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Message-ID: <202411131438.RZWYrWTE-lkp@intel.com>
Date: Wed, 13 Nov 2024 14:42:53 +0800
From: kernel test robot <lkp@...el.com>
To: Yongbang Shi <shiyongbang@...wei.com>, xinliang.liu@...aro.org,
tiantao6@...ilicon.com, maarten.lankhorst@...ux.intel.com,
mripard@...nel.org, tzimmermann@...e.de, airlied@...il.com,
daniel@...ll.ch, kong.kongxinwei@...ilicon.com
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
liangjian010@...wei.com, chenjianmin@...wei.com,
lidongming5@...wei.com, shiyongbang@...wei.com, libaihan@...wei.com,
shenjian15@...wei.com, shaojijie@...wei.com,
dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 drm-dp 1/5] drm/hisilicon/hibmc: add dp aux in hibmc
Hi Yongbang,
kernel test robot noticed the following build warnings:
[auto build test WARNING on linus/master]
[also build test WARNING on drm-misc/drm-misc-next v6.12-rc7 next-20241112]
[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/Yongbang-Shi/drm-hisilicon-hibmc-add-dp-aux-in-hibmc/20241113-013224
base: linus/master
patch link: https://lore.kernel.org/r/20241112132348.2631150-2-shiyongbang%40huawei.com
patch subject: [PATCH v4 drm-dp 1/5] drm/hisilicon/hibmc: add dp aux in hibmc
config: x86_64-buildonly-randconfig-003-20241113 (https://download.01.org/0day-ci/archive/20241113/202411131438.RZWYrWTE-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241113/202411131438.RZWYrWTE-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202411131438.RZWYrWTE-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from drivers/gpu/drm/hisilicon/hibmc/dp/dp_aux.c:9:
In file included from drivers/gpu/drm/hisilicon/hibmc/dp/dp_comm.h:14:
In file included from include/drm/display/drm_dp_helper.h:27:
In file included from include/linux/i2c.h:19:
In file included from include/linux/regulator/consumer.h:35:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:21:
In file included from include/linux/mm.h:2213:
include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
In file included from drivers/gpu/drm/hisilicon/hibmc/dp/dp_aux.c:9:
>> drivers/gpu/drm/hisilicon/hibmc/dp/dp_comm.h:31:11: warning: result of comparison of constant 18446744073709551615 with expression of type 'typeof (_Generic((mask), char: (unsigned char)0, unsigned char: (unsigned char)0, signed char: (unsigned char)0, unsigned short: (unsigned short)0, short: (unsigned short)0, unsigned int: (unsigned int)0, int: (unsigned int)0, unsigned long: (unsigned long)0, long: (unsigned long)0, unsigned long long: (unsigned long long)0, long long: (unsigned long long)0, default: (mask)))' (aka 'unsigned int') is always false [-Wtautological-constant-out-of-range-compare]
31 | value |= FIELD_PREP(mask, val);
| ^~~~~~~~~~~~~~~~~~~~~
include/linux/bitfield.h:115:3: note: expanded from macro 'FIELD_PREP'
115 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/bitfield.h:72:53: note: expanded from macro '__BF_FIELD_CHECK'
72 | BUILD_BUG_ON_MSG(__bf_cast_unsigned(_mask, _mask) > \
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
73 | __bf_cast_unsigned(_reg, ~0ull), \
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
74 | _pfx "type of reg too small for mask"); \
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:58: note: expanded from macro 'BUILD_BUG_ON_MSG'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
include/linux/compiler_types.h:517:22: note: expanded from macro 'compiletime_assert'
517 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:505:23: note: expanded from macro '_compiletime_assert'
505 | __compiletime_assert(condition, msg, prefix, suffix)
| ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:497:9: note: expanded from macro '__compiletime_assert'
497 | if (!(condition)) \
| ^~~~~~~~~
2 warnings generated.
vim +31 drivers/gpu/drm/hisilicon/hibmc/dp/dp_comm.h
22
23 static inline void hibmc_dp_reg_write_field(struct hibmc_dp_dev *dp, u32 offset, u32 mask, u32 val)
24 {
25 u32 value;
26
27 mutex_lock(&dp->lock);
28
29 value = readl(dp->base + offset);
30 value &= ~mask;
> 31 value |= FIELD_PREP(mask, val);
32 writel(value, dp->base + offset);
33
34 mutex_unlock(&dp->lock);
35 }
36
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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