Hi Markus, Thank you for the patch! Yet something to improve: [auto build test ERROR on robh/for-next] [also build test ERROR on pza/reset/next linus/master v5.15-rc5 next-20211011] [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/Markus-Schneider-Pargmann/drm-mediatek-Add-mt8195-DisplayPort-driver/20211011-174743 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next config: arm-allyesconfig (attached as .config) compiler: arm-linux-gnueabi-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/dbbfbf0abd862cfc9b617b8a770a10a18d0183a9 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Markus-Schneider-Pargmann/drm-mediatek-Add-mt8195-DisplayPort-driver/20211011-174743 git checkout dbbfbf0abd862cfc9b617b8a770a10a18d0183a9 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=arm 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/mediatek/mtk_dp.c:1031:6: error: no previous prototype for 'mtk_dp_initialize_settings' [-Werror=missing-prototypes] 1031 | void mtk_dp_initialize_settings(struct mtk_dp *mtk_dp) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ 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_helper.h:31, from drivers/gpu/drm/mediatek/mtk_dp.c:7: drivers/gpu/drm/mediatek/mtk_dp.c: In function 'mtk_dp_hpd_sink_event': >> include/drm/drm_print.h:412:39: error: format '%ld' expects argument of type 'long int', but argument 3 has type 'ssize_t' {aka 'int'} [-Werror=format=] 412 | dev_##level##type((drm)->dev, "[drm] " fmt, ##__VA_ARGS__) | ^~~~~~~~ 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:150:58: note: in expansion of macro 'dev_fmt' 150 | dev_printk_index_wrap(_dev_info, KERN_INFO, dev, dev_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~ include/drm/drm_print.h:412:9: note: in expansion of macro 'dev_info' 412 | dev_##level##type((drm)->dev, "[drm] " fmt, ##__VA_ARGS__) | ^~~~ include/drm/drm_print.h:416:9: note: in expansion of macro '__drm_printk' 416 | __drm_printk((drm), info,, fmt, ##__VA_ARGS__) | ^~~~~~~~~~~~ drivers/gpu/drm/mediatek/mtk_dp.c:1445:17: note: in expansion of macro 'drm_info' 1445 | drm_info(mtk_dp->drm_dev, | ^~~~~~~~ >> include/drm/drm_print.h:412:39: error: format '%ld' expects argument of type 'long int', but argument 3 has type 'ssize_t' {aka 'int'} [-Werror=format=] 412 | dev_##level##type((drm)->dev, "[drm] " fmt, ##__VA_ARGS__) | ^~~~~~~~ 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:150:58: note: in expansion of macro 'dev_fmt' 150 | dev_printk_index_wrap(_dev_info, KERN_INFO, dev, dev_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~ include/drm/drm_print.h:412:9: note: in expansion of macro 'dev_info' 412 | dev_##level##type((drm)->dev, "[drm] " fmt, ##__VA_ARGS__) | ^~~~ include/drm/drm_print.h:416:9: note: in expansion of macro '__drm_printk' 416 | __drm_printk((drm), info,, fmt, ##__VA_ARGS__) | ^~~~~~~~~~~~ drivers/gpu/drm/mediatek/mtk_dp.c:1452:17: note: in expansion of macro 'drm_info' 1452 | drm_info(mtk_dp->drm_dev, | ^~~~~~~~ >> include/drm/drm_print.h:412:39: error: format '%ld' expects argument of type 'long int', but argument 3 has type 'ssize_t' {aka 'int'} [-Werror=format=] 412 | dev_##level##type((drm)->dev, "[drm] " fmt, ##__VA_ARGS__) | ^~~~~~~~ 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:150:58: note: in expansion of macro 'dev_fmt' 150 | dev_printk_index_wrap(_dev_info, KERN_INFO, dev, dev_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~ include/drm/drm_print.h:412:9: note: in expansion of macro 'dev_info' 412 | dev_##level##type((drm)->dev, "[drm] " fmt, ##__VA_ARGS__) | ^~~~ include/drm/drm_print.h:416:9: note: in expansion of macro '__drm_printk' 416 | __drm_printk((drm), info,, fmt, ##__VA_ARGS__) | ^~~~~~~~~~~~ drivers/gpu/drm/mediatek/mtk_dp.c:1460:17: note: in expansion of macro 'drm_info' 1460 | drm_info(mtk_dp->drm_dev, "Read link status failed: %ld\n", | ^~~~~~~~ cc1: all warnings being treated as errors vim +/mtk_dp_initialize_settings +1031 drivers/gpu/drm/mediatek/mtk_dp.c 1030 > 1031 void mtk_dp_initialize_settings(struct mtk_dp *mtk_dp) 1032 { 1033 mtk_dp_update_bits(mtk_dp, MTK_DP_TRANS_P0_342C, 1034 XTAL_FREQ_DP_TRANS_P0_DEFAULT, 1035 XTAL_FREQ_DP_TRANS_P0_MASK); 1036 mtk_dp_update_bits(mtk_dp, MTK_DP_TRANS_P0_3540, 1037 BIT(FEC_CLOCK_EN_MODE_DP_TRANS_P0_SHIFT), 1038 FEC_CLOCK_EN_MODE_DP_TRANS_P0_MASK); 1039 mtk_dp_update_bits(mtk_dp, MTK_DP_ENC0_P0_31EC, 1040 BIT(AUDIO_CH_SRC_SEL_DP_ENC0_P0_SHIFT), 1041 AUDIO_CH_SRC_SEL_DP_ENC0_P0_MASK); 1042 mtk_dp_update_bits(mtk_dp, MTK_DP_ENC0_P0_304C, 0, 1043 SDP_VSYNC_RISING_MASK_DP_ENC0_P0_MASK); 1044 mtk_dp_update_bits(mtk_dp, MTK_DP_TOP_IRQ_MASK, IRQ_MASK_AUX_TOP_IRQ, 1045 IRQ_MASK_AUX_TOP_IRQ); 1046 } 1047 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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