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drm/i915/dp: Ratelimit DP aux timeout messages

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Right now this is just leaving a lot of spam in dmesg that makes real
issues more difficult to debug. As well (as noted by the comment right
above the DRM_DEBUG_KMS() call) this is normal behavior when there's
nothing connected to the DisplayPort connector.

Signed-off-by: Lyude <lyude@redhat.com>
This commit is contained in:
Lyude 2017-02-22 22:31:02 -05:00
parent d59b21ec6f
commit 7ee686034b
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/i915/intel_dp.c
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@ -1121,7 +1121,8 @@ done:
/* Timeouts occur when the device isn't connected, so they're /* Timeouts occur when the device isn't connected, so they're
* "normal" -- don't fill the kernel log with these */ * "normal" -- don't fill the kernel log with these */
if (status & DP_AUX_CH_CTL_TIME_OUT_ERROR) { if (status & DP_AUX_CH_CTL_TIME_OUT_ERROR) {
DRM_DEBUG_KMS("dp_aux_ch timeout status 0x%08x\n", status); DRM_DEBUG_KMS_RATELIMITED("dp_aux_ch timeout status 0x%08x\n",
status);
ret = -ETIMEDOUT; ret = -ETIMEDOUT;
goto out; goto out;
} }