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| author |   Thierry Reding <treding@nvidia.com> | 2019-10-28 13:37:13 +0100 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2019-10-29 15:04:35 +0100 |
| commit | af1cbfb9bf0fe079ca328231451fd4db8b3eafec (patch) | |
| tree | 136ba6066a4ed6b84181e5850e76dc751aeda168 /drivers/gpu/host1x/job.h | |
| parent | gpu: host1x: Allocate gather copy for host1x (diff) | |
| download | linux-dev-af1cbfb9bf0fe079ca328231451fd4db8b3eafec.tar.xz linux-dev-af1cbfb9bf0fe079ca328231451fd4db8b3eafec.zip | |
gpu: host1x: Support DMA mapping of buffers
If host1x_bo_pin() returns an SG table, create a DMA mapping for the
buffer. For buffers that the host1x client has already mapped itself,
host1x_bo_pin() returns NULL and the existing DMA address is used.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/gpu/host1x/job.h')
| -rw-r--r-- | drivers/gpu/host1x/job.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/host1x/job.h b/drivers/gpu/host1x/job.h index 62b8805e6b35..94bc2e4ae241 100644 --- a/drivers/gpu/host1x/job.h +++ b/drivers/gpu/host1x/job.h @@ -8,6 +8,8 @@ #ifndef __HOST1X_JOB_H #define __HOST1X_JOB_H +#include <linux/dma-direction.h> + struct host1x_job_gather { unsigned int words; dma_addr_t base; @@ -19,7 +21,9 @@ struct host1x_job_gather { struct host1x_job_unpin_data { struct host1x_bo *bo; struct sg_table *sgt; + struct device *dev; size_t size; + enum dma_data_direction dir; }; /* |