[radeon-alex:amd-staging-drm-next 329/336] htmldocs: drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1502: warning: Function parameter or member 'params' not described in 'amdgpu_vm_update_huge'

kbuild test robot lkp at intel.com
Fri Sep 14 04:31:57 UTC 2018


tree:   git://people.freedesktop.org/~agd5f/linux.git amd-staging-drm-next
head:   bc29281af131ae8c02e05322e7fc72829ec555f0
commit: df744ae533131fcb53c15eac7bb3933925eb22b3 [329/336] drm/amdgpu: meld together VM fragment and huge page handling
reproduce: make htmldocs

All warnings (new ones prefixed by >>):

   include/net/mac80211.h:977: warning: Function parameter or member 'rate_driver_data' not described in 'ieee80211_tx_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'rx_stats_avg' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'rx_stats_avg.signal' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'rx_stats_avg.chain_signal' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.filtered' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.retry_failed' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.retry_count' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.lost_packets' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.last_tdls_pkt_time' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.msdu_retries' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.msdu_failed' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.last_ack' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.last_ack_signal' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.ack_signal_filled' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.avg_ack_signal' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'tx_stats.packets' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'tx_stats.bytes' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'tx_stats.last_rate' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'tx_stats.msdu' not described in 'sta_info'
   include/linux/mod_devicetable.h:763: warning: Function parameter or member 'driver_data' not described in 'typec_device_id'
   kernel/sched/fair.c:3371: warning: Function parameter or member 'flags' not described in 'attach_entity_load_avg'
   arch/x86/include/asm/atomic.h:84: warning: Excess function parameter 'i' description in 'arch_atomic_sub_and_test'
   arch/x86/include/asm/atomic.h:84: warning: Excess function parameter 'v' description in 'arch_atomic_sub_and_test'
   arch/x86/include/asm/atomic.h:96: warning: Excess function parameter 'v' description in 'arch_atomic_inc'
   arch/x86/include/asm/atomic.h:109: warning: Excess function parameter 'v' description in 'arch_atomic_dec'
   arch/x86/include/asm/atomic.h:124: warning: Excess function parameter 'v' description in 'arch_atomic_dec_and_test'
   arch/x86/include/asm/atomic.h:138: warning: Excess function parameter 'v' description in 'arch_atomic_inc_and_test'
   arch/x86/include/asm/atomic.h:153: warning: Excess function parameter 'i' description in 'arch_atomic_add_negative'
   arch/x86/include/asm/atomic.h:153: warning: Excess function parameter 'v' description in 'arch_atomic_add_negative'
   include/linux/dma-buf.h:304: warning: Function parameter or member 'cb_excl.cb' not described in 'dma_buf'
   include/linux/dma-buf.h:304: warning: Function parameter or member 'cb_excl.poll' not described in 'dma_buf'
   include/linux/dma-buf.h:304: warning: Function parameter or member 'cb_excl.active' not described in 'dma_buf'
   include/linux/dma-buf.h:304: warning: Function parameter or member 'cb_shared.cb' not described in 'dma_buf'
   include/linux/dma-buf.h:304: warning: Function parameter or member 'cb_shared.poll' not described in 'dma_buf'
   include/linux/dma-buf.h:304: warning: Function parameter or member 'cb_shared.active' not described in 'dma_buf'
   include/linux/dma-fence-array.h:54: warning: Function parameter or member 'work' not described in 'dma_fence_array'
   include/linux/gpio/driver.h:142: warning: Function parameter or member 'request_key' not described in 'gpio_irq_chip'
   include/linux/iio/hw-consumer.h:1: warning: no structured comments found
   include/linux/input/sparse-keymap.h:46: warning: Function parameter or member 'sw' not described in 'key_entry'
   drivers/pci/pci.c:218: warning: Excess function parameter 'p' description in 'pci_dev_str_match_path'
   include/linux/regulator/driver.h:227: warning: Function parameter or member 'resume' not described in 'regulator_ops'
   drivers/regulator/core.c:4479: warning: Excess function parameter 'state' description in 'regulator_suspend'
   arch/s390/include/asm/cio.h:245: warning: Function parameter or member 'esw.esw0' not described in 'irb'
   arch/s390/include/asm/cio.h:245: warning: Function parameter or member 'esw.esw1' not described in 'irb'
   arch/s390/include/asm/cio.h:245: warning: Function parameter or member 'esw.esw2' not described in 'irb'
