drm/radeon: add fake RN50 table for powerpc

This works well enough on a js21, but it would be nice if IBM could supply
more tables for the later Power6/7 machines.

Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index 1bee2f9..08e156a 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -1411,6 +1411,11 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                        rdev->mode_info.connector_table = CT_IMAC_G5_ISIGHT;
                } else
 #endif /* CONFIG_PPC_PMAC */
+#ifdef CONFIG_PPC64
+               if (ASIC_IS_RN50(rdev))
+                       rdev->mode_info.connector_table = CT_RN50_POWER;
+               else
+#endif
                        rdev->mode_info.connector_table = CT_GENERIC;
        }
 
@@ -1853,6 +1858,33 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                                            CONNECTOR_OBJECT_ID_SVIDEO,
                                            &hpd);
                break;
+       case CT_RN50_POWER:
+               DRM_INFO("Connector Table: %d (rn50-power)\n",
+                        rdev->mode_info.connector_table);
+               /* VGA - primary dac */
+               ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC);
+               hpd.hpd = RADEON_HPD_NONE;
+               radeon_add_legacy_encoder(dev,
+                                         radeon_get_encoder_id(dev,
+                                                               ATOM_DEVICE_CRT1_SUPPORT,
+                                                               1),
+                                         ATOM_DEVICE_CRT1_SUPPORT);
+               radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
+                                           DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
+                                           CONNECTOR_OBJECT_ID_VGA,
+                                           &hpd);
+               ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_CRT2_DDC);
+               hpd.hpd = RADEON_HPD_NONE;
+               radeon_add_legacy_encoder(dev,
+                                         radeon_get_encoder_id(dev,
+                                                               ATOM_DEVICE_CRT2_SUPPORT,
+                                                               2),
+                                         ATOM_DEVICE_CRT2_SUPPORT);
+               radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
+                                           DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
+                                           CONNECTOR_OBJECT_ID_VGA,
+                                           &hpd);
+               break;
        default:
                DRM_INFO("Connector table: %d (invalid)\n",
                         rdev->mode_info.connector_table);

diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index 67358ba..95696aa 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -206,6 +206,7 @@ enum radeon_connector_table {
        CT_MINI_INTERNAL,
        CT_IMAC_G5_ISIGHT,
        CT_EMAC,
+       CT_RN50_POWER,
 };
 
 enum radeon_dvo_chip {