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Date: Fri, 30 Oct 2020 12:27:13 +0800
From: kernel test robot <lkp@...el.com>
To: Kuogee Hsieh <khsieh@...eaurora.org>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
Rob Clark <robdclark@...omium.org>
Subject: drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c:1229:7: error: implicit
declaration of function 'msm_dp_display_pre_disable'; did you mean
Hi Kuogee,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 07e0887302450a62f51dba72df6afb5fabb23d1c
commit: 8ede2ecc3e5ee327923f6e3cfe52761ce73607d1 drm/msm/dp: Add DP compliance tests on Snapdragon Chipsets
date: 6 weeks ago
config: arm64-randconfig-r032-20201030 (attached as .config)
compiler: aarch64-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
# 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=gcc-9.3.0 make.cross ARCH=arm64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c: In function 'dpu_encoder_virt_mode_set':
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c:981:31: warning: variable 'num_dspp' set but not used [-Wunused-but-set-variable]
981 | int num_lm, num_ctl, num_pp, num_dspp;
| ^~~~~~~~
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c:976:30: warning: variable 'topology' set but not used [-Wunused-but-set-variable]
976 | struct msm_display_topology topology;
| ^~~~~~~~
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c: In function '_dpu_encoder_virt_enable_helper':
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c:1099:26: warning: variable 'priv' set but not used [-Wunused-but-set-variable]
1099 | struct msm_drm_private *priv;
| ^~~~
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c: In function 'dpu_encoder_virt_disable':
>> drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c:1229:7: error: implicit declaration of function 'msm_dp_display_pre_disable'; did you mean 'msm_dp_display_disable'? [-Werror=implicit-function-declaration]
1229 | if (msm_dp_display_pre_disable(priv->dp, drm_enc))
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
| msm_dp_display_disable
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c:1203:18: warning: variable 'dpu_kms' set but not used [-Wunused-but-set-variable]
1203 | struct dpu_kms *dpu_kms;
| ^~~~~~~
cc1: some warnings being treated as errors
vim +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
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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