Hi Ezequiel, I love your patch! Perhaps something to improve: [auto build test WARNING on linuxtv-media/master] [also build test WARNING on linus/master v5.9-rc7 next-20200930] [cannot apply to sunxi/sunxi/for-next 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/Ezequiel-Garcia/MPEG-2-stateless-API-cleanup/20200930-075132 base: git://linuxtv.org/media_tree.git master config: arm64-randconfig-r005-20200930 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project bcd05599d0e53977a963799d6ee4f6e0bc21331b) 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 arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://github.com/0day-ci/linux/commit/66b41927094ce2dca6a1b64570eb067fa5a24f74 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Ezequiel-Garcia/MPEG-2-stateless-API-cleanup/20200930-075132 git checkout 66b41927094ce2dca6a1b64570eb067fa5a24f74 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/staging/media/hantro/rk3399_vpu_hw_mpeg2_dec.c:208:33: warning: logical not is only applied to the left hand side of this bitwise operator [-Wlogical-not-parentheses] VDPU_REG_PIC_INTERLACE_E(!seq->flags & V4L2_MPEG2_SEQ_FLAG_PROGRESSIVE) | ^ ~ drivers/staging/media/hantro/rk3399_vpu_hw_mpeg2_dec.c:52:39: note: expanded from macro 'VDPU_REG_PIC_INTERLACE_E' #define VDPU_REG_PIC_INTERLACE_E(v) ((v) ? BIT(17) : 0) ^ drivers/staging/media/hantro/rk3399_vpu_hw_mpeg2_dec.c:208:33: note: add parentheses after the '!' to evaluate the bitwise operator first drivers/staging/media/hantro/rk3399_vpu_hw_mpeg2_dec.c:208:33: note: add parentheses around left hand side expression to silence this warning 1 warning generated. vim +208 drivers/staging/media/hantro/rk3399_vpu_hw_mpeg2_dec.c 155 156 void rk3399_vpu_mpeg2_dec_run(struct hantro_ctx *ctx) 157 { 158 struct hantro_dev *vpu = ctx->dev; 159 struct vb2_v4l2_buffer *src_buf, *dst_buf; 160 const struct v4l2_ctrl_mpeg2_slice_params *slice_params; 161 const struct v4l2_mpeg2_sequence *seq; 162 const struct v4l2_mpeg2_picture *pic; 163 u32 reg; 164 165 src_buf = hantro_get_src_buf(ctx); 166 dst_buf = hantro_get_dst_buf(ctx); 167 168 hantro_start_prepare_run(ctx); 169 170 slice_params = hantro_get_ctrl(ctx, 171 V4L2_CID_MPEG_VIDEO_MPEG2_SLICE_PARAMS); 172 seq = &slice_params->sequence; 173 pic = &slice_params->picture; 174 175 reg = VDPU_REG_DEC_ADV_PRE_DIS(0) | 176 VDPU_REG_DEC_SCMD_DIS(0) | 177 VDPU_REG_FILTERING_DIS(1) | 178 VDPU_REG_DEC_LATENCY(0); 179 vdpu_write_relaxed(vpu, reg, VDPU_SWREG(50)); 180 181 reg = VDPU_REG_INIT_QP(1) | 182 VDPU_REG_STREAM_LEN(slice_params->bit_size >> 3); 183 vdpu_write_relaxed(vpu, reg, VDPU_SWREG(51)); 184 185 reg = VDPU_REG_APF_THRESHOLD(8) | 186 VDPU_REG_STARTMB_X(0) | 187 VDPU_REG_STARTMB_Y(0); 188 vdpu_write_relaxed(vpu, reg, VDPU_SWREG(52)); 189 190 reg = VDPU_REG_DEC_MODE(5); 191 vdpu_write_relaxed(vpu, reg, VDPU_SWREG(53)); 192 193 reg = VDPU_REG_DEC_STRENDIAN_E(1) | 194 VDPU_REG_DEC_STRSWAP32_E(1) | 195 VDPU_REG_DEC_OUTSWAP32_E(1) | 196 VDPU_REG_DEC_INSWAP32_E(1) | 197 VDPU_REG_DEC_OUT_ENDIAN(1) | 198 VDPU_REG_DEC_IN_ENDIAN(1); 199 vdpu_write_relaxed(vpu, reg, VDPU_SWREG(54)); 200 201 reg = VDPU_REG_DEC_DATA_DISC_E(0) | 202 VDPU_REG_DEC_MAX_BURST(16) | 203 VDPU_REG_DEC_AXI_WR_ID(0) | 204 VDPU_REG_DEC_AXI_RD_ID(0); 205 vdpu_write_relaxed(vpu, reg, VDPU_SWREG(56)); 206 207 reg = VDPU_REG_RLC_MODE_E(0) | > 208 VDPU_REG_PIC_INTERLACE_E(!seq->flags & V4L2_MPEG2_SEQ_FLAG_PROGRESSIVE) | --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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