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
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