tree: git://people.freedesktop.org/~agd5f/linux.git amd-staging-drm-next head: 7173949df4548299ee6c63736f76247d3f288cd4 commit: f6668a70defec83ec0c837e052dd5490b66068d3 [1133/1153] drm/amdgpu: add timeout flush mechanism to update wptr for self interrupt config: alpha-allmodconfig (attached as .config) compiler: alpha-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 checkout f6668a70defec83ec0c837e052dd5490b66068d3 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=alpha

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/navi10_ih.c: In function 'force_update_wptr_for_self_int':

...

drivers/gpu/drm/amd/amdgpu/navi10_ih.c:64:2: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]

64 | u32 ih_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_CNTL2); | ^~~ In file included from drivers/gpu/drm/amd/amdgpu/navi10_ih.c:26: At top level: drivers/gpu/drm/amd/amdgpu/amdgpu.h:192:19: warning: 'debug_evictions' defined but not used [-Wunused-const-variable=] 192 | static const bool debug_evictions; /* = false */ | ^~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/amdgpu.h:191:18: warning: 'sched_policy' defined but not used [-Wunused-const-variable=] 191 | 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/navi10_ih.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 }; | ^~~~~~~~~~~~~

vim +64 drivers/gpu/drm/amd/amdgpu/navi10_ih.c

41 42 /** 43 * force_update_wptr_for_self_int - Force update the wptr for self interrupt 44 * 45 * @adev: amdgpu_device pointer 46 * @threshold: threshold to trigger the wptr reporting 47 * @timeout: timeout to trigger the wptr reporting 48 * @enabled: Enable/disable timeout flush mechanism 49 * 50 * threshold input range: 0 ~ 15, default 0, 51 * real_threshold = 2^threshold 52 * timeout input range: 0 ~ 20, default 8, 53 * real_timeout = (2^timeout) * 1024 / (socclk_freq) 54 * 55 * Force update wptr for self interrupt ( >= SIENNA_CICHLID). 56 */ 57 static void 58 force_update_wptr_for_self_int(struct amdgpu_device *adev, 59 u32 threshold, u32 timeout, bool enabled) 60 { 61 if (adev->asic_type < CHIP_SIENNA_CICHLID) 62 return; 63

64 u32 ih_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_CNTL2);

65 u32 ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1); 66 67 ih_cntl = REG_SET_FIELD(ih_cntl, IH_CNTL2, 68 SELF_IV_FORCE_WPTR_UPDATE_TIMEOUT, timeout); 69 ih_cntl = REG_SET_FIELD(ih_cntl, IH_CNTL2, 70 SELF_IV_FORCE_WPTR_UPDATE_ENABLE, enabled); 71 ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL_RING1, 72 RB_USED_INT_THRESHOLD, threshold); 73 74 WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl); 75 ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2); 76 ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL_RING2, 77 RB_USED_INT_THRESHOLD, threshold); 78 WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl); 79 WREG32_SOC15(OSSSYS, 0, mmIH_CNTL2, ih_cntl); 80 } 81

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