Which reduces indentation and makes this function more legible.
Cc: Juston Li juston.li@intel.com Cc: Imre Deak imre.deak@intel.com Cc: Ville Syrjälä ville.syrjala@linux.intel.com Cc: Harry Wentland hwentlan@amd.com Signed-off-by: Lyude Paul lyude@redhat.com --- drivers/gpu/drm/drm_dp_mst_topology.c | 90 +++++++++++++-------------- 1 file changed, 45 insertions(+), 45 deletions(-)
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index 57c9c605ee17..b867a2e8f779 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -3126,7 +3126,9 @@ static int drm_dp_mst_handle_down_rep(struct drm_dp_mst_topology_mgr *mgr)
static int drm_dp_mst_handle_up_req(struct drm_dp_mst_topology_mgr *mgr) { - int ret = 0; + struct drm_dp_sideband_msg_req_body msg; + struct drm_dp_mst_branch *mstb = NULL; + bool seqno;
if (!drm_dp_get_one_sb_msg(mgr, true)) { memset(&mgr->up_req_recv, 0, @@ -3134,62 +3136,60 @@ static int drm_dp_mst_handle_up_req(struct drm_dp_mst_topology_mgr *mgr) return 0; }
- if (mgr->up_req_recv.have_eomt) { - struct drm_dp_sideband_msg_req_body msg; - struct drm_dp_mst_branch *mstb = NULL; - bool seqno; - - if (!mgr->up_req_recv.initial_hdr.broadcast) { - mstb = drm_dp_get_mst_branch_device(mgr, - mgr->up_req_recv.initial_hdr.lct, - mgr->up_req_recv.initial_hdr.rad); - if (!mstb) { - DRM_DEBUG_KMS("Got MST reply from unknown device %d\n", mgr->up_req_recv.initial_hdr.lct); - memset(&mgr->up_req_recv, 0, sizeof(struct drm_dp_sideband_msg_rx)); - return 0; - } - } + if (!mgr->up_req_recv.have_eomt) + return 0;
- seqno = mgr->up_req_recv.initial_hdr.seqno; - drm_dp_sideband_parse_req(&mgr->up_req_recv, &msg); + if (!mgr->up_req_recv.initial_hdr.broadcast) { + mstb = drm_dp_get_mst_branch_device(mgr, + mgr->up_req_recv.initial_hdr.lct, + mgr->up_req_recv.initial_hdr.rad); + if (!mstb) { + DRM_DEBUG_KMS("Got MST reply from unknown device %d\n", mgr->up_req_recv.initial_hdr.lct); + memset(&mgr->up_req_recv, 0, sizeof(struct drm_dp_sideband_msg_rx)); + return 0; + } + }
- if (msg.req_type == DP_CONNECTION_STATUS_NOTIFY) { - drm_dp_send_up_ack_reply(mgr, mgr->mst_primary, msg.req_type, seqno, false); + seqno = mgr->up_req_recv.initial_hdr.seqno; + drm_dp_sideband_parse_req(&mgr->up_req_recv, &msg);
- if (!mstb) - mstb = drm_dp_get_mst_branch_device_by_guid(mgr, msg.u.conn_stat.guid); + if (msg.req_type == DP_CONNECTION_STATUS_NOTIFY) { + drm_dp_send_up_ack_reply(mgr, mgr->mst_primary, msg.req_type, seqno, false);
- if (!mstb) { - DRM_DEBUG_KMS("Got MST reply from unknown device %d\n", mgr->up_req_recv.initial_hdr.lct); - memset(&mgr->up_req_recv, 0, sizeof(struct drm_dp_sideband_msg_rx)); - return 0; - } + if (!mstb) + mstb = drm_dp_get_mst_branch_device_by_guid(mgr, msg.u.conn_stat.guid);
- drm_dp_update_port(mstb, &msg.u.conn_stat); + if (!mstb) { + DRM_DEBUG_KMS("Got MST reply from unknown device %d\n", mgr->up_req_recv.initial_hdr.lct); + memset(&mgr->up_req_recv, 0, sizeof(struct drm_dp_sideband_msg_rx)); + return 0; + }
- DRM_DEBUG_KMS("Got CSN: pn: %d ldps:%d ddps: %d mcs: %d ip: %d pdt: %d\n", msg.u.conn_stat.port_number, msg.u.conn_stat.legacy_device_plug_status, msg.u.conn_stat.displayport_device_plug_status, msg.u.conn_stat.message_capability_status, msg.u.conn_stat.input_port, msg.u.conn_stat.peer_device_type); - drm_kms_helper_hotplug_event(mgr->dev); + drm_dp_update_port(mstb, &msg.u.conn_stat);
- } else if (msg.req_type == DP_RESOURCE_STATUS_NOTIFY) { - drm_dp_send_up_ack_reply(mgr, mgr->mst_primary, msg.req_type, seqno, false); - if (!mstb) - mstb = drm_dp_get_mst_branch_device_by_guid(mgr, msg.u.resource_stat.guid); + DRM_DEBUG_KMS("Got CSN: pn: %d ldps:%d ddps: %d mcs: %d ip: %d pdt: %d\n", msg.u.conn_stat.port_number, msg.u.conn_stat.legacy_device_plug_status, msg.u.conn_stat.displayport_device_plug_status, msg.u.conn_stat.message_capability_status, msg.u.conn_stat.input_port, msg.u.conn_stat.peer_device_type); + drm_kms_helper_hotplug_event(mgr->dev);
- if (!mstb) { - DRM_DEBUG_KMS("Got MST reply from unknown device %d\n", mgr->up_req_recv.initial_hdr.lct); - memset(&mgr->up_req_recv, 0, sizeof(struct drm_dp_sideband_msg_rx)); - return 0; - } + } else if (msg.req_type == DP_RESOURCE_STATUS_NOTIFY) { + drm_dp_send_up_ack_reply(mgr, mgr->mst_primary, msg.req_type, seqno, false); + if (!mstb) + mstb = drm_dp_get_mst_branch_device_by_guid(mgr, msg.u.resource_stat.guid);
- DRM_DEBUG_KMS("Got RSN: pn: %d avail_pbn %d\n", msg.u.resource_stat.port_number, msg.u.resource_stat.available_pbn); + if (!mstb) { + DRM_DEBUG_KMS("Got MST reply from unknown device %d\n", mgr->up_req_recv.initial_hdr.lct); + memset(&mgr->up_req_recv, 0, sizeof(struct drm_dp_sideband_msg_rx)); + return 0; }
- if (mstb) - drm_dp_mst_topology_put_mstb(mstb); - - memset(&mgr->up_req_recv, 0, sizeof(struct drm_dp_sideband_msg_rx)); + DRM_DEBUG_KMS("Got RSN: pn: %d avail_pbn %d\n", msg.u.resource_stat.port_number, msg.u.resource_stat.available_pbn); } - return ret; + + if (mstb) + drm_dp_mst_topology_put_mstb(mstb); + + memset(&mgr->up_req_recv, 0, sizeof(struct drm_dp_sideband_msg_rx)); + + return 0; }
/**