drm/radeon/kms: store detailed connector info

This will be useful for mode validation and certain
atom tables.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

4 files changed, 199 insertions, 48 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 050722492b43..80aacded85a0 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -46,7 +46,8 @@ radeon_add_atom_connector(struct drm_device *dev,
 			  uint32_t supported_device,
 			  int connector_type,
 			  struct radeon_i2c_bus_rec *i2c_bus,
-			  bool linkb, uint32_t igp_lane_info);
+			  bool linkb, uint32_t igp_lane_info,
+			  uint16_t connector_object_id);
 
 /* from radeon_legacy_encoder.c */
 extern void
@@ -193,6 +194,23 @@ const int supported_devices_connector_convert[] = {
 	DRM_MODE_CONNECTOR_DisplayPort
 };
 
+const uint16_t supported_devices_connector_object_id_convert[] = {
+	CONNECTOR_OBJECT_ID_NONE,
+	CONNECTOR_OBJECT_ID_VGA,
+	CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I, /* not all boards support DL */
+	CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D, /* not all boards support DL */
+	CONNECTOR_OBJECT_ID_VGA, /* technically DVI-A */
+	CONNECTOR_OBJECT_ID_COMPOSITE,
+	CONNECTOR_OBJECT_ID_SVIDEO,
+	CONNECTOR_OBJECT_ID_LVDS,
+	CONNECTOR_OBJECT_ID_9PIN_DIN,
+	CONNECTOR_OBJECT_ID_9PIN_DIN,
+	CONNECTOR_OBJECT_ID_DISPLAYPORT,
+	CONNECTOR_OBJECT_ID_HDMI_TYPE_A,
+	CONNECTOR_OBJECT_ID_HDMI_TYPE_B,
+	CONNECTOR_OBJECT_ID_SVIDEO
+};
+
 const int object_connector_convert[] = {
 	DRM_MODE_CONNECTOR_Unknown,
 	DRM_MODE_CONNECTOR_DVII,
@@ -229,7 +247,7 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
 	ATOM_OBJECT_HEADER *obj_header;
 	int i, j, path_size, device_support;
 	int connector_type;
-	uint16_t igp_lane_info, conn_id;
+	uint16_t igp_lane_info, conn_id, connector_object_id;
 	bool linkb;
 	struct radeon_i2c_bus_rec ddc_bus;
 
@@ -312,6 +330,7 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
 						connector_type =
 						    object_connector_convert
 						    [ct];
+						connector_object_id = ct;
 						igp_lane_info =
 						    slot_config & 0xffff;
 					} else
@@ -322,6 +341,7 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
 				igp_lane_info = 0;
 				connector_type =
 				    object_connector_convert[con_obj_id];
+				connector_object_id = con_obj_id;
 			}
 
 			if (connector_type == DRM_MODE_CONNECTOR_Unknown)
@@ -426,7 +446,8 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
 						  le16_to_cpu(path->
 							      usDeviceTag),
 						  connector_type, &ddc_bus,
-						  linkb, igp_lane_info);
+						  linkb, igp_lane_info,
+						  connector_object_id);
 
 		}
 	}
@@ -436,6 +457,45 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
 	return true;
 }
 
+static uint16_t atombios_get_connector_object_id(struct drm_device *dev,
+						 int connector_type,
+						 uint16_t devices)
+{
+	struct radeon_device *rdev = dev->dev_private;
+
+	if (rdev->flags & RADEON_IS_IGP) {
+		return supported_devices_connector_object_id_convert
+			[connector_type];
+	} else if (((connector_type == DRM_MODE_CONNECTOR_DVII) ||
+		    (connector_type == DRM_MODE_CONNECTOR_DVID)) &&
+		   (devices & ATOM_DEVICE_DFP2_SUPPORT))  {
+		struct radeon_mode_info *mode_info = &rdev->mode_info;
+		struct atom_context *ctx = mode_info->atom_context;
+		int index = GetIndexIntoMasterTable(DATA, XTMDS_Info);
+		uint16_t size, data_offset;
+		uint8_t frev, crev;
+		ATOM_XTMDS_INFO *xtmds;
+
+		atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset);
+		xtmds = (ATOM_XTMDS_INFO *)(ctx->bios + data_offset);
+
+		if (xtmds->ucSupportedLink & ATOM_XTMDS_SUPPORTED_DUALLINK) {
+			if (connector_type == DRM_MODE_CONNECTOR_DVII)
+				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
+			else
+				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
+		} else {
+			if (connector_type == DRM_MODE_CONNECTOR_DVII)
+				return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
+			else
+				return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
+		}
+	} else {
+		return supported_devices_connector_object_id_convert
+			[connector_type];
+	}
+}
+
 struct bios_connector {
 	bool valid;
 	uint16_t line_mux;
@@ -594,14 +654,20 @@ bool radeon_get_atom_connector_info_from_supported_devices_table(struct
 
