diff options
| author | Thierry Reding <treding@nvidia.com> | 2024-09-16 15:33:20 +0200 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2024-09-25 21:21:23 +0200 |
| commit | b4ad4ef374d66cc8df3188bb1ddb65bce5fc9e50 (patch) | |
| tree | 6e026682e98ea304b0daa44f13dd1408bc34ef5c | |
| parent | f70000ef23527f6d928d1175c66c5fafa968814b (diff) | |
gpu: host1x: Set up device DMA parameters
In order to store device DMA parameters, the DMA framework depends on
the device's dma_parms field to point at a valid memory location. Add
backing storage for this in struct host1x_memory_context and point to
it.
Reported-by: Jonathan Hunter <jonathanh@nvidia.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240916133320.368620-1-thierry.reding@gmail.com
| -rw-r--r-- | drivers/gpu/host1x/context.c | 1 | ||||
| -rw-r--r-- | include/linux/host1x.h | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/host1x/context.c b/drivers/gpu/host1x/context.c index 955c971c528d..a6f6779662a3 100644 --- a/drivers/gpu/host1x/context.c +++ b/drivers/gpu/host1x/context.c @@ -58,6 +58,7 @@ int host1x_memory_context_list_init(struct host1x *host1x) ctx->dev.parent = host1x->dev; ctx->dev.release = host1x_memory_context_release; + ctx->dev.dma_parms = &ctx->dma_parms; dma_set_max_seg_size(&ctx->dev, UINT_MAX); err = device_add(&ctx->dev); diff --git a/include/linux/host1x.h b/include/linux/host1x.h index 5a7a81e5f9bd..9fa9c30a34e6 100644 --- a/include/linux/host1x.h +++ b/include/linux/host1x.h @@ -471,6 +471,7 @@ struct host1x_memory_context { refcount_t ref; struct pid *owner; + struct device_dma_parameters dma_parms; struct device dev; u64 dma_mask; u32 stream_id; |