@@ -788,11 +788,21 @@ int main(int argc, char **argv)
getchar();
+ /*
+ * The blend test uses the userptr functionality of exynos-drm, which
+ * is currently not safe to use. If the kernel hasn't been build with
+ * exynos-iommu support, then the blend test is going to produce (kernel)
+ * memory corruption, eventually leading to a system crash.
+ *
+ * Disable the test for now, until the kernel code has been sanitized.
+ */
+#if 0
ret = test_case.blend(dev, src, bo, G2D_IMGBUF_USERPTR);
if (ret < 0)
fprintf(stderr, "failed to test blend operation.\n");
getchar();
+#endif
err_free_src:
if (src)
v2: Move the commit description into the patch itself. v3: Use common commenting style as pointed out by Emil Velikov <emil.l.velikov at gmail.com>. Signed-off-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de> --- tests/exynos/exynos_fimg2d_test.c | 10 ++++++++++ 1 file changed, 10 insertions(+)