[kbuild-all] Re: [PATCH] media: staging: tegra-vde: fix runtime pm imbalance on error

Hi Dinghao, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on staging/staging-testing] [also build test WARNING on linuxtv-media/master v5.7-rc6 next-20200519] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Dinghao-Liu/media-staging-tegra-... base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git 8da047603bbcfddda6eb6ebbee0dc52c34badc6e config: x86_64-allyesconfig (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project e6658079aca6d971b4e9d7137a3a2ecbc9c34aec) reproduce: 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 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>, old ones prefixed by <<): unlock: ^~~~~~~ 1 warning generated. vim +/unlock +847 drivers/staging/media/tegra-vde/vde.c cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 691 cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 692 static int tegra_vde_ioctl_decode_h264(struct tegra_vde *vde, cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 693 unsigned long vaddr) cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 694 { cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 695 struct device *dev = vde->miscdev.parent; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 696 struct tegra_vde_h264_decoder_ctx ctx; b1b9b7bee370b5 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2019-06-02 697 struct tegra_vde_h264_frame *frames; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 698 struct tegra_vde_h264_frame __user *frames_user; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 699 struct video_frame *dpb_frames; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 700 struct dma_buf_attachment *bitstream_data_dmabuf_attachment; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 701 enum dma_data_direction dma_dir; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 702 dma_addr_t bitstream_data_addr; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 703 dma_addr_t bsev_ptr; 3830e4f2a907ca drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-03-17 704 size_t lsize, csize; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 705 size_t bitstream_data_size; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 706 unsigned int macroblocks_nb; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 707 unsigned int read_bytes; 3830e4f2a907ca drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-03-17 708 unsigned int cstride; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 709 unsigned int i; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 710 long timeout; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 711 int ret, err; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 712 cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 713 if (copy_from_user(&ctx, (void __user *)vaddr, sizeof(ctx))) cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 714 return -EFAULT; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 715 cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 716 ret = tegra_vde_validate_h264_ctx(dev, &ctx); cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 717 if (ret) cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 718 return ret; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 719 b301f8de192504 drivers/staging/media/tegra-vde/vde.c Dmitry Osipenko 2019-06-23 720 ret = tegra_vde_attach_dmabuf(vde, ctx.bitstream_data_fd, 17aed9041d5ba3 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-03-17 721 ctx.bitstream_data_offset, 17aed9041d5ba3 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-03-17 722 SZ_16K, SZ_16K, cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 723 &bitstream_data_dmabuf_attachment, cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 724 &bitstream_data_addr, cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 725 &bitstream_data_size, cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 726 DMA_TO_DEVICE); cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 727 if (ret) cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 728 return ret; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 729 b1b9b7bee370b5 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2019-06-02 730 frames = kmalloc_array(ctx.dpb_frames_nb, sizeof(*frames), GFP_KERNEL); b1b9b7bee370b5 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2019-06-02 731 if (!frames) { b1b9b7bee370b5 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2019-06-02 732 ret = -ENOMEM; b1b9b7bee370b5 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2019-06-02 733 goto release_bitstream_dmabuf; b1b9b7bee370b5 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2019-06-02 734 } b1b9b7bee370b5 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2019-06-02 735 cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 736 dpb_frames = kcalloc(ctx.dpb_frames_nb, sizeof(*dpb_frames), cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 737 GFP_KERNEL); cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 738 if (!dpb_frames) { cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 739 ret = -ENOMEM; b1b9b7bee370b5 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2019-06-02 740 goto free_frames; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 741 } cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 742 cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 743 macroblocks_nb = ctx.pic_width_in_mbs * ctx.pic_height_in_mbs; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 744 frames_user = u64_to_user_ptr(ctx.dpb_frames_ptr); cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 745 cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 746 if (copy_from_user(frames, frames_user, cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 747 ctx.dpb_frames_nb * sizeof(*frames))) { cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 748 ret = -EFAULT; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 749 goto free_dpb_frames; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 750 } cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 751 3830e4f2a907ca drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-03-17 752 cstride = ALIGN(ctx.pic_width_in_mbs * 8, 16); 3830e4f2a907ca drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-03-17 753 csize = cstride * ctx.pic_height_in_mbs * 8; 3830e4f2a907ca drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-03-17 754 lsize = macroblocks_nb * 256; 3830e4f2a907ca drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-03-17 755 cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 756 for (i = 0; i < ctx.dpb_frames_nb; i++) { cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 757 ret = tegra_vde_validate_frame(dev, &frames[i]); cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 758 if (ret) cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 759 goto release_dpb_frames; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 760 cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 761 dpb_frames[i].flags = frames[i].flags; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 762 dpb_frames[i].frame_num = frames[i].frame_num; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 763 cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 764 dma_dir = (i == 0) ? DMA_FROM_DEVICE : DMA_TO_DEVICE; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 765 b301f8de192504 drivers/staging/media/tegra-vde/vde.c Dmitry Osipenko 2019-06-23 766 ret = tegra_vde_attach_dmabufs_to_frame(vde, &dpb_frames[i], cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 767 &frames[i], dma_dir, cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 768 ctx.baseline_profile, 3830e4f2a907ca drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-03-17 769 lsize, csize); cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 770 if (ret) cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 771 goto release_dpb_frames; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 772 } cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 773 cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 774 ret = mutex_lock_interruptible(&vde->lock); cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 775 if (ret) cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 776 goto release_dpb_frames; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 777 cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 778 ret = pm_runtime_get_sync(dev); cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 