linux-kernel - Re: [PATCH v5 4/7] drm/panthor: Introduce sampling sessions to handle userspace clients

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Message-ID: <202507261719.EKOvj9uv-lkp@intel.com>
Date: Sat, 26 Jul 2025 17:34:42 +0800
From: kernel test robot <lkp@...el.com>
To: Lukas Zapolskas <lukas.zapolskas@....com>,
	dri-devel@...ts.freedesktop.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev, nd@....com,
	Adrián Larumbe <adrian.larumbe@...labora.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>,
	linux-kernel@...r.kernel.org,
	Lukas Zapolskas <lukas.zapolskas@....com>
Subject: Re: [PATCH v5 4/7] drm/panthor: Introduce sampling sessions to
 handle userspace clients

Hi Lukas,

kernel test robot noticed the following build warnings:

[auto build test WARNING on e48123c607a0db8b9ad02f83c8c3d39918dbda06]

url:    https://github.com/intel-lab-lkp/linux/commits/Lukas-Zapolskas/drm-panthor-Add-performance-counter-uAPI/20250725-230250
base:   e48123c607a0db8b9ad02f83c8c3d39918dbda06
patch link:    https://lore.kernel.org/r/1a56b67cf8849bc3a6140d2163a0206d03bb9a60.1753449448.git.lukas.zapolskas%40arm.com
patch subject: [PATCH v5 4/7] drm/panthor: Introduce sampling sessions to handle userspace clients
config: x86_64-buildonly-randconfig-005-20250726 (https://download.01.org/0day-ci/archive/20250726/202507261719.EKOvj9uv-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/20250726/202507261719.EKOvj9uv-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/202507261719.EKOvj9uv-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> Warning: drivers/gpu/drm/panthor/panthor_perf.c:420 function parameter 'file' not described in 'panthor_perf_session_setup'
>> Warning: drivers/gpu/drm/panthor/panthor_perf.c:420 Excess function parameter 'ptdev' description in 'panthor_perf_session_setup'
>> Warning: drivers/gpu/drm/panthor/panthor_perf.c:420 Excess function parameter 'pfile' description in 'panthor_perf_session_setup'

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