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>
32 #include <drm/drm_edid.h>
33 #include <drm/drm_crtc_helper.h>
35 #include "nouveau_reg.h"
36 #include "nouveau_drm.h"
37 #include "dispnv04/hw.h"
38 #include "nouveau_acpi.h"
40 #include "nouveau_display.h"
41 #include "nouveau_connector.h"
42 #include "nouveau_encoder.h"
43 #include "nouveau_crtc.h"
45 #include <subdev/i2c.h>
46 #include <subdev/gpio.h>
48 MODULE_PARM_DESC(tv_disable, "Disable TV-out detection");
49 static int nouveau_tv_disable = 0;
50 module_param_named(tv_disable, nouveau_tv_disable, int, 0400);
52 MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status");
53 static int nouveau_ignorelid = 0;
54 module_param_named(ignorelid, nouveau_ignorelid, int, 0400);
56 MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (default: enabled)");
57 static int nouveau_duallink = 1;
58 module_param_named(duallink, nouveau_duallink, int, 0400);
60 struct nouveau_encoder *
61 find_encoder(struct drm_connector *connector, int type)
63 struct drm_device *dev = connector->dev;
64 struct nouveau_encoder *nv_encoder;
65 struct drm_mode_object *obj;
68 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
69 id = connector->encoder_ids[i];
73 obj = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_ENCODER);
76 nv_encoder = nouveau_encoder(obj_to_encoder(obj));
78 if (type == DCB_OUTPUT_ANY || nv_encoder->dcb->type == type)
85 struct nouveau_connector *
86 nouveau_encoder_connector_get(struct nouveau_encoder *encoder)
88 struct drm_device *dev = to_drm_encoder(encoder)->dev;
89 struct drm_connector *drm_connector;
91 list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) {
92 if (drm_connector->encoder == to_drm_encoder(encoder))
93 return nouveau_connector(drm_connector);
100 nouveau_connector_destroy(struct drm_connector *connector)
102 struct nouveau_connector *nv_connector = nouveau_connector(connector);
103 nouveau_event_ref(NULL, &nv_connector->hpd_func);
104 kfree(nv_connector->edid);
105 drm_sysfs_connector_remove(connector);
106 drm_connector_cleanup(connector);
110 static struct nouveau_i2c_port *
111 nouveau_connector_ddc_detect(struct drm_connector *connector,
112 struct nouveau_encoder **pnv_encoder)
114 struct drm_device *dev = connector->dev;
115 struct nouveau_connector *nv_connector = nouveau_connector(connector);
116 struct nouveau_drm *drm = nouveau_drm(dev);
117 struct nouveau_gpio *gpio = nouveau_gpio(drm->device);
118 struct nouveau_i2c_port *port = NULL;
119 int i, panel = -ENODEV;
121 /* eDP panels need powering on by us (if the VBIOS doesn't default it
122 * to on) before doing any AUX channel transactions. LVDS panel power
123 * is handled by the SOR itself, and not required for LVDS DDC.
125 if (nv_connector->type == DCB_CONNECTOR_eDP) {
126 panel = gpio->get(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff);
128 gpio->set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, 1);
133 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
134 struct nouveau_encoder *nv_encoder;
135 struct drm_mode_object *obj;
138 id = connector->encoder_ids[i];
142 obj = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_ENCODER);
145 nv_encoder = nouveau_encoder(obj_to_encoder(obj));
147 port = nv_encoder->i2c;
148 if (port && nv_probe_i2c(port, 0x50)) {
149 *pnv_encoder = nv_encoder;
156 /* eDP panel not detected, restore panel power GPIO to previous
157 * state to avoid confusing the SOR for other output types.
159 if (!port && panel == 0)
160 gpio->set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, panel);
165 static struct nouveau_encoder *
166 nouveau_connector_of_detect(struct drm_connector *connector)
169 struct drm_device *dev = connector->dev;
170 struct nouveau_connector *nv_connector = nouveau_connector(connector);
171 struct nouveau_encoder *nv_encoder;
172 struct device_node *cn, *dn = pci_device_to_OF_node(dev->pdev);
175 !((nv_encoder = find_encoder(connector, DCB_OUTPUT_TMDS)) ||
176 (nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG))))
179 for_each_child_of_node(dn, cn) {
180 const char *name = of_get_property(cn, "name", NULL);
181 const void *edid = of_get_property(cn, "EDID", NULL);
182 int idx = name ? name[strlen(name) - 1] - 'A' : 0;
184 if (nv_encoder->dcb->i2c_index == idx && edid) {
186 kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
196 nouveau_connector_set_encoder(struct drm_connector *connector,
197 struct nouveau_encoder *nv_encoder)
199 struct nouveau_connector *nv_connector = nouveau_connector(connector);
200 struct nouveau_drm *drm = nouveau_drm(connector->dev);
201 struct drm_device *dev = connector->dev;
203 if (nv_connector->detected_encoder == nv_encoder)
205 nv_connector->detected_encoder = nv_encoder;
207 if (nv_device(drm->device)->card_type >= NV_50) {
208 connector->interlace_allowed = true;
209 connector->doublescan_allowed = true;
211 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS ||
212 nv_encoder->dcb->type == DCB_OUTPUT_TMDS) {
213 connector->doublescan_allowed = false;
214 connector->interlace_allowed = false;
216 connector->doublescan_allowed = true;
217 if (nv_device(drm->device)->card_type == NV_20 ||
218 ((nv_device(drm->device)->card_type == NV_10 ||
219 nv_device(drm->device)->card_type == NV_11) &&
220 (dev->pdev->device & 0x0ff0) != 0x0100 &&
221 (dev->pdev->device & 0x0ff0) != 0x0150))
223 connector->interlace_allowed = false;
225 connector->interlace_allowed = true;
228 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
229 drm_object_property_set_value(&connector->base,
230 dev->mode_config.dvi_i_subconnector_property,
231 nv_encoder->dcb->type == DCB_OUTPUT_TMDS ?
232 DRM_MODE_SUBCONNECTOR_DVID :
233 DRM_MODE_SUBCONNECTOR_DVIA);
237 static enum drm_connector_status
238 nouveau_connector_detect(struct drm_connector *connector, bool force)
240 struct drm_device *dev = connector->dev;
241 struct nouveau_drm *drm = nouveau_drm(dev);
242 struct nouveau_connector *nv_connector = nouveau_connector(connector);
243 struct nouveau_encoder *nv_encoder = NULL;
244 struct nouveau_encoder *nv_partner;
245 struct nouveau_i2c_port *i2c;
248 enum drm_connector_status conn_status = connector_status_disconnected;
250 /* Cleanup the previous EDID block. */
251 if (nv_connector->edid) {
252 drm_mode_connector_update_edid_property(connector, NULL);
253 kfree(nv_connector->edid);
254 nv_connector->edid = NULL;
257 ret = pm_runtime_get_sync(connector->dev->dev);
258 if (ret < 0 && ret != -EACCES)
261 i2c = nouveau_connector_ddc_detect(connector, &nv_encoder);
263 nv_connector->edid = drm_get_edid(connector, &i2c->adapter);
264 drm_mode_connector_update_edid_property(connector,
266 if (!nv_connector->edid) {
267 NV_ERROR(drm, "DDC responded, but no EDID for %s\n",
272 if (nv_encoder->dcb->type == DCB_OUTPUT_DP &&
273 !nouveau_dp_detect(to_drm_encoder(nv_encoder))) {
274 NV_ERROR(drm, "Detected %s, but failed init\n",
276 conn_status = connector_status_disconnected;
280 /* Override encoder type for DVI-I based on whether EDID
281 * says the display is digital or analog, both use the
282 * same i2c channel so the value returned from ddc_detect
283 * isn't necessarily correct.
286 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS)
287 nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG);
288 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG)
289 nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS);
291 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG &&
292 nv_partner->dcb->type == DCB_OUTPUT_TMDS) ||
293 (nv_encoder->dcb->type == DCB_OUTPUT_TMDS &&
294 nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) {
295 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL)
296 type = DCB_OUTPUT_TMDS;
298 type = DCB_OUTPUT_ANALOG;
300 nv_encoder = find_encoder(connector, type);
303 nouveau_connector_set_encoder(connector, nv_encoder);
304 conn_status = connector_status_connected;
308 nv_encoder = nouveau_connector_of_detect(connector);
310 nouveau_connector_set_encoder(connector, nv_encoder);
311 conn_status = connector_status_connected;
316 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG);
317 if (!nv_encoder && !nouveau_tv_disable)
318 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV);
319 if (nv_encoder && force) {
320 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
321 struct drm_encoder_helper_funcs *helper =
322 encoder->helper_private;
324 if (helper->detect(encoder, connector) ==
325 connector_status_connected) {
326 nouveau_connector_set_encoder(connector, nv_encoder);
327 conn_status = connector_status_connected;
335 pm_runtime_mark_last_busy(connector->dev->dev);
336 pm_runtime_put_autosuspend(connector->dev->dev);
341 static enum drm_connector_status
342 nouveau_connector_detect_lvds(struct drm_connector *connector, bool force)
344 struct drm_device *dev = connector->dev;
345 struct nouveau_drm *drm = nouveau_drm(dev);
346 struct nouveau_connector *nv_connector = nouveau_connector(connector);
347 struct nouveau_encoder *nv_encoder = NULL;
348 enum drm_connector_status status = connector_status_disconnected;
350 /* Cleanup the previous EDID block. */
351 if (nv_connector->edid) {
352 drm_mode_connector_update_edid_property(connector, NULL);
353 kfree(nv_connector->edid);
354 nv_connector->edid = NULL;
357 nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS);
359 return connector_status_disconnected;
361 /* Try retrieving EDID via DDC */
362 if (!drm->vbios.fp_no_ddc) {
363 status = nouveau_connector_detect(connector, force);
364 if (status == connector_status_connected)
368 /* On some laptops (Sony, i'm looking at you) there appears to
369 * be no direct way of accessing the panel's EDID. The only
370 * option available to us appears to be to ask ACPI for help..
372 * It's important this check's before trying straps, one of the
373 * said manufacturer's laptops are configured in such a way
374 * the nouveau decides an entry in the VBIOS FP mode table is
375 * valid - it's not (rh#613284)
377 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) {
378 if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) {
379 status = connector_status_connected;
384 /* If no EDID found above, and the VBIOS indicates a hardcoded
385 * modeline is avalilable for the panel, set it as the panel's
386 * native mode and exit.
388 if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc ||
389 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) {
390 status = connector_status_connected;
394 /* Still nothing, some VBIOS images have a hardcoded EDID block
395 * stored for the panel stored in them.
397 if (!drm->vbios.fp_no_ddc) {
399 (struct edid *)nouveau_bios_embedded_edid(dev);
402 kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
403 if (nv_connector->edid)
404 status = connector_status_connected;
409 #if defined(CONFIG_ACPI_BUTTON) || \
410 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE))
411 if (status == connector_status_connected &&
412 !nouveau_ignorelid && !acpi_lid_open())
413 status = connector_status_unknown;
416 drm_mode_connector_update_edid_property(connector, nv_connector->edid);
417 nouveau_connector_set_encoder(connector, nv_encoder);
422 nouveau_connector_force(struct drm_connector *connector)
424 struct nouveau_drm *drm = nouveau_drm(connector->dev);
425 struct nouveau_connector *nv_connector = nouveau_connector(connector);
426 struct nouveau_encoder *nv_encoder;
429 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
430 if (connector->force == DRM_FORCE_ON_DIGITAL)
431 type = DCB_OUTPUT_TMDS;
433 type = DCB_OUTPUT_ANALOG;
435 type = DCB_OUTPUT_ANY;
437 nv_encoder = find_encoder(connector, type);
439 NV_ERROR(drm, "can't find encoder to force %s on!\n",
441 connector->status = connector_status_disconnected;
445 nouveau_connector_set_encoder(connector, nv_encoder);
449 nouveau_connector_set_property(struct drm_connector *connector,
450 struct drm_property *property, uint64_t value)
452 struct nouveau_display *disp = nouveau_display(connector->dev);
453 struct nouveau_connector *nv_connector = nouveau_connector(connector);
454 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
455 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
456 struct drm_device *dev = connector->dev;
457 struct nouveau_crtc *nv_crtc;
461 if (connector->encoder && connector->encoder->crtc)
462 nv_crtc = nouveau_crtc(connector->encoder->crtc);
465 if (property == dev->mode_config.scaling_mode_property) {
466 bool modeset = false;
469 case DRM_MODE_SCALE_NONE:
470 case DRM_MODE_SCALE_FULLSCREEN:
471 case DRM_MODE_SCALE_CENTER:
472 case DRM_MODE_SCALE_ASPECT:
478 /* LVDS always needs gpu scaling */
479 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS &&
480 value == DRM_MODE_SCALE_NONE)
483 /* Changing between GPU and panel scaling requires a full
486 if ((nv_connector->scaling_mode == DRM_MODE_SCALE_NONE) ||
487 (value == DRM_MODE_SCALE_NONE))
489 nv_connector->scaling_mode = value;
494 if (modeset || !nv_crtc->set_scale) {
495 ret = drm_crtc_helper_set_mode(&nv_crtc->base,
498 nv_crtc->base.y, NULL);
502 ret = nv_crtc->set_scale(nv_crtc, true);
511 if (property == disp->underscan_property) {
512 if (nv_connector->underscan != value) {
513 nv_connector->underscan = value;
514 if (!nv_crtc || !nv_crtc->set_scale)
517 return nv_crtc->set_scale(nv_crtc, true);
523 if (property == disp->underscan_hborder_property) {
524 if (nv_connector->underscan_hborder != value) {
525 nv_connector->underscan_hborder = value;
526 if (!nv_crtc || !nv_crtc->set_scale)
529 return nv_crtc->set_scale(nv_crtc, true);
535 if (property == disp->underscan_vborder_property) {
536 if (nv_connector->underscan_vborder != value) {
537 nv_connector->underscan_vborder = value;
538 if (!nv_crtc || !nv_crtc->set_scale)
541 return nv_crtc->set_scale(nv_crtc, true);
548 if (property == disp->dithering_mode) {
549 nv_connector->dithering_mode = value;
550 if (!nv_crtc || !nv_crtc->set_dither)
553 return nv_crtc->set_dither(nv_crtc, true);
556 if (property == disp->dithering_depth) {
557 nv_connector->dithering_depth = value;
558 if (!nv_crtc || !nv_crtc->set_dither)
561 return nv_crtc->set_dither(nv_crtc, true);
564 if (nv_crtc && nv_crtc->set_color_vibrance) {
566 if (property == disp->vibrant_hue_property) {
567 nv_crtc->vibrant_hue = value - 90;
568 return nv_crtc->set_color_vibrance(nv_crtc, true);
571 if (property == disp->color_vibrance_property) {
572 nv_crtc->color_vibrance = value - 100;
573 return nv_crtc->set_color_vibrance(nv_crtc, true);
577 if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV)
578 return get_slave_funcs(encoder)->set_property(
579 encoder, connector, property, value);
584 static struct drm_display_mode *
585 nouveau_connector_native_mode(struct drm_connector *connector)
587 struct drm_connector_helper_funcs *helper = connector->helper_private;
588 struct nouveau_drm *drm = nouveau_drm(connector->dev);
589 struct nouveau_connector *nv_connector = nouveau_connector(connector);
590 struct drm_device *dev = connector->dev;
591 struct drm_display_mode *mode, *largest = NULL;
592 int high_w = 0, high_h = 0, high_v = 0;
594 list_for_each_entry(mode, &nv_connector->base.probed_modes, head) {
595 mode->vrefresh = drm_mode_vrefresh(mode);
596 if (helper->mode_valid(connector, mode) != MODE_OK ||
597 (mode->flags & DRM_MODE_FLAG_INTERLACE))
600 /* Use preferred mode if there is one.. */
601 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
602 NV_DEBUG(drm, "native mode from preferred\n");
603 return drm_mode_duplicate(dev, mode);
606 /* Otherwise, take the resolution with the largest width, then
607 * height, then vertical refresh
609 if (mode->hdisplay < high_w)
612 if (mode->hdisplay == high_w && mode->vdisplay < high_h)
615 if (mode->hdisplay == high_w && mode->vdisplay == high_h &&
616 mode->vrefresh < high_v)
619 high_w = mode->hdisplay;
620 high_h = mode->vdisplay;
621 high_v = mode->vrefresh;
625 NV_DEBUG(drm, "native mode from largest: %dx%d@%d\n",
626 high_w, high_h, high_v);
627 return largest ? drm_mode_duplicate(dev, largest) : NULL;
635 static struct moderec scaler_modes[] = {
654 nouveau_connector_scaler_modes_add(struct drm_connector *connector)
656 struct nouveau_connector *nv_connector = nouveau_connector(connector);
657 struct drm_display_mode *native = nv_connector->native_mode, *m;
658 struct drm_device *dev = connector->dev;
659 struct moderec *mode = &scaler_modes[0];
665 while (mode->hdisplay) {
666 if (mode->hdisplay <= native->hdisplay &&
667 mode->vdisplay <= native->vdisplay) {
668 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay,
669 drm_mode_vrefresh(native), false,
674 m->type |= DRM_MODE_TYPE_DRIVER;
676 drm_mode_probed_add(connector, m);
687 nouveau_connector_detect_depth(struct drm_connector *connector)
689 struct nouveau_drm *drm = nouveau_drm(connector->dev);
690 struct nouveau_connector *nv_connector = nouveau_connector(connector);
691 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
692 struct nvbios *bios = &drm->vbios;
693 struct drm_display_mode *mode = nv_connector->native_mode;
696 /* if the edid is feeling nice enough to provide this info, use it */
697 if (nv_connector->edid && connector->display_info.bpc)
700 /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */
701 if (nv_connector->type == DCB_CONNECTOR_eDP) {
702 connector->display_info.bpc = 6;
706 /* we're out of options unless we're LVDS, default to 8bpc */
707 if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) {
708 connector->display_info.bpc = 8;
712 connector->display_info.bpc = 6;
714 /* LVDS: panel straps */
715 if (bios->fp_no_ddc) {
716 if (bios->fp.if_is_24bit)
717 connector->display_info.bpc = 8;
721 /* LVDS: DDC panel, need to first determine the number of links to
722 * know which if_is_24bit flag to check...
724 if (nv_connector->edid &&
725 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG)
726 duallink = ((u8 *)nv_connector->edid)[121] == 2;
728 duallink = mode->clock >= bios->fp.duallink_transition_clk;
730 if ((!duallink && (bios->fp.strapless_is_24bit & 1)) ||
731 ( duallink && (bios->fp.strapless_is_24bit & 2)))
732 connector->display_info.bpc = 8;
736 nouveau_connector_get_modes(struct drm_connector *connector)
738 struct drm_device *dev = connector->dev;
739 struct nouveau_drm *drm = nouveau_drm(dev);
740 struct nouveau_connector *nv_connector = nouveau_connector(connector);
741 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
742 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
745 /* destroy the native mode, the attached monitor could have changed.
747 if (nv_connector->native_mode) {
748 drm_mode_destroy(dev, nv_connector->native_mode);
749 nv_connector->native_mode = NULL;
752 if (nv_connector->edid)
753 ret = drm_add_edid_modes(connector, nv_connector->edid);
755 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS &&
756 (nv_encoder->dcb->lvdsconf.use_straps_for_mode ||
757 drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) {
758 struct drm_display_mode mode;
760 nouveau_bios_fp_mode(dev, &mode);
761 nv_connector->native_mode = drm_mode_duplicate(dev, &mode);
764 /* Determine display colour depth for everything except LVDS now,
765 * DP requires this before mode_valid() is called.
767 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS)
768 nouveau_connector_detect_depth(connector);
770 /* Find the native mode if this is a digital panel, if we didn't
771 * find any modes through DDC previously add the native mode to
774 if (!nv_connector->native_mode)
775 nv_connector->native_mode =
776 nouveau_connector_native_mode(connector);
777 if (ret == 0 && nv_connector->native_mode) {
778 struct drm_display_mode *mode;
780 mode = drm_mode_duplicate(dev, nv_connector->native_mode);
781 drm_mode_probed_add(connector, mode);
785 /* Determine LVDS colour depth, must happen after determining
786 * "native" mode as some VBIOS tables require us to use the
787 * pixel clock as part of the lookup...
