Hi Benjamin, I love your patch! Perhaps something to improve: [auto build test WARNING on media-tree/master] [also build test WARNING on sailus-media-tree/streams linus/master pza/reset/next] [cannot apply to pza/imx-drm/next] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Benjamin-Gaignard/media-verisilicon-Do-not-set-context-src-dst-formats-in-reset-functions/20230130-220204 base: git://linuxtv.org/media_tree.git master patch link: https://lore.kernel.org/r/20230130135802.744743-4-benjamin.gaignard%40collabora.com patch subject: [PATCH v6 3/5] media: verisilicon: Do not set ctx->bit_depth in hantro_try_ctrl() config: arm64-randconfig-r005-20230202 (https://download.01.org/0day-ci/archive/20230203/202302030526.YN9Piae4-lkp@xxxxxxxxx/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 4196ca3278f78c6e19246e54ab0ecb364e37d66a) 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/intel-lab-lkp/linux/commit/aecd2de6feaeb163aa78d82f1172b0020b64b174 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Benjamin-Gaignard/media-verisilicon-Do-not-set-context-src-dst-formats-in-reset-functions/20230130-220204 git checkout aecd2de6feaeb163aa78d82f1172b0020b64b174 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/media/platform/verisilicon/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/media/platform/verisilicon/hantro_drv.c:254:21: warning: variable 'ctx' set but not used [-Wunused-but-set-variable] struct hantro_ctx *ctx; ^ 1 warning generated. vim +/ctx +254 drivers/media/platform/verisilicon/hantro_drv.c 775fec69008d30 drivers/staging/media/rockchip/vpu/rockchip_vpu_drv.c Ezequiel Garcia 2018-12-05 251 d70cca73234420 drivers/staging/media/hantro/hantro_drv.c Ezequiel Garcia 2020-07-09 252 static int hantro_try_ctrl(struct v4l2_ctrl *ctrl) d70cca73234420 drivers/staging/media/hantro/hantro_drv.c Ezequiel Garcia 2020-07-09 253 { 4bec03301ecd81 drivers/media/platform/verisilicon/hantro_drv.c Benjamin Gaignard 2022-08-29 @254 struct hantro_ctx *ctx; 4bec03301ecd81 drivers/media/platform/verisilicon/hantro_drv.c Benjamin Gaignard 2022-08-29 255 4bec03301ecd81 drivers/media/platform/verisilicon/hantro_drv.c Benjamin Gaignard 2022-08-29 256 ctx = container_of(ctrl->handler, 4bec03301ecd81 drivers/media/platform/verisilicon/hantro_drv.c Benjamin Gaignard 2022-08-29 257 struct hantro_ctx, ctrl_handler); 4bec03301ecd81 drivers/media/platform/verisilicon/hantro_drv.c Benjamin Gaignard 2022-08-29 258 46a309d2751787 drivers/staging/media/hantro/hantro_drv.c Ezequiel Garcia 2020-11-26 259 if (ctrl->id == V4L2_CID_STATELESS_H264_SPS) { d70cca73234420 drivers/staging/media/hantro/hantro_drv.c Ezequiel Garcia 2020-07-09 260 const struct v4l2_ctrl_h264_sps *sps = ctrl->p_new.p_h264_sps; d70cca73234420 drivers/staging/media/hantro/hantro_drv.c Ezequiel Garcia 2020-07-09 261 d70cca73234420 drivers/staging/media/hantro/hantro_drv.c Ezequiel Garcia 2020-07-09 262 if (sps->chroma_format_idc > 1) d70cca73234420 drivers/staging/media/hantro/hantro_drv.c Ezequiel Garcia 2020-07-09 263 /* Only 4:0:0 and 4:2:0 are supported */ d70cca73234420 drivers/staging/media/hantro/hantro_drv.c Ezequiel Garcia 2020-07-09 264 return -EINVAL; d70cca73234420 drivers/staging/media/hantro/hantro_drv.c Ezequiel Garcia 2020-07-09 265 if (sps->bit_depth_luma_minus8 != sps->bit_depth_chroma_minus8) d70cca73234420 drivers/staging/media/hantro/hantro_drv.c Ezequiel Garcia 2020-07-09 266 /* Luma and chroma bit depth mismatch */ d70cca73234420 drivers/staging/media/hantro/hantro_drv.c Ezequiel Garcia 2020-07-09 267 return -EINVAL; d70cca73234420 drivers/staging/media/hantro/hantro_drv.c Ezequiel Garcia 2020-07-09 268 if (sps->bit_depth_luma_minus8 != 0) d70cca73234420 drivers/staging/media/hantro/hantro_drv.c Ezequiel Garcia 2020-07-09 269 /* Only 8-bit is supported */ d70cca73234420 drivers/staging/media/hantro/hantro_drv.c Ezequiel Garcia 2020-07-09 270 return -EINVAL; b92de2f91821ce drivers/staging/media/hantro/hantro_drv.c Benjamin Gaignard 2022-07-08 271 } else if (ctrl->id == V4L2_CID_STATELESS_HEVC_SPS) { 8968cfc282955c drivers/staging/media/hantro/hantro_drv.c Benjamin Gaignard 2021-06-03 272 const struct v4l2_ctrl_hevc_sps *sps = ctrl->p_new.p_hevc_sps; 8968cfc282955c drivers/staging/media/hantro/hantro_drv.c Benjamin Gaignard 2021-06-03 273 d040a24b5aaede drivers/media/platform/verisilicon/hantro_drv.c Benjamin Gaignard 2022-08-29 274 if (sps->bit_depth_luma_minus8 != 0 && sps->bit_depth_luma_minus8 != 2) d040a24b5aaede drivers/media/platform/verisilicon/hantro_drv.c Benjamin Gaignard 2022-08-29 275 /* Only 8-bit and 10-bit are supported */ df9ec2fc8e70e0 drivers/staging/media/hantro/hantro_drv.c Ezequiel Garcia 2022-07-18 276 return -EINVAL; e2da465455ce48 drivers/staging/media/hantro/hantro_drv.c Andrzej Pietrasiewicz 2021-11-16 277 } else if (ctrl->id == V4L2_CID_STATELESS_VP9_FRAME) { e2da465455ce48 drivers/staging/media/hantro/hantro_drv.c Andrzej Pietrasiewicz 2021-11-16 278 const struct v4l2_ctrl_vp9_frame *dec_params = ctrl->p_new.p_vp9_frame; e2da465455ce48 drivers/staging/media/hantro/hantro_drv.c Andrzej Pietrasiewicz 2021-11-16 279 e2da465455ce48 drivers/staging/media/hantro/hantro_drv.c Andrzej Pietrasiewicz 2021-11-16 280 /* We only support profile 0 */ e2da465455ce48 drivers/staging/media/hantro/hantro_drv.c Andrzej Pietrasiewicz 2021-11-16 281 if (dec_params->profile != 0) e2da465455ce48 drivers/staging/media/hantro/hantro_drv.c Andrzej Pietrasiewicz 2021-11-16 282 return -EINVAL; d70cca73234420 drivers/staging/media/hantro/hantro_drv.c Ezequiel Garcia 2020-07-09 283 } d70cca73234420 drivers/staging/media/hantro/hantro_drv.c Ezequiel Garcia 2020-07-09 284 return 0; d70cca73234420 drivers/staging/media/hantro/hantro_drv.c Ezequiel Garcia 2020-07-09 285 } d70cca73234420 drivers/staging/media/hantro/hantro_drv.c Ezequiel Garcia 2020-07-09 286 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests