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Commit 9bc827fe authored by Shrenuj Bansal's avatar Shrenuj Bansal
Browse files

msm: kgsl: Populate the compat virtual pt regions for the secure pt 



When mapping an external dma buffer, if the FORCE_32BIT flag is
set we use the compat_va_start and end to look for our gpuaddr.
Hence, we need to populate those fields when initializing the
secure pagetable.

Change-Id: Icbbf90c05fa2b949fb1191c6a89edad28392fc2a
Signed-off-by: default avatarShrenuj Bansal <shrenujb@codeaurora.org>
parent d96b4bb7

drivers/gpu/msm/kgsl_iommu.c

+4 −0
Original line number Original line Diff line number Diff line
@@ -485,6 +485,8 @@ static void setup_64bit_pagetable(struct kgsl_mmu *mmu, 
		struct kgsl_iommu_pt *pt)

		struct kgsl_iommu_pt *pt)

{

{

	if (mmu->secured && pagetable->name == KGSL_MMU_SECURE_PT) {

	if (mmu->secured && pagetable->name == KGSL_MMU_SECURE_PT) {

		pt->compat_va_start = KGSL_IOMMU_SECURE_BASE;

		pt->compat_va_end = KGSL_IOMMU_SECURE_END;

		pt->va_start = KGSL_IOMMU_SECURE_BASE;

		pt->va_start = KGSL_IOMMU_SECURE_BASE;

		pt->va_end = KGSL_IOMMU_SECURE_END;

		pt->va_end = KGSL_IOMMU_SECURE_END;

	} else {

	} else {
@@ -512,6 +514,8 @@ static void setup_32bit_pagetable(struct kgsl_mmu *mmu, 
{

{

	if (mmu->secured) {

	if (mmu->secured) {

		if (pagetable->name == KGSL_MMU_SECURE_PT) {

		if (pagetable->name == KGSL_MMU_SECURE_PT) {

			pt->compat_va_start = KGSL_IOMMU_SECURE_BASE;

			pt->compat_va_end = KGSL_IOMMU_SECURE_END;

			pt->va_start = KGSL_IOMMU_SECURE_BASE;

			pt->va_start = KGSL_IOMMU_SECURE_BASE;

			pt->va_end = KGSL_IOMMU_SECURE_END;

			pt->va_end = KGSL_IOMMU_SECURE_END;

		} else {

		} else {