789 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
790 nouveau_connector_detect_depth(connector);
792 if (nv_encoder->dcb->type == DCB_OUTPUT_TV)
793 ret = get_slave_funcs(encoder)->get_modes(encoder, connector);
795 if (nv_connector->type == DCB_CONNECTOR_LVDS ||
796 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG ||
797 nv_connector->type == DCB_CONNECTOR_eDP)
798 ret += nouveau_connector_scaler_modes_add(connector);
804 get_tmds_link_bandwidth(struct drm_connector *connector)
806 struct nouveau_connector *nv_connector = nouveau_connector(connector);
807 struct nouveau_drm *drm = nouveau_drm(connector->dev);
808 struct dcb_output *dcb = nv_connector->detected_encoder->dcb;
810 if (dcb->location != DCB_LOC_ON_CHIP ||
811 nv_device(drm->device)->chipset >= 0x46)
813 else if (nv_device(drm->device)->chipset >= 0x40)
815 else if (nv_device(drm->device)->chipset >= 0x18)
822 nouveau_connector_mode_valid(struct drm_connector *connector,
823 struct drm_display_mode *mode)
825 struct nouveau_connector *nv_connector = nouveau_connector(connector);
826 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
827 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
828 unsigned min_clock = 25000, max_clock = min_clock;
829 unsigned clock = mode->clock;
831 switch (nv_encoder->dcb->type) {
832 case DCB_OUTPUT_LVDS:
833 if (nv_connector->native_mode &&
834 (mode->hdisplay > nv_connector->native_mode->hdisplay ||
835 mode->vdisplay > nv_connector->native_mode->vdisplay))
841 case DCB_OUTPUT_TMDS:
842 max_clock = get_tmds_link_bandwidth(connector);
843 if (nouveau_duallink && nv_encoder->dcb->duallink_possible)
846 case DCB_OUTPUT_ANALOG:
847 max_clock = nv_encoder->dcb->crtconf.maxfreq;
852 return get_slave_funcs(encoder)->mode_valid(encoder, mode);
854 max_clock = nv_encoder->dp.link_nr;
855 max_clock *= nv_encoder->dp.link_bw;
856 clock = clock * (connector->display_info.bpc * 3) / 10;
863 if (clock < min_clock)
864 return MODE_CLOCK_LOW;
866 if (clock > max_clock)
867 return MODE_CLOCK_HIGH;
872 static struct drm_encoder *
873 nouveau_connector_best_encoder(struct drm_connector *connector)
875 struct nouveau_connector *nv_connector = nouveau_connector(connector);
877 if (nv_connector->detected_encoder)
878 return to_drm_encoder(nv_connector->detected_encoder);
883 static const struct drm_connector_helper_funcs
884 nouveau_connector_helper_funcs = {
885 .get_modes = nouveau_connector_get_modes,
886 .mode_valid = nouveau_connector_mode_valid,
887 .best_encoder = nouveau_connector_best_encoder,
890 static const struct drm_connector_funcs
891 nouveau_connector_funcs = {
892 .dpms = drm_helper_connector_dpms,
895 .detect = nouveau_connector_detect,
896 .destroy = nouveau_connector_destroy,
897 .fill_modes = drm_helper_probe_single_connector_modes,
898 .set_property = nouveau_connector_set_property,
899 .force = nouveau_connector_force
902 static const struct drm_connector_funcs
903 nouveau_connector_funcs_lvds = {
904 .dpms = drm_helper_connector_dpms,
907 .detect = nouveau_connector_detect_lvds,
908 .destroy = nouveau_connector_destroy,
909 .fill_modes = drm_helper_probe_single_connector_modes,
910 .set_property = nouveau_connector_set_property,
911 .force = nouveau_connector_force
915 nouveau_connector_hotplug_work(struct work_struct *work)
917 struct nouveau_connector *nv_connector =
918 container_of(work, struct nouveau_connector, hpd_work);
919 struct drm_connector *connector = &nv_connector->base;
920 struct drm_device *dev = connector->dev;
921 struct nouveau_drm *drm = nouveau_drm(dev);
922 struct nouveau_gpio *gpio = nouveau_gpio(drm->device);
923 bool plugged = gpio->get(gpio, 0, nv_connector->hpd.func, 0xff);
