[igt-dev] [PATCH i-g-t v4] igt/tests: Fix error checking in kms_atomic_transition
Summers, Stuart
stuart.summers at intel.com
Tue Feb 19 21:05:12 UTC 2019
On Tue, 2019-02-19 at 11:38 +0200, Stanislav Lisovskiy wrote:
> From: Stanislav Lisovskiy <stanislav.lisovskiy at gmail.com>
>
> There is no guarantee that error return value will be
> always EINVAL, made a check more general as it can be
> ERANGE, ENOSPC, EINVAL and probably others, which all
> mean the same in context of this test case: i.e this sprite
> size is not valid.
>
> v2: Added macro to make check look a bit nicer.
> v3: Removed redundant debug line.
> v4: Added assertion if error is not EINVAL as expected,
> other errors except EINVAL are considered now a failures.
>
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109225
> Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy at intel.com>
> ---
> tests/kms_atomic_transition.c | 13 +++++++++++--
> 1 file changed, 11 insertions(+), 2 deletions(-)
>
> diff --git a/tests/kms_atomic_transition.c
> b/tests/kms_atomic_transition.c
> index 12bafe87..e1a2d4a0 100644
> --- a/tests/kms_atomic_transition.c
> +++ b/tests/kms_atomic_transition.c
> @@ -187,6 +187,12 @@ static void set_sprite_wh(igt_display_t
> *display, enum pipe pipe,
> LOCAL_DRM_FORMAT_MOD_NONE, sprite_fb);
> }
>
> +#define is_atomic_check_failure_errno(errno) \
> + (errno != -EINVAL && errno != 0)
> +
> +#define is_atomic_check_plane_size_errno(errno) \
> + (errno == -EINVAL)
> +
> static void setup_parms(igt_display_t *display, enum pipe pipe,
> const drmModeModeInfo *mode,
> struct igt_fb *primary_fb,
> @@ -251,8 +257,9 @@ retry:
>
> wm_setup_plane(display, pipe, (1 << n_planes) - 1,
> parms, false);
> ret = igt_display_try_commit_atomic(display,
> DRM_MODE_ATOMIC_TEST_ONLY | DRM_MODE_ATOMIC_ALLOW_MODESET, NULL);
> + igt_assert(!is_atomic_check_failure_errno(ret));
>
> - if (ret == -EINVAL) {
> + if (is_atomic_check_plane_size_errno(ret)) {
> if (cursor_width == sprite_width &&
> cursor_height == sprite_height) {
> igt_assert_f(alpha,
> @@ -442,7 +449,9 @@ run_transition_test(igt_display_t *display, enum
> pipe pipe, igt_output_t *output
> igt_pipe_request_out_fence(pipe_obj);
>
> ret = igt_display_try_commit_atomic(display,
> DRM_MODE_ATOMIC_TEST_ONLY | DRM_MODE_ATOMIC_ALLOW_MODESET, NULL);
> - if (ret != -EINVAL || pipe_obj->n_planes < 3)
> + igt_assert(!is_atomic_check_failure_errno(ret));
> +
> + if (!is_atomic_check_plane_size_errno(ret) || pipe_obj-
> >n_planes < 3)
> break;
>
> ret = 0;
LGTM
Reviewed-by: Stuart Summers <stuart.summers at intel.com>
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