Hi Neil, I love your patch! Perhaps something to improve:
[auto build test WARNING on iommu/next] [also build test WARNING on soc/for-next linus/master v5.9-rc4 next-20200908] [cannot apply to xlnx/master] [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/Neil-Armstrong/drm-panfrost-add-Amlogic-integration-quirks/20200908-232205 base: https://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git next config: arm-randconfig-r014-20200908 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project df63eedef64d715ce1f31843f7de9c11fe1e597f) 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 # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> All warnings (new ones prefixed by >>): >> drivers/gpu/drm/panfrost/panfrost_gpu.c:82:6: warning: no previous prototype >> for function 'panfrost_gpu_amlogic_quirks' [-Wmissing-prototypes] void panfrost_gpu_amlogic_quirks(struct panfrost_device *pfdev) ^ drivers/gpu/drm/panfrost/panfrost_gpu.c:82:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void panfrost_gpu_amlogic_quirks(struct panfrost_device *pfdev) ^ static 1 warning generated. # https://github.com/0day-ci/linux/commit/10c9c1e2d5b129f4936ea0b84cb489da43364d8c git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Neil-Armstrong/drm-panfrost-add-Amlogic-integration-quirks/20200908-232205 git checkout 10c9c1e2d5b129f4936ea0b84cb489da43364d8c vim +/panfrost_gpu_amlogic_quirks +82 drivers/gpu/drm/panfrost/panfrost_gpu.c 81 > 82 void panfrost_gpu_amlogic_quirks(struct panfrost_device *pfdev) 83 { 84 /* 85 * The Amlogic integrated Mali-T820, Mali-G31 & Mali-G52 needs 86 * these undocumented bits to be set in order to operate 87 * correctly. 88 * These GPU_PWR registers contains: 89 * "device-specific power control value" 90 */ 91 gpu_write(pfdev, GPU_PWR_KEY, 0x2968A819); 92 gpu_write(pfdev, GPU_PWR_OVERRIDE1, 0xfff | (0x20 << 16)); 93 } 94 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
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