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path: root/drivers/gpu/drm/nouveau/nouveau_connector.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_connector.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_connector.c824
1 files changed, 824 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c
new file mode 100644
index 0000000..032cf09
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
@@ -0,0 +1,824 @@
+/*
+ * Copyright (C) 2008 Maarten Maathuis.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial
+ * portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include "drmP.h"
+#include "drm_edid.h"
+#include "drm_crtc_helper.h"
+#include "nouveau_reg.h"
+#include "nouveau_drv.h"
+#include "nouveau_encoder.h"
+#include "nouveau_crtc.h"
+#include "nouveau_connector.h"
+#include "nouveau_hw.h"
+
+static inline struct drm_encoder_slave_funcs *
+get_slave_funcs(struct nouveau_encoder *enc)
+{
+ return to_encoder_slave(to_drm_encoder(enc))->slave_funcs;
+}
+
+static struct nouveau_encoder *
+find_encoder_by_type(struct drm_connector *connector, int type)
+{
+ struct drm_device *dev = connector->dev;
+ struct nouveau_encoder *nv_encoder;
+ struct drm_mode_object *obj;
+ int i, id;
+
+ for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
+ id = connector->encoder_ids[i];
+ if (!id)
+ break;
+
+ obj = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_ENCODER);
+ if (!obj)
+ continue;
+ nv_encoder = nouveau_encoder(obj_to_encoder(obj));
+
+ if (type == OUTPUT_ANY || nv_encoder->dcb->type == type)
+ return nv_encoder;
+ }
+
+ return NULL;
+}
+
+struct nouveau_connector *
+nouveau_encoder_connector_get(struct nouveau_encoder *encoder)
+{
+ struct drm_device *dev = to_drm_encoder(encoder)->dev;
+ struct drm_connector *drm_connector;
+
+ list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) {
+ if (drm_connector->encoder == to_drm_encoder(encoder))
+ return nouveau_connector(drm_connector);
+ }
+
+ return NULL;
+}
+
+
+static void
+nouveau_connector_destroy(struct drm_connector *drm_connector)
+{
+ struct nouveau_connector *connector = nouveau_connector(drm_connector);
+ struct drm_device *dev = connector->base.dev;
+
+ NV_DEBUG(dev, "\n");
+
+ if (!connector)
+ return;
+
+ drm_sysfs_connector_remove(drm_connector);
+ drm_connector_cleanup(drm_connector);
+ kfree(drm_connector);
+}
+
+static void
+nouveau_connector_ddc_prepare(struct drm_connector *connector, int *flags)
+{
+ struct drm_nouveau_private *dev_priv = connector->dev->dev_private;
+
+ if (dev_priv->card_type >= NV_50)
+ return;
+
+ *flags = 0;
+ if (NVLockVgaCrtcs(dev_priv->dev, false))
+ *flags |= 1;
+ if (nv_heads_tied(dev_priv->dev))
+ *flags |= 2;
+
+ if (*flags & 2)
+ NVSetOwner(dev_priv->dev, 0); /* necessary? */
+}
+
+static void
+nouveau_connector_ddc_finish(struct drm_connector *connector, int flags)
+{
+ struct drm_nouveau_private *dev_priv = connector->dev->dev_private;
+
+ if (dev_priv->card_type >= NV_50)
+ return;
+
+ if (flags & 2)
+ NVSetOwner(dev_priv->dev, 4);
+ if (flags & 1)
+ NVLockVgaCrtcs(dev_priv->dev, true);
+}
+
+static struct nouveau_i2c_chan *
+nouveau_connector_ddc_detect(struct drm_connector *connector,
+ struct nouveau_encoder **pnv_encoder)
+{
+ struct drm_device *dev = connector->dev;
+ uint8_t out_buf[] = { 0x0, 0x0}, buf[2];
+ int ret, flags, i;
+
+ struct i2c_msg msgs[] = {
+ {
+ .addr = 0x50,
+ .flags = 0,
+ .len = 1,
+ .buf = out_buf,
+ },
+ {
+ .addr = 0x50,
+ .flags = I2C_M_RD,
+ .len = 1,
+ .buf = buf,
+ }
+ };
+
+ for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
+ struct nouveau_i2c_chan *i2c = NULL;
+ struct nouveau_encoder *nv_encoder;
+ struct drm_mode_object *obj;
+ int id;
+
+ id = connector->encoder_ids[i];
+ if (!id)
+ break;
+
+ obj = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_ENCODER);
+ if (!obj)
+ continue;
+ nv_encoder = nouveau_encoder(obj_to_encoder(obj));
+
+ if (nv_encoder->dcb->i2c_index < 0xf)
+ i2c = nouveau_i2c_find(dev, nv_encoder->dcb->i2c_index);
+ if (!i2c)
+ continue;
+
+ nouveau_connector_ddc_prepare(connector, &flags);
+ ret = i2c_transfer(&i2c->adapter, msgs, 2);
+ nouveau_connector_ddc_finish(connector, flags);
+
+ if (ret == 2) {
+ *pnv_encoder = nv_encoder;
+ return i2c;
+ }
+ }
+
+ return NULL;
+}
+
+static void
+nouveau_connector_set_encoder(struct drm_connector *connector,
+ struct nouveau_encoder *nv_encoder)
+{
+ struct nouveau_connector *nv_connector = nouveau_connector(connector);
+ struct drm_nouveau_private *dev_priv = connector->dev->dev_private;
+ struct drm_device *dev = connector->dev;
+
+ if (nv_connector->detected_encoder == nv_encoder)
+ return;
+ nv_connector->detected_encoder = nv_encoder;
+
+ if (nv_encoder->dcb->type == OUTPUT_LVDS ||
+ nv_encoder->dcb->type == OUTPUT_TMDS) {
+ connector->doublescan_allowed = false;
+ connector->interlace_allowed = false;
+ } else {
+ connector->doublescan_allowed = true;
+ if (dev_priv->card_type == NV_20 ||
+ (dev_priv->card_type == NV_10 &&
+ (dev->pci_device & 0x0ff0) != 0x0100 &&
+ (dev->pci_device & 0x0ff0) != 0x0150))
+ /* HW is broken */
+ connector->interlace_allowed = false;
+ else
+ connector->interlace_allowed = true;
+ }
+
+ if (connector->connector_type == DRM_MODE_CONNECTOR_DVII) {
+ drm_connector_property_set_value(connector,
+ dev->mode_config.dvi_i_subconnector_property,
+ nv_encoder->dcb->type == OUTPUT_TMDS ?
+ DRM_MODE_SUBCONNECTOR_DVID :
+ DRM_MODE_SUBCONNECTOR_DVIA);
+ }
+}
+
+static enum drm_connector_status
+nouveau_connector_detect(struct drm_connector *connector)
+{
+ struct drm_device *dev = connector->dev;
+ struct nouveau_connector *nv_connector = nouveau_connector(connector);
+ struct nouveau_encoder *nv_encoder = NULL;
+ struct nouveau_i2c_chan *i2c;
+ int type, flags;
+
+ if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
+ nv_encoder = find_encoder_by_type(connector, OUTPUT_LVDS);
+ if (nv_encoder && nv_connector->native_mode) {
+ nouveau_connector_set_encoder(connector, nv_encoder);
+ return connector_status_connected;
+ }
+
+ i2c = nouveau_connector_ddc_detect(connector, &nv_encoder);
+ if (i2c) {
+ nouveau_connector_ddc_prepare(connector, &flags);
+ nv_connector->edid = drm_get_edid(connector, &i2c->adapter);
+ nouveau_connector_ddc_finish(connector, flags);
+ drm_mode_connector_update_edid_property(connector,
+ nv_connector->edid);
+ if (!nv_connector->edid) {
+ NV_ERROR(dev, "DDC responded, but no EDID for %s\n",
+ drm_get_connector_name(connector));
+ return connector_status_disconnected;
+ }
+
+ if (nv_encoder->dcb->type == OUTPUT_DP &&
+ !nouveau_dp_detect(to_drm_encoder(nv_encoder))) {
+ NV_ERROR(dev, "Detected %s, but failed init\n",
+ drm_get_connector_name(connector));
+ return connector_status_disconnected;
+ }
+
+ /* Override encoder type for DVI-I based on whether EDID
+ * says the display is digital or analog, both use the
+ * same i2c channel so the value returned from ddc_detect
+ * isn't necessarily correct.
+ */
+ if (connector->connector_type == DRM_MODE_CONNECTOR_DVII) {
+ if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL)
+ type = OUTPUT_TMDS;
+ else
+ type = OUTPUT_ANALOG;
+
+ nv_encoder = find_encoder_by_type(connector, type);
+ if (!nv_encoder) {
+ NV_ERROR(dev, "Detected %d encoder on %s, "
+ "but no object!\n", type,
+ drm_get_connector_name(connector));
+ return connector_status_disconnected;
+ }
+ }
+
+ nouveau_connector_set_encoder(connector, nv_encoder);
+ return connector_status_connected;
+ }
+
+ nv_encoder = find_encoder_by_type(connector, OUTPUT_ANALOG);
+ if (!nv_encoder)
+ nv_encoder = find_encoder_by_type(connector, OUTPUT_TV);
+ if (nv_encoder) {
+ struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
+ struct drm_encoder_helper_funcs *helper =
+ encoder->helper_private;
+
+ if (helper->detect(encoder, connector) ==
+ connector_status_connected) {
+ nouveau_connector_set_encoder(connector, nv_encoder);
+ return connector_status_connected;
+ }
+
+ }
+
+ return connector_status_disconnected;
+}
+
+static void
+nouveau_connector_force(struct drm_connector *connector)
+{
+ struct drm_device *dev = connector->dev;
+ struct nouveau_encoder *nv_encoder;
+ int type;
+
+ if (connector->connector_type == DRM_MODE_CONNECTOR_DVII) {
+ if (connector->force == DRM_FORCE_ON_DIGITAL)
+ type = OUTPUT_TMDS;
+ else
+ type = OUTPUT_ANALOG;
+ } else
+ type = OUTPUT_ANY;
+
+ nv_encoder = find_encoder_by_type(connector, type);
+ if (!nv_encoder) {
+ NV_ERROR(dev, "can't find encoder to force %s on!\n",
+ drm_get_connector_name(connector));
+ connector->status = connector_status_disconnected;
+ return;
+ }
+
+ nouveau_connector_set_encoder(connector, nv_encoder);
+}
+
+static int
+nouveau_connector_set_property(struct drm_connector *connector,
+ struct drm_property *property, uint64_t value)
+{
+ struct nouveau_connector *nv_connector = nouveau_connector(connector);
+ struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
+ struct drm_device *dev = connector->dev;
+ int ret;
+
+ /* Scaling mode */
+ if (property == dev->mode_config.scaling_mode_property) {
+ struct nouveau_crtc *nv_crtc = NULL;
+ bool modeset = false;
+
+ switch (value) {
+ case DRM_MODE_SCALE_NONE:
+ case DRM_MODE_SCALE_FULLSCREEN:
+ case DRM_MODE_SCALE_CENTER:
+ case DRM_MODE_SCALE_ASPECT:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* LVDS always needs gpu scaling */
+ if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS &&
+ value == DRM_MODE_SCALE_NONE)
+ return -EINVAL;
+
+ /* Changing between GPU and panel scaling requires a full
+ * modeset
+ */
+ if ((nv_connector->scaling_mode == DRM_MODE_SCALE_NONE) ||
+ (value == DRM_MODE_SCALE_NONE))
+ modeset = true;
+ nv_connector->scaling_mode = value;
+
+ if (connector->encoder && connector->encoder->crtc)
+ nv_crtc = nouveau_crtc(connector->encoder->crtc);
+ if (!nv_crtc)
+ return 0;
+
+ if (modeset || !nv_crtc->set_scale) {
+ ret = drm_crtc_helper_set_mode(&nv_crtc->base,
+ &nv_crtc->base.mode,
+ nv_crtc->base.x,
+ nv_crtc->base.y, NULL);
+ if (!ret)
+ return -EINVAL;
+ } else {
+ ret = nv_crtc->set_scale(nv_crtc, value, true);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+ }
+
+ /* Dithering */
+ if (property == dev->mode_config.dithering_mode_property) {