   arch/s390/include/asm/cio.h:245: warning: Function parameter or member 'esw.esw3' not described in 'irb'
   arch/s390/include/asm/cio.h:245: warning: Function parameter or member 'esw.eadm' not described in 'irb'
   drivers/slimbus/stream.c:1: warning: no structured comments found
   drivers/target/target_core_device.c:1: warning: no structured comments found
   drivers/usb/dwc3/gadget.c:510: warning: Excess function parameter 'dwc' description in 'dwc3_gadget_start_config'
   drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode'
   drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode'
   drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode'
   drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode'
   drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode'
   drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode'
   drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode'
   drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode'
   drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode'
   drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode'
   drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode'
   drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode'
   drivers/usb/typec/bus.c:1: warning: no structured comments found
   drivers/usb/typec/bus.c:268: warning: Function parameter or member 'mode' not described in 'typec_match_altmode'
   drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode'
   drivers/usb/typec/class.c:1: warning: no structured comments found
   include/linux/w1.h:281: warning: Function parameter or member 'of_match_table' not described in 'w1_family'
   fs/direct-io.c:257: warning: Excess function parameter 'offset' description in 'dio_complete'
   fs/file_table.c:1: warning: no structured comments found
   fs/libfs.c:477: warning: Excess function parameter 'available' description in 'simple_write_end'
   fs/posix_acl.c:646: warning: Function parameter or member 'inode' not described in 'posix_acl_update_mode'
   fs/posix_acl.c:646: warning: Function parameter or member 'mode_p' not described in 'posix_acl_update_mode'
   fs/posix_acl.c:646: warning: Function parameter or member 'acl' not described in 'posix_acl_update_mode'
   drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:183: warning: Function parameter or member 'blockable' not described in 'amdgpu_mn_read_lock'
   drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:254: warning: Function parameter or member 'blockable' not described in 'amdgpu_mn_invalidate_range_start_gfx'
   drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:302: warning: Function parameter or member 'blockable' not described in 'amdgpu_mn_invalidate_range_start_hsa'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:361: warning: cannot understand function prototype: 'struct amdgpu_vm_pt_cursor '
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:951: warning: Excess function parameter 'parent' description in 'amdgpu_vm_free_pts'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:951: warning: Excess function parameter 'level' description in 'amdgpu_vm_free_pts'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:362: warning: cannot understand function prototype: 'struct amdgpu_vm_pt_cursor '
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:533: warning: Function parameter or member 'adev' not described in 'for_each_amdgpu_vm_pt_leaf'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:533: warning: Function parameter or member 'vm' not described in 'for_each_amdgpu_vm_pt_leaf'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:533: warning: Function parameter or member 'start' not described in 'for_each_amdgpu_vm_pt_leaf'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:533: warning: Function parameter or member 'end' not described in 'for_each_amdgpu_vm_pt_leaf'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:533: warning: Function parameter or member 'cursor' not described in 'for_each_amdgpu_vm_pt_leaf'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:581: warning: Function parameter or member 'adev' not described in 'for_each_amdgpu_vm_pt_dfs_safe'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:581: warning: Function parameter or member 'vm' not described in 'for_each_amdgpu_vm_pt_dfs_safe'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:581: warning: Function parameter or member 'cursor' not described in 'for_each_amdgpu_vm_pt_dfs_safe'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:581: warning: Function parameter or member 'entry' not described in 'for_each_amdgpu_vm_pt_dfs_safe'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:827: warning: Function parameter or member 'level' not described in 'amdgpu_vm_bo_param'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:952: warning: Function parameter or member 'vm' not described in 