Hi, I love your patch! Yet something to improve: [auto build test ERROR on linuxtv-media/master] [also build test ERROR on staging/staging-testing driver-core/driver-core-testing linus/master v5.14-rc6 next-20210818] [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/sidraya-bj-pathpartnertech-com/T... base: git://linuxtv.org/media_tree.git master config: m68k-allmodconfig (attached as .config) compiler: m68k-linux-gcc (GCC) 11.2.0 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://github.com/0day-ci/linux/commit/ed83bf9b395e58893b5d92675196aee8f... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review sidraya-bj-pathpartnertech-com/TI-Video-Decoder-driver-upstreaming-to-v5-14-rc6-kernel/20210818-221811 git checkout ed83bf9b395e58893b5d92675196aee8f619efc9 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=m68k If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>): drivers/staging/media/vxd/decoder/vxd_core.c: In function 'stream_worker': 549 | struct vxd_dev *vxd = NULL; | ^~~ -- drivers/staging/media/vxd/decoder/vxd_v4l2.c: In function 'vxd_dec_buf_prepare': 712 | new_page = phys_to_page(vb2_dma_contig_plane_dma_addr(vb, plane)); | ^~~~~~~~~~~~ | pfn_to_page 712 | new_page = phys_to_page(vb2_dma_contig_plane_dma_addr(vb, plane)); | ^ 618 | int pages; | ^~~~~ In file included from drivers/staging/media/vxd/decoder/vxd_props.h:19, from drivers/staging/media/vxd/decoder/decoder.h:29, from drivers/staging/media/vxd/decoder/core.h:20, from drivers/staging/media/vxd/decoder/vxd_v4l2.c:52: At top level: drivers/staging/media/vxd/common/imgmmu.h:65:28: warning: 'VIRT_DIR_IDX_MASK' defined but not used [-Wunused-const-variable=] 65 | static const unsigned long VIRT_DIR_IDX_MASK = (~((1 << MMU_DIR_SHIFT) - 1)); | ^~~~~~~~~~~~~~~~~ drivers/staging/media/vxd/common/imgmmu.h:62:28: warning: 'VIRT_PAGE_TBL_MASK' defined but not used [-Wunused-const-variable=] 62 | static const unsigned long VIRT_PAGE_TBL_MASK = | ^~~~~~~~~~~~~~~~~~ drivers/staging/media/vxd/common/imgmmu.h:60:28: warning: 'VIRT_PAGE_OFF_MASK' defined but not used [-Wunused-const-variable=] 60 | static const unsigned long VIRT_PAGE_OFF_MASK = ((1 << MMU_PAGE_SHIFT) - 1); | ^~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors -- drivers/staging/media/vxd/decoder/hevc_secure_parser.c: In function 'bspp_hevc_parse_vps': 594 | } | ^ vim +712 drivers/staging/media/vxd/decoder/vxd_v4l2.c 604 605 static int vxd_dec_buf_prepare(struct vb2_buffer *vb) 606 { 607 struct vxd_dec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); 608 struct device *dev = ctx->dev->dev; 609 struct vxd_dec_q_data *q_data; 610 void *sgt; 611 #ifdef CAPTURE_CONTIG_ALLOC 612 struct page *new_page; 613 #else 614 void *sgl; 615 #endif 616 struct sg_table *sgt_new; 617 void *sgl_new; 619 int nents = 0; 620 int size = 0; 621 int plane, num_planes, ret = 0; 622 struct vxd_buffer *buf = 623 container_of(vb, struct vxd_buffer, buffer.vb.vb2_buf); 624 625 q_data = get_q_data(ctx, vb->vb2_queue->type); 626 if (!q_data) 627 return -EINVAL; 628 629 num_planes = q_data->fmt->num_planes; 630 631 for (plane = 0; plane < num_planes; plane++) { 632 if (vb2_plane_size(vb, plane) < q_data->size_image[plane]) { 