Re: [PATCH v5 36/44] drm/amd/display: add 3x4 matrix colorop

[kernel test robot <lkp@intel.com>]

Hi Harry,

kernel test robot noticed the following build warnings:

[auto build test WARNING on drm/drm-next]
[also build test WARNING on drm-intel/for-linux-next drm-intel/for-linux-next-fixes drm-misc/drm-misc-next drm-tip/drm-tip linus/master v6.11-rc4 next-20240820]
[cannot apply to drm-exynos/exynos-drm-next]
[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/Harry-Wentland/drm-Add-helper-for-conversion-from-signed-magnitude/20240820-050138
base:   git://anongit.freedesktop.org/drm/drm drm-next
patch link:    https://lore.kernel.org/r/20240819205714.316380-37-harry.wentland%40amd.com
patch subject: [PATCH v5 36/44] drm/amd/display: add 3x4 matrix colorop
config: arm-randconfig-002-20240821 (https://download.01.org/0day-ci/archive/20240821/202408211016.TkunD7H3-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240821/202408211016.TkunD7H3-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202408211016.TkunD7H3-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from include/linux/device.h:15,
                    from include/drm/drm_print.h:31,
                    from drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu_ring.h:29,
                    from drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu_ctx.h:29,
                    from drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:43,
                    from drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_color.c:25:
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_color.c: In function '__set_dm_plane_colorop_3x4_matrix':
>> drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:41:22: warning: format '%ld' expects argument of type 'long int', but argument 3 has type 'size_t' {aka 'unsigned int'} [-Wformat=]
      41 | #define dev_fmt(fmt) "amdgpu: " fmt
         |                      ^~~~~~~~~~
   include/linux/dev_printk.h:110:30: note: in definition of macro 'dev_printk_index_wrap'
     110 |                 _p_func(dev, fmt, ##__VA_ARGS__);                       \
         |                              ^~~
   include/linux/dev_printk.h:156:61: note: in expansion of macro 'dev_fmt'
     156 |         dev_printk_index_wrap(_dev_warn, KERN_WARNING, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                                             ^~~~~~~
   include/drm/drm_print.h:470:9: note: in expansion of macro 'dev_warn'
     470 |         dev_##level##type((drm) ? (drm)->dev : NULL, "[drm] " fmt, ##__VA_ARGS__)
         |         ^~~~
   include/drm/drm_print.h:480:9: note: in expansion of macro '__drm_printk'
     480 |         __drm_printk((drm), warn,, fmt, ##__VA_ARGS__)
         |         ^~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_color.c:1247:25: note: in expansion of macro 'drm_warn'
    1247 |                         drm_warn(dev, "blob->length (%ld) isn't equal to drm_color_ctm_3x4 (%ld)\n",
         |                         ^~~~~~~~
>> drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:41:22: warning: format '%ld' expects argument of type 'long int', but argument 4 has type 'unsigned int' [-Wformat=]
      41 | #define dev_fmt(fmt) "amdgpu: " fmt
         |                      ^~~~~~~~~~
   include/linux/dev_printk.h:110:30: note: in definition of macro 'dev_printk_index_wrap'
     110 |                 _p_func(dev, fmt, ##__VA_ARGS__);                       \
         |                              ^~~
   include/linux/dev_printk.h:156:61: note: in expansion of macro 'dev_fmt'
     156 |         dev_printk_index_wrap(_dev_warn, KERN_WARNING, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                                             ^~~~~~~
   include/drm/drm_print.h:470:9: note: in expansion of macro 'dev_warn'
     470 |         dev_##level##type((drm) ? (drm)->dev : NULL, "[drm] " fmt, ##__VA_ARGS__)
         |         ^~~~
   include/drm/drm_print.h:480:9: note: in expansion of macro '__drm_printk'
     480 |         __drm_printk((drm), warn,, fmt, ##__VA_ARGS__)
         |         ^~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_color.c:1247:25: note: in expansion of macro 'drm_warn'
    1247 |                         drm_warn(dev, "blob->length (%ld) isn't equal to drm_color_ctm_3x4 (%ld)\n",
         |                         ^~~~~~~~


vim +41 drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h

539489fc91ea77 Aurabindo Pillai 2020-04-08  40  
539489fc91ea77 Aurabindo Pillai 2020-04-08 @41  #define dev_fmt(fmt) "amdgpu: " fmt
539489fc91ea77 Aurabindo Pillai 2020-04-08  42  

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