Loading...
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 "nouveau_acpi.h"
42
43#include "nouveau_display.h"
44#include "nouveau_connector.h"
45#include "nouveau_encoder.h"
46#include "nouveau_crtc.h"
47
48#include <nvif/class.h>
49#include <nvif/cl0046.h>
50#include <nvif/event.h>
51
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 mode->vrefresh = drm_mode_vrefresh(mode);
63 if (helper->mode_valid(connector, mode) != MODE_OK ||
64 (mode->flags & DRM_MODE_FLAG_INTERLACE))
65 continue;
66
67 /* Use preferred mode if there is one.. */
68 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
69 NV_DEBUG(drm, "native mode from preferred\n");
70 return drm_mode_duplicate(dev, mode);
71 }
72
73 /* Otherwise, take the resolution with the largest width, then
74 * height, then vertical refresh
75 */
76 if (mode->hdisplay < high_w)
77 continue;
78
79 if (mode->hdisplay == high_w && mode->vdisplay < high_h)
80 continue;
81
82 if (mode->hdisplay == high_w && mode->vdisplay == high_h &&
83 mode->vrefresh < high_v)
84 continue;
85
86 high_w = mode->hdisplay;
87 high_h = mode->vdisplay;
88 high_v = mode->vrefresh;
89 largest = mode;
90 }
91
92 NV_DEBUG(drm, "native mode from largest: %dx%d@%d\n",
93 high_w, high_h, high_v);
94 return largest ? drm_mode_duplicate(dev, largest) : NULL;
95}
96
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_conn_atom *asyc;
249
250 if (WARN_ON(!(asyc = kzalloc(sizeof(*asyc), GFP_KERNEL))))
251 return;
252
253 if (connector->state)
254 nouveau_conn_atomic_destroy_state(connector, connector->state);
255 __drm_atomic_helper_connector_reset(connector, &asyc->state);
256 asyc->dither.mode = DITHERING_MODE_AUTO;
257 asyc->dither.depth = DITHERING_DEPTH_AUTO;
258 asyc->scaler.mode = DRM_MODE_SCALE_NONE;
259 asyc->scaler.underscan.mode = UNDERSCAN_OFF;
260 asyc->procamp.color_vibrance = 150;
261 asyc->procamp.vibrant_hue = 90;
262
263 if (nouveau_display(connector->dev)->disp.object.oclass < NV50_DISP) {
264 switch (connector->connector_type) {
265 case DRM_MODE_CONNECTOR_LVDS:
266 /* See note in nouveau_conn_atomic_set_property(). */
267 asyc->scaler.mode = DRM_MODE_SCALE_FULLSCREEN;
268 break;
269 default:
270 break;
271 }
272 }
273}
274
275void
276nouveau_conn_attach_properties(struct drm_connector *connector)
277{
278 struct drm_device *dev = connector->dev;
279 struct nouveau_conn_atom *armc = nouveau_conn_atom(connector->state);
280 struct nouveau_display *disp = nouveau_display(dev);
281
282 /* Init DVI-I specific properties. */
283 if (connector->connector_type == DRM_MODE_CONNECTOR_DVII)
284 drm_object_attach_property(&connector->base, dev->mode_config.
285 dvi_i_subconnector_property, 0);
286
287 /* Add overscan compensation options to digital outputs. */
288 if (disp->underscan_property &&
289 (connector->connector_type == DRM_MODE_CONNECTOR_DVID ||
290 connector->connector_type == DRM_MODE_CONNECTOR_DVII ||
291 connector->connector_type == DRM_MODE_CONNECTOR_HDMIA ||
292 connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)) {
293 drm_object_attach_property(&connector->base,
294 disp->underscan_property,
295 UNDERSCAN_OFF);
296 drm_object_attach_property(&connector->base,
297 disp->underscan_hborder_property, 0);
298 drm_object_attach_property(&connector->base,
299 disp->underscan_vborder_property, 0);
300 }
301
302 /* Add hue and saturation options. */
303 if (disp->vibrant_hue_property)
304 drm_object_attach_property(&connector->base,
305 disp->vibrant_hue_property,
306 armc->procamp.vibrant_hue);
307 if (disp->color_vibrance_property)
308 drm_object_attach_property(&connector->base,
309 disp->color_vibrance_property,
310 armc->procamp.color_vibrance);
311
312 /* Scaling mode property. */
313 switch (connector->connector_type) {
314 case DRM_MODE_CONNECTOR_TV:
315 break;
316 case DRM_MODE_CONNECTOR_VGA:
317 if (disp->disp.object.oclass < NV50_DISP)
318 break; /* Can only scale on DFPs. */
319 /* Fall-through. */
320 default:
321 drm_object_attach_property(&connector->base, dev->mode_config.
322 scaling_mode_property,
323 armc->scaler.mode);
324 break;
325 }
326
327 /* Dithering properties. */
328 switch (connector->connector_type) {
329 case DRM_MODE_CONNECTOR_TV:
330 case DRM_MODE_CONNECTOR_VGA:
331 break;
332 default:
333 if (disp->dithering_mode) {
334 drm_object_attach_property(&connector->base,
335 disp->dithering_mode,
336 armc->dither.mode);
337 }
338 if (disp->dithering_depth) {
339 drm_object_attach_property(&connector->base,
340 disp->dithering_depth,
341 armc->dither.depth);
342 }
343 break;
344 }
345}
346
347MODULE_PARM_DESC(tv_disable, "Disable TV-out detection");
348int nouveau_tv_disable = 0;
349module_param_named(tv_disable, nouveau_tv_disable, int, 0400);
350
351MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status");
352int nouveau_ignorelid = 0;
353module_param_named(ignorelid, nouveau_ignorelid, int, 0400);
354
355MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (default: enabled)");
356int nouveau_duallink = 1;
357module_param_named(duallink, nouveau_duallink, int, 0400);
358
359MODULE_PARM_DESC(hdmimhz, "Force a maximum HDMI pixel clock (in MHz)");
360int nouveau_hdmimhz = 0;
361module_param_named(hdmimhz, nouveau_hdmimhz, int, 0400);
362
363struct nouveau_encoder *
364find_encoder(struct drm_connector *connector, int type)
365{
366 struct nouveau_encoder *nv_encoder;
367 struct drm_encoder *enc;
368 int i;
369
370 drm_connector_for_each_possible_encoder(connector, enc, i) {
371 nv_encoder = nouveau_encoder(enc);
372
373 if (type == DCB_OUTPUT_ANY ||
374 (nv_encoder->dcb && nv_encoder->dcb->type == type))
375 return nv_encoder;
376 }
377
378 return NULL;
379}
380
381struct nouveau_connector *
382nouveau_encoder_connector_get(struct nouveau_encoder *encoder)
383{
384 struct drm_device *dev = to_drm_encoder(encoder)->dev;
385 struct drm_connector *drm_connector;
386
387 list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) {
388 if (drm_connector->encoder == to_drm_encoder(encoder))
389 return nouveau_connector(drm_connector);
390 }
391
392 return NULL;
393}
394
395static void
396nouveau_connector_destroy(struct drm_connector *connector)
397{
398 struct nouveau_connector *nv_connector = nouveau_connector(connector);
399 nvif_notify_fini(&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 drm_dp_aux_unregister(&nv_connector->aux);
406 kfree(nv_connector->aux.name);
407 }
408 kfree(connector);
409}
410
411static struct nouveau_encoder *
412nouveau_connector_ddc_detect(struct drm_connector *connector)
413{
414 struct drm_device *dev = connector->dev;
415 struct nouveau_encoder *nv_encoder = NULL, *found = NULL;
416 struct drm_encoder *encoder;
417 int i, ret;
418 bool switcheroo_ddc = false;
419
420 drm_connector_for_each_possible_encoder(connector, encoder, i) {
421 nv_encoder = nouveau_encoder(encoder);
422
423 switch (nv_encoder->dcb->type) {
424 case DCB_OUTPUT_DP:
425 ret = nouveau_dp_detect(nv_encoder);
426 if (ret == NOUVEAU_DP_MST)
427 return NULL;
428 else if (ret == NOUVEAU_DP_SST)
429 found = nv_encoder;
430
431 break;
432 case DCB_OUTPUT_LVDS:
433 switcheroo_ddc = !!(vga_switcheroo_handler_flags() &
434 VGA_SWITCHEROO_CAN_SWITCH_DDC);
435 /* fall-through */
436 default:
437 if (!nv_encoder->i2c)
438 break;
439
440 if (switcheroo_ddc)
441 vga_switcheroo_lock_ddc(dev->pdev);
442 if (nvkm_probe_i2c(nv_encoder->i2c, 0x50))
443 found = nv_encoder;
444 if (switcheroo_ddc)
445 vga_switcheroo_unlock_ddc(dev->pdev);
446
447 break;
448 }
449 if (found)
450 break;
451 }
452
453 return found;
454}
455
456static struct nouveau_encoder *
457nouveau_connector_of_detect(struct drm_connector *connector)
458{
459#ifdef __powerpc__
460 struct drm_device *dev = connector->dev;
461 struct nouveau_connector *nv_connector = nouveau_connector(connector);
462 struct nouveau_encoder *nv_encoder;
463 struct device_node *cn, *dn = pci_device_to_OF_node(dev->pdev);
464
465 if (!dn ||
466 !((nv_encoder = find_encoder(connector, DCB_OUTPUT_TMDS)) ||
467 (nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG))))
468 return NULL;
469
470 for_each_child_of_node(dn, cn) {
471 const char *name = of_get_property(cn, "name", NULL);
472 const void *edid = of_get_property(cn, "EDID", NULL);
473 int idx = name ? name[strlen(name) - 1] - 'A' : 0;
474
475 if (nv_encoder->dcb->i2c_index == idx && edid) {
476 nv_connector->edid =
477 kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
478 of_node_put(cn);
479 return nv_encoder;
480 }
481 }
482#endif
483 return NULL;
484}
485
486static void
487nouveau_connector_set_encoder(struct drm_connector *connector,
488 struct nouveau_encoder *nv_encoder)
489{
490 struct nouveau_connector *nv_connector = nouveau_connector(connector);
491 struct nouveau_drm *drm = nouveau_drm(connector->dev);
492 struct drm_device *dev = connector->dev;
493
494 if (nv_connector->detected_encoder == nv_encoder)
495 return;
496 nv_connector->detected_encoder = nv_encoder;
497
498 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
499 connector->interlace_allowed = true;
500 connector->doublescan_allowed = true;
501 } else
502 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS ||
503 nv_encoder->dcb->type == DCB_OUTPUT_TMDS) {
504 connector->doublescan_allowed = false;
505 connector->interlace_allowed = false;
506 } else {
507 connector->doublescan_allowed = true;
508 if (drm->client.device.info.family == NV_DEVICE_INFO_V0_KELVIN ||
509 (drm->client.device.info.family == NV_DEVICE_INFO_V0_CELSIUS &&
510 (dev->pdev->device & 0x0ff0) != 0x0100 &&
511 (dev->pdev->device & 0x0ff0) != 0x0150))
512 /* HW is broken */
513 connector->interlace_allowed = false;
514 else
515 connector->interlace_allowed = true;
516 }
517
518 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
519 drm_object_property_set_value(&connector->base,
520 dev->mode_config.dvi_i_subconnector_property,
521 nv_encoder->dcb->type == DCB_OUTPUT_TMDS ?
522 DRM_MODE_SUBCONNECTOR_DVID :
523 DRM_MODE_SUBCONNECTOR_DVIA);
524 }
525}
526
527static enum drm_connector_status
528nouveau_connector_detect(struct drm_connector *connector, bool force)
529{
530 struct drm_device *dev = connector->dev;
531 struct nouveau_drm *drm = nouveau_drm(dev);
532 struct nouveau_connector *nv_connector = nouveau_connector(connector);
533 struct nouveau_encoder *nv_encoder = NULL;
534 struct nouveau_encoder *nv_partner;
535 struct i2c_adapter *i2c;
536 int type;
537 int ret;
538 enum drm_connector_status conn_status = connector_status_disconnected;
539
540 /* Cleanup the previous EDID block. */
541 if (nv_connector->edid) {
542 drm_connector_update_edid_property(connector, NULL);
543 kfree(nv_connector->edid);
544 nv_connector->edid = NULL;
545 }
546
547 /* Outputs are only polled while runtime active, so resuming the
548 * device here is unnecessary (and would deadlock upon runtime suspend
549 * because it waits for polling to finish). We do however, want to
550 * prevent the autosuspend timer from elapsing during this operation
551 * if possible.
552 */
553 if (drm_kms_helper_is_poll_worker()) {
554 pm_runtime_get_noresume(dev->dev);
555 } else {
556 ret = pm_runtime_get_sync(dev->dev);
557 if (ret < 0 && ret != -EACCES)
558 return conn_status;
559 }
560
561 nv_encoder = nouveau_connector_ddc_detect(connector);
562 if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) {
563 if ((vga_switcheroo_handler_flags() &
564 VGA_SWITCHEROO_CAN_SWITCH_DDC) &&
565 nv_connector->type == DCB_CONNECTOR_LVDS)
566 nv_connector->edid = drm_get_edid_switcheroo(connector,
567 i2c);
568 else
569 nv_connector->edid = drm_get_edid(connector, i2c);
570
571 drm_connector_update_edid_property(connector,
572 nv_connector->edid);
573 if (!nv_connector->edid) {
574 NV_ERROR(drm, "DDC responded, but no EDID for %s\n",
575 connector->name);
576 goto detect_analog;
577 }
578
579 /* Override encoder type for DVI-I based on whether EDID
580 * says the display is digital or analog, both use the
581 * same i2c channel so the value returned from ddc_detect
582 * isn't necessarily correct.
583 */
584 nv_partner = NULL;
585 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS)
586 nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG);
587 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG)
588 nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS);
589
590 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG &&
591 nv_partner->dcb->type == DCB_OUTPUT_TMDS) ||
592 (nv_encoder->dcb->type == DCB_OUTPUT_TMDS &&
593 nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) {
594 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL)
595 type = DCB_OUTPUT_TMDS;
596 else
597 type = DCB_OUTPUT_ANALOG;
598
599 nv_encoder = find_encoder(connector, type);
600 }
601
602 nouveau_connector_set_encoder(connector, nv_encoder);
603 conn_status = connector_status_connected;
604 drm_dp_cec_set_edid(&nv_connector->aux, nv_connector->edid);
605 goto out;
606 }
607
608 nv_encoder = nouveau_connector_of_detect(connector);
609 if (nv_encoder) {
610 nouveau_connector_set_encoder(connector, nv_encoder);
611 conn_status = connector_status_connected;
612 goto out;
613 }
614
615detect_analog:
616 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG);
617 if (!nv_encoder && !nouveau_tv_disable)
618 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV);
619 if (nv_encoder && force) {
620 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
621 const struct drm_encoder_helper_funcs *helper =
622 encoder->helper_private;
623
624 if (helper->detect(encoder, connector) ==
625 connector_status_connected) {
626 nouveau_connector_set_encoder(connector, nv_encoder);
627 conn_status = connector_status_connected;
628 goto out;
629 }
630
631 }
632
633 out:
634
635 pm_runtime_mark_last_busy(dev->dev);
636 pm_runtime_put_autosuspend(dev->dev);
637
638 return conn_status;
639}
640
641static enum drm_connector_status
642nouveau_connector_detect_lvds(struct drm_connector *connector, bool force)
643{
644 struct drm_device *dev = connector->dev;
645 struct nouveau_drm *drm = nouveau_drm(dev);
646 struct nouveau_connector *nv_connector = nouveau_connector(connector);
647 struct nouveau_encoder *nv_encoder = NULL;
648 enum drm_connector_status status = connector_status_disconnected;
649
650 /* Cleanup the previous EDID block. */
651 if (nv_connector->edid) {
652 drm_connector_update_edid_property(connector, NULL);
653 kfree(nv_connector->edid);
654 nv_connector->edid = NULL;
655 }
656
657 nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS);
658 if (!nv_encoder)
659 return connector_status_disconnected;
660
661 /* Try retrieving EDID via DDC */
662 if (!drm->vbios.fp_no_ddc) {
663 status = nouveau_connector_detect(connector, force);
664 if (status == connector_status_connected)
665 goto out;
666 }
667
668 /* On some laptops (Sony, i'm looking at you) there appears to
669 * be no direct way of accessing the panel's EDID. The only
670 * option available to us appears to be to ask ACPI for help..
671 *
672 * It's important this check's before trying straps, one of the
673 * said manufacturer's laptops are configured in such a way
674 * the nouveau decides an entry in the VBIOS FP mode table is
675 * valid - it's not (rh#613284)
676 */
677 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) {
678 if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) {
679 status = connector_status_connected;
680 goto out;
681 }
682 }
683
684 /* If no EDID found above, and the VBIOS indicates a hardcoded
685 * modeline is avalilable for the panel, set it as the panel's
686 * native mode and exit.
