2 * Copyright (C) 2008 Maarten Maathuis.
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:
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.
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.
27 #include <acpi/button.h>
29 #include <linux/pm_runtime.h>
30 #include <linux/vga_switcheroo.h>
33 #include <drm/drm_atomic_helper.h>
34 #include <drm/drm_edid.h>
35 #include <drm/drm_crtc_helper.h>
36 #include <drm/drm_atomic.h>
38 #include "nouveau_reg.h"
39 #include "nouveau_drv.h"
40 #include "dispnv04/hw.h"
41 #include "nouveau_acpi.h"
43 #include "nouveau_display.h"
44 #include "nouveau_connector.h"
45 #include "nouveau_encoder.h"
46 #include "nouveau_crtc.h"
48 #include <nvif/class.h>
49 #include <nvif/cl0046.h>
50 #include <nvif/event.h>
52 struct drm_display_mode *
53 nouveau_conn_native_mode(struct drm_connector *connector)
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;
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))
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);
73 /* Otherwise, take the resolution with the largest width, then
74 * height, then vertical refresh
76 if (mode->hdisplay < high_w)
79 if (mode->hdisplay == high_w && mode->vdisplay < high_h)
82 if (mode->hdisplay == high_w && mode->vdisplay == high_h &&
83 mode->vrefresh < high_v)
86 high_w = mode->hdisplay;
87 high_h = mode->vdisplay;
88 high_v = mode->vrefresh;
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;
98 nouveau_conn_atomic_get_property(struct drm_connector *connector,
99 const struct drm_connector_state *state,
100 struct drm_property *property, u64 *val)
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;
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;
129 nouveau_conn_atomic_set_property(struct drm_connector *connector,
130 struct drm_connector_state *state,
131 struct drm_property *property, u64 val)
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);
137 if (property == dev->mode_config.scaling_mode_property) {
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-
145 * Non-EDID modes will force the use of GPU scaling
146 * to the native mode regardless of this setting.
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.
154 if (disp->disp.oclass < NV50_DISP)
160 case DRM_MODE_SCALE_FULLSCREEN:
161 case DRM_MODE_SCALE_CENTER:
162 case DRM_MODE_SCALE_ASPECT:
168 if (asyc->scaler.mode != val) {
169 asyc->scaler.mode = val;
170 asyc->set.scaler = true;
173 if (property == disp->underscan_property) {
174 if (asyc->scaler.underscan.mode != val) {
175 asyc->scaler.underscan.mode = val;
176 asyc->set.scaler = true;
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;
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;
191 if (property == disp->dithering_mode) {
192 if (asyc->dither.mode != val) {
193 asyc->dither.mode = val;
194 asyc->set.dither = true;
197 if (property == disp->dithering_depth) {
198 if (asyc->dither.mode != val) {
199 asyc->dither.depth = val;
200 asyc->set.dither = true;
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;
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;
222 nouveau_conn_atomic_destroy_state(struct drm_connector *connector,
223 struct drm_connector_state *state)
225 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state);
226 __drm_atomic_helper_connector_destroy_state(&asyc->state);
230 struct drm_connector_state *
231 nouveau_conn_atomic_duplicate_state(struct drm_connector *connector)
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)))
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;
246 nouveau_conn_reset(struct drm_connector *connector)
248 struct nouveau_conn_atom *asyc;
250 if (WARN_ON(!(asyc = kzalloc(sizeof(*asyc), GFP_KERNEL))))
253 if (connector->state)
254 __drm_atomic_helper_connector_destroy_state(connector->state);
255 __drm_atomic_helper_connector_reset(connector, &asyc->state);
256 asyc->dither.mode = DITHERING_MODE_AUTO;
257 asyc->dither.depth = DITHERING_DEPTH_AUTO;
258 asyc->scaler.mode = DRM_MODE_SCALE_NONE;
259 asyc->scaler.underscan.mode = UNDERSCAN_OFF;
260 asyc->procamp.color_vibrance = 150;
261 asyc->procamp.vibrant_hue = 90;
263 if (nouveau_display(connector->dev)->disp.oclass < NV50_DISP) {
264 switch (connector->connector_type) {
265 case DRM_MODE_CONNECTOR_LVDS:
266 /* See note in nouveau_conn_atomic_set_property(). */
267 asyc->scaler.mode = DRM_MODE_SCALE_FULLSCREEN;
276 nouveau_conn_attach_properties(struct drm_connector *connector)
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);
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);
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,
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);
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);
312 /* Scaling mode property. */
313 switch (connector->connector_type) {
314 case DRM_MODE_CONNECTOR_TV:
316 case DRM_MODE_CONNECTOR_VGA:
317 if (disp->disp.oclass < NV50_DISP)
318 break; /* Can only scale on DFPs. */
321 drm_object_attach_property(&connector->base, dev->mode_config.
