tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 467f8165a2b0e6accf3d0dd9c8089b1dbde29f7f commit: c58eb1b54feefc3a47fab78addd14083bc941c44 drm/msm/dp: fix connect/disconnect handled at irq_hpd date: 3 weeks ago config: arm-randconfig-r035-20201220 (attached as .config) compiler: arm-linux-gnueabi-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=c58eb1b54feefc3a47fab78addd14083bc941c44 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout c58eb1b54feefc3a47fab78addd14083bc941c44 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> All warnings (new ones prefixed by >>): drivers/gpu/drm/msm/dp/dp_display.c: In function 'dp_display_usbpd_attention_cb': >> drivers/gpu/drm/msm/dp/dp_display.c:496:19: warning: variable 'hpd' set but >> not used [-Wunused-but-set-variable] 496 | struct dp_usbpd *hpd; | ^~~ vim +/hpd +496 drivers/gpu/drm/msm/dp/dp_display.c c943b4948b5848f Chandan Uddaraju 2020-08-27 490 c943b4948b5848f Chandan Uddaraju 2020-08-27 491 static int dp_display_usbpd_attention_cb(struct device *dev) c943b4948b5848f Chandan Uddaraju 2020-08-27 492 { c943b4948b5848f Chandan Uddaraju 2020-08-27 493 int rc = 0; 26b8d66a399e625 Kuogee Hsieh 2020-11-03 494 u32 sink_request; c943b4948b5848f Chandan Uddaraju 2020-08-27 495 struct dp_display_private *dp; 26b8d66a399e625 Kuogee Hsieh 2020-11-03 @496 struct dp_usbpd *hpd; c943b4948b5848f Chandan Uddaraju 2020-08-27 497 c943b4948b5848f Chandan Uddaraju 2020-08-27 498 if (!dev) { c943b4948b5848f Chandan Uddaraju 2020-08-27 499 DRM_ERROR("invalid dev\n"); c943b4948b5848f Chandan Uddaraju 2020-08-27 500 return -EINVAL; c943b4948b5848f Chandan Uddaraju 2020-08-27 501 } c943b4948b5848f Chandan Uddaraju 2020-08-27 502 061eb621fc2780a Abhinav Kumar 2020-09-12 503 dp = container_of(g_dp_display, 061eb621fc2780a Abhinav Kumar 2020-09-12 504 struct dp_display_private, dp_display); c943b4948b5848f Chandan Uddaraju 2020-08-27 505 if (!dp) { c943b4948b5848f Chandan Uddaraju 2020-08-27 506 DRM_ERROR("no driver data found\n"); c943b4948b5848f Chandan Uddaraju 2020-08-27 507 return -ENODEV; c943b4948b5848f Chandan Uddaraju 2020-08-27 508 } c943b4948b5848f Chandan Uddaraju 2020-08-27 509 26b8d66a399e625 Kuogee Hsieh 2020-11-03 510 hpd = dp->usbpd; 26b8d66a399e625 Kuogee Hsieh 2020-11-03 511 c943b4948b5848f Chandan Uddaraju 2020-08-27 512 /* check for any test request issued by sink */ 8ede2ecc3e5ee32 Kuogee Hsieh 2020-09-11 513 rc = dp_link_process_request(dp->link); 26b8d66a399e625 Kuogee Hsieh 2020-11-03 514 if (!rc) { 26b8d66a399e625 Kuogee Hsieh 2020-11-03 515 sink_request = dp->link->sink_request; c58eb1b54feefc3 Kuogee Hsieh 2020-11-18 516 if (sink_request & DS_PORT_STATUS_CHANGED) c58eb1b54feefc3 Kuogee Hsieh 2020-11-18 517 rc = dp_display_handle_port_ststus_changed(dp); c58eb1b54feefc3 Kuogee Hsieh 2020-11-18 518 else 26b8d66a399e625 Kuogee Hsieh 2020-11-03 519 rc = dp_display_handle_irq_hpd(dp); 26b8d66a399e625 Kuogee Hsieh 2020-11-03 520 } c943b4948b5848f Chandan Uddaraju 2020-08-27 521 8ede2ecc3e5ee32 Kuogee Hsieh 2020-09-11 522 return rc; c943b4948b5848f Chandan Uddaraju 2020-08-27 523 } c943b4948b5848f Chandan Uddaraju 2020-08-27 524 :::::: The code at line 496 was first introduced by commit :::::: 26b8d66a399e625f3aa2c02ccbab1bff2e00040c drm/msm/dp: promote irq_hpd handle to handle link training correctly :::::: TO: Kuogee Hsieh <[email protected]> :::::: CC: Rob Clark <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
