 drm_mode_connector_update_edid_property(connector, nv_connector->edid);
740 nouveau_connector_set_encoder(connector, nv_encoder);
741 return status;
742 }
743
744 static void
745 nouveau_connector_force(struct drm_connector *connector)
746 {
747 struct nouveau_drm *drm = nouveau_drm(connector->dev);
748 struct nouveau_connector *nv_connector = nouveau_connector(connector);
749 struct nouveau_encoder *nv_encoder;
750 int type;
751
752 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
753 if (connector->force == DRM_FORCE_ON_DIGITAL)
754 type = DCB_OUTPUT_TMDS;
755 else
756 type = DCB_OUTPUT_ANALOG;
757 } else
758 type = DCB_OUTPUT_ANY;
759
760 nv_encoder = find_encoder(connector, type);
761 if (!nv_encoder) {
762 NV_ERROR(drm, "can't find encoder to force %s on!\n",
763 connector->name);
764 connector->status = connector_status_disconnected;
765 return;
766 }
767
768 nouveau_connector_set_encoder(connector, nv_encoder);
769 }
770
771 static int
772 nouveau_connector_set_property(struct drm_connector *connector,
773 struct drm_property *property, uint64_t value)
774 {
775 struct nouveau_conn_atom *asyc = nouveau_conn_atom(connector->state);
776 struct nouveau_connector *nv_connector = nouveau_connector(connector);
777 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
778 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
779 int ret;
780
781 ret = connector->funcs->atomic_set_property(&nv_connector->base,
782 &asyc->state,
783 property, value);
784 if (ret) {
785 if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV)
786 return get_slave_funcs(encoder)->set_property(
787 encoder, connector, property, value);
788 return ret;
789 }
790
791 nv_connector->scaling_mode = asyc->scaler.mode;
792 nv_connector->dithering_mode = asyc->dither.mode;
793
794 if (connector->encoder && connector->encoder->crtc) {
795 ret = drm_crtc_helper_set_mode(connector->encoder->crtc,
796 &connector->encoder->crtc->mode,
797 connector->encoder->crtc->x,
798 connector->encoder->crtc->y,
799 NULL);
800 if (!ret)
801 return -EINVAL;
802 }
803
804 return 0;
805 }
806
807 struct moderec {
808 int hdisplay;
809 int vdisplay;
810 };
811
812 static struct moderec scaler_modes[] = {
813 { 1920, 1200 },
814 { 1920, 1080 },
815 { 1680, 1050 },
816 { 1600, 1200 },
817 { 1400, 1050 },
818 { 1280, 1024 },
819 { 1280, 960 },
820 { 1152, 864 },
821 { 1024, 768 },
822 { 800, 600 },
823 { 720, 400 },
824 { 640, 480 },
825 { 640, 400 },
826 { 640, 350 },
827 {}
828 };
829
830 static int
831 nouveau_connector_scaler_modes_add(struct drm_connector *connector)
832 {
833 struct nouveau_connector *nv_connector = nouveau_connector(connector);
834 struct drm_display_mode *native = nv_connector->native_mode, *m;
835 struct drm_device *dev = connector->dev;
836 struct moderec *mode = &scaler_modes[0];
837 int modes = 0;
838
839 if (!native)
840 return 0;
841
842 while (mode->hdisplay) {
843 if (mode->hdisplay <= native->hdisplay &&
844 mode->vdisplay <= native->vdisplay &&
845 (mode->hdisplay != native->hdisplay ||
846 mode->vdisplay != native->vdisplay)) {
847 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay,
848 drm_mode_vrefresh(native), false,
849 false, false);
850 if (!m)
851 continue;
852
853 drm_mode_probed_add(connector, m);
854 modes++;
855 }
856
857 mode++;
858 }
859
860 return modes;
861 }
862
863 static void
864 nouveau_connector_detect_depth(struct drm_connector *connector)
865 {
866 struct nouveau_drm *drm = nouveau_drm(connector->dev);
867 struct nouveau_connector *nv_connector = nouveau_connector(connector);
868 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
869 struct nvbios *bios = &drm->vbios;
870 struct drm_display_mode *mode = nv_connector->native_mode;
871 bool duallink;
872
873 /* if the edid is feeling nice enough to provide this info, use it */
874 if (nv_connector->edid && connector->display_info.bpc)
875 return;
876
877 /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */
878 if (nv_connector->type == DCB_CONNECTOR_eDP) {
879 connector->display_info.bpc = 6;
880 return;
881 }
882
883 /* we're out of options unless we're LVDS, default to 8bpc */
884 if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) {
885 connector->display_info.bpc = 8;
886 return;
887 }
888
889 connector->display_info.bpc = 6;
890
891 /* LVDS: panel straps */
892 if (bios->fp_no_ddc) {
893 if (bios->fp.if_is_24bit)
894 connector->display_info.bpc = 8;
895 return;
896 }
897
898 /* LVDS: DDC panel, need to first determine the number of links to
899 * know which if_is_24bit flag to check...
