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path: root/drivers/gpu/drm/tegra/drm.c
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Diffstat (limited to 'drivers/gpu/drm/tegra/drm.c')
-rw-r--r--drivers/gpu/drm/tegra/drm.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c
index 03d1c76aec2d..c9eb329665ec 100644
--- a/drivers/gpu/drm/tegra/drm.c
+++ b/drivers/gpu/drm/tegra/drm.c
@@ -801,6 +801,7 @@ static const struct file_operations tegra_drm_fops = {
.read = drm_read,
.compat_ioctl = drm_compat_ioctl,
.llseek = noop_llseek,
+ .fop_flags = FOP_UNSIGNED_OFFSET,
};
static int tegra_drm_context_cleanup(int id, void *p, void *data)
@@ -1135,6 +1136,7 @@ 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 +1151,8 @@ 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;
@@ -1330,6 +1332,11 @@ static int host1x_drm_remove(struct host1x_device *dev)
return 0;
}
+static void host1x_drm_shutdown(struct host1x_device *dev)
+{
+ drm_atomic_helper_shutdown(dev_get_drvdata(&dev->dev));
+}
+
#ifdef CONFIG_PM_SLEEP
static int host1x_drm_suspend(struct device *dev)
{
@@ -1398,6 +1405,7 @@ static struct host1x_driver host1x_drm_driver = {
},
.probe = host1x_drm_probe,
.remove = host1x_drm_remove,
+ .shutdown = host1x_drm_shutdown,
.subdevs = host1x_drm_subdevs,
};