Hi Shengjiu, kernel test robot noticed the following build errors:
[auto build test ERROR on shawnguo/for-next] [also build test ERROR on robh/for-next tiwai-sound/for-next tiwai-sound/for-linus linus/master v6.16-rc7 next-20250725] [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/Shengjiu-Wang/dt-bindings-display-imx-add-HDMI-PAI-for-i-MX8MP/20250724-152710 base: https://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux.git for-next patch link: https://lore.kernel.org/r/20250724072248.1517569-6-shengjiu.wang%40nxp.com patch subject: [PATCH v2 5/6] drm/bridge: imx: add driver for HDMI TX Parallel Audio Interface config: nios2-randconfig-002-20250725 (https://download.01.org/0day-ci/archive/20250725/202507251859.rtsthw8u-...@intel.com/config) compiler: nios2-linux-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250725/202507251859.rtsthw8u-...@intel.com/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 <l...@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202507251859.rtsthw8u-...@intel.com/ All errors (new ones prefixed by >>): drivers/gpu/drm/bridge/imx/imx8mp-hdmi-pai.c: In function 'imx8mp_hdmi_pai_enable': >> drivers/gpu/drm/bridge/imx/imx8mp-hdmi-pai.c:20:26: error: implicit >> declaration of function 'FIELD_PREP' [-Werror=implicit-function-declaration] #define WTMK_HIGH(n) FIELD_PREP(WTMK_HIGH_MASK, (n)) ^~~~~~~~~~ drivers/gpu/drm/bridge/imx/imx8mp-hdmi-pai.c:53:9: note: in expansion of macro 'WTMK_HIGH' val = WTMK_HIGH(3) | WTMK_LOW(3); ^~~~~~~~~ >> drivers/gpu/drm/bridge/imx/imx8mp-hdmi-pai.c:59:9: error: implicit >> declaration of function 'FIELD_PREP_CONST'; did you mean 'FILE_REF_NOREF'? >> [-Werror=implicit-function-declaration] val = FIELD_PREP_CONST(P_SEL, ^~~~~~~~~~~~~~~~ FILE_REF_NOREF >> drivers/gpu/drm/bridge/imx/imx8mp-hdmi-pai.c:60:12: error: implicit >> declaration of function '__bf_shf'; did you mean '__ffs64'? >> [-Werror=implicit-function-declaration] __bf_shf(IEC958_SUBFRAME_PARITY)); ^~~~~~~~ __ffs64 cc1: some warnings being treated as errors vim +/FIELD_PREP +20 drivers/gpu/drm/bridge/imx/imx8mp-hdmi-pai.c 15 16 #define HTX_PAI_CTRL_EXT 0x04 17 #define WTMK_HIGH_MASK GENMASK(31, 24) 18 #define WTMK_LOW_MASK GENMASK(23, 16) 19 #define NUM_CH_MASK GENMASK(10, 8) > 20 #define WTMK_HIGH(n) FIELD_PREP(WTMK_HIGH_MASK, (n)) 21 #define WTMK_LOW(n) FIELD_PREP(WTMK_LOW_MASK, (n)) 22 23 #define HTX_PAI_FIELD_CTRL 0x08 24 #define B_FILT BIT(31) 25 #define PARITY_EN BIT(30) 26 #define END_SEL BIT(29) 27 #define PRE_SEL GENMASK(28, 24) 28 #define D_SEL GENMASK(23, 20) 29 #define V_SEL GENMASK(19, 15) 30 #define U_SEL GENMASK(14, 10) 31 #define C_SEL GENMASK(9, 5) 32 #define P_SEL GENMASK(4, 0) 33 34 #define HTX_PAI_STAT 0x0c 35 #define HTX_PAI_IRQ_NOMASK 0x10 36 #define HTX_PAI_IRQ_MASKED 0x14 37 #define HTX_PAI_IRQ_MASK 0x18 38 39 struct imx8mp_hdmi_pai { 40 struct device *dev; 41 struct regmap *regmap; 42 }; 43 44 static void imx8mp_hdmi_pai_enable(struct dw_hdmi *dw_hdmi, int channel, 45 int width, int rate, int non_pcm, 46 int iec958) 47 { 48 const struct dw_hdmi_plat_data *pdata = dw_hdmi_to_plat_data(dw_hdmi); 49 struct imx8mp_hdmi_pai *hdmi_pai = (struct imx8mp_hdmi_pai *)pdata->priv_audio; 50 int val; 51 52 /* PAI set control extended */ 53 val = WTMK_HIGH(3) | WTMK_LOW(3); 54 val |= FIELD_PREP(NUM_CH_MASK, channel - 1); 55 regmap_write(hdmi_pai->regmap, HTX_PAI_CTRL_EXT, val); 56 57 /* IEC60958 format */ 58 if (iec958) { > 59 val = FIELD_PREP_CONST(P_SEL, > 60 __bf_shf(IEC958_SUBFRAME_PARITY)); 61 val |= FIELD_PREP_CONST(C_SEL, 62 __bf_shf(IEC958_SUBFRAME_CHANNEL_STATUS)); 63 val |= FIELD_PREP_CONST(U_SEL, 64 __bf_shf(IEC958_SUBFRAME_USER_DATA)); 65 val |= FIELD_PREP_CONST(V_SEL, 66 __bf_shf(IEC958_SUBFRAME_VALIDITY)); 67 val |= FIELD_PREP_CONST(D_SEL, 68 __bf_shf(IEC958_SUBFRAME_SAMPLE_24_MASK)); 69 val |= FIELD_PREP_CONST(PRE_SEL, 70 __bf_shf(IEC958_SUBFRAME_PREAMBLE_MASK)); 71 } else { 72 /* PCM choose 24bit*/ 73 val = FIELD_PREP(D_SEL, width - 24); 74 } 75 76 regmap_write(hdmi_pai->regmap, HTX_PAI_FIELD_CTRL, val); 77 78 /* PAI start running */ 79 regmap_write(hdmi_pai->regmap, HTX_PAI_CTRL, ENABLE); 80 } 81 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki