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drm/mediatek: add function to get layer number for component

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This patch add function to get layer number for component

Signed-off-by: Stu Hsieh <stu.hsieh@mediatek.com>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
This commit is contained in:
Stu Hsieh 2018-08-09 10:15:44 +08:00 committed by CK Hu
parent 94420a63cf
commit 650afd4957
1 changed files with 9 additions and 0 deletions
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9
drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
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@ -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)
{