drivers/gpu/drm/i915/display/intel_display_debugfs.c:1091:6: error: redefinition of 'intel_display_debugfs_register'

From: kernel test robot
Date: Mon Feb 05 2024 - 06:54:57 EST

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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 2a6526c4f389bb741e511be11721b3d1cbf1034a
commit: bf3ff145df184698a8a80b33265064638572366f drm/xe: display support should not depend on EXPERT
date: 2 weeks ago
config: alpha-randconfig-r053-20240130 (https://download.01.org/0day-ci/archive/20240131/202401311018.P0Sq7A8X-lkp@xxxxxxxxx/config)
compiler: alpha-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240131/202401311018.P0Sq7A8X-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/r/202401311018.P0Sq7A8X-lkp@xxxxxxxxx/

All error/warnings (new ones prefixed by >>):

>> drivers/gpu/drm/i915/display/intel_display_debugfs.c:1091:6: error: redefinition of 'intel_display_debugfs_register'
1091 | void intel_display_debugfs_register(struct drm_i915_private *i915)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/gpu/drm/i915/display/intel_display_debugfs.c:19:
drivers/gpu/drm/i915/display/intel_display_debugfs.h:18:20: note: previous definition of 'intel_display_debugfs_register' with type 'void(struct xe_device *)'
18 | static inline void intel_display_debugfs_register(struct drm_i915_private *i915) {}
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/i915/display/intel_display_debugfs.c:1571:6: error: redefinition of 'intel_connector_debugfs_add'
1571 | void intel_connector_debugfs_add(struct intel_connector *connector)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/display/intel_display_debugfs.h:19:20: note: previous definition of 'intel_connector_debugfs_add' with type 'void(struct intel_connector *)'
19 | static inline void intel_connector_debugfs_add(struct intel_connector *connector) {}
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/i915/display/intel_display_debugfs.c:1626:6: error: redefinition of 'intel_crtc_debugfs_add'
1626 | void intel_crtc_debugfs_add(struct intel_crtc *crtc)
| ^~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/display/intel_display_debugfs.h:20:20: note: previous definition of 'intel_crtc_debugfs_add' with type 'void(struct intel_crtc *)'
20 | static inline void intel_crtc_debugfs_add(struct intel_crtc *crtc) {}
| ^~~~~~~~~~~~~~~~~~~~~~
--
>> drivers/gpu/drm/i915/display/intel_pipe_crc.c:437:6: error: redefinition of 'intel_crtc_crc_init'
437 | void intel_crtc_crc_init(struct intel_crtc *crtc)
| ^~~~~~~~~~~~~~~~~~~
In file included from drivers/gpu/drm/i915/display/intel_pipe_crc.c:36:
drivers/gpu/drm/i915/display/intel_pipe_crc.h:25:20: note: previous definition of 'intel_crtc_crc_init' with type 'void(struct intel_crtc *)'
25 | static inline void intel_crtc_crc_init(struct intel_crtc *crtc) {}
| ^~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/display/intel_pipe_crc.c: In function 'intel_crtc_crc_init':
>> drivers/gpu/drm/i915/display/intel_pipe_crc.c:439:48: error: 'struct intel_crtc' has no member named 'pipe_crc'
439 | struct intel_pipe_crc *pipe_crc = &crtc->pipe_crc;
| ^~
In file included from include/uapi/linux/posix_types.h:5,
from include/uapi/linux/types.h:14,
from include/linux/types.h:6,
from include/linux/kasan-checks.h:5,
from include/asm-generic/rwonce.h:26,
from arch/alpha/include/asm/rwonce.h:33,
from include/linux/compiler.h:251,
from include/linux/ctype.h:5,
from drivers/gpu/drm/i915/display/intel_pipe_crc.c:27:
drivers/gpu/drm/i915/display/intel_pipe_crc.c: At top level:
include/linux/stddef.h:8:16: error: expected identifier or '(' before 'void'
8 | #define NULL ((void *)0)
| ^~~~
drivers/gpu/drm/i915/display/intel_pipe_crc.h:28:36: note: in expansion of macro 'NULL'
28 | #define intel_crtc_get_crc_sources NULL
| ^~~~
drivers/gpu/drm/i915/display/intel_pipe_crc.c:549:20: note: in expansion of macro 'intel_crtc_get_crc_sources'
549 | const char *const *intel_crtc_get_crc_sources(struct drm_crtc *crtc,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/stddef.h:8:23: error: expected ')' before numeric constant
8 | #define NULL ((void *)0)
| ^
drivers/gpu/drm/i915/display/intel_pipe_crc.h:28:36: note: in expansion of macro 'NULL'
28 | #define intel_crtc_get_crc_sources NULL
| ^~~~
drivers/gpu/drm/i915/display/intel_pipe_crc.c:549:20: note: in expansion of macro 'intel_crtc_get_crc_sources'
549 | const char *const *intel_crtc_get_crc_sources(struct drm_crtc *crtc,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/stddef.h:8:16: error: expected identifier or '(' before 'void'
