Hi Heikki,
On 11/20/2025 10:23 AM, Chaoyi Chen wrote:
> From: Chaoyi Chen <[email protected]>
>
[...]
>
> drivers/gpu/drm/bridge/Kconfig | 10 ++++
> drivers/gpu/drm/bridge/Makefile | 1 +
> .../gpu/drm/bridge/aux-hpd-typec-dp-bridge.c | 50 +++++++++++++++++++
> 3 files changed, 61 insertions(+)
> create mode 100644 drivers/gpu/drm/bridge/aux-hpd-typec-dp-bridge.c
>
> +
> +static int drm_typec_bus_event(struct notifier_block *nb,
> + unsigned long action, void *data)
> +{
> + struct typec_altmode *alt = (struct typec_altmode *)data;
> +
> + if (action != TYPEC_ALTMODE_REGISTERED)
> + goto done;
> +
> + if (is_typec_partner(&alt->dev) || alt->svid != USB_TYPEC_DP_SID)
> + goto done;
It should be "is_typec_partner(alt->dev.parent)".
Sorry, I didn't notice this earlier. I will fix this in v11.
> +
> + /*
> + * alt->dev.parent->parent : USB-C controller device
> + * alt->dev.parent : USB-C connector device
> + */
> + drm_dp_hpd_bridge_register(alt->dev.parent->parent,
> + to_of_node(alt->dev.parent->fwnode));
> +
> +done:
> + return NOTIFY_OK;
> +}
> +
--
Best,
Chaoyi
