linux-kernel - Re: [PATCH 1/1] gpu: drm: fix compilation errors in drm_vram

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Message-ID: <aImBLR7RBsWEFWNd@rli9-mobl>
Date: Wed, 30 Jul 2025 10:19:25 +0800
From: kernel test robot <lkp@...el.com>
To: chuguangqing <chuguangqing@...pur.com>, Maarten Lankhorst
	<maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>,
	Simona Vetter <simona@...ll.ch>
CC: <llvm@...ts.linux.dev>, <oe-kbuild-all@...ts.linux.dev>,
	<dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
	chuguangqing <chuguangqing@...pur.com>
Subject: Re: [PATCH 1/1] gpu: drm: fix compilation errors in drm_vram_helper

Hi chuguangqing,

kernel test robot noticed the following build errors:

[auto build test ERROR on linus/master]
[also build test ERROR on drm-misc/drm-misc-next v6.16 next-20250729]
[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/chuguangqing/gpu-drm-fix-compilation-errors-in-drm_vram_helper/20250729-141222
base:   linus/master
patch link:    https://lore.kernel.org/r/20250729060728.82402-1-chuguangqing%40inspur.com
patch subject: [PATCH 1/1] gpu: drm: fix compilation errors in drm_vram_helper
:::::: branch date: 16 hours ago
:::::: commit date: 16 hours ago
config: s390-randconfig-001-20250730 (https://download.01.org/0day-ci/archive/20250730/202507300646.kTchyjvh-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250730/202507300646.kTchyjvh-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/r/202507300646.kTchyjvh-lkp@intel.com/

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: drivers/gpu/drm/drm_gem_ttm_helper: 'drm_gem_ttm_print_info' exported twice. Previous export was in vmlinux
>> ERROR: modpost: drivers/gpu/drm/drm_gem_ttm_helper: 'drm_gem_ttm_vmap' exported twice. Previous export was in vmlinux
>> ERROR: modpost: drivers/gpu/drm/drm_gem_ttm_helper: 'drm_gem_ttm_vunmap' exported twice. Previous export was in vmlinux
>> ERROR: modpost: drivers/gpu/drm/drm_gem_ttm_helper: 'drm_gem_ttm_mmap' exported twice. Previous export was in vmlinux
>> ERROR: modpost: drivers/gpu/drm/drm_gem_ttm_helper: 'drm_gem_ttm_dumb_map_offset' exported twice. Previous export was in vmlinux

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki