drm/radeon/kms/combios: fix typo in voltage fix
[safe/jmp/linux-2.6] / drivers / gpu / drm / radeon / radeon_connectors.c
index 5eece18..0c7ccc6 100644 (file)
@@ -49,8 +49,10 @@ void radeon_connector_hotplug(struct drm_connector *connector)
        if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
                radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
 
-       if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
-               if (radeon_dp_getsinktype(radeon_connector) == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
+       if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
+           (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
+               if ((radeon_dp_getsinktype(radeon_connector) == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
+                   (radeon_dp_getsinktype(radeon_connector) == CONNECTOR_OBJECT_ID_eDP)) {
                        if (radeon_dp_needs_link_train(radeon_connector)) {
                                if (connector->encoder)
                                        dp_link_train(connector->encoder, connector);
@@ -160,12 +162,14 @@ radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
 {
        struct drm_device *dev = connector->dev;
        struct drm_connector *conflict;
+       struct radeon_connector *radeon_conflict;
        int i;
 
        list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
                if (conflict == connector)
                        continue;
 
+               radeon_conflict = to_radeon_connector(conflict);
                for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
                        if (conflict->encoder_ids[i] == 0)
                                break;
@@ -175,6 +179,9 @@ radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
                                if (conflict->status != connector_status_connected)
                                        continue;
 
+                               if (radeon_conflict->use_digital)
+                                       continue;
+
                                if (priority == true) {
                                        DRM_INFO("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
                                        DRM_INFO("in favor of %s\n", drm_get_connector_name(connector));
@@ -208,6 +215,18 @@ static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encode
                drm_mode_set_name(mode);
 
                DRM_DEBUG("Adding native panel mode %s\n", mode->name);
+       } else if (native_mode->hdisplay != 0 &&
+                  native_mode->vdisplay != 0) {
+               /* mac laptops without an edid */
+               /* Note that this is not necessarily the exact panel mode,
+                * but an approximation based on the cvt formula.  For these
+                * systems we should ideally read the mode info out of the
+                * registers or add a mode table, but this works and is much
+                * simpler.
+                */
+               mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
+               mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
+               DRM_DEBUG("Adding cvt approximation of native panel mode %s\n", mode->name);
        }
        return mode;
 }
@@ -273,6 +292,7 @@ int radeon_connector_set_property(struct drm_connector *connector, struct drm_pr
 
        if (property == rdev->mode_info.coherent_mode_property) {
                struct radeon_encoder_atom_dig *dig;
+               bool new_coherent_mode;
 
                /* need to find digital encoder on connector */
                encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
@@ -285,8 +305,11 @@ int radeon_connector_set_property(struct drm_connector *connector, struct drm_pr
                        return 0;
 
                dig = radeon_encoder->enc_priv;
-               dig->coherent_mode = val ? true : false;
-               radeon_property_change_mode(&radeon_encoder->base);
+               new_coherent_mode = val ? true : false;
+               if (dig->coherent_mode != new_coherent_mode) {
+                       dig->coherent_mode = new_coherent_mode;
+                       radeon_property_change_mode(&radeon_encoder->base);
+               }
        }
 
        if (property == rdev->mode_info.tv_std_property) {
@@ -301,7 +324,7 @@ int radeon_connector_set_property(struct drm_connector *connector, struct drm_pr
                radeon_encoder = to_radeon_encoder(encoder);
                if (!radeon_encoder->enc_priv)
                        return 0;
-               if (rdev->is_atom_bios) {
+               if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
                        struct radeon_encoder_atom_dac *dac_int;
                        dac_int = radeon_encoder->enc_priv;
                        dac_int->tv_std = val;
@@ -465,10 +488,8 @@ static enum drm_connector_status radeon_lvds_detect(struct drm_connector *connec
                ret = connector_status_connected;
        else {
                if (radeon_connector->ddc_bus) {
-                       radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
                        radeon_connector->edid = drm_get_edid(&radeon_connector->base,
                                                              &radeon_connector->ddc_bus->adapter);
-                       radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
                        if (radeon_connector->edid)
                                ret = connector_status_connected;
                }
@@ -566,24 +587,21 @@ static enum drm_connector_status radeon_vga_detect(struct drm_connector *connect
        struct radeon_connector *radeon_connector = to_radeon_connector(connector);
        struct drm_encoder *encoder;
        struct drm_encoder_helper_funcs *encoder_funcs;
-       bool dret;
+       bool dret = false;
        enum drm_connector_status ret = connector_status_disconnected;
 
        encoder = radeon_best_single_encoder(connector);
        if (!encoder)
                ret = connector_status_disconnected;
 
-       radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
-       dret = radeon_ddc_probe(radeon_connector);
-       radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
+       if (radeon_connector->ddc_bus)
+               dret = radeon_ddc_probe(radeon_connector);
        if (dret) {
                if (radeon_connector->edid) {
                        kfree(radeon_connector->edid);
                        radeon_connector->edid = NULL;
                }
-               radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
                radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
-               radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
 
                if (!radeon_connector->edid) {
                        DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
@@ -603,7 +621,7 @@ static enum drm_connector_status radeon_vga_detect(struct drm_connector *connect
                                ret = connector_status_connected;
                }
        } else {
-               if (radeon_connector->dac_load_detect) {
+               if (radeon_connector->dac_load_detect && encoder) {
                        encoder_funcs = encoder->helper_private;
                        ret = encoder_funcs->detect(encoder, connector);
                }
@@ -726,19 +744,16 @@ static enum drm_connector_status radeon_dvi_detect(struct drm_connector *connect
        struct drm_mode_object *obj;
        int i;
        enum drm_connector_status ret = connector_status_disconnected;
-       bool dret;
+       bool dret = false;
 
-       radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
-       dret = radeon_ddc_probe(radeon_connector);
-       radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
+       if (radeon_connector->ddc_bus)
+               dret = radeon_ddc_probe(radeon_connector);
        if (dret) {
                if (radeon_connector->edid) {
                        kfree(radeon_connector->edid);
                        radeon_connector->edid = NULL;
                }
-               radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
                radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
-               radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
 
                if (!radeon_connector->edid) {
                        DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
@@ -762,7 +777,7 @@ static enum drm_connector_status radeon_dvi_detect(struct drm_connector *connect
                         * connected and the DVI port disconnected.  If the edid doesn't
                         * say HDMI, vice versa.
                         */
-                       if (radeon_connector->shared_ddc && connector_status_connected) {
+                       if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
                                struct drm_device *dev = connector->dev;
                                struct drm_connector *list_connector;
                                struct radeon_connector *list_radeon_connector;
@@ -886,10 +901,18 @@ static void radeon_dvi_force(struct drm_connector *connector)
 static int radeon_dvi_mode_valid(struct drm_connector *connector,
                                  struct drm_display_mode *mode)
 {
+       struct drm_device *dev = connector->dev;
+       struct radeon_device *rdev = dev->dev_private;
        struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 
        /* XXX check mode bandwidth */
 
+       /* clocks over 135 MHz have heat issues with DVI on RV100 */
+       if (radeon_connector->use_digital &&
+           (rdev->family == CHIP_RV100) &&
+           (mode->clock > 135000))
+               return MODE_CLOCK_HIGH;
+
        if (radeon_connector->use_digital && (mode->clock > 165000)) {
                if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
                    (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
@@ -955,18 +978,17 @@ static enum drm_connector_status radeon_dp_detect(struct drm_connector *connecto
        }
 
        sink_type = radeon_dp_getsinktype(radeon_connector);
-       if (sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
+       if ((sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
+           (sink_type == CONNECTOR_OBJECT_ID_eDP)) {
                if (radeon_dp_getdpcd(radeon_connector)) {
                        radeon_dig_connector->dp_sink_type = sink_type;
                        ret = connector_status_connected;
                }
        } else {
-               radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
                if (radeon_ddc_probe(radeon_connector)) {
                        radeon_dig_connector->dp_sink_type = sink_type;
                        ret = connector_status_connected;
                }
-               radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
        }
 
        return ret;
@@ -980,7 +1002,8 @@ static int radeon_dp_mode_valid(struct drm_connector *connector,
 
        /* XXX check mode bandwidth */
 
-       if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
+       if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
+           (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
                return radeon_dp_mode_valid_helper(radeon_connector, mode);
        else
                return MODE_OK;
@@ -1018,7 +1041,6 @@ radeon_add_atom_connector(struct drm_device *dev,
        struct radeon_connector_atom_dig *radeon_dig_connector;
        uint32_t subpixel_order = SubPixelNone;
        bool shared_ddc = false;
-       int ret;
 
        /* fixme - tv/cv/din */
        if (connector_type == DRM_MODE_CONNECTOR_Unknown)
@@ -1032,8 +1054,7 @@ radeon_add_atom_connector(struct drm_device *dev,
                        return;
                }
                if (radeon_connector->ddc_bus && i2c_bus->valid) {
-                       if (memcmp(&radeon_connector->ddc_bus->rec, i2c_bus,
-                                   sizeof(struct radeon_i2c_bus_rec)) == 0) {
+                       if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
                                radeon_connector->shared_ddc = true;
                                shared_ddc = true;
                        }
@@ -1054,9 +1075,7 @@ radeon_add_atom_connector(struct drm_device *dev,
        switch (connector_type) {
        case DRM_MODE_CONNECTOR_VGA:
                drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
-               ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
-               if (ret)
-                       goto failed;
+               drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
                if (i2c_bus->valid) {
                        radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA");
                        if (!radeon_connector->ddc_bus)
@@ -1066,12 +1085,11 @@ radeon_add_atom_connector(struct drm_device *dev,
                drm_connector_attach_property(&radeon_connector->base,
                                              rdev->mode_info.load_detect_property,
                                              1);
+               connector->polled = DRM_CONNECTOR_POLL_CONNECT;
                break;
        case DRM_MODE_CONNECTOR_DVIA:
                drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
-               ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
-               if (ret)
-                       goto failed;
+               drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
                if (i2c_bus->valid) {
                        radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
                        if (!radeon_connector->ddc_bus)
@@ -1091,9 +1109,7 @@ radeon_add_atom_connector(struct drm_device *dev,
                radeon_dig_connector->igp_lane_info = igp_lane_info;
                radeon_connector->con_priv = radeon_dig_connector;
                drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
-               ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
-               if (ret)
-                       goto failed;
+               drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
                if (i2c_bus->valid) {
                        radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
                        if (!radeon_connector->ddc_bus)
@@ -1119,9 +1135,7 @@ radeon_add_atom_connector(struct drm_device *dev,
                radeon_dig_connector->igp_lane_info = igp_lane_info;
                radeon_connector->con_priv = radeon_dig_connector;
                drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
-               ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
-               if (ret)
-                       goto failed;
+               drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
                if (i2c_bus->valid) {
                        radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "HDMI");
                        if (!radeon_connector->ddc_bus)
@@ -1133,6 +1147,7 @@ radeon_add_atom_connector(struct drm_device *dev,
                subpixel_order = SubPixelHorizontalRGB;
                break;
        case DRM_MODE_CONNECTOR_DisplayPort:
+       case DRM_MODE_CONNECTOR_eDP:
                radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
                if (!radeon_dig_connector)
                        goto failed;
@@ -1140,15 +1155,19 @@ radeon_add_atom_connector(struct drm_device *dev,
                radeon_dig_connector->igp_lane_info = igp_lane_info;
                radeon_connector->con_priv = radeon_dig_connector;
                drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
-               ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
-               if (ret)
-                       goto failed;
+               drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
                if (i2c_bus->valid) {
                        /* add DP i2c bus */
-                       radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
+                       if (connector_type == DRM_MODE_CONNECTOR_eDP)
+                               radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
+                       else
+                               radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
                        if (!radeon_dig_connector->dp_i2c_bus)
                                goto failed;
-                       radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DP");
+                       if (connector_type == DRM_MODE_CONNECTOR_eDP)
+                               radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "eDP");
+                       else
+                               radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DP");
                        if (!radeon_connector->ddc_bus)
                                goto failed;
                }
@@ -1162,16 +1181,14 @@ radeon_add_atom_connector(struct drm_device *dev,
        case DRM_MODE_CONNECTOR_9PinDIN:
                if (radeon_tv == 1) {
                        drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
-                       ret = drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
-                       if (ret)
-                               goto failed;
+                       drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
                        radeon_connector->dac_load_detect = true;
                        drm_connector_attach_property(&radeon_connector->base,
                                                      rdev->mode_info.load_detect_property,
                                                      1);
                        drm_connector_attach_property(&radeon_connector->base,
                                                      rdev->mode_info.tv_std_property,
-                                                     1);
+                                                     radeon_atombios_get_tv_info(rdev));
                }
                break;
        case DRM_MODE_CONNECTOR_LVDS:
@@ -1182,9 +1199,7 @@ radeon_add_atom_connector(struct drm_device *dev,
                radeon_dig_connector->igp_lane_info = igp_lane_info;
                radeon_connector->con_priv = radeon_dig_connector;
                drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
-               ret = drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
-               if (ret)
-                       goto failed;
+               drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
                if (i2c_bus->valid) {
                        radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS");
                        if (!radeon_connector->ddc_bus)
@@ -1197,6 +1212,12 @@ radeon_add_atom_connector(struct drm_device *dev,
                break;
        }
 
