On 11/03/2020 12:56, Enric Balletbo i Serra wrote: > In the actual implementation the same compatible string > "mediatek,<chip>-mmsys" is used to bind the clock drivers > (drivers/soc/mediatek) as well as to the gpu driver > (drivers/gpu/drm/mediatek/mtk_drm_drv.c). This ends with the problem > that the only probed driver is the clock driver and there is no display > at all. > > In any case having the same compatible string for two drivers is not > correct and should be fixed. To fix this, and maintain backward > compatibility, we can consider that the mmsys driver is the top-level > entry point for the multimedia subsystem, so is not a pure clock > controller but a system controller, and the drm driver is instantiated > by that MMSYS driver. > > Signed-off-by: Enric Balletbo i Serra <enric.balletbo@xxxxxxxxxxxxx> > Reviewed-by: CK Hu <ck.hu@xxxxxxxxxxxx> Same here.