Hi Ankitprasad, [auto build test WARNING on drm-intel/for-linux-next] [also build test WARNING on v4.5-rc2 next-20160204] [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/20160204-175614 base: git://anongit.freedesktop.org/drm-intel for-linux-next reproduce: make htmldocs All warnings (new ones prefixed by >>): include/drm/drm_crtc.h:1533: warning: No description found for parameter 'mutex' include/drm/drm_crtc.h:1533: warning: No description found for parameter 'helper_private' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'tile_idr' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'delayed_event' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'edid_property' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'dpms_property' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'path_property' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'tile_property' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'plane_type_property' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'rotation_property' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'prop_src_x' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'prop_src_y' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'prop_src_w' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'prop_src_h' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'prop_crtc_x' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'prop_crtc_y' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'prop_crtc_w' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'prop_crtc_h' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'prop_fb_id' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'prop_crtc_id' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'prop_active' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'prop_mode_id' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'dvi_i_subconnector_property' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'dvi_i_select_subconnector_property' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'tv_subconnector_property' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'tv_select_subconnector_property' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'tv_mode_property' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'tv_left_margin_property' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'tv_right_margin_property' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'tv_top_margin_property' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'tv_bottom_margin_property' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'tv_brightness_property' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'tv_contrast_property' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'tv_flicker_reduction_property' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'tv_overscan_property' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'tv_saturation_property' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'tv_hue_property' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'scaling_mode_property' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'aspect_ratio_property' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'dirty_info_property' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'suggested_x_property' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'suggested_y_property' include/drm/drm_crtc.h:2142: warning: No description found for parameter 'allow_fb_modifiers' 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:2305: warning: No description found for parameter 'connector' include/drm/drm_dp_mst_helper.h:98: warning: No description found for parameter 'cached_edid' include/drm/drm_dp_mst_helper.h:98: warning: No description found for parameter 'has_audio' include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'max_dpcd_transaction_bytes' include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'sink_count' include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'total_slots' include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'avail_slots' include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'total_pbn' include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'qlock' include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'tx_msg_downq' include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'tx_down_in_progress' include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'payload_lock' include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'proposed_vcpis' include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'payloads' include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'payload_mask' include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'vcpi_mask' include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'tx_waitq' include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'work' include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'tx_work' include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'destroy_connector_list' include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'destroy_connector_lock' include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'destroy_connector_work' drivers/gpu/drm/drm_dp_mst_topology.c:2305: 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:360: warning: cannot understand function prototype: 'struct drm_lock_data ' include/drm/drmP.h:413: warning: cannot understand function prototype: 'struct drm_driver ' include/drm/drmP.h:670: warning: cannot understand function prototype: 'struct drm_info_list ' include/drm/drmP.h:680: warning: cannot understand function prototype: 'struct drm_info_node ' include/drm/drmP.h:690: warning: cannot understand function prototype: 'struct drm_minor ' include/drm/drmP.h:738: warning: cannot understand function prototype: 'struct drm_device ' drivers/gpu/drm/i915/intel_runtime_pm.c:2173: warning: No description found for parameter 'resume' drivers/gpu/drm/i915/intel_runtime_pm.c:2173: warning: No description found for parameter 'resume' drivers/gpu/drm/i915/i915_irq.c:2659: warning: No description found for parameter 'wedged' drivers/gpu/drm/i915/i915_irq.c:2659: warning: No description found for parameter 'fmt' drivers/gpu/drm/i915/i915_irq.c:2659: warning: No description found for parameter 'wedged' drivers/gpu/drm/i915/i915_irq.c:2659: warning: No description found for parameter 'fmt' drivers/gpu/drm/i915/i915_irq.c:2659: warning: No description found for parameter 'wedged' drivers/gpu/drm/i915/i915_irq.c:2659: warning: No description found for parameter 'fmt' drivers/gpu/drm/i915/i915_irq.c:2659: warning: No description found for parameter 'wedged' drivers/gpu/drm/i915/i915_irq.c:2659: warning: No description found for parameter 'fmt' drivers/gpu/drm/i915/i915_gem.c:439: warning: No description found for parameter 'dev' drivers/gpu/drm/i915/i915_gem.c:439: warning: No description found for parameter 'data' drivers/gpu/drm/i915/i915_gem.c:439: warning: No description found for parameter 'file' drivers/gpu/drm/i915/i915_gem.c:704: warning: No description found for parameter 'dev' drivers/gpu/drm/i915/i915_gem.c:704: warning: No description found for parameter 'data' drivers/gpu/drm/i915/i915_gem.c:704: warning: No description found for parameter 'file' >> drivers/gpu/drm/i915/i915_gem.c:785: warning: No description found for parameter 'i915' drivers/gpu/drm/i915/i915_gem.c:785: warning: No description found for parameter 'obj' drivers/gpu/drm/i915/i915_gem.c:785: warning: No description found for parameter 'args' drivers/gpu/drm/i915/i915_gem.c:785: warning: No description found for parameter 'file' drivers/gpu/drm/i915/i915_gem.c:1077: warning: No description found for parameter 'dev' drivers/gpu/drm/i915/i915_gem.c:1077: warning: No description found for parameter 'data' drivers/gpu/drm/i915/i915_gem.c:1077: warning: No description found for parameter 'file' drivers/gpu/drm/i915/i915_gem.c:1293: warning: No description found for parameter 'rps' drivers/gpu/drm/i915/i915_gem.c:1509: warning: No description found for parameter 'req' drivers/gpu/drm/i915/i915_gem.c:1544: warning: No description found for parameter 'obj' drivers/gpu/drm/i915/i915_gem.c:1544: warning: No description found for parameter 'readonly' drivers/gpu/drm/i915/i915_gem.c:1667: warning: No description found for parameter 'dev' drivers/gpu/drm/i915/i915_gem.c:1667: warning: No description found for parameter 'data' drivers/gpu/drm/i915/i915_gem.c:1667: warning: No description found for parameter 'file' drivers/gpu/drm/i915/i915_gem.c:1730: warning: No description found for parameter 'dev' drivers/gpu/drm/i915/i915_gem.c:1730: warning: No description found for parameter 'data' drivers/gpu/drm/i915/i915_gem.c:1730: warning: No description found for parameter 'file' drivers/gpu/drm/i915/i915_gem.c:1775: warning: No description found for parameter 'dev' drivers/gpu/drm/i915/i915_gem.c:1775: warning: No description found for parameter 'data' drivers/gpu/drm/i915/i915_gem.c:1775: warning: No description found for parameter 'file' drivers/gpu/drm/i915/i915_gem.c:2063: warning: No description found for parameter 'dev' drivers/gpu/drm/i915/i915_gem.c:2063: warning: No description found for parameter 'size' drivers/gpu/drm/i915/i915_gem.c:2063: warning: No description found for parameter 'tiling_mode' drivers/gpu/drm/i915/i915_gem.c:2063: warning: No description found for parameter 'fenced' drivers/gpu/drm/i915/i915_gem.c:2063: warning: Excess function parameter 'obj' description in 'i915_gem_get_gtt_alignment' drivers/gpu/drm/i915/i915_gem.c:2962: warning: No description found for parameter 'ring' drivers/gpu/drm/i915/i915_gem.c:3095: warning: No description found for parameter 'obj' drivers/gpu/drm/i915/i915_gem.c:3145: warning: No