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@intel.com>

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':
>> drivers/media/platform/mtk-vcodec/vdec_vpu_if.c:60:30: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
      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	{
  > 60		struct vdec_vpu_inst *vpu = (struct vdec_vpu_inst *)msg->ap_inst_addr;
    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(a)lists.01.org