tree: git://people.freedesktop.org/~agd5f/linux.git amd-staging-drm-next head: efd7788c4a440020f2c14a080275859935759af2 commit: ad1a77f3d449b086b26428f0fc4f8ad7e7481b4a [610/619] drm/amdgpu: Update function level documentation for GPUVM v3 reproduce: make htmldocs All warnings (new ones prefixed by >>): WARNING: convert(1) not found, for SVG to PDF conversion install ImageMagick (https://www.imagemagick.org) include/linux/crypto.h:477: warning: Function parameter or member 'cra_u.ablkcipher' not described in 'crypto_alg' include/linux/crypto.h:477: warning: Function parameter or member 'cra_u.blkcipher' not described in 'crypto_alg' include/linux/crypto.h:477: warning: Function parameter or member 'cra_u.cipher' not described in 'crypto_alg' include/linux/crypto.h:477: warning: Function parameter or member 'cra_u.compress' not described in 'crypto_alg' include/net/cfg80211.h:4129: warning: Function parameter or member 'wext.ibss' not described in 'wireless_dev' include/net/cfg80211.h:4129: warning: Function parameter or member 'wext.connect' not described in 'wireless_dev' include/net/cfg80211.h:4129: warning: Function parameter or member 'wext.keys' not described in 'wireless_dev' include/net/cfg80211.h:4129: warning: Function parameter or member 'wext.ie' not described in 'wireless_dev' include/net/cfg80211.h:4129: warning: Function parameter or member 'wext.ie_len' not described in 'wireless_dev' include/net/cfg80211.h:4129: warning: Function parameter or member 'wext.bssid' not described in 'wireless_dev' include/net/cfg80211.h:4129: warning: Function parameter or member 'wext.prev_bssid' not described in 'wireless_dev' include/net/cfg80211.h:4129: warning: Function parameter or member 'wext.ssid' not described in 'wireless_dev' include/net/cfg80211.h:4129: warning: Function parameter or member 'wext.default_key' not described in 'wireless_dev' include/net/cfg80211.h:4129: warning: Function parameter or member 'wext.default_mgmt_key' not described in 'wireless_dev' include/net/cfg80211.h:4129: warning: Function parameter or member 'wext.prev_bssid_valid' not described in 'wireless_dev' include/net/mac80211.h:2263: warning: Function parameter or member 'radiotap_timestamp.units_pos' not described in 'ieee80211_hw' include/net/mac80211.h:2263: warning: Function parameter or member 'radiotap_timestamp.accuracy' not described in 'ieee80211_hw' include/net/mac80211.h:950: warning: Function parameter or member 'rates' not described in 'ieee80211_tx_info' include/net/mac80211.h:950: warning: Function parameter or member 'control.rts_cts_rate_idx' not described in 'ieee80211_tx_info' include/net/mac80211.h:950: warning: Function parameter or member 'control.use_rts' not described in 'ieee80211_tx_info' include/net/mac80211.h:950: warning: Function parameter or member 'control.use_cts_prot' not described in 'ieee80211_tx_info' include/net/mac80211.h:950: warning: Function parameter or member 'control.short_preamble' not described in 'ieee80211_tx_info' include/net/mac80211.h:950: warning: Function parameter or member 'control.skip_table' not described in 'ieee80211_tx_info' include/net/mac80211.h:950: warning: Function parameter or member 'control.jiffies' not described in 'ieee80211_tx_info' include/net/mac80211.h:950: warning: Function parameter or member 'control.vif' not described in 'ieee80211_tx_info' include/net/mac80211.h:950: warning: Function parameter or member 'control.hw_key' not described in 'ieee80211_tx_info' include/net/mac80211.h:950: warning: Function parameter or member 'control.flags' not described in 'ieee80211_tx_info' include/net/mac80211.h:950: warning: Function parameter or member 'control.enqueue_time' not described in 'ieee80211_tx_info' include/net/mac80211.h:950: warning: Function parameter or member 'ack' not described in 'ieee80211_tx_info' include/net/mac80211.h:950: warning: Function parameter or member 'ack.cookie' not described in 'ieee80211_tx_info' include/net/mac80211.h:950: warning: Function parameter or member 'status.rates' not described in 'ieee80211_tx_info' include/net/mac80211.h:950: warning: Function parameter or member 'status.ack_signal' not described in 'ieee80211_tx_info' include/net/mac80211.h:950: warning: Function parameter or member 'status.ampdu_ack_len' not described in 'ieee80211_tx_info' include/net/mac80211.h:950: warning: Function parameter or member 'status.ampdu_len' not described in 'ieee80211_tx_info' include/net/mac80211.h:950: warning: Function parameter or member 'status.antenna' not described in 'ieee80211_tx_info' include/net/mac80211.h:950: warning: Function parameter or member 'status.tx_time' not described in 'ieee80211_tx_info' include/net/mac80211.h:950: warning: Function parameter or member 'status_driver_data' not described in 'ieee80211_tx_info' include/net/mac80211.h:950: warning: Function parameter or member 'driver_rates' not described in 'ieee80211_tx_info' include/net/mac80211.h:950: warning: Function parameter or member 'pad' not described in 'ieee80211_tx_info' include/net/mac80211.h:950: warning: Function parameter or member 'rate_driver_data' not described in 'ieee80211_tx_info' net/mac80211/sta_info.h:584: warning: Function parameter or member 'rx_stats_avg' not described in 'sta_info' net/mac80211/sta_info.h:584: warning: Function parameter or member 'rx_stats_avg.signal' not described in 'sta_info' net/mac80211/sta_info.h:584: warning: Function parameter or member 'rx_stats_avg.chain_signal' not described in 'sta_info' net/mac80211/sta_info.h:584: warning: Function parameter or member 'status_stats.filtered' not described in 'sta_info' net/mac80211/sta_info.h:584: warning: Function parameter or member 'status_stats.retry_failed' not described in 'sta_info' net/mac80211/sta_info.h:584: warning: Function parameter or member 'status_stats.retry_count' not described in 'sta_info' net/mac80211/sta_info.h:584: warning: Function parameter or member 'status_stats.lost_packets' not described in 'sta_info' net/mac80211/sta_info.h:584: warning: Function parameter or member 'status_stats.last_tdls_pkt_time' not described in 'sta_info' net/mac80211/sta_info.h:584: warning: Function parameter or member 'msdu_retries' not described in 'sta_info' net/mac80211/sta_info.h:584: warning: Function parameter or member 'msdu_failed' not described in 'sta_info' net/mac80211/sta_info.h:584: warning: Function parameter or member 'status_stats.last_ack' not described in 'sta_info' net/mac80211/sta_info.h:584: warning: Function parameter or member 'tx_stats.packets' not described in 'sta_info' net/mac80211/sta_info.h:584: warning: Function parameter or member 'tx_stats.bytes' not described in 'sta_info' net/mac80211/sta_info.h:584: warning: Function parameter or member 'tx_stats.last_rate' not described in 'sta_info' net/mac80211/sta_info.h:584: warning: Function parameter or member 'msdu' not described in 'sta_info' include/linux/dma-buf.h:307: warning: Function parameter or member 'cb_excl.cb' not described in 'dma_buf' include/linux/dma-buf.h:307: warning: Function parameter or member 'cb_excl.poll' not described in 'dma_buf' include/linux/dma-buf.h:307: warning: Function parameter or member 'cb_excl.active' not described in 'dma_buf' include/linux/dma-buf.h:307: warning: Function parameter or member 'cb_shared.cb' not described in 'dma_buf' include/linux/dma-buf.h:307: warning: Function parameter or member 'cb_shared.poll' not described in 'dma_buf' include/linux/dma-buf.h:307: 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/iio.h:270: warning: Function parameter or member 'scan_type.sign' not described in 'iio_chan_spec' include/linux/iio/iio.h:270: warning: Function parameter or member 'scan_type.realbits' not described in 'iio_chan_spec' include/linux/iio/iio.h:270: warning: Function parameter or member 'scan_type.storagebits' not described in 'iio_chan_spec' include/linux/iio/iio.h:270: warning: Function parameter or member 'scan_type.shift' not described in 'iio_chan_spec' include/linux/iio/iio.h:270: warning: Function parameter or member 'scan_type.repeat' not described in 'iio_chan_spec' include/linux/iio/iio.h:270: warning: Function parameter or member 'scan_type.endianness' not described in 'iio_chan_spec' include/linux/iio/hw-consumer.h:1: warning: no structured comments found include/linux/device.h:294: warning: Function parameter or member 'coredump' not described in 'device_driver' include/linux/input/sparse-keymap.h:46: warning: Function parameter or member 'sw' not described in 'key_entry' include/linux/mtd/rawnand.h:709: warning: Function parameter or member 'timings.sdr' not described in 'nand_data_interface' include/linux/mtd/rawnand.h:774: warning: Function parameter or member 'buf' not described in 'nand_op_data_instr' include/linux/mtd/rawnand.h:774: warning: Function parameter or member 'buf.in' not described in 'nand_op_data_instr' include/linux/mtd/rawnand.h:774: warning: Function parameter or member 'buf.out' not described in 'nand_op_data_instr' include/linux/mtd/rawnand.h:820: warning: Function parameter or member 'ctx' not described in 'nand_op_instr' include/linux/mtd/rawnand.h:820: warning: Function parameter or member 'ctx.cmd' not described in 'nand_op_instr' include/linux/mtd/rawnand.h:820: warning: Function parameter or member 'ctx.addr' not described in 'nand_op_instr' include/linux/mtd/rawnand.h:820: warning: Function parameter or member 'ctx.data' not described in 'nand_op_instr' include/linux/mtd/rawnand.h:820: warning: Function parameter or member 'ctx.waitrdy' not described in 'nand_op_instr' include/linux/mtd/rawnand.h:967: warning: Function parameter or member 'ctx' not described in 'nand_op_parser_pattern_elem' include/linux/mtd/rawnand.h:967: warning: Function parameter or member 'ctx.addr' not described in 'nand_op_parser_pattern_elem' include/linux/mtd/rawnand.h:967: warning: Function parameter or member 'ctx.data' not described in 'nand_op_parser_pattern_elem' include/linux/mtd/rawnand.h:1281: warning: Function parameter or member 'manufacturer.desc' not described in 'nand_chip' include/linux/mtd/rawnand.h:1281: warning: Function parameter or member 'manufacturer.priv' not described in 'nand_chip' include/linux/regulator/driver.h:221: warning: Function parameter or member 'resume_early' not described in 'regulator_ops' drivers/regulator/core.c:4299: warning: Excess function parameter 'state' description in 'regulator_suspend_late' 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/gpu/drm/amd/amdgpu/amdgpu_vm.c:359: warning: Function parameter or member 'pte_support_ats' not described in 'amdgpu_vm_clear_bo' >> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:697: warning: Function parameter or member 'job' not described in 'amdgpu_vm_flush' >> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1781: warning: Function parameter or member '_cb' not described in 'amdgpu_vm_prt_cb' >> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:2070: warning: Function parameter or member 'size' not described in 'amdgpu_vm_bo_map' >> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:2134: warning: Function parameter or member 'size' not described in 'amdgpu_vm_bo_replace_map' >> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:2347: warning: Function parameter or member 'addr' not described in 'amdgpu_vm_bo_lookup_mapping' >> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:2401: warning: Function parameter or member 'evicted' not described in 'amdgpu_vm_bo_invalidate' >> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:2465: warning: Function parameter or member 'fragment_size_default' not described in 'amdgpu_vm_adjust_size' >> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:2465: warning: Function parameter or member 'max_level' not described in 'amdgpu_vm_adjust_size' >> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:2465: warning: Function parameter or member 'max_bits' not described in 'amdgpu_vm_adjust_size' >> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:2536: warning: Function parameter or member 'pasid' not described in 'amdgpu_vm_init' 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_vblank.h:60: warning: Incorrect use of kernel-doc format: Documentation Makefile scripts source @event.base: DRM event base class. include/drm/drm_vblank.h:65: warning: Incorrect use of kernel-doc format: Documentation Makefile scripts source @event.vbl: include/drm/drm_vblank.h:75: warning: Incorrect use of kernel-doc format: Documentation Makefile scripts source @event.seq: Event payload for the MODE_QUEUEU_SEQUENCE IOCTL. include/drm/drm_vblank.h:79: warning: Function parameter or member 'event.base' not described in 'drm_pending_vblank_event' include/drm/drm_vblank.h:79: warning: Function parameter or member 'event.vbl' not described in 'drm_pending_vblank_event' include/drm/drm_vblank.h:79: warning: Function parameter or member 'event.seq' not described in 'drm_pending_vblank_event' drivers/gpu/drm/drm_prime.c:342: warning: Function parameter or member 'attach' not described in 'drm_gem_unmap_dma_buf' drivers/gpu/drm/drm_prime.c:342: warning: Function parameter or member 'sgt' not described in 'drm_gem_unmap_dma_buf' drivers/gpu/drm/drm_prime.c:342: warning: Function parameter or member 'dir' not described in 'drm_gem_unmap_dma_buf' drivers/gpu/drm/drm_prime.c:438: warning: Function parameter or member 'dma_buf' not described in 'drm_gem_dmabuf_kmap_atomic' drivers/gpu/drm/drm_prime.c:438: warning: Function parameter or member 'page_num' not described in 'drm_gem_dmabuf_kmap_atomic' drivers/gpu/drm/drm_prime.c:450: warning: Function parameter or member 'dma_buf' not described in 'drm_gem_dmabuf_kunmap_atomic' drivers/gpu/drm/drm_prime.c:450: warning: Function parameter or member 'page_num' not described in 'drm_gem_dmabuf_kunmap_atomic' drivers/gpu/drm/drm_prime.c:450: warning: Function parameter or member 'addr' not described in 'drm_gem_dmabuf_kunmap_atomic' drivers/gpu/drm/drm_prime.c:461: warning: Function parameter or member 'dma_buf' not described in 'drm_gem_dmabuf_kmap' drivers/gpu/drm/drm_prime.c:461: warning: Function parameter or member 'page_num' not described in 'drm_gem_dmabuf_kmap' drivers/gpu/drm/drm_prime.c:473: warning: Function parameter or member 'dma_buf' not described in 'drm_gem_dmabuf_kunmap' drivers/gpu/drm/drm_prime.c:473: warning: Function parameter or member 'page_num' not described in 'drm_gem_dmabuf_kunmap' drivers/gpu/drm/drm_prime.c:473: warning: Function parameter or member 'addr' not described in 'drm_gem_dmabuf_kunmap' drivers/gpu/drm/i915/intel_dpio_phy.c:150: warning: Incorrect use of kernel-doc format: Documentation Makefile scripts source @channel.port: which port maps to this channel. include/linux/skbuff.h:846: warning: Function parameter or member 'dev_scratch' not described in 'sk_buff' include/linux/skbuff.h:846: warning: Function parameter or member 'skb_mstamp' not described in 'sk_buff' include/linux/skbuff.h:846: warning: Function parameter or member '__cloned_offset' not described in 'sk_buff' include/linux/skbuff.h:846: warning: Function parameter or member 'head_frag' not described in 'sk_buff' include/linux/skbuff.h:846: warning: Function parameter or member '__unused' not described in 'sk_buff' include/linux/skbuff.h:846: warning: Function parameter or member '__pkt_type_offset' not described in 'sk_buff' include/linux/skbuff.h:846: warning: Function parameter or member 'pfmemalloc' not described in 'sk_buff' include/linux/skbuff.h:846: warning: Function parameter or member 'encapsulation' not described in 'sk_buff' include/linux/skbuff.h:846: warning: Function parameter or member 'encap_hdr_csum' not described in 'sk_buff' include/linux/skbuff.h:846: warning: Function parameter or member 'csum_valid' not described in 'sk_buff' include/linux/skbuff.h:846: warning: Function parameter or member 'csum_complete_sw' not described in 'sk_buff' include/linux/skbuff.h:846: warning: Function parameter or member 'csum_level' not described in 'sk_buff' include/linux/skbuff.h:846: warning: Function parameter or member 'inner_protocol_type' not described in 'sk_buff' include/linux/skbuff.h:846: warning: Function parameter or member 'remcsum_offload' not described in 'sk_buff' include/linux/skbuff.h:846: warning: Function parameter or member 'offload_fwd_mark' not described in 'sk_buff' include/linux/skbuff.h:846: warning: Function parameter or member 'offload_mr_fwd_mark' not described in 'sk_buff' include/linux/skbuff.h:846: warning: Function parameter or member 'sender_cpu' not described in 'sk_buff' include/linux/skbuff.h:846: warning: Function parameter or member 'reserved_tailroom' not described in 'sk_buff' include/linux/skbuff.h:846: warning: Function parameter or member 'inner_ipproto' not described in 'sk_buff' include/net/sock.h:234: warning: Function parameter or member 'skc_addrpair' not described in 'sock_common' include/net/sock.h:234: warning: Function parameter or member 'skc_portpair' not described in 'sock_common' include/net/sock.h:234: warning: Function parameter or member 'skc_ipv6only' not described in 'sock_common' include/net/sock.h:234: warning: Function parameter or member 'skc_net_refcnt' not described in 'sock_common' include/net/sock.h:234: warning: Function parameter or member 'skc_v6_daddr' not described in 'sock_common' include/net/sock.h:234: warning: Function parameter or member 'skc_v6_rcv_saddr' not described in 'sock_common' include/net/sock.h:234: warning: Function parameter or member 'skc_cookie' not described in 'sock_common' include/net/sock.h:234: warning: Function parameter or member 'skc_listener' not described in 'sock_common' include/net/sock.h:234: warning: Function parameter or member 'skc_tw_dr' not described in 'sock_common' include/net/sock.h:234: warning: Function parameter or member 'skc_rcv_wnd' not described in 'sock_common' include/net/sock.h:234: warning: Function parameter or member 'skc_tw_rcv_nxt' not described in 'sock_common' include/net/sock.h:487: warning: Function parameter or member 'sk_backlog.rmem_alloc' not described in 'sock' include/net/sock.h:487: warning: Function parameter or member 'sk_backlog.len' not described in 'sock' include/net/sock.h:487: warning: Function parameter or member 'sk_backlog.head' not described in 'sock' include/net/sock.h:487: warning: Function parameter or member 'sk_backlog.tail' not described in 'sock' include/net/sock.h:487: warning: Function parameter or member 'sk_wq_raw' not described in 'sock' include/net/sock.h:487: warning: Function parameter or member 'tcp_rtx_queue' not described in 'sock' include/linux/netdevice.h:1940: warning: Function parameter or member 'adj_list.upper' not described in 'net_device' include/linux/netdevice.h:1940: warning: Function parameter or member 'adj_list.lower' not described in 'net_device' include/linux/netdevice.h:1940: warning: Function parameter or member 'gso_partial_features' not described in 'net_device' include/linux/netdevice.h:1940: warning: Function parameter or member 'switchdev_ops' not described in 'net_device' include/linux/netdevice.h:1940: warning: Function parameter or member 'l3mdev_ops' not described in 'net_device' include/linux/netdevice.h:1940: warning: Function parameter or member 'xfrmdev_ops' not described in 'net_device' include/linux/netdevice.h:1940: warning: Function parameter or member 'name_assign_type' not described in 'net_device' include/linux/netdevice.h:1940: warning: Function parameter or member 'ieee802154_ptr' not described in 'net_device' include/linux/netdevice.h:1940: warning: Function parameter or member 'mpls_ptr' not described in 'net_device' include/linux/netdevice.h:1940: warning: Function parameter or member 'xdp_prog' not described in 'net_device' include/linux/netdevice.h:1940: warning: Function parameter or member 'gro_flush_timeout' not described in 'net_device' include/linux/netdevice.h:1940: warning: Function parameter or member 'nf_hooks_ingress' not described in 'net_device' include/linux/netdevice.h:1940: warning: Function parameter or member '____cacheline_aligned_in_smp' not described in 'net_device' include/linux/netdevice.h:1940: warning: Function parameter or member 'qdisc_hash' not described in 'net_device' include/linux/phylink.h:56: warning: Function parameter or member '__ETHTOOL_DECLARE_LINK_MODE_MASK(advertising' not described in 'phylink_link_state' include/linux/phylink.h:56: warning: Function parameter or member '__ETHTOOL_DECLARE_LINK_MODE_MASK(lp_advertising' not described in 'phylink_link_state' include/linux/rcupdate.h:570: ERROR: Unexpected indentation. include/linux/rcupdate.h:574: ERROR: Unexpected indentation. include/linux/rcupdate.h:578: WARNING: Block quote ends without a blank line; unexpected unindent. include/linux/rcupdate.h:580: WARNING: Block quote ends without a blank line; unexpected unindent. include/linux/rcupdate.h:580: WARNING: Inline literal start-string without end-string. kernel/time/timer.c:1259: ERROR: Unexpected indentation. kernel/time/timer.c:1261: ERROR: Unexpected indentation. kernel/time/timer.c:1262: WARNING: Block quote ends without a blank line; unexpected unindent. include/linux/wait.h:110: WARNING: Block quote ends without a blank line; unexpected unindent. include/linux/wait.h:113: ERROR: Unexpected indentation. include/linux/wait.h:115: WARNING: Block quote ends without a blank line; unexpected unindent. kernel/time/hrtimer.c:1113: WARNING: Block quote ends without a blank line; unexpected unindent. kernel/signal.c:327: WARNING: Inline literal start-string without end-string. drivers/video/fbdev/core/modedb.c:647: WARNING: Inline strong start-string without end-string. drivers/video/fbdev/core/modedb.c:647: WARNING: Inline strong start-string without end-string. drivers/video/fbdev/core/modedb.c:647: WARNING: Inline strong start-string without end-string. drivers/video/fbdev/core/modedb.c:647: WARNING: Inline strong start-string without end-string. include/linux/iio/iio.h:191: ERROR: Unexpected indentation. include/linux/iio/iio.h:192: WARNING: Block quote ends without a blank line; unexpected unindent. include/linux/iio/iio.h:198: WARNING: Definition list ends without a blank line; unexpected unindent. vim +359 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c d38ceaf9 Alex Deucher 2015-04-20 341 663e4577 Christian König 2017-03-13 342 /** 13307f7e Christian König 2018-01-24 343 * amdgpu_vm_clear_bo - initially clear the PDs/PTs 13307f7e Christian König 2018-01-24 344 * 13307f7e Christian König 2018-01-24 345 * @adev: amdgpu_device pointer ad1a77f3 Andrey Grodzovsky 2018-06-11 346 * @vm: VM to clear BO from 13307f7e Christian König 2018-01-24 347 * @bo: BO to clear 13307f7e Christian König 2018-01-24 348 * @level: level this BO is at 13307f7e Christian König 2018-01-24 349 * 13307f7e Christian König 2018-01-24 350 * Root PD needs to be reserved when calling this. ad1a77f3 Andrey Grodzovsky 2018-06-11 351 * ad1a77f3 Andrey Grodzovsky 2018-06-11 352 * Returns: ad1a77f3 Andrey Grodzovsky 2018-06-11 353 * 0 on success, errno otherwise. 13307f7e Christian König 2018-01-24 354 */ 13307f7e Christian König 2018-01-24 355 static int amdgpu_vm_clear_bo(struct amdgpu_device *adev, 4584312d Christian König 2018-01-25 356 struct amdgpu_vm *vm, struct amdgpu_bo *bo, 4584312d Christian König 2018-01-25 357 unsigned level, bool pte_support_ats) 13307f7e Christian König 2018-01-24 358 { 13307f7e Christian König 2018-01-24 @359 struct ttm_operation_ctx ctx = { true, false }; 13307f7e Christian König 2018-01-24 360 struct dma_fence *fence = NULL; 4584312d Christian König 2018-01-25 361 unsigned entries, ats_entries; 13307f7e Christian König 2018-01-24 362 struct amdgpu_ring *ring; 13307f7e Christian König 2018-01-24 363 struct amdgpu_job *job; 4584312d Christian König 2018-01-25 364 uint64_t addr; 13307f7e Christian König 2018-01-24 365 int r; 13307f7e Christian König 2018-01-24 366 4584312d Christian König 2018-01-25 367 addr = amdgpu_bo_gpu_offset(bo); 4584312d Christian König 2018-01-25 368 entries = amdgpu_bo_size(bo) / 8; 4584312d Christian König 2018-01-25 369 4584312d Christian König 2018-01-25 370 if (pte_support_ats) { 4584312d Christian König 2018-01-25 371 if (level == adev->vm_manager.root_level) { 4584312d Christian König 2018-01-25 372 ats_entries = amdgpu_vm_level_shift(adev, level); 4584312d Christian König 2018-01-25 373 ats_entries += AMDGPU_GPU_PAGE_SHIFT; 4584312d Christian König 2018-01-25 374 ats_entries = AMDGPU_VA_HOLE_START >> ats_entries; 4584312d Christian König 2018-01-25 375 ats_entries = min(ats_entries, entries); 4584312d Christian König 2018-01-25 376 entries -= ats_entries; 4584312d Christian König 2018-01-25 377 } else { 4584312d Christian König 2018-01-25 378 ats_entries = entries; 4584312d Christian König 2018-01-25 379 entries = 0; 4584312d Christian König 2018-01-25 380 } 13307f7e Christian König 2018-01-24 381 } else { 4584312d Christian König 2018-01-25 382 ats_entries = 0; 13307f7e Christian König 2018-01-24 383 } 13307f7e Christian König 2018-01-24 384 13307f7e Christian König 2018-01-24 385 ring = container_of(vm->entity.sched, struct amdgpu_ring, sched); 13307f7e Christian König 2018-01-24 386 13307f7e Christian König 2018-01-24 387 r = reservation_object_reserve_shared(bo->tbo.resv); 