description found for parameter 'dev' drivers/gpu/drm/i915/i915_gem.c:3145: warning: No description found for parameter 'data' drivers/gpu/drm/i915/i915_gem.c:3145: warning: No description found for parameter 'file' drivers/gpu/drm/i915/i915_gem.c:3145: warning: Excess function parameter 'DRM_IOCTL_ARGS' description in 'i915_gem_wait_ioctl' drivers/gpu/drm/i915/i915_gem.c:3518: warning: No description found for parameter 'obj' drivers/gpu/drm/i915/i915_gem.c:3518: warning: No description found for parameter 'vm' drivers/gpu/drm/i915/i915_gem.c:3518: warning: No description found for parameter 'ggtt_view' drivers/gpu/drm/i915/i915_gem.c:3518: warning: No description found for parameter 'alignment' drivers/gpu/drm/i915/i915_gem.c:3518: warning: No description found for parameter 'flags' drivers/gpu/drm/i915/i915_gem.c:3773: warning: No description found for parameter 'obj' drivers/gpu/drm/i915/i915_gem.c:3773: warning: No description found for parameter 'write' drivers/gpu/drm/i915/i915_gem.c:3848: warning: No description found for parameter 'obj' drivers/gpu/drm/i915/i915_gem.c:3848: warning: No description found for parameter 'cache_level' drivers/gpu/drm/i915/i915_gem.c:4122: warning: No description found for parameter 'obj' drivers/gpu/drm/i915/i915_gem.c:4122: warning: No description found for parameter 'write' drivers/gpu/drm/i915/intel_lrc.c:935: warning: No description found for parameter 'params' drivers/gpu/drm/i915/intel_lrc.c:935: warning: Excess function parameter 'dev' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:935: warning: Excess function parameter 'file' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:935: warning: Excess function parameter 'ring' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:935: warning: Excess function parameter 'ctx' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:935: warning: Excess function parameter 'batch_obj' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:935: warning: Excess function parameter 'exec_start' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:935: warning: Excess function parameter 'dispatch_flags' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:935: warning: No description found for parameter 'params' drivers/gpu/drm/i915/intel_lrc.c:935: warning: Excess function parameter 'dev' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:935: warning: Excess function parameter 'file' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:935: warning: Excess function parameter 'ring' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:935: warning: Excess function parameter 'ctx' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:935: warning: Excess function parameter 'batch_obj' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:935: warning: Excess function parameter 'exec_start' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:935: warning: Excess function parameter 'dispatch_flags' description in 'intel_execlists_submission' 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 bdw_update_pipe_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 +785 drivers/gpu/drm/i915/i915_gem.c 4f0c7cfb Ben Widawsky 2012-04-16 769 vaddr = (void __force*)vaddr_atomic + page_offset; 4f0c7cfb Ben Widawsky 2012-04-16 770 unwritten = __copy_from_user_inatomic_nocache(vaddr, 0839ccb8 Keith Packard 2008-10-30 771 user_data, length); 3e4d3af5 Peter Zijlstra 2010-10-26 772 io_mapping_unmap_atomic(vaddr_atomic); fbd5a26d Chris Wilson 2010-10-14 773 return unwritten; 0839ccb8 Keith Packard 2008-10-30 774 } 0839ccb8 Keith Packard 2008-10-30 775 3de09aa3 Eric Anholt 2009-03-09 776 /** 3de09aa3 Eric Anholt 2009-03-09 777 * This is the fast pwrite path, where we copy the data directly from the 3de09aa3 Eric Anholt 2009-03-09 778 * user into the GTT, uncached. 3de09aa3 Eric Anholt 2009-03-09 779 */ 673a394b Eric Anholt 2008-07-30 780 static int 65858e3c Ankitprasad Sharma 2016-02-04 781 i915_gem_gtt_pwrite_fast(struct drm_i915_private *i915, 05394f39 Chris Wilson 2010-11-08 782 struct drm_i915_gem_object *obj, 673a394b Eric Anholt 2008-07-30 783 struct drm_i915_gem_pwrite *args, 05394f39 Chris Wilson 2010-11-08 784 struct drm_file *file) 673a394b Eric Anholt 2008-07-30 @785 { 65858e3c Ankitprasad Sharma 2016-02-04 786 struct drm_mm_node node; 65858e3c Ankitprasad Sharma 2016-02-04 787 uint64_t remain, offset; 673a394b Eric Anholt 2008-07-30 788 char __user *user_data; 65858e3c Ankitprasad Sharma 2016-02-04 789 int ret; 935aaa69 Daniel Vetter 2012-03-25 790 1ec9e26d Daniel Vetter 2014-02-14 791 ret = i915_gem_obj_ggtt_pin(obj, 0, PIN_MAPPABLE | PIN_NONBLOCK); 65858e3c Ankitprasad Sharma 2016-02-04 792 if (ret) { 65858e3c Ankitprasad Sharma 2016-02-04 793 ret = insert_mappable_node(i915, &node, PAGE_SIZE); :::::: The code at line 785 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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