Hi Andrey, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on drm-intel/for-linux-next] [also build test WARNING on drm-tip/drm-tip drm-exynos/exynos-drm-next tegra-drm/drm/tegra/for-next linus/master v5.13-rc1 next-20210510] [cannot apply to pci/next drm/drm-next] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Andrey-Grodzovsky/RFC-Support-ho... base: git://anongit.freedesktop.org/drm-intel for-linux-next config: x86_64-randconfig-a012-20210510 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 492173d42b32cb91d5d0d72d5ed84fcab80d059a) 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 x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://github.com/0day-ci/linux/commit/28901216b0a25add4057d60c10eb305d4... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Andrey-Grodzovsky/RFC-Support-hot-device-unplug-in-amdgpu/20210511-003754 git checkout 28901216b0a25add4057d60c10eb305d4a32535e # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64 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/amdgpu_fence.c:444: warning: Function parameter or member 'sched_score' not described in 'amdgpu_fence_driver_init_ring' -- -- vim +527 drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c d38ceaf99ed015 Alex Deucher 2015-04-20 517 d38ceaf99ed015 Alex Deucher 2015-04-20 518 /** d38ceaf99ed015 Alex Deucher 2015-04-20 519 * amdgpu_fence_driver_fini - tear down the fence driver d38ceaf99ed015 Alex Deucher 2015-04-20 520 * for all possible rings. d38ceaf99ed015 Alex Deucher 2015-04-20 521 * d38ceaf99ed015 Alex Deucher 2015-04-20 522 * @adev: amdgpu device pointer d38ceaf99ed015 Alex Deucher 2015-04-20 523 * d38ceaf99ed015 Alex Deucher 2015-04-20 524 * Tear down the fence driver for all possible rings (all asics). d38ceaf99ed015 Alex Deucher 2015-04-20 525 */ 28901216b0a25a Andrey Grodzovsky 2021-05-10 526 void amdgpu_fence_driver_fini_hw(struct amdgpu_device *adev) d38ceaf99ed015 Alex Deucher 2015-04-20 @527 { c89377d10a11e5 Christian König 2016-03-13 528 unsigned i, j; c89377d10a11e5 Christian König 2016-03-13 529 int r; d38ceaf99ed015 Alex Deucher 2015-04-20 530 d38ceaf99ed015 Alex Deucher 2015-04-20 531 for (i = 0; i < AMDGPU_MAX_RINGS; i++) { d38ceaf99ed015 Alex Deucher 2015-04-20 532 struct amdgpu_ring *ring = adev->rings[i]; c2776afe740db5 Christian König 2015-11-03 533 d38ceaf99ed015 Alex Deucher 2015-04-20 534 if (!ring || !ring->fence_drv.initialized) d38ceaf99ed015 Alex Deucher 2015-04-20 535 continue; bb0cd09be45ea4 Emily Deng 2021-03-04 536 if (!ring->no_scheduler) bb0cd09be45ea4 Emily Deng 2021-03-04 537 drm_sched_fini(&ring->sched); d38ceaf99ed015 Alex Deucher 2015-04-20 538 r = amdgpu_fence_wait_empty(ring); d38ceaf99ed015 Alex Deucher 2015-04-20 539 if (r) { d38ceaf99ed015 Alex Deucher 2015-04-20 540 /* no need to trigger GPU reset as we are unloading */ 2f9d4084cac96a Monk Liu 2017-10-16 541 amdgpu_fence_driver_force_completion(ring); d38ceaf99ed015 Alex Deucher 2015-04-20 542 } 55611b507fd645 Jack Xiao 2019-06-05 543 if (ring->fence_drv.irq_src) c6a4079badc2f0 Chunming Zhou 2015-06-01 544 amdgpu_irq_put(adev, ring->fence_drv.irq_src, c6a4079badc2f0 Chunming Zhou 2015-06-01 545 ring->fence_drv.irq_type); bb0cd09be45ea4 Emily Deng 2021-03-04 546 8c5e13ec6a2c26 Andrey Grodzovsky 2018-09-21 547 del_timer_sync(&ring->fence_drv.fallback_timer); 28901216b0a25a Andrey Grodzovsky 2021-05-10 548 } 28901216b0a25a Andrey Grodzovsky 2021-05-10 549 } 28901216b0a25a Andrey Grodzovsky 2021-05-10 550 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org