diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_encoders.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_encoders.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c index 6b670b0bc47b..ef99917f000d 100644 --- a/drivers/gpu/drm/radeon/radeon_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_encoders.c @@ -179,9 +179,12 @@ static void radeon_encoder_add_backlight(struct radeon_encoder *radeon_encoder, (rdev->pdev->subsystem_vendor == 0x1734) && (rdev->pdev->subsystem_device == 0x1107)) use_bl = false; +/* Older PPC macs use on-GPU backlight controller */ +#ifndef CONFIG_PPC_PMAC /* disable native backlight control on older asics */ else if (rdev->family < CHIP_R600) use_bl = false; +#endif else use_bl = true; } @@ -244,7 +247,16 @@ radeon_get_connector_for_encoder(struct drm_encoder *encoder) list_for_each_entry(connector, &dev->mode_config.connector_list, head) { radeon_connector = to_radeon_connector(connector); - if (radeon_encoder->active_device & radeon_connector->devices) + if (radeon_encoder->is_mst_encoder) { + struct radeon_encoder_mst *mst_enc; + + if (!radeon_connector->is_mst_connector) + continue; + + mst_enc = radeon_encoder->enc_priv; + if (mst_enc->connector == radeon_connector->mst_port) + return connector; + } else if (radeon_encoder->active_device & radeon_connector->devices) return connector; } return NULL; @@ -390,6 +402,9 @@ bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder, case DRM_MODE_CONNECTOR_DVID: case DRM_MODE_CONNECTOR_HDMIA: case DRM_MODE_CONNECTOR_DisplayPort: + if (radeon_connector->is_mst_connector) + return false; + dig_connector = radeon_connector->con_priv; if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) |
