From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Make sure the kernel doesn't clobber the modifiers when the user didn't
pass any.
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
tests/kms_addfb_basic.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/tests/kms_addfb_basic.c b/tests/kms_addfb_basic.c
index d466e4d..73000d6 100644
--- a/tests/kms_addfb_basic.c
+++ b/tests/kms_addfb_basic.c
@@ -101,6 +101,16 @@ static void invalid_tests(int fd)
f.modifier[1] = 0;
}
+ igt_subtest("clobberred-modifier") {
+ f.flags = 0;
+ f.modifier[0] = 0;
+ gem_set_tiling(fd, gem_bo, I915_TILING_X, 512*4);
+ igt_assert(drmIoctl(fd, LOCAL_DRM_IOCTL_MODE_ADDFB2, &f) == 0);
+ igt_assert(drmIoctl(fd, DRM_IOCTL_MODE_RMFB, &f.fb_id) == 0);
+ f.fb_id = 0;
+ igt_assert(f.modifier[0] == 0);
+ }
+
igt_fixture {
gem_close(fd, gem_bo);
gem_close(fd, gem_bo_small);
--
2.4.10
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