779 if (ret < 0) bd3ff732806023 drivers/staging/media/tegra-vde/vde.c Dinghao Liu 2020-05-20 780 goto put_runtime_pm; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 781 cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 782 /* cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 783 * We rely on the VDE registers reset value, otherwise VDE cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 784 * causes bus lockup. cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 785 */ f68bbb23259e59 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-05-20 786 ret = reset_control_assert(vde->rst_mc); f68bbb23259e59 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-05-20 787 if (ret) { f68bbb23259e59 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-05-20 788 dev_err(dev, "DEC start: Failed to assert MC reset: %d\n", f68bbb23259e59 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-05-20 789 ret); f68bbb23259e59 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-05-20 790 goto put_runtime_pm; f68bbb23259e59 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-05-20 791 } f68bbb23259e59 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-05-20 792 cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 793 ret = reset_control_reset(vde->rst); cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 794 if (ret) { f68bbb23259e59 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-05-20 795 dev_err(dev, "DEC start: Failed to reset HW: %d\n", ret); f68bbb23259e59 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-05-20 796 goto put_runtime_pm; f68bbb23259e59 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-05-20 797 } f68bbb23259e59 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-05-20 798 f68bbb23259e59 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-05-20 799 ret = reset_control_deassert(vde->rst_mc); f68bbb23259e59 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-05-20 800 if (ret) { f68bbb23259e59 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-05-20 801 dev_err(dev, "DEC start: Failed to deassert MC reset: %d\n", f68bbb23259e59 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-05-20 802 ret); cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 803 goto put_runtime_pm; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 804 } cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 805 cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 806 ret = tegra_vde_setup_hw_context(vde, &ctx, dpb_frames, cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 807 bitstream_data_addr, cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 808 bitstream_data_size, cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 809 macroblocks_nb); cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 810 if (ret) cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 811 goto put_runtime_pm; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 812 cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 813 tegra_vde_decode_frame(vde, macroblocks_nb); cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 814 cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 815 timeout = wait_for_completion_interruptible_timeout( cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 816 &vde->decode_completion, msecs_to_jiffies(1000)); cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 817 if (timeout == 0) { 91dc5e91edf767 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-11-19 818 bsev_ptr = tegra_vde_readl(vde, vde->bsev, 0x10); 91dc5e91edf767 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-11-19 819 macroblocks_nb = tegra_vde_readl(vde, vde->sxe, 0xC8) & 0x1FFF; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 820 read_bytes = bsev_ptr ? bsev_ptr - bitstream_data_addr : 0; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 821 f072c44f36590b drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-03-17 822 dev_err(dev, "Decoding failed: read 0x%X bytes, %u macroblocks parsed\n", cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 823 read_bytes, macroblocks_nb); cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 824 cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 825 ret = -EIO; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 826 } else if (timeout < 0) { cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 827 ret = timeout; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 828 } cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 829 f68bbb23259e59 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-05-20 830 /* f68bbb23259e59 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-05-20 831 * At first reset memory client to avoid resetting VDE HW in the f68bbb23259e59 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-05-20 832 * middle of DMA which could result into memory corruption or hang f68bbb23259e59 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-05-20 833 * the whole system. f68bbb23259e59 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-05-20 834 */ f68bbb23259e59 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-05-20 835 err = reset_control_assert(vde->rst_mc); cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 836 if (err) f68bbb23259e59 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-05-20 837 dev_err(dev, "DEC end: Failed to assert MC reset: %d\n", err); f956aec08d2b98 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-05-29 838 f956aec08d2b98 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-05-29 839 err = reset_control_assert(vde->rst); f956aec08d2b98 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-05-29 840 if (err) f956aec08d2b98 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2018-05-29 841 dev_err(dev, "DEC end: Failed to assert HW reset: %d\n", err); cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 842 cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 843 put_runtime_pm: cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 844 pm_runtime_mark_last_busy(dev); cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 845 pm_runtime_put_autosuspend(dev); cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 846 cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 @847 unlock: cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 848 mutex_unlock(&vde->lock); cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 849 cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 850 release_dpb_frames: cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 851 while (i--) { cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 852 dma_dir = (i == 0) ? DMA_FROM_DEVICE : DMA_TO_DEVICE; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 853 b301f8de192504 drivers/staging/media/tegra-vde/vde.c Dmitry Osipenko 2019-06-23 854 tegra_vde_release_frame_dmabufs(vde, &dpb_frames[i], dma_dir, 92cd14408be363 drivers/staging/media/tegra-vde/vde.c Dmitry Osipenko 2019-06-23 855 ctx.baseline_profile, ret != 0); cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 856 } cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 857 cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 858 free_dpb_frames: cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 859 kfree(dpb_frames); cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 860 b1b9b7bee370b5 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2019-06-02 861 free_frames: b1b9b7bee370b5 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2019-06-02 862 kfree(frames); b1b9b7bee370b5 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2019-06-02 863 cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 864 release_bitstream_dmabuf: 92cd14408be363 drivers/staging/media/tegra-vde/vde.c Dmitry Osipenko 2019-06-23 865 tegra_vde_dmabuf_cache_unmap(vde, bitstream_data_dmabuf_attachment, 92cd14408be363 drivers/staging/media/tegra-vde/vde.c Dmitry Osipenko 2019-06-23 866 ret != 0); cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 867 cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 868 return ret; cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 869 } cd6c56feb591f6 drivers/staging/media/tegra-vde/tegra-vde.c Dmitry Osipenko 2017-12-11 870 :::::: The code at line 847 was first introduced by commit :::::: cd6c56feb591f6fe66bebcbeb43ecc0e2acdcffa media: staging: media: Introduce NVIDIA Tegra video decoder driver :::::: TO: Dmitry Osipenko <digetx(a)gmail.com&gt; :::::: CC: Mauro Carvalho Chehab <mchehab(a)s-opensource.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org