tree: git://people.freedesktop.org/~agd5f/linux.git drm-next head: 1ebf4588bcd8d58d1f3c3d38e360ad068b791634 commit: 519b8b76f0b62a0be0d9fcee39819d2461fc3cb0 [182/207] drm/amdgpu: Implement new guest side VF2PF message transaction (v2) config: microblaze-randconfig-r034-20200930 (attached as .config) compiler: microblaze-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git remote add radeon-alex git://people.freedesktop.org/~agd5f/linux.git git fetch --no-tags radeon-alex drm-next git checkout 519b8b76f0b62a0be0d9fcee39819d2461fc3cb0 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=microblaze

If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot lkp@intel.com

All warnings (new ones prefixed by >>):

...

drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c:558:6: warning: no previous prototype for 'amdgpu_virt_update_vf2pf_work_item' [-Wmissing-prototypes]

558 | void amdgpu_virt_update_vf2pf_work_item(struct work_struct *work) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c:28: drivers/gpu/drm/amd/amdgpu/amdgpu.h:197:19: warning: 'no_system_mem_limit' defined but not used [-Wunused-const-variable=] 197 | static const bool no_system_mem_limit; | ^~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/amdgpu.h:196:19: warning: 'debug_evictions' defined but not used [-Wunused-const-variable=] 196 | static const bool debug_evictions; /* = false */ | ^~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/amdgpu.h:195:18: warning: 'sched_policy' defined but not used [-Wunused-const-variable=] 195 | static const int sched_policy = KFD_SCHED_POLICY_HWS; | ^~~~~~~~~~~~ In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dc_types.h:33, 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:67, from drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c:28: 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 }; | ^~~~~~~~~~~

vim +/amdgpu_virt_update_vf2pf_work_item +558 drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c

557

558 void amdgpu_virt_update_vf2pf_work_item(struct work_struct *work)

559 { 560 struct amdgpu_device *adev = container_of(work, struct amdgpu_device, virt.vf2pf_work.work); 561 562 amdgpu_virt_read_pf2vf_data(adev); 563 amdgpu_virt_write_vf2pf_data(adev); 564 565 schedule_delayed_work(&(adev->virt.vf2pf_work), adev->virt.vf2pf_update_interval_ms); 566 } 567

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