8 | #define NULL ((void *)0)
| ^~~~
drivers/gpu/drm/i915/display/intel_pipe_crc.h:27:38: note: in expansion of macro 'NULL'
27 | #define intel_crtc_verify_crc_source NULL
| ^~~~
drivers/gpu/drm/i915/display/intel_pipe_crc.c:556:5: note: in expansion of macro 'intel_crtc_verify_crc_source'
556 | int intel_crtc_verify_crc_source(struct drm_crtc *crtc, const char *source_name,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/stddef.h:8:23: error: expected ')' before numeric constant
8 | #define NULL ((void *)0)
| ^
drivers/gpu/drm/i915/display/intel_pipe_crc.h:27:38: note: in expansion of macro 'NULL'
27 | #define intel_crtc_verify_crc_source NULL
| ^~~~
drivers/gpu/drm/i915/display/intel_pipe_crc.c:556:5: note: in expansion of macro 'intel_crtc_verify_crc_source'
556 | int intel_crtc_verify_crc_source(struct drm_crtc *crtc, const char *source_name,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/stddef.h:8:16: error: expected identifier or '(' before 'void'
8 | #define NULL ((void *)0)
| ^~~~
drivers/gpu/drm/i915/display/intel_pipe_crc.h:26:35: note: in expansion of macro 'NULL'
26 | #define intel_crtc_set_crc_source NULL
| ^~~~
drivers/gpu/drm/i915/display/intel_pipe_crc.c:576:5: note: in expansion of macro 'intel_crtc_set_crc_source'
576 | int intel_crtc_set_crc_source(struct drm_crtc *_crtc, const char *source_name)
| ^~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/stddef.h:8:23: error: expected ')' before numeric constant
8 | #define NULL ((void *)0)
| ^
drivers/gpu/drm/i915/display/intel_pipe_crc.h:26:35: note: in expansion of macro 'NULL'
26 | #define intel_crtc_set_crc_source NULL
| ^~~~
drivers/gpu/drm/i915/display/intel_pipe_crc.c:576:5: note: in expansion of macro 'intel_crtc_set_crc_source'
576 | int intel_crtc_set_crc_source(struct drm_crtc *_crtc, const char *source_name)
| ^~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/i915/display/intel_pipe_crc.c:630:6: error: redefinition of 'intel_crtc_enable_pipe_crc'
630 | void intel_crtc_enable_pipe_crc(struct intel_crtc *crtc)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/display/intel_pipe_crc.h:33:20: note: previous definition of 'intel_crtc_enable_pipe_crc' with type 'void(struct intel_crtc *)'
33 | static inline void intel_crtc_enable_pipe_crc(struct intel_crtc *crtc)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/display/intel_pipe_crc.c: In function 'intel_crtc_enable_pipe_crc':
drivers/gpu/drm/i915/display/intel_pipe_crc.c:633:48: error: 'struct intel_crtc' has no member named 'pipe_crc'
633 | struct intel_pipe_crc *pipe_crc = &crtc->pipe_crc;
| ^~
drivers/gpu/drm/i915/display/intel_pipe_crc.c: At top level:
>> drivers/gpu/drm/i915/display/intel_pipe_crc.c:650:6: error: redefinition of 'intel_crtc_disable_pipe_crc'
650 | void intel_crtc_disable_pipe_crc(struct intel_crtc *crtc)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/display/intel_pipe_crc.h:29:20: note: previous definition of 'intel_crtc_disable_pipe_crc' with type 'void(struct intel_crtc *)'
29 | static inline void intel_crtc_disable_pipe_crc(struct intel_crtc *crtc)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/display/intel_pipe_crc.c: In function 'intel_crtc_disable_pipe_crc':
drivers/gpu/drm/i915/display/intel_pipe_crc.c:653:48: error: 'struct intel_crtc' has no member named 'pipe_crc'
653 | struct intel_pipe_crc *pipe_crc = &crtc->pipe_crc;
| ^~
drivers/gpu/drm/i915/display/intel_pipe_crc.c: At top level:
>> drivers/gpu/drm/i915/display/intel_pipe_crc.c:532:1: warning: 'intel_is_valid_crc_source' defined but not used [-Wunused-function]
532 | intel_is_valid_crc_source(struct drm_i915_private *dev_priv,
| ^~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/i915/display/intel_pipe_crc.c:420:1: warning: 'display_crc_ctl_parse_source' defined but not used [-Wunused-function]
420 | display_crc_ctl_parse_source(const char *buf, enum intel_pipe_crc_source *s)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/i915/display/intel_pipe_crc.c:279:1: warning: 'intel_crtc_crc_setup_workarounds' defined but not used [-Wunused-function]
279 | intel_crtc_crc_setup_workarounds(struct intel_crtc *crtc, bool enable)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/i915/display/intel_pipe_crc.c:229:13: warning: 'vlv_undo_pipe_scramble_reset' defined but not used [-Wunused-function]
229 | static void vlv_undo_pipe_scramble_reset(struct drm_i915_private *dev_priv,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~

Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for FB_IOMEM_HELPERS
Depends on [n]: HAS_IOMEM [=y] && FB_CORE [=n]
Selected by [m]:
- DRM_XE_DISPLAY [=y] && HAS_IOMEM [=y] && DRM_XE [=m] && DRM_XE [=m]=m

vim +/intel_display_debugfs_register +1091 drivers/gpu/drm/i915/display/intel_display_debugfs.c

926b005cd8c4e3 Jani Nikula 2020-02-11 1090
f06b2052f74d7b Wambui Karuga 2020-03-10 @1091 void intel_display_debugfs_register(struct drm_i915_private *i915)
926b005cd8c4e3 Jani Nikula 2020-02-11 1092 {
926b005cd8c4e3 Jani Nikula 2020-02-11 1093 struct drm_minor *minor = i915->drm.primary;
926b005cd8c4e3 Jani Nikula 2020-02-11 1094 int i;
926b005cd8c4e3 Jani Nikula 2020-02-11 1095
926b005cd8c4e3 Jani Nikula 2020-02-11 1096 for (i = 0; i < ARRAY_SIZE(intel_display_debugfs_files); i++) {
926b005cd8c4e3 Jani Nikula 2020-02-11 1097 debugfs_create_file(intel_display_debugfs_files[i].name,
f270b7087dc836 Jani Nikula 2023-12-05 1098 0644,
926b005cd8c4e3 Jani Nikula 2020-02-11 1099 minor->debugfs_root,
926b005cd8c4e3 Jani Nikula 2020-02-11 1100 to_i915(minor->dev),
926b005cd8c4e3 Jani Nikula 2020-02-11 1101 intel_display_debugfs_files[i].fops);
926b005cd8c4e3 Jani Nikula 2020-02-11 1102 }
926b005cd8c4e3 Jani Nikula 2020-02-11 1103
f06b2052f74d7b Wambui Karuga 2020-03-10 1104 drm_debugfs_create_files(intel_display_debugfs_list,
926b005cd8c4e3 Jani Nikula 2020-02-11 1105 ARRAY_SIZE(intel_display_debugfs_list),
926b005cd8c4e3 Jani Nikula 2020-02-11 1106 minor->debugfs_root, minor);
d2de8ccfb29909 Ville Syrjälä 2021-11-24 1107
d7c281eecec069 Bhanuprakash Modem 2023-04-13 1108 intel_cdclk_debugfs_register(i915);
f0147745f78685 Jani Nikula 2022-03-21 1109 intel_dmc_debugfs_register(i915);
d2de8ccfb29909 Ville Syrjälä 2021-11-24 1110 intel_fbc_debugfs_register(i915);
1bed8b07342069 Jani Nikula 2022-09-16 1111 intel_hpd_debugfs_register(i915);
5cc0de45674971 Jani Nikula 2023-03-17 1112 intel_psr_debugfs_register(i915);
f22c982ef4152f Jani Nikula 2023-02-15 1113 intel_wm_debugfs_register(i915);
8015bee0bfec69 Jouni Högander 2023-10-24 1114 intel_display_debugfs_params(i915);
926b005cd8c4e3 Jani Nikula 2020-02-11 1115 }
926b005cd8c4e3 Jani Nikula 2020-02-11 1116

:::::: The code at line 1091 was first introduced by commit
:::::: f06b2052f74d7b42ff8cbfe1ac0b78be7668c37d drm/i915: have *_debugfs_init() functions return void.

:::::: TO: Wambui Karuga <wambui.karugax@xxxxxxxxx>
:::::: CC: Daniel Vetter <daniel.vetter@xxxxxxxx>

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