Hi, Stu: On Mon, 2018-08-06 at 19:58 +0800, Stu Hsieh wrote: > This patch add function to get layer number for component > > Signed-off-by: Stu Hsieh <stu.hsieh@xxxxxxxxxxxx> Reviewed-by: CK Hu <ck.hu@xxxxxxxxxxxx> > --- > drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h > index 7413ffeb3c9d..8399229e6ad2 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h > +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h > @@ -78,6 +78,7 @@ struct mtk_ddp_comp_funcs { > void (*stop)(struct mtk_ddp_comp *comp); > void (*enable_vblank)(struct mtk_ddp_comp *comp, struct drm_crtc *crtc); > void (*disable_vblank)(struct mtk_ddp_comp *comp); > + unsigned int (*layer_nr)(struct mtk_ddp_comp *comp); > void (*layer_on)(struct mtk_ddp_comp *comp, unsigned int idx); > void (*layer_off)(struct mtk_ddp_comp *comp, unsigned int idx); > void (*layer_config)(struct mtk_ddp_comp *comp, unsigned int idx, > @@ -128,6 +129,14 @@ static inline void mtk_ddp_comp_disable_vblank(struct mtk_ddp_comp *comp) > comp->funcs->disable_vblank(comp); > } > > +static inline unsigned int mtk_ddp_comp_layer_nr(struct mtk_ddp_comp *comp) > +{ > + if (comp->funcs && comp->funcs->layer_nr) > + return comp->funcs->layer_nr(comp); > + > + return 0; > +} > + > static inline void mtk_ddp_comp_layer_on(struct mtk_ddp_comp *comp, > unsigned int idx) > { _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel