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Subject[PATCH] drm/bridge: Ignore -EPROBE_DEFER when bridge attach fails
Date
Otherwise logs are filled with

[drm:drm_bridge_attach] *ERROR* failed to attach bridge /soc@0/bus@30800000/mipi-dsi@30a0 0000 to encoder None-34: -517

when the bridge isn't ready yet.

Fixes: fb8d617f8fd6 ("drm/bridge: Centralize error message when bridge attach fails")
Signed-off-by: Guido Günther <agx@sigxcpu.org>
---
drivers/gpu/drm/drm_bridge.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c
index a8ed66751c2d..f0508e85ae98 100644
--- a/drivers/gpu/drm/drm_bridge.c
+++ b/drivers/gpu/drm/drm_bridge.c
@@ -227,14 +227,15 @@ int drm_bridge_attach(struct drm_encoder *encoder, struct drm_bridge *bridge,
bridge->encoder = NULL;
list_del(&bridge->chain_node);

+ if (ret != -EPROBE_DEFER) {
#ifdef CONFIG_OF
- DRM_ERROR("failed to attach bridge %pOF to encoder %s: %d\n",
- bridge->of_node, encoder->name, ret);
+ DRM_ERROR("failed to attach bridge %pOF to encoder %s: %d\n",
+ bridge->of_node, encoder->name, ret);
#else
- DRM_ERROR("failed to attach bridge to encoder %s: %d\n",
- encoder->name, ret);
+ DRM_ERROR("failed to attach bridge to encoder %s: %d\n",
+ encoder->name, ret);
#endif
-
+ }
return ret;
}
EXPORT_SYMBOL(drm_bridge_attach);
--
2.33.0
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