 	/* add the connectors */
 	for (i = 0; i < ATOM_MAX_SUPPORTED_DEVICE; i++) {
-		if (bios_connectors[i].valid)
+		if (bios_connectors[i].valid) {
+			uint16_t connector_object_id =
+				atombios_get_connector_object_id(dev,
+						      bios_connectors[i].connector_type,
+						      bios_connectors[i].devices);
 			radeon_add_atom_connector(dev,
 						  bios_connectors[i].line_mux,
 						  bios_connectors[i].devices,
 						  bios_connectors[i].
 						  connector_type,
 						  &bios_connectors[i].ddc_bus,
-						  false, 0);
+						  false, 0,
+						  connector_object_id);
+		}
 	}
 
 	radeon_link_encoder_connector(dev);
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index a36ede002ee4..5253cbf6db1f 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -49,7 +49,8 @@ radeon_add_legacy_connector(struct drm_device *dev,
 			    uint32_t connector_id,
 			    uint32_t supported_device,
 			    int connector_type,
-			    struct radeon_i2c_bus_rec *i2c_bus);
+			    struct radeon_i2c_bus_rec *i2c_bus,
+			    uint16_t connector_object_id);
 
 /* from radeon_legacy_encoder.c */
 extern void
@@ -1176,7 +1177,8 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
 			radeon_add_legacy_connector(dev, 0,
 						    ATOM_DEVICE_CRT1_SUPPORT,
 						    DRM_MODE_CONNECTOR_VGA,
-						    &ddc_i2c);
+						    &ddc_i2c,
+						    CONNECTOR_OBJECT_ID_VGA);
 		} else if (rdev->flags & RADEON_IS_MOBILITY) {
 			/* LVDS */
 			ddc_i2c = combios_setup_i2c_bus(RADEON_LCD_GPIO_MASK);
@@ -1188,7 +1190,8 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
 			radeon_add_legacy_connector(dev, 0,
 						    ATOM_DEVICE_LCD1_SUPPORT,
 						    DRM_MODE_CONNECTOR_LVDS,
-						    &ddc_i2c);
+						    &ddc_i2c,
+						    CONNECTOR_OBJECT_ID_LVDS);
 
 			/* VGA - primary dac */
 			ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
@@ -1200,7 +1203,8 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
 			radeon_add_legacy_connector(dev, 1,
 						    ATOM_DEVICE_CRT1_SUPPORT,
 						    DRM_MODE_CONNECTOR_VGA,
-						    &ddc_i2c);
+						    &ddc_i2c,
+						    CONNECTOR_OBJECT_ID_VGA);
 		} else {
 			/* DVI-I - tv dac, int tmds */
 			ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC);
@@ -1218,7 +1222,8 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
 						    ATOM_DEVICE_DFP1_SUPPORT |
 						    ATOM_DEVICE_CRT2_SUPPORT,
 						    DRM_MODE_CONNECTOR_DVII,
-						    &ddc_i2c);
+						    &ddc_i2c,
+						    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I);
 
