tree: https://github.com/Xilinx/linux-xlnx master head: 319e5bc767fe351a63744daa9cdd69b1915956d0 commit: 5591db926877ecdf1f61a995a5938f06d59c3588 [16/20] media: v4l: Add HDR support through compound controls config: um-allmodconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 reproduce (this is a W=1 build): git checkout 5591db926877ecdf1f61a995a5938f06d59c3588 # save the attached .config to linux build tree make W=1 ARCH=um If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): cc1: warning: arch/um/include/uapi: No such file or directory [-Wmissing-include-dirs] In file included from <command-line>: 59 | __u8 eotf; | ^~~~ include/media/hdr-ctrls.h:60:2: error: unknown type name '__u8' 60 | __u8 metadata_type; | ^~~~ 62 | __u16 x; | ^~~~~ include/media/hdr-ctrls.h:63:3: error: unknown type name '__u16' 63 | __u16 y; | ^~~~~ include/media/hdr-ctrls.h:66:3: error: unknown type name '__u16' 66 | __u16 x; | ^~~~~ include/media/hdr-ctrls.h:67:3: error: unknown type name '__u16' 67 | __u16 y; | ^~~~~ include/media/hdr-ctrls.h:69:2: error: unknown type name '__u16' 69 | __u16 max_mdl; | ^~~~~ include/media/hdr-ctrls.h:70:2: error: unknown type name '__u16' 70 | __u16 min_mdl; | ^~~~~ include/media/hdr-ctrls.h:71:2: error: unknown type name '__u16' 71 | __u16 max_cll; | ^~~~~ include/media/hdr-ctrls.h:72:2: error: unknown type name '__u16' 72 | __u16 max_fall; | ^~~~~ include/media/hdr-ctrls.h:83:2: error: unknown type name '__u16' 83 | __u16 metadata_type; | ^~~~~ include/media/hdr-ctrls.h:84:2: error: unknown type name '__u16' 84 | __u16 size; | ^~~~~ include/media/hdr-ctrls.h:86:2: error: unknown type name '__u8' 86 | __u8 payload[4000]; | ^~~~ vim +/__u8 +59 include/media/hdr-ctrls.h 45 46 /** 47 * struct v4l2_hdr10_payload - HDR Metadata Payload which matches CTA 861.G spec 48 * 49 * @eotf: Electro-Optical Transfer Function (EOTF) 50 * @metadata_type: Static_Metadata_Descriptor_ID 51 * @display_primaries: Color Primaries of the Data 52 * @white_point: White Point of Colorspace Data 53 * @max_mdl: Max Mastering Display Luminance 54 * @min_mdl: Min Mastering Display Luminance 55 * @max_cll: Max Content Light Level 56 * @max_fall: Max Frame Average Light Level 57 */ 58 struct v4l2_hdr10_payload { 60 __u8 metadata_type; 61 struct { 63 __u16 y; 64 } display_primaries[3]; 65 struct { 66 __u16 x; 67 __u16 y; 68 } white_point; 69 __u16 max_mdl; 70 __u16 min_mdl; 71 __u16 max_cll; 72 __u16 max_fall; 73 }; 74 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org