Hi, [auto build test WARNING on drm-intel/for-linux-next] [also build test WARNING on next-20160420] [cannot apply to v4.6-rc4] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system] url: https://github.com/0day-ci/linux/commits/ankitprasad-r-sharma-intel-com/Support-for-creating-using-Stolen-memory-backed-objects/20160420-194608 base: git://anongit.freedesktop.org/drm-intel for-linux-next reproduce: make htmldocs All warnings (new ones prefixed by >>): include/drm/drm_crtc.h:1549: warning: No description found for parameter 'helper_private' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'tile_idr' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'connector_ida' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'delayed_event' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'edid_property' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'dpms_property' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'path_property' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'tile_property' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'plane_type_property' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'rotation_property' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'prop_src_x' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'prop_src_y' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'prop_src_w' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'prop_src_h' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'prop_crtc_x' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'prop_crtc_y' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'prop_crtc_w' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'prop_crtc_h' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'prop_fb_id' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'prop_crtc_id' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'prop_active' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'prop_mode_id' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'dvi_i_subconnector_property' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'dvi_i_select_subconnector_property' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'tv_subconnector_property' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'tv_select_subconnector_property' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'tv_mode_property' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'tv_left_margin_property' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'tv_right_margin_property' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'tv_top_margin_property' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'tv_bottom_margin_property' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'tv_brightness_property' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'tv_contrast_property' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'tv_flicker_reduction_property' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'tv_overscan_property' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'tv_saturation_property' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'tv_hue_property' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'scaling_mode_property' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'aspect_ratio_property' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'dirty_info_property' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'suggested_x_property' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'suggested_y_property' include/drm/drm_crtc.h:2185: warning: No description found for parameter 'allow_fb_modifiers' drivers/gpu/drm/drm_atomic_helper.c:2913: warning: No description found for parameter 'start' drivers/gpu/drm/drm_atomic_helper.c:2913: warning: No description found for parameter 'start' drivers/gpu/drm/drm_atomic_helper.c:2913: warning: No description found for parameter 'start' drivers/gpu/drm/drm_atomic_helper.c:2913: warning: No description found for parameter 'start' include/drm/drm_dp_helper.h:749: warning: No description found for parameter 'i2c_nack_count' include/drm/drm_dp_helper.h:749: warning: No description found for parameter 'i2c_defer_count' drivers/gpu/drm/drm_dp_mst_topology.c:2356: warning: No description found for parameter 'connector' include/drm/drm_dp_mst_helper.h:92: warning: No description found for parameter 'cached_edid' include/drm/drm_dp_mst_helper.h:92: warning: No description found for parameter 'has_audio' include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'max_dpcd_transaction_bytes' include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'sink_count' include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'total_slots' include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'avail_slots' include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'total_pbn' include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'qlock' include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'tx_msg_downq' include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'tx_down_in_progress' include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'payload_lock' include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'proposed_vcpis' include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'payloads' include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'payload_mask' include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'vcpi_mask' include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'tx_waitq' include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'work' include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'tx_work' include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'destroy_connector_list' include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'destroy_connector_lock' include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'destroy_connector_work' drivers/gpu/drm/drm_dp_mst_topology.c:2356: warning: No description found for parameter 'connector' drivers/gpu/drm/drm_irq.c:176: warning: No description found for parameter 'flags' include/drm/drmP.h:168: warning: No description found for parameter 'fmt' include/drm/drmP.h:184: warning: No description found for parameter 'fmt' include/drm/drmP.h:202: warning: No description found for parameter 'fmt' include/drm/drmP.h:247: warning: No description found for parameter 'dev' include/drm/drmP.h:247: warning: No description found for parameter 'data' include/drm/drmP.h:247: warning: No description found for parameter 'file_priv' include/drm/drmP.h:280: warning: No description found for parameter 'ioctl' include/drm/drmP.h:280: warning: No description found for parameter '_func' include/drm/drmP.h:280: warning: No description found for parameter '_flags' include/drm/drmP.h:362: warning: cannot understand function prototype: 'struct drm_lock_data ' include/drm/drmP.h:415: warning: cannot understand function prototype: 'struct drm_driver ' include/drm/drmP.h:672: warning: cannot understand function prototype: 'struct drm_info_list ' include/drm/drmP.h:682: warning: cannot understand function prototype: 'struct drm_info_node ' include/drm/drmP.h:692: warning: cannot understand function prototype: 'struct drm_minor ' include/drm/drmP.h:740: warning: cannot understand function prototype: 'struct drm_device ' drivers/gpu/drm/i915/intel_runtime_pm.c:2391: warning: No description found for parameter 'resume' drivers/gpu/drm/i915/intel_runtime_pm.c:2391: warning: No description found for parameter 'resume' drivers/gpu/drm/i915/i915_irq.c:2722: warning: No description found for parameter 'fmt' drivers/gpu/drm/i915/i915_irq.c:2722: warning: No description found for parameter 'fmt' drivers/gpu/drm/i915/i915_irq.c:2722: warning: No description found for parameter 'fmt' drivers/gpu/drm/i915/i915_irq.c:2722: warning: No description found for parameter 'fmt' drivers/gpu/drm/i915/i915_gem.c:434: warning: No description found for parameter 'dev' drivers/gpu/drm/i915/i915_gem.c:434: warning: No description found for parameter 'data' drivers/gpu/drm/i915/i915_gem.c:434: warning: No description found for parameter 'file' drivers/gpu/drm/i915/i915_gem.c:699: warning: No description found for parameter 'dev' drivers/gpu/drm/i915/i915_gem.c:699: warning: No description found for parameter 'data' drivers/gpu/drm/i915/i915_gem.c:699: warning: No description found for parameter 'file' >> drivers/gpu/drm/i915/i915_gem.c:780: warning: No description found for parameter 'i915' drivers/gpu/drm/i915/i915_gem.c:780: warning: No description found for parameter 'obj' drivers/gpu/drm/i915/i915_gem.c:780: warning: No description found for parameter 'args' drivers/gpu/drm/i915/i915_gem.c:780: warning: No description found for parameter 'file' drivers/gpu/drm/i915/i915_gem.c:1071: warning: No description found for parameter 'dev' drivers/gpu/drm/i915/i915_gem.c:1071: warning: No description found for parameter 'data' drivers/gpu/drm/i915/i915_gem.c:1071: warning: No description found for parameter 'file' drivers/gpu/drm/i915/i915_gem.c:1277: warning: No description found for parameter 'rps' drivers/gpu/drm/i915/i915_gem.c:1492: warning: No description found for parameter 'req' drivers/gpu/drm/i915/i915_gem.c:1516: warning: No description found for parameter 'obj' drivers/gpu/drm/i915/i915_gem.c:1516: warning: No description found for parameter 'readonly' drivers/gpu/drm/i915/i915_gem.c:1632: warning: No description found for parameter 'dev' drivers/gpu/drm/i915/i915_gem.c:1632: warning: No description found for parameter 'data' drivers/gpu/drm/i915/i915_gem.c:1632: warning: No description found for parameter 'file' drivers/gpu/drm/i915/i915_gem.c:1695: warning: No description found for parameter 'dev' drivers/gpu/drm/i915/i915_gem.c:1695: warning: No description found for parameter 'data' drivers/gpu/drm/i915/i915_gem.c:1695: warning: No description found for parameter 'file' drivers/gpu/drm/i915/i915_gem.c:1740: warning: No description found for parameter 'dev' drivers/gpu/drm/i915/i915_gem.c:1740: warning: No description found for parameter 'data' drivers/gpu/drm/i915/i915_gem.c:1740: warning: No description found for parameter 'file' drivers/gpu/drm/i915/i915_gem.c:2045: warning: No description found for parameter 