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accel/amdxdna: Block running when IOMMU is off

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The AIE2 device firmware requires IOMMU on.

Closes: https://gitlab.freedesktop.org/drm/amd/-/work_items/5319
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Lizhi Hou <lizhi.hou@amd.com>
Link: https://patch.msgid.link/20260520223531.1403302-1-lizhi.hou@amd.com
This commit is contained in:
Lizhi Hou 2026-05-20 15:35:31 -07:00
parent f706e6a4ce
commit a8878e19d2
1 changed files with 5 additions and 0 deletions
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5
drivers/accel/amdxdna/aie2_pci.c
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@ -511,6 +511,11 @@ static int aie2_init(struct amdxdna_dev *xdna)
return -EINVAL;
}
if (!xdna->group) {
XDNA_ERR(xdna, "Running without IOMMU not supported");
return -EINVAL;
}
ndev = drmm_kzalloc(&xdna->ddev, sizeof(*ndev), GFP_KERNEL);
if (!ndev)
return -ENOMEM;