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drm/mediatek: Add plumbing for layer_check hook

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This allows components to implement a .layer_check callback for their
layers which is called during atomic_check.

Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
This commit is contained in:
Sean Paul
2019-11-05 16:10:20 -05:00
committed by CK Hu
parent d6b53f6835
commit f7c710d1e4
4 changed files with 30 additions and 0 deletions
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12
drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
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@@ -80,6 +80,9 @@ struct mtk_ddp_comp_funcs {
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);
int (*layer_check)(struct mtk_ddp_comp *comp,
unsigned int idx,
struct mtk_plane_state *state);
void (*layer_config)(struct mtk_ddp_comp *comp, unsigned int idx,
struct mtk_plane_state *state);
void (*gamma_set)(struct mtk_ddp_comp *comp,
@@ -152,6 +155,15 @@ static inline void mtk_ddp_comp_layer_off(struct mtk_ddp_comp *comp,
comp->funcs->layer_off(comp, idx);
}
static inline int mtk_ddp_comp_layer_check(struct mtk_ddp_comp *comp,
unsigned int idx,
struct mtk_plane_state *state)
{
if (comp->funcs && comp->funcs->layer_check)
return comp->funcs->layer_check(comp, idx, state);
return 0;
}
static inline void mtk_ddp_comp_layer_config(struct mtk_ddp_comp *comp,
unsigned int idx,
struct mtk_plane_state *state)