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Date: Wed, 23 Nov 2022 16:21:52 +0800
From: kernel test robot <lkp@...el.com>
To: Maíra Canal <mcanal@...lia.com>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>,
Thomas Zimmermann <tzimmermann@...e.de>,
David Airlie <airlied@...il.com>,
Daniel Vetter <daniel@...ll.ch>,
Oded Gabbay <ogabbay@...nel.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
André Almeida <andrealmeid@...lia.com>,
Emma Anholt <emma@...olt.net>,
Rodrigo Siqueira <rodrigosiqueiramelo@...il.com>,
Maíra Canal <mcanal@...lia.com>,
linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
Wambui Karuga <wambui@...uga.org>,
Melissa Wen <mwen@...lia.com>
Subject: Re: [PATCH 2/6] drm: use new debugfs device-centered functions on
DRM core files
Hi Maíra,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on drm-misc/drm-misc-next]
[also build test ERROR on drm/drm-next linus/master v6.1-rc6 next-20221122]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Ma-ra-Canal/Introduce-debugfs-device-centered-functions/20221123-030721
base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
patch link: https://lore.kernel.org/r/20221122190314.185015-3-mcanal%40igalia.com
patch subject: [PATCH 2/6] drm: use new debugfs device-centered functions on DRM core files
config: s390-randconfig-r044-20221120
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project af8c49dc1ec44339d915d988ffe0f38da68ca0e7)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install s390 cross compiling tool for clang build
# apt-get install binutils-s390x-linux-gnu
# https://github.com/intel-lab-lkp/linux/commit/90d303b7798f22a8e99b4c86b2dfc6a43f74b678
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Ma-ra-Canal/Introduce-debugfs-device-centered-functions/20221123-030721
git checkout 90d303b7798f22a8e99b4c86b2dfc6a43f74b678
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash drivers/gpu/drm/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
In file included from drivers/gpu/drm/drm_gem_vram_helper.c:3:
In file included from include/linux/iosys-map.h:10:
In file included from include/linux/io.h:13:
In file included from arch/s390/include/asm/io.h:75:
include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __raw_readb(PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu'
#define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))
^
include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16'
#define __swab16(x) (__u16)__builtin_bswap16((__u16)(x))
^
In file included from drivers/gpu/drm/drm_gem_vram_helper.c:3:
In file included from include/linux/iosys-map.h:10:
In file included from include/linux/io.h:13:
In file included from arch/s390/include/asm/io.h:75:
include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu'
#define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
^
include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32'
#define __swab32(x) (__u32)__builtin_bswap32((__u32)(x))
^
In file included from drivers/gpu/drm/drm_gem_vram_helper.c:3:
In file included from include/linux/iosys-map.h:10:
In file included from include/linux/io.h:13:
In file included from arch/s390/include/asm/io.h:75:
include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writeb(value, PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:692:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
readsb(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:700:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
readsw(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:708:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
readsl(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:717:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
writesb(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:726:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
writesw(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:735:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
writesl(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
>> drivers/gpu/drm/drm_gem_vram_helper.c:961:55: error: use of undeclared identifier 'vmm'
struct ttm_resource_manager *man = ttm_manager_type(&vmm->bdev, TTM_PL_VRAM);
^
12 warnings and 1 error generated.
vim +/vmm +961 drivers/gpu/drm/drm_gem_vram_helper.c
6b5ce4a1fb8489 Thomas Zimmermann 2019-09-11 952
6b5ce4a1fb8489 Thomas Zimmermann 2019-09-11 953 /*
6b5ce4a1fb8489 Thomas Zimmermann 2019-09-11 954 * struct drm_vram_mm
6b5ce4a1fb8489 Thomas Zimmermann 2019-09-11 955 */
6b5ce4a1fb8489 Thomas Zimmermann 2019-09-11 956
6b5ce4a1fb8489 Thomas Zimmermann 2019-09-11 957 static int drm_vram_mm_debugfs(struct seq_file *m, void *data)
6b5ce4a1fb8489 Thomas Zimmermann 2019-09-11 958 {
90d303b7798f22 Maíra Canal 2022-11-22 959 struct drm_debugfs_entry *entry = m->private;
90d303b7798f22 Maíra Canal 2022-11-22 960 struct drm_device *dev = entry->dev;
9de59bc201496f Dave Airlie 2020-08-04 @961 struct ttm_resource_manager *man = ttm_manager_type(&vmm->bdev, TTM_PL_VRAM);
6b5ce4a1fb8489 Thomas Zimmermann 2019-09-11 962 struct drm_printer p = drm_seq_file_printer(m);
6b5ce4a1fb8489 Thomas Zimmermann 2019-09-11 963
9de59bc201496f Dave Airlie 2020-08-04 964 ttm_resource_manager_debug(man, &p);
6b5ce4a1fb8489 Thomas Zimmermann 2019-09-11 965 return 0;
6b5ce4a1fb8489 Thomas Zimmermann 2019-09-11 966 }
6b5ce4a1fb8489 Thomas Zimmermann 2019-09-11 967
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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