diff --git a/drivers/gpu/drm/vc4/vc4_drv.c b/drivers/gpu/drm/vc4/vc4_drv.c index 8edcf9a6fd1cbf..834fa9f031d103 100644 --- a/drivers/gpu/drm/vc4/vc4_drv.c +++ b/drivers/gpu/drm/vc4/vc4_drv.c @@ -97,6 +97,9 @@ static int vc4_get_param_ioctl(struct drm_device *dev, void *data, args->value = V3D_READ(V3D_IDENT2); pm_runtime_put(&vc4->v3d->pdev->dev); break; + case DRM_VC4_PARAM_SUPPORTS_BRANCHES: + args->value = true; + break; default: DRM_DEBUG("Unknown parameter %d\n", args->param); return -EINVAL; diff --git a/include/uapi/drm/vc4_drm.h b/include/uapi/drm/vc4_drm.h index 1143e954048d1f..ad7edc3edf7ca1 100644 --- a/include/uapi/drm/vc4_drm.h +++ b/include/uapi/drm/vc4_drm.h @@ -285,6 +285,7 @@ struct drm_vc4_get_hang_state { #define DRM_VC4_PARAM_V3D_IDENT0 0 #define DRM_VC4_PARAM_V3D_IDENT1 1 #define DRM_VC4_PARAM_V3D_IDENT2 2 +#define DRM_VC4_PARAM_SUPPORTS_BRANCHES 3 struct drm_vc4_get_param { __u32 param;