Hi Stanimir, I love your patch! Perhaps something to improve: [auto build test WARNING on linuxtv-media/master] [also build test WARNING on linus/master v5.10-rc1 next-20201026] [cannot apply to linux/master] [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/Stanimir-Varbanov/venus-venc-Fix-setting-of-profile-and-level/20201025-003549 base: git://linuxtv.org/media_tree.git master config: arm-randconfig-r023-20201026 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project f2c25c70791de95d2466e09b5b58fc37f6ccd7a4) 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 arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://github.com/0day-ci/linux/commit/11157ae4c1a8ce951c7b93f2bd240b9d96779965 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Stanimir-Varbanov/venus-venc-Fix-setting-of-profile-and-level/20201025-003549 git checkout 11157ae4c1a8ce951c7b93f2bd240b9d96779965 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/media/platform/qcom/venus/venc.c:713:2: warning: variable 'profile' is used uninitialized whenever switch default is taken [-Wsometimes-uninitialized] default: ^~~~~~~ drivers/media/platform/qcom/venus/venc.c:717:45: note: uninitialized use occurs here ret = venus_helper_set_profile_level(inst, profile, level); ^~~~~~~ drivers/media/platform/qcom/venus/venc.c:540:13: note: initialize the variable 'profile' to silence this warning u32 profile, level; ^ = 0 >> drivers/media/platform/qcom/venus/venc.c:713:2: warning: variable 'level' is used uninitialized whenever switch default is taken [-Wsometimes-uninitialized] default: ^~~~~~~ drivers/media/platform/qcom/venus/venc.c:717:54: note: uninitialized use occurs here ret = venus_helper_set_profile_level(inst, profile, level); ^~~~~ drivers/media/platform/qcom/venus/venc.c:540:20: note: initialize the variable 'level' to silence this warning u32 profile, level; ^ = 0 2 warnings generated. vim +/profile +713 drivers/media/platform/qcom/venus/venc.c 529 530 static int venc_set_properties(struct venus_inst *inst) 531 { 532 struct venc_controls *ctr = &inst->controls.enc; 533 struct hfi_intra_period intra_period; 534 struct hfi_framerate frate; 535 struct hfi_bitrate brate; 536 struct hfi_idr_period idrp; 537 struct hfi_quantization quant; 538 struct hfi_quantization_range quant_range; 539 u32 ptype, rate_control, bitrate; 540 u32 profile, level; 541 int ret; 542 543 ret = venus_helper_set_work_mode(inst, VIDC_WORK_MODE_2); 544 if (ret) 545 return ret; 546 547 ptype = HFI_PROPERTY_CONFIG_FRAME_RATE; 548 frate.buffer_type = HFI_BUFFER_OUTPUT; 549 frate.framerate = inst->fps * (1 << 16); 550 551 ret = hfi_session_set_property(inst, ptype, &frate); 552 if (ret) 553 return ret; 554 555 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) { 556 struct hfi_h264_vui_timing_info info; 557 struct hfi_h264_entropy_control entropy; 558 struct hfi_h264_db_control deblock; 559 560 ptype = HFI_PROPERTY_PARAM_VENC_H264_VUI_TIMING_INFO; 561 info.enable = 1; 562 info.fixed_framerate = 1; 563 info.time_scale = NSEC_PER_SEC; 564 565 ret = hfi_session_set_property(inst, ptype, &info); 566 if (ret) 567 return ret; 568 569 ptype = HFI_PROPERTY_PARAM_VENC_H264_ENTROPY_CONTROL; 570 entropy.entropy_mode = venc_v4l2_to_hfi( 571 V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE, 572 ctr->h264_entropy_mode); 573 entropy.cabac_model = HFI_H264_CABAC_MODEL_0; 574 575 ret = hfi_session_set_property(inst, ptype, &entropy); 576 if (ret) 577 return ret; 578 579 ptype = HFI_PROPERTY_PARAM_VENC_H264_DEBLOCK_CONTROL; 580 deblock.mode = venc_v4l2_to_hfi( 581 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE, 582 ctr->h264_loop_filter_mode); 583 deblock.slice_alpha_offset = ctr->h264_loop_filter_alpha; 584 deblock.slice_beta_offset = ctr->h264_loop_filter_beta; 585 586 ret = hfi_session_set_property(inst, ptype, &deblock); 587 if (ret) 588 return ret; 589 } 590 591 /* IDR periodicity, n: 592 * n = 0 - only the first I-frame is IDR frame 593 * n = 1 - all I-frames will be IDR frames 594 * n > 1 - every n-th I-frame will be IDR frame 595 */ 596 ptype = HFI_PROPERTY_CONFIG_VENC_IDR_PERIOD; 597 idrp.idr_period = 0; 598 ret = hfi_session_set_property(inst, ptype, &idrp); 599 if (ret) 600 return ret; 601 602 if (ctr->num_b_frames) { 603 u32 max_num_b_frames = NUM_B_FRAMES_MAX; 604 605 ptype = HFI_PROPERTY_PARAM_VENC_MAX_NUM_B_FRAMES; 606 ret = hfi_session_set_property(inst, ptype, &max_num_b_frames); 607 if (ret) 608 return ret; 609 } 610 611 ptype = HFI_PROPERTY_CONFIG_VENC_INTRA_PERIOD; 612 intra_period.pframes = ctr->num_p_frames; 613 intra_period.bframes = ctr->num_b_frames; 614 615 ret = hfi_session_set_property(inst, ptype, &intra_period); 616 if (ret) 617 return ret; 618 619 if (!ctr->rc_enable) 620 rate_control = HFI_RATE_CONTROL_OFF; 621 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR) 622 rate_control = ctr->frame_skip_mode ? HFI_RATE_CONTROL_VBR_VFR : 623 HFI_RATE_CONTROL_VBR_CFR; 624 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR) 625 rate_control = ctr->frame_skip_mode ? HFI_RATE_CONTROL_CBR_VFR : 626 HFI_RATE_CONTROL_CBR_CFR; 627 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CQ) 628 rate_control = HFI_RATE_CONTROL_CQ; 629 630 ptype = HFI_PROPERTY_PARAM_VENC_RATE_CONTROL; 631 ret = hfi_session_set_property(inst, ptype, &rate_control); 632 if (ret) 633 return ret; 634 635 if (rate_control == HFI_RATE_CONTROL_CQ && ctr->const_quality) { 636 struct hfi_heic_frame_quality quality = {}; 637 638 ptype = HFI_PROPERTY_CONFIG_HEIC_FRAME_QUALITY; 639 quality.frame_quality = ctr->const_quality; 640 ret = hfi_session_set_property(inst, ptype, &quality); 641 if (ret) 642 return ret; 643 } 644 645 if (!ctr->bitrate) 646 bitrate = 64000; 647 else 648 bitrate = ctr->bitrate; 649 650 ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE; 651 brate.bitrate = bitrate; 652 brate.layer_id = 0; 653 654 ret = hfi_session_set_property(inst, ptype, &brate); 655 if (ret) 656 return ret; 657 658 if (!ctr->bitrate_peak) 659 bitrate *= 2; 660 else 661 bitrate = ctr->bitrate_peak; 662 663 ptype = HFI_PROPERTY_CONFIG_VENC_MAX_BITRATE; 664 brate.bitrate = bitrate; 665 brate.layer_id = 0; 666 667 ret = hfi_session_set_property(inst, ptype, &brate); 668 if (ret) 669 return ret; 670 671 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP; 672 quant.qp_i = ctr->h264_i_qp; 673 quant.qp_p = ctr->h264_p_qp; 674 quant.qp_b = ctr->h264_b_qp; 675 quant.layer_id = 0; 676 ret = hfi_session_set_property(inst, ptype, &quant); 677 if (ret) 678 return ret; 679 680 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE; 681 quant_range.min_qp = ctr->h264_min_qp; 682 quant_range.max_qp = ctr->h264_max_qp; 683 quant_range.layer_id = 0; 684 ret = hfi_session_set_property(inst, ptype, &quant_range); 685 if (ret) 686 return ret; 687 688 switch (inst->hfi_codec) { 689 case HFI_VIDEO_CODEC_H264: 690 profile = ctr->profile.h264; 691 level = ctr->level.h264; 692 break; 693 case HFI_VIDEO_CODEC_MPEG2: 694 profile = 0; 695 level = 0; 696 break; 697 case HFI_VIDEO_CODEC_MPEG4: 698 profile = ctr->profile.mpeg4; 699 level = ctr->level.mpeg4; 700 break; 701 case HFI_VIDEO_CODEC_VP8: 702 profile = ctr->profile.vp8; 703 level = 0; 704 break; 705 case HFI_VIDEO_CODEC_VP9: 706 profile = ctr->profile.vp9; 707 level = ctr->level.vp9; 708 break; 709 case HFI_VIDEO_CODEC_HEVC: 710 profile = ctr->profile.hevc; 711 level = ctr->level.hevc; 712 break; > 713 default: 714 break; 715 } 716 717 ret = venus_helper_set_profile_level(inst, profile, level); 718 if (ret) 719 return ret; 720 721 return 0; 722 } 723 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org