Re: [PATCH] media: venus: add support for key frame

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Hi Malathi,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linuxtv-media/master]
[also build test WARNING on v4.19-rc7 next-20181009]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Malathi-Gottam/media-venus-add-support-for-key-frame/20181009-214918
base:   git://linuxtv.org/media_tree.git master
config: arm-allmodconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.2.0 make.cross ARCH=arm 

Note: it may well be a FALSE warning. FWIW you are at least aware of it now.
http://gcc.gnu.org/wiki/Better_Uninitialized_Warnings

All warnings (new ones prefixed by >>):

   drivers/media//platform/qcom/venus/venc_ctrls.c: In function 'venc_op_s_ctrl':
>> drivers/media//platform/qcom/venus/venc_ctrls.c:180:7: warning: 'ptr' may be used uninitialized in this function [-Wmaybe-uninitialized]
      ret = hfi_session_set_property(inst, ptype, ptr);
      ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

vim +/ptr +180 drivers/media//platform/qcom/venus/venc_ctrls.c

    77	
    78	static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl)
    79	{
    80		struct venus_inst *inst = ctrl_to_inst(ctrl);
    81		struct venc_controls *ctr = &inst->controls.enc;
    82		u32 bframes;
    83		int ret;
    84		void *ptr;
    85		u32 ptype;
    86	
    87		switch (ctrl->id) {
    88		case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
    89			ctr->bitrate_mode = ctrl->val;
    90			break;
    91		case V4L2_CID_MPEG_VIDEO_BITRATE:
    92			ctr->bitrate = ctrl->val;
    93			break;
    94		case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
    95			ctr->bitrate_peak = ctrl->val;
    96			break;
    97		case V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE:
    98			ctr->h264_entropy_mode = ctrl->val;
    99			break;
   100		case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
   101			ctr->profile.mpeg4 = ctrl->val;
   102			break;
   103		case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
   104			ctr->profile.h264 = ctrl->val;
   105			break;
   106		case V4L2_CID_MPEG_VIDEO_VP8_PROFILE:
   107			ctr->profile.vpx = ctrl->val;
   108			break;
   109		case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
   110			ctr->level.mpeg4 = ctrl->val;
   111			break;
   112		case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
   113			ctr->level.h264 = ctrl->val;
   114			break;
   115		case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP:
   116			ctr->h264_i_qp = ctrl->val;
   117			break;
   118		case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP:
   119			ctr->h264_p_qp = ctrl->val;
   120			break;
   121		case V4L2_CID_MPEG_VIDEO_H264_B_FRAME_QP:
   122			ctr->h264_b_qp = ctrl->val;
   123			break;
   124		case V4L2_CID_MPEG_VIDEO_H264_MIN_QP:
   125			ctr->h264_min_qp = ctrl->val;
   126			break;
   127		case V4L2_CID_MPEG_VIDEO_H264_MAX_QP:
   128			ctr->h264_max_qp = ctrl->val;
   129			break;
   130		case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE:
   131			ctr->multi_slice_mode = ctrl->val;
   132			break;
   133		case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES:
   134			ctr->multi_slice_max_bytes = ctrl->val;
   135			break;
   136		case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB:
   137			ctr->multi_slice_max_mb = ctrl->val;
   138			break;
   139		case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA:
   140			ctr->h264_loop_filter_alpha = ctrl->val;
   141			break;
   142		case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA:
   143			ctr->h264_loop_filter_beta = ctrl->val;
   144			break;
   145		case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
   146			ctr->h264_loop_filter_mode = ctrl->val;
   147			break;
   148		case V4L2_CID_MPEG_VIDEO_HEADER_MODE:
   149			ctr->header_mode = ctrl->val;
   150			break;
   151		case V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB:
   152			break;
   153		case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
   154			ret = venc_calc_bpframes(ctrl->val, ctr->num_b_frames, &bframes,
   155						 &ctr->num_p_frames);
   156			if (ret)
   157				return ret;
   158	
   159			ctr->gop_size = ctrl->val;
   160			break;
   161		case V4L2_CID_MPEG_VIDEO_H264_I_PERIOD:
   162			ctr->h264_i_period = ctrl->val;
   163			break;
   164		case V4L2_CID_MPEG_VIDEO_VPX_MIN_QP:
   165			ctr->vp8_min_qp = ctrl->val;
   166			break;
   167		case V4L2_CID_MPEG_VIDEO_VPX_MAX_QP:
   168			ctr->vp8_max_qp = ctrl->val;
   169			break;
   170		case V4L2_CID_MPEG_VIDEO_B_FRAMES:
   171			ret = venc_calc_bpframes(ctr->gop_size, ctrl->val, &bframes,
   172						 &ctr->num_p_frames);
   173			if (ret)
   174				return ret;
   175	
   176			ctr->num_b_frames = bframes;
   177			break;
   178		case V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME:
   179			ptype = HFI_PROPERTY_CONFIG_VENC_REQUEST_SYNC_FRAME;
 > 180			ret = hfi_session_set_property(inst, ptype, ptr);
   181	
   182			if (ret)
   183				return ret;
   184	
   185			break;
   186		default:
   187			return -EINVAL;
   188		}
   189	
   190		return 0;
   191	}
   192	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Attachment: .config.gz
Description: application/gzip


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