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.

Signed-off-by: Jason-JH.Lin <[email protected]>
Fixes: 453c3364632a ("drm/mediatek: Add ovl_adaptor support for MT8195")
Reported-by: kernel test robot <[email protected]>
Closes: 
https://lore.kernel.org/oe-kbuild-all/[email protected]/
---
 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..081f0e681092 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 = 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..4746cf95e0f2 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 = of_id->data;
 
                if (comp_type == MTK_DISP_MUTEX) {
                        int id;
-- 
2.18.0

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