msm: kgsl: Set a nop command in setstate global memory
Add a nop command in the setstate memory which can be used during
in stream pagetable switching for synchronization
Change-Id: I01758fb24730a8df7807666320d3a02a1362e9a2
Signed-off-by: Shubhraprakash Das <sadas@codeaurora.org>
diff --git a/drivers/gpu/msm/kgsl_iommu.h b/drivers/gpu/msm/kgsl_iommu.h
index c2e84a6..d4de656 100644
--- a/drivers/gpu/msm/kgsl_iommu.h
+++ b/drivers/gpu/msm/kgsl_iommu.h
@@ -55,6 +55,9 @@
(pt_val & ~(KGSL_IOMMU_TTBR0_PA_MASK << \
KGSL_IOMMU_TTBR0_PA_SHIFT))
+/* offset at which a nop command is placed in setstate_memory */
+#define KGSL_IOMMU_SETSTATE_NOP_OFFSET 1024
+
/*
* struct kgsl_iommu_device - Structure holding data about iommu contexts
* @dev: Device pointer to iommu context