drm/medaitek: add layer_nr for ovl private data

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>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
This commit is contained in:
Yongqiang Niu 2019-08-29 22:50:41 +08:00 committed by CK Hu
parent d5abb5f214
commit 0a5ccda420

View File

@ -52,6 +52,7 @@
struct mtk_disp_ovl_data {
unsigned int addr;
unsigned int gmc_bits;
unsigned int layer_nr;
bool fmt_rgb565_is_0;
};
@ -129,7 +130,9 @@ 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)
@ -334,12 +337,14 @@ 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,
};