linux-kernel - Re: [PATCH v2 v3.18-rc4 2/4] drm: prime: Document gem_prime

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Date:	Wed, 12 Nov 2014 09:42:38 -0500
From:	Rob Clark <robdclark@...il.com>
To:	Daniel Thompson <daniel.thompson@...aro.org>
Cc:	David Airlie <airlied@...ux.ie>,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
	Benjamin Gaignard <benjamin.gaignard@...aro.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"patches@...aro.org" <patches@...aro.org>,
	linaro-kernel@...ts.linaro.org,
	John Stultz <john.stultz@...aro.org>,
	Sumit Semwal <sumit.semwal@...aro.org>
Subject: Re: [PATCH v2 v3.18-rc4 2/4] drm: prime: Document gem_prime_mmap

On Wed, Nov 12, 2014 at 6:38 AM, Daniel Thompson
<daniel.thompson@...aro.org> wrote:
> gem_prime_map is not currently described in the DRM manual, lets document
> it.
>
> Signed-off-by: Daniel Thompson <daniel.thompson@...aro.org>

Reviewed-by: Rob Clark <robdclark@...il.com>

> ---
>  drivers/gpu/drm/drm_prime.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
> index 8467b17c8053..5d00c8726133 100644
> --- a/drivers/gpu/drm/drm_prime.c
> +++ b/drivers/gpu/drm/drm_prime.c
> @@ -309,7 +309,7 @@ static const struct dma_buf_ops drm_gem_prime_dmabuf_ops =  {
>   * Drivers can implement @gem_prime_export and @gem_prime_import in terms of
>   * simpler APIs by using the helper functions @drm_gem_prime_export and
>   * @drm_gem_prime_import.  These functions implement dma-buf support in terms of
> - * five lower-level driver callbacks:
> + * six lower-level driver callbacks:
>   *
>   * Export callbacks:
>   *
> @@ -321,6 +321,8 @@ static const struct dma_buf_ops drm_gem_prime_dmabuf_ops =  {
>   *
>   *  - @gem_prime_vunmap: vunmap a buffer exported by your driver
>   *
> + *  - @gem_prime_mmap (optional): mmap a buffer exported by your driver
> + *
>   * Import callback:
>   *
>   *  - @gem_prime_import_sg_table (import): produce a GEM object from another
> --
> 1.9.3
>
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