Hi Lionel, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on drm-intel/for-linux-next] [cannot apply to v5.3-rc6 next-20190827] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Lionel-Landwerlin/drm-i915-Vulkan-performance-query-support/20190829-020841 base: git://anongit.freedesktop.org/drm-intel for-linux-next reproduce: make htmldocs If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): fs/direct-io.c:258: warning: Excess function parameter 'offset' description in 'dio_complete' fs/libfs.c:496: warning: Excess function parameter 'available' description in 'simple_write_end' 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' mm/util.c:1: warning: 'get_user_pages_fast' not found mm/slab.c:4215: warning: Function parameter or member 'objp' not described in '__ksize' include/linux/skbuff.h:893: warning: Function parameter or member 'dev_scratch' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member 'list' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member 'ip_defrag_offset' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member 'skb_mstamp_ns' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member '__cloned_offset' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member 'head_frag' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member '__pkt_type_offset' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member 'encapsulation' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member 'encap_hdr_csum' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member 'csum_valid' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member '__pkt_vlan_present_offset' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member 'vlan_present' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member 'csum_complete_sw' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member 'csum_level' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member 'inner_protocol_type' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member 'remcsum_offload' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member 'sender_cpu' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member 'reserved_tailroom' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member 'inner_ipproto' not described in 'sk_buff' include/net/sock.h:233: warning: Function parameter or member 'skc_addrpair' not described in 'sock_common' include/net/sock.h:233: warning: Function parameter or member 'skc_portpair' not described in 'sock_common' include/net/sock.h:233: warning: Function parameter or member 'skc_ipv6only' not described in 'sock_common' include/net/sock.h:233: warning: Function parameter or member 'skc_net_refcnt' not described in 'sock_common' include/net/sock.h:233: warning: Function parameter or member 'skc_v6_daddr' not described in 'sock_common' include/net/sock.h:233: warning: Function parameter or member 'skc_v6_rcv_saddr' not described in 'sock_common' include/net/sock.h:233: warning: Function parameter or member 'skc_cookie' not described in 'sock_common' include/net/sock.h:233: warning: Function parameter or member 'skc_listener' not described in 'sock_common' include/net/sock.h:233: warning: Function parameter or member 'skc_tw_dr' not described in 'sock_common' include/net/sock.h:233: warning: Function parameter or member 'skc_rcv_wnd' not described in 'sock_common' include/net/sock.h:233: warning: Function parameter or member 'skc_tw_rcv_nxt' not described in 'sock_common' include/net/sock.h:515: warning: Function parameter or member 'sk_rx_skb_cache' not described in 'sock' include/net/sock.h:515: warning: Function parameter or member 'sk_wq_raw' not described in 'sock' include/net/sock.h:515: warning: Function parameter or member 'tcp_rtx_queue' not described in 'sock' include/net/sock.h:515: warning: Function parameter or member 'sk_tx_skb_cache' not described in 'sock' include/net/sock.h:515: warning: Function parameter or member 'sk_route_forced_caps' not described in 'sock' include/net/sock.h:515: warning: Function parameter or member 'sk_txtime_report_errors' not described in 'sock' include/net/sock.h:515: warning: Function parameter or member 'sk_validate_xmit_skb' not described in 'sock' include/net/sock.h:515: warning: Function parameter or member 'sk_bpf_storage' not described in 'sock' include/net/sock.h:2439: warning: Function parameter or member 'tcp_rx_skb_cache_key' not described in 'DECLARE_STATIC_KEY_FALSE' include/net/sock.h:2439: warning: Excess function parameter 'sk' description in 'DECLARE_STATIC_KEY_FALSE' include/net/sock.h:2439: warning: Excess function parameter 'skb' description in 'DECLARE_STATIC_KEY_FALSE' include/linux/netdevice.h:2040: warning: Function parameter or member 'gso_partial_features' not described in 'net_device' include/linux/netdevice.h:2040: warning: Function parameter or member 'l3mdev_ops' not described in 'net_device' include/linux/netdevice.h:2040: warning: Function parameter or member 'xfrmdev_ops' not described in 'net_device' include/linux/netdevice.h:2040: warning: Function parameter or member 'tlsdev_ops' not described in 'net_device' include/linux/netdevice.h:2040: warning: Function parameter or member 'name_assign_type' not described in 'net_device' include/linux/netdevice.h:2040: warning: Function parameter or member 'ieee802154_ptr' not described in 'net_device' include/linux/netdevice.h:2040: warning: Function parameter or member 'mpls_ptr' not described in 'net_device' include/linux/netdevice.h:2040: warning: Function parameter or member 'xdp_prog' not described in 'net_device' include/linux/netdevice.h:2040: warning: Function parameter or member 'gro_flush_timeout' not described in 'net_device' include/linux/netdevice.h:2040: warning: Function parameter or member 'nf_hooks_ingress' not described in 'net_device' include/linux/netdevice.h:2040: warning: Function parameter or member '____cacheline_aligned_in_smp' not described in 'net_device' include/linux/netdevice.h:2040: warning: Function parameter or member 'qdisc_hash' not described in 'net_device' include/linux/netdevice.h:2040: warning: Function parameter or member 'xps_cpus_map' not described in 'net_device' include/linux/netdevice.h:2040: warning: Function parameter or member 'xps_rxqs_map' not described in 'net_device' include/linux/phylink.h:56: warning: Function parameter or member '__ETHTOOL_DECLARE_LINK_MODE_MASK(advertising' not described in 'phylink_link_state' include/linux/phylink.h:56: warning: Function parameter or member '__ETHTOOL_DECLARE_LINK_MODE_MASK(lp_advertising' not described in 'phylink_link_state' drivers/net/phy/phylink.c:593: warning: Function parameter or member 'config' not described in 'phylink_create' drivers/net/phy/phylink.c:593: warning: Excess function parameter 'ndev' description in 'phylink_create' lib/genalloc.c:1: warning: 'gen_pool_add_virt' not found lib/genalloc.c:1: warning: 'gen_pool_alloc' not found lib/genalloc.c:1: warning: 'gen_pool_free' not found lib/genalloc.c:1: warning: 'gen_pool_alloc_algo' not found include/drm/drm_modeset_helper_vtables.h:1053: warning: Function parameter or member 'prepare_writeback_job' not described in 'drm_connector_helper_funcs' include/drm/drm_modeset_helper_vtables.h:1053: warning: Function parameter or member 'cleanup_writeback_job' not described in 'drm_connector_helper_funcs' include/drm/drm_atomic_state_helper.h:1: warning: no structured comments found include/drm/drm_gem_shmem_helper.h:87: warning: Function parameter or member 'madv' not described in 'drm_gem_shmem_object' include/drm/drm_gem_shmem_helper.h:87: warning: Function parameter or member 'madv_list' not described in 'drm_gem_shmem_object' drivers/gpu/drm/i915/display/intel_dpll_mgr.h:158: warning: Enum value 'DPLL_ID_TGL_MGPLL5' not described in enum 'intel_dpll_id' drivers/gpu/drm/i915/display/intel_dpll_mgr.h:158: warning: Enum value 'DPLL_ID_TGL_MGPLL6' not described in enum 'intel_dpll_id' drivers/gpu/drm/i915/display/intel_dpll_mgr.h:158: warning: Excess enum value 'DPLL_ID_TGL_TCPLL5' description in 'intel_dpll_id' drivers/gpu/drm/i915/display/intel_dpll_mgr.h:158: warning: Excess enum value 'DPLL_ID_TGL_TCPLL6' description in 'intel_dpll_id' drivers/gpu/drm/i915/display/intel_dpll_mgr.h:342: warning: Function parameter or member 'wakeref' not described in 'intel_shared_dpll' Error: Cannot open file drivers/gpu/drm/i915/i915_gem_batch_pool.c Error: Cannot open file drivers/gpu/drm/i915/i915_gem_batch_pool.c Error: Cannot open file drivers/gpu/drm/i915/i915_gem_batch_pool.c drivers/gpu/drm/i915/i915_drv.h:1142: warning: Incorrect use of kernel-doc format: * The OA context specific information. drivers/gpu/drm/i915/i915_drv.h:1156: warning: Incorrect use of kernel-doc format: * State of the OA buffer. drivers/gpu/drm/i915/i915_drv.h:1167: warning: Incorrect use of kernel-doc format: * Locks reads and writes to all head/tail state drivers/gpu/drm/i915/i915_drv.h:1189: warning: Incorrect use of kernel-doc format: * One 'aging' tail pointer and one 'aged' tail pointer ready to drivers/gpu/drm/i915/i915_drv.h:1201: warning: Incorrect use of kernel-doc format: * Index for the aged tail ready to read() data up to. drivers/gpu/drm/i915/i915_drv.h:1206: warning: Incorrect use of kernel-doc format: * A monotonic timestamp for when the current aging tail pointer drivers/gpu/drm/i915/i915_drv.h:1212: warning: Incorrect use of kernel-doc format: * Although we can always read back the head pointer register, drivers/gpu/drm/i915/i915_drv.h:1222: warning: Incorrect use of kernel-doc format: * A batch buffer doing a wait on the GPU for the NOA logic to be drivers/gpu/drm/i915/i915_drv.h:1226: warning: Function parameter or member 'pinned_ctx' not described in 'i915_perf_stream' drivers/gpu/drm/i915/i915_drv.h:1226: warning: Function parameter or member 'specific_ctx_id' not described in 'i915_perf_stream' drivers/gpu/drm/i915/i915_drv.h:1226: warning: Function parameter or member 'specific_ctx_id_mask' not described in 'i915_perf_stream' drivers/gpu/drm/i915/i915_drv.h:1226: warning: Function parameter or member 'poll_check_timer' not described in 'i915_perf_stream' drivers/gpu/drm/i915/i915_drv.h:1226: warning: Function parameter or member 'poll_wq' not described in 'i915_perf_stream' drivers/gpu/drm/i915/i915_drv.h:1226: warning: Function parameter or member 'pollin' not described in 'i915_perf_stream' drivers/gpu/drm/i915/i915_drv.h:1226: warning: Function parameter or member 'periodic' not described in 'i915_perf_stream' drivers/gpu/drm/i915/i915_drv.h:1226: warning: Function parameter or member 'period_exponent' not described in 'i915_perf_stream' drivers/gpu/drm/i915/i915_drv.h:1226: warning: Function parameter or member 'oa_buffer' not described in 'i915_perf_stream' >> drivers/gpu/drm/i915/i915_drv.h:1226: warning: Function parameter or member 'noa_wait' not described in 'i915_perf_stream' drivers/gpu/drm/i915/i915_drv.h:1142: warning: Incorrect use of kernel-doc format: * The OA context specific information. drivers/gpu/drm/i915/i915_drv.h:1156: warning: Incorrect use of kernel-doc format: * State of the OA buffer. drivers/gpu/drm/i915/i915_drv.h:1167: warning: Incorrect use of kernel-doc format: * Locks reads and writes to all head/tail state drivers/gpu/drm/i915/i915_drv.h:1189: warning: Incorrect use of kernel-doc format: * One 'aging' tail pointer and one 'aged' tail pointer ready to drivers/gpu/drm/i915/i915_drv.h:1201: warning: Incorrect use of kernel-doc format: * Index for the aged tail ready to read() data up to. drivers/gpu/drm/i915/i915_drv.h:1206: warning: Incorrect use of kernel-doc format: * A monotonic timestamp for when the current aging tail pointer drivers/gpu/drm/i915/i915_drv.h:1212: warning: Incorrect use of kernel-doc format: * Although we can always read back the head pointer register, drivers/gpu/drm/i915/i915_drv.h:1222: warning: Incorrect use of kernel-doc format: * A batch buffer doing a wait on the GPU for the NOA logic to be drivers/gpu/drm/i915/i915_drv.h:1142: warning: Incorrect use of kernel-doc format: * The OA context specific information. drivers/gpu/drm/i915/i915_drv.h:1156: warning: Incorrect use of kernel-doc format: * State of the OA buffer. drivers/gpu/drm/i915/i915_drv.h:1167: warning: Incorrect use of kernel-doc format: * Locks reads and writes to all head/tail state drivers/gpu/drm/i915/i915_drv.h:1189: warning: Incorrect use of kernel-doc format: * One 'aging' tail pointer and one 'aged' tail pointer ready to drivers/gpu/drm/i915/i915_drv.h:1201: warning: Incorrect use of kernel-doc format: * Index for the aged tail ready to read() data up to. drivers/gpu/drm/i915/i915_drv.h:1206: warning: Incorrect use of kernel-doc format: * A monotonic timestamp for when the current aging tail pointer drivers/gpu/drm/i915/i915_drv.h:1212: warning: Incorrect use of kernel-doc format: * Although we can always read back the head pointer register, drivers/gpu/drm/i915/i915_drv.h:1222: warning: Incorrect use of kernel-doc format: * A batch buffer doing a wait on the GPU for the NOA logic to be drivers/gpu/drm/mcde/mcde_drv.c:1: warning: 'ST-Ericsson MCDE DRM Driver' not found include/net/cfg80211.h:1092: warning: Function parameter or member 'txpwr' not described in 'station_parameters' include/net/mac80211.h:4043: warning: Function parameter or member 'sta_set_txpwr' not described in 'ieee80211_ops' include/net/mac80211.h:2006: warning: Function parameter or member 'txpwr' not described in 'ieee80211_sta' Documentation/index.rst:94: WARNING: toctree contains reference to nonexisting document 'virtual/index' Documentation/admin-guide/xfs.rst:257: WARNING: Block quote ends without a blank line; unexpected unindent. Documentation/crypto/crypto_engine.rst:2: WARNING: Explicit markup ends without a blank line; unexpected unindent. Documentation/trace/kprobetrace.rst:99: WARNING: Explicit markup ends without a blank line; unexpected unindent. WARNING: kernel-doc 'scripts/kernel-doc -rst -enable-lineno -function Reservation Object Overview drivers/dma-buf/reservation.c' failed with return code 1 WARNING: kernel-doc 'scripts/kernel-doc -rst -enable-lineno -export drivers/dma-buf/reservation.c' failed with return code 2 WARNING: kernel-doc 'scripts/kernel-doc -rst -enable-lineno -internal include/linux/reservation.h' failed with return code 2 Documentation/translations/it_IT/process/maintainer-pgp-guide.rst:458: WARNING: Unknown target name: "nitrokey pro". Documentation/kbuild/makefiles.rst:1142: WARNING: Inline emphasis start-string without end-string. Documentation/kbuild/makefiles.rst:1152: WARNING: Inline emphasis start-string without end-string. Documentation/kbuild/makefiles.rst:1154: WARNING: Inline emphasis start-string without end-string. Documentation/security/keys/core.rst:1110: WARNING: Inline emphasis start-string without end-string. Documentation/security/keys/core.rst:1110: WARNING: Inline emphasis start-string without end-string. Documentation/security/keys/core.rst:1108: WARNING: Inline emphasis start-string without end-string. Documentation/security/keys/core.rst:1108: WARNING: Inline emphasis start-string without end-string. Documentation/security/keys/core.rst:1108: WARNING: Inline emphasis start-string without end-string. 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. drivers/message/fusion/mptbase.c:5057: WARNING: Definition list ends without a blank line; unexpected unindent. drivers/tty/serial/serial_core.c:1964: WARNING: Definition list ends without a blank line; unexpected unindent. drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c:245: WARNING: Unexpected indentation. drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c:248: WARNING: Block quote ends without a blank line; unexpected unindent. drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:211: WARNING: Unexpected indentation. drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:222: WARNING: Unexpected indentation. drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c:2199: WARNING: Inline emphasis start-string without end-string. drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c:2201: WARNING: Inline emphasis start-string without end-string. include/linux/regulator/driver.h:284: WARNING: Unknown target name: "regulator_regmap_x_voltage". include/linux/i2c.h:522: WARNING: Inline strong start-string without end-string. include/linux/spi/spi.h:382: WARNING: Unexpected indentation. drivers/ata/libata-core.c:5945: WARNING: Unknown target name: "hw". fs/seq_file.c:40: WARNING: Inline strong start-string without end-string. fs/seq_file.c:40: WARNING: Inline strong start-string without end-string. fs/seq_file.c:40: WARNING: Inline strong start-string without end-string. fs/seq_file.c:40: WARNING: Inline strong start-string without end-string. fs/posix_acl.c:636: WARNING: Inline emphasis start-string without end-string. fs/debugfs/inode.c:399: WARNING: Inline literal start-string without end-string. fs/debugfs/inode.c:478: WARNING: Inline literal start-string without end-string. fs/debugfs/inode.c:510: WARNING: Inline literal start-string without end-string. fs/debugfs/inode.c:603: WARNING: Inline literal start-string without end-string. fs/debugfs/file.c:394: WARNING: Inline literal start-string without end-string. fs/debugfs/file.c:400: WARNING: Inline literal start-string without end-string. fs/debugfs/file.c:439: WARNING: Inline literal start-string without end-string. fs/debugfs/file.c:445: WARNING: Inline literal start-string without end-string. fs/debugfs/file.c:484: WARNING: Inline literal start-string without end-string. fs/debugfs/file.c:490: WARNING: Inline literal start-string without end-string. fs/debugfs/file.c:530: WARNING: Inline literal start-string without end-string. fs/debugfs/file.c:536: WARNING: Inline literal start-string without end-string. fs/debugfs/file.c:578: WARNING: Inline literal start-string without end-string. fs/debugfs/file.c:584: WARNING: Inline literal start-string without end-string. fs/debugfs/file.c:845: WARNING: Inline literal start-string without end-string. fs/debugfs/file.c:851: WARNING: Inline literal start-string without end-string. fs/debugfs/file.c:898: WARNING: Inline literal start-string without end-string. fs/debugfs/file.c:904: WARNING: Inline literal start-string without end-string. fs/debugfs/file.c:1090: WARNING: Inline literal start-string without end-string. fs/debugfs/file.c:1096: WARNING: Inline literal start-string without end-string. include/linux/xarray.h:232: WARNING: Unexpected indentation. include/linux/netdevice.h:3482: WARNING: Inline emphasis start-string without end-string. include/linux/netdevice.h:3482: WARNING: Inline emphasis start-string without end-string. net/core/dev.c:5008: WARNING: Unknown target name: "page_is". WARNING: kernel-doc 'scripts/kernel-doc -rst -enable-lineno -function batch pool drivers/gpu/drm/i915/i915_gem_batch_pool.c' failed with return code 1 WARNING: kernel-doc 'scripts/kernel-doc -rst -enable-lineno -internal drivers/gpu/drm/i915/i915_gem_batch_pool.c' failed with return code 2 Documentation/virt/index.rst: WARNING: document isn't included in any toctree include/linux/slab.h:500: WARNING: undefined label: memory-allocation (if the link has no caption the label must precede a section header) Documentation/gpu/drm-internals.rst:302: WARNING: Could not lex literal_block as "c". Highlighting skipped. WARNING: LaTeX command 'latex' cannot be run (needed for math display), check the imgmath_latex setting WARNING: LaTeX command 'latex' cannot be run (needed for math display), check the imgmath_latex setting Documentation/trace/kprobetrace.rst:68: WARNING: undefined label: user_mem_access (if the link has no caption the label must precede a section header) WARNING: LaTeX command 'latex' cannot be run (needed for math display), check the imgmath_latex setting vim +1226 drivers/gpu/drm/i915/i915_drv.h eec688e1420da5 Robert Bragg 2016-11-07 1076 16d98b31f80775 Robert Bragg 2016-12-07 1077 /** 16d98b31f80775 Robert Bragg 2016-12-07 1078 * struct i915_perf_stream - state for a single open stream FD 16d98b31f80775 Robert Bragg 2016-12-07 1079 */ eec688e1420da5 Robert Bragg 2016-11-07 1080 struct i915_perf_stream { 16d98b31f80775 Robert Bragg 2016-12-07 1081 /** 16d98b31f80775 Robert Bragg 2016-12-07 1082 * @dev_priv: i915 drm device 16d98b31f80775 Robert Bragg 2016-12-07 1083 */ eec688e1420da5 Robert Bragg 2016-11-07 1084 struct drm_i915_private *dev_priv; eec688e1420da5 Robert Bragg 2016-11-07 1085 16d98b31f80775 Robert Bragg 2016-12-07 1086 /** 16d98b31f80775 Robert Bragg 2016-12-07 1087 * @link: Links the stream into ``&drm_i915_private->streams`` 16d98b31f80775 Robert Bragg 2016-12-07 1088 */ eec688e1420da5 Robert Bragg 2016-11-07 1089 struct list_head link; eec688e1420da5 Robert Bragg 2016-11-07 1090 6d2438c8233bd0 Chris Wilson 2019-01-15 1091 /** 6d2438c8233bd0 Chris Wilson 2019-01-15 1092 * @wakeref: As we keep the device awake while the perf stream is 6d2438c8233bd0 Chris Wilson 2019-01-15 1093 * active, we track our runtime pm reference for later release. 6d2438c8233bd0 Chris Wilson 2019-01-15 1094 */ 6619c0075f784d Chris Wilson 2019-01-14 1095 intel_wakeref_t wakeref; 6619c0075f784d Chris Wilson 2019-01-14 1096 16d98b31f80775 Robert Bragg 2016-12-07 1097 /** 16d98b31f80775 Robert Bragg 2016-12-07 1098 * @sample_flags: Flags representing the `DRM_I915_PERF_PROP_SAMPLE_*` 16d98b31f80775 Robert Bragg 2016-12-07 1099 * properties given when opening a stream, representing the contents 16d98b31f80775 Robert Bragg 2016-12-07 1100 * of a single sample as read() by userspace. 16d98b31f80775 Robert Bragg 2016-12-07 1101 */ eec688e1420da5 Robert Bragg 2016-11-07 1102 u32 sample_flags; 16d98b31f80775 Robert Bragg 2016-12-07 1103 16d98b31f80775 Robert Bragg 2016-12-07 1104 /** 16d98b31f80775 Robert Bragg 2016-12-07 1105 * @sample_size: Considering the configured contents of a sample 16d98b31f80775 Robert Bragg 2016-12-07 1106 * combined with the required header size, this is the total size 16d98b31f80775 Robert Bragg 2016-12-07 1107 * of a single sample record. 16d98b31f80775 Robert Bragg 2016-12-07 1108 */ d79651522e89c4 Robert Bragg 2016-11-07 1109 int sample_size; eec688e1420da5 Robert Bragg 2016-11-07 1110 16d98b31f80775 Robert Bragg 2016-12-07 1111 /** 16d98b31f80775 Robert Bragg 2016-12-07 1112 * @ctx: %NULL if measuring system-wide across all contexts or a 16d98b31f80775 Robert Bragg 2016-12-07 1113 * specific context that is being monitored. 16d98b31f80775 Robert Bragg 2016-12-07 1114 */ eec688e1420da5 Robert Bragg 2016-11-07 1115 struct i915_gem_context *ctx; 16d98b31f80775 Robert Bragg 2016-12-07 1116 16d98b31f80775 Robert Bragg 2016-12-07 1117 /** 16d98b31f80775 Robert Bragg 2016-12-07 1118 * @enabled: Whether the stream is currently enabled, considering 16d98b31f80775 Robert Bragg 2016-12-07 1119 * whether the stream was opened in a disabled state and based 16d98b31f80775 Robert Bragg 2016-12-07 1120 * on `I915_PERF_IOCTL_ENABLE` and `I915_PERF_IOCTL_DISABLE` calls. 16d98b31f80775 Robert Bragg 2016-12-07 1121 */ eec688e1420da5 Robert Bragg 2016-11-07 1122 bool enabled; eec688e1420da5 Robert Bragg 2016-11-07 1123 16d98b31f80775 Robert Bragg 2016-12-07 1124 /** 16d98b31f80775 Robert Bragg 2016-12-07 1125 * @ops: The callbacks providing the implementation of this specific 16d98b31f80775 Robert Bragg 2016-12-07 1126 * type of configured stream. 16d98b31f80775 Robert Bragg 2016-12-07 1127 */ d79651522e89c4 Robert Bragg 2016-11-07 1128 const struct i915_perf_stream_ops *ops; 701f8231a2fe17 Lionel Landwerlin 2017-08-03 1129 701f8231a2fe17 Lionel Landwerlin 2017-08-03 1130 /** 701f8231a2fe17 Lionel Landwerlin 2017-08-03 1131 * @oa_config: The OA configuration used by the stream. 701f8231a2fe17 Lionel Landwerlin 2017-08-03 1132 */ 701f8231a2fe17 Lionel Landwerlin 2017-08-03 1133 struct i915_oa_config *oa_config; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1134 a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1135 /** 5356b5242c2b4e Lionel Landwerlin 2019-08-28 1136 * @oa_config_bos: A list of struct i915_oa_config_bo allocated lazily 5356b5242c2b4e Lionel Landwerlin 2019-08-28 1137 * each time @oa_config changes. 5356b5242c2b4e Lionel Landwerlin 2019-08-28 1138 */ 5356b5242c2b4e Lionel Landwerlin 2019-08-28 1139 struct list_head oa_config_bos; 5356b5242c2b4e Lionel Landwerlin 2019-08-28 1140 5356b5242c2b4e Lionel Landwerlin 2019-08-28 1141 /** a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1142 * The OA context specific information. a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1143 */ a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1144 struct intel_context *pinned_ctx; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1145 u32 specific_ctx_id; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1146 u32 specific_ctx_id_mask; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1147 a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1148 struct hrtimer poll_check_timer; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1149 wait_queue_head_t poll_wq; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1150 bool pollin; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1151 a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1152 bool periodic; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1153 int period_exponent; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1154 a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1155 /** a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1156 * State of the OA buffer. a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1157 */ a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1158 struct { a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1159 struct i915_vma *vma; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1160 u8 *vaddr; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1161 u32 last_ctx_id; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1162 int format; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1163 int format_size; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1164 int size_exponent; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1165 a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1166 /** a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1167 * Locks reads and writes to all head/tail state a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1168 * a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1169 * Consider: the head and tail pointer state needs to be read a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1170 * consistently from a hrtimer callback (atomic context) and a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1171 * read() fop (user context) with tail pointer updates happening a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1172 * in atomic context and head updates in user context and the a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1173 * (unlikely) possibility of read() errors needing to reset all a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1174 * head/tail state. a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1175 * a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1176 * Note: Contention/performance aren't currently a significant a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1177 * concern here considering the relatively low frequency of a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1178 * hrtimer callbacks (5ms period) and that reads typically only a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1179 * happen in response to a hrtimer event and likely complete a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1180 * before the next callback. a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1181 * a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1182 * Note: This lock is not held *while* reading and copying data a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1183 * to userspace so the value of head observed in htrimer a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1184 * callbacks won't represent any partial consumption of data. a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1185 */ a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1186 spinlock_t ptr_lock; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1187 a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1188 /** a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1189 * One 'aging' tail pointer and one 'aged' tail pointer ready to a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1190 * used for reading. a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1191 * a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1192 * Initial values of 0xffffffff are invalid and imply that an a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1193 * update is required (and should be ignored by an attempted a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1194 * read) a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1195 */ a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1196 struct { a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1197 u32 offset; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1198 } tails[2]; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1199 a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1200 /** a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1201 * Index for the aged tail ready to read() data up to. a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1202 */ a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1203 unsigned int aged_tail_idx; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1204 a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1205 /** a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1206 * A monotonic timestamp for when the current aging tail pointer a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1207 * was read; used to determine when it is old enough to trust. a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1208 */ a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1209 u64 aging_timestamp; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1210 a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1211 /** a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1212 * Although we can always read back the head pointer register, a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1213 * we prefer to avoid trusting the HW state, just to avoid any a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1214 * risk that some hardware condition could * somehow bump the a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1215 * head pointer unpredictably and cause us to forward the wrong a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1216 * OA buffer data to userspace. a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1217 */ a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1218 u32 head; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1219 } oa_buffer; 6ebf99d59259bb Lionel Landwerlin 2019-08-28 1220 6ebf99d59259bb Lionel Landwerlin 2019-08-28 1221 /** 6ebf99d59259bb Lionel Landwerlin 2019-08-28 1222 * A batch buffer doing a wait on the GPU for the NOA logic to be 6ebf99d59259bb Lionel Landwerlin 2019-08-28 1223 * reprogrammed. 6ebf99d59259bb Lionel Landwerlin 2019-08-28 1224 */ 6ebf99d59259bb Lionel Landwerlin 2019-08-28 1225 struct i915_vma *noa_wait; d79651522e89c4 Robert Bragg 2016-11-07 @1226 }; d79651522e89c4 Robert Bragg 2016-11-07 1227 :::::: The code at line 1226 was first introduced by commit :::::: d79651522e89c4ffa8992b48dfe449f0c583f809 drm/i915: Enable i915 perf stream for Haswell OA unit :::::: TO: Robert Bragg <robert@xxxxxxxxxxxxx> :::::: CC: Daniel Vetter <daniel.vetter@xxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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