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@toradex.com

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@vger.kernel.org Fixes: 30e2ae943c26 ("drm/bridge: Introduce LT8912B DSI to HDMI bridge") Signed-off-by: Matheus Castello matheus.castello@toradex.com Signed-off-by: Francesco Dolcini francesco.dolcini@toradex.com

Reviewed-by: Laurent Pinchart laurent.pinchart@ideasonboard.com

---

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; }