Re: [PATCH] GPU: drm: meson inline drm_simple_encoder_init()
From: kernel test robot
Date: Wed Aug 12 2026 - 22:56:43 EST
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/20260813/202608131017.r8RRcaja-lkp@xxxxxxxxx/config)
compiler: powerpc64-linux-gcc (GCC) 16.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260813/202608131017.r8RRcaja-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202608131017.r8RRcaja-lkp@xxxxxxxxx/
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
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki