At least a Realtek DP branch device with the

OUI 00-e0-4c dev-ID Dp1.4 HW-rev 1.0 SW-rev 131.1

device identification doesn't report detecting the FEC decoding start
symbol. Tune down the corresponding error to a debug message.

Signed-off-by: Imre Deak <imre.d...@intel.com>
---
 drivers/gpu/drm/i915/display/intel_ddi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c 
b/drivers/gpu/drm/i915/display/intel_ddi.c
index 0712a5200ad35..f70af660dfcfa 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -2257,8 +2257,8 @@ static void wait_for_fec_detected(struct drm_dp_aux *aux, 
bool enabled)
                return;
 
        if (err == -ETIMEDOUT)
-               drm_err(&i915->drm, "Timeout waiting for FEC %s to get 
detected\n",
-                       str_enabled_disabled(enabled));
+               drm_dbg_kms(&i915->drm, "Timeout waiting for FEC %s to get 
detected\n",
+                           str_enabled_disabled(enabled));
        else
                drm_dbg_kms(&i915->drm, "FEC detected status read error: %d\n", 
status);
 }
-- 
2.39.2

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