925 NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un",
929 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
931 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
933 drm_helper_hpd_irq_event(dev);
937 nouveau_connector_hotplug(void *data, int index)
939 struct nouveau_connector *nv_connector = data;
940 schedule_work(&nv_connector->hpd_work);
941 return NVKM_EVENT_KEEP;
945 drm_conntype_from_dcb(enum dcb_connector_type dcb)
948 case DCB_CONNECTOR_VGA : return DRM_MODE_CONNECTOR_VGA;
949 case DCB_CONNECTOR_TV_0 :
950 case DCB_CONNECTOR_TV_1 :
951 case DCB_CONNECTOR_TV_3 : return DRM_MODE_CONNECTOR_TV;
952 case DCB_CONNECTOR_DMS59_0 :
953 case DCB_CONNECTOR_DMS59_1 :
954 case DCB_CONNECTOR_DVI_I : return DRM_MODE_CONNECTOR_DVII;
955 case DCB_CONNECTOR_DVI_D : return DRM_MODE_CONNECTOR_DVID;
956 case DCB_CONNECTOR_LVDS :
957 case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS;
958 case DCB_CONNECTOR_DMS59_DP0:
959 case DCB_CONNECTOR_DMS59_DP1:
960 case DCB_CONNECTOR_DP : return DRM_MODE_CONNECTOR_DisplayPort;
961 case DCB_CONNECTOR_eDP : return DRM_MODE_CONNECTOR_eDP;
962 case DCB_CONNECTOR_HDMI_0 :
963 case DCB_CONNECTOR_HDMI_1 :
964 case DCB_CONNECTOR_HDMI_C : return DRM_MODE_CONNECTOR_HDMIA;
969 return DRM_MODE_CONNECTOR_Unknown;
972 struct drm_connector *
973 nouveau_connector_create(struct drm_device *dev, int index)
975 const struct drm_connector_funcs *funcs = &nouveau_connector_funcs;
976 struct nouveau_drm *drm = nouveau_drm(dev);
977 struct nouveau_gpio *gpio = nouveau_gpio(drm->device);
978 struct nouveau_display *disp = nouveau_display(dev);
979 struct nouveau_connector *nv_connector = NULL;
980 struct drm_connector *connector;
984 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
985 nv_connector = nouveau_connector(connector);
986 if (nv_connector->index == index)
990 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL);
992 return ERR_PTR(-ENOMEM);
994 connector = &nv_connector->base;
995 INIT_WORK(&nv_connector->hpd_work, nouveau_connector_hotplug_work);
996 nv_connector->index = index;
998 /* attempt to parse vbios connector type and hotplug gpio */
999 nv_connector->dcb = olddcb_conn(dev, index);
1000 if (nv_connector->dcb) {
1001 static const u8 hpd[16] = {
1002 0xff, 0x07, 0x08, 0xff, 0xff, 0x51, 0x52, 0xff,
1003 0xff, 0xff, 0xff, 0xff, 0xff, 0x5e, 0x5f, 0x60,
1006 u32 entry = ROM16(nv_connector->dcb[0]);
1007 if (olddcb_conntab(dev)[3] >= 4)
1008 entry |= (u32)ROM16(nv_connector->dcb[2]) << 16;
1010 ret = gpio->find(gpio, 0, hpd[ffs((entry & 0x07033000) >> 12)],
1011 DCB_GPIO_UNUSED, &nv_connector->hpd);
1013 nv_connector->hpd.func = DCB_GPIO_UNUSED;
1015 if (nv_connector->hpd.func != DCB_GPIO_UNUSED) {
1016 nouveau_event_new(gpio->events, nv_connector->hpd.line,
1017 nouveau_connector_hotplug,
1019 &nv_connector->hpd_func);
1022 nv_connector->type = nv_connector->dcb[0];
1023 if (drm_conntype_from_dcb(nv_connector->type) ==
1024 DRM_MODE_CONNECTOR_Unknown) {
1025 NV_WARN(drm, "unknown connector type %02x\n",
1026 nv_connector->type);
1027 nv_connector->type = DCB_CONNECTOR_NONE;
1030 /* Gigabyte NX85T */
1031 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) {
1032 if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1033 nv_connector->type = DCB_CONNECTOR_DVI_I;
1036 /* Gigabyte GV-NX86T512H */
1037 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) {
1038 if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1039 nv_connector->type = DCB_CONNECTOR_DVI_I;
1042 nv_connector->type = DCB_CONNECTOR_NONE;
1043 nv_connector->hpd.func = DCB_GPIO_UNUSED;
1046 /* no vbios data, or an unknown dcb connector type - attempt to
1047 * figure out something suitable ourselves
1049 if (nv_connector->type == DCB_CONNECTOR_NONE) {
1050 struct nouveau_drm *drm = nouveau_drm(dev);
1051 struct dcb_table *dcbt = &drm->vbios.dcb;
1055 for (i = 0; i < dcbt->entries; i++) {
1056 if (dcbt->entry[i].connector == nv_connector->index)
1057 encoders |= (1 << dcbt->entry[i].type);
1060 if (encoders & (1 << DCB_OUTPUT_DP)) {
1061 if (encoders & (1 << DCB_OUTPUT_TMDS))
1062 nv_connector->type = DCB_CONNECTOR_DP;
1064 nv_connector->type = DCB_CONNECTOR_eDP;
1066 if (encoders & (1 << DCB_OUTPUT_TMDS)) {
1067 if (encoders & (1 << DCB_OUTPUT_ANALOG))
1068 nv_connector->type = DCB_CONNECTOR_DVI_I;
1070 nv_connector->type = DCB_CONNECTOR_DVI_D;
1072 if (encoders & (1 << DCB_OUTPUT_ANALOG)) {
1073 nv_connector->type = DCB_CONNECTOR_VGA;
1075 if (encoders & (1 << DCB_OUTPUT_LVDS)) {
1076 nv_connector->type = DCB_CONNECTOR_LVDS;
1078 if (encoders & (1 << DCB_OUTPUT_TV)) {
1079 nv_connector->type = DCB_CONNECTOR_TV_0;
1083 type = drm_conntype_from_dcb(nv_connector->type);
1084 if (type == DRM_MODE_CONNECTOR_LVDS) {
1085 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy);
1087 NV_ERROR(drm, "Error parsing LVDS table, disabling\n");
1088 kfree(nv_connector);
1089 return ERR_PTR(ret);
1092 funcs = &nouveau_connector_funcs_lvds;
1094 funcs = &nouveau_connector_funcs;
1097 /* defaults, will get overridden in detect() */
1098 connector->interlace_allowed = false;
1099 connector->doublescan_allowed = false;
1101 drm_connector_init(dev, connector, funcs, type);
1102 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs);
1104 /* Init DVI-I specific properties */
1105 if (nv_connector->type == DCB_CONNECTOR_DVI_I)
1106 drm_object_attach_property(&connector->base, dev->mode_config.dvi_i_subconnector_property, 0);
1108 /* Add overscan compensation options to digital outputs */
1109 if (disp->underscan_property &&
1110 (type == DRM_MODE_CONNECTOR_DVID ||
1111 type == DRM_MODE_CONNECTOR_DVII ||
1112 type == DRM_MODE_CONNECTOR_HDMIA ||
1113 type == DRM_MODE_CONNECTOR_DisplayPort)) {
1114 drm_object_attach_property(&connector->base,
1115 disp->underscan_property,
1117 drm_object_attach_property(&connector->base,
1118 disp->underscan_hborder_property,
1120 drm_object_attach_property(&connector->base,
1121 disp->underscan_vborder_property,
1125 /* Add hue and saturation options */
1126 if (disp->vibrant_hue_property)
1127 drm_object_attach_property(&connector->base,
1128 disp->vibrant_hue_property,
1130 if (disp->color_vibrance_property)
1131 drm_object_attach_property(&connector->base,
1132 disp->color_vibrance_property,
1135 switch (nv_connector->type) {
1136 case DCB_CONNECTOR_VGA:
1137 if (nv_device(drm->device)->card_type >= NV_50) {
1138 drm_object_attach_property(&connector->base,
1139 dev->mode_config.scaling_mode_property,
1140 nv_connector->scaling_mode);
1143 case DCB_CONNECTOR_TV_0:
1144 case DCB_CONNECTOR_TV_1:
1145 case DCB_CONNECTOR_TV_3:
1146 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1149 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
1151 drm_object_attach_property(&connector->base,
1152 dev->mode_config.scaling_mode_property,
1153 nv_connector->scaling_mode);
1154 if (disp->dithering_mode) {
1155 nv_connector->dithering_mode = DITHERING_MODE_AUTO;
1156 drm_object_attach_property(&connector->base,
1157 disp->dithering_mode,
1158 nv_connector->dithering_mode);
1160 if (disp->dithering_depth) {
1161 nv_connector->dithering_depth = DITHERING_DEPTH_AUTO;
1162 drm_object_attach_property(&connector->base,
1163 disp->dithering_depth,
1164 nv_connector->dithering_depth);
1169 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1170 if (nv_connector->hpd.func != DCB_GPIO_UNUSED)
1171 connector->polled = DRM_CONNECTOR_POLL_HPD;
1173 drm_sysfs_connector_add(connector);