 			/* VGA - primary dac */
 			ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
@@ -1230,7 +1235,8 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
 			radeon_add_legacy_connector(dev, 1,
 						    ATOM_DEVICE_CRT1_SUPPORT,
 						    DRM_MODE_CONNECTOR_VGA,
-						    &ddc_i2c);
+						    &ddc_i2c,
+						    CONNECTOR_OBJECT_ID_VGA);
 		}
 
 		if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
@@ -1243,7 +1249,8 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
 			radeon_add_legacy_connector(dev, 2,
 						    ATOM_DEVICE_TV1_SUPPORT,
 						    DRM_MODE_CONNECTOR_SVIDEO,
-						    &ddc_i2c);
+						    &ddc_i2c,
+						    CONNECTOR_OBJECT_ID_SVIDEO);
 		}
 		break;
 	case CT_IBOOK:
@@ -1257,7 +1264,8 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
 								0),
 					  ATOM_DEVICE_LCD1_SUPPORT);
 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
-					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c);
+					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_LVDS);
 		/* VGA - TV DAC */
 		ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
 		radeon_add_legacy_encoder(dev,
@@ -1266,7 +1274,8 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
 								2),
 					  ATOM_DEVICE_CRT2_SUPPORT);
 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
-					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c);
+					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_VGA);
 		/* TV - TV DAC */
 		radeon_add_legacy_encoder(dev,
 					  radeon_get_encoder_id(dev,
@@ -1275,7 +1284,8 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
 					  ATOM_DEVICE_TV1_SUPPORT);
 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
 					    DRM_MODE_CONNECTOR_SVIDEO,
-					    &ddc_i2c);
+					    &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_SVIDEO);
 		break;
 	case CT_POWERBOOK_EXTERNAL:
 		DRM_INFO("Connector Table: %d (powerbook external tmds)\n",
@@ -1288,7 +1298,8 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
 								0),
 					  ATOM_DEVICE_LCD1_SUPPORT);
 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
-					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c);
+					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_LVDS);
 		/* DVI-I - primary dac, ext tmds */
 		ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
 		radeon_add_legacy_encoder(dev,
@@ -1301,10 +1312,12 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
 								ATOM_DEVICE_CRT1_SUPPORT,
 								1),
 					  ATOM_DEVICE_CRT1_SUPPORT);
+		/* XXX some are SL */
 		radeon_add_legacy_connector(dev, 1,
 					    ATOM_DEVICE_DFP2_SUPPORT |
 					    ATOM_DEVICE_CRT1_SUPPORT,
-					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c);
+					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I);
 		/* TV - TV DAC */
 		radeon_add_legacy_encoder(dev,
 					  radeon_get_encoder_id(dev,
@@ -1313,7 +1326,8 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
 					  ATOM_DEVICE_TV1_SUPPORT);
 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
 					    DRM_MODE_CONNECTOR_SVIDEO,
-					    &ddc_i2c);
+					    &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_SVIDEO);
 		break;
 	case CT_POWERBOOK_INTERNAL:
 		DRM_INFO("Connector Table: %d (powerbook internal tmds)\n",
@@ -1326,7 +1340,8 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
 								0),
 					  ATOM_DEVICE_LCD1_SUPPORT);
 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
-					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c);
+					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_LVDS);
 		/* DVI-I - primary dac, int tmds */
 		ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
 		radeon_add_legacy_encoder(dev,
@@ -1342,7 +1357,8 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
 		radeon_add_legacy_connector(dev, 1,
 					    ATOM_DEVICE_DFP1_SUPPORT |
 					    ATOM_DEVICE_CRT1_SUPPORT,
-					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c);
+					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I);
 		/* TV - TV DAC */
 		radeon_add_legacy_encoder(dev,
 					  radeon_get_encoder_id(dev,
@@ -1351,7 +1367,8 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
 					  ATOM_DEVICE_TV1_SUPPORT);
 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
 					    DRM_MODE_CONNECTOR_SVIDEO,
-					    &ddc_i2c);
+					    &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_SVIDEO);
 		break;
 	case CT_POWERBOOK_VGA:
 		DRM_INFO("Connector Table: %d (powerbook vga)\n",
@@ -1364,7 +1381,8 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
 								0),
 					  ATOM_DEVICE_LCD1_SUPPORT);
 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
-					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c);
+					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_LVDS);
 		/* VGA - primary dac */
 		ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
 		radeon_add_legacy_encoder(dev,
