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1/*
2 * Copyright (C) 2008 Maarten Maathuis.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 *
25 */
26
27#include <acpi/button.h>
28
29#include <linux/pm_runtime.h>
30#include <linux/vga_switcheroo.h>
31
32#include <drm/drm_atomic_helper.h>
33#include <drm/drm_edid.h>
34#include <drm/drm_crtc_helper.h>
35#include <drm/drm_probe_helper.h>
36#include <drm/drm_atomic.h>
37
38#include "nouveau_reg.h"
39#include "nouveau_drv.h"
40#include "dispnv04/hw.h"
41#include "dispnv50/disp.h"
42#include "nouveau_acpi.h"
43
44#include "nouveau_display.h"
45#include "nouveau_connector.h"
46#include "nouveau_encoder.h"
47#include "nouveau_crtc.h"
48
49#include <nvif/class.h>
50#include <nvif/if0011.h>
51
52struct drm_display_mode *
53nouveau_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 if (helper->mode_valid(connector, mode) != MODE_OK ||
63 (mode->flags & DRM_MODE_FLAG_INTERLACE))
64 continue;
65
66 /* Use preferred mode if there is one.. */
67 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
68 NV_DEBUG(drm, "native mode from preferred\n");
69 return drm_mode_duplicate(dev, mode);
70 }
71
72 /* Otherwise, take the resolution with the largest width, then
73 * height, then vertical refresh
74 */
75 if (mode->hdisplay < high_w)
76 continue;
77
78 if (mode->hdisplay == high_w && mode->vdisplay < high_h)
79 continue;
80
81 if (mode->hdisplay == high_w && mode->vdisplay == high_h &&
82 drm_mode_vrefresh(mode) < high_v)
83 continue;
84
85 high_w = mode->hdisplay;
86 high_h = mode->vdisplay;
87 high_v = drm_mode_vrefresh(mode);
88 largest = mode;
89 }
90
91 NV_DEBUG(drm, "native mode from largest: %dx%d@%d\n",
92 high_w, high_h, high_v);
93 return largest ? drm_mode_duplicate(dev, largest) : NULL;
94}
95
96int
97nouveau_conn_atomic_get_property(struct drm_connector *connector,
98 const struct drm_connector_state *state,
99 struct drm_property *property, u64 *val)
100{
101 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state);
102 struct nouveau_display *disp = nouveau_display(connector->dev);
103 struct drm_device *dev = connector->dev;
104
105 if (property == dev->mode_config.scaling_mode_property)
106 *val = asyc->scaler.mode;
107 else if (property == disp->underscan_property)
108 *val = asyc->scaler.underscan.mode;
109 else if (property == disp->underscan_hborder_property)
110 *val = asyc->scaler.underscan.hborder;
111 else if (property == disp->underscan_vborder_property)
112 *val = asyc->scaler.underscan.vborder;
113 else if (property == disp->dithering_mode)
114 *val = asyc->dither.mode;
115 else if (property == disp->dithering_depth)
116 *val = asyc->dither.depth;
117 else if (property == disp->vibrant_hue_property)
118 *val = asyc->procamp.vibrant_hue;
119 else if (property == disp->color_vibrance_property)
120 *val = asyc->procamp.color_vibrance;
121 else
122 return -EINVAL;
123
124 return 0;
125}
126
127int
128nouveau_conn_atomic_set_property(struct drm_connector *connector,
129 struct drm_connector_state *state,
130 struct drm_property *property, u64 val)
131{
132 struct drm_device *dev = connector->dev;
133 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state);
134 struct nouveau_display *disp = nouveau_display(dev);
135
136 if (property == dev->mode_config.scaling_mode_property) {
137 switch (val) {
138 case DRM_MODE_SCALE_NONE:
139 /* We allow 'None' for EDID modes, even on a fixed
140 * panel (some exist with support for lower refresh
141 * rates, which people might want to use for power-
142 * saving purposes).
143 *
144 * Non-EDID modes will force the use of GPU scaling
145 * to the native mode regardless of this setting.
146 */
147 switch (connector->connector_type) {
148 case DRM_MODE_CONNECTOR_LVDS:
149 case DRM_MODE_CONNECTOR_eDP:
150 /* ... except prior to G80, where the code
151 * doesn't support such things.
152 */
153 if (disp->disp.object.oclass < NV50_DISP)
154 return -EINVAL;
155 break;
156 default:
157 break;
158 }
159 break;
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
221void
222nouveau_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
230struct drm_connector_state *
231nouveau_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
245void
246nouveau_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
283void
284nouveau_conn_attach_properties(struct drm_connector *connector)
285{
286 struct drm_device *dev = connector->dev;
287 struct nouveau_display *disp = nouveau_display(dev);
288 struct nouveau_connector *nv_connector = nouveau_connector(connector);
289 struct nouveau_conn_atom *armc;
290
291 if (drm_drv_uses_atomic_modeset(connector->dev))
292 armc = nouveau_conn_atom(connector->state);
293 else
294 armc = &nv_connector->properties_state;
295
296 /* Init DVI-I specific properties. */
297 if (connector->connector_type == DRM_MODE_CONNECTOR_DVII)
298 drm_object_attach_property(&connector->base, dev->mode_config.
299 dvi_i_subconnector_property, 0);
300
301 /* Add overscan compensation options to digital outputs. */
302 if (disp->underscan_property &&
303 (connector->connector_type == DRM_MODE_CONNECTOR_DVID ||
304 connector->connector_type == DRM_MODE_CONNECTOR_DVII ||
305 connector->connector_type == DRM_MODE_CONNECTOR_HDMIA ||
306 connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)) {
307 drm_object_attach_property(&connector->base,
308 disp->underscan_property,
309 UNDERSCAN_OFF);
310 drm_object_attach_property(&connector->base,
311 disp->underscan_hborder_property, 0);
312 drm_object_attach_property(&connector->base,
313 disp->underscan_vborder_property, 0);
314 }
315
316 /* Add hue and saturation options. */
317 if (disp->vibrant_hue_property)
318 drm_object_attach_property(&connector->base,
319 disp->vibrant_hue_property,
320 armc->procamp.vibrant_hue);
321 if (disp->color_vibrance_property)
322 drm_object_attach_property(&connector->base,
323 disp->color_vibrance_property,
324 armc->procamp.color_vibrance);
325
326 /* Scaling mode property. */
327 switch (connector->connector_type) {
328 case DRM_MODE_CONNECTOR_TV:
329 break;
330 case DRM_MODE_CONNECTOR_VGA:
331 if (disp->disp.object.oclass < NV50_DISP)
332 break; /* Can only scale on DFPs. */
333 fallthrough;
334 default:
335 drm_object_attach_property(&connector->base, dev->mode_config.
336 scaling_mode_property,
337 armc->scaler.mode);
338 break;
339 }
340
341 /* Dithering properties. */
342 switch (connector->connector_type) {
343 case DRM_MODE_CONNECTOR_TV:
344 case DRM_MODE_CONNECTOR_VGA:
345 break;
346 default:
347 if (disp->dithering_mode) {
348 drm_object_attach_property(&connector->base,
349 disp->dithering_mode,
350 armc->dither.mode);
351 }
352 if (disp->dithering_depth) {
353 drm_object_attach_property(&connector->base,
354 disp->dithering_depth,
355 armc->dither.depth);
356 }
357 break;
358 }
359}
360
361MODULE_PARM_DESC(tv_disable, "Disable TV-out detection");
362int nouveau_tv_disable = 0;
363module_param_named(tv_disable, nouveau_tv_disable, int, 0400);
364
365MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status");
366int nouveau_ignorelid = 0;
367module_param_named(ignorelid, nouveau_ignorelid, int, 0400);
368
369MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (default: enabled)");
370int nouveau_duallink = 1;
371module_param_named(duallink, nouveau_duallink, int, 0400);
372
373MODULE_PARM_DESC(hdmimhz, "Force a maximum HDMI pixel clock (in MHz)");
374int nouveau_hdmimhz = 0;
375module_param_named(hdmimhz, nouveau_hdmimhz, int, 0400);
376
377struct nouveau_encoder *
378find_encoder(struct drm_connector *connector, int type)
379{
380 struct nouveau_encoder *nv_encoder;
381 struct drm_encoder *enc;
382
383 drm_connector_for_each_possible_encoder(connector, enc) {
384 nv_encoder = nouveau_encoder(enc);
385
386 if (type == DCB_OUTPUT_ANY ||
387 (nv_encoder->dcb && nv_encoder->dcb->type == type))
388 return nv_encoder;
389 }
390
391 return NULL;
392}
393
394static void
395nouveau_connector_destroy(struct drm_connector *connector)
396{
397 struct nouveau_connector *nv_connector = nouveau_connector(connector);
398 nvif_event_dtor(&nv_connector->irq);
399 nvif_event_dtor(&nv_connector->hpd);
400 kfree(nv_connector->edid);
401 drm_connector_unregister(connector);
402 drm_connector_cleanup(connector);
403 if (nv_connector->aux.transfer)
404 drm_dp_cec_unregister_connector(&nv_connector->aux);
405 nvif_conn_dtor(&nv_connector->conn);
406 kfree(connector);
407}
408
409static struct nouveau_encoder *
410nouveau_connector_ddc_detect(struct drm_connector *connector)
411{
412 struct drm_device *dev = connector->dev;
413 struct pci_dev *pdev = to_pci_dev(dev->dev);
414 struct nouveau_connector *conn = nouveau_connector(connector);
415 struct nouveau_encoder *nv_encoder = NULL, *found = NULL;
416 struct drm_encoder *encoder;
417 int ret;
418 bool switcheroo_ddc = false;
419
420 drm_connector_for_each_possible_encoder(connector, encoder) {
421 nv_encoder = nouveau_encoder(encoder);
422
423 if (nvif_object_constructed(&nv_encoder->outp.object)) {
424 enum nvif_outp_detect_status status;
425
426 if (nv_encoder->dcb->type == DCB_OUTPUT_DP) {
427 ret = nouveau_dp_detect(conn, nv_encoder);
428 if (ret == NOUVEAU_DP_MST)
429 return NULL;
430 if (ret != NOUVEAU_DP_SST)
431 continue;
432
433 return nv_encoder;
434 } else {
435 status = nvif_outp_detect(&nv_encoder->outp);
436 switch (status) {
437 case PRESENT:
438 return nv_encoder;
439 case NOT_PRESENT:
440 continue;
441 case UNKNOWN:
442 break;
443 default:
444 WARN_ON(1);
445 break;
446 }
447 }
448 }
449
450 if (!nv_encoder->i2c)
451 continue;
452
453 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS) {
454 switcheroo_ddc = !!(vga_switcheroo_handler_flags() &
455 VGA_SWITCHEROO_CAN_SWITCH_DDC);
456 }
457
458 if (switcheroo_ddc)
459 vga_switcheroo_lock_ddc(pdev);
460 if (nvkm_probe_i2c(nv_encoder->i2c, 0x50))
461 found = nv_encoder;
462 if (switcheroo_ddc)
463 vga_switcheroo_unlock_ddc(pdev);
464
465 if (found)
466 break;
467 }
468
469 return found;
470}
471
472static struct nouveau_encoder *
473nouveau_connector_of_detect(struct drm_connector *connector)
474{
475#ifdef __powerpc__
476 struct drm_device *dev = connector->dev;
477 struct nouveau_connector *nv_connector = nouveau_connector(connector);
478 struct nouveau_encoder *nv_encoder;
479 struct pci_dev *pdev = to_pci_dev(dev->dev);
480 struct device_node *dn = pci_device_to_OF_node(pdev);
481
482 if (!dn ||
483 !((nv_encoder = find_encoder(connector, DCB_OUTPUT_TMDS)) ||
484 (nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG))))
485 return NULL;
486
487 for_each_child_of_node_scoped(dn, cn) {
488 const char *name = of_get_property(cn, "name", NULL);
489 const void *edid = of_get_property(cn, "EDID", NULL);
490 int idx = name ? name[strlen(name) - 1] - 'A' : 0;
491
492 if (nv_encoder->dcb->i2c_index == idx && edid) {
493 nv_connector->edid =
494 kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
495 return nv_encoder;
496 }
497 }
498#endif
499 return NULL;
500}
501
502static void
503nouveau_connector_set_encoder(struct drm_connector *connector,
504 struct nouveau_encoder *nv_encoder)
505{
506 struct nouveau_connector *nv_connector = nouveau_connector(connector);
507 struct nouveau_drm *drm = nouveau_drm(connector->dev);
508 struct drm_device *dev = connector->dev;
509 struct pci_dev *pdev = to_pci_dev(dev->dev);
510
511 if (nv_connector->detected_encoder == nv_encoder)
512 return;
513 nv_connector->detected_encoder = nv_encoder;
514
515 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
516 if (nv_encoder->dcb->type == DCB_OUTPUT_DP)
517 connector->interlace_allowed =
518 nv_encoder->caps.dp_interlace;
519 else
520 connector->interlace_allowed =
521 drm->client.device.info.family < NV_DEVICE_INFO_V0_VOLTA;
522 connector->doublescan_allowed = true;
523 } else
524 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS ||
525 nv_encoder->dcb->type == DCB_OUTPUT_TMDS) {
526 connector->doublescan_allowed = false;
527 connector->interlace_allowed = false;
528 } else {
529 connector->doublescan_allowed = true;
530 if (drm->client.device.info.family == NV_DEVICE_INFO_V0_KELVIN ||
531 (drm->client.device.info.family == NV_DEVICE_INFO_V0_CELSIUS &&
532 (pdev->device & 0x0ff0) != 0x0100 &&
533 (pdev->device & 0x0ff0) != 0x0150))
534 /* HW is broken */
535 connector->interlace_allowed = false;
536 else
537 connector->interlace_allowed = true;
538 }
539
540 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
541 drm_object_property_set_value(&connector->base,
542 dev->mode_config.dvi_i_subconnector_property,
543 nv_encoder->dcb->type == DCB_OUTPUT_TMDS ?
