msm: kgsl: Mark the IOMMU setstate memory as read only

Mark the IOMMU setstate memory as read only in the pagetable.

Change-Id: Ic0dedbadb19e499c749cd744c3e89be3bcb4c2a2
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
msm: kgsl: Add hang interrupt and change HW fault generation

Add a sysfs property to dynamically control HW hang interrupt.
HW fault is generated for hang interrupt only.

Change-Id: Ib50c57476e54cccfef0ae18a0cbb42fce29457c1
Signed-off-by: Shubhraprakash Das <sadas@codeaurora.org>
Signed-off-by: Tarun Karra <tkarra@codeaurora.org>
PM: devfreq: Use high priority workqueue

It does not make sense to run kgsl on high and devfreq on regular
priority.

Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>
Signed-off-by: klozz <xxx.reptar.rawrr.xxx@gmail.com>