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>

parent 5698cb80

drivers/gpu/msm/kgsl_mmu.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -377,6 +377,10 @@ int kgsl_mmu_init(struct kgsl_device *device)
		PAGE_SIZE);
		if (status)
		return status;

		/* Mark the setstate memory as read only */
		mmu->setstate_memory.flags \|= KGSL_MEMFLAGS_GPUREADONLY;

		kgsl_sharedmem_set(device, &mmu->setstate_memory, 0, 0,
		mmu->setstate_memory.size);