544 DRM_MODE_SUBCONNECTOR_DVID :
545 DRM_MODE_SUBCONNECTOR_DVIA);
546 }
547}
548
549static void
550nouveau_connector_set_edid(struct nouveau_connector *nv_connector,
551 struct edid *edid)
552{
553 if (nv_connector->edid != edid) {
554 struct edid *old_edid = nv_connector->edid;
555
556 drm_connector_update_edid_property(&nv_connector->base, edid);
557 kfree(old_edid);
558 nv_connector->edid = edid;
559 }
560}
561
562static enum drm_connector_status
563nouveau_connector_detect(struct drm_connector *connector, bool force)
564{
565 struct drm_device *dev = connector->dev;
566 struct nouveau_drm *drm = nouveau_drm(dev);
567 struct nouveau_connector *nv_connector = nouveau_connector(connector);
568 struct nouveau_encoder *nv_encoder = NULL;
569 struct nouveau_encoder *nv_partner;
570 int type;
571 int ret;
572 enum drm_connector_status conn_status = connector_status_disconnected;
573
574 /* Outputs are only polled while runtime active, so resuming the
575 * device here is unnecessary (and would deadlock upon runtime suspend
576 * because it waits for polling to finish). We do however, want to
577 * prevent the autosuspend timer from elapsing during this operation
578 * if possible.
579 */
580 if (drm_kms_helper_is_poll_worker()) {
581 pm_runtime_get_noresume(dev->dev);
582 } else {
583 ret = pm_runtime_get_sync(dev->dev);
584 if (ret < 0 && ret != -EACCES) {
585 pm_runtime_put_autosuspend(dev->dev);
586 nouveau_connector_set_edid(nv_connector, NULL);
587 return conn_status;
588 }
589 }
590
591 nv_encoder = nouveau_connector_ddc_detect(connector);
592 if (nv_encoder) {
593 struct edid *new_edid = NULL;
594
595 if (nv_encoder->i2c) {
596 if ((vga_switcheroo_handler_flags() & VGA_SWITCHEROO_CAN_SWITCH_DDC) &&
597 nv_connector->type == DCB_CONNECTOR_LVDS)
598 new_edid = drm_get_edid_switcheroo(connector, nv_encoder->i2c);
599 else
600 new_edid = drm_get_edid(connector, nv_encoder->i2c);
601 } else {
602 ret = nvif_outp_edid_get(&nv_encoder->outp, (u8 **)&new_edid);
603 if (ret < 0)
604 return connector_status_disconnected;
605 }
606
607 nouveau_connector_set_edid(nv_connector, new_edid);
608 if (!nv_connector->edid) {
609 NV_ERROR(drm, "DDC responded, but no EDID for %s\n",
610 connector->name);
611 goto detect_analog;
612 }
613
614 /* Override encoder type for DVI-I based on whether EDID
615 * says the display is digital or analog, both use the
616 * same i2c channel so the value returned from ddc_detect
617 * isn't necessarily correct.
618 */
619 nv_partner = NULL;
620 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS)
621 nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG);
622 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG)
623 nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS);
624
625 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG &&
626 nv_partner->dcb->type == DCB_OUTPUT_TMDS) ||
627 (nv_encoder->dcb->type == DCB_OUTPUT_TMDS &&
628 nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) {
629 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL)
630 type = DCB_OUTPUT_TMDS;
631 else
632 type = DCB_OUTPUT_ANALOG;
633
634 nv_encoder = find_encoder(connector, type);
635 }
636
637 nouveau_connector_set_encoder(connector, nv_encoder);
638 conn_status = connector_status_connected;
639
640 if (nv_encoder->dcb->type == DCB_OUTPUT_DP)
641 drm_dp_cec_set_edid(&nv_connector->aux, nv_connector->edid);
642
643 goto out;
644 } else {
645 nouveau_connector_set_edid(nv_connector, NULL);
646 }
647
648 nv_encoder = nouveau_connector_of_detect(connector);
649 if (nv_encoder) {
650 nouveau_connector_set_encoder(connector, nv_encoder);
651 conn_status = connector_status_connected;
652 goto out;
653 }
654
655detect_analog:
656 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG);
657 if (!nv_encoder && !nouveau_tv_disable)
658 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV);
659 if (nv_encoder && force) {
660 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
661 const struct drm_encoder_helper_funcs *helper =
662 encoder->helper_private;
663
664 if (helper->detect(encoder, connector) ==
665 connector_status_connected) {
666 nouveau_connector_set_encoder(connector, nv_encoder);
667 conn_status = connector_status_connected;
668 goto out;
669 }
670 }
671
672 out:
673 if (!nv_connector->edid)
674 drm_dp_cec_unset_edid(&nv_connector->aux);
675
676 pm_runtime_mark_last_busy(dev->dev);
677 pm_runtime_put_autosuspend(dev->dev);
678
679 return conn_status;
680}
681
682static enum drm_connector_status
683nouveau_connector_detect_lvds(struct drm_connector *connector, bool force)
684{
685 struct drm_device *dev = connector->dev;
686 struct nouveau_drm *drm = nouveau_drm(dev);
687 struct nouveau_connector *nv_connector = nouveau_connector(connector);
688 struct nouveau_encoder *nv_encoder = NULL;
689 struct edid *edid = NULL;
690 enum drm_connector_status status = connector_status_disconnected;
691
692 nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS);
693 if (!nv_encoder)
694 goto out;
695
696 /* Try retrieving EDID via DDC */
697 if (!drm->vbios.fp_no_ddc) {
698 status = nouveau_connector_detect(connector, force);
699 if (status == connector_status_connected) {
700 edid = nv_connector->edid;
701 goto out;
702 }
703 }
704
705 /* On some laptops (Sony, i'm looking at you) there appears to
706 * be no direct way of accessing the panel's EDID. The only
707 * option available to us appears to be to ask ACPI for help..
708 *
709 * It's important this check's before trying straps, one of the
710 * said manufacturer's laptops are configured in such a way
711 * the nouveau decides an entry in the VBIOS FP mode table is
712 * valid - it's not (rh#613284)
713 */
714 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) {
715 edid = nouveau_acpi_edid(dev, connector);
716 if (edid) {
717 status = connector_status_connected;
718 goto out;
719 }
720 }
721
722 /* If no EDID found above, and the VBIOS indicates a hardcoded
723 * modeline is avalilable for the panel, set it as the panel's
724 * native mode and exit.
725 */
726 if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc ||
727 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) {
728 status = connector_status_connected;
729 goto out;
730 }
731
732 /* Still nothing, some VBIOS images have a hardcoded EDID block
733 * stored for the panel stored in them.
734 */
735 if (!drm->vbios.fp_no_ddc) {
736 edid = (struct edid *)nouveau_bios_embedded_edid(dev);
737 if (edid) {
738 edid = kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
739 if (edid)
740 status = connector_status_connected;
741 }
742 }
743
744out:
745#if defined(CONFIG_ACPI_BUTTON) || \
746 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE))
747 if (status == connector_status_connected &&
748 !nouveau_ignorelid && !acpi_lid_open())
749 status = connector_status_unknown;
750#endif
751
752 nouveau_connector_set_edid(nv_connector, edid);
753 if (nv_encoder)
754 nouveau_connector_set_encoder(connector, nv_encoder);
755 return status;
756}
757
758static void
759nouveau_connector_force(struct drm_connector *connector)
760{
761 struct nouveau_drm *drm = nouveau_drm(connector->dev);
762 struct nouveau_connector *nv_connector = nouveau_connector(connector);
763 struct nouveau_encoder *nv_encoder;
764 int type;
765
766 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
767 if (connector->force == DRM_FORCE_ON_DIGITAL)
768 type = DCB_OUTPUT_TMDS;
769 else
770 type = DCB_OUTPUT_ANALOG;
771 } else
772 type = DCB_OUTPUT_ANY;
773
774 nv_encoder = find_encoder(connector, type);
775 if (!nv_encoder) {
776 NV_ERROR(drm, "can't find encoder to force %s on!\n",
777 connector->name);
778 connector->status = connector_status_disconnected;
779 return;
780 }
781
782 nouveau_connector_set_encoder(connector, nv_encoder);
783}
784
785static int
786nouveau_connector_set_property(struct drm_connector *connector,
787 struct drm_property *property, uint64_t value)
788{
789 struct nouveau_connector *nv_connector = nouveau_connector(connector);
790 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
791 struct nouveau_conn_atom *asyc = &nv_connector->properties_state;
792 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
793 int ret;
794
795 ret = connector->funcs->atomic_set_property(&nv_connector->base,
796 &asyc->state,
797 property, value);
798 if (ret) {
799 if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV)
800 return get_slave_funcs(encoder)->set_property(
801 encoder, connector, property, value);
802 return ret;
803 }
804
805 nv_connector->scaling_mode = asyc->scaler.mode;
806 nv_connector->dithering_mode = asyc->dither.mode;
807
808 if (connector->encoder && connector->encoder->crtc) {
809 ret = drm_crtc_helper_set_mode(connector->encoder->crtc,
810 &connector->encoder->crtc->mode,
811 connector->encoder->crtc->x,
812 connector->encoder->crtc->y,
813 NULL);
814 if (!ret)
815 return -EINVAL;
816 }
817
818 return 0;
819}
820
821struct moderec {
822 int hdisplay;
823 int vdisplay;
824};
825
826static struct moderec scaler_modes[] = {
827 { 1920, 1200 },
828 { 1920, 1080 },
829 { 1680, 1050 },
830 { 1600, 1200 },
831 { 1400, 1050 },
832 { 1280, 1024 },
833 { 1280, 960 },
834 { 1152, 864 },
835 { 1024, 768 },
836 { 800, 600 },
837 { 720, 400 },
838 { 640, 480 },
839 { 640, 400 },
840 { 640, 350 },
841 {}
842};
843
844static int
845nouveau_connector_scaler_modes_add(struct drm_connector *connector)
846{
847 struct nouveau_connector *nv_connector = nouveau_connector(connector);
848 struct drm_display_mode *native = nv_connector->native_mode, *m;
849 struct drm_device *dev = connector->dev;
850 struct moderec *mode = &scaler_modes[0];
851 int modes = 0;
852
853 if (!native)
854 return 0;
855
856 while (mode->hdisplay) {
857 if (mode->hdisplay <= native->hdisplay &&
858 mode->vdisplay <= native->vdisplay &&
859 (mode->hdisplay != native->hdisplay ||
860 mode->vdisplay != native->vdisplay)) {
861 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay,
862 drm_mode_vrefresh(native), false,
863 false, false);
864 if (!m)
865 continue;
866
867 drm_mode_probed_add(connector, m);
868 modes++;
869 }
870
871 mode++;
872 }
873
874 return modes;
875}
876
877static void
878nouveau_connector_detect_depth(struct drm_connector *connector)
879{
880 struct nouveau_drm *drm = nouveau_drm(connector->dev);
881 struct nouveau_connector *nv_connector = nouveau_connector(connector);
882 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
883 struct nvbios *bios = &drm->vbios;
884 struct drm_display_mode *mode = nv_connector->native_mode;
885 bool duallink;
886
887 /* if the edid is feeling nice enough to provide this info, use it */
888 if (nv_connector->edid && connector->display_info.bpc)
889 return;
890
891 /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */
892 if (nv_connector->type == DCB_CONNECTOR_eDP) {
893 connector->display_info.bpc = 6;
894 return;
895 }
896
897 /* we're out of options unless we're LVDS, default to 8bpc */
898 if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) {
899 connector->display_info.bpc = 8;
900 return;
901 }
902
903 connector->display_info.bpc = 6;
904
905 /* LVDS: panel straps */
906 if (bios->fp_no_ddc) {
907 if (bios->fp.if_is_24bit)
908 connector->display_info.bpc = 8;
909 return;
910 }
911
912 /* LVDS: DDC panel, need to first determine the number of links to
913 * know which if_is_24bit flag to check...
914 */
915 if (nv_connector->edid &&
916 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG)
917 duallink = ((u8 *)nv_connector->edid)[121] == 2;
918 else
919 duallink = mode->clock >= bios->fp.duallink_transition_clk;
920
921 if ((!duallink && (bios->fp.strapless_is_24bit & 1)) ||
922 ( duallink && (bios->fp.strapless_is_24bit & 2)))
923 connector->display_info.bpc = 8;
924}
925
926static int
927nouveau_connector_late_register(struct drm_connector *connector)
928{
929 int ret;
930
931 ret = nouveau_backlight_init(connector);
932 if (ret)
933 return ret;
934
935 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
936 connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
937 ret = drm_dp_aux_register(&nouveau_connector(connector)->aux);
938 if (ret)
939 goto backlight_fini;
940 }
941
942 return 0;
943backlight_fini:
944 nouveau_backlight_fini(connector);
945 return ret;
946}
947
948static void
949nouveau_connector_early_unregister(struct drm_connector *connector)
950{
951 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
952 connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)
953 drm_dp_aux_unregister(&nouveau_connector(connector)->aux);
954
955 nouveau_backlight_fini(connector);
956}
957
958static int
959nouveau_connector_get_modes(struct drm_connector *connector)
960{
961 struct drm_device *dev = connector->dev;
962 struct nouveau_drm *drm = nouveau_drm(dev);
963 struct nouveau_connector *nv_connector = nouveau_connector(connector);
964 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
965 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
966 int ret = 0;
967
968 /* destroy the native mode, the attached monitor could have changed.
969 */
970 if (nv_connector->native_mode) {
971 drm_mode_destroy(dev, nv_connector->native_mode);
972 nv_connector->native_mode = NULL;
973 }
974
975 if (nv_connector->edid)
976 ret = drm_add_edid_modes(connector, nv_connector->edid);
977 else
978 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS &&
979 (nv_encoder->dcb->lvdsconf.use_straps_for_mode ||
980 drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) {
981 struct drm_display_mode mode;
982
983 nouveau_bios_fp_mode(dev, &mode);
984 nv_connector->native_mode = drm_mode_duplicate(dev, &mode);
985 }
986
987 /* Determine display colour depth for everything except LVDS now,
988 * DP requires this before mode_valid() is called.
989 */
990 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS)
991 nouveau_connector_detect_depth(connector);
992
993 /* Find the native mode if this is a digital panel, if we didn't
994 * find any modes through DDC previously add the native mode to
995 * the list of modes.
996 */
997 if (!nv_connector->native_mode)
998 nv_connector->native_mode = nouveau_conn_native_mode(connector);
999 if (ret == 0 && nv_connector->native_mode) {
1000 struct drm_display_mode *mode;
1001
1002 mode = drm_mode_duplicate(dev, nv_connector->native_mode);
1003 if (!mode)
1004 return 0;
1005
1006 drm_mode_probed_add(connector, mode);
1007 ret = 1;
1008 }
1009
1010 /* Determine LVDS colour depth, must happen after determining
1011 * "native" mode as some VBIOS tables require us to use the
1012 * pixel clock as part of the lookup...
1013 */
1014 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS && nv_connector->native_mode)
1015 nouveau_connector_detect_depth(connector);
1016
1017 if (nv_encoder->dcb->type == DCB_OUTPUT_TV)
1018 ret = get_slave_funcs(encoder)->get_modes(encoder, connector);
1019
1020 if (nv_connector->type == DCB_CONNECTOR_LVDS ||
1021 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG ||
1022 nv_connector->type == DCB_CONNECTOR_eDP)
1023 ret += nouveau_connector_scaler_modes_add(connector);
1024
1025 return ret;
1026}
1027
1028static unsigned
1029get_tmds_link_bandwidth(struct drm_connector *connector)
1030{
1031 struct nouveau_connector *nv_connector = nouveau_connector(connector);
1032 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
1033 struct nouveau_drm *drm = nouveau_drm(connector->dev);
1034 struct dcb_output *dcb = nv_connector->detected_encoder->dcb;
1035 struct drm_display_info *info = NULL;
1036 unsigned duallink_scale =
1037 nouveau_duallink && nv_encoder->dcb->duallink_possible ? 2 : 1;
1038
1039 if (nv_connector->base.display_info.is_hdmi) {
1040 info = &nv_connector->base.display_info;
1041 duallink_scale = 1;
1042 }
1043
1044 if (info) {
1045 if (nouveau_hdmimhz > 0)
1046 return nouveau_hdmimhz * 1000;
1047 /* Note: these limits are conservative, some Fermi's
1048 * can do 297 MHz. Unclear how this can be determined.
1049 */
1050 if (drm->client.device.info.chipset >= 0x120) {
1051 const int max_tmds_clock =
1052 info->hdmi.scdc.scrambling.supported ?
1053 594000 : 340000;
1054 return info->max_tmds_clock ?
1055 min(info->max_tmds_clock, max_tmds_clock) :
1056 max_tmds_clock;
1057 }
1058 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_KEPLER)
1059 return 297000;
1060 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_FERMI)
1061 return 225000;
1062 }
1063
1064 if (dcb->location != DCB_LOC_ON_CHIP ||
1065 drm->client.device.info.chipset >= 0x46)
1066 return 165000 * duallink_scale;
1067 else if (drm->client.device.info.chipset >= 0x40)
1068 return 155000 * duallink_scale;
1069 else if (drm->client.device.info.chipset >= 0x18)
1070 return 135000 * duallink_scale;
1071 else
1072 return 112000 * duallink_scale;
1073}
1074
1075static enum drm_mode_status
1076nouveau_connector_mode_valid(struct drm_connector *connector,
1077 struct drm_display_mode *mode)
1078{
1079 struct nouveau_connector *nv_connector = nouveau_connector(connector);
1080 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
1081 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
1082 unsigned int min_clock = 25000, max_clock = min_clock, clock = mode->clock;
1083
1084 switch (nv_encoder->dcb->type) {
1085 case DCB_OUTPUT_LVDS:
1086 if (nv_connector->native_mode &&
1087 (mode->hdisplay > nv_connector->native_mode->hdisplay ||
1088 mode->vdisplay > nv_connector->native_mode->vdisplay))
1089 return MODE_PANEL;
1090
1091 min_clock = 0;
1092 max_clock = 400000;
1093 break;
1094 case DCB_OUTPUT_TMDS:
1095 max_clock = get_tmds_link_bandwidth(connector);
1096 break;
1097 case DCB_OUTPUT_ANALOG:
1098 max_clock = nv_encoder->dcb->crtconf.maxfreq;
1099 if (!max_clock)
1100 max_clock = 350000;
1101 break;
1102 case DCB_OUTPUT_TV:
1103 return get_slave_funcs(encoder)->mode_valid(encoder, mode);
1104 case DCB_OUTPUT_DP:
1105 return nv50_dp_mode_valid(nv_encoder, mode, NULL);
1106 default:
1107 BUG();
1108 return MODE_BAD;
1109 }
1110
1111 if ((mode->flags & DRM_MODE_FLAG_3D_MASK) == DRM_MODE_FLAG_3D_FRAME_PACKING)
1112 clock *= 2;
1113
1114 if (clock < min_clock)
1115 return MODE_CLOCK_LOW;
1116 if (clock > max_clock)
1117 return MODE_CLOCK_HIGH;
1118
1119 return MODE_OK;
1120}
1121
1122static struct drm_encoder *
1123nouveau_connector_best_encoder(struct drm_connector *connector)
1124{
1125 struct nouveau_connector *nv_connector = nouveau_connector(connector);
1126
1127 if (nv_connector->detected_encoder)
1128 return to_drm_encoder(nv_connector->detected_encoder);
1129
1130 return NULL;
1131}
1132
1133static int
1134nouveau_connector_atomic_check(struct drm_connector *connector, struct drm_atomic_state *state)
1135{
1136 struct nouveau_connector *nv_conn = nouveau_connector(connector);
1137 struct drm_connector_state *conn_state =
1138 drm_atomic_get_new_connector_state(state, connector);
1139
1140 if (!nv_conn->dp_encoder || !nv_conn->dp_encoder->dp.mstm)
1141 return 0;
1142
1143 return drm_dp_mst_root_conn_atomic_check(conn_state, &nv_conn->dp_encoder->dp.mstm->mgr);
1144}
1145
1146static const struct drm_connector_helper_funcs
1147nouveau_connector_helper_funcs = {
1148 .get_modes = nouveau_connector_get_modes,
1149 .mode_valid = nouveau_connector_mode_valid,
1150 .best_encoder = nouveau_connector_best_encoder,
1151 .atomic_check = nouveau_connector_atomic_check,
1152};
1153
1154static const struct drm_connector_funcs
1155nouveau_connector_funcs = {
1156 .dpms = drm_helper_connector_dpms,
1157 .reset = nouveau_conn_reset,
1158 .detect = nouveau_connector_detect,
1159 .force = nouveau_connector_force,
1160 .fill_modes = drm_helper_probe_single_connector_modes,
1161 .set_property = nouveau_connector_set_property,
1162 .destroy = nouveau_connector_destroy,
1163 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state,
1164 .atomic_destroy_state = nouveau_conn_atomic_destroy_state,
1165 .atomic_set_property = nouveau_conn_atomic_set_property,
1166 .atomic_get_property = nouveau_conn_atomic_get_property,
1167 .late_register = nouveau_connector_late_register,
1168 .early_unregister = nouveau_connector_early_unregister,
1169};
1170
1171static const struct drm_connector_funcs
1172nouveau_connector_funcs_lvds = {
1173 .dpms = drm_helper_connector_dpms,
1174 .reset = nouveau_conn_reset,
1175 .detect = nouveau_connector_detect_lvds,
1176 .force = nouveau_connector_force,
1177 .fill_modes = drm_helper_probe_single_connector_modes,
1178 .set_property = nouveau_connector_set_property,
1179 .destroy = nouveau_connector_destroy,
1180 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state,
1181 .atomic_destroy_state = nouveau_conn_atomic_destroy_state,
1182 .atomic_set_property = nouveau_conn_atomic_set_property,
1183 .atomic_get_property = nouveau_conn_atomic_get_property,
1184 .late_register = nouveau_connector_late_register,
1185 .early_unregister = nouveau_connector_early_unregister,
1186};
1187
1188void
1189nouveau_connector_hpd(struct nouveau_connector *nv_connector, u64 bits)
1190{
1191 struct nouveau_drm *drm = nouveau_drm(nv_connector->base.dev);
1192 u32 mask = drm_connector_mask(&nv_connector->base);
1193 unsigned long flags;
1194
1195 spin_lock_irqsave(&drm->hpd_lock, flags);
1196 if (!(drm->hpd_pending & mask)) {
1197 nv_connector->hpd_pending |= bits;
1198 drm->hpd_pending |= mask;
1199 schedule_work(&drm->hpd_work);
1200 }
