Hi Andi, I love your patch! Yet something to improve: [auto build test ERROR on drm-tip/drm-tip] [also build test ERROR on drm/drm-next] [cannot apply to drm-intel/for-linux-next drm-exynos/exynos-drm-next v5.16-rc5] [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/Andi-Shyti/More-preparation-for-... base: git://anongit.freedesktop.org/drm/drm-tip drm-tip config: x86_64-randconfig-a003-20211213 (https://download.01.org/0day-ci/archive/20211213/202112132358.IwEcWeWW-lk...) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project b6a2ddb6c8ac29412b1361810972e15221fa021c) 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/98ef49d710790dda7a193c10b5b7f2851... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Andi-Shyti/More-preparation-for-multi-gt-patches/20211212-232416 git checkout 98ef49d710790dda7a193c10b5b7f28516f730bc # 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=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): e->val64 = read_pte64(vgpu->gvt->gt->ggtt, index); ^~~~~~~~~~~~~~~~~~~ & drivers/gpu/drm/i915/gvt/gtt.c:282:41: note: passing argument to parameter 'ggtt' here static u64 read_pte64(struct i915_ggtt *ggtt, unsigned long index) ^ drivers/gpu/drm/i915/gvt/gtt.c:346:15: error: passing 'struct i915_ggtt' to parameter of incompatible type 'struct i915_ggtt *'; take the address with & write_pte64(vgpu->gvt->gt->ggtt, index, e->val64); ^~~~~~~~~~~~~~~~~~~ & drivers/gpu/drm/i915/gvt/gtt.c:296:43: note: passing argument to parameter 'ggtt' here static void write_pte64(struct i915_ggtt *ggtt, unsigned long index, u64 pte) ^ drivers/gpu/drm/i915/gvt/gtt.c:2900:17: error: passing 'struct i915_ggtt' to parameter of incompatible type 'struct i915_ggtt *'; take the address with & write_pte64(vgpu->gvt->gt->ggtt, offset + idx, pte); ^~~~~~~~~~~~~~~~~~~ & drivers/gpu/drm/i915/gvt/gtt.c:296:43: note: passing argument to parameter 'ggtt' here static void write_pte64(struct i915_ggtt *ggtt, unsigned long index, u64 pte) ^ drivers/gpu/drm/i915/gvt/gtt.c:2908:17: error: passing 'struct i915_ggtt' to parameter of incompatible type 'struct i915_ggtt *'; take the address with & write_pte64(vgpu->gvt->gt->ggtt, offset + idx, pte); ^~~~~~~~~~~~~~~~~~~ & drivers/gpu/drm/i915/gvt/gtt.c:296:43: note: passing argument to parameter 'ggtt' here static void write_pte64(struct i915_ggtt *ggtt, unsigned long index, u64 pte) ^ 4 errors generated. vim +321 drivers/gpu/drm/i915/gvt/gtt.c 2707e44466881d Zhi Wang 2016-03-28 302 4b2dbbc22541e4 Changbin Du 2017-08-02 303 static inline int gtt_get_entry64(void *pt, 2707e44466881d Zhi Wang 2016-03-28 304 struct intel_gvt_gtt_entry *e, 2707e44466881d Zhi Wang 2016-03-28 305 unsigned long index, bool hypervisor_access, unsigned long gpa, 2707e44466881d Zhi Wang 2016-03-28 306 struct intel_vgpu *vgpu) 2707e44466881d Zhi Wang 2016-03-28 307 { 2707e44466881d Zhi Wang 2016-03-28 308 const struct intel_gvt_device_info *info = &vgpu->gvt->device_info; 2707e44466881d Zhi Wang 2016-03-28 309 int ret; 2707e44466881d Zhi Wang 2016-03-28 310 2707e44466881d Zhi Wang 2016-03-28 311 if (WARN_ON(info->gtt_entry_size != 8)) 4b2dbbc22541e4 Changbin Du 2017-08-02 312 return -EINVAL; 2707e44466881d Zhi Wang 2016-03-28 313 2707e44466881d Zhi Wang 2016-03-28 314 if (hypervisor_access) { 2707e44466881d Zhi Wang 2016-03-28 315 ret = intel_gvt_hypervisor_read_gpa(vgpu, gpa + 2707e44466881d Zhi Wang 2016-03-28 316 (index << info->gtt_entry_size_shift), 2707e44466881d Zhi Wang 2016-03-28 317 &e->val64, 8); 4b2dbbc22541e4 Changbin Du 2017-08-02 318 if (WARN_ON(ret)) 4b2dbbc22541e4 Changbin Du 2017-08-02 319 return ret; 2707e44466881d Zhi Wang 2016-03-28 320 } else if (!pt) { a61ac1e75105a0 Chris Wilson 2020-03-06 @321 e->val64 = read_pte64(vgpu->gvt->gt->ggtt, index); 2707e44466881d Zhi Wang 2016-03-28 322 } else { 2707e44466881d Zhi Wang 2016-03-28 323 e->val64 = *((u64 *)pt + index); 2707e44466881d Zhi Wang 2016-03-28 324 } 4b2dbbc22541e4 Changbin Du 2017-08-02 325 return 0; 2707e44466881d Zhi Wang 2016-03-28 326 } 2707e44466881d Zhi Wang 2016-03-28 327 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org