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Subject[PATCH v2 12/15] drm/mediatek: add callback function to return RDMA layer number
Date
This patch add callback function to return RDMA layer number

Signed-off-by: Stu Hsieh <stu.hsieh@mediatek.com>
---
drivers/gpu/drm/mediatek/mtk_disp_rdma.c | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
index b728f0f42611..8c145a87c9e5 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
@@ -60,6 +60,7 @@

struct mtk_disp_rdma_data {
unsigned int fifo_size;
+ unsigned int layer_nr;
};

/**
@@ -194,6 +195,13 @@ static unsigned int rdma_fmt_convert(struct mtk_disp_rdma *rdma,
}
}

+static unsigned int mtk_rdma_layer_nr(struct mtk_ddp_comp *comp)
+{
+ struct mtk_disp_rdma *rdma = comp_to_rdma(comp);
+
+ return rdma->data->layer_nr;
+}
+
static void mtk_rdma_layer_config(struct mtk_ddp_comp *comp, unsigned int idx,
struct mtk_plane_state *state)
{
@@ -227,6 +235,7 @@ static const struct mtk_ddp_comp_funcs mtk_disp_rdma_funcs = {
.stop = mtk_rdma_stop,
.enable_vblank = mtk_rdma_enable_vblank,
.disable_vblank = mtk_rdma_disable_vblank,
+ .layer_nr = mtk_rdma_layer_nr,
.layer_config = mtk_rdma_layer_config,
};

@@ -329,6 +338,7 @@ static const struct mtk_disp_rdma_data mt2701_rdma_driver_data = {

static const struct mtk_disp_rdma_data mt8173_rdma_driver_data = {
.fifo_size = SZ_8K,
+ .layer_nr = 1,
};

static const struct of_device_id mtk_disp_rdma_driver_dt_match[] = {
--
2.12.5.2.gbdf23ab
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