Hi Ankitprasad, [auto build test WARNING on drm-intel/for-linux-next] [also build test WARNING on v4.3 next-20151109] url: https://github.com/0day-ci/linux/commits/ankitprasad-r-sharma-intel-com/Support-for-mapping-an-object-page-by-page/20151109-191910 base: git://anongit.freedesktop.org/drm-intel for-linux-next reproduce: make htmldocs All warnings (new ones prefixed by >>): include/drm/drm_crtc.h:875: warning: No description found for parameter 'mutex' include/drm/drm_crtc.h:875: warning: No description found for parameter 'helper_private' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'tile_idr' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'delayed_event' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'edid_property' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'dpms_property' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'path_property' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'tile_property' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'plane_type_property' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'rotation_property' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'prop_src_x' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'prop_src_y' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'prop_src_w' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'prop_src_h' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'prop_crtc_x' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'prop_crtc_y' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'prop_crtc_w' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'prop_crtc_h' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'prop_fb_id' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'prop_crtc_id' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'prop_active' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'prop_mode_id' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'dvi_i_subconnector_property' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'dvi_i_select_subconnector_property' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'tv_subconnector_property' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'tv_select_subconnector_property' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'tv_mode_property' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'tv_left_margin_property' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'tv_right_margin_property' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'tv_top_margin_property' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'tv_bottom_margin_property' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'tv_brightness_property' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'tv_contrast_property' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'tv_flicker_reduction_property' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'tv_overscan_property' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'tv_saturation_property' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'tv_hue_property' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'scaling_mode_property' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'aspect_ratio_property' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'dirty_info_property' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'suggested_x_property' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'suggested_y_property' include/drm/drm_crtc.h:1160: warning: No description found for parameter 'allow_fb_modifiers' include/drm/drm_fb_helper.h:148: warning: No description found for parameter 'connector_info' include/drm/drm_dp_helper.h:709: warning: No description found for parameter 'i2c_nack_count' include/drm/drm_dp_helper.h:709: warning: No description found for parameter 'i2c_defer_count' drivers/gpu/drm/drm_dp_mst_topology.c:2211: warning: No description found for parameter 'connector' include/drm/drm_dp_mst_helper.h:97: warning: No description found for parameter 'cached_edid' include/drm/drm_dp_mst_helper.h:470: warning: No description found for parameter 'max_dpcd_transaction_bytes' include/drm/drm_dp_mst_helper.h:470: warning: No description found for parameter 'sink_count' include/drm/drm_dp_mst_helper.h:470: warning: No description found for parameter 'total_slots' include/drm/drm_dp_mst_helper.h:470: warning: No description found for parameter 'avail_slots' include/drm/drm_dp_mst_helper.h:470: warning: No description found for parameter 'total_pbn' include/drm/drm_dp_mst_helper.h:470: warning: No description found for parameter 'qlock' include/drm/drm_dp_mst_helper.h:470: warning: No description found for parameter 'tx_msg_downq' include/drm/drm_dp_mst_helper.h:470: warning: No description found for parameter 'tx_msg_upq' include/drm/drm_dp_mst_helper.h:470: warning: No description found for parameter 'tx_down_in_progress' include/drm/drm_dp_mst_helper.h:470: warning: No description found for parameter 'tx_up_in_progress' include/drm/drm_dp_mst_helper.h:470: warning: No description found for parameter 'payload_lock' include/drm/drm_dp_mst_helper.h:470: warning: No description found for parameter 'proposed_vcpis' include/drm/drm_dp_mst_helper.h:470: warning: No description found for parameter 'payloads' include/drm/drm_dp_mst_helper.h:470: warning: No description found for parameter 'payload_mask' include/drm/drm_dp_mst_helper.h:470: warning: No description found for parameter 'vcpi_mask' include/drm/drm_dp_mst_helper.h:470: warning: No description found for parameter 'tx_waitq' include/drm/drm_dp_mst_helper.h:470: warning: No description found for parameter 'work' include/drm/drm_dp_mst_helper.h:470: warning: No description found for parameter 'tx_work' include/drm/drm_dp_mst_helper.h:470: warning: No description found for parameter 'destroy_connector_list' include/drm/drm_dp_mst_helper.h:470: warning: No description found for parameter 'destroy_connector_lock' include/drm/drm_dp_mst_helper.h:470: warning: No description found for parameter 'destroy_connector_work' drivers/gpu/drm/drm_dp_mst_topology.c:2211: warning: No description found for parameter 'connector' drivers/gpu/drm/drm_irq.c:173: warning: No description found for parameter 'flags' include/drm/drmP.h:164: warning: No description found for parameter 'fmt' include/drm/drmP.h:180: warning: No description found for parameter 'fmt' include/drm/drmP.h:198: warning: No description found for parameter 'fmt' include/drm/drmP.h:238: warning: No description found for parameter 'dev' include/drm/drmP.h:238: warning: No description found for parameter 'data' include/drm/drmP.h:238: warning: No description found for parameter 'file_priv' include/drm/drmP.h:271: warning: No description found for parameter 'ioctl' include/drm/drmP.h:271: warning: No description found for parameter '_func' include/drm/drmP.h:271: warning: No description found for parameter '_flags' include/drm/drmP.h:344: warning: cannot understand function prototype: 'struct drm_lock_data ' include/drm/drmP.h:397: warning: cannot understand function prototype: 'struct drm_driver ' include/drm/drmP.h:648: warning: cannot understand function prototype: 'struct drm_info_list ' include/drm/drmP.h:658: warning: cannot understand function prototype: 'struct drm_info_node ' include/drm/drmP.h:668: warning: cannot understand function prototype: 'struct drm_minor ' include/drm/drmP.h:716: warning: cannot understand function prototype: 'struct drm_device ' drivers/gpu/drm/i915/i915_irq.c:2584: warning: No description found for parameter 'wedged' drivers/gpu/drm/i915/i915_irq.c:2584: warning: No description found for parameter 'fmt' drivers/gpu/drm/i915/i915_irq.c:2584: warning: No description found for parameter 'wedged' drivers/gpu/drm/i915/i915_irq.c:2584: warning: No description found for parameter 'fmt' drivers/gpu/drm/i915/i915_irq.c:2584: warning: No description found for parameter 'wedged' drivers/gpu/drm/i915/i915_irq.c:2584: warning: No description found for parameter 'fmt' drivers/gpu/drm/i915/i915_irq.c:2584: warning: No description found for parameter 'wedged' drivers/gpu/drm/i915/i915_irq.c:2584: warning: No description found for parameter 'fmt' drivers/gpu/drm/i915/i915_gem.c:421: warning: No description found for parameter 'dev' drivers/gpu/drm/i915/i915_gem.c:421: warning: No description found for parameter 'data' drivers/gpu/drm/i915/i915_gem.c:421: warning: No description found for parameter 'file' drivers/gpu/drm/i915/i915_gem.c:686: warning: No description found for parameter 'dev' drivers/gpu/drm/i915/i915_gem.c:686: warning: No description found for parameter 'data' drivers/gpu/drm/i915/i915_gem.c:686: warning: No description found for parameter 'file' >> drivers/gpu/drm/i915/i915_gem.c:767: warning: No description found for parameter 'i915' drivers/gpu/drm/i915/i915_gem.c:767: warning: No description found for parameter 'obj' drivers/gpu/drm/i915/i915_gem.c:767: warning: No description found for parameter 'args' drivers/gpu/drm/i915/i915_gem.c:767: warning: No description found for parameter 'file' drivers/gpu/drm/i915/i915_gem.c:1060: warning: No description found for parameter 'dev' drivers/gpu/drm/i915/i915_gem.c:1060: warning: No description found for parameter 'data' drivers/gpu/drm/i915/i915_gem.c:1060: warning: No description found for parameter 'file' drivers/gpu/drm/i915/i915_gem.c:1225: warning: No description found for parameter 'rps' drivers/gpu/drm/i915/i915_gem.c:1431: warning: No description found for parameter 'req' drivers/gpu/drm/i915/i915_gem.c:1466: warning: No description found for parameter 'obj' drivers/gpu/drm/i915/i915_gem.c:1466: warning: No description found for parameter 'readonly' drivers/gpu/drm/i915/i915_gem.c:1589: warning: No description found for parameter 'dev' drivers/gpu/drm/i915/i915_gem.c:1589: warning: No description found for parameter 'data' drivers/gpu/drm/i915/i915_gem.c:1589: warning: No description found for parameter 'file' drivers/gpu/drm/i915/i915_gem.c:1652: warning: No description found for parameter 'dev' drivers/gpu/drm/i915/i915_gem.c:1652: warning: No description found for parameter 'data' drivers/gpu/drm/i915/i915_gem.c:1652: warning: No description found for parameter 'file' drivers/gpu/drm/i915/i915_gem.c:1697: warning: No description found for parameter 'dev' drivers/gpu/drm/i915/i915_gem.c:1697: warning: No description found for parameter 'data' drivers/gpu/drm/i915/i915_gem.c:1697: warning: No description found for parameter 'file' drivers/gpu/drm/i915/i915_gem.c:1985: warning: No description found for parameter 'dev' drivers/gpu/drm/i915/i915_gem.c:1985: warning: No description found for parameter 'size' drivers/gpu/drm/i915/i915_gem.c:1985: warning: No description found for parameter 'tiling_mode' drivers/gpu/drm/i915/i915_gem.c:1985: warning: No description found for parameter 'fenced' drivers/gpu/drm/i915/i915_gem.c:1985: warning: Excess function parameter 'obj' description in 'i915_gem_get_gtt_alignment' drivers/gpu/drm/i915/i915_gem.c:2848: warning: No description found for parameter 'ring' drivers/gpu/drm/i915/i915_gem.c:2977: warning: No description found for parameter 'obj' drivers/gpu/drm/i915/i915_gem.c:3027: warning: No description found for parameter 'dev' drivers/gpu/drm/i915/i915_gem.c:3027: warning: No description found for parameter 'data' drivers/gpu/drm/i915/i915_gem.c:3027: warning: No description found for parameter 'file' drivers/gpu/drm/i915/i915_gem.c:3027: warning: Excess function parameter 'DRM_IOCTL_ARGS' description in 'i915_gem_wait_ioctl' drivers/gpu/drm/i915/i915_gem.c:3396: warning: No description found for parameter 'obj' drivers/gpu/drm/i915/i915_gem.c:3396: warning: No description found for parameter 'vm' drivers/gpu/drm/i915/i915_gem.c:3396: warning: No description found for parameter 'ggtt_view' drivers/gpu/drm/i915/i915_gem.c:3396: warning: No description found for parameter 'alignment' drivers/gpu/drm/i915/i915_gem.c:3396: warning: No description found for parameter 'flags' drivers/gpu/drm/i915/i915_gem.c:3631: warning: No description found for parameter 'obj' drivers/gpu/drm/i915/i915_gem.c:3631: warning: No description found for parameter 'write' drivers/gpu/drm/i915/i915_gem.c:3706: warning: No description found for parameter 'obj' drivers/gpu/drm/i915/i915_gem.c:3706: warning: No description found for parameter 'cache_level' drivers/gpu/drm/i915/i915_gem.c:3980: warning: No description found for parameter 'obj' drivers/gpu/drm/i915/i915_gem.c:3980: warning: No description found for parameter 'write' drivers/gpu/drm/i915/intel_lrc.c:869: warning: No description found for parameter 'params' drivers/gpu/drm/i915/intel_lrc.c:869: warning: Excess function parameter 'dev' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:869: warning: Excess function parameter 'file' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:869: warning: Excess function parameter 'ring' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:869: warning: Excess function parameter 'ctx' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:869: warning: Excess function parameter 'batch_obj' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:869: warning: Excess function parameter 'exec_start' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:869: warning: Excess function parameter 'dispatch_flags' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:869: warning: No description found for parameter 'params' drivers/gpu/drm/i915/intel_lrc.c:869: warning: Excess function parameter 'dev' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:869: warning: Excess function parameter 'file' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:869: warning: Excess function parameter 'ring' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:869: warning: Excess function parameter 'ctx' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:869: warning: Excess function parameter 'batch_obj' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:869: warning: Excess function parameter 'exec_start' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:869: warning: Excess function parameter 'dispatch_flags' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_guc_loader.c:1: warning: no structured comments found Was looking for 'GuC-specific firmware loader'. drivers/gpu/drm/i915/i915_guc_submission.c:598: warning: No description found for parameter 'rq' drivers/gpu/drm/i915/i915_guc_submission.c:598: warning: Excess function parameter 'ctx' description in 'i915_guc_submit' drivers/gpu/drm/i915/i915_guc_submission.c:598: warning: Excess function parameter 'ring' description in 'i915_guc_submit' drivers/gpu/drm/i915/i915_guc_submission.c:741: warning: No description found for parameter 'ctx' drivers/gpu/drm/i915/i915_guc_submission.c:1: warning: no structured comments found Was looking for 'GuC-based command submissison'. drivers/gpu/drm/i915/i915_guc_submission.c:598: warning: No description found for parameter 'rq' drivers/gpu/drm/i915/i915_guc_submission.c:598: warning: Excess function parameter 'ctx' description in 'i915_guc_submit' drivers/gpu/drm/i915/i915_guc_submission.c:598: warning: Excess function parameter 'ring' description in 'i915_guc_submit' drivers/gpu/drm/i915/i915_guc_submission.c:741: warning: No description found for parameter 'ctx' Warning: didn't use docs for i915_hotplug_interrupt_update Warning: didn't use docs for ilk_update_display_irq Warning: didn't use docs for ilk_update_gt_irq Warning: didn't use docs for snb_update_pm_irq Warning: didn't use docs for bdw_update_port_irq Warning: didn't use docs for ibx_display_interrupt_update Warning: didn't use docs for i915_enable_asle_pipestat Warning: didn't use docs for ivybridge_parity_work Warning: didn't use docs for i915_reset_and_wakeup Warning: didn't use docs for i915_handle_error Warning: didn't use docs for intel_irq_install Warning: didn't use docs for intel_irq_uninstall vim +/i915 +767 drivers/gpu/drm/i915/i915_gem.c 4f0c7cfb Ben Widawsky 2012-04-16 751 vaddr = (void __force*)vaddr_atomic + page_offset; 4f0c7cfb Ben Widawsky 2012-04-16 752 unwritten = __copy_from_user_inatomic_nocache(vaddr, 0839ccb8 Keith Packard 2008-10-30 753 user_data, length); 3e4d3af5 Peter Zijlstra 2010-10-26 754 io_mapping_unmap_atomic(vaddr_atomic); fbd5a26d Chris Wilson 2010-10-14 755 return unwritten; 0839ccb8 Keith Packard 2008-10-30 756 } 0839ccb8 Keith Packard 2008-10-30 757 3de09aa3 Eric Anholt 2009-03-09 758 /** 3de09aa3 Eric Anholt 2009-03-09 759 * This is the fast pwrite path, where we copy the data directly from the 3de09aa3 Eric Anholt 2009-03-09 760 * user into the GTT, uncached. 3de09aa3 Eric Anholt 2009-03-09 761 */ 673a394b Eric Anholt 2008-07-30 762 static int 25ec998a Ankitprasad Sharma 2015-11-09 763 i915_gem_gtt_pwrite_fast(struct drm_i915_private *i915, 05394f39 Chris Wilson 2010-11-08 764 struct drm_i915_gem_object *obj, 673a394b Eric Anholt 2008-07-30 765 struct drm_i915_gem_pwrite *args, 05394f39 Chris Wilson 2010-11-08 766 struct drm_file *file) 673a394b Eric Anholt 2008-07-30 @767 { 25ec998a Ankitprasad Sharma 2015-11-09 768 struct drm_mm_node node; 25ec998a Ankitprasad Sharma 2015-11-09 769 uint64_t remain, offset; 673a394b Eric Anholt 2008-07-30 770 char __user *user_data; 25ec998a Ankitprasad Sharma 2015-11-09 771 int ret; 935aaa69 Daniel Vetter 2012-03-25 772 1ec9e26d Daniel Vetter 2014-02-14 773 ret = i915_gem_obj_ggtt_pin(obj, 0, PIN_MAPPABLE | PIN_NONBLOCK); 25ec998a Ankitprasad Sharma 2015-11-09 774 if (ret) { 25ec998a Ankitprasad Sharma 2015-11-09 775 memset(&node, 0, sizeof(node)); :::::: The code at line 767 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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