xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

dma-buf: drop dynamic_mapping flag

Browse Source 
Instead use the pin() callback to detect dynamic DMA-buf handling.
Since amdgpu is now migrated it doesn't make much sense to keep
the extra flag.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/353997/?series=73646&rev=1
This commit is contained in:
Christian König
2020-02-18 16:57:24 +01:00
parent a448cb003e
commit bd2275eeed
3 changed files with 7 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/dma-buf/dma-buf.c
View File

@@ -524,11 +524,10 @@ struct dma_buf *dma_buf_export(const struct dma_buf_export_info *exp_info)
}
if (WARN_ON(exp_info->ops->cache_sgt_mapping &&
exp_info->ops->dynamic_mapping))
(exp_info->ops->pin || exp_info->ops->unpin)))
return ERR_PTR(-EINVAL);
if (WARN_ON(!exp_info->ops->dynamic_mapping &&
(exp_info->ops->pin || exp_info->ops->unpin)))
if (WARN_ON(!exp_info->ops->pin != !exp_info->ops->unpin))
return ERR_PTR(-EINVAL);
if (!try_module_get(exp_info->owner))