tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: ab38272e99730375c5db3db1c4cebf691a0550ab commit: 31aad22e2b3cfe89aef45015a9c7e4f7c0646daa [9592/10218] drm/amdgpu/psp: Add vbflash sysfs interface support config: mips-randconfig-r015-20220509 (https://download.01.org/0day-ci/archive/20220510/202205100612.ZAcTYE6P-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=31aad22e2b3cfe89aef45015a9c7e4f7c0646daa 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 31aad22e2b3cfe89aef45015a9c7e4f7c0646daa # 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 warnings (new ones prefixed by >>): drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c:3459:3: error: implicit declaration of function 'vfree' [-Werror,-Wimplicit-function-declaration] vfree(adev->psp.vbflash_tmp_buf); ^ drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c:3467:31: error: implicit declaration of function 'vmalloc' [-Werror,-Wimplicit-function-declaration] adev->psp.vbflash_tmp_buf = vmalloc(AMD_VBIOS_FILE_MAX_SIZE_B); ^ >> drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c:3467:29: 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:3514:2: error: implicit declaration of function 'vfree' [-Werror,-Wimplicit-function-declaration] vfree(adev->psp.vbflash_tmp_buf); ^ 1 warning and 3 errors generated. vim +3467 drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c 3447 3448 static ssize_t amdgpu_psp_vbflash_write(struct file *filp, struct kobject *kobj, 3449 struct bin_attribute *bin_attr, 3450 char *buffer, loff_t pos, size_t count) 3451 { 3452 struct device *dev = kobj_to_dev(kobj); 3453 struct drm_device *ddev = dev_get_drvdata(dev); 3454 struct amdgpu_device *adev = drm_to_adev(ddev); 3455 3456 /* Safeguard against memory drain */ 3457 if (adev->psp.vbflash_image_size > AMD_VBIOS_FILE_MAX_SIZE_B) { 3458 dev_err(adev->dev, "File size cannot exceed %u", AMD_VBIOS_FILE_MAX_SIZE_B); 3459 vfree(adev->psp.vbflash_tmp_buf); 3460 adev->psp.vbflash_tmp_buf = NULL; 3461 adev->psp.vbflash_image_size = 0; 3462 return -ENOMEM; 3463 } 3464 3465 /* TODO Just allocate max for now and optimize to realloc later if needed */ 3466 if (!adev->psp.vbflash_tmp_buf) { > 3467 adev->psp.vbflash_tmp_buf = vmalloc(AMD_VBIOS_FILE_MAX_SIZE_B); 3468 if (!adev->psp.vbflash_tmp_buf) 3469 return -ENOMEM; 3470 } 3471 3472 mutex_lock(&adev->psp.mutex); 3473 memcpy(adev->psp.vbflash_tmp_buf + pos, buffer, count); 3474 adev->psp.vbflash_image_size += count; 3475 mutex_unlock(&adev->psp.mutex); 3476 3477 dev_info(adev->dev, "VBIOS flash write PSP done"); 3478 3479 return count; 3480 } 3481 -- 0-DAY CI Kernel Test Service https://01.org/lkp
