[PATCH v8 11/17] drm/dp_mst: Add DSC enablement helpers to DRM
kbuild test robot
lkp at intel.com
Tue Dec 3 21:52:29 UTC 2019
Hi,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on next-20191203]
[cannot apply to drm-intel/for-linux-next linus/master v5.4-rc8 v5.4]
[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/mikita-lipski-amd-com/DSC-MST-support-for-DRM-and-AMDGPU/20191204-020604
base: 1ab75b2e415a29dba9aec94f203c6f88dbfc0ba0
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 >>):
drivers/usb/typec/class.c:1: warning: 'typec_altmode_register_notifier' not found
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'
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'
sound/soc/soc-core.c:2509: warning: Function parameter or member 'legacy_dai_naming' not described in 'snd_soc_register_dai'
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'
include/linux/netdevice.h:1779: warning: bad line: spinlock
include/linux/netdevice.h:2077: warning: Function parameter or member 'gso_partial_features' not described in 'net_device'
include/linux/netdevice.h:2077: warning: Function parameter or member 'l3mdev_ops' not described in 'net_device'
include/linux/netdevice.h:2077: warning: Function parameter or member 'xfrmdev_ops' not described in 'net_device'
include/linux/netdevice.h:2077: warning: Function parameter or member 'tlsdev_ops' not described in 'net_device'
include/linux/netdevice.h:2077: warning: Function parameter or member 'name_assign_type' not described in 'net_device'
include/linux/netdevice.h:2077: warning: Function parameter or member 'ieee802154_ptr' not described in 'net_device'
include/linux/netdevice.h:2077: warning: Function parameter or member 'mpls_ptr' not described in 'net_device'
include/linux/netdevice.h:2077: warning: Function parameter or member 'xdp_prog' not described in 'net_device'
include/linux/netdevice.h:2077: warning: Function parameter or member 'gro_flush_timeout' not described in 'net_device'
include/linux/netdevice.h:2077: warning: Function parameter or member 'nf_hooks_ingress' not described in 'net_device'
include/linux/netdevice.h:2077: warning: Function parameter or member 'qdisc_hash' not described in 'net_device'
include/linux/netdevice.h:2077: warning: Function parameter or member 'xps_cpus_map' not described in 'net_device'
include/linux/netdevice.h:2077: 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'
include/linux/i2c.h:337: warning: Function parameter or member 'init_irq' not described in 'i2c_client'
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/drm_dp_mst_topology.c:4763: warning: Excess function parameter 'pointer' description in 'drm_dp_mst_atomic_enable_dsc'
drivers/gpu/drm/drm_dp_mst_topology.c:4763: warning: Excess function parameter 'pointer' description in 'drm_dp_mst_atomic_enable_dsc'
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:4764: warning: Function parameter or member 'port' not described in 'drm_dp_mst_atomic_enable_dsc'
drivers/gpu/drm/drm_dp_mst_topology.c:4764: warning: Excess function parameter 'pointer' description in 'drm_dp_mst_atomic_enable_dsc'
drivers/gpu/drm/drm_dp_mst_topology.c:4763: warning: Excess function parameter 'pointer' description in 'drm_dp_mst_atomic_enable_dsc'
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:181: warning: Function parameter or member 'last_status' not described in 'devfreq'
drivers/devfreq/devfreq.c:1708: warning: bad line: - Resource-managed devfreq_register_notifier()
drivers/devfreq/devfreq.c:1744: 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/admin-guide/sysctl/kernel.rst:397: WARNING: Title underline too short.
vim +4764 drivers/gpu/drm/drm_dp_mst_topology.c
4744
4745 /**
4746 * drm_dp_mst_atomic_enable_dsc - Set DSC Enable Flag to On/Off
4747 * @state: Pointer to the new drm_atomic_state
4748 * @pointer: Pointer to the affected MST Port
4749 * @pbn: Newly recalculated bw required for link with DSC enabled
4750 * @pbn_div: Divider to calculate correct number of pbn per slot
4751 * @enable: Boolean flag enabling or disabling DSC on the port
4752 *
4753 * This function enables DSC on the given Port
4754 * by recalculating its vcpi from pbn provided
4755 * and sets dsc_enable flag to keep track of which
4756 * ports have DSC enabled
4757 *
4758 */
4759 int drm_dp_mst_atomic_enable_dsc(struct drm_atomic_state *state,
4760 struct drm_dp_mst_port *port,
4761 int pbn, int pbn_div,
4762 bool enable)
> 4763 {
> 4764 struct drm_dp_mst_topology_state *mst_state;
4765 struct drm_dp_vcpi_allocation *pos;
4766 bool found = false;
4767 int vcpi = 0;
4768
4769 mst_state = drm_atomic_get_mst_topology_state(state, port->mgr);
4770
4771 if (IS_ERR(mst_state))
4772 return PTR_ERR(mst_state);
4773
4774 list_for_each_entry(pos, &mst_state->vcpis, next) {
4775 if (pos->port == port) {
4776 found = true;
4777 break;
4778 }
4779 }
4780
4781 if (!found) {
4782 DRM_DEBUG_ATOMIC("[MST PORT:%p] Couldn't find VCPI allocation in mst state %p\n",
4783 port, mst_state);
4784 return -EINVAL;
4785 }
4786
4787 if (pos->dsc_enabled == enable) {
4788 DRM_DEBUG_ATOMIC("[MST PORT:%p] DSC flag is already set to %d, returning %d VCPI slots\n",
4789 port, enable, pos->vcpi);
4790 vcpi = pos->vcpi;
4791 }
4792
4793 if (enable) {
4794 vcpi = drm_dp_atomic_find_vcpi_slots(state, port->mgr, port, pbn, pbn_div);
4795 DRM_DEBUG_ATOMIC("[MST PORT:%p] Enabling DSC flag, reallocating %d VCPI slots on the port\n",
4796 port, vcpi);
4797 if (vcpi < 0)
4798 return -EINVAL;
4799 }
4800
4801 pos->dsc_enabled = enable;
4802
4803 return vcpi;
4804 }
4805 EXPORT_SYMBOL(drm_dp_mst_atomic_enable_dsc);
4806 /**
4807 * drm_dp_mst_atomic_check - Check that the new state of an MST topology in an
4808 * atomic update is valid
4809 * @state: Pointer to the new &struct drm_dp_mst_topology_state
4810 *
4811 * Checks the given topology state for an atomic update to ensure that it's
4812 * valid. This includes checking whether there's enough bandwidth to support
4813 * the new VCPI allocations in the atomic update.
4814 *
4815 * Any atomic drivers supporting DP MST must make sure to call this after
4816 * checking the rest of their state in their
4817 * &drm_mode_config_funcs.atomic_check() callback.
4818 *
4819 * See also:
4820 * drm_dp_atomic_find_vcpi_slots()
4821 * drm_dp_atomic_release_vcpi_slots()
4822 *
4823 * Returns:
4824 *
4825 * 0 if the new state is valid, negative error code otherwise.
4826 */
4827 int drm_dp_mst_atomic_check(struct drm_atomic_state *state)
4828 {
4829 struct drm_dp_mst_topology_mgr *mgr;
4830 struct drm_dp_mst_topology_state *mst_state;
4831 int i, ret = 0;
4832
4833 for_each_new_mst_mgr_in_state(state, mgr, mst_state, i) {
4834 ret = drm_dp_mst_atomic_check_topology_state(mgr, mst_state);
4835 if (ret)
4836 break;
4837 }
4838
4839 return ret;
4840 }
4841 EXPORT_SYMBOL(drm_dp_mst_atomic_check);
4842
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation
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