@@ -1373,7 +1391,8 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
 								1),
 					  ATOM_DEVICE_CRT1_SUPPORT);
 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
-					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c);
+					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_VGA);
 		/* TV - TV DAC */
 		radeon_add_legacy_encoder(dev,
 					  radeon_get_encoder_id(dev,
@@ -1382,7 +1401,8 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
 					  ATOM_DEVICE_TV1_SUPPORT);
 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
 					    DRM_MODE_CONNECTOR_SVIDEO,
-					    &ddc_i2c);
+					    &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_SVIDEO);
 		break;
 	case CT_MINI_EXTERNAL:
 		DRM_INFO("Connector Table: %d (mini external tmds)\n",
@@ -1399,10 +1419,12 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
 								ATOM_DEVICE_CRT2_SUPPORT,
 								2),
 					  ATOM_DEVICE_CRT2_SUPPORT);
+		/* XXX are any DL? */
 		radeon_add_legacy_connector(dev, 0,
 					    ATOM_DEVICE_DFP2_SUPPORT |
 					    ATOM_DEVICE_CRT2_SUPPORT,
-					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c);
+					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I);
 		/* TV - TV DAC */
 		radeon_add_legacy_encoder(dev,
 					  radeon_get_encoder_id(dev,
@@ -1411,7 +1433,8 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
 					  ATOM_DEVICE_TV1_SUPPORT);
 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
 					    DRM_MODE_CONNECTOR_SVIDEO,
-					    &ddc_i2c);
+					    &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_SVIDEO);
 		break;
 	case CT_MINI_INTERNAL:
 		DRM_INFO("Connector Table: %d (mini internal tmds)\n",
@@ -1431,7 +1454,8 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
 		radeon_add_legacy_connector(dev, 0,
 					    ATOM_DEVICE_DFP1_SUPPORT |
 					    ATOM_DEVICE_CRT2_SUPPORT,
-					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c);
+					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I);
 		/* TV - TV DAC */
 		radeon_add_legacy_encoder(dev,
 					  radeon_get_encoder_id(dev,
@@ -1440,7 +1464,8 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
 					  ATOM_DEVICE_TV1_SUPPORT);
 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
 					    DRM_MODE_CONNECTOR_SVIDEO,
-					    &ddc_i2c);
+					    &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_SVIDEO);
 		break;
 	case CT_IMAC_G5_ISIGHT:
 		DRM_INFO("Connector Table: %d (imac g5 isight)\n",
@@ -1453,7 +1478,8 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
 								0),
 					  ATOM_DEVICE_DFP1_SUPPORT);
 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_DFP1_SUPPORT,
-					    DRM_MODE_CONNECTOR_DVID, &ddc_i2c);
+					    DRM_MODE_CONNECTOR_DVID, &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D);
 		/* VGA - tv dac */
 		ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC);
 		radeon_add_legacy_encoder(dev,
@@ -1462,7 +1488,8 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
 								2),
 					  ATOM_DEVICE_CRT2_SUPPORT);
 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
-					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c);
+					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_VGA);
 		/* TV - TV DAC */
 		radeon_add_legacy_encoder(dev,
 					  radeon_get_encoder_id(dev,
@@ -1471,7 +1498,8 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
 					  ATOM_DEVICE_TV1_SUPPORT);
 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
 					    DRM_MODE_CONNECTOR_SVIDEO,
-					    &ddc_i2c);
+					    &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_SVIDEO);
 		break;
 	case CT_EMAC:
 		DRM_INFO("Connector Table: %d (emac)\n",
@@ -1484,7 +1512,8 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
 								1),
 					  ATOM_DEVICE_CRT1_SUPPORT);
 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
-					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c);
+					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_VGA);
 		/* VGA - tv dac */
 		ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_CRT2_DDC);
 		radeon_add_legacy_encoder(dev,
@@ -1493,7 +1522,8 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
 								2),
 					  ATOM_DEVICE_CRT2_SUPPORT);
 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
-					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c);
+					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_VGA);
 		/* TV - TV DAC */
 		radeon_add_legacy_encoder(dev,
 					  radeon_get_encoder_id(dev,
@@ -1502,7 +1532,8 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
 					  ATOM_DEVICE_TV1_SUPPORT);
 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
 					    DRM_MODE_CONNECTOR_SVIDEO,
-					    &ddc_i2c);
+					    &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_SVIDEO);
 		break;
 	default:
 		DRM_INFO("Connector table: %d (invalid)\n",
@@ -1596,11 +1627,46 @@ static bool radeon_apply_legacy_tv_quirks(struct drm_device *dev)
 	return true;
 }
 
