On Wed, Jul 17, 2019 at 09:42:31PM -0400, Lyude Paul wrote:
> Use more pointers so we don't have to write out
> txmsg->reply.u.path_resources each time. Also, fix line wrapping +
> rearrange local variables.
>
> 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 | 24 ++++++++++++++++--------
> 1 file changed, 16 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
> index ec6865e1af75..57c9c605ee17 100644
> --- a/drivers/gpu/drm/drm_dp_mst_topology.c
> +++ b/drivers/gpu/drm/drm_dp_mst_topology.c
> @@ -2350,12 +2350,14 @@ static void drm_dp_send_link_address(struct drm_dp_mst_topology_mgr *mgr,
> kfree(txmsg);
> }
>
> -static int drm_dp_send_enum_path_resources(struct drm_dp_mst_topology_mgr *mgr,
> - struct drm_dp_mst_branch *mstb,
> - struct drm_dp_mst_port *port)
> +static int
> +drm_dp_send_enum_path_resources(struct drm_dp_mst_topology_mgr *mgr,
> + struct drm_dp_mst_branch *mstb,
> + struct drm_dp_mst_port *port)
> {
> - int len;
> + struct drm_dp_enum_path_resources_ack_reply *path_res;
> struct drm_dp_sideband_msg_tx *txmsg;
> + int len;
> int ret;
>
> txmsg = kzalloc(sizeof(*txmsg), GFP_KERNEL);
> @@ -2369,14 +2371,20 @@ static int drm_dp_send_enum_path_resources(struct drm_dp_mst_topology_mgr *mgr,
>
> ret = drm_dp_mst_wait_tx_reply(mstb, txmsg);
> if (ret > 0) {
> + path_res = &txmsg->reply.u.path_resources;
> +
> if (txmsg->reply.reply_type == DP_SIDEBAND_REPLY_NAK) {
> DRM_DEBUG_KMS("enum path resources nak received\n");
> } else {
> - if (port->port_num != txmsg->reply.u.path_resources.port_number)
> + if (port->port_num != path_res->port_number)
> DRM_ERROR("got incorrect port in response\n");
> - DRM_DEBUG_KMS("enum path resources %d: %d %d\n", txmsg->reply.u.path_resources.port_number, txmsg->reply.u.path_resources.full_payload_bw_number,
> - txmsg->reply.u.path_resources.avail_payload_bw_number);
> - port->available_pbn = txmsg->reply.u.path_resources.avail_payload_bw_number;
> +
> + DRM_DEBUG_KMS("enum path resources %d: %d %d\n",
> + path_res->port_number,
> + path_res->full_payload_bw_number,
> + path_res->avail_payload_bw_number);
> + port->available_pbn =
> + path_res->avail_payload_bw_number;
> }
> }
>
> --
> 2.21.0
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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