Re: [PATCH] drm: rcar-du: switch to devm_drm_of_get_bridge

From: Laurent Pinchart
Date: Mon Feb 21 2022 - 07:19:57 EST


On Mon, Feb 21, 2022 at 09:56:19AM +0100, Maxime Ripard wrote:
> On Mon, Feb 21, 2022 at 08:37:57AM +0100, José Expósito wrote:
> > The function "drm_of_find_panel_or_bridge" has been deprecated in
> > favor of "devm_drm_of_get_bridge".
> >
> > Switch to the new function and reduce boilerplate.
> >
> > Signed-off-by: José Expósito <jose.exposito89@xxxxxxxxx>
> > ---
> > drivers/gpu/drm/rcar-du/rcar_lvds.c | 16 +++++-----------
> > 1 file changed, 5 insertions(+), 11 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/rcar-du/rcar_lvds.c b/drivers/gpu/drm/rcar-du/rcar_lvds.c
> > index 72a272cfc11e..99b0febc56d1 100644
> > --- a/drivers/gpu/drm/rcar-du/rcar_lvds.c
> > +++ b/drivers/gpu/drm/rcar-du/rcar_lvds.c
> > @@ -712,18 +712,12 @@ static int rcar_lvds_parse_dt(struct rcar_lvds *lvds)
> > {
> > int ret;
> >
> > - ret = drm_of_find_panel_or_bridge(lvds->dev->of_node, 1, 0,
> > - &lvds->panel, &lvds->next_bridge);
>
> I guess lvds->panel can be removed from the rcar_lvds struct as well?

It's used in rcar_lvds_get_lvds_mode() though, so this patch introduces
a regression.

--
Regards,

Laurent Pinchart