linux-kernel - Re: [PATCH v4 4/7] drm/panthor: Introduce sampling sessions to handle userspace clients

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Message-ID: <202505171509.6i95NZ0n-lkp@intel.com>
Date: Sat, 17 May 2025 15:53:04 +0800
From: kernel test robot <lkp@...el.com>
To: Lukas Zapolskas <lukas.zapolskas@....com>,
	Boris Brezillon <bbrezillon@...nel.org>,
	Steven Price <steven.price@....com>,
	Liviu Dudau <liviu.dudau@....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>,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	Adrián Larumbe <adrian.larumbe@...labora.com>,
	Lukas Zapolskas <lukas.zapolskas@....com>
Subject: Re: [PATCH v4 4/7] drm/panthor: Introduce sampling sessions to
 handle userspace clients

Hi Lukas,

kernel test robot noticed the following build errors:

[auto build test ERROR on 96c85e428ebaeacd2c640eba075479ab92072ccd]

url:    https://github.com/intel-lab-lkp/linux/commits/Lukas-Zapolskas/drm-panthor-Add-performance-counter-uAPI/20250517-000257
base:   96c85e428ebaeacd2c640eba075479ab92072ccd
patch link:    https://lore.kernel.org/r/0319137f966f2dbffc54e51f7a2a3cbac837507b.1747148172.git.lukas.zapolskas%40arm.com
patch subject: [PATCH v4 4/7] drm/panthor: Introduce sampling sessions to handle userspace clients
config: i386-buildonly-randconfig-002-20250517 (https://download.01.org/0day-ci/archive/20250517/202505171509.6i95NZ0n-lkp@intel.com/config)
compiler: clang version 20.1.2 (https://github.com/llvm/llvm-project 58df0ef89dd64126512e4ee27b4ac3fd8ddf6247)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250517/202505171509.6i95NZ0n-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/202505171509.6i95NZ0n-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/panthor/panthor_perf.c:189:8: error: redefinition of 'panthor_perf_counter_block'
     189 | struct panthor_perf_counter_block {
         |        ^
   drivers/gpu/drm/panthor/panthor_perf.c:47:8: note: previous definition is here
      47 | struct panthor_perf_counter_block {
         |        ^
   drivers/gpu/drm/panthor/panthor_perf.c:233:29: error: call to undeclared function 'GPU_MEM_FEATURES_L2_SLICES'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     233 |         perf_info->memsys_blocks = GPU_MEM_FEATURES_L2_SLICES(ptdev->gpu_info.mem_features);
         |                                    ^
   2 errors generated.


vim +/panthor_perf_counter_block +189 drivers/gpu/drm/panthor/panthor_perf.c

05182d1d6cff3c7 Lukas Zapolskas 2025-05-16  188  
1c26af93f15f9e2 Lukas Zapolskas 2025-05-16 @189  struct panthor_perf_counter_block {
1c26af93f15f9e2 Lukas Zapolskas 2025-05-16  190  	struct drm_panthor_perf_block_header header;
1c26af93f15f9e2 Lukas Zapolskas 2025-05-16  191  	u64 counters[];
1c26af93f15f9e2 Lukas Zapolskas 2025-05-16  192  };
1c26af93f15f9e2 Lukas Zapolskas 2025-05-16  193  

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