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video: tegra: dp: Serialize DPAUX accesses
authorDaniel Solomon <daniels@nvidia.com>
Wed, 29 Jan 2014 20:00:01 +0000 (12:00 -0800)
committerChao Xu <cxu@nvidia.com>
Fri, 31 Jan 2014 19:27:47 +0000 (11:27 -0800)
commitc94e9e220296cab5b5e473f2bf4bdbc13e7d3ed9
treea0c96f72591c3150faf5f84ba64d944f4c395906tree | snapshot
parent6d58c15ffd0d80275d76ced5502753335a064c5fcommit | diff
video: tegra: dp: Serialize DPAUX accesses

This change serializes DPAUX accesses to prevent
system hangs if DP waits on an interrupt to be
notified that a DPAUX transaction has completed
and a DP IRQ_EVENT occurs at the same time.

Bug 1440921

Change-Id: Id6c90ab18386eb25984eb7acafb207507e06ee01
Signed-off-by: Daniel Solomon <daniels@nvidia.com>
Reviewed-on: http://git-master/r/361297
Reviewed-by: Chao Xu <cxu@nvidia.com>
Tested-by: Chao Xu <cxu@nvidia.com>
drivers/video/tegra/dc/dp.c diff | blob | history
drivers/video/tegra/dc/dp.h diff | blob | history