Hey Lyude,
This patch looks good, but I have one question below. With it
addressed, feel free to add my r-b.
Reviewed-by: Robert Foss <robert.foss@xxxxxxxxxx>
>
> -static bool drm_dp_sideband_parse_req(struct drm_dp_sideband_msg_rx *raw,
> +static bool drm_dp_sideband_parse_req(const struct drm_dp_mst_topology_mgr *mgr,
> + struct drm_dp_sideband_msg_rx *raw,
> struct drm_dp_sideband_msg_req_body *msg)
> {
> memset(msg, 0, sizeof(*msg));
> @@ -1117,12 +1125,12 @@ static bool drm_dp_sideband_parse_req(struct drm_dp_sideband_msg_rx *raw,
>
> switch (msg->req_type) {
> case DP_CONNECTION_STATUS_NOTIFY:
> - return drm_dp_sideband_parse_connection_status_notify(raw, msg);
> + return drm_dp_sideband_parse_connection_status_notify(mgr, raw, msg);
> case DP_RESOURCE_STATUS_NOTIFY:
> - return drm_dp_sideband_parse_resource_status_notify(raw, msg);
> + return drm_dp_sideband_parse_resource_status_notify(mgr, raw, msg);
> default:
> - DRM_ERROR("Got unknown request 0x%02x (%s)\n", msg->req_type,
> - drm_dp_mst_req_type_str(msg->req_type));
> + drm_err(mgr->dev, "Got unknown request 0x%02x (%s)\n",
> + msg->req_type, drm_dp_mst_req_type_str(msg->req_type));
> return false;
> }
> }
>
.. snip ..
> @@ -4118,12 +4121,12 @@ static int drm_dp_mst_handle_up_req(struct drm_dp_mst_topology_mgr *mgr)
>
> INIT_LIST_HEAD(&up_req->next);
>
> - drm_dp_sideband_parse_req(&mgr->up_req_recv, &up_req->msg);
> + drm_dp_sideband_parse_req(mgr, &mgr->up_req_recv, &up_req->msg);
drm_dp_sideband_parse_req() is only called here, and the function
arguments could probably stand to have `&mgr->up_req_recv` removed
(here and in the func. declaration) since the same data structure is
accessible through the `mgr` pointer inside of
drm_dp_sideband_parse_req(). I guess this is a matter of taste, so
feel free to do what you want with this.
>
> if (up_req->msg.req_type != DP_CONNECTION_STATUS_NOTIFY &&
> up_req->msg.req_type != DP_RESOURCE_STATUS_NOTIFY) {
> - DRM_DEBUG_KMS("Received unknown up req type, ignoring: %x\n",
> - up_req->msg.req_type);
> + drm_dbg_kms(mgr->dev, "Received unknown up req type, ignoring: %x\n",
> + up_req->msg.req_type);
> kfree(up_req);
> goto out;
> }
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