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authorThierry Reding <treding@nvidia.com>2018-05-04 15:02:24 +0200
committerThierry Reding <treding@nvidia.com>2018-05-17 14:08:40 +0200
commit0c407de5ed1a329468122cbf4f3e727e0c1e3f36 (patch)
tree3f96f17886dcfc453e117f3820fb3c24f80133f1 /drivers/gpu/drm/tegra/drm.h
parent230630bd3834af0ea6ec75354ec21819de148ee1 (diff)
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drm/tegra: Refactor IOMMU attach/detach
Attaching to and detaching from an IOMMU uses the same code sequence in every driver, so factor it out into separate helpers. Reviewed-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/gpu/drm/tegra/drm.h')
-rw-r--r--drivers/gpu/drm/tegra/drm.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tegra/drm.h b/drivers/gpu/drm/tegra/drm.h
index 4f41aaec8530..fe263cf58f34 100644
--- a/drivers/gpu/drm/tegra/drm.h
+++ b/drivers/gpu/drm/tegra/drm.h
@@ -110,6 +110,10 @@ int tegra_drm_register_client(struct tegra_drm *tegra,
struct tegra_drm_client *client);
int tegra_drm_unregister_client(struct tegra_drm *tegra,
struct tegra_drm_client *client);
+struct iommu_group *host1x_client_iommu_attach(struct host1x_client *client,
+ bool shared);
+void host1x_client_iommu_detach(struct host1x_client *client,
+ struct iommu_group *group);
int tegra_drm_init(struct tegra_drm *tegra, struct drm_device *drm);
int tegra_drm_exit(struct tegra_drm *tegra);