Hi Marek, kernel test robot noticed the following build errors:
[auto build test ERROR on drm-misc/drm-misc-next] [also build test ERROR on drm/drm-next drm-exynos/exynos-drm-next drm-tip/drm-tip next-20250924] [cannot apply to linus/master v6.17-rc7] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Marek-Vasut/drm-rcar-du-dsi-Fix-missing-parameter-in-RXSETR_-EN-macros/20250924-083415 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20250924003003.91039-5-marek.vasut%2Brenesas%40mailbox.org patch subject: [PATCH v2 04/10] drm/rcar-du: dsi: Clean up VCLKSET register macros config: arc-randconfig-002-20250924 (https://download.01.org/0day-ci/archive/20250925/[email protected]/config) compiler: arc-linux-gcc (GCC) 14.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250925/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All errors (new ones prefixed by >>): In file included from drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi.c:29: drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi.c: In function 'rcar_mipi_dsi_startup': >> drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi_regs.h:256:41: error: implicit >> declaration of function 'FIELD_PREP' [-Wimplicit-function-declaration] 256 | #define VCLKSET_BPP_24 FIELD_PREP(VCLKSET_BPP_MASK, 3) | ^~~~~~~~~~ drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi.c:629:28: note: in expansion of macro 'VCLKSET_BPP_24' 629 | vclkset |= VCLKSET_BPP_24; | ^~~~~~~~~~~~~~ vim +/FIELD_PREP +256 drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi_regs.h 246 247 #define VCLKSET 0x100c 248 #define VCLKSET_CKEN (1 << 16) 249 #define VCLKSET_COLOR_YCC (1 << 8) /* 0:RGB 1:YCbCr */ 250 #define VCLKSET_DIV_V3U(x) (((x) & 0x3) << 4) 251 #define VCLKSET_DIV_V4H(x) (((x) & 0x7) << 4) 252 #define VCLKSET_BPP_MASK (3 << 2) 253 #define VCLKSET_BPP_16 FIELD_PREP(VCLKSET_BPP_MASK, 0) 254 #define VCLKSET_BPP_18 FIELD_PREP(VCLKSET_BPP_MASK, 1) 255 #define VCLKSET_BPP_18L FIELD_PREP(VCLKSET_BPP_MASK, 2) > 256 #define VCLKSET_BPP_24 FIELD_PREP(VCLKSET_BPP_MASK, 3) 257 #define VCLKSET_LANE(x) (((x) & 0x3) << 0) 258 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
