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

[Marek Vasut]

On 6/21/21 2:10 PM, Lucas Stach wrote:
> Am Montag, dem 21.06.2021 um 00:48 +0200 schrieb 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.
> 
> Do we need this compatible in the driver? If there are no other changes
> known at this time, shouldn't we be able to just specify "fsl,imx28-
> lcdif" as the fallback compatible in the DT, besides the imx8m*
> specific ones?

Yes, we should discard this patch and use the fallback compatible, 
although it is quite counter-intuitive.