[Intel-gfx] [PATCH] dma-buf: minor doc touch-ups

Daniel Vetter daniel at ffwll.ch
Wed Jun 24 19:32:45 UTC 2020


On Fri, Jun 12, 2020 at 09:05:35AM +0200, Daniel Vetter wrote:
> Just some tiny edits:
> - fix link to struct dma_fence
> - give slightly more meaningful title - the polling here is about
>   implicit fences, explicit fences (in sync_file or drm_syncobj) also
>   have their own polling
> 
> v2: I misplaced the .rst include change corresponding to this patch.
> 
> Reviewed-by: Thomas Hellstrom <thomas.hellstrom at intel.com>
> Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>

I went ahead and merged this one, shouldn't be the controversial part of
the series :-)
-Daniel

> ---
>  Documentation/driver-api/dma-buf.rst | 6 +++---
>  drivers/dma-buf/dma-buf.c            | 6 +++---
>  2 files changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/Documentation/driver-api/dma-buf.rst b/Documentation/driver-api/dma-buf.rst
> index 63dec76d1d8d..7fb7b661febd 100644
> --- a/Documentation/driver-api/dma-buf.rst
> +++ b/Documentation/driver-api/dma-buf.rst
> @@ -100,11 +100,11 @@ CPU Access to DMA Buffer Objects
>  .. kernel-doc:: drivers/dma-buf/dma-buf.c
>     :doc: cpu access
>  
> -Fence Poll Support
> -~~~~~~~~~~~~~~~~~~
> +Implicit Fence Poll Support
> +~~~~~~~~~~~~~~~~~~~~~~~~~~~
>  
>  .. kernel-doc:: drivers/dma-buf/dma-buf.c
> -   :doc: fence polling
> +   :doc: implicit fence polling
>  
>  Kernel Functions and Structures Reference
>  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
> index 01ce125f8e8d..e018ef80451e 100644
> --- a/drivers/dma-buf/dma-buf.c
> +++ b/drivers/dma-buf/dma-buf.c
> @@ -161,11 +161,11 @@ static loff_t dma_buf_llseek(struct file *file, loff_t offset, int whence)
>  }
>  
>  /**
> - * DOC: fence polling
> + * DOC: implicit fence polling
>   *
>   * To support cross-device and cross-driver synchronization of buffer access
> - * implicit fences (represented internally in the kernel with &struct fence) can
> - * be attached to a &dma_buf. The glue for that and a few related things are
> + * implicit fences (represented internally in the kernel with &struct dma_fence)
> + * can be attached to a &dma_buf. The glue for that and a few related things are
>   * provided in the &dma_resv structure.
>   *
>   * Userspace can query the state of these implicitly tracked fences using poll()
> -- 
> 2.26.2
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch


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