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Subject[superna9999:amlogic/v5.20/g12-dsi-wip 9/12] drivers/gpu/drm/meson/meson_venc.c:1595:24: error: implicit declaration of function 'FIELD_PREP'
tree:   https://github.com/superna9999/linux amlogic/v5.20/g12-dsi-wip
head: 0e725ea0a5ab9f70fc54c2e76475b8d594b90c4e
commit: 927953782b0c6c12a73654c526a12678e348f817 [9/12] drm/meson: venc: add ENCL encoder setup for MIPI-DSI output
config: arm-allmodconfig (https://download.01.org/0day-ci/archive/20220618/202206180526.1HnD8Zji-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 11.3.0
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/superna9999/linux/commit/927953782b0c6c12a73654c526a12678e348f817
git remote add superna9999 https://github.com/superna9999/linux
git fetch --no-tags superna9999 amlogic/v5.20/g12-dsi-wip
git checkout 927953782b0c6c12a73654c526a12678e348f817
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/gpu/drm/meson/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

In file included from include/linux/byteorder/little_endian.h:5,
from arch/arm/include/uapi/asm/byteorder.h:22,
from include/asm-generic/bitops/le.h:6,
from arch/arm/include/asm/bitops.h:267,
from include/linux/bitops.h:33,
from include/linux/kernel.h:22,
from include/linux/iopoll.h:9,
from drivers/gpu/drm/meson/meson_venc.c:9:
drivers/gpu/drm/meson/meson_venc.c: In function 'meson_encl_set_gamma_table':
>> drivers/gpu/drm/meson/meson_venc.c:1595:24: error: implicit declaration of function 'FIELD_PREP' [-Werror=implicit-function-declaration]
1595 | FIELD_PREP(L_GAMMA_ADDR_PORT_ADDR, 0),
| ^~~~~~~~~~
include/uapi/linux/byteorder/little_endian.h:34:51: note: in definition of macro '__cpu_to_le32'
34 | #define __cpu_to_le32(x) ((__force __le32)(__u32)(x))
| ^
drivers/gpu/drm/meson/meson_venc.c:1594:9: note: in expansion of macro 'writel_relaxed'
1594 | writel_relaxed(L_GAMMA_ADDR_PORT_AUTO_INC | rgb_mask |
| ^~~~~~~~~~~~~~
cc1: some warnings being treated as errors


vim +/FIELD_PREP +1595 drivers/gpu/drm/meson/meson_venc.c

1579
1580 static void meson_encl_set_gamma_table(struct meson_drm *priv, u16 *data,
1581 u32 rgb_mask)
1582 {
1583 int i, ret;
1584 u32 reg;
1585
1586 writel_bits_relaxed(L_GAMMA_CNTL_PORT_EN, 0,
1587 priv->io_base + _REG(L_GAMMA_CNTL_PORT));
1588
1589 ret = readl_relaxed_poll_timeout(priv->io_base + _REG(L_GAMMA_CNTL_PORT),
1590 reg, reg & L_GAMMA_CNTL_PORT_ADR_RDY, 10, 10000);
1591 if (ret)
1592 pr_warn("%s: GAMMA ADR_RDY timeout\n", __func__);
1593
1594 writel_relaxed(L_GAMMA_ADDR_PORT_AUTO_INC | rgb_mask |
> 1595 FIELD_PREP(L_GAMMA_ADDR_PORT_ADDR, 0),
1596 priv->io_base + _REG(L_GAMMA_ADDR_PORT));
1597
1598 for (i = 0; i < 256; i++) {
1599 ret = readl_relaxed_poll_timeout(priv->io_base + _REG(L_GAMMA_CNTL_PORT),
1600 reg, reg & L_GAMMA_CNTL_PORT_WR_RDY,
1601 10, 10000);
1602 if (ret)
1603 pr_warn_once("%s: GAMMA WR_RDY timeout\n", __func__);
1604
1605 writel_relaxed(data[i], priv->io_base + _REG(L_GAMMA_DATA_PORT));
1606 }
1607
1608 ret = readl_relaxed_poll_timeout(priv->io_base + _REG(L_GAMMA_CNTL_PORT),
1609 reg, reg & L_GAMMA_CNTL_PORT_ADR_RDY, 10, 10000);
1610 if (ret)
1611 pr_warn("%s: GAMMA ADR_RDY timeout\n", __func__);
1612
1613 writel_relaxed(L_GAMMA_ADDR_PORT_AUTO_INC | rgb_mask |
1614 FIELD_PREP(L_GAMMA_ADDR_PORT_ADDR, 0x23),
1615 priv->io_base + _REG(L_GAMMA_ADDR_PORT));
1616 }
1617

--
0-DAY CI Kernel Test Service
https://01.org/lkp

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