[drm:not-butter 2/12] drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:52:6: warning: no previous prototype for 'i915_ttm_gtt_mgr_has_gart_addr' - dri-devel - freedesktop.org experimental mailing list

30 Jun 2020


      tree:   git://people.freedesktop.org/~airlied/linux.git not-butter
head:   f9de02ab2d4b7fc8d05e5fff0d5b4d8e474bbba5
commit: 9ef551714e1c0e9a800143eb927c68b6eadb87cb [2/12] flesh out mgrs a bit
config: i386-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce (this is a W=1 build):
        git checkout 9ef551714e1c0e9a800143eb927c68b6eadb87cb
        # save the attached .config to linux build tree
        make W=1 ARCH=i386
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/i915/ttm/i915_ttm_gtt_mgr.c: In function 'i915_ttm_gtt_mgr_init':
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:20:6: warning: unused variable 'ret' [-Wunused-variable]
      20 |  int ret;
         |      ^~~
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:17:27: warning: unused variable 'i915' [-Wunused-variable]
      17 |  struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
         |                           ^~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c: In function 'i915_ttm_gtt_mgr_fini':
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:35:27: warning: unused variable 'i915' [-Wunused-variable]
      35 |  struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
         |                           ^~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c: At top level:
...
...
drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:52:6: warning: no previous prototype for 'i915_ttm_gtt_mgr_has_gart_addr' [-Wmissing-prototypes]
52 | bool i915_ttm_gtt_mgr_has_gart_addr(struct ttm_mem_reg *mem)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c: In function 'i915_ttm_gtt_mgr_alloc':
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:64:27: warning: unused variable 'i915' [-Wunused-variable]
      64 |  struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
         |                           ^~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c: In function 'i915_ttm_gtt_mgr_new':
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:105:17: warning: unused variable 'mm' [-Wunused-variable]
     105 |  struct drm_mm *mm = &mgr->mm;
         |                 ^~
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:103:27: warning: unused variable 'i915' [-Wunused-variable]
     103 |  struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
         |                           ^~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c: In function 'i915_ttm_gtt_mgr_del':
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:148:27: warning: unused variable 'i915' [-Wunused-variable]
     148 |  struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
         |                           ^~~~
--
     104 | static const struct kv_lcac_config_values cpl_local_cac_cfg_kv[] =
         |                                           ^~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/radeon/kv_dpm.c:98:43: warning: 'mc3_local_cac_cfg_kv' defined but not used [-Wunused-const-variable=]
      98 | static const struct kv_lcac_config_values mc3_local_cac_cfg_kv[] =
         |                                           ^~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/radeon/kv_dpm.c:92:43: warning: 'mc2_local_cac_cfg_kv' defined but not used [-Wunused-const-variable=]
      92 | static const struct kv_lcac_config_values mc2_local_cac_cfg_kv[] =
         |                                           ^~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/radeon/kv_dpm.c:86:43: warning: 'mc1_local_cac_cfg_kv' defined but not used [-Wunused-const-variable=]
      86 | static const struct kv_lcac_config_values mc1_local_cac_cfg_kv[] =
         |                                           ^~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/radeon/kv_dpm.c:80:43: warning: 'mc0_local_cac_cfg_kv' defined but not used [-Wunused-const-variable=]
      80 | static const struct kv_lcac_config_values mc0_local_cac_cfg_kv[] =
         |                                           ^~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/radeon/kv_dpm.c:67:43: warning: 'sx_local_cac_cfg_kv' defined but not used [-Wunused-const-variable=]
      67 | static const struct kv_lcac_config_values sx_local_cac_cfg_kv[] =
         |                                           ^~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c:433: warning: Function parameter or member 'flush_type' not described in 'gmc_v7_0_flush_gpu_tlb_pasid'
   drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c:433: warning: Function parameter or member 'all_hub' not described in 'gmc_v7_0_flush_gpu_tlb_pasid'
   drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c:471: warning: Function parameter or member 'vmhub' not described in 'gmc_v7_0_flush_gpu_tlb'
   drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c:471: warning: Function parameter or member 'flush_type' not described in 'gmc_v7_0_flush_gpu_tlb'
   drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c:771: warning: Function parameter or member 'pasid' not described in 'gmc_v7_0_vm_decode_fault'
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c: In function 'i915_ttm_vram_mgr_init':
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c:16:6: warning: unused variable 'ret' [-Wunused-variable]
      16 |  int ret;
         |      ^~~
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c:13:27: warning: unused variable 'i915' [-Wunused-variable]
      13 |  struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
         |                           ^~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c: In function 'i915_ttm_vram_mgr_fini':
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c:31:27: warning: unused variable 'i915' [-Wunused-variable]
      31 |  struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
         |                           ^~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c: In function 'i915_ttm_vram_mgr_new':
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c:53:22: warning: unused variable 'max_bytes' [-Wunused-variable]
      53 |  uint64_t mem_bytes, max_bytes;
         |                      ^~~~~~~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c:47:27: warning: unused variable 'i915' [-Wunused-variable]
      47 |  struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
         |                           ^~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c: In function 'i915_ttm_vram_mgr_del':
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c:144:22: warning: unused variable 'nodes' [-Wunused-variable]
     144 |  struct drm_mm_node *nodes = mem->mm_node;
         |                      ^~~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c:143:28: warning: unused variable 'mgr' [-Wunused-variable]
     143 |  struct i915_ttm_vram_mgr *mgr = man->priv;
         |                            ^~~
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c:142:27: warning: unused variable 'i915' [-Wunused-variable]
     142 |  struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
         |                           ^~~~
   drivers/gpu/drm/i915/ttm/i915_ttm.c: In function 'i915_ttm_init_mem_type':
   drivers/gpu/drm/i915/ttm/i915_ttm.c:28:27: warning: unused variable 'i915' [-Wunused-variable]
      28 |  struct drm_i915_private *i915 = to_i915_ttm_dev(bdev);
         |                           ^~~~
   In file included from drivers/gpu/drm/amd/amdgpu/gfxhub_v1_1.c:23:
   drivers/gpu/drm/amd/amdgpu/amdgpu.h:190:18: warning: 'sched_policy' defined but not used [-Wunused-const-variable=]
     190 | 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:65,
                    from drivers/gpu/drm/amd/amdgpu/gfxhub_v1_1.c:23:
   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 };
         |                                ^~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c:478: warning: Function parameter or member 'vmhub' not described in 'gmc_v9_0_flush_gpu_tlb'
   drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c:588: warning: Function parameter or member 'flush_type' not described in 'gmc_v9_0_flush_gpu_tlb_pasid'
   drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c:588: warning: Function parameter or member 'all_hub' not described in 'gmc_v9_0_flush_gpu_tlb_pasid'
   drivers/gpu/drm/radeon/radeon_dp_mst.c: In function 'radeon_mst_encoder_dpms':
   drivers/gpu/drm/radeon/radeon_dp_mst.c:366:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable]
     366 |  int ret, slots;
         |      ^~~
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c: In function 'i915_ttm_gtt_mgr_init':
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:20:6: warning: unused variable 'ret' [-Wunused-variable]
      20 |  int ret;
         |      ^~~
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:17:27: warning: unused variable 'i915' [-Wunused-variable]
      17 |  struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
         |                           ^~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c: In function 'i915_ttm_gtt_mgr_fini':
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:35:27: warning: unused variable 'i915' [-Wunused-variable]
      35 |  struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
         |                           ^~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c: At top level:
...
...
drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:52:6: warning: no previous prototype for 'i915_ttm_gtt_mgr_has_gart_addr' [-Wmissing-prototypes]
52 | bool i915_ttm_gtt_mgr_has_gart_addr(struct ttm_mem_reg *mem)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c: In function 'i915_ttm_gtt_mgr_alloc':
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:64:27: warning: unused variable 'i915' [-Wunused-variable]
      64 |  struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
         |                           ^~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c: In function 'i915_ttm_gtt_mgr_new':
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:105:17: warning: unused variable 'mm' [-Wunused-variable]
     105 |  struct drm_mm *mm = &mgr->mm;
         |                 ^~
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:103:27: warning: unused variable 'i915' [-Wunused-variable]
     103 |  struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
         |                           ^~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c: In function 'i915_ttm_gtt_mgr_del':
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:148:27: warning: unused variable 'i915' [-Wunused-variable]
     148 |  struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
         |                           ^~~~
   In file included from drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c:23:
   drivers/gpu/drm/amd/amdgpu/amdgpu.h:190:18: warning: 'sched_policy' defined but not used [-Wunused-const-variable=]
     190 | 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:65,
                    from drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c:23:
   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 };
         |                                ^~~~~~~~~~~~~
   drivers/gpu/drm/radeon/radeon_ib.c:61: warning: Function parameter or member 'vm' not described in 'radeon_ib_get'
   In file included from drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c:24:
   drivers/gpu/drm/amd/amdgpu/amdgpu.h:190:18: warning: 'sched_policy' defined but not used [-Wunused-const-variable=]
     190 | 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:65,
                    from drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c:24:
   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 };
         |                                ^~~~~~~~~~~~~
   drivers/gpu/drm/radeon/radeon_vm.c:131: warning: Function parameter or member 'rdev' not described in 'radeon_vm_get_bos'
   drivers/gpu/drm/radeon/radeon_vm.c:643: warning: Excess function parameter 'start' description in 'radeon_vm_update_page_directory'
   drivers/gpu/drm/radeon/radeon_vm.c:643: warning: Excess function parameter 'end' description in 'radeon_vm_update_page_directory'
   drivers/gpu/drm/radeon/radeon_vm.c:819: warning: Function parameter or member 'ib' not described in 'radeon_vm_update_ptes'
   drivers/gpu/drm/radeon/radeon_vm.c:915: warning: Function parameter or member 'bo_va' not described in 'radeon_vm_bo_update'
   drivers/gpu/drm/radeon/radeon_vm.c:915: warning: Excess function parameter 'vm' description in 'radeon_vm_bo_update'
   drivers/gpu/drm/radeon/radeon_vm.c:915: warning: Excess function parameter 'bo' description in 'radeon_vm_bo_update'
   drivers/gpu/drm/radeon/radeon_vm.c:1155: warning: Excess function parameter 'vm' description in 'radeon_vm_bo_invalidate'
   drivers/gpu/drm/radeon/radeon_sync.c:92: warning: Function parameter or member 'rdev' not described in 'radeon_sync_resv'
   drivers/gpu/drm/radeon/radeon_mn.c:51: warning: Function parameter or member 'cur_seq' not described in 'radeon_mn_invalidate'
   In file included from drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c:24:
   drivers/gpu/drm/amd/amdgpu/amdgpu.h:190:18: warning: 'sched_policy' defined but not used [-Wunused-const-variable=]
     190 | 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:65,
                    from drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c:24:
   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/i915/ttm/i915_ttm_vram_mgr.c: In function 'i915_ttm_vram_mgr_init':
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c:16:6: warning: unused variable 'ret' [-Wunused-variable]
      16 |  int ret;
         |      ^~~
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c:13:27: warning: unused variable 'i915' [-Wunused-variable]
      13 |  struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
         |                           ^~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c: In function 'i915_ttm_vram_mgr_fini':
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c:31:27: warning: unused variable 'i915' [-Wunused-variable]
      31 |  struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
         |                           ^~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c: In function 'i915_ttm_vram_mgr_new':
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c:53:22: warning: unused variable 'max_bytes' [-Wunused-variable]
      53 |  uint64_t mem_bytes, max_bytes;
         |                      ^~~~~~~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c:47:27: warning: unused variable 'i915' [-Wunused-variable]
      47 |  struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
         |                           ^~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c: In function 'i915_ttm_vram_mgr_del':
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c:144:22: warning: unused variable 'nodes' [-Wunused-variable]
     144 |  struct drm_mm_node *nodes = mem->mm_node;
         |                      ^~~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c:143:28: warning: unused variable 'mgr' [-Wunused-variable]
     143 |  struct i915_ttm_vram_mgr *mgr = man->priv;
         |                            ^~~
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c:142:27: warning: unused variable 'i915' [-Wunused-variable]
     142 |  struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
         |                           ^~~~
   drivers/gpu/drm/i915/ttm/i915_ttm.c: In function 'i915_ttm_init_mem_type':
   drivers/gpu/drm/i915/ttm/i915_ttm.c:28:27: warning: unused variable 'i915' [-Wunused-variable]
      28 |  struct drm_i915_private *i915 = to_i915_ttm_dev(bdev);
         |                           ^~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c: In function 'i915_ttm_gtt_mgr_init':
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:20:6: warning: unused variable 'ret' [-Wunused-variable]
      20 |  int ret;
         |      ^~~
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:17:27: warning: unused variable 'i915' [-Wunused-variable]
      17 |  struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
         |                           ^~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c: In function 'i915_ttm_gtt_mgr_fini':
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:35:27: warning: unused variable 'i915' [-Wunused-variable]
      35 |  struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
         |                           ^~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c: At top level:
...
