msm: kgsl: Implement function pointer to get the lsb of IOMMU pagetable
We need to get the lsb of the IOMMU pagetable when changing pagetables
in stream. Hence, implement a function pointer to get the lsb of IOMMU
pagetable that can be called from files other than kgsl_iommu.c
Change-Id: I33cfd5a029b1c302a2c947896f495f8706174573
Signed-off-by: Shubhraprakash Das <sadas@codeaurora.org>
diff --git a/drivers/gpu/msm/kgsl_mmu.h b/drivers/gpu/msm/kgsl_mmu.h
index f26cdbe..9f812ec 100644
--- a/drivers/gpu/msm/kgsl_mmu.h
+++ b/drivers/gpu/msm/kgsl_mmu.h
@@ -135,6 +135,9 @@
int (*mmu_enable_clk)
(struct kgsl_mmu *mmu, int ctx_id);
int (*mmu_get_hwpagetable_asid)(struct kgsl_mmu *mmu);
+ int (*mmu_get_pt_lsb)(struct kgsl_mmu *mmu,
+ unsigned int unit_id,
+ enum kgsl_iommu_context_id ctx_id);
};
struct kgsl_mmu_pt_ops {