Re: [PATCH i-g-t 2/2] tests/kms_plane: Skip unsupported modifiers

Reddy Guddati, Santhosh
2026-02-04T10:40:55Z

Hi Pranay,

On 04-02-2026 14:09, Pranay Samala wrote:
> Skip modifier subtests that are not supported.
>
> Signed-off-by: Pranay Samala <pranay.samala@intel.com>
> ---
> tests/kms_plane.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/tests/kms_plane.c b/tests/kms_plane.c
> index a7b1bf25d..69d06d627 100644
> --- a/tests/kms_plane.c
> +++ b/tests/kms_plane.c
> @@ -1495,6 +1495,10 @@ run_tests_for_pipe_plane(data_t *data)
> for (int i = 0; i < ARRAY_SIZE(modifiers); i++) {
> igt_describe("verify the pixel formats for given plane and pipe");
> igt_subtest_with_dynamic_f("pixel-format-%s-modifier", modifiers[i].str) {
> + igt_require_f(igt_display_has_format_mod(&data->display,
> + DRM_FORMAT_XRGB8888,
> + modifiers[i].modifier),
> + "Modifier not supported\n");

This looks to be a redundant check here , as the same is handled in
test_format_plane.

igt_skip_on_f(!found,
"Modifier " IGT_MODIFIER_FMT " not supported on plane %d\n",
IGT_MODIFIER_ARGS(data->mod), plane->index);

Thanks,
Santhosh

> data->mod = modifiers[i].modifier;
> run_test(data, test_pixel_formats);
> }
> @@ -1504,6 +1508,10 @@ run_tests_for_pipe_plane(data_t *data)
> igt_describe("verify the pixel formats for given plane and pipe with source clamping");
> igt_subtest_with_dynamic_f("pixel-format-%s-modifier-source-clamping",
> modifiers[i].str) {
> + igt_require_f(igt_display_has_format_mod(&data->display,
> + DRM_FORMAT_XRGB8888,
> + modifiers[i].modifier),
> + "Modifier not supported\n");
> data->mod = modifiers[i].modifier;
> data->crop = 4;
> run_test(data, test_pixel_formats);