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Message-ID: <202305161019.5IA8g260-lkp@intel.com>
Date: Tue, 16 May 2023 10:18:58 +0800
From: kernel test robot <lkp@...el.com>
To: Jani Nikula <jani.nikula@...el.com>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linux-kernel@...r.kernel.org, Rodrigo Vivi <rodrigo.vivi@...el.com>
Subject: drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h:62: warning: wrong
kernel-doc identifier on line:
Hi Jani,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: f1fcbaa18b28dec10281551dfe6ed3a3ed80e3d6
commit: 899ff790d1a94dda9bd09a4a6bde01fb7ff0bec8 drm/i915: run kernel-doc on headers as part of HDRTEST
date: 6 weeks ago
config: x86_64-randconfig-a002-20230515
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=899ff790d1a94dda9bd09a4a6bde01fb7ff0bec8
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 899ff790d1a94dda9bd09a4a6bde01fb7ff0bec8
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/gpu/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202305161019.5IA8g260-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h:27: warning: Function parameter or member 'size' not described in '__guc_capture_bufstate'
drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h:27: warning: Function parameter or member 'data' not described in '__guc_capture_bufstate'
drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h:27: warning: Function parameter or member 'rd' not described in '__guc_capture_bufstate'
drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h:27: warning: Function parameter or member 'wr' not described in '__guc_capture_bufstate'
drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h:59: warning: Function parameter or member 'link' not described in '__guc_capture_parsed_output'
drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h:59: warning: Function parameter or member 'is_partial' not described in '__guc_capture_parsed_output'
drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h:59: warning: Function parameter or member 'eng_class' not described in '__guc_capture_parsed_output'
drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h:59: warning: Function parameter or member 'eng_inst' not described in '__guc_capture_parsed_output'
drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h:59: warning: Function parameter or member 'guc_id' not described in '__guc_capture_parsed_output'
drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h:59: warning: Function parameter or member 'lrca' not described in '__guc_capture_parsed_output'
drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h:59: warning: Function parameter or member 'reginfo' not described in '__guc_capture_parsed_output'
>> drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h:62: warning: wrong kernel-doc identifier on line:
* struct guc_debug_capture_list_header / struct guc_debug_capture_list
drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h:80: warning: wrong kernel-doc identifier on line:
* struct __guc_mmio_reg_descr / struct __guc_mmio_reg_descr_group
drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h:105: warning: wrong kernel-doc identifier on line:
* struct guc_state_capture_header_t / struct guc_state_capture_t /
drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h:163: warning: Function parameter or member 'is_valid' not described in '__guc_capture_ads_cache'
drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h:163: warning: Function parameter or member 'ptr' not described in '__guc_capture_ads_cache'
drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h:163: warning: Function parameter or member 'size' not described in '__guc_capture_ads_cache'
drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h:163: warning: Function parameter or member 'status' not described in '__guc_capture_ads_cache'
drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h:216: warning: Function parameter or member 'ads_null_cache' not described in 'intel_guc_state_capture'
drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h:216: warning: Function parameter or member 'max_mmio_per_node' not described in 'intel_guc_state_capture'
--
drivers/gpu/drm/i915/i915_pmu.h:21: warning: cannot understand function prototype: 'enum i915_pmu_tracked_events '
drivers/gpu/drm/i915/i915_pmu.h:32: warning: cannot understand function prototype: 'enum '
>> drivers/gpu/drm/i915/i915_pmu.h:41: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* How many different events we track in the global PMU mask.
--
>> drivers/gpu/drm/i915/i915_request.h:176: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Request queue structure.
drivers/gpu/drm/i915/i915_request.h:477: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Returns true if seq1 is later than seq2.
--
>> drivers/gpu/drm/i915/i915_vma.h:145: warning: expecting prototype for i915_vma_offset(). Prototype was for i915_vma_size() instead
vim +62 drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h
24492514ccbd57 Alan Previn 2022-03-21 14
f5718a7265a6f5 Alan Previn 2022-03-21 15 /**
f5718a7265a6f5 Alan Previn 2022-03-21 16 * struct __guc_capture_bufstate
f5718a7265a6f5 Alan Previn 2022-03-21 17 *
f5718a7265a6f5 Alan Previn 2022-03-21 18 * Book-keeping structure used to track read and write pointers
f5718a7265a6f5 Alan Previn 2022-03-21 19 * as we extract error capture data from the GuC-log-buffer's
f5718a7265a6f5 Alan Previn 2022-03-21 20 * error-capture region as a stream of dwords.
f5718a7265a6f5 Alan Previn 2022-03-21 21 */
f5718a7265a6f5 Alan Previn 2022-03-21 22 struct __guc_capture_bufstate {
f5718a7265a6f5 Alan Previn 2022-03-21 23 u32 size;
f5718a7265a6f5 Alan Previn 2022-03-21 24 void *data;
f5718a7265a6f5 Alan Previn 2022-03-21 25 u32 rd;
f5718a7265a6f5 Alan Previn 2022-03-21 26 u32 wr;
f5718a7265a6f5 Alan Previn 2022-03-21 @27 };
f5718a7265a6f5 Alan Previn 2022-03-21 28
f5718a7265a6f5 Alan Previn 2022-03-21 29 /**
f5718a7265a6f5 Alan Previn 2022-03-21 30 * struct __guc_capture_parsed_output - extracted error capture node
f5718a7265a6f5 Alan Previn 2022-03-21 31 *
f5718a7265a6f5 Alan Previn 2022-03-21 32 * A single unit of extracted error-capture output data grouped together
f5718a7265a6f5 Alan Previn 2022-03-21 33 * at an engine-instance level. We keep these nodes in a linked list.
247f8071d58933 Alan Previn 2022-03-21 34 * See cachelist and outlist below.
f5718a7265a6f5 Alan Previn 2022-03-21 35 */
f5718a7265a6f5 Alan Previn 2022-03-21 36 struct __guc_capture_parsed_output {
f5718a7265a6f5 Alan Previn 2022-03-21 37 /*
f5718a7265a6f5 Alan Previn 2022-03-21 38 * A single set of 3 capture lists: a global-list
f5718a7265a6f5 Alan Previn 2022-03-21 39 * an engine-class-list and an engine-instance list.
f5718a7265a6f5 Alan Previn 2022-03-21 40 * outlist in __guc_capture_parsed_output will keep
f5718a7265a6f5 Alan Previn 2022-03-21 41 * a linked list of these nodes that will eventually
f5718a7265a6f5 Alan Previn 2022-03-21 42 * be detached from outlist and attached into to
f5718a7265a6f5 Alan Previn 2022-03-21 43 * i915_gpu_codedump in response to a context reset
f5718a7265a6f5 Alan Previn 2022-03-21 44 */
f5718a7265a6f5 Alan Previn 2022-03-21 45 struct list_head link;
f5718a7265a6f5 Alan Previn 2022-03-21 46 bool is_partial;
f5718a7265a6f5 Alan Previn 2022-03-21 47 u32 eng_class;
f5718a7265a6f5 Alan Previn 2022-03-21 48 u32 eng_inst;
f5718a7265a6f5 Alan Previn 2022-03-21 49 u32 guc_id;
f5718a7265a6f5 Alan Previn 2022-03-21 50 u32 lrca;
f5718a7265a6f5 Alan Previn 2022-03-21 51 struct gcap_reg_list_info {
f5718a7265a6f5 Alan Previn 2022-03-21 52 u32 vfid;
f5718a7265a6f5 Alan Previn 2022-03-21 53 u32 num_regs;
f5718a7265a6f5 Alan Previn 2022-03-21 54 struct guc_mmio_reg *regs;
f5718a7265a6f5 Alan Previn 2022-03-21 55 } reginfo[GUC_CAPTURE_LIST_TYPE_MAX];
f5718a7265a6f5 Alan Previn 2022-03-21 56 #define GCAP_PARSED_REGLIST_INDEX_GLOBAL BIT(GUC_CAPTURE_LIST_TYPE_GLOBAL)
f5718a7265a6f5 Alan Previn 2022-03-21 57 #define GCAP_PARSED_REGLIST_INDEX_ENGCLASS BIT(GUC_CAPTURE_LIST_TYPE_ENGINE_CLASS)
f5718a7265a6f5 Alan Previn 2022-03-21 58 #define GCAP_PARSED_REGLIST_INDEX_ENGINST BIT(GUC_CAPTURE_LIST_TYPE_ENGINE_INSTANCE)
f5718a7265a6f5 Alan Previn 2022-03-21 59 };
f5718a7265a6f5 Alan Previn 2022-03-21 60
24492514ccbd57 Alan Previn 2022-03-21 61 /**
24492514ccbd57 Alan Previn 2022-03-21 @62 * struct guc_debug_capture_list_header / struct guc_debug_capture_list
24492514ccbd57 Alan Previn 2022-03-21 63 *
24492514ccbd57 Alan Previn 2022-03-21 64 * As part of ADS registration, these header structures (followed by
24492514ccbd57 Alan Previn 2022-03-21 65 * an array of 'struct guc_mmio_reg' entries) are used to register with
24492514ccbd57 Alan Previn 2022-03-21 66 * GuC microkernel the list of registers we want it to dump out prior
24492514ccbd57 Alan Previn 2022-03-21 67 * to a engine reset.
24492514ccbd57 Alan Previn 2022-03-21 68 */
24492514ccbd57 Alan Previn 2022-03-21 69 struct guc_debug_capture_list_header {
24492514ccbd57 Alan Previn 2022-03-21 70 u32 info;
24492514ccbd57 Alan Previn 2022-03-21 71 #define GUC_CAPTURELISTHDR_NUMDESCR GENMASK(15, 0)
24492514ccbd57 Alan Previn 2022-03-21 72 } __packed;
24492514ccbd57 Alan Previn 2022-03-21 73
:::::: The code at line 62 was first introduced by commit
:::::: 24492514ccbd57121f168bb14939f32d8905d579 drm/i915/guc: Update GuC ADS size for error capture lists
:::::: TO: Alan Previn <alan.previn.teres.alexis@...el.com>
:::::: CC: Lucas De Marchi <lucas.demarchi@...el.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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