687 */
688 if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc ||
689 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) {
690 status = connector_status_connected;
691 goto out;
692 }
693
694 /* Still nothing, some VBIOS images have a hardcoded EDID block
695 * stored for the panel stored in them.
696 */
697 if (!drm->vbios.fp_no_ddc) {
698 struct edid *edid =
699 (struct edid *)nouveau_bios_embedded_edid(dev);
700 if (edid) {
701 nv_connector->edid =
702 kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
703 if (nv_connector->edid)
704 status = connector_status_connected;
705 }
706 }
707
708out:
709#if defined(CONFIG_ACPI_BUTTON) || \
710 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE))
711 if (status == connector_status_connected &&
712 !nouveau_ignorelid && !acpi_lid_open())
713 status = connector_status_unknown;
714#endif
715
716 drm_connector_update_edid_property(connector, nv_connector->edid);
717 nouveau_connector_set_encoder(connector, nv_encoder);
718 return status;
719}
720
721static void
722nouveau_connector_force(struct drm_connector *connector)
723{
724 struct nouveau_drm *drm = nouveau_drm(connector->dev);
725 struct nouveau_connector *nv_connector = nouveau_connector(connector);
726 struct nouveau_encoder *nv_encoder;
727 int type;
728
729 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
730 if (connector->force == DRM_FORCE_ON_DIGITAL)
731 type = DCB_OUTPUT_TMDS;
732 else
733 type = DCB_OUTPUT_ANALOG;
734 } else
735 type = DCB_OUTPUT_ANY;
736
737 nv_encoder = find_encoder(connector, type);
738 if (!nv_encoder) {
739 NV_ERROR(drm, "can't find encoder to force %s on!\n",
740 connector->name);
741 connector->status = connector_status_disconnected;
742 return;
743 }
744
745 nouveau_connector_set_encoder(connector, nv_encoder);
746}
747
748static int
749nouveau_connector_set_property(struct drm_connector *connector,
750 struct drm_property *property, uint64_t value)
751{
752 struct nouveau_conn_atom *asyc = nouveau_conn_atom(connector->state);
753 struct nouveau_connector *nv_connector = nouveau_connector(connector);
754 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
755 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
756 int ret;
757
758 ret = connector->funcs->atomic_set_property(&nv_connector->base,
759 &asyc->state,
760 property, value);
761 if (ret) {
762 if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV)
763 return get_slave_funcs(encoder)->set_property(
764 encoder, connector, property, value);
765 return ret;
766 }
767
768 nv_connector->scaling_mode = asyc->scaler.mode;
769 nv_connector->dithering_mode = asyc->dither.mode;
770
771 if (connector->encoder && connector->encoder->crtc) {
772 ret = drm_crtc_helper_set_mode(connector->encoder->crtc,
773 &connector->encoder->crtc->mode,
774 connector->encoder->crtc->x,
775 connector->encoder->crtc->y,
776 NULL);
777 if (!ret)
778 return -EINVAL;
779 }
780
781 return 0;
782}
783
784struct moderec {
785 int hdisplay;
786 int vdisplay;
787};
788
789static struct moderec scaler_modes[] = {
790 { 1920, 1200 },
791 { 1920, 1080 },
792 { 1680, 1050 },
793 { 1600, 1200 },
794 { 1400, 1050 },
795 { 1280, 1024 },
796 { 1280, 960 },
797 { 1152, 864 },
798 { 1024, 768 },
799 { 800, 600 },
800 { 720, 400 },
801 { 640, 480 },
802 { 640, 400 },
803 { 640, 350 },
804 {}
805};
806
807static int
808nouveau_connector_scaler_modes_add(struct drm_connector *connector)
809{
810 struct nouveau_connector *nv_connector = nouveau_connector(connector);
811 struct drm_display_mode *native = nv_connector->native_mode, *m;
812 struct drm_device *dev = connector->dev;
813 struct moderec *mode = &scaler_modes[0];
814 int modes = 0;
815
816 if (!native)
817 return 0;
818
819 while (mode->hdisplay) {
820 if (mode->hdisplay <= native->hdisplay &&
821 mode->vdisplay <= native->vdisplay &&
822 (mode->hdisplay != native->hdisplay ||
823 mode->vdisplay != native->vdisplay)) {
824 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay,
825 drm_mode_vrefresh(native), false,
826 false, false);
827 if (!m)
828 continue;
829
830 drm_mode_probed_add(connector, m);
831 modes++;
832 }
833
834 mode++;
835 }
836
837 return modes;
838}
839
840static void
841nouveau_connector_detect_depth(struct drm_connector *connector)
842{
843 struct nouveau_drm *drm = nouveau_drm(connector->dev);
844 struct nouveau_connector *nv_connector = nouveau_connector(connector);
845 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
846 struct nvbios *bios = &drm->vbios;
847 struct drm_display_mode *mode = nv_connector->native_mode;
848 bool duallink;
849
850 /* if the edid is feeling nice enough to provide this info, use it */
851 if (nv_connector->edid && connector->display_info.bpc)
852 return;
853
854 /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */
855 if (nv_connector->type == DCB_CONNECTOR_eDP) {
856 connector->display_info.bpc = 6;
857 return;
858 }
859
860 /* we're out of options unless we're LVDS, default to 8bpc */
861 if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) {
862 connector->display_info.bpc = 8;
863 return;
864 }
865
866 connector->display_info.bpc = 6;
867
868 /* LVDS: panel straps */
869 if (bios->fp_no_ddc) {
870 if (bios->fp.if_is_24bit)
871 connector->display_info.bpc = 8;
872 return;
873 }
874
875 /* LVDS: DDC panel, need to first determine the number of links to
876 * know which if_is_24bit flag to check...
