[PATCH v2 14/25] drm/medaitek: add layer_nr for ovl private data

yongqiang.niu
2019-03-27T06:21:55Z

From: Yongqiang Niu <yongqiang.niu@mediatek.com>

This patch add layer_nr for ovl private data
ovl_2l almost same with with ovl hardware, except the
layer number for ovl_2l is 2 and ovl is 4.
this patch is a preparation for ovl-2l and
ovl share the same driver.

Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
---
drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
index afb313c..a0ab760 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
@@ -60,6 +60,7 @@
struct mtk_disp_ovl_data {
unsigned int addr;
unsigned int gmc_bits;
+ unsigned int layer_nr;
bool fmt_rgb565_is_0;
};

@@ -137,7 +138,9 @@ static void mtk_ovl_config(struct mtk_ddp_comp *comp, unsigned int w,

static unsigned int mtk_ovl_layer_nr(struct mtk_ddp_comp *comp)
{
- return 4;
+ struct mtk_disp_ovl *ovl = comp_to_ovl(comp);
+
+ return ovl->data->layer_nr;
}

static void mtk_ovl_layer_on(struct mtk_ddp_comp *comp, unsigned int idx)
@@ -342,12 +345,14 @@ static int mtk_disp_ovl_remove(struct platform_device *pdev)
static const struct mtk_disp_ovl_data mt2701_ovl_driver_data = {
.addr = DISP_REG_OVL_ADDR_MT2701,
.gmc_bits = 8,
+ .layer_nr = 4,
.fmt_rgb565_is_0 = false,
};

static const struct mtk_disp_ovl_data mt8173_ovl_driver_data = {
.addr = DISP_REG_OVL_ADDR_MT8173,
.gmc_bits = 8,
+ .layer_nr = 4,
.fmt_rgb565_is_0 = true,
};

--
1.8.1.1.dirty