...
drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:52:6: warning: no previous prototype for 'i915_ttm_gtt_mgr_has_gart_addr' [-Wmissing-prototypes]
52 | bool i915_ttm_gtt_mgr_has_gart_addr(struct ttm_mem_reg *mem)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c: In function 'i915_ttm_gtt_mgr_alloc':
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:64:27: warning: unused variable 'i915' [-Wunused-variable]
      64 |  struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
         |                           ^~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c: In function 'i915_ttm_gtt_mgr_new':
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:105:17: warning: unused variable 'mm' [-Wunused-variable]
     105 |  struct drm_mm *mm = &mgr->mm;
         |                 ^~
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:103:27: warning: unused variable 'i915' [-Wunused-variable]
     103 |  struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
         |                           ^~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c: In function 'i915_ttm_gtt_mgr_del':
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:148:27: warning: unused variable 'i915' [-Wunused-variable]
     148 |  struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
         |                           ^~~~
--
         |                                ^~~~~~~~~~
   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 };
         |                                ^~~~~~~~~~~~~
   In file included from drivers/gpu/drm/amd/amdgpu/dce_virtual.c:26:
   drivers/gpu/drm/amd/amdgpu/amdgpu.h:190:18: warning: 'sched_policy' defined but not used [-Wunused-const-variable=]
     190 | 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:65,
                    from drivers/gpu/drm/amd/amdgpu/dce_virtual.c:26:
   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 };
         |                                ^~~~~~~~~~~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c: In function 'i915_ttm_vram_mgr_init':
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c:16:6: warning: unused variable 'ret' [-Wunused-variable]
      16 |  int ret;
         |      ^~~
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c:13:27: warning: unused variable 'i915' [-Wunused-variable]
      13 |  struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
         |                           ^~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c: In function 'i915_ttm_vram_mgr_fini':
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c:31:27: warning: unused variable 'i915' [-Wunused-variable]
      31 |  struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
         |                           ^~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c: In function 'i915_ttm_vram_mgr_new':
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c:53:22: warning: unused variable 'max_bytes' [-Wunused-variable]
      53 |  uint64_t mem_bytes, max_bytes;
         |                      ^~~~~~~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c:47:27: warning: unused variable 'i915' [-Wunused-variable]
      47 |  struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
         |                           ^~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c: In function 'i915_ttm_vram_mgr_del':
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c:144:22: warning: unused variable 'nodes' [-Wunused-variable]
     144 |  struct drm_mm_node *nodes = mem->mm_node;
         |                      ^~~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c:143:28: warning: unused variable 'mgr' [-Wunused-variable]
     143 |  struct i915_ttm_vram_mgr *mgr = man->priv;
         |                            ^~~
   drivers/gpu/drm/i915/ttm/i915_ttm_vram_mgr.c:142:27: warning: unused variable 'i915' [-Wunused-variable]
     142 |  struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
         |                           ^~~~
   drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c: In function 'gfx_v10_rlcg_wreg':
   drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c:1291:18: warning: variable 'grbm_idx' set but not used [-Wunused-but-set-variable]
    1291 |  static uint32_t grbm_idx;
         |                  ^~~~~~~~
   drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c:1290:18: warning: variable 'grbm_cntl' set but not used [-Wunused-but-set-variable]
    1290 |  static uint32_t grbm_cntl;
         |                  ^~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c:1288:15: warning: variable 'scratch_reg3' set but not used [-Wunused-but-set-variable]
    1288 |  static void *scratch_reg3;
         |               ^~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c:1287:15: warning: variable 'scratch_reg2' set but not used [-Wunused-but-set-variable]
    1287 |  static void *scratch_reg2;
         |               ^~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c: At top level:
   drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c:4589:6: warning: no previous prototype for 'gfx_v10_0_rlc_stop' [-Wmissing-prototypes]
    4589 | void gfx_v10_0_rlc_stop(struct amdgpu_device *adev)
         |      ^~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:725:6: warning: no previous prototype for 'gfx_v9_0_rlcg_wreg' [-Wmissing-prototypes]
     725 | void gfx_v9_0_rlcg_wreg(struct amdgpu_device *adev, u32 offset, u32 v)
         |      ^~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:2989:6: warning: no previous prototype for 'gfx_v9_0_rlc_stop' [-Wmissing-prototypes]
    2989 | void gfx_v9_0_rlc_stop(struct amdgpu_device *adev)
         |      ^~~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c: In function 'i915_ttm_gtt_mgr_init':
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:20:6: warning: unused variable 'ret' [-Wunused-variable]
      20 |  int ret;
         |      ^~~
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:17:27: warning: unused variable 'i915' [-Wunused-variable]
      17 |  struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
         |                           ^~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c: In function 'i915_ttm_gtt_mgr_fini':
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:35:27: warning: unused variable 'i915' [-Wunused-variable]
      35 |  struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
         |                           ^~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c: At top level:
...
