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| author |   Stu Hsieh <stu.hsieh@mediatek.com> | 2018-08-09 10:15:44 +0800 |
|---|---|---|
| committer |   CK Hu <ck.hu@mediatek.com> | 2018-08-27 11:24:36 +0800 |
| commit | 650afd49572b56a5c58134d4acfeb77acc69d622 (patch) | |
| tree | 8a40f71b232f676ece478d49bf99c9ade61ea14f /drivers/gpu/drm/mediatek | |
| parent | drm/mediatek: add YUYV/UYVY color format support for RDMA (diff) | |
| download | linux-dev-650afd49572b56a5c58134d4acfeb77acc69d622.tar.xz linux-dev-650afd49572b56a5c58134d4acfeb77acc69d622.zip | |
drm/mediatek: add function to get layer number for component
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>
Diffstat (limited to 'drivers/gpu/drm/mediatek')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 9 |
1 files changed, 9 insertions, 0 deletions
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) { |