drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c:615:6: warning: no previous prototype for 'kgd_gfx_v9_get_atc_vmid_pasid_mapping_info'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   bcf876870b95592b52519ed4aafcf9d95999bc9c
commit: 56fc40aba4d9bc22ccbb8ce88a1c41f666d04f05 drm/amdkfd: Eliminate get_atc_vmid_pasid_mapping_valid
date:   10 months ago
config: x86_64-randconfig-r015-20200803 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-14) 9.3.0
reproduce (this is a W=1 build):
        git checkout 56fc40aba4d9bc22ccbb8ce88a1c41f666d04f05
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

   drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c:63:5: warning: no previous prototype for 'kgd_gfx_v9_get_tile_config' [-Wmissing-prototypes]
      63 | int kgd_gfx_v9_get_tile_config(struct kgd_dev *kgd,
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c:128:6: warning: no previous prototype for 'kgd_gfx_v9_program_sh_mem_settings' [-Wmissing-prototypes]
     128 | void kgd_gfx_v9_program_sh_mem_settings(struct kgd_dev *kgd, uint32_t vmid,
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c:145:5: warning: no previous prototype for 'kgd_gfx_v9_set_pasid_vmid_mapping' [-Wmissing-prototypes]
     145 | int kgd_gfx_v9_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid,
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c:206:5: warning: no previous prototype for 'kgd_gfx_v9_init_interrupts' [-Wmissing-prototypes]
     206 | int kgd_gfx_v9_init_interrupts(struct kgd_dev *kgd, uint32_t pipe_id)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c:255:5: warning: no previous prototype for 'kgd_gfx_v9_hqd_load' [-Wmissing-prototypes]
     255 | int kgd_gfx_v9_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id,
         |     ^~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c:350:5: warning: no previous prototype for 'kgd_gfx_v9_hqd_dump' [-Wmissing-prototypes]
     350 | int kgd_gfx_v9_hqd_dump(struct kgd_dev *kgd,
         |     ^~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c:484:6: warning: no previous prototype for 'kgd_gfx_v9_hqd_is_occupied' [-Wmissing-prototypes]
     484 | bool kgd_gfx_v9_hqd_is_occupied(struct kgd_dev *kgd, uint64_t queue_address,
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c:525:5: warning: no previous prototype for 'kgd_gfx_v9_hqd_destroy' [-Wmissing-prototypes]
     525 | int kgd_gfx_v9_hqd_destroy(struct kgd_dev *kgd, void *mqd,
         |     ^~~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c:615:6: warning: no previous prototype for 'kgd_gfx_v9_get_atc_vmid_pasid_mapping_info' [-Wmissing-prototypes]
     615 | bool kgd_gfx_v9_get_atc_vmid_pasid_mapping_info(struct kgd_dev *kgd,
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c:656:5: warning: no previous prototype for 'kgd_gfx_v9_invalidate_tlbs' [-Wmissing-prototypes]
     656 | int kgd_gfx_v9_invalidate_tlbs(struct kgd_dev *kgd, uint16_t pasid)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c:691:5: warning: no previous prototype for 'kgd_gfx_v9_invalidate_tlbs_vmid' [-Wmissing-prototypes]
     691 | int kgd_gfx_v9_invalidate_tlbs_vmid(struct kgd_dev *kgd, uint16_t vmid)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c:722:5: warning: no previous prototype for 'kgd_gfx_v9_address_watch_disable' [-Wmissing-prototypes]
     722 | int kgd_gfx_v9_address_watch_disable(struct kgd_dev *kgd)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c:727:5: warning: no previous prototype for 'kgd_gfx_v9_address_watch_execute' [-Wmissing-prototypes]
     727 | int kgd_gfx_v9_address_watch_execute(struct kgd_dev *kgd,
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c:736:5: warning: no previous prototype for 'kgd_gfx_v9_wave_control_execute' [-Wmissing-prototypes]
     736 | int kgd_gfx_v9_wave_control_execute(struct kgd_dev *kgd,
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c:761:10: warning: no previous prototype for 'kgd_gfx_v9_address_watch_get_offset' [-Wmissing-prototypes]
     761 | uint32_t kgd_gfx_v9_address_watch_get_offset(struct kgd_dev *kgd,
         |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c:768:6: warning: no previous prototype for 'kgd_gfx_v9_set_vm_context_page_table_base' [-Wmissing-prototypes]
     768 | void kgd_gfx_v9_set_vm_context_page_table_base(struct kgd_dev *kgd, uint32_t vmid,
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dc_types.h:34,
                    from drivers/gpu/drm/amd/amdgpu/../display/dc/dm_services_types.h:30,
                    from drivers/gpu/drm/amd/amdgpu/../include/dm_pp_interface.h:26,
                    from drivers/gpu/drm/amd/amdgpu/amdgpu.h:53,
                    from drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c:30:
   drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:76:32: warning: 'dc_fixpt_ln2_div_2' defined but not used [-Wunused-const-variable=]
      76 | static const struct fixed31_32 dc_fixpt_ln2_div_2 = { 1488522236LL };
         |                                ^~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:75:32: warning: 'dc_fixpt_ln2' defined but not used [-Wunused-const-variable=]
      75 | static const struct fixed31_32 dc_fixpt_ln2 = { 2977044471LL };
         |                                ^~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:74:32: warning: 'dc_fixpt_e' defined but not used [-Wunused-const-variable=]
      74 | static const struct fixed31_32 dc_fixpt_e = { 11674931555LL };
         |                                ^~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:73:32: warning: 'dc_fixpt_two_pi' defined but not used [-Wunused-const-variable=]
      73 | static const struct fixed31_32 dc_fixpt_two_pi = { 26986075409LL };
         |                                ^~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:72:32: warning: 'dc_fixpt_pi' defined but not used [-Wunused-const-variable=]
      72 | static const struct fixed31_32 dc_fixpt_pi = { 13493037705LL };
         |                                ^~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:67:32: warning: 'dc_fixpt_zero' defined but not used [-Wunused-const-variable=]
      67 | static const struct fixed31_32 dc_fixpt_zero = { 0 };
         |                                ^~~~~~~~~~~~~

vim +/kgd_gfx_v9_get_atc_vmid_pasid_mapping_info +615 drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c

   614	
 > 615	bool kgd_gfx_v9_get_atc_vmid_pasid_mapping_info(struct kgd_dev *kgd,
   616						uint8_t vmid, uint16_t *p_pasid)
   617	{
   618		uint32_t value;
   619		struct amdgpu_device *adev = (struct amdgpu_device *) kgd;
   620	
   621		value = RREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATC_VMID0_PASID_MAPPING)
   622			     + vmid);
   623		*p_pasid = value & ATC_VMID0_PASID_MAPPING__PASID_MASK;
   624	
   625		return !!(value & ATC_VMID0_PASID_MAPPING__VALID_MASK);
   626	}
   627	

---
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https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip