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drm/bridge: Silence error messages upon probe deferral

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When -EPROBE_DEFER is returned do not raise an error, but silently return
this error instead. Fixes error like this:
[drm:drm_bridge_attach] *ERROR* failed to attach bridge
  /soc@0/bus@30800000/mipi-dsi@30a00000 to encoder None-34: -517
[drm:drm_bridge_attach] *ERROR* failed to attach bridge
  /soc@0/bus@30800000/mipi-dsi@30a00000 to encoder None-34: -517

Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Robert Foss <rfoss@kernel.org>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240703122715.4004765-1-alexander.stein@ew.tq-group.com
This commit is contained in:
Alexander Stein 2024-07-03 14:27:15 +02:00 committed by Robert Foss
parent e1a261ba59
commit bc657615e1
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GPG Key ID: 3EFD900F76D1D784
1 changed files with 7 additions and 2 deletions
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9
drivers/gpu/drm/drm_bridge.c
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@ -353,8 +353,13 @@ err_reset_bridge:
bridge->encoder = NULL;
list_del(&bridge->chain_node);
DRM_ERROR("failed to attach bridge %pOF to encoder %s: %d\n",
bridge->of_node, encoder->name, ret);
if (ret != -EPROBE_DEFER)
DRM_ERROR("failed to attach bridge %pOF to encoder %s: %d\n",
bridge->of_node, encoder->name, ret);
else
dev_err_probe(encoder->dev->dev, -EPROBE_DEFER,
"failed to attach bridge %pOF to encoder %s\n",
bridge->of_node, encoder->name);
return ret;
}