msm: kgsl: Do not attach secure PT if already attached



Add a check to see if the secure PT has already been attached and
do not try to keep attaching it over and over during
kgsl_iommu_start().

Change-Id: If9b4cb2408890d1d19c2a4f39f7ce10db1c86286
Signed-off-by: Shrenuj Bansal <shrenujb@codeaurora.org>

parent 7d0b0926

drivers/gpu/msm/kgsl_iommu.c

+6 −4

Original line number	Diff line number	Diff line
		@@ -1003,11 +1003,13 @@ static int _setup_secure_context(struct kgsl_mmu *mmu)
		}
		iommu_pt = mmu->securepagetable->priv;

		if (!iommu_pt->attached) {
		ret = iommu_attach_device(iommu_pt->domain, ctx->dev);
		if (ret) {
		KGSL_CORE_ERR("Failed to attach, err %d\n", ret);
		goto done;
		}
		}
		ctx->default_pt = mmu->securepagetable;

		ret = iommu_domain_get_attr(iommu_pt->domain, DOMAIN_ATTR_CONTEXT_BANK,