'dev' drivers/gpu/drm/i915/i915_gem.c:2045: warning: No description found for parameter 'size' drivers/gpu/drm/i915/i915_gem.c:2045: warning: No description found for parameter 'tiling_mode' drivers/gpu/drm/i915/i915_gem.c:2045: warning: No description found for parameter 'fenced' drivers/gpu/drm/i915/i915_gem.c:2045: warning: Excess function parameter 'obj' description in 'i915_gem_get_gtt_alignment' drivers/gpu/drm/i915/i915_gem.c:3002: warning: No description found for parameter 'engine' drivers/gpu/drm/i915/i915_gem.c:3128: warning: No description found for parameter 'obj' drivers/gpu/drm/i915/i915_gem.c:3178: warning: No description found for parameter 'dev' drivers/gpu/drm/i915/i915_gem.c:3178: warning: No description found for parameter 'data' drivers/gpu/drm/i915/i915_gem.c:3178: warning: No description found for parameter 'file' drivers/gpu/drm/i915/i915_gem.c:3178: warning: Excess function parameter 'DRM_IOCTL_ARGS' description in 'i915_gem_wait_ioctl' drivers/gpu/drm/i915/i915_gem.c:3540: warning: No description found for parameter 'obj' drivers/gpu/drm/i915/i915_gem.c:3540: warning: No description found for parameter 'vm' drivers/gpu/drm/i915/i915_gem.c:3540: warning: No description found for parameter 'ggtt_view' drivers/gpu/drm/i915/i915_gem.c:3540: warning: No description found for parameter 'alignment' drivers/gpu/drm/i915/i915_gem.c:3540: warning: No description found for parameter 'flags' drivers/gpu/drm/i915/i915_gem.c:3796: warning: No description found for parameter 'obj' drivers/gpu/drm/i915/i915_gem.c:3796: warning: No description found for parameter 'write' drivers/gpu/drm/i915/i915_gem.c:3874: warning: No description found for parameter 'obj' drivers/gpu/drm/i915/i915_gem.c:3874: warning: No description found for parameter 'cache_level' drivers/gpu/drm/i915/i915_gem.c:4148: warning: No description found for parameter 'obj' drivers/gpu/drm/i915/i915_gem.c:4148: warning: No description found for parameter 'write' drivers/gpu/drm/i915/i915_cmd_parser.c:748: warning: No description found for parameter 'engine' drivers/gpu/drm/i915/i915_cmd_parser.c:748: warning: Excess function parameter 'ring' description in 'i915_cmd_parser_init_ring' drivers/gpu/drm/i915/i915_cmd_parser.c:838: warning: No description found for parameter 'engine' drivers/gpu/drm/i915/i915_cmd_parser.c:838: warning: Excess function parameter 'ring' description in 'i915_cmd_parser_fini_ring' drivers/gpu/drm/i915/i915_cmd_parser.c:1034: warning: No description found for parameter 'engine' drivers/gpu/drm/i915/i915_cmd_parser.c:1034: warning: Excess function parameter 'ring' description in 'i915_needs_cmd_parser' drivers/gpu/drm/i915/i915_cmd_parser.c:1186: warning: No description found for parameter 'engine' drivers/gpu/drm/i915/i915_cmd_parser.c:1186: warning: Excess function parameter 'ring' description in 'i915_parse_cmds' drivers/gpu/drm/i915/i915_cmd_parser.c:748: warning: No description found for parameter 'engine' drivers/gpu/drm/i915/i915_cmd_parser.c:748: warning: Excess function parameter 'ring' description in 'i915_cmd_parser_init_ring' drivers/gpu/drm/i915/i915_cmd_parser.c:838: warning: No description found for parameter 'engine' drivers/gpu/drm/i915/i915_cmd_parser.c:838: warning: Excess function parameter 'ring' description in 'i915_cmd_parser_fini_ring' drivers/gpu/drm/i915/i915_cmd_parser.c:1034: warning: No description found for parameter 'engine' drivers/gpu/drm/i915/i915_cmd_parser.c:1034: warning: Excess function parameter 'ring' description in 'i915_needs_cmd_parser' drivers/gpu/drm/i915/i915_cmd_parser.c:1186: warning: No description found for parameter 'engine' drivers/gpu/drm/i915/i915_cmd_parser.c:1186: warning: Excess function parameter 'ring' description in 'i915_parse_cmds' drivers/gpu/drm/i915/intel_lrc.c:316: warning: No description found for parameter 'engine' drivers/gpu/drm/i915/intel_lrc.c:316: warning: Excess function parameter 'ring' description in 'intel_lr_context_descriptor_update' drivers/gpu/drm/i915/intel_lrc.c:353: warning: No description found for parameter 'engine' drivers/gpu/drm/i915/intel_lrc.c:353: warning: Excess function parameter 'ring' description in 'intel_execlists_ctx_id' drivers/gpu/drm/i915/intel_lrc.c:544: warning: No description found for parameter 'data' drivers/gpu/drm/i915/intel_lrc.c:544: warning: Excess function parameter 'engine' description in 'intel_lrc_irq_handler' drivers/gpu/drm/i915/intel_lrc.c:938: warning: No description found for parameter 'params' drivers/gpu/drm/i915/intel_lrc.c:938: warning: Excess function parameter 'dev' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:938: warning: Excess function parameter 'file' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:938: warning: Excess function parameter 'ring' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:938: warning: Excess function parameter 'ctx' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:938: warning: Excess function parameter 'batch_obj' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:938: warning: Excess function parameter 'exec_start' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:938: warning: Excess function parameter 'dispatch_flags' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:1323: warning: No description found for parameter 'engine' drivers/gpu/drm/i915/intel_lrc.c:1323: warning: Excess function parameter 'ring' description in 'gen8_init_indirectctx_bb' drivers/gpu/drm/i915/intel_lrc.c:1386: warning: No description found for parameter 'engine' drivers/gpu/drm/i915/intel_lrc.c:1386: warning: Excess function parameter 'ring' description in 'gen8_init_perctx_bb' drivers/gpu/drm/i915/intel_lrc.c:2029: warning: No description found for parameter 'engine' drivers/gpu/drm/i915/intel_lrc.c:2029: warning: Excess function parameter 'ring' description in 'intel_logical_ring_cleanup' drivers/gpu/drm/i915/intel_lrc.c:2614: warning: No description found for parameter 'engine' drivers/gpu/drm/i915/intel_lrc.c:2614: warning: Excess function parameter 'ring' description in 'intel_lr_context_size' drivers/gpu/drm/i915/intel_lrc.c:2653: warning: No description found for parameter 'engine' drivers/gpu/drm/i915/intel_lrc.c:2653: warning: Excess function parameter 'ring' description in 'intel_lr_context_deferred_alloc' drivers/gpu/drm/i915/intel_lrc.c:316: warning: No description found for parameter 'engine' drivers/gpu/drm/i915/intel_lrc.c:316: warning: Excess function parameter 'ring' description in 'intel_lr_context_descriptor_update' drivers/gpu/drm/i915/intel_lrc.c:353: warning: No description found for parameter 'engine' drivers/gpu/drm/i915/intel_lrc.c:353: warning: Excess function parameter 'ring' description in 'intel_execlists_ctx_id' drivers/gpu/drm/i915/intel_lrc.c:544: warning: No description found for parameter 'data' drivers/gpu/drm/i915/intel_lrc.c:544: warning: Excess function parameter 'engine' description in 'intel_lrc_irq_handler' drivers/gpu/drm/i915/intel_lrc.c:938: warning: No description found for parameter 'params' drivers/gpu/drm/i915/intel_lrc.c:938: warning: Excess function parameter 'dev' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:938: warning: Excess function parameter 'file' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:938: warning: Excess function parameter 'ring' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:938: warning: Excess function parameter 'ctx' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:938: warning: Excess function parameter 'batch_obj' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:938: warning: Excess function parameter 'exec_start' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:938: warning: Excess function parameter 'dispatch_flags' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:1323: warning: No description found for parameter 'engine' drivers/gpu/drm/i915/intel_lrc.c:1323: warning: Excess function parameter 'ring' description in 'gen8_init_indirectctx_bb' drivers/gpu/drm/i915/intel_lrc.c:1386: warning: No description found for parameter 'engine' drivers/gpu/drm/i915/intel_lrc.c:1386: warning: Excess function parameter 'ring' description in 'gen8_init_perctx_bb' drivers/gpu/drm/i915/intel_lrc.c:2029: warning: No description found for parameter 'engine' vim +/i915 +780 drivers/gpu/drm/i915/i915_gem.c 4f0c7cfb Ben Widawsky 2012-04-16 764 vaddr = (void __force*)vaddr_atomic + page_offset; 4f0c7cfb Ben Widawsky 2012-04-16 765 unwritten = __copy_from_user_inatomic_nocache(vaddr, 0839ccb8 Keith Packard 2008-10-30 766 user_data, length); 3e4d3af5 Peter Zijlstra 2010-10-26 767 io_mapping_unmap_atomic(vaddr_atomic); fbd5a26d Chris Wilson 2010-10-14 768 return unwritten; 0839ccb8 Keith Packard 2008-10-30 769 } 0839ccb8 Keith Packard 2008-10-30 770 3de09aa3 Eric Anholt 2009-03-09 771 /** 3de09aa3 Eric Anholt 2009-03-09 772 * This is the fast pwrite path, where we copy the data directly from the 3de09aa3 Eric Anholt 2009-03-09 773 * user into the GTT, uncached. 3de09aa3 Eric Anholt 2009-03-09 774 */ 673a394b Eric Anholt 2008-07-30 775 static int 81e361f6 Ankitprasad Sharma 2016-04-20 776 i915_gem_gtt_pwrite_fast(struct drm_i915_private *i915, 05394f39 Chris Wilson 2010-11-08 777 struct drm_i915_gem_object *obj, 673a394b Eric Anholt 2008-07-30 778 struct drm_i915_gem_pwrite *args, 05394f39 Chris Wilson 2010-11-08 779 struct drm_file *file) 673a394b Eric Anholt 2008-07-30 @780 { 81e361f6 Ankitprasad Sharma 2016-04-20 781 struct i915_ggtt *ggtt = &i915->ggtt; 81e361f6 Ankitprasad Sharma 2016-04-20 782 struct drm_mm_node node; 81e361f6 Ankitprasad Sharma 2016-04-20 783 uint64_t remain, offset; 673a394b Eric Anholt 2008-07-30 784 char __user *user_data; 81e361f6 Ankitprasad Sharma 2016-04-20 785 int ret; 935aaa69 Daniel Vetter 2012-03-25 786 1ec9e26d Daniel Vetter 2014-02-14 787 ret = i915_gem_obj_ggtt_pin(obj, 0, PIN_MAPPABLE | PIN_NONBLOCK); 81e361f6 Ankitprasad Sharma 2016-04-20 788 if (ret) { :::::: The code at line 780 was first introduced by commit :::::: 673a394b1e3b69be886ff24abfd6df97c52e8d08 drm: Add GEM ("graphics execution manager") to i915 driver. :::::: TO: Eric Anholt <eric@xxxxxxxxxx> :::::: CC: Dave Airlie <airlied@xxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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