Hi Wyatt, FYI, the error/warning still remains. tree: https://github.com/intel/linux-intel-lts.git 5.10/yocto head: 1941d4b82f36cc6ecc513f3e496ad62726d00514 commit: 42e7487e09a6c68c1e22340048eb99a987e986f5 [16678/20368] drm/amd/display: Add ETW log to dmub_psr_get_state config: x86_64-randconfig-a011 (https://download.01.org/0day-ci/archive/20220114/202201141941.Xz1wEOGq-lk...) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/intel/linux-intel-lts/commit/42e7487e09a6c68c1e2234004... git remote add intel-lts https://github.com/intel/linux-intel-lts.git git fetch --no-tags intel-lts 5.10/yocto git checkout 42e7487e09a6c68c1e22340048eb99a987e986f5 # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/ drivers/gpu/ 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 >>): drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_psr.c: In function 'dmub_psr_get_state': 113 | *state, retry_count); | ^ vim +/else +113 drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_psr.c 78 79 /* 80 * Get PSR state from firmware. 81 */ 82 static void dmub_psr_get_state(struct dmub_psr *dmub, enum dc_psr_state *state, uint8_t panel_inst) 83 { 84 struct dmub_srv *srv = dmub->ctx->dmub_srv->dmub; 85 uint32_t raw_state = 0; 86 uint32_t retry_count = 0; 87 enum dmub_status status; 88 89 do { 90 // Send gpint command and wait for ack 91 status = dmub_srv_send_gpint_command(srv, DMUB_GPINT__GET_PSR_STATE, panel_inst, 30); 92 93 if (status == DMUB_STATUS_OK) { 94 // GPINT was executed, get response 95 dmub_srv_get_gpint_response(srv, &raw_state); 96 *state = convert_psr_state(raw_state); 97 } else 98 // Return invalid state when GPINT times out 99 *state = PSR_STATE_INVALID; 100 101 } while (++retry_count <= 1000 && *state == PSR_STATE_INVALID); 102 103 // Assert if max retry hit 104 if (retry_count >= 1000 && *state == PSR_STATE_INVALID) { 105 ASSERT(0); 106 DC_TRACE_LEVEL_MESSAGE(DAL_TRACE_LEVEL_ERROR, 107 WPP_BIT_FLAG_Firmware_PsrState, 108 "Unable to get PSR state from FW."); 109 } else 110 DC_TRACE_LEVEL_MESSAGE(DAL_TRACE_LEVEL_VERBOSE, 111 WPP_BIT_FLAG_Firmware_PsrState, 112 "Got PSR state from FW. PSR state: %d, Retry count: %d", 114 } 115 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org