322 scaling_mode_property,
327 /* Dithering properties. */
328 switch (connector->connector_type) {
329 case DRM_MODE_CONNECTOR_TV:
330 case DRM_MODE_CONNECTOR_VGA:
333 if (disp->dithering_mode) {
334 drm_object_attach_property(&connector->base,
335 disp->dithering_mode,
338 if (disp->dithering_depth) {
339 drm_object_attach_property(&connector->base,
340 disp->dithering_depth,
347 MODULE_PARM_DESC(tv_disable, "Disable TV-out detection");
348 int nouveau_tv_disable = 0;
349 module_param_named(tv_disable, nouveau_tv_disable, int, 0400);
351 MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status");
352 int nouveau_ignorelid = 0;
353 module_param_named(ignorelid, nouveau_ignorelid, int, 0400);
355 MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (default: enabled)");
356 int nouveau_duallink = 1;
357 module_param_named(duallink, nouveau_duallink, int, 0400);
359 MODULE_PARM_DESC(hdmimhz, "Force a maximum HDMI pixel clock (in MHz)");
360 int nouveau_hdmimhz = 0;
361 module_param_named(hdmimhz, nouveau_hdmimhz, int, 0400);
363 struct nouveau_encoder *
364 find_encoder(struct drm_connector *connector, int type)
366 struct drm_device *dev = connector->dev;
367 struct nouveau_encoder *nv_encoder;
368 struct drm_encoder *enc;
371 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
372 id = connector->encoder_ids[i];
376 enc = drm_encoder_find(dev, id);
379 nv_encoder = nouveau_encoder(enc);
381 if (type == DCB_OUTPUT_ANY ||
382 (nv_encoder->dcb && nv_encoder->dcb->type == type))
389 struct nouveau_connector *
390 nouveau_encoder_connector_get(struct nouveau_encoder *encoder)
392 struct drm_device *dev = to_drm_encoder(encoder)->dev;
393 struct drm_connector *drm_connector;
395 list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) {
396 if (drm_connector->encoder == to_drm_encoder(encoder))
397 return nouveau_connector(drm_connector);
404 nouveau_connector_destroy(struct drm_connector *connector)
406 struct nouveau_connector *nv_connector = nouveau_connector(connector);
407 nvif_notify_fini(&nv_connector->hpd);
408 kfree(nv_connector->edid);
409 drm_connector_unregister(connector);
410 drm_connector_cleanup(connector);
411 if (nv_connector->aux.transfer)
412 drm_dp_aux_unregister(&nv_connector->aux);
416 static struct nouveau_encoder *
417 nouveau_connector_ddc_detect(struct drm_connector *connector)
419 struct drm_device *dev = connector->dev;
420 struct nouveau_connector *nv_connector = nouveau_connector(connector);
421 struct nouveau_drm *drm = nouveau_drm(dev);
422 struct nvkm_gpio *gpio = nvxx_gpio(&drm->client.device);
423 struct nouveau_encoder *nv_encoder;
424 struct drm_encoder *encoder;
425 int i, panel = -ENODEV;
427 /* eDP panels need powering on by us (if the VBIOS doesn't default it
428 * to on) before doing any AUX channel transactions. LVDS panel power
429 * is handled by the SOR itself, and not required for LVDS DDC.
431 if (nv_connector->type == DCB_CONNECTOR_eDP) {
432 panel = nvkm_gpio_get(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff);
434 nvkm_gpio_set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, 1);
439 for (i = 0; nv_encoder = NULL, i < DRM_CONNECTOR_MAX_ENCODER; i++) {
440 int id = connector->encoder_ids[i];
444 encoder = drm_encoder_find(dev, id);
447 nv_encoder = nouveau_encoder(encoder);
449 if (nv_encoder->dcb->type == DCB_OUTPUT_DP) {
450 int ret = nouveau_dp_detect(nv_encoder);
451 if (ret == NOUVEAU_DP_MST)
453 if (ret == NOUVEAU_DP_SST)
456 if ((vga_switcheroo_handler_flags() &
457 VGA_SWITCHEROO_CAN_SWITCH_DDC) &&
458 nv_encoder->dcb->type == DCB_OUTPUT_LVDS &&
461 vga_switcheroo_lock_ddc(dev->pdev);
462 ret = nvkm_probe_i2c(nv_encoder->i2c, 0x50);
463 vga_switcheroo_unlock_ddc(dev->pdev);
467 if (nv_encoder->i2c) {
468 if (nvkm_probe_i2c(nv_encoder->i2c, 0x50))
473 /* eDP panel not detected, restore panel power GPIO to previous
474 * state to avoid confusing the SOR for other output types.
476 if (!nv_encoder && panel == 0)
477 nvkm_gpio_set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, panel);
482 static struct nouveau_encoder *
483 nouveau_connector_of_detect(struct drm_connector *connector)
486 struct drm_device *dev = connector->dev;
487 struct nouveau_connector *nv_connector = nouveau_connector(connector);
488 struct nouveau_encoder *nv_encoder;
489 struct device_node *cn, *dn = pci_device_to_OF_node(dev->pdev);
492 !((nv_encoder = find_encoder(connector, DCB_OUTPUT_TMDS)) ||
493 (nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG))))
496 for_each_child_of_node(dn, cn) {
497 const char *name = of_get_property(cn, "name", NULL);
498 const void *edid = of_get_property(cn, "EDID", NULL);
499 int idx = name ? name[strlen(name) - 1] - 'A' : 0;
501 if (nv_encoder->dcb->i2c_index == idx && edid) {
503 kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
513 nouveau_connector_set_encoder(struct drm_connector *connector,
514 struct nouveau_encoder *nv_encoder)
516 struct nouveau_connector *nv_connector = nouveau_connector(connector);
517 struct nouveau_drm *drm = nouveau_drm(connector->dev);
518 struct drm_device *dev = connector->dev;
520 if (nv_connector->detected_encoder == nv_encoder)
522 nv_connector->detected_encoder = nv_encoder;
524 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
525 connector->interlace_allowed = true;
526 connector->doublescan_allowed = true;
528 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS ||
529 nv_encoder->dcb->type == DCB_OUTPUT_TMDS) {
530 connector->doublescan_allowed = false;
531 connector->interlace_allowed = false;
533 connector->doublescan_allowed = true;
534 if (drm->client.device.info.family == NV_DEVICE_INFO_V0_KELVIN ||
535 (drm->client.device.info.family == NV_DEVICE_INFO_V0_CELSIUS &&
536 (dev->pdev->device & 0x0ff0) != 0x0100 &&
537 (dev->pdev->device & 0x0ff0) != 0x0150))
539 connector->interlace_allowed = false;
541 connector->interlace_allowed = true;
544 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
545 drm_object_property_set_value(&connector->base,
546 dev->mode_config.dvi_i_subconnector_property,
547 nv_encoder->dcb->type == DCB_OUTPUT_TMDS ?
548 DRM_MODE_SUBCONNECTOR_DVID :
549 DRM_MODE_SUBCONNECTOR_DVIA);
553 static enum drm_connector_status
554 nouveau_connector_detect(struct drm_connector *connector, bool force)
556 struct drm_device *dev = connector->dev;
557 struct nouveau_drm *drm = nouveau_drm(dev);
558 struct nouveau_connector *nv_connector = nouveau_connector(connector);
559 struct nouveau_encoder *nv_encoder = NULL;
560 struct nouveau_encoder *nv_partner;
561 struct i2c_adapter *i2c;
564 enum drm_connector_status conn_status = connector_status_disconnected;
566 /* Cleanup the previous EDID block. */
567 if (nv_connector->edid) {
568 drm_mode_connector_update_edid_property(connector, NULL);
569 kfree(nv_connector->edid);
570 nv_connector->edid = NULL;
573 ret = pm_runtime_get_sync(connector->dev->dev);
574 if (ret < 0 && ret != -EACCES)
577 nv_encoder = nouveau_connector_ddc_detect(connector);
578 if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) {
579 if ((vga_switcheroo_handler_flags() &
580 VGA_SWITCHEROO_CAN_SWITCH_DDC) &&
581 nv_connector->type == DCB_CONNECTOR_LVDS)
582 nv_connector->edid = drm_get_edid_switcheroo(connector,
585 nv_connector->edid = drm_get_edid(connector, i2c);
587 drm_mode_connector_update_edid_property(connector,
589 if (!nv_connector->edid) {
590 NV_ERROR(drm, "DDC responded, but no EDID for %s\n",
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.
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);
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;
613 type = DCB_OUTPUT_ANALOG;
615 nv_encoder = find_encoder(connector, type);
618 nouveau_connector_set_encoder(connector, nv_encoder);
619 conn_status = connector_status_connected;
623 nv_encoder = nouveau_connector_of_detect(connector);
625 nouveau_connector_set_encoder(connector, nv_encoder);
626 conn_status = connector_status_connected;
631 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG);
632 if (!nv_encoder && !nouveau_tv_disable)
633 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV);
634 if (nv_encoder && force) {
635 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
636 const struct drm_encoder_helper_funcs *helper =
637 encoder->helper_private;
639 if (helper->detect(encoder, connector) ==
640 connector_status_connected) {
641 nouveau_connector_set_encoder(connector, nv_encoder);
642 conn_status = connector_status_connected;
650 pm_runtime_mark_last_busy(connector->dev->dev);
651 pm_runtime_put_autosuspend(connector->dev->dev);
656 static enum drm_connector_status
657 nouveau_connector_detect_lvds(struct drm_connector *connector, bool force)
659 struct drm_device *dev = connector->dev;
660 struct nouveau_drm *drm = nouveau_drm(dev);
661 struct nouveau_connector *nv_connector = nouveau_connector(connector);
662 struct nouveau_encoder *nv_encoder = NULL;
663 enum drm_connector_status status = connector_status_disconnected;
665 /* Cleanup the previous EDID block. */
666 if (nv_connector->edid) {
667 drm_mode_connector_update_edid_property(connector, NULL);
668 kfree(nv_connector->edid);
669 nv_connector->edid = NULL;
672 nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS);
674 return connector_status_disconnected;
676 /* Try retrieving EDID via DDC */
677 if (!drm->vbios.fp_no_ddc) {
678 status = nouveau_connector_detect(connector, force);
679 if (status == connector_status_connected)
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..
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)
692 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) {
693 if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) {
694 status = connector_status_connected;
699 /* If no EDID found above, and the VBIOS indicates a hardcoded
700 * modeline is avalilable for the panel, set it as the panel's
701 * native mode and exit.
703 if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc ||
704 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) {
705 status = connector_status_connected;
709 /* Still nothing, some VBIOS images have a hardcoded EDID block
710 * stored for the panel stored in them.
712 if (!drm->vbios.fp_no_ddc) {
714 (struct edid *)nouveau_bios_embedded_edid(dev);
717 kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
718 if (nv_connector->edid)
719 status = connector_status_connected;
724 #if defined(CONFIG_ACPI_BUTTON) || \
725 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE))
726 if (status == connector_status_connected &&
727 !nouveau_ignorelid && !acpi_lid_open())
728 status = connector_status_unknown;
731 drm_mode_connector_update_edid_property(connector, nv_connector->edid);
732 nouveau_connector_set_encoder(connector, nv_encoder);
737 nouveau_connector_force(struct drm_connector *connector)
739 struct nouveau_drm *drm = nouveau_drm(connector->dev);
740 struct nouveau_connector *nv_connector = nouveau_connector(connector);
741 struct nouveau_encoder *nv_encoder;
744 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
745 if (connector->force == DRM_FORCE_ON_DIGITAL)
746 type = DCB_OUTPUT_TMDS;
748 type = DCB_OUTPUT_ANALOG;
750 type = DCB_OUTPUT_ANY;
752 nv_encoder = find_encoder(connector, type);
754 NV_ERROR(drm, "can't find encoder to force %s on!\n",
756 connector->status = connector_status_disconnected;
760 nouveau_connector_set_encoder(connector, nv_encoder);
764 nouveau_connector_set_property(struct drm_connector *connector,
765 struct drm_property *property, uint64_t value)
767 struct nouveau_conn_atom *asyc = nouveau_conn_atom(connector->state);
768 struct nouveau_connector *nv_connector = nouveau_connector(connector);
769 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
770 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
773 if (drm_drv_uses_atomic_modeset(connector->dev))
774 return drm_atomic_helper_connector_set_property(connector, property, value);
776 ret = connector->funcs->atomic_set_property(&nv_connector->base,
780 if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV)
781 return get_slave_funcs(encoder)->set_property(
782 encoder, connector, property, value);
786 nv_connector->scaling_mode = asyc->scaler.mode;
787 nv_connector->dithering_mode = asyc->dither.mode;
789 if (connector->encoder && connector->encoder->crtc) {
790 ret = drm_crtc_helper_set_mode(connector->encoder->crtc,
791 &connector->encoder->crtc->mode,
