Hi Yuanzhi, Thank you for the patch! Yet something to improve: [auto build test ERROR on drm-misc/drm-misc-next] [also build test ERROR on linus/master v6.2 next-20230227] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Yuanzhi-Wang/amdgpu-add-a-filter-condition-when-set-brightness/20230227-154108 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20230227073953.326-1-wangyuanzhi%40uniontech.com patch subject: [PATCH] amdgpu: add a filter condition when set brightness config: loongarch-randconfig-r036-20230226 (https://download.01.org/0day-ci/archive/20230227/202302272122.p3DfX4S8-lkp@xxxxxxxxx/config) compiler: loongarch64-linux-gcc (GCC) 12.1.0 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 # https://github.com/intel-lab-lkp/linux/commit/95d9579e31d0b601aa1422cf767ca5138d3efcee git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Yuanzhi-Wang/amdgpu-add-a-filter-condition-when-set-brightness/20230227-154108 git checkout 95d9579e31d0b601aa1422cf767ca5138d3efcee # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=loongarch olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=loongarch SHELL=/bin/bash drivers/gpu/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202302272122.p3DfX4S8-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c: In function 'amdgpu_atif_handler': drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c:449:50: warning: missing terminating " character 449 | DRM_WARN("old brightness %d is greater than ACPI brightness | ^ drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c:450:53: warning: missing terminating " character 450 | %d\n", old_brightness, req.backlight_level); | ^ >> cc1: error: unterminated argument list invoking macro "DRM_WARN" >> drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c:449:41: error: 'DRM_WARN' undeclared (first use in this function) 449 | DRM_WARN("old brightness %d is greater than ACPI brightness | ^~~~~~~~ drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c:449:41: note: each undeclared identifier is reported only once for each function it appears in >> drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c:449:49: error: expected ';' at end of input 449 | DRM_WARN("old brightness %d is greater than ACPI brightness | ^ | ; ...... drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c:448:33: note: '-Wmisleading-indentation' is disabled from this point onwards, since column-tracking was disabled due to the size of the code/headers 448 | if (old_brightness > req.backlight_level) | ^~ drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c:448:33: note: adding '-flarge-source-files' will allow for more column-tracking support, at the expense of compilation time and memory >> drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c:449:41: error: expected declaration or statement at end of input 449 | DRM_WARN("old brightness %d is greater than ACPI brightness | ^~~~~~~~ >> drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c:449:41: error: expected declaration or statement at end of input >> drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c:449:41: error: expected declaration or statement at end of input >> drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c:449:41: error: expected declaration or statement at end of input drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c: At top level: drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c:404:12: warning: 'amdgpu_atif_handler' defined but not used [-Wunused-function] 404 | static int amdgpu_atif_handler(struct amdgpu_device *adev, | ^~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c:308:12: warning: 'amdgpu_atif_query_backlight_caps' defined but not used [-Wunused-function] 308 | static int amdgpu_atif_query_backlight_caps(struct amdgpu_atif *atif) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c:240:12: warning: 'amdgpu_atif_get_notification_params' defined but not used [-Wunused-function] 240 | static int amdgpu_atif_get_notification_params(struct amdgpu_atif *atif) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c:195:12: warning: 'amdgpu_atif_verify_interface' defined but not used [-Wunused-function] 195 | static int amdgpu_atif_verify_interface(struct amdgpu_atif *atif) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dc_types.h:36, from drivers/gpu/drm/amd/amdgpu/../display/dc/dm_services_types.h:30, from drivers/gpu/drm/amd/amdgpu/../include/dm_pp_interface.h:26, from drivers/gpu/drm/amd/amdgpu/amdgpu.h:64, from drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c:35: drivers/gpu/drm/amd/amdgpu/../display/dc/dc_hdmi_types.h:53:22: warning: 'dp_hdmi_dongle_signature_str' defined but not used [-Wunused-const-variable=] 53 | static const uint8_t dp_hdmi_dongle_signature_str[] = "DP-HDMI ADAPTOR"; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests