drm/i915: Spam less on dp aux send/receive problems
authorMika Kuoppala <mika.kuoppala@linux.intel.com>
Thu, 6 Aug 2015 13:48:58 +0000 (16:48 +0300)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Fri, 14 Aug 2015 15:50:37 +0000 (17:50 +0200)
commit02196c776ec67e05d3003926ba648bd2eab20e29
tree8ab4e3ae1145cce1385cd8d6b43a954c0e626831
parent842315ee7e416fa2f37c649c8a9ae6d6960b42a6
drm/i915: Spam less on dp aux send/receive problems

If we encounter frequent problems with dp aux channel
communications, we end up spamming the dmesg with the
exact similar trace and status.

Inject a new backtrace only if we have new information
to share as otherwise we flush out all other important
stuff.

Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/intel_dp.c