Merge "drm/msm/sde: enable system cache for pagetable walks in mdp" (28eca5aa) · Commits · e / devices / android_kernel_fairphone_FP3

drivers/gpu/drm/msm/msm_smmu.c

+9 −0

Original line number	Diff line number	Diff line
		@@ -455,6 +455,7 @@ static int _msm_smmu_create_mapping(struct msm_smmu_client *client,
		const struct msm_smmu_domain *domain)
		{
		int rc;
		int mdphtw_llc_enable = 1;

		client->mmu_mapping = arm_iommu_create_mapping(&platform_bus_type,
		domain->va_start, domain->va_size);
		@@ -465,6 +466,14 @@ static int _msm_smmu_create_mapping(struct msm_smmu_client *client,
		return PTR_ERR(client->mmu_mapping);
		}

		rc = iommu_domain_set_attr(client->mmu_mapping->domain,
		DOMAIN_ATTR_USE_UPSTREAM_HINT, &mdphtw_llc_enable);
		if (rc) {
		dev_err(client->dev, "couldn't enable mdp pagetable walks: %d\n",
		rc);
		goto error;
		}

		if (domain->secure) {
		int secure_vmid = VMID_CP_PIXEL;