diff --git a/drivers/char/drm/radeon_state.c b/drivers/char/drm/radeon_state.c
index 98c5f1d..5b89e47 100644
--- a/drivers/char/drm/radeon_state.c
+++ b/drivers/char/drm/radeon_state.c
@@ -3085,6 +3085,9 @@
 		else
 			value = RADEON_CARD_PCI;
 		break;
+	case RADEON_PARAM_VBLANK_CRTC:
+		value = radeon_vblank_crtc_get(dev);
+		break;
 	default:
 		DRM_DEBUG("Invalid parameter %d\n", param.param);
 		return DRM_ERR(EINVAL);
@@ -3141,6 +3144,9 @@
 		if (dev_priv->gart_info.table_size < RADEON_PCIGART_TABLE_SIZE)
 			dev_priv->gart_info.table_size = RADEON_PCIGART_TABLE_SIZE;
 		break;
+	case RADEON_SETPARAM_VBLANK_CRTC:
+		return radeon_vblank_crtc_set(dev, sp.value);
+		break;
 	default:
 		DRM_DEBUG("Invalid parameter %d\n", sp.param);
 		return DRM_ERR(EINVAL);