drm/virtio: advertise features to userspace

New api changes are now available to userspace. Also, the
comparison to true is redundant, so remove it.
Signed-off-by: Gurchetan Singh <gurchetansingh@chromium.org>
Acked-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20200924003214.662-19-gurchetansingh@chromium.orgSigned-off-by: Gerd Hoffmann <kraxel@redhat.com>

drivers/gpu/drm/virtio/virtgpu_ioctl.c

@@ -212,11 +212,20 @@ static int virtio_gpu_getparam_ioctl(struct drm_device *dev, void *data,
 
 	switch (param->param) {
 	case VIRTGPU_PARAM_3D_FEATURES:
-		value = vgdev->has_virgl_3d == true ? 1 : 0;
+		value = vgdev->has_virgl_3d ? 1 : 0;
 		break;
 	case VIRTGPU_PARAM_CAPSET_QUERY_FIX:
 		value = 1;
 		break;
+	case VIRTGPU_PARAM_RESOURCE_BLOB:
+		value = vgdev->has_resource_blob ? 1 : 0;
+		break;
+	case VIRTGPU_PARAM_HOST_VISIBLE:
+		value = vgdev->has_host_visible ? 1 : 0;
+		break;
+	case VIRTGPU_PARAM_CROSS_DEVICE:
+		value = vgdev->has_resource_assign_uuid ? 1 : 0;
+		break;
 	default:
 		return -EINVAL;
 	}