...
drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:52:6: warning: no previous prototype for 'i915_ttm_gtt_mgr_has_gart_addr' [-Wmissing-prototypes]
52 | bool i915_ttm_gtt_mgr_has_gart_addr(struct ttm_mem_reg *mem)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c: In function 'i915_ttm_gtt_mgr_alloc':
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:64:27: warning: unused variable 'i915' [-Wunused-variable]
      64 |  struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
         |                           ^~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c: In function 'i915_ttm_gtt_mgr_new':
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:105:17: warning: unused variable 'mm' [-Wunused-variable]
     105 |  struct drm_mm *mm = &mgr->mm;
         |                 ^~
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:103:27: warning: unused variable 'i915' [-Wunused-variable]
     103 |  struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
         |                           ^~~~
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c: In function 'i915_ttm_gtt_mgr_del':
   drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c:148:27: warning: unused variable 'i915' [-Wunused-variable]
     148 |  struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
         |                           ^~~~
   In file included from drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c:29:
   drivers/gpu/drm/amd/amdgpu/amdgpu.h:190:18: warning: 'sched_policy' defined but not used [-Wunused-const-variable=]
     190 | 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:65,
                    from drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c:29:
   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 };
         |                                ^~~~~~~~~~~~~
   In file included from drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:30:
   drivers/gpu/drm/amd/amdgpu/amdgpu.h:190:18: warning: 'sched_policy' defined but not used [-Wunused-const-variable=]
     190 | 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:65,
                    from drivers/gpu/drm/amd/amdgpu/gfx_v9_0.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 };
         |                                ^~~~~~~~~~~~~
   In file included from drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c:24:
   drivers/gpu/drm/amd/amdgpu/amdgpu.h:190:18: warning: 'sched_policy' defined but not used [-Wunused-const-variable=]
     190 | 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:65,
                    from drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c:24:
   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 };
         |                                ^~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/dce_v10_0.c:237: warning: Function parameter or member 'async' not described in 'dce_v10_0_page_flip'
   drivers/gpu/drm/amd/amdgpu/mes_v10_1.c:58:38: warning: 'mes_v10_1_funcs' defined but not used [-Wunused-const-variable=]
..
vim +/i915_ttm_gtt_mgr_has_gart_addr +52 drivers/gpu/drm/i915/ttm/i915_ttm_gtt_mgr.c
9	
    10	struct i915_ttm_gtt_node {
    11		struct drm_mm_node node;
    12		struct ttm_buffer_object *tbo;
    13	};
    14	static int i915_ttm_gtt_mgr_init(struct ttm_mem_type_manager *man,
    15					  unsigned long p_size)
    16	{
...
17		struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
18		struct i915_ttm_gtt_mgr *mgr;
    19	
    20		int ret;
    21	
    22		mgr = kzalloc(sizeof(*mgr), GFP_KERNEL);
    23		if (!mgr)
    24			return -ENOMEM;
    25	
    26		drm_mm_init(&mgr->mm, 0, p_size);
    27		spin_lock_init(&mgr->lock);
    28		man->priv = mgr;
    29	
    30		return 0;
    31	}
    32	
    33	static int i915_ttm_gtt_mgr_fini(struct ttm_mem_type_manager *man)
    34	{
    35		struct drm_i915_private *i915 = to_i915_ttm_dev(man->bdev);
    36		struct i915_ttm_gtt_mgr *mgr = man->priv;
    37		spin_lock(&mgr->lock);
    38		drm_mm_takedown(&mgr->mm);
    39		spin_unlock(&mgr->lock);
    40		kfree(mgr);
    41		man->priv = NULL;
    42		return 0;
    43	}
    44	
    45	/**
    46	 * i915_ttm_gtt_mgr_has_gart_addr - Check if mem has address space
    47	 *
    48	 * @mem: the mem object to check
    49	 *
    50	 * Check if a mem object has already address space allocated.
    51	 */
...
52	bool i915_ttm_gtt_mgr_has_gart_addr(struct ttm_mem_reg *mem)
53	{
    54		struct i915_ttm_gtt_node *node = mem->mm_node;
    55	
    56		return (node->node.start != I915_BO_INVALID_OFFSET);
    57	}
    58
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0-DAY CI Kernel Test Service, Intel Corporation
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