diff options
| author |   Thierry Reding <treding@nvidia.com> | 2014-06-26 21:41:53 +0200 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2014-11-13 16:14:48 +0100 |
| commit | df06b759f2cf4690fa9991edb1504ba39932b2bb (patch) | |
| tree | 0365d27fb82b94d4569c8b86dd775838bedc5ff1 /drivers/gpu/drm/tegra/drm.h | |
| parent | drm/tegra: Fix error handling cleanup (diff) | |
| download | linux-dev-df06b759f2cf4690fa9991edb1504ba39932b2bb.tar.xz linux-dev-df06b759f2cf4690fa9991edb1504ba39932b2bb.zip | |
drm/tegra: Add IOMMU support
When an IOMMU device is available on the platform bus, allocate an IOMMU
domain and attach the display controllers to it. The display controllers
can then scan out non-contiguous buffers by mapping them through the
IOMMU.
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.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tegra/drm.h b/drivers/gpu/drm/tegra/drm.h index ef2faaef5936..96ff47d586a2 100644 --- a/drivers/gpu/drm/tegra/drm.h +++ b/drivers/gpu/drm/tegra/drm.h @@ -39,6 +39,9 @@ struct tegra_fbdev { struct tegra_drm { struct drm_device *drm; + struct iommu_domain *domain; + struct drm_mm mm; + struct mutex clients_lock; struct list_head clients; @@ -121,6 +124,8 @@ struct tegra_dc { struct drm_pending_vblank_event *event; const struct tegra_dc_soc_info *soc; + + struct iommu_domain *domain; }; static inline struct tegra_dc * |