877 */
878 if (nv_connector->edid &&
879 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG)
880 duallink = ((u8 *)nv_connector->edid)[121] == 2;
881 else
882 duallink = mode->clock >= bios->fp.duallink_transition_clk;
883
884 if ((!duallink && (bios->fp.strapless_is_24bit & 1)) ||
885 ( duallink && (bios->fp.strapless_is_24bit & 2)))
886 connector->display_info.bpc = 8;
887}
888
889static int
890nouveau_connector_late_register(struct drm_connector *connector)
891{
892 int ret;
893
894 ret = nouveau_backlight_init(connector);
895
896 return ret;
897}
898
899static void
900nouveau_connector_early_unregister(struct drm_connector *connector)
901{
902 nouveau_backlight_fini(connector);
903}
904
905static int
906nouveau_connector_get_modes(struct drm_connector *connector)
907{
908 struct drm_device *dev = connector->dev;
909 struct nouveau_drm *drm = nouveau_drm(dev);
910 struct nouveau_connector *nv_connector = nouveau_connector(connector);
911 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
912 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
913 int ret = 0;
914
915 /* destroy the native mode, the attached monitor could have changed.
916 */
917 if (nv_connector->native_mode) {
918 drm_mode_destroy(dev, nv_connector->native_mode);
919 nv_connector->native_mode = NULL;
920 }
921
922 if (nv_connector->edid)
923 ret = drm_add_edid_modes(connector, nv_connector->edid);
924 else
925 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS &&
926 (nv_encoder->dcb->lvdsconf.use_straps_for_mode ||
927 drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) {
928 struct drm_display_mode mode;
929
930 nouveau_bios_fp_mode(dev, &mode);
931 nv_connector->native_mode = drm_mode_duplicate(dev, &mode);
932 }
933
934 /* Determine display colour depth for everything except LVDS now,
935 * DP requires this before mode_valid() is called.
936 */
937 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS)
938 nouveau_connector_detect_depth(connector);
939
940 /* Find the native mode if this is a digital panel, if we didn't
941 * find any modes through DDC previously add the native mode to
942 * the list of modes.
943 */
944 if (!nv_connector->native_mode)
945 nv_connector->native_mode = nouveau_conn_native_mode(connector);
946 if (ret == 0 && nv_connector->native_mode) {
947 struct drm_display_mode *mode;
948
949 mode = drm_mode_duplicate(dev, nv_connector->native_mode);
950 drm_mode_probed_add(connector, mode);
951 ret = 1;
952 }
953
954 /* Determine LVDS colour depth, must happen after determining
955 * "native" mode as some VBIOS tables require us to use the
956 * pixel clock as part of the lookup...
957 */
958 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
959 nouveau_connector_detect_depth(connector);
960
961 if (nv_encoder->dcb->type == DCB_OUTPUT_TV)
962 ret = get_slave_funcs(encoder)->get_modes(encoder, connector);
963
964 if (nv_connector->type == DCB_CONNECTOR_LVDS ||
965 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG ||
966 nv_connector->type == DCB_CONNECTOR_eDP)
967 ret += nouveau_connector_scaler_modes_add(connector);
968
969 return ret;
970}
971
972static unsigned
973get_tmds_link_bandwidth(struct drm_connector *connector)
974{
975 struct nouveau_connector *nv_connector = nouveau_connector(connector);
976 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
977 struct nouveau_drm *drm = nouveau_drm(connector->dev);
978 struct dcb_output *dcb = nv_connector->detected_encoder->dcb;
979 struct drm_display_info *info = NULL;
980 unsigned duallink_scale =
981 nouveau_duallink && nv_encoder->dcb->duallink_possible ? 2 : 1;
982
983 if (drm_detect_hdmi_monitor(nv_connector->edid)) {
984 info = &nv_connector->base.display_info;
985 duallink_scale = 1;
986 }
987
988 if (info) {
989 if (nouveau_hdmimhz > 0)
990 return nouveau_hdmimhz * 1000;
991 /* Note: these limits are conservative, some Fermi's
992 * can do 297 MHz. Unclear how this can be determined.
993 */
994 if (drm->client.device.info.chipset >= 0x120) {
995 const int max_tmds_clock =
996 info->hdmi.scdc.scrambling.supported ?
997 594000 : 340000;
998 return info->max_tmds_clock ?
