Re: [PATCH v6 1/4] drm/i915/guc: Add fetch of hwconfig table

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Hi Jordan,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on drm-intel/for-linux-next]
[also build test WARNING on drm-tip/drm-tip drm-exynos/exynos-drm-next drm/drm-next tegra-drm/drm/tegra/for-next v5.17-rc5 next-20220225]
[cannot apply to airlied/drm-next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Jordan-Justen/GuC-HWCONFIG-with-documentation/20220227-161945
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: i386-randconfig-a011 (https://download.01.org/0day-ci/archive/20220227/202202271904.1Rr5ckwF-lkp@xxxxxxxxx/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e)
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://github.com/0day-ci/linux/commit/7a92eba9714ffe68202fee73b9916d35b0da2968
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Jordan-Justen/GuC-HWCONFIG-with-documentation/20220227-161945
        git checkout 7a92eba9714ffe68202fee73b9916d35b0da2968
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/gpu/drm/i915/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

   drivers/gpu/drm/i915/gt/uc/intel_guc_hwconfig.c:110: warning: Function parameter or member 'gt' not described in 'guc_hwconfig_init'
>> drivers/gpu/drm/i915/gt/uc/intel_guc_hwconfig.c:110: warning: expecting prototype for intel_guc_hwconfig_init(). Prototype was for guc_hwconfig_init() instead
   drivers/gpu/drm/i915/gt/uc/intel_guc_hwconfig.c:143: warning: Function parameter or member 'gt' not described in 'intel_gt_init_hwconfig'
   drivers/gpu/drm/i915/gt/uc/intel_guc_hwconfig.c:156: warning: Function parameter or member 'gt' not described in 'intel_gt_fini_hwconfig'


vim +110 drivers/gpu/drm/i915/gt/uc/intel_guc_hwconfig.c

   102	
   103	/**
   104	 * intel_guc_hwconfig_init - Initialize the HWConfig
   105	 *
   106	 * Retrieve the HWConfig table from the GuC and save it locally.
   107	 * It can then be queried on demand by other users later on.
   108	 */
   109	static int guc_hwconfig_init(struct intel_gt *gt)
 > 110	{
   111		struct intel_hwconfig *hwconfig = &gt->info.hwconfig;
   112		struct intel_guc *guc = &gt->uc.guc;
   113		int ret;
   114	
   115		if (!has_table(gt->i915))
   116			return 0;
   117	
   118		ret = guc_hwconfig_discover_size(guc, hwconfig);
   119		if (ret)
   120			return ret;
   121	
   122		hwconfig->ptr = kmalloc(hwconfig->size, GFP_KERNEL);
   123		if (!hwconfig->ptr) {
   124			hwconfig->size = 0;
   125			return -ENOMEM;
   126		}
   127	
   128		ret = guc_hwconfig_fill_buffer(guc, hwconfig);
   129		if (ret < 0) {
   130			intel_gt_fini_hwconfig(gt);
   131			return ret;
   132		}
   133	
   134		return 0;
   135	}
   136	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx



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