Hi Sean, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on next-20201113] [also build test WARNING on v5.10-rc3] [cannot apply to drm-intel/for-linux-next char-misc/char-misc-testing v5.10-rc3 v5.10-rc2 v5.10-rc1] [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/Sean-Z-Huang/drm-i915-pxp-Introduce-Intel-PXP-component/20201114-094926 base: 92edc4aef86780a8ad01b092c6d6630bb3cb423d config: x86_64-randconfig-a004-20201113 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 9a85643cd357e412cff69067bb5c4840e228c2ab) 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 x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://github.com/0day-ci/linux/commit/c0c82470e52f95847f54cd65e470ba01a13d71ab git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Sean-Z-Huang/drm-i915-pxp-Introduce-Intel-PXP-component/20201114-094926 git checkout c0c82470e52f95847f54cd65e470ba01a13d71ab # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 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/pxp/intel_pxp_sm.c:13:5: warning: no previous prototype for function 'pxp_sm_reg_read' [-Wmissing-prototypes] int pxp_sm_reg_read(struct drm_i915_private *i915, u32 offset, u32 *regval) ^ drivers/gpu/drm/i915/pxp/intel_pxp_sm.c:13:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int pxp_sm_reg_read(struct drm_i915_private *i915, u32 offset, u32 *regval) ^ static drivers/gpu/drm/i915/pxp/intel_pxp_sm.c:162:12: warning: unused function 'sync_hw_sw_state' [-Wunused-function] static int sync_hw_sw_state(struct drm_i915_private *i915, int session_index, int session_type) ^ drivers/gpu/drm/i915/pxp/intel_pxp_sm.c:195:13: warning: unused function 'check_if_protected_type0_sessions_are_attacked' [-Wunused-function] static bool check_if_protected_type0_sessions_are_attacked(struct drm_i915_private *i915) ^ 3 warnings generated. vim +/pxp_sm_reg_read +13 drivers/gpu/drm/i915/pxp/intel_pxp_sm.c 12 > 13 int pxp_sm_reg_read(struct drm_i915_private *i915, u32 offset, u32 *regval) 14 { 15 intel_wakeref_t wakeref; 16 int err = 0; 17 18 if (!i915 || !regval) { 19 err = -EINVAL; 20 drm_dbg(&i915->drm, "Failed to %s bad params\n", __func__); 21 goto end; 22 } 23 24 with_intel_runtime_pm(&i915->runtime_pm, wakeref) { 25 i915_reg_t reg_offset = {offset}; 26 *regval = intel_uncore_read(&i915->uncore, reg_offset); 27 } 28 end: 29 return err; 30 } 31 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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