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(¶ms, 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(¶ms, 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
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