+ struct nouveau_crtc *nv_crtc = NULL;
+
+ if (value == DRM_MODE_DITHERING_ON)
+ nv_connector->use_dithering = true;
+ else
+ nv_connector->use_dithering = false;
+
+ if (connector->encoder && connector->encoder->crtc)
+ nv_crtc = nouveau_crtc(connector->encoder->crtc);
+
+ if (!nv_crtc || !nv_crtc->set_dither)
+ return 0;
+
+ return nv_crtc->set_dither(nv_crtc, nv_connector->use_dithering,
+ true);
+ }
+
+ if (nv_encoder && nv_encoder->dcb->type == OUTPUT_TV)
+ return get_slave_funcs(nv_encoder)->
+ set_property(to_drm_encoder(nv_encoder), connector, property, value);
+
+ return -EINVAL;
+}
+
+static struct drm_display_mode *
+nouveau_connector_native_mode(struct nouveau_connector *connector)
+{
+ struct drm_device *dev = connector->base.dev;
+ struct drm_display_mode *mode, *largest = NULL;
+ int high_w = 0, high_h = 0, high_v = 0;
+
+ /* Use preferred mode if there is one.. */
+ list_for_each_entry(mode, &connector->base.probed_modes, head) {
+ if (mode->type & DRM_MODE_TYPE_PREFERRED) {
+ NV_DEBUG(dev, "native mode from preferred\n");
+ return drm_mode_duplicate(dev, mode);
+ }
+ }
+
+ /* Otherwise, take the resolution with the largest width, then height,
+ * then vertical refresh
+ */
+ list_for_each_entry(mode, &connector->base.probed_modes, head) {
+ if (mode->hdisplay < high_w)
+ continue;
+
+ if (mode->hdisplay == high_w && mode->vdisplay < high_h)
+ continue;
+
+ if (mode->hdisplay == high_w && mode->vdisplay == high_h &&
+ mode->vrefresh < high_v)
+ continue;
+
+ high_w = mode->hdisplay;
+ high_h = mode->vdisplay;
+ high_v = mode->vrefresh;
+ largest = mode;
+ }
+
+ NV_DEBUG(dev, "native mode from largest: %dx%d@%d\n",
+ high_w, high_h, high_v);
+ return largest ? drm_mode_duplicate(dev, largest) : NULL;
+}
+
+struct moderec {
+ int hdisplay;
+ int vdisplay;
+};
+
+static struct moderec scaler_modes[] = {
+ { 1920, 1200 },
+ { 1920, 1080 },
+ { 1680, 1050 },
+ { 1600, 1200 },
+ { 1400, 1050 },
+ { 1280, 1024 },
+ { 1280, 960 },
+ { 1152, 864 },
+ { 1024, 768 },
+ { 800, 600 },
+ { 720, 400 },
+ { 640, 480 },
+ { 640, 400 },
+ { 640, 350 },
+ {}
+};
+
+static int
+nouveau_connector_scaler_modes_add(struct drm_connector *connector)
+{
+ struct nouveau_connector *nv_connector = nouveau_connector(connector);
+ struct drm_display_mode *native = nv_connector->native_mode, *m;
+ struct drm_device *dev = connector->dev;
+ struct moderec *mode = &scaler_modes[0];
+ int modes = 0;
+
+ if (!native)
+ return 0;
+
+ while (mode->hdisplay) {
+ if (mode->hdisplay <= native->hdisplay &&
+ mode->vdisplay <= native->vdisplay) {
+ m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay,
+ drm_mode_vrefresh(native), false,
+ false, false);
+ if (!m)
+ continue;
+
+ m->type |= DRM_MODE_TYPE_DRIVER;
+
+ drm_mode_probed_add(connector, m);
+ modes++;
+ }
+
+ mode++;
+ }
+
+ return modes;
+}
+
+static int
+nouveau_connector_get_modes(struct drm_connector *connector)
+{
+ struct drm_device *dev = connector->dev;
+ struct nouveau_connector *nv_connector = nouveau_connector(connector);
+ struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
+ int ret = 0;
+
+ /* If we're not LVDS, destroy the previous native mode, the attached
+ * monitor could have changed.
