[drm-tip:drm-tip 704/756] 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')

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tree:   git://anongit.freedesktop.org/drm/drm-tip drm-tip
head:   7f185f40c08953b3ba9e30c81ee74453e1af9aff
commit: 74bde7581df3e18061119e1b27b63d0a9ea57b7a [704/756] drm/sti: Allow build with COMPILE_TEST=y
config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20240529/202405292010.YauFDJET-lkp@xxxxxxxxx/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project bafda89a0944d947fc4b3b5663185e07a397ac30)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240529/202405292010.YauFDJET-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202405292010.YauFDJET-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

   In file included from drivers/gpu/drm/sti/sti_mixer.c:14:
   In file included from drivers/gpu/drm/sti/sti_compositor.h:15:
   In file included from drivers/gpu/drm/sti/sti_mixer.h:12:
   In file included from include/drm/drm_crtc.h:32:
   In file included from include/drm/drm_modes.h:33:
   In file included from include/drm/drm_connector.h:32:
   In file included from include/drm/drm_util.h:35:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
   In file included from include/asm-generic/hardirq.h:17:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:14:
   In file included from arch/hexagon/include/asm/io.h:328:
   include/asm-generic/io.h:548:31: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
     548 |         val = __raw_readb(PCI_IOBASE + addr);
         |                           ~~~~~~~~~~ ^
   include/asm-generic/io.h:561:61: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
     561 |         val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
         |                                                         ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
      37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
         |                                                   ^
   In file included from drivers/gpu/drm/sti/sti_mixer.c:14:
   In file included from drivers/gpu/drm/sti/sti_compositor.h:15:
   In file included from drivers/gpu/drm/sti/sti_mixer.h:12:
   In file included from include/drm/drm_crtc.h:32:
   In file included from include/drm/drm_modes.h:33:
   In file included from include/drm/drm_connector.h:32:
   In file included from include/drm/drm_util.h:35:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
   In file included from include/asm-generic/hardirq.h:17:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:14:
   In file included from arch/hexagon/include/asm/io.h:328:
   include/asm-generic/io.h:574:61: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
     574 |         val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
         |                                                         ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
      35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
         |                                                   ^
   In file included from drivers/gpu/drm/sti/sti_mixer.c:14:
   In file included from drivers/gpu/drm/sti/sti_compositor.h:15:
   In file included from drivers/gpu/drm/sti/sti_mixer.h:12:
   In file included from include/drm/drm_crtc.h:32:
   In file included from include/drm/drm_modes.h:33:
   In file included from include/drm/drm_connector.h:32:
   In file included from include/drm/drm_util.h:35:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
   In file included from include/asm-generic/hardirq.h:17:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:14:
   In file included from arch/hexagon/include/asm/io.h:328:
   include/asm-generic/io.h:585:33: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
     585 |         __raw_writeb(value, PCI_IOBASE + addr);
         |                             ~~~~~~~~~~ ^
   include/asm-generic/io.h:595:59: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
     595 |         __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
         |                                                       ~~~~~~~~~~ ^
   include/asm-generic/io.h:605:59: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
     605 |         __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
         |                                                       ~~~~~~~~~~ ^
   In file included from drivers/gpu/drm/sti/sti_mixer.c:14:
   In file included from drivers/gpu/drm/sti/sti_compositor.h:15:
   In file included from drivers/gpu/drm/sti/sti_mixer.h:12:
   In file included from include/drm/drm_crtc.h:32:
   In file included from include/drm/drm_modes.h:33:
   In file included from include/drm/drm_connector.h:32:
   In file included from include/drm/drm_util.h:36:
   In file included from include/linux/kgdb.h:19:
   In file included from include/linux/kprobes.h:28:
   In file included from include/linux/ftrace.h:13:
   In file included from include/linux/kallsyms.h:13:
   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_mixer.c:14:
   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,
         |                           ~~~~~~~ ^ ~~~~~~~~
   12 errors generated.
--
   In file included from drivers/gpu/drm/sti/sti_gdp.c:9:
   In file included from include/linux/dma-mapping.h:11:
   In file included from include/linux/scatterlist.h:8:
   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_gdp.c:9:
   In file included from include/linux/dma-mapping.h:11:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/hexagon/include/asm/io.h:328:
   include/asm-generic/io.h:548:31: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
     548 |         val = __raw_readb(PCI_IOBASE + addr);
         |                           ~~~~~~~~~~ ^
   include/asm-generic/io.h:561:61: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
     561 |         val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
         |                                                         ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
      37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
         |                                                   ^
   In file included from drivers/gpu/drm/sti/sti_gdp.c:9:
   In file included from include/linux/dma-mapping.h:11:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/hexagon/include/asm/io.h:328:
   include/asm-generic/io.h:574:61: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
     574 |         val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
         |                                                         ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
      35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
         |                                                   ^
   In file included from drivers/gpu/drm/sti/sti_gdp.c:9:
   In file included from include/linux/dma-mapping.h:11:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/hexagon/include/asm/io.h:328:
   include/asm-generic/io.h:585:33: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
     585 |         __raw_writeb(value, PCI_IOBASE + addr);
         |                             ~~~~~~~~~~ ^
   include/asm-generic/io.h:595:59: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
     595 |         __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
         |                                                       ~~~~~~~~~~ ^
   include/asm-generic/io.h:605:59: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
     605 |         __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
         |                                                       ~~~~~~~~~~ ^
   In file included from drivers/gpu/drm/sti/sti_gdp.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,
         |                           ~~~~~~~ ^ ~~~~~~~~
   12 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@xxxxxx>
:::::: CC: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxx>

-- 
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https://github.com/intel/lkp-tests/wiki



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