drivers/gpu/drm/xe/display/xe_display_misc.c:10:14: warning: no previous prototype for 'intel_gmch_vga_set_decode'

[kernel test robot]

Hi Uma,

FYI, the error/warning still remains.

tree:   https://gitlab.freedesktop.org/drm/xe/kernel.git new
head:   f30cae3de3b138849010f4e54d8800eb1cc080b9
commit: e2f3d6c51c72c6ae6046ede17f03ca962a093bc1 drm/xe/display: Create a dummy version for vga decode
date:   10 weeks ago
config: microblaze-allyesconfig (https://download.01.org/0day-ci/archive/20231224/202312242306.cagXynVj-lkp@intel.com/config)
compiler: microblaze-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231224/202312242306.cagXynVj-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 at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312242306.cagXynVj-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/xe/display/xe_display_misc.c:10:14: warning: no previous prototype for 'intel_gmch_vga_set_decode' [-Wmissing-prototypes]
      10 | unsigned int intel_gmch_vga_set_decode(struct pci_dev *pdev, bool enable_decode)
         |              ^~~~~~~~~~~~~~~~~~~~~~~~~

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for INTEL_MEI_ME
   Depends on [n]: X86 && PCI [=y]
   Selected by [y]:
   - INTEL_MEI_HDCP [=y] && (DRM_I915 [=n] || DRM_XE [=y])


vim +/intel_gmch_vga_set_decode +10 drivers/gpu/drm/xe/display/xe_display_misc.c

     9	
  > 10	unsigned int intel_gmch_vga_set_decode(struct pci_dev *pdev, bool enable_decode)

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https://github.com/intel/lkp-tests/wiki