[PATCH v3 07/10] drm/display: hdmi_state_helper: reject Audio IF updates if it's not supported

[Maxime Ripard]

Hi,

On Wed, Dec 24, 2025 at 03:02:56AM +0200, Dmitry Baryshkov wrote:
> Updating the InfoFrame if it can not be sent over the wire makes no
> sense. Change drm_atomic_helper_connector_hdmi_update_audio_infoframe()
> and drm_atomic_helper_connector_hdmi_clear_audio_infoframe() to return
> an error if Audio InfoFrame callbacks are not implemented.
> 
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at oss.qualcomm.com>

IIRC, audio infoframes are mandatory if you send audio over the cable,
so maybe we should do like you did for drmm_connector_hdmi_init and
error in drm_connector_hdmi_audio_init if we don't have the proper
write_infoframe hook set?

Maxime
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