Hi Sean, I love your patch! Perhaps something to improve: [auto build test WARNING on drm/drm-next] [also build test WARNING on drm-intel/for-linux-next drm-tip/drm-tip drm-exynos/exynos-drm-next next-20220309] [cannot apply to tegra-drm/drm/tegra/for-next airlied/drm-next v5.17-rc7] [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] url: https://github.com/0day-ci/linux/commits/Sean-Paul/drm-amdgpu-Add-support-for-drm_privacy_screen/20220309-230712 base: git://anongit.freedesktop.org/drm/drm drm-next config: arc-randconfig-r043-20220309 (https://download.01.org/0day-ci/archive/20220310/202203100441.aipzrKHU-lkp@xxxxxxxxx/config) compiler: arceb-elf-gcc (GCC) 11.2.0 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/0day-ci/linux/commit/6fedd7f8ea75c68634df4fa3cbacb0ee5f2fc984 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Sean-Paul/drm-amdgpu-Add-support-for-drm_privacy_screen/20220309-230712 git checkout 6fedd7f8ea75c68634df4fa3cbacb0ee5f2fc984 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash drivers/gpu/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_mst_types.c:44: drivers/gpu/drm/amd/amdgpu/../display/dmub/inc/dmub_cmd.h: In function 'dmub_rb_flush_pending': drivers/gpu/drm/amd/amdgpu/../display/dmub/inc/dmub_cmd.h:2961:26: warning: variable 'temp' set but not used [-Wunused-but-set-variable] 2961 | uint64_t temp; | ^~~~ In file included from include/linux/device.h:15, from include/linux/acpi.h:15, from include/linux/i2c.h:13, from include/drm/drm_crtc.h:28, from include/drm/drm_atomic.h:31, from drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_mst_types.c:26: drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_mst_types.c: In function 'amdgpu_dm_initialize_dp_connector': >> drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:41:22: warning: format '%d' expects argument of type 'int', but argument 3 has type 'long int' [-Wformat=] 41 | #define dev_fmt(fmt) "amdgpu: " fmt | ^~~~~~~~~~ include/linux/dev_printk.h:110:30: note: in definition of macro 'dev_printk_index_wrap' 110 | _p_func(dev, fmt, ##__VA_ARGS__); \ | ^~~ include/linux/dev_printk.h:144:56: note: in expansion of macro 'dev_fmt' 144 | dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~ include/drm/drm_print.h:425:9: note: in expansion of macro 'dev_err' 425 | dev_##level##type((drm)->dev, "[drm] " fmt, ##__VA_ARGS__) | ^~~~ include/drm/drm_print.h:438:9: note: in expansion of macro '__drm_printk' 438 | __drm_printk((drm), err,, "*ERROR* " fmt, ##__VA_ARGS__) | ^~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_mst_types.c:533:25: note: in expansion of macro 'drm_err' 533 | drm_err(dev, "Error getting privacy screen, ret=%d\n", | ^~~~~~~ In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/inc/dc_link_ddc.h:29, from drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_mst_types.c:39: At top level: drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:128:22: warning: 'SYNAPTICS_DEVICE_ID' defined but not used [-Wunused-const-variable=] 128 | static const uint8_t SYNAPTICS_DEVICE_ID[] = "SYNA"; | ^~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:125:22: warning: 'DP_SINK_DEVICE_STR_ID_2' defined but not used [-Wunused-const-variable=] 125 | static const uint8_t DP_SINK_DEVICE_STR_ID_2[] = {7, 1, 8, 7, 5, 0}; | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:124:22: warning: 'DP_SINK_DEVICE_STR_ID_1' defined but not used [-Wunused-const-variable=] 124 | static const uint8_t DP_SINK_DEVICE_STR_ID_1[] = {7, 1, 8, 7, 3, 0}; | ^~~~~~~~~~~~~~~~~~~~~~~ vim +41 drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h 539489fc91ea77 Aurabindo Pillai 2020-04-08 40 539489fc91ea77 Aurabindo Pillai 2020-04-08 @41 #define dev_fmt(fmt) "amdgpu: " fmt 539489fc91ea77 Aurabindo Pillai 2020-04-08 42 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx