tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 5930fa3740c518a9f6ba688fd0c1873d6f3adbce commit: 2ca47cd62ebb51e337e558943c1d23e4a5f2fbcf [3508/3508] drm: drm_fourcc.h: Add kabi_reserve reproduce: (https://download.01.org/0day-ci/archive/20251211/202512112225.hE3xUWyq-lkp@i...) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512112225.hE3xUWyq-lkp@intel.com/ All warnings (new ones prefixed by >>): ./include/drm/drm_client.h:163: warning: Function parameter or member 'KABI_RESERVE(1' not described in 'drm_client_buffer' ./include/drm/drm_atomic.h:246: warning: Function parameter or member 'KABI_RESERVE(1' not described in 'drm_private_state_funcs' ./include/drm/drm_atomic.h:347: warning: Function parameter or member 'KABI_RESERVE(1' not described in 'drm_private_state' ./include/drm/drm_crtc.h:392: warning: Function parameter or member 'KABI_RESERVE(1' not described in 'drm_crtc_state' ./include/drm/drm_crtc.h:1185: warning: Function parameter or member 'KABI_RESERVE(1' not described in 'drm_crtc'

...

./include/drm/drm_fourcc.h:149: warning: Function parameter or member 'KABI_RESERVE(1' not described in 'drm_format_info' ./include/drm/drm_connector.h:328: warning: Function parameter or member 'KABI_RESERVE(1' not described in 'drm_hdmi_info' ./include/drm/drm_connector.h:531: warning: Enum value 'DRM_MODE_COLORIMETRY_COUNT' not described in enum 'drm_colorspace' ./include/drm/drm_connector.h:826: warning: Function parameter or member 'KABI_RESERVE(1' not described in 'drm_display_info' ./include/drm/drm_connector.h:888: warning: Function parameter or member 'KABI_RESERVE(1' not described in 'drm_tv_connector_state' ./include/drm/drm_connector.h:1350: warning: Function parameter or member 'KABI_RESERVE(1' not described in 'drm_connector_funcs'

vim +149 ./include/drm/drm_fourcc.h 6a0f9ebfc5e753 Ville Syrjälä 2017-03-21 59 84770cc24f3a51 Laurent Pinchart 2016-10-18 60 /** 84770cc24f3a51 Laurent Pinchart 2016-10-18 61 * struct drm_format_info - information about a DRM format 84770cc24f3a51 Laurent Pinchart 2016-10-18 62 */ 84770cc24f3a51 Laurent Pinchart 2016-10-18 63 struct drm_format_info { 9c71a6686bfa4b Alexandru Gheorghe 2018-10-19 64 /** @format: 4CC format identifier (DRM_FORMAT_*) */ 84770cc24f3a51 Laurent Pinchart 2016-10-18 65 u32 format; 9c71a6686bfa4b Alexandru Gheorghe 2018-10-19 66 9c71a6686bfa4b Alexandru Gheorghe 2018-10-19 67 /** 9c71a6686bfa4b Alexandru Gheorghe 2018-10-19 68 * @depth: 9c71a6686bfa4b Alexandru Gheorghe 2018-10-19 69 * 9c71a6686bfa4b Alexandru Gheorghe 2018-10-19 70 * Color depth (number of bits per pixel excluding padding bits), 9c71a6686bfa4b Alexandru Gheorghe 2018-10-19 71 * valid for a subset of RGB formats only. This is a legacy field, do 9c71a6686bfa4b Alexandru Gheorghe 2018-10-19 72 * not use in new code and set to 0 for new formats. 9c71a6686bfa4b Alexandru Gheorghe 2018-10-19 73 */ 84770cc24f3a51 Laurent Pinchart 2016-10-18 74 u8 depth; 9c71a6686bfa4b Alexandru Gheorghe 2018-10-19 75 9c71a6686bfa4b Alexandru Gheorghe 2018-10-19 76 /** @num_planes: Number of color planes (1 to 3) */ 84770cc24f3a51 Laurent Pinchart 2016-10-18 77 u8 num_planes; 9c71a6686bfa4b Alexandru Gheorghe 2018-10-19 78 042bf753842ddb Alexandru Gheorghe 2018-11-01 79 union { 042bf753842ddb Alexandru Gheorghe 2018-11-01 80 /** 042bf753842ddb Alexandru Gheorghe 2018-11-01 81 * @cpp: 042bf753842ddb Alexandru Gheorghe 2018-11-01 82 * 042bf753842ddb Alexandru Gheorghe 2018-11-01 83 * Number of bytes per pixel (per plane), this is aliased with 042bf753842ddb Alexandru Gheorghe 2018-11-01 84 * @char_per_block. It is deprecated in favour of using the 042bf753842ddb Alexandru Gheorghe 2018-11-01 85 * triplet @char_per_block, @block_w, @block_h for better 042bf753842ddb Alexandru Gheorghe 2018-11-01 86 * describing the pixel format. 042bf753842ddb Alexandru Gheorghe 2018-11-01 87 */ 279cc2e9543eb3 Thomas Zimmermann 2021-07-30 88 u8 cpp[DRM_FORMAT_MAX_PLANES]; 9c71a6686bfa4b Alexandru Gheorghe 2018-10-19 89 042bf753842ddb Alexandru Gheorghe 2018-11-01 90 /** 042bf753842ddb Alexandru Gheorghe 2018-11-01 91 * @char_per_block: 042bf753842ddb Alexandru Gheorghe 2018-11-01 92 * 042bf753842ddb Alexandru Gheorghe 2018-11-01 93 * Number of bytes per block (per plane), where blocks are 042bf753842ddb Alexandru Gheorghe 2018-11-01 94 * defined as a rectangle of pixels which are stored next to 042bf753842ddb Alexandru Gheorghe 2018-11-01 95 * each other in a byte aligned memory region. Together with 042bf753842ddb Alexandru Gheorghe 2018-11-01 96 * @block_w and @block_h this is used to properly describe tiles 042bf753842ddb Alexandru Gheorghe 2018-11-01 97 * in tiled formats or to describe groups of pixels in packed 042bf753842ddb Alexandru Gheorghe 2018-11-01 98 * formats for which the memory needed for a single pixel is not 042bf753842ddb Alexandru Gheorghe 2018-11-01 99 * byte aligned. 042bf753842ddb Alexandru Gheorghe 2018-11-01 100 * 042bf753842ddb Alexandru Gheorghe 2018-11-01 101 * @cpp has been kept for historical reasons because there are 042bf753842ddb Alexandru Gheorghe 2018-11-01 102 * a lot of places in drivers where it's used. In drm core for 042bf753842ddb Alexandru Gheorghe 2018-11-01 103 * generic code paths the preferred way is to use 042bf753842ddb Alexandru Gheorghe 2018-11-01 104 * @char_per_block, drm_format_info_block_width() and 042bf753842ddb Alexandru Gheorghe 2018-11-01 105 * drm_format_info_block_height() which allows handling both 042bf753842ddb Alexandru Gheorghe 2018-11-01 106 * block and non-block formats in the same way. 042bf753842ddb Alexandru Gheorghe 2018-11-01 107 * 042bf753842ddb Alexandru Gheorghe 2018-11-01 108 * For formats that are intended to be used only with non-linear 042bf753842ddb Alexandru Gheorghe 2018-11-01 109 * modifiers both @cpp and @char_per_block must be 0 in the 042bf753842ddb Alexandru Gheorghe 2018-11-01 110 * generic format table. Drivers could supply accurate 042bf753842ddb Alexandru Gheorghe 2018-11-01 111 * information from their drm_mode_config.get_format_info hook 042bf753842ddb Alexandru Gheorghe 2018-11-01 112 * if they want the core to be validating the pitch. 042bf753842ddb Alexandru Gheorghe 2018-11-01 113 */ 279cc2e9543eb3 Thomas Zimmermann 2021-07-30 114 u8 char_per_block[DRM_FORMAT_MAX_PLANES]; 042bf753842ddb Alexandru Gheorghe 2018-11-01 115 }; 042bf753842ddb Alexandru Gheorghe 2018-11-01 116 042bf753842ddb Alexandru Gheorghe 2018-11-01 117 /** 042bf753842ddb Alexandru Gheorghe 2018-11-01 118 * @block_w: 042bf753842ddb Alexandru Gheorghe 2018-11-01 119 * 042bf753842ddb Alexandru Gheorghe 2018-11-01 120 * Block width in pixels, this is intended to be accessed through 042bf753842ddb Alexandru Gheorghe 2018-11-01 121 * drm_format_info_block_width() 042bf753842ddb Alexandru Gheorghe 2018-11-01 122 */ 279cc2e9543eb3 Thomas Zimmermann 2021-07-30 123 u8 block_w[DRM_FORMAT_MAX_PLANES]; 042bf753842ddb Alexandru Gheorghe 2018-11-01 124 042bf753842ddb Alexandru Gheorghe 2018-11-01 125 /** 042bf753842ddb Alexandru Gheorghe 2018-11-01 126 * @block_h: 042bf753842ddb Alexandru Gheorghe 2018-11-01 127 * 042bf753842ddb Alexandru Gheorghe 2018-11-01 128 * Block height in pixels, this is intended to be accessed through 042bf753842ddb Alexandru Gheorghe 2018-11-01 129 * drm_format_info_block_height() 042bf753842ddb Alexandru Gheorghe 2018-11-01 130 */ 279cc2e9543eb3 Thomas Zimmermann 2021-07-30 131 u8 block_h[DRM_FORMAT_MAX_PLANES]; 042bf753842ddb Alexandru Gheorghe 2018-11-01 132 9c71a6686bfa4b Alexandru Gheorghe 2018-10-19 133 /** @hsub: Horizontal chroma subsampling factor */ 84770cc24f3a51 Laurent Pinchart 2016-10-18 134 u8 hsub; 9c71a6686bfa4b Alexandru Gheorghe 2018-10-19 135 /** @vsub: Vertical chroma subsampling factor */ 84770cc24f3a51 Laurent Pinchart 2016-10-18 136 u8 vsub; 9c71a6686bfa4b Alexandru Gheorghe 2018-10-19 137 9c71a6686bfa4b Alexandru Gheorghe 2018-10-19 138 /** @has_alpha: Does the format embeds an alpha component? */ 4cc4e1b40f3ff5 Maxime Ripard 2017-12-22 139 bool has_alpha; 9c71a6686bfa4b Alexandru Gheorghe 2018-10-19 140 9c71a6686bfa4b Alexandru Gheorghe 2018-10-19 141 /** @is_yuv: Is it a YUV format? */ ce2d54619a1078 Ayan Kumar Halder 2018-07-17 142 bool is_yuv; dc1dc76bd9a48c Geert Uytterhoeven 2022-07-08 143 dc1dc76bd9a48c Geert Uytterhoeven 2022-07-08 144 /** @is_color_indexed: Is it a color-indexed format? */ dc1dc76bd9a48c Geert Uytterhoeven 2022-07-08 145 bool is_color_indexed; 2ca47cd62ebb51 Lin Yujun 2024-02-04 146 2ca47cd62ebb51 Lin Yujun 2024-02-04 147 KABI_RESERVE(1) 2ca47cd62ebb51 Lin Yujun 2024-02-04 148 KABI_RESERVE(2) 84770cc24f3a51 Laurent Pinchart 2016-10-18 @149 }; 84770cc24f3a51 Laurent Pinchart 2016-10-18 150 :::::: The code at line 149 was first introduced by commit :::::: 84770cc24f3a51c05055665feeac1dcf22119d69 drm: Centralize format information :::::: TO: Laurent Pinchart <laurent.pinchart@ideasonboard.com> :::::: CC: Archit Taneja <architt@codeaurora.org> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki