Hi Sam, Thank you for the patch. On Sun, Aug 04, 2019 at 10:16:34PM +0200, Sam Ravnborg wrote: > There are no errors that can be reported by this function, > so drop the return code. > Fix the only bridge driver that checked the return result. > > Signed-off-by: Sam Ravnborg <sam@xxxxxxxxxxxx> > Cc: Thierry Reding <thierry.reding@xxxxxxxxx> > Cc: Sam Ravnborg <sam@xxxxxxxxxxxx> > Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx> > Cc: Maxime Ripard <maxime.ripard@xxxxxxxxxxx> > Cc: Sean Paul <sean@xxxxxxxxxx> > Cc: David Airlie <airlied@xxxxxxxx> > Cc: Daniel Vetter <daniel@xxxxxxxx> > Cc: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx> > Cc: Andrzej Hajda <a.hajda@xxxxxxxxxxx> > Cc: Gwan-gyeong Mun <gwan-gyeong.mun@xxxxxxxxx> > Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > Cc: Linus Walleij <linus.walleij@xxxxxxxxxx> Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > --- > drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 3 +-- > drivers/gpu/drm/drm_panel.c | 6 +----- > include/drm/drm_panel.h | 2 +- > 3 files changed, 3 insertions(+), 8 deletions(-) > > diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c > index f2f7f69d6cc3..22885dceaa17 100644 > --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c > +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c > @@ -1780,8 +1780,7 @@ void analogix_dp_unbind(struct analogix_dp_device *dp) > if (dp->plat_data->panel) { > if (drm_panel_unprepare(dp->plat_data->panel)) > DRM_ERROR("failed to turnoff the panel\n"); > - if (drm_panel_detach(dp->plat_data->panel)) > - DRM_ERROR("failed to detach the panel\n"); > + drm_panel_detach(dp->plat_data->panel); > } > > drm_dp_aux_unregister(&dp->aux); > diff --git a/drivers/gpu/drm/drm_panel.c b/drivers/gpu/drm/drm_panel.c > index 9946b8d9bacc..da19d5b4a2f4 100644 > --- a/drivers/gpu/drm/drm_panel.c > +++ b/drivers/gpu/drm/drm_panel.c > @@ -219,15 +219,11 @@ EXPORT_SYMBOL(drm_panel_attach); > * > * This function should not be called by the panel device itself. It > * is only for the drm device that called drm_panel_attach(). > - * > - * Return: 0 on success or a negative error code on failure. > */ > -int drm_panel_detach(struct drm_panel *panel) > +void drm_panel_detach(struct drm_panel *panel) > { > panel->connector = NULL; > panel->drm = NULL; > - > - return 0; > } > EXPORT_SYMBOL(drm_panel_detach); > > diff --git a/include/drm/drm_panel.h b/include/drm/drm_panel.h > index 5e62deea49ba..624bd15ecfab 100644 > --- a/include/drm/drm_panel.h > +++ b/include/drm/drm_panel.h > @@ -153,7 +153,7 @@ int drm_panel_add(struct drm_panel *panel); > void drm_panel_remove(struct drm_panel *panel); > > int drm_panel_attach(struct drm_panel *panel, struct drm_connector *connector); > -int drm_panel_detach(struct drm_panel *panel); > +void drm_panel_detach(struct drm_panel *panel); > > int drm_panel_prepare(struct drm_panel *panel); > int drm_panel_unprepare(struct drm_panel *panel); -- Regards, Laurent Pinchart