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Commit 4238939b authored by Alan Kwong's avatar Alan Kwong
Browse files

msm: sde: enable system cache for pagetable walks in rotator 



Enable system cache for rotator page table walks as
recommended.

Change-Id: I904cf7e0ef2965ed6c647d0064f6386edafcaf8f
Signed-off-by: default avatarAlan Kwong <akwong@codeaurora.org>
parent 8072741f

drivers/media/platform/msm/sde/rotator/sde_rotator_smmu.c

+8 −0
Original line number Diff line number Diff line
@@ -517,6 +517,7 @@ int sde_smmu_probe(struct platform_device *pdev) 
	const struct of_device_id *match;

	struct sde_module_power *mp;

	char name[MAX_CLIENT_NAME_LEN];

	int mdphtw_llc_enable = 1;

	u32 sid = 0;



	if (!mdata) {
@@ -612,6 +613,13 @@ int sde_smmu_probe(struct platform_device *pdev) 
		goto disable_power;

	}



	rc = iommu_domain_set_attr(sde_smmu->mmu_mapping->domain,

			DOMAIN_ATTR_USE_UPSTREAM_HINT, &mdphtw_llc_enable);

	if (rc) {

		SDEROT_ERR("couldn't enable rot pagetable walks: %d\n", rc);

		goto release_mapping;

	}



	if (smmu_domain.domain == SDE_IOMMU_DOMAIN_ROT_SECURE) {

		int secure_vmid = VMID_CP_PIXEL;