modetest: Print extra info if we fail to create a framebuffer

Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>

diff --git a/tests/modetest/modetest.c b/tests/modetest/modetest.c
index 35045c8..f65a033 100644 (file)
--- a/tests/modetest/modetest.c
+++ b/tests/modetest/modetest.c
@@ -568,7 +568,8 @@ set_mode(struct connector *c, int count, int page_flip)
        kms_bo_get_prop(bo, KMS_HANDLE, &handle);
        ret = drmModeAddFB(fd, width, height, 24, 32, stride, handle, &fb_id);
        if (ret) {
-               fprintf(stderr, "failed to add fb: %s\n", strerror(errno));
+               fprintf(stderr, "failed to add fb (%ux%u): %s\n",
+                       width, height, strerror(errno));
                return;
        }