+static uint16_t combios_check_dl_dvi(struct drm_device *dev, int is_dvi_d)
+{
+	struct radeon_device *rdev = dev->dev_private;
+	uint32_t ext_tmds_info;
+
+	if (rdev->flags & RADEON_IS_IGP) {
+		if (is_dvi_d)
+			return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
+		else
+			return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
+	}
+	ext_tmds_info = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
+	if (ext_tmds_info) {
+		uint8_t rev = RBIOS8(ext_tmds_info);
+		uint8_t flags = RBIOS8(ext_tmds_info + 4 + 5);
+		if (rev >= 3) {
+			if (is_dvi_d)
+				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
+			else
+				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
+		} else {
+			if (flags & 1) {
+				if (is_dvi_d)
+					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
+				else
+					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
+			}
+		}
+	}
+	if (is_dvi_d)
+		return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
+	else
+		return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
+}
+
 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
 {
 	struct radeon_device *rdev = dev->dev_private;
 	uint32_t conn_info, entry, devices;
-	uint16_t tmp;
+	uint16_t tmp, connector_object_id;
 	enum radeon_combios_ddc ddc_type;
 	enum radeon_combios_connector connector;
 	int i = 0;
@@ -1660,7 +1726,8 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
 				radeon_add_legacy_connector(dev, i, devices,
 							    legacy_connector_convert
 							    [connector],
-							    &ddc_i2c);
+							    &ddc_i2c,
+							    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D);
 				break;
 			case CONNECTOR_CRT_LEGACY:
 				if (tmp & 0x1) {
@@ -1685,7 +1752,8 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
 							    devices,
 							    legacy_connector_convert
 							    [connector],
-							    &ddc_i2c);
+							    &ddc_i2c,
+							    CONNECTOR_OBJECT_ID_VGA);
 				break;
 			case CONNECTOR_DVI_I_LEGACY:
 				devices = 0;
@@ -1714,6 +1782,7 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
 								   ATOM_DEVICE_DFP2_SUPPORT,
 								   0),
 								  ATOM_DEVICE_DFP2_SUPPORT);
+					connector_object_id = combios_check_dl_dvi(dev, 0);
 				} else {
 					devices |= ATOM_DEVICE_DFP1_SUPPORT;
 					radeon_add_legacy_encoder(dev,
@@ -1722,19 +1791,24 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
 								   ATOM_DEVICE_DFP1_SUPPORT,
 								   0),
 								  ATOM_DEVICE_DFP1_SUPPORT);
+					connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
 				}
 				radeon_add_legacy_connector(dev,
 							    i,
 							    devices,
 							    legacy_connector_convert
 							    [connector],
-							    &ddc_i2c);
+							    &ddc_i2c,
+							    connector_object_id);
 				break;
 			case CONNECTOR_DVI_D_LEGACY:
-				if ((tmp >> 4) & 0x1)
+				if ((tmp >> 4) & 0x1) {
 					devices = ATOM_DEVICE_DFP2_SUPPORT;
-				else
+					connector_object_id = combios_check_dl_dvi(dev, 1);
+				} else {
 					devices = ATOM_DEVICE_DFP1_SUPPORT;
+					connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
+				}
 				radeon_add_legacy_encoder(dev,
 							  radeon_get_encoder_id
 							  (dev, devices, 0),
@@ -1742,7 +1816,8 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
 				radeon_add_legacy_connector(dev, i, devices,
 							    legacy_connector_convert
 							    [connector],
-							    &ddc_i2c);
+							    &ddc_i2c,
+							    connector_object_id);
 				break;
 			case CONNECTOR_CTV_LEGACY:
 			case CONNECTOR_STV_LEGACY:
@@ -1756,7 +1831,8 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
 							    ATOM_DEVICE_TV1_SUPPORT,
 							    legacy_connector_convert
 							    [connector],
-							    &ddc_i2c);
+							    &ddc_i2c,
+							    CONNECTOR_OBJECT_ID_SVIDEO);
 				break;
 			default:
 				DRM_ERROR("Unknown connector type: %d\n",
@@ -1788,7 +1864,8 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
 						    ATOM_DEVICE_CRT1_SUPPORT |
 						    ATOM_DEVICE_DFP1_SUPPORT,
 						    DRM_MODE_CONNECTOR_DVII,
-						    &ddc_i2c);
+						    &ddc_i2c,
+						    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I);
 		} else {
 			uint16_t crt_info =
 				combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
@@ -1804,7 +1881,8 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
 							    0,
 							    ATOM_DEVICE_CRT1_SUPPORT,
 							    DRM_MODE_CONNECTOR_VGA,
-							    &ddc_i2c);
+							    &ddc_i2c,
+							    CONNECTOR_OBJECT_ID_VGA);
 			} else {
 				DRM_DEBUG("No connector info found\n");
 				return false;
@@ -1903,7 +1981,8 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
 						    5,
 						    ATOM_DEVICE_LCD1_SUPPORT,
 						    DRM_MODE_CONNECTOR_LVDS,
-						    &ddc_i2c);
+						    &ddc_i2c,
+						    CONNECTOR_OBJECT_ID_LVDS);
 		}
 	}
 
