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authorSean Paul <seanpaul@chromium.org>2019-11-05 22:10:20 +0100
committerCK Hu <ck.hu@mediatek.com>2019-11-06 09:00:44 +0100
commitf7c710d1e48414b16e5b1b64e2940606148123a7 (patch)
tree2d3dbb672d18e3f9fa98668f67d0388230709285 /drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
parentdrm/mediatek: Add helper to get component for a plane (diff)
downloadlinux-f7c710d1e48414b16e5b1b64e2940606148123a7.tar.xz
linux-f7c710d1e48414b16e5b1b64e2940606148123a7.zip
drm/mediatek: Add plumbing for layer_check hook
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>
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h')
-rw-r--r--drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h12
1 files changed, 12 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 26441f4d1ad3..3de371e28bdf 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
@@ -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)