1201 spin_unlock_irqrestore(&drm->hpd_lock, flags);
1202}
1203
1204static int
1205nouveau_connector_irq(struct nvif_event *event, void *repv, u32 repc)
1206{
1207 struct nouveau_connector *nv_connector = container_of(event, typeof(*nv_connector), irq);
1208
1209 schedule_work(&nv_connector->irq_work);
1210 return NVIF_EVENT_KEEP;
1211}
1212
1213static int
1214nouveau_connector_hotplug(struct nvif_event *event, void *repv, u32 repc)
1215{
1216 struct nouveau_connector *nv_connector = container_of(event, typeof(*nv_connector), hpd);
1217 struct nvif_conn_event_v0 *rep = repv;
1218
1219 nouveau_connector_hpd(nv_connector, rep->types);
1220 return NVIF_EVENT_KEEP;
1221}
1222
1223static ssize_t
1224nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg)
1225{
1226 struct nouveau_connector *nv_connector =
1227 container_of(obj, typeof(*nv_connector), aux);
1228 struct nouveau_encoder *nv_encoder;
1229 u8 size = msg->size;
1230 int ret;
1231
1232 nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP);
1233 if (!nv_encoder)
1234 return -ENODEV;
1235 if (WARN_ON(msg->size > 16))
1236 return -E2BIG;
1237
1238 ret = nvif_outp_dp_aux_xfer(&nv_encoder->outp,
1239 msg->request, &size, msg->address, msg->buffer);
1240 if (ret >= 0) {
1241 msg->reply = ret;
1242 return size;
1243 }
1244
1245 return ret;
1246}
1247
1248static int
1249drm_conntype_from_dcb(enum dcb_connector_type dcb)
1250{
1251 switch (dcb) {
1252 case DCB_CONNECTOR_VGA : return DRM_MODE_CONNECTOR_VGA;
1253 case DCB_CONNECTOR_TV_0 :
1254 case DCB_CONNECTOR_TV_1 :
1255 case DCB_CONNECTOR_TV_3 : return DRM_MODE_CONNECTOR_TV;
1256 case DCB_CONNECTOR_DMS59_0 :
1257 case DCB_CONNECTOR_DMS59_1 :
1258 case DCB_CONNECTOR_DVI_I : return DRM_MODE_CONNECTOR_DVII;
1259 case DCB_CONNECTOR_DVI_D : return DRM_MODE_CONNECTOR_DVID;
1260 case DCB_CONNECTOR_LVDS :
1261 case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS;
1262 case DCB_CONNECTOR_DMS59_DP0:
1263 case DCB_CONNECTOR_DMS59_DP1:
1264 case DCB_CONNECTOR_DP :
1265 case DCB_CONNECTOR_mDP :
1266 case DCB_CONNECTOR_USB_C : return DRM_MODE_CONNECTOR_DisplayPort;
1267 case DCB_CONNECTOR_eDP : return DRM_MODE_CONNECTOR_eDP;
1268 case DCB_CONNECTOR_HDMI_0 :
1269 case DCB_CONNECTOR_HDMI_1 :
1270 case DCB_CONNECTOR_HDMI_C : return DRM_MODE_CONNECTOR_HDMIA;
1271 case DCB_CONNECTOR_WFD : return DRM_MODE_CONNECTOR_VIRTUAL;
1272 default:
1273 break;
1274 }
1275
1276 return DRM_MODE_CONNECTOR_Unknown;
1277}
1278
1279struct drm_connector *
1280nouveau_connector_create(struct drm_device *dev, int index)
1281{
1282 struct nouveau_drm *drm = nouveau_drm(dev);
1283 struct nouveau_display *disp = nouveau_display(dev);
1284 struct nouveau_connector *nv_connector = NULL;
1285 struct drm_connector *connector;
1286 struct drm_connector_list_iter conn_iter;
1287 int type, ret = 0;
1288 bool dummy;
1289
1290 drm_connector_list_iter_begin(dev, &conn_iter);
1291 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
1292 nv_connector = nouveau_connector(connector);
1293 if (nv_connector->index == index) {
1294 drm_connector_list_iter_end(&conn_iter);
1295 return connector;
1296 }
1297 }
1298 drm_connector_list_iter_end(&conn_iter);
1299
1300 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL);
1301 if (!nv_connector)
1302 return ERR_PTR(-ENOMEM);
1303
1304 connector = &nv_connector->base;
1305 nv_connector->index = index;
1306 INIT_WORK(&nv_connector->irq_work, nouveau_dp_irq);
1307
1308 if (disp->disp.conn_mask & BIT(nv_connector->index)) {
1309 ret = nvif_conn_ctor(&disp->disp, nv_connector->base.name, nv_connector->index,
1310 &nv_connector->conn);
1311 if (ret) {
1312 kfree(nv_connector);
1313 return ERR_PTR(ret);
1314 }
1315
1316 switch (nv_connector->conn.info.type) {
1317 case NVIF_CONN_VGA : type = DCB_CONNECTOR_VGA; break;
1318 case NVIF_CONN_DVI_I : type = DCB_CONNECTOR_DVI_I; break;
1319 case NVIF_CONN_DVI_D : type = DCB_CONNECTOR_DVI_D; break;
1320 case NVIF_CONN_LVDS : type = DCB_CONNECTOR_LVDS; break;
1321 case NVIF_CONN_LVDS_SPWG: type = DCB_CONNECTOR_LVDS_SPWG; break;
1322 case NVIF_CONN_DP : type = DCB_CONNECTOR_DP; break;
1323 case NVIF_CONN_EDP : type = DCB_CONNECTOR_eDP; break;
1324 case NVIF_CONN_HDMI : type = DCB_CONNECTOR_HDMI_0; break;
1325 default:
1326 WARN_ON(1);
1327 return NULL;
1328 }
1329
1330 nv_connector->type = type;
1331 } else {
1332 u8 *dcb = olddcb_conn(dev, nv_connector->index);
1333
1334 if (dcb)
1335 nv_connector->type = dcb[0];
1336 else
1337 nv_connector->type = DCB_CONNECTOR_NONE;
1338
1339 /* attempt to parse vbios connector type and hotplug gpio */
1340 if (nv_connector->type != DCB_CONNECTOR_NONE) {
1341 if (drm_conntype_from_dcb(nv_connector->type) ==
1342 DRM_MODE_CONNECTOR_Unknown) {
1343 NV_WARN(drm, "unknown connector type %02x\n",
1344 nv_connector->type);
1345 nv_connector->type = DCB_CONNECTOR_NONE;
1346 }
1347 }
1348
1349 /* no vbios data, or an unknown dcb connector type - attempt to
1350 * figure out something suitable ourselves
1351 */
1352 if (nv_connector->type == DCB_CONNECTOR_NONE &&
1353 !WARN_ON(drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA)) {
1354 struct dcb_table *dcbt = &drm->vbios.dcb;
1355 u32 encoders = 0;
1356 int i;
1357
1358 for (i = 0; i < dcbt->entries; i++) {
1359 if (dcbt->entry[i].connector == nv_connector->index)
1360 encoders |= (1 << dcbt->entry[i].type);
1361 }
1362
1363 if (encoders & (1 << DCB_OUTPUT_TMDS)) {
1364 if (encoders & (1 << DCB_OUTPUT_ANALOG))
1365 nv_connector->type = DCB_CONNECTOR_DVI_I;
1366 else
1367 nv_connector->type = DCB_CONNECTOR_DVI_D;
1368 } else
1369 if (encoders & (1 << DCB_OUTPUT_ANALOG)) {
1370 nv_connector->type = DCB_CONNECTOR_VGA;
1371 } else
1372 if (encoders & (1 << DCB_OUTPUT_LVDS)) {
1373 nv_connector->type = DCB_CONNECTOR_LVDS;
1374 } else
1375 if (encoders & (1 << DCB_OUTPUT_TV)) {
1376 nv_connector->type = DCB_CONNECTOR_TV_0;
1377 }
1378 }
1379 }
1380
1381 type = drm_conntype_from_dcb(nv_connector->type);
1382 if (type == DRM_MODE_CONNECTOR_LVDS)
1383 drm_connector_init(dev, connector, &nouveau_connector_funcs_lvds, type);
1384 else
1385 drm_connector_init(dev, connector, &nouveau_connector_funcs, type);
1386
1387 switch (type) {
1388 case DRM_MODE_CONNECTOR_LVDS:
1389 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy);
1390 if (ret) {
1391 NV_ERROR(drm, "Error parsing LVDS table, disabling\n");
1392 kfree(nv_connector);
1393 return ERR_PTR(ret);
1394 }
1395
1396 break;
1397 case DRM_MODE_CONNECTOR_DisplayPort:
1398 case DRM_MODE_CONNECTOR_eDP:
1399 nv_connector->aux.dev = connector->kdev;
1400 nv_connector->aux.drm_dev = dev;
1401 nv_connector->aux.transfer = nouveau_connector_aux_xfer;
1402 nv_connector->aux.name = connector->name;
1403 drm_dp_aux_init(&nv_connector->aux);
1404 break;
1405 default:
1406 break;
1407 }
1408
1409 /* HDMI 3D support */
1410 if ((disp->disp.object.oclass >= G82_DISP)
1411 && ((type == DRM_MODE_CONNECTOR_DisplayPort)
1412 || (type == DRM_MODE_CONNECTOR_eDP)
1413 || (type == DRM_MODE_CONNECTOR_HDMIA)))
1414 connector->stereo_allowed = true;
1415
1416 /* defaults, will get overridden in detect() */
1417 connector->interlace_allowed = false;
1418 connector->doublescan_allowed = false;
1419
1420 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs);
1421 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1422
1423 if (nvif_object_constructed(&nv_connector->conn.object)) {
1424 ret = nvif_conn_event_ctor(&nv_connector->conn, "kmsHotplug",
1425 nouveau_connector_hotplug,
1426 NVIF_CONN_EVENT_V0_PLUG | NVIF_CONN_EVENT_V0_UNPLUG,
1427 &nv_connector->hpd);
1428 if (ret == 0)
1429 connector->polled = DRM_CONNECTOR_POLL_HPD;
1430
1431 if (nv_connector->aux.transfer) {
1432 ret = nvif_conn_event_ctor(&nv_connector->conn, "kmsDpIrq",
1433 nouveau_connector_irq, NVIF_CONN_EVENT_V0_IRQ,
1434 &nv_connector->irq);
1435 if (ret) {
1436 nvif_event_dtor(&nv_connector->hpd);
1437 nvif_conn_dtor(&nv_connector->conn);
1438 goto drm_conn_err;
1439 }
1440 }
1441 }
1442
1443 connector->funcs->reset(connector);
1444 nouveau_conn_attach_properties(connector);
1445
1446 /* Default scaling mode */
1447 switch (nv_connector->type) {
1448 case DCB_CONNECTOR_LVDS:
1449 case DCB_CONNECTOR_LVDS_SPWG:
1450 case DCB_CONNECTOR_eDP:
1451 /* see note in nouveau_connector_set_property() */
1452 if (disp->disp.object.oclass < NV50_DISP) {
1453 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
1454 break;
1455 }
1456 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1457 break;
1458 default:
1459 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1460 break;
1461 }
1462
1463 /* dithering properties */
1464 switch (nv_connector->type) {
1465 case DCB_CONNECTOR_TV_0:
1466 case DCB_CONNECTOR_TV_1:
1467 case DCB_CONNECTOR_TV_3:
1468 case DCB_CONNECTOR_VGA:
1469 break;
1470 default:
1471 nv_connector->dithering_mode = DITHERING_MODE_AUTO;
1472 break;
1473 }
1474
1475 switch (type) {
1476 case DRM_MODE_CONNECTOR_DisplayPort:
1477 nv_connector->dp_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP);
1478 fallthrough;
1479 case DRM_MODE_CONNECTOR_eDP:
1480 drm_dp_cec_register_connector(&nv_connector->aux, connector);
1481 break;
1482 }
1483
1484 drm_connector_register(connector);
1485 return connector;
1486
1487drm_conn_err:
1488 drm_connector_cleanup(connector);
1489 kfree(nv_connector);
1490 return ERR_PTR(ret);
1491}
1/*
2 * Copyright (C) 2008 Maarten Maathuis.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 *
25 */
26
27#include <acpi/button.h>
28
29#include <linux/pm_runtime.h>
30#include <linux/vga_switcheroo.h>
31
32#include <drm/drm_atomic_helper.h>
33#include <drm/drm_edid.h>
34#include <drm/drm_crtc_helper.h>
35#include <drm/drm_probe_helper.h>
36#include <drm/drm_atomic.h>
37
38#include "nouveau_reg.h"
39#include "nouveau_drv.h"
40#include "dispnv04/hw.h"
41#include "dispnv50/disp.h"
42#include "nouveau_acpi.h"
43
44#include "nouveau_display.h"
45#include "nouveau_connector.h"
46#include "nouveau_encoder.h"
47#include "nouveau_crtc.h"
48
49#include <nvif/class.h>
50#include <nvif/cl0046.h>
51#include <nvif/event.h>
52
53struct drm_display_mode *
54nouveau_conn_native_mode(struct drm_connector *connector)
55{
56 const struct drm_connector_helper_funcs *helper = connector->helper_private;
57 struct nouveau_drm *drm = nouveau_drm(connector->dev);
58 struct drm_device *dev = connector->dev;
59 struct drm_display_mode *mode, *largest = NULL;
60 int high_w = 0, high_h = 0, high_v = 0;
61
62 list_for_each_entry(mode, &connector->probed_modes, head) {
63 if (helper->mode_valid(connector, mode) != MODE_OK ||
64 (mode->flags & DRM_MODE_FLAG_INTERLACE))
65 continue;
66
67 /* Use preferred mode if there is one.. */
68 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
69 NV_DEBUG(drm, "native mode from preferred\n");
70 return drm_mode_duplicate(dev, mode);
71 }
72
73 /* Otherwise, take the resolution with the largest width, then
74 * height, then vertical refresh
75 */
76 if (mode->hdisplay < high_w)
77 continue;
78
79 if (mode->hdisplay == high_w && mode->vdisplay < high_h)
80 continue;
81
82 if (mode->hdisplay == high_w && mode->vdisplay == high_h &&
83 drm_mode_vrefresh(mode) < high_v)
84 continue;
85
86 high_w = mode->hdisplay;
87 high_h = mode->vdisplay;
88 high_v = drm_mode_vrefresh(mode);
89 largest = mode;
90 }
91
92 NV_DEBUG(drm, "native mode from largest: %dx%d@%d\n",
93 high_w, high_h, high_v);
94 return largest ? drm_mode_duplicate(dev, largest) : NULL;
95}
96
97int
98nouveau_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
128int
129nouveau_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
221void
222nouveau_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
230struct drm_connector_state *
231nouveau_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
245void
246nouveau_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
283void
284nouveau_conn_attach_properties(struct drm_connector *connector)
285{
286 struct drm_device *dev = connector->dev;
287 struct nouveau_display *disp = nouveau_display(dev);
288 struct nouveau_connector *nv_connector = nouveau_connector(connector);
289 struct nouveau_conn_atom *armc;
290
291 if (drm_drv_uses_atomic_modeset(connector->dev))
292 armc = nouveau_conn_atom(connector->state);
293 else
294 armc = &nv_connector->properties_state;
295
296 /* Init DVI-I specific properties. */
297 if (connector->connector_type == DRM_MODE_CONNECTOR_DVII)
298 drm_object_attach_property(&connector->base, dev->mode_config.
299 dvi_i_subconnector_property, 0);
300
301 /* Add overscan compensation options to digital outputs. */
302 if (disp->underscan_property &&
303 (connector->connector_type == DRM_MODE_CONNECTOR_DVID ||
304 connector->connector_type == DRM_MODE_CONNECTOR_DVII ||
305 connector->connector_type == DRM_MODE_CONNECTOR_HDMIA ||
306 connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)) {
307 drm_object_attach_property(&connector->base,
308 disp->underscan_property,
309 UNDERSCAN_OFF);
310 drm_object_attach_property(&connector->base,
311 disp->underscan_hborder_property, 0);
312 drm_object_attach_property(&connector->base,
313 disp->underscan_vborder_property, 0);
314 }
315
316 /* Add hue and saturation options. */
317 if (disp->vibrant_hue_property)
318 drm_object_attach_property(&connector->base,
319 disp->vibrant_hue_property,
320 armc->procamp.vibrant_hue);
321 if (disp->color_vibrance_property)
322 drm_object_attach_property(&connector->base,
323 disp->color_vibrance_property,
324 armc->procamp.color_vibrance);
325
326 /* Scaling mode property. */
327 switch (connector->connector_type) {
328 case DRM_MODE_CONNECTOR_TV:
329 break;
330 case DRM_MODE_CONNECTOR_VGA:
331 if (disp->disp.object.oclass < NV50_DISP)
332 break; /* Can only scale on DFPs. */
333 fallthrough;
334 default:
335 drm_object_attach_property(&connector->base, dev->mode_config.
336 scaling_mode_property,
337 armc->scaler.mode);
338 break;
339 }
340
341 /* Dithering properties. */
342 switch (connector->connector_type) {
343 case DRM_MODE_CONNECTOR_TV:
344 case DRM_MODE_CONNECTOR_VGA:
345 break;
346 default:
347 if (disp->dithering_mode) {
348 drm_object_attach_property(&connector->base,
349 disp->dithering_mode,
350 armc->dither.mode);
351 }
352 if (disp->dithering_depth) {
353 drm_object_attach_property(&connector->base,
354 disp->dithering_depth,
355 armc->dither.depth);
356 }
357 break;
358 }
359}
360
361MODULE_PARM_DESC(tv_disable, "Disable TV-out detection");
362int nouveau_tv_disable = 0;
363module_param_named(tv_disable, nouveau_tv_disable, int, 0400);
364
365MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status");
366int nouveau_ignorelid = 0;
367module_param_named(ignorelid, nouveau_ignorelid, int, 0400);
368
369MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (default: enabled)");
370int nouveau_duallink = 1;
371module_param_named(duallink, nouveau_duallink, int, 0400);
372
373MODULE_PARM_DESC(hdmimhz, "Force a maximum HDMI pixel clock (in MHz)");
374int nouveau_hdmimhz = 0;
375module_param_named(hdmimhz, nouveau_hdmimhz, int, 0400);
376
377struct nouveau_encoder *
378find_encoder(struct drm_connector *connector, int type)
379{
380 struct nouveau_encoder *nv_encoder;
381 struct drm_encoder *enc;
382
383 drm_connector_for_each_possible_encoder(connector, enc) {
384 nv_encoder = nouveau_encoder(enc);
385
386 if (type == DCB_OUTPUT_ANY ||
387 (nv_encoder->dcb && nv_encoder->dcb->type == type))
388 return nv_encoder;
389 }
390
391 return NULL;
392}
393
394struct nouveau_connector *
395nouveau_encoder_connector_get(struct nouveau_encoder *encoder)
396{
397 struct drm_device *dev = to_drm_encoder(encoder)->dev;
398 struct drm_connector *drm_connector;
399
400 list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) {
401 if (drm_connector->encoder == to_drm_encoder(encoder))
402 return nouveau_connector(drm_connector);
403 }
404
405 return NULL;
406}
407
408static void
409nouveau_connector_destroy(struct drm_connector *connector)
410{
411 struct nouveau_connector *nv_connector = nouveau_connector(connector);
412 nvif_notify_dtor(&nv_connector->hpd);
413 kfree(nv_connector->edid);
414 drm_connector_unregister(connector);
415 drm_connector_cleanup(connector);
416 if (nv_connector->aux.transfer) {
417 drm_dp_cec_unregister_connector(&nv_connector->aux);
418 drm_dp_aux_unregister(&nv_connector->aux);
419 kfree(nv_connector->aux.name);
420 }
421 kfree(connector);
422}
423
424static struct nouveau_encoder *
425nouveau_connector_ddc_detect(struct drm_connector *connector)
426{
427 struct drm_device *dev = connector->dev;
428 struct nouveau_encoder *nv_encoder = NULL, *found = NULL;
429 struct drm_encoder *encoder;
430 int ret;
431 bool switcheroo_ddc = false;
432
433 drm_connector_for_each_possible_encoder(connector, encoder) {
434 nv_encoder = nouveau_encoder(encoder);
435
436 switch (nv_encoder->dcb->type) {
437 case DCB_OUTPUT_DP:
438 ret = nouveau_dp_detect(nv_encoder);
439 if (ret == NOUVEAU_DP_MST)
440 return NULL;
441 else if (ret == NOUVEAU_DP_SST)
442 found = nv_encoder;
443
444 break;
445 case DCB_OUTPUT_LVDS:
446 switcheroo_ddc = !!(vga_switcheroo_handler_flags() &
447 VGA_SWITCHEROO_CAN_SWITCH_DDC);
448 fallthrough;
449 default:
450 if (!nv_encoder->i2c)
451 break;
452
453 if (switcheroo_ddc)
454 vga_switcheroo_lock_ddc(dev->pdev);
455 if (nvkm_probe_i2c(nv_encoder->i2c, 0x50))
456 found = nv_encoder;
457 if (switcheroo_ddc)
458 vga_switcheroo_unlock_ddc(dev->pdev);
459
460 break;
461 }
462 if (found)
463 break;
464 }
465
466 return found;
467}
468
469static struct nouveau_encoder *
470nouveau_connector_of_detect(struct drm_connector *connector)
471{
472#ifdef __powerpc__
473 struct drm_device *dev = connector->dev;
474 struct nouveau_connector *nv_connector = nouveau_connector(connector);
475 struct nouveau_encoder *nv_encoder;
476 struct device_node *cn, *dn = pci_device_to_OF_node(dev->pdev);
477
478 if (!dn ||
479 !((nv_encoder = find_encoder(connector, DCB_OUTPUT_TMDS)) ||
480 (nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG))))
481 return NULL;
482
483 for_each_child_of_node(dn, cn) {
484 const char *name = of_get_property(cn, "name", NULL);
485 const void *edid = of_get_property(cn, "EDID", NULL);
486 int idx = name ? name[strlen(name) - 1] - 'A' : 0;
487
488 if (nv_encoder->dcb->i2c_index == idx && edid) {
489 nv_connector->edid =
490 kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
491 of_node_put(cn);
492 return nv_encoder;
493 }
494 }
495#endif
496 return NULL;
497}
498
499static void
500nouveau_connector_set_encoder(struct drm_connector *connector,
501 struct nouveau_encoder *nv_encoder)
502{
503 struct nouveau_connector *nv_connector = nouveau_connector(connector);
504 struct nouveau_drm *drm = nouveau_drm(connector->dev);
505 struct drm_device *dev = connector->dev;
506
507 if (nv_connector->detected_encoder == nv_encoder)
508 return;
509 nv_connector->detected_encoder = nv_encoder;
510
511 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
512 if (nv_encoder->dcb->type == DCB_OUTPUT_DP)
513 connector->interlace_allowed =
514 nv_encoder->caps.dp_interlace;
515 else
516 connector->interlace_allowed = true;
517 connector->doublescan_allowed = true;
518 } else
519 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS ||
520 nv_encoder->dcb->type == DCB_OUTPUT_TMDS) {
521 connector->doublescan_allowed = false;
522 connector->interlace_allowed = false;
523 } else {
524 connector->doublescan_allowed = true;
525 if (drm->client.device.info.family == NV_DEVICE_INFO_V0_KELVIN ||
526 (drm->client.device.info.family == NV_DEVICE_INFO_V0_CELSIUS &&
527 (dev->pdev->device & 0x0ff0) != 0x0100 &&
528 (dev->pdev->device & 0x0ff0) != 0x0150))
529 /* HW is broken */
530 connector->interlace_allowed = false;
531 else
532 connector->interlace_allowed = true;
533 }
534
535 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
536 drm_object_property_set_value(&connector->base,
537 dev->mode_config.dvi_i_subconnector_property,
538 nv_encoder->dcb->type == DCB_OUTPUT_TMDS ?
