Hi, Yongqiang: On Tue, 2019-07-09 at 06:34 +0800, yongqiang.niu@xxxxxxxxxxxx wrote: > From: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx> > > distinguish ovl and ovl_2l by layer_nr when get comp > id > Reviewed-by: CK Hu <ck.hu@xxxxxxxxxxxx> > 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,