Re: [PATCH 2/3] drm/mediatek: mtk_dpi: Add dpi config for mt8192

From: kernel test robot
Date: Sun Feb 07 2021 - 10:10:41 EST


Hi Jitao,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on robh/for-next]
[also build test WARNING on linux/master linus/master v5.11-rc6 next-20210125]
[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]

url: https://github.com/0day-ci/linux/commits/Jitao-Shi/Add-check-for-max-clock-rate-in-mode_valid/20210207-210121
base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
config: arm64-allyesconfig (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
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/0day-ci/linux/commit/094ecc22dd2d9bfee293b97b33ba267a861ee301
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Jitao-Shi/Add-check-for-max-clock-rate-in-mode_valid/20210207-210121
git checkout 094ecc22dd2d9bfee293b97b33ba267a861ee301
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

drivers/gpu/drm/mediatek/mtk_dpi.c:574:16: error: initialization of 'enum drm_mode_status (*)(struct drm_bridge *, const struct drm_display_info *, const struct drm_display_mode *)' from incompatible pointer type 'enum drm_mode_status (*)(struct drm_bridge *, const struct drm_display_mode *)' [-Werror=incompatible-pointer-types]
574 | .mode_valid = mtk_dpi_bridge_mode_valid,
| ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/mediatek/mtk_dpi.c:574:16: note: (near initialization for 'mtk_dpi_bridge_funcs.mode_valid')
drivers/gpu/drm/mediatek/mtk_dpi.c:709:3: error: 'const struct mtk_dpi_conf' has no member named 'dual_edge'
709 | .dual_edge = true,
| ^~~~~~~~~
>> drivers/gpu/drm/mediatek/mtk_dpi.c:710:19: warning: initialized field overwritten [-Woverride-init]
710 | .max_clock_khz = 150000,
| ^~~~~~
drivers/gpu/drm/mediatek/mtk_dpi.c:710:19: note: (near initialization for 'mt8192_conf.max_clock_khz')
cc1: some warnings being treated as errors


vim +710 drivers/gpu/drm/mediatek/mtk_dpi.c

705
706 static const struct mtk_dpi_conf mt8192_conf = {
707 .cal_factor = mt8183_calculate_factor,
708 .reg_h_fre_con = 0xe0,
709 .dual_edge = true,
> 710 .max_clock_khz = 150000,
711 };
712

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

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