Re: [PATCH i-g-t 8/8] tools/intel_vbt_decode: Dump dedicated_external and dyn_port_over_tc fields

Karthik B S
2026-04-27T05:18:25Z

On 4/22/2026 9:13 AM, Ankit Nautiyal wrote:
> VBT version 264 adds two new child device fields: dedicated_external
> and dyn_port_over_tc. The dedicated_external field indicates TC ports
> connected to PHYs outside the Type-C subsystem, while dyn_port_over_tc
> indicates that a TC port supports dynamic DDI allocation in TCSS.
>
> Dump these fields in the VBT decode tool.
>
> Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Karthik B S <karthik.b.s@intel.com>
> ---
> tools/intel_vbt_decode.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/tools/intel_vbt_decode.c b/tools/intel_vbt_decode.c
> index dbc92e12a39a..1f4545c8e10c 100644
> --- a/tools/intel_vbt_decode.c
> +++ b/tools/intel_vbt_decode.c
> @@ -1317,6 +1317,11 @@ static void dump_child_device(struct context *context,
>
> if (context->bdb->version >= 263)
> dump_edp_data_rate_override(child->edp_data_rate_override);
> +
> + if (context->bdb->version >= 264) {
> + printf("\t\tDedicated External TC Port: %s\n", YESNO(child->dedicated_external));
> + printf("\t\tPort supports dynamic DDI allocation in TCSS: %s\n", YESNO(child->dyn_port_over_tc));
> + }
> }
>
> static void dump_child_devices(struct context *context, const uint8_t *devices,