drm/i915/dp: Ratelimit DP aux timeout messages



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>

parent d59b21ec

drivers/gpu/drm/i915/intel_dp.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -1121,7 +1121,8 @@ intel_dp_aux_ch(struct intel_dp *intel_dp,
		/* Timeouts occur when the device isn't connected, so they're
		* "normal" -- don't fill the kernel log with these */
		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;
		goto out;
		}