evie/android_kernel_oneplus_msm8998
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msm_11ad: set geometry attr when SMMU stage1 is enabled

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When SMMU stage1 is enabled, set IOVA base and end in geometry
attr to allow PCIe driver to map the GIC MSI address.

Change-Id: I7826a941823a6204143ea077a45c71b22316699b
Signed-off-by: Maya Erez <merez@codeaurora.org>
This commit is contained in:
Maya Erez 2017-04-20 08:43:10 +03:00
parent 4a4051e573
commit 6f55f74182
1 changed files with 14 additions and 0 deletions
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14
drivers/platform/msm/msm_11ad/msm_11ad.c
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@ -643,6 +643,9 @@ static int msm_11ad_smmu_init(struct msm11ad_ctx *ctx)
int rc;
int force_pt_coherent = 1;
int smmu_bypass = !ctx->smmu_s1_en;
dma_addr_t iova_base = 0;
dma_addr_t iova_end = ctx->smmu_base + ctx->smmu_size - 1;
struct iommu_domain_geometry geometry;
if (!ctx->use_smmu)
return 0;
@ -700,6 +703,17 @@ static int msm_11ad_smmu_init(struct msm11ad_ctx *ctx)
rc);
goto release_mapping;
}
memset(&geometry, 0, sizeof(geometry));
geometry.aperture_start = iova_base;
geometry.aperture_end = iova_end;
rc = iommu_domain_set_attr(ctx->mapping->domain,
DOMAIN_ATTR_GEOMETRY,
&geometry);
if (rc) {
dev_err(ctx->dev, "Set geometry attribute to SMMU failed (%d)\n",
rc);
goto release_mapping;
}
}
}