tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 7636510f976d75b860848884169ba985c8f844d8 commit: c45ffcf7ea9d57b79e264b6c2d8afb5e95a93097 [9967/10320] drm/amd/display: Add DP 2.0 Audio Package Generator config: i386-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=c45ffcf7ea9d57b79e264b6c2d8afb5e95a93097 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout c45ffcf7ea9d57b79e264b6c2d8afb5e95a93097 # 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@xxxxxxxxx> All warnings (new ones prefixed by >>): drivers/gpu/drm/amd/amdgpu/../display/dc/dcn31/dcn31_apg.c: In function 'apg31_se_audio_setup': >> drivers/gpu/drm/amd/amdgpu/../display/dc/dcn31/dcn31_apg.c:117:11: warning: variable 'channels' set but not used [-Wunused-but-set-variable] 117 | uint32_t channels = 0; | ^~~~~~~~ >> drivers/gpu/drm/amd/amdgpu/../display/dc/dcn31/dcn31_apg.c:116:11: warning: variable 'speakers' set but not used [-Wunused-but-set-variable] 116 | uint32_t speakers = 0; | ^~~~~~~~ vim +/channels +117 drivers/gpu/drm/amd/amdgpu/../display/dc/dcn31/dcn31_apg.c 108 109 static void apg31_se_audio_setup( 110 struct apg *apg, 111 unsigned int az_inst, 112 struct audio_info *audio_info) 113 { 114 struct dcn31_apg *apg31 = DCN31_APG_FROM_APG(apg); 115 > 116 uint32_t speakers = 0; > 117 uint32_t channels = 0; 118 119 ASSERT(audio_info); 120 /* This should not happen.it does so we don't get BSOD*/ 121 if (audio_info == NULL) 122 return; 123 124 speakers = audio_info->flags.info.ALLSPEAKERS; 125 channels = speakers_to_channels(audio_info->flags.speaker_flags).all; 126 127 /* DisplayPort only allows for one audio stream with stream ID 0 */ 128 REG_UPDATE(APG_CONTROL2, APG_DP_AUDIO_STREAM_ID, 0); 129 130 /* When running in "pair mode", pairs of audio channels have their own enable 131 * this is for really old audio drivers */ 132 REG_UPDATE(APG_DBG_GEN_CONTROL, APG_DBG_AUDIO_CHANNEL_ENABLE, 0xF); 133 // REG_UPDATE(APG_DBG_GEN_CONTROL, APG_DBG_AUDIO_CHANNEL_ENABLE, channels); 134 135 /* Disable forced mem power off */ 136 REG_UPDATE(APG_MEM_PWR, APG_MEM_PWR_FORCE, 0); 137 138 apg31_enable(apg); 139 } 140 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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