tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.4 head: 52d269f32500581166246e0e494b2b62d979dba6 commit: 340c6a50cb273d407adaa19e0edabfb57139203c [46/243] CHROMIUM: media: mtk-vcodec: Add new interface to get frame buffer size from scp config: csky-randconfig-r031-20210420 (attached as .config) compiler: csky-linux-gcc (GCC) 9.3.0 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 git remote add chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel git fetch --no-tags chrome-os chromeos-5.4 git checkout 340c6a50cb273d407adaa19e0edabfb57139203c # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=csky If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): In file included from include/linux/init.h:5, from include/linux/io.h:10, from drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h:12, from drivers/media/platform/mtk-vcodec/vdec_vpu_if.c:7: include/asm-generic/fixmap.h: In function 'fix_to_virt': include/asm-generic/fixmap.h:32:19: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits] 32 | BUILD_BUG_ON(idx >= __end_of_fixed_addresses); | ^~ include/linux/compiler.h:397:9: note: in definition of macro '__compiletime_assert' 397 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler.h:417:2: note: in expansion of macro '_compiletime_assert' 417 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert' 39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' 50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) | ^~~~~~~~~~~~~~~~ include/asm-generic/fixmap.h:32:2: note: in expansion of macro 'BUILD_BUG_ON' 32 | BUILD_BUG_ON(idx >= __end_of_fixed_addresses); | ^~~~~~~~~~~~ drivers/media/platform/mtk-vcodec/vdec_vpu_if.c: In function 'handle_get_param_msg_ack': 60 | struct vdec_vpu_inst *vpu = (struct vdec_vpu_inst *)msg->ap_inst_addr; | ^ vim +60 drivers/media/platform/mtk-vcodec/vdec_vpu_if.c 56 57 static void handle_get_param_msg_ack( 58 const struct vdec_vpu_ipi_get_param_ack *msg) 59 { 61 62 mtk_vcodec_debug(vpu, "+ ap_inst_addr = 0x%llx", msg->ap_inst_addr); 63 64 /* param_type is enum vdec_get_param_type */ 65 switch(msg->param_type) { 66 case 2: 67 vpu->fb_sz[0] = msg->data[0]; 68 vpu->fb_sz[1] = msg->data[1]; 69 break; 70 default: 71 mtk_vcodec_err(vpu, "invalid get param type=%d", msg->param_type); 72 vpu->failure = 1; 73 break; 74 } 75 } 76 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org