[PATCH 2/6] drm: Add drm_simple_encoder_{init,create}()

kbuild test robot lkp at intel.com
Mon Feb 10 10:28:34 UTC 2020


Hi Thomas,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v5.6-rc1 next-20200210]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Thomas-Zimmermann/drm-Provide-a-simple-encoder/20200210-153139
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git bb6d3fb354c5ee8d6bde2d576eb7220ea09862b9
reproduce: make htmldocs

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

All warnings (new ones prefixed by >>):

   include/linux/lsm_hooks.h:1830: warning: Function parameter or member 'getprocattr' not described in 'security_list_options'
   include/linux/lsm_hooks.h:1830: warning: Function parameter or member 'setprocattr' not described in 'security_list_options'
   include/linux/lsm_hooks.h:1830: warning: Function parameter or member 'locked_down' not described in 'security_list_options'
   include/linux/lsm_hooks.h:1830: warning: Function parameter or member 'perf_event_open' not described in 'security_list_options'
   include/linux/lsm_hooks.h:1830: warning: Function parameter or member 'perf_event_alloc' not described in 'security_list_options'
   include/linux/lsm_hooks.h:1830: warning: Function parameter or member 'perf_event_free' not described in 'security_list_options'
   include/linux/lsm_hooks.h:1830: warning: Function parameter or member 'perf_event_read' not described in 'security_list_options'
   include/linux/lsm_hooks.h:1830: warning: Function parameter or member 'perf_event_write' not described in 'security_list_options'
   drivers/usb/typec/bus.c:1: warning: 'typec_altmode_register_driver' not found
   drivers/usb/typec/bus.c:1: warning: 'typec_altmode_unregister_driver' not found
   drivers/usb/typec/class.c:1: warning: 'typec_altmode_unregister_notifier' not found
   drivers/usb/typec/class.c:1: warning: 'typec_altmode_register_notifier' not found
   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:890: warning: Function parameter or member 'dev_scratch' not described in 'sk_buff'
   include/linux/skbuff.h:890: warning: Function parameter or member 'list' not described in 'sk_buff'
   include/linux/skbuff.h:890: warning: Function parameter or member 'ip_defrag_offset' not described in 'sk_buff'
   include/linux/skbuff.h:890: warning: Function parameter or member 'skb_mstamp_ns' not described in 'sk_buff'
   include/linux/skbuff.h:890: warning: Function parameter or member '__cloned_offset' not described in 'sk_buff'
   include/linux/skbuff.h:890: warning: Function parameter or member 'head_frag' not described in 'sk_buff'
   include/linux/skbuff.h:890: warning: Function parameter or member '__pkt_type_offset' not described in 'sk_buff'
   include/linux/skbuff.h:890: warning: Function parameter or member 'encapsulation' not described in 'sk_buff'
   include/linux/skbuff.h:890: warning: Function parameter or member 'encap_hdr_csum' not described in 'sk_buff'
   include/linux/skbuff.h:890: warning: Function parameter or member 'csum_valid' not described in 'sk_buff'
   include/linux/skbuff.h:890: warning: Function parameter or member '__pkt_vlan_present_offset' not described in 'sk_buff'
   include/linux/skbuff.h:890: warning: Function parameter or member 'vlan_present' not described in 'sk_buff'
   include/linux/skbuff.h:890: warning: Function parameter or member 'csum_complete_sw' not described in 'sk_buff'
   include/linux/skbuff.h:890: warning: Function parameter or member 'csum_level' not described in 'sk_buff'
   include/linux/skbuff.h:890: warning: Function parameter or member 'inner_protocol_type' not described in 'sk_buff'
   include/linux/skbuff.h:890: warning: Function parameter or member 'remcsum_offload' not described in 'sk_buff'
   include/linux/skbuff.h:890: warning: Function parameter or member 'sender_cpu' not described in 'sk_buff'
   include/linux/skbuff.h:890: warning: Function parameter or member 'reserved_tailroom' not described in 'sk_buff'
   include/linux/skbuff.h:890: 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:498: warning: Function parameter or member 'sk_rx_skb_cache' not described in 'sock'
   include/net/sock.h:498: warning: Function parameter or member 'sk_wq_raw' not described in 'sock'
   include/net/sock.h:498: warning: Function parameter or member 'tcp_rtx_queue' not described in 'sock'
   include/net/sock.h:498: warning: Function parameter or member 'sk_tx_skb_cache' not described in 'sock'
   include/net/sock.h:498: warning: Function parameter or member 'sk_route_forced_caps' not described in 'sock'
   include/net/sock.h:498: warning: Function parameter or member 'sk_txtime_report_errors' not described in 'sock'
   include/net/sock.h:498: warning: Function parameter or member 'sk_validate_xmit_skb' not described in 'sock'
   include/net/sock.h:498: warning: Function parameter or member 'sk_bpf_storage' not described in 'sock'
   include/net/sock.h:2444: warning: Function parameter or member 'tcp_rx_skb_cache_key' not described in 'DECLARE_STATIC_KEY_FALSE'
   include/net/sock.h:2444: warning: Excess function parameter 'sk' description in 'DECLARE_STATIC_KEY_FALSE'
   include/net/sock.h:2444: warning: Excess function parameter 'skb' description in 'DECLARE_STATIC_KEY_FALSE'
   include/linux/netdevice.h:2100: warning: Function parameter or member 'gso_partial_features' not described in 'net_device'
   include/linux/netdevice.h:2100: warning: Function parameter or member 'l3mdev_ops' not described in 'net_device'
   include/linux/netdevice.h:2100: warning: Function parameter or member 'xfrmdev_ops' not described in 'net_device'
   include/linux/netdevice.h:2100: warning: Function parameter or member 'tlsdev_ops' not described in 'net_device'
   include/linux/netdevice.h:2100: warning: Function parameter or member 'name_assign_type' not described in 'net_device'
   include/linux/netdevice.h:2100: warning: Function parameter or member 'ieee802154_ptr' not described in 'net_device'
   include/linux/netdevice.h:2100: warning: Function parameter or member 'mpls_ptr' not described in 'net_device'
   include/linux/netdevice.h:2100: warning: Function parameter or member 'xdp_prog' not described in 'net_device'
   include/linux/netdevice.h:2100: warning: Function parameter or member 'gro_flush_timeout' not described in 'net_device'
   include/linux/netdevice.h:2100: warning: Function parameter or member 'xdp_bulkq' not described in 'net_device'
   include/linux/netdevice.h:2100: warning: Function parameter or member 'xps_cpus_map' not described in 'net_device'
   include/linux/netdevice.h:2100: warning: Function parameter or member 'xps_rxqs_map' not described in 'net_device'
   include/linux/netdevice.h:2100: warning: Function parameter or member 'qdisc_hash' 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:161: warning: Function parameter or member 'ops' not described in 'ib_umem_odp_alloc_child'
   drivers/infiniband/core/umem_odp.c:211: 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'
   drivers/gpu/drm/drm_encoder.c:202: warning: Excess function parameter 'funcs' description in 'drm_simple_encoder_init'
>> drivers/gpu/drm/drm_encoder.c:203: warning: Function parameter or member 'encoder' not described in 'drm_simple_encoder_init'
   drivers/gpu/drm/drm_encoder.c:203: warning: Excess function parameter 'funcs' description in 'drm_simple_encoder_init'
   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'
   include/drm/drm_dp_mst_helper.h:162: warning: Function parameter or member 'fec_capable' not described in 'drm_dp_mst_port'
   include/drm/gpu_scheduler.h:103: warning: Function parameter or member 'priority' not described in 'drm_sched_entity'
   drivers/gpu/drm/i915/i915_vma.h:1: warning: 'Virtual Memory Address' not found
   drivers/gpu/drm/i915/i915_gem_gtt.c:1: warning: 'Global GTT views' not found
   include/linux/host1x.h:66: warning: Function parameter or member 'parent' not described in 'host1x_client'
   include/linux/host1x.h:66: warning: Function parameter or member 'usecount' not described in 'host1x_client'
   include/linux/host1x.h:66: warning: Function parameter or member 'lock' not described in 'host1x_client'
   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'
   kernel/sched/fair.c:3526: warning: Excess function parameter 'flags' description in 'attach_entity_load_avg'
   Documentation/admin-guide/acpi/fan_performance_states.rst:21: WARNING: Literal block ends without a blank line; unexpected unindent.
   Documentation/admin-guide/acpi/fan_performance_states.rst:41: WARNING: Literal block expected; none found.
   Documentation/admin-guide/perf/imx-ddr.rst:47: WARNING: Unexpected indentation.
   Documentation/x86/index.rst:7: WARNING: toctree contains reference to nonexisting document 'x86/intel_mpx'
   Documentation/admin-guide/bootconfig.rst:26: WARNING: Literal block expected; none found.
   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
   drivers/message/fusion/mptbase.c:5057: WARNING: Definition list ends without a blank line; unexpected unindent.
   include/uapi/linux/firewire-cdev.h:312: WARNING: Inline literal start-string without end-string.
   drivers/firewire/core-transaction.c:606: WARNING: Inline strong start-string without end-string.
   Documentation/driver-api/gpio/driver.rst:425: WARNING: Unexpected indentation.
   Documentation/driver-api/gpio/driver.rst:423: WARNING: Inline emphasis start-string without end-string.
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   Documentation/driver-api/gpio/driver.rst:433: WARNING: Inline emphasis start-string without end-string.
   Documentation/driver-api/gpio/driver.rst:446: WARNING: Unexpected indentation.
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   Documentation/driver-api/gpio/driver.rst:440: WARNING: Inline emphasis start-string without end-string.
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   Documentation/driver-api/gpio/driver.rst:449: WARNING: Definition list ends without a blank line; unexpected unindent.
   Documentation/driver-api/gpio/driver.rst:462: WARNING: Unexpected indentation.
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   Documentation/driver-api/gpio/driver.rst:462: WARNING: Inline emphasis start-string without end-string.
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   Documentation/driver-api/gpio/driver.rst:478: WARNING: Inline emphasis start-string without end-string.
   include/linux/spi/spi.h:399: WARNING: Unexpected indentation.
   Documentation/power/index.rst:7: WARNING: toctree contains reference to nonexisting document 'power/interface'
   Documentation/power/pm_qos_interface.rst:12: WARNING: Unexpected indentation.
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   include/linux/devfreq.h:156: WARNING: Inline emphasis start-string without end-string.
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   include/linux/devfreq.h:281: WARNING: Inline emphasis start-string without end-string.
   Documentation/driver-api/dmaengine/client.rst:203: WARNING: Unexpected indentation.
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vim +203 drivers/gpu/drm/drm_encoder.c

   184	
   185	/**
   186	 * drm_simple_encoder_init - Init a preallocated encoder
   187	 * @dev: drm device
   188	 * @funcs: callbacks for this encoder
   189	 * @encoder_type: user visible type of the encoder
   190	 * @name: printf style format string for the encoder name, or NULL
   191	 *        for default name
   192	 *
   193	 * Initialises a preallocated encoder that has no further functionality. The
   194	 * encoder will be released automatically.
   195	 *
   196	 * Returns:
   197	 * Zero on success, error code on failure.
   198	 */
   199	int drm_simple_encoder_init(struct drm_device *dev,
   200				    struct drm_encoder *encoder,
   201				    int encoder_type, const char *name, ...)
   202	{
 > 203		char *namestr = NULL;
   204		int ret;
   205	
   206		if (name) {
   207			va_list ap;
   208	
   209			va_start(ap, name);
   210			namestr = kvasprintf(GFP_KERNEL, name, ap);
   211			va_end(ap);
   212			if (!namestr)
   213				return -ENOMEM;
   214		}
   215	
   216		ret = __drm_encoder_init(dev, encoder,
   217					 &drm_simple_encoder_funcs_cleanup,
   218					 encoder_type, namestr);
   219		if (ret)
   220			goto err_kfree;
   221	
   222		return 0;
   223	
   224	err_kfree:
   225		if (name)
   226			kfree(namestr);
   227		return ret;
   228	}
   229	EXPORT_SYMBOL(drm_simple_encoder_init);
   230	

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0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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