Re: [PATCH v5 7/7] drm/mediatek: Add mt8195 DisplayPort driver

kernel test robot
2021-11-12T04:55:39Z

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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 next-20211111]
[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/20211021-172815
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/cacf71bb7517b3ea11577d354daf7024551aa948
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/20211021-172815
git checkout cacf71bb7517b3ea11577d354daf7024551aa948
# 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@intel.com>

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@lists.01.org

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