tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 423fccda72fc2b78107cc119a1755d968c2c36de commit: 1658eb12c6b6bbcff49c2e8fa1fc13f32bd45ee4 [3508/3508] drm: drm_client.h: Add kabi_reserve reproduce: (https://download.01.org/0day-ci/archive/20251211/202512110521.WzYXo1Tx-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/202512110521.WzYXo1Tx-lkp@intel.com/ All warnings (new ones prefixed by >>): ./drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:109: warning: Function parameter or member 'top_gain' not described in 'mpcc_blnd_cfg' ./drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:109: warning: Function parameter or member 'bottom_inside_gain' not described in 'mpcc_blnd_cfg' ./drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:109: warning: Function parameter or member 'bottom_outside_gain' not described in 'mpcc_blnd_cfg' Error: Cannot open file ./include/linux/backlight.h Error: Cannot open file ./include/linux/backlight.h

...

./include/drm/drm_client.h:121: warning: Function parameter or member 'KABI_RESERVE(1' not described in 'drm_client_dev' ./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_connector.h:527: warning: Enum value 'DRM_MODE_COLORIMETRY_COUNT' not described in enum 'drm_colorspace' Error: Cannot open file ./include/linux/hdmi.h Error: Cannot open file ./include/linux/hdmi.h

vim +121 ./include/drm/drm_client.h c76f0f7cb546b6 Noralf Trønnes 2018-07-03 68 c76f0f7cb546b6 Noralf Trønnes 2018-07-03 69 /** c76f0f7cb546b6 Noralf Trønnes 2018-07-03 70 * struct drm_client_dev - DRM client instance c76f0f7cb546b6 Noralf Trønnes 2018-07-03 71 */ c76f0f7cb546b6 Noralf Trønnes 2018-07-03 72 struct drm_client_dev { c76f0f7cb546b6 Noralf Trønnes 2018-07-03 73 /** c76f0f7cb546b6 Noralf Trønnes 2018-07-03 74 * @dev: DRM device c76f0f7cb546b6 Noralf Trønnes 2018-07-03 75 */ c76f0f7cb546b6 Noralf Trønnes 2018-07-03 76 struct drm_device *dev; c76f0f7cb546b6 Noralf Trønnes 2018-07-03 77 c76f0f7cb546b6 Noralf Trønnes 2018-07-03 78 /** c76f0f7cb546b6 Noralf Trønnes 2018-07-03 79 * @name: Name of the client. c76f0f7cb546b6 Noralf Trønnes 2018-07-03 80 */ c76f0f7cb546b6 Noralf Trønnes 2018-07-03 81 const char *name; c76f0f7cb546b6 Noralf Trønnes 2018-07-03 82 c76f0f7cb546b6 Noralf Trønnes 2018-07-03 83 /** c76f0f7cb546b6 Noralf Trønnes 2018-07-03 84 * @list: c76f0f7cb546b6 Noralf Trønnes 2018-07-03 85 * c76f0f7cb546b6 Noralf Trønnes 2018-07-03 86 * List of all clients of a DRM device, linked into c76f0f7cb546b6 Noralf Trønnes 2018-07-03 87 * &drm_device.clientlist. Protected by &drm_device.clientlist_mutex. c76f0f7cb546b6 Noralf Trønnes 2018-07-03 88 */ c76f0f7cb546b6 Noralf Trønnes 2018-07-03 89 struct list_head list; c76f0f7cb546b6 Noralf Trønnes 2018-07-03 90 c76f0f7cb546b6 Noralf Trønnes 2018-07-03 91 /** c76f0f7cb546b6 Noralf Trønnes 2018-07-03 92 * @funcs: DRM client functions (optional) c76f0f7cb546b6 Noralf Trønnes 2018-07-03 93 */ c76f0f7cb546b6 Noralf Trønnes 2018-07-03 94 const struct drm_client_funcs *funcs; c76f0f7cb546b6 Noralf Trønnes 2018-07-03 95 c76f0f7cb546b6 Noralf Trønnes 2018-07-03 96 /** c76f0f7cb546b6 Noralf Trønnes 2018-07-03 97 * @file: DRM file c76f0f7cb546b6 Noralf Trønnes 2018-07-03 98 */ c76f0f7cb546b6 Noralf Trønnes 2018-07-03 99 struct drm_file *file; d81294afeecdac Noralf Trønnes 2019-05-31 100 d81294afeecdac Noralf Trønnes 2019-05-31 101 /** d81294afeecdac Noralf Trønnes 2019-05-31 102 * @modeset_mutex: Protects @modesets. d81294afeecdac Noralf Trønnes 2019-05-31 103 */ d81294afeecdac Noralf Trønnes 2019-05-31 104 struct mutex modeset_mutex; d81294afeecdac Noralf Trønnes 2019-05-31 105 d81294afeecdac Noralf Trønnes 2019-05-31 106 /** d81294afeecdac Noralf Trønnes 2019-05-31 107 * @modesets: CRTC configurations d81294afeecdac Noralf Trønnes 2019-05-31 108 */ d81294afeecdac Noralf Trønnes 2019-05-31 109 struct drm_mode_set *modesets; 6a9d5ad3af65a1 Thomas Zimmermann 2023-01-25 110 6a9d5ad3af65a1 Thomas Zimmermann 2023-01-25 111 /** 84cc4c7aecc4c6 Randy Dunlap 2023-01-30 112 * @hotplug_failed: 6a9d5ad3af65a1 Thomas Zimmermann 2023-01-25 113 * 6a9d5ad3af65a1 Thomas Zimmermann 2023-01-25 114 * Set by client hotplug helpers if the hotplugging failed 6a9d5ad3af65a1 Thomas Zimmermann 2023-01-25 115 * before. It is usually not tried again. 6a9d5ad3af65a1 Thomas Zimmermann 2023-01-25 116 */ 6a9d5ad3af65a1 Thomas Zimmermann 2023-01-25 117 bool hotplug_failed; 1658eb12c6b6bb Lin Yujun 2024-02-04 118 1658eb12c6b6bb Lin Yujun 2024-02-04 119 KABI_RESERVE(1) 1658eb12c6b6bb Lin Yujun 2024-02-04 120 KABI_RESERVE(2) c76f0f7cb546b6 Noralf Trønnes 2018-07-03 @121 }; c76f0f7cb546b6 Noralf Trønnes 2018-07-03 122 4d4c2d89913e2d Noralf Trønnes 2018-10-01 123 int drm_client_init(struct drm_device *dev, struct drm_client_dev *client, c76f0f7cb546b6 Noralf Trønnes 2018-07-03 124 const char *name, const struct drm_client_funcs *funcs); c76f0f7cb546b6 Noralf Trønnes 2018-07-03 125 void drm_client_release(struct drm_client_dev *client); e33898a20744de Noralf Trønnes 2019-04-03 126 void drm_client_register(struct drm_client_dev *client); c76f0f7cb546b6 Noralf Trønnes 2018-07-03 127 c76f0f7cb546b6 Noralf Trønnes 2018-07-03 128 void drm_client_dev_unregister(struct drm_device *dev); c76f0f7cb546b6 Noralf Trønnes 2018-07-03 129 void drm_client_dev_hotplug(struct drm_device *dev); c76f0f7cb546b6 Noralf Trønnes 2018-07-03 130 void drm_client_dev_restore(struct drm_device *dev); c76f0f7cb546b6 Noralf Trønnes 2018-07-03 131 c76f0f7cb546b6 Noralf Trønnes 2018-07-03 132 /** c76f0f7cb546b6 Noralf Trønnes 2018-07-03 133 * struct drm_client_buffer - DRM client buffer c76f0f7cb546b6 Noralf Trønnes 2018-07-03 134 */ c76f0f7cb546b6 Noralf Trønnes 2018-07-03 135 struct drm_client_buffer { c76f0f7cb546b6 Noralf Trønnes 2018-07-03 136 /** c76f0f7cb546b6 Noralf Trønnes 2018-07-03 137 * @client: DRM client c76f0f7cb546b6 Noralf Trønnes 2018-07-03 138 */ c76f0f7cb546b6 Noralf Trønnes 2018-07-03 139 struct drm_client_dev *client; c76f0f7cb546b6 Noralf Trønnes 2018-07-03 140 c76f0f7cb546b6 Noralf Trønnes 2018-07-03 141 /** c76f0f7cb546b6 Noralf Trønnes 2018-07-03 142 * @pitch: Buffer pitch c76f0f7cb546b6 Noralf Trønnes 2018-07-03 143 */ c76f0f7cb546b6 Noralf Trønnes 2018-07-03 144 u32 pitch; c76f0f7cb546b6 Noralf Trønnes 2018-07-03 145 c76f0f7cb546b6 Noralf Trønnes 2018-07-03 146 /** c76f0f7cb546b6 Noralf Trønnes 2018-07-03 147 * @gem: GEM object backing this buffer c76f0f7cb546b6 Noralf Trønnes 2018-07-03 148 */ c76f0f7cb546b6 Noralf Trønnes 2018-07-03 149 struct drm_gem_object *gem; c76f0f7cb546b6 Noralf Trønnes 2018-07-03 150 c76f0f7cb546b6 Noralf Trønnes 2018-07-03 151 /** a85955568939e2 Thomas Zimmermann 2020-11-03 152 * @map: Virtual address for the buffer c76f0f7cb546b6 Noralf Trønnes 2018-07-03 153 */ 7938f4218168ae Lucas De Marchi 2022-02-04 154 struct iosys_map map; c76f0f7cb546b6 Noralf Trønnes 2018-07-03 155 c76f0f7cb546b6 Noralf Trønnes 2018-07-03 156 /** c76f0f7cb546b6 Noralf Trønnes 2018-07-03 157 * @fb: DRM framebuffer c76f0f7cb546b6 Noralf Trønnes 2018-07-03 158 */ c76f0f7cb546b6 Noralf Trønnes 2018-07-03 159 struct drm_framebuffer *fb; 1658eb12c6b6bb Lin Yujun 2024-02-04 160 1658eb12c6b6bb Lin Yujun 2024-02-04 161 KABI_RESERVE(1) 1658eb12c6b6bb Lin Yujun 2024-02-04 162 KABI_RESERVE(2) c76f0f7cb546b6 Noralf Trønnes 2018-07-03 @163 }; c76f0f7cb546b6 Noralf Trønnes 2018-07-03 164 :::::: The code at line 121 was first introduced by commit :::::: c76f0f7cb546b661b5e0ac769850a5c854927f65 drm: Begin an API for in-kernel clients :::::: TO: Noralf Trønnes <noralf@tronnes.org> :::::: CC: Noralf Trønnes <noralf@tronnes.org> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki