diff mbox series

drm: rcar-du: switch to devm_drm_of_get_bridge

Message ID 20220221073757.12181-1-jose.exposito89@gmail.com (mailing list archive)
State New, archived
Headers show
Series drm: rcar-du: switch to devm_drm_of_get_bridge | expand

Commit Message

José Expósito Feb. 21, 2022, 7:37 a.m. UTC
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@gmail.com>
---
 drivers/gpu/drm/rcar-du/rcar_lvds.c | 16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)

Comments

Maxime Ripard Feb. 21, 2022, 8:56 a.m. UTC | #1
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@gmail.com>
> ---
>  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?

Maxime
Laurent Pinchart Feb. 21, 2022, 12:15 p.m. UTC | #2
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@gmail.com>
> > ---
> >  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.
José Expósito Feb. 28, 2022, 6:04 p.m. UTC | #3
On Mon, Feb 21, 2022 at 02:15:01PM +0200, Laurent Pinchart wrote:
> On Mon, Feb 21, 2022 at 09:56:19AM +0100, Maxime Ripard wrote:
> > 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.

True, my bad. Sorry about that.
diff mbox series

Patch

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);
-	if (ret)
+	lvds->next_bridge = devm_drm_of_get_bridge(lvds->dev,
+						   lvds->dev->of_node,
+						   1, 0);
+	if (IS_ERR(lvds->next_bridge)) {
+		ret = -EINVAL;
 		goto done;
-
-	if (lvds->panel) {
-		lvds->next_bridge = devm_drm_panel_bridge_add(lvds->dev,
-							      lvds->panel);
-		if (IS_ERR_OR_NULL(lvds->next_bridge)) {
-			ret = -EINVAL;
-			goto done;
-		}
 	}
 
 	if (lvds->info->quirks & RCAR_LVDS_QUIRK_DUAL_LINK)