[PATCH] drm/tegra: Stop using iommu_present()

[Robin Murphy <robin.murphy@xxxxxxx>]

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@xxxxxxx>
---
 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