Hi Liam,

kernel test robot noticed the following build errors:

[auto build test ERROR on drm-misc/drm-misc-next]
[also build test ERROR on daeinki-drm-exynos/exynos-drm-next drm/drm-next 
drm-i915/for-linux-next drm-i915/for-linux-next-fixes drm-tip/drm-tip 
linus/master v7.2-rc7 next-20260811]
[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/Liam-Zuiderhoek/GPU-drm-meson-inline-drm_simple_encoder_init/20260813-051125
base:   https://gitlab.freedesktop.org/drm/misc/kernel.git drm-misc-next
patch link:    
https://lore.kernel.org/r/20260622180832.28143-1-zuiderhoekl%40gmail.com
patch subject: [PATCH] GPU: drm: meson inline drm_simple_encoder_init()
config: powerpc-allmodconfig 
(https://download.01.org/0day-ci/archive/20260813/[email protected]/config)
compiler: powerpc64-linux-gcc (GCC) 16.1.0
reproduce (this is a W=1 build): 
(https://download.01.org/0day-ci/archive/20260813/[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 include/drm/drm_property.h:30,
                    from include/drm/drm_connector.h:33,
                    from include/drm/drm_modes.h:33,
                    from include/drm/drm_crtc.h:32,
                    from include/drm/drm_atomic_helper.h:31,
                    from drivers/gpu/drm/meson/meson_encoder_hdmi.c:21:
   drivers/gpu/drm/meson/meson_encoder_hdmi.c: In function 
'meson_encoder_hdmi_probe':
>> include/uapi/drm/drm_mode.h:358:33: error: passing argument 3 of 
>> 'drm_encoder_init' makes pointer from integer without a cast 
>> [-Wint-conversion]
     358 | #define DRM_MODE_ENCODER_TMDS   2
         |                                 ^
         |                                 |
         |                                 int
   drivers/gpu/drm/meson/meson_encoder_hdmi.c:411:32: note: in expansion of 
macro 'DRM_MODE_ENCODER_TMDS'
     411 |                                DRM_MODE_ENCODER_TMDS, NULL);
         |                                ^~~~~~~~~~~~~~~~~~~~~
   In file included from include/drm/drm_modeset_helper_vtables.h:33,
                    from include/drm/drm_atomic_helper.h:32:
   include/drm/drm_encoder.h:212:54: note: expected 'const struct 
drm_encoder_funcs *' but argument is of type 'int'
     212 |                      const struct drm_encoder_funcs *funcs,
         |                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
   In file included from include/uapi/linux/posix_types.h:5,
                    from include/uapi/linux/types.h:14,
                    from include/linux/types.h:5,
                    from include/linux/kasan-checks.h:5,
                    from include/asm-generic/rwonce.h:26,
                    from ./arch/powerpc/include/generated/asm/rwonce.h:1,
                    from include/linux/compiler.h:369,
                    from include/linux/err.h:5,
                    from include/linux/clk.h:12,
                    from drivers/gpu/drm/meson/meson_encoder_hdmi.c:8:
>> include/linux/stddef.h:8:14: error: passing argument 4 of 'drm_encoder_init' 
>> makes integer from pointer without a cast [-Wint-conversion]
       8 | #define NULL ((void *)0)
         |              ^~~~~~~~~~~
         |              |
         |              void *
   drivers/gpu/drm/meson/meson_encoder_hdmi.c:411:55: note: in expansion of 
macro 'NULL'
     411 |                                DRM_MODE_ENCODER_TMDS, NULL);
         |                                                       ^~~~
   include/drm/drm_encoder.h:213:26: note: expected 'int' but argument is of 
type 'void *'
     213 |                      int encoder_type, const char *name, ...);
         |                      ~~~~^~~~~~~~~~~~
>> drivers/gpu/drm/meson/meson_encoder_hdmi.c:410:15: error: too few arguments 
>> to function 'drm_encoder_init'; expected at least 5, have 4
     410 |         ret = drm_encoder_init(priv->drm, 
&meson_encoder_hdmi->encoder,
         |               ^~~~~~~~~~~~~~~~
   include/drm/drm_encoder.h:210:5: note: declared here
     210 | int drm_encoder_init(struct drm_device *dev,
         |     ^~~~~~~~~~~~~~~~
--
   In file included from include/drm/drm_property.h:30,
                    from include/drm/drm_connector.h:33,
                    from include/drm/drm_modes.h:33,
                    from include/drm/drm_crtc.h:32,
                    from include/drm/drm_atomic_helper.h:31,
                    from drm/meson/meson_encoder_hdmi.c:21:
   drm/meson/meson_encoder_hdmi.c: In function 'meson_encoder_hdmi_probe':
>> include/uapi/drm/drm_mode.h:358:33: error: passing argument 3 of 
>> 'drm_encoder_init' makes pointer from integer without a cast 
>> [-Wint-conversion]
     358 | #define DRM_MODE_ENCODER_TMDS   2
         |                                 ^
         |                                 |
         |                                 int
   drm/meson/meson_encoder_hdmi.c:411:32: note: in expansion of macro 
'DRM_MODE_ENCODER_TMDS'
     411 |                                DRM_MODE_ENCODER_TMDS, NULL);
         |                                ^~~~~~~~~~~~~~~~~~~~~
   In file included from include/drm/drm_modeset_helper_vtables.h:33,
                    from include/drm/drm_atomic_helper.h:32:
   include/drm/drm_encoder.h:212:54: note: expected 'const struct 
drm_encoder_funcs *' but argument is of type 'int'
     212 |                      const struct drm_encoder_funcs *funcs,
         |                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
   In file included from include/uapi/linux/posix_types.h:5,
                    from include/uapi/linux/types.h:14,
                    from include/linux/types.h:5,
                    from include/linux/kasan-checks.h:5,
                    from include/asm-generic/rwonce.h:26,
                    from arch/powerpc/include/generated/asm/rwonce.h:1,
                    from include/linux/compiler.h:369,
                    from include/linux/err.h:5,
                    from include/linux/clk.h:12,
                    from drm/meson/meson_encoder_hdmi.c:8:
>> include/linux/stddef.h:8:14: error: passing argument 4 of 'drm_encoder_init' 
>> makes integer from pointer without a cast [-Wint-conversion]
       8 | #define NULL ((void *)0)
         |              ^~~~~~~~~~~
         |              |
         |              void *
   drm/meson/meson_encoder_hdmi.c:411:55: note: in expansion of macro 'NULL'
     411 |                                DRM_MODE_ENCODER_TMDS, NULL);
         |                                                       ^~~~
   include/drm/drm_encoder.h:213:26: note: expected 'int' but argument is of 
type 'void *'
     213 |                      int encoder_type, const char *name, ...);
         |                      ~~~~^~~~~~~~~~~~
   drm/meson/meson_encoder_hdmi.c:410:15: error: too few arguments to function 
'drm_encoder_init'; expected at least 5, have 4
     410 |         ret = drm_encoder_init(priv->drm, 
&meson_encoder_hdmi->encoder,
         |               ^~~~~~~~~~~~~~~~
   include/drm/drm_encoder.h:210:5: note: declared here
     210 | int drm_encoder_init(struct drm_device *dev,
         |     ^~~~~~~~~~~~~~~~