792 connector->encoder->crtc->x,
793 connector->encoder->crtc->y,
807 static struct moderec scaler_modes[] = {
826 nouveau_connector_scaler_modes_add(struct drm_connector *connector)
828 struct nouveau_connector *nv_connector = nouveau_connector(connector);
829 struct drm_display_mode *native = nv_connector->native_mode, *m;
830 struct drm_device *dev = connector->dev;
831 struct moderec *mode = &scaler_modes[0];
837 while (mode->hdisplay) {
838 if (mode->hdisplay <= native->hdisplay &&
839 mode->vdisplay <= native->vdisplay &&
840 (mode->hdisplay != native->hdisplay ||
841 mode->vdisplay != native->vdisplay)) {
842 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay,
843 drm_mode_vrefresh(native), false,
848 drm_mode_probed_add(connector, m);
859 nouveau_connector_detect_depth(struct drm_connector *connector)
861 struct nouveau_drm *drm = nouveau_drm(connector->dev);
862 struct nouveau_connector *nv_connector = nouveau_connector(connector);
863 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
864 struct nvbios *bios = &drm->vbios;
865 struct drm_display_mode *mode = nv_connector->native_mode;
868 /* if the edid is feeling nice enough to provide this info, use it */
869 if (nv_connector->edid && connector->display_info.bpc)
872 /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */
873 if (nv_connector->type == DCB_CONNECTOR_eDP) {
874 connector->display_info.bpc = 6;
878 /* we're out of options unless we're LVDS, default to 8bpc */
879 if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) {
880 connector->display_info.bpc = 8;
884 connector->display_info.bpc = 6;
886 /* LVDS: panel straps */
887 if (bios->fp_no_ddc) {
888 if (bios->fp.if_is_24bit)
889 connector->display_info.bpc = 8;
893 /* LVDS: DDC panel, need to first determine the number of links to
894 * know which if_is_24bit flag to check...
896 if (nv_connector->edid &&
897 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG)
898 duallink = ((u8 *)nv_connector->edid)[121] == 2;
900 duallink = mode->clock >= bios->fp.duallink_transition_clk;
902 if ((!duallink && (bios->fp.strapless_is_24bit & 1)) ||
903 ( duallink && (bios->fp.strapless_is_24bit & 2)))
904 connector->display_info.bpc = 8;
908 nouveau_connector_get_modes(struct drm_connector *connector)
910 struct drm_device *dev = connector->dev;
911 struct nouveau_drm *drm = nouveau_drm(dev);
912 struct nouveau_connector *nv_connector = nouveau_connector(connector);
913 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
914 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
917 /* destroy the native mode, the attached monitor could have changed.
919 if (nv_connector->native_mode) {
920 drm_mode_destroy(dev, nv_connector->native_mode);
921 nv_connector->native_mode = NULL;
924 if (nv_connector->edid)
925 ret = drm_add_edid_modes(connector, nv_connector->edid);
927 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS &&
928 (nv_encoder->dcb->lvdsconf.use_straps_for_mode ||
929 drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) {
930 struct drm_display_mode mode;
932 nouveau_bios_fp_mode(dev, &mode);
933 nv_connector->native_mode = drm_mode_duplicate(dev, &mode);
936 /* Determine display colour depth for everything except LVDS now,
937 * DP requires this before mode_valid() is called.
939 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS)
940 nouveau_connector_detect_depth(connector);
942 /* Find the native mode if this is a digital panel, if we didn't
943 * find any modes through DDC previously add the native mode to
946 if (!nv_connector->native_mode)
947 nv_connector->native_mode = nouveau_conn_native_mode(connector);
948 if (ret == 0 && nv_connector->native_mode) {
949 struct drm_display_mode *mode;
951 mode = drm_mode_duplicate(dev, nv_connector->native_mode);
952 drm_mode_probed_add(connector, mode);
956 /* Determine LVDS colour depth, must happen after determining
957 * "native" mode as some VBIOS tables require us to use the
958 * pixel clock as part of the lookup...
960 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
961 nouveau_connector_detect_depth(connector);
963 if (nv_encoder->dcb->type == DCB_OUTPUT_TV)
964 ret = get_slave_funcs(encoder)->get_modes(encoder, connector);
966 if (nv_connector->type == DCB_CONNECTOR_LVDS ||
967 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG ||
968 nv_connector->type == DCB_CONNECTOR_eDP)
969 ret += nouveau_connector_scaler_modes_add(connector);
975 get_tmds_link_bandwidth(struct drm_connector *connector, bool hdmi)
977 struct nouveau_connector *nv_connector = nouveau_connector(connector);
978 struct nouveau_drm *drm = nouveau_drm(connector->dev);
979 struct dcb_output *dcb = nv_connector->detected_encoder->dcb;
982 if (nouveau_hdmimhz > 0)
983 return nouveau_hdmimhz * 1000;
984 /* Note: these limits are conservative, some Fermi's
985 * can do 297 MHz. Unclear how this can be determined.
987 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_KEPLER)
989 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_FERMI)
992 if (dcb->location != DCB_LOC_ON_CHIP ||
993 drm->client.device.info.chipset >= 0x46)
995 else if (drm->client.device.info.chipset >= 0x40)
997 else if (drm->client.device.info.chipset >= 0x18)
1004 nouveau_connector_mode_valid(struct drm_connector *connector,
1005 struct drm_display_mode *mode)
1007 struct nouveau_connector *nv_connector = nouveau_connector(connector);
1008 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
1009 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
1010 unsigned min_clock = 25000, max_clock = min_clock;
1011 unsigned clock = mode->clock;
1014 switch (nv_encoder->dcb->type) {
1015 case DCB_OUTPUT_LVDS:
1016 if (nv_connector->native_mode &&
1017 (mode->hdisplay > nv_connector->native_mode->hdisplay ||
1018 mode->vdisplay > nv_connector->native_mode->vdisplay))
1024 case DCB_OUTPUT_TMDS:
1025 hdmi = drm_detect_hdmi_monitor(nv_connector->edid);
1026 max_clock = get_tmds_link_bandwidth(connector, hdmi);
1027 if (!hdmi && nouveau_duallink &&
1028 nv_encoder->dcb->duallink_possible)
1031 case DCB_OUTPUT_ANALOG:
1032 max_clock = nv_encoder->dcb->crtconf.maxfreq;
1037 return get_slave_funcs(encoder)->mode_valid(encoder, mode);
1039 max_clock = nv_encoder->dp.link_nr;
1040 max_clock *= nv_encoder->dp.link_bw;
1041 clock = clock * (connector->display_info.bpc * 3) / 10;
1048 if (clock < min_clock)
1049 return MODE_CLOCK_LOW;
1051 if (clock > max_clock)
1052 return MODE_CLOCK_HIGH;
1057 static struct drm_encoder *
1058 nouveau_connector_best_encoder(struct drm_connector *connector)
1060 struct nouveau_connector *nv_connector = nouveau_connector(connector);
1062 if (nv_connector->detected_encoder)
1063 return to_drm_encoder(nv_connector->detected_encoder);
1068 static const struct drm_connector_helper_funcs
1069 nouveau_connector_helper_funcs = {
1070 .get_modes = nouveau_connector_get_modes,
1071 .mode_valid = nouveau_connector_mode_valid,
1072 .best_encoder = nouveau_connector_best_encoder,
1076 nouveau_connector_dpms(struct drm_connector *connector, int mode)
1078 if (drm_drv_uses_atomic_modeset(connector->dev))
1079 return drm_atomic_helper_connector_dpms(connector, mode);
1080 return drm_helper_connector_dpms(connector, mode);
1083 static const struct drm_connector_funcs
1084 nouveau_connector_funcs = {
1085 .dpms = nouveau_connector_dpms,
1086 .reset = nouveau_conn_reset,
1087 .detect = nouveau_connector_detect,
1088 .force = nouveau_connector_force,
1089 .fill_modes = drm_helper_probe_single_connector_modes,
1090 .set_property = nouveau_connector_set_property,
1091 .destroy = nouveau_connector_destroy,
1092 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state,
1093 .atomic_destroy_state = nouveau_conn_atomic_destroy_state,
1094 .atomic_set_property = nouveau_conn_atomic_set_property,
1095 .atomic_get_property = nouveau_conn_atomic_get_property,
1098 static const struct drm_connector_funcs
1099 nouveau_connector_funcs_lvds = {
1100 .dpms = nouveau_connector_dpms,
1101 .reset = nouveau_conn_reset,
1102 .detect = nouveau_connector_detect_lvds,
1103 .force = nouveau_connector_force,
1104 .fill_modes = drm_helper_probe_single_connector_modes,
1105 .set_property = nouveau_connector_set_property,
1106 .destroy = nouveau_connector_destroy,
1107 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state,
1108 .atomic_destroy_state = nouveau_conn_atomic_destroy_state,
1109 .atomic_set_property = nouveau_conn_atomic_set_property,
1110 .atomic_get_property = nouveau_conn_atomic_get_property,
1114 nouveau_connector_hotplug(struct nvif_notify *notify)
1116 struct nouveau_connector *nv_connector =
1117 container_of(notify, typeof(*nv_connector), hpd);
1118 struct drm_connector *connector = &nv_connector->base;
1119 struct nouveau_drm *drm = nouveau_drm(connector->dev);
1120 const struct nvif_notify_conn_rep_v0 *rep = notify->data;
1121 const char *name = connector->name;
1122 struct nouveau_encoder *nv_encoder;
1124 if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) {
1125 NV_DEBUG(drm, "service %s\n", name);
1126 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP)))
1127 nv50_mstm_service(nv_encoder->dp.mstm);
1129 bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG);
1131 NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name);
1132 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP))) {
1134 nv50_mstm_remove(nv_encoder->dp.mstm);
1137 drm_helper_hpd_irq_event(connector->dev);
1140 return NVIF_NOTIFY_KEEP;
1144 nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg)
1146 struct nouveau_connector *nv_connector =
1147 container_of(obj, typeof(*nv_connector), aux);
1148 struct nouveau_encoder *nv_encoder;
1149 struct nvkm_i2c_aux *aux;
1152 nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP);
1153 if (!nv_encoder || !(aux = nv_encoder->aux))
1155 if (WARN_ON(msg->size > 16))
1160 ret = nvkm_i2c_aux_acquire(aux);
1164 ret = nvkm_i2c_aux_xfer(aux, false, msg->request, msg->address,
1165 msg->buffer, msg->size);
1166 nvkm_i2c_aux_release(aux);
1176 drm_conntype_from_dcb(enum dcb_connector_type dcb)
1179 case DCB_CONNECTOR_VGA : return DRM_MODE_CONNECTOR_VGA;
1180 case DCB_CONNECTOR_TV_0 :
1181 case DCB_CONNECTOR_TV_1 :
1182 case DCB_CONNECTOR_TV_3 : return DRM_MODE_CONNECTOR_TV;
1183 case DCB_CONNECTOR_DMS59_0 :
1184 case DCB_CONNECTOR_DMS59_1 :
1185 case DCB_CONNECTOR_DVI_I : return DRM_MODE_CONNECTOR_DVII;
1186 case DCB_CONNECTOR_DVI_D : return DRM_MODE_CONNECTOR_DVID;
1187 case DCB_CONNECTOR_LVDS :
1188 case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS;
1189 case DCB_CONNECTOR_DMS59_DP0:
1190 case DCB_CONNECTOR_DMS59_DP1:
1191 case DCB_CONNECTOR_DP : return DRM_MODE_CONNECTOR_DisplayPort;
1192 case DCB_CONNECTOR_eDP : return DRM_MODE_CONNECTOR_eDP;
1193 case DCB_CONNECTOR_HDMI_0 :
1194 case DCB_CONNECTOR_HDMI_1 :
1195 case DCB_CONNECTOR_HDMI_C : return DRM_MODE_CONNECTOR_HDMIA;
1200 return DRM_MODE_CONNECTOR_Unknown;
1203 struct drm_connector *
1204 nouveau_connector_create(struct drm_device *dev, int index)
1206 const struct drm_connector_funcs *funcs = &nouveau_connector_funcs;
1207 struct nouveau_drm *drm = nouveau_drm(dev);
1208 struct nouveau_display *disp = nouveau_display(dev);
1209 struct nouveau_connector *nv_connector = NULL;
1210 struct drm_connector *connector;
1214 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1215 nv_connector = nouveau_connector(connector);
1216 if (nv_connector->index == index)
1220 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL);
1222 return ERR_PTR(-ENOMEM);
1224 connector = &nv_connector->base;
1225 nv_connector->index = index;
1227 /* attempt to parse vbios connector type and hotplug gpio */
1228 nv_connector->dcb = olddcb_conn(dev, index);
1229 if (nv_connector->dcb) {
1230 u32 entry = ROM16(nv_connector->dcb[0]);
1231 if (olddcb_conntab(dev)[3] >= 4)
1232 entry |= (u32)ROM16(nv_connector->dcb[2]) << 16;
1234 nv_connector->type = nv_connector->dcb[0];
1235 if (drm_conntype_from_dcb(nv_connector->type) ==
1236 DRM_MODE_CONNECTOR_Unknown) {
1237 NV_WARN(drm, "unknown connector type %02x\n",
1238 nv_connector->type);
1239 nv_connector->type = DCB_CONNECTOR_NONE;
1242 /* Gigabyte NX85T */
1243 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) {
1244 if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1245 nv_connector->type = DCB_CONNECTOR_DVI_I;
1248 /* Gigabyte GV-NX86T512H */
1249 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) {
1250 if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1251 nv_connector->type = DCB_CONNECTOR_DVI_I;
1254 nv_connector->type = DCB_CONNECTOR_NONE;
1257 /* no vbios data, or an unknown dcb connector type - attempt to
1258 * figure out something suitable ourselves
1260 if (nv_connector->type == DCB_CONNECTOR_NONE) {
1261 struct nouveau_drm *drm = nouveau_drm(dev);
1262 struct dcb_table *dcbt = &drm->vbios.dcb;
1266 for (i = 0; i < dcbt->entries; i++) {
1267 if (dcbt->entry[i].connector == nv_connector->index)
1268 encoders |= (1 << dcbt->entry[i].type);
1271 if (encoders & (1 << DCB_OUTPUT_DP)) {
1272 if (encoders & (1 << DCB_OUTPUT_TMDS))
1273 nv_connector->type = DCB_CONNECTOR_DP;
1275 nv_connector->type = DCB_CONNECTOR_eDP;
1277 if (encoders & (1 << DCB_OUTPUT_TMDS)) {
1278 if (encoders & (1 << DCB_OUTPUT_ANALOG))
1279 nv_connector->type = DCB_CONNECTOR_DVI_I;
1281 nv_connector->type = DCB_CONNECTOR_DVI_D;
1283 if (encoders & (1 << DCB_OUTPUT_ANALOG)) {
1284 nv_connector->type = DCB_CONNECTOR_VGA;
1286 if (encoders & (1 << DCB_OUTPUT_LVDS)) {
1287 nv_connector->type = DCB_CONNECTOR_LVDS;
1289 if (encoders & (1 << DCB_OUTPUT_TV)) {
1290 nv_connector->type = DCB_CONNECTOR_TV_0;
1294 switch ((type = drm_conntype_from_dcb(nv_connector->type))) {
1295 case DRM_MODE_CONNECTOR_LVDS:
1296 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy);
1298 NV_ERROR(drm, "Error parsing LVDS table, disabling\n");
1299 kfree(nv_connector);
1300 return ERR_PTR(ret);
1303 funcs = &nouveau_connector_funcs_lvds;
1305 case DRM_MODE_CONNECTOR_DisplayPort:
1306 case DRM_MODE_CONNECTOR_eDP:
1307 nv_connector->aux.dev = dev->dev;
1308 nv_connector->aux.transfer = nouveau_connector_aux_xfer;
1309 ret = drm_dp_aux_register(&nv_connector->aux);
1311 NV_ERROR(drm, "failed to register aux channel\n");
1312 kfree(nv_connector);
1313 return ERR_PTR(ret);
1316 funcs = &nouveau_connector_funcs;
1319 funcs = &nouveau_connector_funcs;
1323 /* defaults, will get overridden in detect() */
1324 connector->interlace_allowed = false;
1325 connector->doublescan_allowed = false;
1327 drm_connector_init(dev, connector, funcs, type);
1328 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs);
1330 connector->funcs->reset(connector);
1331 nouveau_conn_attach_properties(connector);
1333 /* Default scaling mode */
1334 switch (nv_connector->type) {
1335 case DCB_CONNECTOR_LVDS:
1336 case DCB_CONNECTOR_LVDS_SPWG:
1337 case DCB_CONNECTOR_eDP:
1338 /* see note in nouveau_connector_set_property() */
1339 if (disp->disp.oclass < NV50_DISP) {
1340 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
1343 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1346 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1350 /* dithering properties */
1351 switch (nv_connector->type) {
1352 case DCB_CONNECTOR_TV_0:
1353 case DCB_CONNECTOR_TV_1:
1354 case DCB_CONNECTOR_TV_3:
1355 case DCB_CONNECTOR_VGA:
1358 nv_connector->dithering_mode = DITHERING_MODE_AUTO;
1362 ret = nvif_notify_init(&disp->disp, nouveau_connector_hotplug, true,
1363 NV04_DISP_NTFY_CONN,
1364 &(struct nvif_notify_conn_req_v0) {
1365 .mask = NVIF_NOTIFY_CONN_V0_ANY,
1368 sizeof(struct nvif_notify_conn_req_v0),
1369 sizeof(struct nvif_notify_conn_rep_v0),
1370 &nv_connector->hpd);
1372 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1374 connector->polled = DRM_CONNECTOR_POLL_HPD;
1376 drm_connector_register(connector);