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
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