linux-kernel - Re: [PATCH 4/6] drm/msm/adreno: Implement SMEM-based speed bin

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Message-ID: <202404061839.0waGfXwj-lkp@intel.com>
Date: Sat, 6 Apr 2024 18:32:43 +0800
From: kernel test robot <lkp@...el.com>
To: Konrad Dybcio <konrad.dybcio@...aro.org>,
	Bjorn Andersson <andersson@...nel.org>,
	Rob Clark <robdclark@...il.com>,
	Abhinav Kumar <quic_abhinavk@...cinc.com>,
	Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
	Sean Paul <sean@...rly.run>,
	Marijn Suijten <marijn.suijten@...ainline.org>,
	David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
	dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
	devicetree@...r.kernel.org,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: Re: [PATCH 4/6] drm/msm/adreno: Implement SMEM-based speed bin

Hi Konrad,

kernel test robot noticed the following build errors:

[auto build test ERROR on 2b3d5988ae2cb5cd945ddbc653f0a71706231fdd]

url:    https://github.com/intel-lab-lkp/linux/commits/Konrad-Dybcio/soc-qcom-Move-some-socinfo-defines-to-the-header-expand-them/20240405-164231
base:   2b3d5988ae2cb5cd945ddbc653f0a71706231fdd
patch link:    https://lore.kernel.org/r/20240405-topic-smem_speedbin-v1-4-ce2b864251b1%40linaro.org
patch subject: [PATCH 4/6] drm/msm/adreno: Implement SMEM-based speed bin
config: i386-buildonly-randconfig-001-20240406 (https://download.01.org/0day-ci/archive/20240406/202404061839.0waGfXwj-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240406/202404061839.0waGfXwj-lkp@intel.com/reproduce)

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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202404061839.0waGfXwj-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/msm/adreno/adreno_gpu.c:1090:14: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
    1090 |         *speedbin = FIELD_PREP(ADRENO_SKU_ID_PCODE, pcode) |
         |                     ^
   1 error generated.


vim +/FIELD_PREP +1090 drivers/gpu/drm/msm/adreno/adreno_gpu.c

  1062	
  1063	int adreno_read_speedbin(struct adreno_gpu *adreno_gpu,
  1064				 struct device *dev, u32 *speedbin)
  1065	{
  1066		u32 fcode, pcode;
  1067		int ret;
  1068	
  1069		/* Try reading the speedbin via a nvmem cell first */
  1070		ret = nvmem_cell_read_variable_le_u32(dev, "speed_bin", speedbin);
  1071		if (!ret && ret != -EINVAL)
  1072			return ret;
  1073	
  1074		ret = qcom_smem_get_feature_code(&fcode);
  1075		if (ret) {
  1076			dev_err(dev, "Couldn't get feature code from SMEM!\n");
  1077			return ret;
  1078		}
  1079	
  1080		ret = qcom_smem_get_product_code(&pcode);
  1081		if (ret) {
  1082			dev_err(dev, "Couldn't get product code from SMEM!\n");
  1083			return ret;
  1084		}
  1085	
  1086		/* Don't consider fcode for external feature codes */
  1087		if (fcode <= SOCINFO_FC_EXT_RESERVE)
  1088			fcode = SOCINFO_FC_UNKNOWN;
  1089	
> 1090		*speedbin = FIELD_PREP(ADRENO_SKU_ID_PCODE, pcode) |
  1091			    FIELD_PREP(ADRENO_SKU_ID_FCODE, fcode);
  1092	
  1093		return ret;
  1094	}
  1095	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki