[PATCH v3 06/11] drm/xe/vrsr: Initialize VRSR feature

[kernel test robot]

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/20250523190155.2623462-7-badal.nilawar%40intel.com
patch subject: [PATCH v3 06/11] drm/xe/vrsr: Initialize VRSR feature
config: arm-randconfig-002-20250524 (https://download.01.org/0day-ci/archive/20250524/202505240511.h1zy992X-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 7.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250524/202505240511.h1zy992X-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/202505240511.h1zy992X-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from drivers/gpu/drm/xe/xe_device_types.h:10:0,
                    from drivers/gpu/drm/xe/xe_bo_types.h:16,
                    from drivers/gpu/drm/xe/xe_bo.h:11,
                    from drivers/gpu/drm/xe/xe_query.c:17:
>> include/linux/pci-acpi.h:149:12: warning: 'pci_acpi_add_perst_assertion_delay' defined but not used [-Wunused-function]
    static int pci_acpi_add_perst_assertion_delay(struct pci_dev *dev, u32 delay_us)
               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/pci-acpi.h:143:12: warning: 'pci_acpi_request_d3cold_aux_power' defined but not used [-Wunused-function]
    static int pci_acpi_request_d3cold_aux_power(struct pci_dev *dev, u32 requested_power,
               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/pci_acpi_add_perst_assertion_delay +149 include/linux/pci-acpi.h

ac1c8e35a3262d Kuppuswamy Sathyanarayanan 2020-03-23  134  
59dc33252ee777 Rafael J. Wysocki          2021-08-24  135  int pci_acpi_set_companion_lookup_hook(struct acpi_device *(*func)(struct pci_dev *));
59dc33252ee777 Rafael J. Wysocki          2021-08-24  136  void pci_acpi_clear_companion_lookup_hook(void);
004b1d6651d930 Anshuman Gupta             2025-05-24  137  int pci_acpi_request_d3cold_aux_power(struct pci_dev *dev, u32 requested_power,
004b1d6651d930 Anshuman Gupta             2025-05-24  138  				      u32 *retry_interval);
57059451b12af0 Anshuman Gupta             2025-05-24  139  int pci_acpi_add_perst_assertion_delay(struct pci_dev *dev, u32 delay_us);
5090d4a6a1f150 Jiang Liu                  2013-04-12  140  #else	/* CONFIG_ACPI */
5090d4a6a1f150 Jiang Liu                  2013-04-12  141  static inline void acpi_pci_add_bus(struct pci_bus *bus) { }
5090d4a6a1f150 Jiang Liu                  2013-04-12  142  static inline void acpi_pci_remove_bus(struct pci_bus *bus) { }
004b1d6651d930 Anshuman Gupta             2025-05-24 @143  static int pci_acpi_request_d3cold_aux_power(struct pci_dev *dev, u32 requested_power,
004b1d6651d930 Anshuman Gupta             2025-05-24  144  					     u32 *retry_interval)
004b1d6651d930 Anshuman Gupta             2025-05-24  145  {
004b1d6651d930 Anshuman Gupta             2025-05-24  146  	return -EOPNOTSUPP;
004b1d6651d930 Anshuman Gupta             2025-05-24  147  }
57059451b12af0 Anshuman Gupta             2025-05-24  148  
57059451b12af0 Anshuman Gupta             2025-05-24 @149  static int pci_acpi_add_perst_assertion_delay(struct pci_dev *dev, u32 delay_us)
57059451b12af0 Anshuman Gupta             2025-05-24  150  {
57059451b12af0 Anshuman Gupta             2025-05-24  151  	return -EOPNOTSUPP;
57059451b12af0 Anshuman Gupta             2025-05-24  152  }
5090d4a6a1f150 Jiang Liu                  2013-04-12  153  #endif	/* CONFIG_ACPI */
^1da177e4c3f41 Linus Torvalds             2005-04-16  154  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki