Re: [PATCH v18 07/10] drm/mediatek: add mediatek-drm of vdosys0 support for mt8195

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Hi "kernel test robot",

Thanks for the reviews.

On Thu, 2022-04-14 at 23:31 +0800, kernel test robot wrote:
> Hi "jason-jh.lin",
> 
> Thank you for the patch! Perhaps something to improve:
> 
> [auto build test WARNING on drm/drm-next]
> [also build test WARNING on robh/for-next krzk/for-next linus/master
> v5.18-rc2 next-20220414]
> [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://urldefense.com/v3/__https://git-scm.com/docs/git-format-patch__;!!CTRNKA9wMg0ARbw!1fp3H7fjidBzBzfT64rjyCv4-HN-czQi_52IEZTo18hsph4srdLAEfrGamKBaGS9DHJM$
>  ]
> 
> url:    
> https://urldefense.com/v3/__https://github.com/intel-lab-lkp/linux/commits/jason-jh-lin/Add-Mediatek-Soc-DRM-vdosys0-support-for-mt8195/20220412-183359__;!!CTRNKA9wMg0ARbw!1fp3H7fjidBzBzfT64rjyCv4-HN-czQi_52IEZTo18hsph4srdLAEfrGamKBaP5NY9rw$
>  
> base:   git://anongit.freedesktop.org/drm/drm drm-next
> config: arm64-buildonly-randconfig-r001-20220413 (
> https://urldefense.com/v3/__https://download.01.org/0day-ci/archive/20220414/202204142333.qXgcGMI1-lkp@xxxxxxxxx/config__;!!CTRNKA9wMg0ARbw!1fp3H7fjidBzBzfT64rjyCv4-HN-czQi_52IEZTo18hsph4srdLAEfrGamKBaMatHhNq$
>  )
> compiler: clang version 15.0.0 (
> https://urldefense.com/v3/__https://github.com/llvm/llvm-project__;!!CTRNKA9wMg0ARbw!1fp3H7fjidBzBzfT64rjyCv4-HN-czQi_52IEZTo18hsph4srdLAEfrGamKBaED4pz5K$
> $  6b7e6ea489f6dd45a9b0da9ac20871560917b9b0)
> reproduce (this is a W=1 build):
>         wget 
> https://urldefense.com/v3/__https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross__;!!CTRNKA9wMg0ARbw!1fp3H7fjidBzBzfT64rjyCv4-HN-czQi_52IEZTo18hsph4srdLAEfrGamKBaGF0WqUy$
>   -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # install arm64 cross compiling tool for clang build
>         # apt-get install binutils-aarch64-linux-gnu
>         # 
> https://urldefense.com/v3/__https://github.com/intel-lab-lkp/linux/commit/7c175317aa80bbc885609a730214448147a46b47__;!!CTRNKA9wMg0ARbw!1fp3H7fjidBzBzfT64rjyCv4-HN-czQi_52IEZTo18hsph4srdLAEfrGamKBaN_w7rr0$
>  
>         git remote add linux-review 
> https://urldefense.com/v3/__https://github.com/intel-lab-lkp/linux__;!!CTRNKA9wMg0ARbw!1fp3H7fjidBzBzfT64rjyCv4-HN-czQi_52IEZTo18hsph4srdLAEfrGamKBaMen_Lno$
>  
>         git fetch --no-tags linux-review jason-jh-lin/Add-Mediatek-
> Soc-DRM-vdosys0-support-for-mt8195/20220412-183359
>         git checkout 7c175317aa80bbc885609a730214448147a46b47
>         # save the config file to linux build tree
>         mkdir build_dir
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross
> W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/gpu/drm/mediatek/
> 
> 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_drm_drv.c:707:15: warning: cast to
> smaller integer type 'enum mtk_ddp_comp_type' from 'const void *' [-
> Wvoid-pointer-to-enum-cast]
>                    comp_type = (enum mtk_ddp_comp_type)of_id->data;
>                                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
I can't reproduce this build warning in my platform, but I'd found the 
same warning fixed patch: 20210928154620.11181-4-cgzones@xxxxxxxxxxxxxx

It should not be fixed at this series. So I'll fixed this warning in
another fixed patch.

> > > drivers/gpu/drm/mediatek/mtk_drm_drv.c:203:42: warning: unused
> > > variable 'mt2701_mmsys_match_data' [-Wunused-const-variable]
> 
>    static const struct mtk_mmsys_match_data mt2701_mmsys_match_data =
> {
>                                             ^
> > > drivers/gpu/drm/mediatek/mtk_drm_drv.c:218:42: warning: unused
> > > variable 'mt7623_mmsys_match_data' [-Wunused-const-variable]
> 
>    static const struct mtk_mmsys_match_data mt7623_mmsys_match_data =
> {
>                                             ^
> > > drivers/gpu/drm/mediatek/mtk_drm_drv.c:234:42: warning: unused
> > > variable 'mt2712_mmsys_match_data' [-Wunused-const-variable]
> 
>    static const struct mtk_mmsys_match_data mt2712_mmsys_match_data =
> {
>                                             ^
> > > drivers/gpu/drm/mediatek/mtk_drm_drv.c:246:42: warning: unused
> > > variable 'mt8167_mmsys_match_data' [-Wunused-const-variable]
> 
>    static const struct mtk_mmsys_match_data mt8167_mmsys_match_data =
> {
>                                             ^
> > > drivers/gpu/drm/mediatek/mtk_drm_drv.c:260:42: warning: unused
> > > variable 'mt8173_mmsys_match_data' [-Wunused-const-variable]
> 
>    static const struct mtk_mmsys_match_data mt8173_mmsys_match_data =
> {
>                                             ^
> > > drivers/gpu/drm/mediatek/mtk_drm_drv.c:274:42: warning: unused
> > > variable 'mt8183_mmsys_match_data' [-Wunused-const-variable]
> 
>    static const struct mtk_mmsys_match_data mt8183_mmsys_match_data =
> {
>                                             ^
> > > drivers/gpu/drm/mediatek/mtk_drm_drv.c:288:42: warning: unused
> > > variable 'mt8192_mmsys_match_data' [-Wunused-const-variable]
> 
>    static const struct mtk_mmsys_match_data mt8192_mmsys_match_data =
> {
>                                             ^
> > > drivers/gpu/drm/mediatek/mtk_drm_drv.c:305:42: warning: unused
> > > variable 'mt8195_mmsys_match_data' [-Wunused-const-variable]
> 
>    static const struct mtk_mmsys_match_data mt8195_mmsys_match_data =
> {

Oh, I forgot to replace the driver_data to match_data in mtk_drm_of_ids
table. I'll fix them at the next version.

Regards,
Jason-JH.Lin





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