Hi Paulo, [auto build test WARNING on drm-intel/for-linux-next] [also build test WARNING on next-20160321] [cannot apply to v4.5] [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/Paulo-Zanoni/Enable-FBC-on-SKL/20160322-045829 base: git://anongit.freedesktop.org/drm-intel for-linux-next reproduce: make htmldocs All warnings (new ones prefixed by >>): include/drm/drm_crtc.h:776: warning: No description found for parameter 'name' include/drm/drm_crtc.h:1235: warning: No description found for parameter 'connector_id' include/drm/drm_crtc.h:1235: warning: No description found for parameter 'tile_blob_ptr' include/drm/drm_crtc.h:1274: warning: No description found for parameter 'rotation' include/drm/drm_crtc.h:1536: warning: No description found for parameter 'name' include/drm/drm_crtc.h:1536: warning: No description found for parameter 'mutex' include/drm/drm_crtc.h:1536: warning: No description found for parameter 'helper_private' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'tile_idr' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'connector_ida' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'delayed_event' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'edid_property' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'dpms_property' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'path_property' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'tile_property' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'plane_type_property' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'rotation_property' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'prop_src_x' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'prop_src_y' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'prop_src_w' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'prop_src_h' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'prop_crtc_x' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'prop_crtc_y' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'prop_crtc_w' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'prop_crtc_h' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'prop_fb_id' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'prop_crtc_id' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'prop_active' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'prop_mode_id' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'dvi_i_subconnector_property' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'dvi_i_select_subconnector_property' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'tv_subconnector_property' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'tv_select_subconnector_property' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'tv_mode_property' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'tv_left_margin_property' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'tv_right_margin_property' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'tv_top_margin_property' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'tv_bottom_margin_property' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'tv_brightness_property' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'tv_contrast_property' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'tv_flicker_reduction_property' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'tv_overscan_property' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'tv_saturation_property' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'tv_hue_property' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'scaling_mode_property' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'aspect_ratio_property' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'dirty_info_property' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'suggested_x_property' include/drm/drm_crtc.h:2146: warning: No description found for parameter 'suggested_y_property' include/drm/drm_crtc.h:2146: 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: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:2286: warning: No description found for parameter 'resume' drivers/gpu/drm/i915/intel_runtime_pm.c:2286: warning: No description found for parameter 'resume' drivers/gpu/drm/i915/i915_irq.c:2665: warning: No description found for parameter 'wedged' drivers/gpu/drm/i915/i915_irq.c:2665: warning: No description found for parameter 'fmt' drivers/gpu/drm/i915/i915_irq.c:2665: warning: No description found for parameter 'wedged' drivers/gpu/drm/i915/i915_irq.c:2665: warning: No description found for parameter 'fmt' drivers/gpu/drm/i915/i915_irq.c:2665: warning: No description found for parameter 'wedged' drivers/gpu/drm/i915/i915_irq.c:2665: warning: No description found for parameter 'fmt' drivers/gpu/drm/i915/i915_irq.c:2665: warning: No description found for parameter 'wedged' drivers/gpu/drm/i915/i915_irq.c:2665: warning: No description found for parameter 'fmt' >> drivers/gpu/drm/i915/intel_frontbuffer.c:261: warning: No description found for parameter 'flags' >> drivers/gpu/drm/i915/intel_frontbuffer.c:261: warning: No description found for parameter 'flags' 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 'dev' 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:1029: warning: No description found for parameter 'dev' drivers/gpu/drm/i915/i915_gem.c:1029: warning: No description found for parameter 'data' drivers/gpu/drm/i915/i915_gem.c:1029: warning: No description found for parameter 'file' drivers/gpu/drm/i915/i915_gem.c:1245: warning: No description found for parameter 'rps' drivers/gpu/drm/i915/i915_gem.c:1461: warning: No description found for parameter 'req' drivers/gpu/drm/i915/i915_gem.c:1496: warning: No description found for parameter 'obj' drivers/gpu/drm/i915/i915_gem.c:1496: warning: No description found for parameter 'readonly' drivers/gpu/drm/i915/i915_gem.c:1619: warning: No description found for parameter 'dev' drivers/gpu/drm/i915/i915_gem.c:1619: warning: No description found for parameter 'data' drivers/gpu/drm/i915/i915_gem.c:1619: warning: No description found for parameter 'file' drivers/gpu/drm/i915/i915_gem.c:1682: warning: No description found for parameter 'dev' drivers/gpu/drm/i915/i915_gem.c:1682: warning: No description found for parameter 'data' drivers/gpu/drm/i915/i915_gem.c:1682: warning: No description found for parameter 'file' drivers/gpu/drm/i915/i915_gem.c:1729: warning: No description found for parameter 'dev' drivers/gpu/drm/i915/i915_gem.c:1729: warning: No description found for parameter 'data' drivers/gpu/drm/i915/i915_gem.c:1729: warning: No description found for parameter 'file' drivers/gpu/drm/i915/i915_gem.c:2019: warning: No description found for parameter 'dev' drivers/gpu/drm/i915/i915_gem.c:2019: warning: No description found for parameter 'size' drivers/gpu/drm/i915/i915_gem.c:2019: warning: No description found for parameter 'tiling_mode' drivers/gpu/drm/i915/i915_gem.c:2019: warning: No description found for parameter 'fenced' drivers/gpu/drm/i915/i915_gem.c:2019: warning: Excess function parameter 'obj' description in 'i915_gem_get_gtt_alignment' drivers/gpu/drm/i915/i915_gem.c:2919: warning: No description found for parameter 'ring' drivers/gpu/drm/i915/i915_gem.c:3050: warning: No description found for parameter 'obj' drivers/gpu/drm/i915/i915_gem.c:3100: warning: No description found for parameter 'dev' drivers/gpu/drm/i915/i915_gem.c:3100: warning: No description found for parameter 'data' drivers/gpu/drm/i915/i915_gem.c:3100: warning: No description found for parameter 'file' drivers/gpu/drm/i915/i915_gem.c:3100: warning: Excess function parameter 'DRM_IOCTL_ARGS' description in 'i915_gem_wait_ioctl' drivers/gpu/drm/i915/i915_gem.c:3472: warning: No description found for parameter 'obj' drivers/gpu/drm/i915/i915_gem.c:3472: warning: No description found for parameter 'vm' drivers/gpu/drm/i915/i915_gem.c:3472: warning: No description found for parameter 'ggtt_view' drivers/gpu/drm/i915/i915_gem.c:3472: warning: No description found for parameter 'alignment' drivers/gpu/drm/i915/i915_gem.c:3472: warning: No description found for parameter 'flags' drivers/gpu/drm/i915/i915_gem.c:3727: warning: No description found for parameter 'obj' drivers/gpu/drm/i915/i915_gem.c:3727: warning: No description found for parameter 'write' drivers/gpu/drm/i915/i915_gem.c:3802: warning: No description found for parameter 'obj' drivers/gpu/drm/i915/i915_gem.c:3802: warning: No description found for parameter 'cache_level' drivers/gpu/drm/i915/i915_gem.c:4076: warning: No description found for parameter 'obj' drivers/gpu/drm/i915/i915_gem.c:4076: warning: No description found for parameter 'write' drivers/gpu/drm/i915/intel_lrc.c:936: warning: No description found for parameter 'params' drivers/gpu/drm/i915/intel_lrc.c:936: warning: Excess function parameter 'dev' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:936: warning: Excess function parameter 'file' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:936: warning: Excess function parameter 'ring' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:936: warning: Excess function parameter 'ctx' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:936: warning: Excess function parameter 'batch_obj' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:936: warning: Excess function parameter 'exec_start' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:936: warning: Excess function parameter 'dispatch_flags' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:936: warning: No description found for parameter 'params' drivers/gpu/drm/i915/intel_lrc.c:936: warning: Excess function parameter 'dev' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:936: warning: Excess function parameter 'file' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:936: warning: Excess function parameter 'ring' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:936: warning: Excess function parameter 'ctx' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:936: warning: Excess function parameter 'batch_obj' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:936: warning: Excess function parameter 'exec_start' description in 'intel_execlists_submission' drivers/gpu/drm/i915/intel_lrc.c:936: 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 +/flags +261 drivers/gpu/drm/i915/intel_frontbuffer.c 245 /** 246 * intel_fb_obj_mmap_wa - notifies about objects being mmapped 247 * @obj: GEM object being mmapped 248 * 249 * This function gets called whenever an object gets mmapped. Not every user 250 * space application follows the protocol assumed by the frontbuffer tracking 251 * subsystem when it was created, so this mmap notify callback can be used to 252 * completely disable frontbuffer features such as FBC and PSR. Even if at some 253 * point we fix ever user space application, there's still the possibility that 254 * the user may have a new Kernel with the old user space. 255 * 256 * Also notice that there's no munmap API because user space calls munmap() 257 * directly. Even if we had, it probably wouldn't help since munmap() calls are 258 * not common. 259 */ 260 void intel_fb_obj_mmap_wa(struct drm_i915_gem_object *obj, unsigned int flags) > 261 { 262 struct drm_i915_private *dev_priv = obj->base.dev->dev_private; 263 264 if (!IS_GEN9(dev_priv)) 265 return; 266 267 obj->fb_mmap_wa_flags |= flags; 268 269 if (!obj->frontbuffer_bits) --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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