Hello,
> drivers/platform/chrome/cros_ec_typec.c | 31
> +++++++++++++++++++++++++
> 1 file changed, 31 insertions(+)
>
> diff --git a/drivers/platform/chrome/cros_ec_typec.c
> b/drivers/platform/chrome/cros_ec_typec.c
> index d0b4d3fc40ed..8372f13052a8 100644
> --- a/drivers/platform/chrome/cros_ec_typec.c
> +++ b/drivers/platform/chrome/cros_ec_typec.c
> @@ -492,6 +492,8 @@ static int cros_typec_enable_dp(struct
> cros_typec_data *typec, {
> struct cros_typec_port *port = typec->ports[port_num];
> struct typec_displayport_data dp_data;
> + u32 cable_tbt_vdo;
> + u32 cable_dp_vdo;
> int ret;
>
> if (typec->pd_ctrl_ver < 2) {
> @@ -524,6 +526,35 @@ static int cros_typec_enable_dp(struct
> cros_typec_data *typec,
> port->state.data = &dp_data;
> port->state.mode = TYPEC_MODAL_STATE(ffs(pd_ctrl->dp_mode));
>
> + /* Get cable VDO for cables with DPSID to check DPAM2.1 is
> supported */
> + cable_dp_vdo = cros_typec_get_cable_vdo(port,
> USB_TYPEC_DP_SID);
> +
> + /**
> + * Get cable VDO for thunderbolt cables and cables with DPSID but
> does not
> + * support DPAM2.1.
> + */
> + cable_tbt_vdo = cros_typec_get_cable_vdo(port,
> USB_TYPEC_TBT_SID);
> +
> + if (cable_dp_vdo & DP_CAP_DPAM_VERSION) {
> + dp_data.conf |= cable_dp_vdo;
> + } else if (cable_tbt_vdo) {
> + u8 cable_speed = TBT_CABLE_SPEED(cable_tbt_vdo);
> +
> + dp_data.conf |= cable_speed <<
> DP_CONF_SIGNALLING_SHIFT;
> +
> + /* Cable Type */
> + if (cable_tbt_vdo & TBT_CABLE_OPTICAL)
> + dp_data.conf |= DP_CONF_CABLE_TYPE_OPTICAL <<
> DP_CONF_CABLE_TYPE_SHIFT;
> + else if (cable_tbt_vdo & TBT_CABLE_RETIMER)
> + dp_data.conf |= DP_CONF_CABLE_TYPE_RE_TIMER <<
> DP_CONF_CABLE_TYPE_SHIFT;
> + else if (cable_tbt_vdo & TBT_CABLE_ACTIVE_PASSIVE)
> + dp_data.conf |= DP_CONF_CABLE_TYPE_RE_DRIVER
> << DP_CONF_CABLE_TYPE_SHIFT;
> + } else if (PD_IDH_PTYPE(port->c_identity.id_header) ==
> IDH_PTYPE_PCABLE) {
> + u8 cable_speed = VDO_CABLE_SPEED(port-
> >c_identity.vdo[0]);
I have wrong macro name here, will correct it in next version.
It should be VDO_TYPEC_CABLE_SPEED.
Sincerely,
Utkarsh Patel.