The single LCDIF embedded in i.MX93 SoC may drive multiple displays
simultaneously. Check bus format and flags across first bridges in
->atomic_check() to ensure they are consistent. This is a preparation
for adding i.MX93 LCDIF support.
Acked-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>
Tested-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>
Signed-off-by: Liu Ying <victor.liu@xxxxxxx>