linux-kernel - [PATCH 3.4 163/214] drm/radeon: add connector table for Mac G4 Silver

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Date:	Wed,  4 Jun 2014 21:18:46 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org,
	Albrecht Dreß <albrecht.dress@...or.de>,
	Alex Deucher <alexander.deucher@....com>,
	Ben Hutchings <ben@...adent.org.uk>,
	Weng Meiling <wengmeiling.weng@...wei.com>
Subject: [PATCH 3.4 163/214] drm/radeon: add connector table for Mac G4 Silver

3.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alex Deucher <alexander.deucher@....com>

commit cafa59b9011a7790be4ddd5979419259844a165d upstream.

Apple cards do not provide data tables in the vbios
so we have to hard code the connector parameters
in the driver.

Reported-by: Albrecht Dreß <albrecht.dress@...or.de>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
Cc: Weng Meiling <wengmeiling.weng@...wei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/gpu/drm/radeon/radeon_combios.c |   51 ++++++++++++++++++++++++++++++++
 drivers/gpu/drm/radeon/radeon_mode.h    |    3 +
 2 files changed, 53 insertions(+), 1 deletion(-)

--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -1484,6 +1484,9 @@ bool radeon_get_legacy_connector_info_fr
 			   of_machine_is_compatible("PowerBook6,7")) {
 			/* ibook */
 			rdev->mode_info.connector_table = CT_IBOOK;
+		} else if (of_machine_is_compatible("PowerMac3,5")) {
+			/* PowerMac G4 Silver radeon 7500 */
+			rdev->mode_info.connector_table = CT_MAC_G4_SILVER;
 		} else if (of_machine_is_compatible("PowerMac4,4")) {
 			/* emac */
 			rdev->mode_info.connector_table = CT_EMAC;
@@ -2146,6 +2149,54 @@ bool radeon_get_legacy_connector_info_fr
 					    DRM_MODE_CONNECTOR_SVIDEO,
 					    &ddc_i2c,
 					    CONNECTOR_OBJECT_ID_SVIDEO,
+					    &hpd);
+		break;
+	case CT_MAC_G4_SILVER:
+		DRM_INFO("Connector Table: %d (mac g4 silver)\n",
+			 rdev->mode_info.connector_table);
+		/* DVI-I - tv dac, int tmds */
+		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
+		hpd.hpd = RADEON_HPD_1; /* ??? */
+		radeon_add_legacy_encoder(dev,
+					  radeon_get_encoder_enum(dev,
+								ATOM_DEVICE_DFP1_SUPPORT,
+								0),
+					  ATOM_DEVICE_DFP1_SUPPORT);
+		radeon_add_legacy_encoder(dev,
+					  radeon_get_encoder_enum(dev,
+								ATOM_DEVICE_CRT2_SUPPORT,
+								2),
+					  ATOM_DEVICE_CRT2_SUPPORT);
+		radeon_add_legacy_connector(dev, 0,
+					    ATOM_DEVICE_DFP1_SUPPORT |
+					    ATOM_DEVICE_CRT2_SUPPORT,
+					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
+					    &hpd);
+		/* VGA - primary dac */
+		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
+		hpd.hpd = RADEON_HPD_NONE;
+		radeon_add_legacy_encoder(dev,
+					  radeon_get_encoder_enum(dev,
+								ATOM_DEVICE_CRT1_SUPPORT,
+								1),
+					  ATOM_DEVICE_CRT1_SUPPORT);
+		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
+					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_VGA,
+					    &hpd);
+		/* TV - TV DAC */
+		ddc_i2c.valid = false;
+		hpd.hpd = RADEON_HPD_NONE;
+		radeon_add_legacy_encoder(dev,
+					  radeon_get_encoder_enum(dev,
+								ATOM_DEVICE_TV1_SUPPORT,
+								2),
+					  ATOM_DEVICE_TV1_SUPPORT);
+		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
+					    DRM_MODE_CONNECTOR_SVIDEO,
+					    &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_SVIDEO,
 					    &hpd);
 		break;
 	default:
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -210,7 +210,8 @@ enum radeon_connector_table {
 	CT_RN50_POWER,
 	CT_MAC_X800,
 	CT_MAC_G5_9600,
-	CT_SAM440EP
+	CT_SAM440EP,
+	CT_MAC_G4_SILVER
 };
 
 enum radeon_dvo_chip {


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