tree: git://people.freedesktop.org/~agd5f/linux.git drm-next head: 97b7d54cb4471d27e35913a98c914956be65cc2c commit: 730758bf5a57ae27c65ba2bcdadc1c9a811502b9 [234/239] drm/dp_mst: Add helper to trigger modeset on affected DSC MST CRTCs reproduce: make htmldocs

If you fix the issue, kindly add following tag Reported-by: kbuild test robot lkp@intel.com

All warnings (new ones prefixed by >>):

fs/posix_acl.c:647: warning: Function parameter or member 'inode' not described in 'posix_acl_update_mode' fs/posix_acl.c:647: warning: Function parameter or member 'mode_p' not described in 'posix_acl_update_mode' fs/posix_acl.c:647: warning: Function parameter or member 'acl' not described in 'posix_acl_update_mode' sound/soc/soc-core.c:2509: warning: Function parameter or member 'legacy_dai_naming' not described in 'snd_soc_register_dai' include/linux/regulator/machine.h:196: warning: Function parameter or member 'max_uV_step' not described in 'regulation_constraints' include/linux/regulator/driver.h:223: warning: Function parameter or member 'resume' not described in 'regulator_ops' include/linux/skbuff.h:888: warning: Function parameter or member 'dev_scratch' not described in 'sk_buff' include/linux/skbuff.h:888: warning: Function parameter or member 'list' not described in 'sk_buff' include/linux/skbuff.h:888: warning: Function parameter or member 'ip_defrag_offset' not described in 'sk_buff' include/linux/skbuff.h:888: warning: Function parameter or member 'skb_mstamp_ns' not described in 'sk_buff' include/linux/skbuff.h:888: warning: Function parameter or member '__cloned_offset' not described in 'sk_buff' include/linux/skbuff.h:888: warning: Function parameter or member 'head_frag' not described in 'sk_buff' include/linux/skbuff.h:888: warning: Function parameter or member '__pkt_type_offset' not described in 'sk_buff' include/linux/skbuff.h:888: warning: Function parameter or member 'encapsulation' not described in 'sk_buff' include/linux/skbuff.h:888: warning: Function parameter or member 'encap_hdr_csum' not described in 'sk_buff' include/linux/skbuff.h:888: warning: Function parameter or member 'csum_valid' not described in 'sk_buff' include/linux/skbuff.h:888: warning: Function parameter or member '__pkt_vlan_present_offset' not described in 'sk_buff' include/linux/skbuff.h:888: warning: Function parameter or member 'vlan_present' not described in 'sk_buff' include/linux/skbuff.h:888: warning: Function parameter or member 'csum_complete_sw' not described in 'sk_buff' include/linux/skbuff.h:888: warning: Function parameter or member 'csum_level' not described in 'sk_buff' include/linux/skbuff.h:888: warning: Function parameter or member 'inner_protocol_type' not described in 'sk_buff' include/linux/skbuff.h:888: warning: Function parameter or member 'remcsum_offload' not described in 'sk_buff' include/linux/skbuff.h:888: warning: Function parameter or member 'sender_cpu' not described in 'sk_buff' include/linux/skbuff.h:888: warning: Function parameter or member 'reserved_tailroom' not described in 'sk_buff' include/linux/skbuff.h:888: warning: Function parameter or member 'inner_ipproto' not described in 'sk_buff' include/net/sock.h:232: warning: Function parameter or member 'skc_addrpair' not described in 'sock_common' include/net/sock.h:232: warning: Function parameter or member 'skc_portpair' not described in 'sock_common' include/net/sock.h:232: warning: Function parameter or member 'skc_ipv6only' not described in 'sock_common' include/net/sock.h:232: warning: Function parameter or member 'skc_net_refcnt' not described in 'sock_common' include/net/sock.h:232: warning: Function parameter or member 'skc_v6_daddr' not described in 'sock_common' include/net/sock.h:232: warning: Function parameter or member 'skc_v6_rcv_saddr' not described in 'sock_common' include/net/sock.h:232: warning: Function parameter or member 'skc_cookie' not described in 'sock_common' include/net/sock.h:232: warning: Function parameter or member 'skc_listener' not described in 'sock_common' include/net/sock.h:232: warning: Function parameter or member 'skc_tw_dr' not described in 'sock_common' include/net/sock.h:232: warning: Function parameter or member 'skc_rcv_wnd' not described in 