<pre>
Hi, Jason:

On Wed, 2023-06-21 at 15:54 +0800, Jason-JH.Lin wrote:
> 1. Fix build warning message in mtk_disp_ovl_adaptor.c
> > > drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c:415:10:
>
> warning: cast to smaller integer type 'enum
> mtk_ovl_adaptor_comp_type'
> from 'const void *' [-Wvoid-pointer-to-enum-cast]
>
> type = (enum mtk_ovl_adaptor_comp_type)of_id->data;
>
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 1 warning generated.
>
> 2. Also fix the same warning message in mtk_drm_drv.c
> > > drivers/gpu/drm/mediatek/mtk_drm_drv.c:832:15:
>
> 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;
>
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 1 warning generated.

Reviewed-by: CK Hu <ck.hu@mediatek.com>

>
> Signed-off-by: Jason-JH.Lin <jason-jh.lin@mediatek.com>
> Fixes: 453c3364632a ("drm/mediatek: Add ovl_adaptor support for
> MT8195")
> Reported-by: kernel test robot <lkp@intel.com>
> Closes:
> https://lore.kernel.org/oe-kbuild-all/202305042054.ZtWME9OU-lkp@intel.com/
> ---
> V1 -> V2: Add casting to (uintprt_t) before casting from (void *) to
> (enum).
> ---
> drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c | 2 +-
> drivers/gpu/drm/mediatek/mtk_drm_drv.c | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c
> b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c
> index c0a38f5217ee..f2f6a5c01a6d 100644
> --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c
> +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c
> @@ -426,7 +426,7 @@ static int ovl_adaptor_comp_init(struct device
> *dev, struct component_match **ma
> continue;
> }
>
> -type = (enum mtk_ovl_adaptor_comp_type)of_id->data;
> +type = (enum
> mtk_ovl_adaptor_comp_type)(uintptr_t)of_id->data;
> id = ovl_adaptor_comp_get_id(dev, node, type);
> if (id < 0) {
> dev_warn(dev, "Skipping unknown component
> %pOF\n",
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> index 6dcb4ba2466c..80d3bcd315a9 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> @@ -829,7 +829,7 @@ static int mtk_drm_probe(struct platform_device
> *pdev)
> continue;
> }
>
> -comp_type = (enum mtk_ddp_comp_type)of_id->data;
> +comp_type = (enum mtk_ddp_comp_type)(uintptr_t)of_id-
> >data;
>
> if (comp_type == MTK_DISP_MUTEX) {
> int id;

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