[PATCH] drm/rockchip: analogix_dp: allow to work without panel

Lucas Stach l.stach at pengutronix.de
Fri Jun 21 20:17:55 UTC 2024


When the DP output is routed to a external connector there is no
need for a fixed panel, as the panel may be detected via EDID on
the AUX channel. Allow to continue probing if no panel reference
is present.

Signed-off-by: Lucas Stach <l.stach at pengutronix.de>
---
 drivers/gpu/drm/rockchip/analogix_dp-rockchip.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
index 7069a3d4d581..2030a4e8c1a5 100644
--- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
+++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
@@ -385,7 +385,7 @@ static int rockchip_dp_probe(struct platform_device *pdev)
 		return -ENODEV;
 
 	ret = drm_of_find_panel_or_bridge(dev->of_node, 1, 0, &panel, NULL);
-	if (ret < 0)
+	if (ret < 0 && ret != -ENODEV)
 		return ret;
 
 	dp = devm_kzalloc(dev, sizeof(*dp), GFP_KERNEL);
-- 
2.39.2



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