@@ -1923,7 +2002,8 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
 					radeon_add_legacy_connector(dev, 6,
 								    ATOM_DEVICE_TV1_SUPPORT,
 								    DRM_MODE_CONNECTOR_SVIDEO,
-								    &ddc_i2c);
+								    &ddc_i2c,
+								    CONNECTOR_OBJECT_ID_SVIDEO);
 				}
 			}
 		}
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index ce3a785a633b..fb4d9184704a 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -823,7 +823,8 @@ radeon_add_atom_connector(struct drm_device *dev,
 			  int connector_type,
 			  struct radeon_i2c_bus_rec *i2c_bus,
 			  bool linkb,
-			  uint32_t igp_lane_info)
+			  uint32_t igp_lane_info,
+			  uint16_t connector_object_id)
 {
 	struct radeon_device *rdev = dev->dev_private;
 	struct drm_connector *connector;
@@ -862,6 +863,7 @@ radeon_add_atom_connector(struct drm_device *dev,
 	radeon_connector->connector_id = connector_id;
 	radeon_connector->devices = supported_device;
 	radeon_connector->shared_ddc = shared_ddc;
+	radeon_connector->connector_object_id = connector_object_id;
 	switch (connector_type) {
 	case DRM_MODE_CONNECTOR_VGA:
 		drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
@@ -1013,7 +1015,8 @@ radeon_add_legacy_connector(struct drm_device *dev,
 			    uint32_t connector_id,
 			    uint32_t supported_device,
 			    int connector_type,
-			    struct radeon_i2c_bus_rec *i2c_bus)
+			    struct radeon_i2c_bus_rec *i2c_bus,
+			    uint16_t connector_object_id)
 {
 	struct radeon_device *rdev = dev->dev_private;
 	struct drm_connector *connector;
@@ -1042,6 +1045,7 @@ radeon_add_legacy_connector(struct drm_device *dev,
 
 	radeon_connector->connector_id = connector_id;
 	radeon_connector->devices = supported_device;
+	radeon_connector->connector_object_id = connector_object_id;
 	switch (connector_type) {
 	case DRM_MODE_CONNECTOR_VGA:
 		drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index ccb783868ad6..ace726aa0d76 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -317,6 +317,7 @@ struct radeon_connector {
 	struct edid *edid;
 	void *con_priv;
 	bool dac_load_detect;
+	uint16_t connector_object_id;
 };
 
 struct radeon_framebuffer {