From: Ville Syrjälä ville.syrjala@linux.intel.com
Make sure the kernel doesn't clobber the modifiers when the user didn't pass any.
Signed-off-by: Ville Syrjälä ville.syrjala@linux.intel.com --- 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);