[kbuild-all] [linux-next:master 889/2089] drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c:387:6: warning: variable 'ret' set but not used

tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 5fcb9628fd1227a5f11d87171cb1b8b5c414d9d9 commit: d804515467cc80c34de8d523ad4dfaed1700526e [889/2089] drm/amdgpu: add Sienna_Cichlid VCN PG and CG support (v2) 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 d804515467cc80c34de8d523ad4dfaed1700526e # 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(a)intel.com&gt; All warnings (new ones prefixed by >>, old ones prefixed by <<): drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c: In function 'vcn_v3_0_disable_static_power_gating': 387 | int ret; | ^~~ drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c: In function 'vcn_v3_0_enable_static_power_gating': drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c:439:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable] 439 | int ret; | ^~~ drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c: In function 'vcn_v3_0_disable_clock_gating': drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c:493:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable] 493 | int ret = 0; | ^~~ In file included from drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c:25: At top level: 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/vcn_v3_0.c:25: 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 +/ret +387 drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c 383 384 static void vcn_v3_0_disable_static_power_gating(struct amdgpu_device *adev, int inst) 385 { 386 uint32_t data = 0; 388 389 if (adev->pg_flags & AMD_PG_SUPPORT_VCN) { 390 data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT 391 | 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT 392 | 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT 393 | 2 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT 394 | 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT 395 | 2 << UVD_PGFSM_CONFIG__UVDIRL_PWR_CONFIG__SHIFT 396 | 1 << UVD_PGFSM_CONFIG__UVDLM_PWR_CONFIG__SHIFT 397 | 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT 398 | 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT 399 | 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT 400 | 2 << UVD_PGFSM_CONFIG__UVDAB_PWR_CONFIG__SHIFT 401 | 2 << UVD_PGFSM_CONFIG__UVDATD_PWR_CONFIG__SHIFT 402 | 2 << UVD_PGFSM_CONFIG__UVDNA_PWR_CONFIG__SHIFT 403 | 2 << UVD_PGFSM_CONFIG__UVDNB_PWR_CONFIG__SHIFT); 404 405 WREG32_SOC15(VCN, inst, mmUVD_PGFSM_CONFIG, data); 406 SOC15_WAIT_ON_RREG(VCN, inst, mmUVD_PGFSM_STATUS, 407 UVD_PGFSM_STATUS__UVDM_UVDU_UVDLM_PWR_ON_3_0, 0x3F3FFFFF, ret); 408 } else { 409 data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT 410 | 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT 411 | 1 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT 412 | 1 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT 413 | 1 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT 414 | 1 << UVD_PGFSM_CONFIG__UVDIRL_PWR_CONFIG__SHIFT 415 | 1 << UVD_PGFSM_CONFIG__UVDLM_PWR_CONFIG__SHIFT 416 | 1 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT 417 | 1 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT 418 | 1 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT 419 | 1 << UVD_PGFSM_CONFIG__UVDAB_PWR_CONFIG__SHIFT 420 | 1 << UVD_PGFSM_CONFIG__UVDATD_PWR_CONFIG__SHIFT 421 | 1 << UVD_PGFSM_CONFIG__UVDNA_PWR_CONFIG__SHIFT 422 | 1 << UVD_PGFSM_CONFIG__UVDNB_PWR_CONFIG__SHIFT); 423 WREG32_SOC15(VCN, inst, mmUVD_PGFSM_CONFIG, data); 424 SOC15_WAIT_ON_RREG(VCN, inst, mmUVD_PGFSM_STATUS, 0, 0x3F3FFFFF, ret); 425 } 426 427 data = RREG32_SOC15(VCN, inst, mmUVD_POWER_STATUS); 428 data &= ~0x103; 429 if (adev->pg_flags & AMD_PG_SUPPORT_VCN) 430 data |= UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON | 431 UVD_POWER_STATUS__UVD_PG_EN_MASK; 432 433 WREG32_SOC15(VCN, inst, mmUVD_POWER_STATUS, data); 434 } 435 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org