'amdgpu_vm_free_pts'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:952: warning: Excess function parameter 'parent' description in 'amdgpu_vm_free_pts'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:952: warning: Excess function parameter 'level' description in 'amdgpu_vm_free_pts'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1335: warning: Function parameter or member 'params' not described in 'amdgpu_vm_update_func'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1335: warning: Function parameter or member 'bo' not described in 'amdgpu_vm_update_func'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1335: warning: Function parameter or member 'pe' not described in 'amdgpu_vm_update_func'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1335: warning: Function parameter or member 'addr' not described in 'amdgpu_vm_update_func'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1335: warning: Function parameter or member 'count' not described in 'amdgpu_vm_update_func'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1335: warning: Function parameter or member 'incr' not described in 'amdgpu_vm_update_func'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1335: warning: Function parameter or member 'flags' not described in 'amdgpu_vm_update_func'
>> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1502: warning: Function parameter or member 'params' not described in 'amdgpu_vm_update_huge'
>> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1502: warning: Function parameter or member 'bo' not described in 'amdgpu_vm_update_huge'
>> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1502: warning: Function parameter or member 'level' not described in 'amdgpu_vm_update_huge'
>> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1502: warning: Function parameter or member 'pe' not described in 'amdgpu_vm_update_huge'
>> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1502: warning: Function parameter or member 'addr' not described in 'amdgpu_vm_update_huge'
>> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1502: warning: Function parameter or member 'count' not described in 'amdgpu_vm_update_huge'
>> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1502: warning: Function parameter or member 'incr' not described in 'amdgpu_vm_update_huge'
>> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1502: warning: Function parameter or member 'flags' not described in 'amdgpu_vm_update_huge'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:3057: warning: Function parameter or member 'pasid' not described in 'amdgpu_vm_make_compute'
   include/drm/drm_drv.h:610: warning: Function parameter or member 'gem_prime_pin' not described in 'drm_driver'
   include/drm/drm_drv.h:610: warning: Function parameter or member 'gem_prime_unpin' not described in 'drm_driver'
   include/drm/drm_drv.h:610: warning: Function parameter or member 'gem_prime_res_obj' not described in 'drm_driver'
   include/drm/drm_drv.h:610: warning: Function parameter or member 'gem_prime_get_sg_table' not described in 'drm_driver'
   include/drm/drm_drv.h:610: warning: Function parameter or member 'gem_prime_import_sg_table' not described in 'drm_driver'
   include/drm/drm_drv.h:610: warning: Function parameter or member 'gem_prime_vmap' not described in 'drm_driver'
   include/drm/drm_drv.h:610: warning: Function parameter or member 'gem_prime_vunmap' not described in 'drm_driver'
   include/drm/drm_drv.h:610: warning: Function parameter or member 'gem_prime_mmap' not described in 'drm_driver'
   include/drm/drm_panel.h:98: warning: Function parameter or member 'link' not described in 'drm_panel'
   drivers/gpu/drm/i915/i915_vma.h:49: warning: cannot understand function prototype: 'struct i915_vma '
   drivers/gpu/drm/i915/i915_vma.h:1: warning: no structured comments found
   drivers/gpu/drm/i915/intel_guc_fwif.h:553: warning: cannot understand function prototype: 'struct guc_log_buffer_state '
   drivers/gpu/drm/i915/i915_trace.h:1: warning: no structured comments found
   include/linux/skbuff.h:860: warning: Function parameter or member 'dev_scratch' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 'list' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 'ip_defrag_offset' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 'skb_mstamp' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member '__cloned_offset' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 'head_frag' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member '__pkt_type_offset' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 'encapsulation' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 'encap_hdr_csum' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 'csum_valid' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 'csum_complete_sw' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 'csum_level' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 'inner_protocol_type' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 'remcsum_offload' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 'offload_fwd_mark' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 'offload_mr_fwd_mark' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 'sender_cpu' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 'reserved_tailroom' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 'inner_ipproto' not described in 'sk_buff'