+ */
+ if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS &&
+ nv_connector->native_mode) {
+ drm_mode_destroy(dev, nv_connector->native_mode);
+ nv_connector->native_mode = NULL;
+ }
+
+ if (nv_connector->edid)
+ ret = drm_add_edid_modes(connector, nv_connector->edid);
+
+ /* Find the native mode if this is a digital panel, if we didn't
+ * find any modes through DDC previously add the native mode to
+ * the list of modes.
+ */
+ if (!nv_connector->native_mode)
+ nv_connector->native_mode =
+ nouveau_connector_native_mode(nv_connector);
+ if (ret == 0 && nv_connector->native_mode) {
+ struct drm_display_mode *mode;
+
+ mode = drm_mode_duplicate(dev, nv_connector->native_mode);
+ drm_mode_probed_add(connector, mode);
+ ret = 1;
+ }
+
+ if (nv_encoder->dcb->type == OUTPUT_TV)
+ ret = get_slave_funcs(nv_encoder)->
+ get_modes(to_drm_encoder(nv_encoder), connector);
+
+ if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
+ ret += nouveau_connector_scaler_modes_add(connector);
+
+ return ret;
+}
+
+static int
+nouveau_connector_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ struct drm_nouveau_private *dev_priv = connector->dev->dev_private;
+ struct nouveau_connector *nv_connector = nouveau_connector(connector);
+ struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
+ unsigned min_clock = 25000, max_clock = min_clock;
+ unsigned clock = mode->clock;
+
+ switch (nv_encoder->dcb->type) {
+ case OUTPUT_LVDS:
+ BUG_ON(!nv_connector->native_mode);
+ if (mode->hdisplay > nv_connector->native_mode->hdisplay ||
+ mode->vdisplay > nv_connector->native_mode->vdisplay)
+ return MODE_PANEL;
+
+ min_clock = 0;
+ max_clock = 400000;
+ break;
+ case OUTPUT_TMDS:
+ if ((dev_priv->card_type >= NV_50 && !nouveau_duallink) ||
+ (dev_priv->card_type < NV_50 &&
+ !nv_encoder->dcb->duallink_possible))
+ max_clock = 165000;
+ else
+ max_clock = 330000;
+ break;
+ case OUTPUT_ANALOG:
+ max_clock = nv_encoder->dcb->crtconf.maxfreq;
+ if (!max_clock)
+ max_clock = 350000;
+ break;
+ case OUTPUT_TV:
+ return get_slave_funcs(nv_encoder)->
+ mode_valid(to_drm_encoder(nv_encoder), mode);
+ case OUTPUT_DP:
+ if (nv_encoder->dp.link_bw == DP_LINK_BW_2_7)
+ max_clock = nv_encoder->dp.link_nr * 270000;
+ else
+ max_clock = nv_encoder->dp.link_nr * 162000;
+
+ clock *= 3;
+ break;
+ }
+
+ if (clock < min_clock)
+ return MODE_CLOCK_LOW;
+
+ if (clock > max_clock)
+ return MODE_CLOCK_HIGH;
+
+ return MODE_OK;
+}
+
+static struct drm_encoder *
+nouveau_connector_best_encoder(struct drm_connector *connector)
+{
+ struct nouveau_connector *nv_connector = nouveau_connector(connector);
+
+ if (nv_connector->detected_encoder)
+ return to_drm_encoder(nv_connector->detected_encoder);
+
+ return NULL;
+}
+
+static const struct drm_connector_helper_funcs
+nouveau_connector_helper_funcs = {
+ .get_modes = nouveau_connector_get_modes,
+ .mode_valid = nouveau_connector_mode_valid,
+ .best_encoder = nouveau_connector_best_encoder,
+};
+
+static const struct drm_connector_funcs
+nouveau_connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
+ .save = NULL,
+ .restore = NULL,
+ .detect = nouveau_connector_detect,
+ .destroy = nouveau_connector_destroy,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .set_property = nouveau_connector_set_property,
+ .force = nouveau_connector_force
+};
+
+static int
+nouveau_connector_create_lvds(struct drm_device *dev,
+ struct drm_connector *connector)
+{
+ struct nouveau_connector *nv_connector = nouveau_connector(connector);
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_i2c_chan *i2c = NULL;
+ struct nouveau_encoder *nv_encoder;
+ struct drm_display_mode native, *mode, *temp;
+ bool dummy, if_is_24bit = false;
+ int ret, flags;
+
+ nv_encoder = find_encoder_by_type(connector, OUTPUT_LVDS);
+ if (!nv_encoder)
+ return -ENODEV;
+
+ ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &if_is_24bit);
+ if (ret) {
+ NV_ERROR(dev, "Error parsing LVDS table, disabling LVDS\n");
+ return ret;
+ }
+ nv_connector->use_dithering = !if_is_24bit;
+
+ /* Firstly try getting EDID over DDC, if allowed and I2C channel
+ * is available.
+ */
+ if (!dev_priv->VBIOS.pub.fp_no_ddc && nv_encoder->dcb->i2c_index < 0xf)
+ i2c = nouveau_i2c_find(dev, nv_encoder->dcb->i2c_index);
+
+ if (i2c) {
+ nouveau_connector_ddc_prepare(connector, &flags);
+ nv_connector->edid = drm_get_edid(connector, &i2c->adapter);
+ nouveau_connector_ddc_finish(connector, flags);
+ }
+
+ /* If no EDID found above, and the VBIOS indicates a hardcoded
+ * modeline is avalilable for the panel, set it as the panel's
+ * native mode and exit.
+ */
+ if (!nv_connector->edid && nouveau_bios_fp_mode(dev, &native) &&
+ (nv_encoder->dcb->lvdsconf.use_straps_for_mode ||
+ dev_priv->VBIOS.pub.fp_no_ddc)) {
+ nv_connector->native_mode = drm_mode_duplicate(dev, &native);
+ goto out;
+ }
+
+ /* Still nothing, some VBIOS images have a hardcoded EDID block
+ * stored for the panel stored in them.
+ */
+ if (!nv_connector->edid && !nv_connector->native_mode &&
+ !dev_priv->VBIOS.pub.fp_no_ddc) {
+ nv_connector->edid =
+ (struct edid *)nouveau_bios_embedded_edid(dev);
+ }
+
+ if (!nv_connector->edid)
+ goto out;
+
+ /* We didn't find/use a panel mode from the VBIOS, so parse the EDID
+ * block and look for the preferred mode there.