+       if (hpd->hpd == RADEON_HPD_NONE) {
+               if (i2c_bus->valid)
+                       connector->polled = DRM_CONNECTOR_POLL_CONNECT;
+       } else
+               connector->polled = DRM_CONNECTOR_POLL_HPD;
+
        connector->display_info.subpixel_order = subpixel_order;
        drm_sysfs_connector_add(connector);
        return;
@@ -1221,7 +1242,6 @@ radeon_add_legacy_connector(struct drm_device *dev,
        struct drm_connector *connector;
        struct radeon_connector *radeon_connector;
        uint32_t subpixel_order = SubPixelNone;
-       int ret;
 
        /* fixme - tv/cv/din */
        if (connector_type == DRM_MODE_CONNECTOR_Unknown)
@@ -1249,9 +1269,7 @@ radeon_add_legacy_connector(struct drm_device *dev,
        switch (connector_type) {
        case DRM_MODE_CONNECTOR_VGA:
                drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
-               ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
-               if (ret)
-                       goto failed;
+               drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
                if (i2c_bus->valid) {
                        radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA");
                        if (!radeon_connector->ddc_bus)
@@ -1261,12 +1279,11 @@ radeon_add_legacy_connector(struct drm_device *dev,
                drm_connector_attach_property(&radeon_connector->base,
                                              rdev->mode_info.load_detect_property,
                                              1);
+               connector->polled = DRM_CONNECTOR_POLL_CONNECT;
                break;
        case DRM_MODE_CONNECTOR_DVIA:
                drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
-               ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
-               if (ret)
-                       goto failed;
+               drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
                if (i2c_bus->valid) {
                        radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
                        if (!radeon_connector->ddc_bus)
@@ -1280,13 +1297,13 @@ radeon_add_legacy_connector(struct drm_device *dev,
        case DRM_MODE_CONNECTOR_DVII:
        case DRM_MODE_CONNECTOR_DVID:
                drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
-               ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
-               if (ret)
-                       goto failed;
+               drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
                if (i2c_bus->valid) {
                        radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
                        if (!radeon_connector->ddc_bus)
                                goto failed;
+               }
+               if (connector_type == DRM_MODE_CONNECTOR_DVII) {
                        radeon_connector->dac_load_detect = true;
                        drm_connector_attach_property(&radeon_connector->base,
                                                      rdev->mode_info.load_detect_property,
@@ -1299,9 +1316,7 @@ radeon_add_legacy_connector(struct drm_device *dev,
        case DRM_MODE_CONNECTOR_9PinDIN:
                if (radeon_tv == 1) {
                        drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
-                       ret = drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
-                       if (ret)
-                               goto failed;
+                       drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
                        radeon_connector->dac_load_detect = true;
                        /* RS400,RC410,RS480 chipset seems to report a lot
                         * of false positive on load detect, we haven't yet
@@ -1312,17 +1327,15 @@ radeon_add_legacy_connector(struct drm_device *dev,
                                radeon_connector->dac_load_detect = false;
                        drm_connector_attach_property(&radeon_connector->base,
                                                      rdev->mode_info.load_detect_property,
-                                                     1);
+                                                     radeon_connector->dac_load_detect);
                        drm_connector_attach_property(&radeon_connector->base,
                                                      rdev->mode_info.tv_std_property,
-                                                     1);
+                                                     radeon_combios_get_tv_info(rdev));
                }
                break;
        case DRM_MODE_CONNECTOR_LVDS:
                drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
-               ret = drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
-               if (ret)
-                       goto failed;
+               drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
                if (i2c_bus->valid) {
                        radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS");
                        if (!radeon_connector->ddc_bus)
@@ -1335,6 +1348,11 @@ radeon_add_legacy_connector(struct drm_device *dev,
                break;
        }
 
+       if (hpd->hpd == RADEON_HPD_NONE) {
+               if (i2c_bus->valid)
+                       connector->polled = DRM_CONNECTOR_POLL_CONNECT;
+       } else
+               connector->polled = DRM_CONNECTOR_POLL_HPD;
        connector->display_info.subpixel_order = subpixel_order;
        drm_sysfs_connector_add(connector);
        return;