   include/net/sock.h:238: warning: Function parameter or member 'skc_addrpair' not described in 'sock_common'
   include/net/sock.h:238: warning: Function parameter or member 'skc_portpair' not described in 'sock_common'
   include/net/sock.h:238: warning: Function parameter or member 'skc_ipv6only' not described in 'sock_common'
   include/net/sock.h:238: warning: Function parameter or member 'skc_net_refcnt' not described in 'sock_common'
   include/net/sock.h:238: warning: Function parameter or member 'skc_v6_daddr' not described in 'sock_common'
   include/net/sock.h:238: warning: Function parameter or member 'skc_v6_rcv_saddr' not described in 'sock_common'
   include/net/sock.h:238: warning: Function parameter or member 'skc_cookie' not described in 'sock_common'
   include/net/sock.h:238: warning: Function parameter or member 'skc_listener' not described in 'sock_common'
   include/net/sock.h:238: warning: Function parameter or member 'skc_tw_dr' not described in 'sock_common'
   include/net/sock.h:238: warning: Function parameter or member 'skc_rcv_wnd' not described in 'sock_common'
   include/net/sock.h:238: warning: Function parameter or member 'skc_tw_rcv_nxt' not described in 'sock_common'
   include/net/sock.h:509: warning: Function parameter or member 'sk_backlog.rmem_alloc' not described in 'sock'
   include/net/sock.h:509: warning: Function parameter or member 'sk_backlog.len' not described in 'sock'
   include/net/sock.h:509: warning: Function parameter or member 'sk_backlog.head' not described in 'sock'
   include/net/sock.h:509: warning: Function parameter or member 'sk_backlog.tail' not described in 'sock'
   include/net/sock.h:509: warning: Function parameter or member 'sk_wq_raw' not described in 'sock'
   include/net/sock.h:509: warning: Function parameter or member 'tcp_rtx_queue' not described in 'sock'
   include/net/sock.h:509: warning: Function parameter or member 'sk_route_forced_caps' not described in 'sock'
   include/net/sock.h:509: warning: Function parameter or member 'sk_txtime_report_errors' not described in 'sock'
   include/net/sock.h:509: warning: Function parameter or member 'sk_validate_xmit_skb' not described in 'sock'
   include/linux/netdevice.h:2018: warning: Function parameter or member 'adj_list.upper' not described in 'net_device'
   include/linux/netdevice.h:2018: warning: Function parameter or member 'adj_list.lower' not described in 'net_device'
   include/linux/netdevice.h:2018: warning: Function parameter or member 'gso_partial_features' not described in 'net_device'
   include/linux/netdevice.h:2018: warning: Function parameter or member 'switchdev_ops' not described in 'net_device'
   include/linux/netdevice.h:2018: warning: Function parameter or member 'l3mdev_ops' not described in 'net_device'
   include/linux/netdevice.h:2018: warning: Function parameter or member 'xfrmdev_ops' not described in 'net_device'
   include/linux/netdevice.h:2018: warning: Function parameter or member 'tlsdev_ops' not described in 'net_device'
   include/linux/netdevice.h:2018: warning: Function parameter or member 'name_assign_type' not described in 'net_device'
   include/linux/netdevice.h:2018: warning: Function parameter or member 'ieee802154_ptr' not described in 'net_device'
   include/linux/netdevice.h:2018: warning: Function parameter or member 'mpls_ptr' not described in 'net_device'
   include/linux/netdevice.h:2018: warning: Function parameter or member 'xdp_prog' not described in 'net_device'
   include/linux/netdevice.h:2018: warning: Function parameter or member 'gro_flush_timeout' not described in 'net_device'
   include/linux/netdevice.h:2018: warning: Function parameter or member 'nf_hooks_ingress' not described in 'net_device'
   include/linux/netdevice.h:2018: warning: Function parameter or member '____cacheline_aligned_in_smp' not described in 'net_device'
   include/linux/netdevice.h:2018: warning: Function parameter or member 'qdisc_hash' not described in 'net_device'
   include/linux/netdevice.h:2018: warning: Function parameter or member 'xps_cpus_map' not described in 'net_device'
   include/linux/netdevice.h:2018: 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'
   sound/soc/soc-core.c:2918: warning: Excess function parameter 'legacy_dai_naming' description in 'snd_soc_register_dais'
   Documentation/admin-guide/cgroup-v2.rst:1485: WARNING: Block quote ends without a blank line; unexpected unindent.
   Documentation/admin-guide/cgroup-v2.rst:1487: WARNING: Block quote ends without a blank line; unexpected unindent.
   Documentation/admin-guide/cgroup-v2.rst:1488: WARNING: Block quote ends without a blank line; unexpected unindent.
   Documentation/core-api/boot-time-mm.rst:78: ERROR: Error in "kernel-doc" directive:
   unknown option: "nodocs".

vim +1502 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c

  1323	
  1324	/**
  1325	 * amdgpu_vm_update_func - helper to call update function
  1326	 *
  1327	 * Calls the update function for both the given BO as well as its shadow.
  1328	 */
  1329	static void amdgpu_vm_update_func(struct amdgpu_pte_update_params *params,
  1330					  struct amdgpu_bo *bo,
  1331					  uint64_t pe, uint64_t addr,
  1332					  unsigned count, uint32_t incr,
  1333					  uint64_t flags)
  1334	{
> 1335		if (bo->shadow)
  1336			params->func(params, bo->shadow, pe, addr, count, incr, flags);
  1337		params->func(params, bo, pe, addr, count, incr, flags);
  1338	}
  1339	
  1340	/*
  1341	 * amdgpu_vm_update_pde - update a single level in the hierarchy
  1342	 *
  1343	 * @param: parameters for the update
  1344	 * @vm: requested vm
  1345	 * @parent: parent directory
  1346	 * @entry: entry to update
  1347	 *
  1348	 * Makes sure the requested entry in parent is up to date.
  1349	 */
  1350	static void amdgpu_vm_update_pde(struct amdgpu_pte_update_params *params,
  1351					 struct amdgpu_vm *vm,
  1352					 struct amdgpu_vm_pt *parent,
  1353					 struct amdgpu_vm_pt *entry)
  1354	{
  1355		struct amdgpu_bo *bo = parent->base.bo, *pbo;
  1356		uint64_t pde, pt, flags;
  1357		unsigned level;
  1358	
  1359		/* Don't update huge pages here */
  1360		if (entry->huge)
  1361			return;
  1362	
  1363		for (level = 0, pbo = bo->parent; pbo; ++level)
  1364			pbo = pbo->parent;
  1365	
  1366		level += params->adev->vm_manager.root_level;
  1367		amdgpu_gmc_get_pde_for_bo(entry->base.bo, level, &pt, &flags);
  1368		pde = (entry - parent->entries) * 8;
  1369		amdgpu_vm_update_func(params, bo, pde, pt, 1, 0, flags);
  1370	}
  1371	
  1372	/*
  1373	 * amdgpu_vm_invalidate_pds - mark all PDs as invalid
  1374	 *
  1375	 * @adev: amdgpu_device pointer
  1376	 * @vm: related vm
  1377	 *
  1378	 * Mark all PD level as invalid after an error.
  1379	 */
  1380	static void amdgpu_vm_invalidate_pds(struct amdgpu_device *adev,
  1381					     struct amdgpu_vm *vm)
  1382	{
  1383		struct amdgpu_vm_pt_cursor cursor;
  1384		struct amdgpu_vm_pt *entry;
  1385	
  1386		for_each_amdgpu_vm_pt_dfs_safe(adev, vm, cursor, entry)
  1387			if (entry->base.bo && !entry->base.moved)
  1388				amdgpu_vm_bo_relocated(&entry->base);
  1389	}
  1390	
  1391	/*
  1392	 * amdgpu_vm_update_directories - make sure that all directories are valid
  1393	 *
  1394	 * @adev: amdgpu_device pointer
  1395	 * @vm: requested vm
  1396	 *
  1397	 * Makes sure all directories are up to date.
  1398	 *
  1399	 * Returns:
  1400	 * 0 for success, error for failure.
  1401	 */
  1402	int amdgpu_vm_update_directories(struct amdgpu_device *adev,
  1403					 struct amdgpu_vm *vm)
  1404	{
  1405		struct amdgpu_pte_update_params params;
  1406		struct amdgpu_job *job;
  1407		unsigned ndw = 0;
  1408		int r = 0;
  1409	
  1410		if (list_empty(&vm->relocated))
  1411			return 0;
  1412	
  1413	restart:
  1414		memset(&params, 0, sizeof(params));
  1415		params.adev = adev;
  1416	
  1417		if (vm->use_cpu_for_update) {
  1418			r = amdgpu_vm_wait_pd(adev, vm, AMDGPU_FENCE_OWNER_VM);
  1419			if (unlikely(r))
  1420				return r;
  1421	
  1422			params.func = amdgpu_vm_cpu_set_ptes;
  1423		} else {
  1424			ndw = 512 * 8;
  1425			r = amdgpu_job_alloc_with_ib(adev, ndw * 4, &job);
  1426			if (r)
  1427				return r;
  1428	
  1429			params.ib = &job->ibs[0];
  1430			params.func = amdgpu_vm_do_set_ptes;
  1431		}
  1432	
  1433		while (!list_empty(&vm->relocated)) {
  1434			struct amdgpu_vm_pt *pt, *entry;
  1435	
  1436			entry = list_first_entry(&vm->relocated, struct amdgpu_vm_pt,
  1437						 base.vm_status);
  1438			amdgpu_vm_bo_idle(&entry->base);
  1439	
  1440			pt = amdgpu_vm_pt_parent(entry);
  1441			if (!pt)
  1442				continue;
  1443	
  1444			amdgpu_vm_update_pde(&params, vm, pt, entry);
  1445	
  1446			if (!vm->use_cpu_for_update &&
  1447			    (ndw - params.ib->length_dw) < 32)
  1448				break;
  1449		}
  1450	
  1451		if (vm->use_cpu_for_update) {
  1452			/* Flush HDP */
  1453			mb();
  1454			amdgpu_asic_flush_hdp(adev, NULL);
  1455		} else if (params.ib->length_dw == 0) {
  1456			amdgpu_job_free(job);
  1457		} else {
  1458			struct amdgpu_bo *root = vm->root.base.bo;
  1459			struct amdgpu_ring *ring;
  1460			struct dma_fence *fence;
  1461	
  1462			ring = container_of(vm->entity.rq->sched, struct amdgpu_ring,
  1463					    sched);
  1464	
  1465			amdgpu_ring_pad_ib(ring, params.ib);
  1466			amdgpu_sync_resv(adev, &job->sync, root->tbo.resv,
  1467					 AMDGPU_FENCE_OWNER_VM, false);
  1468			WARN_ON(params.ib->length_dw > ndw);
  1469			r = amdgpu_job_submit(job, &vm->entity, AMDGPU_FENCE_OWNER_VM,
  1470					      &fence);
  1471			if (r)
  1472				goto error;
  1473	
  1474			amdgpu_bo_fence(root, fence, true);
  1475			dma_fence_put(vm->last_update);
  1476			vm->last_update = fence;
  1477		}
  1478	
  1479		if (!list_empty(&vm->relocated))
  1480			goto restart;
  1481	
  1482		return 0;
  1483	
  1484	error:
  1485		amdgpu_vm_invalidate_pds(adev, vm);
  1486		amdgpu_job_free(job);
  1487		return r;
  1488	}
  1489	
  1490	/**
  1491	 * amdgpu_vm_update_huge - figure out parameters for PTE updates
  1492	 *
  1493	 * Make sure to set the right flags for the PTEs at the desired level.
  1494	 */
  1495	static void amdgpu_vm_update_huge(struct amdgpu_pte_update_params *params,
  1496					  struct amdgpu_bo *bo, unsigned level,
  1497					  uint64_t pe, uint64_t addr,
  1498					  unsigned count, uint32_t incr,
  1499					  uint64_t flags)
  1500	
  1501	{
> 1502		if (level != AMDGPU_VM_PTB) {
  1503			flags |= AMDGPU_PDE_PTE;
  1504			amdgpu_gmc_get_vm_pde(params->adev, level, &addr, &flags);
  1505		}
  1506	
  1507		amdgpu_vm_update_func(params, bo, pe, addr, count, incr, flags);
  1508	}
  1509	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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