Hi AngeloGioacchino, kernel test robot noticed the following build errors: [auto build test ERROR on next-20250113] [cannot apply to robh/for-next pza/reset/next linus/master pza/imx-drm/next drm-misc/drm-misc-next v6.13-rc7 v6.13-rc6 v6.13-rc5 v6.13-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/AngeloGioacchino-Del-Regno/dt-bindings-display-mediatek-dpi-Add-MT8195-and-MT8188-compat/20250113-225554 base: next-20250113 patch link: https://lore.kernel.org/r/20250113145232.227674-33-angelogioacchino.delregno%40collabora.com patch subject: [PATCH v5 32/34] drm/mediatek: Introduce HDMI/DDC v2 for MT8195/MT8188 config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20250118/202501180257.A2Og8gLK-lkp@xxxxxxxxx/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project c23f2417dc5f6dc371afb07af5627ec2a9d373a0) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250118/202501180257.A2Og8gLK-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/202501180257.A2Og8gLK-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/gpu/drm/mediatek/mtk_hdmi_v2.c:345:8: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 345 | val = FIELD_PREP(SD0_MAP, sd0) | FIELD_PREP(SD1_MAP, sd1); | ^ drivers/gpu/drm/mediatek/mtk_hdmi_v2.c:378:51: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 378 | regmap_update_bits(hdmi->regs, AIP_CTRL, I2S_EN, FIELD_PREP(I2S_EN, chnum)); | ^ drivers/gpu/drm/mediatek/mtk_hdmi_v2.c:410:13: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 410 | fifo_map = FIELD_PREP(FIFO0_MAP, 0) | FIELD_PREP(FIFO1_MAP, 1); | ^ drivers/gpu/drm/mediatek/mtk_hdmi_v2.c:477:53: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 477 | regmap_update_bits(hdmi->regs, AIP_CTRL, SPDIF_EN, FIELD_PREP(SPDIF_EN, spdif_i2s)); | ^ drivers/gpu/drm/mediatek/mtk_hdmi_v2.c:554:7: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 554 | FIELD_PREP(MAX_2UI_I2S_HI_WRITE, swapbit)); | ^ drivers/gpu/drm/mediatek/mtk_hdmi_v2.c:579:7: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 579 | FIELD_PREP(MAX_1UI_WRITE, 4)); | ^ drivers/gpu/drm/mediatek/mtk_hdmi_v2.c:715:7: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 715 | FIELD_PREP(TMDS_PACK_MODE, TMDS_PACK_MODE_8BPP)); | ^ >> drivers/gpu/drm/mediatek/mtk_hdmi_v2.c:812:16: error: call to undeclared function 'FIELD_GET'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 812 | hpd_pin_sta = FIELD_GET(HPD_PIN_STA, hpd_status); | ^ 8 errors generated. -- >> drivers/gpu/drm/mediatek/mtk_hdmi_ddc_v2.c:59:8: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 59 | FIELD_PREP(DDC_CTRL_CMD, DDC_CMD_CLOCK_SCL)); | ^ drivers/gpu/drm/mediatek/mtk_hdmi_ddc_v2.c:87:7: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 87 | FIELD_PREP(HPD_DDC_DELAY_CNT, DDC2_DLY_CNT)); | ^ drivers/gpu/drm/mediatek/mtk_hdmi_ddc_v2.c:133:7: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 133 | FIELD_PREP(DDC_CTRL_CMD, DDC_CMD_CLEAR_FIFO)); | ^ drivers/gpu/drm/mediatek/mtk_hdmi_ddc_v2.c:139:9: warning: comparison of distinct pointer types ('typeof ((loop_counter)) *' (aka 'unsigned short *') and 'uint64_t *' (aka 'unsigned long long *')) [-Wcompare-distinct-pointer-types] 139 | rem = do_div(loop_counter, temp_length); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/div64.h:183:28: note: expanded from macro 'do_div' 183 | (void)(((typeof((n)) *)0) == ((uint64_t *)0)); \ | ~~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~ >> drivers/gpu/drm/mediatek/mtk_hdmi_ddc_v2.c:139:9: error: incompatible pointer types passing 'u16 *' (aka 'unsigned short *') to parameter of type 'uint64_t *' (aka 'unsigned long long *') [-Werror,-Wincompatible-pointer-types] 139 | rem = do_div(loop_counter, temp_length); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/div64.h:199:22: note: expanded from macro 'do_div' 199 | __rem = __div64_32(&(n), __base); \ | ^~~~ include/asm-generic/div64.h:174:38: note: passing argument to parameter 'dividend' here 174 | extern uint32_t __div64_32(uint64_t *dividend, uint32_t divisor); | ^ >> drivers/gpu/drm/mediatek/mtk_hdmi_ddc_v2.c:207:26: error: call to undeclared function 'FIELD_GET'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 207 | puc_value[read_idx] = FIELD_GET(DDC_DATA_OUT, val); | ^ drivers/gpu/drm/mediatek/mtk_hdmi_ddc_v2.c:139:9: warning: shift count >= width of type [-Wshift-count-overflow] 139 | rem = do_div(loop_counter, temp_length); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/div64.h:195:25: note: expanded from macro 'do_div' 195 | } else if (likely(((n) >> 32) == 0)) { \ | ^ ~~ include/linux/compiler.h:76:40: note: expanded from macro 'likely' 76 | # define likely(x) __builtin_expect(!!(x), 1) | ^ 2 warnings and 5 errors generated. vim +/FIELD_PREP +345 drivers/gpu/drm/mediatek/mtk_hdmi_v2.c 333 334 static u32 mtk_hdmi_v2_aud_output_channel_map(u8 sd0, u8 sd1, u8 sd2, u8 sd3, 335 u8 sd4, u8 sd5, u8 sd6, u8 sd7) 336 { 337 u32 val; 338 339 /* 340 * Each of the Output Channels (0-7) can be mapped to get their input 341 * from any of the available Input Channels (0-7): this function 342 * takes input channel numbers and formats a value that must then 343 * be written to the TOP_AUD_MAP hardware register by the caller. 344 */ > 345 val = FIELD_PREP(SD0_MAP, sd0) | FIELD_PREP(SD1_MAP, sd1); 346 val |= FIELD_PREP(SD2_MAP, sd2) | FIELD_PREP(SD3_MAP, sd3); 347 val |= FIELD_PREP(SD4_MAP, sd4) | FIELD_PREP(SD5_MAP, sd5); 348 val |= FIELD_PREP(SD6_MAP, sd6) | FIELD_PREP(SD7_MAP, sd7); 349 350 return val; 351 } 352 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
