Hi Sascha, I love your patch! Perhaps something to improve: [auto build test WARNING on rockchip/for-next] [also build test WARNING on drm/drm-next v5.16-rc2 next-20211125] [cannot apply to arm64/for-next/core] [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/Sascha-Hauer/drm-rockchip-RK356x-VOP2-support/20211117-223601 base: https://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git for-next config: mips-allmodconfig (https://download.01.org/0day-ci/archive/20211126/202111261442.VG18rKq6-lkp@xxxxxxxxx/config) compiler: mips-linux-gcc (GCC) 11.2.0 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 # https://github.com/0day-ci/linux/commit/f8c11ce8b4d254bb4824a87adbf9ed187a3c1178 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Sascha-Hauer/drm-rockchip-RK356x-VOP2-support/20211117-223601 git checkout f8c11ce8b4d254bb4824a87adbf9ed187a3c1178 # save the config file to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=mips 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/gpu/drm/rockchip/rockchip_drm_vop2.c: In function 'vop2_setup_dly_for_window': >> drivers/gpu/drm/rockchip/rockchip_drm_vop2.c:2943:27: warning: variable 'plane' set but not used [-Wunused-but-set-variable] 2943 | struct drm_plane *plane; | ^~~~~ vim +/plane +2943 drivers/gpu/drm/rockchip/rockchip_drm_vop2.c 2937 2938 static void vop2_setup_dly_for_window(struct vop2_video_port *vp, const struct vop2_zpos *vop2_zpos, 2939 int nr_layers) 2940 { 2941 struct vop2 *vop2 = vp->vop2; 2942 const struct vop2_zpos *zpos; > 2943 struct drm_plane *plane; 2944 struct vop2_win *win; 2945 uint32_t dly; 2946 int i = 0; 2947 2948 for (i = 0; i < nr_layers; i++) { 2949 zpos = &vop2_zpos[i]; 2950 win = zpos->win; 2951 plane = &win->base; 2952 dly = win->data->dly[VOP2_DLY_MODE_DEFAULT]; 2953 2954 if (vop2_cluster_window(win)) 2955 dly |= dly << 8; 2956 2957 vop2_write(vop2, &vop2->data->ctrl->win_dly[win->data->phys_id], dly); 2958 } 2959 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