633 dev_err(dev, "data will not fit into plane (%lu < %lu)\n", 634 vb2_plane_size(vb, plane), 635 (long)q_data->size_image[plane]); 636 return -EINVAL; 637 } 638 } 639 640 if (buf->mapped) 641 return 0; 642 643 buf->buf_info.cpu_linear_addr = vb2_plane_vaddr(vb, 0); 644 buf->buf_info.buf_size = vb2_plane_size(vb, 0); 645 buf->buf_info.fd = -1; 646 sgt = vb2_dma_sg_plane_desc(vb, 0); 647 if (!sgt) { 648 dev_err(dev, "Could not get sg_table from plane 0\n"); 649 return -EINVAL; 650 } 651 652 if (V4L2_TYPE_IS_OUTPUT(vb->type)) { 653 ret = core_stream_map_buf_sg(ctx->res_str_id, 654 VDEC_BUFTYPE_BITSTREAM, 655 &buf->buf_info, sgt, 656 &buf->buf_map_id); 657 if (ret) { 658 dev_err(dev, "OUTPUT core_stream_map_buf_sg failed\n"); 659 return ret; 660 } 661 662 buf->bstr_info.buf_size = q_data->size_image[0]; 663 buf->bstr_info.cpu_virt_addr = buf->buf_info.cpu_linear_addr; 664 buf->bstr_info.mem_attrib = 665 SYS_MEMATTRIB_UNCACHED | SYS_MEMATTRIB_WRITECOMBINE | 666 SYS_MEMATTRIB_INPUT | SYS_MEMATTRIB_CPU_WRITE; 667 buf->bstr_info.bufmap_id = buf->buf_map_id; 668 lst_init(&buf->seq_unit.bstr_seg_list); 669 lst_init(&buf->pic_unit.bstr_seg_list); 670 lst_init(&buf->end_unit.bstr_seg_list); 671 672 list_add_tail(&buf->list, &ctx->out_buffers); 673 } else { 674 /* Create a single sgt from the plane(s) */ 675 sgt_new = kmalloc(sizeof(*sgt_new), GFP_KERNEL); 676 if (!sgt_new) 677 return -EINVAL; 678 679 for (plane = 0; plane < num_planes; plane++) { 680 size += ALIGN(vb2_plane_size(vb, plane), PAGE_SIZE); 681 sgt = vb2_dma_sg_plane_desc(vb, plane); 682 if (!sgt) { 683 dev_err(dev, "Could not get sg_table from plane %d\n", plane); 684 kfree(sgt_new); 685 return -EINVAL; 686 } 687 #ifdef CAPTURE_CONTIG_ALLOC 688 nents += 1; 689 #else 690 nents += sg_nents(img_mmu_get_sgl(sgt)); 691 #endif 692 } 693 buf->buf_info.buf_size = size; 694 695 pages = (size + PAGE_SIZE - 1) / PAGE_SIZE; 696 ret = sg_alloc_table(sgt_new, nents, GFP_KERNEL); 697 if (ret) { 698 kfree(sgt_new); 699 return -EINVAL; 700 } 701 sgl_new = img_mmu_get_sgl(sgt_new); 702 703 for (plane = 0; plane < num_planes; plane++) { 704 sgt = vb2_dma_sg_plane_desc(vb, plane); 705 if (!sgt) { 706 dev_err(dev, "Could not get sg_table from plane %d\n", plane); 707 sg_free_table(sgt_new); 708 kfree(sgt_new); 709 return -EINVAL; 710 } 711 #ifdef CAPTURE_CONTIG_ALLOC 713 sg_set_page(sgl_new, new_page, ALIGN(vb2_plane_size(vb, plane), 714 PAGE_SIZE), 0); 715 sgl_new = sg_next(sgl_new); 716 #else 717 sgl = img_mmu_get_sgl(sgt); 718 719 while (sgl) { 720 sg_set_page(sgl_new, sg_page(sgl), img_mmu_get_sgl_length(sgl), 0); 721 sgl = sg_next(sgl); 722 sgl_new = sg_next(sgl_new); 723 } 724 #endif 725 } 726 727 buf->buf_info.pictbuf_cfg = ctx->pict_bufcfg; 728 ret = core_stream_map_buf_sg(ctx->res_str_id, 729 VDEC_BUFTYPE_PICTURE, 730 &buf->buf_info, sgt_new, 731 &buf->buf_map_id); 732 sg_free_table(sgt_new); 733 kfree(sgt_new); 734 if (ret) { 735 dev_err(dev, "CAPTURE core_stream_map_buf_sg failed\n"); 736 return ret; 737 } 738 list_add_tail(&buf->list, &ctx->cap_buffers); 739 } 740 buf->mapped = TRUE; 741 buf->reuse = TRUE; 742 743 return 0; 744 } 745 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org