900 */
901 if (nv_connector->edid &&
902 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG)
903 duallink = ((u8 *)nv_connector->edid)[121] == 2;
904 else
905 duallink = mode->clock >= bios->fp.duallink_transition_clk;
906
907 if ((!duallink && (bios->fp.strapless_is_24bit & 1)) ||
908 ( duallink && (bios->fp.strapless_is_24bit & 2)))
909 connector->display_info.bpc = 8;
910 }
911
912 static int
913 nouveau_connector_get_modes(struct drm_connector *connector)
914 {
915 struct drm_device *dev = connector->dev;
916 struct nouveau_drm *drm = nouveau_drm(dev);
917 struct nouveau_connector *nv_connector = nouveau_connector(connector);
918 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
919 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
920 int ret = 0;
921
922 /* destroy the native mode, the attached monitor could have changed.
923 */
924 if (nv_connector->native_mode) {
925 drm_mode_destroy(dev, nv_connector->native_mode);
926 nv_connector->native_mode = NULL;
927 }
928
929 if (nv_connector->edid)
930 ret = drm_add_edid_modes(connector, nv_connector->edid);
931 else
932 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS &&
933 (nv_encoder->dcb->lvdsconf.use_straps_for_mode ||
934 drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) {
935 struct drm_display_mode mode;
936
937 nouveau_bios_fp_mode(dev, &mode);
938 nv_connector->native_mode = drm_mode_duplicate(dev, &mode);
939 }
940
941 /* Determine display colour depth for everything except LVDS now,
942 * DP requires this before mode_valid() is called.
943 */
944 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS)
945 nouveau_connector_detect_depth(connector);
946
947 /* Find the native mode if this is a digital panel, if we didn't
948 * find any modes through DDC previously add the native mode to
949 * the list of modes.
950 */
951 if (!nv_connector->native_mode)
952 nv_connector->native_mode = nouveau_conn_native_mode(connector);
953 if (ret == 0 && nv_connector->native_mode) {
954 struct drm_display_mode *mode;
955
956 mode = drm_mode_duplicate(dev, nv_connector->native_mode);
957 drm_mode_probed_add(connector, mode);
958 ret = 1;
959 }
960
961 /* Determine LVDS colour depth, must happen after determining
962 * "native" mode as some VBIOS tables require us to use the
963 * pixel clock as part of the lookup...
964 */
965 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
966 nouveau_connector_detect_depth(connector);
967
968 if (nv_encoder->dcb->type == DCB_OUTPUT_TV)
969 ret = get_slave_funcs(encoder)->get_modes(encoder, connector);
970
971 if (nv_connector->type == DCB_CONNECTOR_LVDS ||
972 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG ||
973 nv_connector->type == DCB_CONNECTOR_eDP)
974 ret += nouveau_connector_scaler_modes_add(connector);
975
976 return ret;
977 }
978
979 static unsigned
980 get_tmds_link_bandwidth(struct drm_connector *connector, bool hdmi)
981 {
982 struct nouveau_connector *nv_connector = nouveau_connector(connector);
983 struct nouveau_drm *drm = nouveau_drm(connector->dev);
984 struct dcb_output *dcb = nv_connector->detected_encoder->dcb;
985
986 if (hdmi) {
987 if (nouveau_hdmimhz > 0)
988 return nouveau_hdmimhz * 1000;
989 /* Note: these limits are conservative, some Fermi's
990 * can do 297 MHz. Unclear how this can be determined.
991 */
992 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_KEPLER)
993 return 297000;
994 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_FERMI)
995 return 225000;
996 }
997 if (dcb->location != DCB_LOC_ON_CHIP ||
998 drm->client.device.info.chipset >= 0x46)
999 return 165000;
1000 else if (drm->client.device.info.chipset >= 0x40)
1001 return 155000;
1002 else if (drm->client.device.info.chipset >= 0x18)
1003 return 135000;
1004 else
1005 return 112000;
1006 }
1007
1008 static int
1009 nouveau_connector_mode_valid(struct drm_connector *connector,
1010 struct drm_display_mode *mode)
1011 {
1012 struct nouveau_connector *nv_connector = nouveau_connector(connector);
1013 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
1014 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
1015 unsigned min_clock = 25000, max_clock = min_clock;
1016 unsigned clock = mode->clock;
1017 bool hdmi;
1018
1019 switch (nv_encoder->dcb->type) {
1020 case DCB_OUTPUT_LVDS:
1021 if (nv_connector->native_mode &&
1022 (mode->hdisplay > nv_connector->native_mode->hdisplay ||
1023 mode->vdisplay > nv_connector->native_mode->vdisplay))
1024 return MODE_PANEL;
1025
1026 min_clock = 0;
1027 max_clock = 400000;
1028 break;
1029 case DCB_OUTPUT_TMDS:
1030 hdmi = drm_detect_hdmi_monitor(nv_connector->edid);
1031 max_clock = get_tmds_link_bandwidth(connector, hdmi);
1032 if (!hdmi && nouveau_duallink &&
1033 nv_encoder->dcb->duallink_possible)
1034 max_clock *= 2;
1035 break;
1036 case DCB_OUTPUT_ANALOG:
1037 max_clock = nv_encoder->dcb->crtconf.maxfreq;
1038 if (!max_clock)
1039 max_clock = 350000;
1040 break;
1041 case DCB_OUTPUT_TV:
1042 return get_slave_funcs(encoder)->mode_valid(encoder, mode);
1043 case DCB_OUTPUT_DP:
1044 max_clock = nv_encoder->dp.link_nr;
1045 max_clock *= nv_encoder->dp.link_bw;
1046 clock = clock * (connector->display_info.bpc * 3) / 10;
1047 break;
1048 default:
1049 BUG();
1050 return MODE_BAD;
1051 }
1052
1053 if ((mode->flags & DRM_MODE_FLAG_3D_MASK) == DRM_MODE_FLAG_3D_FRAME_PACKING)
1054 clock *= 2;
1055
1056 if (clock < min_clock)
1057 return MODE_CLOCK_LOW;
1058
1059 if (clock > max_clock)
1060 return MODE_CLOCK_HIGH;
1061
1062 return MODE_OK;
1063 }
1064
1065 static struct drm_encoder *
1066 nouveau_connector_best_encoder(struct drm_connector *connector)
1067 {
1068 struct nouveau_connector *nv_connector = nouveau_connector(connector);
1069
1070 if (nv_connector->detected_encoder)
1071 return to_drm_encoder(nv_connector->detected_encoder);
1072
1073 return NULL;
1074 }
1075
1076 static const struct drm_connector_helper_funcs
1077 nouveau_connector_helper_funcs = {
1078 .get_modes = nouveau_connector_get_modes,
1079 .mode_valid = nouveau_connector_mode_valid,
1080 .best_encoder = nouveau_connector_best_encoder,
1081 };
1082
1083 static const struct drm_connector_funcs
1084 nouveau_connector_funcs = {
1085 .dpms = drm_helper_connector_dpms,
1086 .reset = nouveau_conn_reset,
1087 .detect = nouveau_connector_detect,
1088 .force = nouveau_connector_force,
1089 .fill_modes = drm_helper_probe_single_connector_modes,
1090 .set_property = nouveau_connector_set_property,
1091 .destroy = nouveau_connector_destroy,
1092 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state,
1093 .atomic_destroy_state = nouveau_conn_atomic_destroy_state,
1094 .atomic_set_property = nouveau_conn_atomic_set_property,
1095 .atomic_get_property = nouveau_conn_atomic_get_property,
1096 };
1097
1098 static const struct drm_connector_funcs
1099 nouveau_connector_funcs_lvds = {
1100 .dpms = drm_helper_connector_dpms,
1101 .reset = nouveau_conn_reset,
1102 .detect = nouveau_connector_detect_lvds,
1103 .force = nouveau_connector_force,
1104 .fill_modes = drm_helper_probe_single_connector_modes,
1105 .set_property = nouveau_connector_set_property,
1106 .destroy = nouveau_connector_destroy,
1107 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state,
1108 .atomic_destroy_state = nouveau_conn_atomic_destroy_state,
1109 .atomic_set_property = nouveau_conn_atomic_set_property,
1110 .atomic_get_property = nouveau_conn_atomic_get_property,
1111 };
1112
1113 static int
1114 nouveau_connector_hotplug(struct nvif_notify *notify)
1115 {
1116 struct nouveau_connector *nv_connector =
1117 container_of(notify, typeof(*nv_connector), hpd);
1118 struct drm_connector *connector = &nv_connector->base;
1119 struct nouveau_drm *drm = nouveau_drm(connector->dev);
1120 const struct nvif_notify_conn_rep_v0 *rep = notify->data;
1121 const char *name = connector->name;
1122 struct nouveau_encoder *nv_encoder;
1123
1124 if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) {
1125 NV_DEBUG(drm, "service %s\n", name);
1126 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP)))
1127 nv50_mstm_service(nv_encoder->dp.mstm);
1128 } else {
1129 bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG);
1130
1131 NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name);
1132 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP))) {
1133 if (!plugged)
1134 nv50_mstm_remove(nv_encoder->dp.mstm);
1135 }
1136
1137 drm_helper_hpd_irq_event(connector->dev);
1138 }
1139
1140 return NVIF_NOTIFY_KEEP;
1141 }
1142
1143 static ssize_t
1144 nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg)
1145 {
1146 struct nouveau_connector *nv_connector =
1147 container_of(obj, typeof(*nv_connector), aux);
1148 struct nouveau_encoder *nv_encoder;
1149 struct nvkm_i2c_aux *aux;
1150 u8 size = msg->size;
1151 int ret;
1152
1153 nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP);
1154 if (!nv_encoder || !(aux = nv_encoder->aux))
1155 return -ENODEV;
1156 if (WARN_ON(msg->size > 16))
1157 return -E2BIG;
1158
1159 ret = nvkm_i2c_aux_acquire(aux);
1160 if (ret)
1161 return ret;
1162
1163 ret = nvkm_i2c_aux_xfer(aux, false, msg->request, msg->address,
1164 msg->buffer, &size);
1165 nvkm_i2c_aux_release(aux);
1166 if (ret >= 0) {
1167 msg->reply = ret;
1168 return size;
1169 }
1170
1171 return ret;
1172 }
1173
1174 static int
1175 drm_conntype_from_dcb(enum dcb_connector_type dcb)
1176 {
1177 switch (dcb) {
1178 case DCB_CONNECTOR_VGA : return DRM_MODE_CONNECTOR_VGA;
1179 case DCB_CONNECTOR_TV_0 :
1180 case DCB_CONNECTOR_TV_1 :
1181 case DCB_CONNECTOR_TV_3 : return DRM_MODE_CONNECTOR_TV;
1182 case DCB_CONNECTOR_DMS59_0 :
1183 case DCB_CONNECTOR_DMS59_1 :
1184 case DCB_CONNECTOR_DVI_I : return DRM_MODE_CONNECTOR_DVII;
1185 case DCB_CONNECTOR_DVI_D : return DRM_MODE_CONNECTOR_DVID;
1186 case DCB_CONNECTOR_LVDS :
1187 case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS;
1188 case DCB_CONNECTOR_DMS59_DP0:
1189 case DCB_CONNECTOR_DMS59_DP1:
1190 case DCB_CONNECTOR_DP : return DRM_MODE_CONNECTOR_DisplayPort;
1191 case DCB_CONNECTOR_eDP : return DRM_MODE_CONNECTOR_eDP;
1192 case DCB_CONNECTOR_HDMI_0 :
1193 case DCB_CONNECTOR_HDMI_1 :
1194 case DCB_CONNECTOR_HDMI_C : return DRM_MODE_CONNECTOR_HDMIA;
1195 case DCB_CONNECTOR_WFD : return DRM_MODE_CONNECTOR_VIRTUAL;
1196 default:
1197 break;
1198 }
1199
1200 return DRM_MODE_CONNECTOR_Unknown;
1201 }
1202
1203 struct drm_connector *
1204 nouveau_connector_create(struct drm_device *dev, int index)
1205 {
1206 const struct drm_connector_funcs *funcs = &nouveau_connector_funcs;
1207 struct nouveau_drm *drm = nouveau_drm(dev);
1208 struct nouveau_display *disp = nouveau_display(dev);
1209 struct nouveau_connector *nv_connector = NULL;
1210 struct drm_connector *connector;
1211 int type, ret = 0;
1212 bool dummy;
1213
1214 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1215 nv_connector = nouveau_connector(connector);
1216 if (nv_connector->index == index)
1217 return connector;
1218 }
1219
1220 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL);
1221 if (!nv_connector)
1222 return ERR_PTR(-ENOMEM);
1223
1224 connector = &nv_connector->base;
1225 nv_connector->index = index;
1226
1227 /* attempt to parse vbios connector type and hotplug gpio */
1228 nv_connector->dcb = olddcb_conn(dev, index);
1229 if (nv_connector->dcb) {
1230 u32 entry = ROM16(nv_connector->dcb[0]);
1231 if (olddcb_conntab(dev)[3] >= 4)
1232 entry |= (u32)ROM16(nv_connector->dcb[2]) << 16;
1233
1234 nv_connector->type = nv_connector->dcb[0];
1235 if (drm_conntype_from_dcb(nv_connector->type) ==
1236 DRM_MODE_CONNECTOR_Unknown) {
1237 NV_WARN(drm, "unknown connector type %02x\n",
1238 nv_connector->type);
1239 nv_connector->type = DCB_CONNECTOR_NONE;
1240 }
1241
1242 /* Gigabyte NX85T */
1243 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) {
1244 if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1245 nv_connector->type = DCB_CONNECTOR_DVI_I;
1246 }
1247
1248 /* Gigabyte GV-NX86T512H */
1249 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) {
1250 if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1251 nv_connector->type = DCB_CONNECTOR_DVI_I;
1252 }
1253 } else {
1254 nv_connector->type = DCB_CONNECTOR_NONE;
1255 }
1256
1257 /* no vbios data, or an unknown dcb connector type - attempt to
1258 * figure out something suitable ourselves
1259 */
1260 if (nv_connector->type == DCB_CONNECTOR_NONE) {
1261 struct nouveau_drm *drm = nouveau_drm(dev);
1262 struct dcb_table *dcbt = &drm->vbios.dcb;
1263 u32 encoders = 0;
1264 int i;
1265
1266 for (i = 0; i < dcbt->entries; i++) {
1267 if (dcbt->entry[i].connector == nv_connector->index)
1268 encoders |= (1 << dcbt->entry[i].type);
1269 }
1270
1271 if (encoders & (1 << DCB_OUTPUT_DP)) {
1272 if (encoders & (1 << DCB_OUTPUT_TMDS))
1273 nv_connector->type = DCB_CONNECTOR_DP;
1274 else
1275 nv_connector->type = DCB_CONNECTOR_eDP;
1276 } else
1277 if (encoders & (1 << DCB_OUTPUT_TMDS)) {
1278 if (encoders & (1 << DCB_OUTPUT_ANALOG))
1279 nv_connector->type = DCB_CONNECTOR_DVI_I;
1280 else
1281 nv_connector->type = DCB_CONNECTOR_DVI_D;
1282 } else
1283 if (encoders & (1 << DCB_OUTPUT_ANALOG)) {
1284 nv_connector->type = DCB_CONNECTOR_VGA;
1285 } else
1286 if (encoders & (1 << DCB_OUTPUT_LVDS)) {
1287 nv_connector->type = DCB_CONNECTOR_LVDS;
1288 } else
1289 if (encoders & (1 << DCB_OUTPUT_TV)) {
1290 nv_connector->type = DCB_CONNECTOR_TV_0;
1291 }
1292 }
1293
1294 switch ((type = drm_conntype_from_dcb(nv_connector->type))) {
1295 case DRM_MODE_CONNECTOR_LVDS:
1296 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy);
1297 if (ret) {
1298 NV_ERROR(drm, "Error parsing LVDS table, disabling\n");
1299 kfree(nv_connector);
1300 return ERR_PTR(ret);
1301 }
1302
1303 funcs = &nouveau_connector_funcs_lvds;
1304 break;
1305 case DRM_MODE_CONNECTOR_DisplayPort:
1306 case DRM_MODE_CONNECTOR_eDP:
1307 nv_connector->aux.dev = dev->dev;
1308 nv_connector->aux.transfer = nouveau_connector_aux_xfer;
1309 ret = drm_dp_aux_register(&nv_connector->aux);
1310 if (ret) {
1311 NV_ERROR(drm, "failed to register aux channel\n");
1312 kfree(nv_connector);
1313 return ERR_PTR(ret);
1314 }
1315
1316 funcs = &nouveau_connector_funcs;
1317 break;
1318 default:
1319 funcs = &nouveau_connector_funcs;
1320 break;
1321 }
1322
1323 /* HDMI 3D support */
1324 if ((disp->disp.oclass >= G82_DISP)
1325 && ((type == DRM_MODE_CONNECTOR_DisplayPort)
1326 || (type == DRM_MODE_CONNECTOR_eDP)
1327 || (type == DRM_MODE_CONNECTOR_HDMIA)))
1328 connector->stereo_allowed = true;
1329
1330 /* defaults, will get overridden in detect() */
1331 connector->interlace_allowed = false;
1332 connector->doublescan_allowed = false;
1333
1334 drm_connector_init(dev, connector, funcs, type);
1335 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs);
1336
1337 connector->funcs->reset(connector);
1338 nouveau_conn_attach_properties(connector);
1339
1340 /* Default scaling mode */
1341 switch (nv_connector->type) {
1342 case DCB_CONNECTOR_LVDS:
1343 case DCB_CONNECTOR_LVDS_SPWG:
1344 case DCB_CONNECTOR_eDP:
1345 /* see note in nouveau_connector_set_property() */
1346 if (disp->disp.oclass < NV50_DISP) {
1347 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
1348 break;
1349 }
1350 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1351 break;
1352 default:
1353 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1354 break;
1355 }
1356
1357 /* dithering properties */
1358 switch (nv_connector->type) {
1359 case DCB_CONNECTOR_TV_0:
1360 case DCB_CONNECTOR_TV_1:
1361 case DCB_CONNECTOR_TV_3:
1362 case DCB_CONNECTOR_VGA:
1363 break;
1364 default:
1365 nv_connector->dithering_mode = DITHERING_MODE_AUTO;
1366 break;
1367 }
1368
1369 ret = nvif_notify_init(&disp->disp, nouveau_connector_hotplug, true,
1370 NV04_DISP_NTFY_CONN,
1371 &(struct nvif_notify_conn_req_v0) {
1372 .mask = NVIF_NOTIFY_CONN_V0_ANY,
1373 .conn = index,
1374 },
1375 sizeof(struct nvif_notify_conn_req_v0),
1376 sizeof(struct nvif_notify_conn_rep_v0),
1377 &nv_connector->hpd);
1378 if (ret)
1379 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1380 else
1381 connector->polled = DRM_CONNECTOR_POLL_HPD;
1382
1383 drm_connector_register(connector);
1384 return connector;
1385 }
CRIS linux kernel tree