linux-kernel - Re: [PATCH 1/2] drm/imagination: Define packed BVNCs in the uapi

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <202602070204.PjaKNSpZ-lkp@intel.com>
Date: Sat, 7 Feb 2026 02:57:38 +0800
From: kernel test robot <lkp@...el.com>
To: Matt Coster <matt.coster@...tec.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: oe-kbuild-all@...ts.linux.dev, Frank Binns <frank.binns@...tec.com>,
	Brajesh Gupta <brajesh.gupta@...tec.com>,
	Alessio Belle <alessio.belle@...tec.com>,
	Alexandru Dadu <alexandru.dadu@...tec.com>,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
	Matt Coster <matt.coster@...tec.com>
Subject: Re: [PATCH 1/2] drm/imagination: Define packed BVNCs in the uapi

Hi Matt,

kernel test robot noticed the following build errors:

[auto build test ERROR on 55473b60178060a4fdb4631bd0c91879cc7d18d8]

url:    https://github.com/intel-lab-lkp/linux/commits/Matt-Coster/drm-imagination-Define-packed-BVNCs-in-the-uapi/20260206-175844
base:   55473b60178060a4fdb4631bd0c91879cc7d18d8
patch link:    https://lore.kernel.org/r/20260206-bvnc-cleanup-v1-1-f3c818541fbe%40imgtec.com
patch subject: [PATCH 1/2] drm/imagination: Define packed BVNCs in the uapi
config: riscv-randconfig-r112-20260206 (https://download.01.org/0day-ci/archive/20260207/202602070204.PjaKNSpZ-lkp@intel.com/config)
compiler: riscv64-linux-gcc (GCC) 10.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260207/202602070204.PjaKNSpZ-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/202602070204.PjaKNSpZ-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/gpu/drm/imagination/pvr_device.c: In function 'pvr_gpu_support_level':
>> drivers/gpu/drm/imagination/pvr_device.c:550:2: error: case label does not reduce to an integer constant
     550 |  case PVR_PACKED_BVNC(33, 15, 11, 3):
         |  ^~~~
   drivers/gpu/drm/imagination/pvr_device.c:551:2: error: case label does not reduce to an integer constant
     551 |  case PVR_PACKED_BVNC(36, 53, 104, 796):
         |  ^~~~
   drivers/gpu/drm/imagination/pvr_device.c:554:2: error: case label does not reduce to an integer constant
     554 |  case PVR_PACKED_BVNC(36, 52, 104, 182):
         |  ^~~~


vim +550 drivers/gpu/drm/imagination/pvr_device.c

1c21f240fbc1e4 Matt Coster 2026-01-13  545  
1c21f240fbc1e4 Matt Coster 2026-01-13  546  static enum pvr_gpu_support_level
1c21f240fbc1e4 Matt Coster 2026-01-13  547  pvr_gpu_support_level(const struct pvr_gpu_id *gpu_id)
1c21f240fbc1e4 Matt Coster 2026-01-13  548  {
1c21f240fbc1e4 Matt Coster 2026-01-13  549  	switch (pvr_gpu_id_to_packed_bvnc(gpu_id)) {
1c21f240fbc1e4 Matt Coster 2026-01-13 @550  	case PVR_PACKED_BVNC(33, 15, 11, 3):
1c21f240fbc1e4 Matt Coster 2026-01-13  551  	case PVR_PACKED_BVNC(36, 53, 104, 796):
1c21f240fbc1e4 Matt Coster 2026-01-13  552  		return PVR_GPU_SUPPORTED;
1c21f240fbc1e4 Matt Coster 2026-01-13  553  
1c21f240fbc1e4 Matt Coster 2026-01-13  554  	case PVR_PACKED_BVNC(36, 52, 104, 182):
1c21f240fbc1e4 Matt Coster 2026-01-13  555  		return PVR_GPU_EXPERIMENTAL;
1c21f240fbc1e4 Matt Coster 2026-01-13  556  
1c21f240fbc1e4 Matt Coster 2026-01-13  557  	default:
1c21f240fbc1e4 Matt Coster 2026-01-13  558  		return PVR_GPU_UNKNOWN;
1c21f240fbc1e4 Matt Coster 2026-01-13  559  	}
1c21f240fbc1e4 Matt Coster 2026-01-13  560  }
1c21f240fbc1e4 Matt Coster 2026-01-13  561  

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