tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: ab38272e99730375c5db3db1c4cebf691a0550ab commit: d5a442f3ad3079cb23913c1a0cdd2ef6642145df [10120/10218] Merge branch 'drm-next' of https://gitlab.freedesktop.org/agd5f/linux config: mips-randconfig-r015-20220509 (https://download.01.org/0day-ci/archive/20220510/202205101016.RrkUuGWK-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 3abb68a626160e019c30a4860e569d7bc75e486a) 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 mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=d5a442f3ad3079cb23913c1a0cdd2ef6642145df git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout d5a442f3ad3079cb23913c1a0cdd2ef6642145df # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/gpu/drm/amd/amdgpu/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c:3461:3: error: call to undeclared function 'vfree'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] vfree(adev->psp.vbflash_tmp_buf); ^ >> drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c:3469:31: error: call to undeclared function 'vmalloc'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] adev->psp.vbflash_tmp_buf = vmalloc(AMD_VBIOS_FILE_MAX_SIZE_B); ^ drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c:3469:29: warning: incompatible integer to pointer conversion assigning to 'char *' from 'int' [-Wint-conversion] adev->psp.vbflash_tmp_buf = vmalloc(AMD_VBIOS_FILE_MAX_SIZE_B); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c:3516:2: error: call to undeclared function 'vfree'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] vfree(adev->psp.vbflash_tmp_buf); ^ 1 warning and 3 errors generated. vim +/vfree +3461 drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c 57430471e2fa60 Andrey Grodzovsky 2019-12-19 3447 31aad22e2b3cfe Likun Gao 2022-02-22 3448 static ssize_t amdgpu_psp_vbflash_write(struct file *filp, struct kobject *kobj, 31aad22e2b3cfe Likun Gao 2022-02-22 3449 struct bin_attribute *bin_attr, 31aad22e2b3cfe Likun Gao 2022-02-22 3450 char *buffer, loff_t pos, size_t count) 31aad22e2b3cfe Likun Gao 2022-02-22 3451 { 31aad22e2b3cfe Likun Gao 2022-02-22 3452 struct device *dev = kobj_to_dev(kobj); 31aad22e2b3cfe Likun Gao 2022-02-22 3453 struct drm_device *ddev = dev_get_drvdata(dev); 31aad22e2b3cfe Likun Gao 2022-02-22 3454 struct amdgpu_device *adev = drm_to_adev(ddev); 31aad22e2b3cfe Likun Gao 2022-02-22 3455 81bd7fe019e195 Likun Gao 2022-05-05 3456 adev->psp.vbflash_done = false; 81bd7fe019e195 Likun Gao 2022-05-05 3457 31aad22e2b3cfe Likun Gao 2022-02-22 3458 /* Safeguard against memory drain */ 31aad22e2b3cfe Likun Gao 2022-02-22 3459 if (adev->psp.vbflash_image_size > AMD_VBIOS_FILE_MAX_SIZE_B) { 31aad22e2b3cfe Likun Gao 2022-02-22 3460 dev_err(adev->dev, "File size cannot exceed %u", AMD_VBIOS_FILE_MAX_SIZE_B); 31aad22e2b3cfe Likun Gao 2022-02-22 @3461 vfree(adev->psp.vbflash_tmp_buf); 31aad22e2b3cfe Likun Gao 2022-02-22 3462 adev->psp.vbflash_tmp_buf = NULL; 31aad22e2b3cfe Likun Gao 2022-02-22 3463 adev->psp.vbflash_image_size = 0; 31aad22e2b3cfe Likun Gao 2022-02-22 3464 return -ENOMEM; 31aad22e2b3cfe Likun Gao 2022-02-22 3465 } 31aad22e2b3cfe Likun Gao 2022-02-22 3466 31aad22e2b3cfe Likun Gao 2022-02-22 3467 /* TODO Just allocate max for now and optimize to realloc later if needed */ 31aad22e2b3cfe Likun Gao 2022-02-22 3468 if (!adev->psp.vbflash_tmp_buf) { 31aad22e2b3cfe Likun Gao 2022-02-22 @3469 adev->psp.vbflash_tmp_buf = vmalloc(AMD_VBIOS_FILE_MAX_SIZE_B); 31aad22e2b3cfe Likun Gao 2022-02-22 3470 if (!adev->psp.vbflash_tmp_buf) 31aad22e2b3cfe Likun Gao 2022-02-22 3471 return -ENOMEM; 31aad22e2b3cfe Likun Gao 2022-02-22 3472 } 31aad22e2b3cfe Likun Gao 2022-02-22 3473 31aad22e2b3cfe Likun Gao 2022-02-22 3474 mutex_lock(&adev->psp.mutex); 31aad22e2b3cfe Likun Gao 2022-02-22 3475 memcpy(adev->psp.vbflash_tmp_buf + pos, buffer, count); 31aad22e2b3cfe Likun Gao 2022-02-22 3476 adev->psp.vbflash_image_size += count; 31aad22e2b3cfe Likun Gao 2022-02-22 3477 mutex_unlock(&adev->psp.mutex); 31aad22e2b3cfe Likun Gao 2022-02-22 3478 31aad22e2b3cfe Likun Gao 2022-02-22 3479 dev_info(adev->dev, "VBIOS flash write PSP done"); 31aad22e2b3cfe Likun Gao 2022-02-22 3480 31aad22e2b3cfe Likun Gao 2022-02-22 3481 return count; 31aad22e2b3cfe Likun Gao 2022-02-22 3482 } 31aad22e2b3cfe Likun Gao 2022-02-22 3483 :::::: The code at line 3461 was first introduced by commit :::::: 31aad22e2b3cfe89aef45015a9c7e4f7c0646daa drm/amdgpu/psp: Add vbflash sysfs interface support :::::: TO: Likun Gao <Likun.Gao@xxxxxxx> :::::: CC: Alex Deucher <alexander.deucher@xxxxxxx> -- 0-DAY CI Kernel Test Service https://01.org/lkp
