Messages in this thread | | | Date | Mon, 2 Nov 2020 09:19:50 +0800 | From | kernel test robot <> | Subject | drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c:1229:7: error: implicit declaration of function 'msm_dp_display_pre_disable' |
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Hi Kuogee,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 3cea11cd5e3b00d91caf0b4730194039b45c5891 commit: 8ede2ecc3e5ee327923f6e3cfe52761ce73607d1 drm/msm/dp: Add DP compliance tests on Snapdragon Chipsets date: 7 weeks ago config: arm64-randconfig-r022-20201101 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 235dfcf70abca65dba5d80f1a42d1485bab8980c) 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 # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8ede2ecc3e5ee327923f6e3cfe52761ce73607d1 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 8ede2ecc3e5ee327923f6e3cfe52761ce73607d1 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
>> drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c:1229:7: error: implicit declaration of function 'msm_dp_display_pre_disable' [-Werror,-Wimplicit-function-declaration] if (msm_dp_display_pre_disable(priv->dp, drm_enc)) ^ drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c:1229:7: note: did you mean 'msm_dp_display_disable'? drivers/gpu/drm/msm/msm_drv.h:420:19: note: 'msm_dp_display_disable' declared here static inline int msm_dp_display_disable(struct msm_dp *dp, ^ 1 error generated.
vim +/msm_dp_display_pre_disable +1229 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
1198 1199 static void dpu_encoder_virt_disable(struct drm_encoder *drm_enc) 1200 { 1201 struct dpu_encoder_virt *dpu_enc = NULL; 1202 struct msm_drm_private *priv; 1203 struct dpu_kms *dpu_kms; 1204 int i = 0; 1205 1206 if (!drm_enc) { 1207 DPU_ERROR("invalid encoder\n"); 1208 return; 1209 } else if (!drm_enc->dev) { 1210 DPU_ERROR("invalid dev\n"); 1211 return; 1212 } 1213 1214 dpu_enc = to_dpu_encoder_virt(drm_enc); 1215 DPU_DEBUG_ENC(dpu_enc, "\n"); 1216 1217 mutex_lock(&dpu_enc->enc_lock); 1218 dpu_enc->enabled = false; 1219 1220 priv = drm_enc->dev->dev_private; 1221 dpu_kms = to_dpu_kms(priv->kms); 1222 1223 trace_dpu_enc_disable(DRMID(drm_enc)); 1224 1225 /* wait for idle */ 1226 dpu_encoder_wait_for_event(drm_enc, MSM_ENC_TX_COMPLETE); 1227 1228 if (drm_enc->encoder_type == DRM_MODE_ENCODER_TMDS && priv->dp) { > 1229 if (msm_dp_display_pre_disable(priv->dp, drm_enc)) 1230 DPU_ERROR_ENC(dpu_enc, "dp display push idle failed\n"); 1231 } 1232 1233 dpu_encoder_resource_control(drm_enc, DPU_ENC_RC_EVENT_PRE_STOP); 1234 1235 for (i = 0; i < dpu_enc->num_phys_encs; i++) { 1236 struct dpu_encoder_phys *phys = dpu_enc->phys_encs[i]; 1237 1238 if (phys->ops.disable) 1239 phys->ops.disable(phys); 1240 } 1241 1242 1243 /* after phys waits for frame-done, should be no more frames pending */ 1244 if (atomic_xchg(&dpu_enc->frame_done_timeout_ms, 0)) { 1245 DPU_ERROR("enc%d timeout pending\n", drm_enc->base.id); 1246 del_timer_sync(&dpu_enc->frame_done_timer); 1247 } 1248 1249 dpu_encoder_resource_control(drm_enc, DPU_ENC_RC_EVENT_STOP); 1250 1251 for (i = 0; i < dpu_enc->num_phys_encs; i++) { 1252 dpu_enc->phys_encs[i]->connector = NULL; 1253 } 1254 1255 DPU_DEBUG_ENC(dpu_enc, "encoder disabled\n"); 1256 1257 if (drm_enc->encoder_type == DRM_MODE_ENCODER_TMDS && priv->dp) { 1258 if (msm_dp_display_disable(priv->dp, drm_enc)) 1259 DPU_ERROR_ENC(dpu_enc, "dp display disable failed\n"); 1260 } 1261 1262 mutex_unlock(&dpu_enc->enc_lock); 1263 } 1264
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