539 DRM_MODE_SUBCONNECTOR_DVID :
540 DRM_MODE_SUBCONNECTOR_DVIA);
541 }
542}
543
544static enum drm_connector_status
545nouveau_connector_detect(struct drm_connector *connector, bool force)
546{
547 struct drm_device *dev = connector->dev;
548 struct nouveau_drm *drm = nouveau_drm(dev);
549 struct nouveau_connector *nv_connector = nouveau_connector(connector);
550 struct nouveau_encoder *nv_encoder = NULL;
551 struct nouveau_encoder *nv_partner;
552 struct i2c_adapter *i2c;
553 int type;
554 int ret;
555 enum drm_connector_status conn_status = connector_status_disconnected;
556
557 /* Cleanup the previous EDID block. */
558 if (nv_connector->edid) {
559 drm_connector_update_edid_property(connector, NULL);
560 kfree(nv_connector->edid);
561 nv_connector->edid = NULL;
562 }
563
564 /* Outputs are only polled while runtime active, so resuming the
565 * device here is unnecessary (and would deadlock upon runtime suspend
566 * because it waits for polling to finish). We do however, want to
567 * prevent the autosuspend timer from elapsing during this operation
568 * if possible.
569 */
570 if (drm_kms_helper_is_poll_worker()) {
571 pm_runtime_get_noresume(dev->dev);
572 } else {
573 ret = pm_runtime_get_sync(dev->dev);
574 if (ret < 0 && ret != -EACCES) {
575 pm_runtime_put_autosuspend(dev->dev);
576 return conn_status;
577 }
578 }
579
580 nv_encoder = nouveau_connector_ddc_detect(connector);
581 if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) {
582 if ((vga_switcheroo_handler_flags() &
583 VGA_SWITCHEROO_CAN_SWITCH_DDC) &&
584 nv_connector->type == DCB_CONNECTOR_LVDS)
585 nv_connector->edid = drm_get_edid_switcheroo(connector,
586 i2c);
587 else
588 nv_connector->edid = drm_get_edid(connector, i2c);
589
590 drm_connector_update_edid_property(connector,
591 nv_connector->edid);
592 if (!nv_connector->edid) {
593 NV_ERROR(drm, "DDC responded, but no EDID for %s\n",
594 connector->name);
595 goto detect_analog;
596 }
597
598 /* Override encoder type for DVI-I based on whether EDID
599 * says the display is digital or analog, both use the
600 * same i2c channel so the value returned from ddc_detect
601 * isn't necessarily correct.
602 */
603 nv_partner = NULL;
604 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS)
605 nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG);
606 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG)
607 nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS);
608
609 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG &&
610 nv_partner->dcb->type == DCB_OUTPUT_TMDS) ||
611 (nv_encoder->dcb->type == DCB_OUTPUT_TMDS &&
612 nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) {
613 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL)
614 type = DCB_OUTPUT_TMDS;
615 else
616 type = DCB_OUTPUT_ANALOG;
617
618 nv_encoder = find_encoder(connector, type);
619 }
620
621 nouveau_connector_set_encoder(connector, nv_encoder);
622 conn_status = connector_status_connected;
623 drm_dp_cec_set_edid(&nv_connector->aux, nv_connector->edid);
624 goto out;
625 }
626
627 nv_encoder = nouveau_connector_of_detect(connector);
628 if (nv_encoder) {
629 nouveau_connector_set_encoder(connector, nv_encoder);
630 conn_status = connector_status_connected;
631 goto out;
632 }
633
634detect_analog:
635 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG);
636 if (!nv_encoder && !nouveau_tv_disable)
637 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV);
638 if (nv_encoder && force) {
639 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
640 const struct drm_encoder_helper_funcs *helper =
641 encoder->helper_private;
642
643 if (helper->detect(encoder, connector) ==
644 connector_status_connected) {
645 nouveau_connector_set_encoder(connector, nv_encoder);
646 conn_status = connector_status_connected;
647 goto out;
648 }
649
650 }
651
652 out:
653
654 pm_runtime_mark_last_busy(dev->dev);
655 pm_runtime_put_autosuspend(dev->dev);
656
657 return conn_status;
658}
659
660static enum drm_connector_status
661nouveau_connector_detect_lvds(struct drm_connector *connector, bool force)
662{
663 struct drm_device *dev = connector->dev;
664 struct nouveau_drm *drm = nouveau_drm(dev);
665 struct nouveau_connector *nv_connector = nouveau_connector(connector);
666 struct nouveau_encoder *nv_encoder = NULL;
667 enum drm_connector_status status = connector_status_disconnected;
668
669 /* Cleanup the previous EDID block. */
670 if (nv_connector->edid) {
671 drm_connector_update_edid_property(connector, NULL);
672 kfree(nv_connector->edid);
673 nv_connector->edid = NULL;
674 }
675
676 nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS);
677 if (!nv_encoder)
678 return connector_status_disconnected;
679
680 /* Try retrieving EDID via DDC */
681 if (!drm->vbios.fp_no_ddc) {
682 status = nouveau_connector_detect(connector, force);
683 if (status == connector_status_connected)
684 goto out;
685 }
686
687 /* On some laptops (Sony, i'm looking at you) there appears to
688 * be no direct way of accessing the panel's EDID. The only
689 * option available to us appears to be to ask ACPI for help..
690 *
691 * It's important this check's before trying straps, one of the
692 * said manufacturer's laptops are configured in such a way
693 * the nouveau decides an entry in the VBIOS FP mode table is
694 * valid - it's not (rh#613284)
695 */
696 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) {
697 if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) {
698 status = connector_status_connected;
699 goto out;
700 }
701 }
702
703 /* If no EDID found above, and the VBIOS indicates a hardcoded
704 * modeline is avalilable for the panel, set it as the panel's
705 * native mode and exit.
706 */
707 if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc ||
708 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) {
709 status = connector_status_connected;
710 goto out;
711 }
712
713 /* Still nothing, some VBIOS images have a hardcoded EDID block
714 * stored for the panel stored in them.
715 */
716 if (!drm->vbios.fp_no_ddc) {
717 struct edid *edid =
718 (struct edid *)nouveau_bios_embedded_edid(dev);
719 if (edid) {
720 nv_connector->edid =
721 kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
722 if (nv_connector->edid)
723 status = connector_status_connected;
724 }
725 }
726
727out:
728#if defined(CONFIG_ACPI_BUTTON) || \
729 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE))
730 if (status == connector_status_connected &&
731 !nouveau_ignorelid && !acpi_lid_open())
732 status = connector_status_unknown;
733#endif
734
735 drm_connector_update_edid_property(connector, nv_connector->edid);
736 nouveau_connector_set_encoder(connector, nv_encoder);
737 return status;
738}
739
740static void
741nouveau_connector_force(struct drm_connector *connector)
742{
743 struct nouveau_drm *drm = nouveau_drm(connector->dev);
744 struct nouveau_connector *nv_connector = nouveau_connector(connector);
745 struct nouveau_encoder *nv_encoder;
746 int type;
747
748 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
749 if (connector->force == DRM_FORCE_ON_DIGITAL)
750 type = DCB_OUTPUT_TMDS;
751 else
752 type = DCB_OUTPUT_ANALOG;
753 } else
754 type = DCB_OUTPUT_ANY;
755
756 nv_encoder = find_encoder(connector, type);
757 if (!nv_encoder) {
758 NV_ERROR(drm, "can't find encoder to force %s on!\n",
759 connector->name);
760 connector->status = connector_status_disconnected;
761 return;
762 }
763
764 nouveau_connector_set_encoder(connector, nv_encoder);
765}
766
767static int
768nouveau_connector_set_property(struct drm_connector *connector,
769 struct drm_property *property, uint64_t value)
770{
771 struct nouveau_connector *nv_connector = nouveau_connector(connector);
772 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
773 struct nouveau_conn_atom *asyc = &nv_connector->properties_state;
774 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
775 int ret;
776
777 ret = connector->funcs->atomic_set_property(&nv_connector->base,
778 &asyc->state,
779 property, value);
780 if (ret) {
781 if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV)
782 return get_slave_funcs(encoder)->set_property(
783 encoder, connector, property, value);
784 return ret;
785 }
786
787 nv_connector->scaling_mode = asyc->scaler.mode;
788 nv_connector->dithering_mode = asyc->dither.mode;
789
790 if (connector->encoder && connector->encoder->crtc) {
791 ret = drm_crtc_helper_set_mode(connector->encoder->crtc,
792 &connector->encoder->crtc->mode,
793 connector->encoder->crtc->x,
794 connector->encoder->crtc->y,
795 NULL);
796 if (!ret)
797 return -EINVAL;
798 }
799
800 return 0;
801}
802
803struct moderec {
804 int hdisplay;
805 int vdisplay;
806};
807
808static struct moderec scaler_modes[] = {
809 { 1920, 1200 },
810 { 1920, 1080 },
811 { 1680, 1050 },
812 { 1600, 1200 },
813 { 1400, 1050 },
814 { 1280, 1024 },
815 { 1280, 960 },
816 { 1152, 864 },
817 { 1024, 768 },
818 { 800, 600 },
819 { 720, 400 },
820 { 640, 480 },
821 { 640, 400 },
822 { 640, 350 },
823 {}
824};
825
826static int
827nouveau_connector_scaler_modes_add(struct drm_connector *connector)
828{
829 struct nouveau_connector *nv_connector = nouveau_connector(connector);
830 struct drm_display_mode *native = nv_connector->native_mode, *m;
831 struct drm_device *dev = connector->dev;
832 struct moderec *mode = &scaler_modes[0];
833 int modes = 0;
834
835 if (!native)
836 return 0;
837
838 while (mode->hdisplay) {
839 if (mode->hdisplay <= native->hdisplay &&
840 mode->vdisplay <= native->vdisplay &&
841 (mode->hdisplay != native->hdisplay ||
842 mode->vdisplay != native->vdisplay)) {
843 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay,
844 drm_mode_vrefresh(native), false,
845 false, false);
846 if (!m)
847 continue;
848
849 drm_mode_probed_add(connector, m);
850 modes++;
851 }
852
853 mode++;
854 }
855
856 return modes;
857}
858
859static void
860nouveau_connector_detect_depth(struct drm_connector *connector)
861{
862 struct nouveau_drm *drm = nouveau_drm(connector->dev);
863 struct nouveau_connector *nv_connector = nouveau_connector(connector);
864 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
865 struct nvbios *bios = &drm->vbios;
866 struct drm_display_mode *mode = nv_connector->native_mode;
867 bool duallink;
868
869 /* if the edid is feeling nice enough to provide this info, use it */
870 if (nv_connector->edid && connector->display_info.bpc)
871 return;
872
873 /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */
874 if (nv_connector->type == DCB_CONNECTOR_eDP) {
875 connector->display_info.bpc = 6;
876 return;
877 }
878
879 /* we're out of options unless we're LVDS, default to 8bpc */
880 if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) {
881 connector->display_info.bpc = 8;
882 return;
883 }
884
885 connector->display_info.bpc = 6;
886
887 /* LVDS: panel straps */
888 if (bios->fp_no_ddc) {
889 if (bios->fp.if_is_24bit)
890 connector->display_info.bpc = 8;
891 return;
892 }
893
894 /* LVDS: DDC panel, need to first determine the number of links to
895 * know which if_is_24bit flag to check...
896 */
897 if (nv_connector->edid &&
898 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG)
899 duallink = ((u8 *)nv_connector->edid)[121] == 2;
900 else
901 duallink = mode->clock >= bios->fp.duallink_transition_clk;
902
903 if ((!duallink && (bios->fp.strapless_is_24bit & 1)) ||
904 ( duallink && (bios->fp.strapless_is_24bit & 2)))
905 connector->display_info.bpc = 8;
906}
907
908static int
909nouveau_connector_late_register(struct drm_connector *connector)
910{
911 int ret;
912
913 ret = nouveau_backlight_init(connector);
914
915 return ret;
916}
917
918static void
919nouveau_connector_early_unregister(struct drm_connector *connector)
920{
921 nouveau_backlight_fini(connector);
922}
923
924static int
925nouveau_connector_get_modes(struct drm_connector *connector)
926{
927 struct drm_device *dev = connector->dev;
928 struct nouveau_drm *drm = nouveau_drm(dev);
929 struct nouveau_connector *nv_connector = nouveau_connector(connector);
930 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
931 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
932 int ret = 0;
933
934 /* destroy the native mode, the attached monitor could have changed.
935 */
936 if (nv_connector->native_mode) {
937 drm_mode_destroy(dev, nv_connector->native_mode);
938 nv_connector->native_mode = NULL;
939 }
940
941 if (nv_connector->edid)
942 ret = drm_add_edid_modes(connector, nv_connector->edid);
943 else
944 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS &&
945 (nv_encoder->dcb->lvdsconf.use_straps_for_mode ||
946 drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) {
947 struct drm_display_mode mode;
948
949 nouveau_bios_fp_mode(dev, &mode);
950 nv_connector->native_mode = drm_mode_duplicate(dev, &mode);
951 }
952
953 /* Determine display colour depth for everything except LVDS now,
954 * DP requires this before mode_valid() is called.
955 */
956 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS)
957 nouveau_connector_detect_depth(connector);
958
959 /* Find the native mode if this is a digital panel, if we didn't
960 * find any modes through DDC previously add the native mode to
961 * the list of modes.
962 */
963 if (!nv_connector->native_mode)
964 nv_connector->native_mode = nouveau_conn_native_mode(connector);
965 if (ret == 0 && nv_connector->native_mode) {
966 struct drm_display_mode *mode;
967
968 mode = drm_mode_duplicate(dev, nv_connector->native_mode);
969 drm_mode_probed_add(connector, mode);
970 ret = 1;
971 }
972
973 /* Determine LVDS colour depth, must happen after determining
974 * "native" mode as some VBIOS tables require us to use the
975 * pixel clock as part of the lookup...
976 */
977 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
978 nouveau_connector_detect_depth(connector);
979
980 if (nv_encoder->dcb->type == DCB_OUTPUT_TV)
981 ret = get_slave_funcs(encoder)->get_modes(encoder, connector);
982
983 if (nv_connector->type == DCB_CONNECTOR_LVDS ||
984 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG ||
985 nv_connector->type == DCB_CONNECTOR_eDP)
986 ret += nouveau_connector_scaler_modes_add(connector);
987
988 return ret;
989}
990
991static unsigned
992get_tmds_link_bandwidth(struct drm_connector *connector)
993{
994 struct nouveau_connector *nv_connector = nouveau_connector(connector);
995 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
996 struct nouveau_drm *drm = nouveau_drm(connector->dev);
997 struct dcb_output *dcb = nv_connector->detected_encoder->dcb;
998 struct drm_display_info *info = NULL;
999 unsigned duallink_scale =
1000 nouveau_duallink && nv_encoder->dcb->duallink_possible ? 2 : 1;
1001
1002 if (drm_detect_hdmi_monitor(nv_connector->edid)) {
1003 info = &nv_connector->base.display_info;
1004 duallink_scale = 1;
1005 }
1006
1007 if (info) {
1008 if (nouveau_hdmimhz > 0)
1009 return nouveau_hdmimhz * 1000;
1010 /* Note: these limits are conservative, some Fermi's
1011 * can do 297 MHz. Unclear how this can be determined.
1012 */
1013 if (drm->client.device.info.chipset >= 0x120) {
1014 const int max_tmds_clock =
1015 info->hdmi.scdc.scrambling.supported ?
1016 594000 : 340000;
1017 return info->max_tmds_clock ?
1018 min(info->max_tmds_clock, max_tmds_clock) :
1019 max_tmds_clock;
1020 }
1021 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_KEPLER)
1022 return 297000;
1023 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_FERMI)
1024 return 225000;
1025 }
1026
1027 if (dcb->location != DCB_LOC_ON_CHIP ||
1028 drm->client.device.info.chipset >= 0x46)
1029 return 165000 * duallink_scale;
1030 else if (drm->client.device.info.chipset >= 0x40)
1031 return 155000 * duallink_scale;
1032 else if (drm->client.device.info.chipset >= 0x18)
1033 return 135000 * duallink_scale;
1034 else
1035 return 112000 * duallink_scale;
1036}
1037
1038enum drm_mode_status
1039nouveau_conn_mode_clock_valid(const struct drm_display_mode *mode,
1040 const unsigned min_clock,
1041 const unsigned max_clock,
1042 unsigned int *clock_out)
1043{
1044 unsigned int clock = mode->clock;
1045
1046 if ((mode->flags & DRM_MODE_FLAG_3D_MASK) ==
1047 DRM_MODE_FLAG_3D_FRAME_PACKING)
1048 clock *= 2;
1049
1050 if (clock < min_clock)
1051 return MODE_CLOCK_LOW;
1052 if (clock > max_clock)
1053 return MODE_CLOCK_HIGH;
1054
1055 if (clock_out)
1056 *clock_out = clock;
1057
1058 return MODE_OK;
1059}
1060
1061static enum drm_mode_status
1062nouveau_connector_mode_valid(struct drm_connector *connector,
1063 struct drm_display_mode *mode)
1064{
1065 struct nouveau_connector *nv_connector = nouveau_connector(connector);
1066 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
1067 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
1068 unsigned min_clock = 25000, max_clock = min_clock;
1069
1070 switch (nv_encoder->dcb->type) {
1071 case DCB_OUTPUT_LVDS:
1072 if (nv_connector->native_mode &&
1073 (mode->hdisplay > nv_connector->native_mode->hdisplay ||
1074 mode->vdisplay > nv_connector->native_mode->vdisplay))
1075 return MODE_PANEL;
1076
1077 min_clock = 0;
1078 max_clock = 400000;
1079 break;
1080 case DCB_OUTPUT_TMDS:
1081 max_clock = get_tmds_link_bandwidth(connector);
1082 break;
1083 case DCB_OUTPUT_ANALOG:
1084 max_clock = nv_encoder->dcb->crtconf.maxfreq;
1085 if (!max_clock)
1086 max_clock = 350000;
1087 break;
1088 case DCB_OUTPUT_TV:
1089 return get_slave_funcs(encoder)->mode_valid(encoder, mode);
1090 case DCB_OUTPUT_DP:
1091 return nv50_dp_mode_valid(connector, nv_encoder, mode, NULL);
1092 default:
1093 BUG();
1094 return MODE_BAD;
1095 }
1096
1097 return nouveau_conn_mode_clock_valid(mode, min_clock, max_clock,
1098 NULL);
1099}
1100
1101static struct drm_encoder *
1102nouveau_connector_best_encoder(struct drm_connector *connector)
1103{
1104 struct nouveau_connector *nv_connector = nouveau_connector(connector);
1105
1106 if (nv_connector->detected_encoder)
1107 return to_drm_encoder(nv_connector->detected_encoder);
1108
1109 return NULL;
1110}
1111
1112static const struct drm_connector_helper_funcs
1113nouveau_connector_helper_funcs = {
1114 .get_modes = nouveau_connector_get_modes,
1115 .mode_valid = nouveau_connector_mode_valid,
1116 .best_encoder = nouveau_connector_best_encoder,
1117};
1118
1119static const struct drm_connector_funcs
1120nouveau_connector_funcs = {
1121 .dpms = drm_helper_connector_dpms,
1122 .reset = nouveau_conn_reset,
1123 .detect = nouveau_connector_detect,
1124 .force = nouveau_connector_force,
1125 .fill_modes = drm_helper_probe_single_connector_modes,
1126 .set_property = nouveau_connector_set_property,
1127 .destroy = nouveau_connector_destroy,
1128 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state,
1129 .atomic_destroy_state = nouveau_conn_atomic_destroy_state,
1130 .atomic_set_property = nouveau_conn_atomic_set_property,
1131 .atomic_get_property = nouveau_conn_atomic_get_property,
1132 .late_register = nouveau_connector_late_register,
1133 .early_unregister = nouveau_connector_early_unregister,
1134};
1135
1136static const struct drm_connector_funcs
1137nouveau_connector_funcs_lvds = {
1138 .dpms = drm_helper_connector_dpms,
1139 .reset = nouveau_conn_reset,
1140 .detect = nouveau_connector_detect_lvds,
1141 .force = nouveau_connector_force,
1142 .fill_modes = drm_helper_probe_single_connector_modes,
1143 .set_property = nouveau_connector_set_property,
1144 .destroy = nouveau_connector_destroy,
1145 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state,
1146 .atomic_destroy_state = nouveau_conn_atomic_destroy_state,
1147 .atomic_set_property = nouveau_conn_atomic_set_property,
1148 .atomic_get_property = nouveau_conn_atomic_get_property,
1149 .late_register = nouveau_connector_late_register,
1150 .early_unregister = nouveau_connector_early_unregister,
1151};
1152
1153static int
1154nouveau_connector_hotplug(struct nvif_notify *notify)
1155{
1156 struct nouveau_connector *nv_connector =
1157 container_of(notify, typeof(*nv_connector), hpd);
1158 struct drm_connector *connector = &nv_connector->base;
1159 struct nouveau_drm *drm = nouveau_drm(connector->dev);
1160 const struct nvif_notify_conn_rep_v0 *rep = notify->data;
1161 const char *name = connector->name;
1162 struct nouveau_encoder *nv_encoder;
1163 int ret;
1164 bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG);
1165
1166 if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) {
1167 NV_DEBUG(drm, "service %s\n", name);
1168 drm_dp_cec_irq(&nv_connector->aux);
1169 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP)))
1170 nv50_mstm_service(nv_encoder->dp.mstm);
1171
1172 return NVIF_NOTIFY_KEEP;
1173 }
1174
1175 ret = pm_runtime_get(drm->dev->dev);
1176 if (ret == 0) {
1177 /* We can't block here if there's a pending PM request
1178 * running, as we'll deadlock nouveau_display_fini() when it
1179 * calls nvif_put() on our nvif_notify struct. So, simply
1180 * defer the hotplug event until the device finishes resuming
1181 */
1182 NV_DEBUG(drm, "Deferring HPD on %s until runtime resume\n",
1183 name);
1184 schedule_work(&drm->hpd_work);
1185
1186 pm_runtime_put_noidle(drm->dev->dev);
1187 return NVIF_NOTIFY_KEEP;
1188 } else if (ret != 1 && ret != -EACCES) {
1189 NV_WARN(drm, "HPD on %s dropped due to RPM failure: %d\n",
1190 name, ret);
1191 return NVIF_NOTIFY_DROP;
1192 }
1193
1194 if (!plugged)
1195 drm_dp_cec_unset_edid(&nv_connector->aux);
1196 NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name);
1197 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP))) {
1198 if (!plugged)
1199 nv50_mstm_remove(nv_encoder->dp.mstm);
1200 }
1201
1202 drm_helper_hpd_irq_event(connector->dev);
1203
1204 pm_runtime_mark_last_busy(drm->dev->dev);
1205 pm_runtime_put_autosuspend(drm->dev->dev);
1206 return NVIF_NOTIFY_KEEP;
1207}
1208
1209static ssize_t
1210nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg)
1211{
1212 struct nouveau_connector *nv_connector =
1213 container_of(obj, typeof(*nv_connector), aux);
1214 struct nouveau_encoder *nv_encoder;
1215 struct nvkm_i2c_aux *aux;
1216 u8 size = msg->size;
1217 int ret;
1218
1219 nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP);
1220 if (!nv_encoder || !(aux = nv_encoder->aux))
1221 return -ENODEV;
1222 if (WARN_ON(msg->size > 16))
1223 return -E2BIG;
1224
1225 ret = nvkm_i2c_aux_acquire(aux);
1226 if (ret)
1227 return ret;
1228
1229 ret = nvkm_i2c_aux_xfer(aux, false, msg->request, msg->address,
1230 msg->buffer, &size);
1231 nvkm_i2c_aux_release(aux);
1232 if (ret >= 0) {
1233 msg->reply = ret;
1234 return size;
1235 }
1236
1237 return ret;
1238}
1239
1240static int
1241drm_conntype_from_dcb(enum dcb_connector_type dcb)
1242{
1243 switch (dcb) {
1244 case DCB_CONNECTOR_VGA : return DRM_MODE_CONNECTOR_VGA;
1245 case DCB_CONNECTOR_TV_0 :
1246 case DCB_CONNECTOR_TV_1 :
1247 case DCB_CONNECTOR_TV_3 : return DRM_MODE_CONNECTOR_TV;
1248 case DCB_CONNECTOR_DMS59_0 :
1249 case DCB_CONNECTOR_DMS59_1 :
1250 case DCB_CONNECTOR_DVI_I : return DRM_MODE_CONNECTOR_DVII;
1251 case DCB_CONNECTOR_DVI_D : return DRM_MODE_CONNECTOR_DVID;
1252 case DCB_CONNECTOR_LVDS :
1253 case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS;
1254 case DCB_CONNECTOR_DMS59_DP0:
1255 case DCB_CONNECTOR_DMS59_DP1:
1256 case DCB_CONNECTOR_DP :
1257 case DCB_CONNECTOR_USB_C : return DRM_MODE_CONNECTOR_DisplayPort;
1258 case DCB_CONNECTOR_eDP : return DRM_MODE_CONNECTOR_eDP;
1259 case DCB_CONNECTOR_HDMI_0 :
1260 case DCB_CONNECTOR_HDMI_1 :
1261 case DCB_CONNECTOR_HDMI_C : return DRM_MODE_CONNECTOR_HDMIA;
1262 case DCB_CONNECTOR_WFD : return DRM_MODE_CONNECTOR_VIRTUAL;
1263 default:
1264 break;
1265 }
1266
1267 return DRM_MODE_CONNECTOR_Unknown;
1268}
1269
1270struct drm_connector *
1271nouveau_connector_create(struct drm_device *dev,
1272 const struct dcb_output *dcbe)
1273{
1274 const struct drm_connector_funcs *funcs = &nouveau_connector_funcs;
1275 struct nouveau_drm *drm = nouveau_drm(dev);
1276 struct nouveau_display *disp = nouveau_display(dev);
1277 struct nouveau_connector *nv_connector = NULL;
1278 struct drm_connector *connector;
1279 struct drm_connector_list_iter conn_iter;
1280 char aux_name[48] = {0};
1281 int index = dcbe->connector;
1282 int type, ret = 0;
1283 bool dummy;
1284
1285 drm_connector_list_iter_begin(dev, &conn_iter);
1286 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
1287 nv_connector = nouveau_connector(connector);
1288 if (nv_connector->index == index) {
1289 drm_connector_list_iter_end(&conn_iter);
1290 return connector;
1291 }
1292 }
1293 drm_connector_list_iter_end(&conn_iter);
1294
1295 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL);
1296 if (!nv_connector)
1297 return ERR_PTR(-ENOMEM);
1298
1299 connector = &nv_connector->base;
1300 nv_connector->index = index;
1301
1302 /* attempt to parse vbios connector type and hotplug gpio */
1303 nv_connector->dcb = olddcb_conn(dev, index);
1304 if (nv_connector->dcb) {
1305 u32 entry = ROM16(nv_connector->dcb[0]);
1306 if (olddcb_conntab(dev)[3] >= 4)
1307 entry |= (u32)ROM16(nv_connector->dcb[2]) << 16;
1308
1309 nv_connector->type = nv_connector->dcb[0];
1310 if (drm_conntype_from_dcb(nv_connector->type) ==
1311 DRM_MODE_CONNECTOR_Unknown) {
1312 NV_WARN(drm, "unknown connector type %02x\n",
1313 nv_connector->type);
1314 nv_connector->type = DCB_CONNECTOR_NONE;
1315 }
1316
1317 /* Gigabyte NX85T */
1318 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) {
1319 if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1320 nv_connector->type = DCB_CONNECTOR_DVI_I;
1321 }
1322
1323 /* Gigabyte GV-NX86T512H */
1324 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) {
1325 if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1326 nv_connector->type = DCB_CONNECTOR_DVI_I;
1327 }
1328 } else {
1329 nv_connector->type = DCB_CONNECTOR_NONE;
1330 }
1331
1332 /* no vbios data, or an unknown dcb connector type - attempt to
1333 * figure out something suitable ourselves
1334 */
1335 if (nv_connector->type == DCB_CONNECTOR_NONE) {
1336 struct nouveau_drm *drm = nouveau_drm(dev);
1337 struct dcb_table *dcbt = &drm->vbios.dcb;
1338 u32 encoders = 0;
1339 int i;
1340
1341 for (i = 0; i < dcbt->entries; i++) {
1342 if (dcbt->entry[i].connector == nv_connector->index)
1343 encoders |= (1 << dcbt->entry[i].type);
1344 }
1345
1346 if (encoders & (1 << DCB_OUTPUT_DP)) {
1347 if (encoders & (1 << DCB_OUTPUT_TMDS))
1348 nv_connector->type = DCB_CONNECTOR_DP;
1349 else
1350 nv_connector->type = DCB_CONNECTOR_eDP;
1351 } else
1352 if (encoders & (1 << DCB_OUTPUT_TMDS)) {
1353 if (encoders & (1 << DCB_OUTPUT_ANALOG))
1354 nv_connector->type = DCB_CONNECTOR_DVI_I;
1355 else
1356 nv_connector->type = DCB_CONNECTOR_DVI_D;
1357 } else
1358 if (encoders & (1 << DCB_OUTPUT_ANALOG)) {
1359 nv_connector->type = DCB_CONNECTOR_VGA;
1360 } else
1361 if (encoders & (1 << DCB_OUTPUT_LVDS)) {
1362 nv_connector->type = DCB_CONNECTOR_LVDS;
1363 } else
1364 if (encoders & (1 << DCB_OUTPUT_TV)) {
1365 nv_connector->type = DCB_CONNECTOR_TV_0;
1366 }
1367 }
1368
1369 switch ((type = drm_conntype_from_dcb(nv_connector->type))) {
1370 case DRM_MODE_CONNECTOR_LVDS:
1371 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy);
1372 if (ret) {
1373 NV_ERROR(drm, "Error parsing LVDS table, disabling\n");
1374 kfree(nv_connector);
1375 return ERR_PTR(ret);
1376 }
1377
1378 funcs = &nouveau_connector_funcs_lvds;
1379 break;
1380 case DRM_MODE_CONNECTOR_DisplayPort:
1381 case DRM_MODE_CONNECTOR_eDP:
1382 nv_connector->aux.dev = connector->kdev;
1383 nv_connector->aux.transfer = nouveau_connector_aux_xfer;
1384 snprintf(aux_name, sizeof(aux_name), "sor-%04x-%04x",
1385 dcbe->hasht, dcbe->hashm);
1386 nv_connector->aux.name = kstrdup(aux_name, GFP_KERNEL);
1387 ret = drm_dp_aux_register(&nv_connector->aux);
1388 if (ret) {
1389 NV_ERROR(drm, "failed to register aux channel\n");
1390 kfree(nv_connector);
1391 return ERR_PTR(ret);
1392 }
1393 funcs = &nouveau_connector_funcs;
1394 break;
1395 default:
1396 funcs = &nouveau_connector_funcs;
1397 break;
1398 }
1399
1400 /* HDMI 3D support */
1401 if ((disp->disp.object.oclass >= G82_DISP)
1402 && ((type == DRM_MODE_CONNECTOR_DisplayPort)
1403 || (type == DRM_MODE_CONNECTOR_eDP)
1404 || (type == DRM_MODE_CONNECTOR_HDMIA)))
1405 connector->stereo_allowed = true;
1406
1407 /* defaults, will get overridden in detect() */
1408 connector->interlace_allowed = false;
1409 connector->doublescan_allowed = false;
1410
1411 drm_connector_init(dev, connector, funcs, type);
1412 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs);
1413
1414 connector->funcs->reset(connector);
1415 nouveau_conn_attach_properties(connector);
1416
1417 /* Default scaling mode */
1418 switch (nv_connector->type) {
1419 case DCB_CONNECTOR_LVDS:
1420 case DCB_CONNECTOR_LVDS_SPWG:
1421 case DCB_CONNECTOR_eDP:
1422 /* see note in nouveau_connector_set_property() */
1423 if (disp->disp.object.oclass < NV50_DISP) {
1424 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
1425 break;
1426 }
1427 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1428 break;
1429 default:
1430 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1431 break;
1432 }
1433
1434 /* dithering properties */
1435 switch (nv_connector->type) {
1436 case DCB_CONNECTOR_TV_0:
1437 case DCB_CONNECTOR_TV_1:
1438 case DCB_CONNECTOR_TV_3:
1439 case DCB_CONNECTOR_VGA:
1440 break;
1441 default:
1442 nv_connector->dithering_mode = DITHERING_MODE_AUTO;
1443 break;
1444 }
1445
1446 switch (type) {
1447 case DRM_MODE_CONNECTOR_DisplayPort:
1448 case DRM_MODE_CONNECTOR_eDP:
1449 drm_dp_cec_register_connector(&nv_connector->aux, connector);
1450 break;
1451 }
1452
1453 ret = nvif_notify_ctor(&disp->disp.object, "kmsHotplug",
1454 nouveau_connector_hotplug,
1455 true, NV04_DISP_NTFY_CONN,
1456 &(struct nvif_notify_conn_req_v0) {
1457 .mask = NVIF_NOTIFY_CONN_V0_ANY,
1458 .conn = index,
1459 },
1460 sizeof(struct nvif_notify_conn_req_v0),
1461 sizeof(struct nvif_notify_conn_rep_v0),
1462 &nv_connector->hpd);
1463 if (ret)
1464 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1465 else
1466 connector->polled = DRM_CONNECTOR_POLL_HPD;
1467
1468 drm_connector_register(connector);
1469 return connector;
1470}