[PATCH] drm/i915: Tune down sink crc timeout dmesg output

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For whatever reasons this can happen. For real testcases the test will
notice the -EIO and fall over, but we also have some testcases that
just read all debugfs files. And that shouldn't cause dmesg spam.

So tune it down a bit so that we still have the information for
debugging. And change the errno so that real testcases can easily
differentiate.

Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=84890
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
---
 drivers/gpu/drm/i915/intel_dp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 45b53ff64552..9fb2a323e0e9 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -4052,8 +4052,8 @@ int intel_dp_sink_crc(struct intel_dp *intel_dp, u8 *crc)
 	} while (--attempts && (buf & DP_TEST_COUNT_MASK) == test_crc_count);
 
 	if (attempts == 0) {
-		DRM_ERROR("Panel is unable to calculate CRC after 6 vblanks\n");
-		return -EIO;
+		DRM_DEBUG_KMS("Panel is unable to calculate CRC after 6 vblanks\n");
+		return -ETIMEDOUT;
 	}
 
 	if (drm_dp_dpcd_read(&intel_dp->aux, DP_TEST_CRC_R_CR, crc, 6) < 0)
-- 
2.1.1

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