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1/*
2 * Copyright (C) 2008 Maarten Maathuis.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 *
25 */
26
27#include <acpi/button.h>
28
29#include "drmP.h"
30#include "drm_edid.h"
31#include "drm_crtc_helper.h"
32
33#include "nouveau_reg.h"
34#include "nouveau_drv.h"
35#include "nouveau_encoder.h"
36#include "nouveau_crtc.h"
37#include "nouveau_connector.h"
38#include "nouveau_hw.h"
39
40static void nouveau_connector_hotplug(void *, int);
41
42static struct nouveau_encoder *
43find_encoder(struct drm_connector *connector, int type)
44{
45 struct drm_device *dev = connector->dev;
46 struct nouveau_encoder *nv_encoder;
47 struct drm_mode_object *obj;
48 int i, id;
49
50 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
51 id = connector->encoder_ids[i];
52 if (!id)
53 break;
54
55 obj = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_ENCODER);
56 if (!obj)
57 continue;
58 nv_encoder = nouveau_encoder(obj_to_encoder(obj));
59
60 if (type == OUTPUT_ANY || nv_encoder->dcb->type == type)
61 return nv_encoder;
62 }
63
64 return NULL;
65}
66
67struct nouveau_connector *
68nouveau_encoder_connector_get(struct nouveau_encoder *encoder)
69{
70 struct drm_device *dev = to_drm_encoder(encoder)->dev;
71 struct drm_connector *drm_connector;
72
73 list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) {
74 if (drm_connector->encoder == to_drm_encoder(encoder))
75 return nouveau_connector(drm_connector);
76 }
77
78 return NULL;
79}
80
81/*TODO: This could use improvement, and learn to handle the fixed
82 * BIOS tables etc. It's fine currently, for its only user.
83 */
84int
85nouveau_connector_bpp(struct drm_connector *connector)
86{
87 struct nouveau_connector *nv_connector = nouveau_connector(connector);
88
89 if (nv_connector->edid && nv_connector->edid->revision >= 4) {
90 u8 bpc = ((nv_connector->edid->input & 0x70) >> 3) + 4;
91 if (bpc > 4)
92 return bpc;
93 }
94
95 return 18;
96}
97
98static void
99nouveau_connector_destroy(struct drm_connector *connector)
100{
101 struct nouveau_connector *nv_connector = nouveau_connector(connector);
102 struct drm_nouveau_private *dev_priv;
103 struct nouveau_gpio_engine *pgpio;
104 struct drm_device *dev;
105
106 if (!nv_connector)
107 return;
108
109 dev = nv_connector->base.dev;
110 dev_priv = dev->dev_private;
111 NV_DEBUG_KMS(dev, "\n");
112
113 pgpio = &dev_priv->engine.gpio;
114 if (pgpio->irq_unregister) {
115 pgpio->irq_unregister(dev, nv_connector->dcb->gpio_tag,
116 nouveau_connector_hotplug, connector);
117 }
118
119 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS ||
120 connector->connector_type == DRM_MODE_CONNECTOR_eDP)
121 nouveau_backlight_exit(connector);
122
123 kfree(nv_connector->edid);
124 drm_sysfs_connector_remove(connector);
125 drm_connector_cleanup(connector);
126 kfree(connector);
127}
128
129static struct nouveau_i2c_chan *
130nouveau_connector_ddc_detect(struct drm_connector *connector,
131 struct nouveau_encoder **pnv_encoder)
132{
133 struct drm_device *dev = connector->dev;
134 int i;
135
136 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
137 struct nouveau_i2c_chan *i2c = NULL;
138 struct nouveau_encoder *nv_encoder;
139 struct drm_mode_object *obj;
140 int id;
141
142 id = connector->encoder_ids[i];
143 if (!id)
144 break;
145
146 obj = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_ENCODER);
147 if (!obj)
148 continue;
149 nv_encoder = nouveau_encoder(obj_to_encoder(obj));
150
151 if (nv_encoder->dcb->i2c_index < 0xf)
152 i2c = nouveau_i2c_find(dev, nv_encoder->dcb->i2c_index);
153
154 if (i2c && nouveau_probe_i2c_addr(i2c, 0x50)) {
155 *pnv_encoder = nv_encoder;
156 return i2c;
157 }
158 }
159
160 return NULL;
161}
162
163static struct nouveau_encoder *
164nouveau_connector_of_detect(struct drm_connector *connector)
165{
166#ifdef __powerpc__
167 struct drm_device *dev = connector->dev;
168 struct nouveau_connector *nv_connector = nouveau_connector(connector);
169 struct nouveau_encoder *nv_encoder;
170 struct device_node *cn, *dn = pci_device_to_OF_node(dev->pdev);
171
172 if (!dn ||
173 !((nv_encoder = find_encoder(connector, OUTPUT_TMDS)) ||
174 (nv_encoder = find_encoder(connector, OUTPUT_ANALOG))))
175 return NULL;
176
177 for_each_child_of_node(dn, cn) {
178 const char *name = of_get_property(cn, "name", NULL);
179 const void *edid = of_get_property(cn, "EDID", NULL);
180 int idx = name ? name[strlen(name) - 1] - 'A' : 0;
181
182 if (nv_encoder->dcb->i2c_index == idx && edid) {
183 nv_connector->edid =
184 kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
185 of_node_put(cn);
186 return nv_encoder;
187 }
188 }
189#endif
190 return NULL;
191}
192
193static void
194nouveau_connector_set_encoder(struct drm_connector *connector,
195 struct nouveau_encoder *nv_encoder)
196{
197 struct nouveau_connector *nv_connector = nouveau_connector(connector);
198 struct drm_nouveau_private *dev_priv = connector->dev->dev_private;
199 struct drm_device *dev = connector->dev;
200
201 if (nv_connector->detected_encoder == nv_encoder)
202 return;
203 nv_connector->detected_encoder = nv_encoder;
204
205 if (nv_encoder->dcb->type == OUTPUT_LVDS ||
206 nv_encoder->dcb->type == OUTPUT_TMDS) {
207 connector->doublescan_allowed = false;
208 connector->interlace_allowed = false;
209 } else {
210 connector->doublescan_allowed = true;
211 if (dev_priv->card_type == NV_20 ||
212 (dev_priv->card_type == NV_10 &&
213 (dev->pci_device & 0x0ff0) != 0x0100 &&
214 (dev->pci_device & 0x0ff0) != 0x0150))
215 /* HW is broken */
216 connector->interlace_allowed = false;
217 else
218 connector->interlace_allowed = true;
219 }
220
221 if (nv_connector->dcb->type == DCB_CONNECTOR_DVI_I) {
222 drm_connector_property_set_value(connector,
223 dev->mode_config.dvi_i_subconnector_property,
224 nv_encoder->dcb->type == OUTPUT_TMDS ?
225 DRM_MODE_SUBCONNECTOR_DVID :
226 DRM_MODE_SUBCONNECTOR_DVIA);
227 }
228}
229
230static enum drm_connector_status
231nouveau_connector_detect(struct drm_connector *connector, bool force)
232{
233 struct drm_device *dev = connector->dev;
234 struct nouveau_connector *nv_connector = nouveau_connector(connector);
235 struct nouveau_encoder *nv_encoder = NULL;
236 struct nouveau_encoder *nv_partner;
237 struct nouveau_i2c_chan *i2c;
238 int type;
239
240 /* Cleanup the previous EDID block. */
241 if (nv_connector->edid) {
242 drm_mode_connector_update_edid_property(connector, NULL);
243 kfree(nv_connector->edid);
244 nv_connector->edid = NULL;
245 }
246
247 i2c = nouveau_connector_ddc_detect(connector, &nv_encoder);
248 if (i2c) {
249 nv_connector->edid = drm_get_edid(connector, &i2c->adapter);
250 drm_mode_connector_update_edid_property(connector,
251 nv_connector->edid);
252 if (!nv_connector->edid) {
253 NV_ERROR(dev, "DDC responded, but no EDID for %s\n",
254 drm_get_connector_name(connector));
255 goto detect_analog;
256 }
257
258 if (nv_encoder->dcb->type == OUTPUT_DP &&
259 !nouveau_dp_detect(to_drm_encoder(nv_encoder))) {
260 NV_ERROR(dev, "Detected %s, but failed init\n",
261 drm_get_connector_name(connector));
262 return connector_status_disconnected;
263 }
264
265 /* Override encoder type for DVI-I based on whether EDID
266 * says the display is digital or analog, both use the
267 * same i2c channel so the value returned from ddc_detect
268 * isn't necessarily correct.
269 */
270 nv_partner = NULL;
271 if (nv_encoder->dcb->type == OUTPUT_TMDS)
272 nv_partner = find_encoder(connector, OUTPUT_ANALOG);
273 if (nv_encoder->dcb->type == OUTPUT_ANALOG)
274 nv_partner = find_encoder(connector, OUTPUT_TMDS);
275
276 if (nv_partner && ((nv_encoder->dcb->type == OUTPUT_ANALOG &&
277 nv_partner->dcb->type == OUTPUT_TMDS) ||
278 (nv_encoder->dcb->type == OUTPUT_TMDS &&
279 nv_partner->dcb->type == OUTPUT_ANALOG))) {
280 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL)
281 type = OUTPUT_TMDS;
282 else
283 type = OUTPUT_ANALOG;
284
285 nv_encoder = find_encoder(connector, type);
286 }
287
288 nouveau_connector_set_encoder(connector, nv_encoder);
289 return connector_status_connected;
290 }
291
292 nv_encoder = nouveau_connector_of_detect(connector);
293 if (nv_encoder) {
294 nouveau_connector_set_encoder(connector, nv_encoder);
295 return connector_status_connected;
296 }
297
298detect_analog:
299 nv_encoder = find_encoder(connector, OUTPUT_ANALOG);
300 if (!nv_encoder && !nouveau_tv_disable)
301 nv_encoder = find_encoder(connector, OUTPUT_TV);
302 if (nv_encoder && force) {
303 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
304 struct drm_encoder_helper_funcs *helper =
305 encoder->helper_private;
306
307 if (helper->detect(encoder, connector) ==
308 connector_status_connected) {
309 nouveau_connector_set_encoder(connector, nv_encoder);
310 return connector_status_connected;
311 }
312
313 }
314
315 return connector_status_disconnected;
316}
317
318static enum drm_connector_status
319nouveau_connector_detect_lvds(struct drm_connector *connector, bool force)
320{
321 struct drm_device *dev = connector->dev;
322 struct drm_nouveau_private *dev_priv = dev->dev_private;
323 struct nouveau_connector *nv_connector = nouveau_connector(connector);
324 struct nouveau_encoder *nv_encoder = NULL;
325 enum drm_connector_status status = connector_status_disconnected;
326
327 /* Cleanup the previous EDID block. */
328 if (nv_connector->edid) {
329 drm_mode_connector_update_edid_property(connector, NULL);
330 kfree(nv_connector->edid);
331 nv_connector->edid = NULL;
332 }
333
334 nv_encoder = find_encoder(connector, OUTPUT_LVDS);
335 if (!nv_encoder)
336 return connector_status_disconnected;
337
338 /* Try retrieving EDID via DDC */
339 if (!dev_priv->vbios.fp_no_ddc) {
340 status = nouveau_connector_detect(connector, force);
341 if (status == connector_status_connected)
342 goto out;
343 }
344
345 /* On some laptops (Sony, i'm looking at you) there appears to
346 * be no direct way of accessing the panel's EDID. The only
347 * option available to us appears to be to ask ACPI for help..
348 *
349 * It's important this check's before trying straps, one of the
350 * said manufacturer's laptops are configured in such a way
351 * the nouveau decides an entry in the VBIOS FP mode table is
352 * valid - it's not (rh#613284)
353 */
354 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) {
355 if (!nouveau_acpi_edid(dev, connector)) {
356 status = connector_status_connected;
357 goto out;
358 }
359 }
360
361 /* If no EDID found above, and the VBIOS indicates a hardcoded
362 * modeline is avalilable for the panel, set it as the panel's
363 * native mode and exit.
364 */
365 if (nouveau_bios_fp_mode(dev, NULL) && (dev_priv->vbios.fp_no_ddc ||
366 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) {
367 status = connector_status_connected;
368 goto out;
369 }
370
371 /* Still nothing, some VBIOS images have a hardcoded EDID block
372 * stored for the panel stored in them.
373 */
374 if (!dev_priv->vbios.fp_no_ddc) {
375 struct edid *edid =
376 (struct edid *)nouveau_bios_embedded_edid(dev);
377 if (edid) {
378 nv_connector->edid = kmalloc(EDID_LENGTH, GFP_KERNEL);
379 *(nv_connector->edid) = *edid;
380 status = connector_status_connected;
381 }
382 }
383
384out:
385#if defined(CONFIG_ACPI_BUTTON) || \
386 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE))
387 if (status == connector_status_connected &&
388 !nouveau_ignorelid && !acpi_lid_open())
389 status = connector_status_unknown;
390#endif
391
392 drm_mode_connector_update_edid_property(connector, nv_connector->edid);
393 nouveau_connector_set_encoder(connector, nv_encoder);
394 return status;
395}
396
397static void
398nouveau_connector_force(struct drm_connector *connector)
399{
400 struct nouveau_connector *nv_connector = nouveau_connector(connector);
401 struct nouveau_encoder *nv_encoder;
402 int type;
403
404 if (nv_connector->dcb->type == DCB_CONNECTOR_DVI_I) {
405 if (connector->force == DRM_FORCE_ON_DIGITAL)
406 type = OUTPUT_TMDS;
407 else
408 type = OUTPUT_ANALOG;
409 } else
410 type = OUTPUT_ANY;
411
412 nv_encoder = find_encoder(connector, type);
413 if (!nv_encoder) {
414 NV_ERROR(connector->dev, "can't find encoder to force %s on!\n",
415 drm_get_connector_name(connector));
416 connector->status = connector_status_disconnected;
417 return;
418 }
419
420 nouveau_connector_set_encoder(connector, nv_encoder);
421}
422
423static int
424nouveau_connector_set_property(struct drm_connector *connector,
425 struct drm_property *property, uint64_t value)
426{
427 struct nouveau_connector *nv_connector = nouveau_connector(connector);
428 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
429 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
430 struct drm_device *dev = connector->dev;
431 int ret;
432
433 /* Scaling mode */
434 if (property == dev->mode_config.scaling_mode_property) {
435 struct nouveau_crtc *nv_crtc = NULL;
436 bool modeset = false;
437
438 switch (value) {
439 case DRM_MODE_SCALE_NONE:
440 case DRM_MODE_SCALE_FULLSCREEN:
441 case DRM_MODE_SCALE_CENTER:
442 case DRM_MODE_SCALE_ASPECT:
443 break;
444 default:
445 return -EINVAL;
446 }
447
448 /* LVDS always needs gpu scaling */
449 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS &&
450 value == DRM_MODE_SCALE_NONE)
451 return -EINVAL;
452
453 /* Changing between GPU and panel scaling requires a full
454 * modeset
455 */
456 if ((nv_connector->scaling_mode == DRM_MODE_SCALE_NONE) ||
457 (value == DRM_MODE_SCALE_NONE))
458 modeset = true;
459 nv_connector->scaling_mode = value;
460
461 if (connector->encoder && connector->encoder->crtc)
462 nv_crtc = nouveau_crtc(connector->encoder->crtc);
463 if (!nv_crtc)
464 return 0;
465
466 if (modeset || !nv_crtc->set_scale) {
467 ret = drm_crtc_helper_set_mode(&nv_crtc->base,
468 &nv_crtc->base.mode,
469 nv_crtc->base.x,
470 nv_crtc->base.y, NULL);
471 if (!ret)
472 return -EINVAL;
473 } else {
474 ret = nv_crtc->set_scale(nv_crtc, value, true);
475 if (ret)
476 return ret;
477 }
478
479 return 0;
480 }
481
482 /* Dithering */
483 if (property == dev->mode_config.dithering_mode_property) {
484 struct nouveau_crtc *nv_crtc = NULL;
485
486 if (value == DRM_MODE_DITHERING_ON)
487 nv_connector->use_dithering = true;
488 else
489 nv_connector->use_dithering = false;
490
491 if (connector->encoder && connector->encoder->crtc)
492 nv_crtc = nouveau_crtc(connector->encoder->crtc);
493
494 if (!nv_crtc || !nv_crtc->set_dither)
495 return 0;
496
497 return nv_crtc->set_dither(nv_crtc, nv_connector->use_dithering,
498 true);
499 }
500
501 if (nv_encoder && nv_encoder->dcb->type == OUTPUT_TV)
502 return get_slave_funcs(encoder)->set_property(
503 encoder, connector, property, value);
504
505 return -EINVAL;
506}
507
508static struct drm_display_mode *
509nouveau_connector_native_mode(struct drm_connector *connector)
510{
511 struct drm_connector_helper_funcs *helper = connector->helper_private;
512 struct nouveau_connector *nv_connector = nouveau_connector(connector);
513 struct drm_device *dev = connector->dev;
514 struct drm_display_mode *mode, *largest = NULL;
515 int high_w = 0, high_h = 0, high_v = 0;
516
517 list_for_each_entry(mode, &nv_connector->base.probed_modes, head) {
518 mode->vrefresh = drm_mode_vrefresh(mode);
519 if (helper->mode_valid(connector, mode) != MODE_OK ||
520 (mode->flags & DRM_MODE_FLAG_INTERLACE))
521 continue;
522
523 /* Use preferred mode if there is one.. */
524 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
525 NV_DEBUG_KMS(dev, "native mode from preferred\n");
526 return drm_mode_duplicate(dev, mode);
527 }
528
529 /* Otherwise, take the resolution with the largest width, then
530 * height, then vertical refresh
531 */
532 if (mode->hdisplay < high_w)
533 continue;
534
535 if (mode->hdisplay == high_w && mode->vdisplay < high_h)
536 continue;
537
538 if (mode->hdisplay == high_w && mode->vdisplay == high_h &&
539 mode->vrefresh < high_v)
540 continue;
541
542 high_w = mode->hdisplay;
543 high_h = mode->vdisplay;
544 high_v = mode->vrefresh;
545 largest = mode;
546 }
547
548 NV_DEBUG_KMS(dev, "native mode from largest: %dx%d@%d\n",
549 high_w, high_h, high_v);
550 return largest ? drm_mode_duplicate(dev, largest) : NULL;
551}
552
553struct moderec {
554 int hdisplay;
555 int vdisplay;
556};
557
558static struct moderec scaler_modes[] = {
559 { 1920, 1200 },
560 { 1920, 1080 },
561 { 1680, 1050 },
562 { 1600, 1200 },
563 { 1400, 1050 },
564 { 1280, 1024 },
565 { 1280, 960 },
566 { 1152, 864 },
567 { 1024, 768 },
568 { 800, 600 },
569 { 720, 400 },
570 { 640, 480 },
571 { 640, 400 },
572 { 640, 350 },
573 {}
574};
575
576static int
577nouveau_connector_scaler_modes_add(struct drm_connector *connector)
578{
579 struct nouveau_connector *nv_connector = nouveau_connector(connector);
580 struct drm_display_mode *native = nv_connector->native_mode, *m;
581 struct drm_device *dev = connector->dev;
582 struct moderec *mode = &scaler_modes[0];
583 int modes = 0;
584
585 if (!native)
586 return 0;
587
588 while (mode->hdisplay) {
589 if (mode->hdisplay <= native->hdisplay &&
590 mode->vdisplay <= native->vdisplay) {
591 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay,
592 drm_mode_vrefresh(native), false,
593 false, false);
594 if (!m)
595 continue;
596
597 m->type |= DRM_MODE_TYPE_DRIVER;
598
599 drm_mode_probed_add(connector, m);
600 modes++;
601 }
602
603 mode++;
604 }
605
606 return modes;
607}
608
609static int
610nouveau_connector_get_modes(struct drm_connector *connector)
611{
612 struct drm_device *dev = connector->dev;
613 struct drm_nouveau_private *dev_priv = dev->dev_private;
614 struct nouveau_connector *nv_connector = nouveau_connector(connector);
615 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
616 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
617 int ret = 0;
618
619 /* destroy the native mode, the attached monitor could have changed.
620 */
621 if (nv_connector->native_mode) {
622 drm_mode_destroy(dev, nv_connector->native_mode);
623 nv_connector->native_mode = NULL;
624 }
625
626 if (nv_connector->edid)
627 ret = drm_add_edid_modes(connector, nv_connector->edid);
628 else
629 if (nv_encoder->dcb->type == OUTPUT_LVDS &&
630 (nv_encoder->dcb->lvdsconf.use_straps_for_mode ||
631 dev_priv->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) {
632 struct drm_display_mode mode;
633
634 nouveau_bios_fp_mode(dev, &mode);
635 nv_connector->native_mode = drm_mode_duplicate(dev, &mode);
636 }
637
638 /* Find the native mode if this is a digital panel, if we didn't
639 * find any modes through DDC previously add the native mode to
640 * the list of modes.
