On Wed, Jul 17, 2019 at 09:42:24PM -0400, Lyude Paul wrote:
> Since we're about to be calling this from multiple places. Also it makes
> things easier to read!
>
> Cc: Juston Li <juston.li@xxxxxxxxx>
> Cc: Imre Deak <imre.deak@xxxxxxxxx>
> Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> Cc: Harry Wentland <hwentlan@xxxxxxx>
> Signed-off-by: Lyude Paul <lyude@xxxxxxxxxx>
Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
> ---
> drivers/gpu/drm/drm_dp_mst_topology.c | 35 ++++++++++++++++++---------
> 1 file changed, 23 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
> index 0984b9a34d55..998081b9b205 100644
> --- a/drivers/gpu/drm/drm_dp_mst_topology.c
> +++ b/drivers/gpu/drm/drm_dp_mst_topology.c
> @@ -2013,6 +2013,28 @@ static void drm_dp_queue_down_tx(struct drm_dp_mst_topology_mgr *mgr,
> mutex_unlock(&mgr->qlock);
> }
>
> +static void
> +drm_dp_dump_link_address(struct drm_dp_link_address_ack_reply *reply)
> +{
> + struct drm_dp_link_addr_reply_port *port_reply;
> + int i;
> +
> + for (i = 0; i < reply->nports; i++) {
> + port_reply = &reply->ports[i];
> + DRM_DEBUG_KMS("port %d: input %d, pdt: %d, pn: %d, dpcd_rev: %02x, mcs: %d, ddps: %d, ldps %d, sdp %d/%d\n",
> + i,
> + port_reply->input_port,
> + port_reply->peer_device_type,
> + port_reply->port_number,
> + port_reply->dpcd_revision,
> + port_reply->mcs,
> + port_reply->ddps,
> + port_reply->legacy_device_plug_status,
> + port_reply->num_sdp_streams,
> + port_reply->num_sdp_stream_sinks);
> + }
> +}
> +
> static void drm_dp_send_link_address(struct drm_dp_mst_topology_mgr *mgr,
> struct drm_dp_mst_branch *mstb)
> {
> @@ -2038,18 +2060,7 @@ static void drm_dp_send_link_address(struct drm_dp_mst_topology_mgr *mgr,
> DRM_DEBUG_KMS("link address nak received\n");
> } else {
> DRM_DEBUG_KMS("link address reply: %d\n", txmsg->reply.u.link_addr.nports);
> - for (i = 0; i < txmsg->reply.u.link_addr.nports; i++) {
> - DRM_DEBUG_KMS("port %d: input %d, pdt: %d, pn: %d, dpcd_rev: %02x, mcs: %d, ddps: %d, ldps %d, sdp %d/%d\n", i,
> - txmsg->reply.u.link_addr.ports[i].input_port,
> - txmsg->reply.u.link_addr.ports[i].peer_device_type,
> - txmsg->reply.u.link_addr.ports[i].port_number,
> - txmsg->reply.u.link_addr.ports[i].dpcd_revision,
> - txmsg->reply.u.link_addr.ports[i].mcs,
> - txmsg->reply.u.link_addr.ports[i].ddps,
> - txmsg->reply.u.link_addr.ports[i].legacy_device_plug_status,
> - txmsg->reply.u.link_addr.ports[i].num_sdp_streams,
> - txmsg->reply.u.link_addr.ports[i].num_sdp_stream_sinks);
> - }
> + drm_dp_dump_link_address(&txmsg->reply.u.link_addr);
>
> drm_dp_check_mstb_guid(mstb, txmsg->reply.u.link_addr.guid);
>
> --
> 2.21.0
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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