Hi, Yongqiang: On Wed, 2019-03-27 at 14:19 +0800, yongqiang.niu@xxxxxxxxxxxx wrote: > From: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx> > > This patch add function to background color input select for ovl/ovl_2l direct link > for ovl/ovl_2l direct link usecase, we need set background color > input select for these hardware. > this is preparation patch for ovl/ovl_2l usecase > > Signed-off-by: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx> > --- > drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 16 ++++++++++++++++ > 1 file changed, 16 insertions(+) > > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h > index b76b663..20e8061 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h > +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h > @@ -92,6 +92,9 @@ struct mtk_ddp_comp_funcs { > struct mtk_plane_state *state); > void (*gamma_set)(struct mtk_ddp_comp *comp, > struct drm_crtc_state *state); > + void (*bgclr_in_on)(struct mtk_ddp_comp *comp, > + enum mtk_ddp_comp_id prev); > + void (*bgclr_in_off)(struct mtk_ddp_comp *comp); > }; > > struct mtk_ddp_comp { > @@ -173,6 +176,19 @@ static inline void mtk_ddp_gamma_set(struct mtk_ddp_comp *comp, > comp->funcs->gamma_set(comp, state); > } > > +static inline void mtk_ddp_comp_bgclr_in_on(struct mtk_ddp_comp *comp, > + enum mtk_ddp_comp_id prev) > +{ > + if (comp->funcs && comp->funcs->bgclr_in_on) > + comp->funcs->bgclr_in_on(comp, prev); > +} > + > +static inline void mtk_ddp_comp_bgclr_in_off(struct mtk_ddp_comp *comp) > +{ > + if (comp->funcs && comp->funcs->bgclr_in_off) > + comp->funcs->bgclr_in_off(comp); I think you should use a 'tab' to replace 8 white space. Regards, CK > +} > + > int mtk_ddp_comp_get_id(struct device_node *node, > enum mtk_ddp_comp_type comp_type); > int mtk_ddp_comp_init(struct device *dev, struct device_node *comp_node,