linux-kernel - drivers/gpu/drm/sti/sti_plane.h:32:28: error: bitwise operation between different enumeration types ('enum sti_plane_type' and 'enum sti_plane_id_of

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Message-ID: <202409050827.ygmp05pG-lkp@intel.com>
Date: Thu, 5 Sep 2024 08:32:46 +0800
From: kernel test robot <lkp@...el.com>
To: Ville Syrjälä <ville.syrjala@...ux.intel.com>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: drivers/gpu/drm/sti/sti_plane.h:32:28: error: bitwise operation
 between different enumeration types ('enum sti_plane_type' and 'enum
 sti_plane_id_of_type')

Hi Ville,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   c763c43396883456ef57e5e78b64d3c259c4babc
commit: 74bde7581df3e18061119e1b27b63d0a9ea57b7a drm/sti: Allow build with COMPILE_TEST=y
date:   3 months ago
config: powerpc-randconfig-002-20240905 (https://download.01.org/0day-ci/archive/20240905/202409050827.ygmp05pG-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 05f5a91d00b02f4369f46d076411c700755ae041)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240905/202409050827.ygmp05pG-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/202409050827.ygmp05pG-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from drivers/gpu/drm/sti/sti_compositor.c:10:
   In file included from include/linux/io.h:14:
   In file included from arch/powerpc/include/asm/io.h:24:
   In file included from include/linux/mm.h:2253:
   include/linux/vmstat.h:514:36: error: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Werror,-Wenum-enum-conversion]
     514 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
         |                               ~~~~~~~~~~~ ^ ~~~
   In file included from drivers/gpu/drm/sti/sti_compositor.c:20:
   In file included from drivers/gpu/drm/sti/sti_compositor.h:15:
   In file included from drivers/gpu/drm/sti/sti_mixer.h:17:
>> drivers/gpu/drm/sti/sti_plane.h:32:28: error: bitwise operation between different enumeration types ('enum sti_plane_type' and 'enum sti_plane_id_of_type') [-Werror,-Wenum-enum-conversion]
      32 |         STI_GDP_0       = STI_GDP | STI_ID_0,
         |                           ~~~~~~~ ^ ~~~~~~~~
   drivers/gpu/drm/sti/sti_plane.h:33:28: error: bitwise operation between different enumeration types ('enum sti_plane_type' and 'enum sti_plane_id_of_type') [-Werror,-Wenum-enum-conversion]
      33 |         STI_GDP_1       = STI_GDP | STI_ID_1,
         |                           ~~~~~~~ ^ ~~~~~~~~
   drivers/gpu/drm/sti/sti_plane.h:34:28: error: bitwise operation between different enumeration types ('enum sti_plane_type' and 'enum sti_plane_id_of_type') [-Werror,-Wenum-enum-conversion]
      34 |         STI_GDP_2       = STI_GDP | STI_ID_2,
         |                           ~~~~~~~ ^ ~~~~~~~~
   drivers/gpu/drm/sti/sti_plane.h:35:28: error: bitwise operation between different enumeration types ('enum sti_plane_type' and 'enum sti_plane_id_of_type') [-Werror,-Wenum-enum-conversion]
      35 |         STI_GDP_3       = STI_GDP | STI_ID_3,
         |                           ~~~~~~~ ^ ~~~~~~~~
   drivers/gpu/drm/sti/sti_plane.h:36:28: error: bitwise operation between different enumeration types ('enum sti_plane_type' and 'enum sti_plane_id_of_type') [-Werror,-Wenum-enum-conversion]
      36 |         STI_HQVDP_0     = STI_VDP | STI_ID_0,
         |                           ~~~~~~~ ^ ~~~~~~~~
   6 errors generated.


vim +32 drivers/gpu/drm/sti/sti_plane.h

871bcdfea68560 drivers/gpu/drm/sti/sti_drm_plane.h Vincent Abriou 2015-07-31  30  
871bcdfea68560 drivers/gpu/drm/sti/sti_drm_plane.h Vincent Abriou 2015-07-31  31  enum sti_plane_desc {
871bcdfea68560 drivers/gpu/drm/sti/sti_drm_plane.h Vincent Abriou 2015-07-31 @32  	STI_GDP_0       = STI_GDP | STI_ID_0,
871bcdfea68560 drivers/gpu/drm/sti/sti_drm_plane.h Vincent Abriou 2015-07-31  33  	STI_GDP_1       = STI_GDP | STI_ID_1,
871bcdfea68560 drivers/gpu/drm/sti/sti_drm_plane.h Vincent Abriou 2015-07-31  34  	STI_GDP_2       = STI_GDP | STI_ID_2,
871bcdfea68560 drivers/gpu/drm/sti/sti_drm_plane.h Vincent Abriou 2015-07-31  35  	STI_GDP_3       = STI_GDP | STI_ID_3,
871bcdfea68560 drivers/gpu/drm/sti/sti_drm_plane.h Vincent Abriou 2015-07-31  36  	STI_HQVDP_0     = STI_VDP | STI_ID_0,
871bcdfea68560 drivers/gpu/drm/sti/sti_drm_plane.h Vincent Abriou 2015-07-31  37  	STI_CURSOR      = STI_CUR,
871bcdfea68560 drivers/gpu/drm/sti/sti_drm_plane.h Vincent Abriou 2015-07-31  38  	STI_BACK        = STI_BCK
871bcdfea68560 drivers/gpu/drm/sti/sti_drm_plane.h Vincent Abriou 2015-07-31  39  };
871bcdfea68560 drivers/gpu/drm/sti/sti_drm_plane.h Vincent Abriou 2015-07-31  40  

:::::: The code at line 32 was first introduced by commit
:::::: 871bcdfea68560991bd650406e47a801ab9d635d drm/sti: code clean up

:::::: TO: Vincent Abriou <vincent.abriou@...com>
:::::: CC: Benjamin Gaignard <benjamin.gaignard@...aro.org>

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