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Message-ID: <202501030713.36t97VZZ-lkp@intel.com>
Date: Fri, 3 Jan 2025 07:37:52 +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: 0bc21e701a6ffacfdde7f04f87d664d82e8a13bf
commit: 74bde7581df3e18061119e1b27b63d0a9ea57b7a drm/sti: Allow build with COMPILE_TEST=y
date: 7 months ago
config: hexagon-randconfig-002-20250103 (https://download.01.org/0day-ci/archive/20250103/202501030713.36t97VZZ-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 096551537b2a747a3387726ca618ceeb3950e9bc)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250103/202501030713.36t97VZZ-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/202501030713.36t97VZZ-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/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_compositor.c:10:
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_compositor.c:10:
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_compositor.c:18:
In file included from include/drm/drm_vblank.h:32:
In file included from include/drm/drm_file.h:39:
In file included from include/drm/drm_prime.h:37:
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_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,
| ~~~~~~~ ^ ~~~~~~~~
12 errors generated.
--
In file included from drivers/gpu/drm/sti/sti_plane.c:14:
In file included from include/drm/drm_gem_dma_helper.h:5:
In file included from include/drm/drm_file.h:39:
In file included from include/drm/drm_prime.h:37:
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_plane.c:14:
In file included from include/drm/drm_gem_dma_helper.h:5:
In file included from include/drm/drm_file.h:39:
In file included from include/drm/drm_prime.h:37:
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_plane.c:14:
In file included from include/drm/drm_gem_dma_helper.h:5:
In file included from include/drm/drm_file.h:39:
In file included from include/drm/drm_prime.h:37:
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_plane.c:14:
In file included from include/drm/drm_gem_dma_helper.h:5:
In file included from include/drm/drm_file.h:39:
In file included from include/drm/drm_prime.h:37:
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_plane.c:16:
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@...com>
:::::: CC: Benjamin Gaignard <benjamin.gaignard@...aro.org>
--
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