vim +/drm_encoder_init +358 include/uapi/drm/drm_mode.h

8cf5c917715153 include/drm/drm_mode.h      Jesse Barnes     2011-11-14  355  
f453ba0460742a include/drm/drm_mode.h      Dave Airlie      2008-11-07  356  
#define DRM_MODE_ENCODER_NONE      0
f453ba0460742a include/drm/drm_mode.h      Dave Airlie      2008-11-07  357  
#define DRM_MODE_ENCODER_DAC       1
f453ba0460742a include/drm/drm_mode.h      Dave Airlie      2008-11-07 @358  
#define DRM_MODE_ENCODER_TMDS      2
f453ba0460742a include/drm/drm_mode.h      Dave Airlie      2008-11-07  359  
#define DRM_MODE_ENCODER_LVDS      3
f453ba0460742a include/drm/drm_mode.h      Dave Airlie      2008-11-07  360  
#define DRM_MODE_ENCODER_TVDAC     4
a7331e5cb2cc68 include/drm/drm_mode.h      Thomas Hellstrom 2011-10-22  361  
#define DRM_MODE_ENCODER_VIRTUAL 5
b89232732f642b include/uapi/drm/drm_mode.h Shobhit Kumar    2013-08-27  362  
#define DRM_MODE_ENCODER_DSI       6
182407a6ed5333 include/uapi/drm/drm_mode.h Dave Airlie      2014-05-02  363  
#define DRM_MODE_ENCODER_DPMST     7
0b27c02a7f1c69 include/uapi/drm/drm_mode.h Eric Anholt      2016-03-18  364  
#define DRM_MODE_ENCODER_DPI       8
f453ba0460742a include/drm/drm_mode.h      Dave Airlie      2008-11-07  365  

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