'sock_common' include/net/sock.h:232: warning: Function parameter or member 'skc_tw_rcv_nxt' not described in 'sock_common' include/net/sock.h:514: warning: Function parameter or member 'sk_rx_skb_cache' not described in 'sock' include/net/sock.h:514: warning: Function parameter or member 'sk_wq_raw' not described in 'sock' include/net/sock.h:514: warning: Function parameter or member 'tcp_rtx_queue' not described in 'sock' include/net/sock.h:514: warning: Function parameter or member 'sk_tx_skb_cache' not described in 'sock' include/net/sock.h:514: warning: Function parameter or member 'sk_route_forced_caps' not described in 'sock' include/net/sock.h:514: warning: Function parameter or member 'sk_txtime_report_errors' not described in 'sock' include/net/sock.h:514: warning: Function parameter or member 'sk_validate_xmit_skb' not described in 'sock' include/net/sock.h:514: warning: Function parameter or member 'sk_bpf_storage' not described in 'sock' include/net/sock.h:2454: warning: Function parameter or member 'tcp_rx_skb_cache_key' not described in 'DECLARE_STATIC_KEY_FALSE' include/net/sock.h:2454: warning: Excess function parameter 'sk' description in 'DECLARE_STATIC_KEY_FALSE' include/net/sock.h:2454: warning: Excess function parameter 'skb' description in 'DECLARE_STATIC_KEY_FALSE' net/core/skbuff.c:5489: warning: Function parameter or member 'ethernet' not described in 'skb_mpls_push' include/linux/netdevice.h:1779: warning: bad line: spinlock include/linux/netdevice.h:2082: warning: Function parameter or member 'gso_partial_features' not described in 'net_device' include/linux/netdevice.h:2082: warning: Function parameter or member 'l3mdev_ops' not described in 'net_device' include/linux/netdevice.h:2082: warning: Function parameter or member 'xfrmdev_ops' not described in 'net_device' include/linux/netdevice.h:2082: warning: Function parameter or member 'tlsdev_ops' not described in 'net_device' include/linux/netdevice.h:2082: warning: Function parameter or member 'name_assign_type' not described in 'net_device' include/linux/netdevice.h:2082: warning: Function parameter or member 'ieee802154_ptr' not described in 'net_device' include/linux/netdevice.h:2082: warning: Function parameter or member 'mpls_ptr' not described in 'net_device' include/linux/netdevice.h:2082: warning: Function parameter or member 'xdp_prog' not described in 'net_device' include/linux/netdevice.h:2082: warning: Function parameter or member 'gro_flush_timeout' not described in 'net_device' include/linux/netdevice.h:2082: warning: Function parameter or member 'nf_hooks_ingress' not described in 'net_device' include/linux/netdevice.h:2082: warning: Function parameter or member 'qdisc_hash' not described in 'net_device' include/linux/netdevice.h:2082: warning: Function parameter or member 'xps_cpus_map' not described in 'net_device' include/linux/netdevice.h:2082: warning: Function parameter or member 'xps_rxqs_map' not described in 'net_device' include/linux/phylink.h:56: warning: Function parameter or member '__ETHTOOL_DECLARE_LINK_MODE_MASK(advertising' not described in 'phylink_link_state' include/linux/phylink.h:56: warning: Function parameter or member '__ETHTOOL_DECLARE_LINK_MODE_MASK(lp_advertising' not described in 'phylink_link_state' drivers/infiniband/core/umem_odp.c:167: warning: Function parameter or member 'ops' not described in 'ib_umem_odp_alloc_child' drivers/infiniband/core/umem_odp.c:217: warning: Function parameter or member 'ops' not described in 'ib_umem_odp_get' drivers/infiniband/ulp/iser/iscsi_iser.h:401: warning: Function parameter or member 'all_list' not described in 'iser_fr_desc' drivers/infiniband/ulp/iser/iscsi_iser.h:415: warning: Function parameter or member 'all_list' not described in 'iser_fr_pool' drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.h:148: warning: Function parameter or member 'rsvd0' not described in 'opa_vesw_info' drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.h:148: warning: Function parameter or member 'rsvd1' not described in 'opa_vesw_info' drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.h:148: warning: Function parameter or member 'rsvd2' not described in 'opa_vesw_info' drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.h:148: warning: Function parameter or member 'rsvd3' not described in 'opa_vesw_info' drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.h:148: warning: Function parameter or member 'rsvd4' not described in 'opa_vesw_info' drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.h:205: warning: Function parameter or member 'rsvd0' not described in 'opa_per_veswport_info' drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.h:205: warning: Function parameter or member 'rsvd1' not described in 'opa_per_veswport_info' drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.h:205: warning: Function parameter or member 'rsvd2' not described in 'opa_per_veswport_info' drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.h:205: warning: Function parameter or member 'rsvd3' not described in 'opa_per_veswport_info' drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.h:263: warning: Function parameter or member 'tbl_entries' not described in 'opa_veswport_mactable' drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.h:342: warning: Function parameter or member 'reserved' not described in 'opa_veswport_summary_counters' drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.h:394: warning: Function parameter or member 'rsvd0' not described in 'opa_veswport_error_counters' drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.h:394: warning: Function parameter or member 'rsvd1' not described in 'opa_veswport_error_counters' drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.h:394: warning: Function parameter or member 'rsvd2' not described in 'opa_veswport_error_counters' drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.h:394: warning: Function parameter or member 'rsvd3' not described in 'opa_veswport_error_counters' drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.h:394: warning: Function parameter or member 'rsvd4' not described in 'opa_veswport_error_counters' drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.h:394: warning: Function parameter or member 'rsvd5' not described in 'opa_veswport_error_counters' drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.h:394: warning: Function parameter or member 'rsvd6' not described in 'opa_veswport_error_counters' drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.h:394: warning: Function parameter or member 'rsvd7' not described in 'opa_veswport_error_counters' drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.h:394: warning: Function parameter or member 'rsvd8' not described in 'opa_veswport_error_counters' drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.h:394: warning: Function parameter or member 'rsvd9' not described in 'opa_veswport_error_counters' drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.h:460: warning: Function parameter or member 'reserved' not described in 'opa_vnic_vema_mad' drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.h:485: warning: Function parameter or member 'reserved' not described in 'opa_vnic_notice_attr' drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.h:500: warning: Function parameter or member 'reserved' not described in 'opa_vnic_vema_mad_trap' include/linux/input/sparse-keymap.h:43: warning: Function parameter or member 'sw' not described in 'key_entry' kernel/futex.c:1187: warning: Function parameter or member 'ret' not described in 'wait_for_owner_exiting' include/drm/drm_modeset_helper_vtables.h:1052: warning: Function parameter or member 'prepare_writeback_job' not described in 'drm_connector_helper_funcs' include/drm/drm_modeset_helper_vtables.h:1052: warning: Function parameter or member 'cleanup_writeback_job' not described in 'drm_connector_helper_funcs' drivers/gpu/drm/bridge/panel.c:303: warning: Function parameter or member 'bridge' not described in 'drm_panel_bridge_connector' drivers/gpu/drm/drm_dp_mst_topology.c:4865: warning: Excess function parameter 'port' description in 'drm_dp_mst_add_affected_dsc_crtcs' drivers/gpu/drm/drm_dp_mst_topology.c:4865: warning: Excess function parameter 'port' description in 'drm_dp_mst_add_affected_dsc_crtcs' include/drm/drm_dp_mst_helper.h:162: warning: Function parameter or member 'fec_capable' not described in 'drm_dp_mst_port'

