On Thu, Nov 03, 2022 at 11:26:05AM +0800, Nancy.Lin wrote: [..] > --- /dev/null > +++ b/drivers/gpu/drm/mediatek/mtk_ethdr.h [..] > +void mtk_ethdr_unregister_vblank_cb(struct device *dev); > +void mtk_ethdr_enable_vblank(struct device *dev); > +void mtk_ethdr_disable_vblank(struct device *dev); > +#endif > + As warned by git when applying the patch, you have an extra new line at the end here. Applying: drm/mediatek: add ETHDR support for MT8195 .git/rebase-apply/patch:454: new blank line at EOF. + warning: 1 line adds whitespace errors.