[PATCH v4, 24/33] drm/mediatek: distinguish ovl and ovl_2l by layer_nr

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From: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx>

distinguish ovl and ovl_2l by layer_nr when get comp
id

Signed-off-by: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx>
---
 drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
index 8ca4965..7e99827 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
@@ -326,7 +326,12 @@ static int mtk_disp_ovl_probe(struct platform_device *pdev)
 	if (irq < 0)
 		return irq;
 
-	comp_id = mtk_ddp_comp_get_id(dev->of_node, MTK_DISP_OVL);
+	priv->data = of_device_get_match_data(dev);
+
+	comp_id = mtk_ddp_comp_get_id(dev->of_node,
+				      priv->data->layer_nr == 4 ?
+				      MTK_DISP_OVL :
+				      MTK_DISP_OVL_2L);
 	if (comp_id < 0) {
 		dev_err(dev, "Failed to identify by alias: %d\n", comp_id);
 		return comp_id;
@@ -339,8 +344,6 @@ static int mtk_disp_ovl_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	priv->data = of_device_get_match_data(dev);
-
 	platform_set_drvdata(pdev, priv);
 
 	ret = devm_request_irq(dev, irq, mtk_disp_ovl_irq_handler,
-- 
1.8.1.1.dirty

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