msm: mdss: Fix race condition while iommu mapping from DSI flow
Avoid race condition which occurs when SMMU get detached from
secure flow and the iommu mapping happening from DSI flow.
Change-Id: Icaf68b8569c13f2a1617035b6c548270afd6a312
Signed-off-by:
Althaf Neelanchirayil <aneelanc@codeaurora.org>
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