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| author | Mikko Perttunen | 2016-12-14 12:16:14 +0100 |
|---|---|---|
| committer | Thierry Reding | 2017-04-05 18:11:43 +0200 |
| commit | 404bfb78daf3bedafb0bfab24947059575cbea3d (patch) | |
| tree | 59b8ed6b140ce74ffeb94e1488ee7818f3b02c18 /drivers/gpu/host1x/dev.h | |
| parent | gpu: host1x: Fix potential out-of-bounds access (diff) | |
| download | kernel-qcow2-linux-404bfb78daf3bedafb0bfab24947059575cbea3d.tar.gz kernel-qcow2-linux-404bfb78daf3bedafb0bfab24947059575cbea3d.tar.xz kernel-qcow2-linux-404bfb78daf3bedafb0bfab24947059575cbea3d.zip | |
gpu: host1x: Add IOMMU support
Add support for the Host1x unit to be located behind
an IOMMU. This is required when gather buffers may be
allocated non-contiguously in physical memory, as can
be the case when TegraDRM is also using the IOMMU.
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/gpu/host1x/dev.h')
| -rw-r--r-- | drivers/gpu/host1x/dev.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/host1x/dev.h b/drivers/gpu/host1x/dev.h index 06dd4f85125f..e5113acecd7a 100644 --- a/drivers/gpu/host1x/dev.h +++ b/drivers/gpu/host1x/dev.h @@ -19,6 +19,8 @@ #include <linux/platform_device.h> #include <linux/device.h> +#include <linux/iommu.h> +#include <linux/iova.h> #include "channel.h" #include "syncpt.h" @@ -108,6 +110,10 @@ struct host1x { struct device *dev; struct clk *clk; + struct iommu_domain *domain; + struct iova_domain iova; + dma_addr_t iova_end; + struct mutex intr_mutex; int intr_syncpt_irq; |