Re: [PATCH i-g-t] tests/kms_hdmi_inject: Retry ELD check to avoid transient audio races

["Juha-Pekka Heikkilä" <juhapekka.heikkila@gmail.com>]

Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>

On 27/04/2026 13.58, Jeevan B wrote:
> ELD population can lag HDMI audio enable on some platforms.
> Retry once to avoid spurious test failures.
> 
> Closes: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/14867
> Signed-off-by: Jeevan B <jeevan.b@intel.com>
> ---
>   tests/kms_hdmi_inject.c | 8 +++++++-
>   1 file changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/tests/kms_hdmi_inject.c b/tests/kms_hdmi_inject.c
> index 00eb5e4a4..f388a84c3 100644
> --- a/tests/kms_hdmi_inject.c
> +++ b/tests/kms_hdmi_inject.c
> @@ -200,7 +200,13 @@ hdmi_inject_audio(int drm_fd, drmModeConnector *connector)
>   	 * Test if we have /proc/asound/HDMI/eld#0.0 and is its contents are
>   	 * valid.
>   	 */
> -	igt_assert(eld_has_igt());
> +	if (!eld_has_igt()) {
> +		igt_info("HDMI audio enabled but ELD not visible yet; retrying\n");
> +		usleep(200 * 1000);
> +
> +		igt_assert_f(eld_has_igt(),
> +			     "HDMI ELD missing after retry\n");
> +	}
>   
>   	igt_remove_fb(drm_fd, &fb);
>