Hi Shashank, [auto build test WARNING on drm-intel/for-linux-next] [also build test WARNING on v4.8-rc3 next-20160823] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] [Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on] [Check https://git-scm.com/docs/git-format-patch for more information] url: https://github.com/0day-ci/linux/commits/Shashank-Sharma/Enable-lspcon-support-for-GEN9-devices/20160818-183353 base: git://anongit.freedesktop.org/drm-intel for-linux-next reproduce: make htmldocs All warnings (new ones prefixed by >>): include/drm/drm_fourcc.h:1: warning: no structured comments found include/drm/drm_crtc.h:848: warning: No description found for parameter 'index' include/drm/drm_crtc.h:1223: warning: No description found for parameter 'index' include/drm/drm_crtc.h:1720: warning: No description found for parameter 'index' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'connector_ida' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'edid_property' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'dpms_property' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'path_property' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'tile_property' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'plane_type_property' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'rotation_property' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'prop_src_x' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'prop_src_y' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'prop_src_w' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'prop_src_h' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'prop_crtc_x' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'prop_crtc_y' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'prop_crtc_w' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'prop_crtc_h' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'prop_fb_id' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'prop_crtc_id' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'prop_active' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'prop_mode_id' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'dvi_i_subconnector_property' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'dvi_i_select_subconnector_property' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'tv_subconnector_property' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'tv_select_subconnector_property' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'tv_mode_property' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'tv_left_margin_property' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'tv_right_margin_property' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'tv_top_margin_property' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'tv_bottom_margin_property' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'tv_brightness_property' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'tv_contrast_property' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'tv_flicker_reduction_property' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'tv_overscan_property' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'tv_saturation_property' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'tv_hue_property' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'scaling_mode_property' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'aspect_ratio_property' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'dirty_info_property' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'suggested_x_property' include/drm/drm_crtc.h:2505: warning: No description found for parameter 'suggested_y_property' include/drm/drmP.h:172: warning: No description found for parameter 'fmt' include/drm/drmP.h:188: warning: No description found for parameter 'fmt' include/drm/drmP.h:206: warning: No description found for parameter 'fmt' include/drm/drmP.h:251: warning: No description found for parameter 'dev' include/drm/drmP.h:251: warning: No description found for parameter 'data' include/drm/drmP.h:251: warning: No description found for parameter 'file_priv' include/drm/drmP.h:284: warning: No description found for parameter 'ioctl' include/drm/drmP.h:284: warning: No description found for parameter '_func' include/drm/drmP.h:284: warning: No description found for parameter '_flags' include/drm/drmP.h:365: warning: cannot understand function prototype: 'struct drm_lock_data ' include/drm/drmP.h:392: warning: cannot understand function prototype: 'struct drm_driver ' include/drm/drmP.h:655: warning: cannot understand function prototype: 'struct drm_info_list ' include/drm/drmP.h:665: warning: cannot understand function prototype: 'struct drm_info_node ' include/drm/drmP.h:675: warning: cannot understand function prototype: 'struct drm_minor ' include/drm/drmP.h:720: warning: cannot understand function prototype: 'struct drm_device ' include/drm/drm_dp_helper.h:752: warning: No description found for parameter 'i2c_nack_count' include/drm/drm_dp_helper.h:752: warning: No description found for parameter 'i2c_defer_count' >> drivers/gpu/drm/drm_dp_dual_mode_helper.c:390: warning: No description found for parameter 'adapter' >> drivers/gpu/drm/drm_dp_dual_mode_helper.c:390: warning: No description found for parameter 'mode' >> drivers/gpu/drm/drm_dp_dual_mode_helper.c:390: warning: Excess function parameter 'i2c_adapter' description in 'drm_lspcon_get_mode' >> drivers/gpu/drm/drm_dp_dual_mode_helper.c:390: warning: Excess function parameter 'current_mode' description in 'drm_lspcon_get_mode' drivers/gpu/drm/drm_dp_dual_mode_helper.c:426: warning: No description found for parameter 'adapter' drivers/gpu/drm/drm_dp_dual_mode_helper.c:426: warning: No description found for parameter 'mode' >> drivers/gpu/drm/drm_dp_dual_mode_helper.c:426: warning: Excess function parameter 'i2c_adapter' description in 'drm_lspcon_set_mode' >> drivers/gpu/drm/drm_dp_dual_mode_helper.c:426: warning: Excess function parameter 'reqd_mode' description in 'drm_lspcon_set_mode' >> include/drm/drm_dp_dual_mode_helper.h:84: warning: Enum value 'DRM_LSPCON_MODE_INVALID' not described in enum 'drm_lspcon_mode' >> include/drm/drm_dp_dual_mode_helper.h:84: warning: Enum value 'DRM_LSPCON_MODE_LS' not described in enum 'drm_lspcon_mode' >> include/drm/drm_dp_dual_mode_helper.h:84: warning: Enum value 'DRM_LSPCON_MODE_PCON' not described in enum 'drm_lspcon_mode' >> include/drm/drm_dp_dual_mode_helper.h:104: warning: Enum value 'DRM_DP_DUAL_MODE_LSPCON' not described in enum 'drm_dp_dual_mode_type' drivers/gpu/drm/drm_dp_dual_mode_helper.c:391: warning: No description found for parameter 'adapter' drivers/gpu/drm/drm_dp_dual_mode_helper.c:391: warning: No description found for parameter 'mode' drivers/gpu/drm/drm_dp_dual_mode_helper.c:391: warning: Excess function parameter 'i2c_adapter' description in 'drm_lspcon_get_mode' drivers/gpu/drm/drm_dp_dual_mode_helper.c:391: warning: Excess function parameter 'current_mode' description in 'drm_lspcon_get_mode' drivers/gpu/drm/drm_dp_dual_mode_helper.c:427: warning: No description found for parameter 'adapter' drivers/gpu/drm/drm_dp_dual_mode_helper.c:427: warning: No description found for parameter 'mode' drivers/gpu/drm/drm_dp_dual_mode_helper.c:427: warning: Excess function parameter 'i2c_adapter' description in 'drm_lspcon_set_mode' drivers/gpu/drm/drm_dp_dual_mode_helper.c:427: warning: Excess function parameter 'reqd_mode' description in 'drm_lspcon_set_mode' drivers/gpu/drm/drm_dp_mst_topology.c:2383: warning: No description found for parameter 'connector' include/drm/drm_dp_mst_helper.h:93: warning: No description found for parameter 'cached_edid' include/drm/drm_dp_mst_helper.h:93: warning: No description found for parameter 'has_audio' include/drm/drm_dp_mst_helper.h:467: warning: No description found for parameter 'max_dpcd_transaction_bytes' include/drm/drm_dp_mst_helper.h:467: warning: No description found for parameter 'sink_count' include/drm/drm_dp_mst_helper.h:467: warning: No description found for parameter 'total_slots' include/drm/drm_dp_mst_helper.h:467: warning: No description found for parameter 'avail_slots' include/drm/drm_dp_mst_helper.h:467: warning: No description found for parameter 'total_pbn' include/drm/drm_dp_mst_helper.h:467: warning: No description found for parameter 'qlock' include/drm/drm_dp_mst_helper.h:467: warning: No description found for parameter 'tx_msg_downq' include/drm/drm_dp_mst_helper.h:467: warning: No description found for parameter 'tx_down_in_progress' include/drm/drm_dp_mst_helper.h:467: warning: No description found for parameter 'payload_lock' include/drm/drm_dp_mst_helper.h:467: warning: No description found for parameter 'proposed_vcpis' include/drm/drm_dp_mst_helper.h:467: warning: No description found for parameter 'payloads' include/drm/drm_dp_mst_helper.h:467: warning: No description found for parameter 'payload_mask' include/drm/drm_dp_mst_helper.h:467: warning: No description found for parameter 'vcpi_mask' include/drm/drm_dp_mst_helper.h:467: warning: No description found for parameter 'tx_waitq' include/drm/drm_dp_mst_helper.h:467: warning: No description found for parameter 'work' include/drm/drm_dp_mst_helper.h:467: warning: No description found for parameter 'tx_work' include/drm/drm_dp_mst_helper.h:467: warning: No description found for parameter 'destroy_connector_list' include/drm/drm_dp_mst_helper.h:467: warning: No description found for parameter 'destroy_connector_lock' include/drm/drm_dp_mst_helper.h:467: warning: No description found for parameter 'destroy_connector_work' drivers/gpu/drm/drm_dp_mst_topology.c:2384: warning: No description found for parameter 'connector' drivers/gpu/drm/i915/i915_vgpu.c:105: warning: No description found for parameter 'dev_priv' drivers/gpu/drm/i915/i915_vgpu.c:184: warning: No description found for parameter 'dev_priv' drivers/gpu/drm/i915/i915_vgpu.c:184: warning: Excess function parameter 'dev' description in 'intel_vgt_balloon' drivers/gpu/drm/i915/i915_vgpu.c:106: warning: No description found for parameter 'dev_priv' drivers/gpu/drm/i915/i915_vgpu.c:185: warning: No description found for parameter 'dev_priv' drivers/gpu/drm/i915/i915_vgpu.c:185: warning: Excess function parameter 'dev' description in 'intel_vgt_balloon' drivers/gpu/drm/i915/i915_gem.c:929: warning: No description found for parameter 'i915' drivers/gpu/drm/i915/i915_gem.c:929: warning: Excess function parameter 'dev' description in 'i915_gem_gtt_pwrite_fast' drivers/gpu/drm/i915/intel_hotplug.c:543: warning: Excess function parameter 'enabled' description in 'intel_hpd_poll_init' drivers/gpu/drm/i915/intel_hotplug.c:544: warning: Excess function parameter 'enabled' description in 'intel_hpd_poll_init' drivers/gpu/drm/i915/intel_fbc.c:1087: warning: No description found for parameter 'crtc_state' drivers/gpu/drm/i915/intel_fbc.c:1087: warning: No description found for parameter 'plane_state' drivers/gpu/drm/i915/intel_fbc.c:1088: warning: No description found for parameter 'crtc_state' drivers/gpu/drm/i915/intel_fbc.c:1088: warning: No description found for parameter 'plane_state' Documentation/gpu/drm-internals.rst:249: ERROR: Unexpected indentation. Documentation/gpu/drm-internals.rst:188: ERROR: Unknown target name: "devm". Documentation/gpu/drm-kms.rst:929: WARNING: Inline literal start-string without end-string. Documentation/gpu/drm-kms.rst:971: WARNING: Inline literal start-string without end-string. Documentation/gpu/drm-kms.rst:1451: WARNING: Inline literal start-string without end-string. Documentation/gpu/drm-kms.rst:1565: WARNING: Inline literal start-string without end-string. Documentation/gpu/drm-kms.rst:1615: WARNING: Inline literal start-string without end-string. Documentation/gpu/drm-kms.rst:1627: WARNING: Inline literal start-string without end-string. Documentation/gpu/drm-kms.rst:836: WARNING: Option list ends without a blank line; unexpected unindent. Documentation/gpu/drm-kms-helpers.rst:647: WARNING: Inline emphasis start-string without end-string. Documentation/gpu/drm-kms-helpers.rst:275: WARNING: Inline literal start-string without end-string. Documentation/gpu/drm-mm.rst:505: WARNING: Inline emphasis start-string without end-string. drivers/gpu/drm/i915/intel_uncore.c:1622: ERROR: Unexpected indentation. Documentation/gpu/i915.rst:156: WARNING: Block quote ends without a blank line; unexpected unindent. drivers/gpu/drm/i915/intel_uncore.c:1656: ERROR: Unexpected indentation. Documentation/gpu/i915.rst:192: WARNING: Block quote ends without a blank line; unexpected unindent. Documentation/gpu/i915.rst:129: WARNING: Literal block ends without a blank line; unexpected unindent. Documentation/gpu/i915.rst:148: WARNING: Inline emphasis start-string without end-string. Documentation/gpu/i915.rst:148: WARNING: Inline emphasis start-string without end-string. drivers/gpu/drm/i915/intel_lrc.c:1165: ERROR: Unexpected indentation. Documentation/gpu/i915.rst:339: WARNING: Block quote ends without a blank line; unexpected unindent. Documentation/gpu/i915.rst:329: WARNING: Block quote ends without a blank line; unexpected unindent. Documentation/gpu/i915.rst:348: WARNING: Enumerated list ends without a blank line; unexpected unindent. Documentation/gpu/drm-kms.rst:499: WARNING: Could not lex literal_block as "C". Highlighting skipped. Documentation/gpu/drm-kms-helpers.rst:125: WARNING: Could not lex literal_block as "C". Highlighting skipped. Documentation/gpu/i915.rst:109: WARNING: Could not lex literal_block as "C". Highlighting skipped. vim +/adapter +390 drivers/gpu/drm/drm_dp_dual_mode_helper.c 384 * Returns: 385 * 0 on success, sets the current_mode value to appropriate mode 386 * -error on failure 387 */ 388 int drm_lspcon_get_mode(struct i2c_adapter *adapter, 389 enum drm_lspcon_mode *mode) > 390 { 391 u8 data; 392 int ret = 0; 393 394 if (!mode) { 395 DRM_ERROR("NULL input\n"); 396 return -EINVAL; 397 } 398 399 /* Read Status: i2c over aux */ 400 ret = drm_dp_dual_mode_read(adapter, DP_DUAL_MODE_LSPCON_CURRENT_MODE, 401 &data, sizeof(data)); 402 if (ret < 0) { 403 DRM_ERROR("LSPCON read(0x80, 0x41) failed\n"); 404 return -EFAULT; 405 } 406 407 if (data & DP_DUAL_MODE_LSPCON_MODE_PCON) 408 *mode = DRM_LSPCON_MODE_PCON; 409 else 410 *mode = DRM_LSPCON_MODE_LS; 411 return 0; 412 } 413 EXPORT_SYMBOL(drm_lspcon_get_mode); 414 415 /** 416 * drm_lspcon_change_mode: Change LSPCON's mode of operation by 417 * by writing offset (0x80, 0x40) 418 * @i2c_adapter: I2C-over-aux adapter 419 * @reqd_mode: required mode of operation 420 * 421 * Returns: 422 * 0 on success, -error on failure/timeout 423 */ 424 int drm_lspcon_set_mode(struct i2c_adapter *adapter, 425 enum drm_lspcon_mode mode) > 426 { 427 u8 data = 0; 428 int ret; 429 int time_out = 200; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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