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authorThierry Reding <treding@nvidia.com>2024-09-16 15:33:20 +0200
committerThierry Reding <treding@nvidia.com>2024-10-15 18:46:25 +0200
commiteb0c062161cf5f98556a906c48b0cfc019d9e89c (patch)
tree3cf320fd906d158914be841c118d5b311b5c74de /drivers/gpu/host1x
parentgpu: host1x: Fix boot regression for Tegra (diff)
downloadlinux-eb0c062161cf5f98556a906c48b0cfc019d9e89c.tar.xz
linux-eb0c062161cf5f98556a906c48b0cfc019d9e89c.zip
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 (cherry picked from commit b4ad4ef374d66cc8df3188bb1ddb65bce5fc9e50) Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/gpu/host1x')
-rw-r--r--drivers/gpu/host1x/context.c1
1 files changed, 1 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);