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authorStu Hsieh <stu.hsieh@mediatek.com>2018-08-09 10:15:45 +0800
committerManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>2018-09-03 15:20:00 +0530
commitb400119a7f73670d1e2a8e32a236a5ce926f6334 (patch)
treebf7f9575b2a67d7ae2696ba4926e35e6e070dc05
parent9e534d939ef0f8865887ff422cb031489f091e5a (diff)
download96b-common-b400119a7f73670d1e2a8e32a236a5ce926f6334.tar.gz
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: Stu Hsieh <stu.hsieh@mediatek.com> Signed-off-by: CK Hu <ck.hu@mediatek.com>
-rw-r--r--drivers/gpu/drm/mediatek/mtk_disp_ovl.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
index 0facd823c552..28d191192945 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
@@ -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,