commit d3f937c16b61dd41bb1b3ef0f26742d0613d488e
author Shubhraprakash Das <sadas@codeaurora.org> Mon May 07 12:44:40 2012 -0600
committer Shubhraprakash Das <sadas@codeaurora.org> Tue May 15 15:25:43 2012 -0600
tree 43a9311745fe8562b93cbaf82d25fb3ce721bcd2
parent 48d97301eadaf683f29f1dbd61f9a3f998cd25a4

msm: kgsl: Add ASID to iommu pagetable for IOMMU

Create a new pagetable structure for IOMMU with ASID variable that
can be used to assign different application specific ID to pagetables.
ASID value is set to the CONTEXTIDR register of IOMMU and tlb entries
are tagged with this value. Since different pagetables have different
ASID's we can flush the tlb selectively based on ASID which improves
tlb management and keeps valid entries in tlb longer.

Change-Id: I6a71c1a8ff125753a4c84e0732eb3dc954d0e631
Signed-off-by: Shubhraprakash Das <sadas@codeaurora.org>