[PATCH] drm: mxsfb: Disable overlay plane support for i.MX8MM/i.MX8MN

[Marek Vasut]

The iMX8MM and iMX8MN do not support the overlay plane, so they
are MXSFB V4. Add the compatible strings to reflect this. Note
that iMX8MQ does support the overlay plane, so it is MXSFB V6.

Signed-off-by: Marek Vasut <marex at denx.de>
Cc: Daniel Abrecht <public at danielabrecht.ch>
Cc: Emil Velikov <emil.l.velikov at gmail.com>
Cc: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
Cc: Lucas Stach <l.stach at pengutronix.de>
Cc: Stefan Agner <stefan at agner.ch>
---
 drivers/gpu/drm/mxsfb/mxsfb_drv.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/mxsfb/mxsfb_drv.c b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
index c277d3f61a5e..0ae4a3553304 100644
--- a/drivers/gpu/drm/mxsfb/mxsfb_drv.c
+++ b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
@@ -308,6 +308,8 @@ static const struct of_device_id mxsfb_dt_ids[] = {
 	{ .compatible = "fsl,imx23-lcdif", .data = &mxsfb_devdata[MXSFB_V3], },
 	{ .compatible = "fsl,imx28-lcdif", .data = &mxsfb_devdata[MXSFB_V4], },
 	{ .compatible = "fsl,imx6sx-lcdif", .data = &mxsfb_devdata[MXSFB_V6], },
+	{ .compatible = "fsl,imx8mm-lcdif", .data = &mxsfb_devdata[MXSFB_V4], },
+	{ .compatible = "fsl,imx8mn-lcdif", .data = &mxsfb_devdata[MXSFB_V4], },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, mxsfb_dt_ids);
-- 
2.30.2