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path: root/drivers/gpu/host1x/dev.c
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Diffstat (limited to 'drivers/gpu/host1x/dev.c')
-rw-r--r--drivers/gpu/host1x/dev.c16
1 files changed, 4 insertions, 12 deletions
diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c
index f30b8447a319..5bdc484398f4 100644
--- a/drivers/gpu/host1x/dev.c
+++ b/drivers/gpu/host1x/dev.c
@@ -18,10 +18,6 @@
#include <trace/events/host1x.h>
#undef CREATE_TRACE_POINTS
-#if IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU)
-#include <asm/dma-iommu.h>
-#endif
-
#include "bus.h"
#include "channel.h"
#include "debug.h"
@@ -276,17 +272,13 @@ static int host1x_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "failed to get reset: %d\n", err);
return err;
}
-#if IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU)
- if (host->dev->archdata.mapping) {
- struct dma_iommu_mapping *mapping =
- to_dma_iommu_mapping(host->dev);
- arm_iommu_detach_device(host->dev);
- arm_iommu_release_mapping(mapping);
- }
-#endif
+
if (IS_ENABLED(CONFIG_TEGRA_HOST1X_FIREWALL))
goto skip_iommu;
+ if (iommu_get_domain_for_dev(&pdev->dev))
+ goto skip_iommu;
+
host->group = iommu_group_get(&pdev->dev);
if (host->group) {
struct iommu_domain_geometry *geometry;