...

drivers/gpu/drm/drm_dp_mst_topology.c:4866: warning: Function parameter or member 'mgr' not described in 'drm_dp_mst_add_affected_dsc_crtcs'

drivers/gpu/drm/drm_dp_mst_topology.c:4866: warning: Excess function parameter 'port' description in 'drm_dp_mst_add_affected_dsc_crtcs' drivers/gpu/drm/drm_dp_mst_topology.c:4865: warning: Excess function parameter 'port' description in 'drm_dp_mst_add_affected_dsc_crtcs' include/drm/gpu_scheduler.h:102: warning: Function parameter or member 'num_sched_list' not described in 'drm_sched_entity' include/drm/gpu_scheduler.h:102: warning: Function parameter or member 'sched_list' not described in 'drm_sched_entity' include/drm/gpu_scheduler.h:102: warning: Function parameter or member 'priority' not described in 'drm_sched_entity' include/net/cfg80211.h:1189: warning: Function parameter or member 'txpwr' not described in 'station_parameters' include/net/mac80211.h:4081: warning: Function parameter or member 'sta_set_txpwr' not described in 'ieee80211_ops' include/net/mac80211.h:2036: warning: Function parameter or member 'txpwr' not described in 'ieee80211_sta' include/linux/devfreq.h:187: warning: Function parameter or member 'last_status' not described in 'devfreq' drivers/devfreq/devfreq.c:1818: warning: bad line: - Resource-managed devfreq_register_notifier() drivers/devfreq/devfreq.c:1854: warning: bad line: - Resource-managed devfreq_unregister_notifier() drivers/devfreq/devfreq-event.c:355: warning: Function parameter or member 'edev' not described in 'devfreq_event_remove_edev' drivers/devfreq/devfreq-event.c:355: warning: Excess function parameter 'dev' description in 'devfreq_event_remove_edev' Documentation/admin-guide/xfs.rst:257: WARNING: Block quote ends without a blank line; unexpected unindent. Documentation/admin-guide/hw-vuln/tsx_async_abort.rst:142: WARNING: duplicate label virt_mechanism, other instance in Documentation/admin-guide/hw-vuln/mds.rst Documentation/admin-guide/ras.rst:358: WARNING: Definition list ends without a blank line; unexpected unindent. Documentation/admin-guide/ras.rst:358: WARNING: Definition list ends without a blank line; unexpected unindent. Documentation/admin-guide/ras.rst:363: WARNING: Definition list ends without a blank line; unexpected unindent. Documentation/admin-guide/ras.rst:363: WARNING: Definition list ends without a blank line; unexpected unindent. Documentation/usb/index.rst:5: WARNING: toctree contains reference to nonexisting document 'usb/rio' Documentation/usb/index.rst:5: WARNING: toctree contains reference to nonexisting document 'usb/wusb-design-overview' Documentation/x86/boot.rst:72: WARNING: Malformed table. Text in column margin in table line 57.

vim +4866 drivers/gpu/drm/drm_dp_mst_topology.c

4850 4851 /** 4852 * drm_dp_mst_add_affected_dsc_crtcs 4853 * @state: Pointer to the new struct drm_dp_mst_topology_state 4854 * @port: Port pointer of connector with new state 4855 * 4856 * Whenever there is a change in mst topology 4857 * DSC configuration would have to be recalculated 4858 * therefore we need to trigger modeset on all affected 4859 * CRTCs in that topology 4860 * 4861 * See also: 4862 * drm_dp_mst_atomic_enable_dsc() 4863 */ 4864 int drm_dp_mst_add_affected_dsc_crtcs(struct drm_atomic_state *state, struct drm_dp_mst_topology_mgr *mgr) 4865 {

4866 struct drm_dp_mst_topology_state *mst_state;

4867 struct drm_dp_vcpi_allocation *pos; 4868 struct drm_connector *connector; 4869 struct drm_connector_state *conn_state; 4870 struct drm_crtc *crtc; 4871 struct drm_crtc_state *crtc_state; 4872 4873 mst_state = drm_atomic_get_mst_topology_state(state, mgr); 4874 4875 if (IS_ERR(mst_state)) 4876 return -EINVAL; 4877 4878 list_for_each_entry(pos, &mst_state->vcpis, next) { 4879 4880 connector = pos->port->connector; 4881 4882 if (!connector) 4883 return -EINVAL; 4884 4885 conn_state = drm_atomic_get_connector_state(state, connector); 4886 4887 if (IS_ERR(conn_state)) 4888 return PTR_ERR(conn_state); 4889 4890 crtc = conn_state->crtc; 4891 4892 if (WARN_ON(!crtc)) 4893 return -EINVAL; 4894 4895 if (!drm_dp_mst_dsc_aux_for_port(pos->port)) 4896 continue; 4897 4898 crtc_state = drm_atomic_get_crtc_state(mst_state->base.state, crtc); 4899 4900 if (IS_ERR(crtc_state)) 4901 return PTR_ERR(crtc_state); 4902 4903 DRM_DEBUG_ATOMIC("[MST MGR:%p] Setting mode_changed flag on CRTC %p\n", 4904 mgr, crtc); 4905 4906 crtc_state->mode_changed = true; 4907 } 4908 return 0; 4909 } 4910 EXPORT_SYMBOL(drm_dp_mst_add_affected_dsc_crtcs); 4911

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