641 */
642 if (!nv_connector->native_mode)
643 nv_connector->native_mode =
644 nouveau_connector_native_mode(connector);
645 if (ret == 0 && nv_connector->native_mode) {
646 struct drm_display_mode *mode;
647
648 mode = drm_mode_duplicate(dev, nv_connector->native_mode);
649 drm_mode_probed_add(connector, mode);
650 ret = 1;
651 }
652
653 if (nv_encoder->dcb->type == OUTPUT_TV)
654 ret = get_slave_funcs(encoder)->get_modes(encoder, connector);
655
656 if (nv_connector->dcb->type == DCB_CONNECTOR_LVDS ||
657 nv_connector->dcb->type == DCB_CONNECTOR_LVDS_SPWG ||
658 nv_connector->dcb->type == DCB_CONNECTOR_eDP)
659 ret += nouveau_connector_scaler_modes_add(connector);
660
661 return ret;
662}
663
664static unsigned
665get_tmds_link_bandwidth(struct drm_connector *connector)
666{
667 struct nouveau_connector *nv_connector = nouveau_connector(connector);
668 struct drm_nouveau_private *dev_priv = connector->dev->dev_private;
669 struct dcb_entry *dcb = nv_connector->detected_encoder->dcb;
670
671 if (dcb->location != DCB_LOC_ON_CHIP ||
672 dev_priv->chipset >= 0x46)
673 return 165000;
674 else if (dev_priv->chipset >= 0x40)
675 return 155000;
676 else if (dev_priv->chipset >= 0x18)
677 return 135000;
678 else
679 return 112000;
680}
681
682static int
683nouveau_connector_mode_valid(struct drm_connector *connector,
684 struct drm_display_mode *mode)
685{
686 struct nouveau_connector *nv_connector = nouveau_connector(connector);
687 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
688 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
689 unsigned min_clock = 25000, max_clock = min_clock;
690 unsigned clock = mode->clock;
691
692 switch (nv_encoder->dcb->type) {
693 case OUTPUT_LVDS:
694 if (nv_connector->native_mode &&
695 (mode->hdisplay > nv_connector->native_mode->hdisplay ||
696 mode->vdisplay > nv_connector->native_mode->vdisplay))
697 return MODE_PANEL;
698
699 min_clock = 0;
700 max_clock = 400000;
701 break;
702 case OUTPUT_TMDS:
703 max_clock = get_tmds_link_bandwidth(connector);
704 if (nouveau_duallink && nv_encoder->dcb->duallink_possible)
705 max_clock *= 2;
706 break;
707 case OUTPUT_ANALOG:
708 max_clock = nv_encoder->dcb->crtconf.maxfreq;
709 if (!max_clock)
710 max_clock = 350000;
711 break;
712 case OUTPUT_TV:
713 return get_slave_funcs(encoder)->mode_valid(encoder, mode);
714 case OUTPUT_DP:
715 if (nv_encoder->dp.link_bw == DP_LINK_BW_2_7)
716 max_clock = nv_encoder->dp.link_nr * 270000;
717 else
718 max_clock = nv_encoder->dp.link_nr * 162000;
719
720 clock = clock * nouveau_connector_bpp(connector) / 8;
721 break;
722 default:
723 BUG_ON(1);
724 return MODE_BAD;
725 }
726
727 if (clock < min_clock)
728 return MODE_CLOCK_LOW;
729
730 if (clock > max_clock)
731 return MODE_CLOCK_HIGH;
732
733 return MODE_OK;
734}
735
736static struct drm_encoder *
737nouveau_connector_best_encoder(struct drm_connector *connector)
738{
739 struct nouveau_connector *nv_connector = nouveau_connector(connector);
740
741 if (nv_connector->detected_encoder)
742 return to_drm_encoder(nv_connector->detected_encoder);
743
744 return NULL;
745}
746
747static const struct drm_connector_helper_funcs
748nouveau_connector_helper_funcs = {
749 .get_modes = nouveau_connector_get_modes,
750 .mode_valid = nouveau_connector_mode_valid,
751 .best_encoder = nouveau_connector_best_encoder,
752};
753
754static const struct drm_connector_funcs
755nouveau_connector_funcs = {
756 .dpms = drm_helper_connector_dpms,
757 .save = NULL,
758 .restore = NULL,
759 .detect = nouveau_connector_detect,
760 .destroy = nouveau_connector_destroy,
761 .fill_modes = drm_helper_probe_single_connector_modes,
762 .set_property = nouveau_connector_set_property,
763 .force = nouveau_connector_force
764};
765
766static const struct drm_connector_funcs
767nouveau_connector_funcs_lvds = {
768 .dpms = drm_helper_connector_dpms,
769 .save = NULL,
770 .restore = NULL,
771 .detect = nouveau_connector_detect_lvds,
772 .destroy = nouveau_connector_destroy,
773 .fill_modes = drm_helper_probe_single_connector_modes,
774 .set_property = nouveau_connector_set_property,
775 .force = nouveau_connector_force
776};
777
778struct drm_connector *
779nouveau_connector_create(struct drm_device *dev, int index)
780{
781 const struct drm_connector_funcs *funcs = &nouveau_connector_funcs;
782 struct drm_nouveau_private *dev_priv = dev->dev_private;
783 struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
784 struct nouveau_connector *nv_connector = NULL;
785 struct dcb_connector_table_entry *dcb = NULL;
786 struct drm_connector *connector;
787 int type, ret = 0;
788
789 NV_DEBUG_KMS(dev, "\n");
790
791 if (index >= dev_priv->vbios.dcb.connector.entries)
792 return ERR_PTR(-EINVAL);
793
794 dcb = &dev_priv->vbios.dcb.connector.entry[index];
795 if (dcb->drm)
796 return dcb->drm;
797
798 switch (dcb->type) {
799 case DCB_CONNECTOR_VGA:
800 type = DRM_MODE_CONNECTOR_VGA;
801 break;
802 case DCB_CONNECTOR_TV_0:
803 case DCB_CONNECTOR_TV_1:
804 case DCB_CONNECTOR_TV_3:
805 type = DRM_MODE_CONNECTOR_TV;
806 break;
807 case DCB_CONNECTOR_DVI_I:
808 type = DRM_MODE_CONNECTOR_DVII;
809 break;
810 case DCB_CONNECTOR_DVI_D:
811 type = DRM_MODE_CONNECTOR_DVID;
812 break;
813 case DCB_CONNECTOR_HDMI_0:
814 case DCB_CONNECTOR_HDMI_1:
815 type = DRM_MODE_CONNECTOR_HDMIA;
816 break;
817 case DCB_CONNECTOR_LVDS:
818 case DCB_CONNECTOR_LVDS_SPWG:
819 type = DRM_MODE_CONNECTOR_LVDS;
820 funcs = &nouveau_connector_funcs_lvds;
821 break;
822 case DCB_CONNECTOR_DP:
823 type = DRM_MODE_CONNECTOR_DisplayPort;
824 break;
825 case DCB_CONNECTOR_eDP:
826 type = DRM_MODE_CONNECTOR_eDP;
827 break;
828 default:
829 NV_ERROR(dev, "unknown connector type: 0x%02x!!\n", dcb->type);
830 return ERR_PTR(-EINVAL);
831 }
832
833 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL);
834 if (!nv_connector)
835 return ERR_PTR(-ENOMEM);
836 nv_connector->dcb = dcb;
837 connector = &nv_connector->base;
838
839 /* defaults, will get overridden in detect() */
840 connector->interlace_allowed = false;
841 connector->doublescan_allowed = false;
842
843 drm_connector_init(dev, connector, funcs, type);
844 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs);
845
846 /* Check if we need dithering enabled */
847 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
848 bool dummy, is_24bit = false;
849
850 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &is_24bit);
851 if (ret) {
852 NV_ERROR(dev, "Error parsing LVDS table, disabling "
853 "LVDS\n");
854 goto fail;
855 }
856
857 nv_connector->use_dithering = !is_24bit;
858 }
859
860 /* Init DVI-I specific properties */
861 if (dcb->type == DCB_CONNECTOR_DVI_I) {
862 drm_mode_create_dvi_i_properties(dev);
863 drm_connector_attach_property(connector, dev->mode_config.dvi_i_subconnector_property, 0);
864 drm_connector_attach_property(connector, dev->mode_config.dvi_i_select_subconnector_property, 0);
865 }
866
867 switch (dcb->type) {
868 case DCB_CONNECTOR_VGA:
869 if (dev_priv->card_type >= NV_50) {
870 drm_connector_attach_property(connector,
871 dev->mode_config.scaling_mode_property,
872 nv_connector->scaling_mode);
873 }
874 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
875 /* fall-through */
876 case DCB_CONNECTOR_TV_0:
877 case DCB_CONNECTOR_TV_1:
878 case DCB_CONNECTOR_TV_3:
879 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
880 break;
881 default:
882 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
883
884 drm_connector_attach_property(connector,
885 dev->mode_config.scaling_mode_property,
886 nv_connector->scaling_mode);
887 drm_connector_attach_property(connector,
888 dev->mode_config.dithering_mode_property,
889 nv_connector->use_dithering ?
890 DRM_MODE_DITHERING_ON : DRM_MODE_DITHERING_OFF);
891
892 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS) {
893 if (dev_priv->card_type >= NV_50)
894 connector->polled = DRM_CONNECTOR_POLL_HPD;
895 else
896 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
897 }
898 break;
899 }
900
901 if (pgpio->irq_register) {
902 pgpio->irq_register(dev, nv_connector->dcb->gpio_tag,
903 nouveau_connector_hotplug, connector);
904 }
905
906 drm_sysfs_connector_add(connector);
907
908 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS ||
909 connector->connector_type == DRM_MODE_CONNECTOR_eDP)
910 nouveau_backlight_init(connector);
911
912 dcb->drm = connector;
913 return dcb->drm;
914
915fail:
916 drm_connector_cleanup(connector);
917 kfree(connector);
918 return ERR_PTR(ret);
919
920}
921
922static void
923nouveau_connector_hotplug(void *data, int plugged)
924{
925 struct drm_connector *connector = data;
926 struct drm_device *dev = connector->dev;
927
928 NV_INFO(dev, "%splugged %s\n", plugged ? "" : "un",
929 drm_get_connector_name(connector));
930
931 if (connector->encoder && connector->encoder->crtc &&
932 connector->encoder->crtc->enabled) {
933 struct nouveau_encoder *nv_encoder = nouveau_encoder(connector->encoder);
934 struct drm_encoder_helper_funcs *helper =
935 connector->encoder->helper_private;
936
937 if (nv_encoder->dcb->type == OUTPUT_DP) {
938 if (plugged)
939 helper->dpms(connector->encoder, DRM_MODE_DPMS_ON);
940 else
941 helper->dpms(connector->encoder, DRM_MODE_DPMS_OFF);
942 }
943 }
944
945 drm_helper_hpd_irq_event(dev);
946}
1/*
2 * Copyright (C) 2008 Maarten Maathuis.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 *
25 */
26
27#include <acpi/button.h>
28
29#include <linux/pm_runtime.h>
30#include <linux/vga_switcheroo.h>
31
32#include <drm/drm_atomic_helper.h>
33#include <drm/drm_edid.h>
34#include <drm/drm_crtc_helper.h>
35#include <drm/drm_probe_helper.h>
36#include <drm/drm_atomic.h>
37
38#include "nouveau_reg.h"
39#include "nouveau_drv.h"
40#include "dispnv04/hw.h"
41#include "dispnv50/disp.h"
42#include "nouveau_acpi.h"
43
44#include "nouveau_display.h"
45#include "nouveau_connector.h"
46#include "nouveau_encoder.h"
47#include "nouveau_crtc.h"
48
49#include <nvif/class.h>
50#include <nvif/cl0046.h>
51#include <nvif/event.h>
52
53struct drm_display_mode *
54nouveau_conn_native_mode(struct drm_connector *connector)
55{
56 const struct drm_connector_helper_funcs *helper = connector->helper_private;
57 struct nouveau_drm *drm = nouveau_drm(connector->dev);
58 struct drm_device *dev = connector->dev;
59 struct drm_display_mode *mode, *largest = NULL;
60 int high_w = 0, high_h = 0, high_v = 0;
61
62 list_for_each_entry(mode, &connector->probed_modes, head) {
63 if (helper->mode_valid(connector, mode) != MODE_OK ||
64 (mode->flags & DRM_MODE_FLAG_INTERLACE))
65 continue;
66
67 /* Use preferred mode if there is one.. */
68 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
69 NV_DEBUG(drm, "native mode from preferred\n");
70 return drm_mode_duplicate(dev, mode);
71 }
72
73 /* Otherwise, take the resolution with the largest width, then
74 * height, then vertical refresh
75 */
76 if (mode->hdisplay < high_w)
77 continue;
78
79 if (mode->hdisplay == high_w && mode->vdisplay < high_h)
80 continue;
81
82 if (mode->hdisplay == high_w && mode->vdisplay == high_h &&
83 drm_mode_vrefresh(mode) < high_v)
84 continue;
85
86 high_w = mode->hdisplay;
87 high_h = mode->vdisplay;
88 high_v = drm_mode_vrefresh(mode);
89 largest = mode;
90 }
91
92 NV_DEBUG(drm, "native mode from largest: %dx%d@%d\n",
93 high_w, high_h, high_v);
94 return largest ? drm_mode_duplicate(dev, largest) : NULL;
95}
96
97int
98nouveau_conn_atomic_get_property(struct drm_connector *connector,
99 const struct drm_connector_state *state,
100 struct drm_property *property, u64 *val)
101{
102 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state);
103 struct nouveau_display *disp = nouveau_display(connector->dev);
104 struct drm_device *dev = connector->dev;
105
106 if (property == dev->mode_config.scaling_mode_property)
107 *val = asyc->scaler.mode;
108 else if (property == disp->underscan_property)
109 *val = asyc->scaler.underscan.mode;
110 else if (property == disp->underscan_hborder_property)
111 *val = asyc->scaler.underscan.hborder;
112 else if (property == disp->underscan_vborder_property)
113 *val = asyc->scaler.underscan.vborder;
114 else if (property == disp->dithering_mode)
115 *val = asyc->dither.mode;
116 else if (property == disp->dithering_depth)
117 *val = asyc->dither.depth;
118 else if (property == disp->vibrant_hue_property)
119 *val = asyc->procamp.vibrant_hue;
120 else if (property == disp->color_vibrance_property)
121 *val = asyc->procamp.color_vibrance;
122 else
123 return -EINVAL;
124
125 return 0;
126}
127
128int
129nouveau_conn_atomic_set_property(struct drm_connector *connector,
130 struct drm_connector_state *state,
131 struct drm_property *property, u64 val)
132{
133 struct drm_device *dev = connector->dev;
134 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state);
135 struct nouveau_display *disp = nouveau_display(dev);
136
137 if (property == dev->mode_config.scaling_mode_property) {
138 switch (val) {
139 case DRM_MODE_SCALE_NONE:
140 /* We allow 'None' for EDID modes, even on a fixed
141 * panel (some exist with support for lower refresh
142 * rates, which people might want to use for power-
143 * saving purposes).
144 *
145 * Non-EDID modes will force the use of GPU scaling
146 * to the native mode regardless of this setting.
147 */
148 switch (connector->connector_type) {
149 case DRM_MODE_CONNECTOR_LVDS:
150 case DRM_MODE_CONNECTOR_eDP:
151 /* ... except prior to G80, where the code
152 * doesn't support such things.
153 */
154 if (disp->disp.object.oclass < NV50_DISP)
155 return -EINVAL;
156 break;
157 default:
158 break;
159 }
160 break;
161 case DRM_MODE_SCALE_FULLSCREEN:
162 case DRM_MODE_SCALE_CENTER:
163 case DRM_MODE_SCALE_ASPECT:
164 break;
165 default:
166 return -EINVAL;
167 }
168
169 if (asyc->scaler.mode != val) {
170 asyc->scaler.mode = val;
171 asyc->set.scaler = true;
172 }
173 } else
174 if (property == disp->underscan_property) {
175 if (asyc->scaler.underscan.mode != val) {
176 asyc->scaler.underscan.mode = val;
177 asyc->set.scaler = true;
178 }
179 } else
180 if (property == disp->underscan_hborder_property) {
181 if (asyc->scaler.underscan.hborder != val) {
182 asyc->scaler.underscan.hborder = val;
183 asyc->set.scaler = true;
184 }
185 } else
186 if (property == disp->underscan_vborder_property) {
187 if (asyc->scaler.underscan.vborder != val) {
188 asyc->scaler.underscan.vborder = val;
189 asyc->set.scaler = true;
190 }
191 } else
192 if (property == disp->dithering_mode) {
193 if (asyc->dither.mode != val) {
194 asyc->dither.mode = val;
195 asyc->set.dither = true;
196 }
197 } else
198 if (property == disp->dithering_depth) {
199 if (asyc->dither.mode != val) {
200 asyc->dither.depth = val;
201 asyc->set.dither = true;
202 }
203 } else
204 if (property == disp->vibrant_hue_property) {
205 if (asyc->procamp.vibrant_hue != val) {
206 asyc->procamp.vibrant_hue = val;
207 asyc->set.procamp = true;
208 }
209 } else
210 if (property == disp->color_vibrance_property) {
211 if (asyc->procamp.color_vibrance != val) {
212 asyc->procamp.color_vibrance = val;
213 asyc->set.procamp = true;
214 }
215 } else {
216 return -EINVAL;
217 }
218
219 return 0;
220}
221
222void
223nouveau_conn_atomic_destroy_state(struct drm_connector *connector,
224 struct drm_connector_state *state)
225{
226 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state);
227 __drm_atomic_helper_connector_destroy_state(&asyc->state);
228 kfree(asyc);
229}
230
231struct drm_connector_state *
232nouveau_conn_atomic_duplicate_state(struct drm_connector *connector)
233{
234 struct nouveau_conn_atom *armc = nouveau_conn_atom(connector->state);
235 struct nouveau_conn_atom *asyc;
236 if (!(asyc = kmalloc(sizeof(*asyc), GFP_KERNEL)))
237 return NULL;
238 __drm_atomic_helper_connector_duplicate_state(connector, &asyc->state);
239 asyc->dither = armc->dither;
240 asyc->scaler = armc->scaler;
241 asyc->procamp = armc->procamp;
242 asyc->set.mask = 0;
243 return &asyc->state;
244}
245
246void
247nouveau_conn_reset(struct drm_connector *connector)
248{
249 struct nouveau_connector *nv_connector = nouveau_connector(connector);
250 struct nouveau_conn_atom *asyc;
251
252 if (drm_drv_uses_atomic_modeset(connector->dev)) {
253 if (WARN_ON(!(asyc = kzalloc(sizeof(*asyc), GFP_KERNEL))))
254 return;
255
256 if (connector->state)
257 nouveau_conn_atomic_destroy_state(connector,
258 connector->state);
259
260 __drm_atomic_helper_connector_reset(connector, &asyc->state);
261 } else {
262 asyc = &nv_connector->properties_state;
263 }
264
265 asyc->dither.mode = DITHERING_MODE_AUTO;
266 asyc->dither.depth = DITHERING_DEPTH_AUTO;
267 asyc->scaler.mode = DRM_MODE_SCALE_NONE;
268 asyc->scaler.underscan.mode = UNDERSCAN_OFF;
269 asyc->procamp.color_vibrance = 150;
270 asyc->procamp.vibrant_hue = 90;
271
272 if (nouveau_display(connector->dev)->disp.object.oclass < NV50_DISP) {
273 switch (connector->connector_type) {
274 case DRM_MODE_CONNECTOR_LVDS:
275 /* See note in nouveau_conn_atomic_set_property(). */
276 asyc->scaler.mode = DRM_MODE_SCALE_FULLSCREEN;
277 break;
278 default:
279 break;
280 }
281 }
282}
283
284void
285nouveau_conn_attach_properties(struct drm_connector *connector)
286{
287 struct drm_device *dev = connector->dev;
288 struct nouveau_display *disp = nouveau_display(dev);
289 struct nouveau_connector *nv_connector = nouveau_connector(connector);
290 struct nouveau_conn_atom *armc;
291
292 if (drm_drv_uses_atomic_modeset(connector->dev))
293 armc = nouveau_conn_atom(connector->state);
294 else
295 armc = &nv_connector->properties_state;
296
297 /* Init DVI-I specific properties. */
298 if (connector->connector_type == DRM_MODE_CONNECTOR_DVII)
299 drm_object_attach_property(&connector->base, dev->mode_config.
300 dvi_i_subconnector_property, 0);
301
302 /* Add overscan compensation options to digital outputs. */
303 if (disp->underscan_property &&
304 (connector->connector_type == DRM_MODE_CONNECTOR_DVID ||
305 connector->connector_type == DRM_MODE_CONNECTOR_DVII ||
306 connector->connector_type == DRM_MODE_CONNECTOR_HDMIA ||
307 connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)) {
308 drm_object_attach_property(&connector->base,
309 disp->underscan_property,
310 UNDERSCAN_OFF);
311 drm_object_attach_property(&connector->base,
312 disp->underscan_hborder_property, 0);
313 drm_object_attach_property(&connector->base,
314 disp->underscan_vborder_property, 0);
315 }
316
317 /* Add hue and saturation options. */
318 if (disp->vibrant_hue_property)
319 drm_object_attach_property(&connector->base,
320 disp->vibrant_hue_property,
321 armc->procamp.vibrant_hue);
322 if (disp->color_vibrance_property)
323 drm_object_attach_property(&connector->base,
324 disp->color_vibrance_property,
325 armc->procamp.color_vibrance);
326
327 /* Scaling mode property. */
328 switch (connector->connector_type) {
329 case DRM_MODE_CONNECTOR_TV:
330 break;
331 case DRM_MODE_CONNECTOR_VGA:
332 if (disp->disp.object.oclass < NV50_DISP)
333 break; /* Can only scale on DFPs. */
334 fallthrough;
335 default:
336 drm_object_attach_property(&connector->base, dev->mode_config.
337 scaling_mode_property,
338 armc->scaler.mode);
339 break;
340 }
341
342 /* Dithering properties. */
343 switch (connector->connector_type) {
344 case DRM_MODE_CONNECTOR_TV:
345 case DRM_MODE_CONNECTOR_VGA:
346 break;
347 default:
348 if (disp->dithering_mode) {
349 drm_object_attach_property(&connector->base,
350 disp->dithering_mode,
351 armc->dither.mode);
352 }
353 if (disp->dithering_depth) {
354 drm_object_attach_property(&connector->base,
355 disp->dithering_depth,
356 armc->dither.depth);
357 }
358 break;
359 }
360}
361
362MODULE_PARM_DESC(tv_disable, "Disable TV-out detection");
363int nouveau_tv_disable = 0;
364module_param_named(tv_disable, nouveau_tv_disable, int, 0400);
365
366MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status");
367int nouveau_ignorelid = 0;
368module_param_named(ignorelid, nouveau_ignorelid, int, 0400);
369
370MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (default: enabled)");
371int nouveau_duallink = 1;
372module_param_named(duallink, nouveau_duallink, int, 0400);
373
374MODULE_PARM_DESC(hdmimhz, "Force a maximum HDMI pixel clock (in MHz)");
375int nouveau_hdmimhz = 0;
376module_param_named(hdmimhz, nouveau_hdmimhz, int, 0400);
377
378struct nouveau_encoder *
379find_encoder(struct drm_connector *connector, int type)
380{
381 struct nouveau_encoder *nv_encoder;
382 struct drm_encoder *enc;
383
384 drm_connector_for_each_possible_encoder(connector, enc) {
385 nv_encoder = nouveau_encoder(enc);
386
387 if (type == DCB_OUTPUT_ANY ||
388 (nv_encoder->dcb && nv_encoder->dcb->type == type))
389 return nv_encoder;
390 }
391
392 return NULL;
393}
394
395static void
396nouveau_connector_destroy(struct drm_connector *connector)
397{
398 struct nouveau_connector *nv_connector = nouveau_connector(connector);
399 nvif_notify_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 kfree(nv_connector->aux.name);
406 }
407 kfree(connector);
408}
409
410static struct nouveau_encoder *
411nouveau_connector_ddc_detect(struct drm_connector *connector)
412{
413 struct drm_device *dev = connector->dev;
414 struct pci_dev *pdev = to_pci_dev(dev->dev);
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 switch (nv_encoder->dcb->type) {
424 case DCB_OUTPUT_DP:
425 ret = nouveau_dp_detect(nouveau_connector(connector),
426 nv_encoder);
427 if (ret == NOUVEAU_DP_MST)
428 return NULL;
429 else if (ret == NOUVEAU_DP_SST)
430 found = nv_encoder;
431
432 break;
433 case DCB_OUTPUT_LVDS:
434 switcheroo_ddc = !!(vga_switcheroo_handler_flags() &
435 VGA_SWITCHEROO_CAN_SWITCH_DDC);
436 fallthrough;
437 default:
438 if (!nv_encoder->i2c)
439 break;
440
441 if (switcheroo_ddc)
442 vga_switcheroo_lock_ddc(pdev);
443 if (nvkm_probe_i2c(nv_encoder->i2c, 0x50))
444 found = nv_encoder;
445 if (switcheroo_ddc)
446 vga_switcheroo_unlock_ddc(pdev);
447
448 break;
449 }
450 if (found)
451 break;
452 }
453
454 return found;
455}
456
457static struct nouveau_encoder *
458nouveau_connector_of_detect(struct drm_connector *connector)
459{
460#ifdef __powerpc__
461 struct drm_device *dev = connector->dev;
462 struct nouveau_connector *nv_connector = nouveau_connector(connector);
463 struct nouveau_encoder *nv_encoder;
464 struct pci_dev *pdev = to_pci_dev(dev->dev);
465 struct device_node *cn, *dn = pci_device_to_OF_node(pdev);
466
467 if (!dn ||
468 !((nv_encoder = find_encoder(connector, DCB_OUTPUT_TMDS)) ||
469 (nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG))))
470 return NULL;
471
472 for_each_child_of_node(dn, cn) {
473 const char *name = of_get_property(cn, "name", NULL);
474 const void *edid = of_get_property(cn, "EDID", NULL);
475 int idx = name ? name[strlen(name) - 1] - 'A' : 0;
476
477 if (nv_encoder->dcb->i2c_index == idx && edid) {
478 nv_connector->edid =
479 kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
480 of_node_put(cn);
481 return nv_encoder;
482 }
483 }
484#endif
485 return NULL;
486}
487
488static void
489nouveau_connector_set_encoder(struct drm_connector *connector,
490 struct nouveau_encoder *nv_encoder)
491{
492 struct nouveau_connector *nv_connector = nouveau_connector(connector);
493 struct nouveau_drm *drm = nouveau_drm(connector->dev);
494 struct drm_device *dev = connector->dev;
495 struct pci_dev *pdev = to_pci_dev(dev->dev);
496
497 if (nv_connector->detected_encoder == nv_encoder)
498 return;
499 nv_connector->detected_encoder = nv_encoder;
500
501 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
502 if (nv_encoder->dcb->type == DCB_OUTPUT_DP)
503 connector->interlace_allowed =
504 nv_encoder->caps.dp_interlace;
505 else
506 connector->interlace_allowed = true;
507 connector->doublescan_allowed = true;
508 } else
509 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS ||
510 nv_encoder->dcb->type == DCB_OUTPUT_TMDS) {
511 connector->doublescan_allowed = false;
512 connector->interlace_allowed = false;
513 } else {
514 connector->doublescan_allowed = true;
515 if (drm->client.device.info.family == NV_DEVICE_INFO_V0_KELVIN ||
516 (drm->client.device.info.family == NV_DEVICE_INFO_V0_CELSIUS &&
517 (pdev->device & 0x0ff0) != 0x0100 &&
518 (pdev->device & 0x0ff0) != 0x0150))
519 /* HW is broken */
520 connector->interlace_allowed = false;
521 else
522 connector->interlace_allowed = true;
523 }
524
525 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
526 drm_object_property_set_value(&connector->base,
527 dev->mode_config.dvi_i_subconnector_property,
528 nv_encoder->dcb->type == DCB_OUTPUT_TMDS ?
529 DRM_MODE_SUBCONNECTOR_DVID :
530 DRM_MODE_SUBCONNECTOR_DVIA);
531 }
532}
533
534static void
535nouveau_connector_set_edid(struct nouveau_connector *nv_connector,
536 struct edid *edid)
537{
538 if (nv_connector->edid != edid) {
539 struct edid *old_edid = nv_connector->edid;
540
541 drm_connector_update_edid_property(&nv_connector->base, edid);
542 kfree(old_edid);
543 nv_connector->edid = edid;
544 }
545}
546
547static enum drm_connector_status
548nouveau_connector_detect(struct drm_connector *connector, bool force)
549{
550 struct drm_device *dev = connector->dev;
551 struct nouveau_drm *drm = nouveau_drm(dev);
552 struct nouveau_connector *nv_connector = nouveau_connector(connector);
553 struct nouveau_encoder *nv_encoder = NULL;
554 struct nouveau_encoder *nv_partner;
555 struct i2c_adapter *i2c;
556 int type;
557 int ret;
558 enum drm_connector_status conn_status = connector_status_disconnected;
559
560 /* Outputs are only polled while runtime active, so resuming the
561 * device here is unnecessary (and would deadlock upon runtime suspend
562 * because it waits for polling to finish). We do however, want to
563 * prevent the autosuspend timer from elapsing during this operation
564 * if possible.
565 */
566 if (drm_kms_helper_is_poll_worker()) {
567 pm_runtime_get_noresume(dev->dev);
568 } else {
569 ret = pm_runtime_get_sync(dev->dev);
570 if (ret < 0 && ret != -EACCES) {
571 pm_runtime_put_autosuspend(dev->dev);
572 nouveau_connector_set_edid(nv_connector, NULL);
573 return conn_status;
574 }
575 }
576
577 nv_encoder = nouveau_connector_ddc_detect(connector);
578 if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) {
579 struct edid *new_edid;
580
581 if ((vga_switcheroo_handler_flags() &
582 VGA_SWITCHEROO_CAN_SWITCH_DDC) &&
583 nv_connector->type == DCB_CONNECTOR_LVDS)
584 new_edid = drm_get_edid_switcheroo(connector, i2c);
585 else
586 new_edid = drm_get_edid(connector, i2c);
587
588 nouveau_connector_set_edid(nv_connector, new_edid);
589 if (!nv_connector->edid) {
590 NV_ERROR(drm, "DDC responded, but no EDID for %s\n",
591 connector->name);
592 goto detect_analog;
593 }
594
595 /* Override encoder type for DVI-I based on whether EDID
596 * says the display is digital or analog, both use the
597 * same i2c channel so the value returned from ddc_detect
598 * isn't necessarily correct.
599 */
600 nv_partner = NULL;
601 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS)
602 nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG);
603 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG)
604 nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS);
605
606 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG &&
607 nv_partner->dcb->type == DCB_OUTPUT_TMDS) ||
608 (nv_encoder->dcb->type == DCB_OUTPUT_TMDS &&
609 nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) {
610 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL)
611 type = DCB_OUTPUT_TMDS;
612 else
613 type = DCB_OUTPUT_ANALOG;
614
615 nv_encoder = find_encoder(connector, type);
616 }
617
618 nouveau_connector_set_encoder(connector, nv_encoder);
619 conn_status = connector_status_connected;
620 drm_dp_cec_set_edid(&nv_connector->aux, nv_connector->edid);
621 goto out;
622 } else {
623 nouveau_connector_set_edid(nv_connector, NULL);
624 }
625
626 nv_encoder = nouveau_connector_of_detect(connector);
627 if (nv_encoder) {
628 nouveau_connector_set_encoder(connector, nv_encoder);
629 conn_status = connector_status_connected;
630 goto out;
631 }
632
633detect_analog:
634 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG);
635 if (!nv_encoder && !nouveau_tv_disable)
636 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV);
637 if (nv_encoder && force) {
638 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
639 const struct drm_encoder_helper_funcs *helper =
640 encoder->helper_private;
641
642 if (helper->detect(encoder, connector) ==
643 connector_status_connected) {
644 nouveau_connector_set_encoder(connector, nv_encoder);
645 conn_status = connector_status_connected;
646 goto out;
647 }
648 }
649
650 out:
651 if (!nv_connector->edid)
652 drm_dp_cec_unset_edid(&nv_connector->aux);
653
654 pm_runtime_mark_last_busy(dev->dev);
655 pm_runtime_put_autosuspend(dev->dev);
656
657 return conn_status;
658}
659
660static enum drm_connector_status
661nouveau_connector_detect_lvds(struct drm_connector *connector, bool force)
662{
663 struct drm_device *dev = connector->dev;
664 struct nouveau_drm *drm = nouveau_drm(dev);
665 struct nouveau_connector *nv_connector = nouveau_connector(connector);
666 struct nouveau_encoder *nv_encoder = NULL;
667 struct edid *edid = NULL;
668 enum drm_connector_status status = connector_status_disconnected;
669
670 nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS);
671 if (!nv_encoder)
672 goto out;
673
674 /* Try retrieving EDID via DDC */
675 if (!drm->vbios.fp_no_ddc) {
676 status = nouveau_connector_detect(connector, force);
677 if (status == connector_status_connected) {
678 edid = nv_connector->edid;
679 goto out;
680 }
681 }
682
683 /* On some laptops (Sony, i'm looking at you) there appears to
684 * be no direct way of accessing the panel's EDID. The only
685 * option available to us appears to be to ask ACPI for help..
686 *
687 * It's important this check's before trying straps, one of the
688 * said manufacturer's laptops are configured in such a way
689 * the nouveau decides an entry in the VBIOS FP mode table is
690 * valid - it's not (rh#613284)
691 */
692 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) {
693 edid = nouveau_acpi_edid(dev, connector);
694 if (edid) {
695 status = connector_status_connected;
696 goto out;
697 }
698 }
699
700 /* If no EDID found above, and the VBIOS indicates a hardcoded
701 * modeline is avalilable for the panel, set it as the panel's
702 * native mode and exit.
703 */
704 if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc ||
705 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) {
706 status = connector_status_connected;
707 goto out;
708 }
709
710 /* Still nothing, some VBIOS images have a hardcoded EDID block
711 * stored for the panel stored in them.
712 */
713 if (!drm->vbios.fp_no_ddc) {
714 edid = (struct edid *)nouveau_bios_embedded_edid(dev);
715 if (edid) {
716 edid = kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
717 if (edid)
718 status = connector_status_connected;
719 }
720 }
721
722out:
723#if defined(CONFIG_ACPI_BUTTON) || \
724 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE))
725 if (status == connector_status_connected &&
726 !nouveau_ignorelid && !acpi_lid_open())
727 status = connector_status_unknown;
728#endif
729
730 nouveau_connector_set_edid(nv_connector, edid);
731 nouveau_connector_set_encoder(connector, nv_encoder);
732 return status;
733}
734
735static void
736nouveau_connector_force(struct drm_connector *connector)
737{
738 struct nouveau_drm *drm = nouveau_drm(connector->dev);
739 struct nouveau_connector *nv_connector = nouveau_connector(connector);
740 struct nouveau_encoder *nv_encoder;
741 int type;
742
743 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
744 if (connector->force == DRM_FORCE_ON_DIGITAL)
745 type = DCB_OUTPUT_TMDS;
746 else
747 type = DCB_OUTPUT_ANALOG;
748 } else
749 type = DCB_OUTPUT_ANY;
750
751 nv_encoder = find_encoder(connector, type);
752 if (!nv_encoder) {
753 NV_ERROR(drm, "can't find encoder to force %s on!\n",
754 connector->name);
755 connector->status = connector_status_disconnected;
756 return;
757 }
758
759 nouveau_connector_set_encoder(connector, nv_encoder);
760}
761
762static int
763nouveau_connector_set_property(struct drm_connector *connector,
764 struct drm_property *property, uint64_t value)
765{
766 struct nouveau_connector *nv_connector = nouveau_connector(connector);
767 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
768 struct nouveau_conn_atom *asyc = &nv_connector->properties_state;
769 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
770 int ret;
771
772 ret = connector->funcs->atomic_set_property(&nv_connector->base,
773 &asyc->state,
774 property, value);
775 if (ret) {
776 if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV)
777 return get_slave_funcs(encoder)->set_property(
778 encoder, connector, property, value);
779 return ret;
780 }
781
782 nv_connector->scaling_mode = asyc->scaler.mode;
783 nv_connector->dithering_mode = asyc->dither.mode;
784
785 if (connector->encoder && connector->encoder->crtc) {
786 ret = drm_crtc_helper_set_mode(connector->encoder->crtc,
787 &connector->encoder->crtc->mode,
788 connector->encoder->crtc->x,
789 connector->encoder->crtc->y,
790 NULL);
791 if (!ret)
792 return -EINVAL;
793 }
794
795 return 0;
796}
797
798struct moderec {
799 int hdisplay;
800 int vdisplay;
801};
802
803static struct moderec scaler_modes[] = {
804 { 1920, 1200 },
805 { 1920, 1080 },
806 { 1680, 1050 },
807 { 1600, 1200 },
808 { 1400, 1050 },
809 { 1280, 1024 },
810 { 1280, 960 },
811 { 1152, 864 },
812 { 1024, 768 },
813 { 800, 600 },
814 { 720, 400 },
815 { 640, 480 },
816 { 640, 400 },
817 { 640, 350 },
818 {}
819};
820
821static int
822nouveau_connector_scaler_modes_add(struct drm_connector *connector)
823{
824 struct nouveau_connector *nv_connector = nouveau_connector(connector);
825 struct drm_display_mode *native = nv_connector->native_mode, *m;
826 struct drm_device *dev = connector->dev;
827 struct moderec *mode = &scaler_modes[0];
828 int modes = 0;
829
830 if (!native)
831 return 0;
832
833 while (mode->hdisplay) {
834 if (mode->hdisplay <= native->hdisplay &&
835 mode->vdisplay <= native->vdisplay &&
836 (mode->hdisplay != native->hdisplay ||
837 mode->vdisplay != native->vdisplay)) {
838 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay,
839 drm_mode_vrefresh(native), false,
840 false, false);
841 if (!m)
842 continue;
843
844 drm_mode_probed_add(connector, m);
845 modes++;
846 }
847
848 mode++;
849 }
850
851 return modes;
852}
853
854static void
855nouveau_connector_detect_depth(struct drm_connector *connector)
856{
857 struct nouveau_drm *drm = nouveau_drm(connector->dev);
858 struct nouveau_connector *nv_connector = nouveau_connector(connector);
859 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
860 struct nvbios *bios = &drm->vbios;
861 struct drm_display_mode *mode = nv_connector->native_mode;
862 bool duallink;
863
864 /* if the edid is feeling nice enough to provide this info, use it */
865 if (nv_connector->edid && connector->display_info.bpc)
866 return;
867
868 /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */
869 if (nv_connector->type == DCB_CONNECTOR_eDP) {
870 connector->display_info.bpc = 6;
871 return;
872 }
873
874 /* we're out of options unless we're LVDS, default to 8bpc */
875 if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) {
876 connector->display_info.bpc = 8;
877 return;
878 }
879
880 connector->display_info.bpc = 6;
881
882 /* LVDS: panel straps */
883 if (bios->fp_no_ddc) {
884 if (bios->fp.if_is_24bit)
885 connector->display_info.bpc = 8;
886 return;
887 }
888
889 /* LVDS: DDC panel, need to first determine the number of links to
890 * know which if_is_24bit flag to check...
891 */
892 if (nv_connector->edid &&
893 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG)
894 duallink = ((u8 *)nv_connector->edid)[121] == 2;
895 else
896 duallink = mode->clock >= bios->fp.duallink_transition_clk;
897
898 if ((!duallink && (bios->fp.strapless_is_24bit & 1)) ||
899 ( duallink && (bios->fp.strapless_is_24bit & 2)))
900 connector->display_info.bpc = 8;
901}
902
903static int
904nouveau_connector_late_register(struct drm_connector *connector)
905{
906 int ret;
907
908 ret = nouveau_backlight_init(connector);
909 if (ret)
910 return ret;
911
912 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
913 connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
914 ret = drm_dp_aux_register(&nouveau_connector(connector)->aux);
915 if (ret)
916 goto backlight_fini;
917 }
918
919 return 0;
920backlight_fini:
921 nouveau_backlight_fini(connector);
922 return ret;
923}
924
925static void
926nouveau_connector_early_unregister(struct drm_connector *connector)
927{
928 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
929 connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)
930 drm_dp_aux_unregister(&nouveau_connector(connector)->aux);
931
932 nouveau_backlight_fini(connector);
933}
934
935static int
936nouveau_connector_get_modes(struct drm_connector *connector)
937{
938 struct drm_device *dev = connector->dev;
939 struct nouveau_drm *drm = nouveau_drm(dev);
940 struct nouveau_connector *nv_connector = nouveau_connector(connector);
941 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
942 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
943 int ret = 0;
944
945 /* destroy the native mode, the attached monitor could have changed.
