Hi Francesco,
Thank you for the patch.
On Wed, Mar 22, 2023 at 03:38:21PM +0100, Francesco Dolcini wrote:
> From: Matheus Castello <matheus.castello@xxxxxxxxxxx>
>
> Returns EPROBE_DEFER when of_drm_find_bridge() fails, this is consistent
> with what all the other DRM bridge drivers are doing and this is
> required since the bridge might not be there when the driver is probed
> and this should not be a fatal failure.
>
> Cc: <stable@xxxxxxxxxxxxxxx>
> Fixes: 30e2ae943c26 ("drm/bridge: Introduce LT8912B DSI to HDMI bridge")
> Signed-off-by: Matheus Castello <matheus.castello@xxxxxxxxxxx>
> Signed-off-by: Francesco Dolcini <francesco.dolcini@xxxxxxxxxxx>
Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> ---
> v2: use dev_err_probe() instead of dev_dbg() (Laurent)
> ---
> drivers/gpu/drm/bridge/lontium-lt8912b.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/lontium-lt8912b.c b/drivers/gpu/drm/bridge/lontium-lt8912b.c
> index 2019a8167d69..b40baced1331 100644
> --- a/drivers/gpu/drm/bridge/lontium-lt8912b.c
> +++ b/drivers/gpu/drm/bridge/lontium-lt8912b.c
> @@ -676,8 +676,8 @@ static int lt8912_parse_dt(struct lt8912 *lt)
>
> lt->hdmi_port = of_drm_find_bridge(port_node);
> if (!lt->hdmi_port) {
> - dev_err(lt->dev, "%s: Failed to get hdmi port\n", __func__);
> - ret = -ENODEV;
> + ret = -EPROBE_DEFER;
> + dev_err_probe(lt->dev, ret, "%s: Failed to get hdmi port\n", __func__);
> goto err_free_host_node;
> }
>
--
Regards,
Laurent Pinchart
