Re: [PATCH v2 10/15] drm/mediatek: add function to get layer number for component

From: CK Hu
Date: Fri Aug 03 2018 - 01:08:32 EST


Hi, Stu:

On Fri, 2018-08-03 at 11:11 +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 | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> index a1988ce15141..8377e4f9ce3d 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,
> @@ -129,6 +130,12 @@ 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);
> +}
> +
> static inline void mtk_ddp_comp_layer_on(struct mtk_ddp_comp *comp,
> unsigned int idx)
> {