[chrome-os:chromeos-6.6 169/169] drivers/gpu/drm/mediatek/mtk_dp.c:423:12: warning: function 'mtk_dp_suspend' has internal linkage but is not defined

[chrome-os:chromeos-6.6 169/169] drivers/gpu/drm/mediatek/mtk_dp.c:423:12: warning: function 'mtk_dp_suspend' has internal linkage but is not defined

[kernel test robot]

tree:   https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-6.6
head:   c65c7bbfa145ae7df24f5e9b4de74a7fbaaac6c5
commit: 044955e3eece16d9c50e1a693c197e4193399d72 [169/169] CHROMIUM: drm/mediatek: add eDP driver for mt8196
config: x86_64-buildonly-randconfig-001-20250204 (https://download.01.org/0day-ci/archive/20250204/202502040451.qyZQpMPG-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250204/202502040451.qyZQpMPG-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/202502040451.qyZQpMPG-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/mediatek/mtk_dp.c:423:12: warning: function 'mtk_dp_suspend' has internal linkage but is not defined [-Wundefined-internal]
     423 | static int mtk_dp_suspend(struct device *dev);
         |            ^
   drivers/gpu/drm/mediatek/mtk_dp.c:2986:3: note: used here
    2986 |                 mtk_dp_suspend(dev);
         |                 ^
>> drivers/gpu/drm/mediatek/mtk_dp.c:424:12: warning: function 'mtk_dp_resume' has internal linkage but is not defined [-Wundefined-internal]
     424 | static int mtk_dp_resume(struct device *dev);
         |            ^
   drivers/gpu/drm/mediatek/mtk_dp.c:2989:3: note: used here
    2989 |                 mtk_dp_resume(dev);
         |                 ^
   2 warnings generated.


vim +/mtk_dp_suspend +423 drivers/gpu/drm/mediatek/mtk_dp.c

   415	
   416	static const struct regmap_config mtk_edp_phy_regmap_config = {
   417		.reg_bits = 32,
   418		.val_bits = 32,
   419		.reg_stride = 4,
   420		.max_register = SEC_OFFSET + 0x90,
   421		.name = "mtk-edp-phy-registers",
   422	};
 > 423	static int mtk_dp_suspend(struct device *dev);
 > 424	static int mtk_dp_resume(struct device *dev);
   425	

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