diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c index 03d1c76aec2d3f7aca6a52acbb1a42455b37faa8..d79c76a287f22f267fb2df6d5dc64e5f8f567b03 100644 --- a/drivers/gpu/drm/tegra/drm.c +++ b/drivers/gpu/drm/tegra/drm.c @@ -1135,6 +1135,7 @@ static bool host1x_drm_wants_iommu(struct host1x_device *dev) static int host1x_drm_probe(struct host1x_device *dev) { + struct device *dma_dev = dev->dev.parent; struct tegra_drm *tegra; struct drm_device *drm; int err; @@ -1149,8 +1150,8 @@ static int host1x_drm_probe(struct host1x_device *dev) goto put; } - if (host1x_drm_wants_iommu(dev) && iommu_present(&platform_bus_type)) { - tegra->domain = iommu_domain_alloc(&platform_bus_type); + if (host1x_drm_wants_iommu(dev) && device_iommu_mapped(dma_dev)) { + tegra->domain = iommu_paging_domain_alloc(dma_dev); if (!tegra->domain) { err = -ENOMEM; goto free;