946 */
947 if (nv_connector->native_mode) {
948 drm_mode_destroy(dev, nv_connector->native_mode);
949 nv_connector->native_mode = NULL;
950 }
951
952 if (nv_connector->edid)
953 ret = drm_add_edid_modes(connector, nv_connector->edid);
954 else
955 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS &&
956 (nv_encoder->dcb->lvdsconf.use_straps_for_mode ||
957 drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) {
958 struct drm_display_mode mode;
959
960 nouveau_bios_fp_mode(dev, &mode);
961 nv_connector->native_mode = drm_mode_duplicate(dev, &mode);
962 }
963
964 /* Determine display colour depth for everything except LVDS now,
965 * DP requires this before mode_valid() is called.
966 */
967 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS)
968 nouveau_connector_detect_depth(connector);
969
970 /* Find the native mode if this is a digital panel, if we didn't
971 * find any modes through DDC previously add the native mode to
972 * the list of modes.
973 */
974 if (!nv_connector->native_mode)
975 nv_connector->native_mode = nouveau_conn_native_mode(connector);
976 if (ret == 0 && nv_connector->native_mode) {
977 struct drm_display_mode *mode;
978
979 mode = drm_mode_duplicate(dev, nv_connector->native_mode);
980 drm_mode_probed_add(connector, mode);
981 ret = 1;
982 }
983
984 /* Determine LVDS colour depth, must happen after determining
985 * "native" mode as some VBIOS tables require us to use the
986 * pixel clock as part of the lookup...
987 */
988 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
989 nouveau_connector_detect_depth(connector);
990
991 if (nv_encoder->dcb->type == DCB_OUTPUT_TV)
992 ret = get_slave_funcs(encoder)->get_modes(encoder, connector);
993
994 if (nv_connector->type == DCB_CONNECTOR_LVDS ||
995 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG ||
996 nv_connector->type == DCB_CONNECTOR_eDP)
997 ret += nouveau_connector_scaler_modes_add(connector);
998
999 return ret;
1000}
1001
1002static unsigned
1003get_tmds_link_bandwidth(struct drm_connector *connector)
1004{
1005 struct nouveau_connector *nv_connector = nouveau_connector(connector);
1006 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
1007 struct nouveau_drm *drm = nouveau_drm(connector->dev);
1008 struct dcb_output *dcb = nv_connector->detected_encoder->dcb;
1009 struct drm_display_info *info = NULL;
1010 unsigned duallink_scale =
1011 nouveau_duallink && nv_encoder->dcb->duallink_possible ? 2 : 1;
1012
1013 if (drm_detect_hdmi_monitor(nv_connector->edid)) {
1014 info = &nv_connector->base.display_info;
1015 duallink_scale = 1;
1016 }
1017
1018 if (info) {
1019 if (nouveau_hdmimhz > 0)
1020 return nouveau_hdmimhz * 1000;
1021 /* Note: these limits are conservative, some Fermi's
1022 * can do 297 MHz. Unclear how this can be determined.
1023 */
1024 if (drm->client.device.info.chipset >= 0x120) {
1025 const int max_tmds_clock =
1026 info->hdmi.scdc.scrambling.supported ?
1027 594000 : 340000;
1028 return info->max_tmds_clock ?
1029 min(info->max_tmds_clock, max_tmds_clock) :
1030 max_tmds_clock;
1031 }
1032 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_KEPLER)
1033 return 297000;
1034 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_FERMI)
1035 return 225000;
1036 }
1037
1038 if (dcb->location != DCB_LOC_ON_CHIP ||
1039 drm->client.device.info.chipset >= 0x46)
1040 return 165000 * duallink_scale;
1041 else if (drm->client.device.info.chipset >= 0x40)
1042 return 155000 * duallink_scale;
1043 else if (drm->client.device.info.chipset >= 0x18)
1044 return 135000 * duallink_scale;
1045 else
1046 return 112000 * duallink_scale;
1047}
1048
1049static enum drm_mode_status
1050nouveau_connector_mode_valid(struct drm_connector *connector,
1051 struct drm_display_mode *mode)
1052{
1053 struct nouveau_connector *nv_connector = nouveau_connector(connector);
1054 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
1055 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
1056 unsigned int min_clock = 25000, max_clock = min_clock, clock = mode->clock;
1057
1058 switch (nv_encoder->dcb->type) {
1059 case DCB_OUTPUT_LVDS:
1060 if (nv_connector->native_mode &&
1061 (mode->hdisplay > nv_connector->native_mode->hdisplay ||
1062 mode->vdisplay > nv_connector->native_mode->vdisplay))
1063 return MODE_PANEL;
1064
1065 min_clock = 0;
1066 max_clock = 400000;
1067 break;
1068 case DCB_OUTPUT_TMDS:
1069 max_clock = get_tmds_link_bandwidth(connector);
1070 break;
1071 case DCB_OUTPUT_ANALOG:
1072 max_clock = nv_encoder->dcb->crtconf.maxfreq;
1073 if (!max_clock)
1074 max_clock = 350000;
1075 break;
1076 case DCB_OUTPUT_TV:
1077 return get_slave_funcs(encoder)->mode_valid(encoder, mode);
1078 case DCB_OUTPUT_DP:
1079 return nv50_dp_mode_valid(connector, nv_encoder, mode, NULL);
1080 default:
1081 BUG();
1082 return MODE_BAD;
1083 }
1084
1085 if ((mode->flags & DRM_MODE_FLAG_3D_MASK) == DRM_MODE_FLAG_3D_FRAME_PACKING)
1086 clock *= 2;
1087
1088 if (clock < min_clock)
1089 return MODE_CLOCK_LOW;
1090 if (clock > max_clock)
1091 return MODE_CLOCK_HIGH;
1092
1093 return MODE_OK;
1094}
1095
1096static struct drm_encoder *
1097nouveau_connector_best_encoder(struct drm_connector *connector)
1098{
1099 struct nouveau_connector *nv_connector = nouveau_connector(connector);
1100
1101 if (nv_connector->detected_encoder)
1102 return to_drm_encoder(nv_connector->detected_encoder);
1103
1104 return NULL;
1105}
1106
1107static const struct drm_connector_helper_funcs
1108nouveau_connector_helper_funcs = {
1109 .get_modes = nouveau_connector_get_modes,
1110 .mode_valid = nouveau_connector_mode_valid,
1111 .best_encoder = nouveau_connector_best_encoder,
1112};
1113
1114static const struct drm_connector_funcs
1115nouveau_connector_funcs = {
1116 .dpms = drm_helper_connector_dpms,
1117 .reset = nouveau_conn_reset,
1118 .detect = nouveau_connector_detect,
1119 .force = nouveau_connector_force,
1120 .fill_modes = drm_helper_probe_single_connector_modes,
1121 .set_property = nouveau_connector_set_property,
1122 .destroy = nouveau_connector_destroy,
1123 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state,
1124 .atomic_destroy_state = nouveau_conn_atomic_destroy_state,
1125 .atomic_set_property = nouveau_conn_atomic_set_property,
1126 .atomic_get_property = nouveau_conn_atomic_get_property,
1127 .late_register = nouveau_connector_late_register,
1128 .early_unregister = nouveau_connector_early_unregister,
1129};
1130
1131static const struct drm_connector_funcs
1132nouveau_connector_funcs_lvds = {
1133 .dpms = drm_helper_connector_dpms,
1134 .reset = nouveau_conn_reset,
1135 .detect = nouveau_connector_detect_lvds,
1136 .force = nouveau_connector_force,
1137 .fill_modes = drm_helper_probe_single_connector_modes,
1138 .set_property = nouveau_connector_set_property,
1139 .destroy = nouveau_connector_destroy,
1140 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state,
1141 .atomic_destroy_state = nouveau_conn_atomic_destroy_state,
1142 .atomic_set_property = nouveau_conn_atomic_set_property,
1143 .atomic_get_property = nouveau_conn_atomic_get_property,
1144 .late_register = nouveau_connector_late_register,
1145 .early_unregister = nouveau_connector_early_unregister,
1146};
1147
1148void
1149nouveau_connector_hpd(struct drm_connector *connector)
1150{
1151 struct nouveau_drm *drm = nouveau_drm(connector->dev);
1152 u32 mask = drm_connector_mask(connector);
1153
1154 mutex_lock(&drm->hpd_lock);
1155 if (!(drm->hpd_pending & mask)) {
1156 drm->hpd_pending |= mask;
1157 schedule_work(&drm->hpd_work);
1158 }
1159 mutex_unlock(&drm->hpd_lock);
1160}
1161
1162static int
1163nouveau_connector_hotplug(struct nvif_notify *notify)
1164{
1165 struct nouveau_connector *nv_connector =
1166 container_of(notify, typeof(*nv_connector), hpd);
1167 struct drm_connector *connector = &nv_connector->base;
1168 struct drm_device *dev = connector->dev;
1169 struct nouveau_drm *drm = nouveau_drm(dev);
1170 const struct nvif_notify_conn_rep_v0 *rep = notify->data;
1171 bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG);
1172
1173 if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) {
1174 nouveau_dp_irq(drm, nv_connector);
1175 return NVIF_NOTIFY_KEEP;
1176 }
1177
1178 NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", connector->name);
1179 nouveau_connector_hpd(connector);
1180
1181 return NVIF_NOTIFY_KEEP;
1182}
1183
1184static ssize_t
1185nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg)
1186{
1187 struct nouveau_connector *nv_connector =
1188 container_of(obj, typeof(*nv_connector), aux);
1189 struct nouveau_encoder *nv_encoder;
1190 struct nvkm_i2c_aux *aux;
1191 u8 size = msg->size;
1192 int ret;
1193
1194 nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP);
1195 if (!nv_encoder || !(aux = nv_encoder->aux))
1196 return -ENODEV;
1197 if (WARN_ON(msg->size > 16))
1198 return -E2BIG;
1199
1200 ret = nvkm_i2c_aux_acquire(aux);
1201 if (ret)
1202 return ret;
1203
1204 ret = nvkm_i2c_aux_xfer(aux, false, msg->request, msg->address,
1205 msg->buffer, &size);
1206 nvkm_i2c_aux_release(aux);
1207 if (ret >= 0) {
1208 msg->reply = ret;
1209 return size;
1210 }
1211
1212 return ret;
1213}
1214
1215static int
1216drm_conntype_from_dcb(enum dcb_connector_type dcb)
1217{
1218 switch (dcb) {
1219 case DCB_CONNECTOR_VGA : return DRM_MODE_CONNECTOR_VGA;
1220 case DCB_CONNECTOR_TV_0 :
1221 case DCB_CONNECTOR_TV_1 :
1222 case DCB_CONNECTOR_TV_3 : return DRM_MODE_CONNECTOR_TV;
1223 case DCB_CONNECTOR_DMS59_0 :
1224 case DCB_CONNECTOR_DMS59_1 :
1225 case DCB_CONNECTOR_DVI_I : return DRM_MODE_CONNECTOR_DVII;
1226 case DCB_CONNECTOR_DVI_D : return DRM_MODE_CONNECTOR_DVID;
1227 case DCB_CONNECTOR_LVDS :
1228 case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS;
1229 case DCB_CONNECTOR_DMS59_DP0:
1230 case DCB_CONNECTOR_DMS59_DP1:
1231 case DCB_CONNECTOR_DP :
1232 case DCB_CONNECTOR_mDP :
1233 case DCB_CONNECTOR_USB_C : return DRM_MODE_CONNECTOR_DisplayPort;
1234 case DCB_CONNECTOR_eDP : return DRM_MODE_CONNECTOR_eDP;
1235 case DCB_CONNECTOR_HDMI_0 :
1236 case DCB_CONNECTOR_HDMI_1 :
1237 case DCB_CONNECTOR_HDMI_C : return DRM_MODE_CONNECTOR_HDMIA;
1238 case DCB_CONNECTOR_WFD : return DRM_MODE_CONNECTOR_VIRTUAL;
1239 default:
1240 break;
1241 }
1242
1243 return DRM_MODE_CONNECTOR_Unknown;
1244}
1245
1246struct drm_connector *
1247nouveau_connector_create(struct drm_device *dev,
1248 const struct dcb_output *dcbe)
1249{
1250 const struct drm_connector_funcs *funcs = &nouveau_connector_funcs;
1251 struct nouveau_drm *drm = nouveau_drm(dev);
1252 struct nouveau_display *disp = nouveau_display(dev);
1253 struct nouveau_connector *nv_connector = NULL;
1254 struct drm_connector *connector;
1255 struct drm_connector_list_iter conn_iter;
1256 char aux_name[48] = {0};
1257 int index = dcbe->connector;
1258 int type, ret = 0;
1259 bool dummy;
1260
1261 drm_connector_list_iter_begin(dev, &conn_iter);
1262 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
1263 nv_connector = nouveau_connector(connector);
1264 if (nv_connector->index == index) {
1265 drm_connector_list_iter_end(&conn_iter);
1266 return connector;
1267 }
1268 }
1269 drm_connector_list_iter_end(&conn_iter);
1270
1271 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL);
1272 if (!nv_connector)
1273 return ERR_PTR(-ENOMEM);
1274
1275 connector = &nv_connector->base;
1276 nv_connector->index = index;
1277
1278 /* attempt to parse vbios connector type and hotplug gpio */
1279 nv_connector->dcb = olddcb_conn(dev, index);
1280 if (nv_connector->dcb) {
1281 u32 entry = ROM16(nv_connector->dcb[0]);
1282 if (olddcb_conntab(dev)[3] >= 4)
1283 entry |= (u32)ROM16(nv_connector->dcb[2]) << 16;
1284
1285 nv_connector->type = nv_connector->dcb[0];
1286 if (drm_conntype_from_dcb(nv_connector->type) ==
1287 DRM_MODE_CONNECTOR_Unknown) {
1288 NV_WARN(drm, "unknown connector type %02x\n",
1289 nv_connector->type);
1290 nv_connector->type = DCB_CONNECTOR_NONE;
1291 }
1292
1293 /* Gigabyte NX85T */
1294 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) {
1295 if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1296 nv_connector->type = DCB_CONNECTOR_DVI_I;
1297 }
1298
1299 /* Gigabyte GV-NX86T512H */
1300 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) {
1301 if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1302 nv_connector->type = DCB_CONNECTOR_DVI_I;
1303 }
1304 } else {
1305 nv_connector->type = DCB_CONNECTOR_NONE;
1306 }
1307
1308 /* no vbios data, or an unknown dcb connector type - attempt to
1309 * figure out something suitable ourselves
1310 */
1311 if (nv_connector->type == DCB_CONNECTOR_NONE) {
1312 struct nouveau_drm *drm = nouveau_drm(dev);
1313 struct dcb_table *dcbt = &drm->vbios.dcb;
1314 u32 encoders = 0;
1315 int i;
1316
1317 for (i = 0; i < dcbt->entries; i++) {
1318 if (dcbt->entry[i].connector == nv_connector->index)
1319 encoders |= (1 << dcbt->entry[i].type);
1320 }
1321
1322 if (encoders & (1 << DCB_OUTPUT_DP)) {
1323 if (encoders & (1 << DCB_OUTPUT_TMDS))
1324 nv_connector->type = DCB_CONNECTOR_DP;
1325 else
1326 nv_connector->type = DCB_CONNECTOR_eDP;
1327 } else
1328 if (encoders & (1 << DCB_OUTPUT_TMDS)) {
1329 if (encoders & (1 << DCB_OUTPUT_ANALOG))
1330 nv_connector->type = DCB_CONNECTOR_DVI_I;
1331 else
1332 nv_connector->type = DCB_CONNECTOR_DVI_D;
1333 } else
1334 if (encoders & (1 << DCB_OUTPUT_ANALOG)) {
1335 nv_connector->type = DCB_CONNECTOR_VGA;
1336 } else
1337 if (encoders & (1 << DCB_OUTPUT_LVDS)) {
1338 nv_connector->type = DCB_CONNECTOR_LVDS;
1339 } else
1340 if (encoders & (1 << DCB_OUTPUT_TV)) {
1341 nv_connector->type = DCB_CONNECTOR_TV_0;
1342 }
1343 }
1344
1345 switch ((type = drm_conntype_from_dcb(nv_connector->type))) {
1346 case DRM_MODE_CONNECTOR_LVDS:
1347 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy);
1348 if (ret) {
1349 NV_ERROR(drm, "Error parsing LVDS table, disabling\n");
1350 kfree(nv_connector);
1351 return ERR_PTR(ret);
1352 }
1353
1354 funcs = &nouveau_connector_funcs_lvds;
1355 break;
1356 case DRM_MODE_CONNECTOR_DisplayPort:
1357 case DRM_MODE_CONNECTOR_eDP:
1358 nv_connector->aux.dev = connector->kdev;
1359 nv_connector->aux.drm_dev = dev;
1360 nv_connector->aux.transfer = nouveau_connector_aux_xfer;
1361 snprintf(aux_name, sizeof(aux_name), "sor-%04x-%04x",
1362 dcbe->hasht, dcbe->hashm);
1363 nv_connector->aux.name = kstrdup(aux_name, GFP_KERNEL);
1364 drm_dp_aux_init(&nv_connector->aux);
1365 if (ret) {
1366 NV_ERROR(drm, "Failed to init AUX adapter for sor-%04x-%04x: %d\n",
1367 dcbe->hasht, dcbe->hashm, ret);
1368 kfree(nv_connector);
1369 return ERR_PTR(ret);
1370 }
1371 fallthrough;
1372 default:
1373 funcs = &nouveau_connector_funcs;
1374 break;
1375 }
1376
1377 /* HDMI 3D support */
1378 if ((disp->disp.object.oclass >= G82_DISP)
1379 && ((type == DRM_MODE_CONNECTOR_DisplayPort)
1380 || (type == DRM_MODE_CONNECTOR_eDP)
1381 || (type == DRM_MODE_CONNECTOR_HDMIA)))
1382 connector->stereo_allowed = true;
1383
1384 /* defaults, will get overridden in detect() */
1385 connector->interlace_allowed = false;
1386 connector->doublescan_allowed = false;
1387
1388 drm_connector_init(dev, connector, funcs, type);
1389 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs);
1390
1391 connector->funcs->reset(connector);
1392 nouveau_conn_attach_properties(connector);
1393
1394 /* Default scaling mode */
1395 switch (nv_connector->type) {
1396 case DCB_CONNECTOR_LVDS:
1397 case DCB_CONNECTOR_LVDS_SPWG:
1398 case DCB_CONNECTOR_eDP:
1399 /* see note in nouveau_connector_set_property() */
1400 if (disp->disp.object.oclass < NV50_DISP) {
1401 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
1402 break;
1403 }
1404 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1405 break;
1406 default:
1407 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1408 break;
1409 }
1410
1411 /* dithering properties */
1412 switch (nv_connector->type) {
1413 case DCB_CONNECTOR_TV_0:
1414 case DCB_CONNECTOR_TV_1:
1415 case DCB_CONNECTOR_TV_3:
1416 case DCB_CONNECTOR_VGA:
1417 break;
1418 default:
1419 nv_connector->dithering_mode = DITHERING_MODE_AUTO;
1420 break;
1421 }
1422
1423 switch (type) {
1424 case DRM_MODE_CONNECTOR_DisplayPort:
1425 case DRM_MODE_CONNECTOR_eDP:
1426 drm_dp_cec_register_connector(&nv_connector->aux, connector);
1427 break;
1428 }
1429
1430 ret = nvif_notify_ctor(&disp->disp.object, "kmsHotplug",
1431 nouveau_connector_hotplug,
1432 true, NV04_DISP_NTFY_CONN,
1433 &(struct nvif_notify_conn_req_v0) {
1434 .mask = NVIF_NOTIFY_CONN_V0_ANY,
1435 .conn = index,
1436 },
1437 sizeof(struct nvif_notify_conn_req_v0),
1438 sizeof(struct nvif_notify_conn_rep_v0),
1439 &nv_connector->hpd);
1440 if (ret)
1441 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1442 else
1443 connector->polled = DRM_CONNECTOR_POLL_HPD;
1444
1445 drm_connector_register(connector);
1446 return connector;
1447}