freedreno/drm: handle ancient kernels

[mesa.git] / src / freedreno / drm / freedreno_bo.c

diff --git a/src/freedreno/drm/freedreno_bo.c b/src/freedreno/drm/freedreno_bo.c
index a4218cd8ffb38957891d7a7524225fc35bb05307..b6d5cdd9bec254ee1f7b5f80e15956e3b0886756 100644 (file)
--- a/src/freedreno/drm/freedreno_bo.c
+++ b/src/freedreno/drm/freedreno_bo.c
@@ -236,6 +236,8 @@ fd_bo_mark_for_dump(struct fd_bo *bo)
 
 uint64_t fd_bo_get_iova(struct fd_bo *bo)
 {
+       /* ancient kernels did not support this */
+       assert(bo->iova != 0);
        return bo->iova;
 }