999 min(info->max_tmds_clock, max_tmds_clock) :
1000 max_tmds_clock;
1001 }
1002 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_KEPLER)
1003 return 297000;
1004 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_FERMI)
1005 return 225000;
1006 }
1007
1008 if (dcb->location != DCB_LOC_ON_CHIP ||
1009 drm->client.device.info.chipset >= 0x46)
1010 return 165000 * duallink_scale;
1011 else if (drm->client.device.info.chipset >= 0x40)
1012 return 155000 * duallink_scale;
1013 else if (drm->client.device.info.chipset >= 0x18)
1014 return 135000 * duallink_scale;
1015 else
1016 return 112000 * duallink_scale;
1017}
1018
1019static enum drm_mode_status
1020nouveau_connector_mode_valid(struct drm_connector *connector,
1021 struct drm_display_mode *mode)
1022{
1023 struct nouveau_connector *nv_connector = nouveau_connector(connector);
1024 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
1025 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
1026 unsigned min_clock = 25000, max_clock = min_clock;
1027 unsigned clock = mode->clock;
1028
1029 switch (nv_encoder->dcb->type) {
1030 case DCB_OUTPUT_LVDS:
1031 if (nv_connector->native_mode &&
1032 (mode->hdisplay > nv_connector->native_mode->hdisplay ||
1033 mode->vdisplay > nv_connector->native_mode->vdisplay))
1034 return MODE_PANEL;
1035
1036 min_clock = 0;
1037 max_clock = 400000;
1038 break;
1039 case DCB_OUTPUT_TMDS:
1040 max_clock = get_tmds_link_bandwidth(connector);
1041 break;
1042 case DCB_OUTPUT_ANALOG:
1043 max_clock = nv_encoder->dcb->crtconf.maxfreq;
1044 if (!max_clock)
1045 max_clock = 350000;
1046 break;
1047 case DCB_OUTPUT_TV:
1048 return get_slave_funcs(encoder)->mode_valid(encoder, mode);
1049 case DCB_OUTPUT_DP:
1050 max_clock = nv_encoder->dp.link_nr;
1051 max_clock *= nv_encoder->dp.link_bw;
1052 clock = clock * (connector->display_info.bpc * 3) / 10;
1053 break;
1054 default:
1055 BUG();
1056 return MODE_BAD;
1057 }
1058
1059 if ((mode->flags & DRM_MODE_FLAG_3D_MASK) == DRM_MODE_FLAG_3D_FRAME_PACKING)
1060 clock *= 2;
1061
1062 if (clock < min_clock)
1063 return MODE_CLOCK_LOW;
1064
1065 if (clock > max_clock)
1066 return MODE_CLOCK_HIGH;
1067
1068 return MODE_OK;
1069}
1070
1071static struct drm_encoder *
1072nouveau_connector_best_encoder(struct drm_connector *connector)
1073{
1074 struct nouveau_connector *nv_connector = nouveau_connector(connector);
1075
1076 if (nv_connector->detected_encoder)
1077 return to_drm_encoder(nv_connector->detected_encoder);
1078
1079 return NULL;
1080}
1081
1082static const struct drm_connector_helper_funcs
1083nouveau_connector_helper_funcs = {
1084 .get_modes = nouveau_connector_get_modes,
1085 .mode_valid = nouveau_connector_mode_valid,
1086 .best_encoder = nouveau_connector_best_encoder,
1087};
1088
1089static const struct drm_connector_funcs
1090nouveau_connector_funcs = {
1091 .dpms = drm_helper_connector_dpms,
1092 .reset = nouveau_conn_reset,
1093 .detect = nouveau_connector_detect,
1094 .force = nouveau_connector_force,
1095 .fill_modes = drm_helper_probe_single_connector_modes,
1096 .set_property = nouveau_connector_set_property,
1097 .destroy = nouveau_connector_destroy,
1098 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state,
1099 .atomic_destroy_state = nouveau_conn_atomic_destroy_state,
1100 .atomic_set_property = nouveau_conn_atomic_set_property,
1101 .atomic_get_property = nouveau_conn_atomic_get_property,
1102 .late_register = nouveau_connector_late_register,
1103 .early_unregister = nouveau_connector_early_unregister,
1104};
1105
1106static const struct drm_connector_funcs
1107nouveau_connector_funcs_lvds = {
1108 .dpms = drm_helper_connector_dpms,
1109 .reset = nouveau_conn_reset,
1110 .detect = nouveau_connector_detect_lvds,
1111 .force = nouveau_connector_force,
1112 .fill_modes = drm_helper_probe_single_connector_modes,
1113 .set_property = nouveau_connector_set_property,
1114 .destroy = nouveau_connector_destroy,
1115 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state,
1116 .atomic_destroy_state = nouveau_conn_atomic_destroy_state,
1117 .atomic_set_property = nouveau_conn_atomic_set_property,
1118 .atomic_get_property = nouveau_conn_atomic_get_property,
1119 .late_register = nouveau_connector_late_register,
1120 .early_unregister = nouveau_connector_early_unregister,
1121};
1122
1123static int
1124nouveau_connector_hotplug(struct nvif_notify *notify)
1125{
1126 struct nouveau_connector *nv_connector =
1127 container_of(notify, typeof(*nv_connector), hpd);
1128 struct drm_connector *connector = &nv_connector->base;
1129 struct nouveau_drm *drm = nouveau_drm(connector->dev);
1130 const struct nvif_notify_conn_rep_v0 *rep = notify->data;
1131 const char *name = connector->name;
1132 struct nouveau_encoder *nv_encoder;
1133 int ret;
1134
1135 ret = pm_runtime_get(drm->dev->dev);
1136 if (ret == 0) {
1137 /* We can't block here if there's a pending PM request