+ */
+ ret = drm_add_edid_modes(connector, nv_connector->edid);
+ if (ret == 0)
+ goto out;
+ nv_connector->detected_encoder = nv_encoder;
+ nv_connector->native_mode = nouveau_connector_native_mode(nv_connector);
+ list_for_each_entry_safe(mode, temp, &connector->probed_modes, head)
+ drm_mode_remove(connector, mode);
+
+out:
+ if (!nv_connector->native_mode) {
+ NV_ERROR(dev, "LVDS present in DCB table, but couldn't "
+ "determine its native mode. Disabling.\n");
+ return -ENODEV;
+ }
+
+ drm_mode_connector_update_edid_property(connector, nv_connector->edid);
+ return 0;
+}
+
+int
+nouveau_connector_create(struct drm_device *dev, int index, int type)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_connector *nv_connector = NULL;
+ struct drm_connector *connector;
+ struct drm_encoder *encoder;
+ int ret;
+
+ NV_DEBUG(dev, "\n");
+
+ nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL);
+ if (!nv_connector)
+ return -ENOMEM;
+ nv_connector->dcb = nouveau_bios_connector_entry(dev, index);
+ connector = &nv_connector->base;
+
+ switch (type) {
+ case DRM_MODE_CONNECTOR_VGA:
+ NV_INFO(dev, "Detected a VGA connector\n");
+ break;
+ case DRM_MODE_CONNECTOR_DVID:
+ NV_INFO(dev, "Detected a DVI-D connector\n");
+ break;
+ case DRM_MODE_CONNECTOR_DVII:
+ NV_INFO(dev, "Detected a DVI-I connector\n");
+ break;
+ case DRM_MODE_CONNECTOR_LVDS:
+ NV_INFO(dev, "Detected a LVDS connector\n");
+ break;
+ case DRM_MODE_CONNECTOR_TV:
+ NV_INFO(dev, "Detected a TV connector\n");
+ break;
+ case DRM_MODE_CONNECTOR_DisplayPort:
+ NV_INFO(dev, "Detected a DisplayPort connector\n");
+ break;
+ default:
+ NV_ERROR(dev, "Unknown connector, this is not good.\n");
+ break;
+ }
+
+ /* defaults, will get overridden in detect() */
+ connector->interlace_allowed = false;
+ connector->doublescan_allowed = false;
+
+ drm_connector_init(dev, connector, &nouveau_connector_funcs, type);
+ drm_connector_helper_add(connector, &nouveau_connector_helper_funcs);
+
+ /* Init DVI-I specific properties */
+ if (type == DRM_MODE_CONNECTOR_DVII) {
+ drm_mode_create_dvi_i_properties(dev);
+ drm_connector_attach_property(connector, dev->mode_config.dvi_i_subconnector_property, 0);
+ drm_connector_attach_property(connector, dev->mode_config.dvi_i_select_subconnector_property, 0);
+ }
+
+ if (type != DRM_MODE_CONNECTOR_LVDS)
+ nv_connector->use_dithering = false;
+
+ if (type == DRM_MODE_CONNECTOR_DVID ||
+ type == DRM_MODE_CONNECTOR_DVII ||
+ type == DRM_MODE_CONNECTOR_LVDS ||
+ type == DRM_MODE_CONNECTOR_DisplayPort) {
+ nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
+
+ drm_connector_attach_property(connector, dev->mode_config.scaling_mode_property,
+ nv_connector->scaling_mode);
+ drm_connector_attach_property(connector, dev->mode_config.dithering_mode_property,
+ nv_connector->use_dithering ? DRM_MODE_DITHERING_ON
+ : DRM_MODE_DITHERING_OFF);
+
+ } else {
+ nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
+
+ if (type == DRM_MODE_CONNECTOR_VGA &&
+ dev_priv->card_type >= NV_50) {
+ drm_connector_attach_property(connector,
+ dev->mode_config.scaling_mode_property,
+ nv_connector->scaling_mode);
+ }
+ }
+
+ /* attach encoders */
+ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+ struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
+
+ if (nv_encoder->dcb->connector != index)
+ continue;
+
+ if (get_slave_funcs(nv_encoder))
+ get_slave_funcs(nv_encoder)->create_resources(encoder, connector);
+
+ drm_mode_connector_attach_encoder(connector, encoder);
+ }
+
+ drm_sysfs_connector_add(connector);
+
+ if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
+ ret = nouveau_connector_create_lvds(dev, connector);
+ if (ret) {
+ connector->funcs->destroy(connector);
+ return ret;
+ }
+ }
+
+ return 0;
+}
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