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dmaengine/idxd: Enable SVA feature by default 

commit 4b829b56c2f4ed73f9c08282f9eabb67c8ddc7b9 Intel-BKC.

User SVA is the essential feature of IDXD, enable it by default.

Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: Chen Zhuo <sagazchen@tencent.com>
Signed-off-by: Xinghui Li <korantli@tencent.com>
This commit is contained in:
Jacob Pan 2022-01-26 14:39:43 -08:00 committed by Jianping Liu
parent 037b509f6a
commit a4f441925d
1 changed files with 3 additions and 0 deletions
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3
drivers/dma/idxd/init.c
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@ -517,6 +517,9 @@ static int idxd_probe(struct idxd_device *idxd)
return rc;
dev_dbg(dev, "IDXD reset complete\n");
rc = iommu_dev_enable_feature(dev, IOMMU_DEV_FEAT_SVA);
if (rc)
dev_warn(dev, "Unable to turn on SVA feature.\n");
if (IS_ENABLED(CONFIG_INTEL_IDXD_SVM) && sva) {
rc = idxd_enable_system_pasid(idxd);