Re: [PATCH v3 07/11] drm/xe/vrsr: Enable VRSR on default VGA boot device

[kernel test robot <lkp@intel.com>]

Hi Badal,

kernel test robot noticed the following build warnings:

[auto build test WARNING on drm-xe/drm-xe-next]
[also build test WARNING on next-20250523]
[cannot apply to rafael-pm/linux-next rafael-pm/bleeding-edge pci/next pci/for-linus linus/master v6.15-rc7]
[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/Badal-Nilawar/PCI-ACPI-Add-D3cold-Aux-Power-Limit_DSM-method/20250524-030125
base:   https://gitlab.freedesktop.org/drm/xe/kernel.git drm-xe-next
patch link:    https://lore.kernel.org/r/20250523190155.2623462-8-badal.nilawar%40intel.com
patch subject: [PATCH v3 07/11] drm/xe/vrsr: Enable VRSR on default VGA boot device
config: s390-randconfig-001-20250524 (https://download.01.org/0day-ci/archive/20250524/202505240521.BnNwr31U-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250524/202505240521.BnNwr31U-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/202505240521.BnNwr31U-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from drivers/gpu/drm/xe/xe_irq.c:12:
>> drivers/gpu/drm/xe/display/xe_display.h:75:64: warning: non-void function does not return a value [-Wreturn-type]
      75 | static inline bool xe_display_connected(struct xe_device *xe) {}
         |                                                                ^
   In file included from drivers/gpu/drm/xe/xe_irq.c:12:
   In file included from drivers/gpu/drm/xe/display/xe_display.h:9:
   In file included from drivers/gpu/drm/xe/xe_device.h:11:
   In file included from drivers/gpu/drm/xe/xe_device_types.h:10:
   include/linux/pci-acpi.h:143:12: warning: unused function 'pci_acpi_request_d3cold_aux_power' [-Wunused-function]
     143 | static int pci_acpi_request_d3cold_aux_power(struct pci_dev *dev, u32 requested_power,
         |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/pci-acpi.h:149:12: warning: unused function 'pci_acpi_add_perst_assertion_delay' [-Wunused-function]
     149 | static int pci_acpi_add_perst_assertion_delay(struct pci_dev *dev, u32 delay_us)
         |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   3 warnings generated.
--
   In file included from drivers/gpu/drm/xe/xe_pm.c:17:
>> drivers/gpu/drm/xe/display/xe_display.h:75:64: warning: non-void function does not return a value [-Wreturn-type]
      75 | static inline bool xe_display_connected(struct xe_device *xe) {}
         |                                                                ^
   1 warning generated.


vim +75 drivers/gpu/drm/xe/display/xe_display.h

    74	
  > 75	static inline bool xe_display_connected(struct xe_device *xe) {}

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