On Mon, Jun 21, 2021 at 4:19 AM Marek Vasut <marex@xxxxxxx> wrote: > > Make sure the FIFO_CLEAR bit is latched in when configuring the > controller, so that the FIFO is really cleared. And then clear > the FIFO_CLEAR bit, since it is not self-clearing. > > Fixes: 45d59d704080 ("drm: Add new driver for MXSFB controller") > 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> > --- Reviewed-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> Tested-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> # i.Core MX8MM