Hi Tomi
Looks good. Thanks! Tested both on Verdin AM62 as well as on Verdin iMX8M Mini.
Just a minor nit-pick in your commit message.
On Fri, 2023-08-04 at 13:48 +0300, Tomi Valkeinen wrote:
> lt8912b only calls drm_bridge_hpd_enable() if it creates a connector and
> the next bridge has DRM_BRIDGE_OP_HPD set. However, when calling
> drm_bridge_hpd_disable() it misses checking if a connector was created,
> calling drm_bridge_hpd_disable() even if HPD was nenver enabled. I don't
was never enabled
> see any issues causing by this wrong call, though.
any issues caused by this wrong call
> Add the check to avoid wrongly calling drm_bridge_hpd_disable().
>
> Fixes: 3b0a01a6a522 ("drm/bridge: lt8912b: Add hot plug detection")
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxxxxxxxxxxxx>
For the whole series:
Tested-by: Marcel Ziswiler <marcel.ziswiler@xxxxxxxxxxx>
> ---
> drivers/gpu/drm/bridge/lontium-lt8912b.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/bridge/lontium-lt8912b.c b/drivers/gpu/drm/bridge/lontium-lt8912b.c
> index 2d752e083433..9ee639e75a1c 100644
> --- a/drivers/gpu/drm/bridge/lontium-lt8912b.c
> +++ b/drivers/gpu/drm/bridge/lontium-lt8912b.c
> @@ -587,7 +587,7 @@ static void lt8912_bridge_detach(struct drm_bridge *bridge)
>
> lt8912_hard_power_off(lt);
>
> - if (lt->hdmi_port->ops & DRM_BRIDGE_OP_HPD)
> + if (lt->connector.dev && lt->hdmi_port->ops & DRM_BRIDGE_OP_HPD)
> drm_bridge_hpd_disable(lt->hdmi_port);
> }
Cheers
Marcel
