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

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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@xxxxxxx>
Cc: Daniel Abrecht <public@xxxxxxxxxxxxxxxx>
Cc: Emil Velikov <emil.l.velikov@xxxxxxxxx>
Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Cc: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
Cc: Stefan Agner <stefan@xxxxxxxx>
---
 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




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