Hi Jocelyn, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on tegra-drm/drm/tegra/for-next] [also build test WARNING on v5.18-rc6] [cannot apply to drm/drm-next drm-tip/drm-tip airlied/drm-next next-20220511] [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/intel-lab-lkp/linux/commits/Jocelyn-Falempe/mgag200-Enable-atomic-gamma-lut-update/20220511-233134 base: git://anongit.freedesktop.org/tegra/linux.git drm/tegra/for-next config: i386-randconfig-a003-20220509 (https://download.01.org/0day-ci/archive/20220512/202205120649.U2yM0PXz-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 18dd123c56754edf62c7042dcf23185c3727610f) 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/intel-lab-lkp/linux/commit/0831f1db9ae8814796efea603749709e80d2808c git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Jocelyn-Falempe/mgag200-Enable-atomic-gamma-lut-update/20220511-233134 git checkout 0831f1db9ae8814796efea603749709e80d2808c # 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=i386 SHELL=/bin/bash drivers/gpu/drm/mgag200/ 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/mgag200/mgag200_mode.c:972:5: warning: format specifies type 'long' but the argument has type 'size_t' (aka 'unsigned int') [-Wformat] crtc_state->gamma_lut->length); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/drm/drm_print.h:438:46: note: expanded from macro 'drm_err' __drm_printk((drm), err,, "*ERROR* " fmt, ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/drm/drm_print.h:425:48: note: expanded from macro '__drm_printk' dev_##level##type((drm)->dev, "[drm] " fmt, ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/dev_printk.h:144:65: note: expanded from macro 'dev_err' dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap' _p_func(dev, fmt, ##__VA_ARGS__); \ ~~~ ^~~~~~~~~~~ 1 warning generated. vim +972 drivers/gpu/drm/mgag200/mgag200_mode.c 937 938 static int 939 mgag200_simple_display_pipe_check(struct drm_simple_display_pipe *pipe, 940 struct drm_plane_state *plane_state, 941 struct drm_crtc_state *crtc_state) 942 { 943 struct drm_plane *plane = plane_state->plane; 944 struct drm_device *dev = plane->dev; 945 struct mga_device *mdev = to_mga_device(dev); 946 struct mgag200_pll *pixpll = &mdev->pixpll; 947 struct mgag200_crtc_state *mgag200_crtc_state = to_mgag200_crtc_state(crtc_state); 948 struct drm_framebuffer *new_fb = plane_state->fb; 949 struct drm_framebuffer *fb = NULL; 950 int ret; 951 952 if (!new_fb) 953 return 0; 954 955 if (plane->state) 956 fb = plane->state->fb; 957 958 if (!fb || (fb->format != new_fb->format)) 959 crtc_state->mode_changed = true; /* update PLL settings */ 960 961 if (crtc_state->mode_changed) { 962 ret = pixpll->funcs->compute(pixpll, crtc_state->mode.clock, 963 &mgag200_crtc_state->pixpllc); 964 if (ret) 965 return ret; 966 } 967 968 if (crtc_state->color_mgmt_changed && crtc_state->gamma_lut) { 969 if (crtc_state->gamma_lut->length != 970 MGAG200_LUT_SIZE * sizeof(struct drm_color_lut)) { 971 drm_err(dev, "Wrong size for gamma_lut %ld\n", > 972 crtc_state->gamma_lut->length); 973 return -EINVAL; 974 } 975 } 976 return 0; 977 } 978 -- 0-DAY CI Kernel Test Service https://01.org/lkp
