Signed-off-by: Tom St Denis <tom.stdenis at amd.com>
(v2): Don't create iova file when iommu is disabled
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 0e5f78f3a97e..566b24bc06ce 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -1902,6 +1902,10 @@ static int amdgpu_ttm_debugfs_init(struct amdgpu_device *adev)
struct dentry *ent, *root = minor->debugfs_root;
for (count = 0; count < ARRAY_SIZE(ttm_debugfs_entries); count++) {
+ if (ttm_debugfs_entries[count].domain == TTM_PL_SYSTEM) {
+ if (!iommu_get_domain_for_dev(adev->dev))
+ continue;
+ }
ent = debugfs_create_file(
ttm_debugfs_entries[count].name,
S_IFREG | S_IRUGO, root,
--
2.12.0
