Hi Eslam,

kernel test robot noticed the following build errors:

[auto build test ERROR on drm-misc/drm-misc-next]
[also build test ERROR on linus/master v6.18-rc7 next-20251121]
[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/Eslam-Khafagy/drm-pl111-replace-dev_-print-functions-with-drm_-variants/20251122-085225
base:   git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
patch link:    
https://lore.kernel.org/r/20251122004951.567753-1-eslam.medhat1993%40gmail.com
patch subject: [PATCH RESEND] drm: pl111: replace dev_* print functions with 
drm_* variants
config: arm-nhk8815_defconfig 
(https://download.01.org/0day-ci/archive/20251124/[email protected]/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 
9e9fe08b16ea2c4d9867fb4974edf2a3776d6ece)
reproduce (this is a W=1 build): 
(https://download.01.org/0day-ci/archive/20251124/[email protected]/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 <[email protected]>
| Closes: 
https://lore.kernel.org/oe-kbuild-all/[email protected]/

All errors (new ones prefixed by >>):

   In file included from drivers/gpu/drm/pl111/pl111_nomadik.c:7:
   drivers/gpu/drm/pl111/pl111_nomadik.h:11:32: warning: declaration of 'struct 
drm_device' will not be visible outside of this function [-Wvisibility]
      11 | void pl111_nomadik_init(struct drm_device *dev);
         |                                ^
   drivers/gpu/drm/pl111/pl111_nomadik.c:12:32: warning: declaration of 'struct 
drm_device' will not be visible outside of this function [-Wvisibility]
      12 | void pl111_nomadik_init(struct drm_device *dev)
         |                                ^
>> drivers/gpu/drm/pl111/pl111_nomadik.c:12:6: error: conflicting types for 
>> 'pl111_nomadik_init'
      12 | void pl111_nomadik_init(struct drm_device *dev)
         |      ^
   drivers/gpu/drm/pl111/pl111_nomadik.h:11:6: note: previous declaration is 
here
      11 | void pl111_nomadik_init(struct drm_device *dev);
         |      ^
>> drivers/gpu/drm/pl111/pl111_nomadik.c:34:2: error: call to undeclared 
>> function 'drm_info'; ISO C99 and later do not support implicit function 
>> declarations [-Wimplicit-function-declaration]
      34 |         drm_info(dev, "set Nomadik PMU mux to CLCD mode\n");
         |         ^
   2 warnings and 2 errors generated.


vim +/pl111_nomadik_init +12 drivers/gpu/drm/pl111/pl111_nomadik.c

   > 7  #include "pl111_nomadik.h"
     8  
     9  #define PMU_CTRL_OFFSET 0x0000
    10  #define PMU_CTRL_LCDNDIF BIT(26)
    11  
  > 12  void pl111_nomadik_init(struct drm_device *dev)
    13  {
    14          struct regmap *pmu_regmap;
    15  
    16          /*
    17           * Just bail out of this is not found, we could be running
    18           * multiplatform on something else than Nomadik.
    19           */
    20          pmu_regmap =
    21                  
syscon_regmap_lookup_by_compatible("stericsson,nomadik-pmu");
    22          if (IS_ERR(pmu_regmap))
    23                  return;
    24  
    25          /*
    26           * This bit in the PMU controller multiplexes the two graphics
    27           * blocks found in the Nomadik STn8815. The other one is called
    28           * MDIF (Master Display Interface) and gets muxed out here.
    29           */
    30          regmap_update_bits(pmu_regmap,
    31                             PMU_CTRL_OFFSET,
    32                             PMU_CTRL_LCDNDIF,
    33                             0);
  > 34          drm_info(dev, "set Nomadik PMU mux to CLCD mode\n");

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