Re: [PATCH 3/3] drm/connector: move ELD and video/audio latencies to display info

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Hi Jani,

I love your patch! Yet something to improve:

[auto build test ERROR on drm-tip/drm-tip]

url:    https://github.com/intel-lab-lkp/linux/commits/Jani-Nikula/drm-connector-move-HDR-sink-metadata-to-display-info/20230124-174322
base:   git://anongit.freedesktop.org/drm/drm-tip drm-tip
patch link:    https://lore.kernel.org/r/20230124094154.2282778-3-jani.nikula%40intel.com
patch subject:  [PATCH 3/3] drm/connector: move ELD and video/audio latencies to display info
config: hexagon-randconfig-r045-20230123 (https://download.01.org/0day-ci/archive/20230124/202301242053.vCYJQIUE-lkp@xxxxxxxxx/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 4196ca3278f78c6e19246e54ab0ecb364e37d66a)
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
        # https://github.com/intel-lab-lkp/linux/commit/1e92b5478cfc1b0df66153652111117e9548b0d5
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Jani-Nikula/drm-connector-move-HDR-sink-metadata-to-display-info/20230124-174322
        git checkout 1e92b5478cfc1b0df66153652111117e9548b0d5
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/gpu/drm/bridge/ drivers/gpu/drm/i2c/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

   In file included from drivers/gpu/drm/bridge/sii902x.c:17:
   In file included from include/linux/i2c.h:19:
   In file included from include/linux/regulator/consumer.h:35:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:13:
   In file included from include/linux/cgroup.h:26:
   In file included from include/linux/kernel_stat.h:9:
   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:13:
   In file included from arch/hexagon/include/asm/io.h:334:
   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/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
   #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
                                                     ^
   In file included from drivers/gpu/drm/bridge/sii902x.c:17:
   In file included from include/linux/i2c.h:19:
   In file included from include/linux/regulator/consumer.h:35:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:13:
   In file included from include/linux/cgroup.h:26:
   In file included from include/linux/kernel_stat.h:9:
   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:13:
   In file included from arch/hexagon/include/asm/io.h:334:
   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/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
   #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
                                                     ^
   In file included from drivers/gpu/drm/bridge/sii902x.c:17:
   In file included from include/linux/i2c.h:19:
   In file included from include/linux/regulator/consumer.h:35:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:13:
   In file included from include/linux/cgroup.h:26:
   In file included from include/linux/kernel_stat.h:9:
   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:13:
   In file included from arch/hexagon/include/asm/io.h:334:
   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);
                                                         ~~~~~~~~~~ ^
>> drivers/gpu/drm/bridge/sii902x.c:736:33: error: no member named 'eld' in 'struct drm_connector'
           memcpy(buf, sii902x->connector.eld,
                       ~~~~~~~~~~~~~~~~~~ ^
   drivers/gpu/drm/bridge/sii902x.c:737:39: error: no member named 'eld' in 'struct drm_connector'
                  min(sizeof(sii902x->connector.eld), len));
                             ~~~~~~~~~~~~~~~~~~ ^
   include/linux/minmax.h:67:33: note: expanded from macro 'min'
   #define min(x, y)       __careful_cmp(x, y, <)
                                         ^
   include/linux/minmax.h:36:35: note: expanded from macro '__careful_cmp'
           __builtin_choose_expr(__safe_cmp(x, y), \
                                            ^
   include/linux/minmax.h:26:16: note: expanded from macro '__safe_cmp'
                   (__typecheck(x, y) && __no_side_effects(x, y))
                                ^
   include/linux/minmax.h:20:21: note: expanded from macro '__typecheck'
           (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
                              ^
   drivers/gpu/drm/bridge/sii902x.c:737:39: error: no member named 'eld' in 'struct drm_connector'
                  min(sizeof(sii902x->connector.eld), len));
                             ~~~~~~~~~~~~~~~~~~ ^
   include/linux/minmax.h:67:33: note: expanded from macro 'min'
   #define min(x, y)       __careful_cmp(x, y, <)
                                         ^
   include/linux/minmax.h:36:35: note: expanded from macro '__careful_cmp'
           __builtin_choose_expr(__safe_cmp(x, y), \
                                            ^
   include/linux/minmax.h:26:43: note: expanded from macro '__safe_cmp'
                   (__typecheck(x, y) && __no_side_effects(x, y))
                                                           ^
   include/linux/minmax.h:23:19: note: expanded from macro '__no_side_effects'
                   (__is_constexpr(x) && __is_constexpr(y))
                                   ^
   include/linux/const.h:12:48: note: expanded from macro '__is_constexpr'
           (sizeof(int) == sizeof(*(8 ? ((void *)((long)(x) * 0l)) : (int *)8)))
                                                         ^
   6 warnings and 3 errors generated.
--
   In file included from drivers/gpu/drm/i2c/tda998x_drv.c:10:
   In file included from include/linux/i2c.h:19:
   In file included from include/linux/regulator/consumer.h:35:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:13:
   In file included from include/linux/cgroup.h:26:
   In file included from include/linux/kernel_stat.h:9:
   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:13:
   In file included from arch/hexagon/include/asm/io.h:334:
   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/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
   #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
                                                     ^
   In file included from drivers/gpu/drm/i2c/tda998x_drv.c:10:
   In file included from include/linux/i2c.h:19:
   In file included from include/linux/regulator/consumer.h:35:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:13:
   In file included from include/linux/cgroup.h:26:
   In file included from include/linux/kernel_stat.h:9:
   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:13:
   In file included from arch/hexagon/include/asm/io.h:334:
   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/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
   #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
                                                     ^
   In file included from drivers/gpu/drm/i2c/tda998x_drv.c:10:
   In file included from include/linux/i2c.h:19:
   In file included from include/linux/regulator/consumer.h:35:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:13:
   In file included from include/linux/cgroup.h:26:
   In file included from include/linux/kernel_stat.h:9:
   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:13:
   In file included from arch/hexagon/include/asm/io.h:334:
   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);
                                                         ~~~~~~~~~~ ^
>> drivers/gpu/drm/i2c/tda998x_drv.c:1156:30: error: no member named 'eld' in 'struct drm_connector'
           memcpy(buf, priv->connector.eld,
                       ~~~~~~~~~~~~~~~ ^
   drivers/gpu/drm/i2c/tda998x_drv.c:1157:36: error: no member named 'eld' in 'struct drm_connector'
                  min(sizeof(priv->connector.eld), len));
                             ~~~~~~~~~~~~~~~ ^
   include/linux/minmax.h:67:33: note: expanded from macro 'min'
   #define min(x, y)       __careful_cmp(x, y, <)
                                         ^
   include/linux/minmax.h:36:35: note: expanded from macro '__careful_cmp'
           __builtin_choose_expr(__safe_cmp(x, y), \
                                            ^
   include/linux/minmax.h:26:16: note: expanded from macro '__safe_cmp'
                   (__typecheck(x, y) && __no_side_effects(x, y))
                                ^
   include/linux/minmax.h:20:21: note: expanded from macro '__typecheck'
           (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
                              ^
   drivers/gpu/drm/i2c/tda998x_drv.c:1157:36: error: no member named 'eld' in 'struct drm_connector'
                  min(sizeof(priv->connector.eld), len));
                             ~~~~~~~~~~~~~~~ ^
   include/linux/minmax.h:67:33: note: expanded from macro 'min'
   #define min(x, y)       __careful_cmp(x, y, <)
                                         ^
   include/linux/minmax.h:36:35: note: expanded from macro '__careful_cmp'
           __builtin_choose_expr(__safe_cmp(x, y), \
                                            ^
   include/linux/minmax.h:26:43: note: expanded from macro '__safe_cmp'
                   (__typecheck(x, y) && __no_side_effects(x, y))
                                                           ^
   include/linux/minmax.h:23:19: note: expanded from macro '__no_side_effects'
                   (__is_constexpr(x) && __is_constexpr(y))
                                   ^
   include/linux/const.h:12:48: note: expanded from macro '__is_constexpr'
           (sizeof(int) == sizeof(*(8 ? ((void *)((long)(x) * 0l)) : (int *)8)))
                                                         ^
   6 warnings and 3 errors generated.


vim +736 drivers/gpu/drm/bridge/sii902x.c

ff5781634c4116 Jyri Sarha 2019-05-27  728  
ff5781634c4116 Jyri Sarha 2019-05-27  729  static int sii902x_audio_get_eld(struct device *dev, void *data,
ff5781634c4116 Jyri Sarha 2019-05-27  730  				 uint8_t *buf, size_t len)
ff5781634c4116 Jyri Sarha 2019-05-27  731  {
ff5781634c4116 Jyri Sarha 2019-05-27  732  	struct sii902x *sii902x = dev_get_drvdata(dev);
ff5781634c4116 Jyri Sarha 2019-05-27  733  
ff5781634c4116 Jyri Sarha 2019-05-27  734  	mutex_lock(&sii902x->mutex);
ff5781634c4116 Jyri Sarha 2019-05-27  735  
ff5781634c4116 Jyri Sarha 2019-05-27 @736  	memcpy(buf, sii902x->connector.eld,
ff5781634c4116 Jyri Sarha 2019-05-27  737  	       min(sizeof(sii902x->connector.eld), len));
ff5781634c4116 Jyri Sarha 2019-05-27  738  
ff5781634c4116 Jyri Sarha 2019-05-27  739  	mutex_unlock(&sii902x->mutex);
ff5781634c4116 Jyri Sarha 2019-05-27  740  
ff5781634c4116 Jyri Sarha 2019-05-27  741  	return 0;
ff5781634c4116 Jyri Sarha 2019-05-27  742  }
ff5781634c4116 Jyri Sarha 2019-05-27  743  

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



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