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/20201114-084506 base: 92edc4aef86780a8ad01b092c6d6630bb3cb423d config: x86_64-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/a8b258b463bb1fd193cf33be15a5909bc428d52b 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/20201114-084506 git checkout a8b258b463bb1fd193cf33be15a5909bc428d52b # save the attached .config to linux build tree make W=1 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 'pxp_sm_reg_read' [-Wmissing-prototypes] 13 | int pxp_sm_reg_read(struct drm_i915_private *i915, u32 offset, u32 *regval) | ^~~~~~~~~~~~~~~ drivers/gpu/drm/i915/pxp/intel_pxp_sm.c:195:13: warning: 'check_if_protected_type0_sessions_are_attacked' defined but not used [-Wunused-function] 195 | static bool check_if_protected_type0_sessions_are_attacked(struct drm_i915_private *i915) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/i915/pxp/intel_pxp_sm.c:162:12: warning: 'sync_hw_sw_state' defined but not used [-Wunused-function] 162 | static int sync_hw_sw_state(struct drm_i915_private *i915, int session_index, int session_type) | ^~~~~~~~~~~~~~~~ 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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