1138 * running, as we'll deadlock nouveau_display_fini() when it
1139 * calls nvif_put() on our nvif_notify struct. So, simply
1140 * defer the hotplug event until the device finishes resuming
1141 */
1142 NV_DEBUG(drm, "Deferring HPD on %s until runtime resume\n",
1143 name);
1144 schedule_work(&drm->hpd_work);
1145
1146 pm_runtime_put_noidle(drm->dev->dev);
1147 return NVIF_NOTIFY_KEEP;
1148 } else if (ret != 1 && ret != -EACCES) {
1149 NV_WARN(drm, "HPD on %s dropped due to RPM failure: %d\n",
1150 name, ret);
1151 return NVIF_NOTIFY_DROP;
1152 }
1153
1154 if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) {
1155 NV_DEBUG(drm, "service %s\n", name);
1156 drm_dp_cec_irq(&nv_connector->aux);
1157 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP)))
1158 nv50_mstm_service(nv_encoder->dp.mstm);
1159 } else {
1160 bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG);
1161
1162 if (!plugged)
1163 drm_dp_cec_unset_edid(&nv_connector->aux);
1164 NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name);
1165 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP))) {
1166 if (!plugged)
1167 nv50_mstm_remove(nv_encoder->dp.mstm);
1168 }
1169
1170 drm_helper_hpd_irq_event(connector->dev);
1171 }
1172
1173 pm_runtime_mark_last_busy(drm->dev->dev);
1174 pm_runtime_put_autosuspend(drm->dev->dev);
1175 return NVIF_NOTIFY_KEEP;
1176}
1177
1178static ssize_t
1179nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg)
1180{
1181 struct nouveau_connector *nv_connector =
1182 container_of(obj, typeof(*nv_connector), aux);
1183 struct nouveau_encoder *nv_encoder;
1184 struct nvkm_i2c_aux *aux;
1185 u8 size = msg->size;
1186 int ret;
1187
1188 nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP);
1189 if (!nv_encoder || !(aux = nv_encoder->aux))
1190 return -ENODEV;
1191 if (WARN_ON(msg->size > 16))
1192 return -E2BIG;
1193
1194 ret = nvkm_i2c_aux_acquire(aux);
1195 if (ret)
1196 return ret;
1197
1198 ret = nvkm_i2c_aux_xfer(aux, false, msg->request, msg->address,
1199 msg->buffer, &size);
1200 nvkm_i2c_aux_release(aux);
1201 if (ret >= 0) {
1202 msg->reply = ret;
1203 return size;
1204 }
1205
1206 return ret;
1207}
1208
1209static int
1210drm_conntype_from_dcb(enum dcb_connector_type dcb)
1211{
1212 switch (dcb) {
1213 case DCB_CONNECTOR_VGA : return DRM_MODE_CONNECTOR_VGA;
1214 case DCB_CONNECTOR_TV_0 :
1215 case DCB_CONNECTOR_TV_1 :
1216 case DCB_CONNECTOR_TV_3 : return DRM_MODE_CONNECTOR_TV;
1217 case DCB_CONNECTOR_DMS59_0 :
1218 case DCB_CONNECTOR_DMS59_1 :
1219 case DCB_CONNECTOR_DVI_I : return DRM_MODE_CONNECTOR_DVII;
1220 case DCB_CONNECTOR_DVI_D : return DRM_MODE_CONNECTOR_DVID;
1221 case DCB_CONNECTOR_LVDS :
1222 case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS;
1223 case DCB_CONNECTOR_DMS59_DP0:
1224 case DCB_CONNECTOR_DMS59_DP1:
1225 case DCB_CONNECTOR_DP :
1226 case DCB_CONNECTOR_USB_C : return DRM_MODE_CONNECTOR_DisplayPort;
1227 case DCB_CONNECTOR_eDP : return DRM_MODE_CONNECTOR_eDP;
1228 case DCB_CONNECTOR_HDMI_0 :
1229 case DCB_CONNECTOR_HDMI_1 :
1230 case DCB_CONNECTOR_HDMI_C : return DRM_MODE_CONNECTOR_HDMIA;
1231 case DCB_CONNECTOR_WFD : return DRM_MODE_CONNECTOR_VIRTUAL;
1232 default:
1233 break;
1234 }
1235
1236 return DRM_MODE_CONNECTOR_Unknown;
1237}
1238
1239struct drm_connector *
1240nouveau_connector_create(struct drm_device *dev,
1241 const struct dcb_output *dcbe)
1242{
1243 const struct drm_connector_funcs *funcs = &nouveau_connector_funcs;
1244 struct nouveau_drm *drm = nouveau_drm(dev);
1245 struct nouveau_display *disp = nouveau_display(dev);
1246 struct nouveau_connector *nv_connector = NULL;
1247 struct drm_connector *connector;
1248 struct drm_connector_list_iter conn_iter;
1249 char aux_name[48] = {0};
1250 int index = dcbe->connector;
1251 int type, ret = 0;
1252 bool dummy;
1253
1254 drm_connector_list_iter_begin(dev, &conn_iter);
1255 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
1256 nv_connector = nouveau_connector(connector);
1257 if (nv_connector->index == index) {
1258 drm_connector_list_iter_end(&conn_iter);
1259 return connector;
1260 }
1261 }
1262 drm_connector_list_iter_end(&conn_iter);
1263
1264 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL);
1265 if (!nv_connector)
1266 return ERR_PTR(-ENOMEM);
1267
1268 connector = &nv_connector->base;
1269 nv_connector->index = index;
1270
1271 /* attempt to parse vbios connector type and hotplug gpio */
1272 nv_connector->dcb = olddcb_conn(dev, index);
1273 if (nv_connector->dcb) {
1274 u32 entry = ROM16(nv_connector->dcb[0]);
1275 if (olddcb_conntab(dev)[3] >= 4)
1276 entry |= (u32)ROM16(nv_connector->dcb[2]) << 16;
1277
1278 nv_connector->type = nv_connector->dcb[0];
1279 if (drm_conntype_from_dcb(nv_connector->type) ==
1280 DRM_MODE_CONNECTOR_Unknown) {
1281 NV_WARN(drm, "unknown connector type %02x\n",
1282 nv_connector->type);
1283 nv_connector->type = DCB_CONNECTOR_NONE;
1284 }
1285
1286 /* Gigabyte NX85T */
1287 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) {
1288 if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1289 nv_connector->type = DCB_CONNECTOR_DVI_I;
1290 }
1291
1292 /* Gigabyte GV-NX86T512H */
1293 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) {
1294 if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1295 nv_connector->type = DCB_CONNECTOR_DVI_I;
1296 }
1297 } else {
1298 nv_connector->type = DCB_CONNECTOR_NONE;
1299 }
1300
1301 /* no vbios data, or an unknown dcb connector type - attempt to
1302 * figure out something suitable ourselves
1303 */
1304 if (nv_connector->type == DCB_CONNECTOR_NONE) {
1305 struct nouveau_drm *drm = nouveau_drm(dev);
1306 struct dcb_table *dcbt = &drm->vbios.dcb;
1307 u32 encoders = 0;
1308 int i;
1309
1310 for (i = 0; i < dcbt->entries; i++) {
1311 if (dcbt->entry[i].connector == nv_connector->index)
1312 encoders |= (1 << dcbt->entry[i].type);
1313 }
1314
1315 if (encoders & (1 << DCB_OUTPUT_DP)) {
1316 if (encoders & (1 << DCB_OUTPUT_TMDS))
1317 nv_connector->type = DCB_CONNECTOR_DP;
1318 else
1319 nv_connector->type = DCB_CONNECTOR_eDP;
1320 } else
1321 if (encoders & (1 << DCB_OUTPUT_TMDS)) {
1322 if (encoders & (1 << DCB_OUTPUT_ANALOG))
1323 nv_connector->type = DCB_CONNECTOR_DVI_I;
1324 else
1325 nv_connector->type = DCB_CONNECTOR_DVI_D;
1326 } else
1327 if (encoders & (1 << DCB_OUTPUT_ANALOG)) {
1328 nv_connector->type = DCB_CONNECTOR_VGA;
1329 } else
1330 if (encoders & (1 << DCB_OUTPUT_LVDS)) {
1331 nv_connector->type = DCB_CONNECTOR_LVDS;
1332 } else
1333 if (encoders & (1 << DCB_OUTPUT_TV)) {
1334 nv_connector->type = DCB_CONNECTOR_TV_0;
1335 }
1336 }
1337
1338 switch ((type = drm_conntype_from_dcb(nv_connector->type))) {
1339 case DRM_MODE_CONNECTOR_LVDS:
1340 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy);
1341 if (ret) {
1342 NV_ERROR(drm, "Error parsing LVDS table, disabling\n");
1343 kfree(nv_connector);
1344 return ERR_PTR(ret);
1345 }
1346
1347 funcs = &nouveau_connector_funcs_lvds;
1348 break;
1349 case DRM_MODE_CONNECTOR_DisplayPort:
1350 case DRM_MODE_CONNECTOR_eDP:
1351 nv_connector->aux.dev = connector->kdev;
1352 nv_connector->aux.transfer = nouveau_connector_aux_xfer;
1353 snprintf(aux_name, sizeof(aux_name), "sor-%04x-%04x",
1354 dcbe->hasht, dcbe->hashm);
1355 nv_connector->aux.name = kstrdup(aux_name, GFP_KERNEL);
1356 ret = drm_dp_aux_register(&nv_connector->aux);
1357 if (ret) {
1358 NV_ERROR(drm, "failed to register aux channel\n");
1359 kfree(nv_connector);
1360 return ERR_PTR(ret);
1361 }
1362 funcs = &nouveau_connector_funcs;
1363 break;
1364 default:
1365 funcs = &nouveau_connector_funcs;
1366 break;
1367 }
1368
1369 /* HDMI 3D support */
1370 if ((disp->disp.object.oclass >= G82_DISP)
1371 && ((type == DRM_MODE_CONNECTOR_DisplayPort)
1372 || (type == DRM_MODE_CONNECTOR_eDP)
1373 || (type == DRM_MODE_CONNECTOR_HDMIA)))
1374 connector->stereo_allowed = true;
1375
1376 /* defaults, will get overridden in detect() */
1377 connector->interlace_allowed = false;
1378 connector->doublescan_allowed = false;
1379
1380 drm_connector_init(dev, connector, funcs, type);
1381 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs);
1382
1383 connector->funcs->reset(connector);
1384 nouveau_conn_attach_properties(connector);
1385
1386 /* Default scaling mode */
1387 switch (nv_connector->type) {
1388 case DCB_CONNECTOR_LVDS:
1389 case DCB_CONNECTOR_LVDS_SPWG:
1390 case DCB_CONNECTOR_eDP:
1391 /* see note in nouveau_connector_set_property() */
1392 if (disp->disp.object.oclass < NV50_DISP) {
1393 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
1394 break;
1395 }
1396 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1397 break;
1398 default:
1399 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1400 break;
1401 }
1402
1403 /* dithering properties */
1404 switch (nv_connector->type) {
1405 case DCB_CONNECTOR_TV_0:
1406 case DCB_CONNECTOR_TV_1:
1407 case DCB_CONNECTOR_TV_3:
1408 case DCB_CONNECTOR_VGA:
1409 break;
1410 default:
1411 nv_connector->dithering_mode = DITHERING_MODE_AUTO;
1412 break;
1413 }
1414
1415 switch (type) {
1416 case DRM_MODE_CONNECTOR_DisplayPort:
1417 case DRM_MODE_CONNECTOR_eDP:
1418 drm_dp_cec_register_connector(&nv_connector->aux,
1419 connector->name, dev->dev);
1420 break;
1421 }
1422
1423 ret = nvif_notify_init(&disp->disp.object, nouveau_connector_hotplug,
1424 true, NV04_DISP_NTFY_CONN,
1425 &(struct nvif_notify_conn_req_v0) {
1426 .mask = NVIF_NOTIFY_CONN_V0_ANY,
1427 .conn = index,
1428 },
1429 sizeof(struct nvif_notify_conn_req_v0),
1430 sizeof(struct nvif_notify_conn_rep_v0),
1431 &nv_connector->hpd);
1432 if (ret)
1433 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1434 else
1435 connector->polled = DRM_CONNECTOR_POLL_HPD;
1436
1437 drm_connector_register(connector);
1438 return connector;
1439}