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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@intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=84890
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
This commit is contained in:
Daniel Vetter 2014-11-19 11:18:47 +01:00
parent 672e7b7c18
commit 90bd1f46ca
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/i915/intel_dp.c
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@ -3693,8 +3693,8 @@ 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)