13307f7e Christian König 2018-01-24 388 if (r) 13307f7e Christian König 2018-01-24 389 return r; 13307f7e Christian König 2018-01-24 390 13307f7e Christian König 2018-01-24 391 r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx); 13307f7e Christian König 2018-01-24 392 if (r) 13307f7e Christian König 2018-01-24 393 goto error; 13307f7e Christian König 2018-01-24 394 13307f7e Christian König 2018-01-24 395 r = amdgpu_job_alloc_with_ib(adev, 64, &job); 13307f7e Christian König 2018-01-24 396 if (r) 13307f7e Christian König 2018-01-24 397 goto error; 13307f7e Christian König 2018-01-24 398 4584312d Christian König 2018-01-25 399 if (ats_entries) { 4584312d Christian König 2018-01-25 400 uint64_t ats_value; 4584312d Christian König 2018-01-25 401 4584312d Christian König 2018-01-25 402 ats_value = AMDGPU_PTE_DEFAULT_ATC; 4584312d Christian König 2018-01-25 403 if (level != AMDGPU_VM_PTB) 4584312d Christian König 2018-01-25 404 ats_value |= AMDGPU_PDE_PTE; 4584312d Christian König 2018-01-25 405 4584312d Christian König 2018-01-25 406 amdgpu_vm_set_pte_pde(adev, &job->ibs[0], addr, 0, 4584312d Christian König 2018-01-25 407 ats_entries, 0, ats_value); 4584312d Christian König 2018-01-25 408 addr += ats_entries * 8; 4584312d Christian König 2018-01-25 409 } 4584312d Christian König 2018-01-25 410 4584312d Christian König 2018-01-25 411 if (entries) 13307f7e Christian König 2018-01-24 412 amdgpu_vm_set_pte_pde(adev, &job->ibs[0], addr, 0, 4584312d Christian König 2018-01-25 413 entries, 0, 0); 4584312d Christian König 2018-01-25 414 13307f7e Christian König 2018-01-24 415 amdgpu_ring_pad_ib(ring, &job->ibs[0]); 13307f7e Christian König 2018-01-24 416 13307f7e Christian König 2018-01-24 417 WARN_ON(job->ibs[0].length_dw > 64); 29e8357b Christian König 2018-02-04 418 r = amdgpu_sync_resv(adev, &job->sync, bo->tbo.resv, 29e8357b Christian König 2018-02-04 419 AMDGPU_FENCE_OWNER_UNDEFINED, false); 29e8357b Christian König 2018-02-04 420 if (r) 29e8357b Christian König 2018-02-04 421 goto error_free; 29e8357b Christian König 2018-02-04 422 13307f7e Christian König 2018-01-24 423 r = amdgpu_job_submit(job, ring, &vm->entity, 13307f7e Christian König 2018-01-24 424 AMDGPU_FENCE_OWNER_UNDEFINED, &fence); 13307f7e Christian König 2018-01-24 425 if (r) 13307f7e Christian König 2018-01-24 426 goto error_free; 13307f7e Christian König 2018-01-24 427 13307f7e Christian König 2018-01-24 428 amdgpu_bo_fence(bo, fence, true); 13307f7e Christian König 2018-01-24 429 dma_fence_put(fence); e61736da Christian König 2018-02-02 430 e61736da Christian König 2018-02-02 431 if (bo->shadow) e61736da Christian König 2018-02-02 432 return amdgpu_vm_clear_bo(adev, vm, bo->shadow, e61736da Christian König 2018-02-02 433 level, pte_support_ats); e61736da Christian König 2018-02-02 434 13307f7e Christian König 2018-01-24 435 return 0; 13307f7e Christian König 2018-01-24 436 13307f7e Christian König 2018-01-24 437 error_free: 13307f7e Christian König 2018-01-24 438 amdgpu_job_free(job); 13307f7e Christian König 2018-01-24 439 13307f7e Christian König 2018-01-24 440 error: 13307f7e Christian König 2018-01-24 441 return r; 13307f7e Christian König 2018-01-24 442 } 13307f7e Christian König 2018-01-24 443 :::::: The code at line 359 was first introduced by commit :::::: 13307f7e1d0c05a68f4ba19193cbd213573a8680 drm/amdgpu: revert "drm/amdgpu: use AMDGPU_GEM_CREATE_VRAM_CLEARED for VM PD/PTs" v2 :::::: TO: Christian König <christian.koenig@xxxxxxx> :::::: CC: Alex Deucher <alexander.deucher@xxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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