reproduce (this is a W=1 build):
        git checkout 64f76d5d9fd17a5661d7e5eab2aa99218db60d0b
        b4 shazam https://lore.kernel.org/r/20261016-enc_roi_enable-v10-5-bc5bd37b6f3e@oss.qualcomm.com

        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests

        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-21 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=hexagon olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-21 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/media/platform/qcom/iris/