tree: git://anongit.freedesktop.org/drm/drm-misc for-linux-next head: 7b0062036c3b71b4a69e244ecf0502c06c4cf5f0 commit: 879b3b6511fe92b1b93dfc543961347289a8aeaa [5/9] drm/fb_dma: Add generic get_scanout_buffer() for drm_panic config: riscv-defconfig (https://download.01.org/0day-ci/archive/20240416/202404160702.2kFuK6Qq-lkp@xxxxxxxxx/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 7089c359a3845323f6f30c44a47dd901f2edfe63) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240416/202404160702.2kFuK6Qq-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202404160702.2kFuK6Qq-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from drivers/gpu/drm/drm_fb_dma_helper.c:12: In file included from include/drm/drm_damage_helper.h:35: In file included from include/drm/drm_atomic_helper.h:31: In file included from include/drm/drm_crtc.h:32: In file included from include/drm/drm_modes.h:33: In file included from include/drm/drm_connector.h:32: In file included from include/drm/drm_util.h:35: In file included from include/linux/interrupt.h:21: In file included from arch/riscv/include/asm/sections.h:9: In file included from include/linux/mm.h:2208: include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ >> drivers/gpu/drm/drm_fb_dma_helper.c:164:5: warning: no previous prototype for function 'drm_fb_dma_get_scanout_buffer' [-Wmissing-prototypes] 164 | int drm_fb_dma_get_scanout_buffer(struct drm_plane *plane, | ^ drivers/gpu/drm/drm_fb_dma_helper.c:164:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 164 | int drm_fb_dma_get_scanout_buffer(struct drm_plane *plane, | ^ | static 2 warnings generated. -- >> drivers/gpu/drm/drm_fb_dma_helper.c:166: warning: Function parameter or struct member 'sb' not described in 'drm_fb_dma_get_scanout_buffer' >> drivers/gpu/drm/drm_fb_dma_helper.c:166: warning: Excess function parameter 'drm_scanout_buffer' description in 'drm_fb_dma_get_scanout_buffer' vim +/drm_fb_dma_get_scanout_buffer +164 drivers/gpu/drm/drm_fb_dma_helper.c 152 153 /** 154 * drm_fb_dma_get_scanout_buffer - Provide a scanout buffer in case of panic 155 * @plane: DRM primary plane 156 * @drm_scanout_buffer: scanout buffer for the panic handler 157 * Returns: 0 or negative error code 158 * 159 * Generic get_scanout_buffer() implementation, for drivers that uses the 160 * drm_fb_dma_helper. It won't call vmap in the panic context, so the driver 161 * should make sure the primary plane is vmapped, otherwise the panic screen 162 * won't get displayed. 163 */ > 164 int drm_fb_dma_get_scanout_buffer(struct drm_plane *plane, 165 struct drm_scanout_buffer *sb) > 166 { -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
