diff --git a/src/gallium/winsys/amdgpu/drm/amdgpu_winsys.c b/src/gallium/winsys/amdgpu/drm/amdgpu_winsys.c
index 3d81129a334..befdc14815c 100644
--- a/src/gallium/winsys/amdgpu/drm/amdgpu_winsys.c
+++ b/src/gallium/winsys/amdgpu/drm/amdgpu_winsys.c
@@ -112,6 +112,11 @@ static bool do_winsys_init(struct amdgpu_winsys *ws,
    ws->zero_all_vram_allocs = strstr(debug_get_option("R600_DEBUG", ""), "zerovram") != NULL ||
                               strstr(debug_get_option("AMD_DEBUG", ""), "zerovram") != NULL ||
                               driQueryOptionb(config->options, "radeonsi_zerovram");
+   ws->secure = strstr(debug_get_option("AMD_DEBUG", ""), "tmz");
+
+   if (ws->secure) {
+      fprintf(stderr, "=== TMZ usage enabled ===\n");
+   }
 
    return true;