Patch "drm/bridge: lt9611: Don't log an error when DSI host can't be found" has been added to the 5.10-stable tree

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This is a note to let you know that I've just added the patch titled

    drm/bridge: lt9611: Don't log an error when DSI host can't be found

to the 5.10-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     drm-bridge-lt9611-don-t-log-an-error-when-dsi-host-c.patch
and it can be found in the queue-5.10 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit e7ae183db1aa275d39d0f65b004a1fe09b4d1cc1
Author: Nícolas F. R. A. Prado <nfraprado@xxxxxxxxxxxxx>
Date:   Mon Apr 15 17:49:32 2024 -0400

    drm/bridge: lt9611: Don't log an error when DSI host can't be found
    
    [ Upstream commit cd0a2c6a081ff67007323725b9ff07d9934b1ed8 ]
    
    Given that failing to find a DSI host causes the driver to defer probe,
    make use of dev_err_probe() to log the reason. This makes the defer
    probe reason available and avoids alerting userspace about something
    that is not necessarily an error.
    
    Fixes: 23278bf54afe ("drm/bridge: Introduce LT9611 DSI to HDMI bridge")
    Suggested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
    Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
    Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
    Signed-off-by: Nícolas F. R. A. Prado <nfraprado@xxxxxxxxxxxxx>
    Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
    Signed-off-by: Robert Foss <rfoss@xxxxxxxxxx>
    Link: https://patchwork.freedesktop.org/patch/msgid/20240415-anx7625-defer-log-no-dsi-host-v3-4-619a28148e5c@xxxxxxxxxxxxx
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/gpu/drm/bridge/lontium-lt9611.c b/drivers/gpu/drm/bridge/lontium-lt9611.c
index 660e05fa4a704..7f58ceda5b08a 100644
--- a/drivers/gpu/drm/bridge/lontium-lt9611.c
+++ b/drivers/gpu/drm/bridge/lontium-lt9611.c
@@ -766,10 +766,8 @@ static struct mipi_dsi_device *lt9611_attach_dsi(struct lt9611 *lt9611,
 	int ret;
 
 	host = of_find_mipi_dsi_host_by_node(dsi_node);
-	if (!host) {
-		dev_err(lt9611->dev, "failed to find dsi host\n");
-		return ERR_PTR(-EPROBE_DEFER);
-	}
+	if (!host)
+		return ERR_PTR(dev_err_probe(lt9611->dev, -EPROBE_DEFER, "failed to find dsi host\n"));
 
 	dsi = mipi_dsi_device_register_full(host, &info);
 	if (IS_ERR(dsi)) {




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