Commit 1cbcb763 authored by Stu Hsieh's avatar Stu Hsieh Committed by CK Hu
Browse files

drm/mediatek: add function to return OVL layer number 



This patch add function to return OVL layer number

For now, MT8173, MT2712, MT2701 OVL all has 4 layer.

Signed-off-by: default avatarStu Hsieh <stu.hsieh@mediatek.com>
Signed-off-by: default avatarCK Hu <ck.hu@mediatek.com>
parent 650afd49

drivers/gpu/drm/mediatek/mtk_disp_ovl.c

+6 −0
Original line number Diff line number Diff line
@@ -132,6 +132,11 @@ static void mtk_ovl_config(struct mtk_ddp_comp *comp, unsigned int w, 
	writel(0x0, comp->regs + DISP_REG_OVL_RST);

}



static unsigned int mtk_ovl_layer_nr(struct mtk_ddp_comp *comp)

{

	return 4;

}



static void mtk_ovl_layer_on(struct mtk_ddp_comp *comp, unsigned int idx)

{

	unsigned int reg;
@@ -226,6 +231,7 @@ static const struct mtk_ddp_comp_funcs mtk_disp_ovl_funcs = { 
	.stop = mtk_ovl_stop,

	.enable_vblank = mtk_ovl_enable_vblank,

	.disable_vblank = mtk_ovl_disable_vblank,

	.layer_nr = mtk_ovl_layer_nr,

	.layer_on = mtk_ovl_layer_on,

	.layer_off = mtk_ovl_layer_off,

	.layer_config = mtk_ovl_layer_config,

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