[PATCH] drm/tegra: Stop using iommu_present()
Robin Murphy
robin.murphy at arm.com
Tue Apr 5 14:19:53 UTC 2022
Remove the pointless check. host1x_drm_wants_iommu() cannot return true
unless an IOMMU exists for the host1x platform device, which at the moment
means the iommu_present() test could never fail.
Signed-off-by: Robin Murphy <robin.murphy at arm.com>
---
drivers/gpu/drm/tegra/drm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c
index 9464f522e257..bc4321561400 100644
--- a/drivers/gpu/drm/tegra/drm.c
+++ b/drivers/gpu/drm/tegra/drm.c
@@ -1149,7 +1149,7 @@ static int host1x_drm_probe(struct host1x_device *dev)
goto put;
}
- if (host1x_drm_wants_iommu(dev) && iommu_present(&platform_bus_type)) {
+ if (host1x_drm_wants_iommu(dev)) {
tegra->domain = iommu_domain_alloc(&platform_bus_type);
if (!tegra->domain) {
err = -ENOMEM;
--
2.28.0.dirty
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